Use symbol name when comparing against an externed reloc (#214)

* Use symbol name when comparing against an externed reloc

For partial matching files, often a symbol is externed even though it
should exist in the target object. We can still compare the symbol name,
instead of always returning a mismatch.

* Combine cases, and apply change reloc_eq in code.rs

.cargo/config.toml

@@ -1,5 +1,4 @@
-[target.x86_64-pc-windows-msvc]
-linker = "rust-lld"
-
-[target.aarch64-pc-windows-msvc]
-linker = "rust-lld"
+# statically link the C runtime so the executable does not depend on
+# that shared/dynamic library.
+[target.'cfg(all(target_env = "msvc", target_os = "windows"))']
+rustflags = ["-C", "target-feature=+crt-static"]

.editorconfig

@@ -0,0 +1,2 @@
+[*.md]
+trim_trailing_whitespace = false

.github/workflows/build.yaml

@@ -4,10 +4,14 @@ on:
   pull_request:
   push:
     paths-ignore:
-      - '*.md'
-      - 'LICENSE*'
+      - "*.md"
+      - "LICENSE*"
   workflow_dispatch:
 
+permissions:
+  # For npm publish provenance
+  id-token: write
+
 env:
   BUILD_PROFILE: release-lto
   CARGO_INCREMENTAL: 0
@@ -32,9 +36,9 @@ jobs:
       - name: Cache Rust workspace
         uses: Swatinem/rust-cache@v2
       - name: Cargo check
-        run: cargo check --features all
+        run: cargo check --all-targets --all-features
       - name: Cargo clippy
-        run: cargo clippy --features all
+        run: cargo clippy --all-targets --all-features
 
   fmt:
     name: Format
@@ -159,7 +163,7 @@ jobs:
           key: ${{ matrix.target }}
       - name: Cargo build
         run: >
-          cargo ${{ matrix.build }} --profile ${{ env.BUILD_PROFILE }} --target ${{ matrix.target }} 
+          cargo ${{ matrix.build }} --profile ${{ env.BUILD_PROFILE }} --target ${{ matrix.target }}
           --bin ${{ env.CARGO_BIN_NAME }} --features ${{ matrix.features }}
       - name: Upload artifacts
         uses: actions/upload-artifact@v4
@@ -226,7 +230,7 @@ jobs:
           key: ${{ matrix.target }}
       - name: Cargo build
         run: >
-          cargo ${{ matrix.build }} --profile ${{ env.BUILD_PROFILE }} --target ${{ matrix.target }} 
+          cargo ${{ matrix.build }} --profile ${{ env.BUILD_PROFILE }} --target ${{ matrix.target }}
           --bin ${{ env.CARGO_BIN_NAME }} --features ${{ matrix.features }}
       - name: Upload artifacts
         uses: actions/upload-artifact@v4
@@ -249,22 +253,30 @@ jobs:
           components: rust-src
       - name: Cache Rust workspace
         uses: Swatinem/rust-cache@v2
+      - name: Setup Node
+        uses: actions/setup-node@v4
+        with:
+          node-version: lts/*
       - name: Install dependencies
-        run: npm -C objdiff-wasm install
+        run: npm -C objdiff-wasm ci
       - name: Build
         run: npm -C objdiff-wasm run build
+      - name: Upload artifacts
+        uses: actions/upload-artifact@v4
+        with:
+          name: wasm
+          path: objdiff-wasm/dist/
+          if-no-files-found: error
 
-  release:
-    name: Release
+  check-version:
+    name: Check package versions
     if: startsWith(github.ref, 'refs/tags/')
     runs-on: ubuntu-latest
-    needs: [ build-cli, build-gui ]
-    permissions:
-      contents: write
+    needs: [ build-cli, build-gui, build-wasm ]
     steps:
       - name: Checkout
         uses: actions/checkout@v4
-      - name: Check git tag against Cargo version
+      - name: Check git tag against package versions
         shell: bash
         run: |
           set -eou pipefail
@@ -276,9 +288,24 @@ jobs:
             echo "::error::Git tag doesn't match the Cargo version! ($tag != $version)"
             exit 1
           fi
+          version="v$(jq -r .version objdiff-wasm/package.json)"
+          if [ "$tag" != "$version" ]; then
+            echo "::error::Git tag doesn't match the npm version! ($tag != $version)"
+            exit 1
+          fi
+
+  release-github:
+    name: Release (GitHub)
+    if: startsWith(github.ref, 'refs/tags/')
+    runs-on: ubuntu-latest
+    needs: [ check-version ]
+    permissions:
+      contents: write
+    steps:
       - name: Download artifacts
         uses: actions/download-artifact@v4
         with:
+          pattern: objdiff-*
           path: artifacts
       - name: Rename artifacts
         working-directory: artifacts
@@ -308,3 +335,53 @@ jobs:
           files: out/*
           draft: true
           generate_release_notes: true
+
+  release-cargo:
+    name: Release (Cargo)
+    if: 'false' # TODO re-enable when all dependencies are published
+    runs-on: ubuntu-latest
+    needs: [ check-version ]
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+      - name: Setup Rust toolchain
+        uses: dtolnay/rust-toolchain@stable
+      - name: Publish
+        env:
+          CARGO_REGISTRY_TOKEN: ${{ secrets.CARGO_REGISTRY_TOKEN }}
+        run: cargo publish -p objdiff-core
+
+  release-npm:
+    name: Release (npm)
+    if: startsWith(github.ref, 'refs/tags/')
+    runs-on: ubuntu-latest
+    needs: [ check-version ]
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+      - name: Setup Node
+        uses: actions/setup-node@v4
+        with:
+          node-version: lts/*
+          registry-url: 'https://registry.npmjs.org'
+      - name: Download artifacts
+        uses: actions/download-artifact@v4
+        with:
+          name: wasm
+          path: objdiff-wasm/dist
+      - name: Publish
+        working-directory: objdiff-wasm
+        env:
+          NODE_AUTH_TOKEN: ${{ secrets.NPM_TOKEN }}
+        run: |
+          set -euo pipefail
+          version=$(jq -r '.version' package.json)
+          tag="latest"
+          # Check for prerelease by looking for a dash
+          case "$version" in
+            *-*)
+              tag=$(echo "$version" | sed -e 's/^[^-]*-//' -e 's/\..*$//')
+              ;;
+          esac
+          echo "Publishing version $version with tag '$tag'..."
+          npm publish --provenance --access public --tag "$tag"

.pre-commit-config.yaml

@@ -0,0 +1,36 @@
+# See https://pre-commit.com for more information
+# See https://pre-commit.com/hooks.html for more hooks
+repos:
+  - repo: https://github.com/pre-commit/pre-commit-hooks
+    rev: v5.0.0
+    hooks:
+      - id: trailing-whitespace
+        args: [--markdown-linebreak-ext=md]
+      - id: end-of-file-fixer
+      - id: fix-byte-order-marker
+      - id: check-yaml
+      - id: check-added-large-files
+  - repo: local
+    hooks:
+      - id: cargo-fmt
+        name: cargo fmt
+        description: Run cargo fmt on all project files.
+        language: system
+        entry: cargo
+        args: ["+nightly", "fmt", "--all"]
+        pass_filenames: false
+      - id: cargo clippy
+        name: cargo clippy
+        description: Run cargo clippy on all project files.
+        language: system
+        entry: cargo
+        args: ["+nightly", "clippy", "--all-targets", "--all-features"]
+        pass_filenames: false
+      - id: cargo-deny
+        name: cargo deny
+        description: Run cargo deny on all project files.
+        language: system
+        entry: cargo
+        args: ["deny", "check"]
+        pass_filenames: false
+        always_run: true

Cargo.toml

@@ -14,7 +14,7 @@ strip = "debuginfo"
 codegen-units = 1
 
 [workspace.package]
-version = "3.0.0-beta.3"
+version = "3.0.0-beta.9"
 authors = ["Luke Street <luke@street.dev>"]
 edition = "2024"
 license = "MIT OR Apache-2.0"

README.md

@@ -16,11 +16,12 @@ Features:
 
 Supports:
 
-- PowerPC 750CL (GameCube, Wii)
-- MIPS (N64, PS1, PS2, PSP)
-- x86 (COFF only at the moment)
 - ARM (GBA, DS, 3DS)
-- ARM64 (Switch, experimental)
+- ARM64 (Switch)
+- MIPS (N64, PS1, PS2, PSP)
+- PowerPC (GameCube, Wii)
+- SuperH (Saturn, Dreamcast)
+- x86 (COFF only)
 
 See [Usage](#usage) for more information.
 
@@ -143,15 +144,15 @@ If not specified, objdiff will use the default patterns listed above.
 `units` _(optional)_: If specified, objdiff will display a list of objects in the sidebar for easy navigation.
 
 > `name` _(optional)_: The name of the object in the UI. If not specified, the object's `path` will be used.
-> 
+>
 > `target_path`: Path to the "target" or "expected" object from the project root.  
 > This object is the **intended result** of the match.
-> 
+>
 > `base_path`: Path to the "base" or "actual" object from the project root.  
 > This object is built from the **current source code**.
-> 
+>
 > `metadata.auto_generated` _(optional)_: Hides the object from the object list, but still includes it in reports.
-> 
+>
 > `metadata.complete` _(optional)_: Marks the object as "complete" (or "linked") in the object list.  
 > This is useful for marking objects that are fully decompiled. A value of `false` will mark the object as "incomplete".
 
@@ -173,6 +174,21 @@ $ cargo install --locked --git https://github.com/encounter/objdiff.git objdiff-
 
 The binaries will be installed to `~/.cargo/bin` as `objdiff` and `objdiff-cli`.
 
+## Installing `pre-commit`
+
+When contributing, it's recommended to install `pre-commit` to automatically run the linter and formatter before a commit.
+
+[`uv`](https://github.com/astral-sh/uv#installation) is recommended to manage Python version and tools.
+
+Rust nightly is required for `cargo +nightly fmt` and `cargo +nightly clippy`.
+
+```shell
+$ cargo install --locked cargo-deny
+$ rustup toolchain install nightly
+$ uv tool install pre-commit
+$ pre-commit install
+```
+
 ## License
 
 Licensed under either of

config.schema.json

@@ -175,6 +175,10 @@
           "type": "boolean",
           "description": "If true, objdiff will run the build command with the context file as an argument to generate it.",
           "default": false
+        },
+        "preset_id": {
+          "type": "number",
+          "description": "The decomp.me preset ID to use for the scratch.\nCompiler and flags in the config will take precedence over the preset, but the preset is useful for organizational purposes."
         }
       },
       "required": [

deny.toml

@@ -103,6 +103,7 @@ allow = [
     "0BSD",
     "OFL-1.1",
     "Ubuntu-font-1.0",
+    "CDLA-Permissive-2.0",
 ]
 # The confidence threshold for detecting a license from license text.
 # The higher the value, the more closely the license text must be to the
@@ -240,8 +241,6 @@ allow-git = []
 [sources.allow-org]
 # github.com organizations to allow git sources for
 github = [
-    "CelestialAmber", # cwextab, rlwinmdec
-    "Decompollaborate", # rabbitizer
     "enarx", # flagset
     "encounter",
 ]

objdiff-cli/Cargo.toml

@@ -28,7 +28,7 @@ supports-color = "3.0"
 time = { version = "0.3", features = ["formatting", "local-offset"] }
 tracing = "0.1"
 tracing-subscriber = { version = "0.3", features = ["env-filter"] }
-typed-path = "0.10"
+typed-path = "0.11"
 
 [target.'cfg(target_env = "musl")'.dependencies]
 mimalloc = "0.1"

objdiff-cli/src/cmd/diff.rs

@@ -1,7 +1,6 @@
 use std::{
     io::stdout,
     mem,
-    str::FromStr,
     sync::{
         Arc,
         atomic::{AtomicBool, Ordering},
@@ -29,10 +28,7 @@ use objdiff_core::{
         ProjectConfig, ProjectObject, ProjectObjectMetadata, build_globset,
         path::{check_path_buf, platform_path, platform_path_serde_option},
     },
-    diff::{
-        self, ConfigEnum, ConfigPropertyId, ConfigPropertyKind, DiffObjConfig, MappingConfig,
-        ObjectDiff,
-    },
+    diff::{self, DiffObjConfig, MappingConfig, ObjectDiff},
     jobs::{
         Job, JobQueue, JobResult,
         objdiff::{ObjDiffConfig, start_build},
@@ -43,6 +39,7 @@ use ratatui::prelude::*;
 use typed_path::{Utf8PlatformPath, Utf8PlatformPathBuf};
 
 use crate::{
+    cmd::apply_config_args,
     util::{
         output::{OutputFormat, write_output},
         term::crossterm_panic_handler,
@@ -183,28 +180,7 @@ pub fn run(args: Args) -> Result<()> {
 
 fn build_config_from_args(args: &Args) -> Result<(DiffObjConfig, MappingConfig)> {
     let mut diff_config = DiffObjConfig::default();
-    for config in &args.config {
-        let (key, value) = config.split_once('=').context("--config expects \"key=value\"")?;
-        let property_id = ConfigPropertyId::from_str(key)
-            .map_err(|()| anyhow!("Invalid configuration property: {}", key))?;
-        diff_config.set_property_value_str(property_id, value).map_err(|()| {
-            let mut options = String::new();
-            match property_id.kind() {
-                ConfigPropertyKind::Boolean => {
-                    options = "true, false".to_string();
-                }
-                ConfigPropertyKind::Choice(variants) => {
-                    for (i, variant) in variants.iter().enumerate() {
-                        if i > 0 {
-                            options.push_str(", ");
-                        }
-                        options.push_str(variant.value);
-                    }
-                }
-            }
-            anyhow!("Invalid value for {}. Expected one of: {}", property_id.name(), options)
-        })?;
-    }
+    apply_config_args(&mut diff_config, &args.config)?;
     let mut mapping_config = MappingConfig {
         mappings: Default::default(),
         selecting_left: args.selecting_left.clone(),

objdiff-cli/src/cmd/mod.rs

@@ -1,2 +1,33 @@
 pub mod diff;
 pub mod report;
+
+use std::str::FromStr;
+
+use anyhow::{Context, Result, anyhow};
+use objdiff_core::diff::{ConfigEnum, ConfigPropertyId, ConfigPropertyKind, DiffObjConfig};
+
+pub fn apply_config_args(diff_config: &mut DiffObjConfig, args: &[String]) -> Result<()> {
+    for config in args {
+        let (key, value) = config.split_once('=').context("--config expects \"key=value\"")?;
+        let property_id = ConfigPropertyId::from_str(key)
+            .map_err(|()| anyhow!("Invalid configuration property: {}", key))?;
+        diff_config.set_property_value_str(property_id, value).map_err(|()| {
+            let mut options = String::new();
+            match property_id.kind() {
+                ConfigPropertyKind::Boolean => {
+                    options = "true, false".to_string();
+                }
+                ConfigPropertyKind::Choice(variants) => {
+                    for (i, variant) in variants.iter().enumerate() {
+                        if i > 0 {
+                            options.push_str(", ");
+                        }
+                        options.push_str(variant.value);
+                    }
+                }
+            }
+            anyhow!("Invalid value for {}. Expected one of: {}", property_id.name(), options)
+        })?;
+    }
+    Ok(())
+}

objdiff-cli/src/cmd/report.rs

@@ -17,7 +17,7 @@ use tracing::{info, warn};
 use typed_path::{Utf8PlatformPath, Utf8PlatformPathBuf};
 
 use crate::{
-    cmd::diff::ObjectConfig,
+    cmd::{apply_config_args, diff::ObjectConfig},
     util::output::{OutputFormat, write_output},
 };
 
@@ -52,6 +52,9 @@ pub struct GenerateArgs {
     #[argp(option, short = 'f')]
     /// Output format (json, json-pretty, proto) (default: json)
     format: Option<String>,
+    #[argp(option, short = 'c')]
+    /// Configuration property (key=value)
+    config: Vec<String>,
 }
 
 #[derive(FromArgs, PartialEq, Debug)]
@@ -80,6 +83,15 @@ pub fn run(args: Args) -> Result<()> {
 }
 
 fn generate(args: GenerateArgs) -> Result<()> {
+    let mut diff_config = diff::DiffObjConfig {
+        function_reloc_diffs: diff::FunctionRelocDiffs::None,
+        combine_data_sections: true,
+        combine_text_sections: true,
+        ppc_calculate_pool_relocations: false,
+        ..Default::default()
+    };
+    apply_config_args(&mut diff_config, &args.config)?;
+
     let output_format = OutputFormat::from_option(args.format.as_deref())?;
     let project_dir = args.project.as_deref().unwrap_or_else(|| Utf8PlatformPath::new("."));
     info!("Loading project {}", project_dir);
@@ -114,14 +126,15 @@ fn generate(args: GenerateArgs) -> Result<()> {
     if args.deduplicate {
         // If deduplicating, we need to run single-threaded
         for object in &objects {
-            if let Some(unit) = report_object(object, Some(&mut existing_functions))? {
+            if let Some(unit) = report_object(object, &diff_config, Some(&mut existing_functions))?
+            {
                 units.push(unit);
             }
         }
     } else {
         let vec = objects
             .par_iter()
-            .map(|object| report_object(object, None))
+            .map(|object| report_object(object, &diff_config, None))
             .collect::<Result<Vec<Option<ReportUnit>>>>()?;
         units = vec.into_iter().flatten().collect();
     }
@@ -145,6 +158,7 @@ fn generate(args: GenerateArgs) -> Result<()> {
 
 fn report_object(
     object: &ObjectConfig,
+    diff_config: &diff::DiffObjConfig,
     mut existing_functions: Option<&mut HashSet<String>>,
 ) -> Result<Option<ReportUnit>> {
     match (&object.target_path, &object.base_path) {
@@ -158,16 +172,12 @@ fn report_object(
         }
         _ => {}
     }
-    let diff_config = diff::DiffObjConfig {
-        function_reloc_diffs: diff::FunctionRelocDiffs::None,
-        ..Default::default()
-    };
     let mapping_config = diff::MappingConfig::default();
     let target = object
         .target_path
         .as_ref()
         .map(|p| {
-            obj::read::read(p.as_ref(), &diff_config)
+            obj::read::read(p.as_ref(), diff_config)
                 .with_context(|| format!("Failed to open {}", p))
         })
         .transpose()?;
@@ -175,12 +185,12 @@ fn report_object(
         .base_path
         .as_ref()
         .map(|p| {
-            obj::read::read(p.as_ref(), &diff_config)
+            obj::read::read(p.as_ref(), diff_config)
                 .with_context(|| format!("Failed to open {}", p))
         })
         .transpose()?;
     let result =
-        diff::diff_objs(target.as_ref(), base.as_ref(), None, &diff_config, &mapping_config)?;
+        diff::diff_objs(target.as_ref(), base.as_ref(), None, diff_config, &mapping_config)?;
 
     let metadata = ReportUnitMetadata {
         complete: object.metadata.complete,
@@ -202,6 +212,9 @@ fn report_object(
     for ((section_idx, section), section_diff) in
         obj.sections.iter().enumerate().zip(&obj_diff.sections)
     {
+        if section.kind == SectionKind::Unknown {
+            continue;
+        }
         let section_match_percent = section_diff.match_percent.unwrap_or_else(|| {
             // Support cases where we don't have a target object,
             // assume complete means 100% match
@@ -215,6 +228,7 @@ fn report_object(
                 demangled_name: None,
                 virtual_address: section.virtual_address,
             }),
+            address: None,
         });
 
         match section.kind {
@@ -262,6 +276,7 @@ fn report_object(
                     demangled_name: symbol.demangled_name.clone(),
                     virtual_address: symbol.virtual_address,
                 }),
+                address: symbol.address.checked_sub(section.address),
             });
             if match_percent == 100.0 {
                 measures.matched_functions += 1;
@@ -269,6 +284,16 @@ fn report_object(
             measures.total_functions += 1;
         }
     }
+    sections.sort_by(|a, b| a.name.cmp(&b.name));
+    let reverse_fn_order = object.metadata.reverse_fn_order.unwrap_or(false);
+    functions.sort_by(|a, b| {
+        if reverse_fn_order {
+            b.address.unwrap_or(0).cmp(&a.address.unwrap_or(0))
+        } else {
+            a.address.unwrap_or(u64::MAX).cmp(&b.address.unwrap_or(u64::MAX))
+        }
+        .then_with(|| a.size.cmp(&b.size))
+    });
     if metadata.complete.unwrap_or(false) {
         measures.complete_code = measures.total_code;
         measures.complete_data = measures.total_data;

objdiff-cli/src/views/function_diff.rs

@@ -450,11 +450,11 @@ impl UiView for FunctionDiffUi {
 
     fn reload(&mut self, state: &AppState) -> Result<()> {
         let left_sym =
-            state.left_obj.as_ref().and_then(|(o, _)| find_function(o, &self.symbol_name));
+            state.left_obj.as_ref().and_then(|(o, _)| o.symbol_by_name(&self.symbol_name));
         let right_sym =
-            state.right_obj.as_ref().and_then(|(o, _)| find_function(o, &self.symbol_name));
+            state.right_obj.as_ref().and_then(|(o, _)| o.symbol_by_name(&self.symbol_name));
         let prev_sym =
-            state.prev_obj.as_ref().and_then(|(o, _)| find_function(o, &self.symbol_name));
+            state.prev_obj.as_ref().and_then(|(o, _)| o.symbol_by_name(&self.symbol_name));
         self.num_rows = match (
             get_symbol(state.left_obj.as_ref(), left_sym),
             get_symbol(state.right_obj.as_ref(), right_sym),
@@ -650,12 +650,3 @@ fn get_symbol(
     let sym = sym?;
     Some((obj, sym, &diff.symbols[sym]))
 }
-
-fn find_function(obj: &Object, name: &str) -> Option<usize> {
-    for (symbol_idx, symbol) in obj.symbols.iter().enumerate() {
-        if symbol.name == name {
-            return Some(symbol_idx);
-        }
-    }
-    None
-}

objdiff-core/Cargo.toml

@@ -27,6 +27,7 @@ all = [
     "mips",
     "ppc",
     "x86",
+    "superh"
 ]
 # Implicit, used to check if any arch is enabled
 any-arch = [
@@ -40,6 +41,7 @@ any-arch = [
     "dep:regex",
     "dep:similar",
     "dep:syn",
+    "dep:encoding_rs"
 ]
 bindings = [
     "dep:prost",
@@ -75,12 +77,15 @@ std = [
     "object/std",
     "prost?/std",
     "serde?/std",
+    "similar?/std",
     "typed-path?/std",
     "dep:filetime",
     "dep:memmap2",
 ]
 mips = [
     "any-arch",
+    "dep:cpp_demangle",
+    "dep:cwdemangle",
     "dep:rabbitizer",
 ]
 ppc = [
@@ -108,6 +113,9 @@ arm64 = [
     "dep:yaxpeax-arch",
     "dep:yaxpeax-arm",
 ]
+superh = [
+    "any-arch",
+]
 
 [package.metadata.docs.rs]
 features = ["all"]
@@ -120,13 +128,13 @@ itertools = { version = "0.14", default-features = false, features = ["use_alloc
 log = { version = "0.4", default-features = false, optional = true }
 memmap2 = { version = "0.9", optional = true }
 num-traits = { version = "0.2", default-features = false, optional = true }
-object = { version = "0.36", default-features = false, features = ["read_core", "elf", "pe"] }
+object = { git = "https://github.com/gimli-rs/object", rev = "a74579249e21ab8fcd3a86be588de336f18297cb", default-features = false, features = ["read_core", "elf", "pe"] }
 pbjson = { version = "0.7", default-features = false, optional = true }
 prost = { version = "0.13", default-features = false, features = ["prost-derive"], optional = true }
 regex = { version = "1.11", default-features = false, features = [], optional = true }
 serde = { version = "1.0", default-features = false, features = ["derive"], optional = true }
-similar = { version = "2.7", default-features = false, optional = true, git = "https://github.com/encounter/similar.git", branch = "no_std" }
-typed-path = { version = "0.10", default-features = false, optional = true }
+similar = { version = "2.7", default-features = false, features = ["hashbrown"], optional = true, git = "https://github.com/encounter/similar.git", branch = "no_std" }
+typed-path = { version = "0.11", default-features = false, optional = true }
 
 # config
 globset = { version = "0.4", default-features = false, optional = true }
@@ -138,12 +146,12 @@ gimli = { version = "0.31", default-features = false, features = ["read"], optio
 
 # ppc
 cwdemangle = { version = "1.0", optional = true }
-cwextab = { version = "1.0", optional = true, git = "https://github.com/CelestialAmber/cwextab.git" }
+cwextab = { version = "1.0", optional = true }
 ppc750cl = { version = "0.3", optional = true }
-rlwinmdec = { version = "1.1", optional = true, git = "https://github.com/CelestialAmber/rlwinmdec.git" }
+rlwinmdec = { version = "1.1", optional = true }
 
 # mips
-rabbitizer = { git = "https://github.com/Decompollaborate/rabbitizer.git", branch = "🦀", default-features = false, features = ["all_extensions"], optional = true }
+rabbitizer = { version = "2.0.0-alpha.1", default-features = false, features = ["all_extensions"], optional = true }
 
 # x86
 cpp_demangle = { version = "0.4", default-features = false, features = ["alloc"], optional = true }
@@ -151,7 +159,7 @@ iced-x86 = { version = "1.21", default-features = false, features = ["decoder",
 msvc-demangler = { version = "0.11", optional = true }
 
 # arm
-unarm = { version = "1.7", optional = true }
+unarm = { version = "1.8", optional = true }
 arm-attr = { version = "0.2", optional = true }
 
 # arm64
@@ -162,8 +170,9 @@ yaxpeax-arm = { version = "0.3", default-features = false, optional = true }
 notify = { version = "8.0.0", optional = true }
 notify-debouncer-full = { version = "0.5.0", optional = true }
 shell-escape = { version = "0.1", optional = true }
-tempfile = { version = "3.17", optional = true }
+tempfile = { version = "3.19", optional = true }
 time = { version = "0.3", optional = true }
+encoding_rs = { version = "0.8.35", optional = true }
 
 [target.'cfg(windows)'.dependencies]
 winapi = { version = "0.3", optional = true }
@@ -192,4 +201,4 @@ syn = { version = "2.0", optional = true }
 [dev-dependencies]
 # Enable all features for tests
 objdiff-core = { path = ".", features = ["all"] }
-insta = "1.42"
+insta = "1.43"

objdiff-core/README.md

@@ -5,11 +5,12 @@ objdiff-core contains the core functionality of [objdiff](https://github.com/enc
 ## Crate feature flags
 
 - **`all`**: Enables all main features.
+- **`bindings`**: Enables serialization and deserialization of objdiff data structures.
 - **`config`**: Enables objdiff configuration file support.
 - **`dwarf`**: Enables extraction of line number information from DWARF debug sections.
-- **`mips`**: Enables the MIPS backend powered by [rabbitizer](https://github.com/Decompollaborate/rabbitizer). (Note: C library with Rust bindings)
-- **`ppc`**: Enables the PowerPC backend powered by [ppc750cl](https://github.com/encounter/ppc750cl).
-- **`x86`**: Enables the x86 backend powered by [iced-x86](https://crates.io/crates/iced-x86).
-- **`arm`**: Enables the ARM backend powered by [unarm](https://github.com/AetiasHax/unarm).
 - **`arm64`**: Enables the ARM64 backend powered by [yaxpeax-arm](https://github.com/iximeow/yaxpeax-arm).
-- **`bindings`**: Enables serialization and deserialization of objdiff data structures.
+- **`arm`**: Enables the ARM backend powered by [unarm](https://github.com/AetiasHax/unarm).
+- **`mips`**: Enables the MIPS backend powered by [rabbitizer](https://github.com/Decompollaborate/rabbitizer).
+- **`ppc`**: Enables the PowerPC backend powered by [ppc750cl](https://github.com/encounter/ppc750cl).
+- **`superh`**: Enables the SuperH backend powered by an included disassembler.
+- **`x86`**: Enables the x86 backend powered by [iced-x86](https://crates.io/crates/iced-x86).

objdiff-core/config-schema.json

@@ -275,4 +275,4 @@
       ]
     }
   ]
-}
+}

objdiff-core/protos/report.proto

@@ -99,6 +99,8 @@ message ReportItem {
   float fuzzy_match_percent = 3;
   // Extra metadata for this item
   optional ReportItemMetadata metadata = 4;
+  // Address of the item (section-relative offset)
+  optional uint64 address = 5;
 }
 
 // Extra metadata for an item

objdiff-core/src/arch/arm.rs

@@ -14,8 +14,8 @@ use crate::{
     arch::Arch,
     diff::{ArmArchVersion, ArmR9Usage, DiffObjConfig, display::InstructionPart},
     obj::{
-        InstructionRef, RelocationFlags, ResolvedInstructionRef, ResolvedRelocation,
-        ScannedInstruction, SymbolFlag, SymbolFlagSet, SymbolKind,
+        InstructionRef, Relocation, RelocationFlags, ResolvedInstructionRef, ResolvedRelocation,
+        Section, SectionKind, Symbol, SymbolFlag, SymbolFlagSet, SymbolKind,
     },
 };
 
@@ -32,7 +32,8 @@ impl ArchArm {
         let endianness = file.endianness();
         match file {
             object::File::Elf32(_) => {
-                let disasm_modes = Self::elf_get_mapping_symbols(file);
+                // The disasm_modes mapping is populated later in the post_init step so that we have access to merged sections.
+                let disasm_modes = BTreeMap::new();
                 let detected_version = Self::elf_detect_arm_version(file)?;
                 Ok(Self { disasm_modes, detected_version, endianness })
             }
@@ -73,29 +74,26 @@ impl ArchArm {
         Ok(None)
     }
 
-    fn elf_get_mapping_symbols(file: &object::File) -> BTreeMap<usize, Vec<DisasmMode>> {
-        file.sections()
-            .filter(|s| s.kind() == object::SectionKind::Text)
-            .map(|s| {
-                let index = s.index();
-                let mut mapping_symbols: Vec<_> = file
-                    .symbols()
-                    .filter(|s| s.section_index().map(|i| i == index).unwrap_or(false))
-                    .filter_map(|s| DisasmMode::from_symbol(&s))
+    fn get_mapping_symbols(
+        sections: &[Section],
+        symbols: &[Symbol],
+    ) -> BTreeMap<usize, Vec<DisasmMode>> {
+        sections
+            .iter()
+            .enumerate()
+            .filter(|(_, section)| section.kind == SectionKind::Code)
+            .map(|(index, _)| {
+                let mut mapping_symbols: Vec<_> = symbols
+                    .iter()
+                    .filter(|s| s.section.map(|i| i == index).unwrap_or(false))
+                    .filter_map(DisasmMode::from_symbol)
                     .collect();
                 mapping_symbols.sort_unstable_by_key(|x| x.address);
-                (s.index().0, mapping_symbols)
+                (index, mapping_symbols)
             })
             .collect()
     }
 
-    fn endian(&self) -> unarm::Endian {
-        match self.endianness {
-            object::Endianness::Little => unarm::Endian::Little,
-            object::Endianness::Big => unarm::Endian::Big,
-        }
-    }
-
     fn parse_flags(&self, diff_config: &DiffObjConfig) -> unarm::ParseFlags {
         unarm::ParseFlags {
             ual: diff_config.arm_unified_syntax,
@@ -130,6 +128,31 @@ impl ArchArm {
         code: &[u8],
         diff_config: &DiffObjConfig,
     ) -> Result<(unarm::Ins, unarm::ParsedIns)> {
+        if ins_ref.opcode == thumb::Opcode::BlH as u16 && ins_ref.size == 4 {
+            // Special case: combined thumb BL instruction
+            let parse_flags = self.parse_flags(diff_config);
+            let first_ins = thumb::Ins {
+                code: match self.endianness {
+                    object::Endianness::Little => u16::from_le_bytes([code[0], code[1]]),
+                    object::Endianness::Big => u16::from_be_bytes([code[0], code[1]]),
+                } as u32,
+                op: thumb::Opcode::BlH,
+            };
+            let second_ins = thumb::Ins::new(
+                match self.endianness {
+                    object::Endianness::Little => u16::from_le_bytes([code[2], code[3]]),
+                    object::Endianness::Big => u16::from_be_bytes([code[2], code[3]]),
+                } as u32,
+                &parse_flags,
+            );
+            let first_parsed = first_ins.parse(&parse_flags);
+            let second_parsed = second_ins.parse(&parse_flags);
+            return Ok((
+                unarm::Ins::Thumb(first_ins),
+                first_parsed.combine_thumb_bl(&second_parsed),
+            ));
+        }
+
         let code = match (self.endianness, ins_ref.size) {
             (object::Endianness::Little, 2) => u16::from_le_bytes([code[0], code[1]]) as u32,
             (object::Endianness::Little, 4) => {
@@ -153,24 +176,25 @@ impl ArchArm {
         } else {
             let ins = thumb::Ins { code, op: thumb::Opcode::from(ins_ref.opcode as u8) };
             let parsed = ins.parse(&self.parse_flags(diff_config));
-            if ins.is_half_bl() {
-                todo!("Combine thumb BL instructions");
-            } else {
-                (unarm::Ins::Thumb(ins), parsed)
-            }
+            (unarm::Ins::Thumb(ins), parsed)
         };
         Ok((ins, parsed_ins))
     }
 }
 
 impl Arch for ArchArm {
-    fn scan_instructions(
+    fn post_init(&mut self, sections: &[Section], symbols: &[Symbol]) {
+        self.disasm_modes = Self::get_mapping_symbols(sections, symbols);
+    }
+
+    fn scan_instructions_internal(
         &self,
         address: u64,
         code: &[u8],
         section_index: usize,
+        _relocations: &[Relocation],
         diff_config: &DiffObjConfig,
-    ) -> Result<Vec<ScannedInstruction>> {
+    ) -> Result<Vec<InstructionRef>> {
         let start_addr = address as u32;
         let end_addr = start_addr + code.len() as u32;
 
@@ -184,61 +208,126 @@ impl Arch for ArchArm {
             .unwrap_or(&fallback_mappings);
         let first_mapping_idx = mapping_symbols
             .binary_search_by_key(&start_addr, |x| x.address)
-            .unwrap_or_else(|idx| idx - 1);
-        let first_mapping = mapping_symbols[first_mapping_idx].mapping;
+            .unwrap_or_else(|idx| idx.saturating_sub(1));
+        let mut mode = mapping_symbols[first_mapping_idx].mapping;
 
-        let mut mappings_iter =
-            mapping_symbols.iter().skip(first_mapping_idx + 1).take_while(|x| x.address < end_addr);
+        let mut mappings_iter = mapping_symbols
+            .iter()
+            .copied()
+            .skip(first_mapping_idx + 1)
+            .take_while(|x| x.address < end_addr);
         let mut next_mapping = mappings_iter.next();
 
-        let ins_count = code.len() / first_mapping.instruction_size(start_addr);
-        let mut ops = Vec::<ScannedInstruction>::with_capacity(ins_count);
+        let ins_count = code.len() / mode.instruction_size(start_addr);
+        let mut ops = Vec::<InstructionRef>::with_capacity(ins_count);
 
-        let endian = self.endian();
         let parse_flags = self.parse_flags(diff_config);
-        let mut parser = unarm::Parser::new(first_mapping, start_addr, endian, parse_flags, code);
 
-        while let Some((address, ins, _parsed_ins)) = parser.next() {
-            let size = parser.mode.instruction_size(address);
-            if let Some(next) = next_mapping {
-                let next_address = parser.address;
-                if next_address >= next.address {
-                    // Change mapping
-                    parser.mode = next.mapping;
-                    next_mapping = mappings_iter.next();
-                }
+        let mut address = start_addr;
+        while address < end_addr {
+            while let Some(next) = next_mapping.filter(|x| address >= x.address) {
+                // Change mapping
+                mode = next.mapping;
+                next_mapping = mappings_iter.next();
             }
-            let (opcode, branch_dest) = match ins {
-                unarm::Ins::Arm(x) => {
-                    let opcode = x.op as u16 | (1 << 15);
-                    let branch_dest = match x.op {
+
+            let mut ins_size = mode.instruction_size(address);
+            let data = &code[(address - start_addr) as usize..];
+            if data.len() < ins_size {
+                // Push the remainder as data
+                ops.push(InstructionRef {
+                    address: address as u64,
+                    size: data.len() as u8,
+                    opcode: u16::MAX,
+                    branch_dest: None,
+                });
+                break;
+            }
+            let code = match (self.endianness, ins_size) {
+                (object::Endianness::Little, 2) => u16::from_le_bytes([data[0], data[1]]) as u32,
+                (object::Endianness::Little, 4) => {
+                    u32::from_le_bytes([data[0], data[1], data[2], data[3]])
+                }
+                (object::Endianness::Big, 2) => u16::from_be_bytes([data[0], data[1]]) as u32,
+                (object::Endianness::Big, 4) => {
+                    u32::from_be_bytes([data[0], data[1], data[2], data[3]])
+                }
+                _ => {
+                    // Invalid instruction size
+                    ops.push(InstructionRef {
+                        address: address as u64,
+                        size: ins_size as u8,
+                        opcode: u16::MAX,
+                        branch_dest: None,
+                    });
+                    address += ins_size as u32;
+                    continue;
+                }
+            };
+
+            let (opcode, branch_dest) = match mode {
+                unarm::ParseMode::Arm => {
+                    let ins = arm::Ins::new(code, &parse_flags);
+                    let opcode = ins.op as u16 | (1 << 15);
+                    let branch_dest = match ins.op {
                         arm::Opcode::B | arm::Opcode::Bl => {
-                            address.checked_add_signed(x.field_branch_offset())
+                            address.checked_add_signed(ins.field_branch_offset())
                         }
-                        arm::Opcode::BlxI => address.checked_add_signed(x.field_blx_offset()),
+                        arm::Opcode::BlxI => address.checked_add_signed(ins.field_blx_offset()),
                         _ => None,
                     };
                     (opcode, branch_dest)
                 }
-                unarm::Ins::Thumb(x) => {
-                    let opcode = x.op as u16;
-                    let branch_dest = match x.op {
+                unarm::ParseMode::Thumb => {
+                    let ins = thumb::Ins::new(code, &parse_flags);
+                    let opcode = ins.op as u16;
+                    let branch_dest = match ins.op {
                         thumb::Opcode::B | thumb::Opcode::Bl => {
-                            address.checked_add_signed(x.field_branch_offset_8())
+                            address.checked_add_signed(ins.field_branch_offset_8())
+                        }
+                        thumb::Opcode::BlH if data.len() >= 4 => {
+                            // Combine BL instructions
+                            let second_ins = thumb::Ins::new(
+                                match self.endianness {
+                                    object::Endianness::Little => {
+                                        u16::from_le_bytes([data[2], data[3]]) as u32
+                                    }
+                                    object::Endianness::Big => {
+                                        u16::from_be_bytes([data[2], data[3]]) as u32
+                                    }
+                                },
+                                &parse_flags,
+                            );
+                            if let Some(low) = match second_ins.op {
+                                thumb::Opcode::Bl => Some(second_ins.field_low_branch_offset_11()),
+                                thumb::Opcode::BlxI => Some(second_ins.field_low_blx_offset_11()),
+                                _ => None,
+                            } {
+                                ins_size = 4;
+                                address.checked_add_signed(
+                                    (ins.field_high_branch_offset_11() + (low as i32)) << 9 >> 9,
+                                )
+                            } else {
+                                None
+                            }
                         }
                         thumb::Opcode::BLong => {
-                            address.checked_add_signed(x.field_branch_offset_11())
+                            address.checked_add_signed(ins.field_branch_offset_11())
                         }
                         _ => None,
                     };
                     (opcode, branch_dest)
                 }
-                unarm::Ins::Data => (u16::MAX, None),
+                unarm::ParseMode::Data => (u16::MAX, None),
             };
-            ops.push(ScannedInstruction {
-                ins_ref: InstructionRef { address: address as u64, size: size as u8, opcode },
+
+            ops.push(InstructionRef {
+                address: address as u64,
+                size: ins_size as u8,
+                opcode,
                 branch_dest: branch_dest.map(|x| x as u64),
             });
+            address += ins_size as u32;
         }
 
         Ok(ops)
@@ -256,6 +345,7 @@ impl Arch for ArchArm {
             cb(InstructionPart::reloc())?;
         } else {
             push_args(
+                ins,
                 &parsed_ins,
                 resolved.relocation,
                 resolved.ins_ref.address as u32,
@@ -359,7 +449,7 @@ impl Arch for ArchArm {
 
     fn extra_symbol_flags(&self, symbol: &object::Symbol) -> SymbolFlagSet {
         let mut flags = SymbolFlagSet::default();
-        if DisasmMode::from_symbol(symbol).is_some() {
+        if DisasmMode::from_object_symbol(symbol).is_some() {
             flags |= SymbolFlag::Hidden;
         }
         flags
@@ -373,15 +463,21 @@ struct DisasmMode {
 }
 
 impl DisasmMode {
-    fn from_symbol<'a>(sym: &object::Symbol<'a, '_, &'a [u8]>) -> Option<Self> {
+    fn from_object_symbol<'a>(sym: &object::Symbol<'a, '_, &'a [u8]>) -> Option<Self> {
         sym.name()
             .ok()
             .and_then(unarm::ParseMode::from_mapping_symbol)
             .map(|mapping| DisasmMode { address: sym.address() as u32, mapping })
     }
+
+    fn from_symbol(sym: &Symbol) -> Option<Self> {
+        unarm::ParseMode::from_mapping_symbol(&sym.name)
+            .map(|mapping| DisasmMode { address: sym.address as u32, mapping })
+    }
 }
 
 fn push_args(
+    ins: unarm::Ins,
     parsed_ins: &unarm::ParsedIns,
     relocation: Option<ResolvedRelocation>,
     cur_addr: u32,
@@ -391,7 +487,7 @@ fn push_args(
     let reloc_arg = find_reloc_arg(parsed_ins, relocation);
     let mut writeback = false;
     let mut deref = false;
-    for (i, arg) in parsed_ins.args_iter().enumerate() {
+    for (i, &arg) in parsed_ins.args_iter().enumerate() {
         // Emit punctuation before separator
         if deref {
             match arg {
@@ -463,19 +559,19 @@ fn push_args(
                 | args::Argument::CoOpcode(value)
                 | args::Argument::SatImm(value) => {
                     arg_cb(InstructionPart::basic("#"))?;
-                    arg_cb(InstructionPart::unsigned(*value))?;
+                    arg_cb(InstructionPart::unsigned(value))?;
                 }
                 args::Argument::SImm(value)
                 | args::Argument::OffsetImm(args::OffsetImm { post_indexed: _, value }) => {
                     arg_cb(InstructionPart::basic("#"))?;
-                    arg_cb(InstructionPart::signed(*value))?;
+                    arg_cb(InstructionPart::signed(value))?;
                 }
                 args::Argument::BranchDest(value) => {
-                    arg_cb(InstructionPart::branch_dest(cur_addr.wrapping_add_signed(*value)))?;
+                    arg_cb(InstructionPart::branch_dest(cur_addr.wrapping_add_signed(value)))?;
                 }
                 args::Argument::CoOption(value) => {
                     arg_cb(InstructionPart::basic("{"))?;
-                    arg_cb(InstructionPart::unsigned(*value))?;
+                    arg_cb(InstructionPart::unsigned(value))?;
                     arg_cb(InstructionPart::basic("}"))?;
                 }
                 args::Argument::CoprocNum(value) => {
@@ -527,6 +623,14 @@ fn push_args(
             arg_cb(InstructionPart::opaque("!"))?;
         }
     }
+
+    let branch_dest = get_pc_relative_load_address(ins, cur_addr);
+    if let Some(branch_dest) = branch_dest {
+        arg_cb(InstructionPart::basic(" (->"))?;
+        arg_cb(InstructionPart::branch_dest(branch_dest))?;
+        arg_cb(InstructionPart::basic(")"))?;
+    }
+
     Ok(())
 }
 
@@ -554,3 +658,21 @@ fn find_reloc_arg(
         None
     }
 }
+
+fn get_pc_relative_load_address(ins: unarm::Ins, address: u32) -> Option<u32> {
+    match ins {
+        unarm::Ins::Arm(ins)
+            if ins.op == arm::Opcode::Ldr
+                && ins.modifier_addr_ldr_str() == arm::AddrLdrStr::Imm
+                && ins.field_rn_deref().reg == args::Register::Pc =>
+        {
+            let offset = ins.field_offset_12().value;
+            Some(address.wrapping_add_signed(offset + 8))
+        }
+        unarm::Ins::Thumb(ins) if ins.op == thumb::Opcode::LdrPc => {
+            let offset = ins.field_rel_immed_8().value;
+            Some((address & !3).wrapping_add_signed(offset + 4))
+        }
+        _ => None,
+    }
+}

objdiff-core/src/arch/arm64.rs

@@ -17,8 +17,7 @@ use crate::{
     arch::Arch,
     diff::{DiffObjConfig, display::InstructionPart},
     obj::{
-        InstructionRef, RelocationFlags, ResolvedInstructionRef, ResolvedRelocation,
-        ScannedInstruction,
+        InstructionRef, Relocation, RelocationFlags, ResolvedInstructionRef, ResolvedRelocation,
     },
 };
 
@@ -30,15 +29,16 @@ impl ArchArm64 {
 }
 
 impl Arch for ArchArm64 {
-    fn scan_instructions(
+    fn scan_instructions_internal(
         &self,
         address: u64,
         code: &[u8],
         _section_index: usize,
+        _relocations: &[Relocation],
         _diff_config: &DiffObjConfig,
-    ) -> Result<Vec<ScannedInstruction>> {
+    ) -> Result<Vec<InstructionRef>> {
         let start_address = address;
-        let mut ops = Vec::<ScannedInstruction>::with_capacity(code.len() / 4);
+        let mut ops = Vec::<InstructionRef>::with_capacity(code.len() / 4);
 
         let mut reader = U8Reader::new(code);
         let decoder = InstDecoder::default();
@@ -57,8 +57,10 @@ impl Arch for ArchArm64 {
                     DecodeError::InvalidOpcode
                     | DecodeError::InvalidOperand
                     | DecodeError::IncompleteDecoder => {
-                        ops.push(ScannedInstruction {
-                            ins_ref: InstructionRef { address, size: 4, opcode: u16::MAX },
+                        ops.push(InstructionRef {
+                            address,
+                            size: 4,
+                            opcode: u16::MAX,
                             branch_dest: None,
                         });
                         continue;
@@ -67,9 +69,9 @@ impl Arch for ArchArm64 {
             }
 
             let opcode = opcode_to_u16(ins.opcode);
-            let ins_ref = InstructionRef { address, size: 4, opcode };
-            let branch_dest = branch_dest(ins_ref, &code[offset as usize..offset as usize + 4]);
-            ops.push(ScannedInstruction { ins_ref, branch_dest });
+            let branch_dest =
+                branch_dest(opcode, address, &code[offset as usize..offset as usize + 4]);
+            ops.push(InstructionRef { address, size: 4, opcode, branch_dest });
         }
 
         Ok(ops)
@@ -162,7 +164,7 @@ impl Arch for ArchArm64 {
     }
 }
 
-fn branch_dest(ins_ref: InstructionRef, code: &[u8]) -> Option<u64> {
+fn branch_dest(opcode: u16, address: u64, code: &[u8]) -> Option<u64> {
     const OPCODE_B: u16 = opcode_to_u16(Opcode::B);
     const OPCODE_BL: u16 = opcode_to_u16(Opcode::BL);
     const OPCODE_BCC: u16 = opcode_to_u16(Opcode::Bcc(0));
@@ -172,21 +174,21 @@ fn branch_dest(ins_ref: InstructionRef, code: &[u8]) -> Option<u64> {
     const OPCODE_TBNZ: u16 = opcode_to_u16(Opcode::TBNZ);
 
     let word = u32::from_le_bytes(code.try_into().ok()?);
-    match ins_ref.opcode {
+    match opcode {
         OPCODE_B | OPCODE_BL => {
             let offset = ((word & 0x03ff_ffff) << 2) as i32;
             let extended_offset = (offset << 4) >> 4;
-            ins_ref.address.checked_add_signed(extended_offset as i64)
+            address.checked_add_signed(extended_offset as i64)
         }
         OPCODE_BCC | OPCODE_CBZ | OPCODE_CBNZ => {
             let offset = (word as i32 & 0x00ff_ffe0) >> 3;
             let extended_offset = (offset << 11) >> 11;
-            ins_ref.address.checked_add_signed(extended_offset as i64)
+            address.checked_add_signed(extended_offset as i64)
         }
         OPCODE_TBZ | OPCODE_TBNZ => {
             let offset = (word as i32 & 0x0007_ffe0) >> 3;
             let extended_offset = (offset << 16) >> 16;
-            ins_ref.address.checked_add_signed(extended_offset as i64)
+            address.checked_add_signed(extended_offset as i64)
         }
         _ => None,
     }

objdiff-core/src/arch/mips.rs

@@ -1,9 +1,8 @@
 use alloc::{
     collections::{BTreeMap, BTreeSet},
-    string::ToString,
+    string::{String, ToString},
     vec::Vec,
 };
-use core::ops::Range;
 
 use anyhow::{Result, bail};
 use object::{Endian as _, Object as _, ObjectSection as _, ObjectSymbol as _, elf};
@@ -19,7 +18,7 @@ use crate::{
     diff::{DiffObjConfig, MipsAbi, MipsInstrCategory, display::InstructionPart},
     obj::{
         InstructionArg, InstructionArgValue, InstructionRef, Relocation, RelocationFlags,
-        ResolvedInstructionRef, ResolvedRelocation, ScannedInstruction, SymbolFlag, SymbolFlagSet,
+        ResolvedInstructionRef, ResolvedRelocation, SymbolFlag, SymbolFlagSet,
     },
 };
 
@@ -189,15 +188,16 @@ impl ArchMips {
 }
 
 impl Arch for ArchMips {
-    fn scan_instructions(
+    fn scan_instructions_internal(
         &self,
         address: u64,
         code: &[u8],
         _section_index: usize,
+        _relocations: &[Relocation],
         diff_config: &DiffObjConfig,
-    ) -> Result<Vec<ScannedInstruction>> {
+    ) -> Result<Vec<InstructionRef>> {
         let instruction_flags = self.instruction_flags(diff_config);
-        let mut ops = Vec::<ScannedInstruction>::with_capacity(code.len() / 4);
+        let mut ops = Vec::<InstructionRef>::with_capacity(code.len() / 4);
         let mut cur_addr = address as u32;
         for chunk in code.chunks_exact(4) {
             let code = self.endianness.read_u32_bytes(chunk.try_into()?);
@@ -205,10 +205,7 @@ impl Arch for ArchMips {
                 rabbitizer::Instruction::new(code, Vram::new(cur_addr), instruction_flags);
             let opcode = instruction.opcode() as u16;
             let branch_dest = instruction.get_branch_vram_generic().map(|v| v.inner() as u64);
-            ops.push(ScannedInstruction {
-                ins_ref: InstructionRef { address: cur_addr as u64, size: 4, opcode },
-                branch_dest,
-            });
+            ops.push(InstructionRef { address: cur_addr as u64, size: 4, opcode, branch_dest });
             cur_addr += 4;
         }
         Ok(ops)
@@ -224,16 +221,7 @@ impl Arch for ArchMips {
         let display_flags = self.instruction_display_flags(diff_config);
         let opcode = instruction.opcode();
         cb(InstructionPart::opcode(opcode.name(), opcode as u16))?;
-        let start_address = resolved.symbol.address;
-        let function_range = start_address..start_address + resolved.symbol.size;
-        push_args(
-            &instruction,
-            resolved.relocation,
-            function_range,
-            resolved.section_index,
-            &display_flags,
-            cb,
-        )?;
+        push_args(&instruction, resolved.relocation, &display_flags, cb)?;
         Ok(())
     }
 
@@ -286,6 +274,13 @@ impl Arch for ArchMips {
         })
     }
 
+    fn demangle(&self, name: &str) -> Option<String> {
+        cpp_demangle::Symbol::new(name)
+            .ok()
+            .and_then(|s| s.demangle(&cpp_demangle::DemangleOptions::default()).ok())
+            .or_else(|| cwdemangle::demangle(name, &cwdemangle::DemangleOptions::default()))
+    }
+
     fn reloc_name(&self, flags: RelocationFlags) -> Option<&'static str> {
         match flags {
             RelocationFlags::Elf(r_type) => match r_type {
@@ -330,8 +325,6 @@ impl Arch for ArchMips {
 fn push_args(
     instruction: &rabbitizer::Instruction,
     relocation: Option<ResolvedRelocation>,
-    function_range: Range<u64>,
-    section_index: usize,
     display_flags: &rabbitizer::InstructionDisplayFlags,
     mut arg_cb: impl FnMut(InstructionPart) -> Result<()>,
 ) -> Result<()> {
@@ -354,23 +347,7 @@ fn push_args(
             }
             ValuedOperand::core_label(..) | ValuedOperand::core_branch_target_label(..) => {
                 if let Some(resolved) = relocation {
-                    // If the relocation target is within the current function, we can
-                    // convert it into a relative branch target. Note that we check
-                    // target_address > start_address instead of >= so that recursive
-                    // tail calls are not considered branch targets.
-                    let target_address =
-                        resolved.symbol.address.checked_add_signed(resolved.relocation.addend);
-                    if resolved.symbol.section == Some(section_index)
-                        && target_address.is_some_and(|addr| {
-                            addr > function_range.start && addr < function_range.end
-                        })
-                    {
-                        // TODO move this logic up a level
-                        let target_address = target_address.unwrap();
-                        arg_cb(InstructionPart::branch_dest(target_address))?;
-                    } else {
-                        push_reloc(resolved.relocation, &mut arg_cb)?;
-                    }
+                    push_reloc(resolved.relocation, &mut arg_cb)?;
                 } else if let Some(branch_dest) = instruction
                     .get_branch_offset_generic()
                     .map(|o| (instruction.vram() + o).inner() as u64)

objdiff-core/src/arch/mod.rs

@@ -2,6 +2,7 @@ use alloc::{borrow::Cow, boxed::Box, format, string::String, vec::Vec};
 use core::{ffi::CStr, fmt, fmt::Debug};
 
 use anyhow::{Result, bail};
+use encoding_rs::SHIFT_JIS;
 use object::Endian as _;
 
 use crate::{
@@ -10,8 +11,8 @@ use crate::{
         display::{ContextItem, HoverItem, InstructionPart},
     },
     obj::{
-        InstructionArg, Object, ParsedInstruction, Relocation, RelocationFlags,
-        ResolvedInstructionRef, ScannedInstruction, Symbol, SymbolFlagSet, SymbolKind,
+        InstructionArg, InstructionRef, Object, ParsedInstruction, Relocation, RelocationFlags,
+        ResolvedInstructionRef, ResolvedSymbol, Section, Symbol, SymbolFlagSet, SymbolKind,
     },
     util::ReallySigned,
 };
@@ -24,6 +25,8 @@ pub mod arm64;
 pub mod mips;
 #[cfg(feature = "ppc")]
 pub mod ppc;
+#[cfg(feature = "superh")]
+pub mod superh;
 #[cfg(feature = "x86")]
 pub mod x86;
 
@@ -57,13 +60,18 @@ impl fmt::Display for DataType {
 impl DataType {
     pub fn display_labels(&self, endian: object::Endianness, bytes: &[u8]) -> Vec<String> {
         let mut strs = Vec::new();
-        for literal in self.display_literals(endian, bytes) {
-            strs.push(format!("{}: {}", self, literal))
+        for (literal, label_override) in self.display_literals(endian, bytes) {
+            let label = label_override.unwrap_or_else(|| format!("{}", self));
+            strs.push(format!("{}: {}", label, literal))
         }
         strs
     }
 
-    pub fn display_literals(&self, endian: object::Endianness, bytes: &[u8]) -> Vec<String> {
+    pub fn display_literals(
+        &self,
+        endian: object::Endianness,
+        bytes: &[u8],
+    ) -> Vec<(String, Option<String>)> {
         let mut strs = Vec::new();
         if self.required_len().is_some_and(|l| bytes.len() < l) {
             log::warn!(
@@ -87,56 +95,72 @@ impl DataType {
         match self {
             DataType::Int8 => {
                 let i = i8::from_ne_bytes(bytes.try_into().unwrap());
-                strs.push(format!("{:#x}", i));
+                strs.push((format!("{:#x}", i), None));
 
                 if i < 0 {
-                    strs.push(format!("{:#x}", ReallySigned(i)));
+                    strs.push((format!("{:#x}", ReallySigned(i)), None));
                 }
             }
             DataType::Int16 => {
                 let i = endian.read_i16_bytes(bytes.try_into().unwrap());
-                strs.push(format!("{:#x}", i));
+                strs.push((format!("{:#x}", i), None));
 
                 if i < 0 {
-                    strs.push(format!("{:#x}", ReallySigned(i)));
+                    strs.push((format!("{:#x}", ReallySigned(i)), None));
                 }
             }
             DataType::Int32 => {
                 let i = endian.read_i32_bytes(bytes.try_into().unwrap());
-                strs.push(format!("{:#x}", i));
+                strs.push((format!("{:#x}", i), None));
 
                 if i < 0 {
-                    strs.push(format!("{:#x}", ReallySigned(i)));
+                    strs.push((format!("{:#x}", ReallySigned(i)), None));
                 }
             }
             DataType::Int64 => {
                 let i = endian.read_i64_bytes(bytes.try_into().unwrap());
-                strs.push(format!("{:#x}", i));
+                strs.push((format!("{:#x}", i), None));
 
                 if i < 0 {
-                    strs.push(format!("{:#x}", ReallySigned(i)));
+                    strs.push((format!("{:#x}", ReallySigned(i)), None));
                 }
             }
             DataType::Float => {
                 let bytes: [u8; 4] = bytes.try_into().unwrap();
-                strs.push(format!("{:?}f", match endian {
-                    object::Endianness::Little => f32::from_le_bytes(bytes),
-                    object::Endianness::Big => f32::from_be_bytes(bytes),
-                }));
+                strs.push((
+                    format!("{:?}f", match endian {
+                        object::Endianness::Little => f32::from_le_bytes(bytes),
+                        object::Endianness::Big => f32::from_be_bytes(bytes),
+                    }),
+                    None,
+                ));
             }
             DataType::Double => {
                 let bytes: [u8; 8] = bytes.try_into().unwrap();
-                strs.push(format!("{:?}", match endian {
-                    object::Endianness::Little => f64::from_le_bytes(bytes),
-                    object::Endianness::Big => f64::from_be_bytes(bytes),
-                }));
+                strs.push((
+                    format!("{:?}", match endian {
+                        object::Endianness::Little => f64::from_le_bytes(bytes),
+                        object::Endianness::Big => f64::from_be_bytes(bytes),
+                    }),
+                    None,
+                ));
             }
             DataType::Bytes => {
-                strs.push(format!("{:#?}", bytes));
+                strs.push((format!("{:#?}", bytes), None));
             }
             DataType::String => {
                 if let Ok(cstr) = CStr::from_bytes_until_nul(bytes) {
-                    strs.push(format!("{:?}", cstr));
+                    strs.push((format!("{:?}", cstr), None));
+                }
+                if let Some(nul_idx) = bytes.iter().position(|&c| c == b'\0') {
+                    let (cow, _, had_errors) = SHIFT_JIS.decode(&bytes[..nul_idx]);
+                    if !had_errors {
+                        let str = format!("{:?}", cow);
+                        // Only add the Shift JIS string if it's different from the ASCII string.
+                        if !strs.iter().any(|x| x.0 == str) {
+                            strs.push((str, Some("Shift JIS".into())));
+                        }
+                    }
                 }
             }
         }
@@ -158,42 +182,108 @@ impl DataType {
     }
 }
 
-pub trait Arch: Send + Sync + Debug {
+impl dyn Arch {
     /// Generate a list of instructions references (offset, size, opcode) from the given code.
     ///
-    /// The opcode IDs are used to generate the initial diff. Implementations should do as little
-    /// parsing as possible here: just enough to identify the base instruction opcode, size, and
-    /// possible branch destination (for visual representation). As needed, instructions are parsed
-    /// via `process_instruction` to compare their arguments.
-    fn scan_instructions(
+    /// See [`scan_instructions_internal`] for more details.
+    pub fn scan_instructions(
         &self,
-        address: u64,
-        code: &[u8],
-        section_index: usize,
+        resolved: ResolvedSymbol,
         diff_config: &DiffObjConfig,
-    ) -> Result<Vec<ScannedInstruction>>;
+    ) -> Result<Vec<InstructionRef>> {
+        let mut result = self.scan_instructions_internal(
+            resolved.symbol.address,
+            resolved.data,
+            resolved.section_index,
+            &resolved.section.relocations,
+            diff_config,
+        )?;
+
+        let function_start = resolved.symbol.address;
+        let function_end = function_start + resolved.symbol.size;
+
+        // Remove any branch destinations that are outside the function range
+        for ins in result.iter_mut() {
+            if let Some(branch_dest) = ins.branch_dest {
+                if branch_dest < function_start || branch_dest >= function_end {
+                    ins.branch_dest = None;
+                }
+            }
+        }
+
+        // Resolve relocation targets within the same function to branch destinations
+        let mut ins_iter = result.iter_mut().peekable();
+        'outer: for reloc in resolved
+            .section
+            .relocations
+            .iter()
+            .skip_while(|r| r.address < function_start)
+            .take_while(|r| r.address < function_end)
+        {
+            let ins = loop {
+                let Some(ins) = ins_iter.peek_mut() else {
+                    break 'outer;
+                };
+                if reloc.address < ins.address {
+                    continue 'outer;
+                }
+                let ins = ins_iter.next().unwrap();
+                if reloc.address >= ins.address && reloc.address < ins.address + ins.size as u64 {
+                    break ins;
+                }
+            };
+            // Clear existing branch destination for instructions with relocations
+            ins.branch_dest = None;
+            let Some(target) = resolved.obj.symbols.get(reloc.target_symbol) else {
+                continue;
+            };
+            if target.section != Some(resolved.section_index) {
+                continue;
+            }
+            let Some(target_address) = target.address.checked_add_signed(reloc.addend) else {
+                continue;
+            };
+            // If the target address is within the function range, set it as a branch destination
+            if target_address >= function_start && target_address < function_end {
+                ins.branch_dest = Some(target_address);
+            }
+        }
+
+        Ok(result)
+    }
 
     /// Parse an instruction to gather its mnemonic and arguments for more detailed comparison.
     ///
     /// This is called only when we need to compare the arguments of an instruction.
-    fn process_instruction(
+    pub fn process_instruction(
         &self,
         resolved: ResolvedInstructionRef,
         diff_config: &DiffObjConfig,
     ) -> Result<ParsedInstruction> {
         let mut mnemonic = None;
         let mut args = Vec::with_capacity(8);
+        let mut relocation_emitted = false;
         self.display_instruction(resolved, diff_config, &mut |part| {
             match part {
                 InstructionPart::Opcode(m, _) => mnemonic = Some(Cow::Owned(m.into_owned())),
-                InstructionPart::Arg(arg) => args.push(arg.into_static()),
+                InstructionPart::Arg(arg) => {
+                    if arg == InstructionArg::Reloc {
+                        relocation_emitted = true;
+                        // If the relocation was resolved to a branch destination, emit that instead.
+                        if let Some(dest) = resolved.ins_ref.branch_dest {
+                            args.push(InstructionArg::BranchDest(dest));
+                            return Ok(());
+                        }
+                    }
+                    args.push(arg.into_static());
+                }
                 _ => {}
             }
             Ok(())
         })?;
         // If the instruction has a relocation, but we didn't format it in the display, add it to
         // the end of the arguments list.
-        if resolved.relocation.is_some() && !args.contains(&InstructionArg::Reloc) {
+        if resolved.relocation.is_some() && !relocation_emitted {
             args.push(InstructionArg::Reloc);
         }
         Ok(ParsedInstruction {
@@ -202,6 +292,26 @@ pub trait Arch: Send + Sync + Debug {
             args,
         })
     }
+}
+
+pub trait Arch: Send + Sync + Debug {
+    /// Finishes arch-specific initialization that must be done after sections have been combined.
+    fn post_init(&mut self, _sections: &[Section], _symbols: &[Symbol]) {}
+
+    /// Generate a list of instructions references (offset, size, opcode) from the given code.
+    ///
+    /// The opcode IDs are used to generate the initial diff. Implementations should do as little
+    /// parsing as possible here: just enough to identify the base instruction opcode, size, and
+    /// possible branch destination (for visual representation). As needed, instructions are parsed
+    /// via `process_instruction` to compare their arguments.
+    fn scan_instructions_internal(
+        &self,
+        address: u64,
+        code: &[u8],
+        section_index: usize,
+        relocations: &[Relocation],
+        diff_config: &DiffObjConfig,
+    ) -> Result<Vec<InstructionRef>>;
 
     /// Format an instruction for display.
     ///
@@ -246,7 +356,13 @@ pub trait Arch: Send + Sync + Debug {
         SymbolFlagSet::default()
     }
 
-    fn guess_data_type(&self, _resolved: ResolvedInstructionRef) -> Option<DataType> { None }
+    fn guess_data_type(
+        &self,
+        _resolved: ResolvedInstructionRef,
+        _bytes: &[u8],
+    ) -> Option<DataType> {
+        None
+    }
 
     fn symbol_hover(&self, _obj: &Object, _symbol_index: usize) -> Vec<HoverItem> { Vec::new() }
 
@@ -284,6 +400,8 @@ pub fn new_arch(object: &object::File) -> Result<Box<dyn Arch>> {
         object::Architecture::Arm => Box::new(arm::ArchArm::new(object)?),
         #[cfg(feature = "arm64")]
         object::Architecture::Aarch64 => Box::new(arm64::ArchArm64::new(object)?),
+        #[cfg(feature = "superh")]
+        object::Architecture::SuperH => Box::new(superh::ArchSuperH::new(object)?),
         arch => bail!("Unsupported architecture: {arch:?}"),
     })
 }
@@ -296,13 +414,14 @@ impl ArchDummy {
 }
 
 impl Arch for ArchDummy {
-    fn scan_instructions(
+    fn scan_instructions_internal(
         &self,
         _address: u64,
         _code: &[u8],
         _section_index: usize,
+        _relocations: &[Relocation],
         _diff_config: &DiffObjConfig,
-    ) -> Result<Vec<ScannedInstruction>> {
+    ) -> Result<Vec<InstructionRef>> {
         Ok(Vec::new())
     }
 

objdiff-core/src/arch/ppc.rs

@@ -19,7 +19,7 @@ use crate::{
     },
     obj::{
         InstructionRef, Object, Relocation, RelocationFlags, ResolvedInstructionRef,
-        ResolvedRelocation, ScannedInstruction, Symbol, SymbolFlag, SymbolFlagSet,
+        ResolvedRelocation, Symbol, SymbolFlag, SymbolFlagSet,
     },
 };
 
@@ -82,23 +82,22 @@ impl ArchPpc {
 }
 
 impl Arch for ArchPpc {
-    fn scan_instructions(
+    fn scan_instructions_internal(
         &self,
         address: u64,
         code: &[u8],
         _section_index: usize,
+        _relocations: &[Relocation],
         _diff_config: &DiffObjConfig,
-    ) -> Result<Vec<ScannedInstruction>> {
+    ) -> Result<Vec<InstructionRef>> {
         ensure!(code.len() & 3 == 0, "Code length must be a multiple of 4");
         let ins_count = code.len() / 4;
-        let mut insts = Vec::<ScannedInstruction>::with_capacity(ins_count);
+        let mut insts = Vec::<InstructionRef>::with_capacity(ins_count);
         for (cur_addr, ins) in ppc750cl::InsIter::new(code, address as u32) {
-            insts.push(ScannedInstruction {
-                ins_ref: InstructionRef {
-                    address: cur_addr as u64,
-                    size: 4,
-                    opcode: u8::from(ins.op) as u16,
-                },
+            insts.push(InstructionRef {
+                address: cur_addr as u64,
+                size: 4,
+                opcode: u8::from(ins.op) as u16,
                 branch_dest: ins.branch_dest(cur_addr).map(u64::from),
             });
         }
@@ -220,12 +219,21 @@ impl Arch for ArchPpc {
         }
     }
 
-    fn guess_data_type(&self, resolved: ResolvedInstructionRef) -> Option<DataType> {
+    fn guess_data_type(&self, resolved: ResolvedInstructionRef, bytes: &[u8]) -> Option<DataType> {
         if resolved.relocation.is_some_and(|r| r.symbol.name.starts_with("@stringBase")) {
+            // Pooled string.
             return Some(DataType::String);
         }
         let opcode = ppc750cl::Opcode::from(resolved.ins_ref.opcode as u8);
-        guess_data_type_from_load_store_inst_op(opcode)
+        if let Some(ty) = guess_data_type_from_load_store_inst_op(opcode) {
+            // Numeric type.
+            return Some(ty);
+        }
+        if bytes.len() >= 2 && bytes.iter().position(|&c| c == b'\0') == Some(bytes.len() - 1) {
+            // It may be an unpooled string if the symbol contains exactly one null byte at the end of the symbol.
+            return Some(DataType::String);
+        }
+        None
     }
 
     fn symbol_hover(&self, _obj: &Object, symbol_index: usize) -> Vec<HoverItem> {
@@ -448,7 +456,7 @@ fn decode_exception_info(
                 log::warn!(
                     "Exception table decoding failed for function {}, reason: {}",
                     extab_func_name,
-                    e.to_string()
+                    e
                 );
                 return Ok(None);
             }
@@ -512,6 +520,7 @@ fn guess_data_type_from_load_store_inst_op(inst_op: ppc750cl::Opcode) -> Option<
     }
 }
 
+#[derive(Debug)]
 struct PoolReference {
     addr_src_gpr: ppc750cl::GPR,
     addr_offset: i16,
@@ -644,7 +653,7 @@ fn make_fake_pool_reloc(
         // example, dCcD_Cyl in The Wind Waker). So just showing that vtable symbol plus an addend
         // to represent the offset into it works fine in this case.
         target_symbol = pool_reloc.relocation.target_symbol;
-        addend = pool_reloc.relocation.addend + offset_from_pool;
+        addend = offset_from_pool;
     }
     Some(Relocation {
         flags: RelocationFlags::Elf(elf::R_PPC_NONE),

objdiff-core/src/arch/superh/mod.rs

@@ -0,0 +1,821 @@
+use alloc::{collections::BTreeMap, format, string::String, vec, vec::Vec};
+
+use anyhow::{Result, bail};
+use object::elf;
+
+use crate::{
+    arch::{Arch, superh::disasm::sh2_disasm},
+    diff::{DiffObjConfig, display::InstructionPart},
+    obj::{InstructionRef, Relocation, RelocationFlags, ResolvedInstructionRef},
+};
+
+pub mod disasm;
+
+#[derive(Debug)]
+pub struct ArchSuperH {}
+
+impl ArchSuperH {
+    pub fn new(_file: &object::File) -> Result<Self> { Ok(Self {}) }
+}
+
+struct DataInfo {
+    address: u64,
+    size: u32,
+}
+
+impl Arch for ArchSuperH {
+    fn scan_instructions_internal(
+        &self,
+        address: u64,
+        code: &[u8],
+        _section_index: usize,
+        _relocations: &[Relocation],
+        _diff_config: &DiffObjConfig,
+    ) -> Result<Vec<InstructionRef>> {
+        let mut ops = Vec::<InstructionRef>::with_capacity(code.len() / 2);
+        let mut offset = address;
+
+        for chunk in code.chunks_exact(2) {
+            let opcode = u16::from_be_bytes(chunk.try_into().unwrap());
+            let mut parts: Vec<InstructionPart> = vec![];
+            let resolved: ResolvedInstructionRef = Default::default();
+            let mut branch_dest: Option<u64> = None;
+            sh2_disasm(
+                offset.try_into().unwrap(),
+                opcode,
+                true,
+                &mut parts,
+                &resolved,
+                &mut branch_dest,
+            );
+
+            let opcode_enum: u16 = match parts.first() {
+                Some(InstructionPart::Opcode(_, val)) => *val,
+                _ => 0,
+            };
+            ops.push(InstructionRef { address: offset, size: 2, opcode: opcode_enum, branch_dest });
+            offset += 2;
+        }
+
+        Ok(ops)
+    }
+
+    fn display_instruction(
+        &self,
+        resolved: ResolvedInstructionRef,
+        _diff_config: &DiffObjConfig,
+        cb: &mut dyn FnMut(InstructionPart) -> Result<()>,
+    ) -> Result<()> {
+        let opcode = u16::from_be_bytes(resolved.code.try_into().unwrap());
+        let mut parts: Vec<InstructionPart> = vec![];
+        let mut branch_dest: Option<u64> = None;
+
+        sh2_disasm(0, opcode, true, &mut parts, &resolved, &mut branch_dest);
+
+        if let Some(symbol_data) =
+            resolved.section.data_range(resolved.symbol.address, resolved.symbol.size as usize)
+        {
+            // scan for data
+            // map of instruction offsets to data target offsets
+            let mut data_offsets = BTreeMap::<u64, DataInfo>::new();
+
+            let mut pos: u64 = 0;
+            for chunk in symbol_data.chunks_exact(2) {
+                let opcode = u16::from_be_bytes(chunk.try_into().unwrap());
+                // mov.w
+                if (opcode & 0xf000) == 0x9000 {
+                    let target = (opcode as u64 & 0xff) * 2 + 4 + pos;
+                    let data_info = DataInfo { address: target, size: 2 };
+                    data_offsets.insert(pos, data_info);
+                }
+                // mov.l
+                else if (opcode & 0xf000) == 0xd000 {
+                    let target = ((opcode as u64 & 0xff) * 4 + 4 + pos) & 0xfffffffc;
+                    let data_info = DataInfo { address: target, size: 4 };
+                    data_offsets.insert(pos, data_info);
+                }
+                pos += 2;
+            }
+
+            let pos = resolved.ins_ref.address - resolved.symbol.address;
+
+            // add the data info
+            if let Some(value) = data_offsets.get(&pos) {
+                if value.size == 2 && value.address as usize + 1 < symbol_data.len() {
+                    let data = u16::from_be_bytes(
+                        symbol_data[value.address as usize..value.address as usize + 2]
+                            .try_into()
+                            .unwrap(),
+                    );
+                    parts.push(InstructionPart::basic(" /* "));
+                    parts.push(InstructionPart::basic("0x"));
+                    parts.push(InstructionPart::basic(format!("{:04X}", data)));
+                    parts.push(InstructionPart::basic(" */"));
+                } else if value.size == 4 && value.address as usize + 3 < symbol_data.len() {
+                    let data = u32::from_be_bytes(
+                        symbol_data[value.address as usize..value.address as usize + 4]
+                            .try_into()
+                            .unwrap(),
+                    );
+                    parts.push(InstructionPart::basic(" /* "));
+                    parts.push(InstructionPart::basic("0x"));
+                    parts.push(InstructionPart::basic(format!("{:08X}", data)));
+                    parts.push(InstructionPart::basic(" */"));
+                }
+            }
+        }
+
+        for part in parts {
+            cb(part)?;
+        }
+
+        Ok(())
+    }
+
+    fn implcit_addend(
+        &self,
+        _file: &object::File<'_>,
+        _section: &object::Section,
+        address: u64,
+        _relocation: &object::Relocation,
+        flags: RelocationFlags,
+    ) -> Result<i64> {
+        bail!("Unsupported SuperH implicit relocation {:#x}:{:?}", address, flags)
+    }
+
+    fn demangle(&self, name: &str) -> Option<String> {
+        cpp_demangle::Symbol::new(name)
+            .ok()
+            .and_then(|s| s.demangle(&cpp_demangle::DemangleOptions::default()).ok())
+    }
+
+    fn reloc_name(&self, flags: RelocationFlags) -> Option<&'static str> {
+        match flags {
+            RelocationFlags::Elf(r_type) => match r_type {
+                elf::R_SH_NONE => Some("R_SH_NONE"),
+                elf::R_SH_DIR32 => Some("R_SH_DIR32"),
+                elf::R_SH_REL32 => Some("R_SH_REL32"),
+                elf::R_SH_DIR8WPN => Some("R_SH_DIR8WPN"),
+                elf::R_SH_IND12W => Some("R_SH_IND12W"),
+                elf::R_SH_DIR8WPL => Some("R_SH_DIR8WPL"),
+                elf::R_SH_DIR8WPZ => Some("R_SH_DIR8WPZ"),
+                elf::R_SH_DIR8BP => Some("R_SH_DIR8BP"),
+                elf::R_SH_DIR8W => Some("R_SH_DIR8W"),
+                elf::R_SH_DIR8L => Some("R_SH_DIR8L"),
+                elf::R_SH_SWITCH16 => Some("R_SH_SWITCH16"),
+                elf::R_SH_SWITCH32 => Some("R_SH_SWITCH32"),
+                elf::R_SH_USES => Some("R_SH_USES"),
+                elf::R_SH_COUNT => Some("R_SH_COUNT"),
+                elf::R_SH_ALIGN => Some("R_SH_ALIGN"),
+                elf::R_SH_CODE => Some("R_SH_CODE"),
+                elf::R_SH_DATA => Some("R_SH_DATA"),
+                elf::R_SH_LABEL => Some("R_SH_LABEL"),
+                elf::R_SH_SWITCH8 => Some("R_SH_SWITCH8"),
+                elf::R_SH_GNU_VTINHERIT => Some("R_SH_GNU_VTINHERIT"),
+                elf::R_SH_GNU_VTENTRY => Some("R_SH_GNU_VTENTRY"),
+                elf::R_SH_TLS_GD_32 => Some("R_SH_TLS_GD_32"),
+                elf::R_SH_TLS_LD_32 => Some("R_SH_TLS_LD_32"),
+                elf::R_SH_TLS_LDO_32 => Some("R_SH_TLS_LDO_32"),
+                elf::R_SH_TLS_IE_32 => Some("R_SH_TLS_IE_32"),
+                elf::R_SH_TLS_LE_32 => Some("R_SH_TLS_LE_32"),
+                elf::R_SH_TLS_DTPMOD32 => Some("R_SH_TLS_DTPMOD32"),
+                elf::R_SH_TLS_DTPOFF32 => Some("R_SH_TLS_DTPOFF32"),
+                elf::R_SH_TLS_TPOFF32 => Some("R_SH_TLS_TPOFF32"),
+                elf::R_SH_GOT32 => Some("R_SH_GOT32"),
+                elf::R_SH_PLT32 => Some("R_SH_PLT32"),
+                elf::R_SH_COPY => Some("R_SH_COPY"),
+                elf::R_SH_GLOB_DAT => Some("R_SH_GLOB_DAT"),
+                elf::R_SH_JMP_SLOT => Some("R_SH_JMP_SLOT"),
+                elf::R_SH_RELATIVE => Some("R_SH_RELATIVE"),
+                elf::R_SH_GOTOFF => Some("R_SH_GOTOFF"),
+                elf::R_SH_GOTPC => Some("R_SH_GOTPC"),
+                _ => None,
+            },
+            _ => None,
+        }
+    }
+
+    fn data_reloc_size(&self, flags: RelocationFlags) -> usize {
+        match flags {
+            RelocationFlags::Elf(elf::R_SH_DIR32) => 4,
+            RelocationFlags::Elf(_) => 1,
+            _ => 1,
+        }
+    }
+}
+
+#[cfg(test)]
+mod test {
+    use std::fmt::{self, Display};
+
+    use super::*;
+    use crate::obj::{InstructionArg, Section, SectionData, Symbol};
+
+    impl Display for InstructionPart<'_> {
+        fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
+            match self {
+                InstructionPart::Basic(s) => write!(f, "{}", s),
+                InstructionPart::Opcode(s, _o) => write!(f, "{} ", s),
+                InstructionPart::Arg(arg) => write!(f, "{}", arg),
+                InstructionPart::Separator => write!(f, ", "),
+            }
+        }
+    }
+
+    impl Display for InstructionArg<'_> {
+        fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
+            match self {
+                InstructionArg::Value(v) => write!(f, "{}", v),
+                InstructionArg::BranchDest(v) => write!(f, "{}", v),
+                InstructionArg::Reloc => write!(f, "reloc"),
+            }
+        }
+    }
+
+    #[test]
+    fn test_sh2_display_instruction_basic_ops() {
+        let arch = ArchSuperH {};
+        let ops: [(u16, &str); 8] = [
+            (0x0008, "clrt "),
+            (0x0028, "clrmac "),
+            (0x0019, "div0u "),
+            (0x0009, "nop "),
+            (0x002b, "rte "),
+            (0x000b, "rts "),
+            (0x0018, "sett "),
+            (0x001b, "sleep "),
+        ];
+
+        for (opcode, expected_str) in ops {
+            let code = opcode.to_be_bytes();
+            let mut parts = Vec::new();
+
+            arch.display_instruction(
+                ResolvedInstructionRef {
+                    ins_ref: InstructionRef { address: 0x1000, size: 2, opcode, branch_dest: None },
+                    code: &code,
+                    ..Default::default()
+                },
+                &DiffObjConfig::default(),
+                &mut |part| {
+                    parts.push(part.into_static());
+                    Ok(())
+                },
+            )
+            .unwrap();
+
+            let joined_str: String = parts.iter().map(|part| format!("{}", part)).collect();
+            assert_eq!(joined_str, expected_str.to_string());
+        }
+    }
+
+    #[test]
+    fn test_sh2_display_instruction_f0ff_ops() {
+        let arch = ArchSuperH {};
+        let ops: [(u16, &str); 49] = [
+            (0x4015, "cmp/pl r0"),
+            (0x4115, "cmp/pl r1"),
+            (0x4215, "cmp/pl r2"),
+            (0x4315, "cmp/pl r3"),
+            (0x4011, "cmp/pz r0"),
+            (0x4010, "dt r0"),
+            (0x0029, "movt r0"),
+            (0x4004, "rotl r0"),
+            (0x4005, "rotr r0"),
+            (0x4024, "rotcl r0"),
+            (0x4025, "rotcr r0"),
+            (0x4020, "shal r0"),
+            (0x4021, "shar r0"),
+            (0x4000, "shll r0"),
+            (0x4001, "shlr r0"),
+            (0x4008, "shll2 r0"),
+            (0x4009, "shlr2 r0"),
+            (0x4018, "shll8 r0"),
+            (0x4019, "shlr8 r0"),
+            (0x4028, "shll16 r0"),
+            (0x4029, "shlr16 r0"),
+            (0x0002, "stc sr, r0"),
+            (0x0012, "stc gbr, r0"),
+            (0x0022, "stc vbr, r0"),
+            (0x000a, "sts mach, r0"),
+            (0x001a, "sts macl, r0"),
+            (0x402a, "lds r0, pr"),
+            (0x401b, "tas.b r0"),
+            (0x4003, "stc.l sr, @-r0"),
+            (0x4013, "stc.l gbr, @-r0"),
+            (0x4023, "stc.l vbr, @-r0"),
+            (0x4002, "sts.l mach, @-r0"),
+            (0x4012, "sts.l macl, @-r0"),
+            (0x4022, "sts.l pr, @-r0"),
+            (0x400e, "ldc r0, sr"),
+            (0x401e, "ldc r0, gbr"),
+            (0x402e, "ldc r0, vbr"),
+            (0x400a, "lds r0, mach"),
+            (0x401a, "lds r0, macl"),
+            (0x402b, "jmp @r0"),
+            (0x400b, "jsr @r0"),
+            (0x4007, "ldc.l @r0+, sr"),
+            (0x4017, "ldc.l @r0+, gbr"),
+            (0x4027, "ldc.l @r0+, vbr"),
+            (0x4006, "lds.l @r0+, mach"),
+            (0x4016, "lds.l @r0+, macl"),
+            (0x4026, "lds.l @r0+, pr"),
+            (0x0023, "braf r0"),
+            (0x0003, "bsrf r0"),
+        ];
+
+        for (opcode, expected_str) in ops {
+            let code = opcode.to_be_bytes();
+            let mut parts = Vec::new();
+
+            arch.display_instruction(
+                ResolvedInstructionRef {
+                    ins_ref: InstructionRef { address: 0x1000, size: 2, opcode, branch_dest: None },
+                    code: &code,
+                    ..Default::default()
+                },
+                &DiffObjConfig::default(),
+                &mut |part| {
+                    parts.push(part.into_static());
+                    Ok(())
+                },
+            )
+            .unwrap();
+
+            let joined_str: String = parts.iter().map(|part| format!("{}", part)).collect();
+            assert_eq!(joined_str, expected_str.to_string());
+        }
+    }
+
+    #[test]
+    fn test_sh2_display_instructions_f00f() {
+        let arch = ArchSuperH {};
+        let ops: [(u16, &str); 54] = [
+            (0x300c, "add r0, r0"),
+            (0x300e, "addc r0, r0"),
+            (0x300f, "addv r0, r0"),
+            (0x2009, "and r0, r0"),
+            (0x3000, "cmp/eq r0, r0"),
+            (0x3002, "cmp/hs r0, r0"),
+            (0x3003, "cmp/ge r0, r0"),
+            (0x3006, "cmp/hi r0, r0"),
+            (0x3007, "cmp/gt r0, r0"),
+            (0x200c, "cmp/str r0, r0"),
+            (0x3004, "div1 r0, r0"),
+            (0x2007, "div0s r0, r0"),
+            (0x300d, "dmuls.l r0, r0"),
+            (0x3005, "dmulu.l r0, r0"),
+            (0x600e, "exts.b r0, r0"),
+            (0x600f, "exts.w r0, r0"),
+            (0x600c, "extu.b r0, r0"),
+            (0x600d, "extu.w r0, r0"),
+            (0x6003, "mov r0, r0"),
+            (0x0007, "mul.l r0, r0"),
+            (0x200f, "muls r0, r0"),
+            (0x200e, "mulu r0, r0"),
+            (0x600b, "neg r0, r0"),
+            (0x600a, "negc r0, r0"),
+            (0x6007, "not r0, r0"),
+            (0x200b, "or r0, r0"),
+            (0x3008, "sub r0, r0"),
+            (0x300a, "subc r0, r0"),
+            (0x300b, "subv r0, r0"),
+            (0x6008, "swap.b r0, r0"),
+            (0x6009, "swap.w r0, r0"),
+            (0x2008, "tst r0, r0"),
+            (0x200a, "xor r0, r0"),
+            (0x200d, "xtrct r0, r0"),
+            (0x2000, "mov.b r0, @r0"),
+            (0x2001, "mov.w r0, @r0"),
+            (0x2002, "mov.l r0, @r0"),
+            (0x6000, "mov.b @r0, r0"),
+            (0x6001, "mov.w @r0, r0"),
+            (0x6002, "mov.l @r0, r0"),
+            (0x000f, "mac.l @r0+, @r0+"),
+            (0x400f, "mac.w @r0+, @r0+"),
+            (0x6004, "mov.b @r0+, r0"),
+            (0x6005, "mov.w @r0+, r0"),
+            (0x6006, "mov.l @r0+, r0"),
+            (0x2004, "mov.b r0, @-r0"),
+            (0x2005, "mov.w r0, @-r0"),
+            (0x2006, "mov.l r0, @-r0"),
+            (0x0004, "mov.b r0, @(r0, r0)"),
+            (0x0005, "mov.w r0, @(r0, r0)"),
+            (0x0006, "mov.l r0, @(r0, r0)"),
+            (0x000c, "mov.b @(r0, r0), r0"),
+            (0x000d, "mov.w @(r0, r0), r0"),
+            (0x000e, "mov.l @(r0, r0), r0"),
+        ];
+
+        for (opcode, expected_str) in ops {
+            let code = opcode.to_be_bytes();
+            let mut parts = Vec::new();
+
+            arch.display_instruction(
+                ResolvedInstructionRef {
+                    ins_ref: InstructionRef { address: 0x1000, size: 2, opcode, branch_dest: None },
+                    code: &code,
+                    ..Default::default()
+                },
+                &DiffObjConfig::default(),
+                &mut |part| {
+                    parts.push(part.into_static());
+                    Ok(())
+                },
+            )
+            .unwrap();
+
+            let joined_str: String = parts.iter().map(|part| format!("{}", part)).collect();
+            assert_eq!(joined_str, expected_str.to_string());
+        }
+    }
+
+    #[test]
+    fn test_sh2_display_instruction_mov_immediate_offset() {
+        let arch = ArchSuperH {};
+        let ops: [(u16, &str); 8] = [
+            (0x8000, "mov.b r0, @(0x0, r0)"),
+            (0x8011, "mov.b r0, @(0x1, r1)"),
+            (0x8102, "mov.w r0, @(0x4, r0)"),
+            (0x8113, "mov.w r0, @(0x6, r1)"),
+            (0x8404, "mov.b @(0x4, r0), r0"),
+            (0x8415, "mov.b @(0x5, r1), r0"),
+            (0x8506, "mov.w @(0xc, r0), r0"),
+            (0x8517, "mov.w @(0xe, r1), r0"),
+        ];
+
+        for (opcode, expected_str) in ops {
+            let code = opcode.to_be_bytes();
+            let mut parts = Vec::new();
+
+            arch.display_instruction(
+                ResolvedInstructionRef {
+                    ins_ref: InstructionRef { address: 0x1000, size: 2, opcode, branch_dest: None },
+                    code: &code,
+                    ..Default::default()
+                },
+                &DiffObjConfig::default(),
+                &mut |part| {
+                    parts.push(part.into_static());
+                    Ok(())
+                },
+            )
+            .unwrap();
+
+            let joined_str: String = parts.iter().map(|part| format!("{}", part)).collect();
+            assert_eq!(joined_str, expected_str.to_string());
+        }
+    }
+
+    #[test]
+    fn test_sh2_display_instruction_gbr_and_branches() {
+        let arch = ArchSuperH {};
+        let ops: &[(u16, u32, &str)] = &[
+            (0xc000, 0x0000, "mov.b r0, @(0x0, gbr)"),
+            (0xc07f, 0x0000, "mov.b r0, @(0x7f, gbr)"),
+            (0xc100, 0x0000, "mov.w r0, @(0x0, gbr)"),
+            (0xc17f, 0x0000, "mov.w r0, @(0xfe, gbr)"),
+            (0xc200, 0x0000, "mov.l r0, @(0x0, gbr)"),
+            (0xc27f, 0x0000, "mov.l r0, @(0x1fc, gbr)"),
+            (0xc400, 0x0000, "mov.b @(0x0, gbr), r0"),
+            (0xc47f, 0x0000, "mov.b @(0x7f, gbr), r0"),
+            (0xc500, 0x0000, "mov.w @(0x0, gbr), r0"),
+            (0xc57f, 0x0000, "mov.w @(0xfe, gbr), r0"),
+            (0xc600, 0x0000, "mov.l @(0x0, gbr), r0"),
+            (0xc67f, 0x0000, "mov.l @(0x1fc, gbr), r0"),
+            (0x8b20, 0x1000, "bf 0x44"),
+            (0x8b80, 0x1000, "bf 0xffffff04"),
+            (0x8f10, 0x2000, "bf.s 0x24"),
+            (0x8f90, 0x2000, "bf.s 0xffffff24"),
+            (0x8904, 0x3000, "bt 0xc"),
+            (0x8980, 0x3000, "bt 0xffffff04"),
+            (0x8d04, 0x4000, "bt.s 0xc"),
+            (0x8d80, 0x4000, "bt.s 0xffffff04"),
+        ];
+
+        for &(opcode, addr, expected_str) in ops {
+            let code = opcode.to_be_bytes();
+            let mut parts = Vec::new();
+
+            arch.display_instruction(
+                ResolvedInstructionRef {
+                    ins_ref: InstructionRef {
+                        address: addr as u64,
+                        size: 2,
+                        opcode,
+                        branch_dest: None,
+                    },
+                    code: &code,
+                    ..Default::default()
+                },
+                &DiffObjConfig::default(),
+                &mut |part| {
+                    parts.push(part.into_static());
+                    Ok(())
+                },
+            )
+            .unwrap();
+
+            let joined_str: String = parts.iter().map(|part| format!("{}", part)).collect();
+            assert_eq!(joined_str, expected_str.to_string());
+        }
+    }
+
+    #[test]
+    fn test_sh2_display_instruction_mov_l() {
+        let arch = ArchSuperH {};
+        let ops: &[(u16, u32, &str)] = &[
+            // mov.l rX, @(0xXXX, rY)
+            (0x1000, 0x0000, "mov.l r0, @(0x0, r0)"),
+            (0x1001, 0x0000, "mov.l r0, @(0x4, r0)"),
+            (0x100f, 0x0000, "mov.l r0, @(0x3c, r0)"),
+            (0x101f, 0x0000, "mov.l r1, @(0x3c, r0)"),
+            // mov.l @(0xXXX, rY), rX
+            (0x5000, 0x0000, "mov.l @(0x0, r0), r0"),
+        ];
+
+        for &(opcode, addr, expected_str) in ops {
+            let code = opcode.to_be_bytes();
+            let mut parts = Vec::new();
+
+            arch.display_instruction(
+                ResolvedInstructionRef {
+                    ins_ref: InstructionRef {
+                        address: addr as u64,
+                        size: 2,
+                        opcode,
+                        branch_dest: None,
+                    },
+                    code: &code,
+                    ..Default::default()
+                },
+                &DiffObjConfig::default(),
+                &mut |part| {
+                    parts.push(part.into_static());
+                    Ok(())
+                },
+            )
+            .unwrap();
+
+            let joined_str: String = parts.iter().map(|part| format!("{}", part)).collect();
+            assert_eq!(joined_str, expected_str.to_string());
+        }
+    }
+
+    #[test]
+    fn test_sh2_display_instruction_bra_bsr() {
+        let arch: ArchSuperH = ArchSuperH {};
+        let ops: &[(u16, u32, &str)] = &[
+            // bra
+            (0xa000, 0x0000, "bra 0x4"),
+            (0xa001, 0x0000, "bra 0x6"),
+            (0xa800, 0x0000, "bra 0xfffff004"),
+            (0xa801, 0x0000, "bra 0xfffff006"),
+            // bsr
+            (0xb000, 0x0000, "bsr 0x4"),
+            (0xb001, 0x0000, "bsr 0x6"),
+            (0xb800, 0x0000, "bsr 0xfffff004"),
+            (0xb801, 0x0000, "bsr 0xfffff006"),
+        ];
+
+        for &(opcode, addr, expected_str) in ops {
+            let code = opcode.to_be_bytes();
+            let mut parts = Vec::new();
+
+            arch.display_instruction(
+                ResolvedInstructionRef {
+                    ins_ref: InstructionRef {
+                        address: addr as u64,
+                        size: 2,
+                        opcode,
+                        branch_dest: None,
+                    },
+                    code: &code,
+                    ..Default::default()
+                },
+                &DiffObjConfig::default(),
+                &mut |part| {
+                    parts.push(part.into_static());
+                    Ok(())
+                },
+            )
+            .unwrap();
+
+            let joined_str: String = parts.iter().map(|part| format!("{}", part)).collect();
+            assert_eq!(joined_str, expected_str.to_string());
+        }
+    }
+
+    #[test]
+    fn test_sh2_display_instruction_operations() {
+        let arch = ArchSuperH {};
+        let ops: &[(u16, u32, &str)] = &[
+            (0xcdff, 0x0000, "and.b #0xff, @(r0, gbr)"),
+            (0xcfff, 0x0000, "or.b #0xff, @(r0, gbr)"),
+            (0xccff, 0x0000, "tst.b #0xff, @(r0, gbr)"),
+            (0xceff, 0x0000, "xor.b #0xff, @(r0, gbr)"),
+            (0xc9ff, 0x0000, "and #0xff, r0"),
+            (0x88ff, 0x0000, "cmp/eq #0xff, r0"),
+            (0xcbff, 0x0000, "or #0xff, r0"),
+            (0xc8ff, 0x0000, "tst #0xff, r0"),
+            (0xcaff, 0x0000, "xor #0xff, r0"),
+            (0xc3ff, 0x0000, "trapa #0xff"),
+        ];
+
+        for &(opcode, addr, expected_str) in ops {
+            let code = opcode.to_be_bytes();
+            let mut parts = Vec::new();
+
+            arch.display_instruction(
+                ResolvedInstructionRef {
+                    ins_ref: InstructionRef {
+                        address: addr as u64,
+                        size: 2,
+                        opcode,
+                        branch_dest: None,
+                    },
+                    code: &code,
+                    ..Default::default()
+                },
+                &DiffObjConfig::default(),
+                &mut |part| {
+                    parts.push(part.into_static());
+                    Ok(())
+                },
+            )
+            .unwrap();
+
+            let joined_str: String = parts.iter().map(|part| format!("{}", part)).collect();
+            assert_eq!(joined_str, expected_str.to_string());
+        }
+    }
+
+    #[test]
+    fn test_sh2_add_mov_unknown_instructions() {
+        let arch = ArchSuperH {};
+        let ops: &[(u16, u32, &str)] = &[
+            (0x70FF, 0x0000, "add #0xff, r0"),
+            (0xE0FF, 0x0000, "mov #0xff, r0"),
+            (0x0000, 0x0000, ".word 0x0000 /* unknown instruction */"),
+        ];
+
+        for &(opcode, addr, expected_str) in ops {
+            let code = opcode.to_be_bytes();
+            let mut parts = Vec::new();
+
+            arch.display_instruction(
+                ResolvedInstructionRef {
+                    ins_ref: InstructionRef {
+                        address: addr as u64,
+                        size: 2,
+                        opcode,
+                        branch_dest: None,
+                    },
+                    code: &code,
+                    ..Default::default()
+                },
+                &DiffObjConfig::default(),
+                &mut |part| {
+                    parts.push(part.into_static());
+                    Ok(())
+                },
+            )
+            .unwrap();
+
+            let joined_str: String = parts.iter().map(|part| format!("{}", part)).collect();
+            assert_eq!(joined_str, expected_str.to_string());
+        }
+    }
+
+    #[test]
+    fn test_sh2_mov_instructions_with_labels() {
+        let arch = ArchSuperH {};
+        let ops: &[(u16, u32, &str)] =
+            &[(0x9000, 0x0000, "mov.w @(0x4, pc), r0"), (0xd000, 0x0000, "mov.l @(0x4, pc), r0")];
+
+        for &(opcode, addr, expected_str) in ops {
+            let code = opcode.to_be_bytes();
+            let mut parts = Vec::new();
+
+            arch.display_instruction(
+                ResolvedInstructionRef {
+                    ins_ref: InstructionRef {
+                        address: addr as u64,
+                        size: 2,
+                        opcode,
+                        branch_dest: None,
+                    },
+                    code: &code,
+                    ..Default::default()
+                },
+                &DiffObjConfig::default(),
+                &mut |part| {
+                    parts.push(part.into_static());
+                    Ok(())
+                },
+            )
+            .unwrap();
+
+            let joined_str: String = parts.iter().map(|part| format!("{}", part)).collect();
+            assert_eq!(joined_str, expected_str.to_string());
+        }
+    }
+
+    #[test]
+    fn test_func_0606_f378_mov_w_data_labeling() {
+        let arch = ArchSuperH {};
+        let ops: &[(u16, u32, &str)] = &[(0x9000, 0x0606F378, "mov.w @(0x4, pc), r0 /* 0x00B0 */")];
+
+        let mut code = Vec::new();
+        code.extend_from_slice(&0x9000_u16.to_be_bytes());
+        code.extend_from_slice(&0x0009_u16.to_be_bytes());
+        code.extend_from_slice(&0x00B0_u16.to_be_bytes());
+
+        for &(opcode, addr, expected_str) in ops {
+            let mut parts = Vec::new();
+
+            arch.display_instruction(
+                ResolvedInstructionRef {
+                    ins_ref: InstructionRef {
+                        address: addr as u64,
+                        size: 2,
+                        opcode,
+                        branch_dest: None,
+                    },
+                    code: &opcode.to_be_bytes(),
+                    symbol: &Symbol {
+                        address: 0x0606F378, // func base address
+                        size: code.len() as u64,
+                        ..Default::default()
+                    },
+                    section: &Section {
+                        address: 0x0606F378,
+                        size: code.len() as u64,
+                        data: SectionData(code.clone()),
+                        ..Default::default()
+                    },
+                    ..Default::default()
+                },
+                &DiffObjConfig::default(),
+                &mut |part| {
+                    parts.push(part.into_static());
+                    Ok(())
+                },
+            )
+            .unwrap();
+
+            let joined_str: String = parts.iter().map(|part| format!("{}", part)).collect();
+            assert_eq!(joined_str, expected_str.to_string());
+        }
+    }
+
+    #[test]
+    fn test_func_0606_f378_mov_l_data_labeling() {
+        let arch = ArchSuperH {};
+        let ops: &[(u16, u32, &str)] =
+            &[(0xd000, 0x0606F378, "mov.l @(0x4, pc), r0 /* 0x00B000B0 */")];
+
+        let mut code = Vec::new();
+        code.extend_from_slice(&0xd000_u16.to_be_bytes());
+        code.extend_from_slice(&0x0009_u16.to_be_bytes());
+        code.extend_from_slice(&0x00B0_u16.to_be_bytes());
+        code.extend_from_slice(&0x00B0_u16.to_be_bytes());
+
+        for &(opcode, addr, expected_str) in ops {
+            let mut parts = Vec::new();
+
+            arch.display_instruction(
+                ResolvedInstructionRef {
+                    ins_ref: InstructionRef {
+                        address: addr as u64,
+                        size: 2,
+                        opcode,
+                        branch_dest: None,
+                    },
+                    code: &opcode.to_be_bytes(),
+                    symbol: &Symbol {
+                        address: 0x0606F378, // func base address
+                        size: code.len() as u64,
+                        ..Default::default()
+                    },
+                    section: &Section {
+                        address: 0x0606F378,
+                        size: code.len() as u64,
+                        data: SectionData(code.clone()),
+                        ..Default::default()
+                    },
+                    ..Default::default()
+                },
+                &DiffObjConfig::default(),
+                &mut |part| {
+                    parts.push(part.into_static());
+                    Ok(())
+                },
+            )
+            .unwrap();
+
+            let joined_str: String = parts.iter().map(|part| format!("{}", part)).collect();
+            assert_eq!(joined_str, expected_str.to_string());
+        }
+    }
+}

objdiff-core/src/arch/x86.rs

@@ -1,16 +1,17 @@
-use alloc::{boxed::Box, string::String, vec::Vec};
+use alloc::{boxed::Box, format, string::String, vec::Vec};
+use core::cmp::Ordering;
 
-use anyhow::{Result, anyhow, bail};
+use anyhow::{Context, Result, anyhow, bail};
 use iced_x86::{
     Decoder, DecoderOptions, DecoratorKind, FormatterOutput, FormatterTextKind, GasFormatter,
     Instruction, IntelFormatter, MasmFormatter, NasmFormatter, NumberKind, OpKind, Register,
 };
-use object::{Endian as _, Object as _, ObjectSection as _, pe};
+use object::{Endian as _, Object as _, ObjectSection as _, elf, pe};
 
 use crate::{
     arch::Arch,
     diff::{DiffObjConfig, X86Formatter, display::InstructionPart},
-    obj::{InstructionRef, RelocationFlags, ResolvedInstructionRef, ScannedInstruction},
+    obj::{InstructionRef, Relocation, RelocationFlags, ResolvedInstructionRef},
 };
 
 #[derive(Debug)]
@@ -66,7 +67,11 @@ impl ArchX86 {
                     pe::IMAGE_REL_I386_DIR32 | pe::IMAGE_REL_I386_REL32 => Some(4),
                     _ => None,
                 },
-                _ => None,
+                RelocationFlags::Elf(typ) => match typ {
+                    elf::R_386_32 | elf::R_386_PC32 => Some(4),
+                    elf::R_386_16 => Some(2),
+                    _ => None,
+                },
             },
             Architecture::X86_64 => match flags {
                 RelocationFlags::Coff(typ) => match typ {
@@ -74,24 +79,58 @@ impl ArchX86 {
                     pe::IMAGE_REL_AMD64_ADDR64 => Some(8),
                     _ => None,
                 },
-                _ => None,
+                RelocationFlags::Elf(typ) => match typ {
+                    elf::R_X86_64_PC32 => Some(4),
+                    elf::R_X86_64_64 => Some(8),
+                    _ => None,
+                },
             },
         }
     }
 }
 
+const DATA_OPCODE: u16 = u16::MAX - 1;
+
 impl Arch for ArchX86 {
-    fn scan_instructions(
+    fn scan_instructions_internal(
         &self,
         address: u64,
         code: &[u8],
         _section_index: usize,
+        relocations: &[Relocation],
         _diff_config: &DiffObjConfig,
-    ) -> Result<Vec<ScannedInstruction>> {
+    ) -> Result<Vec<InstructionRef>> {
         let mut out = Vec::with_capacity(code.len() / 2);
         let mut decoder = self.decoder(code, address);
         let mut instruction = Instruction::default();
-        while decoder.can_decode() {
+        let mut reloc_iter = relocations.iter().peekable();
+        'outer: while decoder.can_decode() {
+            let address = decoder.ip();
+            while let Some(reloc) = reloc_iter.peek() {
+                match reloc.address.cmp(&address) {
+                    Ordering::Less => {
+                        reloc_iter.next();
+                    }
+                    Ordering::Equal => {
+                        // If the instruction starts at a relocation, it's inline data
+                        let size = self.reloc_size(reloc.flags).with_context(|| {
+                            format!("Unsupported inline x86 relocation {:?}", reloc.flags)
+                        })?;
+                        if decoder.set_position(decoder.position() + size).is_ok() {
+                            decoder.set_ip(address + size as u64);
+                            out.push(InstructionRef {
+                                address,
+                                size: size as u8,
+                                opcode: DATA_OPCODE,
+                                branch_dest: None,
+                            });
+                            reloc_iter.next();
+                            continue 'outer;
+                        }
+                    }
+                    Ordering::Greater => break,
+                }
+            }
             decoder.decode_out(&mut instruction);
             let branch_dest = match instruction.op0_kind() {
                 OpKind::NearBranch16 => Some(instruction.near_branch16() as u64),
@@ -99,12 +138,10 @@ impl Arch for ArchX86 {
                 OpKind::NearBranch64 => Some(instruction.near_branch64()),
                 _ => None,
             };
-            out.push(ScannedInstruction {
-                ins_ref: InstructionRef {
-                    address: instruction.ip(),
-                    size: instruction.len() as u8,
-                    opcode: instruction.mnemonic() as u16,
-                },
+            out.push(InstructionRef {
+                address,
+                size: instruction.len() as u8,
+                opcode: instruction.mnemonic() as u16,
                 branch_dest,
             });
         }
@@ -117,6 +154,21 @@ impl Arch for ArchX86 {
         diff_config: &DiffObjConfig,
         cb: &mut dyn FnMut(InstructionPart) -> Result<()>,
     ) -> Result<()> {
+        if resolved.ins_ref.opcode == DATA_OPCODE {
+            let (mnemonic, imm) = match resolved.ins_ref.size {
+                2 => (".word", self.endianness.read_u16_bytes(resolved.code.try_into()?) as u64),
+                4 => (".dword", self.endianness.read_u32_bytes(resolved.code.try_into()?) as u64),
+                _ => bail!("Unsupported x86 inline data size {}", resolved.ins_ref.size),
+            };
+            cb(InstructionPart::opcode(mnemonic, DATA_OPCODE))?;
+            if resolved.relocation.is_some() {
+                cb(InstructionPart::reloc())?;
+            } else {
+                cb(InstructionPart::unsigned(imm))?;
+            }
+            return Ok(());
+        }
+
         let mut decoder = self.decoder(resolved.code, resolved.ins_ref.address);
         let mut formatter = self.formatter(diff_config);
         let mut instruction = Instruction::default();
@@ -183,7 +235,8 @@ impl Arch for ArchX86 {
     ) -> Result<i64> {
         match self.arch {
             Architecture::X86 => match flags {
-                RelocationFlags::Coff(pe::IMAGE_REL_I386_DIR32 | pe::IMAGE_REL_I386_REL32) => {
+                RelocationFlags::Coff(pe::IMAGE_REL_I386_DIR32 | pe::IMAGE_REL_I386_REL32)
+                | RelocationFlags::Elf(elf::R_386_32 | elf::R_386_PC32) => {
                     let data =
                         section.data()?[address as usize..address as usize + 4].try_into()?;
                     Ok(self.endianness.read_i32_bytes(data) as i64)
@@ -191,12 +244,14 @@ impl Arch for ArchX86 {
                 flags => bail!("Unsupported x86 implicit relocation {flags:?}"),
             },
             Architecture::X86_64 => match flags {
-                RelocationFlags::Coff(pe::IMAGE_REL_AMD64_ADDR32NB | pe::IMAGE_REL_AMD64_REL32) => {
+                RelocationFlags::Coff(pe::IMAGE_REL_AMD64_ADDR32NB | pe::IMAGE_REL_AMD64_REL32)
+                | RelocationFlags::Elf(elf::R_X86_64_32 | elf::R_X86_64_PC32) => {
                     let data =
                         section.data()?[address as usize..address as usize + 4].try_into()?;
                     Ok(self.endianness.read_i32_bytes(data) as i64)
                 }
-                RelocationFlags::Coff(pe::IMAGE_REL_AMD64_ADDR64) => {
+                RelocationFlags::Coff(pe::IMAGE_REL_AMD64_ADDR64)
+                | RelocationFlags::Elf(elf::R_X86_64_64) => {
                     let data =
                         section.data()?[address as usize..address as usize + 8].try_into()?;
                     Ok(self.endianness.read_i64_bytes(data))
@@ -329,6 +384,7 @@ impl FormatterOutput for InstructionFormatterOutput<'_> {
                     (NumberKind::Int8 | NumberKind::UInt8, 1)
                     | (NumberKind::Int16 | NumberKind::UInt16, 2)
                     | (NumberKind::Int32 | NumberKind::UInt32, 4)
+                    | (NumberKind::Int64 | NumberKind::UInt64, 4) // x86_64
                     | (NumberKind::Int64 | NumberKind::UInt64, 8) => true,
                     _ => false,
                 }
@@ -406,15 +462,16 @@ mod test {
             0xc7, 0x85, 0x68, 0xff, 0xff, 0xff, 0x00, 0x00, 0x00, 0x00, 0x8b, 0x04, 0x85, 0x00,
             0x00, 0x00, 0x00,
         ];
-        let scanned = arch.scan_instructions(0, &code, 0, &DiffObjConfig::default()).unwrap();
+        let scanned =
+            arch.scan_instructions_internal(0, &code, 0, &[], &DiffObjConfig::default()).unwrap();
         assert_eq!(scanned.len(), 2);
-        assert_eq!(scanned[0].ins_ref.address, 0);
-        assert_eq!(scanned[0].ins_ref.size, 10);
-        assert_eq!(scanned[0].ins_ref.opcode, iced_x86::Mnemonic::Mov as u16);
+        assert_eq!(scanned[0].address, 0);
+        assert_eq!(scanned[0].size, 10);
+        assert_eq!(scanned[0].opcode, iced_x86::Mnemonic::Mov as u16);
         assert_eq!(scanned[0].branch_dest, None);
-        assert_eq!(scanned[1].ins_ref.address, 10);
-        assert_eq!(scanned[1].ins_ref.size, 7);
-        assert_eq!(scanned[1].ins_ref.opcode, iced_x86::Mnemonic::Mov as u16);
+        assert_eq!(scanned[1].address, 10);
+        assert_eq!(scanned[1].size, 7);
+        assert_eq!(scanned[1].opcode, iced_x86::Mnemonic::Mov as u16);
         assert_eq!(scanned[1].branch_dest, None);
     }
 
@@ -426,7 +483,7 @@ mod test {
         let mut parts = Vec::new();
         arch.display_instruction(
             ResolvedInstructionRef {
-                ins_ref: InstructionRef { address: 0x1234, size: 10, opcode },
+                ins_ref: InstructionRef { address: 0x1234, size: 10, opcode, branch_dest: None },
                 code: &code,
                 ..Default::default()
             },
@@ -462,7 +519,7 @@ mod test {
         let mut parts = Vec::new();
         arch.display_instruction(
             ResolvedInstructionRef {
-                ins_ref: InstructionRef { address: 0x1234, size: 10, opcode },
+                ins_ref: InstructionRef { address: 0x1234, size: 10, opcode, branch_dest: None },
                 code: &code,
                 relocation: Some(ResolvedRelocation {
                     relocation: &Relocation {
@@ -507,7 +564,7 @@ mod test {
         let mut parts = Vec::new();
         arch.display_instruction(
             ResolvedInstructionRef {
-                ins_ref: InstructionRef { address: 0x1234, size: 7, opcode },
+                ins_ref: InstructionRef { address: 0x1234, size: 7, opcode, branch_dest: None },
                 code: &code,
                 relocation: Some(ResolvedRelocation {
                     relocation: &Relocation {
@@ -550,7 +607,7 @@ mod test {
         let mut parts = Vec::new();
         arch.display_instruction(
             ResolvedInstructionRef {
-                ins_ref: InstructionRef { address: 0x1234, size: 5, opcode },
+                ins_ref: InstructionRef { address: 0x1234, size: 5, opcode, branch_dest: None },
                 code: &code,
                 relocation: Some(ResolvedRelocation {
                     relocation: &Relocation {
@@ -581,7 +638,7 @@ mod test {
         let mut parts = Vec::new();
         arch.display_instruction(
             ResolvedInstructionRef {
-                ins_ref: InstructionRef { address: 0x1234, size: 6, opcode },
+                ins_ref: InstructionRef { address: 0x1234, size: 6, opcode, branch_dest: None },
                 code: &code,
                 relocation: Some(ResolvedRelocation {
                     relocation: &Relocation {
@@ -611,4 +668,74 @@ mod test {
             InstructionPart::basic("]"),
         ]);
     }
+
+    #[test]
+    fn test_process_x86_64_instruction_with_reloc_1() {
+        let arch = ArchX86 { arch: Architecture::X86_64, endianness: object::Endianness::Little };
+        let code = [0x48, 0x8b, 0x05, 0x00, 0x00, 0x00, 0x00];
+        let opcode = iced_x86::Mnemonic::Mov as u16;
+        let mut parts = Vec::new();
+        arch.display_instruction(
+            ResolvedInstructionRef {
+                ins_ref: InstructionRef { address: 0x1234, size: 7, opcode, branch_dest: None },
+                code: &code,
+                relocation: Some(ResolvedRelocation {
+                    relocation: &Relocation {
+                        flags: RelocationFlags::Coff(pe::IMAGE_REL_AMD64_REL32),
+                        address: 0x1234 + 3,
+                        target_symbol: 0,
+                        addend: 0,
+                    },
+                    symbol: &Default::default(),
+                }),
+                ..Default::default()
+            },
+            &DiffObjConfig::default(),
+            &mut |part| {
+                parts.push(part.into_static());
+                Ok(())
+            },
+        )
+        .unwrap();
+        assert_eq!(parts, &[
+            InstructionPart::opcode("mov", opcode),
+            InstructionPart::opaque("rax"),
+            InstructionPart::basic(","),
+            InstructionPart::basic(" "),
+            InstructionPart::basic("["),
+            InstructionPart::reloc(),
+            InstructionPart::basic("]"),
+        ]);
+    }
+
+    #[test]
+    fn test_process_x86_64_instruction_with_reloc_2() {
+        let arch = ArchX86 { arch: Architecture::X86_64, endianness: object::Endianness::Little };
+        let code = [0xe8, 0x00, 0x00, 0x00, 0x00];
+        let opcode = iced_x86::Mnemonic::Call as u16;
+        let mut parts = Vec::new();
+        arch.display_instruction(
+            ResolvedInstructionRef {
+                ins_ref: InstructionRef { address: 0x1234, size: 5, opcode, branch_dest: None },
+                code: &code,
+                relocation: Some(ResolvedRelocation {
+                    relocation: &Relocation {
+                        flags: RelocationFlags::Coff(pe::IMAGE_REL_AMD64_REL32),
+                        address: 0x1234 + 1,
+                        target_symbol: 0,
+                        addend: 0,
+                    },
+                    symbol: &Default::default(),
+                }),
+                ..Default::default()
+            },
+            &DiffObjConfig::default(),
+            &mut |part| {
+                parts.push(part.into_static());
+                Ok(())
+            },
+        )
+        .unwrap();
+        assert_eq!(parts, &[InstructionPart::opcode("call", opcode), InstructionPart::reloc()]);
+    }
 }

objdiff-core/src/bindings/report.rs

@@ -434,6 +434,7 @@ impl From<LegacyReportItem> for ReportItem {
                 demangled_name: value.demangled_name,
                 virtual_address: value.address,
             }),
+            address: None,
         }
     }
 }

objdiff-core/src/diff/code.rs

@@ -14,15 +14,15 @@ use super::{
 };
 use crate::obj::{
     InstructionArg, InstructionArgValue, InstructionRef, Object, ResolvedInstructionRef,
-    ResolvedRelocation, ScannedInstruction, SymbolFlag, SymbolKind,
+    ResolvedRelocation, ResolvedSymbol, SymbolFlag, SymbolKind,
 };
 
 pub fn no_diff_code(
     obj: &Object,
-    symbol_idx: usize,
+    symbol_index: usize,
     diff_config: &DiffObjConfig,
 ) -> Result<SymbolDiff> {
-    let symbol = &obj.symbols[symbol_idx];
+    let symbol = &obj.symbols[symbol_index];
     let section_index = symbol.section.ok_or_else(|| anyhow!("Missing section for symbol"))?;
     let section = &obj.sections[section_index];
     let data = section.data_range(symbol.address, symbol.size as usize).ok_or_else(|| {
@@ -32,13 +32,15 @@ pub fn no_diff_code(
             symbol.address + symbol.size
         )
     })?;
-    let ops = obj.arch.scan_instructions(symbol.address, data, section_index, diff_config)?;
+    let ops = obj.arch.scan_instructions(
+        ResolvedSymbol { obj, symbol_index, symbol, section_index, section, data },
+        diff_config,
+    )?;
     let mut instruction_rows = Vec::<InstructionDiffRow>::new();
     for i in &ops {
-        instruction_rows
-            .push(InstructionDiffRow { ins_ref: Some(i.ins_ref), ..Default::default() });
+        instruction_rows.push(InstructionDiffRow { ins_ref: Some(*i), ..Default::default() });
     }
-    resolve_branches(obj, section_index, &ops, &mut instruction_rows);
+    resolve_branches(&ops, &mut instruction_rows);
     Ok(SymbolDiff { target_symbol: None, match_percent: None, diff_score: None, instruction_rows })
 }
 
@@ -86,20 +88,30 @@ pub fn diff_code(
     let left_section_idx = left_symbol.section.unwrap();
     let right_section_idx = right_symbol.section.unwrap();
     let left_ops = left_obj.arch.scan_instructions(
-        left_symbol.address,
-        left_data,
-        left_section_idx,
+        ResolvedSymbol {
+            obj: left_obj,
+            symbol_index: left_symbol_idx,
+            symbol: left_symbol,
+            section_index: left_section_idx,
+            section: left_section,
+            data: left_data,
+        },
         diff_config,
     )?;
     let right_ops = right_obj.arch.scan_instructions(
-        right_symbol.address,
-        right_data,
-        right_section_idx,
+        ResolvedSymbol {
+            obj: right_obj,
+            symbol_index: right_symbol_idx,
+            symbol: right_symbol,
+            section_index: right_section_idx,
+            section: right_section,
+            data: right_data,
+        },
         diff_config,
     )?;
     let (mut left_rows, mut right_rows) = diff_instructions(&left_ops, &right_ops)?;
-    resolve_branches(left_obj, left_section_idx, &left_ops, &mut left_rows);
-    resolve_branches(right_obj, right_section_idx, &right_ops, &mut right_rows);
+    resolve_branches(&left_ops, &mut left_rows);
+    resolve_branches(&right_ops, &mut right_rows);
 
     let mut diff_state = InstructionDiffState::default();
     for (left_row, right_row) in left_rows.iter_mut().zip(right_rows.iter_mut()) {
@@ -146,21 +158,21 @@ pub fn diff_code(
 }
 
 fn diff_instructions(
-    left_insts: &[ScannedInstruction],
-    right_insts: &[ScannedInstruction],
+    left_insts: &[InstructionRef],
+    right_insts: &[InstructionRef],
 ) -> Result<(Vec<InstructionDiffRow>, Vec<InstructionDiffRow>)> {
-    let left_ops = left_insts.iter().map(|i| i.ins_ref.opcode).collect::<Vec<_>>();
-    let right_ops = right_insts.iter().map(|i| i.ins_ref.opcode).collect::<Vec<_>>();
+    let left_ops = left_insts.iter().map(|i| i.opcode).collect::<Vec<_>>();
+    let right_ops = right_insts.iter().map(|i| i.opcode).collect::<Vec<_>>();
     let ops = similar::capture_diff_slices(similar::Algorithm::Patience, &left_ops, &right_ops);
     if ops.is_empty() {
         ensure!(left_insts.len() == right_insts.len());
         let left_diff = left_insts
             .iter()
-            .map(|i| InstructionDiffRow { ins_ref: Some(i.ins_ref), ..Default::default() })
+            .map(|i| InstructionDiffRow { ins_ref: Some(*i), ..Default::default() })
             .collect();
         let right_diff = right_insts
             .iter()
-            .map(|i| InstructionDiffRow { ins_ref: Some(i.ins_ref), ..Default::default() })
+            .map(|i| InstructionDiffRow { ins_ref: Some(*i), ..Default::default() })
             .collect();
         return Ok((left_diff, right_diff));
     }
@@ -179,14 +191,17 @@ fn diff_instructions(
     for op in ops {
         let (_tag, left_range, right_range) = op.as_tag_tuple();
         let len = left_range.len().max(right_range.len());
-        left_diff.extend(left_range.clone().map(|i| InstructionDiffRow {
-            ins_ref: Some(left_insts[i].ins_ref),
-            ..Default::default()
-        }));
-        right_diff.extend(right_range.clone().map(|i| InstructionDiffRow {
-            ins_ref: Some(right_insts[i].ins_ref),
-            ..Default::default()
-        }));
+        left_diff.extend(
+            left_range
+                .clone()
+                .map(|i| InstructionDiffRow { ins_ref: Some(left_insts[i]), ..Default::default() }),
+        );
+        right_diff.extend(
+            right_range.clone().map(|i| InstructionDiffRow {
+                ins_ref: Some(right_insts[i]),
+                ..Default::default()
+            }),
+        );
         if left_range.len() < len {
             left_diff.extend((left_range.len()..len).map(|_| InstructionDiffRow::default()));
         }
@@ -207,13 +222,7 @@ fn arg_to_string(arg: &InstructionArg, reloc: Option<ResolvedRelocation>) -> Str
     }
 }
 
-fn resolve_branches(
-    obj: &Object,
-    section_index: usize,
-    ops: &[ScannedInstruction],
-    rows: &mut [InstructionDiffRow],
-) {
-    let section = &obj.sections[section_index];
+fn resolve_branches(ops: &[InstructionRef], rows: &mut [InstructionDiffRow]) {
     let mut branch_idx = 0u32;
     // Map addresses to indices
     let mut addr_map = BTreeMap::<u64, u32>::new();
@@ -227,17 +236,7 @@ fn resolve_branches(
     for ((i, ins_diff), ins) in
         rows.iter_mut().enumerate().filter(|(_, row)| row.ins_ref.is_some()).zip(ops)
     {
-        let branch_dest = if let Some(resolved) = section.relocation_at(obj, ins.ins_ref) {
-            if resolved.symbol.section == Some(section_index) {
-                // If the relocation target is in the same section, use it as the branch destination
-                resolved.symbol.address.checked_add_signed(resolved.relocation.addend)
-            } else {
-                None
-            }
-        } else {
-            ins.branch_dest
-        };
-        if let Some(ins_idx) = branch_dest.and_then(|a| addr_map.get(&a).copied()) {
+        if let Some(ins_idx) = ins.branch_dest.and_then(|a| addr_map.get(&a).copied()) {
             match branches.entry(ins_idx) {
                 btree_map::Entry::Vacant(e) => {
                     ins_diff.branch_to = Some(InstructionBranchTo { ins_idx, branch_idx });
@@ -322,15 +321,15 @@ fn reloc_eq(
                     || address_eq(left_reloc, right_reloc))
                 && (diff_config.function_reloc_diffs == FunctionRelocDiffs::NameAddress
                     || left_reloc.symbol.kind != SymbolKind::Object
+                    || right_reloc.symbol.size == 0 // Likely a pool symbol like ...data, don't treat this as a diff
                     || display_ins_data_literals(left_obj, left_ins)
                         == display_ins_data_literals(right_obj, right_ins))
         }
-        (Some(_), None) => false,
         (None, Some(_)) => {
             // Match if possibly stripped weak symbol
             symbol_name_addend_matches && right_reloc.symbol.flags.contains(SymbolFlag::Weak)
         }
-        (None, None) => symbol_name_addend_matches,
+        (Some(_), None) | (None, None) => symbol_name_addend_matches,
     }
 }
 

objdiff-core/src/diff/data.rs

@@ -53,12 +53,11 @@ fn reloc_eq(
             section_name_eq(left_obj, right_obj, sl, sr)
                 && (symbol_name_addend_matches || address_eq(left, right))
         }
-        (Some(_), None) => false,
         (None, Some(_)) => {
             // Match if possibly stripped weak symbol
             symbol_name_addend_matches && right.symbol.flags.contains(SymbolFlag::Weak)
         }
-        (None, None) => symbol_name_addend_matches,
+        (Some(_), None) | (None, None) => symbol_name_addend_matches,
     }
 }
 
@@ -274,7 +273,6 @@ pub fn diff_data_section(
         // We only do this when all relocations on the left side match.
         if left_section_diff.match_percent.unwrap_or(-1.0) < match_percent {
             left_section_diff.match_percent = Some(match_percent);
-            right_section_diff.match_percent = Some(match_percent);
         }
     }
     Ok((left_section_diff, right_section_diff))
@@ -413,7 +411,7 @@ pub fn diff_generic_section(
     };
     Ok((
         SectionDiff { match_percent: Some(match_percent), data_diff: vec![], reloc_diff: vec![] },
-        SectionDiff { match_percent: Some(match_percent), data_diff: vec![], reloc_diff: vec![] },
+        SectionDiff { match_percent: None, data_diff: vec![], reloc_diff: vec![] },
     ))
 }
 
@@ -454,7 +452,7 @@ pub fn diff_bss_section(
 
     Ok((
         SectionDiff { match_percent: Some(match_percent), data_diff: vec![], reloc_diff: vec![] },
-        SectionDiff { match_percent: Some(match_percent), data_diff: vec![], reloc_diff: vec![] },
+        SectionDiff { match_percent: None, data_diff: vec![], reloc_diff: vec![] },
     ))
 }
 

objdiff-core/src/diff/display.rs

@@ -77,7 +77,7 @@ impl<'a> DiffTextSegment<'a> {
 const EOL_SEGMENT: DiffTextSegment<'static> =
     DiffTextSegment { text: DiffText::Eol, color: DiffTextColor::Normal, pad_to: 0 };
 
-#[derive(Debug, Default, Clone, PartialEq, Eq)]
+#[derive(Debug, Default, Clone)]
 pub enum HighlightKind {
     #[default]
     None,
@@ -205,16 +205,18 @@ pub fn display_row(
         InstructionPart::Arg(arg) => {
             let diff_index = ins_row.arg_diff.get(arg_idx).copied().unwrap_or_default();
             arg_idx += 1;
-            match arg {
-                InstructionArg::Value(value) => cb(DiffTextSegment {
+            if arg == InstructionArg::Reloc {
+                displayed_relocation = true;
+            }
+            match (arg, resolved.ins_ref.branch_dest) {
+                (InstructionArg::Value(value), _) => cb(DiffTextSegment {
                     text: DiffText::Argument(value),
                     color: diff_index
                         .get()
                         .map_or(base_color, |i| DiffTextColor::Rotating(i as u8)),
                     pad_to: 0,
                 }),
-                InstructionArg::Reloc => {
-                    displayed_relocation = true;
+                (InstructionArg::Reloc, None) => {
                     let resolved = resolved.relocation.unwrap();
                     let color = diff_index
                         .get()
@@ -233,7 +235,9 @@ pub fn display_row(
                     }
                     Ok(())
                 }
-                InstructionArg::BranchDest(dest) => {
+                (InstructionArg::BranchDest(dest), _) |
+                // If the relocation was resolved to a branch destination, emit that instead.
+                (InstructionArg::Reloc, Some(dest))  => {
                     if let Some(addr) = dest.checked_sub(resolved.symbol.address) {
                         cb(DiffTextSegment {
                             text: DiffText::BranchDest(addr),
@@ -284,6 +288,18 @@ pub fn display_row(
     Ok(())
 }
 
+impl PartialEq<HighlightKind> for HighlightKind {
+    fn eq(&self, other: &HighlightKind) -> bool {
+        match (self, other) {
+            (HighlightKind::Opcode(a), HighlightKind::Opcode(b)) => a == b,
+            (HighlightKind::Argument(a), HighlightKind::Argument(b)) => a.loose_eq(b),
+            (HighlightKind::Symbol(a), HighlightKind::Symbol(b)) => a == b,
+            (HighlightKind::Address(a), HighlightKind::Address(b)) => a == b,
+            _ => false,
+        }
+    }
+}
+
 impl PartialEq<DiffText<'_>> for HighlightKind {
     fn eq(&self, other: &DiffText) -> bool {
         match (self, other) {
@@ -325,10 +341,14 @@ pub enum SymbolNavigationKind {
     Extab,
 }
 
+#[derive(Debug, Clone, Default, Eq, PartialEq)]
 pub enum HoverItemColor {
-    Normal,     // Gray
+    #[default]
+    Normal, // Gray
     Emphasized, // White
     Special,    // Blue
+    Delete,     // Red
+    Insert,     // Green
 }
 
 pub enum HoverItem {
@@ -355,7 +375,12 @@ pub fn symbol_context(obj: &Object, symbol_index: usize) -> Vec<ContextItem> {
     out
 }
 
-pub fn symbol_hover(obj: &Object, symbol_index: usize, addend: i64) -> Vec<HoverItem> {
+pub fn symbol_hover(
+    obj: &Object,
+    symbol_index: usize,
+    addend: i64,
+    override_color: Option<HoverItemColor>,
+) -> Vec<HoverItem> {
     let symbol = &obj.symbols[symbol_index];
     let addend_str = match addend.cmp(&0i64) {
         Ordering::Greater => format!("+{:x}", addend),
@@ -366,51 +391,51 @@ pub fn symbol_hover(obj: &Object, symbol_index: usize, addend: i64) -> Vec<Hover
     out.push(HoverItem::Text {
         label: "Name".into(),
         value: format!("{}{}", symbol.name, addend_str),
-        color: HoverItemColor::Normal,
+        color: override_color.clone().unwrap_or_default(),
     });
     if let Some(demangled_name) = &symbol.demangled_name {
         out.push(HoverItem::Text {
             label: "Demangled".into(),
             value: demangled_name.into(),
-            color: HoverItemColor::Normal,
+            color: override_color.clone().unwrap_or_default(),
         });
     }
     if let Some(section) = symbol.section {
         out.push(HoverItem::Text {
             label: "Section".into(),
             value: obj.sections[section].name.clone(),
-            color: HoverItemColor::Normal,
+            color: override_color.clone().unwrap_or_default(),
         });
         out.push(HoverItem::Text {
             label: "Address".into(),
             value: format!("{:x}{}", symbol.address, addend_str),
-            color: HoverItemColor::Normal,
+            color: override_color.clone().unwrap_or_default(),
         });
         if symbol.flags.contains(SymbolFlag::SizeInferred) {
             out.push(HoverItem::Text {
                 label: "Size".into(),
                 value: format!("{:x} (inferred)", symbol.size),
-                color: HoverItemColor::Normal,
+                color: override_color.clone().unwrap_or_default(),
             });
         } else {
             out.push(HoverItem::Text {
                 label: "Size".into(),
                 value: format!("{:x}", symbol.size),
-                color: HoverItemColor::Normal,
+                color: override_color.clone().unwrap_or_default(),
             });
         }
         if let Some(align) = symbol.align {
             out.push(HoverItem::Text {
                 label: "Alignment".into(),
                 value: align.get().to_string(),
-                color: HoverItemColor::Normal,
+                color: override_color.clone().unwrap_or_default(),
             });
         }
         if let Some(address) = symbol.virtual_address {
             out.push(HoverItem::Text {
                 label: "Virtual address".into(),
                 value: format!("{:x}", address),
-                color: HoverItemColor::Special,
+                color: override_color.clone().unwrap_or(HoverItemColor::Special),
             });
         }
     } else {
@@ -435,30 +460,39 @@ pub fn relocation_context(
         let literals = display_ins_data_literals(obj, ins);
         if !literals.is_empty() {
             out.push(ContextItem::Separator);
-            for literal in literals {
-                out.push(ContextItem::Copy { value: literal, label: None });
+            for (literal, label_override) in literals {
+                out.push(ContextItem::Copy { value: literal, label: label_override });
             }
         }
     }
     out
 }
 
-pub fn relocation_hover(obj: &Object, reloc: ResolvedRelocation) -> Vec<HoverItem> {
+pub fn relocation_hover(
+    obj: &Object,
+    reloc: ResolvedRelocation,
+    override_color: Option<HoverItemColor>,
+) -> Vec<HoverItem> {
     let mut out = Vec::new();
     if let Some(name) = obj.arch.reloc_name(reloc.relocation.flags) {
         out.push(HoverItem::Text {
             label: "Relocation".into(),
             value: name.to_string(),
-            color: HoverItemColor::Normal,
+            color: override_color.clone().unwrap_or_default(),
         });
     } else {
         out.push(HoverItem::Text {
             label: "Relocation".into(),
             value: format!("<{:?}>", reloc.relocation.flags),
-            color: HoverItemColor::Normal,
+            color: override_color.clone().unwrap_or_default(),
         });
     }
-    out.append(&mut symbol_hover(obj, reloc.relocation.target_symbol, reloc.relocation.addend));
+    out.append(&mut symbol_hover(
+        obj,
+        reloc.relocation.target_symbol,
+        reloc.relocation.addend,
+        override_color,
+    ));
     out
 }
 
@@ -545,14 +579,15 @@ pub fn instruction_hover(
     }
     if let Some(reloc) = resolved.relocation {
         out.push(HoverItem::Separator);
-        out.append(&mut relocation_hover(obj, reloc));
-        if let Some(ty) = obj.arch.guess_data_type(resolved) {
+        out.append(&mut relocation_hover(obj, reloc, None));
+        let bytes = obj.symbol_data(reloc.relocation.target_symbol).unwrap_or(&[]);
+        if let Some(ty) = obj.arch.guess_data_type(resolved, bytes) {
             let literals = display_ins_data_literals(obj, resolved);
             if !literals.is_empty() {
                 out.push(HoverItem::Separator);
-                for literal in literals {
+                for (literal, label_override) in literals {
                     out.push(HoverItem::Text {
-                        label: format!("{}", ty),
+                        label: label_override.unwrap_or_else(|| format!("{}", ty)),
                         value: literal,
                         color: HoverItemColor::Normal,
                     });
@@ -665,24 +700,25 @@ pub fn display_sections(
             .collect::<Vec<_>>();
         if let Some(section_idx) = section_idx {
             let section = &obj.sections[section_idx];
-            if section.kind == SectionKind::Unknown || section.flags.contains(SectionFlag::Hidden) {
+            if section.kind == SectionKind::Unknown {
                 // Skip unknown and hidden sections
                 continue;
             }
             let section_diff = &diff.sections[section_idx];
-            if section.kind == SectionKind::Code && reverse_fn_order {
-                symbols.sort_by(|a, b| {
-                    let a_symbol = &obj.symbols[a.symbol];
-                    let b_symbol = &obj.symbols[b.symbol];
-                    symbol_sort_reverse(a_symbol, b_symbol)
-                });
-            } else {
-                symbols.sort_by(|a, b| {
-                    let a_symbol = &obj.symbols[a.symbol];
-                    let b_symbol = &obj.symbols[b.symbol];
-                    symbol_sort(a_symbol, b_symbol)
-                });
-            }
+            let reverse_fn_order = section.kind == SectionKind::Code && reverse_fn_order;
+            symbols.sort_by(|a, b| {
+                let a = &obj.symbols[a.symbol];
+                let b = &obj.symbols[b.symbol];
+                section_symbol_sort(a, b)
+                    .then_with(|| {
+                        if reverse_fn_order {
+                            b.address.cmp(&a.address)
+                        } else {
+                            a.address.cmp(&b.address)
+                        }
+                    })
+                    .then_with(|| a.size.cmp(&b.size))
+            });
             sections.push(SectionDisplay {
                 id: section.id.clone(),
                 name: if section.flags.contains(SectionFlag::Combined) {
@@ -720,14 +756,6 @@ fn section_symbol_sort(a: &Symbol, b: &Symbol) -> Ordering {
     Ordering::Equal
 }
 
-fn symbol_sort(a: &Symbol, b: &Symbol) -> Ordering {
-    section_symbol_sort(a, b).then(a.address.cmp(&b.address)).then(a.size.cmp(&b.size))
-}
-
-fn symbol_sort_reverse(a: &Symbol, b: &Symbol) -> Ordering {
-    section_symbol_sort(a, b).then(b.address.cmp(&a.address)).then(b.size.cmp(&a.size))
-}
-
 pub fn display_ins_data_labels(obj: &Object, resolved: ResolvedInstructionRef) -> Vec<String> {
     let Some(reloc) = resolved.relocation else {
         return Vec::new();
@@ -740,12 +768,15 @@ pub fn display_ins_data_labels(obj: &Object, resolved: ResolvedInstructionRef) -
     };
     let bytes = &data[reloc.relocation.addend as usize..];
     obj.arch
-        .guess_data_type(resolved)
+        .guess_data_type(resolved, bytes)
         .map(|ty| ty.display_labels(obj.endianness, bytes))
         .unwrap_or_default()
 }
 
-pub fn display_ins_data_literals(obj: &Object, resolved: ResolvedInstructionRef) -> Vec<String> {
+pub fn display_ins_data_literals(
+    obj: &Object,
+    resolved: ResolvedInstructionRef,
+) -> Vec<(String, Option<String>)> {
     let Some(reloc) = resolved.relocation else {
         return Vec::new();
     };
@@ -757,7 +788,7 @@ pub fn display_ins_data_literals(obj: &Object, resolved: ResolvedInstructionRef)
     };
     let bytes = &data[reloc.relocation.addend as usize..];
     obj.arch
-        .guess_data_type(resolved)
+        .guess_data_type(resolved, bytes)
         .map(|ty| ty.display_literals(obj.endianness, bytes))
         .unwrap_or_default()
 }

objdiff-core/src/diff/mod.rs

@@ -341,11 +341,25 @@ pub fn diff_objs(
     if let (Some((right_obj, right_out)), Some((left_obj, left_out))) =
         (right.as_mut(), left.as_mut())
     {
-        if let Some(right_name) = &mapping_config.selecting_left {
-            generate_mapping_symbols(right_obj, right_name, left_obj, left_out, diff_config)?;
+        if let Some(right_name) = mapping_config.selecting_left.as_deref() {
+            generate_mapping_symbols(
+                left_obj,
+                left_out,
+                right_obj,
+                right_out,
+                MappingSymbol::Right(right_name),
+                diff_config,
+            )?;
         }
-        if let Some(left_name) = &mapping_config.selecting_right {
-            generate_mapping_symbols(left_obj, left_name, right_obj, right_out, diff_config)?;
+        if let Some(left_name) = mapping_config.selecting_right.as_deref() {
+            generate_mapping_symbols(
+                left_obj,
+                left_out,
+                right_obj,
+                right_out,
+                MappingSymbol::Left(left_name),
+                diff_config,
+            )?;
         }
     }
 
@@ -356,17 +370,28 @@ pub fn diff_objs(
     })
 }
 
+#[derive(Clone, Copy)]
+enum MappingSymbol<'a> {
+    Left(&'a str),
+    Right(&'a str),
+}
+
 /// When we're selecting a symbol to use as a comparison, we'll create comparisons for all
 /// symbols in the other object that match the selected symbol's section and kind. This allows
 /// us to display match percentages for all symbols in the other object that could be selected.
 fn generate_mapping_symbols(
-    base_obj: &Object,
-    base_name: &str,
-    target_obj: &Object,
-    target_out: &mut ObjectDiff,
+    left_obj: &Object,
+    left_out: &mut ObjectDiff,
+    right_obj: &Object,
+    right_out: &mut ObjectDiff,
+    mapping_symbol: MappingSymbol,
     config: &DiffObjConfig,
 ) -> Result<()> {
-    let Some(base_symbol_ref) = symbol_ref_by_name(base_obj, base_name) else {
+    let (base_obj, base_name, target_obj) = match mapping_symbol {
+        MappingSymbol::Left(name) => (left_obj, name, right_obj),
+        MappingSymbol::Right(name) => (right_obj, name, left_obj),
+    };
+    let Some(base_symbol_ref) = base_obj.symbol_by_name(base_name) else {
         return Ok(());
     };
     let base_section_kind = symbol_section_kind(base_obj, &base_obj.symbols[base_symbol_ref]);
@@ -377,32 +402,30 @@ fn generate_mapping_symbols(
         {
             continue;
         }
-        match base_section_kind {
+        let (left_symbol_idx, right_symbol_idx) = match mapping_symbol {
+            MappingSymbol::Left(_) => (base_symbol_ref, target_symbol_index),
+            MappingSymbol::Right(_) => (target_symbol_index, base_symbol_ref),
+        };
+        let (left_diff, right_diff) = match base_section_kind {
             SectionKind::Code => {
-                let (left_diff, _right_diff) =
-                    diff_code(target_obj, base_obj, target_symbol_index, base_symbol_ref, config)?;
-                target_out.mapping_symbols.push(MappingSymbolDiff {
-                    symbol_index: target_symbol_index,
-                    symbol_diff: left_diff,
-                });
+                diff_code(left_obj, right_obj, left_symbol_idx, right_symbol_idx, config)
             }
             SectionKind::Data => {
-                let (left_diff, _right_diff) =
-                    diff_data_symbol(target_obj, base_obj, target_symbol_index, base_symbol_ref)?;
-                target_out.mapping_symbols.push(MappingSymbolDiff {
-                    symbol_index: target_symbol_index,
-                    symbol_diff: left_diff,
-                });
+                diff_data_symbol(left_obj, right_obj, left_symbol_idx, right_symbol_idx)
             }
             SectionKind::Bss | SectionKind::Common => {
-                let (left_diff, _right_diff) =
-                    diff_bss_symbol(target_obj, base_obj, target_symbol_index, base_symbol_ref)?;
-                target_out.mapping_symbols.push(MappingSymbolDiff {
-                    symbol_index: target_symbol_index,
-                    symbol_diff: left_diff,
-                });
+                diff_bss_symbol(left_obj, right_obj, left_symbol_idx, right_symbol_idx)
             }
-            SectionKind::Unknown => {}
+            SectionKind::Unknown => continue,
+        }?;
+        match mapping_symbol {
+            MappingSymbol::Left(_) => right_out.mapping_symbols.push(MappingSymbolDiff {
+                symbol_index: right_symbol_idx,
+                symbol_diff: right_diff,
+            }),
+            MappingSymbol::Right(_) => left_out
+                .mapping_symbols
+                .push(MappingSymbolDiff { symbol_index: left_symbol_idx, symbol_diff: left_diff }),
         }
     }
     Ok(())
@@ -434,10 +457,6 @@ pub struct MappingConfig {
     pub selecting_right: Option<String>,
 }
 
-fn symbol_ref_by_name(obj: &Object, name: &str) -> Option<usize> {
-    obj.symbols.iter().position(|s| s.name == name)
-}
-
 fn apply_symbol_mappings(
     left: &Object,
     right: &Object,
@@ -449,25 +468,25 @@ fn apply_symbol_mappings(
     // If we're selecting a symbol to use as a comparison, mark it as used
     // This ensures that we don't match it to another symbol at any point
     if let Some(left_name) = &mapping_config.selecting_left {
-        if let Some(left_symbol) = symbol_ref_by_name(left, left_name) {
+        if let Some(left_symbol) = left.symbol_by_name(left_name) {
             left_used.insert(left_symbol);
         }
     }
     if let Some(right_name) = &mapping_config.selecting_right {
-        if let Some(right_symbol) = symbol_ref_by_name(right, right_name) {
+        if let Some(right_symbol) = right.symbol_by_name(right_name) {
             right_used.insert(right_symbol);
         }
     }
 
     // Apply manual symbol mappings
     for (left_name, right_name) in &mapping_config.mappings {
-        let Some(left_symbol_index) = symbol_ref_by_name(left, left_name) else {
+        let Some(left_symbol_index) = left.symbol_by_name(left_name) else {
             continue;
         };
         if left_used.contains(&left_symbol_index) {
             continue;
         }
-        let Some(right_symbol_index) = symbol_ref_by_name(right, right_name) else {
+        let Some(right_symbol_index) = right.symbol_by_name(right_name) else {
             continue;
         };
         if right_used.contains(&right_symbol_index) {
@@ -658,7 +677,11 @@ fn find_symbol(
 
 /// Find matching sections between each object.
 fn matching_sections(left: Option<&Object>, right: Option<&Object>) -> Result<Vec<SectionMatch>> {
-    let mut matches = Vec::new();
+    let mut matches = Vec::with_capacity(
+        left.as_ref()
+            .map_or(0, |o| o.sections.len())
+            .max(right.as_ref().map_or(0, |o| o.sections.len())),
+    );
     if let Some(left) = left {
         for (section_idx, section) in left.sections.iter().enumerate() {
             if section.kind == SectionKind::Unknown {
@@ -666,7 +689,7 @@ fn matching_sections(left: Option<&Object>, right: Option<&Object>) -> Result<Ve
             }
             matches.push(SectionMatch {
                 left: Some(section_idx),
-                right: find_section(right, &section.name, section.kind),
+                right: find_section(right, &section.name, section.kind, &matches),
                 section_kind: section.kind,
             });
         }
@@ -689,6 +712,13 @@ fn matching_sections(left: Option<&Object>, right: Option<&Object>) -> Result<Ve
     Ok(matches)
 }
 
-fn find_section(obj: Option<&Object>, name: &str, section_kind: SectionKind) -> Option<usize> {
-    obj?.sections.iter().position(|s| s.kind == section_kind && s.name == name)
+fn find_section(
+    obj: Option<&Object>,
+    name: &str,
+    section_kind: SectionKind,
+    matches: &[SectionMatch],
+) -> Option<usize> {
+    obj?.sections.iter().enumerate().position(|(i, s)| {
+        s.kind == section_kind && s.name == name && !matches.iter().any(|m| m.right == Some(i))
+    })
 }

objdiff-core/src/obj/mod.rs

@@ -9,7 +9,10 @@ use alloc::{
     vec,
     vec::Vec,
 };
-use core::{fmt, num::NonZeroU32};
+use core::{
+    fmt,
+    num::{NonZeroU32, NonZeroU64},
+};
 
 use flagset::{FlagSet, flags};
 
@@ -54,7 +57,6 @@ flags! {
     pub enum SectionFlag: u8 {
         /// Section combined from multiple input sections
         Combined,
-        Hidden,
     }
 }
 
@@ -70,6 +72,7 @@ pub struct Section {
     pub kind: SectionKind,
     pub data: SectionData,
     pub flags: SectionFlagSet,
+    pub align: Option<NonZeroU64>,
     pub relocations: Vec<Relocation>,
     /// Line number info (.line or .debug_line section)
     pub line_info: BTreeMap<u64, u32>,
@@ -95,14 +98,14 @@ impl fmt::Debug for SectionData {
 
 impl Section {
     pub fn data_range(&self, address: u64, size: usize) -> Option<&[u8]> {
-        let start = self.address;
-        let end = start + self.size;
-        if address >= start && address + size as u64 <= end {
-            let offset = (address - start) as usize;
-            Some(&self.data[offset..offset + size])
-        } else {
-            None
-        }
+        let offset = address.checked_sub(self.address)?;
+        self.data.get(offset as usize..offset as usize + size)
+    }
+
+    // The alignment to use when "Combine data/text sections" is enabled.
+    pub fn combined_alignment(&self) -> u64 {
+        const MIN_ALIGNMENT: u64 = 4;
+        self.align.map(|align| align.get().max(MIN_ALIGNMENT)).unwrap_or(MIN_ALIGNMENT)
     }
 
     pub fn relocation_at<'obj>(
@@ -115,7 +118,7 @@ impl Section {
             Err(i) => self
                 .relocations
                 .get(i)
-                .take_if(|r| r.address < ins_ref.address + ins_ref.size as u64),
+                .filter(|r| r.address < ins_ref.address + ins_ref.size as u64),
         }
         .and_then(|relocation| {
             let symbol = obj.symbols.get(relocation.target_symbol)?;
@@ -211,11 +214,6 @@ pub struct InstructionRef {
     pub address: u64,
     pub size: u8,
     pub opcode: u16,
-}
-
-#[derive(Copy, Clone, Debug)]
-pub struct ScannedInstruction {
-    pub ins_ref: InstructionRef,
     pub branch_dest: Option<u64>,
 }
 
@@ -310,6 +308,10 @@ impl Object {
         let offset = symbol.address.checked_sub(section.address)?;
         section.data.get(offset as usize..offset as usize + symbol.size as usize)
     }
+
+    pub fn symbol_by_name(&self, name: &str) -> Option<usize> {
+        self.symbols.iter().position(|symbol| symbol.section.is_some() && symbol.name == name)
+    }
 }
 
 #[derive(Debug, Clone, Eq, PartialEq, Hash)]
@@ -332,6 +334,16 @@ pub struct ResolvedRelocation<'a> {
     pub symbol: &'a Symbol,
 }
 
+#[derive(Debug, Copy, Clone)]
+pub struct ResolvedSymbol<'obj> {
+    pub obj: &'obj Object,
+    pub symbol_index: usize,
+    pub symbol: &'obj Symbol,
+    pub section_index: usize,
+    pub section: &'obj Section,
+    pub data: &'obj [u8],
+}
+
 #[derive(Debug, Copy, Clone)]
 pub struct ResolvedInstructionRef<'obj> {
     pub ins_ref: InstructionRef,
@@ -363,6 +375,7 @@ static DUMMY_SECTION: Section = Section {
     kind: SectionKind::Unknown,
     data: SectionData(Vec::new()),
     flags: SectionFlagSet::empty(),
+    align: None,
     relocations: Vec::new(),
     line_info: BTreeMap::new(),
     virtual_address: None,

objdiff-core/src/obj/read.rs

@@ -4,7 +4,7 @@ use alloc::{
     string::{String, ToString},
     vec::Vec,
 };
-use core::cmp::Ordering;
+use core::{cmp::Ordering, num::NonZeroU64};
 
 use anyhow::{Context, Result, anyhow, bail, ensure};
 use object::{Object as _, ObjectSection as _, ObjectSymbol as _};
@@ -17,7 +17,7 @@ use crate::{
         Symbol, SymbolFlag, SymbolKind,
         split_meta::{SPLITMETA_SECTION, SplitMeta},
     },
-    util::{read_u16, read_u32},
+    util::{align_data_slice_to, align_u64_to, read_u16, read_u32},
 };
 
 fn map_section_kind(section: &object::Section) -> SectionKind {
@@ -121,6 +121,15 @@ fn map_symbols(
     Ok((symbols, symbol_indices))
 }
 
+/// When inferring a symbol's size, we ignore symbols that start with specific prefixes. They are
+/// usually emitted as branch targets and do not represent the start of a function or object.
+fn is_local_label(symbol: &Symbol) -> bool {
+    const LABEL_PREFIXES: &[&str] = &[".L", "LAB_"];
+    symbol.size == 0
+        && symbol.flags.contains(SymbolFlag::Local)
+        && LABEL_PREFIXES.iter().any(|p| symbol.name.starts_with(p))
+}
+
 fn infer_symbol_sizes(symbols: &mut [Symbol], sections: &[Section]) {
     // Create a sorted list of symbol indices by section
     let mut symbols_with_section = Vec::<usize>::with_capacity(symbols.len());
@@ -167,27 +176,28 @@ fn infer_symbol_sizes(symbols: &mut [Symbol], sections: &[Section]) {
         if last_end.0 == section_idx && last_end.1 > symbol.address {
             continue;
         }
-        let next_symbol = match symbol.kind {
-            // For function/object symbols, find the next function/object symbol (in other words:
-            // skip over labels)
-            SymbolKind::Function | SymbolKind::Object => loop {
-                if iter_idx >= symbols_with_section.len() {
-                    break None;
+        let next_symbol = loop {
+            if iter_idx >= symbols_with_section.len() {
+                break None;
+            }
+            let next_symbol = &symbols[symbols_with_section[iter_idx]];
+            if next_symbol.section != Some(section_idx) {
+                break None;
+            }
+            if match symbol.kind {
+                SymbolKind::Function | SymbolKind::Object => {
+                    // For function/object symbols, find the next function/object
+                    matches!(next_symbol.kind, SymbolKind::Function | SymbolKind::Object)
                 }
-                let next_symbol = &symbols[symbols_with_section[iter_idx]];
-                if next_symbol.section != Some(section_idx) {
-                    break None;
+                SymbolKind::Unknown | SymbolKind::Section => {
+                    // For labels (or anything else), stop at any symbol
+                    true
                 }
-                if let SymbolKind::Function | SymbolKind::Object = next_symbol.kind {
-                    break Some(next_symbol);
-                }
-                iter_idx += 1;
-            },
-            // For labels (or anything else), simply use the next symbol's address
-            SymbolKind::Unknown | SymbolKind::Section => symbols_with_section
-                .get(iter_idx)
-                .map(|&i| &symbols[i])
-                .take_if(|s| s.section == Some(section_idx)),
+            } && !is_local_label(next_symbol)
+            {
+                break Some(next_symbol);
+            }
+            iter_idx += 1;
         };
         let next_address = next_symbol.map(|s| s.address).unwrap_or_else(|| {
             let section = &sections[section_idx];
@@ -257,6 +267,7 @@ fn map_sections(
             kind,
             data: SectionData(data),
             flags: Default::default(),
+            align: NonZeroU64::new(section.align()),
             relocations: Default::default(),
             virtual_address,
             line_info: Default::default(),
@@ -340,7 +351,7 @@ fn map_section_relocations(
                 let idx = if let Some(section_symbol) = obj_file
                     .symbol_by_index(idx)
                     .ok()
-                    .take_if(|s| s.kind() == object::SymbolKind::Section)
+                    .filter(|s| s.kind() == object::SymbolKind::Section)
                 {
                     let section_index =
                         section_symbol.section_index().context("Section symbol without section")?;
@@ -739,7 +750,10 @@ fn do_combine_sections(
         }
         offsets.push(current_offset);
         current_offset += section.size;
+        let align = section.combined_alignment();
+        current_offset = align_u64_to(current_offset, align);
         data_size += section.data.len();
+        data_size = align_u64_to(data_size as u64, align) as usize;
         num_relocations += section.relocations.len();
     }
     if data_size > 0 {
@@ -754,12 +768,13 @@ fn do_combine_sections(
         let section = &mut sections[i];
         section.size = 0;
         data.append(&mut section.data.0);
+        align_data_slice_to(&mut data, section.combined_alignment());
         section.relocations.iter_mut().for_each(|r| r.address += offset);
         relocations.append(&mut section.relocations);
         line_info.append(&mut section.line_info.iter().map(|(&a, &l)| (a + offset, l)).collect());
         section.line_info.clear();
         if offset > 0 {
-            section.flags |= SectionFlag::Hidden;
+            section.kind = SectionKind::Unknown;
         }
     }
     {
@@ -843,7 +858,7 @@ pub fn read(obj_path: &std::path::Path, config: &DiffObjConfig) -> Result<Object
 
 pub fn parse(data: &[u8], config: &DiffObjConfig) -> Result<Object> {
     let obj_file = object::File::parse(data)?;
-    let arch = new_arch(&obj_file)?;
+    let mut arch = new_arch(&obj_file)?;
     let split_meta = parse_split_meta(&obj_file)?;
     let (mut sections, section_indices) =
         map_sections(arch.as_ref(), &obj_file, split_meta.as_ref())?;
@@ -857,6 +872,7 @@ pub fn parse(data: &[u8], config: &DiffObjConfig) -> Result<Object> {
     if config.combine_data_sections || config.combine_text_sections {
         combine_sections(&mut sections, &mut symbols, config)?;
     }
+    arch.post_init(&sections, &symbols);
     Ok(Object {
         arch,
         endianness: obj_file.endianness(),

objdiff-core/src/obj/snapshots/objdiff_core__obj__read__test__combine_sections.snap

@@ -14,6 +14,7 @@ expression: "(sections, symbols)"
                 8,
             ),
             flags: FlagSet(),
+            align: None,
             relocations: [
                 Relocation {
                     flags: Elf(
@@ -53,6 +54,7 @@ expression: "(sections, symbols)"
                 12,
             ),
             flags: FlagSet(Combined),
+            align: None,
             relocations: [
                 Relocation {
                     flags: Elf(
@@ -82,11 +84,12 @@ expression: "(sections, symbols)"
             name: ".data",
             address: 0,
             size: 0,
-            kind: Data,
+            kind: Unknown,
             data: SectionData(
                 0,
             ),
-            flags: FlagSet(Hidden),
+            flags: FlagSet(),
+            align: None,
             relocations: [],
             line_info: {},
             virtual_address: None,
@@ -96,11 +99,12 @@ expression: "(sections, symbols)"
             name: ".data",
             address: 0,
             size: 0,
-            kind: Data,
+            kind: Unknown,
             data: SectionData(
                 0,
             ),
-            flags: FlagSet(Hidden),
+            flags: FlagSet(),
+            align: None,
             relocations: [],
             line_info: {},
             virtual_address: None,

objdiff-core/src/obj/split_meta.rs

@@ -3,6 +3,10 @@ use alloc::{string::String, vec, vec::Vec};
 use anyhow::{Result, anyhow};
 use object::{Endian, ObjectSection, elf::SHT_NOTE};
 
+#[cfg(feature = "std")]
+use crate::util::align_data_to_4;
+use crate::util::align_size_to_4;
+
 pub const SPLITMETA_SECTION: &str = ".note.split";
 pub const SHT_SPLITMETA: u32 = SHT_NOTE;
 pub const ELF_NOTE_SPLIT: &[u8] = b"Split";
@@ -190,17 +194,6 @@ where E: Endian
     }
 }
 
-fn align_size_to_4(size: usize) -> usize { (size + 3) & !3 }
-
-#[cfg(feature = "std")]
-fn align_data_to_4<W: std::io::Write + ?Sized>(writer: &mut W, len: usize) -> std::io::Result<()> {
-    const ALIGN_BYTES: &[u8] = &[0; 4];
-    if len % 4 != 0 {
-        writer.write_all(&ALIGN_BYTES[..4 - len % 4])?;
-    }
-    Ok(())
-}
-
 // ELF note format:
 // Name Size | 4 bytes (integer)
 // Desc Size | 4 bytes (integer)

objdiff-core/src/util.rs

@@ -1,4 +1,4 @@
-use alloc::format;
+use alloc::{format, vec::Vec};
 use core::fmt;
 
 use anyhow::{Result, ensure};
@@ -39,3 +39,23 @@ pub fn read_u16(obj_file: &object::File, reader: &mut &[u8]) -> Result<u16> {
     *reader = &reader[2..];
     Ok(obj_file.endianness().read_u16(value))
 }
+
+pub fn align_size_to_4(size: usize) -> usize { (size + 3) & !3 }
+
+#[cfg(feature = "std")]
+pub fn align_data_to_4<W: std::io::Write + ?Sized>(
+    writer: &mut W,
+    len: usize,
+) -> std::io::Result<()> {
+    const ALIGN_BYTES: &[u8] = &[0; 4];
+    if len % 4 != 0 {
+        writer.write_all(&ALIGN_BYTES[..4 - len % 4])?;
+    }
+    Ok(())
+}
+
+pub fn align_u64_to(len: u64, align: u64) -> u64 { len + ((align - (len % align)) % align) }
+
+pub fn align_data_slice_to(data: &mut Vec<u8>, align: u64) {
+    data.resize(align_u64_to(data.len() as u64, align) as usize, 0);
+}

objdiff-core/tests/arch_arm.rs

@@ -5,7 +5,7 @@ mod common;
 #[test]
 #[cfg(feature = "arm")]
 fn read_arm() {
-    let diff_config = diff::DiffObjConfig { mips_register_prefix: true, ..Default::default() };
+    let diff_config = diff::DiffObjConfig { ..Default::default() };
     let obj = obj::read::parse(include_object!("data/arm/LinkStateItem.o"), &diff_config).unwrap();
     insta::assert_debug_snapshot!(obj);
     let symbol_idx =
@@ -15,3 +15,32 @@ fn read_arm() {
     let output = common::display_diff(&obj, &diff, symbol_idx, &diff_config);
     insta::assert_snapshot!(output);
 }
+
+#[test]
+#[cfg(feature = "arm")]
+fn read_thumb() {
+    let diff_config = diff::DiffObjConfig { ..Default::default() };
+    let obj = obj::read::parse(include_object!("data/arm/thumb.o"), &diff_config).unwrap();
+    insta::assert_debug_snapshot!(obj);
+    let symbol_idx = obj
+        .symbols
+        .iter()
+        .position(|s| s.name == "THUMB_BRANCH_ServerDisplay_UncategorizedMove")
+        .unwrap();
+    let diff = diff::code::no_diff_code(&obj, symbol_idx, &diff_config).unwrap();
+    insta::assert_debug_snapshot!(diff.instruction_rows);
+    let output = common::display_diff(&obj, &diff, symbol_idx, &diff_config);
+    insta::assert_snapshot!(output);
+}
+
+#[test]
+#[cfg(feature = "arm")]
+fn combine_text_sections() {
+    let diff_config = diff::DiffObjConfig { combine_text_sections: true, ..Default::default() };
+    let obj = obj::read::parse(include_object!("data/arm/enemy300.o"), &diff_config).unwrap();
+    let symbol_idx = obj.symbols.iter().position(|s| s.name == "Enemy300Draw").unwrap();
+    let diff = diff::code::no_diff_code(&obj, symbol_idx, &diff_config).unwrap();
+    insta::assert_debug_snapshot!(diff.instruction_rows);
+    let output = common::display_diff(&obj, &diff, symbol_idx, &diff_config);
+    insta::assert_snapshot!(output);
+}

objdiff-core/tests/arch_x86.rs

@@ -55,3 +55,25 @@ fn display_section_ordering() {
         diff::display::display_sections(&obj, &obj_diff, SymbolFilter::None, false, false, false);
     insta::assert_debug_snapshot!(section_display);
 }
+
+#[test]
+#[cfg(feature = "x86")]
+fn read_x86_jumptable() {
+    let diff_config = diff::DiffObjConfig::default();
+    let obj = obj::read::parse(include_object!("data/x86/jumptable.o"), &diff_config).unwrap();
+    insta::assert_debug_snapshot!(obj);
+    let symbol_idx = obj.symbols.iter().position(|s| s.name == "?test@@YAHH@Z").unwrap();
+    let diff = diff::code::no_diff_code(&obj, symbol_idx, &diff_config).unwrap();
+    insta::assert_debug_snapshot!(diff.instruction_rows);
+    let output = common::display_diff(&obj, &diff, symbol_idx, &diff_config);
+    insta::assert_snapshot!(output);
+}
+
+// Inferred size of functions should ignore symbols with specific prefixes
+#[test]
+#[cfg(feature = "x86")]
+fn read_x86_local_labels() {
+    let diff_config = diff::DiffObjConfig::default();
+    let obj = obj::read::parse(include_object!("data/x86/local_labels.obj"), &diff_config).unwrap();
+    insta::assert_debug_snapshot!(obj);
+}

objdiff-core/tests/snapshots/arch_arm__combine_text_sections-2.snap

@@ -0,0 +1,7 @@
+---
+source: objdiff-core/tests/arch_arm.rs
+expression: output
+---
+[(Line(90), Dim, 5), (Address(0), Normal, 5), (Spacing(4), Normal, 0), (Opcode("ldr", 32799), Normal, 10), (Argument(Opaque("r12")), Normal, 0), (Basic(", "), Normal, 0), (Basic("["), Normal, 0), (Argument(Opaque("pc")), Normal, 0), (Basic(", "), Normal, 0), (Basic("#"), Normal, 0), (Argument(Signed(0)), Normal, 0), (Basic("]"), Normal, 0), (Basic(" (->"), Normal, 0), (BranchDest(8), Normal, 0), (Basic(")"), Normal, 0), (Eol, Normal, 0)]
+[(Line(90), Dim, 5), (Address(4), Normal, 5), (Spacing(4), Normal, 0), (Opcode("bx", 32779), Normal, 10), (Argument(Opaque("r12")), Normal, 0), (Eol, Normal, 0)]
+[(Line(90), Dim, 5), (Address(8), Normal, 5), (Spacing(4), Normal, 0), (Opcode(".word", 65535), Normal, 10), (Symbol(Symbol { name: "esEnemyDraw", demangled_name: None, address: 0, size: 0, kind: Unknown, section: None, flags: FlagSet(Global), align: None, virtual_address: None }), Bright, 0), (Eol, Normal, 0)]

objdiff-core/tests/snapshots/arch_arm__combine_text_sections.snap

@@ -0,0 +1,48 @@
+---
+source: objdiff-core/tests/arch_arm.rs
+expression: diff.instruction_rows
+---
+[
+    InstructionDiffRow {
+        ins_ref: Some(
+            InstructionRef {
+                address: 76,
+                size: 4,
+                opcode: 32799,
+                branch_dest: None,
+            },
+        ),
+        kind: None,
+        branch_from: None,
+        branch_to: None,
+        arg_diff: [],
+    },
+    InstructionDiffRow {
+        ins_ref: Some(
+            InstructionRef {
+                address: 80,
+                size: 4,
+                opcode: 32779,
+                branch_dest: None,
+            },
+        ),
+        kind: None,
+        branch_from: None,
+        branch_to: None,
+        arg_diff: [],
+    },
+    InstructionDiffRow {
+        ins_ref: Some(
+            InstructionRef {
+                address: 84,
+                size: 4,
+                opcode: 65535,
+                branch_dest: None,
+            },
+        ),
+        kind: None,
+        branch_from: None,
+        branch_to: None,
+        arg_diff: [],
+    },
+]

objdiff-core/tests/snapshots/arch_arm__read_arm-2.snap

@@ -9,6 +9,7 @@ expression: diff.instruction_rows
                 address: 40,
                 size: 4,
                 opcode: 32895,
+                branch_dest: None,
             },
         ),
         kind: None,
@@ -22,6 +23,7 @@ expression: diff.instruction_rows
                 address: 44,
                 size: 4,
                 opcode: 32818,
+                branch_dest: None,
             },
         ),
         kind: None,
@@ -35,6 +37,7 @@ expression: diff.instruction_rows
                 address: 48,
                 size: 4,
                 opcode: 32818,
+                branch_dest: None,
             },
         ),
         kind: None,
@@ -48,6 +51,7 @@ expression: diff.instruction_rows
                 address: 52,
                 size: 4,
                 opcode: 32774,
+                branch_dest: None,
             },
         ),
         kind: None,
@@ -61,6 +65,7 @@ expression: diff.instruction_rows
                 address: 56,
                 size: 4,
                 opcode: 32799,
+                branch_dest: None,
             },
         ),
         kind: None,
@@ -74,6 +79,7 @@ expression: diff.instruction_rows
                 address: 60,
                 size: 4,
                 opcode: 32786,
+                branch_dest: None,
             },
         ),
         kind: None,
@@ -87,6 +93,7 @@ expression: diff.instruction_rows
                 address: 64,
                 size: 4,
                 opcode: 32770,
+                branch_dest: None,
             },
         ),
         kind: None,
@@ -100,6 +107,9 @@ expression: diff.instruction_rows
                 address: 68,
                 size: 4,
                 opcode: 32773,
+                branch_dest: Some(
+                    240,
+                ),
             },
         ),
         kind: None,
@@ -118,6 +128,9 @@ expression: diff.instruction_rows
                 address: 72,
                 size: 4,
                 opcode: 32773,
+                branch_dest: Some(
+                    240,
+                ),
             },
         ),
         kind: None,
@@ -136,6 +149,9 @@ expression: diff.instruction_rows
                 address: 76,
                 size: 4,
                 opcode: 32773,
+                branch_dest: Some(
+                    240,
+                ),
             },
         ),
         kind: None,
@@ -154,6 +170,9 @@ expression: diff.instruction_rows
                 address: 80,
                 size: 4,
                 opcode: 32773,
+                branch_dest: Some(
+                    240,
+                ),
             },
         ),
         kind: None,
@@ -172,6 +191,9 @@ expression: diff.instruction_rows
                 address: 84,
                 size: 4,
                 opcode: 32773,
+                branch_dest: Some(
+                    232,
+                ),
             },
         ),
         kind: None,
@@ -190,6 +212,9 @@ expression: diff.instruction_rows
                 address: 88,
                 size: 4,
                 opcode: 32773,
+                branch_dest: Some(
+                    164,
+                ),
             },
         ),
         kind: None,
@@ -208,6 +233,9 @@ expression: diff.instruction_rows
                 address: 92,
                 size: 4,
                 opcode: 32773,
+                branch_dest: Some(
+                    240,
+                ),
             },
         ),
         kind: None,
@@ -226,6 +254,9 @@ expression: diff.instruction_rows
                 address: 96,
                 size: 4,
                 opcode: 32773,
+                branch_dest: Some(
+                    180,
+                ),
             },
         ),
         kind: None,
@@ -244,6 +275,9 @@ expression: diff.instruction_rows
                 address: 100,
                 size: 4,
                 opcode: 32773,
+                branch_dest: Some(
+                    116,
+                ),
             },
         ),
         kind: None,
@@ -262,6 +296,9 @@ expression: diff.instruction_rows
                 address: 104,
                 size: 4,
                 opcode: 32773,
+                branch_dest: Some(
+                    192,
+                ),
             },
         ),
         kind: None,
@@ -280,6 +317,9 @@ expression: diff.instruction_rows
                 address: 108,
                 size: 4,
                 opcode: 32773,
+                branch_dest: Some(
+                    204,
+                ),
             },
         ),
         kind: None,
@@ -298,6 +338,9 @@ expression: diff.instruction_rows
                 address: 112,
                 size: 4,
                 opcode: 32773,
+                branch_dest: Some(
+                    204,
+                ),
             },
         ),
         kind: None,
@@ -316,6 +359,7 @@ expression: diff.instruction_rows
                 address: 116,
                 size: 4,
                 opcode: 32799,
+                branch_dest: None,
             },
         ),
         kind: None,
@@ -336,6 +380,7 @@ expression: diff.instruction_rows
                 address: 120,
                 size: 4,
                 opcode: 32799,
+                branch_dest: None,
             },
         ),
         kind: None,
@@ -349,6 +394,7 @@ expression: diff.instruction_rows
                 address: 124,
                 size: 4,
                 opcode: 32774,
+                branch_dest: None,
             },
         ),
         kind: None,
@@ -362,6 +408,7 @@ expression: diff.instruction_rows
                 address: 128,
                 size: 4,
                 opcode: 32800,
+                branch_dest: None,
             },
         ),
         kind: None,
@@ -375,6 +422,7 @@ expression: diff.instruction_rows
                 address: 132,
                 size: 4,
                 opcode: 32786,
+                branch_dest: None,
             },
         ),
         kind: None,
@@ -388,6 +436,9 @@ expression: diff.instruction_rows
                 address: 136,
                 size: 4,
                 opcode: 32773,
+                branch_dest: Some(
+                    148,
+                ),
             },
         ),
         kind: None,
@@ -406,6 +457,9 @@ expression: diff.instruction_rows
                 address: 140,
                 size: 4,
                 opcode: 32774,
+                branch_dest: Some(
+                    464,
+                ),
             },
         ),
         kind: None,
@@ -424,6 +478,7 @@ expression: diff.instruction_rows
                 address: 144,
                 size: 4,
                 opcode: 32774,
+                branch_dest: None,
             },
         ),
         kind: None,
@@ -437,6 +492,7 @@ expression: diff.instruction_rows
                 address: 148,
                 size: 4,
                 opcode: 32799,
+                branch_dest: None,
             },
         ),
         kind: None,
@@ -457,6 +513,7 @@ expression: diff.instruction_rows
                 address: 152,
                 size: 4,
                 opcode: 32799,
+                branch_dest: None,
             },
         ),
         kind: None,
@@ -470,6 +527,7 @@ expression: diff.instruction_rows
                 address: 156,
                 size: 4,
                 opcode: 32777,
+                branch_dest: None,
             },
         ),
         kind: None,
@@ -483,6 +541,9 @@ expression: diff.instruction_rows
                 address: 160,
                 size: 4,
                 opcode: 32773,
+                branch_dest: Some(
+                    240,
+                ),
             },
         ),
         kind: None,
@@ -501,6 +562,7 @@ expression: diff.instruction_rows
                 address: 164,
                 size: 4,
                 opcode: 32818,
+                branch_dest: None,
             },
         ),
         kind: None,
@@ -521,6 +583,7 @@ expression: diff.instruction_rows
                 address: 168,
                 size: 4,
                 opcode: 32818,
+                branch_dest: None,
             },
         ),
         kind: None,
@@ -534,6 +597,7 @@ expression: diff.instruction_rows
                 address: 172,
                 size: 4,
                 opcode: 32774,
+                branch_dest: None,
             },
         ),
         kind: None,
@@ -547,6 +611,9 @@ expression: diff.instruction_rows
                 address: 176,
                 size: 4,
                 opcode: 32773,
+                branch_dest: Some(
+                    240,
+                ),
             },
         ),
         kind: None,
@@ -565,6 +632,7 @@ expression: diff.instruction_rows
                 address: 180,
                 size: 4,
                 opcode: 32818,
+                branch_dest: None,
             },
         ),
         kind: None,
@@ -585,6 +653,7 @@ expression: diff.instruction_rows
                 address: 184,
                 size: 4,
                 opcode: 32774,
+                branch_dest: None,
             },
         ),
         kind: None,
@@ -598,6 +667,9 @@ expression: diff.instruction_rows
                 address: 188,
                 size: 4,
                 opcode: 32773,
+                branch_dest: Some(
+                    240,
+                ),
             },
         ),
         kind: None,
@@ -616,6 +688,7 @@ expression: diff.instruction_rows
                 address: 192,
                 size: 4,
                 opcode: 32818,
+                branch_dest: None,
             },
         ),
         kind: None,
@@ -636,6 +709,7 @@ expression: diff.instruction_rows
                 address: 196,
                 size: 4,
                 opcode: 32774,
+                branch_dest: None,
             },
         ),
         kind: None,
@@ -649,6 +723,9 @@ expression: diff.instruction_rows
                 address: 200,
                 size: 4,
                 opcode: 32773,
+                branch_dest: Some(
+                    240,
+                ),
             },
         ),
         kind: None,
@@ -667,6 +744,7 @@ expression: diff.instruction_rows
                 address: 204,
                 size: 4,
                 opcode: 32799,
+                branch_dest: None,
             },
         ),
         kind: None,
@@ -688,6 +766,7 @@ expression: diff.instruction_rows
                 address: 208,
                 size: 4,
                 opcode: 32818,
+                branch_dest: None,
             },
         ),
         kind: None,
@@ -701,6 +780,7 @@ expression: diff.instruction_rows
                 address: 212,
                 size: 4,
                 opcode: 32799,
+                branch_dest: None,
             },
         ),
         kind: None,
@@ -714,6 +794,7 @@ expression: diff.instruction_rows
                 address: 216,
                 size: 4,
                 opcode: 32818,
+                branch_dest: None,
             },
         ),
         kind: None,
@@ -727,6 +808,7 @@ expression: diff.instruction_rows
                 address: 220,
                 size: 4,
                 opcode: 32899,
+                branch_dest: None,
             },
         ),
         kind: None,
@@ -740,6 +822,7 @@ expression: diff.instruction_rows
                 address: 224,
                 size: 4,
                 opcode: 32774,
+                branch_dest: None,
             },
         ),
         kind: None,
@@ -753,6 +836,9 @@ expression: diff.instruction_rows
                 address: 228,
                 size: 4,
                 opcode: 32773,
+                branch_dest: Some(
+                    240,
+                ),
             },
         ),
         kind: None,
@@ -771,6 +857,7 @@ expression: diff.instruction_rows
                 address: 232,
                 size: 4,
                 opcode: 32818,
+                branch_dest: None,
             },
         ),
         kind: None,
@@ -791,6 +878,7 @@ expression: diff.instruction_rows
                 address: 236,
                 size: 4,
                 opcode: 32774,
+                branch_dest: None,
             },
         ),
         kind: None,
@@ -804,6 +892,7 @@ expression: diff.instruction_rows
                 address: 240,
                 size: 4,
                 opcode: 32799,
+                branch_dest: None,
             },
         ),
         kind: None,
@@ -833,6 +922,7 @@ expression: diff.instruction_rows
                 address: 244,
                 size: 4,
                 opcode: 32829,
+                branch_dest: None,
             },
         ),
         kind: None,
@@ -846,6 +936,7 @@ expression: diff.instruction_rows
                 address: 248,
                 size: 4,
                 opcode: 32786,
+                branch_dest: None,
             },
         ),
         kind: None,
@@ -859,6 +950,9 @@ expression: diff.instruction_rows
                 address: 252,
                 size: 4,
                 opcode: 32773,
+                branch_dest: Some(
+                    276,
+                ),
             },
         ),
         kind: None,
@@ -877,6 +971,7 @@ expression: diff.instruction_rows
                 address: 256,
                 size: 4,
                 opcode: 32818,
+                branch_dest: None,
             },
         ),
         kind: None,
@@ -890,6 +985,7 @@ expression: diff.instruction_rows
                 address: 260,
                 size: 4,
                 opcode: 32774,
+                branch_dest: None,
             },
         ),
         kind: None,
@@ -903,6 +999,7 @@ expression: diff.instruction_rows
                 address: 264,
                 size: 4,
                 opcode: 32799,
+                branch_dest: None,
             },
         ),
         kind: None,
@@ -916,6 +1013,7 @@ expression: diff.instruction_rows
                 address: 268,
                 size: 4,
                 opcode: 32799,
+                branch_dest: None,
             },
         ),
         kind: None,
@@ -929,6 +1027,7 @@ expression: diff.instruction_rows
                 address: 272,
                 size: 4,
                 opcode: 32778,
+                branch_dest: None,
             },
         ),
         kind: None,
@@ -942,6 +1041,7 @@ expression: diff.instruction_rows
                 address: 276,
                 size: 4,
                 opcode: 32799,
+                branch_dest: None,
             },
         ),
         kind: None,
@@ -962,6 +1062,7 @@ expression: diff.instruction_rows
                 address: 280,
                 size: 4,
                 opcode: 32786,
+                branch_dest: None,
             },
         ),
         kind: None,
@@ -975,6 +1076,9 @@ expression: diff.instruction_rows
                 address: 284,
                 size: 4,
                 opcode: 32773,
+                branch_dest: Some(
+                    328,
+                ),
             },
         ),
         kind: None,
@@ -993,6 +1097,9 @@ expression: diff.instruction_rows
                 address: 288,
                 size: 4,
                 opcode: 32773,
+                branch_dest: Some(
+                    336,
+                ),
             },
         ),
         kind: None,
@@ -1011,6 +1118,7 @@ expression: diff.instruction_rows
                 address: 292,
                 size: 4,
                 opcode: 32786,
+                branch_dest: None,
             },
         ),
         kind: None,
@@ -1024,6 +1132,9 @@ expression: diff.instruction_rows
                 address: 296,
                 size: 4,
                 opcode: 32773,
+                branch_dest: Some(
+                    348,
+                ),
             },
         ),
         kind: None,
@@ -1042,6 +1153,7 @@ expression: diff.instruction_rows
                 address: 300,
                 size: 4,
                 opcode: 32829,
+                branch_dest: None,
             },
         ),
         kind: None,
@@ -1055,6 +1167,7 @@ expression: diff.instruction_rows
                 address: 304,
                 size: 4,
                 opcode: 32786,
+                branch_dest: None,
             },
         ),
         kind: None,
@@ -1068,6 +1181,9 @@ expression: diff.instruction_rows
                 address: 308,
                 size: 4,
                 opcode: 32773,
+                branch_dest: Some(
+                    348,
+                ),
             },
         ),
         kind: None,
@@ -1086,6 +1202,7 @@ expression: diff.instruction_rows
                 address: 312,
                 size: 4,
                 opcode: 32786,
+                branch_dest: None,
             },
         ),
         kind: None,
@@ -1099,6 +1216,7 @@ expression: diff.instruction_rows
                 address: 316,
                 size: 4,
                 opcode: 32786,
+                branch_dest: None,
             },
         ),
         kind: None,
@@ -1112,6 +1230,9 @@ expression: diff.instruction_rows
                 address: 320,
                 size: 4,
                 opcode: 32773,
+                branch_dest: Some(
+                    380,
+                ),
             },
         ),
         kind: None,
@@ -1130,6 +1251,9 @@ expression: diff.instruction_rows
                 address: 324,
                 size: 4,
                 opcode: 32773,
+                branch_dest: Some(
+                    348,
+                ),
             },
         ),
         kind: None,
@@ -1148,6 +1272,7 @@ expression: diff.instruction_rows
                 address: 328,
                 size: 4,
                 opcode: 32786,
+                branch_dest: None,
             },
         ),
         kind: None,
@@ -1168,6 +1293,9 @@ expression: diff.instruction_rows
                 address: 332,
                 size: 4,
                 opcode: 32773,
+                branch_dest: Some(
+                    348,
+                ),
             },
         ),
         kind: None,
@@ -1186,6 +1314,7 @@ expression: diff.instruction_rows
                 address: 336,
                 size: 4,
                 opcode: 32818,
+                branch_dest: None,
             },
         ),
         kind: None,
@@ -1206,6 +1335,7 @@ expression: diff.instruction_rows
                 address: 340,
                 size: 4,
                 opcode: 32774,
+                branch_dest: None,
             },
         ),
         kind: None,
@@ -1219,6 +1349,9 @@ expression: diff.instruction_rows
                 address: 344,
                 size: 4,
                 opcode: 32773,
+                branch_dest: Some(
+                    380,
+                ),
             },
         ),
         kind: None,
@@ -1237,6 +1370,7 @@ expression: diff.instruction_rows
                 address: 348,
                 size: 4,
                 opcode: 32818,
+                branch_dest: None,
             },
         ),
         kind: None,
@@ -1260,6 +1394,7 @@ expression: diff.instruction_rows
                 address: 352,
                 size: 4,
                 opcode: 32774,
+                branch_dest: None,
             },
         ),
         kind: None,
@@ -1273,6 +1408,7 @@ expression: diff.instruction_rows
                 address: 356,
                 size: 4,
                 opcode: 32786,
+                branch_dest: None,
             },
         ),
         kind: None,
@@ -1286,6 +1422,7 @@ expression: diff.instruction_rows
                 address: 360,
                 size: 4,
                 opcode: 32786,
+                branch_dest: None,
             },
         ),
         kind: None,
@@ -1299,6 +1436,9 @@ expression: diff.instruction_rows
                 address: 364,
                 size: 4,
                 opcode: 32773,
+                branch_dest: Some(
+                    380,
+                ),
             },
         ),
         kind: None,
@@ -1317,6 +1457,7 @@ expression: diff.instruction_rows
                 address: 368,
                 size: 4,
                 opcode: 32774,
+                branch_dest: None,
             },
         ),
         kind: None,
@@ -1330,6 +1471,7 @@ expression: diff.instruction_rows
                 address: 372,
                 size: 4,
                 opcode: 32818,
+                branch_dest: None,
             },
         ),
         kind: None,
@@ -1343,6 +1485,7 @@ expression: diff.instruction_rows
                 address: 376,
                 size: 4,
                 opcode: 32899,
+                branch_dest: None,
             },
         ),
         kind: None,
@@ -1356,6 +1499,7 @@ expression: diff.instruction_rows
                 address: 380,
                 size: 4,
                 opcode: 32829,
+                branch_dest: None,
             },
         ),
         kind: None,
@@ -1378,6 +1522,7 @@ expression: diff.instruction_rows
                 address: 384,
                 size: 4,
                 opcode: 32770,
+                branch_dest: None,
             },
         ),
         kind: None,
@@ -1391,6 +1536,7 @@ expression: diff.instruction_rows
                 address: 388,
                 size: 4,
                 opcode: 32770,
+                branch_dest: None,
             },
         ),
         kind: None,
@@ -1404,6 +1550,7 @@ expression: diff.instruction_rows
                 address: 392,
                 size: 4,
                 opcode: 32898,
+                branch_dest: None,
             },
         ),
         kind: None,
@@ -1417,6 +1564,7 @@ expression: diff.instruction_rows
                 address: 396,
                 size: 4,
                 opcode: 32786,
+                branch_dest: None,
             },
         ),
         kind: None,
@@ -1430,6 +1578,9 @@ expression: diff.instruction_rows
                 address: 400,
                 size: 4,
                 opcode: 32773,
+                branch_dest: Some(
+                    424,
+                ),
             },
         ),
         kind: None,
@@ -1448,6 +1599,7 @@ expression: diff.instruction_rows
                 address: 404,
                 size: 4,
                 opcode: 32818,
+                branch_dest: None,
             },
         ),
         kind: None,
@@ -1468,6 +1620,7 @@ expression: diff.instruction_rows
                 address: 408,
                 size: 4,
                 opcode: 32774,
+                branch_dest: None,
             },
         ),
         kind: None,
@@ -1481,6 +1634,7 @@ expression: diff.instruction_rows
                 address: 412,
                 size: 4,
                 opcode: 32770,
+                branch_dest: None,
             },
         ),
         kind: None,
@@ -1494,6 +1648,7 @@ expression: diff.instruction_rows
                 address: 416,
                 size: 4,
                 opcode: 32786,
+                branch_dest: None,
             },
         ),
         kind: None,
@@ -1507,6 +1662,9 @@ expression: diff.instruction_rows
                 address: 420,
                 size: 4,
                 opcode: 32773,
+                branch_dest: Some(
+                    404,
+                ),
             },
         ),
         kind: None,
@@ -1525,6 +1683,7 @@ expression: diff.instruction_rows
                 address: 424,
                 size: 4,
                 opcode: 32799,
+                branch_dest: None,
             },
         ),
         kind: None,
@@ -1545,6 +1704,7 @@ expression: diff.instruction_rows
                 address: 428,
                 size: 4,
                 opcode: 32799,
+                branch_dest: None,
             },
         ),
         kind: None,
@@ -1558,6 +1718,7 @@ expression: diff.instruction_rows
                 address: 432,
                 size: 4,
                 opcode: 32800,
+                branch_dest: None,
             },
         ),
         kind: None,
@@ -1571,6 +1732,7 @@ expression: diff.instruction_rows
                 address: 436,
                 size: 4,
                 opcode: 32786,
+                branch_dest: None,
             },
         ),
         kind: None,
@@ -1584,6 +1746,9 @@ expression: diff.instruction_rows
                 address: 440,
                 size: 4,
                 opcode: 32773,
+                branch_dest: Some(
+                    448,
+                ),
             },
         ),
         kind: None,
@@ -1602,6 +1767,7 @@ expression: diff.instruction_rows
                 address: 444,
                 size: 4,
                 opcode: 32774,
+                branch_dest: None,
             },
         ),
         kind: None,
@@ -1615,6 +1781,7 @@ expression: diff.instruction_rows
                 address: 448,
                 size: 4,
                 opcode: 32818,
+                branch_dest: None,
             },
         ),
         kind: None,
@@ -1635,6 +1802,7 @@ expression: diff.instruction_rows
                 address: 452,
                 size: 4,
                 opcode: 32899,
+                branch_dest: None,
             },
         ),
         kind: None,
@@ -1648,6 +1816,7 @@ expression: diff.instruction_rows
                 address: 456,
                 size: 4,
                 opcode: 32793,
+                branch_dest: None,
             },
         ),
         kind: None,
@@ -1660,7 +1829,8 @@ expression: diff.instruction_rows
             InstructionRef {
                 address: 460,
                 size: 4,
-                opcode: 32771,
+                opcode: 65535,
+                branch_dest: None,
             },
         ),
         kind: None,
@@ -1673,7 +1843,8 @@ expression: diff.instruction_rows
             InstructionRef {
                 address: 464,
                 size: 4,
-                opcode: 32771,
+                opcode: 65535,
+                branch_dest: None,
             },
         ),
         kind: None,
@@ -1693,7 +1864,8 @@ expression: diff.instruction_rows
             InstructionRef {
                 address: 468,
                 size: 4,
-                opcode: 32771,
+                opcode: 65535,
+                branch_dest: None,
             },
         ),
         kind: None,

objdiff-core/tests/snapshots/arch_arm__read_arm-3.snap

@@ -21,15 +21,15 @@ expression: output
 [(Address(64), Normal, 5), (Spacing(4), Normal, 0), (Opcode("b", 32773), Normal, 10), (BranchDest(152), Normal, 0), (Basic(" ~>"), Rotating(5), 0), (Eol, Normal, 0)]
 [(Address(68), Normal, 5), (Spacing(4), Normal, 0), (Opcode("b", 32773), Normal, 10), (BranchDest(164), Normal, 0), (Basic(" ~>"), Rotating(6), 0), (Eol, Normal, 0)]
 [(Address(72), Normal, 5), (Spacing(4), Normal, 0), (Opcode("b", 32773), Normal, 10), (BranchDest(164), Normal, 0), (Basic(" ~>"), Rotating(6), 0), (Eol, Normal, 0)]
-[(Address(76), Normal, 5), (Basic(" ~> "), Rotating(4), 0), (Opcode("ldr", 32799), Normal, 10), (Argument(Opaque("r0")), Normal, 0), (Basic(", "), Normal, 0), (Basic("["), Normal, 0), (Argument(Opaque("pc")), Normal, 0), (Basic(", "), Normal, 0), (Basic("#"), Normal, 0), (Argument(Signed(336)), Normal, 0), (Basic("]"), Normal, 0), (Eol, Normal, 0)]
+[(Address(76), Normal, 5), (Basic(" ~> "), Rotating(4), 0), (Opcode("ldr", 32799), Normal, 10), (Argument(Opaque("r0")), Normal, 0), (Basic(", "), Normal, 0), (Basic("["), Normal, 0), (Argument(Opaque("pc")), Normal, 0), (Basic(", "), Normal, 0), (Basic("#"), Normal, 0), (Argument(Signed(336)), Normal, 0), (Basic("]"), Normal, 0), (Basic(" (->"), Normal, 0), (BranchDest(420), Normal, 0), (Basic(")"), Normal, 0), (Eol, Normal, 0)]
 [(Address(80), Normal, 5), (Spacing(4), Normal, 0), (Opcode("ldr", 32799), Normal, 10), (Argument(Opaque("r0")), Normal, 0), (Basic(", "), Normal, 0), (Basic("["), Normal, 0), (Argument(Opaque("r0")), Normal, 0), (Basic(", "), Normal, 0), (Basic("#"), Normal, 0), (Argument(Signed(0)), Normal, 0), (Basic("]"), Normal, 0), (Eol, Normal, 0)]
 [(Address(84), Normal, 5), (Spacing(4), Normal, 0), (Opcode("bl", 32774), Normal, 10), (Symbol(Symbol { name: "_ZN18UnkStruct_027e103c19func_ov000_020cf01cEv", demangled_name: Some("UnkStruct_027e103c::func_ov000_020cf01c()"), address: 0, size: 0, kind: Unknown, section: None, flags: FlagSet(Global | Weak), align: None, virtual_address: None }), Bright, 0), (Addend(-8), Bright, 0), (Eol, Normal, 0)]
 [(Address(88), Normal, 5), (Spacing(4), Normal, 0), (Opcode("ldrb", 32800), Normal, 10), (Argument(Opaque("r0")), Normal, 0), (Basic(", "), Normal, 0), (Basic("["), Normal, 0), (Argument(Opaque("r0")), Normal, 0), (Basic(", "), Normal, 0), (Basic("#"), Normal, 0), (Argument(Signed(224)), Normal, 0), (Basic("]"), Normal, 0), (Eol, Normal, 0)]
 [(Address(92), Normal, 5), (Spacing(4), Normal, 0), (Opcode("cmp", 32786), Normal, 10), (Argument(Opaque("r0")), Normal, 0), (Basic(", "), Normal, 0), (Basic("#"), Normal, 0), (Argument(Unsigned(0)), Normal, 0), (Eol, Normal, 0)]
 [(Address(96), Normal, 5), (Spacing(4), Normal, 0), (Opcode("bne", 32773), Normal, 10), (BranchDest(108), Normal, 0), (Basic(" ~>"), Rotating(7), 0), (Eol, Normal, 0)]
-[(Address(100), Normal, 5), (Spacing(4), Normal, 0), (Opcode("bl", 32774), Normal, 10), (Symbol(Symbol { name: "_ZN13LinkStateItem15GetEquipBombchuEv", demangled_name: Some("LinkStateItem::GetEquipBombchu()"), address: 472, size: 16, kind: Function, section: Some(0), flags: FlagSet(Global), align: None, virtual_address: None }), Bright, 0), (Addend(-8), Bright, 0), (Basic(" ~>"), Rotating(8), 0), (Eol, Normal, 0)]
+[(Address(100), Normal, 5), (Spacing(4), Normal, 0), (Opcode("bl", 32774), Normal, 10), (BranchDest(424), Normal, 0), (Basic(" ~>"), Rotating(8), 0), (Eol, Normal, 0)]
 [(Address(104), Normal, 5), (Spacing(4), Normal, 0), (Opcode("bl", 32774), Normal, 10), (Symbol(Symbol { name: "_ZN12EquipBombchu19func_ov014_0213ec64Ev", demangled_name: Some("EquipBombchu::func_ov014_0213ec64()"), address: 0, size: 0, kind: Unknown, section: None, flags: FlagSet(Global | Weak), align: None, virtual_address: None }), Bright, 0), (Addend(-8), Bright, 0), (Eol, Normal, 0)]
-[(Address(108), Normal, 5), (Basic(" ~> "), Rotating(7), 0), (Opcode("ldr", 32799), Normal, 10), (Argument(Opaque("r0")), Normal, 0), (Basic(", "), Normal, 0), (Basic("["), Normal, 0), (Argument(Opaque("pc")), Normal, 0), (Basic(", "), Normal, 0), (Basic("#"), Normal, 0), (Argument(Signed(308)), Normal, 0), (Basic("]"), Normal, 0), (Eol, Normal, 0)]
+[(Address(108), Normal, 5), (Basic(" ~> "), Rotating(7), 0), (Opcode("ldr", 32799), Normal, 10), (Argument(Opaque("r0")), Normal, 0), (Basic(", "), Normal, 0), (Basic("["), Normal, 0), (Argument(Opaque("pc")), Normal, 0), (Basic(", "), Normal, 0), (Basic("#"), Normal, 0), (Argument(Signed(308)), Normal, 0), (Basic("]"), Normal, 0), (Basic(" (->"), Normal, 0), (BranchDest(424), Normal, 0), (Basic(")"), Normal, 0), (Eol, Normal, 0)]
 [(Address(112), Normal, 5), (Spacing(4), Normal, 0), (Opcode("ldr", 32799), Normal, 10), (Argument(Opaque("r0")), Normal, 0), (Basic(", "), Normal, 0), (Basic("["), Normal, 0), (Argument(Opaque("r0")), Normal, 0), (Basic(", "), Normal, 0), (Basic("#"), Normal, 0), (Argument(Signed(0)), Normal, 0), (Basic("]"), Normal, 0), (Eol, Normal, 0)]
 [(Address(116), Normal, 5), (Spacing(4), Normal, 0), (Opcode("blx", 32777), Normal, 10), (Symbol(Symbol { name: "_Z19func_ov014_0211fd04Pi", demangled_name: Some("func_ov014_0211fd04(int*)"), address: 0, size: 0, kind: Unknown, section: None, flags: FlagSet(Global | Weak), align: None, virtual_address: None }), Bright, 0), (Addend(-8), Bright, 0), (Eol, Normal, 0)]
 [(Address(120), Normal, 5), (Spacing(4), Normal, 0), (Opcode("b", 32773), Normal, 10), (BranchDest(200), Normal, 0), (Basic(" ~>"), Rotating(0), 0), (Eol, Normal, 0)]
@@ -43,7 +43,7 @@ expression: output
 [(Address(152), Normal, 5), (Basic(" ~> "), Rotating(5), 0), (Opcode("mov", 32818), Normal, 10), (Argument(Opaque("r0")), Normal, 0), (Basic(", "), Normal, 0), (Argument(Opaque("r5")), Normal, 0), (Eol, Normal, 0)]
 [(Address(156), Normal, 5), (Spacing(4), Normal, 0), (Opcode("bl", 32774), Normal, 10), (Symbol(Symbol { name: "_ZN13LinkStateItem15StopUsingHammerEv", demangled_name: Some("LinkStateItem::StopUsingHammer()"), address: 0, size: 0, kind: Unknown, section: None, flags: FlagSet(Global | Weak), align: None, virtual_address: None }), Bright, 0), (Addend(-8), Bright, 0), (Eol, Normal, 0)]
 [(Address(160), Normal, 5), (Spacing(4), Normal, 0), (Opcode("b", 32773), Normal, 10), (BranchDest(200), Normal, 0), (Basic(" ~>"), Rotating(0), 0), (Eol, Normal, 0)]
-[(Address(164), Normal, 5), (Basic(" ~> "), Rotating(6), 0), (Opcode("ldr", 32799), Normal, 10), (Argument(Opaque("r0")), Normal, 0), (Basic(", "), Normal, 0), (Basic("["), Normal, 0), (Argument(Opaque("pc")), Normal, 0), (Basic(", "), Normal, 0), (Basic("#"), Normal, 0), (Argument(Signed(248)), Normal, 0), (Basic("]"), Normal, 0), (Eol, Normal, 0)]
+[(Address(164), Normal, 5), (Basic(" ~> "), Rotating(6), 0), (Opcode("ldr", 32799), Normal, 10), (Argument(Opaque("r0")), Normal, 0), (Basic(", "), Normal, 0), (Basic("["), Normal, 0), (Argument(Opaque("pc")), Normal, 0), (Basic(", "), Normal, 0), (Basic("#"), Normal, 0), (Argument(Signed(248)), Normal, 0), (Basic("]"), Normal, 0), (Basic(" (->"), Normal, 0), (BranchDest(420), Normal, 0), (Basic(")"), Normal, 0), (Eol, Normal, 0)]
 [(Address(168), Normal, 5), (Spacing(4), Normal, 0), (Opcode("mov", 32818), Normal, 10), (Argument(Opaque("r1")), Normal, 0), (Basic(", "), Normal, 0), (Basic("#"), Normal, 0), (Argument(Unsigned(0)), Normal, 0), (Eol, Normal, 0)]
 [(Address(172), Normal, 5), (Spacing(4), Normal, 0), (Opcode("ldr", 32799), Normal, 10), (Argument(Opaque("r0")), Normal, 0), (Basic(", "), Normal, 0), (Basic("["), Normal, 0), (Argument(Opaque("r0")), Normal, 0), (Basic(", "), Normal, 0), (Basic("#"), Normal, 0), (Argument(Signed(0)), Normal, 0), (Basic("]"), Normal, 0), (Eol, Normal, 0)]
 [(Address(176), Normal, 5), (Spacing(4), Normal, 0), (Opcode("mov", 32818), Normal, 10), (Argument(Opaque("r2")), Normal, 0), (Basic(", "), Normal, 0), (Argument(Opaque("r1")), Normal, 0), (Eol, Normal, 0)]
@@ -98,7 +98,7 @@ expression: output
 [(Address(372), Normal, 5), (Spacing(4), Normal, 0), (Opcode("add", 32770), Normal, 10), (Argument(Opaque("r6")), Normal, 0), (Basic(", "), Normal, 0), (Argument(Opaque("r6")), Normal, 0), (Basic(", "), Normal, 0), (Basic("#"), Normal, 0), (Argument(Unsigned(4)), Normal, 0), (Eol, Normal, 0)]
 [(Address(376), Normal, 5), (Spacing(4), Normal, 0), (Opcode("cmp", 32786), Normal, 10), (Argument(Opaque("r6")), Normal, 0), (Basic(", "), Normal, 0), (Argument(Opaque("r4")), Normal, 0), (Eol, Normal, 0)]
 [(Address(380), Normal, 5), (Spacing(4), Normal, 0), (Opcode("bne", 32773), Normal, 10), (BranchDest(364), Normal, 0), (Basic(" ~>"), Rotating(15), 0), (Eol, Normal, 0)]
-[(Address(384), Normal, 5), (Basic(" ~> "), Rotating(14), 0), (Opcode("ldr", 32799), Normal, 10), (Argument(Opaque("r0")), Normal, 0), (Basic(", "), Normal, 0), (Basic("["), Normal, 0), (Argument(Opaque("pc")), Normal, 0), (Basic(", "), Normal, 0), (Basic("#"), Normal, 0), (Argument(Signed(36)), Normal, 0), (Basic("]"), Normal, 0), (Eol, Normal, 0)]
+[(Address(384), Normal, 5), (Basic(" ~> "), Rotating(14), 0), (Opcode("ldr", 32799), Normal, 10), (Argument(Opaque("r0")), Normal, 0), (Basic(", "), Normal, 0), (Basic("["), Normal, 0), (Argument(Opaque("pc")), Normal, 0), (Basic(", "), Normal, 0), (Basic("#"), Normal, 0), (Argument(Signed(36)), Normal, 0), (Basic("]"), Normal, 0), (Basic(" (->"), Normal, 0), (BranchDest(428), Normal, 0), (Basic(")"), Normal, 0), (Eol, Normal, 0)]
 [(Address(388), Normal, 5), (Spacing(4), Normal, 0), (Opcode("ldr", 32799), Normal, 10), (Argument(Opaque("r0")), Normal, 0), (Basic(", "), Normal, 0), (Basic("["), Normal, 0), (Argument(Opaque("r0")), Normal, 0), (Basic(", "), Normal, 0), (Basic("#"), Normal, 0), (Argument(Signed(0)), Normal, 0), (Basic("]"), Normal, 0), (Eol, Normal, 0)]
 [(Address(392), Normal, 5), (Spacing(4), Normal, 0), (Opcode("ldrb", 32800), Normal, 10), (Argument(Opaque("r1")), Normal, 0), (Basic(", "), Normal, 0), (Basic("["), Normal, 0), (Argument(Opaque("r0")), Normal, 0), (Basic(", "), Normal, 0), (Basic("#"), Normal, 0), (Argument(Signed(128)), Normal, 0), (Basic("]"), Normal, 0), (Eol, Normal, 0)]
 [(Address(396), Normal, 5), (Spacing(4), Normal, 0), (Opcode("cmp", 32786), Normal, 10), (Argument(Opaque("r1")), Normal, 0), (Basic(", "), Normal, 0), (Basic("#"), Normal, 0), (Argument(Unsigned(0)), Normal, 0), (Eol, Normal, 0)]
@@ -107,6 +107,6 @@ expression: output
 [(Address(408), Normal, 5), (Basic(" ~> "), Rotating(16), 0), (Opcode("mov", 32818), Normal, 10), (Argument(Opaque("r0")), Normal, 0), (Basic(", "), Normal, 0), (Basic("#"), Normal, 0), (Argument(Unsigned(0)), Normal, 0), (Eol, Normal, 0)]
 [(Address(412), Normal, 5), (Spacing(4), Normal, 0), (Opcode("strb", 32899), Normal, 10), (Argument(Opaque("r0")), Normal, 0), (Basic(", "), Normal, 0), (Basic("["), Normal, 0), (Argument(Opaque("r5")), Normal, 0), (Basic(", "), Normal, 0), (Basic("#"), Normal, 0), (Argument(Signed(38)), Normal, 0), (Basic("]"), Normal, 0), (Eol, Normal, 0)]
 [(Address(416), Normal, 5), (Spacing(4), Normal, 0), (Opcode("ldmia", 32793), Normal, 10), (Argument(Opaque("sp")), Normal, 0), (Argument(Opaque("!")), Normal, 0), (Basic(", "), Normal, 0), (Basic("{"), Normal, 0), (Argument(Opaque("r4")), Normal, 0), (Basic(", "), Normal, 0), (Argument(Opaque("r5")), Normal, 0), (Basic(", "), Normal, 0), (Argument(Opaque("r6")), Normal, 0), (Basic(", "), Normal, 0), (Argument(Opaque("pc")), Normal, 0), (Basic("}"), Normal, 0), (Eol, Normal, 0)]
-[(Address(420), Normal, 5), (Spacing(4), Normal, 0), (Opcode("andeq", 32771), Normal, 10), (Argument(Opaque("r0")), Normal, 0), (Basic(", "), Normal, 0), (Argument(Opaque("r0")), Normal, 0), (Basic(", "), Normal, 0), (Argument(Opaque("r0")), Normal, 0), (Basic(" <"), Normal, 0), (Symbol(Symbol { name: "data_027e103c", demangled_name: None, address: 0, size: 0, kind: Unknown, section: None, flags: FlagSet(Global | Weak), align: None, virtual_address: None }), Bright, 0), (Basic(">"), Normal, 0), (Eol, Normal, 0)]
-[(Address(424), Normal, 5), (Basic(" ~> "), Rotating(8), 0), (Opcode("andeq", 32771), Normal, 10), (Argument(Opaque("r0")), Normal, 0), (Basic(", "), Normal, 0), (Argument(Opaque("r0")), Normal, 0), (Basic(", "), Normal, 0), (Argument(Opaque("r0")), Normal, 0), (Basic(" <"), Normal, 0), (Symbol(Symbol { name: "data_027e1098", demangled_name: None, address: 0, size: 0, kind: Unknown, section: None, flags: FlagSet(Global | Weak), align: None, virtual_address: None }), Bright, 0), (Basic(">"), Normal, 0), (Eol, Normal, 0)]
-[(Address(428), Normal, 5), (Spacing(4), Normal, 0), (Opcode("andeq", 32771), Normal, 10), (Argument(Opaque("r0")), Normal, 0), (Basic(", "), Normal, 0), (Argument(Opaque("r0")), Normal, 0), (Basic(", "), Normal, 0), (Argument(Opaque("r0")), Normal, 0), (Basic(" <"), Normal, 0), (Symbol(Symbol { name: "gPlayerControl", demangled_name: None, address: 0, size: 0, kind: Unknown, section: None, flags: FlagSet(Global | Weak), align: None, virtual_address: None }), Bright, 0), (Basic(">"), Normal, 0), (Eol, Normal, 0)]
+[(Address(420), Normal, 5), (Spacing(4), Normal, 0), (Opcode(".word", 65535), Normal, 10), (Symbol(Symbol { name: "data_027e103c", demangled_name: None, address: 0, size: 0, kind: Unknown, section: None, flags: FlagSet(Global | Weak), align: None, virtual_address: None }), Bright, 0), (Eol, Normal, 0)]
+[(Address(424), Normal, 5), (Basic(" ~> "), Rotating(8), 0), (Opcode(".word", 65535), Normal, 10), (Symbol(Symbol { name: "data_027e1098", demangled_name: None, address: 0, size: 0, kind: Unknown, section: None, flags: FlagSet(Global | Weak), align: None, virtual_address: None }), Bright, 0), (Eol, Normal, 0)]
+[(Address(428), Normal, 5), (Spacing(4), Normal, 0), (Opcode(".word", 65535), Normal, 10), (Symbol(Symbol { name: "gPlayerControl", demangled_name: None, address: 0, size: 0, kind: Unknown, section: None, flags: FlagSet(Global | Weak), align: None, virtual_address: None }), Bright, 0), (Eol, Normal, 0)]

objdiff-core/tests/snapshots/arch_arm__read_arm.snap

@@ -5,7 +5,7 @@ expression: obj
 Object {
     arch: ArchArm {
         disasm_modes: {
-            1: [
+            0: [
                 DisasmMode {
                     address: 0,
                     mapping: Thumb,
@@ -1519,6 +1519,9 @@ Object {
                 556,
             ),
             flags: FlagSet(),
+            align: Some(
+                1,
+            ),
             relocations: [
                 Relocation {
                     flags: Elf(
@@ -1718,6 +1721,9 @@ Object {
                 0,
             ),
             flags: FlagSet(),
+            align: Some(
+                4,
+            ),
             relocations: [],
             line_info: {},
             virtual_address: None,
@@ -1732,6 +1738,9 @@ Object {
                 76,
             ),
             flags: FlagSet(),
+            align: Some(
+                1,
+            ),
             relocations: [
                 Relocation {
                     flags: Elf(
@@ -1883,6 +1892,9 @@ Object {
                 0,
             ),
             flags: FlagSet(),
+            align: Some(
+                4,
+            ),
             relocations: [],
             line_info: {},
             virtual_address: None,
@@ -1897,6 +1909,9 @@ Object {
                 0,
             ),
             flags: FlagSet(),
+            align: Some(
+                4,
+            ),
             relocations: [],
             line_info: {},
             virtual_address: None,
@@ -1911,6 +1926,9 @@ Object {
                 0,
             ),
             flags: FlagSet(),
+            align: Some(
+                1,
+            ),
             relocations: [],
             line_info: {},
             virtual_address: None,
@@ -1925,6 +1943,9 @@ Object {
                 0,
             ),
             flags: FlagSet(),
+            align: Some(
+                1,
+            ),
             relocations: [],
             line_info: {},
             virtual_address: None,

objdiff-core/tests/snapshots/arch_arm__read_thumb-3.snap

@@ -0,0 +1,111 @@
+---
+source: objdiff-core/tests/arch_arm.rs
+assertion_line: 33
+expression: output
+---
+[(Line(37), Dim, 5), (Address(0), Normal, 5), (Spacing(4), Normal, 0), (Opcode("push", 56), Normal, 10), (Basic("{"), Normal, 0), (Argument(Opaque("r3")), Normal, 0), (Basic(", "), Normal, 0), (Argument(Opaque("r4")), Normal, 0), (Basic(", "), Normal, 0), (Argument(Opaque("r5")), Normal, 0), (Basic(", "), Normal, 0), (Argument(Opaque("r6")), Normal, 0), (Basic(", "), Normal, 0), (Argument(Opaque("r7")), Normal, 0), (Basic(", "), Normal, 0), (Argument(Opaque("lr")), Normal, 0), (Basic("}"), Normal, 0), (Eol, Normal, 0)]
+[(Line(37), Dim, 5), (Address(2), Normal, 5), (Spacing(4), Normal, 0), (Opcode("sub", 74), Normal, 10), (Argument(Opaque("sp")), Normal, 0), (Basic(", "), Normal, 0), (Argument(Opaque("sp")), Normal, 0), (Basic(", "), Normal, 0), (Basic("#"), Normal, 0), (Argument(Signed(16)), Normal, 0), (Eol, Normal, 0)]
+[(Line(37), Dim, 5), (Address(4), Normal, 5), (Spacing(4), Normal, 0), (Opcode("mov", 47), Normal, 10), (Argument(Opaque("r5")), Normal, 0), (Basic(", "), Normal, 0), (Argument(Opaque("r0")), Normal, 0), (Eol, Normal, 0)]
+[(Line(39), Dim, 5), (Address(6), Normal, 5), (Spacing(4), Normal, 0), (Opcode("mov", 47), Normal, 10), (Argument(Opaque("r0")), Normal, 0), (Basic(", "), Normal, 0), (Argument(Opaque("r3")), Normal, 0), (Eol, Normal, 0)]
+[(Line(39), Dim, 5), (Address(8), Normal, 5), (Spacing(4), Normal, 0), (Opcode("mov", 47), Normal, 10), (Argument(Opaque("r4")), Normal, 0), (Basic(", "), Normal, 0), (Argument(Opaque("r1")), Normal, 0), (Eol, Normal, 0)]
+[(Line(39), Dim, 5), (Address(10), Normal, 5), (Spacing(4), Normal, 0), (Opcode("mov", 47), Normal, 10), (Argument(Opaque("r6")), Normal, 0), (Basic(", "), Normal, 0), (Argument(Opaque("r2")), Normal, 0), (Eol, Normal, 0)]
+[(Line(39), Dim, 5), (Address(12), Normal, 5), (Spacing(4), Normal, 0), (Opcode("str", 66), Normal, 10), (Argument(Opaque("r3")), Normal, 0), (Basic(", "), Normal, 0), (Basic("["), Normal, 0), (Argument(Opaque("sp")), Normal, 0), (Basic(", "), Normal, 0), (Basic("#"), Normal, 0), (Argument(Signed(4)), Normal, 0), (Basic("]"), Normal, 0), (Eol, Normal, 0)]
+[(Line(39), Dim, 5), (Address(14), Normal, 5), (Spacing(4), Normal, 0), (Opcode("bl", 19), Normal, 10), (Symbol(Symbol { name: "PokeSet_IsRemovedAll", demangled_name: None, address: 0, size: 0, kind: Unknown, section: None, flags: FlagSet(Global), align: None, virtual_address: None }), Bright, 0), (Addend(-4), Bright, 0), (Eol, Normal, 0)]
+[(Line(39), Dim, 5), (Address(18), Normal, 5), (Spacing(4), Normal, 0), (Opcode("cmp", 25), Normal, 10), (Argument(Opaque("r0")), Normal, 0), (Basic(", "), Normal, 0), (Basic("#"), Normal, 0), (Argument(Unsigned(0)), Normal, 0), (Eol, Normal, 0)]
+[(Line(39), Dim, 5), (Address(20), Normal, 5), (Spacing(4), Normal, 0), (Opcode("bne", 15), Normal, 10), (BranchDest(212), Normal, 0), (Basic(" ~>"), Rotating(0), 0), (Eol, Normal, 0)]
+[(Line(44), Dim, 5), (Address(22), Normal, 5), (Spacing(4), Normal, 0), (Opcode("ldrh", 38), Normal, 10), (Argument(Opaque("r1")), Normal, 0), (Basic(", "), Normal, 0), (Basic("["), Normal, 0), (Argument(Opaque("r4")), Normal, 0), (Basic(", "), Normal, 0), (Basic("#"), Normal, 0), (Argument(Signed(0)), Normal, 0), (Basic("]"), Normal, 0), (Eol, Normal, 0)]
+[(Line(44), Dim, 5), (Address(24), Normal, 5), (Spacing(4), Normal, 0), (Opcode("cmp", 25), Normal, 10), (Argument(Opaque("r1")), Normal, 0), (Basic(", "), Normal, 0), (Basic("#"), Normal, 0), (Argument(Unsigned(164)), Normal, 0), (Eol, Normal, 0)]
+[(Line(44), Dim, 5), (Address(26), Normal, 5), (Spacing(4), Normal, 0), (Opcode("beq", 15), Normal, 10), (BranchDest(48), Normal, 0), (Basic(" ~>"), Rotating(1), 0), (Eol, Normal, 0)]
+[(Line(44), Dim, 5), (Address(28), Normal, 5), (Spacing(4), Normal, 0), (Opcode("ldr", 34), Normal, 10), (Argument(Opaque("r0")), Normal, 0), (Basic(", "), Normal, 0), (Basic("["), Normal, 0), (Argument(Opaque("pc")), Normal, 0), (Basic(", "), Normal, 0), (Basic("#"), Normal, 0), (Argument(Signed(184)), Normal, 0), (Basic("]"), Normal, 0), (Basic(" (->"), Normal, 0), (BranchDest(216), Normal, 0), (Basic(")"), Normal, 0), (Eol, Normal, 0)]
+[(Line(44), Dim, 5), (Address(30), Normal, 5), (Spacing(4), Normal, 0), (Opcode("cmp", 26), Normal, 10), (Argument(Opaque("r1")), Normal, 0), (Basic(", "), Normal, 0), (Argument(Opaque("r0")), Normal, 0), (Eol, Normal, 0)]
+[(Line(44), Dim, 5), (Address(32), Normal, 5), (Spacing(4), Normal, 0), (Opcode("bne", 15), Normal, 10), (BranchDest(94), Normal, 0), (Basic(" ~>"), Rotating(2), 0), (Eol, Normal, 0)]
+[(Line(47), Dim, 5), (Address(34), Normal, 5), (Spacing(4), Normal, 0), (Opcode("ldr", 35), Normal, 10), (Argument(Opaque("r2")), Normal, 0), (Basic(", "), Normal, 0), (Basic("["), Normal, 0), (Argument(Opaque("sp")), Normal, 0), (Basic(", "), Normal, 0), (Basic("#"), Normal, 0), (Argument(Signed(4)), Normal, 0), (Basic("]"), Normal, 0), (Eol, Normal, 0)]
+[(Line(47), Dim, 5), (Address(36), Normal, 5), (Spacing(4), Normal, 0), (Opcode("mov", 47), Normal, 10), (Argument(Opaque("r0")), Normal, 0), (Basic(", "), Normal, 0), (Argument(Opaque("r5")), Normal, 0), (Eol, Normal, 0)]
+[(Line(47), Dim, 5), (Address(38), Normal, 5), (Spacing(4), Normal, 0), (Opcode("mov", 47), Normal, 10), (Argument(Opaque("r1")), Normal, 0), (Basic(", "), Normal, 0), (Argument(Opaque("r6")), Normal, 0), (Eol, Normal, 0)]
+[(Line(47), Dim, 5), (Address(40), Normal, 5), (Spacing(4), Normal, 0), (Opcode("bl", 19), Normal, 10), (Symbol(Symbol { name: "ServerDisplay_SkillSwap", demangled_name: None, address: 0, size: 0, kind: Unknown, section: None, flags: FlagSet(Global), align: None, virtual_address: None }), Bright, 0), (Addend(-4), Bright, 0), (Eol, Normal, 0)]
+[(Line(86), Dim, 5), (Address(44), Normal, 5), (Spacing(4), Normal, 0), (Opcode("add", 7), Normal, 10), (Argument(Opaque("sp")), Normal, 0), (Basic(", "), Normal, 0), (Basic("#"), Normal, 0), (Argument(Signed(16)), Normal, 0), (Eol, Normal, 0)]
+[(Line(86), Dim, 5), (Address(46), Normal, 5), (Spacing(4), Normal, 0), (Opcode("pop", 55), Normal, 10), (Basic("{"), Normal, 0), (Argument(Opaque("r3")), Normal, 0), (Basic(", "), Normal, 0), (Argument(Opaque("r4")), Normal, 0), (Basic(", "), Normal, 0), (Argument(Opaque("r5")), Normal, 0), (Basic(", "), Normal, 0), (Argument(Opaque("r6")), Normal, 0), (Basic(", "), Normal, 0), (Argument(Opaque("r7")), Normal, 0), (Basic(", "), Normal, 0), (Argument(Opaque("pc")), Normal, 0), (Basic("}"), Normal, 0), (Eol, Normal, 0)]
+[(Line(50), Dim, 5), (Address(48), Normal, 5), (Basic(" ~> "), Rotating(1), 0), (Opcode("mov", 47), Normal, 10), (Argument(Opaque("r0")), Normal, 0), (Basic(", "), Normal, 0), (Argument(Opaque("r5")), Normal, 0), (Eol, Normal, 0)]
+[(Line(50), Dim, 5), (Address(50), Normal, 5), (Spacing(4), Normal, 0), (Opcode("mov", 47), Normal, 10), (Argument(Opaque("r1")), Normal, 0), (Basic(", "), Normal, 0), (Argument(Opaque("r6")), Normal, 0), (Eol, Normal, 0)]
+[(Line(50), Dim, 5), (Address(52), Normal, 5), (Spacing(4), Normal, 0), (Opcode("bl", 19), Normal, 10), (Symbol(Symbol { name: "ServerEvent_CreateSubstitute", demangled_name: None, address: 0, size: 0, kind: Unknown, section: None, flags: FlagSet(Global), align: None, virtual_address: None }), Bright, 0), (Addend(-4), Bright, 0), (Eol, Normal, 0)]
+[(Line(50), Dim, 5), (Address(56), Normal, 5), (Spacing(4), Normal, 0), (Opcode("cmp", 25), Normal, 10), (Argument(Opaque("r0")), Normal, 0), (Basic(", "), Normal, 0), (Basic("#"), Normal, 0), (Argument(Unsigned(0)), Normal, 0), (Eol, Normal, 0)]
+[(Line(50), Dim, 5), (Address(58), Normal, 5), (Spacing(4), Normal, 0), (Opcode("beq", 15), Normal, 10), (BranchDest(212), Normal, 0), (Basic(" ~>"), Rotating(0), 0), (Eol, Normal, 0)]
+[(Line(52), Dim, 5), (Address(60), Normal, 5), (Spacing(4), Normal, 0), (Opcode("ldr", 34), Normal, 10), (Argument(Opaque("r0")), Normal, 0), (Basic(", "), Normal, 0), (Basic("["), Normal, 0), (Argument(Opaque("pc")), Normal, 0), (Basic(", "), Normal, 0), (Basic("#"), Normal, 0), (Argument(Signed(156)), Normal, 0), (Basic("]"), Normal, 0), (Basic(" (->"), Normal, 0), (BranchDest(220), Normal, 0), (Basic(")"), Normal, 0), (Eol, Normal, 0)]
+[(Line(52), Dim, 5), (Address(62), Normal, 5), (Spacing(4), Normal, 0), (Opcode("ldr", 33), Normal, 10), (Argument(Opaque("r0")), Normal, 0), (Basic(", "), Normal, 0), (Basic("["), Normal, 0), (Argument(Opaque("r5")), Normal, 0), (Basic(", "), Normal, 0), (Argument(Opaque("r0")), Normal, 0), (Basic("]"), Normal, 0), (Eol, Normal, 0)]
+[(Line(52), Dim, 5), (Address(64), Normal, 5), (Spacing(4), Normal, 0), (Opcode("ldrb", 36), Normal, 10), (Argument(Opaque("r2")), Normal, 0), (Basic(", "), Normal, 0), (Basic("["), Normal, 0), (Argument(Opaque("r0")), Normal, 0), (Basic(", "), Normal, 0), (Basic("#"), Normal, 0), (Argument(Signed(5)), Normal, 0), (Basic("]"), Normal, 0), (Eol, Normal, 0)]
+[(Line(52), Dim, 5), (Address(66), Normal, 5), (Spacing(4), Normal, 0), (Opcode("lsl", 42), Normal, 10), (Argument(Opaque("r1")), Normal, 0), (Basic(", "), Normal, 0), (Argument(Opaque("r2")), Normal, 0), (Basic(", "), Normal, 0), (Basic("#"), Normal, 0), (Argument(Unsigned(31)), Normal, 0), (Eol, Normal, 0)]
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+[(Line(81), Dim, 5), (Address(208), Normal, 5), (Spacing(4), Normal, 0), (Opcode("bl", 19), Normal, 10), (Symbol(Symbol { name: "HEManager_PopState", demangled_name: None, address: 0, size: 0, kind: Unknown, section: None, flags: FlagSet(Global), align: None, virtual_address: None }), Bright, 0), (Addend(-4), Bright, 0), (Eol, Normal, 0)]
+[(Line(86), Dim, 5), (Address(212), Normal, 5), (Basic(" ~> "), Rotating(0), 0), (Opcode("add", 7), Normal, 10), (Argument(Opaque("sp")), Normal, 0), (Basic(", "), Normal, 0), (Basic("#"), Normal, 0), (Argument(Signed(16)), Normal, 0), (Eol, Normal, 0)]
+[(Line(86), Dim, 5), (Address(214), Normal, 5), (Spacing(4), Normal, 0), (Opcode("pop", 55), Normal, 10), (Basic("{"), Normal, 0), (Argument(Opaque("r3")), Normal, 0), (Basic(", "), Normal, 0), (Argument(Opaque("r4")), Normal, 0), (Basic(", "), Normal, 0), (Argument(Opaque("r5")), Normal, 0), (Basic(", "), Normal, 0), (Argument(Opaque("r6")), Normal, 0), (Basic(", "), Normal, 0), (Argument(Opaque("r7")), Normal, 0), (Basic(", "), Normal, 0), (Argument(Opaque("pc")), Normal, 0), (Basic("}"), Normal, 0), (Eol, Normal, 0)]
+[(Line(86), Dim, 5), (Address(216), Normal, 5), (Spacing(4), Normal, 0), (Opcode(".word", 65535), Normal, 10), (Basic("#"), Normal, 0), (Argument(Unsigned(285)), Normal, 0), (Eol, Normal, 0)]
+[(Line(86), Dim, 5), (Address(220), Normal, 5), (Spacing(4), Normal, 0), (Opcode(".word", 65535), Normal, 10), (Basic("#"), Normal, 0), (Argument(Unsigned(1192)), Normal, 0), (Eol, Normal, 0)]
+[(Line(86), Dim, 5), (Address(224), Normal, 5), (Spacing(4), Normal, 0), (Opcode(".word", 65535), Normal, 10), (Basic("#"), Normal, 0), (Argument(Unsigned(7544)), Normal, 0), (Eol, Normal, 0)]
+[(Line(86), Dim, 5), (Address(228), Normal, 5), (Spacing(4), Normal, 0), (Opcode(".word", 65535), Normal, 10), (Basic("#"), Normal, 0), (Argument(Unsigned(9103)), Normal, 0), (Eol, Normal, 0)]
+[(Line(86), Dim, 5), (Address(232), Normal, 5), (Spacing(4), Normal, 0), (Opcode(".word", 65535), Normal, 10), (Basic("#"), Normal, 0), (Argument(Unsigned(1930)), Normal, 0), (Eol, Normal, 0)]
+[(Line(86), Dim, 5), (Address(236), Normal, 5), (Spacing(4), Normal, 0), (Opcode(".word", 65535), Normal, 10), (Basic("#"), Normal, 0), (Argument(Unsigned(4294901760)), Normal, 0), (Eol, Normal, 0)]
+[(Line(86), Dim, 5), (Address(240), Normal, 5), (Spacing(4), Normal, 0), (Opcode(".word", 65535), Normal, 10), (Basic("#"), Normal, 0), (Argument(Unsigned(9129)), Normal, 0), (Eol, Normal, 0)]

objdiff-core/tests/snapshots/arch_mips__read_mips-2.snap

@@ -9,6 +9,7 @@ expression: diff.instruction_rows
                 address: 0,
                 size: 4,
                 opcode: 12,
+                branch_dest: None,
             },
         ),
         kind: None,
@@ -22,6 +23,7 @@ expression: diff.instruction_rows
                 address: 4,
                 size: 4,
                 opcode: 44,
+                branch_dest: None,
             },
         ),
         kind: None,
@@ -35,6 +37,7 @@ expression: diff.instruction_rows
                 address: 8,
                 size: 4,
                 opcode: 44,
+                branch_dest: None,
             },
         ),
         kind: None,
@@ -48,6 +51,7 @@ expression: diff.instruction_rows
                 address: 12,
                 size: 4,
                 opcode: 44,
+                branch_dest: None,
             },
         ),
         kind: None,
@@ -61,6 +65,7 @@ expression: diff.instruction_rows
                 address: 16,
                 size: 4,
                 opcode: 44,
+                branch_dest: None,
             },
         ),
         kind: None,
@@ -74,6 +79,7 @@ expression: diff.instruction_rows
                 address: 20,
                 size: 4,
                 opcode: 2,
+                branch_dest: None,
             },
         ),
         kind: None,
@@ -87,6 +93,7 @@ expression: diff.instruction_rows
                 address: 24,
                 size: 4,
                 opcode: 113,
+                branch_dest: None,
             },
         ),
         kind: None,
@@ -100,6 +107,7 @@ expression: diff.instruction_rows
                 address: 28,
                 size: 4,
                 opcode: 26,
+                branch_dest: None,
             },
         ),
         kind: None,
@@ -113,6 +121,7 @@ expression: diff.instruction_rows
                 address: 32,
                 size: 4,
                 opcode: 20,
+                branch_dest: None,
             },
         ),
         kind: None,
@@ -126,6 +135,7 @@ expression: diff.instruction_rows
                 address: 36,
                 size: 4,
                 opcode: 97,
+                branch_dest: None,
             },
         ),
         kind: None,
@@ -139,6 +149,7 @@ expression: diff.instruction_rows
                 address: 40,
                 size: 4,
                 opcode: 2,
+                branch_dest: None,
             },
         ),
         kind: None,
@@ -152,6 +163,7 @@ expression: diff.instruction_rows
                 address: 44,
                 size: 4,
                 opcode: 12,
+                branch_dest: None,
             },
         ),
         kind: None,
@@ -165,6 +177,7 @@ expression: diff.instruction_rows
                 address: 48,
                 size: 4,
                 opcode: 20,
+                branch_dest: None,
             },
         ),
         kind: None,
@@ -178,6 +191,7 @@ expression: diff.instruction_rows
                 address: 52,
                 size: 4,
                 opcode: 26,
+                branch_dest: None,
             },
         ),
         kind: None,
@@ -191,6 +205,7 @@ expression: diff.instruction_rows
                 address: 56,
                 size: 4,
                 opcode: 2,
+                branch_dest: None,
             },
         ),
         kind: None,
@@ -204,6 +219,7 @@ expression: diff.instruction_rows
                 address: 60,
                 size: 4,
                 opcode: 12,
+                branch_dest: None,
             },
         ),
         kind: None,
@@ -217,6 +233,7 @@ expression: diff.instruction_rows
                 address: 64,
                 size: 4,
                 opcode: 26,
+                branch_dest: None,
             },
         ),
         kind: None,
@@ -230,6 +247,7 @@ expression: diff.instruction_rows
                 address: 68,
                 size: 4,
                 opcode: 97,
+                branch_dest: None,
             },
         ),
         kind: None,
@@ -243,6 +261,7 @@ expression: diff.instruction_rows
                 address: 72,
                 size: 4,
                 opcode: 2,
+                branch_dest: None,
             },
         ),
         kind: None,
@@ -256,6 +275,7 @@ expression: diff.instruction_rows
                 address: 76,
                 size: 4,
                 opcode: 97,
+                branch_dest: None,
             },
         ),
         kind: None,
@@ -269,6 +289,7 @@ expression: diff.instruction_rows
                 address: 80,
                 size: 4,
                 opcode: 2,
+                branch_dest: None,
             },
         ),
         kind: None,
@@ -289,6 +310,7 @@ expression: diff.instruction_rows
                 address: 84,
                 size: 4,
                 opcode: 97,
+                branch_dest: None,
             },
         ),
         kind: None,
@@ -302,6 +324,9 @@ expression: diff.instruction_rows
                 address: 88,
                 size: 4,
                 opcode: 56,
+                branch_dest: Some(
+                    80,
+                ),
             },
         ),
         kind: None,
@@ -320,6 +345,7 @@ expression: diff.instruction_rows
                 address: 92,
                 size: 4,
                 opcode: 113,
+                branch_dest: None,
             },
         ),
         kind: None,
@@ -333,6 +359,7 @@ expression: diff.instruction_rows
                 address: 96,
                 size: 4,
                 opcode: 2,
+                branch_dest: None,
             },
         ),
         kind: None,
@@ -346,6 +373,7 @@ expression: diff.instruction_rows
                 address: 100,
                 size: 4,
                 opcode: 20,
+                branch_dest: None,
             },
         ),
         kind: None,
@@ -359,6 +387,7 @@ expression: diff.instruction_rows
                 address: 104,
                 size: 4,
                 opcode: 2,
+                branch_dest: None,
             },
         ),
         kind: None,
@@ -372,6 +401,7 @@ expression: diff.instruction_rows
                 address: 108,
                 size: 4,
                 opcode: 12,
+                branch_dest: None,
             },
         ),
         kind: None,
@@ -385,6 +415,7 @@ expression: diff.instruction_rows
                 address: 112,
                 size: 4,
                 opcode: 2,
+                branch_dest: None,
             },
         ),
         kind: None,
@@ -398,6 +429,7 @@ expression: diff.instruction_rows
                 address: 116,
                 size: 4,
                 opcode: 16,
+                branch_dest: None,
             },
         ),
         kind: None,
@@ -411,6 +443,7 @@ expression: diff.instruction_rows
                 address: 120,
                 size: 4,
                 opcode: 20,
+                branch_dest: None,
             },
         ),
         kind: None,
@@ -424,6 +457,7 @@ expression: diff.instruction_rows
                 address: 124,
                 size: 4,
                 opcode: 12,
+                branch_dest: None,
             },
         ),
         kind: None,
@@ -437,6 +471,7 @@ expression: diff.instruction_rows
                 address: 128,
                 size: 4,
                 opcode: 2,
+                branch_dest: None,
             },
         ),
         kind: None,
@@ -459,6 +494,7 @@ expression: diff.instruction_rows
                 address: 132,
                 size: 4,
                 opcode: 12,
+                branch_dest: None,
             },
         ),
         kind: None,
@@ -472,6 +508,7 @@ expression: diff.instruction_rows
                 address: 136,
                 size: 4,
                 opcode: 2,
+                branch_dest: None,
             },
         ),
         kind: None,
@@ -485,6 +522,7 @@ expression: diff.instruction_rows
                 address: 140,
                 size: 4,
                 opcode: 113,
+                branch_dest: None,
             },
         ),
         kind: None,
@@ -498,6 +536,9 @@ expression: diff.instruction_rows
                 address: 144,
                 size: 4,
                 opcode: 55,
+                branch_dest: Some(
+                    128,
+                ),
             },
         ),
         kind: None,
@@ -516,6 +557,7 @@ expression: diff.instruction_rows
                 address: 148,
                 size: 4,
                 opcode: 90,
+                branch_dest: None,
             },
         ),
         kind: None,
@@ -529,6 +571,9 @@ expression: diff.instruction_rows
                 address: 152,
                 size: 4,
                 opcode: 3,
+                branch_dest: Some(
+                    128,
+                ),
             },
         ),
         kind: None,
@@ -547,6 +592,7 @@ expression: diff.instruction_rows
                 address: 156,
                 size: 4,
                 opcode: 113,
+                branch_dest: None,
             },
         ),
         kind: None,
@@ -560,6 +606,7 @@ expression: diff.instruction_rows
                 address: 160,
                 size: 4,
                 opcode: 2,
+                branch_dest: None,
             },
         ),
         kind: None,
@@ -573,6 +620,7 @@ expression: diff.instruction_rows
                 address: 164,
                 size: 4,
                 opcode: 60,
+                branch_dest: None,
             },
         ),
         kind: None,
@@ -586,6 +634,7 @@ expression: diff.instruction_rows
                 address: 168,
                 size: 4,
                 opcode: 77,
+                branch_dest: None,
             },
         ),
         kind: None,
@@ -599,6 +648,7 @@ expression: diff.instruction_rows
                 address: 172,
                 size: 4,
                 opcode: 113,
+                branch_dest: None,
             },
         ),
         kind: None,
@@ -612,6 +662,9 @@ expression: diff.instruction_rows
                 address: 176,
                 size: 4,
                 opcode: 54,
+                branch_dest: Some(
+                    128,
+                ),
             },
         ),
         kind: None,
@@ -630,6 +683,7 @@ expression: diff.instruction_rows
                 address: 180,
                 size: 4,
                 opcode: 113,
+                branch_dest: None,
             },
         ),
         kind: None,

objdiff-core/tests/snapshots/arch_mips__read_mips.snap

@@ -683,6 +683,9 @@ Object {
                 632,
             ),
             flags: FlagSet(),
+            align: Some(
+                8,
+            ),
             relocations: [
                 Relocation {
                     flags: Elf(
@@ -1306,6 +1309,9 @@ Object {
                 0,
             ),
             flags: FlagSet(),
+            align: Some(
+                4,
+            ),
             relocations: [],
             line_info: {},
             virtual_address: None,
@@ -1320,6 +1326,9 @@ Object {
                 0,
             ),
             flags: FlagSet(),
+            align: Some(
+                1,
+            ),
             relocations: [],
             line_info: {},
             virtual_address: None,
@@ -1334,6 +1343,9 @@ Object {
                 0,
             ),
             flags: FlagSet(),
+            align: Some(
+                1,
+            ),
             relocations: [],
             line_info: {},
             virtual_address: None,
@@ -1348,6 +1360,9 @@ Object {
                 0,
             ),
             flags: FlagSet(),
+            align: Some(
+                4,
+            ),
             relocations: [],
             line_info: {},
             virtual_address: None,
@@ -1362,6 +1377,9 @@ Object {
                 0,
             ),
             flags: FlagSet(),
+            align: Some(
+                4,
+            ),
             relocations: [],
             line_info: {},
             virtual_address: None,
@@ -1376,6 +1394,9 @@ Object {
                 0,
             ),
             flags: FlagSet(),
+            align: Some(
+                1,
+            ),
             relocations: [],
             line_info: {},
             virtual_address: None,
@@ -1390,6 +1411,9 @@ Object {
                 43,
             ),
             flags: FlagSet(),
+            align: Some(
+                8,
+            ),
             relocations: [],
             line_info: {},
             virtual_address: None,
@@ -1404,6 +1428,9 @@ Object {
                 76,
             ),
             flags: FlagSet(),
+            align: Some(
+                8,
+            ),
             relocations: [],
             line_info: {},
             virtual_address: None,
@@ -1418,6 +1445,9 @@ Object {
                 0,
             ),
             flags: FlagSet(),
+            align: Some(
+                4,
+            ),
             relocations: [],
             line_info: {},
             virtual_address: None,
@@ -1432,6 +1462,9 @@ Object {
                 0,
             ),
             flags: FlagSet(),
+            align: Some(
+                1,
+            ),
             relocations: [],
             line_info: {},
             virtual_address: None,
@@ -1446,6 +1479,9 @@ Object {
                 0,
             ),
             flags: FlagSet(),
+            align: Some(
+                1,
+            ),
             relocations: [],
             line_info: {},
             virtual_address: None,

objdiff-core/tests/snapshots/arch_ppc__read_extab.snap

@@ -317,6 +317,9 @@ Object {
                 552,
             ),
             flags: FlagSet(),
+            align: Some(
+                4,
+            ),
             relocations: [
                 Relocation {
                     flags: Elf(
@@ -340,6 +343,9 @@ Object {
                 40,
             ),
             flags: FlagSet(),
+            align: Some(
+                4,
+            ),
             relocations: [
                 Relocation {
                     flags: Elf(
@@ -363,6 +369,9 @@ Object {
                 36,
             ),
             flags: FlagSet(),
+            align: Some(
+                4,
+            ),
             relocations: [
                 Relocation {
                     flags: Elf(
@@ -426,6 +435,9 @@ Object {
                 0,
             ),
             flags: FlagSet(),
+            align: Some(
+                4,
+            ),
             relocations: [],
             line_info: {},
             virtual_address: None,
@@ -440,6 +452,9 @@ Object {
                 0,
             ),
             flags: FlagSet(),
+            align: Some(
+                4,
+            ),
             relocations: [],
             line_info: {},
             virtual_address: None,
@@ -454,6 +469,9 @@ Object {
                 0,
             ),
             flags: FlagSet(),
+            align: Some(
+                4,
+            ),
             relocations: [],
             line_info: {},
             virtual_address: None,
@@ -468,6 +486,9 @@ Object {
                 0,
             ),
             flags: FlagSet(),
+            align: Some(
+                4,
+            ),
             relocations: [],
             line_info: {},
             virtual_address: None,
@@ -482,6 +503,9 @@ Object {
                 0,
             ),
             flags: FlagSet(),
+            align: Some(
+                1,
+            ),
             relocations: [],
             line_info: {},
             virtual_address: None,
@@ -496,6 +520,9 @@ Object {
                 0,
             ),
             flags: FlagSet(),
+            align: Some(
+                1,
+            ),
             relocations: [],
             line_info: {},
             virtual_address: None,
@@ -510,6 +537,9 @@ Object {
                 0,
             ),
             flags: FlagSet(),
+            align: Some(
+                1,
+            ),
             relocations: [],
             line_info: {},
             virtual_address: None,

objdiff-core/tests/snapshots/arch_ppc__read_ppc-2.snap

@@ -9,6 +9,7 @@ expression: diff.instruction_rows
                 address: 0,
                 size: 4,
                 opcode: 60,
+                branch_dest: None,
             },
         ),
         kind: None,
@@ -22,6 +23,7 @@ expression: diff.instruction_rows
                 address: 4,
                 size: 4,
                 opcode: 38,
+                branch_dest: None,
             },
         ),
         kind: None,
@@ -35,6 +37,9 @@ expression: diff.instruction_rows
                 address: 8,
                 size: 4,
                 opcode: 43,
+                branch_dest: Some(
+                    20,
+                ),
             },
         ),
         kind: None,
@@ -53,6 +58,7 @@ expression: diff.instruction_rows
                 address: 12,
                 size: 4,
                 opcode: 41,
+                branch_dest: None,
             },
         ),
         kind: None,
@@ -66,6 +72,9 @@ expression: diff.instruction_rows
                 address: 16,
                 size: 4,
                 opcode: 45,
+                branch_dest: Some(
+                    32,
+                ),
             },
         ),
         kind: None,
@@ -84,6 +93,7 @@ expression: diff.instruction_rows
                 address: 20,
                 size: 4,
                 opcode: 42,
+                branch_dest: None,
             },
         ),
         kind: None,
@@ -104,6 +114,7 @@ expression: diff.instruction_rows
                 address: 24,
                 size: 4,
                 opcode: 41,
+                branch_dest: None,
             },
         ),
         kind: None,
@@ -117,6 +128,7 @@ expression: diff.instruction_rows
                 address: 28,
                 size: 4,
                 opcode: 94,
+                branch_dest: None,
             },
         ),
         kind: None,
@@ -130,6 +142,7 @@ expression: diff.instruction_rows
                 address: 32,
                 size: 4,
                 opcode: 60,
+                branch_dest: None,
             },
         ),
         kind: None,
@@ -150,6 +163,7 @@ expression: diff.instruction_rows
                 address: 36,
                 size: 4,
                 opcode: 166,
+                branch_dest: None,
             },
         ),
         kind: None,
@@ -163,6 +177,7 @@ expression: diff.instruction_rows
                 address: 40,
                 size: 4,
                 opcode: 38,
+                branch_dest: None,
             },
         ),
         kind: None,
@@ -176,6 +191,9 @@ expression: diff.instruction_rows
                 address: 44,
                 size: 4,
                 opcode: 43,
+                branch_dest: Some(
+                    56,
+                ),
             },
         ),
         kind: None,
@@ -194,6 +212,7 @@ expression: diff.instruction_rows
                 address: 48,
                 size: 4,
                 opcode: 41,
+                branch_dest: None,
             },
         ),
         kind: None,
@@ -207,6 +226,9 @@ expression: diff.instruction_rows
                 address: 52,
                 size: 4,
                 opcode: 45,
+                branch_dest: Some(
+                    68,
+                ),
             },
         ),
         kind: None,
@@ -225,6 +247,7 @@ expression: diff.instruction_rows
                 address: 56,
                 size: 4,
                 opcode: 42,
+                branch_dest: None,
             },
         ),
         kind: None,
@@ -245,6 +268,7 @@ expression: diff.instruction_rows
                 address: 60,
                 size: 4,
                 opcode: 41,
+                branch_dest: None,
             },
         ),
         kind: None,
@@ -258,6 +282,7 @@ expression: diff.instruction_rows
                 address: 64,
                 size: 4,
                 opcode: 94,
+                branch_dest: None,
             },
         ),
         kind: None,
@@ -271,6 +296,7 @@ expression: diff.instruction_rows
                 address: 68,
                 size: 4,
                 opcode: 60,
+                branch_dest: None,
             },
         ),
         kind: None,
@@ -291,6 +317,7 @@ expression: diff.instruction_rows
                 address: 72,
                 size: 4,
                 opcode: 41,
+                branch_dest: None,
             },
         ),
         kind: None,
@@ -304,6 +331,7 @@ expression: diff.instruction_rows
                 address: 76,
                 size: 4,
                 opcode: 38,
+                branch_dest: None,
             },
         ),
         kind: None,
@@ -317,6 +345,7 @@ expression: diff.instruction_rows
                 address: 80,
                 size: 4,
                 opcode: 166,
+                branch_dest: None,
             },
         ),
         kind: None,
@@ -330,6 +359,9 @@ expression: diff.instruction_rows
                 address: 84,
                 size: 4,
                 opcode: 43,
+                branch_dest: Some(
+                    96,
+                ),
             },
         ),
         kind: None,
@@ -348,6 +380,7 @@ expression: diff.instruction_rows
                 address: 88,
                 size: 4,
                 opcode: 41,
+                branch_dest: None,
             },
         ),
         kind: None,
@@ -361,6 +394,9 @@ expression: diff.instruction_rows
                 address: 92,
                 size: 4,
                 opcode: 45,
+                branch_dest: Some(
+                    108,
+                ),
             },
         ),
         kind: None,
@@ -379,6 +415,7 @@ expression: diff.instruction_rows
                 address: 96,
                 size: 4,
                 opcode: 42,
+                branch_dest: None,
             },
         ),
         kind: None,
@@ -399,6 +436,7 @@ expression: diff.instruction_rows
                 address: 100,
                 size: 4,
                 opcode: 41,
+                branch_dest: None,
             },
         ),
         kind: None,
@@ -412,6 +450,7 @@ expression: diff.instruction_rows
                 address: 104,
                 size: 4,
                 opcode: 94,
+                branch_dest: None,
             },
         ),
         kind: None,
@@ -425,6 +464,7 @@ expression: diff.instruction_rows
                 address: 108,
                 size: 4,
                 opcode: 60,
+                branch_dest: None,
             },
         ),
         kind: None,
@@ -445,6 +485,7 @@ expression: diff.instruction_rows
                 address: 112,
                 size: 4,
                 opcode: 41,
+                branch_dest: None,
             },
         ),
         kind: None,
@@ -458,6 +499,7 @@ expression: diff.instruction_rows
                 address: 116,
                 size: 4,
                 opcode: 38,
+                branch_dest: None,
             },
         ),
         kind: None,
@@ -471,6 +513,7 @@ expression: diff.instruction_rows
                 address: 120,
                 size: 4,
                 opcode: 166,
+                branch_dest: None,
             },
         ),
         kind: None,
@@ -484,6 +527,9 @@ expression: diff.instruction_rows
                 address: 124,
                 size: 4,
                 opcode: 43,
+                branch_dest: Some(
+                    136,
+                ),
             },
         ),
         kind: None,
@@ -502,6 +548,7 @@ expression: diff.instruction_rows
                 address: 128,
                 size: 4,
                 opcode: 41,
+                branch_dest: None,
             },
         ),
         kind: None,
@@ -515,6 +562,9 @@ expression: diff.instruction_rows
                 address: 132,
                 size: 4,
                 opcode: 45,
+                branch_dest: Some(
+                    148,
+                ),
             },
         ),
         kind: None,
@@ -533,6 +583,7 @@ expression: diff.instruction_rows
                 address: 136,
                 size: 4,
                 opcode: 42,
+                branch_dest: None,
             },
         ),
         kind: None,
@@ -553,6 +604,7 @@ expression: diff.instruction_rows
                 address: 140,
                 size: 4,
                 opcode: 41,
+                branch_dest: None,
             },
         ),
         kind: None,
@@ -566,6 +618,7 @@ expression: diff.instruction_rows
                 address: 144,
                 size: 4,
                 opcode: 94,
+                branch_dest: None,
             },
         ),
         kind: None,
@@ -579,6 +632,7 @@ expression: diff.instruction_rows
                 address: 148,
                 size: 4,
                 opcode: 41,
+                branch_dest: None,
             },
         ),
         kind: None,
@@ -599,6 +653,7 @@ expression: diff.instruction_rows
                 address: 152,
                 size: 4,
                 opcode: 41,
+                branch_dest: None,
             },
         ),
         kind: None,
@@ -612,6 +667,7 @@ expression: diff.instruction_rows
                 address: 156,
                 size: 4,
                 opcode: 166,
+                branch_dest: None,
             },
         ),
         kind: None,
@@ -625,6 +681,7 @@ expression: diff.instruction_rows
                 address: 160,
                 size: 4,
                 opcode: 42,
+                branch_dest: None,
             },
         ),
         kind: None,
@@ -638,6 +695,7 @@ expression: diff.instruction_rows
                 address: 164,
                 size: 4,
                 opcode: 41,
+                branch_dest: None,
             },
         ),
         kind: None,
@@ -651,6 +709,7 @@ expression: diff.instruction_rows
                 address: 168,
                 size: 4,
                 opcode: 166,
+                branch_dest: None,
             },
         ),
         kind: None,
@@ -664,6 +723,7 @@ expression: diff.instruction_rows
                 address: 172,
                 size: 4,
                 opcode: 41,
+                branch_dest: None,
             },
         ),
         kind: None,
@@ -677,6 +737,7 @@ expression: diff.instruction_rows
                 address: 176,
                 size: 4,
                 opcode: 162,
+                branch_dest: None,
             },
         ),
         kind: None,
@@ -690,6 +751,7 @@ expression: diff.instruction_rows
                 address: 180,
                 size: 4,
                 opcode: 94,
+                branch_dest: None,
             },
         ),
         kind: None,
@@ -703,6 +765,7 @@ expression: diff.instruction_rows
                 address: 184,
                 size: 4,
                 opcode: 66,
+                branch_dest: None,
             },
         ),
         kind: None,
@@ -716,6 +779,9 @@ expression: diff.instruction_rows
                 address: 188,
                 size: 4,
                 opcode: 43,
+                branch_dest: Some(
+                    196,
+                ),
             },
         ),
         kind: None,
@@ -734,6 +800,7 @@ expression: diff.instruction_rows
                 address: 192,
                 size: 4,
                 opcode: 166,
+                branch_dest: None,
             },
         ),
         kind: None,
@@ -747,6 +814,7 @@ expression: diff.instruction_rows
                 address: 196,
                 size: 4,
                 opcode: 163,
+                branch_dest: None,
             },
         ),
         kind: None,
@@ -767,6 +835,7 @@ expression: diff.instruction_rows
                 address: 200,
                 size: 4,
                 opcode: 94,
+                branch_dest: None,
             },
         ),
         kind: None,
@@ -780,6 +849,7 @@ expression: diff.instruction_rows
                 address: 204,
                 size: 4,
                 opcode: 66,
+                branch_dest: None,
             },
         ),
         kind: None,
@@ -793,6 +863,9 @@ expression: diff.instruction_rows
                 address: 208,
                 size: 4,
                 opcode: 43,
+                branch_dest: Some(
+                    216,
+                ),
             },
         ),
         kind: None,
@@ -811,6 +884,7 @@ expression: diff.instruction_rows
                 address: 212,
                 size: 4,
                 opcode: 166,
+                branch_dest: None,
             },
         ),
         kind: None,
@@ -824,6 +898,7 @@ expression: diff.instruction_rows
                 address: 216,
                 size: 4,
                 opcode: 163,
+                branch_dest: None,
             },
         ),
         kind: None,
@@ -844,6 +919,7 @@ expression: diff.instruction_rows
                 address: 220,
                 size: 4,
                 opcode: 94,
+                branch_dest: None,
             },
         ),
         kind: None,
@@ -857,6 +933,7 @@ expression: diff.instruction_rows
                 address: 224,
                 size: 4,
                 opcode: 66,
+                branch_dest: None,
             },
         ),
         kind: None,
@@ -870,6 +947,9 @@ expression: diff.instruction_rows
                 address: 228,
                 size: 4,
                 opcode: 43,
+                branch_dest: Some(
+                    236,
+                ),
             },
         ),
         kind: None,
@@ -888,6 +968,7 @@ expression: diff.instruction_rows
                 address: 232,
                 size: 4,
                 opcode: 166,
+                branch_dest: None,
             },
         ),
         kind: None,
@@ -901,6 +982,7 @@ expression: diff.instruction_rows
                 address: 236,
                 size: 4,
                 opcode: 163,
+                branch_dest: None,
             },
         ),
         kind: None,
@@ -921,6 +1003,7 @@ expression: diff.instruction_rows
                 address: 240,
                 size: 4,
                 opcode: 94,
+                branch_dest: None,
             },
         ),
         kind: None,
@@ -934,6 +1017,7 @@ expression: diff.instruction_rows
                 address: 244,
                 size: 4,
                 opcode: 66,
+                branch_dest: None,
             },
         ),
         kind: None,
@@ -947,6 +1031,9 @@ expression: diff.instruction_rows
                 address: 248,
                 size: 4,
                 opcode: 43,
+                branch_dest: Some(
+                    256,
+                ),
             },
         ),
         kind: None,
@@ -965,6 +1052,7 @@ expression: diff.instruction_rows
                 address: 252,
                 size: 4,
                 opcode: 166,
+                branch_dest: None,
             },
         ),
         kind: None,
@@ -978,6 +1066,7 @@ expression: diff.instruction_rows
                 address: 256,
                 size: 4,
                 opcode: 41,
+                branch_dest: None,
             },
         ),
         kind: None,
@@ -998,6 +1087,7 @@ expression: diff.instruction_rows
                 address: 260,
                 size: 4,
                 opcode: 47,
+                branch_dest: None,
             },
         ),
         kind: None,

objdiff-core/tests/snapshots/arch_ppc__read_ppc.snap

@@ -1,6 +1,5 @@
 ---
 source: objdiff-core/tests/arch_ppc.rs
-assertion_line: 14
 expression: obj
 ---
 Object {
@@ -167,6 +166,9 @@ Object {
                 284,
             ),
             flags: FlagSet(),
+            align: Some(
+                4,
+            ),
             relocations: [
                 Relocation {
                     flags: Elf(
@@ -392,6 +394,9 @@ Object {
                 4,
             ),
             flags: FlagSet(),
+            align: Some(
+                4,
+            ),
             relocations: [
                 Relocation {
                     flags: Elf(
@@ -417,6 +422,9 @@ Object {
                 0,
             ),
             flags: FlagSet(),
+            align: Some(
+                8,
+            ),
             relocations: [],
             line_info: {},
             virtual_address: Some(
@@ -433,6 +441,9 @@ Object {
                 0,
             ),
             flags: FlagSet(),
+            align: Some(
+                4,
+            ),
             relocations: [],
             line_info: {},
             virtual_address: None,
@@ -447,6 +458,9 @@ Object {
                 0,
             ),
             flags: FlagSet(),
+            align: Some(
+                4,
+            ),
             relocations: [],
             line_info: {},
             virtual_address: None,
@@ -461,6 +475,9 @@ Object {
                 0,
             ),
             flags: FlagSet(),
+            align: Some(
+                4,
+            ),
             relocations: [],
             line_info: {},
             virtual_address: None,
@@ -475,6 +492,9 @@ Object {
                 0,
             ),
             flags: FlagSet(),
+            align: Some(
+                1,
+            ),
             relocations: [],
             line_info: {},
             virtual_address: None,
@@ -489,6 +509,9 @@ Object {
                 0,
             ),
             flags: FlagSet(),
+            align: Some(
+                1,
+            ),
             relocations: [],
             line_info: {},
             virtual_address: None,
@@ -503,6 +526,9 @@ Object {
                 0,
             ),
             flags: FlagSet(),
+            align: Some(
+                1,
+            ),
             relocations: [],
             line_info: {},
             virtual_address: None,
@@ -517,6 +543,9 @@ Object {
                 0,
             ),
             flags: FlagSet(),
+            align: Some(
+                4,
+            ),
             relocations: [],
             line_info: {},
             virtual_address: None,

objdiff-core/tests/snapshots/arch_x86__read_x86-2.snap

@@ -9,6 +9,7 @@ expression: diff.instruction_rows
                 address: 0,
                 size: 1,
                 opcode: 640,
+                branch_dest: None,
             },
         ),
         kind: None,
@@ -22,6 +23,7 @@ expression: diff.instruction_rows
                 address: 1,
                 size: 2,
                 opcode: 414,
+                branch_dest: None,
             },
         ),
         kind: None,
@@ -35,6 +37,7 @@ expression: diff.instruction_rows
                 address: 3,
                 size: 5,
                 opcode: 640,
+                branch_dest: None,
             },
         ),
         kind: None,
@@ -48,6 +51,7 @@ expression: diff.instruction_rows
                 address: 8,
                 size: 5,
                 opcode: 59,
+                branch_dest: None,
             },
         ),
         kind: None,
@@ -61,6 +65,7 @@ expression: diff.instruction_rows
                 address: 13,
                 size: 3,
                 opcode: 7,
+                branch_dest: None,
             },
         ),
         kind: None,
@@ -74,6 +79,7 @@ expression: diff.instruction_rows
                 address: 16,
                 size: 1,
                 opcode: 590,
+                branch_dest: None,
             },
         ),
         kind: None,
@@ -87,6 +93,7 @@ expression: diff.instruction_rows
                 address: 17,
                 size: 1,
                 opcode: 662,
+                branch_dest: None,
             },
         ),
         kind: None,

objdiff-core/tests/snapshots/arch_x86__read_x86.snap

@@ -136,6 +136,9 @@ Object {
                 0,
             ),
             flags: FlagSet(),
+            align: Some(
+                1,
+            ),
             relocations: [],
             line_info: {},
             virtual_address: None,
@@ -150,6 +153,9 @@ Object {
                 10,
             ),
             flags: FlagSet(),
+            align: Some(
+                4,
+            ),
             relocations: [
                 Relocation {
                     flags: Coff(
@@ -173,6 +179,9 @@ Object {
                 18,
             ),
             flags: FlagSet(),
+            align: Some(
+                16,
+            ),
             relocations: [
                 Relocation {
                     flags: Coff(

objdiff-core/tests/snapshots/arch_x86__read_x86_64-2.snap

@@ -9,6 +9,7 @@ expression: diff.instruction_rows
                 address: 0,
                 size: 5,
                 opcode: 414,
+                branch_dest: None,
             },
         ),
         kind: None,
@@ -22,6 +23,7 @@ expression: diff.instruction_rows
                 address: 5,
                 size: 5,
                 opcode: 414,
+                branch_dest: None,
             },
         ),
         kind: None,
@@ -35,6 +37,7 @@ expression: diff.instruction_rows
                 address: 10,
                 size: 1,
                 opcode: 640,
+                branch_dest: None,
             },
         ),
         kind: None,
@@ -48,6 +51,7 @@ expression: diff.instruction_rows
                 address: 11,
                 size: 4,
                 opcode: 740,
+                branch_dest: None,
             },
         ),
         kind: None,
@@ -61,6 +65,7 @@ expression: diff.instruction_rows
                 address: 15,
                 size: 5,
                 opcode: 414,
+                branch_dest: None,
             },
         ),
         kind: None,
@@ -74,6 +79,7 @@ expression: diff.instruction_rows
                 address: 20,
                 size: 5,
                 opcode: 414,
+                branch_dest: None,
             },
         ),
         kind: None,
@@ -87,6 +93,7 @@ expression: diff.instruction_rows
                 address: 25,
                 size: 4,
                 opcode: 448,
+                branch_dest: None,
             },
         ),
         kind: None,
@@ -100,6 +107,7 @@ expression: diff.instruction_rows
                 address: 29,
                 size: 4,
                 opcode: 460,
+                branch_dest: None,
             },
         ),
         kind: None,
@@ -113,6 +121,7 @@ expression: diff.instruction_rows
                 address: 33,
                 size: 5,
                 opcode: 414,
+                branch_dest: None,
             },
         ),
         kind: None,
@@ -126,6 +135,7 @@ expression: diff.instruction_rows
                 address: 38,
                 size: 5,
                 opcode: 414,
+                branch_dest: None,
             },
         ),
         kind: None,
@@ -139,6 +149,7 @@ expression: diff.instruction_rows
                 address: 43,
                 size: 5,
                 opcode: 448,
+                branch_dest: None,
             },
         ),
         kind: None,
@@ -152,6 +163,7 @@ expression: diff.instruction_rows
                 address: 48,
                 size: 5,
                 opcode: 460,
+                branch_dest: None,
             },
         ),
         kind: None,
@@ -165,6 +177,7 @@ expression: diff.instruction_rows
                 address: 53,
                 size: 4,
                 opcode: 11,
+                branch_dest: None,
             },
         ),
         kind: None,
@@ -178,6 +191,7 @@ expression: diff.instruction_rows
                 address: 57,
                 size: 5,
                 opcode: 414,
+                branch_dest: None,
             },
         ),
         kind: None,
@@ -191,6 +205,7 @@ expression: diff.instruction_rows
                 address: 62,
                 size: 5,
                 opcode: 414,
+                branch_dest: None,
             },
         ),
         kind: None,
@@ -204,6 +219,7 @@ expression: diff.instruction_rows
                 address: 67,
                 size: 5,
                 opcode: 448,
+                branch_dest: None,
             },
         ),
         kind: None,
@@ -217,6 +233,7 @@ expression: diff.instruction_rows
                 address: 72,
                 size: 5,
                 opcode: 460,
+                branch_dest: None,
             },
         ),
         kind: None,
@@ -230,6 +247,7 @@ expression: diff.instruction_rows
                 address: 77,
                 size: 4,
                 opcode: 11,
+                branch_dest: None,
             },
         ),
         kind: None,
@@ -243,6 +261,7 @@ expression: diff.instruction_rows
                 address: 81,
                 size: 4,
                 opcode: 7,
+                branch_dest: None,
             },
         ),
         kind: None,
@@ -256,6 +275,7 @@ expression: diff.instruction_rows
                 address: 85,
                 size: 1,
                 opcode: 590,
+                branch_dest: None,
             },
         ),
         kind: None,
@@ -269,6 +289,7 @@ expression: diff.instruction_rows
                 address: 86,
                 size: 1,
                 opcode: 662,
+                branch_dest: None,
             },
         ),
         kind: None,

objdiff-core/tests/snapshots/arch_x86__read_x86_64.snap

@@ -866,6 +866,9 @@ Object {
                 0,
             ),
             flags: FlagSet(),
+            align: Some(
+                1,
+            ),
             relocations: [],
             line_info: {},
             virtual_address: None,
@@ -880,6 +883,9 @@ Object {
                 0,
             ),
             flags: FlagSet(),
+            align: Some(
+                1,
+            ),
             relocations: [],
             line_info: {},
             virtual_address: None,
@@ -894,6 +900,9 @@ Object {
                 429,
             ),
             flags: FlagSet(),
+            align: Some(
+                16,
+            ),
             relocations: [
                 Relocation {
                     flags: Coff(
@@ -1029,6 +1038,9 @@ Object {
                 141,
             ),
             flags: FlagSet(),
+            align: Some(
+                16,
+            ),
             relocations: [],
             line_info: {},
             virtual_address: None,
@@ -1043,6 +1055,9 @@ Object {
                 87,
             ),
             flags: FlagSet(),
+            align: Some(
+                16,
+            ),
             relocations: [],
             line_info: {},
             virtual_address: None,
@@ -1057,6 +1072,9 @@ Object {
                 105,
             ),
             flags: FlagSet(),
+            align: Some(
+                16,
+            ),
             relocations: [],
             line_info: {},
             virtual_address: None,
@@ -1071,6 +1089,9 @@ Object {
                 82,
             ),
             flags: FlagSet(),
+            align: Some(
+                16,
+            ),
             relocations: [],
             line_info: {},
             virtual_address: None,
@@ -1085,6 +1106,9 @@ Object {
                 8,
             ),
             flags: FlagSet(),
+            align: Some(
+                4,
+            ),
             relocations: [],
             line_info: {},
             virtual_address: None,
@@ -1099,6 +1123,9 @@ Object {
                 12,
             ),
             flags: FlagSet(),
+            align: Some(
+                4,
+            ),
             relocations: [
                 Relocation {
                     flags: Coff(
@@ -1138,6 +1165,9 @@ Object {
                 8,
             ),
             flags: FlagSet(),
+            align: Some(
+                4,
+            ),
             relocations: [],
             line_info: {},
             virtual_address: None,
@@ -1152,6 +1182,9 @@ Object {
                 12,
             ),
             flags: FlagSet(),
+            align: Some(
+                4,
+            ),
             relocations: [
                 Relocation {
                     flags: Coff(
@@ -1191,6 +1224,9 @@ Object {
                 8,
             ),
             flags: FlagSet(),
+            align: Some(
+                4,
+            ),
             relocations: [],
             line_info: {},
             virtual_address: None,
@@ -1205,6 +1241,9 @@ Object {
                 12,
             ),
             flags: FlagSet(),
+            align: Some(
+                4,
+            ),
             relocations: [
                 Relocation {
                     flags: Coff(
@@ -1244,6 +1283,9 @@ Object {
                 8,
             ),
             flags: FlagSet(),
+            align: Some(
+                4,
+            ),
             relocations: [],
             line_info: {},
             virtual_address: None,
@@ -1258,6 +1300,9 @@ Object {
                 12,
             ),
             flags: FlagSet(),
+            align: Some(
+                4,
+            ),
             relocations: [
                 Relocation {
                     flags: Coff(
@@ -1297,6 +1342,9 @@ Object {
                 256,
             ),
             flags: FlagSet(),
+            align: Some(
+                16,
+            ),
             relocations: [
                 Relocation {
                     flags: Coff(
@@ -1344,6 +1392,9 @@ Object {
                 20,
             ),
             flags: FlagSet(),
+            align: Some(
+                4,
+            ),
             relocations: [
                 Relocation {
                     flags: Coff(
@@ -1367,6 +1418,9 @@ Object {
                 12,
             ),
             flags: FlagSet(),
+            align: Some(
+                4,
+            ),
             relocations: [
                 Relocation {
                     flags: Coff(
@@ -1406,6 +1460,9 @@ Object {
                 0,
             ),
             flags: FlagSet(),
+            align: Some(
+                4,
+            ),
             relocations: [],
             line_info: {},
             virtual_address: None,
@@ -1420,6 +1477,9 @@ Object {
                 8,
             ),
             flags: FlagSet(),
+            align: Some(
+                8,
+            ),
             relocations: [
                 Relocation {
                     flags: Coff(
@@ -1443,6 +1503,9 @@ Object {
                 8,
             ),
             flags: FlagSet(),
+            align: Some(
+                8,
+            ),
             relocations: [
                 Relocation {
                     flags: Coff(
@@ -1466,6 +1529,9 @@ Object {
                 4,
             ),
             flags: FlagSet(),
+            align: Some(
+                4,
+            ),
             relocations: [],
             line_info: {},
             virtual_address: None,
@@ -1480,6 +1546,9 @@ Object {
                 4,
             ),
             flags: FlagSet(),
+            align: Some(
+                4,
+            ),
             relocations: [],
             line_info: {},
             virtual_address: None,
@@ -1494,6 +1563,9 @@ Object {
                 0,
             ),
             flags: FlagSet(),
+            align: Some(
+                16,
+            ),
             relocations: [],
             line_info: {},
             virtual_address: None,

objdiff-core/tests/snapshots/arch_x86__read_x86_combine_sections.snap

@@ -13,6 +13,9 @@ expression: obj.sections
             0,
         ),
         flags: FlagSet(),
+        align: Some(
+            1,
+        ),
         relocations: [],
         line_info: {},
         virtual_address: None,
@@ -27,6 +30,9 @@ expression: obj.sections
             0,
         ),
         flags: FlagSet(),
+        align: Some(
+            1,
+        ),
         relocations: [],
         line_info: {},
         virtual_address: None,
@@ -36,11 +42,14 @@ expression: obj.sections
         name: ".rdata",
         address: 0,
         size: 0,
-        kind: Data,
+        kind: Unknown,
         data: SectionData(
             0,
         ),
-        flags: FlagSet(Hidden),
+        flags: FlagSet(),
+        align: Some(
+            4,
+        ),
         relocations: [],
         line_info: {},
         virtual_address: None,
@@ -50,11 +59,14 @@ expression: obj.sections
         name: ".rdata",
         address: 0,
         size: 0,
-        kind: Data,
+        kind: Unknown,
         data: SectionData(
             0,
         ),
-        flags: FlagSet(Hidden),
+        flags: FlagSet(),
+        align: Some(
+            4,
+        ),
         relocations: [],
         line_info: {},
         virtual_address: None,
@@ -64,11 +76,14 @@ expression: obj.sections
         name: ".text$mn",
         address: 0,
         size: 0,
-        kind: Code,
+        kind: Unknown,
         data: SectionData(
             0,
         ),
-        flags: FlagSet(Hidden),
+        flags: FlagSet(),
+        align: Some(
+            16,
+        ),
         relocations: [],
         line_info: {},
         virtual_address: None,
@@ -83,6 +98,9 @@ expression: obj.sections
             56,
         ),
         flags: FlagSet(Combined),
+        align: Some(
+            4,
+        ),
         relocations: [
             Relocation {
                 flags: Coff(
@@ -132,12 +150,15 @@ expression: obj.sections
         id: ".rdata-combined",
         name: ".rdata",
         address: 0,
-        size: 295,
+        size: 304,
         kind: Data,
         data: SectionData(
-            295,
+            304,
         ),
         flags: FlagSet(Combined),
+        align: Some(
+            4,
+        ),
         relocations: [
             Relocation {
                 flags: Coff(
@@ -159,7 +180,7 @@ expression: obj.sections
                 flags: Coff(
                     6,
                 ),
-                address: 21,
+                address: 24,
                 target_symbol: 13,
                 addend: 0,
             },
@@ -167,7 +188,7 @@ expression: obj.sections
                 flags: Coff(
                     6,
                 ),
-                address: 45,
+                address: 48,
                 target_symbol: 15,
                 addend: 0,
             },
@@ -175,7 +196,7 @@ expression: obj.sections
                 flags: Coff(
                     6,
                 ),
-                address: 61,
+                address: 64,
                 target_symbol: 25,
                 addend: 0,
             },
@@ -183,7 +204,7 @@ expression: obj.sections
                 flags: Coff(
                     6,
                 ),
-                address: 65,
+                address: 68,
                 target_symbol: 27,
                 addend: 0,
             },
@@ -191,7 +212,7 @@ expression: obj.sections
                 flags: Coff(
                     6,
                 ),
-                address: 70,
+                address: 76,
                 target_symbol: 21,
                 addend: 0,
             },
@@ -199,7 +220,7 @@ expression: obj.sections
                 flags: Coff(
                     6,
                 ),
-                address: 94,
+                address: 100,
                 target_symbol: 23,
                 addend: 0,
             },
@@ -207,7 +228,7 @@ expression: obj.sections
                 flags: Coff(
                     6,
                 ),
-                address: 110,
+                address: 116,
                 target_symbol: 31,
                 addend: 0,
             },
@@ -215,7 +236,7 @@ expression: obj.sections
                 flags: Coff(
                     6,
                 ),
-                address: 114,
+                address: 120,
                 target_symbol: 33,
                 addend: 0,
             },
@@ -223,7 +244,7 @@ expression: obj.sections
                 flags: Coff(
                     6,
                 ),
-                address: 130,
+                address: 136,
                 target_symbol: 35,
                 addend: 0,
             },
@@ -231,7 +252,7 @@ expression: obj.sections
                 flags: Coff(
                     6,
                 ),
-                address: 134,
+                address: 140,
                 target_symbol: 37,
                 addend: 0,
             },
@@ -239,7 +260,7 @@ expression: obj.sections
                 flags: Coff(
                     6,
                 ),
-                address: 138,
+                address: 144,
                 target_symbol: 19,
                 addend: 0,
             },
@@ -247,7 +268,7 @@ expression: obj.sections
                 flags: Coff(
                     6,
                 ),
-                address: 142,
+                address: 148,
                 target_symbol: 39,
                 addend: 0,
             },
@@ -255,7 +276,7 @@ expression: obj.sections
                 flags: Coff(
                     6,
                 ),
-                address: 147,
+                address: 156,
                 target_symbol: 31,
                 addend: 0,
             },
@@ -263,7 +284,7 @@ expression: obj.sections
                 flags: Coff(
                     6,
                 ),
-                address: 171,
+                address: 180,
                 target_symbol: 33,
                 addend: 0,
             },
@@ -271,7 +292,7 @@ expression: obj.sections
                 flags: Coff(
                     6,
                 ),
-                address: 175,
+                address: 184,
                 target_symbol: 21,
                 addend: 0,
             },
@@ -279,7 +300,7 @@ expression: obj.sections
                 flags: Coff(
                     6,
                 ),
-                address: 199,
+                address: 208,
                 target_symbol: 23,
                 addend: 0,
             },
@@ -287,7 +308,7 @@ expression: obj.sections
                 flags: Coff(
                     6,
                 ),
-                address: 215,
+                address: 224,
                 target_symbol: 31,
                 addend: 0,
             },
@@ -295,7 +316,7 @@ expression: obj.sections
                 flags: Coff(
                     6,
                 ),
-                address: 219,
+                address: 228,
                 target_symbol: 33,
                 addend: 0,
             },
@@ -303,7 +324,7 @@ expression: obj.sections
                 flags: Coff(
                     6,
                 ),
-                address: 235,
+                address: 244,
                 target_symbol: 13,
                 addend: 0,
             },
@@ -311,7 +332,7 @@ expression: obj.sections
                 flags: Coff(
                     6,
                 ),
-                address: 239,
+                address: 248,
                 target_symbol: 15,
                 addend: 0,
             },
@@ -319,7 +340,7 @@ expression: obj.sections
                 flags: Coff(
                     6,
                 ),
-                address: 255,
+                address: 264,
                 target_symbol: 21,
                 addend: 0,
             },
@@ -327,7 +348,7 @@ expression: obj.sections
                 flags: Coff(
                     6,
                 ),
-                address: 259,
+                address: 268,
                 target_symbol: 23,
                 addend: 0,
             },
@@ -335,7 +356,7 @@ expression: obj.sections
                 flags: Coff(
                     6,
                 ),
-                address: 263,
+                address: 272,
                 target_symbol: 29,
                 addend: 0,
             },
@@ -343,7 +364,7 @@ expression: obj.sections
                 flags: Coff(
                     6,
                 ),
-                address: 267,
+                address: 276,
                 target_symbol: 11,
                 addend: 0,
             },
@@ -351,7 +372,7 @@ expression: obj.sections
                 flags: Coff(
                     6,
                 ),
-                address: 271,
+                address: 280,
                 target_symbol: 43,
                 addend: 0,
             },
@@ -359,7 +380,7 @@ expression: obj.sections
                 flags: Coff(
                     6,
                 ),
-                address: 275,
+                address: 284,
                 target_symbol: 41,
                 addend: 0,
             },
@@ -367,7 +388,7 @@ expression: obj.sections
                 flags: Coff(
                     6,
                 ),
-                address: 279,
+                address: 288,
                 target_symbol: 70,
                 addend: 0,
             },
@@ -375,7 +396,7 @@ expression: obj.sections
                 flags: Coff(
                     6,
                 ),
-                address: 283,
+                address: 292,
                 target_symbol: 56,
                 addend: 0,
             },
@@ -383,7 +404,7 @@ expression: obj.sections
                 flags: Coff(
                     6,
                 ),
-                address: 287,
+                address: 296,
                 target_symbol: 72,
                 addend: 0,
             },
@@ -391,7 +412,7 @@ expression: obj.sections
                 flags: Coff(
                     6,
                 ),
-                address: 291,
+                address: 300,
                 target_symbol: 59,
                 addend: 0,
             },
@@ -404,11 +425,14 @@ expression: obj.sections
         name: ".rdata$r",
         address: 0,
         size: 0,
-        kind: Data,
+        kind: Unknown,
         data: SectionData(
             0,
         ),
-        flags: FlagSet(Hidden),
+        flags: FlagSet(),
+        align: Some(
+            4,
+        ),
         relocations: [],
         line_info: {},
         virtual_address: None,
@@ -418,11 +442,14 @@ expression: obj.sections
         name: ".rdata$r",
         address: 0,
         size: 0,
-        kind: Data,
+        kind: Unknown,
         data: SectionData(
             0,
         ),
-        flags: FlagSet(Hidden),
+        flags: FlagSet(),
+        align: Some(
+            4,
+        ),
         relocations: [],
         line_info: {},
         virtual_address: None,
@@ -432,11 +459,14 @@ expression: obj.sections
         name: ".data$rs",
         address: 0,
         size: 0,
-        kind: Data,
+        kind: Unknown,
         data: SectionData(
             0,
         ),
-        flags: FlagSet(Hidden),
+        flags: FlagSet(),
+        align: Some(
+            4,
+        ),
         relocations: [],
         line_info: {},
         virtual_address: None,
@@ -446,11 +476,14 @@ expression: obj.sections
         name: ".rdata$r",
         address: 0,
         size: 0,
-        kind: Data,
+        kind: Unknown,
         data: SectionData(
             0,
         ),
-        flags: FlagSet(Hidden),
+        flags: FlagSet(),
+        align: Some(
+            4,
+        ),
         relocations: [],
         line_info: {},
         virtual_address: None,
@@ -460,11 +493,14 @@ expression: obj.sections
         name: ".rdata$r",
         address: 0,
         size: 0,
-        kind: Data,
+        kind: Unknown,
         data: SectionData(
             0,
         ),
-        flags: FlagSet(Hidden),
+        flags: FlagSet(),
+        align: Some(
+            4,
+        ),
         relocations: [],
         line_info: {},
         virtual_address: None,
@@ -474,11 +510,14 @@ expression: obj.sections
         name: ".rdata$r",
         address: 0,
         size: 0,
-        kind: Data,
+        kind: Unknown,
         data: SectionData(
             0,
         ),
-        flags: FlagSet(Hidden),
+        flags: FlagSet(),
+        align: Some(
+            4,
+        ),
         relocations: [],
         line_info: {},
         virtual_address: None,
@@ -488,11 +527,14 @@ expression: obj.sections
         name: ".rdata$r",
         address: 0,
         size: 0,
-        kind: Data,
+        kind: Unknown,
         data: SectionData(
             0,
         ),
-        flags: FlagSet(Hidden),
+        flags: FlagSet(),
+        align: Some(
+            4,
+        ),
         relocations: [],
         line_info: {},
         virtual_address: None,
@@ -502,11 +544,14 @@ expression: obj.sections
         name: ".data$rs",
         address: 0,
         size: 0,
-        kind: Data,
+        kind: Unknown,
         data: SectionData(
             0,
         ),
-        flags: FlagSet(Hidden),
+        flags: FlagSet(),
+        align: Some(
+            4,
+        ),
         relocations: [],
         line_info: {},
         virtual_address: None,
@@ -516,11 +561,14 @@ expression: obj.sections
         name: ".rdata$r",
         address: 0,
         size: 0,
-        kind: Data,
+        kind: Unknown,
         data: SectionData(
             0,
         ),
-        flags: FlagSet(Hidden),
+        flags: FlagSet(),
+        align: Some(
+            4,
+        ),
         relocations: [],
         line_info: {},
         virtual_address: None,
@@ -530,11 +578,14 @@ expression: obj.sections
         name: ".rdata$r",
         address: 0,
         size: 0,
-        kind: Data,
+        kind: Unknown,
         data: SectionData(
             0,
         ),
-        flags: FlagSet(Hidden),
+        flags: FlagSet(),
+        align: Some(
+            4,
+        ),
         relocations: [],
         line_info: {},
         virtual_address: None,
@@ -544,11 +595,14 @@ expression: obj.sections
         name: ".rdata$r",
         address: 0,
         size: 0,
-        kind: Data,
+        kind: Unknown,
         data: SectionData(
             0,
         ),
-        flags: FlagSet(Hidden),
+        flags: FlagSet(),
+        align: Some(
+            4,
+        ),
         relocations: [],
         line_info: {},
         virtual_address: None,
@@ -558,11 +612,14 @@ expression: obj.sections
         name: ".rdata$r",
         address: 0,
         size: 0,
-        kind: Data,
+        kind: Unknown,
         data: SectionData(
             0,
         ),
-        flags: FlagSet(Hidden),
+        flags: FlagSet(),
+        align: Some(
+            4,
+        ),
         relocations: [],
         line_info: {},
         virtual_address: None,
@@ -572,11 +629,14 @@ expression: obj.sections
         name: ".text$mn",
         address: 0,
         size: 0,
-        kind: Code,
+        kind: Unknown,
         data: SectionData(
             0,
         ),
-        flags: FlagSet(Hidden),
+        flags: FlagSet(),
+        align: Some(
+            1,
+        ),
         relocations: [],
         line_info: {},
         virtual_address: None,
@@ -586,11 +646,14 @@ expression: obj.sections
         name: ".rdata$r",
         address: 0,
         size: 0,
-        kind: Data,
+        kind: Unknown,
         data: SectionData(
             0,
         ),
-        flags: FlagSet(Hidden),
+        flags: FlagSet(),
+        align: Some(
+            4,
+        ),
         relocations: [],
         line_info: {},
         virtual_address: None,
@@ -600,11 +663,14 @@ expression: obj.sections
         name: ".text$mn",
         address: 0,
         size: 0,
-        kind: Code,
+        kind: Unknown,
         data: SectionData(
             0,
         ),
-        flags: FlagSet(Hidden),
+        flags: FlagSet(),
+        align: Some(
+            16,
+        ),
         relocations: [],
         line_info: {},
         virtual_address: None,
@@ -614,11 +680,14 @@ expression: obj.sections
         name: ".text$mn",
         address: 0,
         size: 0,
-        kind: Code,
+        kind: Unknown,
         data: SectionData(
             0,
         ),
-        flags: FlagSet(Hidden),
+        flags: FlagSet(),
+        align: Some(
+            16,
+        ),
         relocations: [],
         line_info: {},
         virtual_address: None,
@@ -628,11 +697,14 @@ expression: obj.sections
         name: ".text$mn",
         address: 0,
         size: 0,
-        kind: Code,
+        kind: Unknown,
         data: SectionData(
             0,
         ),
-        flags: FlagSet(Hidden),
+        flags: FlagSet(),
+        align: Some(
+            16,
+        ),
         relocations: [],
         line_info: {},
         virtual_address: None,
@@ -642,11 +714,14 @@ expression: obj.sections
         name: ".text$mn",
         address: 0,
         size: 0,
-        kind: Code,
+        kind: Unknown,
         data: SectionData(
             0,
         ),
-        flags: FlagSet(Hidden),
+        flags: FlagSet(),
+        align: Some(
+            16,
+        ),
         relocations: [],
         line_info: {},
         virtual_address: None,
@@ -656,11 +731,14 @@ expression: obj.sections
         name: ".text$mn",
         address: 0,
         size: 0,
-        kind: Code,
+        kind: Unknown,
         data: SectionData(
             0,
         ),
-        flags: FlagSet(Hidden),
+        flags: FlagSet(),
+        align: Some(
+            16,
+        ),
         relocations: [],
         line_info: {},
         virtual_address: None,
@@ -669,12 +747,15 @@ expression: obj.sections
         id: ".text-combined",
         name: ".text",
         address: 0,
-        size: 268,
+        size: 320,
         kind: Code,
         data: SectionData(
-            268,
+            320,
         ),
         flags: FlagSet(Combined),
+        align: Some(
+            16,
+        ),
         relocations: [
             Relocation {
                 flags: Coff(
@@ -696,7 +777,7 @@ expression: obj.sections
                 flags: Coff(
                     20,
                 ),
-                address: 29,
+                address: 43,
                 target_symbol: 60,
                 addend: 0,
             },
@@ -704,7 +785,7 @@ expression: obj.sections
                 flags: Coff(
                     20,
                 ),
-                address: 48,
+                address: 62,
                 target_symbol: 52,
                 addend: 0,
             },
@@ -712,7 +793,7 @@ expression: obj.sections
                 flags: Coff(
                     20,
                 ),
-                address: 68,
+                address: 84,
                 target_symbol: 11,
                 addend: 0,
             },
@@ -720,7 +801,7 @@ expression: obj.sections
                 flags: Coff(
                     6,
                 ),
-                address: 84,
+                address: 100,
                 target_symbol: 64,
                 addend: 0,
             },
@@ -728,7 +809,7 @@ expression: obj.sections
                 flags: Coff(
                     6,
                 ),
-                address: 104,
+                address: 124,
                 target_symbol: 66,
                 addend: 0,
             },
@@ -736,7 +817,7 @@ expression: obj.sections
                 flags: Coff(
                     6,
                 ),
-                address: 124,
+                address: 156,
                 target_symbol: 6,
                 addend: 0,
             },
@@ -744,7 +825,7 @@ expression: obj.sections
                 flags: Coff(
                     6,
                 ),
-                address: 134,
+                address: 166,
                 target_symbol: 8,
                 addend: 0,
             },
@@ -752,7 +833,7 @@ expression: obj.sections
                 flags: Coff(
                     20,
                 ),
-                address: 145,
+                address: 177,
                 target_symbol: 57,
                 addend: 0,
             },
@@ -760,7 +841,7 @@ expression: obj.sections
                 flags: Coff(
                     20,
                 ),
-                address: 153,
+                address: 185,
                 target_symbol: 54,
                 addend: 0,
             },
@@ -768,7 +849,7 @@ expression: obj.sections
                 flags: Coff(
                     20,
                 ),
-                address: 172,
+                address: 219,
                 target_symbol: 54,
                 addend: 0,
             },
@@ -776,7 +857,7 @@ expression: obj.sections
                 flags: Coff(
                     20,
                 ),
-                address: 191,
+                address: 238,
                 target_symbol: 52,
                 addend: 0,
             },
@@ -784,7 +865,7 @@ expression: obj.sections
                 flags: Coff(
                     20,
                 ),
-                address: 218,
+                address: 267,
                 target_symbol: 57,
                 addend: 0,
             },
@@ -792,7 +873,7 @@ expression: obj.sections
                 flags: Coff(
                     20,
                 ),
-                address: 237,
+                address: 286,
                 target_symbol: 52,
                 addend: 0,
             },
@@ -800,7 +881,7 @@ expression: obj.sections
                 flags: Coff(
                     6,
                 ),
-                address: 257,
+                address: 308,
                 target_symbol: 68,
                 addend: 0,
             },
@@ -808,7 +889,7 @@ expression: obj.sections
                 flags: Coff(
                     20,
                 ),
-                address: 262,
+                address: 313,
                 target_symbol: 60,
                 addend: 0,
             },
@@ -821,11 +902,14 @@ expression: obj.sections
         name: ".text$yd",
         address: 0,
         size: 0,
-        kind: Code,
+        kind: Unknown,
         data: SectionData(
             0,
         ),
-        flags: FlagSet(Hidden),
+        flags: FlagSet(),
+        align: Some(
+            16,
+        ),
         relocations: [],
         line_info: {},
         virtual_address: None,
@@ -835,11 +919,14 @@ expression: obj.sections
         name: ".rdata",
         address: 0,
         size: 0,
-        kind: Data,
+        kind: Unknown,
         data: SectionData(
             0,
         ),
-        flags: FlagSet(Hidden),
+        flags: FlagSet(),
+        align: Some(
+            4,
+        ),
         relocations: [],
         line_info: {},
         virtual_address: None,
@@ -849,11 +936,14 @@ expression: obj.sections
         name: ".rdata",
         address: 0,
         size: 0,
-        kind: Data,
+        kind: Unknown,
         data: SectionData(
             0,
         ),
-        flags: FlagSet(Hidden),
+        flags: FlagSet(),
+        align: Some(
+            4,
+        ),
         relocations: [],
         line_info: {},
         virtual_address: None,
@@ -863,11 +953,14 @@ expression: obj.sections
         name: ".data",
         address: 0,
         size: 0,
-        kind: Data,
+        kind: Unknown,
         data: SectionData(
             0,
         ),
-        flags: FlagSet(Hidden),
+        flags: FlagSet(),
+        align: Some(
+            4,
+        ),
         relocations: [],
         line_info: {},
         virtual_address: None,
@@ -877,11 +970,14 @@ expression: obj.sections
         name: ".rdata$r",
         address: 0,
         size: 0,
-        kind: Data,
+        kind: Unknown,
         data: SectionData(
             0,
         ),
-        flags: FlagSet(Hidden),
+        flags: FlagSet(),
+        align: Some(
+            4,
+        ),
         relocations: [],
         line_info: {},
         virtual_address: None,
@@ -891,11 +987,14 @@ expression: obj.sections
         name: ".rdata$r",
         address: 0,
         size: 0,
-        kind: Data,
+        kind: Unknown,
         data: SectionData(
             0,
         ),
-        flags: FlagSet(Hidden),
+        flags: FlagSet(),
+        align: Some(
+            4,
+        ),
         relocations: [],
         line_info: {},
         virtual_address: None,
@@ -910,6 +1009,9 @@ expression: obj.sections
             4,
         ),
         flags: FlagSet(),
+        align: Some(
+            4,
+        ),
         relocations: [
             Relocation {
                 flags: Coff(
@@ -933,6 +1035,9 @@ expression: obj.sections
             0,
         ),
         flags: FlagSet(),
+        align: Some(
+            16,
+        ),
         relocations: [],
         line_info: {},
         virtual_address: None,

objdiff-core/tests/snapshots/arch_x86__read_x86_jumptable-2.snap

@@ -0,0 +1,622 @@
+---
+source: objdiff-core/tests/arch_x86.rs
+expression: diff.instruction_rows
+---
+[
+    InstructionDiffRow {
+        ins_ref: Some(
+            InstructionRef {
+                address: 0,
+                size: 4,
+                opcode: 414,
+                branch_dest: None,
+            },
+        ),
+        kind: None,
+        branch_from: None,
+        branch_to: None,
+        arg_diff: [],
+    },
+    InstructionDiffRow {
+        ins_ref: Some(
+            InstructionRef {
+                address: 4,
+                size: 1,
+                opcode: 137,
+                branch_dest: None,
+            },
+        ),
+        kind: None,
+        branch_from: None,
+        branch_to: None,
+        arg_diff: [],
+    },
+    InstructionDiffRow {
+        ins_ref: Some(
+            InstructionRef {
+                address: 5,
+                size: 3,
+                opcode: 93,
+                branch_dest: None,
+            },
+        ),
+        kind: None,
+        branch_from: None,
+        branch_to: None,
+        arg_diff: [],
+    },
+    InstructionDiffRow {
+        ins_ref: Some(
+            InstructionRef {
+                address: 8,
+                size: 2,
+                opcode: 297,
+                branch_dest: Some(
+                    58,
+                ),
+            },
+        ),
+        kind: None,
+        branch_from: None,
+        branch_to: Some(
+            InstructionBranchTo {
+                ins_idx: 18,
+                branch_idx: 0,
+            },
+        ),
+        arg_diff: [],
+    },
+    InstructionDiffRow {
+        ins_ref: Some(
+            InstructionRef {
+                address: 10,
+                size: 7,
+                opcode: 308,
+                branch_dest: Some(
+                    60,
+                ),
+            },
+        ),
+        kind: None,
+        branch_from: None,
+        branch_to: Some(
+            InstructionBranchTo {
+                ins_idx: 20,
+                branch_idx: 1,
+            },
+        ),
+        arg_diff: [],
+    },
+    InstructionDiffRow {
+        ins_ref: Some(
+            InstructionRef {
+                address: 17,
+                size: 5,
+                opcode: 414,
+                branch_dest: None,
+            },
+        ),
+        kind: None,
+        branch_from: Some(
+            InstructionBranchFrom {
+                ins_idx: [
+                    20,
+                ],
+                branch_idx: 2,
+            },
+        ),
+        branch_to: None,
+        arg_diff: [],
+    },
+    InstructionDiffRow {
+        ins_ref: Some(
+            InstructionRef {
+                address: 22,
+                size: 1,
+                opcode: 662,
+                branch_dest: None,
+            },
+        ),
+        kind: None,
+        branch_from: None,
+        branch_to: None,
+        arg_diff: [],
+    },
+    InstructionDiffRow {
+        ins_ref: Some(
+            InstructionRef {
+                address: 23,
+                size: 5,
+                opcode: 414,
+                branch_dest: None,
+            },
+        ),
+        kind: None,
+        branch_from: Some(
+            InstructionBranchFrom {
+                ins_idx: [
+                    21,
+                ],
+                branch_idx: 3,
+            },
+        ),
+        branch_to: None,
+        arg_diff: [],
+    },
+    InstructionDiffRow {
+        ins_ref: Some(
+            InstructionRef {
+                address: 28,
+                size: 1,
+                opcode: 662,
+                branch_dest: None,
+            },
+        ),
+        kind: None,
+        branch_from: None,
+        branch_to: None,
+        arg_diff: [],
+    },
+    InstructionDiffRow {
+        ins_ref: Some(
+            InstructionRef {
+                address: 29,
+                size: 5,
+                opcode: 414,
+                branch_dest: None,
+            },
+        ),
+        kind: None,
+        branch_from: Some(
+            InstructionBranchFrom {
+                ins_idx: [
+                    22,
+                ],
+                branch_idx: 4,
+            },
+        ),
+        branch_to: None,
+        arg_diff: [],
+    },
+    InstructionDiffRow {
+        ins_ref: Some(
+            InstructionRef {
+                address: 34,
+                size: 1,
+                opcode: 662,
+                branch_dest: None,
+            },
+        ),
+        kind: None,
+        branch_from: None,
+        branch_to: None,
+        arg_diff: [],
+    },
+    InstructionDiffRow {
+        ins_ref: Some(
+            InstructionRef {
+                address: 35,
+                size: 5,
+                opcode: 414,
+                branch_dest: None,
+            },
+        ),
+        kind: None,
+        branch_from: Some(
+            InstructionBranchFrom {
+                ins_idx: [
+                    23,
+                ],
+                branch_idx: 5,
+            },
+        ),
+        branch_to: None,
+        arg_diff: [],
+    },
+    InstructionDiffRow {
+        ins_ref: Some(
+            InstructionRef {
+                address: 40,
+                size: 1,
+                opcode: 662,
+                branch_dest: None,
+            },
+        ),
+        kind: None,
+        branch_from: None,
+        branch_to: None,
+        arg_diff: [],
+    },
+    InstructionDiffRow {
+        ins_ref: Some(
+            InstructionRef {
+                address: 41,
+                size: 5,
+                opcode: 414,
+                branch_dest: None,
+            },
+        ),
+        kind: None,
+        branch_from: Some(
+            InstructionBranchFrom {
+                ins_idx: [
+                    24,
+                ],
+                branch_idx: 6,
+            },
+        ),
+        branch_to: None,
+        arg_diff: [],
+    },
+    InstructionDiffRow {
+        ins_ref: Some(
+            InstructionRef {
+                address: 46,
+                size: 1,
+                opcode: 662,
+                branch_dest: None,
+            },
+        ),
+        kind: None,
+        branch_from: None,
+        branch_to: None,
+        arg_diff: [],
+    },
+    InstructionDiffRow {
+        ins_ref: Some(
+            InstructionRef {
+                address: 47,
+                size: 5,
+                opcode: 414,
+                branch_dest: None,
+            },
+        ),
+        kind: None,
+        branch_from: Some(
+            InstructionBranchFrom {
+                ins_idx: [
+                    25,
+                ],
+                branch_idx: 7,
+            },
+        ),
+        branch_to: None,
+        arg_diff: [],
+    },
+    InstructionDiffRow {
+        ins_ref: Some(
+            InstructionRef {
+                address: 52,
+                size: 1,
+                opcode: 662,
+                branch_dest: None,
+            },
+        ),
+        kind: None,
+        branch_from: None,
+        branch_to: None,
+        arg_diff: [],
+    },
+    InstructionDiffRow {
+        ins_ref: Some(
+            InstructionRef {
+                address: 53,
+                size: 5,
+                opcode: 414,
+                branch_dest: None,
+            },
+        ),
+        kind: None,
+        branch_from: Some(
+            InstructionBranchFrom {
+                ins_idx: [
+                    26,
+                ],
+                branch_idx: 8,
+            },
+        ),
+        branch_to: None,
+        arg_diff: [],
+    },
+    InstructionDiffRow {
+        ins_ref: Some(
+            InstructionRef {
+                address: 58,
+                size: 1,
+                opcode: 662,
+                branch_dest: None,
+            },
+        ),
+        kind: None,
+        branch_from: Some(
+            InstructionBranchFrom {
+                ins_idx: [
+                    3,
+                ],
+                branch_idx: 0,
+            },
+        ),
+        branch_to: None,
+        arg_diff: [],
+    },
+    InstructionDiffRow {
+        ins_ref: Some(
+            InstructionRef {
+                address: 59,
+                size: 1,
+                opcode: 465,
+                branch_dest: None,
+            },
+        ),
+        kind: None,
+        branch_from: None,
+        branch_to: None,
+        arg_diff: [],
+    },
+    InstructionDiffRow {
+        ins_ref: Some(
+            InstructionRef {
+                address: 60,
+                size: 4,
+                opcode: 65534,
+                branch_dest: Some(
+                    17,
+                ),
+            },
+        ),
+        kind: None,
+        branch_from: Some(
+            InstructionBranchFrom {
+                ins_idx: [
+                    4,
+                ],
+                branch_idx: 1,
+            },
+        ),
+        branch_to: Some(
+            InstructionBranchTo {
+                ins_idx: 5,
+                branch_idx: 2,
+            },
+        ),
+        arg_diff: [],
+    },
+    InstructionDiffRow {
+        ins_ref: Some(
+            InstructionRef {
+                address: 64,
+                size: 4,
+                opcode: 65534,
+                branch_dest: Some(
+                    23,
+                ),
+            },
+        ),
+        kind: None,
+        branch_from: None,
+        branch_to: Some(
+            InstructionBranchTo {
+                ins_idx: 7,
+                branch_idx: 3,
+            },
+        ),
+        arg_diff: [],
+    },
+    InstructionDiffRow {
+        ins_ref: Some(
+            InstructionRef {
+                address: 68,
+                size: 4,
+                opcode: 65534,
+                branch_dest: Some(
+                    29,
+                ),
+            },
+        ),
+        kind: None,
+        branch_from: None,
+        branch_to: Some(
+            InstructionBranchTo {
+                ins_idx: 9,
+                branch_idx: 4,
+            },
+        ),
+        arg_diff: [],
+    },
+    InstructionDiffRow {
+        ins_ref: Some(
+            InstructionRef {
+                address: 72,
+                size: 4,
+                opcode: 65534,
+                branch_dest: Some(
+                    35,
+                ),
+            },
+        ),
+        kind: None,
+        branch_from: None,
+        branch_to: Some(
+            InstructionBranchTo {
+                ins_idx: 11,
+                branch_idx: 5,
+            },
+        ),
+        arg_diff: [],
+    },
+    InstructionDiffRow {
+        ins_ref: Some(
+            InstructionRef {
+                address: 76,
+                size: 4,
+                opcode: 65534,
+                branch_dest: Some(
+                    41,
+                ),
+            },
+        ),
+        kind: None,
+        branch_from: None,
+        branch_to: Some(
+            InstructionBranchTo {
+                ins_idx: 13,
+                branch_idx: 6,
+            },
+        ),
+        arg_diff: [],
+    },
+    InstructionDiffRow {
+        ins_ref: Some(
+            InstructionRef {
+                address: 80,
+                size: 4,
+                opcode: 65534,
+                branch_dest: Some(
+                    47,
+                ),
+            },
+        ),
+        kind: None,
+        branch_from: None,
+        branch_to: Some(
+            InstructionBranchTo {
+                ins_idx: 15,
+                branch_idx: 7,
+            },
+        ),
+        arg_diff: [],
+    },
+    InstructionDiffRow {
+        ins_ref: Some(
+            InstructionRef {
+                address: 84,
+                size: 4,
+                opcode: 65534,
+                branch_dest: Some(
+                    53,
+                ),
+            },
+        ),
+        kind: None,
+        branch_from: None,
+        branch_to: Some(
+            InstructionBranchTo {
+                ins_idx: 17,
+                branch_idx: 8,
+            },
+        ),
+        arg_diff: [],
+    },
+    InstructionDiffRow {
+        ins_ref: Some(
+            InstructionRef {
+                address: 88,
+                size: 1,
+                opcode: 465,
+                branch_dest: None,
+            },
+        ),
+        kind: None,
+        branch_from: None,
+        branch_to: None,
+        arg_diff: [],
+    },
+    InstructionDiffRow {
+        ins_ref: Some(
+            InstructionRef {
+                address: 89,
+                size: 1,
+                opcode: 465,
+                branch_dest: None,
+            },
+        ),
+        kind: None,
+        branch_from: None,
+        branch_to: None,
+        arg_diff: [],
+    },
+    InstructionDiffRow {
+        ins_ref: Some(
+            InstructionRef {
+                address: 90,
+                size: 1,
+                opcode: 465,
+                branch_dest: None,
+            },
+        ),
+        kind: None,
+        branch_from: None,
+        branch_to: None,
+        arg_diff: [],
+    },
+    InstructionDiffRow {
+        ins_ref: Some(
+            InstructionRef {
+                address: 91,
+                size: 1,
+                opcode: 465,
+                branch_dest: None,
+            },
+        ),
+        kind: None,
+        branch_from: None,
+        branch_to: None,
+        arg_diff: [],
+    },
+    InstructionDiffRow {
+        ins_ref: Some(
+            InstructionRef {
+                address: 92,
+                size: 1,
+                opcode: 465,
+                branch_dest: None,
+            },
+        ),
+        kind: None,
+        branch_from: None,
+        branch_to: None,
+        arg_diff: [],
+    },
+    InstructionDiffRow {
+        ins_ref: Some(
+            InstructionRef {
+                address: 93,
+                size: 1,
+                opcode: 465,
+                branch_dest: None,
+            },
+        ),
+        kind: None,
+        branch_from: None,
+        branch_to: None,
+        arg_diff: [],
+    },
+    InstructionDiffRow {
+        ins_ref: Some(
+            InstructionRef {
+                address: 94,
+                size: 1,
+                opcode: 465,
+                branch_dest: None,
+            },
+        ),
+        kind: None,
+        branch_from: None,
+        branch_to: None,
+        arg_diff: [],
+    },
+    InstructionDiffRow {
+        ins_ref: Some(
+            InstructionRef {
+                address: 95,
+                size: 1,
+                opcode: 465,
+                branch_dest: None,
+            },
+        ),
+        kind: None,
+        branch_from: None,
+        branch_to: None,
+        arg_diff: [],
+    },
+]

objdiff-core/tests/snapshots/arch_x86__read_x86_jumptable-3.snap

@@ -0,0 +1,39 @@
+---
+source: objdiff-core/tests/arch_x86.rs
+expression: output
+---
+[(Address(0), Normal, 5), (Spacing(4), Normal, 0), (Opcode("mov", 414), Normal, 10), (Argument(Opaque("eax")), Normal, 0), (Basic(","), Normal, 0), (Spacing(1), Normal, 0), (Basic("["), Normal, 0), (Argument(Opaque("esp")), Normal, 0), (Argument(Opaque("+")), Normal, 0), (Argument(Signed(4)), Normal, 0), (Basic("]"), Normal, 0), (Eol, Normal, 0)]
+[(Address(4), Normal, 5), (Spacing(4), Normal, 0), (Opcode("dec", 137), Normal, 10), (Argument(Opaque("eax")), Normal, 0), (Eol, Normal, 0)]
+[(Address(5), Normal, 5), (Spacing(4), Normal, 0), (Opcode("cmp", 93), Normal, 10), (Argument(Opaque("eax")), Normal, 0), (Basic(","), Normal, 0), (Spacing(1), Normal, 0), (Argument(Unsigned(6)), Normal, 0), (Eol, Normal, 0)]
+[(Address(8), Normal, 5), (Spacing(4), Normal, 0), (Opcode("ja", 297), Normal, 10), (Argument(Opaque("short")), Normal, 0), (Spacing(1), Normal, 0), (BranchDest(58), Normal, 0), (Basic(" ~>"), Rotating(0), 0), (Eol, Normal, 0)]
+[(Address(10), Normal, 5), (Spacing(4), Normal, 0), (Opcode("jmp", 308), Normal, 10), (Argument(Opaque("dword")), Normal, 0), (Spacing(1), Normal, 0), (Argument(Opaque("ptr")), Normal, 0), (Spacing(1), Normal, 0), (Basic("["), Normal, 0), (Argument(Opaque("eax")), Normal, 0), (Argument(Opaque("*")), Normal, 0), (Argument(Signed(4)), Normal, 0), (Argument(Opaque("+")), Normal, 0), (BranchDest(60), Normal, 0), (Basic("]"), Normal, 0), (Basic(" ~>"), Rotating(1), 0), (Eol, Normal, 0)]
+[(Address(17), Normal, 5), (Basic(" ~> "), Rotating(2), 0), (Opcode("mov", 414), Normal, 10), (Argument(Opaque("eax")), Normal, 0), (Basic(","), Normal, 0), (Spacing(1), Normal, 0), (Argument(Unsigned(8)), Normal, 0), (Eol, Normal, 0)]
+[(Address(22), Normal, 5), (Spacing(4), Normal, 0), (Opcode("ret", 662), Normal, 10), (Eol, Normal, 0)]
+[(Address(23), Normal, 5), (Basic(" ~> "), Rotating(3), 0), (Opcode("mov", 414), Normal, 10), (Argument(Opaque("eax")), Normal, 0), (Basic(","), Normal, 0), (Spacing(1), Normal, 0), (Argument(Unsigned(7)), Normal, 0), (Eol, Normal, 0)]
+[(Address(28), Normal, 5), (Spacing(4), Normal, 0), (Opcode("ret", 662), Normal, 10), (Eol, Normal, 0)]
+[(Address(29), Normal, 5), (Basic(" ~> "), Rotating(4), 0), (Opcode("mov", 414), Normal, 10), (Argument(Opaque("eax")), Normal, 0), (Basic(","), Normal, 0), (Spacing(1), Normal, 0), (Argument(Unsigned(6)), Normal, 0), (Eol, Normal, 0)]
+[(Address(34), Normal, 5), (Spacing(4), Normal, 0), (Opcode("ret", 662), Normal, 10), (Eol, Normal, 0)]
+[(Address(35), Normal, 5), (Basic(" ~> "), Rotating(5), 0), (Opcode("mov", 414), Normal, 10), (Argument(Opaque("eax")), Normal, 0), (Basic(","), Normal, 0), (Spacing(1), Normal, 0), (Argument(Unsigned(5)), Normal, 0), (Eol, Normal, 0)]
+[(Address(40), Normal, 5), (Spacing(4), Normal, 0), (Opcode("ret", 662), Normal, 10), (Eol, Normal, 0)]
+[(Address(41), Normal, 5), (Basic(" ~> "), Rotating(6), 0), (Opcode("mov", 414), Normal, 10), (Argument(Opaque("eax")), Normal, 0), (Basic(","), Normal, 0), (Spacing(1), Normal, 0), (Argument(Unsigned(4)), Normal, 0), (Eol, Normal, 0)]
+[(Address(46), Normal, 5), (Spacing(4), Normal, 0), (Opcode("ret", 662), Normal, 10), (Eol, Normal, 0)]
+[(Address(47), Normal, 5), (Basic(" ~> "), Rotating(7), 0), (Opcode("mov", 414), Normal, 10), (Argument(Opaque("eax")), Normal, 0), (Basic(","), Normal, 0), (Spacing(1), Normal, 0), (Argument(Unsigned(3)), Normal, 0), (Eol, Normal, 0)]
+[(Address(52), Normal, 5), (Spacing(4), Normal, 0), (Opcode("ret", 662), Normal, 10), (Eol, Normal, 0)]
+[(Address(53), Normal, 5), (Basic(" ~> "), Rotating(8), 0), (Opcode("mov", 414), Normal, 10), (Argument(Opaque("eax")), Normal, 0), (Basic(","), Normal, 0), (Spacing(1), Normal, 0), (Argument(Unsigned(2)), Normal, 0), (Eol, Normal, 0)]
+[(Address(58), Normal, 5), (Basic(" ~> "), Rotating(0), 0), (Opcode("ret", 662), Normal, 10), (Eol, Normal, 0)]
+[(Address(59), Normal, 5), (Spacing(4), Normal, 0), (Opcode("nop", 465), Normal, 10), (Eol, Normal, 0)]
+[(Address(60), Normal, 5), (Basic(" ~> "), Rotating(1), 0), (Opcode(".dword", 65534), Normal, 10), (BranchDest(17), Normal, 0), (Basic(" ~>"), Rotating(2), 0), (Eol, Normal, 0)]
+[(Address(64), Normal, 5), (Spacing(4), Normal, 0), (Opcode(".dword", 65534), Normal, 10), (BranchDest(23), Normal, 0), (Basic(" ~>"), Rotating(3), 0), (Eol, Normal, 0)]
+[(Address(68), Normal, 5), (Spacing(4), Normal, 0), (Opcode(".dword", 65534), Normal, 10), (BranchDest(29), Normal, 0), (Basic(" ~>"), Rotating(4), 0), (Eol, Normal, 0)]
+[(Address(72), Normal, 5), (Spacing(4), Normal, 0), (Opcode(".dword", 65534), Normal, 10), (BranchDest(35), Normal, 0), (Basic(" ~>"), Rotating(5), 0), (Eol, Normal, 0)]
+[(Address(76), Normal, 5), (Spacing(4), Normal, 0), (Opcode(".dword", 65534), Normal, 10), (BranchDest(41), Normal, 0), (Basic(" ~>"), Rotating(6), 0), (Eol, Normal, 0)]
+[(Address(80), Normal, 5), (Spacing(4), Normal, 0), (Opcode(".dword", 65534), Normal, 10), (BranchDest(47), Normal, 0), (Basic(" ~>"), Rotating(7), 0), (Eol, Normal, 0)]
+[(Address(84), Normal, 5), (Spacing(4), Normal, 0), (Opcode(".dword", 65534), Normal, 10), (BranchDest(53), Normal, 0), (Basic(" ~>"), Rotating(8), 0), (Eol, Normal, 0)]
+[(Address(88), Normal, 5), (Spacing(4), Normal, 0), (Opcode("nop", 465), Normal, 10), (Eol, Normal, 0)]
+[(Address(89), Normal, 5), (Spacing(4), Normal, 0), (Opcode("nop", 465), Normal, 10), (Eol, Normal, 0)]
+[(Address(90), Normal, 5), (Spacing(4), Normal, 0), (Opcode("nop", 465), Normal, 10), (Eol, Normal, 0)]
+[(Address(91), Normal, 5), (Spacing(4), Normal, 0), (Opcode("nop", 465), Normal, 10), (Eol, Normal, 0)]
+[(Address(92), Normal, 5), (Spacing(4), Normal, 0), (Opcode("nop", 465), Normal, 10), (Eol, Normal, 0)]
+[(Address(93), Normal, 5), (Spacing(4), Normal, 0), (Opcode("nop", 465), Normal, 10), (Eol, Normal, 0)]
+[(Address(94), Normal, 5), (Spacing(4), Normal, 0), (Opcode("nop", 465), Normal, 10), (Eol, Normal, 0)]
+[(Address(95), Normal, 5), (Spacing(4), Normal, 0), (Opcode("nop", 465), Normal, 10), (Eol, Normal, 0)]

objdiff-core/tests/snapshots/arch_x86__read_x86_jumptable.snap

@@ -0,0 +1,314 @@
+---
+source: objdiff-core/tests/arch_x86.rs
+expression: obj
+---
+Object {
+    arch: ArchX86 {
+        arch: X86,
+        endianness: Little,
+    },
+    endianness: Little,
+    symbols: [
+        Symbol {
+            name: "Z:/tmp/code.c",
+            demangled_name: None,
+            address: 0,
+            size: 0,
+            kind: Unknown,
+            section: None,
+            flags: FlagSet(Local),
+            align: None,
+            virtual_address: None,
+        },
+        Symbol {
+            name: "@comp.id",
+            demangled_name: None,
+            address: 0,
+            size: 0,
+            kind: Object,
+            section: None,
+            flags: FlagSet(Local),
+            align: None,
+            virtual_address: None,
+        },
+        Symbol {
+            name: "[.drectve]",
+            demangled_name: None,
+            address: 0,
+            size: 38,
+            kind: Section,
+            section: Some(
+                0,
+            ),
+            flags: FlagSet(Local),
+            align: None,
+            virtual_address: None,
+        },
+        Symbol {
+            name: "[.text]",
+            demangled_name: None,
+            address: 0,
+            size: 0,
+            kind: Section,
+            section: Some(
+                1,
+            ),
+            flags: FlagSet(Local),
+            align: None,
+            virtual_address: None,
+        },
+        Symbol {
+            name: "?test@@YAHH@Z",
+            demangled_name: Some(
+                "int __cdecl test(int)",
+            ),
+            address: 0,
+            size: 96,
+            kind: Function,
+            section: Some(
+                1,
+            ),
+            flags: FlagSet(Global | SizeInferred),
+            align: None,
+            virtual_address: None,
+        },
+        Symbol {
+            name: "$L278",
+            demangled_name: None,
+            address: 53,
+            size: 0,
+            kind: Unknown,
+            section: Some(
+                1,
+            ),
+            flags: FlagSet(Local),
+            align: None,
+            virtual_address: None,
+        },
+        Symbol {
+            name: "$L277",
+            demangled_name: None,
+            address: 47,
+            size: 0,
+            kind: Unknown,
+            section: Some(
+                1,
+            ),
+            flags: FlagSet(Local),
+            align: None,
+            virtual_address: None,
+        },
+        Symbol {
+            name: "$L276",
+            demangled_name: None,
+            address: 41,
+            size: 0,
+            kind: Unknown,
+            section: Some(
+                1,
+            ),
+            flags: FlagSet(Local),
+            align: None,
+            virtual_address: None,
+        },
+        Symbol {
+            name: "$L275",
+            demangled_name: None,
+            address: 35,
+            size: 0,
+            kind: Unknown,
+            section: Some(
+                1,
+            ),
+            flags: FlagSet(Local),
+            align: None,
+            virtual_address: None,
+        },
+        Symbol {
+            name: "$L274",
+            demangled_name: None,
+            address: 29,
+            size: 0,
+            kind: Unknown,
+            section: Some(
+                1,
+            ),
+            flags: FlagSet(Local),
+            align: None,
+            virtual_address: None,
+        },
+        Symbol {
+            name: "$L273",
+            demangled_name: None,
+            address: 23,
+            size: 0,
+            kind: Unknown,
+            section: Some(
+                1,
+            ),
+            flags: FlagSet(Local),
+            align: None,
+            virtual_address: None,
+        },
+        Symbol {
+            name: "$L272",
+            demangled_name: None,
+            address: 17,
+            size: 0,
+            kind: Unknown,
+            section: Some(
+                1,
+            ),
+            flags: FlagSet(Local),
+            align: None,
+            virtual_address: None,
+        },
+        Symbol {
+            name: "$L282",
+            demangled_name: None,
+            address: 60,
+            size: 0,
+            kind: Unknown,
+            section: Some(
+                1,
+            ),
+            flags: FlagSet(Local),
+            align: None,
+            virtual_address: None,
+        },
+        Symbol {
+            name: "[.debug$F]",
+            demangled_name: None,
+            address: 0,
+            size: 16,
+            kind: Section,
+            section: Some(
+                2,
+            ),
+            flags: FlagSet(Local),
+            align: None,
+            virtual_address: None,
+        },
+    ],
+    sections: [
+        Section {
+            id: ".drectve-0",
+            name: ".drectve",
+            address: 0,
+            size: 38,
+            kind: Unknown,
+            data: SectionData(
+                0,
+            ),
+            flags: FlagSet(),
+            align: Some(
+                1,
+            ),
+            relocations: [],
+            line_info: {},
+            virtual_address: None,
+        },
+        Section {
+            id: ".text-0",
+            name: ".text",
+            address: 0,
+            size: 96,
+            kind: Code,
+            data: SectionData(
+                96,
+            ),
+            flags: FlagSet(),
+            align: Some(
+                16,
+            ),
+            relocations: [
+                Relocation {
+                    flags: Coff(
+                        6,
+                    ),
+                    address: 13,
+                    target_symbol: 12,
+                    addend: 0,
+                },
+                Relocation {
+                    flags: Coff(
+                        6,
+                    ),
+                    address: 60,
+                    target_symbol: 11,
+                    addend: 0,
+                },
+                Relocation {
+                    flags: Coff(
+                        6,
+                    ),
+                    address: 64,
+                    target_symbol: 10,
+                    addend: 0,
+                },
+                Relocation {
+                    flags: Coff(
+                        6,
+                    ),
+                    address: 68,
+                    target_symbol: 9,
+                    addend: 0,
+                },
+                Relocation {
+                    flags: Coff(
+                        6,
+                    ),
+                    address: 72,
+                    target_symbol: 8,
+                    addend: 0,
+                },
+                Relocation {
+                    flags: Coff(
+                        6,
+                    ),
+                    address: 76,
+                    target_symbol: 7,
+                    addend: 0,
+                },
+                Relocation {
+                    flags: Coff(
+                        6,
+                    ),
+                    address: 80,
+                    target_symbol: 6,
+                    addend: 0,
+                },
+                Relocation {
+                    flags: Coff(
+                        6,
+                    ),
+                    address: 84,
+                    target_symbol: 5,
+                    addend: 0,
+                },
+            ],
+            line_info: {},
+            virtual_address: None,
+        },
+        Section {
+            id: ".debug$F-0",
+            name: ".debug$F",
+            address: 0,
+            size: 16,
+            kind: Unknown,
+            data: SectionData(
+                0,
+            ),
+            flags: FlagSet(),
+            align: Some(
+                1,
+            ),
+            relocations: [],
+            line_info: {},
+            virtual_address: None,
+        },
+    ],
+    split_meta: None,
+    path: None,
+    timestamp: None,
+}

objdiff-core/tests/snapshots/arch_x86__read_x86_local_labels.snap

@@ -0,0 +1,163 @@
+---
+source: objdiff-core/tests/arch_x86.rs
+expression: obj
+---
+Object {
+    arch: ArchX86 {
+        arch: X86,
+        endianness: Little,
+    },
+    endianness: Little,
+    symbols: [
+        Symbol {
+            name: "42b830_convertToUppercaseShiftJIS.obj",
+            demangled_name: None,
+            address: 0,
+            size: 0,
+            kind: Unknown,
+            section: None,
+            flags: FlagSet(Local),
+            align: None,
+            virtual_address: None,
+        },
+        Symbol {
+            name: "[.text]",
+            demangled_name: None,
+            address: 0,
+            size: 0,
+            kind: Section,
+            section: Some(
+                0,
+            ),
+            flags: FlagSet(Local),
+            align: None,
+            virtual_address: None,
+        },
+        Symbol {
+            name: "LAB_0042b850",
+            demangled_name: None,
+            address: 32,
+            size: 0,
+            kind: Object,
+            section: Some(
+                0,
+            ),
+            flags: FlagSet(Local),
+            align: None,
+            virtual_address: None,
+        },
+        Symbol {
+            name: "LAB_0042b883",
+            demangled_name: None,
+            address: 83,
+            size: 0,
+            kind: Object,
+            section: Some(
+                0,
+            ),
+            flags: FlagSet(Local),
+            align: None,
+            virtual_address: None,
+        },
+        Symbol {
+            name: "LAB_0042b87c",
+            demangled_name: None,
+            address: 76,
+            size: 0,
+            kind: Object,
+            section: Some(
+                0,
+            ),
+            flags: FlagSet(Local),
+            align: None,
+            virtual_address: None,
+        },
+        Symbol {
+            name: "LAB_0042b884",
+            demangled_name: None,
+            address: 84,
+            size: 0,
+            kind: Object,
+            section: Some(
+                0,
+            ),
+            flags: FlagSet(Local),
+            align: None,
+            virtual_address: None,
+        },
+        Symbol {
+            name: "LAB_0042b889",
+            demangled_name: None,
+            address: 89,
+            size: 0,
+            kind: Object,
+            section: Some(
+                0,
+            ),
+            flags: FlagSet(Local),
+            align: None,
+            virtual_address: None,
+        },
+        Symbol {
+            name: "LAB_0042b845",
+            demangled_name: None,
+            address: 21,
+            size: 0,
+            kind: Object,
+            section: Some(
+                0,
+            ),
+            flags: FlagSet(Local),
+            align: None,
+            virtual_address: None,
+        },
+        Symbol {
+            name: "LAB_0042b869",
+            demangled_name: None,
+            address: 57,
+            size: 0,
+            kind: Object,
+            section: Some(
+                0,
+            ),
+            flags: FlagSet(Local),
+            align: None,
+            virtual_address: None,
+        },
+        Symbol {
+            name: "ConvertToUppercaseShiftJIS",
+            demangled_name: None,
+            address: 0,
+            size: 92,
+            kind: Function,
+            section: Some(
+                0,
+            ),
+            flags: FlagSet(Global | SizeInferred),
+            align: None,
+            virtual_address: None,
+        },
+    ],
+    sections: [
+        Section {
+            id: ".text-0",
+            name: ".text",
+            address: 0,
+            size: 92,
+            kind: Code,
+            data: SectionData(
+                92,
+            ),
+            flags: FlagSet(),
+            align: Some(
+                16,
+            ),
+            relocations: [],
+            line_info: {},
+            virtual_address: None,
+        },
+    ],
+    split_meta: None,
+    path: None,
+    timestamp: None,
+}

objdiff-gui/Cargo.toml

@@ -42,11 +42,11 @@ png = "0.17"
 pollster = "0.4"
 regex = "1.11"
 rfd = { version = "0.15" } #, default-features = false, features = ['xdg-portal']
-rlwinmdec = { version = "1.0", git = "https://github.com/CelestialAmber/rlwinmdec.git" }
+rlwinmdec = "1.1"
 ron = "0.8"
 serde = { version = "1.0", features = ["derive"] }
 time = { version = "0.3", features = ["formatting", "local-offset"] }
-typed-path = "0.10"
+typed-path = "0.11"
 winit = { version = "0.30", features = ["wayland-csd-adwaita"] }
 tracing-subscriber = { version = "0.3", features = ["env-filter"] }
 

objdiff-gui/src/app.rs

@@ -775,9 +775,7 @@ impl eframe::App for App {
 
         if side_panel_available {
             egui::SidePanel::left("side_panel").show_animated(ctx, *show_side_panel, |ui| {
-                egui::ScrollArea::both().show(ui, |ui| {
-                    config_ui(ui, state, show_project_config, config_state, appearance);
-                });
+                config_ui(ui, state, show_project_config, config_state, appearance);
             });
         }
 

objdiff-gui/src/views/config.rs

@@ -297,27 +297,36 @@ pub fn config_ui(
             node_open = NodeOpen::Open;
         }
 
-        CollapsingHeader::new(RichText::new("🗀 Objects").font(FontId {
-            size: appearance.ui_font.size,
-            family: appearance.code_font.family.clone(),
-        }))
-        .open(root_open)
-        .default_open(true)
-        .show(ui, |ui| {
-            let search = config_state.object_search.to_ascii_lowercase();
-            ui.style_mut().wrap_mode = Some(egui::TextWrapMode::Extend);
-            for node in object_nodes.iter().filter_map(|node| {
-                filter_node(
-                    objects,
-                    node,
-                    &search,
-                    config_state.filter_diffable,
-                    config_state.filter_incomplete,
-                    config_state.show_hidden,
-                )
-            }) {
-                display_node(ui, &mut new_selected_index, objects, &node, appearance, node_open);
-            }
+        egui::ScrollArea::both().auto_shrink(false).show(ui, |ui| {
+            CollapsingHeader::new(RichText::new("🗀 Objects").font(FontId {
+                size: appearance.ui_font.size,
+                family: appearance.code_font.family.clone(),
+            }))
+            .open(root_open)
+            .default_open(true)
+            .show(ui, |ui| {
+                let search = config_state.object_search.to_ascii_lowercase();
+                ui.style_mut().wrap_mode = Some(egui::TextWrapMode::Extend);
+                for node in object_nodes.iter().filter_map(|node| {
+                    filter_node(
+                        objects,
+                        node,
+                        &search,
+                        config_state.filter_diffable,
+                        config_state.filter_incomplete,
+                        config_state.show_hidden,
+                    )
+                }) {
+                    display_node(
+                        ui,
+                        &mut new_selected_index,
+                        objects,
+                        &node,
+                        appearance,
+                        node_open,
+                    );
+                }
+            });
         });
     }
     if new_selected_index != selected_index {
@@ -327,11 +336,6 @@ pub fn config_ui(
             state_guard.set_selected_obj(config);
         }
     }
-    if state_guard.config.selected_obj.is_some()
-        && ui.add_enabled(!config_state.build_running, egui::Button::new("Build")).clicked()
-    {
-        config_state.queue_build = true;
-    }
 }
 
 fn display_unit(

objdiff-gui/src/views/data_diff.rs

@@ -5,7 +5,7 @@ use objdiff_core::{
     diff::{
         DataDiff, DataDiffKind, DataRelocationDiff,
         data::resolve_relocation,
-        display::{ContextItem, HoverItem, relocation_context, relocation_hover},
+        display::{ContextItem, HoverItem, HoverItemColor, relocation_context, relocation_hover},
     },
     obj::Object,
 };
@@ -19,6 +19,7 @@ fn data_row_hover(obj: &Object, diffs: &[(DataDiff, Vec<DataRelocationDiff>)]) -
     let mut out = Vec::new();
     let reloc_diffs = diffs.iter().flat_map(|(_, reloc_diffs)| reloc_diffs);
     let mut prev_reloc = None;
+    let mut first = true;
     for reloc_diff in reloc_diffs {
         let reloc = &reloc_diff.reloc;
         if prev_reloc == Some(reloc) {
@@ -29,11 +30,16 @@ fn data_row_hover(obj: &Object, diffs: &[(DataDiff, Vec<DataRelocationDiff>)]) -
         }
         prev_reloc = Some(reloc);
 
-        // TODO: Change hover text color depending on Insert/Delete/Replace kind
-        // let color = get_color_for_diff_kind(reloc_diff.kind, appearance);
+        if first {
+            first = false;
+        } else {
+            out.push(HoverItem::Separator);
+        }
+
+        let color = get_hover_item_color_for_diff_kind(reloc_diff.kind);
 
         let reloc = resolve_relocation(&obj.symbols, reloc);
-        out.append(&mut relocation_hover(obj, reloc));
+        out.append(&mut relocation_hover(obj, reloc, Some(color)));
     }
     out
 }
@@ -97,6 +103,15 @@ fn get_color_for_diff_kind(diff_kind: DataDiffKind, appearance: &Appearance) ->
     }
 }
 
+fn get_hover_item_color_for_diff_kind(diff_kind: DataDiffKind) -> HoverItemColor {
+    match diff_kind {
+        DataDiffKind::None => HoverItemColor::Normal,
+        DataDiffKind::Replace => HoverItemColor::Special,
+        DataDiffKind::Delete => HoverItemColor::Delete,
+        DataDiffKind::Insert => HoverItemColor::Insert,
+    }
+}
+
 pub(crate) fn data_row_ui(
     ui: &mut egui::Ui,
     obj: Option<&Object>,
@@ -132,14 +147,20 @@ pub(crate) fn data_row_ui(
             cur_addr += diff.len;
         } else {
             for byte in &diff.data {
+                let mut byte_text = format!("{byte:02x} ");
                 let mut byte_color = base_color;
-                if let Some(reloc_diff) = reloc_diffs.iter().find(|reloc_diff| {
-                    reloc_diff.kind != DataDiffKind::None
-                        && reloc_diff.range.contains(&cur_addr_actual)
-                }) {
-                    byte_color = get_color_for_diff_kind(reloc_diff.kind, appearance);
+                if let Some(reloc_diff) = reloc_diffs
+                    .iter()
+                    .find(|reloc_diff| reloc_diff.range.contains(&cur_addr_actual))
+                {
+                    if *byte == 0 {
+                        // Display 00 data bytes with a relocation as ?? instead.
+                        byte_text = "?? ".to_string();
+                    }
+                    if reloc_diff.kind != DataDiffKind::None {
+                        byte_color = get_color_for_diff_kind(reloc_diff.kind, appearance);
+                    }
                 }
-                let byte_text = format!("{byte:02x} ");
                 write_text(byte_text.as_str(), byte_color, &mut job, appearance.code_font.clone());
                 cur_addr += 1;
                 cur_addr_actual += 1;

objdiff-gui/src/views/diff.rs

@@ -49,7 +49,9 @@ impl<'a> DiffColumnContext<'a> {
         let selected_symbol = match view {
             View::SymbolDiff => None,
             View::FunctionDiff | View::ExtabDiff => match (obj, selected_symbol) {
-                (Some(obj), Some(s)) => find_symbol(&obj.0, s).map(SelectedSymbol::Symbol),
+                (Some(obj), Some(s)) => {
+                    obj.0.symbol_by_name(&s.symbol_name).map(SelectedSymbol::Symbol)
+                }
                 _ => None,
             },
             View::DataDiff => match (obj, selected_symbol) {
@@ -497,6 +499,7 @@ pub fn diff_view_ui(
             (state.current_view, left_ctx.obj, right_ctx.obj, left_ctx.section, right_ctx.section)
         {
             // Joint diff view
+            hotkeys::check_scroll_hotkeys(ui, true);
             let left_total_bytes =
                 left_section_diff.data_diff.iter().fold(0usize, |accum, item| accum + item.len);
             let right_total_bytes =
@@ -779,10 +782,6 @@ fn missing_obj_ui(ui: &mut Ui, appearance: &Appearance) {
     });
 }
 
-fn find_symbol(obj: &Object, selected_symbol: &SymbolRefByName) -> Option<usize> {
-    obj.symbols.iter().position(|symbol| symbol.name == selected_symbol.symbol_name)
-}
-
 fn find_section(obj: &Object, section_name: &str) -> Option<usize> {
     obj.sections.iter().position(|section| section.name == section_name)
 }
@@ -795,6 +794,8 @@ pub fn hover_items_ui(ui: &mut Ui, items: Vec<HoverItem>, appearance: &Appearanc
                 if !label.is_empty() {
                     let label_color = match color {
                         HoverItemColor::Special => appearance.replace_color,
+                        HoverItemColor::Delete => appearance.delete_color,
+                        HoverItemColor::Insert => appearance.insert_color,
                         _ => appearance.highlight_color,
                     };
                     write_text(&label, label_color, &mut job, appearance.code_font.clone());

objdiff-gui/src/views/symbol_diff.rs

@@ -512,7 +512,7 @@ pub fn symbol_hover_ui(
     ui.scope(|ui| {
         ui.style_mut().override_text_style = Some(egui::TextStyle::Monospace);
         ui.style_mut().wrap_mode = Some(egui::TextWrapMode::Wrap);
-        hover_items_ui(ui, symbol_hover(ctx.obj, symbol_idx, 0), appearance);
+        hover_items_ui(ui, symbol_hover(ctx.obj, symbol_idx, 0, None), appearance);
     });
 }
 

objdiff-wasm/Cargo.toml

@@ -1,9 +1,7 @@
 [package]
 name = "objdiff-wasm"
 version.workspace = true
-# TODO: Update to 2024
-# https://github.com/bytecodealliance/wit-bindgen/pull/1183
-edition = "2021"
+edition = "2024"
 rust-version.workspace = true
 authors.workspace = true
 license.workspace = true
@@ -25,17 +23,18 @@ std = ["objdiff-core/std"]
 [dependencies]
 log = { version = "0.4", default-features = false }
 regex = { version = "1.11", default-features = false, features = ["unicode-case"] }
+xxhash-rust = { version = "0.8", default-features = false, features = ["xxh3"] }
 
 [dependencies.objdiff-core]
 path = "../objdiff-core"
 default-features = false
-features = ["arm", "arm64", "mips", "ppc", "x86", "dwarf"]
+features = ["arm", "arm64", "mips", "ppc", "superh", "x86", "dwarf"]
 
 [target.'cfg(target_family = "wasm")'.dependencies]
 talc = { version = "4.4", default-features = false, features = ["lock_api"] }
 
 [target.'cfg(target_os = "wasi")'.dependencies]
-wit-bindgen = { version = "0.40", default-features = false, features = ["macros"] }
+wit-bindgen = { version = "0.42", default-features = false, features = ["macros"] }
 
 [build-dependencies]
 wit-deps = "0.5"

objdiff-wasm/package-lock.json

@@ -1,12 +1,12 @@
 {
   "name": "objdiff-wasm",
-  "version": "3.0.0-beta.3",
+  "version": "3.0.0-beta.9",
   "lockfileVersion": 3,
   "requires": true,
   "packages": {
     "": {
       "name": "objdiff-wasm",
-      "version": "3.0.0-beta.3",
+      "version": "3.0.0-beta.9",
       "license": "MIT OR Apache-2.0",
       "devDependencies": {
         "@biomejs/biome": "^1.9.3",

objdiff-wasm/package.json

@@ -1,6 +1,6 @@
 {
   "name": "objdiff-wasm",
-  "version": "3.0.0-beta.3",
+  "version": "3.0.0-beta.9",
   "description": "A local diffing tool for decompilation projects.",
   "author": {
     "name": "Luke Street",

objdiff-wasm/src/api.rs

@@ -1,14 +1,16 @@
 use alloc::{
     format,
-    rc::Rc,
+    rc::{Rc, Weak},
     str::FromStr,
     string::{String, ToString},
+    vec,
     vec::Vec,
 };
 use core::cell::RefCell;
 
 use objdiff_core::{diff, obj};
 use regex::{Regex, RegexBuilder};
+use xxhash_rust::xxh3::xxh3_64;
 
 use super::logging;
 
@@ -22,14 +24,14 @@ wit_bindgen::generate!({
 use exports::objdiff::core::{
     diff::{
         DiffConfigBorrow, DiffResult, Guest as GuestDiff, GuestDiffConfig, GuestObject,
-        GuestObjectDiff, Object, ObjectBorrow, ObjectDiff, ObjectDiffBorrow,
+        GuestObjectDiff, MappingConfig, Object, ObjectBorrow, ObjectDiff, ObjectDiffBorrow,
+        SymbolFlags, SymbolInfo, SymbolKind, SymbolRef,
     },
     display::{
         ContextItem, ContextItemCopy, ContextItemNavigate, DiffText, DiffTextColor, DiffTextOpcode,
         DiffTextSegment, DiffTextSymbol, DisplayConfig, Guest as GuestDisplay, HoverItem,
         HoverItemColor, HoverItemText, InstructionDiffKind, InstructionDiffRow, SectionDisplay,
-        SectionDisplaySymbol, SymbolDisplay, SymbolFilter, SymbolFlags, SymbolKind,
-        SymbolNavigationKind, SymbolRef,
+        SymbolDisplay, SymbolFilter, SymbolNavigationKind,
     },
 };
 
@@ -41,8 +43,7 @@ impl Guest for Component {
     fn version() -> String { env!("CARGO_PKG_VERSION").to_string() }
 }
 
-#[repr(transparent)]
-struct ResourceObject(Rc<obj::Object>);
+struct ResourceObject(Rc<obj::Object>, u64);
 
 struct ResourceObjectDiff(Rc<obj::Object>, diff::ObjectDiff);
 
@@ -58,15 +59,17 @@ impl GuestDiff for Component {
         left: Option<ObjectBorrow>,
         right: Option<ObjectBorrow>,
         diff_config: DiffConfigBorrow,
+        mapping_config: MappingConfig,
     ) -> Result<DiffResult, String> {
         let diff_config = diff_config.get::<ResourceDiffConfig>().0.borrow();
+        let mapping_config = diff::MappingConfig::from(mapping_config);
         log::debug!("Running diff with config: {:?}", diff_config);
         let result = diff::diff_objs(
             left.as_ref().map(|o| o.get::<ResourceObject>().0.as_ref()),
             right.as_ref().map(|o| o.get::<ResourceObject>().0.as_ref()),
             None,
             &diff_config,
-            &diff::MappingConfig::default(),
+            &mapping_config,
         )
         .map_err(|e| e.to_string())?;
         Ok(DiffResult {
@@ -133,78 +136,80 @@ impl GuestDisplay for Component {
             name: d.name,
             size: d.size,
             match_percent: d.match_percent,
-            symbols: d
-                .symbols
-                .into_iter()
-                .map(|s| SectionDisplaySymbol {
-                    symbol: s.symbol as SymbolRef,
-                    is_mapping_symbol: s.is_mapping_symbol,
-                })
-                .collect(),
+            symbols: d.symbols.into_iter().map(to_symbol_ref).collect(),
         })
         .collect()
     }
 
-    fn display_symbol(
-        diff: ObjectDiffBorrow,
-        symbol_display: SectionDisplaySymbol,
-    ) -> SymbolDisplay {
+    fn display_symbol(diff: ObjectDiffBorrow, symbol_ref: SymbolRef) -> SymbolDisplay {
         let obj_diff = diff.get::<ResourceObjectDiff>();
         let obj = obj_diff.0.as_ref();
         let obj_diff = &obj_diff.1;
-        let symbol_idx = symbol_display.symbol as usize;
-        let symbol = &obj.symbols[symbol_idx];
+        let symbol_display = from_symbol_ref(symbol_ref);
+        let Some(symbol) = obj.symbols.get(symbol_display.symbol) else {
+            return SymbolDisplay {
+                info: SymbolInfo { name: "<unknown>".to_string(), ..Default::default() },
+                ..Default::default()
+            };
+        };
         let symbol_diff = if symbol_display.is_mapping_symbol {
             obj_diff
                 .mapping_symbols
                 .iter()
-                .find(|s| s.symbol_index == symbol_idx)
+                .find(|s| s.symbol_index == symbol_display.symbol)
                 .map(|s| &s.symbol_diff)
-                .unwrap()
         } else {
-            &obj_diff.symbols[symbol_idx]
+            obj_diff.symbols.get(symbol_display.symbol)
         };
         SymbolDisplay {
-            name: symbol.name.clone(),
-            demangled_name: symbol.demangled_name.clone(),
-            address: symbol.address,
-            size: symbol.size,
-            kind: SymbolKind::from(symbol.kind),
-            section: symbol.section.map(|s| s as u32),
-            flags: SymbolFlags::from(symbol.flags),
-            align: symbol.align.map(|a| a.get()),
-            virtual_address: symbol.virtual_address,
-            target_symbol: symbol_diff.target_symbol.map(|s| s as u32),
-            match_percent: symbol_diff.match_percent,
-            diff_score: symbol_diff.diff_score,
-            row_count: symbol_diff.instruction_rows.len() as u32,
+            info: SymbolInfo {
+                id: to_symbol_ref(symbol_display),
+                name: symbol.name.clone(),
+                demangled_name: symbol.demangled_name.clone(),
+                address: symbol.address,
+                size: symbol.size,
+                kind: SymbolKind::from(symbol.kind),
+                section: symbol.section.map(|s| s as u32),
+                section_name: symbol
+                    .section
+                    .and_then(|s| obj.sections.get(s).map(|sec| sec.name.clone())),
+                flags: SymbolFlags::from(symbol.flags),
+                align: symbol.align.map(|a| a.get()),
+                virtual_address: symbol.virtual_address,
+            },
+            target_symbol: symbol_diff.and_then(|sd| sd.target_symbol.map(|s| s as u32)),
+            match_percent: symbol_diff.and_then(|sd| sd.match_percent),
+            diff_score: symbol_diff.and_then(|sd| sd.diff_score),
+            row_count: symbol_diff.map_or(0, |sd| sd.instruction_rows.len() as u32),
         }
     }
 
     fn display_instruction_row(
         diff: ObjectDiffBorrow,
-        symbol_display: SectionDisplaySymbol,
+        symbol_ref: SymbolRef,
         row_index: u32,
         diff_config: DiffConfigBorrow,
     ) -> InstructionDiffRow {
-        let mut segments = Vec::with_capacity(16);
         let obj_diff = diff.get::<ResourceObjectDiff>();
         let obj = obj_diff.0.as_ref();
         let obj_diff = &obj_diff.1;
-        let symbol_idx = symbol_display.symbol as usize;
+        let symbol_display = from_symbol_ref(symbol_ref);
         let symbol_diff = if symbol_display.is_mapping_symbol {
             obj_diff
                 .mapping_symbols
                 .iter()
-                .find(|s| s.symbol_index == symbol_idx)
+                .find(|s| s.symbol_index == symbol_display.symbol)
                 .map(|s| &s.symbol_diff)
-                .unwrap()
         } else {
-            &obj_diff.symbols[symbol_idx]
+            obj_diff.symbols.get(symbol_display.symbol)
+        };
+        let Some(row) = symbol_diff.and_then(|sd| sd.instruction_rows.get(row_index as usize))
+        else {
+            return InstructionDiffRow::default();
         };
-        let row = &symbol_diff.instruction_rows[row_index as usize];
         let diff_config = diff_config.get::<ResourceDiffConfig>().0.borrow();
-        diff::display::display_row(obj, symbol_idx, row, &diff_config, |segment| {
+        let mut segments = Vec::with_capacity(16);
+        diff::display::display_row(obj, symbol_display.symbol, row, &diff_config, |segment| {
             segments.push(DiffTextSegment::from(segment));
             Ok(())
         })
@@ -212,25 +217,23 @@ impl GuestDisplay for Component {
         InstructionDiffRow { segments, diff_kind: InstructionDiffKind::from(row.kind) }
     }
 
-    fn symbol_context(
-        diff: ObjectDiffBorrow,
-        symbol_display: SectionDisplaySymbol,
-    ) -> Vec<ContextItem> {
+    fn symbol_context(diff: ObjectDiffBorrow, symbol_ref: SymbolRef) -> Vec<ContextItem> {
         let obj_diff = diff.get::<ResourceObjectDiff>();
         let obj = obj_diff.0.as_ref();
+        let symbol_display = from_symbol_ref(symbol_ref);
         diff::display::symbol_context(obj, symbol_display.symbol as usize)
             .into_iter()
             .map(|item| ContextItem::from(item))
             .collect()
     }
 
-    fn symbol_hover(
-        diff: ObjectDiffBorrow,
-        symbol_display: SectionDisplaySymbol,
-    ) -> Vec<HoverItem> {
+    fn symbol_hover(diff: ObjectDiffBorrow, symbol_ref: SymbolRef) -> Vec<HoverItem> {
         let obj_diff = diff.get::<ResourceObjectDiff>();
         let obj = obj_diff.0.as_ref();
-        diff::display::symbol_hover(obj, symbol_display.symbol as usize, 0 /* TODO */)
+        let addend = 0; // TODO
+        let override_color = None; // TODO: colorize replaced/deleted/inserted relocations
+        let symbol_display = from_symbol_ref(symbol_ref);
+        diff::display::symbol_hover(obj, symbol_display.symbol as usize, addend, override_color)
             .into_iter()
             .map(|item| HoverItem::from(item))
             .collect()
@@ -238,74 +241,98 @@ impl GuestDisplay for Component {
 
     fn instruction_context(
         diff: ObjectDiffBorrow,
-        symbol_display: SectionDisplaySymbol,
+        symbol_ref: SymbolRef,
         row_index: u32,
         diff_config: DiffConfigBorrow,
-    ) -> Result<Vec<ContextItem>, String> {
+    ) -> Vec<ContextItem> {
         let obj_diff = diff.get::<ResourceObjectDiff>();
         let obj = obj_diff.0.as_ref();
         let obj_diff = &obj_diff.1;
-        let symbol_idx = symbol_display.symbol as usize;
+        let symbol_display = from_symbol_ref(symbol_ref);
         let symbol_diff = if symbol_display.is_mapping_symbol {
             obj_diff
                 .mapping_symbols
                 .iter()
-                .find(|s| s.symbol_index == symbol_idx)
+                .find(|s| s.symbol_index == symbol_display.symbol)
                 .map(|s| &s.symbol_diff)
-                .unwrap()
         } else {
-            &obj_diff.symbols[symbol_idx]
+            obj_diff.symbols.get(symbol_display.symbol)
         };
-        let row = &symbol_diff.instruction_rows[row_index as usize];
-        let Some(ins_ref) = row.ins_ref else {
-            return Ok(Vec::new());
+        let Some(ins_ref) = symbol_diff
+            .and_then(|sd| sd.instruction_rows.get(row_index as usize))
+            .and_then(|row| row.ins_ref)
+        else {
+            return Vec::new();
         };
         let diff_config = diff_config.get::<ResourceDiffConfig>().0.borrow();
-        let Some(resolved) = obj.resolve_instruction_ref(symbol_idx, ins_ref) else {
-            return Err("Failed to resolve instruction".into());
+        let Some(resolved) = obj.resolve_instruction_ref(symbol_display.symbol, ins_ref) else {
+            return vec![ContextItem::Copy(ContextItemCopy {
+                value: "Failed to resolve instruction".to_string(),
+                label: Some("error".to_string()),
+            })];
         };
-        let ins =
-            obj.arch.process_instruction(resolved, &diff_config).map_err(|e| e.to_string())?;
-        Ok(diff::display::instruction_context(obj, resolved, &ins)
+        let ins = match obj.arch.process_instruction(resolved, &diff_config) {
+            Ok(ins) => ins,
+            Err(e) => {
+                return vec![ContextItem::Copy(ContextItemCopy {
+                    value: e.to_string(),
+                    label: Some("error".to_string()),
+                })];
+            }
+        };
+        diff::display::instruction_context(obj, resolved, &ins)
             .into_iter()
             .map(|item| ContextItem::from(item))
-            .collect())
+            .collect()
     }
 
     fn instruction_hover(
         diff: ObjectDiffBorrow,
-        symbol_display: SectionDisplaySymbol,
+        symbol_ref: SymbolRef,
         row_index: u32,
         diff_config: DiffConfigBorrow,
-    ) -> Result<Vec<HoverItem>, String> {
+    ) -> Vec<HoverItem> {
         let obj_diff = diff.get::<ResourceObjectDiff>();
         let obj = obj_diff.0.as_ref();
         let obj_diff = &obj_diff.1;
-        let symbol_idx = symbol_display.symbol as usize;
+        let symbol_display = from_symbol_ref(symbol_ref);
         let symbol_diff = if symbol_display.is_mapping_symbol {
             obj_diff
                 .mapping_symbols
                 .iter()
-                .find(|s| s.symbol_index == symbol_idx)
+                .find(|s| s.symbol_index == symbol_display.symbol)
                 .map(|s| &s.symbol_diff)
-                .unwrap()
         } else {
-            &obj_diff.symbols[symbol_idx]
+            obj_diff.symbols.get(symbol_display.symbol)
         };
-        let row = &symbol_diff.instruction_rows[row_index as usize];
-        let Some(ins_ref) = row.ins_ref else {
-            return Ok(Vec::new());
+        let Some(ins_ref) = symbol_diff
+            .and_then(|sd| sd.instruction_rows.get(row_index as usize))
+            .and_then(|row| row.ins_ref)
+        else {
+            return Vec::new();
         };
         let diff_config = diff_config.get::<ResourceDiffConfig>().0.borrow();
-        let Some(resolved) = obj.resolve_instruction_ref(symbol_idx, ins_ref) else {
-            return Err("Failed to resolve instruction".into());
+        let Some(resolved) = obj.resolve_instruction_ref(symbol_display.symbol, ins_ref) else {
+            return vec![HoverItem::Text(HoverItemText {
+                label: "Error".to_string(),
+                value: "Failed to resolve instruction".to_string(),
+                color: HoverItemColor::Delete,
+            })];
         };
-        let ins =
-            obj.arch.process_instruction(resolved, &diff_config).map_err(|e| e.to_string())?;
-        Ok(diff::display::instruction_hover(obj, resolved, &ins)
+        let ins = match obj.arch.process_instruction(resolved, &diff_config) {
+            Ok(ins) => ins,
+            Err(e) => {
+                return vec![HoverItem::Text(HoverItemText {
+                    label: "Error".to_string(),
+                    value: e.to_string(),
+                    color: HoverItemColor::Delete,
+                })];
+            }
+        };
+        diff::display::instruction_hover(obj, resolved, &ins)
             .into_iter()
             .map(|item| HoverItem::from(item))
-            .collect())
+            .collect()
     }
 }
 
@@ -421,30 +448,102 @@ impl GuestDiffConfig for ResourceDiffConfig {
     }
 }
 
+struct CachedObject(Weak<obj::Object>, u64);
+
+struct ObjectCache(RefCell<Vec<CachedObject>>);
+
+impl ObjectCache {
+    #[inline]
+    const fn new() -> Self { Self(RefCell::new(Vec::new())) }
+}
+
+impl core::ops::Deref for ObjectCache {
+    type Target = RefCell<Vec<CachedObject>>;
+
+    fn deref(&self) -> &Self::Target { &self.0 }
+}
+
+// Assume single-threaded environment
+unsafe impl Sync for ObjectCache {}
+
+static OBJECT_CACHE: ObjectCache = ObjectCache::new();
+
 impl GuestObject for ResourceObject {
     fn parse(data: Vec<u8>, diff_config: DiffConfigBorrow) -> Result<Object, String> {
+        let hash = xxh3_64(&data);
+        let mut cached = None;
+        OBJECT_CACHE.borrow_mut().retain(|c| {
+            if c.0.strong_count() == 0 {
+                return false;
+            }
+            if c.1 == hash {
+                cached = c.0.upgrade();
+            }
+            true
+        });
+        if let Some(obj) = cached {
+            return Ok(Object::new(ResourceObject(obj, hash)));
+        }
         let diff_config = diff_config.get::<ResourceDiffConfig>().0.borrow();
-        obj::read::parse(&data, &diff_config)
-            .map(|o| Object::new(ResourceObject(Rc::new(o))))
-            .map_err(|e| e.to_string())
+        let obj = Rc::new(obj::read::parse(&data, &diff_config).map_err(|e| e.to_string())?);
+        OBJECT_CACHE.borrow_mut().push(CachedObject(Rc::downgrade(&obj), hash));
+        Ok(Object::new(ResourceObject(obj, hash)))
     }
+
+    fn hash(&self) -> u64 { self.1 }
 }
 
 impl GuestObjectDiff for ResourceObjectDiff {
-    fn find_symbol(&self, name: String, section_name: Option<String>) -> Option<SymbolRef> {
+    fn find_symbol(&self, name: String, section_name: Option<String>) -> Option<SymbolInfo> {
         let obj = self.0.as_ref();
-        obj.symbols
-            .iter()
-            .position(|s| {
-                s.name == name
-                    && match section_name.as_deref() {
-                        Some(section_name) => {
-                            s.section.is_some_and(|n| obj.sections[n].name == section_name)
-                        }
-                        None => true,
+        let symbol_idx = obj.symbols.iter().position(|s| {
+            s.name == name
+                && match section_name.as_deref() {
+                    Some(section_name) => {
+                        s.section.is_some_and(|n| obj.sections[n].name == section_name)
                     }
-            })
-            .map(|i| i as SymbolRef)
+                    None => true,
+                }
+        })?;
+        let symbol = obj.symbols.get(symbol_idx)?;
+        Some(SymbolInfo {
+            id: symbol_idx as SymbolRef,
+            name: symbol.name.clone(),
+            demangled_name: symbol.demangled_name.clone(),
+            address: symbol.address,
+            size: symbol.size,
+            kind: SymbolKind::from(symbol.kind),
+            section: symbol.section.map(|s| s as u32),
+            section_name: symbol
+                .section
+                .and_then(|s| obj.sections.get(s).map(|sec| sec.name.clone())),
+            flags: SymbolFlags::from(symbol.flags),
+            align: symbol.align.map(|a| a.get()),
+            virtual_address: symbol.virtual_address,
+        })
+    }
+
+    fn get_symbol(&self, symbol_ref: SymbolRef) -> Option<SymbolInfo> {
+        let obj = self.0.as_ref();
+        let symbol_display = from_symbol_ref(symbol_ref);
+        let Some(symbol) = obj.symbols.get(symbol_display.symbol) else {
+            return None;
+        };
+        Some(SymbolInfo {
+            id: to_symbol_ref(symbol_display),
+            name: symbol.name.clone(),
+            demangled_name: symbol.demangled_name.clone(),
+            address: symbol.address,
+            size: symbol.size,
+            kind: SymbolKind::from(symbol.kind),
+            section: symbol.section.map(|s| s as u32),
+            section_name: symbol
+                .section
+                .and_then(|s| obj.sections.get(s).map(|sec| sec.name.clone())),
+            flags: SymbolFlags::from(symbol.flags),
+            align: symbol.align.map(|a| a.get()),
+            virtual_address: symbol.virtual_address,
+        })
     }
 }
 
@@ -465,6 +564,8 @@ impl From<diff::display::HoverItemColor> for HoverItemColor {
             diff::display::HoverItemColor::Normal => HoverItemColor::Normal,
             diff::display::HoverItemColor::Emphasized => HoverItemColor::Emphasized,
             diff::display::HoverItemColor::Special => HoverItemColor::Special,
+            diff::display::HoverItemColor::Delete => HoverItemColor::Delete,
+            diff::display::HoverItemColor::Insert => HoverItemColor::Insert,
         }
     }
 }
@@ -496,4 +597,76 @@ impl From<diff::display::SymbolNavigationKind> for SymbolNavigationKind {
     }
 }
 
+impl Default for InstructionDiffKind {
+    fn default() -> Self { Self::None }
+}
+
+impl Default for InstructionDiffRow {
+    fn default() -> Self { Self { segments: Default::default(), diff_kind: Default::default() } }
+}
+
+impl Default for SymbolKind {
+    fn default() -> Self { Self::Unknown }
+}
+
+impl Default for SymbolFlags {
+    fn default() -> Self { Self::empty() }
+}
+
+impl Default for SymbolInfo {
+    fn default() -> Self {
+        Self {
+            id: u32::MAX,
+            name: Default::default(),
+            demangled_name: Default::default(),
+            address: Default::default(),
+            size: Default::default(),
+            kind: Default::default(),
+            section: Default::default(),
+            section_name: Default::default(),
+            flags: Default::default(),
+            align: Default::default(),
+            virtual_address: Default::default(),
+        }
+    }
+}
+
+impl Default for SymbolDisplay {
+    fn default() -> Self {
+        Self {
+            info: Default::default(),
+            target_symbol: Default::default(),
+            match_percent: Default::default(),
+            diff_score: Default::default(),
+            row_count: Default::default(),
+        }
+    }
+}
+
+impl From<MappingConfig> for diff::MappingConfig {
+    fn from(config: MappingConfig) -> Self {
+        Self {
+            mappings: config.mappings.into_iter().collect(),
+            selecting_left: config.selecting_left,
+            selecting_right: config.selecting_right,
+        }
+    }
+}
+
+fn from_symbol_ref(symbol_ref: SymbolRef) -> diff::display::SectionDisplaySymbol {
+    diff::display::SectionDisplaySymbol {
+        symbol: (symbol_ref & !(1 << 31)) as usize,
+        is_mapping_symbol: (symbol_ref & (1 << 31)) != 0,
+    }
+}
+
+fn to_symbol_ref(display_symbol: diff::display::SectionDisplaySymbol) -> SymbolRef {
+    if display_symbol.is_mapping_symbol {
+        // Use the highest bit to indicate a mapping symbol
+        display_symbol.symbol as u32 | (1 << 31)
+    } else {
+        display_symbol.symbol as u32
+    }
+}
+
 export!(Component);

objdiff-wasm/src/cabi_realloc.rs

@@ -20,7 +20,7 @@
 //! this is defined as a "weak" symbol. This means that other definitions are
 //! allowed to overwrite it if they are present in a compilation.
 
-use alloc::{alloc, Layout};
+use alloc::{Layout, alloc};
 use core::ptr;
 
 #[used]
@@ -31,24 +31,32 @@ static FORCE_CODEGEN_OF_CABI_REALLOC: unsafe extern "C" fn(
     usize,
 ) -> *mut u8 = cabi_realloc;
 
-#[no_mangle]
+#[unsafe(no_mangle)]
 pub unsafe extern "C" fn cabi_realloc(
     old_ptr: *mut u8,
     old_len: usize,
-    align: usize,
+    mut align: usize,
     new_len: usize,
 ) -> *mut u8 {
+    // HACK: The object crate requires the data alignment for 64-bit objects to be 8,
+    // but in wasm32, our allocator will have a minimum alignment of 4. We can't specify
+    // the alignment of `list<u8>` in the component model, so we work around this here.
+    // https://github.com/WebAssembly/component-model/issues/258
+    #[cfg(target_pointer_width = "32")]
+    if align == 1 {
+        align = 8;
+    }
     let layout;
     let ptr = if old_len == 0 {
         if new_len == 0 {
             return ptr::without_provenance_mut(align);
         }
-        layout = Layout::from_size_align_unchecked(new_len, align);
-        alloc::alloc(layout)
+        layout = unsafe { Layout::from_size_align_unchecked(new_len, align) };
+        unsafe { alloc::alloc(layout) }
     } else {
         debug_assert_ne!(new_len, 0, "non-zero old_len requires non-zero new_len!");
-        layout = Layout::from_size_align_unchecked(old_len, align);
-        alloc::realloc(old_ptr, layout, new_len)
+        layout = unsafe { Layout::from_size_align_unchecked(old_len, align) };
+        unsafe { alloc::realloc(old_ptr, layout, new_len) }
     };
     if ptr.is_null() {
         // Print a nice message in debug mode, but in release mode don't

objdiff-wasm/wit/objdiff.wit

@@ -20,60 +20,12 @@ interface diff {
       data: list<u8>,
       config: borrow<diff-config>,
     ) -> result<object, string>;
+
+    hash: func() -> u64;
   }
 
-  resource object-diff {
-    find-symbol: func(
-      name: string,
-      section-name: option<string>
-    ) -> option<u32>;
-  }
-
-  record diff-result {
-    left: option<object-diff>,
-    right: option<object-diff>,
-  }
-
-  run-diff: func(
-    left: option<borrow<object>>,
-    right: option<borrow<object>>,
-    config: borrow<diff-config>,
-  ) -> result<diff-result, string>;
-}
-
-interface display {
-  use diff.{
-    object,
-    object-diff,
-    diff-config
-  };
-
   type symbol-ref = u32;
 
-  record display-config {
-    show-hidden-symbols: bool,
-    show-mapped-symbols: bool,
-    reverse-fn-order: bool,
-  }
-
-  record symbol-filter {
-    regex: option<string>,
-    mapping: option<symbol-ref>,
-  }
-
-  record section-display-symbol {
-    symbol: symbol-ref,
-    is-mapping-symbol: bool,
-  }
-
-  record section-display {
-    id: string,
-    name: string,
-    size: u64,
-    match-percent: option<f32>,
-    symbols: list<section-display-symbol>,
-  }
-
   enum symbol-kind {
     unknown,
     function,
@@ -92,17 +44,74 @@ interface display {
     ignored,
   }
 
-  record symbol-display {
+  record symbol-info {
+    id: symbol-ref,
     name: string,
     demangled-name: option<string>,
     address: u64,
     size: u64,
     kind: symbol-kind,
     section: option<u32>,
+    section-name: option<string>,
     %flags: symbol-flags,
     align: option<u32>,
     virtual-address: option<u64>,
+  }
 
+  resource object-diff {
+    find-symbol: func(
+      name: string,
+      section-name: option<string>
+    ) -> option<symbol-info>;
+
+    get-symbol: func(
+      id: u32
+    ) -> option<symbol-info>;
+  }
+
+  record diff-result {
+    left: option<object-diff>,
+    right: option<object-diff>,
+  }
+
+  run-diff: func(
+    left: option<borrow<object>>,
+    right: option<borrow<object>>,
+    config: borrow<diff-config>,
+    mapping: mapping-config,
+  ) -> result<diff-result, string>;
+}
+
+interface display {
+  use diff.{
+    object,
+    object-diff,
+    diff-config,
+    symbol-info,
+    symbol-ref
+  };
+
+  record display-config {
+    show-hidden-symbols: bool,
+    show-mapped-symbols: bool,
+    reverse-fn-order: bool,
+  }
+
+  record symbol-filter {
+    regex: option<string>,
+    mapping: option<symbol-ref>,
+  }
+
+  record section-display {
+    id: string,
+    name: string,
+    size: u64,
+    match-percent: option<f32>,
+    symbols: list<symbol-ref>,
+  }
+
+  record symbol-display {
+    info: symbol-info,
     target-symbol: option<symbol-ref>,
     match-percent: option<f32>,
     diff-score: option<tuple<u64, u64>>,
@@ -135,6 +144,8 @@ interface display {
     normal,
     emphasized,
     special,
+    delete,
+    insert,
   }
 
   record hover-item-text {
@@ -228,39 +239,39 @@ interface display {
 
   display-symbol: func(
     diff: borrow<object-diff>,
-    symbol: section-display-symbol,
+    symbol: symbol-ref,
   ) -> symbol-display;
 
   display-instruction-row: func(
     diff: borrow<object-diff>,
-    symbol: section-display-symbol,
+    symbol: symbol-ref,
     row-index: u32,
     config: borrow<diff-config>,
   ) -> instruction-diff-row;
 
   symbol-context: func(
     diff: borrow<object-diff>,
-    symbol: section-display-symbol,
+    symbol: symbol-ref,
   ) -> list<context-item>;
 
   symbol-hover: func(
     diff: borrow<object-diff>,
-    symbol: section-display-symbol,
+    symbol: symbol-ref,
   ) -> list<hover-item>;
 
   instruction-context: func(
     diff: borrow<object-diff>,
-    symbol: section-display-symbol,
+    symbol: symbol-ref,
     row-index: u32,
     config: borrow<diff-config>,
-  ) -> result<list<context-item>, string>;
+  ) -> list<context-item>;
 
   instruction-hover: func(
     diff: borrow<object-diff>,
-    symbol: section-display-symbol,
+    symbol: symbol-ref,
     row-index: u32,
     config: borrow<diff-config>,
-  ) -> result<list<hover-item>, string>;
+  ) -> list<hover-item>;
 }
 
 world api {