Limit left-panel scrollview to the file tree (#185)

* Limit left-panel scrollview to the file tree

Removes the redundant build button

* Expand ScrollArea to full side panel width

* Use auto_shrink(false) instead of set_width

---------

Co-authored-by: Luke Street <luke@street.dev>

.editorconfig

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

.github/workflows/build.yaml

@@ -4,8 +4,8 @@ on:
   pull_request:
   push:
     paths-ignore:
-      - '*.md'
-      - 'LICENSE*'
+      - "*.md"
+      - "LICENSE*"
   workflow_dispatch:
 
 env:
@@ -32,9 +32,9 @@ 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

.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.lock

@@ -3280,7 +3280,7 @@ dependencies = [
 
 [[package]]
 name = "objdiff-cli"
-version = "3.0.0-beta.3"
+version = "3.0.0-beta.5"
 dependencies = [
  "anyhow",
  "argp",
@@ -3303,7 +3303,7 @@ dependencies = [
 
 [[package]]
 name = "objdiff-core"
-version = "3.0.0-beta.3"
+version = "3.0.0-beta.5"
 dependencies = [
  "anyhow",
  "arm-attr",
@@ -3356,7 +3356,7 @@ dependencies = [
 
 [[package]]
 name = "objdiff-gui"
-version = "3.0.0-beta.3"
+version = "3.0.0-beta.5"
 dependencies = [
  "anyhow",
  "cfg-if",
@@ -3392,7 +3392,7 @@ dependencies = [
 
 [[package]]
 name = "objdiff-wasm"
-version = "3.0.0-beta.3"
+version = "3.0.0-beta.5"
 dependencies = [
  "log",
  "objdiff-core",
@@ -3400,6 +3400,7 @@ dependencies = [
  "talc",
  "wit-bindgen",
  "wit-deps",
+ "xxhash-rust",
 ]
 
 [[package]]
@@ -6547,6 +6548,12 @@ version = "0.8.25"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "c5b940ebc25896e71dd073bad2dbaa2abfe97b0a391415e22ad1326d9c54e3c4"
 
+[[package]]
+name = "xxhash-rust"
+version = "0.8.15"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "fdd20c5420375476fbd4394763288da7eb0cc0b8c11deed431a91562af7335d3"
+
 [[package]]
 name = "yaxpeax-arch"
 version = "0.3.2"

Cargo.toml

@@ -14,7 +14,7 @@ strip = "debuginfo"
 codegen-units = 1
 
 [workspace.package]
-version = "3.0.0-beta.3"
+version = "3.0.0-beta.5"
 authors = ["Luke Street <luke@street.dev>"]
 edition = "2024"
 license = "MIT OR Apache-2.0"

README.md

@@ -173,6 +173,21 @@ $ 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

objdiff-cli/src/cmd/report.rs

@@ -202,6 +202,9 @@ 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

objdiff-core/Cargo.toml

@@ -81,6 +81,8 @@ std = [
 ]
 mips = [
     "any-arch",
+    "dep:cpp_demangle",
+    "dep:cwdemangle",
     "dep:rabbitizer",
 ]
 ppc = [

objdiff-core/src/arch/arm.rs

@@ -14,7 +14,7 @@ use crate::{
     arch::Arch,
     diff::{ArmArchVersion, ArmR9Usage, DiffObjConfig, display::InstructionPart},
     obj::{
-        InstructionRef, RelocationFlags, ResolvedInstructionRef, ResolvedRelocation,
+        InstructionRef, Relocation, RelocationFlags, ResolvedInstructionRef, ResolvedRelocation,
         ScannedInstruction, SymbolFlag, SymbolFlagSet, SymbolKind,
     },
 };
@@ -84,18 +84,11 @@ impl ArchArm {
                     .filter_map(|s| DisasmMode::from_symbol(&s))
                     .collect();
                 mapping_symbols.sort_unstable_by_key(|x| x.address);
-                (s.index().0, mapping_symbols)
+                (s.index().0 - 1, 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 +123,31 @@ 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) => {
@@ -153,11 +171,7 @@ 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)
-            }
         };
         Ok((ins, parsed_ins))
     }
@@ -169,6 +183,7 @@ impl Arch for ArchArm {
         address: u64,
         code: &[u8],
         section_index: usize,
+        _relocations: &[Relocation],
         diff_config: &DiffObjConfig,
     ) -> Result<Vec<ScannedInstruction>> {
         let start_addr = address as u32;
@@ -184,61 +199,128 @@ 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 ins_count = code.len() / mode.instruction_size(start_addr);
         let mut ops = Vec::<ScannedInstruction>::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 {
+        let mut address = start_addr;
+        while address < end_addr {
+            while let Some(next) = next_mapping.take_if(|x| address >= x.address) {
                 // Change mapping
-                    parser.mode = next.mapping;
+                mode = next.mapping;
                 next_mapping = mappings_iter.next();
             }
+
+            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(ScannedInstruction {
+                    ins_ref: InstructionRef {
+                        address: address as u64,
+                        size: data.len() as u8,
+                        opcode: u16::MAX,
+                    },
+                    branch_dest: None,
+                });
+                break;
             }
-            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 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(ScannedInstruction {
+                        ins_ref: 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 },
+                ins_ref: 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)
@@ -391,7 +473,7 @@ 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 +545,19 @@ 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) => {

objdiff-core/src/arch/arm64.rs

@@ -17,7 +17,7 @@ use crate::{
     arch::Arch,
     diff::{DiffObjConfig, display::InstructionPart},
     obj::{
-        InstructionRef, RelocationFlags, ResolvedInstructionRef, ResolvedRelocation,
+        InstructionRef, Relocation, RelocationFlags, ResolvedInstructionRef, ResolvedRelocation,
         ScannedInstruction,
     },
 };
@@ -35,6 +35,7 @@ impl Arch for ArchArm64 {
         address: u64,
         code: &[u8],
         _section_index: usize,
+        _relocations: &[Relocation],
         _diff_config: &DiffObjConfig,
     ) -> Result<Vec<ScannedInstruction>> {
         let start_address = address;

objdiff-core/src/arch/mips.rs

@@ -1,6 +1,6 @@
 use alloc::{
     collections::{BTreeMap, BTreeSet},
-    string::ToString,
+    string::{String, ToString},
     vec::Vec,
 };
 use core::ops::Range;
@@ -194,6 +194,7 @@ impl Arch for ArchMips {
         address: u64,
         code: &[u8],
         _section_index: usize,
+        _relocations: &[Relocation],
         diff_config: &DiffObjConfig,
     ) -> Result<Vec<ScannedInstruction>> {
         let instruction_flags = self.instruction_flags(diff_config);
@@ -286,6 +287,13 @@ 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 {

objdiff-core/src/arch/mod.rs

@@ -170,6 +170,7 @@ pub trait Arch: Send + Sync + Debug {
         address: u64,
         code: &[u8],
         section_index: usize,
+        relocations: &[Relocation],
         diff_config: &DiffObjConfig,
     ) -> Result<Vec<ScannedInstruction>>;
 
@@ -301,6 +302,7 @@ impl Arch for ArchDummy {
         _address: u64,
         _code: &[u8],
         _section_index: usize,
+        _relocations: &[Relocation],
         _diff_config: &DiffObjConfig,
     ) -> Result<Vec<ScannedInstruction>> {
         Ok(Vec::new())

objdiff-core/src/arch/ppc.rs

@@ -87,6 +87,7 @@ impl Arch for ArchPpc {
         address: u64,
         code: &[u8],
         _section_index: usize,
+        _relocations: &[Relocation],
         _diff_config: &DiffObjConfig,
     ) -> Result<Vec<ScannedInstruction>> {
         ensure!(code.len() & 3 == 0, "Code length must be a multiple of 4");
@@ -512,6 +513,7 @@ 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 +646,7 @@ 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/x86.rs

@@ -1,6 +1,7 @@
-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,
@@ -10,7 +11,9 @@ use object::{Endian as _, Object as _, ObjectSection as _, pe};
 use crate::{
     arch::Arch,
     diff::{DiffObjConfig, X86Formatter, display::InstructionPart},
-    obj::{InstructionRef, RelocationFlags, ResolvedInstructionRef, ScannedInstruction},
+    obj::{
+        InstructionRef, Relocation, RelocationFlags, ResolvedInstructionRef, ScannedInstruction,
+    },
 };
 
 #[derive(Debug)]
@@ -80,18 +83,50 @@ impl ArchX86 {
     }
 }
 
+const DATA_OPCODE: u16 = u16::MAX - 1;
+
 impl Arch for ArchX86 {
     fn scan_instructions(
         &self,
         address: u64,
         code: &[u8],
         _section_index: usize,
+        relocations: &[Relocation],
         _diff_config: &DiffObjConfig,
     ) -> Result<Vec<ScannedInstruction>> {
         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(ScannedInstruction {
+                                ins_ref: 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),
@@ -101,7 +136,7 @@ impl Arch for ArchX86 {
             };
             out.push(ScannedInstruction {
                 ins_ref: InstructionRef {
-                    address: instruction.ip(),
+                    address,
                     size: instruction.len() as u8,
                     opcode: instruction.mnemonic() as u16,
                 },
@@ -117,6 +152,21 @@ 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();
@@ -329,6 +379,7 @@ 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,
                 }
@@ -406,7 +457,7 @@ 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(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);
@@ -611,4 +662,74 @@ 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 },
+                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 },
+                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/diff/code.rs

@@ -32,7 +32,13 @@ 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(
+        symbol.address,
+        data,
+        section_index,
+        &section.relocations,
+        diff_config,
+    )?;
     let mut instruction_rows = Vec::<InstructionDiffRow>::new();
     for i in &ops {
         instruction_rows
@@ -89,12 +95,14 @@ pub fn diff_code(
         left_symbol.address,
         left_data,
         left_section_idx,
+        &left_section.relocations,
         diff_config,
     )?;
     let right_ops = right_obj.arch.scan_instructions(
         right_symbol.address,
         right_data,
         right_section_idx,
+        &right_section.relocations,
         diff_config,
     )?;
     let (mut left_rows, mut right_rows) = diff_instructions(&left_ops, &right_ops)?;

objdiff-core/src/diff/display.rs

@@ -325,10 +325,14 @@ pub enum SymbolNavigationKind {
     Extab,
 }
 
+#[derive(Debug, Clone, Default, Eq, PartialEq)]
 pub enum HoverItemColor {
+    #[default]
     Normal, // Gray
     Emphasized, // White
     Special,    // Blue
+    Delete,     // Red
+    Insert,     // Green
 }
 
 pub enum HoverItem {
@@ -355,7 +359,12 @@ 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 +375,51 @@ 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 {
@@ -443,22 +452,31 @@ pub fn relocation_context(
     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
 }
 
@@ -545,7 +563,7 @@ pub fn instruction_hover(
     }
     if let Some(reloc) = resolved.relocation {
         out.push(HoverItem::Separator);
-        out.append(&mut relocation_hover(obj, reloc));
+        out.append(&mut relocation_hover(obj, reloc, None));
         if let Some(ty) = obj.arch.guess_data_type(resolved) {
             let literals = display_ins_data_literals(obj, resolved);
             if !literals.is_empty() {

objdiff-core/tests/arch_arm.rs

@@ -15,3 +15,20 @@ 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 { mips_register_prefix: true, ..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);
+}

objdiff-core/tests/arch_x86.rs

@@ -55,3 +55,16 @@ 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);
+}

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

@@ -1660,7 +1660,7 @@ expression: diff.instruction_rows
             InstructionRef {
                 address: 460,
                 size: 4,
-                opcode: 32771,
+                opcode: 65535,
             },
         ),
         kind: None,
@@ -1673,7 +1673,7 @@ expression: diff.instruction_rows
             InstructionRef {
                 address: 464,
                 size: 4,
-                opcode: 32771,
+                opcode: 65535,
             },
         ),
         kind: None,
@@ -1693,7 +1693,7 @@ expression: diff.instruction_rows
             InstructionRef {
                 address: 468,
                 size: 4,
-                opcode: 32771,
+                opcode: 65535,
             },
         ),
         kind: None,

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

@@ -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,

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

@@ -0,0 +1,110 @@
+---
+source: objdiff-core/tests/arch_arm.rs
+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), (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)]
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+[(Line(77), Dim, 5), (Address(190), Normal, 5), (Spacing(4), Normal, 0), (Opcode("ldr", 34), Normal, 10), (Argument(Opaque("r3")), Normal, 0), (Basic(", "), Normal, 0), (Basic("["), Normal, 0), (Argument(Opaque("pc")), Normal, 0), (Basic(", "), Normal, 0), (Basic("#"), Normal, 0), (Argument(Signed(44)), Normal, 0), (Basic("]"), Normal, 0), (Eol, Normal, 0)]
+[(Line(77), Dim, 5), (Address(192), Normal, 5), (Spacing(4), Normal, 0), (Opcode("mov", 46), Normal, 10), (Argument(Opaque("r1")), Normal, 0), (Basic(", "), Normal, 0), (Basic("#"), Normal, 0), (Argument(Unsigned(90)), Normal, 0), (Eol, Normal, 0)]
+[(Line(77), Dim, 5), (Address(194), Normal, 5), (Spacing(4), Normal, 0), (Opcode("mov", 46), Normal, 10), (Argument(Opaque("r2")), Normal, 0), (Basic(", "), Normal, 0), (Basic("#"), Normal, 0), (Argument(Unsigned(71)), Normal, 0), (Eol, Normal, 0)]
+[(Line(77), Dim, 5), (Address(196), Normal, 5), (Spacing(4), Normal, 0), (Opcode("bl", 19), Normal, 10), (Symbol(Symbol { name: "SCQUE_PUT_MsgImpl", 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(81), Dim, 5), (Address(200), Normal, 5), (Basic(" ~> "), Rotating(4), 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(20)), Normal, 0), (Basic("]"), Normal, 0), (Eol, Normal, 0)]
+[(Line(81), Dim, 5), (Address(202), Normal, 5), (Spacing(4), Normal, 0), (Opcode("ldr", 35), Normal, 10), (Argument(Opaque("r1")), Normal, 0), (Basic(", "), Normal, 0), (Basic("["), Normal, 0), (Argument(Opaque("sp")), Normal, 0), (Basic(", "), Normal, 0), (Basic("#"), Normal, 0), (Argument(Signed(8)), Normal, 0), (Basic("]"), Normal, 0), (Eol, Normal, 0)]
+[(Line(81), Dim, 5), (Address(204), Normal, 5), (Spacing(4), Normal, 0), (Opcode("ldr", 34), Normal, 10), (Argument(Opaque("r2")), Normal, 0), (Basic(", "), Normal, 0), (Basic("["), Normal, 0), (Argument(Opaque("pc")), Normal, 0), (Basic(", "), Normal, 0), (Basic("#"), Normal, 0), (Argument(Signed(32)), Normal, 0), (Basic("]"), Normal, 0), (Eol, Normal, 0)]
+[(Line(81), Dim, 5), (Address(206), Normal, 5), (Spacing(4), Normal, 0), (Opcode("add", 4), Normal, 10), (Argument(Opaque("r0")), Normal, 0), (Basic(", "), Normal, 0), (Argument(Opaque("r5")), Normal, 0), (Basic(", "), Normal, 0), (Argument(Opaque("r0")), Normal, 0), (Eol, Normal, 0)]
+[(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_x86__read_x86_jumptable-2.snap

@@ -0,0 +1,569 @@
+---
+source: objdiff-core/tests/arch_x86.rs
+expression: diff.instruction_rows
+---
+[
+    InstructionDiffRow {
+        ins_ref: Some(
+            InstructionRef {
+                address: 0,
+                size: 4,
+                opcode: 414,
+            },
+        ),
+        kind: None,
+        branch_from: None,
+        branch_to: None,
+        arg_diff: [],
+    },
+    InstructionDiffRow {
+        ins_ref: Some(
+            InstructionRef {
+                address: 4,
+                size: 1,
+                opcode: 137,
+            },
+        ),
+        kind: None,
+        branch_from: None,
+        branch_to: None,
+        arg_diff: [],
+    },
+    InstructionDiffRow {
+        ins_ref: Some(
+            InstructionRef {
+                address: 5,
+                size: 3,
+                opcode: 93,
+            },
+        ),
+        kind: None,
+        branch_from: None,
+        branch_to: None,
+        arg_diff: [],
+    },
+    InstructionDiffRow {
+        ins_ref: Some(
+            InstructionRef {
+                address: 8,
+                size: 2,
+                opcode: 297,
+            },
+        ),
+        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,
+            },
+        ),
+        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,
+            },
+        ),
+        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,
+            },
+        ),
+        kind: None,
+        branch_from: None,
+        branch_to: None,
+        arg_diff: [],
+    },
+    InstructionDiffRow {
+        ins_ref: Some(
+            InstructionRef {
+                address: 23,
+                size: 5,
+                opcode: 414,
+            },
+        ),
+        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,
+            },
+        ),
+        kind: None,
+        branch_from: None,
+        branch_to: None,
+        arg_diff: [],
+    },
+    InstructionDiffRow {
+        ins_ref: Some(
+            InstructionRef {
+                address: 29,
+                size: 5,
+                opcode: 414,
+            },
+        ),
+        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,
+            },
+        ),
+        kind: None,
+        branch_from: None,
+        branch_to: None,
+        arg_diff: [],
+    },
+    InstructionDiffRow {
+        ins_ref: Some(
+            InstructionRef {
+                address: 35,
+                size: 5,
+                opcode: 414,
+            },
+        ),
+        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,
+            },
+        ),
+        kind: None,
+        branch_from: None,
+        branch_to: None,
+        arg_diff: [],
+    },
+    InstructionDiffRow {
+        ins_ref: Some(
+            InstructionRef {
+                address: 41,
+                size: 5,
+                opcode: 414,
+            },
+        ),
+        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,
+            },
+        ),
+        kind: None,
+        branch_from: None,
+        branch_to: None,
+        arg_diff: [],
+    },
+    InstructionDiffRow {
+        ins_ref: Some(
+            InstructionRef {
+                address: 47,
+                size: 5,
+                opcode: 414,
+            },
+        ),
+        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,
+            },
+        ),
+        kind: None,
+        branch_from: None,
+        branch_to: None,
+        arg_diff: [],
+    },
+    InstructionDiffRow {
+        ins_ref: Some(
+            InstructionRef {
+                address: 53,
+                size: 5,
+                opcode: 414,
+            },
+        ),
+        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,
+            },
+        ),
+        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,
+            },
+        ),
+        kind: None,
+        branch_from: None,
+        branch_to: None,
+        arg_diff: [],
+    },
+    InstructionDiffRow {
+        ins_ref: Some(
+            InstructionRef {
+                address: 60,
+                size: 4,
+                opcode: 65534,
+            },
+        ),
+        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,
+            },
+        ),
+        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,
+            },
+        ),
+        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,
+            },
+        ),
+        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,
+            },
+        ),
+        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,
+            },
+        ),
+        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,
+            },
+        ),
+        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,
+            },
+        ),
+        kind: None,
+        branch_from: None,
+        branch_to: None,
+        arg_diff: [],
+    },
+    InstructionDiffRow {
+        ins_ref: Some(
+            InstructionRef {
+                address: 89,
+                size: 1,
+                opcode: 465,
+            },
+        ),
+        kind: None,
+        branch_from: None,
+        branch_to: None,
+        arg_diff: [],
+    },
+    InstructionDiffRow {
+        ins_ref: Some(
+            InstructionRef {
+                address: 90,
+                size: 1,
+                opcode: 465,
+            },
+        ),
+        kind: None,
+        branch_from: None,
+        branch_to: None,
+        arg_diff: [],
+    },
+    InstructionDiffRow {
+        ins_ref: Some(
+            InstructionRef {
+                address: 91,
+                size: 1,
+                opcode: 465,
+            },
+        ),
+        kind: None,
+        branch_from: None,
+        branch_to: None,
+        arg_diff: [],
+    },
+    InstructionDiffRow {
+        ins_ref: Some(
+            InstructionRef {
+                address: 92,
+                size: 1,
+                opcode: 465,
+            },
+        ),
+        kind: None,
+        branch_from: None,
+        branch_to: None,
+        arg_diff: [],
+    },
+    InstructionDiffRow {
+        ins_ref: Some(
+            InstructionRef {
+                address: 93,
+                size: 1,
+                opcode: 465,
+            },
+        ),
+        kind: None,
+        branch_from: None,
+        branch_to: None,
+        arg_diff: [],
+    },
+    InstructionDiffRow {
+        ins_ref: Some(
+            InstructionRef {
+                address: 94,
+                size: 1,
+                opcode: 465,
+            },
+        ),
+        kind: None,
+        branch_from: None,
+        branch_to: None,
+        arg_diff: [],
+    },
+    InstructionDiffRow {
+        ins_ref: Some(
+            InstructionRef {
+                address: 95,
+                size: 1,
+                opcode: 465,
+            },
+        ),
+        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), (Symbol(Symbol { name: "$L282", demangled_name: None, address: 60, size: 0, kind: Unknown, section: Some(1), flags: FlagSet(Local), align: None, virtual_address: None }), Bright, 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), (Symbol(Symbol { name: "$L272", demangled_name: None, address: 17, size: 0, kind: Unknown, section: Some(1), flags: FlagSet(Local), align: None, virtual_address: None }), Bright, 0), (Basic(" ~>"), Rotating(2), 0), (Eol, Normal, 0)]
+[(Address(64), Normal, 5), (Spacing(4), Normal, 0), (Opcode(".dword", 65534), Normal, 10), (Symbol(Symbol { name: "$L273", demangled_name: None, address: 23, size: 0, kind: Unknown, section: Some(1), flags: FlagSet(Local), align: None, virtual_address: None }), Bright, 0), (Basic(" ~>"), Rotating(3), 0), (Eol, Normal, 0)]
+[(Address(68), Normal, 5), (Spacing(4), Normal, 0), (Opcode(".dword", 65534), Normal, 10), (Symbol(Symbol { name: "$L274", demangled_name: None, address: 29, size: 0, kind: Unknown, section: Some(1), flags: FlagSet(Local), align: None, virtual_address: None }), Bright, 0), (Basic(" ~>"), Rotating(4), 0), (Eol, Normal, 0)]
+[(Address(72), Normal, 5), (Spacing(4), Normal, 0), (Opcode(".dword", 65534), Normal, 10), (Symbol(Symbol { name: "$L275", demangled_name: None, address: 35, size: 0, kind: Unknown, section: Some(1), flags: FlagSet(Local), align: None, virtual_address: None }), Bright, 0), (Basic(" ~>"), Rotating(5), 0), (Eol, Normal, 0)]
+[(Address(76), Normal, 5), (Spacing(4), Normal, 0), (Opcode(".dword", 65534), Normal, 10), (Symbol(Symbol { name: "$L276", demangled_name: None, address: 41, size: 0, kind: Unknown, section: Some(1), flags: FlagSet(Local), align: None, virtual_address: None }), Bright, 0), (Basic(" ~>"), Rotating(6), 0), (Eol, Normal, 0)]
+[(Address(80), Normal, 5), (Spacing(4), Normal, 0), (Opcode(".dword", 65534), Normal, 10), (Symbol(Symbol { name: "$L277", demangled_name: None, address: 47, size: 0, kind: Unknown, section: Some(1), flags: FlagSet(Local), align: None, virtual_address: None }), Bright, 0), (Basic(" ~>"), Rotating(7), 0), (Eol, Normal, 0)]
+[(Address(84), Normal, 5), (Spacing(4), Normal, 0), (Opcode(".dword", 65534), Normal, 10), (Symbol(Symbol { name: "$L278", demangled_name: None, address: 53, size: 0, kind: Unknown, section: Some(1), flags: FlagSet(Local), align: None, virtual_address: None }), Bright, 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 +1,305 @@
+---
+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(),
+            relocations: [],
+            line_info: {},
+            virtual_address: None,
+        },
+        Section {
+            id: ".text-0",
+            name: ".text",
+            address: 0,
+            size: 96,
+            kind: Code,
+            data: SectionData(
+                96,
+            ),
+            flags: FlagSet(),
+            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(),
+            relocations: [],
+            line_info: {},
+            virtual_address: None,
+        },
+    ],
+    split_meta: None,
+    path: None,
+    timestamp: None,
+}

objdiff-gui/src/app.rs

@@ -775,10 +775,8 @@ 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);
             });
-            });
         }
 
         let mut action = None;

objdiff-gui/src/views/config.rs

@@ -297,6 +297,7 @@ pub fn config_ui(
             node_open = NodeOpen::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(),
@@ -316,9 +317,17 @@ pub fn config_ui(
                         config_state.show_hidden,
                     )
                 }) {
-                display_node(ui, &mut new_selected_index, objects, &node, appearance, node_open);
+                    display_node(
+                        ui,
+                        &mut new_selected_index,
+                        objects,
+                        &node,
+                        appearance,
+                        node_open,
+                    );
                 }
             });
+        });
     }
     if new_selected_index != selected_index {
         if let Some(idx) = new_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>,

objdiff-gui/src/views/diff.rs

@@ -795,6 +795,8 @@ 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

@@ -25,6 +25,7 @@ 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"

objdiff-wasm/package-lock.json

@@ -1,12 +1,12 @@
 {
   "name": "objdiff-wasm",
-  "version": "3.0.0-beta.3",
+  "version": "3.0.0-beta.5",
   "lockfileVersion": 3,
   "requires": true,
   "packages": {
     "": {
       "name": "objdiff-wasm",
-      "version": "3.0.0-beta.3",
+      "version": "3.0.0-beta.5",
       "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.5",
   "description": "A local diffing tool for decompilation projects.",
   "author": {
     "name": "Luke Street",

objdiff-wasm/src/api.rs

@@ -1,6 +1,6 @@
 use alloc::{
     format,
-    rc::Rc,
+    rc::{Rc, Weak},
     str::FromStr,
     string::{String, ToString},
     vec::Vec,
@@ -9,6 +9,7 @@ use core::cell::RefCell;
 
 use objdiff_core::{diff, obj};
 use regex::{Regex, RegexBuilder};
+use xxhash_rust::xxh3::xxh3_64;
 
 use super::logging;
 
@@ -41,8 +42,7 @@ 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);
 
@@ -230,7 +230,9 @@ impl GuestDisplay for Component {
     ) -> 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 */)
+        // TODO: colorize replaced/deleted/inserted relocations
+        let override_color = None;
+        diff::display::symbol_hover(obj, symbol_display.symbol as usize, 0, override_color)
             .into_iter()
             .map(|item| HoverItem::from(item))
             .collect()
@@ -421,13 +423,49 @@ 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 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 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();
+        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 {
@@ -465,6 +503,8 @@ 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,
         }
     }
 }

objdiff-wasm/wit/objdiff.wit

@@ -20,6 +20,8 @@ interface diff {
       data: list<u8>,
       config: borrow<diff-config>,
     ) -> result<object, string>;
+
+    hash: func() -> u64;
   }
 
   resource object-diff {
@@ -135,6 +137,8 @@ interface display {
     normal,
     emphasized,
     special,
+    delete,
+    insert,
   }
 
   record hover-item-text {