mirror of https://github.com/encounter/objdiff.git
339 lines
13 KiB
Rust
339 lines
13 KiB
Rust
use std::default::Default;
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use cwdemangle::demangle;
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use egui::{text::LayoutJob, Color32, FontFamily, FontId, Label, Sense, TextFormat};
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use egui_extras::{Size, StripBuilder, TableBuilder};
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use ppc750cl::Argument;
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use crate::{
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app::ViewState,
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obj::{
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ObjInfo, ObjIns, ObjInsArg, ObjInsArgDiff, ObjInsDiff, ObjInsDiffKind, ObjReloc,
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ObjRelocKind, ObjSymbol,
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},
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views::symbol_diff::match_color_for_symbol,
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};
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const FONT_SIZE: f32 = 14.0;
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const FONT_ID: FontId = FontId::new(FONT_SIZE, FontFamily::Monospace);
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const COLOR_RED: Color32 = Color32::from_rgb(200, 40, 41);
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fn write_text(str: &str, color: Color32, job: &mut LayoutJob) {
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job.append(str, 0.0, TextFormat { font_id: FONT_ID, color, ..Default::default() });
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}
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fn write_reloc(reloc: &ObjReloc, job: &mut LayoutJob) {
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let name = reloc.target.demangled_name.as_ref().unwrap_or(&reloc.target.name);
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write_text(name, Color32::LIGHT_GRAY, job);
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match reloc.kind {
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ObjRelocKind::PpcAddr16Lo => write_text("@l", Color32::GRAY, job),
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ObjRelocKind::PpcAddr16Hi => write_text("@h", Color32::GRAY, job),
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ObjRelocKind::PpcAddr16Ha => write_text("@ha", Color32::GRAY, job),
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ObjRelocKind::PpcEmbSda21 => write_text("@sda21", Color32::GRAY, job),
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_ => {}
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};
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}
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fn write_ins(
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ins: &ObjIns,
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diff_kind: &ObjInsDiffKind,
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args: &[Option<ObjInsArgDiff>],
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base_addr: u32,
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job: &mut LayoutJob,
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) {
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let base_color = match diff_kind {
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ObjInsDiffKind::None | ObjInsDiffKind::OpMismatch | ObjInsDiffKind::ArgMismatch => {
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Color32::GRAY
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}
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ObjInsDiffKind::Replace => Color32::LIGHT_BLUE,
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ObjInsDiffKind::Delete => COLOR_RED,
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ObjInsDiffKind::Insert => Color32::GREEN,
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};
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write_text(
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&ins.mnemonic,
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match diff_kind {
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ObjInsDiffKind::OpMismatch => Color32::LIGHT_BLUE,
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_ => base_color,
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},
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job,
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);
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let mut writing_offset = false;
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for (i, arg) in ins.args.iter().enumerate() {
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if i == 0 {
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write_text(" ", base_color, job);
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}
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if i > 0 && !writing_offset {
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write_text(", ", base_color, job);
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}
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let color = if let Some(diff) = args.get(i).and_then(|a| a.as_ref()) {
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COLOR_ROTATION[diff.idx % COLOR_ROTATION.len()]
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} else {
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base_color
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};
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match arg {
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ObjInsArg::Arg(arg) => match arg {
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Argument::Offset(val) => {
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write_text(&format!("{}", val), color, job);
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write_text("(", base_color, job);
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writing_offset = true;
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continue;
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}
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Argument::BranchDest(dest) => {
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let addr = dest.0 + ins.ins.addr as i32 - base_addr as i32;
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write_text(&format!("{:x}", addr), color, job);
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}
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Argument::Uimm(_) | Argument::Simm(_) => {
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write_text(&format!("{}", arg), color, job);
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}
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_ => {
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write_text(&format!("{}", arg), color, job);
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}
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},
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ObjInsArg::Reloc => {
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write_reloc(ins.reloc.as_ref().unwrap(), job);
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}
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ObjInsArg::RelocOffset => {
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write_reloc(ins.reloc.as_ref().unwrap(), job);
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write_text("(", base_color, job);
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writing_offset = true;
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continue;
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}
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}
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if writing_offset {
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write_text(")", base_color, job);
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writing_offset = false;
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}
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}
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}
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fn ins_hover_ui(ui: &mut egui::Ui, ins: &ObjIns) {
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ui.scope(|ui| {
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ui.style_mut().override_text_style = Some(egui::TextStyle::Monospace);
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ui.style_mut().wrap = Some(false);
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ui.label(format!("{:02X?}", ins.ins.code.to_be_bytes()));
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for arg in &ins.args {
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if let ObjInsArg::Arg(arg) = arg {
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match arg {
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Argument::Uimm(v) => {
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ui.label(format!("{} == {}", v, v.0));
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}
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Argument::Simm(v) => {
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ui.label(format!("{} == {}", v, v.0));
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}
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Argument::Offset(v) => {
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ui.label(format!("{} == {}", v, v.0));
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}
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_ => {}
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}
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}
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}
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if let Some(reloc) = &ins.reloc {
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ui.label(format!("Relocation type: {:?}", reloc.kind));
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ui.colored_label(Color32::WHITE, format!("Name: {}", reloc.target.name));
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if let Some(section) = &reloc.target_section {
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ui.colored_label(Color32::WHITE, format!("Section: {}", section));
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ui.colored_label(Color32::WHITE, format!("Address: {:x}", reloc.target.address));
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ui.colored_label(Color32::WHITE, format!("Size: {:x}", reloc.target.size));
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} else {
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ui.colored_label(Color32::WHITE, "Extern".to_string());
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}
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}
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});
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}
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fn ins_context_menu(ui: &mut egui::Ui, ins: &ObjIns) {
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ui.scope(|ui| {
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ui.style_mut().override_text_style = Some(egui::TextStyle::Monospace);
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ui.style_mut().wrap = Some(false);
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// if ui.button("Copy hex").clicked() {}
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for arg in &ins.args {
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if let ObjInsArg::Arg(arg) = arg {
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match arg {
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Argument::Uimm(v) => {
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if ui.button(format!("Copy \"{}\"", v)).clicked() {
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ui.output().copied_text = format!("{}", v);
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ui.close_menu();
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}
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if ui.button(format!("Copy \"{}\"", v.0)).clicked() {
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ui.output().copied_text = format!("{}", v.0);
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ui.close_menu();
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}
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}
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Argument::Simm(v) => {
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if ui.button(format!("Copy \"{}\"", v)).clicked() {
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ui.output().copied_text = format!("{}", v);
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ui.close_menu();
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}
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if ui.button(format!("Copy \"{}\"", v.0)).clicked() {
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ui.output().copied_text = format!("{}", v.0);
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ui.close_menu();
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}
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}
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Argument::Offset(v) => {
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if ui.button(format!("Copy \"{}\"", v)).clicked() {
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ui.output().copied_text = format!("{}", v);
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ui.close_menu();
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}
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if ui.button(format!("Copy \"{}\"", v.0)).clicked() {
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ui.output().copied_text = format!("{}", v.0);
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ui.close_menu();
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}
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}
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_ => {}
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}
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}
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}
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if let Some(reloc) = &ins.reloc {
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if let Some(name) = &reloc.target.demangled_name {
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if ui.button(format!("Copy \"{}\"", name)).clicked() {
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ui.output().copied_text = name.clone();
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ui.close_menu();
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}
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}
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if ui.button(format!("Copy \"{}\"", reloc.target.name)).clicked() {
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ui.output().copied_text = reloc.target.name.clone();
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ui.close_menu();
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}
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}
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});
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}
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const COLOR_ROTATION: [Color32; 9] = [
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Color32::from_rgb(255, 0, 255),
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Color32::from_rgb(0, 255, 255),
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Color32::from_rgb(0, 128, 0),
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Color32::from_rgb(255, 0, 0),
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Color32::from_rgb(255, 255, 0),
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Color32::from_rgb(255, 192, 203),
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Color32::from_rgb(0, 0, 255),
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Color32::from_rgb(0, 255, 0),
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Color32::from_rgb(128, 128, 128),
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];
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fn find_symbol<'a>(obj: &'a ObjInfo, section_name: &str, name: &str) -> Option<&'a ObjSymbol> {
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let section = obj.sections.iter().find(|s| s.name == section_name)?;
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section.symbols.iter().find(|s| s.name == name)
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}
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fn asm_row_ui(ui: &mut egui::Ui, ins_diff: &ObjInsDiff, symbol: &ObjSymbol) {
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if ins_diff.kind != ObjInsDiffKind::None {
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ui.painter().rect_filled(ui.available_rect_before_wrap(), 0.0, ui.visuals().faint_bg_color);
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}
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let mut job = LayoutJob::default();
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if let Some(ins) = &ins_diff.ins {
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let base_color = match ins_diff.kind {
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ObjInsDiffKind::None | ObjInsDiffKind::OpMismatch | ObjInsDiffKind::ArgMismatch => {
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Color32::GRAY
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}
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ObjInsDiffKind::Replace => Color32::LIGHT_BLUE,
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ObjInsDiffKind::Delete => COLOR_RED,
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ObjInsDiffKind::Insert => Color32::GREEN,
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};
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write_text(
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&format!("{:<6}", format!("{:x}:", ins.ins.addr - symbol.address as u32)),
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base_color,
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&mut job,
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);
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if let Some(branch) = &ins_diff.branch_from {
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write_text("~> ", COLOR_ROTATION[branch.branch_idx % COLOR_ROTATION.len()], &mut job);
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} else {
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write_text(" ", base_color, &mut job);
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}
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write_ins(ins, &ins_diff.kind, &ins_diff.arg_diff, symbol.address as u32, &mut job);
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if let Some(branch) = &ins_diff.branch_to {
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write_text(" ~>", COLOR_ROTATION[branch.branch_idx % COLOR_ROTATION.len()], &mut job);
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}
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ui.add(Label::new(job).sense(Sense::click()))
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.on_hover_ui_at_pointer(|ui| ins_hover_ui(ui, ins))
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.context_menu(|ui| ins_context_menu(ui, ins));
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} else {
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ui.label("");
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}
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}
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fn asm_table_ui(
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table: TableBuilder<'_>,
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left_obj: &ObjInfo,
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right_obj: &ObjInfo,
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fn_name: &str,
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) -> Option<()> {
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let left_symbol = find_symbol(left_obj, ".text", fn_name)?;
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let right_symbol = find_symbol(right_obj, ".text", fn_name)?;
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table.body(|body| {
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body.rows(FONT_SIZE, left_symbol.instructions.len(), |row_index, mut row| {
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row.col(|ui| {
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asm_row_ui(ui, &left_symbol.instructions[row_index], left_symbol);
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});
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row.col(|ui| {
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asm_row_ui(ui, &right_symbol.instructions[row_index], right_symbol);
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});
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});
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});
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Some(())
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}
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pub fn function_diff_ui(ui: &mut egui::Ui, view_state: &mut ViewState) {
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if let (Some(result), Some(selected_symbol)) = (&view_state.build, &view_state.selected_symbol)
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{
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StripBuilder::new(ui).size(Size::exact(40.0)).size(Size::remainder()).vertical(
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|mut strip| {
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strip.strip(|builder| {
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builder.sizes(Size::remainder(), 2).horizontal(|mut strip| {
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let demangled = demangle(selected_symbol);
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strip.cell(|ui| {
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ui.scope(|ui| {
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ui.style_mut().override_text_style =
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Some(egui::TextStyle::Monospace);
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ui.style_mut().wrap = Some(false);
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ui.colored_label(
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Color32::WHITE,
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demangled.as_ref().unwrap_or(selected_symbol),
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);
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ui.label("Diff asm:");
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ui.separator();
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});
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});
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strip.cell(|ui| {
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ui.scope(|ui| {
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ui.style_mut().override_text_style =
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Some(egui::TextStyle::Monospace);
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ui.style_mut().wrap = Some(false);
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if let Some(obj) = &result.second_obj {
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if let Some(symbol) = find_symbol(obj, ".text", selected_symbol)
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{
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ui.colored_label(
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match_color_for_symbol(symbol),
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&format!("{:.0}%", symbol.match_percent),
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);
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}
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}
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ui.label("Diff src:");
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ui.separator();
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});
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});
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});
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});
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strip.cell(|ui| {
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if let (Some(left_obj), Some(right_obj)) =
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(&result.first_obj, &result.second_obj)
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{
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let table = TableBuilder::new(ui)
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.striped(false)
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.cell_layout(egui::Layout::left_to_right(egui::Align::Min))
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.column(Size::relative(0.5))
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.column(Size::relative(0.5))
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.resizable(false);
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asm_table_ui(table, left_obj, right_obj, selected_symbol);
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}
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});
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},
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);
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}
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}
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