Update rabbitizer to v2.0.0-alpha.4 (#226)

* Update rabbitizer to v2.0.0-alpha.4

* Cargo update

.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"]

Cargo.toml

@@ -14,7 +14,7 @@ strip = "debuginfo"
 codegen-units = 1
 
 [workspace.package]
-version = "3.0.0-beta.7"
+version = "3.0.0-beta.11"
 authors = ["Luke Street <luke@street.dev>"]
 edition = "2024"
 license = "MIT OR Apache-2.0"

README.md

@@ -19,9 +19,9 @@ Supports:
 - ARM (GBA, DS, 3DS)
 - ARM64 (Switch)
 - MIPS (N64, PS1, PS2, PSP)
-- PowerPC (GameCube, Wii)
+- PowerPC (GameCube, Wii, PS3, Xbox 360)
 - SuperH (Saturn, Dreamcast)
-- x86 (COFF only)
+- x86, x86_64 (PC)
 
 See [Usage](#usage) for more information.
 

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": [

objdiff-cli/src/cmd/diff.rs

@@ -203,14 +203,10 @@ fn run_oneshot(
     let output_format = OutputFormat::from_option(args.format.as_deref())?;
     let (diff_config, mapping_config) = build_config_from_args(args)?;
     let target = target_path
-        .map(|p| {
-            obj::read::read(p.as_ref(), &diff_config).with_context(|| format!("Loading {}", p))
-        })
+        .map(|p| obj::read::read(p.as_ref(), &diff_config).with_context(|| format!("Loading {p}")))
         .transpose()?;
     let base = base_path
-        .map(|p| {
-            obj::read::read(p.as_ref(), &diff_config).with_context(|| format!("Loading {}", p))
-        })
+        .map(|p| obj::read::read(p.as_ref(), &diff_config).with_context(|| format!("Loading {p}")))
         .transpose()?;
     let result =
         diff::diff_objs(target.as_ref(), base.as_ref(), None, &diff_config, &mapping_config)?;
@@ -399,7 +395,7 @@ fn run_interactive(
         stdout(),
         EnterAlternateScreen,
         EnableMouseCapture,
-        SetTitle(format!("{} - objdiff", symbol_name)),
+        SetTitle(format!("{symbol_name} - objdiff")),
     )?;
     let backend = CrosstermBackend::new(stdout());
     let mut terminal = Terminal::new(backend)?;

objdiff-cli/src/cmd/report.rs

@@ -177,16 +177,14 @@ fn report_object(
         .target_path
         .as_ref()
         .map(|p| {
-            obj::read::read(p.as_ref(), diff_config)
-                .with_context(|| format!("Failed to open {}", p))
+            obj::read::read(p.as_ref(), diff_config).with_context(|| format!("Failed to open {p}"))
         })
         .transpose()?;
     let base = object
         .base_path
         .as_ref()
         .map(|p| {
-            obj::read::read(p.as_ref(), diff_config)
-                .with_context(|| format!("Failed to open {}", p))
+            obj::read::read(p.as_ref(), diff_config).with_context(|| format!("Failed to open {p}"))
         })
         .transpose()?;
     let result =
@@ -245,12 +243,14 @@ fn report_object(
         for (symbol, symbol_diff) in obj.symbols.iter().zip(&obj_diff.symbols) {
             if symbol.section != Some(section_idx)
                 || symbol.size == 0
-                || symbol.flags.contains(SymbolFlag::Hidden | SymbolFlag::Ignored)
+                || symbol.flags.contains(SymbolFlag::Hidden)
+                || symbol.flags.contains(SymbolFlag::Ignored)
             {
                 continue;
             }
             if let Some(existing_functions) = &mut existing_functions {
-                if symbol.flags.contains(SymbolFlag::Global | SymbolFlag::Weak)
+                if (symbol.flags.contains(SymbolFlag::Global)
+                    || symbol.flags.contains(SymbolFlag::Weak))
                     && !existing_functions.insert(symbol.name.clone())
                 {
                     continue;
@@ -431,8 +431,8 @@ fn read_report(path: &Utf8PlatformPath) -> Result<Report> {
         std::io::stdin().read_to_end(&mut data)?;
         return Report::parse(&data).with_context(|| "Failed to load report from stdin");
     }
-    let file = File::open(path).with_context(|| format!("Failed to open {}", path))?;
+    let file = File::open(path).with_context(|| format!("Failed to open {path}"))?;
     let mmap =
-        unsafe { memmap2::Mmap::map(&file) }.with_context(|| format!("Failed to map {}", path))?;
-    Report::parse(mmap.as_ref()).with_context(|| format!("Failed to load report {}", path))
+        unsafe { memmap2::Mmap::map(&file) }.with_context(|| format!("Failed to map {path}"))?;
+    Report::parse(mmap.as_ref()).with_context(|| format!("Failed to load report {path}"))
 }

objdiff-cli/src/views/function_diff.rs

@@ -87,7 +87,7 @@ impl UiView for FunctionDiffUi {
             .and_then(|(_, _, d)| d.match_percent)
         {
             line_r.spans.push(Span::styled(
-                format!("{:.2}% ", percent),
+                format!("{percent:.2}% "),
                 Style::new().fg(match_percent_color(percent)),
             ));
         }
@@ -97,7 +97,7 @@ impl UiView for FunctionDiffUi {
             .and_then(|t| t.format(&state.time_format).ok())
             .unwrap_or_else(|| "N/A".to_string());
         line_r.spans.push(Span::styled(
-            format!("Last reload: {}", reload_time),
+            format!("Last reload: {reload_time}"),
             Style::new().fg(Color::White),
         ));
         line_r.spans.push(Span::styled(
@@ -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),
@@ -538,7 +538,7 @@ impl FunctionDiffUi {
                 let label_text = match segment.text {
                     DiffText::Basic(text) => text.to_string(),
                     DiffText::Line(num) => format!("{num} "),
-                    DiffText::Address(addr) => format!("{:x}:", addr),
+                    DiffText::Address(addr) => format!("{addr:x}:"),
                     DiffText::Opcode(mnemonic, _op) => format!("{mnemonic} "),
                     DiffText::Argument(arg) => arg.to_string(),
                     DiffText::BranchDest(addr) => format!("{addr:x}"),
@@ -546,7 +546,7 @@ impl FunctionDiffUi {
                         sym.demangled_name.as_ref().unwrap_or(&sym.name).clone()
                     }
                     DiffText::Addend(addend) => match addend.cmp(&0i64) {
-                        Ordering::Greater => format!("+{:#x}", addend),
+                        Ordering::Greater => format!("+{addend:#x}"),
                         Ordering::Less => format!("-{:#x}", -addend),
                         _ => String::new(),
                     },
@@ -570,6 +570,7 @@ impl FunctionDiffUi {
                     DiffTextColor::Normal => Color::Gray,
                     DiffTextColor::Dim => Color::DarkGray,
                     DiffTextColor::Bright => Color::White,
+                    DiffTextColor::DataFlow => Color::LightCyan,
                     DiffTextColor::Replace => Color::Cyan,
                     DiffTextColor::Delete => Color::Red,
                     DiffTextColor::Insert => Color::Green,
@@ -650,12 +651,3 @@ 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

@@ -41,6 +41,7 @@ any-arch = [
     "dep:regex",
     "dep:similar",
     "dep:syn",
+    "dep:encoding_rs"
 ]
 bindings = [
     "dep:prost",
@@ -91,7 +92,7 @@ ppc = [
     "any-arch",
     "dep:cwdemangle",
     "dep:cwextab",
-    "dep:ppc750cl",
+    "dep:powerpc",
     "dep:rlwinmdec",
 ]
 x86 = [
@@ -127,7 +128,7 @@ 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 = { git = "https://github.com/gimli-rs/object", rev = "a74579249e21ab8fcd3a86be588de336f18297cb", default-features = false, features = ["read_core", "elf", "pe"] }
+object = { git = "https://github.com/gimli-rs/object", rev = "16ff70aa6fbd97d6bb7b92375929f4d72414c32b", default-features = false, features = ["read_core", "elf", "coff"] }
 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 }
@@ -146,7 +147,7 @@ gimli = { version = "0.31", default-features = false, features = ["read"], optio
 # ppc
 cwdemangle = { version = "1.0", optional = true }
 cwextab = { version = "1.0", optional = true }
-ppc750cl = { version = "0.3", optional = true }
+powerpc = { version = "0.4", optional = true }
 rlwinmdec = { version = "1.1", optional = true }
 
 # mips
@@ -171,10 +172,10 @@ notify-debouncer-full = { version = "0.5.0", optional = true }
 shell-escape = { version = "0.1", optional = true }
 tempfile = { version = "3.19", optional = true }
 time = { version = "0.3", optional = true }
-encoding_rs = "0.8.35"
+encoding_rs = { version = "0.8.35", optional = true }
 
 [target.'cfg(windows)'.dependencies]
-winapi = { version = "0.3", optional = true }
+winapi = { version = "0.3", optional = true, features = ["winbase"] }
 
 # For Linux static binaries, use rustls
 [target.'cfg(target_os = "linux")'.dependencies]

objdiff-core/README.md

@@ -11,6 +11,6 @@ objdiff-core contains the core functionality of [objdiff](https://github.com/enc
 - **`arm64`**: Enables the ARM64 backend powered by [yaxpeax-arm](https://github.com/iximeow/yaxpeax-arm).
 - **`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).
+- **`ppc`**: Enables the PowerPC backend powered by [powerpc](https://github.com/encounter/powerpc-rs).
 - **`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

@@ -25,6 +25,20 @@
         }
       ]
     },
+    {
+      "id": "analyzeDataFlow",
+      "type": "boolean",
+      "default": false,
+      "name": "(Experimental) Perform data flow analysis",
+      "description": "Use data flow analysis to display known information about register contents where possible"
+    },
+    {
+      "id": "showDataFlow",
+      "type": "boolean",
+      "default": true,
+      "name": "Show data flow",
+      "description": "Show data flow analysis results in place of register name where present"
+    },
     {
       "id": "spaceBetweenArgs",
       "type": "boolean",
@@ -264,7 +278,8 @@
       "id": "ppc",
       "name": "PowerPC",
       "properties": [
-        "ppc.calculatePoolRelocations"
+        "ppc.calculatePoolRelocations",
+        "analyzeDataFlow"
       ]
     },
     {

objdiff-core/config_gen.rs

@@ -60,10 +60,10 @@ pub struct ConfigGroup {
 }
 
 fn build_doc(name: &str, description: Option<&str>) -> TokenStream {
-    let mut doc = format!(" {}", name);
+    let mut doc = format!(" {name}");
     let mut out = quote! { #[doc = #doc] };
     if let Some(description) = description {
-        doc = format!(" {}", description);
+        doc = format!(" {description}");
         out.extend(quote! { #[doc = ""] });
         out.extend(quote! { #[doc = #doc] });
     }
@@ -443,9 +443,9 @@ pub fn generate_diff_config() {
         }
         impl core::fmt::Display for ConfigPropertyValue {
             fn fmt(&self, f: &mut core::fmt::Formatter<'_>) -> core::fmt::Result {
-                match self {
-                    ConfigPropertyValue::Boolean(value) => write!(f, "{}", value),
-                    ConfigPropertyValue::Choice(value) => write!(f, "{}", value),
+                match *self {
+                    ConfigPropertyValue::Boolean(value) => write!(f, "{value}"),
+                    ConfigPropertyValue::Choice(value) => f.write_str(value),
                 }
             }
         }

objdiff-core/src/arch/arm.rs

@@ -11,7 +11,7 @@ use object::{Endian as _, Object as _, ObjectSection as _, ObjectSymbol as _, el
 use unarm::{args, arm, thumb};
 
 use crate::{
-    arch::Arch,
+    arch::{Arch, RelocationOverride, RelocationOverrideTarget},
     diff::{ArmArchVersion, ArmR9Usage, DiffObjConfig, display::InstructionPart},
     obj::{
         InstructionRef, Relocation, RelocationFlags, ResolvedInstructionRef, ResolvedRelocation,
@@ -225,7 +225,7 @@ impl Arch for ArchArm {
 
         let mut address = start_addr;
         while address < end_addr {
-            while let Some(next) = next_mapping.take_if(|x| address >= x.address) {
+            while let Some(next) = next_mapping.filter(|x| address >= x.address) {
                 // Change mapping
                 mode = next.mapping;
                 next_mapping = mappings_iter.next();
@@ -356,47 +356,57 @@ impl Arch for ArchArm {
         Ok(())
     }
 
-    fn implcit_addend(
+    fn relocation_override(
         &self,
         _file: &object::File<'_>,
         section: &object::Section,
         address: u64,
-        _relocation: &object::Relocation,
-        flags: RelocationFlags,
-    ) -> Result<i64> {
-        let section_data = section.data()?;
-        let address = address as usize;
-        Ok(match flags {
-            // ARM calls
-            RelocationFlags::Elf(elf::R_ARM_PC24)
-            | RelocationFlags::Elf(elf::R_ARM_XPC25)
-            | RelocationFlags::Elf(elf::R_ARM_CALL) => {
-                let data = section_data[address..address + 4].try_into()?;
-                let addend = self.endianness.read_i32_bytes(data);
-                let imm24 = addend & 0xffffff;
-                (imm24 << 2) << 8 >> 8
+        relocation: &object::Relocation,
+    ) -> Result<Option<RelocationOverride>> {
+        match relocation.flags() {
+            // Handle ELF implicit relocations
+            object::RelocationFlags::Elf { r_type } => {
+                if relocation.has_implicit_addend() {
+                    let section_data = section.data()?;
+                    let address = address as usize;
+                    let addend = match r_type {
+                        // ARM calls
+                        elf::R_ARM_PC24 | elf::R_ARM_XPC25 | elf::R_ARM_CALL => {
+                            let data = section_data[address..address + 4].try_into()?;
+                            let addend = self.endianness.read_i32_bytes(data);
+                            let imm24 = addend & 0xffffff;
+                            (imm24 << 2) << 8 >> 8
+                        }
+
+                        // Thumb calls
+                        elf::R_ARM_THM_PC22 | elf::R_ARM_THM_XPC22 => {
+                            let data = section_data[address..address + 2].try_into()?;
+                            let high = self.endianness.read_i16_bytes(data) as i32;
+                            let data = section_data[address + 2..address + 4].try_into()?;
+                            let low = self.endianness.read_i16_bytes(data) as i32;
+
+                            let imm22 = ((high & 0x7ff) << 11) | (low & 0x7ff);
+                            (imm22 << 1) << 9 >> 9
+                        }
+
+                        // Data
+                        elf::R_ARM_ABS32 => {
+                            let data = section_data[address..address + 4].try_into()?;
+                            self.endianness.read_i32_bytes(data)
+                        }
+
+                        flags => bail!("Unsupported ARM implicit relocation {flags:?}"),
+                    };
+                    Ok(Some(RelocationOverride {
+                        target: RelocationOverrideTarget::Keep,
+                        addend: addend as i64,
+                    }))
+                } else {
+                    Ok(None)
+                }
             }
-
-            // Thumb calls
-            RelocationFlags::Elf(elf::R_ARM_THM_PC22)
-            | RelocationFlags::Elf(elf::R_ARM_THM_XPC22) => {
-                let data = section_data[address..address + 2].try_into()?;
-                let high = self.endianness.read_i16_bytes(data) as i32;
-                let data = section_data[address + 2..address + 4].try_into()?;
-                let low = self.endianness.read_i16_bytes(data) as i32;
-
-                let imm22 = ((high & 0x7ff) << 11) | (low & 0x7ff);
-                (imm22 << 1) << 9 >> 9
-            }
-
-            // Data
-            RelocationFlags::Elf(elf::R_ARM_ABS32) => {
-                let data = section_data[address..address + 4].try_into()?;
-                self.endianness.read_i32_bytes(data)
-            }
-
-            flags => bail!("Unsupported ARM implicit relocation {flags:?}"),
-        } as i64)
+            _ => Ok(None),
+        }
     }
 
     fn demangle(&self, name: &str) -> Option<String> {
@@ -575,7 +585,7 @@ fn push_args(
                     arg_cb(InstructionPart::basic("}"))?;
                 }
                 args::Argument::CoprocNum(value) => {
-                    arg_cb(InstructionPart::opaque(format!("p{}", value)))?;
+                    arg_cb(InstructionPart::opaque(format!("p{value}")))?;
                 }
                 args::Argument::ShiftImm(shift) => {
                     arg_cb(InstructionPart::opaque(shift.op.to_string()))?;

objdiff-core/src/arch/arm64.rs

@@ -5,7 +5,7 @@ use alloc::{
 };
 use core::cmp::Ordering;
 
-use anyhow::{Result, bail};
+use anyhow::Result;
 use object::elf;
 use yaxpeax_arch::{Arch as YaxpeaxArch, Decoder, Reader, U8Reader};
 use yaxpeax_arm::armv8::a64::{
@@ -108,17 +108,6 @@ impl Arch for ArchArm64 {
         Ok(())
     }
 
-    fn implcit_addend(
-        &self,
-        _file: &object::File<'_>,
-        _section: &object::Section,
-        address: u64,
-        _relocation: &object::Relocation,
-        flags: RelocationFlags,
-    ) -> Result<i64> {
-        bail!("Unsupported ARM64 implicit relocation {:#x}:{:?}", address, flags)
-    }
-
     fn demangle(&self, name: &str) -> Option<String> {
         cpp_demangle::Symbol::new(name)
             .ok()
@@ -2268,7 +2257,7 @@ where Cb: FnMut(InstructionPart<'static>) {
             push_plain(args, "]");
             push_separator(args);
             // TODO does 31 have to be handled separate?
-            args(InstructionPart::opaque(format!("x{}", offset_reg)));
+            args(InstructionPart::opaque(format!("x{offset_reg}")));
         }
         // Fall back to original logic
         Operand::SIMDRegister(_, _)

objdiff-core/src/arch/mips.rs

@@ -7,14 +7,11 @@ use alloc::{
 use anyhow::{Result, bail};
 use object::{Endian as _, Object as _, ObjectSection as _, ObjectSymbol as _, elf};
 use rabbitizer::{
-    IsaExtension, IsaVersion, Vram,
-    abi::Abi,
-    operands::{IU16, ValuedOperand},
-    registers_meta::Register,
+    IsaExtension, IsaVersion, Vram, abi::Abi, operands::ValuedOperand, registers_meta::Register,
 };
 
 use crate::{
-    arch::Arch,
+    arch::{Arch, RelocationOverride, RelocationOverrideTarget},
     diff::{DiffObjConfig, MipsAbi, MipsInstrCategory, display::InstructionPart},
     obj::{
         InstructionArg, InstructionArgValue, InstructionRef, Relocation, RelocationFlags,
@@ -225,53 +222,67 @@ impl Arch for ArchMips {
         Ok(())
     }
 
-    fn implcit_addend(
+    fn relocation_override(
         &self,
         file: &object::File<'_>,
         section: &object::Section,
         address: u64,
-        reloc: &object::Relocation,
-        flags: RelocationFlags,
-    ) -> Result<i64> {
-        // Check for paired R_MIPS_HI16 and R_MIPS_LO16 relocations.
-        if let RelocationFlags::Elf(elf::R_MIPS_HI16 | elf::R_MIPS_LO16) = flags {
-            if let Some(addend) = self
-                .paired_relocations
-                .get(section.index().0)
-                .and_then(|m| m.get(&address).copied())
-            {
-                return Ok(addend);
-            }
-        }
+        relocation: &object::Relocation,
+    ) -> Result<Option<RelocationOverride>> {
+        match relocation.flags() {
+            // Handle ELF implicit relocations
+            object::RelocationFlags::Elf { r_type } => {
+                if relocation.has_implicit_addend() {
+                    // Check for paired R_MIPS_HI16 and R_MIPS_LO16 relocations.
+                    if let elf::R_MIPS_HI16 | elf::R_MIPS_LO16 = r_type {
+                        if let Some(addend) = self
+                            .paired_relocations
+                            .get(section.index().0)
+                            .and_then(|m| m.get(&address).copied())
+                        {
+                            return Ok(Some(RelocationOverride {
+                                target: RelocationOverrideTarget::Keep,
+                                addend,
+                            }));
+                        }
+                    }
 
-        let data = section.data()?;
-        let code = data[address as usize..address as usize + 4].try_into()?;
-        let addend = self.endianness.read_u32_bytes(code);
-        Ok(match flags {
-            RelocationFlags::Elf(elf::R_MIPS_32) => addend as i64,
-            RelocationFlags::Elf(elf::R_MIPS_26) => ((addend & 0x03FFFFFF) << 2) as i64,
-            RelocationFlags::Elf(elf::R_MIPS_HI16) => ((addend & 0x0000FFFF) << 16) as i32 as i64,
-            RelocationFlags::Elf(elf::R_MIPS_LO16 | elf::R_MIPS_GOT16 | elf::R_MIPS_CALL16) => {
-                (addend & 0x0000FFFF) as i16 as i64
-            }
-            RelocationFlags::Elf(elf::R_MIPS_GPREL16 | elf::R_MIPS_LITERAL) => {
-                let object::RelocationTarget::Symbol(idx) = reloc.target() else {
-                    bail!("Unsupported R_MIPS_GPREL16 relocation against a non-symbol");
-                };
-                let sym = file.symbol_by_index(idx)?;
+                    let data = section.data()?;
+                    let code = self
+                        .endianness
+                        .read_u32_bytes(data[address as usize..address as usize + 4].try_into()?);
+                    let addend = match r_type {
+                        elf::R_MIPS_32 => code as i64,
+                        elf::R_MIPS_26 => ((code & 0x03FFFFFF) << 2) as i64,
+                        elf::R_MIPS_HI16 => ((code & 0x0000FFFF) << 16) as i32 as i64,
+                        elf::R_MIPS_LO16 | elf::R_MIPS_GOT16 | elf::R_MIPS_CALL16 => {
+                            (code & 0x0000FFFF) as i16 as i64
+                        }
+                        elf::R_MIPS_GPREL16 | elf::R_MIPS_LITERAL => {
+                            let object::RelocationTarget::Symbol(idx) = relocation.target() else {
+                                bail!("Unsupported R_MIPS_GPREL16 relocation against a non-symbol");
+                            };
+                            let sym = file.symbol_by_index(idx)?;
 
-                // if the symbol we are relocating against is in a local section we need to add
-                // the ri_gp_value from .reginfo to the addend.
-                if sym.section().index().is_some() {
-                    ((addend & 0x0000FFFF) as i16 as i64) + self.ri_gp_value as i64
+                            // if the symbol we are relocating against is in a local section we need to add
+                            // the ri_gp_value from .reginfo to the addend.
+                            if sym.section().index().is_some() {
+                                ((code & 0x0000FFFF) as i16 as i64) + self.ri_gp_value as i64
+                            } else {
+                                (code & 0x0000FFFF) as i16 as i64
+                            }
+                        }
+                        elf::R_MIPS_PC16 => 0, // PC-relative relocation
+                        R_MIPS15_S3 => ((code & 0x001FFFC0) >> 3) as i64,
+                        flags => bail!("Unsupported MIPS implicit relocation {flags:?}"),
+                    };
+                    Ok(Some(RelocationOverride { target: RelocationOverrideTarget::Keep, addend }))
                 } else {
-                    (addend & 0x0000FFFF) as i16 as i64
+                    Ok(None)
                 }
             }
-            RelocationFlags::Elf(elf::R_MIPS_PC16) => 0, // PC-relative relocation
-            RelocationFlags::Elf(R_MIPS15_S3) => ((addend & 0x001FFFC0) >> 3) as i64,
-            flags => bail!("Unsupported MIPS implicit relocation {flags:?}"),
-        })
+            _ => Ok(None),
+        }
     }
 
     fn demangle(&self, name: &str) -> Option<String> {
@@ -335,14 +346,18 @@ fn push_args(
         }
 
         match op {
-            ValuedOperand::core_immediate(imm) => {
+            ValuedOperand::core_imm_i16(imm) => {
                 if let Some(resolved) = relocation {
                     push_reloc(resolved.relocation, &mut arg_cb)?;
                 } else {
-                    arg_cb(match imm {
-                        IU16::Integer(s) => InstructionPart::signed(s),
-                        IU16::Unsigned(u) => InstructionPart::unsigned(u),
-                    })?;
+                    arg_cb(InstructionPart::signed(imm))?;
+                }
+            }
+            ValuedOperand::core_imm_u16(imm) => {
+                if let Some(resolved) = relocation {
+                    push_reloc(resolved.relocation, &mut arg_cb)?;
+                } else {
+                    arg_cb(InstructionPart::unsigned(imm))?;
                 }
             }
             ValuedOperand::core_label(..) | ValuedOperand::core_branch_target_label(..) => {
@@ -359,14 +374,13 @@ fn push_args(
                     ))?;
                 }
             }
-            ValuedOperand::core_immediate_base(imm, base) => {
+            ValuedOperand::core_imm_rs(imm, base) => {
                 if let Some(resolved) = relocation {
                     push_reloc(resolved.relocation, &mut arg_cb)?;
                 } else {
-                    arg_cb(InstructionPart::Arg(InstructionArg::Value(match imm {
-                        IU16::Integer(s) => InstructionArgValue::Signed(s as i64),
-                        IU16::Unsigned(u) => InstructionArgValue::Unsigned(u as u64),
-                    })))?;
+                    arg_cb(InstructionPart::Arg(InstructionArg::Value(
+                        InstructionArgValue::Signed(imm as i64),
+                    )))?;
                 }
                 arg_cb(InstructionPart::basic("("))?;
                 arg_cb(InstructionPart::opaque(base.either_name(

objdiff-core/src/arch/mod.rs

@@ -1,5 +1,14 @@
-use alloc::{borrow::Cow, boxed::Box, format, string::String, vec::Vec};
-use core::{ffi::CStr, fmt, fmt::Debug};
+use alloc::{
+    borrow::Cow,
+    boxed::Box,
+    format,
+    string::{String, ToString},
+    vec::Vec,
+};
+use core::{
+    ffi::CStr,
+    fmt::{self, Debug},
+};
 
 use anyhow::{Result, bail};
 use encoding_rs::SHIFT_JIS;
@@ -11,8 +20,9 @@ use crate::{
         display::{ContextItem, HoverItem, InstructionPart},
     },
     obj::{
-        InstructionArg, InstructionRef, Object, ParsedInstruction, Relocation, RelocationFlags,
-        ResolvedInstructionRef, ResolvedSymbol, Section, Symbol, SymbolFlagSet, SymbolKind,
+        FlowAnalysisResult, InstructionArg, InstructionRef, Object, ParsedInstruction, Relocation,
+        RelocationFlags, ResolvedInstructionRef, ResolvedSymbol, Section, Symbol, SymbolFlagSet,
+        SymbolKind,
     },
     util::ReallySigned,
 };
@@ -31,6 +41,7 @@ pub mod superh;
 pub mod x86;
 
 /// Represents the type of data associated with an instruction
+#[derive(PartialEq)]
 pub enum DataType {
     Int8,
     Int16,
@@ -44,16 +55,16 @@ pub enum DataType {
 
 impl fmt::Display for DataType {
     fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
-        match self {
-            DataType::Int8 => write!(f, "Int8"),
-            DataType::Int16 => write!(f, "Int16"),
-            DataType::Int32 => write!(f, "Int32"),
-            DataType::Int64 => write!(f, "Int64"),
-            DataType::Float => write!(f, "Float"),
-            DataType::Double => write!(f, "Double"),
-            DataType::Bytes => write!(f, "Bytes"),
-            DataType::String => write!(f, "String"),
-        }
+        f.write_str(match self {
+            DataType::Int8 => "Int8",
+            DataType::Int16 => "Int16",
+            DataType::Int32 => "Int32",
+            DataType::Int64 => "Int64",
+            DataType::Float => "Float",
+            DataType::Double => "Double",
+            DataType::Bytes => "Bytes",
+            DataType::String => "String",
+        })
     }
 }
 
@@ -61,8 +72,8 @@ impl DataType {
     pub fn display_labels(&self, endian: object::Endianness, bytes: &[u8]) -> Vec<String> {
         let mut strs = Vec::new();
         for (literal, label_override) in self.display_literals(endian, bytes) {
-            let label = label_override.unwrap_or_else(|| format!("{}", self));
-            strs.push(format!("{}: {}", label, literal))
+            let label = label_override.unwrap_or_else(|| self.to_string());
+            strs.push(format!("{label}: {literal}"))
         }
         strs
     }
@@ -95,7 +106,7 @@ impl DataType {
         match self {
             DataType::Int8 => {
                 let i = i8::from_ne_bytes(bytes.try_into().unwrap());
-                strs.push((format!("{:#x}", i), None));
+                strs.push((format!("{i:#x}"), None));
 
                 if i < 0 {
                     strs.push((format!("{:#x}", ReallySigned(i)), None));
@@ -103,7 +114,7 @@ impl DataType {
             }
             DataType::Int16 => {
                 let i = endian.read_i16_bytes(bytes.try_into().unwrap());
-                strs.push((format!("{:#x}", i), None));
+                strs.push((format!("{i:#x}"), None));
 
                 if i < 0 {
                     strs.push((format!("{:#x}", ReallySigned(i)), None));
@@ -111,7 +122,7 @@ impl DataType {
             }
             DataType::Int32 => {
                 let i = endian.read_i32_bytes(bytes.try_into().unwrap());
-                strs.push((format!("{:#x}", i), None));
+                strs.push((format!("{i:#x}"), None));
 
                 if i < 0 {
                     strs.push((format!("{:#x}", ReallySigned(i)), None));
@@ -119,7 +130,7 @@ impl DataType {
             }
             DataType::Int64 => {
                 let i = endian.read_i64_bytes(bytes.try_into().unwrap());
-                strs.push((format!("{:#x}", i), None));
+                strs.push((format!("{i:#x}"), None));
 
                 if i < 0 {
                     strs.push((format!("{:#x}", ReallySigned(i)), None));
@@ -146,16 +157,16 @@ impl DataType {
                 ));
             }
             DataType::Bytes => {
-                strs.push((format!("{:#?}", bytes), None));
+                strs.push((format!("{bytes:#?}"), None));
             }
             DataType::String => {
                 if let Ok(cstr) = CStr::from_bytes_until_nul(bytes) {
-                    strs.push((format!("{:?}", cstr), None));
+                    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);
+                        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())));
@@ -335,14 +346,26 @@ pub trait Arch: Send + Sync + Debug {
         Vec::new()
     }
 
-    fn implcit_addend(
+    // Perform detailed data flow analysis
+    fn data_flow_analysis(
         &self,
-        file: &object::File<'_>,
-        section: &object::Section,
-        address: u64,
-        relocation: &object::Relocation,
-        flags: RelocationFlags,
-    ) -> Result<i64>;
+        _obj: &Object,
+        _symbol: &Symbol,
+        _code: &[u8],
+        _relocations: &[Relocation],
+    ) -> Option<Box<dyn FlowAnalysisResult>> {
+        None
+    }
+
+    fn relocation_override(
+        &self,
+        _file: &object::File<'_>,
+        _section: &object::Section,
+        _address: u64,
+        _relocation: &object::Relocation,
+    ) -> Result<Option<RelocationOverride>> {
+        Ok(None)
+    }
 
     fn demangle(&self, _name: &str) -> Option<String> { None }
 
@@ -389,7 +412,9 @@ pub fn new_arch(object: &object::File) -> Result<Box<dyn Arch>> {
     use object::Object as _;
     Ok(match object.architecture() {
         #[cfg(feature = "ppc")]
-        object::Architecture::PowerPc => Box::new(ppc::ArchPpc::new(object)?),
+        object::Architecture::PowerPc | object::Architecture::PowerPc64 => {
+            Box::new(ppc::ArchPpc::new(object)?)
+        }
         #[cfg(feature = "mips")]
         object::Architecture::Mips => Box::new(mips::ArchMips::new(object)?),
         #[cfg(feature = "x86")]
@@ -434,16 +459,17 @@ impl Arch for ArchDummy {
         Ok(())
     }
 
-    fn implcit_addend(
-        &self,
-        _file: &object::File<'_>,
-        _section: &object::Section,
-        _address: u64,
-        _relocation: &object::Relocation,
-        _flags: RelocationFlags,
-    ) -> Result<i64> {
-        Ok(0)
-    }
-
     fn data_reloc_size(&self, _flags: RelocationFlags) -> usize { 0 }
 }
+
+pub enum RelocationOverrideTarget {
+    Keep,
+    Skip,
+    Symbol(object::SymbolIndex),
+    Section(object::SectionIndex),
+}
+
+pub struct RelocationOverride {
+    pub target: RelocationOverrideTarget,
+    pub addend: i64,
+}

objdiff-core/src/arch/ppc/flow_analysis.rs

@@ -0,0 +1,651 @@
+use alloc::{
+    boxed::Box,
+    collections::{BTreeMap, BTreeSet},
+    format,
+    string::{String, ToString},
+    vec::Vec,
+};
+use core::{
+    ffi::CStr,
+    ops::{Index, IndexMut},
+};
+
+use itertools::Itertools;
+use powerpc::{Extensions, Simm};
+
+use crate::{
+    arch::DataType,
+    obj::{FlowAnalysisResult, FlowAnalysisValue, Object, Relocation, Symbol},
+    util::{RawDouble, RawFloat},
+};
+
+fn is_store_instruction(op: powerpc::Opcode) -> bool {
+    use powerpc::Opcode;
+    matches!(
+        op,
+        Opcode::Stbux
+            | Opcode::Stbx
+            | Opcode::Stfdux
+            | Opcode::Stfdx
+            | Opcode::Stfiwx
+            | Opcode::Stfsux
+            | Opcode::Stfsx
+            | Opcode::Sthbrx
+            | Opcode::Sthux
+            | Opcode::Sthx
+            | Opcode::Stswi
+            | Opcode::Stswx
+            | Opcode::Stwbrx
+            | Opcode::Stwcx_
+            | Opcode::Stwux
+            | Opcode::Stwx
+            | Opcode::Stwu
+            | Opcode::Stb
+            | Opcode::Stbu
+            | Opcode::Sth
+            | Opcode::Sthu
+            | Opcode::Stmw
+            | Opcode::Stfs
+            | Opcode::Stfsu
+            | Opcode::Stfd
+            | Opcode::Stfdu
+    )
+}
+
+pub fn guess_data_type_from_load_store_inst_op(inst_op: powerpc::Opcode) -> Option<DataType> {
+    use powerpc::Opcode;
+    match inst_op {
+        Opcode::Lbz | Opcode::Lbzu | Opcode::Lbzux | Opcode::Lbzx => Some(DataType::Int8),
+        Opcode::Lhz | Opcode::Lhzu | Opcode::Lhzux | Opcode::Lhzx => Some(DataType::Int16),
+        Opcode::Lha | Opcode::Lhau | Opcode::Lhaux | Opcode::Lhax => Some(DataType::Int16),
+        Opcode::Lwz | Opcode::Lwzu | Opcode::Lwzux | Opcode::Lwzx => Some(DataType::Int32),
+        Opcode::Lfs | Opcode::Lfsu | Opcode::Lfsux | Opcode::Lfsx => Some(DataType::Float),
+        Opcode::Lfd | Opcode::Lfdu | Opcode::Lfdux | Opcode::Lfdx => Some(DataType::Double),
+
+        Opcode::Stb | Opcode::Stbu | Opcode::Stbux | Opcode::Stbx => Some(DataType::Int8),
+        Opcode::Sth | Opcode::Sthu | Opcode::Sthux | Opcode::Sthx => Some(DataType::Int16),
+        Opcode::Stw | Opcode::Stwu | Opcode::Stwux | Opcode::Stwx => Some(DataType::Int32),
+        Opcode::Stfs | Opcode::Stfsu | Opcode::Stfsux | Opcode::Stfsx => Some(DataType::Float),
+        Opcode::Stfd | Opcode::Stfdu | Opcode::Stfdux | Opcode::Stfdx => Some(DataType::Double),
+        _ => None,
+    }
+}
+
+#[derive(Default, PartialEq, Eq, Copy, Clone, Debug, PartialOrd, Ord)]
+enum RegisterContent {
+    #[default]
+    Unknown,
+    Variable, // Multiple potential values
+    FloatConstant(RawFloat),
+    DoubleConstant(RawDouble),
+    IntConstant(i32),
+    InputRegister(u8),
+    Symbol(usize),
+}
+
+impl core::fmt::Display for RegisterContent {
+    fn fmt(&self, f: &mut core::fmt::Formatter<'_>) -> core::fmt::Result {
+        match self {
+            RegisterContent::Unknown => write!(f, "unknown"),
+            RegisterContent::Variable => write!(f, "variable"),
+            RegisterContent::IntConstant(i) =>
+            // -i is safe because it's at most a 16 bit constant in the i32
+            {
+                if *i >= 0 {
+                    write!(f, "0x{i:x}")
+                } else {
+                    write!(f, "-0x{:x}", -i)
+                }
+            }
+            RegisterContent::FloatConstant(RawFloat(fp)) => write!(f, "{fp:?}f"),
+            RegisterContent::DoubleConstant(RawDouble(fp)) => write!(f, "{fp:?}d"),
+            RegisterContent::InputRegister(p) => write!(f, "input{p}"),
+            RegisterContent::Symbol(_u) => write!(f, "relocation"),
+        }
+    }
+}
+
+#[derive(Clone, PartialEq, Eq, Ord, PartialOrd)]
+struct RegisterState {
+    gpr: [RegisterContent; 32],
+    fpr: [RegisterContent; 32],
+}
+
+impl RegisterState {
+    fn new() -> Self {
+        RegisterState { gpr: [RegisterContent::Unknown; 32], fpr: [RegisterContent::Unknown; 32] }
+    }
+
+    // During a function call, these registers must be assumed trashed.
+    fn clear_volatile(&mut self) {
+        self[powerpc::GPR(0)] = RegisterContent::Unknown;
+        for i in 0..=13 {
+            self[powerpc::GPR(i)] = RegisterContent::Unknown;
+        }
+        for i in 0..=13 {
+            self[powerpc::FPR(i)] = RegisterContent::Unknown;
+        }
+    }
+
+    // Mark potential input values.
+    // Subsequent flow analysis will "realize" that they are not actually inputs if
+    // they get overwritten with another value before getting read.
+    fn set_potential_inputs(&mut self) {
+        for g_reg in 3..=13 {
+            self[powerpc::GPR(g_reg)] = RegisterContent::InputRegister(g_reg);
+        }
+        for f_reg in 1..=13 {
+            self[powerpc::FPR(f_reg)] = RegisterContent::InputRegister(f_reg);
+        }
+    }
+
+    // If the there is no value, we can take the new known value.
+    // If there's a known value different than the new value, the content
+    // must is variable.
+    // Returns whether the current value was updated.
+    fn unify_values(current: &mut RegisterContent, new: &RegisterContent) -> bool {
+        if *current == *new {
+            false
+        } else if *current == RegisterContent::Unknown {
+            *current = *new;
+            true
+        } else if *current == RegisterContent::Variable {
+            // Already variable
+            false
+        } else {
+            *current = RegisterContent::Variable;
+            true
+        }
+    }
+
+    // Unify currently known register contents in a give situation with new
+    // information about the register contents in that situation.
+    // Currently unknown register contents can be filled, but if there are
+    // conflicting contents, we go back to unknown.
+    fn unify(&mut self, other: &RegisterState) -> bool {
+        let mut updated = false;
+        for i in 0..32 {
+            updated |= Self::unify_values(&mut self.gpr[i], &other.gpr[i]);
+            updated |= Self::unify_values(&mut self.fpr[i], &other.fpr[i]);
+        }
+        updated
+    }
+}
+
+impl Index<powerpc::GPR> for RegisterState {
+    type Output = RegisterContent;
+
+    fn index(&self, gpr: powerpc::GPR) -> &Self::Output { &self.gpr[gpr.0 as usize] }
+}
+impl IndexMut<powerpc::GPR> for RegisterState {
+    fn index_mut(&mut self, gpr: powerpc::GPR) -> &mut Self::Output {
+        &mut self.gpr[gpr.0 as usize]
+    }
+}
+
+impl Index<powerpc::FPR> for RegisterState {
+    type Output = RegisterContent;
+
+    fn index(&self, fpr: powerpc::FPR) -> &Self::Output { &self.fpr[fpr.0 as usize] }
+}
+impl IndexMut<powerpc::FPR> for RegisterState {
+    fn index_mut(&mut self, fpr: powerpc::FPR) -> &mut Self::Output {
+        &mut self.fpr[fpr.0 as usize]
+    }
+}
+
+fn execute_instruction(
+    registers: &mut RegisterState,
+    op: &powerpc::Opcode,
+    args: &powerpc::Arguments,
+) {
+    use powerpc::{Argument, GPR, Opcode};
+    match (op, args[0], args[1], args[2]) {
+        (Opcode::Or, Argument::GPR(a), Argument::GPR(b), Argument::GPR(c)) => {
+            // Move is implemented as or with self for ints
+            if b == c {
+                registers[a] = registers[b];
+            } else {
+                registers[a] = RegisterContent::Unknown;
+            }
+        }
+        (Opcode::Fmr, Argument::FPR(a), Argument::FPR(b), _) => {
+            registers[a] = registers[b];
+        }
+        (Opcode::Addi, Argument::GPR(a), Argument::GPR(GPR(0)), Argument::Simm(c)) => {
+            // Load immidiate implemented as addi with addend = r0
+            // Let Addi with other addends fall through to the case which
+            // overwrites the destination
+            registers[a] = RegisterContent::IntConstant(c.0 as i32);
+        }
+        (Opcode::Bcctr, _, _, _) => {
+            // Called a function pointer, may have erased volatile registers
+            registers.clear_volatile();
+        }
+        (Opcode::B, _, _, _) => {
+            if get_branch_offset(args) == 0 {
+                // Call to another function
+                registers.clear_volatile();
+            }
+        }
+        (
+            Opcode::Stbu | Opcode::Sthu | Opcode::Stwu | Opcode::Stfsu | Opcode::Stfdu,
+            _,
+            _,
+            Argument::GPR(rel),
+        ) => {
+            // Storing with update, clear updated register (third arg)
+            registers[rel] = RegisterContent::Unknown;
+        }
+        (
+            Opcode::Stbux | Opcode::Sthux | Opcode::Stwux | Opcode::Stfsux | Opcode::Stfdux,
+            _,
+            Argument::GPR(rel),
+            _,
+        ) => {
+            // Storing indexed with update, clear updated register (second arg)
+            registers[rel] = RegisterContent::Unknown;
+        }
+        (Opcode::Lmw, Argument::GPR(target), _, _) => {
+            // `lmw` overwrites all registers from rd to r31.
+            for reg in target.0..31 {
+                registers[GPR(reg)] = RegisterContent::Unknown;
+            }
+        }
+        (_, Argument::GPR(a), _, _) => {
+            // Store instructions don't modify the GPR
+            if !is_store_instruction(*op) {
+                // Other operations which write to GPR a
+                registers[a] = RegisterContent::Unknown;
+            }
+        }
+        (_, Argument::FPR(a), _, _) => {
+            // Store instructions don't modify the FPR
+            if !is_store_instruction(*op) {
+                // Other operations which write to FPR a
+                registers[a] = RegisterContent::Unknown;
+            }
+        }
+        (_, _, _, _) => {}
+    }
+}
+
+fn get_branch_offset(args: &powerpc::Arguments) -> i32 {
+    for arg in args.iter() {
+        match arg {
+            powerpc::Argument::BranchDest(dest) => return dest.0 / 4,
+            powerpc::Argument::None => break,
+            _ => {}
+        }
+    }
+    0
+}
+
+#[derive(Debug, Default)]
+struct PPCFlowAnalysisResult {
+    argument_contents: BTreeMap<(u64, u8), FlowAnalysisValue>,
+}
+
+impl PPCFlowAnalysisResult {
+    fn set_argument_value_at_address(
+        &mut self,
+        address: u64,
+        argument: u8,
+        value: FlowAnalysisValue,
+    ) {
+        self.argument_contents.insert((address, argument), value);
+    }
+
+    fn new() -> Self { PPCFlowAnalysisResult { argument_contents: Default::default() } }
+}
+
+impl FlowAnalysisResult for PPCFlowAnalysisResult {
+    fn get_argument_value_at_address(
+        &self,
+        address: u64,
+        argument: u8,
+    ) -> Option<&FlowAnalysisValue> {
+        self.argument_contents.get(&(address, argument))
+    }
+}
+
+fn clamp_text_length(s: String, max: usize) -> String {
+    if s.len() <= max { s } else { format!("{}…", s.chars().take(max - 3).collect::<String>()) }
+}
+
+fn get_register_content_from_reloc(
+    reloc: &Relocation,
+    obj: &Object,
+    op: powerpc::Opcode,
+) -> RegisterContent {
+    if let Some(bytes) = obj.symbol_data(reloc.target_symbol) {
+        match guess_data_type_from_load_store_inst_op(op) {
+            Some(DataType::Float) => {
+                RegisterContent::FloatConstant(RawFloat(match obj.endianness {
+                    object::Endianness::Little => {
+                        f32::from_le_bytes(bytes.try_into().unwrap_or([0; 4]))
+                    }
+                    object::Endianness::Big => {
+                        f32::from_be_bytes(bytes.try_into().unwrap_or([0; 4]))
+                    }
+                }))
+            }
+            Some(DataType::Double) => {
+                RegisterContent::DoubleConstant(RawDouble(match obj.endianness {
+                    object::Endianness::Little => {
+                        f64::from_le_bytes(bytes.try_into().unwrap_or([0; 8]))
+                    }
+                    object::Endianness::Big => {
+                        f64::from_be_bytes(bytes.try_into().unwrap_or([0; 8]))
+                    }
+                }))
+            }
+            _ => RegisterContent::Symbol(reloc.target_symbol),
+        }
+    } else {
+        RegisterContent::Symbol(reloc.target_symbol)
+    }
+}
+
+// Executing op with args at cur_address, update current_state with symbols that
+// come from relocations. That is, references to globals, floating point
+// constants, string constants, etc.
+fn fill_registers_from_relocation(
+    reloc: &Relocation,
+    current_state: &mut RegisterState,
+    obj: &Object,
+    op: powerpc::Opcode,
+    args: &powerpc::Arguments,
+) {
+    // Only update the register state for loads. We may store to a reloc
+    // address but that doesn't update register contents.
+    if !is_store_instruction(op) {
+        match (op, args[0]) {
+            // Everything else is a load of some sort
+            (_, powerpc::Argument::GPR(gpr)) => {
+                current_state[gpr] = get_register_content_from_reloc(reloc, obj, op);
+            }
+            (_, powerpc::Argument::FPR(fpr)) => {
+                current_state[fpr] = get_register_content_from_reloc(reloc, obj, op);
+            }
+            _ => {}
+        }
+    }
+}
+
+// Special helper fragments generated by MWCC.
+// See: https://github.com/encounter/decomp-toolkit/blob/main/src/analysis/pass.rs
+const SLEDS: [&str; 6] = ["_savefpr_", "_restfpr_", "_savegpr_", "_restgpr_", "_savev", "_restv"];
+
+fn is_sled_function(name: &str) -> bool { SLEDS.iter().any(|sled| name.starts_with(sled)) }
+
+pub fn ppc_data_flow_analysis(
+    obj: &Object,
+    func_symbol: &Symbol,
+    code: &[u8],
+    relocations: &[Relocation],
+    extensions: Extensions,
+) -> Box<dyn FlowAnalysisResult> {
+    use alloc::collections::VecDeque;
+
+    use powerpc::InsIter;
+    let instructions = InsIter::new(code, func_symbol.address as u32, extensions)
+        .map(|(_addr, ins)| (ins.op, ins.basic().args))
+        .collect_vec();
+
+    let func_address = func_symbol.address;
+
+    // Get initial register values from function parameters
+    let mut initial_register_state = RegisterState::new();
+    initial_register_state.set_potential_inputs();
+
+    let mut execution_queue = VecDeque::<(usize, RegisterState)>::new();
+    execution_queue.push_back((0, initial_register_state));
+
+    // Execute the instructions against abstract data
+    let mut failsafe_counter = 0;
+    let mut taken_branches = BTreeSet::<(usize, RegisterState)>::new();
+    let mut register_state_at = Vec::<RegisterState>::new();
+    let mut completed_first_pass = false;
+    register_state_at.resize_with(instructions.len(), RegisterState::new);
+    while let Some((mut index, mut current_state)) = execution_queue.pop_front() {
+        while let Some((op, args)) = instructions.get(index) {
+            // Record the state at this index
+            // If recording does not result in any changes to the known values
+            // we're done, because the subsequent values are a function of the
+            // current values so we'll get the same result as the last time
+            // we went down this path.
+            // Don't break out if we haven't even completed the first pass
+            // through the function though.
+            if !register_state_at[index].unify(&current_state) && completed_first_pass {
+                break;
+            }
+
+            // Get symbol used in this instruction
+            let cur_addr = (func_address as u32) + ((index * 4) as u32);
+            let reloc = relocations.iter().find(|r| (r.address as u32 & !3) == cur_addr);
+
+            // Is this a branch to a compiler generated helper? These helpers
+            // do not trash registers like normal function calls, so we don't
+            // want to treat this as normal execution.
+            let symbol = reloc.and_then(|r| obj.symbols.get(r.target_symbol));
+            let is_sled_invocation = symbol.is_some_and(|x| is_sled_function(&x.name));
+
+            // Execute the instruction to update the state
+            // Since sled invocations are only used to save / restore registers
+            // as part of prelude / cleanup in a function call we don't have to
+            // do any execution for them.
+            if !is_sled_invocation {
+                execute_instruction(&mut current_state, op, args);
+            }
+
+            // Fill in register state coming from relocations at this line. This
+            // handles references to global variables, floating point constants,
+            // etc.
+            if let Some(reloc) = reloc {
+                fill_registers_from_relocation(reloc, &mut current_state, obj, *op, args);
+            }
+
+            // Add conditional branches to execution queue
+            // Only take a given (address, register state) combination once. If
+            // the known register state is different we have to take the branch
+            // again to stabilize the known values for backwards branches.
+            if op == &powerpc::Opcode::Bc {
+                let branch_state = (index, current_state.clone());
+                if !taken_branches.contains(&branch_state) {
+                    let offset = get_branch_offset(args);
+                    let target_index = ((index as i32) + offset) as usize;
+                    execution_queue.push_back((target_index, current_state.clone()));
+                    taken_branches.insert(branch_state);
+
+                    // We should never hit this case, but avoid getting stuck in
+                    // an infinite loop if we hit some kind of bad behavior.
+                    failsafe_counter += 1;
+                    if failsafe_counter > 256 {
+                        //println!("Analysis of {} failed to stabilize", func_symbol.name);
+                        return Box::new(PPCFlowAnalysisResult::new());
+                    }
+                }
+            }
+
+            // Update index
+            if op == &powerpc::Opcode::B {
+                // Unconditional branch
+                let offset = get_branch_offset(args);
+                if offset > 0 {
+                    // Jump table or branch to over else clause.
+                    index += offset as usize;
+                } else if offset == 0 {
+                    // Function call with relocation. We'll return to
+                    // the next instruction.
+                    index += 1;
+                } else {
+                    // Unconditional branch (E.g.: loop { ... })
+                    // Also some compilations of loops put the conditional at
+                    // the end and B to it for the check of the first iteration.
+                    let branch_state = (index, current_state.clone());
+                    if taken_branches.contains(&branch_state) {
+                        break;
+                    }
+                    taken_branches.insert(branch_state);
+                    index = ((index as i32) + offset) as usize;
+                }
+            } else {
+                // Normal execution of next instruction
+                index += 1;
+            }
+        }
+
+        // Mark that we've completed at least one pass over the function, at
+        // this point we can break out if the code we're running doesn't change
+        // any register outcomes.
+        completed_first_pass = true;
+    }
+
+    // Store the relevant data flow values for simplified instructions
+    generate_flow_analysis_result(
+        obj,
+        func_address,
+        code,
+        register_state_at,
+        relocations,
+        extensions,
+    )
+}
+
+fn get_string_data(obj: &Object, symbol_index: usize, offset: Simm) -> Option<&str> {
+    if let Some(sym) = obj.symbols.get(symbol_index) {
+        if sym.name.starts_with("@stringBase") && offset.0 != 0 {
+            if let Some(data) = obj.symbol_data(symbol_index) {
+                let bytes = &data[offset.0 as usize..];
+                if let Ok(Ok(str)) = CStr::from_bytes_until_nul(bytes).map(|x| x.to_str()) {
+                    return Some(str);
+                }
+            }
+        }
+    }
+    None
+}
+
+// Write the relevant part of the flow analysis out into the FlowAnalysisResult
+// the rest of the application will use to query results of the flow analysis.
+// Flow analysis will compute the known contents of every register at every
+// line, but we only need to record the values of registers that are actually
+// referenced at each line.
+fn generate_flow_analysis_result(
+    obj: &Object,
+    base_address: u64,
+    code: &[u8],
+    register_state_at: Vec<RegisterState>,
+    relocations: &[Relocation],
+    extensions: Extensions,
+) -> Box<PPCFlowAnalysisResult> {
+    use powerpc::{Argument, InsIter};
+    let mut analysis_result = PPCFlowAnalysisResult::new();
+    let default_register_state = RegisterState::new();
+    for (addr, ins) in InsIter::new(code, 0, extensions) {
+        let ins_address = base_address + (addr as u64);
+        let index = addr / 4;
+        let powerpc::ParsedIns { mnemonic: _, args } = ins.simplified();
+
+        // If we're already showing relocations on a line don't also show data flow
+        let reloc = relocations.iter().find(|r| (r.address & !3) == ins_address);
+
+        // Special case to show float and double constants on the line where
+        // they are being loaded.
+        // We need to do this before we break out on showing relocations in the
+        // subsequent if statement.
+        if let (powerpc::Opcode::Lfs | powerpc::Opcode::Lfd, Some(reloc)) = (ins.op, reloc) {
+            let content = get_register_content_from_reloc(reloc, obj, ins.op);
+            if matches!(
+                content,
+                RegisterContent::FloatConstant(_) | RegisterContent::DoubleConstant(_)
+            ) {
+                analysis_result.set_argument_value_at_address(
+                    ins_address,
+                    1,
+                    FlowAnalysisValue::Text(content.to_string()),
+                );
+
+                // Don't need to show any other data flow if we're showing that
+                continue;
+            }
+        }
+
+        // Special case to show string constants on the line where they are
+        // being indexed to. This will typically be "addi t, stringbase, offset"
+        let registers = register_state_at.get(index as usize).unwrap_or(&default_register_state);
+        if let (powerpc::Opcode::Addi, Argument::GPR(rel), Argument::Simm(offset)) =
+            (ins.op, args[1], args[2])
+        {
+            if let RegisterContent::Symbol(sym_index) = registers[rel] {
+                if let Some(str) = get_string_data(obj, sym_index, offset) {
+                    // Show the string constant in the analysis result
+                    let formatted = format!("\"{str}\"");
+                    analysis_result.set_argument_value_at_address(
+                        ins_address,
+                        2,
+                        FlowAnalysisValue::Text(clamp_text_length(formatted, 20)),
+                    );
+                    // Don't continue, we want to show the stringbase value as well
+                }
+            }
+        }
+
+        let is_store = is_store_instruction(ins.op);
+        for (arg_index, arg) in args.into_iter().enumerate() {
+            // Hacky shorthand for determining which arguments are sources,
+            // We only want to show data flow for source registers, not target
+            // registers. Technically there are some non-"st_" operations which
+            // read from their first argument but they're rare.
+            if (arg_index == 0) && !is_store {
+                continue;
+            }
+
+            let content = match arg {
+                Argument::GPR(gpr) => Some(registers[gpr]),
+                Argument::FPR(fpr) => Some(registers[fpr]),
+                _ => None,
+            };
+            let analysis_value = match content {
+                Some(RegisterContent::Symbol(s)) => {
+                    if reloc.is_none() {
+                        // Only symbols if there isn't already a relocation, because
+                        // code other than the data flow analysis will be showing
+                        // the symbol for a relocation on the line it is for. If we
+                        // also showed it as data flow analysis value we would be
+                        // showing redundant information.
+                        obj.symbols.get(s).map(|sym| {
+                            FlowAnalysisValue::Text(clamp_text_length(
+                                sym.demangled_name.as_ref().unwrap_or(&sym.name).clone(),
+                                20,
+                            ))
+                        })
+                    } else {
+                        None
+                    }
+                }
+                Some(RegisterContent::InputRegister(reg)) => {
+                    let reg_name = match arg {
+                        Argument::GPR(_) => format!("in_r{reg}"),
+                        Argument::FPR(_) => format!("in_f{reg}"),
+                        _ => panic!("Register content should only be in a register"),
+                    };
+                    Some(FlowAnalysisValue::Text(reg_name))
+                }
+                Some(RegisterContent::Unknown) | Some(RegisterContent::Variable) => None,
+                Some(value) => Some(FlowAnalysisValue::Text(value.to_string())),
+                None => None,
+            };
+            if let Some(analysis_value) = analysis_value {
+                analysis_result.set_argument_value_at_address(
+                    ins_address,
+                    arg_index as u8,
+                    analysis_value,
+                );
+            }
+        }
+    }
+
+    Box::new(analysis_result)
+}

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

@@ -1,81 +1,106 @@
 use alloc::{
+    boxed::Box,
     collections::{BTreeMap, BTreeSet},
     string::{String, ToString},
     vec,
     vec::Vec,
 };
 
-use anyhow::{Result, bail, ensure};
+use anyhow::{Result, anyhow, bail, ensure};
 use cwextab::{ExceptionTableData, decode_extab};
 use flagset::Flags;
-use object::{Object as _, ObjectSection as _, ObjectSymbol as _, elf};
+use object::{Object as _, ObjectSection as _, ObjectSymbol as _, elf, pe};
 
 use crate::{
-    arch::{Arch, DataType},
+    arch::{Arch, DataType, RelocationOverride, RelocationOverrideTarget},
     diff::{
         DiffObjConfig,
         data::resolve_relocation,
         display::{ContextItem, HoverItem, HoverItemColor, InstructionPart, SymbolNavigationKind},
     },
     obj::{
-        InstructionRef, Object, Relocation, RelocationFlags, ResolvedInstructionRef,
-        ResolvedRelocation, Symbol, SymbolFlag, SymbolFlagSet,
+        FlowAnalysisResult, InstructionRef, Object, Relocation, RelocationFlags,
+        ResolvedInstructionRef, ResolvedRelocation, Symbol, SymbolFlag, SymbolFlagSet,
     },
 };
 
+mod flow_analysis;
+
 // Relative relocation, can be Simm, Offset or BranchDest
-fn is_relative_arg(arg: &ppc750cl::Argument) -> bool {
+fn is_relative_arg(arg: &powerpc::Argument) -> bool {
     matches!(
         arg,
-        ppc750cl::Argument::Simm(_)
-            | ppc750cl::Argument::Offset(_)
-            | ppc750cl::Argument::BranchDest(_)
+        powerpc::Argument::Simm(_)
+            | powerpc::Argument::Offset(_)
+            | powerpc::Argument::BranchDest(_)
     )
 }
 
 // Relative or absolute relocation, can be Uimm, Simm or Offset
-fn is_rel_abs_arg(arg: &ppc750cl::Argument) -> bool {
+fn is_rel_abs_arg(arg: &powerpc::Argument) -> bool {
     matches!(
         arg,
-        ppc750cl::Argument::Uimm(_) | ppc750cl::Argument::Simm(_) | ppc750cl::Argument::Offset(_)
+        powerpc::Argument::Uimm(_) | powerpc::Argument::Simm(_) | powerpc::Argument::Offset(_)
     )
 }
 
-fn is_offset_arg(arg: &ppc750cl::Argument) -> bool { matches!(arg, ppc750cl::Argument::Offset(_)) }
+fn is_offset_arg(arg: &powerpc::Argument) -> bool { matches!(arg, powerpc::Argument::Offset(_)) }
 
 #[derive(Debug)]
 pub struct ArchPpc {
+    pub extensions: powerpc::Extensions,
     /// Exception info
     pub extab: Option<BTreeMap<usize, ExceptionInfo>>,
 }
 
 impl ArchPpc {
     pub fn new(file: &object::File) -> Result<Self> {
-        Ok(Self { extab: decode_exception_info(file)? })
+        let extensions = match file.flags() {
+            object::FileFlags::Coff { .. } => powerpc::Extensions::xenon(),
+            object::FileFlags::Elf { e_flags, .. }
+                if (e_flags & elf::EF_PPC_EMB) == elf::EF_PPC_EMB =>
+            {
+                powerpc::Extensions::gekko_broadway()
+            }
+            _ => {
+                if file.is_64() {
+                    powerpc::Extension::Ppc64 | powerpc::Extension::AltiVec
+                } else {
+                    powerpc::Extension::AltiVec.into()
+                }
+            }
+        };
+        let extab = decode_exception_info(file)?;
+        Ok(Self { extensions, extab })
     }
 
-    fn parse_ins_ref(&self, resolved: ResolvedInstructionRef) -> Result<ppc750cl::Ins> {
+    fn parse_ins_ref(&self, resolved: ResolvedInstructionRef) -> Result<powerpc::Ins> {
         let mut code = u32::from_be_bytes(resolved.code.try_into()?);
         if let Some(reloc) = resolved.relocation {
             code = zero_reloc(code, reloc.relocation);
         }
-        let op = ppc750cl::Opcode::from(resolved.ins_ref.opcode as u8);
-        Ok(ppc750cl::Ins { code, op })
+        let op = powerpc::Opcode::from(resolved.ins_ref.opcode);
+        Ok(powerpc::Ins { code, op })
     }
 
     fn find_reloc_arg(
         &self,
-        ins: &ppc750cl::ParsedIns,
+        ins: &powerpc::ParsedIns,
         resolved: Option<ResolvedRelocation>,
     ) -> Option<usize> {
         match resolved?.relocation.flags {
             RelocationFlags::Elf(elf::R_PPC_EMB_SDA21) => Some(1),
-            RelocationFlags::Elf(elf::R_PPC_REL24 | elf::R_PPC_REL14) => {
+            RelocationFlags::Elf(elf::R_PPC_REL24 | elf::R_PPC_REL14)
+            | RelocationFlags::Coff(pe::IMAGE_REL_PPC_REL24 | pe::IMAGE_REL_PPC_REL14) => {
                 ins.args.iter().rposition(is_relative_arg)
             }
             RelocationFlags::Elf(
                 elf::R_PPC_ADDR16_HI | elf::R_PPC_ADDR16_HA | elf::R_PPC_ADDR16_LO,
-            ) => ins.args.iter().rposition(is_rel_abs_arg),
+            )
+            | RelocationFlags::Coff(pe::IMAGE_REL_PPC_REFHI | pe::IMAGE_REL_PPC_REFLO) => {
+                ins.args.iter().rposition(is_rel_abs_arg)
+            }
+            RelocationFlags::Elf(elf::R_PPC64_TOC16) => ins.args.iter().rposition(is_offset_arg),
             _ => None,
         }
     }
@@ -93,11 +118,11 @@ impl Arch for ArchPpc {
         ensure!(code.len() & 3 == 0, "Code length must be a multiple of 4");
         let ins_count = code.len() / 4;
         let mut insts = Vec::<InstructionRef>::with_capacity(ins_count);
-        for (cur_addr, ins) in ppc750cl::InsIter::new(code, address as u32) {
+        for (cur_addr, ins) in powerpc::InsIter::new(code, address as u32, self.extensions) {
             insts.push(InstructionRef {
                 address: cur_addr as u64,
                 size: 4,
-                opcode: u8::from(ins.op) as u16,
+                opcode: u16::from(ins.op),
                 branch_dest: ins.branch_dest(cur_addr).map(u64::from),
             });
         }
@@ -128,16 +153,16 @@ impl Arch for ArchPpc {
                 // For @sda21, we can omit the register argument
                 if matches!(reloc.relocation.flags, RelocationFlags::Elf(elf::R_PPC_EMB_SDA21))
                     // Sanity check: the next argument should be r0
-                    && matches!(ins.args.get(idx + 1), Some(ppc750cl::Argument::GPR(ppc750cl::GPR(0))))
+                    && matches!(ins.args.get(idx + 1), Some(powerpc::Argument::GPR(powerpc::GPR(0))))
                 {
                     break;
                 }
             } else {
                 match arg {
-                    ppc750cl::Argument::Simm(simm) => cb(InstructionPart::signed(simm.0)),
-                    ppc750cl::Argument::Uimm(uimm) => cb(InstructionPart::unsigned(uimm.0)),
-                    ppc750cl::Argument::Offset(offset) => cb(InstructionPart::signed(offset.0)),
-                    ppc750cl::Argument::BranchDest(dest) => cb(InstructionPart::branch_dest(
+                    powerpc::Argument::Simm(simm) => cb(InstructionPart::signed(simm.0)),
+                    powerpc::Argument::Uimm(uimm) => cb(InstructionPart::unsigned(uimm.0)),
+                    powerpc::Argument::Offset(offset) => cb(InstructionPart::signed(offset.0)),
+                    powerpc::Argument::BranchDest(dest) => cb(InstructionPart::branch_dest(
                         (resolved.ins_ref.address as u32).wrapping_add_signed(dest.0),
                     )),
                     _ => cb(InstructionPart::opaque(arg.to_string())),
@@ -157,6 +182,7 @@ impl Arch for ArchPpc {
         Ok(())
     }
 
+    // Could be replaced by data_flow_analysis once that feature stabilizes
     fn generate_pooled_relocations(
         &self,
         address: u64,
@@ -164,22 +190,125 @@ impl Arch for ArchPpc {
         relocations: &[Relocation],
         symbols: &[Symbol],
     ) -> Vec<Relocation> {
-        generate_fake_pool_relocations_for_function(address, code, relocations, symbols)
+        generate_fake_pool_relocations_for_function(
+            address,
+            code,
+            relocations,
+            symbols,
+            self.extensions,
+        )
     }
 
-    fn implcit_addend(
+    fn data_flow_analysis(
         &self,
-        _file: &object::File<'_>,
-        _section: &object::Section,
-        address: u64,
-        _relocation: &object::Relocation,
-        flags: RelocationFlags,
-    ) -> Result<i64> {
-        bail!("Unsupported PPC implicit relocation {:#x}:{:?}", address, flags)
+        obj: &Object,
+        symbol: &Symbol,
+        code: &[u8],
+        relocations: &[Relocation],
+    ) -> Option<Box<dyn FlowAnalysisResult>> {
+        Some(flow_analysis::ppc_data_flow_analysis(obj, symbol, code, relocations, self.extensions))
     }
 
-    fn demangle(&self, name: &str) -> Option<String> {
-        cwdemangle::demangle(name, &cwdemangle::DemangleOptions::default())
+    fn relocation_override(
+        &self,
+        file: &object::File<'_>,
+        section: &object::Section,
+        address: u64,
+        relocation: &object::Relocation,
+    ) -> Result<Option<RelocationOverride>> {
+        match relocation.flags() {
+            // IMAGE_REL_PPC_PAIR contains the REF{HI,LO} displacement instead of a symbol index
+            object::RelocationFlags::Coff {
+                typ: pe::IMAGE_REL_PPC_REFHI | pe::IMAGE_REL_PPC_REFLO,
+            } => section
+                .relocations()
+                .skip_while(|&(a, _)| a < address)
+                .take_while(|&(a, _)| a == address)
+                .find(|(_, reloc)| {
+                    matches!(reloc.flags(), object::RelocationFlags::Coff {
+                        typ: pe::IMAGE_REL_PPC_PAIR
+                    })
+                })
+                .map_or(Ok(None), |(_, reloc)| match reloc.target() {
+                    object::RelocationTarget::Symbol(index) => Ok(Some(RelocationOverride {
+                        target: RelocationOverrideTarget::Keep,
+                        addend: index.0 as u16 as i16 as i64,
+                    })),
+                    target => Err(anyhow!("Unsupported IMAGE_REL_PPC_PAIR target {target:?}")),
+                }),
+            // Skip PAIR relocations as they are handled by the previous case
+            object::RelocationFlags::Coff { typ: pe::IMAGE_REL_PPC_PAIR } => {
+                Ok(Some(RelocationOverride { target: RelocationOverrideTarget::Skip, addend: 0 }))
+            }
+            // Any other COFF relocation has an addend of 0
+            object::RelocationFlags::Coff { .. } => {
+                Ok(Some(RelocationOverride { target: RelocationOverrideTarget::Keep, addend: 0 }))
+            }
+            // Handle ELF implicit relocations
+            flags @ object::RelocationFlags::Elf { r_type } => {
+                ensure!(
+                    !relocation.has_implicit_addend(),
+                    "Unsupported implicit relocation {:?}",
+                    flags
+                );
+                match r_type {
+                    elf::R_PPC64_TOC16 => {
+                        let offset = u64::try_from(relocation.addend())
+                            .map_err(|_| anyhow!("Negative addend for R_PPC64_TOC16 relocation"))?;
+                        let Some(toc_section) = file.section_by_name(".toc") else {
+                            bail!("Missing .toc section for R_PPC64_TOC16 relocation");
+                        };
+                        // If TOC target is a relocation, replace it with the target symbol
+                        let Some((_, toc_relocation)) =
+                            toc_section.relocations().find(|&(a, _)| a == offset)
+                        else {
+                            return Ok(None);
+                        };
+                        if toc_relocation.has_implicit_addend() {
+                            log::warn!(
+                                "Unsupported implicit addend for R_PPC64_TOC16 relocation: {toc_relocation:?}"
+                            );
+                            return Ok(None);
+                        }
+                        let addend = toc_relocation.addend();
+                        match toc_relocation.target() {
+                            object::RelocationTarget::Symbol(symbol_index) => {
+                                Ok(Some(RelocationOverride {
+                                    target: RelocationOverrideTarget::Symbol(symbol_index),
+                                    addend,
+                                }))
+                            }
+                            object::RelocationTarget::Section(section_index) => {
+                                Ok(Some(RelocationOverride {
+                                    target: RelocationOverrideTarget::Section(section_index),
+                                    addend,
+                                }))
+                            }
+                            target => {
+                                log::warn!(
+                                    "Unsupported R_PPC64_TOC16 relocation target {target:?}"
+                                );
+                                Ok(None)
+                            }
+                        }
+                    }
+                    _ => Ok(None),
+                }
+            }
+            _ => Ok(None),
+        }
+    }
+
+    fn demangle(&self, mut name: &str) -> Option<String> {
+        if name.starts_with('?') {
+            msvc_demangler::demangle(name, msvc_demangler::DemangleFlags::llvm()).ok()
+        } else {
+            name = name.trim_start_matches('.');
+            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> {
@@ -194,9 +323,18 @@ impl Arch for ArchPpc {
                 elf::R_PPC_UADDR32 => Some("R_PPC_UADDR32"),
                 elf::R_PPC_REL24 => Some("R_PPC_REL24"),
                 elf::R_PPC_REL14 => Some("R_PPC_REL14"),
+                elf::R_PPC64_TOC16 => Some("R_PPC64_TOC16"),
+                _ => None,
+            },
+            RelocationFlags::Coff(r_type) => match r_type {
+                pe::IMAGE_REL_PPC_ADDR32 => Some("IMAGE_REL_PPC_ADDR32"),
+                pe::IMAGE_REL_PPC_REFHI => Some("IMAGE_REL_PPC_REFHI"),
+                pe::IMAGE_REL_PPC_REFLO => Some("IMAGE_REL_PPC_REFLO"),
+                pe::IMAGE_REL_PPC_REL24 => Some("IMAGE_REL_PPC_REL24"),
+                pe::IMAGE_REL_PPC_REL14 => Some("IMAGE_REL_PPC_REL14"),
+                pe::IMAGE_REL_PPC_PAIR => Some("IMAGE_REL_PPC_PAIR"),
                 _ => None,
             },
-            _ => None,
         }
     }
 
@@ -224,8 +362,8 @@ impl Arch for ArchPpc {
             // Pooled string.
             return Some(DataType::String);
         }
-        let opcode = ppc750cl::Opcode::from(resolved.ins_ref.opcode as u8);
-        if let Some(ty) = guess_data_type_from_load_store_inst_op(opcode) {
+        let opcode = powerpc::Opcode::from(resolved.ins_ref.opcode);
+        if let Some(ty) = flow_analysis::guess_data_type_from_load_store_inst_op(opcode) {
             // Numeric type.
             return Some(ty);
         }
@@ -322,11 +460,18 @@ impl ArchPpc {
 fn zero_reloc(code: u32, reloc: &Relocation) -> u32 {
     match reloc.flags {
         RelocationFlags::Elf(elf::R_PPC_EMB_SDA21) => code & !0x1FFFFF,
-        RelocationFlags::Elf(elf::R_PPC_REL24) => code & !0x3FFFFFC,
-        RelocationFlags::Elf(elf::R_PPC_REL14) => code & !0xFFFC,
+        RelocationFlags::Elf(elf::R_PPC_REL24) | RelocationFlags::Coff(pe::IMAGE_REL_PPC_REL24) => {
+            code & !0x3FFFFFC
+        }
+        RelocationFlags::Elf(elf::R_PPC_REL14) | RelocationFlags::Coff(pe::IMAGE_REL_PPC_REL14) => {
+            code & !0xFFFC
+        }
         RelocationFlags::Elf(
             elf::R_PPC_ADDR16_HI | elf::R_PPC_ADDR16_HA | elf::R_PPC_ADDR16_LO,
-        ) => code & !0xFFFF,
+        )
+        | RelocationFlags::Coff(pe::IMAGE_REL_PPC_REFHI | pe::IMAGE_REL_PPC_REFLO) => {
+            code & !0xFFFF
+        }
         _ => code,
     }
 }
@@ -336,34 +481,38 @@ fn display_reloc(
     cb: &mut dyn FnMut(InstructionPart) -> Result<()>,
 ) -> Result<()> {
     match resolved.relocation.flags {
-        RelocationFlags::Elf(r_type) => match r_type {
-            elf::R_PPC_ADDR16_LO => {
-                cb(InstructionPart::reloc())?;
-                cb(InstructionPart::basic("@l"))?;
-            }
-            elf::R_PPC_ADDR16_HI => {
-                cb(InstructionPart::reloc())?;
-                cb(InstructionPart::basic("@h"))?;
-            }
-            elf::R_PPC_ADDR16_HA => {
-                cb(InstructionPart::reloc())?;
-                cb(InstructionPart::basic("@ha"))?;
-            }
-            elf::R_PPC_EMB_SDA21 => {
-                cb(InstructionPart::reloc())?;
-                cb(InstructionPart::basic("@sda21"))?;
-            }
-            elf::R_PPC_ADDR32 | elf::R_PPC_UADDR32 | elf::R_PPC_REL24 | elf::R_PPC_REL14 => {
-                cb(InstructionPart::reloc())?;
-            }
-            elf::R_PPC_NONE => {
-                // Fake pool relocation.
-                cb(InstructionPart::basic("<"))?;
-                cb(InstructionPart::reloc())?;
-                cb(InstructionPart::basic(">"))?;
-            }
-            _ => cb(InstructionPart::reloc())?,
-        },
+        RelocationFlags::Elf(elf::R_PPC_ADDR16_LO)
+        | RelocationFlags::Coff(pe::IMAGE_REL_PPC_REFLO) => {
+            cb(InstructionPart::reloc())?;
+            cb(InstructionPart::basic("@l"))?;
+        }
+        RelocationFlags::Elf(elf::R_PPC_ADDR16_HI)
+        | RelocationFlags::Coff(pe::IMAGE_REL_PPC_REFHI) => {
+            cb(InstructionPart::reloc())?;
+            cb(InstructionPart::basic("@h"))?;
+        }
+        RelocationFlags::Elf(elf::R_PPC_ADDR16_HA) => {
+            cb(InstructionPart::reloc())?;
+            cb(InstructionPart::basic("@ha"))?;
+        }
+        RelocationFlags::Elf(elf::R_PPC_EMB_SDA21) => {
+            cb(InstructionPart::reloc())?;
+            cb(InstructionPart::basic("@sda21"))?;
+        }
+        RelocationFlags::Elf(
+            elf::R_PPC_ADDR32 | elf::R_PPC_UADDR32 | elf::R_PPC_REL24 | elf::R_PPC_REL14,
+        )
+        | RelocationFlags::Coff(
+            pe::IMAGE_REL_PPC_ADDR32 | pe::IMAGE_REL_PPC_REL24 | pe::IMAGE_REL_PPC_REL14,
+        ) => {
+            cb(InstructionPart::reloc())?;
+        }
+        RelocationFlags::Elf(elf::R_PPC_NONE) => {
+            // Fake pool relocation.
+            cb(InstructionPart::basic("<"))?;
+            cb(InstructionPart::reloc())?;
+            cb(InstructionPart::basic(">"))?;
+        }
         _ => cb(InstructionPart::reloc())?,
     };
     Ok(())
@@ -447,16 +596,14 @@ fn decode_exception_info(
 
         // Decode the extab data
         let Some(extab_data) = extab_section.data_range(extab_start_addr, extab.size())? else {
-            log::warn!("Failed to get extab data for function {}", extab_func_name);
+            log::warn!("Failed to get extab data for function {extab_func_name}");
             continue;
         };
         let data = match decode_extab(extab_data) {
             Ok(decoded_data) => decoded_data,
             Err(e) => {
                 log::warn!(
-                    "Exception table decoding failed for function {}, reason: {}",
-                    extab_func_name,
-                    e
+                    "Exception table decoding failed for function {extab_func_name}, reason: {e}"
                 );
                 return Ok(None);
             }
@@ -501,42 +648,23 @@ fn make_symbol_ref(symbol: &object::Symbol) -> Result<ExtabSymbolRef> {
     Ok(ExtabSymbolRef { original_index: symbol.index().0 - 1, name, demangled_name })
 }
 
-fn guess_data_type_from_load_store_inst_op(inst_op: ppc750cl::Opcode) -> Option<DataType> {
-    use ppc750cl::Opcode;
-    match inst_op {
-        Opcode::Lbz | Opcode::Lbzu | Opcode::Lbzux | Opcode::Lbzx => Some(DataType::Int8),
-        Opcode::Lhz | Opcode::Lhzu | Opcode::Lhzux | Opcode::Lhzx => Some(DataType::Int16),
-        Opcode::Lha | Opcode::Lhau | Opcode::Lhaux | Opcode::Lhax => Some(DataType::Int16),
-        Opcode::Lwz | Opcode::Lwzu | Opcode::Lwzux | Opcode::Lwzx => Some(DataType::Int32),
-        Opcode::Lfs | Opcode::Lfsu | Opcode::Lfsux | Opcode::Lfsx => Some(DataType::Float),
-        Opcode::Lfd | Opcode::Lfdu | Opcode::Lfdux | Opcode::Lfdx => Some(DataType::Double),
-
-        Opcode::Stb | Opcode::Stbu | Opcode::Stbux | Opcode::Stbx => Some(DataType::Int8),
-        Opcode::Sth | Opcode::Sthu | Opcode::Sthux | Opcode::Sthx => Some(DataType::Int16),
-        Opcode::Stw | Opcode::Stwu | Opcode::Stwux | Opcode::Stwx => Some(DataType::Int32),
-        Opcode::Stfs | Opcode::Stfsu | Opcode::Stfsux | Opcode::Stfsx => Some(DataType::Float),
-        Opcode::Stfd | Opcode::Stfdu | Opcode::Stfdux | Opcode::Stfdx => Some(DataType::Double),
-        _ => None,
-    }
-}
-
 #[derive(Debug)]
 struct PoolReference {
-    addr_src_gpr: ppc750cl::GPR,
+    addr_src_gpr: powerpc::GPR,
     addr_offset: i16,
-    addr_dst_gpr: Option<ppc750cl::GPR>,
+    addr_dst_gpr: Option<powerpc::GPR>,
 }
 
 // Given an instruction, check if it could be accessing pooled data at the address in a register.
 // If so, return information pertaining to where the instruction is getting that address from and
 // what it's doing with the address (e.g. copying it into another register, adding an offset, etc).
 fn get_pool_reference_for_inst(
-    opcode: ppc750cl::Opcode,
-    simplified: &ppc750cl::ParsedIns,
+    opcode: powerpc::Opcode,
+    simplified: &powerpc::ParsedIns,
 ) -> Option<PoolReference> {
-    use ppc750cl::{Argument, Opcode};
+    use powerpc::{Argument, Opcode};
     let args = &simplified.args;
-    if guess_data_type_from_load_store_inst_op(opcode).is_some() {
+    if flow_analysis::guess_data_type_from_load_store_inst_op(opcode).is_some() {
         match (args[1], args[2]) {
             (Argument::Offset(offset), Argument::GPR(addr_src_gpr)) => {
                 // e.g. lwz. Immediate offset.
@@ -599,15 +727,15 @@ fn get_pool_reference_for_inst(
 
 // Remove the relocation we're keeping track of in a particular register when an instruction reuses
 // that register to hold some other value, unrelated to pool relocation addresses.
-fn clear_overwritten_gprs(ins: ppc750cl::Ins, gpr_pool_relocs: &mut BTreeMap<u8, Relocation>) {
-    use ppc750cl::{Argument, Arguments, Opcode};
+fn clear_overwritten_gprs(ins: powerpc::Ins, gpr_pool_relocs: &mut BTreeMap<u8, Relocation>) {
+    use powerpc::{Argument, Arguments, Opcode};
     let mut def_args = Arguments::default();
     ins.parse_defs(&mut def_args);
     for arg in def_args {
         if let Argument::GPR(gpr) = arg {
             if ins.op == Opcode::Lmw {
                 // `lmw` overwrites all registers from rd to r31.
-                // ppc750cl only returns rd itself, so we manually clear the rest of them.
+                // powerpc only returns rd itself, so we manually clear the rest of them.
                 for reg in gpr.0..31 {
                     gpr_pool_relocs.remove(&reg);
                 }
@@ -640,6 +768,8 @@ fn make_fake_pool_reloc(
         target_symbol = symbols.iter().position(|s| {
             s.section == Some(section_index)
                 && s.size > 0
+                && !s.flags.contains(SymbolFlag::Hidden)
+                && !s.flags.contains(SymbolFlag::Ignored)
                 && (s.address..s.address + s.size).contains(&target_address)
         })?;
         addend = target_address.checked_sub(symbols[target_symbol].address)? as i64;
@@ -668,7 +798,7 @@ fn make_fake_pool_reloc(
 // and returns a Vec of "fake pool relocations" that simulate what a relocation for that instruction
 // would look like if data hadn't been pooled.
 // This method tries to follow the function's proper control flow. It keeps track of a queue of
-// states it hasn't traversed yet, where each state holds an instruction address and a HashMap of
+// states it hasn't traversed yet, where each state holds an instruction address and a map of
 // which registers hold which pool relocations at that point.
 // When a conditional or unconditional branch is encountered, the destination of the branch is added
 // to the queue. Conditional branches will traverse both the path where the branch is taken and the
@@ -687,12 +817,13 @@ fn generate_fake_pool_relocations_for_function(
     code: &[u8],
     relocations: &[Relocation],
     symbols: &[Symbol],
+    extensions: powerpc::Extensions,
 ) -> Vec<Relocation> {
-    use ppc750cl::{Argument, InsIter, Opcode};
+    use powerpc::{Argument, InsIter, Opcode};
     let mut visited_ins_addrs = BTreeSet::new();
     let mut pool_reloc_for_addr = BTreeMap::new();
     let mut ins_iters_with_gpr_state =
-        vec![(InsIter::new(code, func_address as u32), BTreeMap::new())];
+        vec![(InsIter::new(code, func_address as u32, extensions), BTreeMap::new())];
     let mut gpr_state_at_bctr = BTreeMap::new();
     while let Some((ins_iter, mut gpr_pool_relocs)) = ins_iters_with_gpr_state.pop() {
         for (cur_addr, ins) in ins_iter {
@@ -724,7 +855,7 @@ fn generate_fake_pool_relocations_for_function(
                             // Conditional branch.
                             // Add the branch destination to the queue to do later.
                             ins_iters_with_gpr_state.push((
-                                InsIter::new(dest_code_slice, branch_dest),
+                                InsIter::new(dest_code_slice, branch_dest, extensions),
                                 gpr_pool_relocs.clone(),
                             ));
                             // Then continue on with the current iterator.
@@ -734,7 +865,7 @@ fn generate_fake_pool_relocations_for_function(
                                 // Unconditional branch.
                                 // Add the branch destination to the queue.
                                 ins_iters_with_gpr_state.push((
-                                    InsIter::new(dest_code_slice, branch_dest),
+                                    InsIter::new(dest_code_slice, branch_dest, extensions),
                                     gpr_pool_relocs.clone(),
                                 ));
                                 // Break out of the current iterator so we can do the newly added one.
@@ -842,7 +973,7 @@ fn generate_fake_pool_relocations_for_function(
                     let dest_offset_into_func = unseen_addr - func_address as u32;
                     let dest_code_slice = &code[dest_offset_into_func as usize..];
                     ins_iters_with_gpr_state.push((
-                        InsIter::new(dest_code_slice, unseen_addr),
+                        InsIter::new(dest_code_slice, unseen_addr, extensions),
                         gpr_pool_relocs.clone(),
                     ));
                     break;

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

@@ -197,7 +197,7 @@ fn match_ni_f(
         }
         _ => {
             parts.push(InstructionPart::basic(".word 0x"));
-            parts.push(InstructionPart::basic(format!("{:04X}", op)));
+            parts.push(InstructionPart::basic(format!("{op:04X}")));
             parts.push(InstructionPart::basic(" /* unknown instruction */"));
         }
     }

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

@@ -1,6 +1,6 @@
 use alloc::{collections::BTreeMap, format, string::String, vec, vec::Vec};
 
-use anyhow::{Result, bail};
+use anyhow::Result;
 use object::elf;
 
 use crate::{
@@ -109,7 +109,7 @@ impl Arch for ArchSuperH {
                     );
                     parts.push(InstructionPart::basic(" /* "));
                     parts.push(InstructionPart::basic("0x"));
-                    parts.push(InstructionPart::basic(format!("{:04X}", data)));
+                    parts.push(InstructionPart::basic(format!("{data:04X}")));
                     parts.push(InstructionPart::basic(" */"));
                 } else if value.size == 4 && value.address as usize + 3 < symbol_data.len() {
                     let data = u32::from_be_bytes(
@@ -119,7 +119,7 @@ impl Arch for ArchSuperH {
                     );
                     parts.push(InstructionPart::basic(" /* "));
                     parts.push(InstructionPart::basic("0x"));
-                    parts.push(InstructionPart::basic(format!("{:08X}", data)));
+                    parts.push(InstructionPart::basic(format!("{data:08X}")));
                     parts.push(InstructionPart::basic(" */"));
                 }
             }
@@ -132,17 +132,6 @@ impl Arch for ArchSuperH {
         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()
@@ -214,10 +203,10 @@ mod test {
     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, ", "),
+                InstructionPart::Basic(s) => f.write_str(s),
+                InstructionPart::Opcode(s, _o) => write!(f, "{s} "),
+                InstructionPart::Arg(arg) => write!(f, "{arg}"),
+                InstructionPart::Separator => f.write_str(", "),
             }
         }
     }
@@ -225,9 +214,9 @@ mod test {
     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"),
+                InstructionArg::Value(v) => write!(f, "{v}"),
+                InstructionArg::BranchDest(v) => write!(f, "{v}"),
+                InstructionArg::Reloc => f.write_str("reloc"),
             }
         }
     }
@@ -264,7 +253,7 @@ mod test {
             )
             .unwrap();
 
-            let joined_str: String = parts.iter().map(|part| format!("{}", part)).collect();
+            let joined_str: String = parts.iter().map(<_>::to_string).collect();
             assert_eq!(joined_str, expected_str.to_string());
         }
     }
@@ -342,7 +331,7 @@ mod test {
             )
             .unwrap();
 
-            let joined_str: String = parts.iter().map(|part| format!("{}", part)).collect();
+            let joined_str: String = parts.iter().map(<_>::to_string).collect();
             assert_eq!(joined_str, expected_str.to_string());
         }
     }
@@ -425,7 +414,7 @@ mod test {
             )
             .unwrap();
 
-            let joined_str: String = parts.iter().map(|part| format!("{}", part)).collect();
+            let joined_str: String = parts.iter().map(<_>::to_string).collect();
             assert_eq!(joined_str, expected_str.to_string());
         }
     }
@@ -462,7 +451,7 @@ mod test {
             )
             .unwrap();
 
-            let joined_str: String = parts.iter().map(|part| format!("{}", part)).collect();
+            let joined_str: String = parts.iter().map(<_>::to_string).collect();
             assert_eq!(joined_str, expected_str.to_string());
         }
     }
@@ -516,7 +505,7 @@ mod test {
             )
             .unwrap();
 
-            let joined_str: String = parts.iter().map(|part| format!("{}", part)).collect();
+            let joined_str: String = parts.iter().map(<_>::to_string).collect();
             assert_eq!(joined_str, expected_str.to_string());
         }
     }
@@ -557,7 +546,7 @@ mod test {
             )
             .unwrap();
 
-            let joined_str: String = parts.iter().map(|part| format!("{}", part)).collect();
+            let joined_str: String = parts.iter().map(<_>::to_string).collect();
             assert_eq!(joined_str, expected_str.to_string());
         }
     }
@@ -601,7 +590,7 @@ mod test {
             )
             .unwrap();
 
-            let joined_str: String = parts.iter().map(|part| format!("{}", part)).collect();
+            let joined_str: String = parts.iter().map(<_>::to_string).collect();
             assert_eq!(joined_str, expected_str.to_string());
         }
     }
@@ -645,7 +634,7 @@ mod test {
             )
             .unwrap();
 
-            let joined_str: String = parts.iter().map(|part| format!("{}", part)).collect();
+            let joined_str: String = parts.iter().map(<_>::to_string).collect();
             assert_eq!(joined_str, expected_str.to_string());
         }
     }
@@ -682,7 +671,7 @@ mod test {
             )
             .unwrap();
 
-            let joined_str: String = parts.iter().map(|part| format!("{}", part)).collect();
+            let joined_str: String = parts.iter().map(<_>::to_string).collect();
             assert_eq!(joined_str, expected_str.to_string());
         }
     }
@@ -716,7 +705,7 @@ mod test {
             )
             .unwrap();
 
-            let joined_str: String = parts.iter().map(|part| format!("{}", part)).collect();
+            let joined_str: String = parts.iter().map(<_>::to_string).collect();
             assert_eq!(joined_str, expected_str.to_string());
         }
     }
@@ -764,7 +753,7 @@ mod test {
             )
             .unwrap();
 
-            let joined_str: String = parts.iter().map(|part| format!("{}", part)).collect();
+            let joined_str: String = parts.iter().map(<_>::to_string).collect();
             assert_eq!(joined_str, expected_str.to_string());
         }
     }
@@ -814,7 +803,7 @@ mod test {
             )
             .unwrap();
 
-            let joined_str: String = parts.iter().map(|part| format!("{}", part)).collect();
+            let joined_str: String = parts.iter().map(<_>::to_string).collect();
             assert_eq!(joined_str, expected_str.to_string());
         }
     }

objdiff-core/src/arch/x86.rs

@@ -6,10 +6,10 @@ 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,
+    arch::{Arch, RelocationOverride, RelocationOverrideTarget},
     diff::{DiffObjConfig, X86Formatter, display::InstructionPart},
     obj::{InstructionRef, Relocation, RelocationFlags, ResolvedInstructionRef},
 };
@@ -67,7 +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 {
@@ -75,7 +79,11 @@ 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,
+                },
             },
         }
     }
@@ -217,37 +225,47 @@ impl Arch for ArchX86 {
         Ok(())
     }
 
-    fn implcit_addend(
+    fn relocation_override(
         &self,
         _file: &object::File<'_>,
         section: &object::Section,
         address: u64,
-        _relocation: &object::Relocation,
-        flags: RelocationFlags,
-    ) -> Result<i64> {
-        match self.arch {
-            Architecture::X86 => match flags {
-                RelocationFlags::Coff(pe::IMAGE_REL_I386_DIR32 | pe::IMAGE_REL_I386_REL32) => {
+        relocation: &object::Relocation,
+    ) -> Result<Option<RelocationOverride>> {
+        if !relocation.has_implicit_addend() {
+            return Ok(None);
+        }
+        let addend = match self.arch {
+            Architecture::X86 => match relocation.flags() {
+                object::RelocationFlags::Coff {
+                    typ: pe::IMAGE_REL_I386_DIR32 | pe::IMAGE_REL_I386_REL32,
+                }
+                | object::RelocationFlags::Elf { r_type: 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)
+                    self.endianness.read_i32_bytes(data) as i64
                 }
                 flags => bail!("Unsupported x86 implicit relocation {flags:?}"),
             },
-            Architecture::X86_64 => match flags {
-                RelocationFlags::Coff(pe::IMAGE_REL_AMD64_ADDR32NB | pe::IMAGE_REL_AMD64_REL32) => {
+            Architecture::X86_64 => match relocation.flags() {
+                object::RelocationFlags::Coff {
+                    typ: pe::IMAGE_REL_AMD64_ADDR32NB | pe::IMAGE_REL_AMD64_REL32,
+                }
+                | object::RelocationFlags::Elf { r_type: 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)
+                    self.endianness.read_i32_bytes(data) as i64
                 }
-                RelocationFlags::Coff(pe::IMAGE_REL_AMD64_ADDR64) => {
+                object::RelocationFlags::Coff { typ: pe::IMAGE_REL_AMD64_ADDR64 }
+                | object::RelocationFlags::Elf { r_type: 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))
+                    self.endianness.read_i64_bytes(data)
                 }
                 flags => bail!("Unsupported x86-64 implicit relocation {flags:?}"),
             },
-        }
+        };
+        Ok(Some(RelocationOverride { target: RelocationOverrideTarget::Keep, addend }))
     }
 
     fn demangle(&self, name: &str) -> Option<String> {

objdiff-core/src/bindings/report.rs

@@ -442,7 +442,7 @@ impl From<LegacyReportItem> for ReportItem {
 #[cfg(feature = "serde")]
 fn serialize_hex<S>(x: &Option<u64>, s: S) -> Result<S::Ok, S::Error>
 where S: serde::Serializer {
-    if let Some(x) = x { s.serialize_str(&format!("{:#x}", x)) } else { s.serialize_none() }
+    if let Some(x) = x { s.serialize_str(&format!("{x:#x}")) } else { s.serialize_none() }
 }
 
 #[cfg(feature = "serde")]

objdiff-core/src/diff/code.rs

@@ -325,12 +325,11 @@ fn reloc_eq(
                     || 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,
     }
 }
 

objdiff-core/src/diff/display.rs

@@ -14,8 +14,9 @@ use regex::Regex;
 use crate::{
     diff::{DiffObjConfig, InstructionDiffKind, InstructionDiffRow, ObjectDiff, SymbolDiff},
     obj::{
-        InstructionArg, InstructionArgValue, Object, ParsedInstruction, ResolvedInstructionRef,
-        ResolvedRelocation, SectionFlag, SectionKind, Symbol, SymbolFlag, SymbolKind,
+        FlowAnalysisValue, InstructionArg, InstructionArgValue, Object, ParsedInstruction,
+        ResolvedInstructionRef, ResolvedRelocation, SectionFlag, SectionKind, Symbol, SymbolFlag,
+        SymbolKind,
     },
 };
 
@@ -47,11 +48,12 @@ pub enum DiffText<'a> {
 pub enum DiffTextColor {
     #[default]
     Normal, // Grey
-    Dim,     // Dark grey
-    Bright,  // White
-    Replace, // Blue
-    Delete,  // Red
-    Insert,  // Green
+    Dim,      // Dark grey
+    Bright,   // White
+    DataFlow, // Light blue
+    Replace,  // Blue
+    Delete,   // Red
+    Insert,   // Green
     Rotating(u8),
 }
 
@@ -77,7 +79,7 @@ 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,
@@ -186,6 +188,11 @@ pub fn display_row(
     }
     let mut arg_idx = 0;
     let mut displayed_relocation = false;
+    let analysis_result = if diff_config.show_data_flow {
+        obj.get_flow_analysis_result(resolved.symbol)
+    } else {
+        None
+    };
     obj.arch.display_instruction(resolved, diff_config, &mut |part| match part {
         InstructionPart::Basic(text) => {
             if text.chars().all(|c| c == ' ') {
@@ -208,15 +215,30 @@ pub fn display_row(
             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
+            let data_flow_value =
+            analysis_result.and_then(|result|
+                result.get_argument_value_at_address(
+                    ins_ref.address, (arg_idx - 1) as u8));
+            match (arg, data_flow_value, resolved.ins_ref.branch_dest) {
+                // If we have a flow analysis result, always use that over anything else.
+                (InstructionArg::Value(_) | InstructionArg::Reloc, Some(FlowAnalysisValue::Text(text)), _) => {
+                    cb(DiffTextSegment {
+                        text: DiffText::Argument(InstructionArgValue::Opaque(Cow::Borrowed(text))),
+                        color: DiffTextColor::DataFlow,
+                        pad_to: 0,
+                    })
+                },
+                (InstructionArg::Value(value), None, _) => {
+                    let color = diff_index
                         .get()
-                        .map_or(base_color, |i| DiffTextColor::Rotating(i as u8)),
-                    pad_to: 0,
-                }),
-                (InstructionArg::Reloc, None) => {
+                        .map_or(base_color, |i| DiffTextColor::Rotating(i as u8));
+                    cb(DiffTextSegment {
+                        text: DiffText::Argument(value),
+                        color,
+                        pad_to: 0,
+                    })
+                },
+                (InstructionArg::Reloc, _, None) => {
                     let resolved = resolved.relocation.unwrap();
                     let color = diff_index
                         .get()
@@ -235,9 +257,9 @@ 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))  => {
+                (InstructionArg::Reloc, _, Some(dest))  => {
                     if let Some(addr) = dest.checked_sub(resolved.symbol.address) {
                         cb(DiffTextSegment {
                             text: DiffText::BranchDest(addr),
@@ -288,6 +310,18 @@ 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) {
@@ -354,7 +388,7 @@ pub fn symbol_context(obj: &Object, symbol_index: usize) -> Vec<ContextItem> {
     if symbol.section.is_some() {
         if let Some(address) = symbol.virtual_address {
             out.push(ContextItem::Copy {
-                value: format!("{:x}", address),
+                value: format!("{address:x}"),
                 label: Some("virtual address".to_string()),
             });
         }
@@ -371,7 +405,7 @@ pub fn symbol_hover(
 ) -> Vec<HoverItem> {
     let symbol = &obj.symbols[symbol_index];
     let addend_str = match addend.cmp(&0i64) {
-        Ordering::Greater => format!("+{:x}", addend),
+        Ordering::Greater => format!("+{addend:x}"),
         Ordering::Less => format!("-{:x}", -addend),
         _ => String::new(),
     };
@@ -422,7 +456,7 @@ pub fn symbol_hover(
         if let Some(address) = symbol.virtual_address {
             out.push(HoverItem::Text {
                 label: "Virtual address".into(),
-                value: format!("{:x}", address),
+                value: format!("{address:x}"),
                 color: override_color.clone().unwrap_or(HoverItemColor::Special),
             });
         }
@@ -492,7 +526,7 @@ pub fn instruction_context(
     let mut out = Vec::new();
     let mut hex_string = String::new();
     for byte in resolved.code {
-        hex_string.push_str(&format!("{:02x}", byte));
+        hex_string.push_str(&format!("{byte:02x}"));
     }
     out.push(ContextItem::Copy { value: hex_string, label: Some("instruction bytes".to_string()) });
     out.append(&mut obj.arch.instruction_context(obj, resolved));
@@ -575,7 +609,7 @@ pub fn instruction_hover(
                 out.push(HoverItem::Separator);
                 for (literal, label_override) in literals {
                     out.push(HoverItem::Text {
-                        label: label_override.unwrap_or_else(|| format!("{}", ty)),
+                        label: label_override.unwrap_or_else(|| ty.to_string()),
                         value: literal,
                         color: HoverItemColor::Normal,
                     });
@@ -604,7 +638,9 @@ fn symbol_matches_filter(
         return false;
     }
     if !show_hidden_symbols
-        && (symbol.size == 0 || symbol.flags.contains(SymbolFlag::Hidden | SymbolFlag::Ignored))
+        && (symbol.size == 0
+            || symbol.flags.contains(SymbolFlag::Hidden)
+            || symbol.flags.contains(SymbolFlag::Ignored))
     {
         return false;
     }

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) {
@@ -487,11 +506,7 @@ fn apply_symbol_mappings(
             .map_or(SectionKind::Unknown, |s| s.kind);
         if left_section_kind != right_section_kind {
             log::warn!(
-                "Symbol section kind mismatch: {} ({:?}) vs {} ({:?})",
-                left_name,
-                left_section_kind,
-                right_name,
-                right_section_kind
+                "Symbol section kind mismatch: {left_name} ({left_section_kind:?}) vs {right_name} ({right_section_kind:?})"
             );
             continue;
         }

objdiff-core/src/jobs/objdiff.rs

@@ -79,7 +79,7 @@ fn run_build(
         Some(target_path_rel) if config.build_target => {
             update_status(
                 context,
-                format!("Building target {}", target_path_rel),
+                format!("Building target {target_path_rel}"),
                 step_idx,
                 total,
                 &cancel,
@@ -94,7 +94,7 @@ fn run_build(
         Some(base_path_rel) if config.build_base => {
             update_status(
                 context,
-                format!("Building base {}", base_path_rel),
+                format!("Building base {base_path_rel}"),
                 step_idx,
                 total,
                 &cancel,
@@ -111,7 +111,7 @@ fn run_build(
         Some(target_path) if first_status.success => {
             update_status(
                 context,
-                format!("Loading target {}", target_path),
+                format!("Loading target {target_path}"),
                 step_idx,
                 total,
                 &cancel,
@@ -122,8 +122,8 @@ fn run_build(
                 Err(e) => {
                     first_status = BuildStatus {
                         success: false,
-                        stdout: format!("Loading object '{}'", target_path),
-                        stderr: format!("{:#}", e),
+                        stdout: format!("Loading object '{target_path}'"),
+                        stderr: format!("{e:#}"),
                         ..Default::default()
                     };
                     None
@@ -139,21 +139,15 @@ fn run_build(
 
     let second_obj = match &config.base_path {
         Some(base_path) if second_status.success => {
-            update_status(
-                context,
-                format!("Loading base {}", base_path),
-                step_idx,
-                total,
-                &cancel,
-            )?;
+            update_status(context, format!("Loading base {base_path}"), step_idx, total, &cancel)?;
             step_idx += 1;
             match read::read(base_path.as_ref(), &config.diff_obj_config) {
                 Ok(obj) => Some(obj),
                 Err(e) => {
                     second_status = BuildStatus {
                         success: false,
-                        stdout: format!("Loading object '{}'", base_path),
-                        stderr: format!("{:#}", e),
+                        stdout: format!("Loading object '{base_path}'"),
+                        stderr: format!("{e:#}"),
                         ..Default::default()
                     };
                     None

objdiff-core/src/obj/mod.rs

@@ -114,11 +114,21 @@ impl Section {
         ins_ref: InstructionRef,
     ) -> Option<ResolvedRelocation<'obj>> {
         match self.relocations.binary_search_by_key(&ins_ref.address, |r| r.address) {
-            Ok(i) => self.relocations.get(i),
+            Ok(mut i) => {
+                // Find the first relocation at the address
+                while i
+                    .checked_sub(1)
+                    .and_then(|n| self.relocations.get(n))
+                    .is_some_and(|r| r.address == ins_ref.address)
+                {
+                    i -= 1;
+                }
+                self.relocations.get(i)
+            }
             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)?;
@@ -169,8 +179,8 @@ impl fmt::Display for InstructionArgValue<'_> {
     fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
         match self {
             InstructionArgValue::Signed(v) => write!(f, "{:#x}", ReallySigned(*v)),
-            InstructionArgValue::Unsigned(v) => write!(f, "{:#x}", v),
-            InstructionArgValue::Opaque(v) => write!(f, "{}", v),
+            InstructionArgValue::Unsigned(v) => write!(f, "{v:#x}"),
+            InstructionArgValue::Opaque(v) => write!(f, "{v}"),
         }
     }
 }
@@ -233,6 +243,19 @@ pub enum SymbolKind {
     Section,
 }
 
+#[derive(Debug)]
+pub enum FlowAnalysisValue {
+    Text(String),
+}
+
+pub trait FlowAnalysisResult: core::fmt::Debug + Send {
+    fn get_argument_value_at_address(
+        &self,
+        address: u64,
+        argument: u8,
+    ) -> Option<&FlowAnalysisValue>;
+}
+
 #[derive(Debug, Clone, Eq, PartialEq, Hash, Default)]
 pub struct Symbol {
     pub name: String,
@@ -260,6 +283,7 @@ pub struct Object {
     pub path: Option<std::path::PathBuf>,
     #[cfg(feature = "std")]
     pub timestamp: Option<filetime::FileTime>,
+    pub flow_analysis_results: BTreeMap<u64, Box<dyn FlowAnalysisResult>>,
 }
 
 impl Default for Object {
@@ -274,6 +298,7 @@ impl Default for Object {
             path: None,
             #[cfg(feature = "std")]
             timestamp: None,
+            flow_analysis_results: BTreeMap::<u64, Box<dyn FlowAnalysisResult>>::new(),
         }
     }
 }
@@ -283,7 +308,7 @@ impl Object {
         &self,
         symbol_index: usize,
         ins_ref: InstructionRef,
-    ) -> Option<ResolvedInstructionRef> {
+    ) -> Option<ResolvedInstructionRef<'_>> {
         let symbol = self.symbols.get(symbol_index)?;
         let section_index = symbol.section?;
         let section = self.sections.get(section_index)?;
@@ -308,6 +333,26 @@ 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)
+    }
+
+    pub fn get_flow_analysis_result(&self, symbol: &Symbol) -> Option<&dyn FlowAnalysisResult> {
+        let key = symbol.section.unwrap_or_default() as u64 * 1024 * 1024 * 1024 + symbol.address;
+        self.flow_analysis_results.get(&key).map(|result| result.as_ref())
+    }
+
+    pub fn add_flow_analysis_result(
+        &mut self,
+        symbol: &Symbol,
+        result: Box<dyn FlowAnalysisResult>,
+    ) {
+        let key = symbol.section.unwrap_or_default() as u64 * 1024 * 1024 * 1024 + symbol.address;
+        self.flow_analysis_results.insert(key, result);
+    }
+
+    pub fn has_flow_analysis_result(&self) -> bool { !self.flow_analysis_results.is_empty() }
 }
 
 #[derive(Debug, Clone, Eq, PartialEq, Hash)]

objdiff-core/src/obj/read.rs

@@ -1,4 +1,5 @@
 use alloc::{
+    boxed::Box,
     collections::BTreeMap,
     format,
     string::{String, ToString},
@@ -10,11 +11,11 @@ use anyhow::{Context, Result, anyhow, bail, ensure};
 use object::{Object as _, ObjectSection as _, ObjectSymbol as _};
 
 use crate::{
-    arch::{Arch, new_arch},
+    arch::{Arch, RelocationOverride, RelocationOverrideTarget, new_arch},
     diff::DiffObjConfig,
     obj::{
-        Object, Relocation, RelocationFlags, Section, SectionData, SectionFlag, SectionKind,
-        Symbol, SymbolFlag, SymbolKind,
+        FlowAnalysisResult, Object, Relocation, RelocationFlags, Section, SectionData, SectionFlag,
+        SectionKind, Symbol, SymbolFlag, SymbolKind,
         split_meta::{SPLITMETA_SECTION, SplitMeta},
     },
     util::{align_data_slice_to, align_u64_to, read_u16, read_u32},
@@ -23,8 +24,13 @@ use crate::{
 fn map_section_kind(section: &object::Section) -> SectionKind {
     match section.kind() {
         object::SectionKind::Text => SectionKind::Code,
-        object::SectionKind::Data | object::SectionKind::ReadOnlyData => SectionKind::Data,
-        object::SectionKind::UninitializedData => SectionKind::Bss,
+        object::SectionKind::Data
+        | object::SectionKind::ReadOnlyData
+        | object::SectionKind::ReadOnlyString
+        | object::SectionKind::Tls => SectionKind::Data,
+        object::SectionKind::UninitializedData
+        | object::SectionKind::UninitializedTls
+        | object::SectionKind::Common => SectionKind::Bss,
         _ => SectionKind::Unknown,
     }
 }
@@ -42,7 +48,7 @@ fn map_symbol(
         (symbol.kind(), symbol.section_index().and_then(|i| file.section_by_index(i).ok()))
     {
         let section_name = section.name().context("Failed to process section name")?;
-        name = format!("[{}]", section_name);
+        name = format!("[{section_name}]");
         // For section symbols, set the size to zero. If the size is non-zero, it will be included
         // in the diff. Most of the time, this is duplicative, given that we'll have function or
         // object symbols that cover the same range. In the case of an empty section, the size
@@ -121,6 +127,15 @@ 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 +182,28 @@ 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];
@@ -242,7 +258,7 @@ fn map_sections(
         });
 
         let unique_id = section_names.entry(name.to_string()).or_insert(0);
-        let id = format!("{}-{}", name, unique_id);
+        let id = format!("{name}-{unique_id}");
         *unique_id += 1;
 
         if section_indices.len() <= section.index().0 {
@@ -318,60 +334,125 @@ fn map_section_relocations(
 ) -> Result<Vec<Relocation>> {
     let mut relocations = Vec::<Relocation>::with_capacity(obj_section.relocations().count());
     for (address, reloc) in obj_section.relocations() {
-        let flags = match reloc.flags() {
-            object::RelocationFlags::Elf { r_type } => RelocationFlags::Elf(r_type),
-            object::RelocationFlags::Coff { typ } => RelocationFlags::Coff(typ),
-            flags => {
-                bail!("Unhandled relocation flags: {:?}", flags);
+        let mut target_reloc = RelocationOverride {
+            target: match reloc.target() {
+                object::RelocationTarget::Symbol(symbol) => {
+                    RelocationOverrideTarget::Symbol(symbol)
+                }
+                object::RelocationTarget::Section(section) => {
+                    RelocationOverrideTarget::Section(section)
+                }
+                _ => RelocationOverrideTarget::Skip,
+            },
+            addend: reloc.addend(),
+        };
+
+        // Allow the architecture to override the relocation target and addend
+        match arch.relocation_override(obj_file, obj_section, address, &reloc)? {
+            Some(reloc_override) => {
+                match reloc_override.target {
+                    RelocationOverrideTarget::Keep => {}
+                    target => {
+                        target_reloc.target = target;
+                    }
+                }
+                target_reloc.addend = reloc_override.addend;
             }
-        };
-        // TODO validate reloc here?
-        let mut addend = if reloc.has_implicit_addend() {
-            arch.implcit_addend(obj_file, obj_section, address, &reloc, flags)?
-        } else {
-            reloc.addend()
-        };
-        let target_symbol = match reloc.target() {
-            object::RelocationTarget::Symbol(idx) => {
-                if idx.0 == u32::MAX as usize {
-                    // ???
+            None => {
+                ensure!(
+                    !reloc.has_implicit_addend(),
+                    "Unsupported implicit relocation {:?}",
+                    reloc.flags()
+                );
+            }
+        }
+
+        // Resolve the relocation target symbol
+        let (symbol_index, addend) = match target_reloc.target {
+            RelocationOverrideTarget::Keep => unreachable!(),
+            RelocationOverrideTarget::Skip => continue,
+            RelocationOverrideTarget::Symbol(symbol_index) => {
+                // Sometimes used to indicate "absolute"
+                if symbol_index.0 == u32::MAX as usize {
                     continue;
                 }
+
                 // If the target is a section symbol, try to resolve a better symbol as the target
-                let idx = if let Some(section_symbol) = obj_file
-                    .symbol_by_index(idx)
+                if let Some(section_symbol) = obj_file
+                    .symbol_by_index(symbol_index)
                     .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")?;
-                    let target_address = section_symbol.address().wrapping_add_signed(addend);
+                    let target_address =
+                        section_symbol.address().wrapping_add_signed(target_reloc.addend);
                     if let Some((new_idx, addr)) = ordered_symbols
                         .get(section_index.0)
                         .and_then(|symbols| best_symbol(symbols, target_address))
                     {
-                        addend = target_address.wrapping_sub(addr) as i64;
-                        new_idx
+                        (new_idx, target_address.wrapping_sub(addr) as i64)
                     } else {
-                        idx
+                        (symbol_index, target_reloc.addend)
                     }
                 } else {
-                    idx
-                };
-                match symbol_indices.get(idx.0).copied() {
-                    Some(i) => i,
-                    None => {
-                        log::warn!("Invalid symbol index {}", idx.0);
-                        continue;
-                    }
+                    (symbol_index, target_reloc.addend)
                 }
             }
-            object::RelocationTarget::Absolute => {
-                let section_name = obj_section.name()?;
-                log::warn!("Ignoring absolute relocation @ {}:{:#x}", section_name, address);
+            RelocationOverrideTarget::Section(section_index) => {
+                let section = match obj_file.section_by_index(section_index) {
+                    Ok(section) => section,
+                    Err(e) => {
+                        log::warn!("Invalid relocation section: {e}");
+                        continue;
+                    }
+                };
+                let Ok(target_address) = u64::try_from(target_reloc.addend) else {
+                    log::warn!(
+                        "Negative section relocation addend: {}{}",
+                        section.name()?,
+                        target_reloc.addend
+                    );
+                    continue;
+                };
+                let Some(symbols) = ordered_symbols.get(section_index.0) else {
+                    log::warn!(
+                        "Couldn't resolve relocation target symbol for section {} (no symbols)",
+                        section.name()?
+                    );
+                    continue;
+                };
+                // Attempt to resolve a target symbol for the relocation
+                if let Some((new_idx, addr)) = best_symbol(symbols, target_address) {
+                    (new_idx, target_address.wrapping_sub(addr) as i64)
+                } else if let Some(section_symbol) =
+                    symbols.iter().find(|s| s.kind() == object::SymbolKind::Section)
+                {
+                    (
+                        section_symbol.index(),
+                        target_address.wrapping_sub(section_symbol.address()) as i64,
+                    )
+                } else {
+                    log::warn!(
+                        "Couldn't resolve relocation target symbol for section {}",
+                        section.name()?
+                    );
+                    continue;
+                }
+            }
+        };
+
+        let flags = match reloc.flags() {
+            object::RelocationFlags::Elf { r_type } => RelocationFlags::Elf(r_type),
+            object::RelocationFlags::Coff { typ } => RelocationFlags::Coff(typ),
+            flags => bail!("Unhandled relocation flags: {:?}", flags),
+        };
+        let target_symbol = match symbol_indices.get(symbol_index.0).copied() {
+            Some(i) => i,
+            None => {
+                log::warn!("Invalid symbol index {}", symbol_index.0);
                 continue;
             }
-            _ => bail!("Unhandled relocation target: {:?}", reloc.target()),
         };
         relocations.push(Relocation { address, flags, target_symbol, addend });
     }
@@ -422,17 +503,19 @@ fn map_relocations(
     Ok(())
 }
 
-fn calculate_pooled_relocations(
-    arch: &dyn Arch,
-    sections: &mut [Section],
-    symbols: &[Symbol],
-) -> Result<()> {
-    for (section_index, section) in sections.iter_mut().enumerate() {
+fn perform_data_flow_analysis(obj: &mut Object, config: &DiffObjConfig) -> Result<()> {
+    // If neither of these settings are on, no flow analysis to perform
+    if !config.analyze_data_flow && !config.ppc_calculate_pool_relocations {
+        return Ok(());
+    }
+
+    let mut generated_relocations = Vec::<(usize, Vec<Relocation>)>::new();
+    let mut generated_flow_results = Vec::<(Symbol, Box<dyn FlowAnalysisResult>)>::new();
+    for (section_index, section) in obj.sections.iter().enumerate() {
         if section.kind != SectionKind::Code {
             continue;
         }
-        let mut fake_pool_relocs = Vec::new();
-        for symbol in symbols {
+        for symbol in obj.symbols.iter() {
             if symbol.section != Some(section_index) {
                 continue;
             }
@@ -447,14 +530,37 @@ fn calculate_pooled_relocations(
                         symbol.address + symbol.size
                     )
                 })?;
-            fake_pool_relocs.append(&mut arch.generate_pooled_relocations(
-                symbol.address,
-                code,
-                &section.relocations,
-                symbols,
-            ));
+
+            // Optional pooled relocation computation
+            // Long view: This could be replaced by the full data flow analysis
+            // once that feature has stabilized.
+            if config.ppc_calculate_pool_relocations {
+                let relocations = obj.arch.generate_pooled_relocations(
+                    symbol.address,
+                    code,
+                    &section.relocations,
+                    &obj.symbols,
+                );
+                generated_relocations.push((section_index, relocations));
+            }
+
+            // Optional full data flow analysis
+            if config.analyze_data_flow {
+                if let Some(flow_result) =
+                    obj.arch.data_flow_analysis(obj, symbol, code, &section.relocations)
+                {
+                    generated_flow_results.push((symbol.clone(), flow_result));
+                }
+            }
         }
-        section.relocations.append(&mut fake_pool_relocs);
+    }
+    for (symbol, flow_result) in generated_flow_results {
+        obj.add_flow_analysis_result(&symbol, flow_result);
+    }
+    for (section_index, mut relocations) in generated_relocations {
+        obj.sections[section_index].relocations.append(&mut relocations);
+    }
+    for section in obj.sections.iter_mut() {
         section.relocations.sort_by_key(|r| r.address);
     }
     Ok(())
@@ -487,7 +593,7 @@ fn parse_line_info(
                 let line_number = read_u32(obj_file, &mut section_data)?;
                 let statement_pos = read_u16(obj_file, &mut section_data)?;
                 if statement_pos != 0xFFFF {
-                    log::warn!("Unhandled statement pos {}", statement_pos);
+                    log::warn!("Unhandled statement pos {statement_pos}");
                 }
                 let address_delta = read_u32(obj_file, &mut section_data)? as u64;
                 out_section.line_info.insert(base_address + address_delta, line_number);
@@ -855,15 +961,12 @@ pub fn parse(data: &[u8], config: &DiffObjConfig) -> Result<Object> {
     let (mut symbols, symbol_indices) =
         map_symbols(arch.as_ref(), &obj_file, &sections, &section_indices, split_meta.as_ref())?;
     map_relocations(arch.as_ref(), &obj_file, &mut sections, &section_indices, &symbol_indices)?;
-    if config.ppc_calculate_pool_relocations {
-        calculate_pooled_relocations(arch.as_ref(), &mut sections, &symbols)?;
-    }
     parse_line_info(&obj_file, &mut sections, &section_indices, data)?;
     if config.combine_data_sections || config.combine_text_sections {
         combine_sections(&mut sections, &mut symbols, config)?;
     }
     arch.post_init(&sections, &symbols);
-    Ok(Object {
+    let mut obj = Object {
         arch,
         endianness: obj_file.endianness(),
         symbols,
@@ -873,7 +976,14 @@ pub fn parse(data: &[u8], config: &DiffObjConfig) -> Result<Object> {
         path: None,
         #[cfg(feature = "std")]
         timestamp: None,
-    })
+        flow_analysis_results: Default::default(),
+    };
+
+    // Need to construct the obj first so that we have a convinient package to
+    // pass to flow analysis. Then the flow analysis will mutate obj adding
+    // additional data to it.
+    perform_data_flow_analysis(&mut obj, config)?;
+    Ok(obj)
 }
 
 #[cfg(feature = "std")]

objdiff-core/src/util.rs

@@ -59,3 +59,33 @@ pub fn align_u64_to(len: u64, align: u64) -> u64 { len + ((align - (len % 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);
 }
+
+// Float where we specifically care about comparing the raw bits rather than
+// caring about IEEE semantics.
+#[derive(Copy, Clone, Debug)]
+pub struct RawFloat(pub f32);
+impl PartialEq for RawFloat {
+    fn eq(&self, other: &Self) -> bool { self.0.to_bits() == other.0.to_bits() }
+}
+impl Eq for RawFloat {}
+impl Ord for RawFloat {
+    fn cmp(&self, other: &Self) -> core::cmp::Ordering { self.0.to_bits().cmp(&other.0.to_bits()) }
+}
+impl PartialOrd for RawFloat {
+    fn partial_cmp(&self, other: &Self) -> Option<core::cmp::Ordering> { Some(self.cmp(other)) }
+}
+
+// Double where we specifically care about comparing the raw bits rather than
+// caring about IEEE semantics.
+#[derive(Copy, Clone, Debug)]
+pub struct RawDouble(pub f64);
+impl PartialEq for RawDouble {
+    fn eq(&self, other: &Self) -> bool { self.0.to_bits() == other.0.to_bits() }
+}
+impl Eq for RawDouble {}
+impl Ord for RawDouble {
+    fn cmp(&self, other: &Self) -> core::cmp::Ordering { self.0.to_bits().cmp(&other.0.to_bits()) }
+}
+impl PartialOrd for RawDouble {
+    fn partial_cmp(&self, other: &Self) -> Option<core::cmp::Ordering> { Some(self.cmp(other)) }
+}

objdiff-core/tests/arch_ppc.rs

@@ -85,3 +85,17 @@ fn diff_ppc() {
     assert_eq!(base_symbol_diff.target_symbol, Some(target_symbol_idx));
     insta::assert_debug_snapshot!((target_symbol_diff, base_symbol_diff));
 }
+
+#[test]
+#[cfg(feature = "ppc")]
+fn read_vmx128_coff() {
+    let diff_config = diff::DiffObjConfig { combine_data_sections: true, ..Default::default() };
+    let obj = obj::read::parse(include_object!("data/ppc/vmx128.obj"), &diff_config).unwrap();
+    insta::assert_debug_snapshot!(obj);
+    let symbol_idx =
+        obj.symbols.iter().position(|s| s.name == "?FloatingPointExample@@YAXXZ").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

@@ -68,3 +68,12 @@ fn read_x86_jumptable() {
     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/common.rs

@@ -20,7 +20,7 @@ pub fn display_diff(
                 separator = true;
             }
             let DiffTextSegment { text, color, pad_to } = segment;
-            output.push_str(&format!("({:?}, {:?}, {:?})", text, color, pad_to));
+            output.push_str(&format!("({text:?}, {color:?}, {pad_to:?})"));
             Ok(())
         })
         .unwrap();

objdiff-core/tests/snapshots/arch_arm__read_arm.snap

@@ -1954,4 +1954,5 @@ Object {
     split_meta: None,
     path: None,
     timestamp: None,
+    flow_analysis_results: {},
 }

objdiff-core/tests/snapshots/arch_arm__read_thumb.snap

@@ -3826,4 +3826,5 @@ Object {
     split_meta: None,
     path: None,
     timestamp: None,
+    flow_analysis_results: {},
 }

objdiff-core/tests/snapshots/arch_mips__read_mips.snap

@@ -1490,4 +1490,5 @@ Object {
     split_meta: None,
     path: None,
     timestamp: None,
+    flow_analysis_results: {},
 }

objdiff-core/tests/snapshots/arch_ppc__read_extab.snap

@@ -4,6 +4,9 @@ expression: obj
 ---
 Object {
     arch: ArchPpc {
+        extensions: Extensions(
+            2,
+        ),
         extab: Some(
             {
                 10: ExceptionInfo {
@@ -548,4 +551,5 @@ Object {
     split_meta: None,
     path: None,
     timestamp: None,
+    flow_analysis_results: {},
 }

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

@@ -8,7 +8,7 @@ expression: diff.instruction_rows
             InstructionRef {
                 address: 0,
                 size: 4,
-                opcode: 60,
+                opcode: 283,
                 branch_dest: None,
             },
         ),
@@ -22,7 +22,7 @@ expression: diff.instruction_rows
             InstructionRef {
                 address: 4,
                 size: 4,
-                opcode: 38,
+                opcode: 260,
                 branch_dest: None,
             },
         ),
@@ -36,7 +36,7 @@ expression: diff.instruction_rows
             InstructionRef {
                 address: 8,
                 size: 4,
-                opcode: 43,
+                opcode: 265,
                 branch_dest: Some(
                     20,
                 ),
@@ -57,7 +57,7 @@ expression: diff.instruction_rows
             InstructionRef {
                 address: 12,
                 size: 4,
-                opcode: 41,
+                opcode: 263,
                 branch_dest: None,
             },
         ),
@@ -71,7 +71,7 @@ expression: diff.instruction_rows
             InstructionRef {
                 address: 16,
                 size: 4,
-                opcode: 45,
+                opcode: 267,
                 branch_dest: Some(
                     32,
                 ),
@@ -92,7 +92,7 @@ expression: diff.instruction_rows
             InstructionRef {
                 address: 20,
                 size: 4,
-                opcode: 42,
+                opcode: 264,
                 branch_dest: None,
             },
         ),
@@ -113,7 +113,7 @@ expression: diff.instruction_rows
             InstructionRef {
                 address: 24,
                 size: 4,
-                opcode: 41,
+                opcode: 263,
                 branch_dest: None,
             },
         ),
@@ -127,7 +127,7 @@ expression: diff.instruction_rows
             InstructionRef {
                 address: 28,
                 size: 4,
-                opcode: 94,
+                opcode: 323,
                 branch_dest: None,
             },
         ),
@@ -141,7 +141,7 @@ expression: diff.instruction_rows
             InstructionRef {
                 address: 32,
                 size: 4,
-                opcode: 60,
+                opcode: 283,
                 branch_dest: None,
             },
         ),
@@ -162,7 +162,7 @@ expression: diff.instruction_rows
             InstructionRef {
                 address: 36,
                 size: 4,
-                opcode: 166,
+                opcode: 445,
                 branch_dest: None,
             },
         ),
@@ -176,7 +176,7 @@ expression: diff.instruction_rows
             InstructionRef {
                 address: 40,
                 size: 4,
-                opcode: 38,
+                opcode: 260,
                 branch_dest: None,
             },
         ),
@@ -190,7 +190,7 @@ expression: diff.instruction_rows
             InstructionRef {
                 address: 44,
                 size: 4,
-                opcode: 43,
+                opcode: 265,
                 branch_dest: Some(
                     56,
                 ),
@@ -211,7 +211,7 @@ expression: diff.instruction_rows
             InstructionRef {
                 address: 48,
                 size: 4,
-                opcode: 41,
+                opcode: 263,
                 branch_dest: None,
             },
         ),
@@ -225,7 +225,7 @@ expression: diff.instruction_rows
             InstructionRef {
                 address: 52,
                 size: 4,
-                opcode: 45,
+                opcode: 267,
                 branch_dest: Some(
                     68,
                 ),
@@ -246,7 +246,7 @@ expression: diff.instruction_rows
             InstructionRef {
                 address: 56,
                 size: 4,
-                opcode: 42,
+                opcode: 264,
                 branch_dest: None,
             },
         ),
@@ -267,7 +267,7 @@ expression: diff.instruction_rows
             InstructionRef {
                 address: 60,
                 size: 4,
-                opcode: 41,
+                opcode: 263,
                 branch_dest: None,
             },
         ),
@@ -281,7 +281,7 @@ expression: diff.instruction_rows
             InstructionRef {
                 address: 64,
                 size: 4,
-                opcode: 94,
+                opcode: 323,
                 branch_dest: None,
             },
         ),
@@ -295,7 +295,7 @@ expression: diff.instruction_rows
             InstructionRef {
                 address: 68,
                 size: 4,
-                opcode: 60,
+                opcode: 283,
                 branch_dest: None,
             },
         ),
@@ -316,7 +316,7 @@ expression: diff.instruction_rows
             InstructionRef {
                 address: 72,
                 size: 4,
-                opcode: 41,
+                opcode: 263,
                 branch_dest: None,
             },
         ),
@@ -330,7 +330,7 @@ expression: diff.instruction_rows
             InstructionRef {
                 address: 76,
                 size: 4,
-                opcode: 38,
+                opcode: 260,
                 branch_dest: None,
             },
         ),
@@ -344,7 +344,7 @@ expression: diff.instruction_rows
             InstructionRef {
                 address: 80,
                 size: 4,
-                opcode: 166,
+                opcode: 445,
                 branch_dest: None,
             },
         ),
@@ -358,7 +358,7 @@ expression: diff.instruction_rows
             InstructionRef {
                 address: 84,
                 size: 4,
-                opcode: 43,
+                opcode: 265,
                 branch_dest: Some(
                     96,
                 ),
@@ -379,7 +379,7 @@ expression: diff.instruction_rows
             InstructionRef {
                 address: 88,
                 size: 4,
-                opcode: 41,
+                opcode: 263,
                 branch_dest: None,
             },
         ),
@@ -393,7 +393,7 @@ expression: diff.instruction_rows
             InstructionRef {
                 address: 92,
                 size: 4,
-                opcode: 45,
+                opcode: 267,
                 branch_dest: Some(
                     108,
                 ),
@@ -414,7 +414,7 @@ expression: diff.instruction_rows
             InstructionRef {
                 address: 96,
                 size: 4,
-                opcode: 42,
+                opcode: 264,
                 branch_dest: None,
             },
         ),
@@ -435,7 +435,7 @@ expression: diff.instruction_rows
             InstructionRef {
                 address: 100,
                 size: 4,
-                opcode: 41,
+                opcode: 263,
                 branch_dest: None,
             },
         ),
@@ -449,7 +449,7 @@ expression: diff.instruction_rows
             InstructionRef {
                 address: 104,
                 size: 4,
-                opcode: 94,
+                opcode: 323,
                 branch_dest: None,
             },
         ),
@@ -463,7 +463,7 @@ expression: diff.instruction_rows
             InstructionRef {
                 address: 108,
                 size: 4,
-                opcode: 60,
+                opcode: 283,
                 branch_dest: None,
             },
         ),
@@ -484,7 +484,7 @@ expression: diff.instruction_rows
             InstructionRef {
                 address: 112,
                 size: 4,
-                opcode: 41,
+                opcode: 263,
                 branch_dest: None,
             },
         ),
@@ -498,7 +498,7 @@ expression: diff.instruction_rows
             InstructionRef {
                 address: 116,
                 size: 4,
-                opcode: 38,
+                opcode: 260,
                 branch_dest: None,
             },
         ),
@@ -512,7 +512,7 @@ expression: diff.instruction_rows
             InstructionRef {
                 address: 120,
                 size: 4,
-                opcode: 166,
+                opcode: 445,
                 branch_dest: None,
             },
         ),
@@ -526,7 +526,7 @@ expression: diff.instruction_rows
             InstructionRef {
                 address: 124,
                 size: 4,
-                opcode: 43,
+                opcode: 265,
                 branch_dest: Some(
                     136,
                 ),
@@ -547,7 +547,7 @@ expression: diff.instruction_rows
             InstructionRef {
                 address: 128,
                 size: 4,
-                opcode: 41,
+                opcode: 263,
                 branch_dest: None,
             },
         ),
@@ -561,7 +561,7 @@ expression: diff.instruction_rows
             InstructionRef {
                 address: 132,
                 size: 4,
-                opcode: 45,
+                opcode: 267,
                 branch_dest: Some(
                     148,
                 ),
@@ -582,7 +582,7 @@ expression: diff.instruction_rows
             InstructionRef {
                 address: 136,
                 size: 4,
-                opcode: 42,
+                opcode: 264,
                 branch_dest: None,
             },
         ),
@@ -603,7 +603,7 @@ expression: diff.instruction_rows
             InstructionRef {
                 address: 140,
                 size: 4,
-                opcode: 41,
+                opcode: 263,
                 branch_dest: None,
             },
         ),
@@ -617,7 +617,7 @@ expression: diff.instruction_rows
             InstructionRef {
                 address: 144,
                 size: 4,
-                opcode: 94,
+                opcode: 323,
                 branch_dest: None,
             },
         ),
@@ -631,7 +631,7 @@ expression: diff.instruction_rows
             InstructionRef {
                 address: 148,
                 size: 4,
-                opcode: 41,
+                opcode: 263,
                 branch_dest: None,
             },
         ),
@@ -652,7 +652,7 @@ expression: diff.instruction_rows
             InstructionRef {
                 address: 152,
                 size: 4,
-                opcode: 41,
+                opcode: 263,
                 branch_dest: None,
             },
         ),
@@ -666,7 +666,7 @@ expression: diff.instruction_rows
             InstructionRef {
                 address: 156,
                 size: 4,
-                opcode: 166,
+                opcode: 445,
                 branch_dest: None,
             },
         ),
@@ -680,7 +680,7 @@ expression: diff.instruction_rows
             InstructionRef {
                 address: 160,
                 size: 4,
-                opcode: 42,
+                opcode: 264,
                 branch_dest: None,
             },
         ),
@@ -694,7 +694,7 @@ expression: diff.instruction_rows
             InstructionRef {
                 address: 164,
                 size: 4,
-                opcode: 41,
+                opcode: 263,
                 branch_dest: None,
             },
         ),
@@ -708,7 +708,7 @@ expression: diff.instruction_rows
             InstructionRef {
                 address: 168,
                 size: 4,
-                opcode: 166,
+                opcode: 445,
                 branch_dest: None,
             },
         ),
@@ -722,7 +722,7 @@ expression: diff.instruction_rows
             InstructionRef {
                 address: 172,
                 size: 4,
-                opcode: 41,
+                opcode: 263,
                 branch_dest: None,
             },
         ),
@@ -736,7 +736,7 @@ expression: diff.instruction_rows
             InstructionRef {
                 address: 176,
                 size: 4,
-                opcode: 162,
+                opcode: 441,
                 branch_dest: None,
             },
         ),
@@ -750,7 +750,7 @@ expression: diff.instruction_rows
             InstructionRef {
                 address: 180,
                 size: 4,
-                opcode: 94,
+                opcode: 323,
                 branch_dest: None,
             },
         ),
@@ -764,7 +764,7 @@ expression: diff.instruction_rows
             InstructionRef {
                 address: 184,
                 size: 4,
-                opcode: 66,
+                opcode: 289,
                 branch_dest: None,
             },
         ),
@@ -778,7 +778,7 @@ expression: diff.instruction_rows
             InstructionRef {
                 address: 188,
                 size: 4,
-                opcode: 43,
+                opcode: 265,
                 branch_dest: Some(
                     196,
                 ),
@@ -799,7 +799,7 @@ expression: diff.instruction_rows
             InstructionRef {
                 address: 192,
                 size: 4,
-                opcode: 166,
+                opcode: 445,
                 branch_dest: None,
             },
         ),
@@ -813,7 +813,7 @@ expression: diff.instruction_rows
             InstructionRef {
                 address: 196,
                 size: 4,
-                opcode: 163,
+                opcode: 442,
                 branch_dest: None,
             },
         ),
@@ -834,7 +834,7 @@ expression: diff.instruction_rows
             InstructionRef {
                 address: 200,
                 size: 4,
-                opcode: 94,
+                opcode: 323,
                 branch_dest: None,
             },
         ),
@@ -848,7 +848,7 @@ expression: diff.instruction_rows
             InstructionRef {
                 address: 204,
                 size: 4,
-                opcode: 66,
+                opcode: 289,
                 branch_dest: None,
             },
         ),
@@ -862,7 +862,7 @@ expression: diff.instruction_rows
             InstructionRef {
                 address: 208,
                 size: 4,
-                opcode: 43,
+                opcode: 265,
                 branch_dest: Some(
                     216,
                 ),
@@ -883,7 +883,7 @@ expression: diff.instruction_rows
             InstructionRef {
                 address: 212,
                 size: 4,
-                opcode: 166,
+                opcode: 445,
                 branch_dest: None,
             },
         ),
@@ -897,7 +897,7 @@ expression: diff.instruction_rows
             InstructionRef {
                 address: 216,
                 size: 4,
-                opcode: 163,
+                opcode: 442,
                 branch_dest: None,
             },
         ),
@@ -918,7 +918,7 @@ expression: diff.instruction_rows
             InstructionRef {
                 address: 220,
                 size: 4,
-                opcode: 94,
+                opcode: 323,
                 branch_dest: None,
             },
         ),
@@ -932,7 +932,7 @@ expression: diff.instruction_rows
             InstructionRef {
                 address: 224,
                 size: 4,
-                opcode: 66,
+                opcode: 289,
                 branch_dest: None,
             },
         ),
@@ -946,7 +946,7 @@ expression: diff.instruction_rows
             InstructionRef {
                 address: 228,
                 size: 4,
-                opcode: 43,
+                opcode: 265,
                 branch_dest: Some(
                     236,
                 ),
@@ -967,7 +967,7 @@ expression: diff.instruction_rows
             InstructionRef {
                 address: 232,
                 size: 4,
-                opcode: 166,
+                opcode: 445,
                 branch_dest: None,
             },
         ),
@@ -981,7 +981,7 @@ expression: diff.instruction_rows
             InstructionRef {
                 address: 236,
                 size: 4,
-                opcode: 163,
+                opcode: 442,
                 branch_dest: None,
             },
         ),
@@ -1002,7 +1002,7 @@ expression: diff.instruction_rows
             InstructionRef {
                 address: 240,
                 size: 4,
-                opcode: 94,
+                opcode: 323,
                 branch_dest: None,
             },
         ),
@@ -1016,7 +1016,7 @@ expression: diff.instruction_rows
             InstructionRef {
                 address: 244,
                 size: 4,
-                opcode: 66,
+                opcode: 289,
                 branch_dest: None,
             },
         ),
@@ -1030,7 +1030,7 @@ expression: diff.instruction_rows
             InstructionRef {
                 address: 248,
                 size: 4,
-                opcode: 43,
+                opcode: 265,
                 branch_dest: Some(
                     256,
                 ),
@@ -1051,7 +1051,7 @@ expression: diff.instruction_rows
             InstructionRef {
                 address: 252,
                 size: 4,
-                opcode: 166,
+                opcode: 445,
                 branch_dest: None,
             },
         ),
@@ -1065,7 +1065,7 @@ expression: diff.instruction_rows
             InstructionRef {
                 address: 256,
                 size: 4,
-                opcode: 41,
+                opcode: 263,
                 branch_dest: None,
             },
         ),
@@ -1086,7 +1086,7 @@ expression: diff.instruction_rows
             InstructionRef {
                 address: 260,
                 size: 4,
-                opcode: 47,
+                opcode: 269,
                 branch_dest: None,
             },
         ),

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

@@ -1,71 +1,70 @@
 ---
 source: objdiff-core/tests/arch_ppc.rs
-assertion_line: 20
 expression: output
 ---
-[(Address(0), Normal, 5), (Spacing(4), Normal, 0), (Opcode("srwi", 60), Normal, 10), (Argument(Opaque("r0")), Normal, 0), (Basic(", "), Normal, 0), (Argument(Opaque("r3")), Normal, 0), (Basic(", "), Normal, 0), (Argument(Opaque("24")), Normal, 0), (Eol, Normal, 0)]
-[(Address(4), Normal, 5), (Spacing(4), Normal, 0), (Opcode("cmpwi", 38), Normal, 10), (Argument(Opaque("r0")), Normal, 0), (Basic(", "), Normal, 0), (Argument(Signed(-1)), Normal, 0), (Eol, Normal, 0)]
-[(Address(8), Normal, 5), (Spacing(4), Normal, 0), (Opcode("bne", 43), Normal, 10), (BranchDest(20), Normal, 0), (Basic(" ~>"), Rotating(0), 0), (Eol, Normal, 0)]
-[(Address(12), Normal, 5), (Spacing(4), Normal, 0), (Opcode("li", 41), Normal, 10), (Argument(Opaque("r0")), Normal, 0), (Basic(", "), Normal, 0), (Argument(Signed(-1)), Normal, 0), (Eol, Normal, 0)]
-[(Address(16), Normal, 5), (Spacing(4), Normal, 0), (Opcode("b", 45), Normal, 10), (BranchDest(32), Normal, 0), (Basic(" ~>"), Rotating(1), 0), (Eol, Normal, 0)]
-[(Address(20), Normal, 5), (Basic(" ~> "), Rotating(0), 0), (Opcode("lis", 42), Normal, 10), (Argument(Opaque("r4")), Normal, 0), (Basic(", "), Normal, 0), (Symbol(Symbol { name: "__upper_map", demangled_name: None, address: 0, size: 0, kind: Unknown, section: None, flags: FlagSet(Global), align: None, virtual_address: Some(0) }), Bright, 0), (Basic("@ha"), Normal, 0), (Eol, Normal, 0)]
-[(Address(24), Normal, 5), (Spacing(4), Normal, 0), (Opcode("addi", 41), Normal, 10), (Argument(Opaque("r4")), Normal, 0), (Basic(", "), Normal, 0), (Argument(Opaque("r4")), Normal, 0), (Basic(", "), Normal, 0), (Symbol(Symbol { name: "__upper_map", demangled_name: None, address: 0, size: 0, kind: Unknown, section: None, flags: FlagSet(Global), align: None, virtual_address: Some(0) }), Bright, 0), (Basic("@l"), Normal, 0), (Eol, Normal, 0)]
-[(Address(28), Normal, 5), (Spacing(4), Normal, 0), (Opcode("lbzx", 94), Normal, 10), (Argument(Opaque("r0")), Normal, 0), (Basic(", "), Normal, 0), (Argument(Opaque("r4")), Normal, 0), (Basic(", "), Normal, 0), (Argument(Opaque("r0")), Normal, 0), (Basic(" <"), Normal, 0), (Symbol(Symbol { name: "__upper_map", demangled_name: None, address: 0, size: 0, kind: Unknown, section: None, flags: FlagSet(Global), align: None, virtual_address: Some(0) }), Bright, 0), (Basic(">"), Normal, 0), (Eol, Normal, 0)]
-[(Address(32), Normal, 5), (Basic(" ~> "), Rotating(1), 0), (Opcode("extrwi", 60), Normal, 10), (Argument(Opaque("r5")), Normal, 0), (Basic(", "), Normal, 0), (Argument(Opaque("r3")), Normal, 0), (Basic(", "), Normal, 0), (Argument(Opaque("8")), Normal, 0), (Basic(", "), Normal, 0), (Argument(Opaque("8")), Normal, 0), (Eol, Normal, 0)]
-[(Address(36), Normal, 5), (Spacing(4), Normal, 0), (Opcode("stb", 166), Normal, 10), (Argument(Opaque("r0")), Normal, 0), (Basic(", "), Normal, 0), (Symbol(Symbol { name: "text$52", demangled_name: None, address: 8, size: 5, kind: Object, section: Some(2), flags: FlagSet(Local), align: None, virtual_address: Some(2153420056) }), Bright, 0), (Basic("@sda21"), Normal, 0), (Eol, Normal, 0)]
-[(Address(40), Normal, 5), (Spacing(4), Normal, 0), (Opcode("cmpwi", 38), Normal, 10), (Argument(Opaque("r5")), Normal, 0), (Basic(", "), Normal, 0), (Argument(Signed(-1)), Normal, 0), (Eol, Normal, 0)]
-[(Address(44), Normal, 5), (Spacing(4), Normal, 0), (Opcode("bne", 43), Normal, 10), (BranchDest(56), Normal, 0), (Basic(" ~>"), Rotating(2), 0), (Eol, Normal, 0)]
-[(Address(48), Normal, 5), (Spacing(4), Normal, 0), (Opcode("li", 41), Normal, 10), (Argument(Opaque("r0")), Normal, 0), (Basic(", "), Normal, 0), (Argument(Signed(-1)), Normal, 0), (Eol, Normal, 0)]
-[(Address(52), Normal, 5), (Spacing(4), Normal, 0), (Opcode("b", 45), Normal, 10), (BranchDest(68), Normal, 0), (Basic(" ~>"), Rotating(3), 0), (Eol, Normal, 0)]
-[(Address(56), Normal, 5), (Basic(" ~> "), Rotating(2), 0), (Opcode("lis", 42), Normal, 10), (Argument(Opaque("r4")), Normal, 0), (Basic(", "), Normal, 0), (Symbol(Symbol { name: "__upper_map", demangled_name: None, address: 0, size: 0, kind: Unknown, section: None, flags: FlagSet(Global), align: None, virtual_address: Some(0) }), Bright, 0), (Basic("@ha"), Normal, 0), (Eol, Normal, 0)]
-[(Address(60), Normal, 5), (Spacing(4), Normal, 0), (Opcode("addi", 41), Normal, 10), (Argument(Opaque("r4")), Normal, 0), (Basic(", "), Normal, 0), (Argument(Opaque("r4")), Normal, 0), (Basic(", "), Normal, 0), (Symbol(Symbol { name: "__upper_map", demangled_name: None, address: 0, size: 0, kind: Unknown, section: None, flags: FlagSet(Global), align: None, virtual_address: Some(0) }), Bright, 0), (Basic("@l"), Normal, 0), (Eol, Normal, 0)]
-[(Address(64), Normal, 5), (Spacing(4), Normal, 0), (Opcode("lbzx", 94), Normal, 10), (Argument(Opaque("r0")), Normal, 0), (Basic(", "), Normal, 0), (Argument(Opaque("r4")), Normal, 0), (Basic(", "), Normal, 0), (Argument(Opaque("r5")), Normal, 0), (Basic(" <"), Normal, 0), (Symbol(Symbol { name: "__upper_map", demangled_name: None, address: 0, size: 0, kind: Unknown, section: None, flags: FlagSet(Global), align: None, virtual_address: Some(0) }), Bright, 0), (Basic(">"), Normal, 0), (Eol, Normal, 0)]
-[(Address(68), Normal, 5), (Basic(" ~> "), Rotating(3), 0), (Opcode("extrwi", 60), Normal, 10), (Argument(Opaque("r5")), Normal, 0), (Basic(", "), Normal, 0), (Argument(Opaque("r3")), Normal, 0), (Basic(", "), Normal, 0), (Argument(Opaque("8")), Normal, 0), (Basic(", "), Normal, 0), (Argument(Opaque("16")), Normal, 0), (Eol, Normal, 0)]
-[(Address(72), Normal, 5), (Spacing(4), Normal, 0), (Opcode("li", 41), Normal, 10), (Argument(Opaque("r4")), Normal, 0), (Basic(", "), Normal, 0), (Symbol(Symbol { name: "text$52", demangled_name: None, address: 8, size: 5, kind: Object, section: Some(2), flags: FlagSet(Local), align: None, virtual_address: Some(2153420056) }), Bright, 0), (Basic("@sda21"), Normal, 0), (Eol, Normal, 0)]
-[(Address(76), Normal, 5), (Spacing(4), Normal, 0), (Opcode("cmpwi", 38), Normal, 10), (Argument(Opaque("r5")), Normal, 0), (Basic(", "), Normal, 0), (Argument(Signed(-1)), Normal, 0), (Eol, Normal, 0)]
-[(Address(80), Normal, 5), (Spacing(4), Normal, 0), (Opcode("stb", 166), Normal, 10), (Argument(Opaque("r0")), Normal, 0), (Basic(", "), Normal, 0), (Argument(Signed(1)), Normal, 0), (Basic("("), Normal, 0), (Argument(Opaque("r4")), Normal, 0), (Basic(")"), Normal, 0), (Eol, Normal, 0)]
-[(Address(84), Normal, 5), (Spacing(4), Normal, 0), (Opcode("bne", 43), Normal, 10), (BranchDest(96), Normal, 0), (Basic(" ~>"), Rotating(4), 0), (Eol, Normal, 0)]
-[(Address(88), Normal, 5), (Spacing(4), Normal, 0), (Opcode("li", 41), Normal, 10), (Argument(Opaque("r0")), Normal, 0), (Basic(", "), Normal, 0), (Argument(Signed(-1)), Normal, 0), (Eol, Normal, 0)]
-[(Address(92), Normal, 5), (Spacing(4), Normal, 0), (Opcode("b", 45), Normal, 10), (BranchDest(108), Normal, 0), (Basic(" ~>"), Rotating(5), 0), (Eol, Normal, 0)]
-[(Address(96), Normal, 5), (Basic(" ~> "), Rotating(4), 0), (Opcode("lis", 42), Normal, 10), (Argument(Opaque("r4")), Normal, 0), (Basic(", "), Normal, 0), (Symbol(Symbol { name: "__upper_map", demangled_name: None, address: 0, size: 0, kind: Unknown, section: None, flags: FlagSet(Global), align: None, virtual_address: Some(0) }), Bright, 0), (Basic("@ha"), Normal, 0), (Eol, Normal, 0)]
-[(Address(100), Normal, 5), (Spacing(4), Normal, 0), (Opcode("addi", 41), Normal, 10), (Argument(Opaque("r4")), Normal, 0), (Basic(", "), Normal, 0), (Argument(Opaque("r4")), Normal, 0), (Basic(", "), Normal, 0), (Symbol(Symbol { name: "__upper_map", demangled_name: None, address: 0, size: 0, kind: Unknown, section: None, flags: FlagSet(Global), align: None, virtual_address: Some(0) }), Bright, 0), (Basic("@l"), Normal, 0), (Eol, Normal, 0)]
-[(Address(104), Normal, 5), (Spacing(4), Normal, 0), (Opcode("lbzx", 94), Normal, 10), (Argument(Opaque("r0")), Normal, 0), (Basic(", "), Normal, 0), (Argument(Opaque("r4")), Normal, 0), (Basic(", "), Normal, 0), (Argument(Opaque("r5")), Normal, 0), (Basic(" <"), Normal, 0), (Symbol(Symbol { name: "__upper_map", demangled_name: None, address: 0, size: 0, kind: Unknown, section: None, flags: FlagSet(Global), align: None, virtual_address: Some(0) }), Bright, 0), (Basic(">"), Normal, 0), (Eol, Normal, 0)]
-[(Address(108), Normal, 5), (Basic(" ~> "), Rotating(5), 0), (Opcode("clrlwi", 60), Normal, 10), (Argument(Opaque("r4")), Normal, 0), (Basic(", "), Normal, 0), (Argument(Opaque("r3")), Normal, 0), (Basic(", "), Normal, 0), (Argument(Opaque("24")), Normal, 0), (Eol, Normal, 0)]
-[(Address(112), Normal, 5), (Spacing(4), Normal, 0), (Opcode("li", 41), Normal, 10), (Argument(Opaque("r3")), Normal, 0), (Basic(", "), Normal, 0), (Symbol(Symbol { name: "text$52", demangled_name: None, address: 8, size: 5, kind: Object, section: Some(2), flags: FlagSet(Local), align: None, virtual_address: Some(2153420056) }), Bright, 0), (Basic("@sda21"), Normal, 0), (Eol, Normal, 0)]
-[(Address(116), Normal, 5), (Spacing(4), Normal, 0), (Opcode("cmpwi", 38), Normal, 10), (Argument(Opaque("r4")), Normal, 0), (Basic(", "), Normal, 0), (Argument(Signed(-1)), Normal, 0), (Eol, Normal, 0)]
-[(Address(120), Normal, 5), (Spacing(4), Normal, 0), (Opcode("stb", 166), Normal, 10), (Argument(Opaque("r0")), Normal, 0), (Basic(", "), Normal, 0), (Argument(Signed(2)), Normal, 0), (Basic("("), Normal, 0), (Argument(Opaque("r3")), Normal, 0), (Basic(")"), Normal, 0), (Eol, Normal, 0)]
-[(Address(124), Normal, 5), (Spacing(4), Normal, 0), (Opcode("bne", 43), Normal, 10), (BranchDest(136), Normal, 0), (Basic(" ~>"), Rotating(6), 0), (Eol, Normal, 0)]
-[(Address(128), Normal, 5), (Spacing(4), Normal, 0), (Opcode("li", 41), Normal, 10), (Argument(Opaque("r3")), Normal, 0), (Basic(", "), Normal, 0), (Argument(Signed(-1)), Normal, 0), (Eol, Normal, 0)]
-[(Address(132), Normal, 5), (Spacing(4), Normal, 0), (Opcode("b", 45), Normal, 10), (BranchDest(148), Normal, 0), (Basic(" ~>"), Rotating(7), 0), (Eol, Normal, 0)]
-[(Address(136), Normal, 5), (Basic(" ~> "), Rotating(6), 0), (Opcode("lis", 42), Normal, 10), (Argument(Opaque("r3")), Normal, 0), (Basic(", "), Normal, 0), (Symbol(Symbol { name: "__upper_map", demangled_name: None, address: 0, size: 0, kind: Unknown, section: None, flags: FlagSet(Global), align: None, virtual_address: Some(0) }), Bright, 0), (Basic("@ha"), Normal, 0), (Eol, Normal, 0)]
-[(Address(140), Normal, 5), (Spacing(4), Normal, 0), (Opcode("addi", 41), Normal, 10), (Argument(Opaque("r3")), Normal, 0), (Basic(", "), Normal, 0), (Argument(Opaque("r3")), Normal, 0), (Basic(", "), Normal, 0), (Symbol(Symbol { name: "__upper_map", demangled_name: None, address: 0, size: 0, kind: Unknown, section: None, flags: FlagSet(Global), align: None, virtual_address: Some(0) }), Bright, 0), (Basic("@l"), Normal, 0), (Eol, Normal, 0)]
-[(Address(144), Normal, 5), (Spacing(4), Normal, 0), (Opcode("lbzx", 94), Normal, 10), (Argument(Opaque("r3")), Normal, 0), (Basic(", "), Normal, 0), (Argument(Opaque("r3")), Normal, 0), (Basic(", "), Normal, 0), (Argument(Opaque("r4")), Normal, 0), (Basic(" <"), Normal, 0), (Symbol(Symbol { name: "__upper_map", demangled_name: None, address: 0, size: 0, kind: Unknown, section: None, flags: FlagSet(Global), align: None, virtual_address: Some(0) }), Bright, 0), (Basic(">"), Normal, 0), (Eol, Normal, 0)]
-[(Address(148), Normal, 5), (Basic(" ~> "), Rotating(7), 0), (Opcode("li", 41), Normal, 10), (Argument(Opaque("r5")), Normal, 0), (Basic(", "), Normal, 0), (Symbol(Symbol { name: "text$52", demangled_name: None, address: 8, size: 5, kind: Object, section: Some(2), flags: FlagSet(Local), align: None, virtual_address: Some(2153420056) }), Bright, 0), (Basic("@sda21"), Normal, 0), (Eol, Normal, 0)]
-[(Address(152), Normal, 5), (Spacing(4), Normal, 0), (Opcode("li", 41), Normal, 10), (Argument(Opaque("r0")), Normal, 0), (Basic(", "), Normal, 0), (Argument(Signed(0)), Normal, 0), (Eol, Normal, 0)]
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+[(Address(156), Normal, 5), (Spacing(4), Normal, 0), (Opcode("stb", 445), Normal, 10), (Argument(Opaque("r3")), Normal, 0), (Basic(", "), Normal, 0), (Argument(Signed(3)), Normal, 0), (Basic("("), Normal, 0), (Argument(Opaque("r5")), Normal, 0), (Basic(")"), Normal, 0), (Eol, Normal, 0)]
+[(Address(160), Normal, 5), (Spacing(4), Normal, 0), (Opcode("lis", 264), Normal, 10), (Argument(Opaque("r3")), Normal, 0), (Basic(", "), Normal, 0), (Symbol(Symbol { name: "__ctype_map", demangled_name: None, address: 0, size: 0, kind: Unknown, section: None, flags: FlagSet(Global), align: None, virtual_address: Some(0) }), Bright, 0), (Basic("@ha"), Normal, 0), (Eol, Normal, 0)]
+[(Address(164), Normal, 5), (Spacing(4), Normal, 0), (Opcode("addi", 263), Normal, 10), (Argument(Opaque("r4")), Normal, 0), (Basic(", "), Normal, 0), (Argument(Opaque("r3")), Normal, 0), (Basic(", "), Normal, 0), (Symbol(Symbol { name: "__ctype_map", demangled_name: None, address: 0, size: 0, kind: Unknown, section: None, flags: FlagSet(Global), align: None, virtual_address: Some(0) }), Bright, 0), (Basic("@l"), Normal, 0), (Eol, Normal, 0)]
+[(Address(168), Normal, 5), (Spacing(4), Normal, 0), (Opcode("stb", 445), Normal, 10), (Argument(Opaque("r0")), Normal, 0), (Basic(", "), Normal, 0), (Argument(Signed(4)), Normal, 0), (Basic("("), Normal, 0), (Argument(Opaque("r5")), Normal, 0), (Basic(")"), Normal, 0), (Eol, Normal, 0)]
+[(Address(172), Normal, 5), (Spacing(4), Normal, 0), (Opcode("li", 263), Normal, 10), (Argument(Opaque("r0")), Normal, 0), (Basic(", "), Normal, 0), (Argument(Signed(45)), Normal, 0), (Eol, Normal, 0)]
+[(Address(176), Normal, 5), (Spacing(4), Normal, 0), (Opcode("lbz", 441), Normal, 10), (Argument(Opaque("r3")), Normal, 0), (Basic(", "), Normal, 0), (Symbol(Symbol { name: "text$52", demangled_name: None, address: 8, size: 5, kind: Object, section: Some(2), flags: FlagSet(Local), align: None, virtual_address: Some(2153420056) }), Bright, 0), (Basic("@sda21"), Normal, 0), (Eol, Normal, 0)]
+[(Address(180), Normal, 5), (Spacing(4), Normal, 0), (Opcode("lbzx", 323), Normal, 10), (Argument(Opaque("r3")), Normal, 0), (Basic(", "), Normal, 0), (Argument(Opaque("r4")), Normal, 0), (Basic(", "), Normal, 0), (Argument(Opaque("r3")), Normal, 0), (Basic(" <"), Normal, 0), (Symbol(Symbol { name: "__ctype_map", demangled_name: None, address: 0, size: 0, kind: Unknown, section: None, flags: FlagSet(Global), align: None, virtual_address: Some(0) }), Bright, 0), (Basic(">"), Normal, 0), (Eol, Normal, 0)]
+[(Address(184), Normal, 5), (Spacing(4), Normal, 0), (Opcode("andi.", 289), Normal, 10), (Argument(Opaque("r3")), Normal, 0), (Basic(", "), Normal, 0), (Argument(Opaque("r3")), Normal, 0), (Basic(", "), Normal, 0), (Argument(Unsigned(220)), Normal, 0), (Eol, Normal, 0)]
+[(Address(188), Normal, 5), (Spacing(4), Normal, 0), (Opcode("bne", 265), Normal, 10), (BranchDest(196), Normal, 0), (Basic(" ~>"), Rotating(8), 0), (Eol, Normal, 0)]
+[(Address(192), Normal, 5), (Spacing(4), Normal, 0), (Opcode("stb", 445), Normal, 10), (Argument(Opaque("r0")), Normal, 0), (Basic(", "), Normal, 0), (Argument(Signed(0)), Normal, 0), (Basic("("), Normal, 0), (Argument(Opaque("r5")), Normal, 0), (Basic(")"), Normal, 0), (Eol, Normal, 0)]
+[(Address(196), Normal, 5), (Basic(" ~> "), Rotating(8), 0), (Opcode("lbzu", 442), Normal, 10), (Argument(Opaque("r3")), Normal, 0), (Basic(", "), Normal, 0), (Argument(Signed(1)), Normal, 0), (Basic("("), Normal, 0), (Argument(Opaque("r5")), Normal, 0), (Basic(")"), Normal, 0), (Eol, Normal, 0)]
+[(Address(200), Normal, 5), (Spacing(4), Normal, 0), (Opcode("lbzx", 323), Normal, 10), (Argument(Opaque("r3")), Normal, 0), (Basic(", "), Normal, 0), (Argument(Opaque("r4")), Normal, 0), (Basic(", "), Normal, 0), (Argument(Opaque("r3")), Normal, 0), (Basic(" <"), Normal, 0), (Symbol(Symbol { name: "__ctype_map", demangled_name: None, address: 0, size: 0, kind: Unknown, section: None, flags: FlagSet(Global), align: None, virtual_address: Some(0) }), Bright, 0), (Basic(">"), Normal, 0), (Eol, Normal, 0)]
+[(Address(204), Normal, 5), (Spacing(4), Normal, 0), (Opcode("andi.", 289), Normal, 10), (Argument(Opaque("r3")), Normal, 0), (Basic(", "), Normal, 0), (Argument(Opaque("r3")), Normal, 0), (Basic(", "), Normal, 0), (Argument(Unsigned(220)), Normal, 0), (Eol, Normal, 0)]
+[(Address(208), Normal, 5), (Spacing(4), Normal, 0), (Opcode("bne", 265), Normal, 10), (BranchDest(216), Normal, 0), (Basic(" ~>"), Rotating(9), 0), (Eol, Normal, 0)]
+[(Address(212), Normal, 5), (Spacing(4), Normal, 0), (Opcode("stb", 445), Normal, 10), (Argument(Opaque("r0")), Normal, 0), (Basic(", "), Normal, 0), (Argument(Signed(0)), Normal, 0), (Basic("("), Normal, 0), (Argument(Opaque("r5")), Normal, 0), (Basic(")"), Normal, 0), (Eol, Normal, 0)]
+[(Address(216), Normal, 5), (Basic(" ~> "), Rotating(9), 0), (Opcode("lbzu", 442), Normal, 10), (Argument(Opaque("r3")), Normal, 0), (Basic(", "), Normal, 0), (Argument(Signed(1)), Normal, 0), (Basic("("), Normal, 0), (Argument(Opaque("r5")), Normal, 0), (Basic(")"), Normal, 0), (Eol, Normal, 0)]
+[(Address(220), Normal, 5), (Spacing(4), Normal, 0), (Opcode("lbzx", 323), Normal, 10), (Argument(Opaque("r3")), Normal, 0), (Basic(", "), Normal, 0), (Argument(Opaque("r4")), Normal, 0), (Basic(", "), Normal, 0), (Argument(Opaque("r3")), Normal, 0), (Basic(" <"), Normal, 0), (Symbol(Symbol { name: "__ctype_map", demangled_name: None, address: 0, size: 0, kind: Unknown, section: None, flags: FlagSet(Global), align: None, virtual_address: Some(0) }), Bright, 0), (Basic(">"), Normal, 0), (Eol, Normal, 0)]
+[(Address(224), Normal, 5), (Spacing(4), Normal, 0), (Opcode("andi.", 289), Normal, 10), (Argument(Opaque("r3")), Normal, 0), (Basic(", "), Normal, 0), (Argument(Opaque("r3")), Normal, 0), (Basic(", "), Normal, 0), (Argument(Unsigned(220)), Normal, 0), (Eol, Normal, 0)]
+[(Address(228), Normal, 5), (Spacing(4), Normal, 0), (Opcode("bne", 265), Normal, 10), (BranchDest(236), Normal, 0), (Basic(" ~>"), Rotating(10), 0), (Eol, Normal, 0)]
+[(Address(232), Normal, 5), (Spacing(4), Normal, 0), (Opcode("stb", 445), Normal, 10), (Argument(Opaque("r0")), Normal, 0), (Basic(", "), Normal, 0), (Argument(Signed(0)), Normal, 0), (Basic("("), Normal, 0), (Argument(Opaque("r5")), Normal, 0), (Basic(")"), Normal, 0), (Eol, Normal, 0)]
+[(Address(236), Normal, 5), (Basic(" ~> "), Rotating(10), 0), (Opcode("lbzu", 442), Normal, 10), (Argument(Opaque("r3")), Normal, 0), (Basic(", "), Normal, 0), (Argument(Signed(1)), Normal, 0), (Basic("("), Normal, 0), (Argument(Opaque("r5")), Normal, 0), (Basic(")"), Normal, 0), (Eol, Normal, 0)]
+[(Address(240), Normal, 5), (Spacing(4), Normal, 0), (Opcode("lbzx", 323), Normal, 10), (Argument(Opaque("r3")), Normal, 0), (Basic(", "), Normal, 0), (Argument(Opaque("r4")), Normal, 0), (Basic(", "), Normal, 0), (Argument(Opaque("r3")), Normal, 0), (Basic(" <"), Normal, 0), (Symbol(Symbol { name: "__ctype_map", demangled_name: None, address: 0, size: 0, kind: Unknown, section: None, flags: FlagSet(Global), align: None, virtual_address: Some(0) }), Bright, 0), (Basic(">"), Normal, 0), (Eol, Normal, 0)]
+[(Address(244), Normal, 5), (Spacing(4), Normal, 0), (Opcode("andi.", 289), Normal, 10), (Argument(Opaque("r3")), Normal, 0), (Basic(", "), Normal, 0), (Argument(Opaque("r3")), Normal, 0), (Basic(", "), Normal, 0), (Argument(Unsigned(220)), Normal, 0), (Eol, Normal, 0)]
+[(Address(248), Normal, 5), (Spacing(4), Normal, 0), (Opcode("bne", 265), Normal, 10), (BranchDest(256), Normal, 0), (Basic(" ~>"), Rotating(11), 0), (Eol, Normal, 0)]
+[(Address(252), Normal, 5), (Spacing(4), Normal, 0), (Opcode("stb", 445), Normal, 10), (Argument(Opaque("r0")), Normal, 0), (Basic(", "), Normal, 0), (Argument(Signed(0)), Normal, 0), (Basic("("), Normal, 0), (Argument(Opaque("r5")), Normal, 0), (Basic(")"), Normal, 0), (Eol, Normal, 0)]
+[(Address(256), Normal, 5), (Basic(" ~> "), Rotating(11), 0), (Opcode("li", 263), Normal, 10), (Argument(Opaque("r3")), Normal, 0), (Basic(", "), Normal, 0), (Symbol(Symbol { name: "text$52", demangled_name: None, address: 8, size: 5, kind: Object, section: Some(2), flags: FlagSet(Local), align: None, virtual_address: Some(2153420056) }), Bright, 0), (Basic("@sda21"), Normal, 0), (Eol, Normal, 0)]
+[(Address(260), Normal, 5), (Spacing(4), Normal, 0), (Opcode("blr", 269), Normal, 10), (Eol, Normal, 0)]

objdiff-core/tests/snapshots/arch_ppc__read_ppc.snap

@@ -4,6 +4,9 @@ expression: obj
 ---
 Object {
     arch: ArchPpc {
+        extensions: Extensions(
+            2,
+        ),
         extab: None,
     },
     endianness: Big,
@@ -581,4 +584,5 @@ Object {
     ),
     path: None,
     timestamp: None,
+    flow_analysis_results: {},
 }

objdiff-core/tests/snapshots/arch_ppc__read_vmx128_coff-3.snap

@@ -0,0 +1,134 @@
+---
+source: objdiff-core/tests/arch_ppc.rs
+expression: output
+---
+[(Address(0), Normal, 5), (Spacing(4), Normal, 0), (Opcode("mflr", 342), Normal, 10), (Argument(Opaque("r12")), Normal, 0), (Eol, Normal, 0)]
+[(Address(4), Normal, 5), (Spacing(4), Normal, 0), (Opcode("stw", 443), Normal, 10), (Argument(Opaque("r12")), Normal, 0), (Basic(", "), Normal, 0), (Argument(Signed(-8)), Normal, 0), (Basic("("), Normal, 0), (Argument(Opaque("r1")), Normal, 0), (Basic(")"), Normal, 0), (Eol, Normal, 0)]
+[(Address(8), Normal, 5), (Spacing(4), Normal, 0), (Opcode("stwu", 444), Normal, 10), (Argument(Opaque("r1")), Normal, 0), (Basic(", "), Normal, 0), (Argument(Signed(-336)), Normal, 0), (Basic("("), Normal, 0), (Argument(Opaque("r1")), Normal, 0), (Basic(")"), Normal, 0), (Eol, Normal, 0)]
+[(Address(12), Normal, 5), (Spacing(4), Normal, 0), (Opcode("lis", 264), Normal, 10), (Argument(Opaque("r11")), Normal, 0), (Basic(", "), Normal, 0), (Symbol(Symbol { name: "__real@3f800000", demangled_name: None, address: 388, size: 4, kind: Object, section: Some(4), flags: FlagSet(Global | SizeInferred), align: None, virtual_address: None }), Bright, 0), (Basic("@h"), Normal, 0), (Eol, Normal, 0)]
+[(Address(16), Normal, 5), (Spacing(4), Normal, 0), (Opcode("lfs", 455), Normal, 10), (Argument(Opaque("f0")), Normal, 0), (Basic(", "), Normal, 0), (Symbol(Symbol { name: "__real@3f800000", demangled_name: None, address: 388, size: 4, kind: Object, section: Some(4), flags: FlagSet(Global | SizeInferred), align: None, virtual_address: None }), Bright, 0), (Basic("@l"), Normal, 0), (Basic("("), Normal, 0), (Argument(Opaque("r11")), Normal, 0), (Basic(")"), Normal, 0), (Eol, Normal, 0)]
+[(Address(20), Normal, 5), (Spacing(4), Normal, 0), (Opcode("stfs", 459), Normal, 10), (Argument(Opaque("f0")), Normal, 0), (Basic(", "), Normal, 0), (Argument(Signed(272)), Normal, 0), (Basic("("), Normal, 0), (Argument(Opaque("r1")), Normal, 0), (Basic(")"), Normal, 0), (Eol, Normal, 0)]
+[(Address(24), Normal, 5), (Spacing(4), Normal, 0), (Opcode("lis", 264), Normal, 10), (Argument(Opaque("r10")), Normal, 0), (Basic(", "), Normal, 0), (Symbol(Symbol { name: "__real@40000000", demangled_name: None, address: 384, size: 4, kind: Object, section: Some(4), flags: FlagSet(Global | SizeInferred), align: None, virtual_address: None }), Bright, 0), (Basic("@h"), Normal, 0), (Eol, Normal, 0)]
+[(Address(28), Normal, 5), (Spacing(4), Normal, 0), (Opcode("lfs", 455), Normal, 10), (Argument(Opaque("f13")), Normal, 0), (Basic(", "), Normal, 0), (Symbol(Symbol { name: "__real@40000000", demangled_name: None, address: 384, size: 4, kind: Object, section: Some(4), flags: FlagSet(Global | SizeInferred), align: None, virtual_address: None }), Bright, 0), (Basic("@l"), Normal, 0), (Basic("("), Normal, 0), (Argument(Opaque("r10")), Normal, 0), (Basic(")"), Normal, 0), (Eol, Normal, 0)]
+[(Address(32), Normal, 5), (Spacing(4), Normal, 0), (Opcode("stfs", 459), Normal, 10), (Argument(Opaque("f13")), Normal, 0), (Basic(", "), Normal, 0), (Argument(Signed(276)), Normal, 0), (Basic("("), Normal, 0), (Argument(Opaque("r1")), Normal, 0), (Basic(")"), Normal, 0), (Eol, Normal, 0)]
+[(Address(36), Normal, 5), (Spacing(4), Normal, 0), (Opcode("lis", 264), Normal, 10), (Argument(Opaque("r9")), Normal, 0), (Basic(", "), Normal, 0), (Symbol(Symbol { name: "__real@40400000", demangled_name: None, address: 380, size: 4, kind: Object, section: Some(4), flags: FlagSet(Global | SizeInferred), align: None, virtual_address: None }), Bright, 0), (Basic("@h"), Normal, 0), (Eol, Normal, 0)]
+[(Address(40), Normal, 5), (Spacing(4), Normal, 0), (Opcode("lfs", 455), Normal, 10), (Argument(Opaque("f12")), Normal, 0), (Basic(", "), Normal, 0), (Symbol(Symbol { name: "__real@40400000", demangled_name: None, address: 380, size: 4, kind: Object, section: Some(4), flags: FlagSet(Global | SizeInferred), align: None, virtual_address: None }), Bright, 0), (Basic("@l"), Normal, 0), (Basic("("), Normal, 0), (Argument(Opaque("r9")), Normal, 0), (Basic(")"), Normal, 0), (Eol, Normal, 0)]
+[(Address(44), Normal, 5), (Spacing(4), Normal, 0), (Opcode("stfs", 459), Normal, 10), (Argument(Opaque("f12")), Normal, 0), (Basic(", "), Normal, 0), (Argument(Signed(280)), Normal, 0), (Basic("("), Normal, 0), (Argument(Opaque("r1")), Normal, 0), (Basic(")"), Normal, 0), (Eol, Normal, 0)]
+[(Address(48), Normal, 5), (Spacing(4), Normal, 0), (Opcode("lis", 264), Normal, 10), (Argument(Opaque("r8")), Normal, 0), (Basic(", "), Normal, 0), (Symbol(Symbol { name: "__real@40800000", demangled_name: None, address: 376, size: 4, kind: Object, section: Some(4), flags: FlagSet(Global | SizeInferred), align: None, virtual_address: None }), Bright, 0), (Basic("@h"), Normal, 0), (Eol, Normal, 0)]
+[(Address(52), Normal, 5), (Spacing(4), Normal, 0), (Opcode("lfs", 455), Normal, 10), (Argument(Opaque("f11")), Normal, 0), (Basic(", "), Normal, 0), (Symbol(Symbol { name: "__real@40800000", demangled_name: None, address: 376, size: 4, kind: Object, section: Some(4), flags: FlagSet(Global | SizeInferred), align: None, virtual_address: None }), Bright, 0), (Basic("@l"), Normal, 0), (Basic("("), Normal, 0), (Argument(Opaque("r8")), Normal, 0), (Basic(")"), Normal, 0), (Eol, Normal, 0)]
+[(Address(56), Normal, 5), (Spacing(4), Normal, 0), (Opcode("stfs", 459), Normal, 10), (Argument(Opaque("f11")), Normal, 0), (Basic(", "), Normal, 0), (Argument(Signed(284)), Normal, 0), (Basic("("), Normal, 0), (Argument(Opaque("r1")), Normal, 0), (Basic(")"), Normal, 0), (Eol, Normal, 0)]
+[(Address(60), Normal, 5), (Spacing(4), Normal, 0), (Opcode("lis", 264), Normal, 10), (Argument(Opaque("r7")), Normal, 0), (Basic(", "), Normal, 0), (Symbol(Symbol { name: "__real@40a00000", demangled_name: None, address: 372, size: 4, kind: Object, section: Some(4), flags: FlagSet(Global | SizeInferred), align: None, virtual_address: None }), Bright, 0), (Basic("@h"), Normal, 0), (Eol, Normal, 0)]
+[(Address(64), Normal, 5), (Spacing(4), Normal, 0), (Opcode("lfs", 455), Normal, 10), (Argument(Opaque("f10")), Normal, 0), (Basic(", "), Normal, 0), (Symbol(Symbol { name: "__real@40a00000", demangled_name: None, address: 372, size: 4, kind: Object, section: Some(4), flags: FlagSet(Global | SizeInferred), align: None, virtual_address: None }), Bright, 0), (Basic("@l"), Normal, 0), (Basic("("), Normal, 0), (Argument(Opaque("r7")), Normal, 0), (Basic(")"), Normal, 0), (Eol, Normal, 0)]
+[(Address(68), Normal, 5), (Spacing(4), Normal, 0), (Opcode("stfs", 459), Normal, 10), (Argument(Opaque("f10")), Normal, 0), (Basic(", "), Normal, 0), (Argument(Signed(256)), Normal, 0), (Basic("("), Normal, 0), (Argument(Opaque("r1")), Normal, 0), (Basic(")"), Normal, 0), (Eol, Normal, 0)]
+[(Address(72), Normal, 5), (Spacing(4), Normal, 0), (Opcode("lis", 264), Normal, 10), (Argument(Opaque("r6")), Normal, 0), (Basic(", "), Normal, 0), (Symbol(Symbol { name: "__real@40c00000", demangled_name: None, address: 368, size: 4, kind: Object, section: Some(4), flags: FlagSet(Global | SizeInferred), align: None, virtual_address: None }), Bright, 0), (Basic("@h"), Normal, 0), (Eol, Normal, 0)]
+[(Address(76), Normal, 5), (Spacing(4), Normal, 0), (Opcode("lfs", 455), Normal, 10), (Argument(Opaque("f9")), Normal, 0), (Basic(", "), Normal, 0), (Symbol(Symbol { name: "__real@40c00000", demangled_name: None, address: 368, size: 4, kind: Object, section: Some(4), flags: FlagSet(Global | SizeInferred), align: None, virtual_address: None }), Bright, 0), (Basic("@l"), Normal, 0), (Basic("("), Normal, 0), (Argument(Opaque("r6")), Normal, 0), (Basic(")"), Normal, 0), (Eol, Normal, 0)]
+[(Address(80), Normal, 5), (Spacing(4), Normal, 0), (Opcode("stfs", 459), Normal, 10), (Argument(Opaque("f9")), Normal, 0), (Basic(", "), Normal, 0), (Argument(Signed(260)), Normal, 0), (Basic("("), Normal, 0), (Argument(Opaque("r1")), Normal, 0), (Basic(")"), Normal, 0), (Eol, Normal, 0)]
+[(Address(84), Normal, 5), (Spacing(4), Normal, 0), (Opcode("lis", 264), Normal, 10), (Argument(Opaque("r5")), Normal, 0), (Basic(", "), Normal, 0), (Symbol(Symbol { name: "__real@40e00000", demangled_name: None, address: 364, size: 4, kind: Object, section: Some(4), flags: FlagSet(Global | SizeInferred), align: None, virtual_address: None }), Bright, 0), (Basic("@h"), Normal, 0), (Eol, Normal, 0)]
+[(Address(88), Normal, 5), (Spacing(4), Normal, 0), (Opcode("lfs", 455), Normal, 10), (Argument(Opaque("f8")), Normal, 0), (Basic(", "), Normal, 0), (Symbol(Symbol { name: "__real@40e00000", demangled_name: None, address: 364, size: 4, kind: Object, section: Some(4), flags: FlagSet(Global | SizeInferred), align: None, virtual_address: None }), Bright, 0), (Basic("@l"), Normal, 0), (Basic("("), Normal, 0), (Argument(Opaque("r5")), Normal, 0), (Basic(")"), Normal, 0), (Eol, Normal, 0)]
+[(Address(92), Normal, 5), (Spacing(4), Normal, 0), (Opcode("stfs", 459), Normal, 10), (Argument(Opaque("f8")), Normal, 0), (Basic(", "), Normal, 0), (Argument(Signed(264)), Normal, 0), (Basic("("), Normal, 0), (Argument(Opaque("r1")), Normal, 0), (Basic(")"), Normal, 0), (Eol, Normal, 0)]
+[(Address(96), Normal, 5), (Spacing(4), Normal, 0), (Opcode("lis", 264), Normal, 10), (Argument(Opaque("r4")), Normal, 0), (Basic(", "), Normal, 0), (Symbol(Symbol { name: "__real@41000000", demangled_name: None, address: 360, size: 4, kind: Object, section: Some(4), flags: FlagSet(Global | SizeInferred), align: None, virtual_address: None }), Bright, 0), (Basic("@h"), Normal, 0), (Eol, Normal, 0)]
+[(Address(100), Normal, 5), (Spacing(4), Normal, 0), (Opcode("lfs", 455), Normal, 10), (Argument(Opaque("f7")), Normal, 0), (Basic(", "), Normal, 0), (Symbol(Symbol { name: "__real@41000000", demangled_name: None, address: 360, size: 4, kind: Object, section: Some(4), flags: FlagSet(Global | SizeInferred), align: None, virtual_address: None }), Bright, 0), (Basic("@l"), Normal, 0), (Basic("("), Normal, 0), (Argument(Opaque("r4")), Normal, 0), (Basic(")"), Normal, 0), (Eol, Normal, 0)]
+[(Address(104), Normal, 5), (Spacing(4), Normal, 0), (Opcode("stfs", 459), Normal, 10), (Argument(Opaque("f7")), Normal, 0), (Basic(", "), Normal, 0), (Argument(Signed(268)), Normal, 0), (Basic("("), Normal, 0), (Argument(Opaque("r1")), Normal, 0), (Basic(")"), Normal, 0), (Eol, Normal, 0)]
+[(Address(108), Normal, 5), (Spacing(4), Normal, 0), (Opcode("lis", 264), Normal, 10), (Argument(Opaque("r3")), Normal, 0), (Basic(", "), Normal, 0), (Symbol(Symbol { name: "__real@3f000000", demangled_name: None, address: 356, size: 4, kind: Object, section: Some(4), flags: FlagSet(Global | SizeInferred), align: None, virtual_address: None }), Bright, 0), (Basic("@h"), Normal, 0), (Eol, Normal, 0)]
+[(Address(112), Normal, 5), (Spacing(4), Normal, 0), (Opcode("lfs", 455), Normal, 10), (Argument(Opaque("f6")), Normal, 0), (Basic(", "), Normal, 0), (Symbol(Symbol { name: "__real@3f000000", demangled_name: None, address: 356, size: 4, kind: Object, section: Some(4), flags: FlagSet(Global | SizeInferred), align: None, virtual_address: None }), Bright, 0), (Basic("@l"), Normal, 0), (Basic("("), Normal, 0), (Argument(Opaque("r3")), Normal, 0), (Basic(")"), Normal, 0), (Eol, Normal, 0)]
+[(Address(116), Normal, 5), (Spacing(4), Normal, 0), (Opcode("stfs", 459), Normal, 10), (Argument(Opaque("f6")), Normal, 0), (Basic(", "), Normal, 0), (Argument(Signed(224)), Normal, 0), (Basic("("), Normal, 0), (Argument(Opaque("r1")), Normal, 0), (Basic(")"), Normal, 0), (Eol, Normal, 0)]
+[(Address(120), Normal, 5), (Spacing(4), Normal, 0), (Opcode("lis", 264), Normal, 10), (Argument(Opaque("r11")), Normal, 0), (Basic(", "), Normal, 0), (Symbol(Symbol { name: "__real@3f000000", demangled_name: None, address: 356, size: 4, kind: Object, section: Some(4), flags: FlagSet(Global | SizeInferred), align: None, virtual_address: None }), Bright, 0), (Basic("@h"), Normal, 0), (Eol, Normal, 0)]
+[(Address(124), Normal, 5), (Spacing(4), Normal, 0), (Opcode("lfs", 455), Normal, 10), (Argument(Opaque("f5")), Normal, 0), (Basic(", "), Normal, 0), (Symbol(Symbol { name: "__real@3f000000", demangled_name: None, address: 356, size: 4, kind: Object, section: Some(4), flags: FlagSet(Global | SizeInferred), align: None, virtual_address: None }), Bright, 0), (Basic("@l"), Normal, 0), (Basic("("), Normal, 0), (Argument(Opaque("r11")), Normal, 0), (Basic(")"), Normal, 0), (Eol, Normal, 0)]
+[(Address(128), Normal, 5), (Spacing(4), Normal, 0), (Opcode("stfs", 459), Normal, 10), (Argument(Opaque("f5")), Normal, 0), (Basic(", "), Normal, 0), (Argument(Signed(228)), Normal, 0), (Basic("("), Normal, 0), (Argument(Opaque("r1")), Normal, 0), (Basic(")"), Normal, 0), (Eol, Normal, 0)]
+[(Address(132), Normal, 5), (Spacing(4), Normal, 0), (Opcode("lis", 264), Normal, 10), (Argument(Opaque("r10")), Normal, 0), (Basic(", "), Normal, 0), (Symbol(Symbol { name: "__real@3f000000", demangled_name: None, address: 356, size: 4, kind: Object, section: Some(4), flags: FlagSet(Global | SizeInferred), align: None, virtual_address: None }), Bright, 0), (Basic("@h"), Normal, 0), (Eol, Normal, 0)]
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+[(Address(416), Normal, 5), (Spacing(4), Normal, 0), (Opcode("lvx128", 187), Normal, 10), (Argument(Opaque("v1")), Normal, 0), (Basic(", "), Normal, 0), (Argument(Opaque("r0")), Normal, 0), (Basic(", "), Normal, 0), (Argument(Opaque("r3")), Normal, 0), (Eol, Normal, 0)]
+[(Address(420), Normal, 5), (Spacing(4), Normal, 0), (Opcode("lis", 264), Normal, 10), (Argument(Opaque("r11")), Normal, 0), (Basic(", "), Normal, 0), (Symbol(Symbol { name: "$SG4434", demangled_name: None, address: 64, size: 8, kind: Object, section: Some(4), flags: FlagSet(Local | SizeInferred), align: None, virtual_address: None }), Bright, 0), (Basic("@h"), Normal, 0), (Eol, Normal, 0)]
+[(Address(424), Normal, 5), (Spacing(4), Normal, 0), (Opcode("addi", 263), Normal, 10), (Argument(Opaque("r3")), Normal, 0), (Basic(", "), Normal, 0), (Argument(Opaque("r11")), Normal, 0), (Basic(", "), Normal, 0), (Symbol(Symbol { name: "$SG4434", demangled_name: None, address: 64, size: 8, kind: Object, section: Some(4), flags: FlagSet(Local | SizeInferred), align: None, virtual_address: None }), Bright, 0), (Basic("@l"), Normal, 0), (Eol, Normal, 0)]
+[(Address(428), Normal, 5), (Spacing(4), Normal, 0), (Opcode("bl", 267), Normal, 10), (Symbol(Symbol { name: "?PrintVector@@YAXPBDU__vector4@@@Z", demangled_name: Some("void __cdecl PrintVector(char const *, struct __vector4)"), address: 0, size: 120, kind: Function, section: Some(5), flags: FlagSet(Global | SizeInferred), align: None, virtual_address: None }), Bright, 0), (Eol, Normal, 0)]
+[(Address(432), Normal, 5), (Spacing(4), Normal, 0), (Opcode("addi", 263), Normal, 10), (Argument(Opaque("r10")), Normal, 0), (Basic(", "), Normal, 0), (Argument(Opaque("r1")), Normal, 0), (Basic(", "), Normal, 0), (Argument(Signed(208)), Normal, 0), (Eol, Normal, 0)]
+[(Address(436), Normal, 5), (Spacing(4), Normal, 0), (Opcode("lvx128", 187), Normal, 10), (Argument(Opaque("v1")), Normal, 0), (Basic(", "), Normal, 0), (Argument(Opaque("r0")), Normal, 0), (Basic(", "), Normal, 0), (Argument(Opaque("r10")), Normal, 0), (Eol, Normal, 0)]
+[(Address(440), Normal, 5), (Spacing(4), Normal, 0), (Opcode("lis", 264), Normal, 10), (Argument(Opaque("r9")), Normal, 0), (Basic(", "), Normal, 0), (Symbol(Symbol { name: "$SG4435", demangled_name: None, address: 72, size: 8, kind: Object, section: Some(4), flags: FlagSet(Local | SizeInferred), align: None, virtual_address: None }), Bright, 0), (Basic("@h"), Normal, 0), (Eol, Normal, 0)]
+[(Address(444), Normal, 5), (Spacing(4), Normal, 0), (Opcode("addi", 263), Normal, 10), (Argument(Opaque("r3")), Normal, 0), (Basic(", "), Normal, 0), (Argument(Opaque("r9")), Normal, 0), (Basic(", "), Normal, 0), (Symbol(Symbol { name: "$SG4435", demangled_name: None, address: 72, size: 8, kind: Object, section: Some(4), flags: FlagSet(Local | SizeInferred), align: None, virtual_address: None }), Bright, 0), (Basic("@l"), Normal, 0), (Eol, Normal, 0)]
+[(Address(448), Normal, 5), (Spacing(4), Normal, 0), (Opcode("bl", 267), Normal, 10), (Symbol(Symbol { name: "?PrintVector@@YAXPBDU__vector4@@@Z", demangled_name: Some("void __cdecl PrintVector(char const *, struct __vector4)"), address: 0, size: 120, kind: Function, section: Some(5), flags: FlagSet(Global | SizeInferred), align: None, virtual_address: None }), Bright, 0), (Eol, Normal, 0)]
+[(Address(452), Normal, 5), (Spacing(4), Normal, 0), (Opcode("addi", 263), Normal, 10), (Argument(Opaque("r8")), Normal, 0), (Basic(", "), Normal, 0), (Argument(Opaque("r1")), Normal, 0), (Basic(", "), Normal, 0), (Argument(Signed(192)), Normal, 0), (Eol, Normal, 0)]
+[(Address(456), Normal, 5), (Spacing(4), Normal, 0), (Opcode("lvx128", 187), Normal, 10), (Argument(Opaque("v1")), Normal, 0), (Basic(", "), Normal, 0), (Argument(Opaque("r0")), Normal, 0), (Basic(", "), Normal, 0), (Argument(Opaque("r8")), Normal, 0), (Eol, Normal, 0)]
+[(Address(460), Normal, 5), (Spacing(4), Normal, 0), (Opcode("lis", 264), Normal, 10), (Argument(Opaque("r7")), Normal, 0), (Basic(", "), Normal, 0), (Symbol(Symbol { name: "$SG4436", demangled_name: None, address: 80, size: 12, kind: Object, section: Some(4), flags: FlagSet(Local | SizeInferred), align: None, virtual_address: None }), Bright, 0), (Basic("@h"), Normal, 0), (Eol, Normal, 0)]
+[(Address(464), Normal, 5), (Spacing(4), Normal, 0), (Opcode("addi", 263), Normal, 10), (Argument(Opaque("r3")), Normal, 0), (Basic(", "), Normal, 0), (Argument(Opaque("r7")), Normal, 0), (Basic(", "), Normal, 0), (Symbol(Symbol { name: "$SG4436", demangled_name: None, address: 80, size: 12, kind: Object, section: Some(4), flags: FlagSet(Local | SizeInferred), align: None, virtual_address: None }), Bright, 0), (Basic("@l"), Normal, 0), (Eol, Normal, 0)]
+[(Address(468), Normal, 5), (Spacing(4), Normal, 0), (Opcode("bl", 267), Normal, 10), (Symbol(Symbol { name: "?PrintVector@@YAXPBDU__vector4@@@Z", demangled_name: Some("void __cdecl PrintVector(char const *, struct __vector4)"), address: 0, size: 120, kind: Function, section: Some(5), flags: FlagSet(Global | SizeInferred), align: None, virtual_address: None }), Bright, 0), (Eol, Normal, 0)]
+[(Address(472), Normal, 5), (Spacing(4), Normal, 0), (Opcode("addi", 263), Normal, 10), (Argument(Opaque("r6")), Normal, 0), (Basic(", "), Normal, 0), (Argument(Opaque("r1")), Normal, 0), (Basic(", "), Normal, 0), (Argument(Signed(176)), Normal, 0), (Eol, Normal, 0)]
+[(Address(476), Normal, 5), (Spacing(4), Normal, 0), (Opcode("lvx128", 187), Normal, 10), (Argument(Opaque("v1")), Normal, 0), (Basic(", "), Normal, 0), (Argument(Opaque("r0")), Normal, 0), (Basic(", "), Normal, 0), (Argument(Opaque("r6")), Normal, 0), (Eol, Normal, 0)]
+[(Address(480), Normal, 5), (Spacing(4), Normal, 0), (Opcode("lis", 264), Normal, 10), (Argument(Opaque("r5")), Normal, 0), (Basic(", "), Normal, 0), (Symbol(Symbol { name: "$SG4437", demangled_name: None, address: 92, size: 12, kind: Object, section: Some(4), flags: FlagSet(Local | SizeInferred), align: None, virtual_address: None }), Bright, 0), (Basic("@h"), Normal, 0), (Eol, Normal, 0)]
+[(Address(484), Normal, 5), (Spacing(4), Normal, 0), (Opcode("addi", 263), Normal, 10), (Argument(Opaque("r3")), Normal, 0), (Basic(", "), Normal, 0), (Argument(Opaque("r5")), Normal, 0), (Basic(", "), Normal, 0), (Symbol(Symbol { name: "$SG4437", demangled_name: None, address: 92, size: 12, kind: Object, section: Some(4), flags: FlagSet(Local | SizeInferred), align: None, virtual_address: None }), Bright, 0), (Basic("@l"), Normal, 0), (Eol, Normal, 0)]
+[(Address(488), Normal, 5), (Spacing(4), Normal, 0), (Opcode("bl", 267), Normal, 10), (Symbol(Symbol { name: "?PrintVector@@YAXPBDU__vector4@@@Z", demangled_name: Some("void __cdecl PrintVector(char const *, struct __vector4)"), address: 0, size: 120, kind: Function, section: Some(5), flags: FlagSet(Global | SizeInferred), align: None, virtual_address: None }), Bright, 0), (Eol, Normal, 0)]
+[(Address(492), Normal, 5), (Spacing(4), Normal, 0), (Opcode("lis", 264), Normal, 10), (Argument(Opaque("r4")), Normal, 0), (Basic(", "), Normal, 0), (Symbol(Symbol { name: "$SG4438", demangled_name: None, address: 104, size: 4, kind: Object, section: Some(4), flags: FlagSet(Local | SizeInferred), align: None, virtual_address: None }), Bright, 0), (Basic("@h"), Normal, 0), (Eol, Normal, 0)]
+[(Address(496), Normal, 5), (Spacing(4), Normal, 0), (Opcode("addi", 263), Normal, 10), (Argument(Opaque("r3")), Normal, 0), (Basic(", "), Normal, 0), (Argument(Opaque("r4")), Normal, 0), (Basic(", "), Normal, 0), (Symbol(Symbol { name: "$SG4438", demangled_name: None, address: 104, size: 4, kind: Object, section: Some(4), flags: FlagSet(Local | SizeInferred), align: None, virtual_address: None }), Bright, 0), (Basic("@l"), Normal, 0), (Eol, Normal, 0)]
+[(Address(500), Normal, 5), (Spacing(4), Normal, 0), (Opcode("bl", 267), Normal, 10), (Symbol(Symbol { name: "printf", demangled_name: None, address: 0, size: 0, kind: Function, section: None, flags: FlagSet(Global), align: None, virtual_address: None }), Bright, 0), (Eol, Normal, 0)]
+[(Address(504), Normal, 5), (Spacing(4), Normal, 0), (Opcode("addi", 263), Normal, 10), (Argument(Opaque("r1")), Normal, 0), (Basic(", "), Normal, 0), (Argument(Opaque("r1")), Normal, 0), (Basic(", "), Normal, 0), (Argument(Signed(336)), Normal, 0), (Eol, Normal, 0)]
+[(Address(508), Normal, 5), (Spacing(4), Normal, 0), (Opcode("lwz", 439), Normal, 10), (Argument(Opaque("r12")), Normal, 0), (Basic(", "), Normal, 0), (Argument(Signed(-8)), Normal, 0), (Basic("("), Normal, 0), (Argument(Opaque("r1")), Normal, 0), (Basic(")"), Normal, 0), (Eol, Normal, 0)]
+[(Address(512), Normal, 5), (Spacing(4), Normal, 0), (Opcode("mtlr", 348), Normal, 10), (Argument(Opaque("r12")), Normal, 0), (Eol, Normal, 0)]
+[(Address(516), Normal, 5), (Spacing(4), Normal, 0), (Opcode("blr", 269), Normal, 10), (Eol, Normal, 0)]

objdiff-core/tests/snapshots/arch_x86__read_x86.snap

@@ -207,4 +207,5 @@ Object {
     split_meta: None,
     path: None,
     timestamp: None,
+    flow_analysis_results: {},
 }

objdiff-core/tests/snapshots/arch_x86__read_x86_64.snap

@@ -1574,4 +1574,5 @@ Object {
     split_meta: None,
     path: None,
     timestamp: None,
+    flow_analysis_results: {},
 }

objdiff-core/tests/snapshots/arch_x86__read_x86_jumptable.snap

@@ -311,4 +311,5 @@ Object {
     split_meta: None,
     path: None,
     timestamp: None,
+    flow_analysis_results: {},
 }

objdiff-core/tests/snapshots/arch_x86__read_x86_local_labels.snap

@@ -0,0 +1,164 @@
+---
+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,
+    flow_analysis_results: {},
+}

objdiff-gui/src/app.rs

@@ -542,7 +542,7 @@ impl App {
                 Ok(()) => state.config_error = None,
                 Err(e) => {
                     log::error!("Failed to load project config: {e}");
-                    state.config_error = Some(format!("{e}"));
+                    state.config_error = Some(e.to_string());
                 }
             }
         }

objdiff-gui/src/fonts/mod.rs

@@ -25,7 +25,7 @@ pub fn load_font_family(
 ) -> Option<LoadedFontFamily> {
     let family_handle = source.select_family_by_name(name).ok()?;
     if family_handle.fonts().is_empty() {
-        log::warn!("No fonts found for family '{}'", name);
+        log::warn!("No fonts found for family '{name}'");
         return None;
     }
     let handles = family_handle.fonts().to_vec();
@@ -34,7 +34,7 @@ pub fn load_font_family(
         match font_kit::loaders::default::Font::from_handle(handle) {
             Ok(font) => loaded.push(font),
             Err(err) => {
-                log::warn!("Failed to load font '{}': {}", name, err);
+                log::warn!("Failed to load font '{name}': {err}");
                 return None;
             }
         }
@@ -89,7 +89,7 @@ pub fn load_font_if_needed(
         egui::FontFamily::Name(v) => v,
     };
     let family = load_font_family(source, family_name)
-        .with_context(|| format!("Failed to load font family '{}'", family_name))?;
+        .with_context(|| format!("Failed to load font family '{family_name}'"))?;
     let default_fonts = fonts.families.get(&base_family).cloned().unwrap_or_default();
     // FIXME clean up
     let default_font_ref = family.fonts.get(family.default_index).unwrap();

objdiff-gui/src/views/appearance.rs

@@ -23,6 +23,8 @@ pub struct Appearance {
     #[serde(skip)]
     pub highlight_color: Color32, // WHITE
     #[serde(skip)]
+    pub dataflow_color: Color32, //
+    #[serde(skip)]
     pub replace_color: Color32, // LIGHT_BLUE
     #[serde(skip)]
     pub insert_color: Color32, // GREEN
@@ -61,6 +63,7 @@ impl Default for Appearance {
             emphasized_text_color: Color32::LIGHT_GRAY,
             deemphasized_text_color: Color32::DARK_GRAY,
             highlight_color: Color32::WHITE,
+            dataflow_color: Color32::from_rgb(0, 128, 128),
             replace_color: Color32::LIGHT_BLUE,
             insert_color: Color32::GREEN,
             delete_color: Color32::from_rgb(200, 40, 41),
@@ -104,6 +107,7 @@ impl Appearance {
                 self.emphasized_text_color = Color32::LIGHT_GRAY;
                 self.deemphasized_text_color = Color32::DARK_GRAY;
                 self.highlight_color = Color32::WHITE;
+                self.dataflow_color = Color32::from_rgb(0, 128, 128);
                 self.replace_color = Color32::LIGHT_BLUE;
                 self.insert_color = Color32::GREEN;
                 self.delete_color = Color32::from_rgb(200, 40, 41);
@@ -114,6 +118,7 @@ impl Appearance {
                 self.emphasized_text_color = Color32::DARK_GRAY;
                 self.deemphasized_text_color = Color32::LIGHT_GRAY;
                 self.highlight_color = Color32::BLACK;
+                self.dataflow_color = Color32::from_rgb(0, 128, 128);
                 self.replace_color = Color32::DARK_BLUE;
                 self.insert_color = Color32::DARK_GREEN;
                 self.delete_color = Color32::from_rgb(200, 40, 41);
@@ -136,7 +141,7 @@ impl Appearance {
             ) {
                 Ok(()) => self.ui_font = next_ui_font,
                 Err(e) => {
-                    log::error!("Failed to load font: {}", e)
+                    log::error!("Failed to load font: {e}")
                 }
             }
         }
@@ -150,7 +155,7 @@ impl Appearance {
             ) {
                 Ok(()) => self.code_font = next_code_font,
                 Err(e) => {
-                    log::error!("Failed to load font: {}", e)
+                    log::error!("Failed to load font: {e}")
                 }
             }
         }
@@ -167,7 +172,7 @@ impl Appearance {
         ) {
             Ok(_) => {}
             Err(e) => {
-                log::error!("Failed to load font: {}", e);
+                log::error!("Failed to load font: {e}");
                 // Revert to default
                 self.ui_font = DEFAULT_UI_FONT;
             }
@@ -181,7 +186,7 @@ impl Appearance {
         ) {
             Ok(_) => {}
             Err(e) => {
-                log::error!("Failed to load font: {}", e);
+                log::error!("Failed to load font: {e}");
                 // Revert to default
                 self.code_font = DEFAULT_CODE_FONT;
             }

objdiff-gui/src/views/config.rs

@@ -380,7 +380,7 @@ fn object_context_ui(ui: &mut egui::Ui, object: &ObjectConfig) {
             .on_hover_text("Open the source file in the default editor")
             .clicked()
         {
-            log::info!("Opening file {}", source_path);
+            log::info!("Opening file {source_path}");
             if let Err(e) = open::that_detached(source_path.as_str()) {
                 log::error!("Failed to open source file: {e}");
             }
@@ -509,7 +509,7 @@ fn format_path(path: &Option<Utf8PlatformPathBuf>, appearance: &Appearance) -> R
             .and_then(|home| check_path_buf(home).ok())
             .and_then(|home| dir.strip_prefix(&home).ok())
         {
-            format!("~{}{}", MAIN_SEPARATOR, rel)
+            format!("~{MAIN_SEPARATOR}{rel}")
         } else {
             dir.to_string()
         }
@@ -808,7 +808,7 @@ fn split_obj_config_ui(
     for (idx, glob) in state.config.watch_patterns.iter().enumerate() {
         ui.horizontal(|ui| {
             ui.label(
-                RichText::new(format!("{}", glob))
+                RichText::new(glob.to_string())
                     .color(appearance.text_color)
                     .family(FontFamily::Monospace),
             );

objdiff-gui/src/views/data_diff.rs

@@ -147,14 +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) {
@@ -279,6 +281,24 @@ pub fn diff_view_ui(
                     })
                 });
             }
+
+            // Only need to check the first Object. Technically the first could not have a flow analysis
+            // result while the second does but we don't want to waste space on two separate checkboxes.
+            if state.current_view == View::FunctionDiff
+                && result
+                    .first_obj
+                    .as_ref()
+                    .is_some_and(|(first, _)| first.has_flow_analysis_result())
+            {
+                let mut value = diff_config.show_data_flow;
+                if ui
+                    .checkbox(&mut value, "Show data flow")
+                    .on_hover_text("Show data flow analysis results in place of register names")
+                    .clicked()
+                {
+                    ret = Some(DiffViewAction::SetShowDataFlow(value));
+                }
+            }
         } else if column == 1 {
             // Right column
 
@@ -370,14 +390,14 @@ pub fn diff_view_ui(
                     let mut needs_separator = false;
                     if let Some(match_percent) = symbol_diff.match_percent {
                         let response = ui.label(
-                            RichText::new(format!("{:.2}%", match_percent))
+                            RichText::new(format!("{match_percent:.2}%"))
                                 .font(appearance.code_font.clone())
                                 .color(match_color_for_symbol(match_percent, appearance)),
                         );
                         if let Some((diff_score, max_score)) = symbol_diff.diff_score {
                             response.on_hover_ui_at_pointer(|ui| {
                                 ui.label(
-                                    RichText::new(format!("Score: {}/{}", diff_score, max_score))
+                                    RichText::new(format!("Score: {diff_score}/{max_score}"))
                                         .font(appearance.code_font.clone())
                                         .color(appearance.text_color),
                                 );
@@ -497,6 +517,7 @@ 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 +800,6 @@ 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)
 }

objdiff-gui/src/views/function_diff.rs

@@ -146,17 +146,17 @@ fn diff_text_ui(
     let label_text = match segment.text {
         DiffText::Basic(text) => text.to_string(),
         DiffText::Line(num) => format!("{num} "),
-        DiffText::Address(addr) => format!("{:x}:", addr),
+        DiffText::Address(addr) => format!("{addr:x}:"),
         DiffText::Opcode(mnemonic, _op) => format!("{mnemonic} "),
         DiffText::Argument(arg) => match arg {
             InstructionArgValue::Signed(v) => format!("{:#x}", ReallySigned(v)),
-            InstructionArgValue::Unsigned(v) => format!("{:#x}", v),
+            InstructionArgValue::Unsigned(v) => format!("{v:#x}"),
             InstructionArgValue::Opaque(v) => v.into_owned(),
         },
         DiffText::BranchDest(addr) => format!("{addr:x}"),
         DiffText::Symbol(sym) => sym.demangled_name.as_ref().unwrap_or(&sym.name).clone(),
         DiffText::Addend(addend) => match addend.cmp(&0i64) {
-            Ordering::Greater => format!("+{:#x}", addend),
+            Ordering::Greater => format!("+{addend:#x}"),
             Ordering::Less => format!("-{:#x}", -addend),
             _ => String::new(),
         },
@@ -174,6 +174,7 @@ fn diff_text_ui(
         DiffTextColor::Normal => appearance.text_color,
         DiffTextColor::Dim => appearance.deemphasized_text_color,
         DiffTextColor::Bright => appearance.emphasized_text_color,
+        DiffTextColor::DataFlow => appearance.dataflow_color,
         DiffTextColor::Replace => appearance.replace_color,
         DiffTextColor::Delete => appearance.delete_color,
         DiffTextColor::Insert => appearance.insert_color,

objdiff-gui/src/views/graphics.rs

@@ -157,7 +157,7 @@ pub fn graphics_window(
                                 state.should_relaunch = true;
                             }
                             Err(e) => {
-                                log::error!("Failed to save graphics config: {:?}", e);
+                                log::error!("Failed to save graphics config: {e:?}");
                                 state.graphics_config.desired_backend = prev_backend;
                             }
                         }

objdiff-gui/src/views/jobs.rs

@@ -37,7 +37,7 @@ pub fn jobs_ui(ui: &mut egui::Ui, jobs: &mut JobQueue, appearance: &Appearance)
         bar.ui(ui);
         const STATUS_LENGTH: usize = 80;
         if let Some(err) = &status.error {
-            let err_string = format!("{:#}", err);
+            let err_string = format!("{err:#}");
             ui.colored_label(
                 appearance.delete_color,
                 if err_string.len() > STATUS_LENGTH - 10 {
@@ -119,7 +119,7 @@ pub fn jobs_menu_ui(ui: &mut egui::Ui, jobs: &mut JobQueue, appearance: &Appeara
         }
         Ordering::Greater => {
             spinner.ui(ui);
-            clicked |= ui.link(format!("{} running", running_jobs)).clicked();
+            clicked |= ui.link(format!("{running_jobs} running")).clicked();
         }
         _ => (),
     }
@@ -135,9 +135,7 @@ pub fn jobs_menu_ui(ui: &mut egui::Ui, jobs: &mut JobQueue, appearance: &Appeara
         }
         Ordering::Greater => {
             clicked |= ui
-                .link(
-                    RichText::new(format!("{} errors", error_jobs)).color(appearance.delete_color),
-                )
+                .link(RichText::new(format!("{error_jobs} errors")).color(appearance.delete_color))
                 .clicked();
         }
         _ => (),

objdiff-gui/src/views/symbol_diff.rs

@@ -79,6 +79,8 @@ pub enum DiffViewAction {
     SetMapping(usize, usize),
     /// Set the show_mapped_symbols flag
     SetShowMappedSymbols(bool),
+    /// Set the show_data_flow flag
+    SetShowDataFlow(bool),
 }
 
 #[derive(Debug, Clone, Default, Eq, PartialEq)]
@@ -279,7 +281,7 @@ impl DiffViewState {
                 if let Some(source_path) =
                     state.config.selected_obj.as_ref().and_then(|obj| obj.source_path.as_ref())
                 {
-                    log::info!("Opening file {}", source_path);
+                    log::info!("Opening file {source_path}");
                     open::that_detached(source_path.as_str()).unwrap_or_else(|err| {
                         log::error!("Failed to open source file: {err}");
                     });
@@ -350,10 +352,20 @@ impl DiffViewState {
             DiffViewAction::SetShowMappedSymbols(value) => {
                 self.symbol_state.show_mapped_symbols = value;
             }
+            DiffViewAction::SetShowDataFlow(value) => {
+                let Ok(mut state) = state.write() else {
+                    return;
+                };
+                state.config.diff_obj_config.show_data_flow = value;
+            }
         }
     }
 
-    fn resolve_symbol(&self, symbol_idx: Option<usize>, column: usize) -> Option<ResolvedSymbol> {
+    fn resolve_symbol(
+        &self,
+        symbol_idx: Option<usize>,
+        column: usize,
+    ) -> Option<ResolvedSymbol<'_>> {
         let symbol_idx = symbol_idx?;
         let result = self.build.as_deref()?;
         let (obj, diff) = match column {

objdiff-wasm/package-lock.json

@@ -1,12 +1,12 @@
 {
   "name": "objdiff-wasm",
-  "version": "3.0.0-beta.7",
+  "version": "3.0.0-beta.11",
   "lockfileVersion": 3,
   "requires": true,
   "packages": {
     "": {
       "name": "objdiff-wasm",
-      "version": "3.0.0-beta.7",
+      "version": "3.0.0-beta.11",
       "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.7",
+  "version": "3.0.0-beta.11",
   "description": "A local diffing tool for decompilation projects.",
   "author": {
     "name": "Luke Street",

objdiff-wasm/src/api.rs

@@ -24,14 +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,
     },
 };
 
@@ -59,15 +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 {
@@ -134,48 +136,47 @@ 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 Some(symbol) = obj.symbols.get(symbol_idx) else {
-            return SymbolDisplay { name: "<unknown>".to_string(), ..Default::default() };
+        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)
         } else {
-            obj_diff.symbols.get(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,
+            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),
@@ -185,22 +186,22 @@ impl GuestDisplay for Component {
 
     fn display_instruction_row(
         diff: ObjectDiffBorrow,
-        symbol_display: SectionDisplaySymbol,
+        symbol_ref: SymbolRef,
         row_index: u32,
         diff_config: DiffConfigBorrow,
     ) -> InstructionDiffRow {
         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)
         } else {
-            obj_diff.symbols.get(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 {
@@ -208,7 +209,7 @@ impl GuestDisplay for Component {
         };
         let diff_config = diff_config.get::<ResourceDiffConfig>().0.borrow();
         let mut segments = Vec::with_capacity(16);
-        diff::display::display_row(obj, symbol_idx, row, &diff_config, |segment| {
+        diff::display::display_row(obj, symbol_display.symbol, row, &diff_config, |segment| {
             segments.push(DiffTextSegment::from(segment));
             Ok(())
         })
@@ -216,26 +217,22 @@ 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();
         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))
@@ -244,22 +241,22 @@ impl GuestDisplay for Component {
 
     fn instruction_context(
         diff: ObjectDiffBorrow,
-        symbol_display: SectionDisplaySymbol,
+        symbol_ref: SymbolRef,
         row_index: u32,
         diff_config: DiffConfigBorrow,
     ) -> 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)
         } else {
-            obj_diff.symbols.get(symbol_idx)
+            obj_diff.symbols.get(symbol_display.symbol)
         };
         let Some(ins_ref) = symbol_diff
             .and_then(|sd| sd.instruction_rows.get(row_index as usize))
@@ -268,7 +265,7 @@ impl GuestDisplay for Component {
             return Vec::new();
         };
         let diff_config = diff_config.get::<ResourceDiffConfig>().0.borrow();
-        let Some(resolved) = obj.resolve_instruction_ref(symbol_idx, ins_ref) else {
+        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()),
@@ -291,22 +288,22 @@ impl GuestDisplay for Component {
 
     fn instruction_hover(
         diff: ObjectDiffBorrow,
-        symbol_display: SectionDisplaySymbol,
+        symbol_ref: SymbolRef,
         row_index: u32,
         diff_config: DiffConfigBorrow,
     ) -> 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)
         } else {
-            obj_diff.symbols.get(symbol_idx)
+            obj_diff.symbols.get(symbol_display.symbol)
         };
         let Some(ins_ref) = symbol_diff
             .and_then(|sd| sd.instruction_rows.get(row_index as usize))
@@ -315,7 +312,7 @@ impl GuestDisplay for Component {
             return Vec::new();
         };
         let diff_config = diff_config.get::<ResourceDiffConfig>().0.borrow();
-        let Some(resolved) = obj.resolve_instruction_ref(symbol_idx, ins_ref) else {
+        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(),
@@ -404,6 +401,7 @@ impl From<diff::display::DiffTextColor> for DiffTextColor {
             diff::display::DiffTextColor::Replace => DiffTextColor::Replace,
             diff::display::DiffTextColor::Delete => DiffTextColor::Delete,
             diff::display::DiffTextColor::Insert => DiffTextColor::Insert,
+            diff::display::DiffTextColor::DataFlow => DiffTextColor::DataFlow,
             diff::display::DiffTextColor::Rotating(v) => DiffTextColor::Rotating(v),
         }
     }
@@ -497,20 +495,56 @@ impl GuestObject for ResourceObject {
 }
 
 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,
+        })
     }
 }
 
@@ -580,18 +614,28 @@ impl Default for SymbolFlags {
     fn default() -> Self { Self::empty() }
 }
 
-impl Default for SymbolDisplay {
+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(),
@@ -600,4 +644,30 @@ impl Default for SymbolDisplay {
     }
 }
 
+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/wit/objdiff.wit

@@ -24,58 +24,8 @@ interface diff {
     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,
@@ -94,17 +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>>,
@@ -194,6 +201,7 @@ interface display {
     dim,
     bright,
     replace,
+    data-flow,
     delete,
     insert,
     rotating(u8),
@@ -232,36 +240,36 @@ 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>,
   ) -> list<context-item>;
 
   instruction-hover: func(
     diff: borrow<object-diff>,
-    symbol: section-display-symbol,
+    symbol: symbol-ref,
     row-index: u32,
     config: borrow<diff-config>,
   ) -> list<hover-item>;