Version v3.0.0-beta.10

* WIP implementation

* * Move flow analysis to dedicated file
* Show string constants inline
* Handle calls to MWCC "sled" helpers which otherwise disrupt flow analysis

* Run cargo insta review

* Apply clippy feedback

* Update more tests.

* Remove std use from ppc flow analysis

* Try to make wasm build work again

* More test changes

* Probably last wasm fix

* Formatting

* Fix WASM

* One more clippy thing

* Fixed display of float constants in a LFS or LFD instruction in case where there is a branch to the subsequent instruction with a different register value.

* On lines with a reloc, only hide Symbol type data flow values rather than all data flow values.

* Formatting

.cargo/config.toml

@@ -0,0 +1,4 @@
+# statically link the C runtime so the executable does not depend on
+# that shared/dynamic library.
+[target.'cfg(all(target_env = "msvc", target_os = "windows"))']
+rustflags = ["-C", "target-feature=+crt-static"]

.editorconfig

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

.github/workflows/build.yaml

@@ -4,13 +4,16 @@ on:
   pull_request:
   push:
     paths-ignore:
-      - '*.md'
-      - 'LICENSE*'
+      - "*.md"
+      - "LICENSE*"
   workflow_dispatch:
 
+permissions:
+  # For npm publish provenance
+  id-token: write
+
 env:
   BUILD_PROFILE: release-lto
-  CARGO_TARGET_DIR: target
   CARGO_INCREMENTAL: 0
 
 jobs:
@@ -30,10 +33,12 @@ jobs:
         uses: dtolnay/rust-toolchain@stable
         with:
           components: clippy
+      - 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
@@ -63,13 +68,12 @@ jobs:
     continue-on-error: ${{ matrix.checks == 'advisories' }}
     steps:
       - uses: actions/checkout@v4
-      - uses: EmbarkStudios/cargo-deny-action@v1
+      - uses: EmbarkStudios/cargo-deny-action@v2
         with:
           command: check ${{ matrix.checks }}
 
   test:
     name: Test
-    if: 'false' # No tests yet
     strategy:
       matrix:
         platform: [ ubuntu-latest, windows-latest, macos-latest ]
@@ -85,8 +89,10 @@ jobs:
         uses: actions/checkout@v4
       - name: Setup Rust toolchain
         uses: dtolnay/rust-toolchain@stable
+      - 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
@@ -110,11 +116,6 @@ jobs:
             name: linux-aarch64
             build: zigbuild
             features: default
-          - platform: ubuntu-latest
-            target: armv7-unknown-linux-musleabi
-            name: linux-armv7l
-            build: zigbuild
-            features: default
           - platform: windows-latest
             target: i686-pc-windows-msvc
             name: windows-x86
@@ -147,22 +148,30 @@ jobs:
         uses: actions/checkout@v4
       - name: Install cargo-zigbuild
         if: matrix.build == 'zigbuild'
-        run: pip install ziglang==0.13.0 cargo-zigbuild==0.19.1
+        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 }}
+      - name: Cache Rust workspace
+        uses: Swatinem/rust-cache@v2
+        with:
+          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:
@@ -173,21 +182,26 @@ 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 }}
@@ -199,34 +213,70 @@ 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
 
-  release:
-    name: Release
-    if: startsWith(github.ref, 'refs/tags/')
+  build-wasm:
+    name: Build objdiff-wasm
     runs-on: ubuntu-latest
-    needs: [ build-cli, build-gui ]
-    permissions:
-      contents: write
     steps:
       - name: Checkout
         uses: actions/checkout@v4
-      - name: Check git tag against Cargo version
+      - name: Setup Rust toolchain
+        uses: dtolnay/rust-toolchain@nightly
+        with:
+          components: rust-src
+      - name: Cache Rust workspace
+        uses: Swatinem/rust-cache@v2
+      - name: Setup Node
+        uses: actions/setup-node@v4
+        with:
+          node-version: lts/*
+      - name: Install dependencies
+        run: npm -C objdiff-wasm ci
+      - name: Build
+        run: npm -C objdiff-wasm run build
+      - name: Upload artifacts
+        uses: actions/upload-artifact@v4
+        with:
+          name: wasm
+          path: objdiff-wasm/dist/
+          if-no-files-found: error
+
+  check-version:
+    name: Check package versions
+    if: startsWith(github.ref, 'refs/tags/')
+    runs-on: ubuntu-latest
+    needs: [ build-cli, build-gui, build-wasm ]
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+      - name: Check git tag against package versions
         shell: bash
         run: |
           set -eou pipefail
@@ -238,9 +288,24 @@ jobs:
             echo "::error::Git tag doesn't match the Cargo version! ($tag != $version)"
             exit 1
           fi
+          version="v$(jq -r .version objdiff-wasm/package.json)"
+          if [ "$tag" != "$version" ]; then
+            echo "::error::Git tag doesn't match the npm version! ($tag != $version)"
+            exit 1
+          fi
+
+  release-github:
+    name: Release (GitHub)
+    if: startsWith(github.ref, 'refs/tags/')
+    runs-on: ubuntu-latest
+    needs: [ check-version ]
+    permissions:
+      contents: write
+    steps:
       - name: Download artifacts
         uses: actions/download-artifact@v4
         with:
+          pattern: objdiff-*
           path: artifacts
       - name: Rename artifacts
         working-directory: artifacts
@@ -270,3 +335,53 @@ jobs:
           files: out/*
           draft: true
           generate_release_notes: true
+
+  release-cargo:
+    name: Release (Cargo)
+    if: 'false' # TODO re-enable when all dependencies are published
+    runs-on: ubuntu-latest
+    needs: [ check-version ]
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+      - name: Setup Rust toolchain
+        uses: dtolnay/rust-toolchain@stable
+      - name: Publish
+        env:
+          CARGO_REGISTRY_TOKEN: ${{ secrets.CARGO_REGISTRY_TOKEN }}
+        run: cargo publish -p objdiff-core
+
+  release-npm:
+    name: Release (npm)
+    if: startsWith(github.ref, 'refs/tags/')
+    runs-on: ubuntu-latest
+    needs: [ check-version ]
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+      - name: Setup Node
+        uses: actions/setup-node@v4
+        with:
+          node-version: lts/*
+          registry-url: 'https://registry.npmjs.org'
+      - name: Download artifacts
+        uses: actions/download-artifact@v4
+        with:
+          name: wasm
+          path: objdiff-wasm/dist
+      - name: Publish
+        working-directory: objdiff-wasm
+        env:
+          NODE_AUTH_TOKEN: ${{ secrets.NPM_TOKEN }}
+        run: |
+          set -euo pipefail
+          version=$(jq -r '.version' package.json)
+          tag="latest"
+          # Check for prerelease by looking for a dash
+          case "$version" in
+            *-*)
+              tag=$(echo "$version" | sed -e 's/^[^-]*-//' -e 's/\..*$//')
+              ;;
+          esac
+          echo "Publishing version $version with tag '$tag'..."
+          npm publish --provenance --access public --tag "$tag"

.gitignore

@@ -3,10 +3,6 @@ target/
 **/*.rs.bk
 generated/
 
-# cargo-mobile
-.cargo/
-/gen
-
 # macOS
 .DS_Store
 
@@ -22,4 +18,4 @@ android.keystore
 *.frag
 *.vert
 *.metal
-.vscode/launch.json
+.vscode/

.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 = "2.0.0"
+version = "3.0.0-beta.10"
 authors = ["Luke Street <luke@street.dev>"]
-edition = "2021"
+edition = "2024"
 license = "MIT OR Apache-2.0"
 repository = "https://github.com/encounter/objdiff"
-rust-version = "1.74"
+rust-version = "1.85"

README.md

@@ -16,10 +16,12 @@ Features:
 
 Supports:
 
-- PowerPC 750CL (GameCube, Wii)
-- MIPS (N64, PS1, PS2, PSP)
-- x86 (COFF only at the moment)
 - ARM (GBA, DS, 3DS)
+- ARM64 (Switch)
+- MIPS (N64, PS1, PS2, PSP)
+- PowerPC (GameCube, Wii)
+- SuperH (Saturn, Dreamcast)
+- x86, x86_64 (PC)
 
 See [Usage](#usage) for more information.
 
@@ -142,15 +144,15 @@ If not specified, objdiff will use the default patterns listed above.
 `units` _(optional)_: If specified, objdiff will display a list of objects in the sidebar for easy navigation.
 
 > `name` _(optional)_: The name of the object in the UI. If not specified, the object's `path` will be used.
-> 
+>
 > `target_path`: Path to the "target" or "expected" object from the project root.  
 > This object is the **intended result** of the match.
-> 
+>
 > `base_path`: Path to the "base" or "actual" object from the project root.  
 > This object is built from the **current source code**.
-> 
+>
 > `metadata.auto_generated` _(optional)_: Hides the object from the object list, but still includes it in reports.
-> 
+>
 > `metadata.complete` _(optional)_: Marks the object as "complete" (or "linked") in the object list.  
 > This is useful for marking objects that are fully decompiled. A value of `false` will mark the object as "incomplete".
 
@@ -172,6 +174,21 @@ $ cargo install --locked --git https://github.com/encounter/objdiff.git objdiff-
 
 The binaries will be installed to `~/.cargo/bin` as `objdiff` and `objdiff-cli`.
 
+## Installing `pre-commit`
+
+When contributing, it's recommended to install `pre-commit` to automatically run the linter and formatter before a commit.
+
+[`uv`](https://github.com/astral-sh/uv#installation) is recommended to manage Python version and tools.
+
+Rust nightly is required for `cargo +nightly fmt` and `cargo +nightly clippy`.
+
+```shell
+$ cargo install --locked cargo-deny
+$ rustup toolchain install nightly
+$ uv tool install pre-commit
+$ pre-commit install
+```
+
 ## License
 
 Licensed under either of

config.schema.json

@@ -133,6 +133,13 @@
         },
         "metadata": {
           "ref": "#/$defs/metadata"
+        },
+        "symbol_mappings": {
+          "type": "object",
+          "description": "Manual symbol mappings from target to base.",
+          "additionalProperties": {
+            "type": "string"
+          }
         }
       }
     },
@@ -168,6 +175,10 @@
           "type": "boolean",
           "description": "If true, objdiff will run the build command with the context file as an argument to generate it.",
           "default": false
+        },
+        "preset_id": {
+          "type": "number",
+          "description": "The decomp.me preset ID to use for the scratch.\nCompiler and flags in the config will take precedence over the preset, but the preset is useful for organizational purposes."
         }
       },
       "required": [

deny.toml

@@ -70,10 +70,10 @@ feature-depth = 1
 # A list of advisory IDs to ignore. Note that ignored advisories will still
 # output a note when they are encountered.
 ignore = [
-    "RUSTSEC-2024-0370",
     #{ 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.
@@ -98,12 +98,12 @@ allow = [
     "BSL-1.0",
     "CC0-1.0",
     "MPL-2.0",
-    "Unicode-DFS-2016",
+    "Unicode-3.0",
     "Zlib",
     "0BSD",
     "OFL-1.1",
-    "LicenseRef-UFL-1.0",
-    "OpenSSL",
+    "Ubuntu-font-1.0",
+    "CDLA-Permissive-2.0",
 ]
 # The confidence threshold for detecting a license from license text.
 # The higher the value, the more closely the license text must be to the
@@ -240,7 +240,10 @@ allow-git = []
 
 [sources.allow-org]
 # github.com organizations to allow git sources for
-github = ["encounter"]
+github = [
+    "enarx", # flagset
+    "encounter",
+]
 # gitlab.com organizations to allow git sources for
 gitlab = []
 # bitbucket.org organizations to allow git sources for

objdiff-cli/Cargo.toml

@@ -11,17 +11,16 @@ description = """
 A local diffing tool for decompilation projects.
 """
 publish = false
-build = "build.rs"
 
 [dependencies]
 anyhow = "1.0"
-argp = "0.3"
+argp = "0.4"
 crossterm = "0.28"
 enable-ansi-support = "0.2"
 memmap2 = "0.9"
 objdiff-core = { path = "../objdiff-core", features = ["all"] }
 prost = "0.13"
-ratatui = "0.28"
+ratatui = "0.29"
 rayon = "1.10"
 serde = { version = "1.0", features = ["derive"] }
 serde_json = "1.0"
@@ -29,3 +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 = "0.11"
+
+[target.'cfg(target_env = "musl")'.dependencies]
+mimalloc = "0.1"

objdiff-cli/build.rs

@@ -1,9 +0,0 @@
-fn main() {
-    let output = std::process::Command::new("git")
-        .args(["rev-parse", "HEAD"])
-        .output()
-        .expect("Failed to execute git");
-    let rev = String::from_utf8(output.stdout).expect("Failed to parse git output");
-    println!("cargo:rustc-env=GIT_COMMIT_SHA={rev}");
-    println!("cargo:rustc-rerun-if-changed=.git/HEAD");
-}

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;
@@ -31,10 +31,9 @@ where T: FromArgs
             Ok(v) => {
                 if v.version {
                     println!(
-                        "{} {} {}",
+                        "{} {}",
                         command_name.first().unwrap_or(&""),
                         env!("CARGO_PKG_VERSION"),
-                        env!("GIT_COMMIT_SHA"),
                     );
                     std::process::exit(0);
                 } else {

objdiff-cli/src/cmd/mod.rs

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

objdiff-cli/src/cmd/report.rs

@@ -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::{apply_config_args, diff::ObjectConfig},
+    util::output::{OutputFormat, write_output},
+};
 
 #[derive(FromArgs, PartialEq, Debug)]
 /// Generate a progress report for a project.
@@ -43,33 +40,36 @@ 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,
     #[argp(option, short = 'f')]
     /// Output format (json, json-pretty, proto) (default: json)
     format: Option<String>,
+    #[argp(option, short = 'c')]
+    /// Configuration property (key=value)
+    config: Vec<String>,
 }
 
 #[derive(FromArgs, PartialEq, Debug)]
 /// 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>,
@@ -83,56 +83,64 @@ 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 mut diff_config = diff::DiffObjConfig {
+        function_reloc_diffs: diff::FunctionRelocDiffs::None,
+        combine_data_sections: true,
+        combine_text_sections: true,
+        ppc_calculate_pool_relocations: false,
+        ..Default::default()
+    };
+    apply_config_args(&mut diff_config, &args.config)?;
 
-    let mut project = match objdiff_core::config::try_project_config(project_dir) {
+    let output_format = OutputFormat::from_option(args.format.as_deref())?;
+    let project_dir = args.project.as_deref().unwrap_or_else(|| Utf8PlatformPath::new("."));
+    info!("Loading project {}", project_dir);
+
+    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"),
     };
     info!(
         "Generating report for {} units (using {} threads)",
-        project.objects.len(),
+        project.units().len(),
         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 &mut project.objects {
-            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, &diff_config, Some(&mut existing_functions))?
+            {
                 units.push(unit);
             }
         }
     } else {
-        let vec = project
-            .objects
-            .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, &diff_config, None))
             .collect::<Result<Vec<Option<ReportUnit>>>>()?;
         units = vec.into_iter().flatten().collect();
     }
     let measures = units.iter().flat_map(|u| u.measures.into_iter()).collect();
     let mut categories = Vec::new();
-    for category in &project.progress_categories {
+    for category in project.progress_categories() {
         categories.push(ReportCategory {
             id: category.id.clone(),
             name: category.name.clone(),
@@ -149,71 +157,68 @@ fn generate(args: GenerateArgs) -> Result<()> {
 }
 
 fn report_object(
-    object: &mut ProjectObject,
-    project_dir: &Path,
-    target_dir: Option<&Path>,
-    base_dir: Option<&Path>,
+    object: &ObjectConfig,
+    diff_config: &diff::DiffObjConfig,
     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);
         }
         _ => {}
     }
-    let config = diff::DiffObjConfig { relax_reloc_diffs: true, ..Default::default() };
+    let mapping_config = diff::MappingConfig::default();
     let target = object
         .target_path
         .as_ref()
         .map(|p| {
-            obj::read::read(p, &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, &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(&config, target.as_ref(), base.as_ref(), None)?;
+    let result =
+        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::default();
+    let mut measures = Measures { total_units: 1, ..Default::default() };
     let mut sections = vec![];
     let mut functions = vec![];
 
     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(),
@@ -223,26 +228,31 @@ fn report_object(
                 demangled_name: None,
                 virtual_address: section.virtual_address,
             }),
+            address: None,
         });
 
         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 {
+        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;
@@ -251,11 +261,7 @@ 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;
@@ -270,6 +276,7 @@ fn report_object(
                     demangled_name: symbol.demangled_name.clone(),
                     virtual_address: symbol.virtual_address,
                 }),
+                address: symbol.address.checked_sub(section.address),
             });
             if match_percent == 100.0 {
                 measures.matched_functions += 1;
@@ -277,14 +284,25 @@ fn report_object(
             measures.total_functions += 1;
         }
     }
+    sections.sort_by(|a, b| a.name.cmp(&b.name));
+    let reverse_fn_order = object.metadata.reverse_fn_order.unwrap_or(false);
+    functions.sort_by(|a, b| {
+        if reverse_fn_order {
+            b.address.unwrap_or(0).cmp(&a.address.unwrap_or(0))
+        } else {
+            a.address.unwrap_or(u64::MAX).cmp(&b.address.unwrap_or(u64::MAX))
+        }
+        .then_with(|| a.size.cmp(&b.size))
+    });
     if metadata.complete.unwrap_or(false) {
         measures.complete_code = measures.total_code;
         measures.complete_data = measures.total_data;
+        measures.complete_units = 1;
     }
     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,
@@ -294,7 +312,7 @@ 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)?;
@@ -409,15 +427,14 @@ 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

@@ -1,6 +1,15 @@
+#![allow(clippy::too_many_arguments)]
+
 mod argp_version;
 mod cmd;
 mod util;
+mod views;
+
+// musl's allocator is very slow, so use mimalloc when targeting musl.
+// Otherwise, use the system allocator to avoid extra code size.
+#[cfg(target_env = "musl")]
+#[global_allocator]
+static ALLOC: mimalloc::MiMalloc = mimalloc::MiMalloc;
 
 use std::{env, ffi::OsStr, fmt::Display, path::PathBuf, str::FromStr};
 
@@ -8,7 +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() {