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

* Limit left-panel scrollview to the file tree

Removes the redundant build button

* Expand ScrollArea to full side panel width

* Use auto_shrink(false) instead of set_width

---------

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

.editorconfig

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

.github/workflows/build.yaml

@@ -4,13 +4,12 @@ on:
   pull_request:
   push:
     paths-ignore:
-      - '*.md'
-      - 'LICENSE*'
+      - "*.md"
+      - "LICENSE*"
   workflow_dispatch:
 
 env:
   BUILD_PROFILE: release-lto
-  CARGO_TARGET_DIR: target
   CARGO_INCREMENTAL: 0
 
 jobs:
@@ -33,9 +32,9 @@ jobs:
       - name: Cache Rust workspace
         uses: Swatinem/rust-cache@v2
       - name: Cargo check
-        run: cargo check --all-features --all-targets
+        run: cargo check --all-targets --all-features
       - name: Cargo clippy
-        run: cargo clippy --all-features --all-targets
+        run: cargo clippy --all-targets --all-features
 
   fmt:
     name: Format
@@ -71,10 +70,9 @@ jobs:
 
   test:
     name: Test
-    if: 'false' # No tests yet
     strategy:
       matrix:
-        platform: [ ubuntu-latest, windows-latest, macos-latest ]
+        platform: [ubuntu-latest, windows-latest, macos-latest]
       fail-fast: false
     runs-on: ${{ matrix.platform }}
     steps:
@@ -90,7 +88,7 @@ jobs:
       - name: Cache Rust workspace
         uses: Swatinem/rust-cache@v2
       - name: Cargo test
-        run: cargo test --release --all-features
+        run: cargo test --release --features all
 
   build-cli:
     name: Build objdiff-cli
@@ -150,7 +148,7 @@ jobs:
           python3 -m venv .venv
           . .venv/bin/activate
           echo PATH=$PATH >> $GITHUB_ENV
-          pip install ziglang==0.13.0 cargo-zigbuild==0.19.1
+          pip install ziglang==0.13.0.post1 cargo-zigbuild==0.19.8
       - name: Setup Rust toolchain
         uses: dtolnay/rust-toolchain@stable
         with:
@@ -161,15 +159,15 @@ jobs:
           key: ${{ matrix.target }}
       - name: Cargo build
         run: >
-          cargo ${{ matrix.build }} --profile ${{ env.BUILD_PROFILE }} --target ${{ matrix.target }} 
+          cargo ${{ matrix.build }} --profile ${{ env.BUILD_PROFILE }} --target ${{ matrix.target }}
           --bin ${{ env.CARGO_BIN_NAME }} --features ${{ matrix.features }}
       - name: Upload artifacts
         uses: actions/upload-artifact@v4
         with:
           name: ${{ env.CARGO_BIN_NAME }}-${{ matrix.name }}
           path: |
-            ${{ env.CARGO_TARGET_DIR }}/${{ matrix.target }}/${{ env.BUILD_PROFILE }}/${{ env.CARGO_BIN_NAME }}
-            ${{ env.CARGO_TARGET_DIR }}/${{ matrix.target }}/${{ env.BUILD_PROFILE }}/${{ env.CARGO_BIN_NAME }}.exe
+            target/${{ matrix.target }}/${{ env.BUILD_PROFILE }}/${{ env.CARGO_BIN_NAME }}
+            target/${{ matrix.target }}/${{ env.BUILD_PROFILE }}/${{ env.CARGO_BIN_NAME }}.exe
           if-no-files-found: error
 
   build-gui:
@@ -180,21 +178,26 @@ jobs:
       matrix:
         include:
           - platform: ubuntu-latest
-            target: x86_64-unknown-linux-gnu
+            target: x86_64-unknown-linux-gnu.2.31
+            target_base: x86_64-unknown-linux-gnu
             name: linux-x86_64
             packages: libgtk-3-dev
+            build: zigbuild
             features: default
           - platform: windows-latest
             target: x86_64-pc-windows-msvc
             name: windows-x86_64
+            build: build
             features: default
           - platform: macos-latest
             target: x86_64-apple-darwin
             name: macos-x86_64
+            build: build
             features: default
           - platform: macos-latest
             target: aarch64-apple-darwin
             name: macos-arm64
+            build: build
             features: default
       fail-fast: false
     runs-on: ${{ matrix.platform }}
@@ -206,32 +209,56 @@ jobs:
           sudo apt-get -y install ${{ matrix.packages }}
       - name: Checkout
         uses: actions/checkout@v4
+      - name: Install cargo-zigbuild
+        if: matrix.build == 'zigbuild'
+        run: |
+          python3 -m venv .venv
+          . .venv/bin/activate
+          echo PATH=$PATH >> $GITHUB_ENV
+          pip install ziglang==0.13.0.post1 cargo-zigbuild==0.19.8
       - name: Setup Rust toolchain
         uses: dtolnay/rust-toolchain@stable
         with:
-          targets: ${{ matrix.target }}
+          targets: ${{ matrix.target_base || matrix.target }}
       - name: Cache Rust workspace
         uses: Swatinem/rust-cache@v2
         with:
           key: ${{ matrix.target }}
       - name: Cargo build
         run: >
-          cargo build --profile ${{ env.BUILD_PROFILE }} --target ${{ matrix.target }} 
+          cargo ${{ matrix.build }} --profile ${{ env.BUILD_PROFILE }} --target ${{ matrix.target }}
           --bin ${{ env.CARGO_BIN_NAME }} --features ${{ matrix.features }}
       - name: Upload artifacts
         uses: actions/upload-artifact@v4
         with:
           name: ${{ env.CARGO_BIN_NAME }}-${{ matrix.name }}
           path: |
-            ${{ env.CARGO_TARGET_DIR }}/${{ matrix.target }}/${{ env.BUILD_PROFILE }}/${{ env.CARGO_BIN_NAME }}
-            ${{ env.CARGO_TARGET_DIR }}/${{ matrix.target }}/${{ env.BUILD_PROFILE }}/${{ env.CARGO_BIN_NAME }}.exe
+            target/${{ matrix.target_base || matrix.target }}/${{ env.BUILD_PROFILE }}/${{ env.CARGO_BIN_NAME }}
+            target/${{ matrix.target_base || matrix.target }}/${{ env.BUILD_PROFILE }}/${{ env.CARGO_BIN_NAME }}.exe
           if-no-files-found: error
 
+  build-wasm:
+    name: Build objdiff-wasm
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+      - name: Setup Rust toolchain
+        uses: dtolnay/rust-toolchain@nightly
+        with:
+          components: rust-src
+      - name: Cache Rust workspace
+        uses: Swatinem/rust-cache@v2
+      - name: Install dependencies
+        run: npm -C objdiff-wasm install
+      - name: Build
+        run: npm -C objdiff-wasm run build
+
   release:
     name: Release
     if: startsWith(github.ref, 'refs/tags/')
     runs-on: ubuntu-latest
-    needs: [ build-cli, build-gui ]
+    needs: [build-cli, build-gui]
     permissions:
       contents: write
     steps:

.pre-commit-config.yaml

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

Cargo.toml

@@ -3,8 +3,9 @@ members = [
     "objdiff-cli",
     "objdiff-core",
     "objdiff-gui",
+    "objdiff-wasm",
 ]
-resolver = "2"
+resolver = "3"
 
 [profile.release-lto]
 inherits = "release"
@@ -13,9 +14,9 @@ strip = "debuginfo"
 codegen-units = 1
 
 [workspace.package]
-version = "2.7.1"
+version = "3.0.0-beta.5"
 authors = ["Luke Street <luke@street.dev>"]
-edition = "2021"
+edition = "2024"
 license = "MIT OR Apache-2.0"
 repository = "https://github.com/encounter/objdiff"
-rust-version = "1.81"
+rust-version = "1.85"

README.md

@@ -143,15 +143,15 @@ If not specified, objdiff will use the default patterns listed above.
 `units` _(optional)_: If specified, objdiff will display a list of objects in the sidebar for easy navigation.
 
 > `name` _(optional)_: The name of the object in the UI. If not specified, the object's `path` will be used.
-> 
+>
 > `target_path`: Path to the "target" or "expected" object from the project root.  
 > This object is the **intended result** of the match.
-> 
+>
 > `base_path`: Path to the "base" or "actual" object from the project root.  
 > This object is built from the **current source code**.
-> 
+>
 > `metadata.auto_generated` _(optional)_: Hides the object from the object list, but still includes it in reports.
-> 
+>
 > `metadata.complete` _(optional)_: Marks the object as "complete" (or "linked") in the object list.  
 > This is useful for marking objects that are fully decompiled. A value of `false` will mark the object as "incomplete".
 
@@ -173,6 +173,21 @@ $ cargo install --locked --git https://github.com/encounter/objdiff.git objdiff-
 
 The binaries will be installed to `~/.cargo/bin` as `objdiff` and `objdiff-cli`.
 
+## Installing `pre-commit`
+
+When contributing, it's recommended to install `pre-commit` to automatically run the linter and formatter before a commit.
+
+[`uv`](https://github.com/astral-sh/uv#installation) is recommended to manage Python version and tools.
+
+Rust nightly is required for `cargo +nightly fmt` and `cargo +nightly clippy`.
+
+```shell
+$ cargo install --locked cargo-deny
+$ rustup toolchain install nightly
+$ uv tool install pre-commit
+$ pre-commit install
+```
+
 ## License
 
 Licensed under either of

deny.toml

@@ -73,6 +73,7 @@ ignore = [
     #{ id = "RUSTSEC-0000-0000", reason = "you can specify a reason the advisory is ignored" },
     #"a-crate-that-is-yanked@0.1.1", # you can also ignore yanked crate versions if you wish
     #{ crate = "a-crate-that-is-yanked@0.1.1", reason = "you can specify why you are ignoring the yanked crate" },
+    { id = "RUSTSEC-2024-0436", reason = "Unmaintained paste crate is an indirect dependency" },
 ]
 # If this is true, then cargo deny will use the git executable to fetch advisory database.
 # If this is false, then it uses a built-in git library.
@@ -101,8 +102,7 @@ allow = [
     "Zlib",
     "0BSD",
     "OFL-1.1",
-    "LicenseRef-UFL-1.0",
-    "OpenSSL",
+    "Ubuntu-font-1.0",
 ]
 # The confidence threshold for detecting a license from license text.
 # The higher the value, the more closely the license text must be to the
@@ -239,7 +239,12 @@ allow-git = []
 
 [sources.allow-org]
 # github.com organizations to allow git sources for
-github = []
+github = [
+    "CelestialAmber", # cwextab, rlwinmdec
+    "Decompollaborate", # rabbitizer
+    "enarx", # flagset
+    "encounter",
+]
 # gitlab.com organizations to allow git sources for
 gitlab = []
 # bitbucket.org organizations to allow git sources for

objdiff-cli/Cargo.toml

@@ -28,6 +28,7 @@ supports-color = "3.0"
 time = { version = "0.3", features = ["formatting", "local-offset"] }
 tracing = "0.1"
 tracing-subscriber = { version = "0.3", features = ["env-filter"] }
+typed-path = "0.10"
 
 [target.'cfg(target_env = "musl")'.dependencies]
 mimalloc = "0.1"

objdiff-cli/src/argp_version.rs

@@ -4,7 +4,7 @@
 //! For now, this only adds a --version/-V option which causes early-exit.
 use std::ffi::OsStr;
 
-use argp::{parser::ParseGlobalOptions, EarlyExit, FromArgs, TopLevelCommand};
+use argp::{EarlyExit, FromArgs, TopLevelCommand, parser::ParseGlobalOptions};
 
 struct ArgsOrVersion<T>(T)
 where T: FromArgs;

objdiff-cli/src/cmd/diff.rs

@@ -1,73 +1,74 @@
 use std::{
-    fs,
     io::stdout,
     mem,
-    path::{Path, PathBuf},
     str::FromStr,
     sync::{
-        atomic::{AtomicBool, Ordering},
         Arc,
+        atomic::{AtomicBool, Ordering},
     },
     task::{Wake, Waker},
     time::Duration,
 };
 
-use anyhow::{anyhow, bail, Context, Result};
+use anyhow::{Context, Result, anyhow, bail};
 use argp::FromArgs;
 use crossterm::{
     event,
     event::{DisableMouseCapture, EnableMouseCapture},
     terminal::{
-        disable_raw_mode, enable_raw_mode, EnterAlternateScreen, LeaveAlternateScreen, SetTitle,
+        EnterAlternateScreen, LeaveAlternateScreen, SetTitle, disable_raw_mode, enable_raw_mode,
     },
 };
 use objdiff_core::{
     bindings::diff::DiffResult,
     build::{
-        watcher::{create_watcher, Watcher},
-        BuildConfig,
+        BuildConfig, BuildStatus,
+        watcher::{Watcher, create_watcher},
+    },
+    config::{
+        ProjectConfig, ProjectObject, ProjectObjectMetadata, build_globset,
+        path::{check_path_buf, platform_path, platform_path_serde_option},
     },
-    config::{build_globset, ProjectConfig, ProjectObject},
-    diff,
     diff::{
-        ConfigEnum, ConfigPropertyId, ConfigPropertyKind, DiffObjConfig, MappingConfig, ObjDiff,
+        self, ConfigEnum, ConfigPropertyId, ConfigPropertyKind, DiffObjConfig, MappingConfig,
+        ObjectDiff,
     },
     jobs::{
-        objdiff::{start_build, ObjDiffConfig},
         Job, JobQueue, JobResult,
+        objdiff::{ObjDiffConfig, start_build},
     },
-    obj,
-    obj::ObjInfo,
+    obj::{self, Object},
 };
 use ratatui::prelude::*;
+use typed_path::{Utf8PlatformPath, Utf8PlatformPathBuf};
 
 use crate::{
     util::{
-        output::{write_output, OutputFormat},
+        output::{OutputFormat, write_output},
         term::crossterm_panic_handler,
     },
-    views::{function_diff::FunctionDiffUi, EventControlFlow, EventResult, UiView},
+    views::{EventControlFlow, EventResult, UiView, function_diff::FunctionDiffUi},
 };
 
 #[derive(FromArgs, PartialEq, Debug)]
 /// Diff two object files. (Interactive or one-shot mode)
 #[argp(subcommand, name = "diff")]
 pub struct Args {
-    #[argp(option, short = '1')]
+    #[argp(option, short = '1', from_str_fn(platform_path))]
     /// Target object file
-    target: Option<PathBuf>,
-    #[argp(option, short = '2')]
+    target: Option<Utf8PlatformPathBuf>,
+    #[argp(option, short = '2', from_str_fn(platform_path))]
     /// Base object file
-    base: Option<PathBuf>,
-    #[argp(option, short = 'p')]
+    base: Option<Utf8PlatformPathBuf>,
+    #[argp(option, short = 'p', from_str_fn(platform_path))]
     /// Project directory
-    project: Option<PathBuf>,
+    project: Option<Utf8PlatformPathBuf>,
     #[argp(option, short = 'u')]
     /// Unit name within project
     unit: Option<String>,
-    #[argp(option, short = 'o')]
+    #[argp(option, short = 'o', from_str_fn(platform_path))]
     /// Output file (one-shot mode) ("-" for stdout)
-    output: Option<PathBuf>,
+    output: Option<Utf8PlatformPathBuf>,
     #[argp(option)]
     /// Output format (json, json-pretty, proto) (default: json)
     format: Option<String>,
@@ -89,86 +90,61 @@ pub struct Args {
 }
 
 pub fn run(args: Args) -> Result<()> {
-    let (target_path, base_path, project_config) = match (
-        &args.target,
-        &args.base,
-        &args.project,
-        &args.unit,
-    ) {
-        (Some(_), Some(_), None, None)
-        | (Some(_), None, None, None)
-        | (None, Some(_), None, None) => (args.target.clone(), args.base.clone(), None),
-        (None, None, p, u) => {
-            let project = match p {
-                Some(project) => project.clone(),
-                _ => std::env::current_dir().context("Failed to get the current directory")?,
-            };
-            let Some((project_config, project_config_info)) =
-                objdiff_core::config::try_project_config(&project)
-            else {
-                bail!("Project config not found in {}", &project.display())
-            };
-            let mut project_config = project_config.with_context(|| {
-                format!("Reading project config {}", project_config_info.path.display())
-            })?;
-            let object = {
-                let resolve_paths = |o: &mut ProjectObject| {
-                    o.resolve_paths(
-                        &project,
-                        project_config.target_dir.as_deref(),
-                        project_config.base_dir.as_deref(),
+    let (target_path, base_path, project_config) =
+        match (&args.target, &args.base, &args.project, &args.unit) {
+            (Some(_), Some(_), None, None)
+            | (Some(_), None, None, None)
+            | (None, Some(_), None, None) => (args.target.clone(), args.base.clone(), None),
+            (None, None, p, u) => {
+                let project = match p {
+                    Some(project) => project.clone(),
+                    _ => check_path_buf(
+                        std::env::current_dir().context("Failed to get the current directory")?,
                     )
+                    .context("Current directory is not valid UTF-8")?,
                 };
-                if let Some(u) = u {
-                    let unit_path =
-                        PathBuf::from_str(u).ok().and_then(|p| fs::canonicalize(p).ok());
-
-                    let Some(object) = project_config
-                        .units
-                        .as_deref_mut()
-                        .unwrap_or_default()
-                        .iter_mut()
-                        .find_map(|obj| {
-                            if obj.name.as_deref() == Some(u) {
-                                resolve_paths(obj);
-                                return Some(obj);
-                            }
-
-                            let up = unit_path.as_deref()?;
-
-                            resolve_paths(obj);
-
-                            if [&obj.base_path, &obj.target_path]
-                                .into_iter()
-                                .filter_map(|p| p.as_ref().and_then(|p| p.canonicalize().ok()))
-                                .any(|p| p == up)
-                            {
-                                return Some(obj);
-                            }
-
-                            None
-                        })
-                    else {
-                        bail!("Unit not found: {}", u)
-                    };
-
-                    object
+                let Some((project_config, project_config_info)) =
+                    objdiff_core::config::try_project_config(project.as_ref())
+                else {
+                    bail!("Project config not found in {}", &project)
+                };
+                let project_config = project_config.with_context(|| {
+                    format!("Reading project config {}", project_config_info.path.display())
+                })?;
+                let target_obj_dir = project_config
+                    .target_dir
+                    .as_ref()
+                    .map(|p| project.join(p.with_platform_encoding()));
+                let base_obj_dir = project_config
+                    .base_dir
+                    .as_ref()
+                    .map(|p| project.join(p.with_platform_encoding()));
+                let objects = project_config
+                    .units
+                    .iter()
+                    .flatten()
+                    .map(|o| {
+                        ObjectConfig::new(
+                            o,
+                            &project,
+                            target_obj_dir.as_deref(),
+                            base_obj_dir.as_deref(),
+                        )
+                    })
+                    .collect::<Vec<_>>();
+                let object = if let Some(u) = u {
+                    objects
+                        .iter()
+                        .find(|obj| obj.name == *u)
+                        .ok_or_else(|| anyhow!("Unit not found: {}", u))?
                 } else if let Some(symbol_name) = &args.symbol {
                     let mut idx = None;
                     let mut count = 0usize;
-                    for (i, obj) in project_config
-                        .units
-                        .as_deref_mut()
-                        .unwrap_or_default()
-                        .iter_mut()
-                        .enumerate()
-                    {
-                        resolve_paths(obj);
-
+                    for (i, obj) in objects.iter().enumerate() {
                         if obj
                             .target_path
                             .as_deref()
-                            .map(|o| obj::read::has_function(o, symbol_name))
+                            .map(|o| obj::read::has_function(o.as_ref(), symbol_name))
                             .transpose()?
                             .unwrap_or(false)
                         {
@@ -181,7 +157,7 @@ pub fn run(args: Args) -> Result<()> {
                     }
                     match (count, idx) {
                         (0, None) => bail!("Symbol not found: {}", symbol_name),
-                        (1, Some(i)) => &mut project_config.units_mut()[i],
+                        (1, Some(i)) => &objects[i],
                         (2.., Some(_)) => bail!(
                             "Multiple instances of {} were found, try specifying a unit",
                             symbol_name
@@ -190,14 +166,13 @@ pub fn run(args: Args) -> Result<()> {
                     }
                 } else {
                     bail!("Must specify one of: symbol, project and unit, target and base objects")
-                }
-            };
-            let target_path = object.target_path.clone();
-            let base_path = object.base_path.clone();
-            (target_path, base_path, Some(project_config))
-        }
-        _ => bail!("Either target and base or project and unit must be specified"),
-    };
+                };
+                let target_path = object.target_path.clone();
+                let base_path = object.base_path.clone();
+                (target_path, base_path, Some(project_config))
+            }
+            _ => bail!("Either target and base or project and unit must be specified"),
+        };
 
     if let Some(output) = &args.output {
         run_oneshot(&args, output, target_path.as_deref(), base_path.as_deref())
@@ -245,24 +220,24 @@ fn build_config_from_args(args: &Args) -> Result<(DiffObjConfig, MappingConfig)>
 
 fn run_oneshot(
     args: &Args,
-    output: &Path,
-    target_path: Option<&Path>,
-    base_path: Option<&Path>,
+    output: &Utf8PlatformPath,
+    target_path: Option<&Utf8PlatformPath>,
+    base_path: Option<&Utf8PlatformPath>,
 ) -> Result<()> {
     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, &diff_config).with_context(|| format!("Loading {}", p.display()))
+            obj::read::read(p.as_ref(), &diff_config).with_context(|| format!("Loading {}", p))
         })
         .transpose()?;
     let base = base_path
         .map(|p| {
-            obj::read::read(p, &diff_config).with_context(|| format!("Loading {}", p.display()))
+            obj::read::read(p.as_ref(), &diff_config).with_context(|| format!("Loading {}", p))
         })
         .transpose()?;
     let result =
-        diff::diff_objs(&diff_config, &mapping_config, target.as_ref(), base.as_ref(), None)?;
+        diff::diff_objs(target.as_ref(), base.as_ref(), None, &diff_config, &mapping_config)?;
     let left = target.as_ref().and_then(|o| result.left.as_ref().map(|d| (o, d)));
     let right = base.as_ref().and_then(|o| result.right.as_ref().map(|d| (o, d)));
     write_output(&DiffResult::new(left, right), Some(output), output_format)?;
@@ -272,13 +247,15 @@ fn run_oneshot(
 pub struct AppState {
     pub jobs: JobQueue,
     pub waker: Arc<TermWaker>,
-    pub project_dir: Option<PathBuf>,
+    pub project_dir: Option<Utf8PlatformPathBuf>,
     pub project_config: Option<ProjectConfig>,
-    pub target_path: Option<PathBuf>,
-    pub base_path: Option<PathBuf>,
-    pub left_obj: Option<(ObjInfo, ObjDiff)>,
-    pub right_obj: Option<(ObjInfo, ObjDiff)>,
-    pub prev_obj: Option<(ObjInfo, ObjDiff)>,
+    pub target_path: Option<Utf8PlatformPathBuf>,
+    pub base_path: Option<Utf8PlatformPathBuf>,
+    pub left_status: Option<BuildStatus>,
+    pub right_status: Option<BuildStatus>,
+    pub left_obj: Option<(Object, ObjectDiff)>,
+    pub right_obj: Option<(Object, ObjectDiff)>,
+    pub prev_obj: Option<(Object, ObjectDiff)>,
     pub reload_time: Option<time::OffsetDateTime>,
     pub time_format: Vec<time::format_description::FormatItem<'static>>,
     pub watcher: Option<Watcher>,
@@ -315,6 +292,49 @@ fn create_objdiff_config(state: &AppState) -> ObjDiffConfig {
     }
 }
 
+/// The configuration for a single object file.
+#[derive(Default, Clone, serde::Deserialize, serde::Serialize)]
+pub struct ObjectConfig {
+    pub name: String,
+    #[serde(default, with = "platform_path_serde_option")]
+    pub target_path: Option<Utf8PlatformPathBuf>,
+    #[serde(default, with = "platform_path_serde_option")]
+    pub base_path: Option<Utf8PlatformPathBuf>,
+    pub metadata: ProjectObjectMetadata,
+    pub complete: Option<bool>,
+}
+
+impl ObjectConfig {
+    pub fn new(
+        object: &ProjectObject,
+        project_dir: &Utf8PlatformPath,
+        target_obj_dir: Option<&Utf8PlatformPath>,
+        base_obj_dir: Option<&Utf8PlatformPath>,
+    ) -> Self {
+        let target_path = if let (Some(target_obj_dir), Some(path), None) =
+            (target_obj_dir, &object.path, &object.target_path)
+        {
+            Some(target_obj_dir.join(path.with_platform_encoding()))
+        } else {
+            object.target_path.as_ref().map(|path| project_dir.join(path.with_platform_encoding()))
+        };
+        let base_path = if let (Some(base_obj_dir), Some(path), None) =
+            (base_obj_dir, &object.path, &object.base_path)
+        {
+            Some(base_obj_dir.join(path.with_platform_encoding()))
+        } else {
+            object.base_path.as_ref().map(|path| project_dir.join(path.with_platform_encoding()))
+        };
+        Self {
+            name: object.name().to_string(),
+            target_path,
+            base_path,
+            metadata: object.metadata.clone().unwrap_or_default(),
+            complete: object.complete(),
+        }
+    }
+}
+
 impl AppState {
     fn reload(&mut self) -> Result<()> {
         let config = create_objdiff_config(self);
@@ -330,6 +350,8 @@ impl AppState {
                 JobResult::None => unreachable!("Unexpected JobResult::None"),
                 JobResult::ObjDiff(result) => {
                     let result = result.unwrap();
+                    self.left_status = Some(result.first_status);
+                    self.right_status = Some(result.second_status);
                     self.left_obj = result.first_obj;
                     self.right_obj = result.second_obj;
                     self.reload_time = Some(result.time);
@@ -355,8 +377,8 @@ impl Wake for TermWaker {
 
 fn run_interactive(
     args: Args,
-    target_path: Option<PathBuf>,
-    base_path: Option<PathBuf>,
+    target_path: Option<Utf8PlatformPathBuf>,
+    base_path: Option<Utf8PlatformPathBuf>,
     project_config: Option<ProjectConfig>,
 ) -> Result<()> {
     let Some(symbol_name) = &args.symbol else { bail!("Interactive mode requires a symbol name") };
@@ -370,6 +392,8 @@ fn run_interactive(
         project_config,
         target_path,
         base_path,
+        left_status: None,
+        right_status: None,
         left_obj: None,
         right_obj: None,
         prev_obj: None,
@@ -384,7 +408,7 @@ fn run_interactive(
         let watch_patterns = project_config.build_watch_patterns()?;
         state.watcher = Some(create_watcher(
             state.modified.clone(),
-            project_dir,
+            project_dir.as_ref(),
             build_globset(&watch_patterns)?,
             Waker::from(state.waker.clone()),
         )?);
@@ -407,15 +431,17 @@ fn run_interactive(
     let mut result = EventResult { redraw: true, ..Default::default() };
     'outer: loop {
         if result.redraw {
-            terminal.draw(|f| loop {
-                result.redraw = false;
-                view.draw(&state, f, &mut result);
-                result.click_xy = None;
-                if !result.redraw {
-                    break;
+            terminal.draw(|f| {
+                loop {
+                    result.redraw = false;
+                    view.draw(&state, f, &mut result);
+                    result.click_xy = None;
+                    if !result.redraw {
+                        break;
+                    }
+                    // Clear buffer on redraw
+                    f.buffer_mut().reset();
                 }
-                // Clear buffer on redraw
-                f.buffer_mut().reset();
             })?;
         }
         loop {

objdiff-cli/src/cmd/report.rs

@@ -1,28 +1,25 @@
-use std::{
-    collections::HashSet,
-    fs::File,
-    io::Read,
-    path::{Path, PathBuf},
-    time::Instant,
-};
+use std::{collections::HashSet, fs::File, io::Read, time::Instant};
 
-use anyhow::{bail, Context, Result};
+use anyhow::{Context, Result, bail};
 use argp::FromArgs;
 use objdiff_core::{
     bindings::report::{
-        ChangeItem, ChangeItemInfo, ChangeUnit, Changes, ChangesInput, Measures, Report,
-        ReportCategory, ReportItem, ReportItemMetadata, ReportUnit, ReportUnitMetadata,
-        REPORT_VERSION,
+        ChangeItem, ChangeItemInfo, ChangeUnit, Changes, ChangesInput, Measures, REPORT_VERSION,
+        Report, ReportCategory, ReportItem, ReportItemMetadata, ReportUnit, ReportUnitMetadata,
     },
-    config::ProjectObject,
+    config::path::platform_path,
     diff, obj,
-    obj::{ObjSectionKind, ObjSymbolFlags},
+    obj::{SectionKind, SymbolFlag},
 };
 use prost::Message;
-use rayon::iter::{IntoParallelRefMutIterator, ParallelIterator};
+use rayon::iter::{IntoParallelRefIterator, ParallelIterator};
 use tracing::{info, warn};
+use typed_path::{Utf8PlatformPath, Utf8PlatformPathBuf};
 
-use crate::util::output::{write_output, OutputFormat};
+use crate::{
+    cmd::diff::ObjectConfig,
+    util::output::{OutputFormat, write_output},
+};
 
 #[derive(FromArgs, PartialEq, Debug)]
 /// Generate a progress report for a project.
@@ -43,12 +40,12 @@ pub enum SubCommand {
 /// Generate a progress report for a project.
 #[argp(subcommand, name = "generate")]
 pub struct GenerateArgs {
-    #[argp(option, short = 'p')]
+    #[argp(option, short = 'p', from_str_fn(platform_path))]
     /// Project directory
-    project: Option<PathBuf>,
-    #[argp(option, short = 'o')]
+    project: Option<Utf8PlatformPathBuf>,
+    #[argp(option, short = 'o', from_str_fn(platform_path))]
     /// Output file
-    output: Option<PathBuf>,
+    output: Option<Utf8PlatformPathBuf>,
     #[argp(switch, short = 'd')]
     /// Deduplicate global and weak symbols (runs single-threaded)
     deduplicate: bool,
@@ -61,15 +58,15 @@ pub struct GenerateArgs {
 /// List any changes from a previous report.
 #[argp(subcommand, name = "changes")]
 pub struct ChangesArgs {
-    #[argp(positional)]
+    #[argp(positional, from_str_fn(platform_path))]
     /// Previous report file
-    previous: PathBuf,
-    #[argp(positional)]
+    previous: Utf8PlatformPathBuf,
+    #[argp(positional, from_str_fn(platform_path))]
     /// Current report file
-    current: PathBuf,
-    #[argp(option, short = 'o')]
+    current: Utf8PlatformPathBuf,
+    #[argp(option, short = 'o', from_str_fn(platform_path))]
     /// Output file
-    output: Option<PathBuf>,
+    output: Option<Utf8PlatformPathBuf>,
     #[argp(option, short = 'f')]
     /// Output format (json, json-pretty, proto) (default: json)
     format: Option<String>,
@@ -84,10 +81,10 @@ pub fn run(args: Args) -> Result<()> {
 
 fn generate(args: GenerateArgs) -> Result<()> {
     let output_format = OutputFormat::from_option(args.format.as_deref())?;
-    let project_dir = args.project.as_deref().unwrap_or_else(|| Path::new("."));
-    info!("Loading project {}", project_dir.display());
+    let project_dir = args.project.as_deref().unwrap_or_else(|| Utf8PlatformPath::new("."));
+    info!("Loading project {}", project_dir);
 
-    let mut project = match objdiff_core::config::try_project_config(project_dir) {
+    let project = match objdiff_core::config::try_project_config(project_dir.as_ref()) {
         Some((Ok(config), _)) => config,
         Some((Err(err), _)) => bail!("Failed to load project configuration: {}", err),
         None => bail!("No project configuration found"),
@@ -98,37 +95,33 @@ fn generate(args: GenerateArgs) -> Result<()> {
         if args.deduplicate { 1 } else { rayon::current_num_threads() }
     );
 
+    let target_obj_dir =
+        project.target_dir.as_ref().map(|p| project_dir.join(p.with_platform_encoding()));
+    let base_obj_dir =
+        project.base_dir.as_ref().map(|p| project_dir.join(p.with_platform_encoding()));
+    let objects = project
+        .units
+        .iter()
+        .flatten()
+        .map(|o| {
+            ObjectConfig::new(o, project_dir, target_obj_dir.as_deref(), base_obj_dir.as_deref())
+        })
+        .collect::<Vec<_>>();
+
     let start = Instant::now();
     let mut units = vec![];
     let mut existing_functions: HashSet<String> = HashSet::new();
     if args.deduplicate {
         // If deduplicating, we need to run single-threaded
-        for object in project.units.as_deref_mut().unwrap_or_default() {
-            if let Some(unit) = report_object(
-                object,
-                project_dir,
-                project.target_dir.as_deref(),
-                project.base_dir.as_deref(),
-                Some(&mut existing_functions),
-            )? {
+        for object in &objects {
+            if let Some(unit) = report_object(object, Some(&mut existing_functions))? {
                 units.push(unit);
             }
         }
     } else {
-        let vec = project
-            .units
-            .as_deref_mut()
-            .unwrap_or_default()
-            .par_iter_mut()
-            .map(|object| {
-                report_object(
-                    object,
-                    project_dir,
-                    project.target_dir.as_deref(),
-                    project.base_dir.as_deref(),
-                    None,
-                )
-            })
+        let vec = objects
+            .par_iter()
+            .map(|object| report_object(object, None))
             .collect::<Result<Vec<Option<ReportUnit>>>>()?;
         units = vec.into_iter().flatten().collect();
     }
@@ -151,20 +144,16 @@ fn generate(args: GenerateArgs) -> Result<()> {
 }
 
 fn report_object(
-    object: &mut ProjectObject,
-    project_dir: &Path,
-    target_dir: Option<&Path>,
-    base_dir: Option<&Path>,
+    object: &ObjectConfig,
     mut existing_functions: Option<&mut HashSet<String>>,
 ) -> Result<Option<ReportUnit>> {
-    object.resolve_paths(project_dir, target_dir, base_dir);
     match (&object.target_path, &object.base_path) {
-        (None, Some(_)) if !object.complete().unwrap_or(false) => {
-            warn!("Skipping object without target: {}", object.name());
+        (None, Some(_)) if !object.complete.unwrap_or(false) => {
+            warn!("Skipping object without target: {}", object.name);
             return Ok(None);
         }
         (None, None) => {
-            warn!("Skipping object without target or base: {}", object.name());
+            warn!("Skipping object without target or base: {}", object.name);
             return Ok(None);
         }
         _ => {}
@@ -178,35 +167,31 @@ fn report_object(
         .target_path
         .as_ref()
         .map(|p| {
-            obj::read::read(p, &diff_config)
-                .with_context(|| format!("Failed to open {}", p.display()))
+            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, &diff_config)
-                .with_context(|| format!("Failed to open {}", p.display()))
+            obj::read::read(p.as_ref(), &diff_config)
+                .with_context(|| format!("Failed to open {}", p))
         })
         .transpose()?;
     let result =
-        diff::diff_objs(&diff_config, &mapping_config, target.as_ref(), base.as_ref(), None)?;
+        diff::diff_objs(target.as_ref(), base.as_ref(), None, &diff_config, &mapping_config)?;
 
     let metadata = ReportUnitMetadata {
-        complete: object.complete(),
+        complete: object.metadata.complete,
         module_name: target
             .as_ref()
             .and_then(|o| o.split_meta.as_ref())
             .and_then(|m| m.module_name.clone()),
         module_id: target.as_ref().and_then(|o| o.split_meta.as_ref()).and_then(|m| m.module_id),
-        source_path: object.metadata.as_ref().and_then(|m| m.source_path.clone()),
-        progress_categories: object
-            .metadata
-            .as_ref()
-            .and_then(|m| m.progress_categories.clone())
-            .unwrap_or_default(),
-        auto_generated: object.metadata.as_ref().and_then(|m| m.auto_generated),
+        source_path: object.metadata.source_path.as_ref().map(|p| p.to_string()),
+        progress_categories: object.metadata.progress_categories.clone().unwrap_or_default(),
+        auto_generated: object.metadata.auto_generated,
     };
     let mut measures = Measures { total_units: 1, ..Default::default() };
     let mut sections = vec![];
@@ -214,15 +199,16 @@ fn report_object(
 
     let obj = target.as_ref().or(base.as_ref()).unwrap();
     let obj_diff = result.left.as_ref().or(result.right.as_ref()).unwrap();
-    for (section, section_diff) in obj.sections.iter().zip(&obj_diff.sections) {
+    for ((section_idx, section), section_diff) in
+        obj.sections.iter().enumerate().zip(&obj_diff.sections)
+    {
+        if section.kind == SectionKind::Unknown {
+            continue;
+        }
         let section_match_percent = section_diff.match_percent.unwrap_or_else(|| {
             // Support cases where we don't have a target object,
             // assume complete means 100% match
-            if object.complete().unwrap_or(false) {
-                100.0
-            } else {
-                0.0
-            }
+            if object.complete.unwrap_or(false) { 100.0 } else { 0.0 }
         });
         sections.push(ReportItem {
             name: section.name.clone(),
@@ -235,23 +221,27 @@ fn report_object(
         });
 
         match section.kind {
-            ObjSectionKind::Data | ObjSectionKind::Bss => {
+            SectionKind::Data | SectionKind::Bss => {
                 measures.total_data += section.size;
                 if section_match_percent == 100.0 {
                     measures.matched_data += section.size;
                 }
                 continue;
             }
-            ObjSectionKind::Code => (),
+            _ => {}
         }
 
-        for (symbol, symbol_diff) in section.symbols.iter().zip(&section_diff.symbols) {
-            if symbol.size == 0 || symbol.flags.0.contains(ObjSymbolFlags::Hidden) {
+        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)
+                || symbol.flags.contains(SymbolFlag::Ignored)
+            {
                 continue;
             }
             if let Some(existing_functions) = &mut existing_functions {
-                if (symbol.flags.0.contains(ObjSymbolFlags::Global)
-                    || symbol.flags.0.contains(ObjSymbolFlags::Weak))
+                if (symbol.flags.contains(SymbolFlag::Global)
+                    || symbol.flags.contains(SymbolFlag::Weak))
                     && !existing_functions.insert(symbol.name.clone())
                 {
                     continue;
@@ -260,11 +250,7 @@ fn report_object(
             let match_percent = symbol_diff.match_percent.unwrap_or_else(|| {
                 // Support cases where we don't have a target object,
                 // assume complete means 100% match
-                if object.complete().unwrap_or(false) {
-                    100.0
-                } else {
-                    0.0
-                }
+                if object.complete.unwrap_or(false) { 100.0 } else { 0.0 }
             });
             measures.fuzzy_match_percent += match_percent * symbol.size as f32;
             measures.total_code += symbol.size;
@@ -294,7 +280,7 @@ fn report_object(
     measures.calc_fuzzy_match_percent();
     measures.calc_matched_percent();
     Ok(Some(ReportUnit {
-        name: object.name().to_string(),
+        name: object.name.clone(),
         measures: Some(measures),
         sections,
         functions,
@@ -304,7 +290,7 @@ fn report_object(
 
 fn changes(args: ChangesArgs) -> Result<()> {
     let output_format = OutputFormat::from_option(args.format.as_deref())?;
-    let (previous, current) = if args.previous == Path::new("-") && args.current == Path::new("-") {
+    let (previous, current) = if args.previous == "-" && args.current == "-" {
         // Special case for comparing two reports from stdin
         let mut data = vec![];
         std::io::stdin().read_to_end(&mut data)?;
@@ -419,15 +405,14 @@ fn process_new_items(items: &[ReportItem]) -> Vec<ChangeItem> {
         .collect()
 }
 
-fn read_report(path: &Path) -> Result<Report> {
-    if path == Path::new("-") {
+fn read_report(path: &Utf8PlatformPath) -> Result<Report> {
+    if path == Utf8PlatformPath::new("-") {
         let mut data = vec![];
         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.display()))?;
-    let mmap = unsafe { memmap2::Mmap::map(&file) }
-        .with_context(|| format!("Failed to map {}", path.display()))?;
-    Report::parse(mmap.as_ref())
-        .with_context(|| format!("Failed to load report {}", path.display()))
+    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))
 }

objdiff-cli/src/main.rs

@@ -1,3 +1,5 @@
+#![allow(clippy::too_many_arguments)]
+
 mod argp_version;
 mod cmd;
 mod util;
@@ -15,7 +17,7 @@ use anyhow::{Error, Result};
 use argp::{FromArgValue, FromArgs};
 use enable_ansi_support::enable_ansi_support;
 use supports_color::Stream;
-use tracing_subscriber::{filter::LevelFilter, EnvFilter};
+use tracing_subscriber::{EnvFilter, filter::LevelFilter};
 
 #[derive(Debug, Eq, PartialEq, Copy, Clone)]
 enum LogLevel {

objdiff-cli/src/util/output.rs

@@ -5,7 +5,7 @@ use std::{
     path::Path,
 };
 
-use anyhow::{bail, Context, Result};
+use anyhow::{Context, Result, bail};
 use tracing::info;
 
 #[derive(Debug, Copy, Clone, PartialEq, Eq, Default)]
@@ -34,9 +34,12 @@ impl OutputFormat {
     }
 }
 
-pub fn write_output<T>(input: &T, output: Option<&Path>, format: OutputFormat) -> Result<()>
-where T: serde::Serialize + prost::Message {
-    match output {
+pub fn write_output<T, P>(input: &T, output: Option<P>, format: OutputFormat) -> Result<()>
+where
+    T: serde::Serialize + prost::Message,
+    P: AsRef<Path>,
+{
+    match output.as_ref().map(|p| p.as_ref()) {
         Some(output) if output != Path::new("-") => {
             info!("Writing to {}", output.display());
             let file = File::options()

objdiff-cli/src/util/term.rs

@@ -3,7 +3,7 @@ use std::{io::stdout, panic};
 use crossterm::{
     cursor::Show,
     event::DisableMouseCapture,
-    terminal::{disable_raw_mode, LeaveAlternateScreen},
+    terminal::{LeaveAlternateScreen, disable_raw_mode},
 };
 
 pub fn crossterm_panic_handler() {

objdiff-cli/src/views/function_diff.rs

@@ -1,16 +1,19 @@
-use anyhow::{bail, Result};
+use core::cmp::Ordering;
+
+use anyhow::Result;
 use crossterm::event::{Event, KeyCode, KeyEventKind, KeyModifiers, MouseButton, MouseEventKind};
 use objdiff_core::{
+    build::BuildStatus,
     diff::{
-        display::{display_diff, DiffText, HighlightKind},
-        FunctionRelocDiffs, ObjDiff, ObjInsDiffKind, ObjSymbolDiff,
+        DiffObjConfig, FunctionRelocDiffs, InstructionDiffKind, ObjectDiff, SymbolDiff,
+        display::{DiffText, DiffTextColor, HighlightKind, display_row},
     },
-    obj::{ObjInfo, ObjSectionKind, ObjSymbol, SymbolRef},
+    obj::Object,
 };
 use ratatui::{
+    Frame,
     prelude::*,
     widgets::{Block, Borders, Clear, Paragraph, Scrollbar, ScrollbarOrientation, ScrollbarState},
-    Frame,
 };
 
 use super::{EventControlFlow, EventResult, UiView};
@@ -28,9 +31,9 @@ pub struct FunctionDiffUi {
     pub scroll_state_y: ScrollbarState,
     pub per_page: usize,
     pub num_rows: usize,
-    pub left_sym: Option<SymbolRef>,
-    pub right_sym: Option<SymbolRef>,
-    pub prev_sym: Option<SymbolRef>,
+    pub left_sym: Option<usize>,
+    pub right_sym: Option<usize>,
+    pub prev_sym: Option<usize>,
     pub open_options: bool,
     pub three_way: bool,
 }
@@ -80,8 +83,8 @@ impl UiView for FunctionDiffUi {
         f.render_widget(line_l, header_chunks[0]);
 
         let mut line_r = Line::default();
-        if let Some(percent) =
-            get_symbol(state.right_obj.as_ref(), self.right_sym).and_then(|(_, d)| d.match_percent)
+        if let Some(percent) = get_symbol(state.right_obj.as_ref(), self.right_sym)
+            .and_then(|(_, _, d)| d.match_percent)
         {
             line_r.spans.push(Span::styled(
                 format!("{:.2}% ", percent),
@@ -106,13 +109,17 @@ impl UiView for FunctionDiffUi {
         let mut left_text = None;
         let mut left_highlight = None;
         let mut max_width = 0;
-        if let Some((symbol, symbol_diff)) = get_symbol(state.left_obj.as_ref(), self.left_sym) {
+        if let Some((obj, symbol_idx, symbol_diff)) =
+            get_symbol(state.left_obj.as_ref(), self.left_sym)
+        {
             let mut text = Text::default();
             let rect = content_chunks[0].inner(Margin::new(0, 1));
             left_highlight = self.print_sym(
                 &mut text,
-                symbol,
+                obj,
+                symbol_idx,
                 symbol_diff,
+                &state.diff_obj_config,
                 rect,
                 &self.left_highlight,
                 result,
@@ -120,18 +127,27 @@ impl UiView for FunctionDiffUi {
             );
             max_width = max_width.max(text.width());
             left_text = Some(text);
+        } else if let Some(status) = &state.left_status {
+            let mut text = Text::default();
+            self.print_build_status(&mut text, status);
+            max_width = max_width.max(text.width());
+            left_text = Some(text);
         }
 
         let mut right_text = None;
         let mut right_highlight = None;
         let mut margin_text = None;
-        if let Some((symbol, symbol_diff)) = get_symbol(state.right_obj.as_ref(), self.right_sym) {
+        if let Some((obj, symbol_idx, symbol_diff)) =
+            get_symbol(state.right_obj.as_ref(), self.right_sym)
+        {
             let mut text = Text::default();
             let rect = content_chunks[2].inner(Margin::new(0, 1));
             right_highlight = self.print_sym(
                 &mut text,
-                symbol,
+                obj,
+                symbol_idx,
                 symbol_diff,
+                &state.diff_obj_config,
                 rect,
                 &self.right_highlight,
                 result,
@@ -145,19 +161,27 @@ impl UiView for FunctionDiffUi {
             let rect = content_chunks[1].inner(Margin::new(1, 1));
             self.print_margin(&mut text, symbol_diff, rect);
             margin_text = Some(text);
+        } else if let Some(status) = &state.right_status {
+            let mut text = Text::default();
+            self.print_build_status(&mut text, status);
+            max_width = max_width.max(text.width());
+            right_text = Some(text);
         }
 
         let mut prev_text = None;
         let mut prev_margin_text = None;
         if self.three_way {
-            if let Some((symbol, symbol_diff)) = get_symbol(state.prev_obj.as_ref(), self.prev_sym)
+            if let Some((obj, symbol_idx, symbol_diff)) =
+                get_symbol(state.prev_obj.as_ref(), self.prev_sym)
             {
                 let mut text = Text::default();
                 let rect = content_chunks[4].inner(Margin::new(0, 1));
                 self.print_sym(
                     &mut text,
-                    symbol,
+                    obj,
+                    symbol_idx,
                     symbol_diff,
+                    &state.diff_obj_config,
                     rect,
                     &self.right_highlight,
                     result,
@@ -435,10 +459,12 @@ impl UiView for FunctionDiffUi {
             get_symbol(state.left_obj.as_ref(), left_sym),
             get_symbol(state.right_obj.as_ref(), right_sym),
         ) {
-            (Some((_l, ld)), Some((_r, rd))) => ld.instructions.len().max(rd.instructions.len()),
-            (Some((_l, ld)), None) => ld.instructions.len(),
-            (None, Some((_r, rd))) => rd.instructions.len(),
-            (None, None) => bail!("Symbol not found: {}", self.symbol_name),
+            (Some((_l, _ls, ld)), Some((_r, _rs, rd))) => {
+                ld.instruction_rows.len().max(rd.instruction_rows.len())
+            }
+            (Some((_l, _ls, ld)), None) => ld.instruction_rows.len(),
+            (None, Some((_r, _rs, rd))) => rd.instruction_rows.len(),
+            (None, None) => 0,
         };
         self.left_sym = left_sym;
         self.right_sym = right_sym;
@@ -480,113 +506,82 @@ impl FunctionDiffUi {
         self.scroll_y += self.per_page / if half { 2 } else { 1 };
     }
 
-    #[allow(clippy::too_many_arguments)]
     fn print_sym(
         &self,
         out: &mut Text<'static>,
-        symbol: &ObjSymbol,
-        symbol_diff: &ObjSymbolDiff,
+        obj: &Object,
+        symbol_index: usize,
+        symbol_diff: &SymbolDiff,
+        diff_config: &DiffObjConfig,
         rect: Rect,
         highlight: &HighlightKind,
         result: &EventResult,
         only_changed: bool,
     ) -> Option<HighlightKind> {
-        let base_addr = symbol.address;
         let mut new_highlight = None;
-        for (y, ins_diff) in symbol_diff
-            .instructions
+        for (y, ins_row) in symbol_diff
+            .instruction_rows
             .iter()
             .skip(self.scroll_y)
             .take(rect.height as usize)
             .enumerate()
         {
-            if only_changed && ins_diff.kind == ObjInsDiffKind::None {
+            if only_changed && ins_row.kind == InstructionDiffKind::None {
                 out.lines.push(Line::default());
                 continue;
             }
             let mut sx = rect.x;
             let sy = rect.y + y as u16;
             let mut line = Line::default();
-            display_diff(ins_diff, base_addr, |text| -> Result<()> {
-                let label_text;
-                let mut base_color = match ins_diff.kind {
-                    ObjInsDiffKind::None
-                    | ObjInsDiffKind::OpMismatch
-                    | ObjInsDiffKind::ArgMismatch => Color::Gray,
-                    ObjInsDiffKind::Replace => Color::Cyan,
-                    ObjInsDiffKind::Delete => Color::Red,
-                    ObjInsDiffKind::Insert => Color::Green,
-                };
-                let mut pad_to = 0;
-                match text {
-                    DiffText::Basic(text) => {
-                        label_text = text.to_string();
-                    }
-                    DiffText::BasicColor(s, idx) => {
-                        label_text = s.to_string();
-                        base_color = COLOR_ROTATION[idx % COLOR_ROTATION.len()];
-                    }
-                    DiffText::Line(num) => {
-                        label_text = format!("{num} ");
-                        base_color = Color::DarkGray;
-                        pad_to = 5;
-                    }
-                    DiffText::Address(addr) => {
-                        label_text = format!("{:x}:", addr);
-                        pad_to = 5;
-                    }
-                    DiffText::Opcode(mnemonic, _op) => {
-                        label_text = mnemonic.to_string();
-                        if ins_diff.kind == ObjInsDiffKind::OpMismatch {
-                            base_color = Color::Blue;
-                        }
-                        pad_to = 8;
-                    }
-                    DiffText::Argument(arg, diff) => {
-                        label_text = arg.to_string();
-                        if let Some(diff) = diff {
-                            base_color = COLOR_ROTATION[diff.idx % COLOR_ROTATION.len()]
-                        }
-                    }
-                    DiffText::BranchDest(addr, diff) => {
-                        label_text = format!("{addr:x}");
-                        if let Some(diff) = diff {
-                            base_color = COLOR_ROTATION[diff.idx % COLOR_ROTATION.len()]
-                        }
-                    }
-                    DiffText::Symbol(sym, diff) => {
-                        let name = sym.demangled_name.as_ref().unwrap_or(&sym.name);
-                        label_text = name.clone();
-                        if let Some(diff) = diff {
-                            base_color = COLOR_ROTATION[diff.idx % COLOR_ROTATION.len()]
-                        } else {
-                            base_color = Color::White;
-                        }
+            display_row(obj, symbol_index, ins_row, diff_config, |segment| {
+                let highlight_kind = HighlightKind::from(&segment.text);
+                let label_text = match segment.text {
+                    DiffText::Basic(text) => text.to_string(),
+                    DiffText::Line(num) => format!("{num} "),
+                    DiffText::Address(addr) => format!("{:x}:", addr),
+                    DiffText::Opcode(mnemonic, _op) => format!("{mnemonic} "),
+                    DiffText::Argument(arg) => arg.to_string(),
+                    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::Less => format!("-{:#x}", -addend),
+                        _ => String::new(),
+                    },
                     DiffText::Spacing(n) => {
-                        line.spans.push(Span::raw(" ".repeat(n)));
+                        line.spans.push(Span::raw(" ".repeat(n as usize)));
                         sx += n as u16;
                         return Ok(());
                     }
-                    DiffText::Eol => {
-                        return Ok(());
-                    }
-                }
+                    DiffText::Eol => return Ok(()),
+                };
+
                 let len = label_text.len();
-                let highlighted = *highlight == text;
+                let highlighted =
+                    highlight_kind != HighlightKind::None && *highlight == highlight_kind;
                 if let Some((cx, cy)) = result.click_xy {
                     if cx >= sx && cx < sx + len as u16 && cy == sy {
-                        new_highlight = Some(text.into());
+                        new_highlight = Some(highlight_kind);
                     }
                 }
-                let mut style = Style::new().fg(base_color);
+                let mut style = Style::new().fg(match segment.color {
+                    DiffTextColor::Normal => Color::Gray,
+                    DiffTextColor::Dim => Color::DarkGray,
+                    DiffTextColor::Bright => Color::White,
+                    DiffTextColor::Replace => Color::Cyan,
+                    DiffTextColor::Delete => Color::Red,
+                    DiffTextColor::Insert => Color::Green,
+                    DiffTextColor::Rotating(i) => COLOR_ROTATION[i as usize % COLOR_ROTATION.len()],
+                });
                 if highlighted {
                     style = style.bg(Color::DarkGray);
                 }
                 line.spans.push(Span::styled(label_text, style));
                 sx += len as u16;
-                if pad_to > len {
-                    let pad = (pad_to - len) as u16;
+                if segment.pad_to as usize > len {
+                    let pad = (segment.pad_to as usize - len) as u16;
                     line.spans.push(Span::raw(" ".repeat(pad as usize)));
                     sx += pad;
                 }
@@ -598,12 +593,13 @@ impl FunctionDiffUi {
         new_highlight
     }
 
-    fn print_margin(&self, out: &mut Text, symbol: &ObjSymbolDiff, rect: Rect) {
-        for ins_diff in symbol.instructions.iter().skip(self.scroll_y).take(rect.height as usize) {
-            if ins_diff.kind != ObjInsDiffKind::None {
-                out.lines.push(Line::raw(match ins_diff.kind {
-                    ObjInsDiffKind::Delete => "<",
-                    ObjInsDiffKind::Insert => ">",
+    fn print_margin(&self, out: &mut Text, symbol: &SymbolDiff, rect: Rect) {
+        for ins_row in symbol.instruction_rows.iter().skip(self.scroll_y).take(rect.height as usize)
+        {
+            if ins_row.kind != InstructionDiffKind::None {
+                out.lines.push(Line::raw(match ins_row.kind {
+                    InstructionDiffKind::Delete => "<",
+                    InstructionDiffKind::Insert => ">",
                     _ => "|",
                 }));
             } else {
@@ -611,6 +607,18 @@ impl FunctionDiffUi {
             }
         }
     }
+
+    fn print_build_status<'a>(&self, out: &mut Text<'a>, status: &'a BuildStatus) {
+        if !status.cmdline.is_empty() {
+            out.lines.push(Line::styled(status.cmdline.clone(), Style::new().fg(Color::LightBlue)));
+        }
+        for line in status.stdout.lines() {
+            out.lines.push(Line::styled(line, Style::new().fg(Color::White)));
+        }
+        for line in status.stderr.lines() {
+            out.lines.push(Line::styled(line, Style::new().fg(Color::Red)));
+        }
+    }
 }
 
 pub const COLOR_ROTATION: [Color; 7] = [
@@ -635,23 +643,18 @@ pub fn match_percent_color(match_percent: f32) -> Color {
 
 #[inline]
 fn get_symbol(
-    obj: Option<&(ObjInfo, ObjDiff)>,
-    sym: Option<SymbolRef>,
-) -> Option<(&ObjSymbol, &ObjSymbolDiff)> {
+    obj: Option<&(Object, ObjectDiff)>,
+    sym: Option<usize>,
+) -> Option<(&Object, usize, &SymbolDiff)> {
     let (obj, diff) = obj?;
     let sym = sym?;
-    Some((obj.section_symbol(sym).1, diff.symbol_diff(sym)))
+    Some((obj, sym, &diff.symbols[sym]))
 }
 
-fn find_function(obj: &ObjInfo, name: &str) -> Option<SymbolRef> {
-    for (section_idx, section) in obj.sections.iter().enumerate() {
-        if section.kind != ObjSectionKind::Code {
-            continue;
-        }
-        for (symbol_idx, symbol) in section.symbols.iter().enumerate() {
-            if symbol.name == name {
-                return Some(SymbolRef { section_idx, symbol_idx });
-            }
+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

@@ -12,54 +12,42 @@ A local diffing tool for decompilation projects.
 """
 documentation = "https://docs.rs/objdiff-core"
 
-[lib]
-crate-type = ["cdylib", "rlib"]
-
 [features]
+default = ["std"]
 all = [
     # Features
     "bindings",
     "build",
     "config",
     "dwarf",
+    "serde",
     # Architectures
+    "arm",
+    "arm64",
     "mips",
     "ppc",
     "x86",
-    "arm",
-    "arm64",
 ]
 # Implicit, used to check if any arch is enabled
 any-arch = [
-    "config",
-    "dep:bimap",
-    "dep:byteorder",
     "dep:flagset",
     "dep:heck",
     "dep:log",
-    "dep:memmap2",
     "dep:num-traits",
     "dep:prettyplease",
     "dep:proc-macro2",
     "dep:quote",
-    "dep:serde",
-    "dep:serde_json",
+    "dep:regex",
     "dep:similar",
-    "dep:strum",
     "dep:syn",
 ]
 bindings = [
-    "dep:pbjson",
-    "dep:pbjson-build",
     "dep:prost",
     "dep:prost-build",
-    "dep:serde",
-    "dep:serde_json",
 ]
 build = [
     "dep:notify",
     "dep:notify-debouncer-full",
-    "dep:path-slash",
     "dep:reqwest",
     "dep:self_update",
     "dep:shell-escape",
@@ -68,17 +56,33 @@ build = [
     "dep:winapi",
 ]
 config = [
-    "dep:bimap",
-    "dep:filetime",
     "dep:globset",
     "dep:semver",
-    "dep:serde",
-    "dep:serde_json",
-    "dep:serde_yaml",
+    "dep:typed-path",
 ]
 dwarf = ["dep:gimli"]
+serde = [
+    "dep:pbjson",
+    "dep:pbjson-build",
+    "dep:serde",
+    "dep:serde_json",
+]
+std = [
+    "anyhow/std",
+    "flagset?/std",
+    "log?/std",
+    "num-traits?/std",
+    "object/std",
+    "prost?/std",
+    "serde?/std",
+    "typed-path?/std",
+    "dep:filetime",
+    "dep:memmap2",
+]
 mips = [
     "any-arch",
+    "dep:cpp_demangle",
+    "dep:cwdemangle",
     "dep:rabbitizer",
 ]
 ppc = [
@@ -86,6 +90,7 @@ ppc = [
     "dep:cwdemangle",
     "dep:cwextab",
     "dep:ppc750cl",
+    "dep:rlwinmdec",
 ]
 x86 = [
     "any-arch",
@@ -105,78 +110,64 @@ arm64 = [
     "dep:yaxpeax-arch",
     "dep:yaxpeax-arm",
 ]
-wasm = [
-    "any-arch",
-    "bindings",
-    "dep:console_error_panic_hook",
-    "dep:console_log",
-    "dep:log",
-    "dep:tsify-next",
-    "dep:wasm-bindgen",
-]
 
 [package.metadata.docs.rs]
 features = ["all"]
 
 [dependencies]
-anyhow = "1.0"
-bimap = { version = "0.6", features = ["serde"], optional = true }
-byteorder = { version = "1.5", optional = true }
+anyhow = { version = "1.0", default-features = false }
 filetime = { version = "0.2", optional = true }
-flagset = { version = "0.4", optional = true }
-log = { version = "0.4", optional = true }
+flagset = { version = "0.4", default-features = false, optional = true, git = "https://github.com/enarx/flagset.git", rev = "a1fe9369b3741e43fec45da1998e83b9d78966a2" }
+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", optional = true }
-object = { version = "0.36", features = ["read_core", "std", "elf", "pe"], default-features = false }
-pbjson = { version = "0.7", optional = true }
-prost = { version = "0.13", optional = true }
-serde = { version = "1.0", features = ["derive"], optional = true }
-similar = { version = "2.6", default-features = false, optional = true }
-strum = { version = "0.26", features = ["derive"], optional = true }
-wasm-bindgen = { version = "0.2", optional = true }
-tsify-next = { version = "0.5", default-features = false, features = ["js"], optional = true }
-console_log = { version = "1.0", optional = true }
-console_error_panic_hook = { version = "0.1", optional = true }
+num-traits = { version = "0.2", default-features = false, optional = true }
+object = { version = "0.36", default-features = false, features = ["read_core", "elf", "pe"] }
+pbjson = { version = "0.7", default-features = false, optional = true }
+prost = { version = "0.13", default-features = false, features = ["prost-derive"], optional = true }
+regex = { version = "1.11", default-features = false, features = [], optional = true }
+serde = { version = "1.0", default-features = false, features = ["derive"], optional = true }
+similar = { version = "2.7", default-features = false, optional = true, git = "https://github.com/encounter/similar.git", branch = "no_std" }
+typed-path = { version = "0.10", default-features = false, optional = true }
 
 # config
-globset = { version = "0.4", features = ["serde1"], optional = true }
-semver = { version = "1.0", optional = true }
-serde_json = { version = "1.0", optional = true }
-serde_yaml = { version = "0.9", optional = true }
+globset = { version = "0.4", default-features = false, optional = true }
+semver = { version = "1.0", default-features = false, optional = true }
+serde_json = { version = "1.0", default-features = false, features = ["alloc"], optional = true }
 
 # dwarf
-gimli = { version = "0.31", default-features = false, features = ["read-all"], optional = true }
+gimli = { version = "0.31", default-features = false, features = ["read"], optional = true }
 
 # ppc
 cwdemangle = { version = "1.0", optional = true }
-cwextab = { version = "1.0", optional = true }
+cwextab = { version = "1.0", optional = true, git = "https://github.com/CelestialAmber/cwextab.git" }
 ppc750cl = { version = "0.3", optional = true }
+rlwinmdec = { version = "1.1", optional = true, git = "https://github.com/CelestialAmber/rlwinmdec.git" }
 
 # mips
-rabbitizer = { version = "1.12", optional = true }
+rabbitizer = { git = "https://github.com/Decompollaborate/rabbitizer.git", branch = "🦀", default-features = false, features = ["all_extensions"], optional = true }
 
 # x86
-cpp_demangle = { version = "0.4", optional = true }
-iced-x86 = { version = "1.21", default-features = false, features = ["std", "decoder", "intel", "gas", "masm", "nasm", "exhaustive_enums"], optional = true }
-msvc-demangler = { version = "0.10", optional = true }
+cpp_demangle = { version = "0.4", default-features = false, features = ["alloc"], optional = true }
+iced-x86 = { version = "1.21", default-features = false, features = ["decoder", "intel", "gas", "masm", "nasm", "exhaustive_enums", "no_std"], optional = true }
+msvc-demangler = { version = "0.11", optional = true }
 
 # arm
-unarm = { version = "1.6", optional = true }
-arm-attr = { version = "0.1", optional = true }
+unarm = { version = "1.7", optional = true }
+arm-attr = { version = "0.2", optional = true }
 
 # arm64
-yaxpeax-arch = { version = "0.3", default-features = false, features = ["std"], optional = true }
-yaxpeax-arm = { version = "0.3", default-features = false, features = ["std"], optional = true }
+yaxpeax-arch = { version = "0.3", default-features = false, optional = true }
+yaxpeax-arm = { version = "0.3", default-features = false, optional = true }
 
 # build
 notify = { version = "8.0.0", optional = true }
 notify-debouncer-full = { version = "0.5.0", optional = true }
 shell-escape = { version = "0.1", optional = true }
-tempfile = { version = "3.15", optional = true }
+tempfile = { version = "3.17", optional = true }
 time = { version = "0.3", optional = true }
 
 [target.'cfg(windows)'.dependencies]
-path-slash = { version = "0.2", optional = true }
 winapi = { version = "0.3", optional = true }
 
 # For Linux static binaries, use rustls
@@ -196,6 +187,11 @@ prettyplease = { version = "0.2", optional = true }
 proc-macro2 = { version = "1.0", optional = true }
 prost-build = { version = "0.13", optional = true }
 quote = { version = "1.0", optional = true }
-serde = { version = "1.0", features = ["derive"], optional = true }
-serde_json = { version = "1.0", optional = true }
+serde = { version = "1.0", features = ["derive"] }
+serde_json = { version = "1.0" }
 syn = { version = "2.0", optional = true }
+
+[dev-dependencies]
+# Enable all features for tests
+objdiff-core = { path = ".", features = ["all"] }
+insta = "1.42"

objdiff-core/build.rs

@@ -1,11 +1,12 @@
 #[cfg(feature = "any-arch")]
 mod config_gen;
 
-fn main() {
+fn main() -> Result<(), Box<dyn std::error::Error>> {
     #[cfg(feature = "bindings")]
     compile_protos();
     #[cfg(feature = "any-arch")]
     config_gen::generate_diff_config();
+    Ok(())
 }
 
 #[cfg(feature = "bindings")]
@@ -18,7 +19,15 @@ fn compile_protos() {
         .map(|m| m.modified().unwrap())
         .unwrap_or(std::time::SystemTime::UNIX_EPOCH);
     let mut run_protoc = false;
-    let proto_files = vec![root.join("diff.proto"), root.join("report.proto")];
+    let proto_files = root
+        .read_dir()
+        .unwrap()
+        .filter_map(|e| {
+            let e = e.unwrap();
+            let path = e.path();
+            (path.extension() == Some(std::ffi::OsStr::new("proto"))).then_some(path)
+        })
+        .collect::<Vec<_>>();
     for proto_file in &proto_files {
         println!("cargo:rerun-if-changed={}", proto_file.display());
         let mtime = match std::fs::metadata(proto_file) {
@@ -54,11 +63,14 @@ fn compile_protos() {
         }
     }
 
-    let descriptor_set = std::fs::read(descriptor_path).expect("Failed to read descriptor set");
-    pbjson_build::Builder::new()
-        .register_descriptors(&descriptor_set)
-        .expect("Failed to register descriptors")
-        .preserve_proto_field_names()
-        .build(&[".objdiff"])
-        .expect("Failed to build pbjson");
+    #[cfg(feature = "serde")]
+    {
+        let descriptor_set = std::fs::read(descriptor_path).expect("Failed to read descriptor set");
+        pbjson_build::Builder::new()
+            .register_descriptors(&descriptor_set)
+            .expect("Failed to register descriptors")
+            .preserve_proto_field_names()
+            .build(&[".objdiff"])
+            .expect("Failed to build pbjson");
+    }
 }

objdiff-core/config-schema.json

@@ -39,6 +39,13 @@
       "name": "Combine data sections",
       "description": "Combines data sections with equal names."
     },
+    {
+      "id": "combineTextSections",
+      "type": "boolean",
+      "default": false,
+      "name": "Combine text sections",
+      "description": "Combines all text sections into one."
+    },
     {
       "id": "arm.archVersion",
       "type": "choice",
@@ -180,6 +187,20 @@
         }
       ]
     },
+    {
+      "id": "mips.registerPrefix",
+      "type": "boolean",
+      "default": false,
+      "name": "Register '$' prefix",
+      "description": "Display MIPS register names with a '$' prefix."
+    },
+    {
+      "id": "ppc.calculatePoolRelocations",
+      "type": "boolean",
+      "default": true,
+      "name": "Calculate pooled data references",
+      "description": "Display pooled data references in functions as fake relocations."
+    },
     {
       "id": "x86.formatter",
       "type": "choice",
@@ -213,7 +234,8 @@
       "properties": [
         "functionRelocDiffs",
         "spaceBetweenArgs",
-        "combineDataSections"
+        "combineDataSections",
+        "combineTextSections"
       ]
     },
     {
@@ -234,7 +256,15 @@
       "name": "MIPS",
       "properties": [
         "mips.abi",
-        "mips.instrCategory"
+        "mips.instrCategory",
+        "mips.registerPrefix"
+      ]
+    },
+    {
+      "id": "ppc",
+      "name": "PowerPC",
+      "properties": [
+        "ppc.calculatePoolRelocations"
       ]
     },
     {
@@ -245,4 +275,4 @@
       ]
     }
   ]
-}
+}

objdiff-core/config_gen.rs

@@ -100,7 +100,7 @@ pub fn generate_diff_config() {
             }
             let value = &item.value;
             variants.extend(quote! {
-                #[serde(rename = #value, alias = #variant_name)]
+                #[cfg_attr(feature = "serde", serde(rename = #value, alias = #variant_name))]
                 #variant_ident,
             });
             full_variants.extend(quote! { #enum_ident::#variant_ident, });
@@ -134,8 +134,8 @@ pub fn generate_diff_config() {
             });
         }
         enums.extend(quote! {
-            #[derive(Copy, Clone, Debug, Default, Eq, PartialEq, Hash, serde::Deserialize, serde::Serialize)]
-            #[cfg_attr(feature = "wasm", derive(tsify_next::Tsify), tsify(from_wasm_abi))]
+            #[derive(Copy, Clone, Debug, Default, Eq, PartialEq, Hash)]
+            #[cfg_attr(feature = "serde", derive(serde::Deserialize, serde::Serialize))]
             pub enum #enum_ident {
                 #variants
             }
@@ -168,7 +168,7 @@ pub fn generate_diff_config() {
                     }
                 }
             }
-            impl std::str::FromStr for #enum_ident {
+            impl core::str::FromStr for #enum_ident {
                 type Err = ();
                 fn from_str(s: &str) -> Result<Self, Self::Err> {
                     #variant_from_str
@@ -244,7 +244,7 @@ pub fn generate_diff_config() {
                 let default = b.default;
                 if default {
                     property_fields.extend(quote! {
-                        #[serde(default = "default_true")]
+                        #[cfg_attr(feature = "serde", serde(default = "default_true"))]
                     });
                 }
                 property_fields.extend(quote! {
@@ -412,7 +412,7 @@ pub fn generate_diff_config() {
                 }
             }
         }
-        impl std::str::FromStr for ConfigPropertyId {
+        impl core::str::FromStr for ConfigPropertyId {
             type Err = ();
             fn from_str(s: &str) -> Result<Self, Self::Err> {
                 #config_property_id_from_str
@@ -433,6 +433,7 @@ pub fn generate_diff_config() {
             Choice(&'static str),
         }
         impl ConfigPropertyValue {
+            #[cfg(feature = "serde")]
             pub fn to_json(&self) -> serde_json::Value {
                 match self {
                     ConfigPropertyValue::Boolean(value) => serde_json::Value::Bool(*value),
@@ -440,17 +441,25 @@ 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),
+                }
+            }
+        }
         #[derive(Clone, Debug)]
         pub enum ConfigPropertyKind {
             Boolean,
             Choice(&'static [ConfigEnumVariantInfo]),
         }
         #enums
+        #[cfg(feature = "serde")]
         #[inline(always)]
         fn default_true() -> bool { true }
-        #[derive(Clone, Debug, serde::Deserialize, serde::Serialize)]
-        #[cfg_attr(feature = "wasm", derive(tsify_next::Tsify), tsify(from_wasm_abi))]
-        #[serde(default)]
+        #[derive(Clone, Debug)]
+        #[cfg_attr(feature = "serde", derive(serde::Deserialize, serde::Serialize), serde(default))]
         pub struct DiffObjConfig {
             #property_fields
         }

objdiff-core/protos/changes.proto

@@ -0,0 +1,59 @@
+syntax = "proto3";
+
+import "report.proto";
+
+package objdiff.report;
+
+// A pair of reports to compare and generate changes
+message ChangesInput {
+  // The previous report
+  Report from = 1;
+  // The current report
+  Report to = 2;
+}
+
+// Changes between two reports
+message Changes {
+  // The progress info for the previous report
+  Measures from = 1;
+  // The progress info for the current report
+  Measures to = 2;
+  // Units that changed
+  repeated ChangeUnit units = 3;
+}
+
+// A changed unit
+message ChangeUnit {
+  // The name of the unit
+  string name = 1;
+  // The previous progress info (omitted if new)
+  optional Measures from = 2;
+  // The current progress info (omitted if removed)
+  optional Measures to = 3;
+  // Sections that changed
+  repeated ChangeItem sections = 4;
+  // Functions that changed
+  repeated ChangeItem functions = 5;
+  // Extra metadata for this unit
+  optional ReportUnitMetadata metadata = 6;
+}
+
+// A changed section or function
+message ChangeItem {
+  // The name of the item
+  string name = 1;
+  // The previous progress info (omitted if new)
+  optional ChangeItemInfo from = 2;
+  // The current progress info (omitted if removed)
+  optional ChangeItemInfo to = 3;
+  // Extra metadata for this item
+  optional ReportItemMetadata metadata = 4;
+}
+
+// Progress info for a section or function
+message ChangeItemInfo {
+  // The overall match percent for this item
+  float fuzzy_match_percent = 1;
+  // The size of the item in bytes
+  uint64 size = 2;
+}