encounter
/
objdiff
mirror of https://github.com/encounter/objdiff.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

Restructure diffing code & initial 3-way diffing (WIP)

This commit is contained in:
Luke Street 2024-03-18 18:10:18 -06:00
parent 1343f4fd2b
commit 3c74b89f15
17 changed files with 957 additions and 487 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

412
objdiff-cli/src/cmd/diff.rs
View File

@ -16,13 +16,16 @@ use event::KeyModifiers;
use objdiff_core::{
config::{ProjectConfig, ProjectObject},
diff,
diff::display::{display_diff, DiffText, HighlightKind},
diff::{
display::{display_diff, DiffText, HighlightKind},
DiffObjsResult, ObjDiff, ObjInsDiffKind, ObjSymbolDiff, SymbolRef,
},
obj,
obj::{ObjInfo, ObjInsDiffKind, ObjSectionKind, ObjSymbol},
obj::{ObjInfo, ObjSectionKind, ObjSymbol},
};
use ratatui::{
prelude::*,
widgets::{Block, Borders, Paragraph, Scrollbar, ScrollbarOrientation, ScrollbarState},
widgets::{Block, Borders, Clear, Paragraph, Scrollbar, ScrollbarOrientation, ScrollbarState},
};
use crate::util::term::crossterm_panic_handler;
@ -146,9 +149,7 @@ pub fn run(args: Args) -> Result<()> {
let time_format = time::format_description::parse_borrowed::<2>("[hour]:[minute]:[second]")
.context("Failed to parse time format")?;
let mut state = Box::new(FunctionDiffUi {
redraw: true,
relax_reloc_diffs: args.relax_reloc_diffs,
click_xy: None,
left_highlight: HighlightKind::None,
right_highlight: HighlightKind::None,
scroll_x: 0,
@ -161,10 +162,17 @@ pub fn run(args: Args) -> Result<()> {
target_path,
base_path,
project_config,
left_obj: None,
right_obj: None,
prev_obj: None,
diff_result: DiffObjsResult::default(),
left_sym: None,
right_sym: None,
prev_sym: None,
reload_time: None,
time_format,
open_options: false,
three_way: false,
});
state.reload()?;
@ -180,17 +188,27 @@ pub fn run(args: Args) -> Result<()> {
let mut terminal = Terminal::new(backend)?;
'outer: loop {
let mut result = EventResult { redraw: true, ..Default::default() };
loop {
if state.redraw {
terminal.draw(|f| state.draw(f))?;
if state.redraw {
continue;
}
if result.redraw {
terminal.draw(|f| loop {
result.redraw = false;
state.draw(f, &mut result);
if state.open_options {
state.draw_options(f, &mut result);
}
result.click_xy = None;
if !result.redraw {
break;
}
// Clear buffer on redraw
f.buffer_mut().reset();
})?;
}
match state.handle_event(event::read()?) {
FunctionDiffResult::Break => break 'outer,
FunctionDiffResult::Continue => {}
FunctionDiffResult::Reload => break,
EventControlFlow::Break => break 'outer,
EventControlFlow::Continue(r) => result = r,
EventControlFlow::Reload => break,
}
}
state.reload()?;
@ -203,14 +221,30 @@ pub fn run(args: Args) -> Result<()> {
Ok(())
}
fn find_function(obj: &ObjInfo, name: &str) -> Option<ObjSymbol> {
for section in &obj.sections {
fn get_symbol(obj: Option<&ObjInfo>, sym: Option<SymbolRef>) -> Option<&ObjSymbol> {
if let (Some(obj), Some(sym)) = (obj, sym) {
obj.sections.get(sym.section_idx).and_then(|s| s.symbols.get(sym.symbol_idx))
} else {
None
}
}
fn get_diff_symbol(obj: Option<&ObjDiff>, sym: Option<SymbolRef>) -> Option<&ObjSymbolDiff> {
if let (Some(obj), Some(sym)) = (obj, sym) {
Some(obj.symbol_diff(sym))
} else {
None
}
}
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 in &section.symbols {
for (symbol_idx, symbol) in section.symbols.iter().enumerate() {
if symbol.name == name {
return Some(symbol.clone());
return Some(SymbolRef { section_idx, symbol_idx });
}
}
}
@ -219,9 +253,7 @@ fn find_function(obj: &ObjInfo, name: &str) -> Option<ObjSymbol> {
#[allow(dead_code)]
struct FunctionDiffUi {
redraw: bool,
relax_reloc_diffs: bool,
click_xy: Option<(u16, u16)>,
left_highlight: HighlightKind,
right_highlight: HighlightKind,
scroll_x: usize,
@ -234,20 +266,33 @@ struct FunctionDiffUi {
target_path: Option<PathBuf>,
base_path: Option<PathBuf>,
project_config: Option<ProjectConfig>,
left_sym: Option<ObjSymbol>,
right_sym: Option<ObjSymbol>,
left_obj: Option<ObjInfo>,
right_obj: Option<ObjInfo>,
prev_obj: Option<ObjInfo>,
diff_result: DiffObjsResult,
left_sym: Option<SymbolRef>,
right_sym: Option<SymbolRef>,
prev_sym: Option<SymbolRef>,
reload_time: Option<time::OffsetDateTime>,
time_format: Vec<time::format_description::FormatItem<'static>>,
open_options: bool,
three_way: bool,
}
enum FunctionDiffResult {
#[derive(Default)]
struct EventResult {
redraw: bool,
click_xy: Option<(u16, u16)>,
}
enum EventControlFlow {
Break,
Continue,
Continue(EventResult),
Reload,
}
impl FunctionDiffUi {
fn draw(&mut self, f: &mut Frame) {
fn draw(&mut self, f: &mut Frame, result: &mut EventResult) {
let chunks = Layout::vertical([Constraint::Length(1), Constraint::Fill(1)]).split(f.size());
let header_chunks = Layout::horizontal([
Constraint::Fill(1),
@ -256,13 +301,25 @@ impl FunctionDiffUi {
Constraint::Length(2),
])
.split(chunks[0]);
let content_chunks = Layout::horizontal([
Constraint::Fill(1),
Constraint::Length(3),
Constraint::Fill(1),
Constraint::Length(2),
])
.split(chunks[1]);
let content_chunks = if self.three_way {
Layout::horizontal([
Constraint::Fill(1),
Constraint::Length(3),
Constraint::Fill(1),
Constraint::Length(3),
Constraint::Fill(1),
Constraint::Length(2),
])
.split(chunks[1])
} else {
Layout::horizontal([
Constraint::Fill(1),
Constraint::Length(3),
Constraint::Fill(1),
Constraint::Length(2),
])
.split(chunks[1])
};
self.per_page = chunks[1].height.saturating_sub(2) as usize;
let max_scroll_y = self.num_rows.saturating_sub(self.per_page);
@ -279,7 +336,9 @@ impl FunctionDiffUi {
f.render_widget(line_l, header_chunks[0]);
let mut line_r = Line::default();
if let Some(percent) = self.right_sym.as_ref().and_then(|s| s.match_percent) {
if let Some(percent) = get_diff_symbol(self.diff_result.right.as_ref(), self.right_sym)
.and_then(|s| s.match_percent)
{
line_r.spans.push(Span::styled(
format!("{:.2}% ", percent),
Style::new().fg(match_percent_color(percent)),
@ -296,49 +355,82 @@ impl FunctionDiffUi {
));
f.render_widget(line_r, header_chunks[2]);
let create_block =
|title: &'static str| Block::new().borders(Borders::TOP).gray().title(title.bold());
let mut left_text = None;
let mut left_highlight = None;
let mut max_width = 0;
if let Some(symbol) = &self.left_sym {
// Render left column
if let (Some(symbol), Some(symbol_diff)) = (
get_symbol(self.left_obj.as_ref(), self.left_sym),
get_diff_symbol(self.diff_result.left.as_ref(), self.left_sym),
) {
let mut text = Text::default();
let rect = content_chunks[0].inner(&Margin::new(0, 1));
let h = self.print_sym(&mut text, symbol, rect, &self.left_highlight);
max_width = max_width.max(text.width());
f.render_widget(
Paragraph::new(text)
.block(create_block("TARGET"))
.scroll((0, self.scroll_x as u16)),
content_chunks[0],
left_highlight = self.print_sym(
&mut text,
symbol,
symbol_diff,
rect,
&self.left_highlight,
result,
false,
);
if let Some(h) = h {
left_highlight = Some(h);
}
max_width = max_width.max(text.width());
left_text = Some(text);
}
let mut right_text = None;
let mut right_highlight = None;
if let Some(symbol) = &self.right_sym {
let mut margin_text = None;
if let (Some(symbol), Some(symbol_diff)) = (
get_symbol(self.right_obj.as_ref(), self.right_sym),
get_diff_symbol(self.diff_result.right.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,
symbol_diff,
rect,
&self.right_highlight,
result,
false,
);
max_width = max_width.max(text.width());
right_text = Some(text);
// Render margin
let mut text = Text::default();
let rect = content_chunks[1].inner(&Margin::new(1, 1));
self.print_margin(&mut text, symbol, rect);
f.render_widget(text, rect);
self.print_margin(&mut text, symbol_diff, rect);
margin_text = Some(text);
}
// Render right column
let mut text = Text::default();
let rect = content_chunks[2].inner(&Margin::new(0, 1));
let h = self.print_sym(&mut text, symbol, rect, &self.right_highlight);
max_width = max_width.max(text.width());
f.render_widget(
Paragraph::new(text)
.block(create_block("CURRENT"))
.scroll((0, self.scroll_x as u16)),
content_chunks[2],
);
if let Some(h) = h {
right_highlight = Some(h);
let mut prev_text = None;
let mut prev_margin_text = None;
if self.three_way {
if let (Some(symbol), Some(symbol_diff)) = (
get_symbol(self.prev_obj.as_ref(), self.prev_sym),
get_diff_symbol(self.diff_result.prev.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,
symbol_diff,
rect,
&self.right_highlight,
result,
true,
);
max_width = max_width.max(text.width());
prev_text = Some(text);
// Render margin
let mut text = Text::default();
let rect = content_chunks[3].inner(&Margin::new(1, 1));
self.print_margin(&mut text, symbol_diff, rect);
prev_margin_text = Some(text);
}
}
@ -350,6 +442,42 @@ impl FunctionDiffUi {
self.scroll_state_x =
self.scroll_state_x.content_length(max_scroll_x).position(self.scroll_x);
if let Some(text) = left_text {
// Render left column
f.render_widget(
Paragraph::new(text)
.block(Block::new().borders(Borders::TOP).gray().title("TARGET".bold()))
.scroll((0, self.scroll_x as u16)),
content_chunks[0],
);
}
if let Some(text) = margin_text {
f.render_widget(text, content_chunks[1].inner(&Margin::new(1, 1)));
}
if let Some(text) = right_text {
f.render_widget(
Paragraph::new(text)
.block(Block::new().borders(Borders::TOP).gray().title("CURRENT".bold()))
.scroll((0, self.scroll_x as u16)),
content_chunks[2],
);
}
if self.three_way {
if let Some(text) = prev_margin_text {
f.render_widget(text, content_chunks[3].inner(&Margin::new(1, 1)));
}
let block = Block::new().borders(Borders::TOP).gray().title("SAVED".bold());
if let Some(text) = prev_text {
f.render_widget(
Paragraph::new(text).block(block.clone()).scroll((0, self.scroll_x as u16)),
content_chunks[4],
);
} else {
f.render_widget(block, content_chunks[4]);
}
}
// Render scrollbars
f.render_stateful_widget(
Scrollbar::new(ScrollbarOrientation::VerticalRight).begin_symbol(None).end_symbol(None),
@ -366,6 +494,13 @@ impl FunctionDiffUi {
content_chunks[2],
&mut self.scroll_state_x,
);
if self.three_way {
f.render_stateful_widget(
Scrollbar::new(ScrollbarOrientation::HorizontalBottom).thumb_symbol("■"),
content_chunks[4],
&mut self.scroll_state_x,
);
}
if let Some(new_highlight) = left_highlight {
if new_highlight == self.left_highlight {
@ -378,8 +513,7 @@ impl FunctionDiffUi {
} else {
self.left_highlight = new_highlight;
}
self.redraw = true;
self.click_xy = None;
result.redraw = true;
} else if let Some(new_highlight) = right_highlight {
if new_highlight == self.right_highlight {
if self.left_highlight != self.right_highlight {
@ -391,86 +525,128 @@ impl FunctionDiffUi {
} else {
self.right_highlight = new_highlight;
}
self.redraw = true;
self.click_xy = None;
} else {
self.redraw = false;
self.click_xy = None;
result.redraw = true;
}
}
fn handle_event(&mut self, event: Event) -> FunctionDiffResult {
fn draw_options(&mut self, f: &mut Frame, _result: &mut EventResult) {
let percent_x = 50;
let percent_y = 50;
let popup_rect = Layout::vertical([
Constraint::Percentage((100 - percent_y) / 2),
Constraint::Percentage(percent_y),
Constraint::Percentage((100 - percent_y) / 2),
])
.split(f.size())[1];
let popup_rect = Layout::horizontal([
Constraint::Percentage((100 - percent_x) / 2),
Constraint::Percentage(percent_x),
Constraint::Percentage((100 - percent_x) / 2),
])
.split(popup_rect)[1];
let popup = Block::default()
.borders(Borders::ALL)
.title("Options")
.title_style(Style::default().fg(Color::White).bg(Color::Black));
f.render_widget(Clear, popup_rect);
f.render_widget(popup, popup_rect);
}
fn handle_event(&mut self, event: Event) -> EventControlFlow {
let mut result = EventResult::default();
match event {
Event::Key(event)
if matches!(event.kind, KeyEventKind::Press | KeyEventKind::Repeat) =>
{
match event.code {
// Quit
KeyCode::Esc | KeyCode::Char('q') => return FunctionDiffResult::Break,
KeyCode::Esc | KeyCode::Char('q') => return EventControlFlow::Break,
// Page up
KeyCode::PageUp => self.page_up(false),
KeyCode::PageUp => {
self.page_up(false);
result.redraw = true;
}
// Page up (shift + space)
KeyCode::Char(' ') if event.modifiers.contains(KeyModifiers::SHIFT) => {
self.page_up(false)
self.page_up(false);
result.redraw = true;
}
// Page down
KeyCode::Char(' ') | KeyCode::PageDown => self.page_down(false),
KeyCode::Char(' ') | KeyCode::PageDown => {
self.page_down(false);
result.redraw = true;
}
// Page down (ctrl + f)
KeyCode::Char('f') if event.modifiers.contains(KeyModifiers::CONTROL) => {
self.page_down(false)
self.page_down(false);
result.redraw = true;
}
// Page up (ctrl + b)
KeyCode::Char('b') if event.modifiers.contains(KeyModifiers::CONTROL) => {
self.page_up(false)
self.page_up(false);
result.redraw = true;
}
// Half page down (ctrl + d)
KeyCode::Char('d') if event.modifiers.contains(KeyModifiers::CONTROL) => {
self.page_down(true)
self.page_down(true);
result.redraw = true;
}
// Half page up (ctrl + u)
KeyCode::Char('u') if event.modifiers.contains(KeyModifiers::CONTROL) => {
self.page_up(true)
self.page_up(true);
result.redraw = true;
}
// Scroll down
KeyCode::Down | KeyCode::Char('j') => {
self.scroll_y += 1;
self.redraw = true;
result.redraw = true;
}
// Scroll up
KeyCode::Up | KeyCode::Char('k') => {
self.scroll_y = self.scroll_y.saturating_sub(1);
self.redraw = true;
result.redraw = true;
}
// Scroll to start
KeyCode::Char('g') => {
self.scroll_y = 0;
self.redraw = true;
result.redraw = true;
}
// Scroll to end
KeyCode::Char('G') => {
self.scroll_y = self.num_rows;
self.redraw = true;
result.redraw = true;
}
// Reload
KeyCode::Char('r') => {
self.redraw = true;
return FunctionDiffResult::Reload;
result.redraw = true;
return EventControlFlow::Reload;
}
// Scroll right
KeyCode::Right | KeyCode::Char('l') => {
self.scroll_x += 1;
self.redraw = true;
result.redraw = true;
}
// Scroll left
KeyCode::Left | KeyCode::Char('h') => {
self.scroll_x = self.scroll_x.saturating_sub(1);
self.redraw = true;
result.redraw = true;
}
// Toggle relax relocation diffs
KeyCode::Char('x') => {
self.relax_reloc_diffs = !self.relax_reloc_diffs;
self.redraw = true;
return FunctionDiffResult::Reload;
result.redraw = true;
return EventControlFlow::Reload;
}
// Toggle three-way diff
KeyCode::Char('3') => {
self.three_way = !self.three_way;
result.redraw = true;
}
// Toggle options
KeyCode::Char('o') => {
self.open_options = !self.open_options;
result.redraw = true;
}
_ => {}
}
@ -478,56 +654,66 @@ impl FunctionDiffUi {
Event::Mouse(event) => match event.kind {
MouseEventKind::ScrollDown => {
self.scroll_y += 3;
self.redraw = true;
result.redraw = true;
}
MouseEventKind::ScrollUp => {
self.scroll_y = self.scroll_y.saturating_sub(3);
self.redraw = true;
result.redraw = true;
}
MouseEventKind::ScrollRight => {
self.scroll_x += 3;
self.redraw = true;
result.redraw = true;
}
MouseEventKind::ScrollLeft => {
self.scroll_x = self.scroll_x.saturating_sub(3);
self.redraw = true;
result.redraw = true;
}
MouseEventKind::Down(MouseButton::Left) => {
self.click_xy = Some((event.column, event.row));
self.redraw = true;
result.click_xy = Some((event.column, event.row));
result.redraw = true;
}
_ => {}
},
Event::Resize(_, _) => {
self.redraw = true;
result.redraw = true;
}
_ => {}
}
FunctionDiffResult::Continue
EventControlFlow::Continue(result)
}
fn page_up(&mut self, half: bool) {
self.scroll_y = self.scroll_y.saturating_sub(self.per_page / if half { 2 } else { 1 });
self.redraw = true;
}
fn page_down(&mut self, half: bool) {
self.scroll_y += self.per_page / if half { 2 } else { 1 };
self.redraw = true;
}
#[allow(clippy::too_many_arguments)]
fn print_sym(
&self,
out: &mut Text,
out: &mut Text<'static>,
symbol: &ObjSymbol,
symbol_diff: &ObjSymbolDiff,
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.instructions.iter().skip(self.scroll_y).take(rect.height as usize).enumerate()
for (y, ins_diff) in symbol_diff
.instructions
.iter()
.skip(self.scroll_y)
.take(rect.height as usize)
.enumerate()
{
if only_changed && ins_diff.kind == ObjInsDiffKind::None {
out.lines.push(Line::default());
continue;
}
let mut sx = rect.x;
let sy = rect.y + y as u16;
let mut line = Line::default();
@ -591,7 +777,7 @@ impl FunctionDiffUi {
}
let len = label_text.len();
let highlighted = *highlight == text;
if let Some((cx, cy)) = self.click_xy {
if let Some((cx, cy)) = result.click_xy {
if cx >= sx && cx < sx + len as u16 && cy == sy {
new_highlight = Some(text.into());
}
@ -615,7 +801,7 @@ impl FunctionDiffUi {
new_highlight
}
fn print_margin(&self, out: &mut Text, symbol: &ObjSymbol, rect: Rect) {
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 {
@ -630,12 +816,13 @@ impl FunctionDiffUi {
}
fn reload(&mut self) -> Result<()> {
let mut target = self
let prev = self.right_obj.take();
let target = self
.target_path
.as_deref()
.map(|p| obj::read::read(p).with_context(|| format!("Loading {}", p.display())))
.transpose()?;
let mut base = self
let base = self
.base_path
.as_deref()
.map(|p| obj::read::read(p).with_context(|| format!("Loading {}", p.display())))
@ -645,18 +832,27 @@ impl FunctionDiffUi {
space_between_args: true, // TODO
x86_formatter: Default::default(), // TODO
};
diff::diff_objs(&config, target.as_mut(), base.as_mut())?;
let result = diff::diff_objs(&config, target.as_ref(), base.as_ref(), prev.as_ref())?;
let left_sym = target.as_ref().and_then(|o| find_function(o, &self.symbol_name));
let right_sym = base.as_ref().and_then(|o| find_function(o, &self.symbol_name));
self.num_rows = match (&left_sym, &right_sym) {
let prev_sym = prev.as_ref().and_then(|o| find_function(o, &self.symbol_name));
self.num_rows = match (
get_diff_symbol(result.left.as_ref(), left_sym),
get_diff_symbol(result.right.as_ref(), right_sym),
) {
(Some(l), Some(r)) => l.instructions.len().max(r.instructions.len()),
(Some(l), None) => l.instructions.len(),
(None, Some(r)) => r.instructions.len(),
(None, None) => bail!("Symbol not found: {}", self.symbol_name),
};
self.left_obj = target;
self.right_obj = base;
self.prev_obj = prev;
self.diff_result = result;
self.left_sym = left_sym;
self.right_sym = right_sym;
self.prev_sym = prev_sym;
self.reload_time = time::OffsetDateTime::now_local().ok();
Ok(())
}

13
objdiff-cli/src/cmd/report.rs
View File

@ -216,18 +216,18 @@ fn report_object(
_ => {}
}
// println!("Checking {}", object.name());
let mut target = object
let target = object
.target_path
.as_ref()
.map(|p| obj::read::read(p).with_context(|| format!("Failed to open {}", p.display())))
.transpose()?;
let mut base = object
let base = object
.base_path
.as_ref()
.map(|p| obj::read::read(p).with_context(|| format!("Failed to open {}", p.display())))
.transpose()?;
let config = diff::DiffObjConfig { relax_reloc_diffs: true, ..Default::default() };
diff::diff_objs(&config, target.as_mut(), base.as_mut())?;
let result = diff::diff_objs(&config, target.as_ref(), base.as_ref(), None)?;
let mut unit = ReportUnit {
name: object.name().to_string(),
complete: object.complete,
@ -239,11 +239,12 @@ fn report_object(
..Default::default()
};
let obj = target.as_ref().or(base.as_ref()).unwrap();
for section in &obj.sections {
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) {
if section.kind != ObjSectionKind::Code {
continue;
}
for symbol in &section.symbols {
for (symbol, symbol_diff) in section.symbols.iter().zip(&section_diff.symbols) {
if symbol.size == 0 {
continue;
}
@ -255,7 +256,7 @@ fn report_object(
continue;
}
}
let match_percent = symbol.match_percent.unwrap_or_else(|| {
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 == Some(true) {

4
objdiff-core/src/arch/mips.rs
View File

@ -5,8 +5,8 @@ use object::{elf, Endian, Endianness, File, Object, Relocation, RelocationFlags}
use rabbitizer::{config, Abi, InstrCategory, Instruction, OperandType};
use crate::{
arch::ObjArch,
diff::{DiffObjConfig, ProcessCodeResult},
arch::{ObjArch, ProcessCodeResult},
diff::DiffObjConfig,
obj::{ObjIns, ObjInsArg, ObjInsArgValue, ObjReloc, ObjSection},
};

9
objdiff-core/src/arch/mod.rs
View File

@ -4,8 +4,8 @@ use anyhow::{bail, Result};
use object::{Architecture, Object, Relocation, RelocationFlags};
use crate::{
diff::{DiffObjConfig, ProcessCodeResult},
obj::{ObjReloc, ObjSection},
diff::DiffObjConfig,
obj::{ObjIns, ObjReloc, ObjSection},
};
#[cfg(feature = "mips")]
@ -33,6 +33,11 @@ pub trait ObjArch: Send + Sync {
fn display_reloc(&self, flags: RelocationFlags) -> Cow<'static, str>;
}
pub struct ProcessCodeResult {
pub ops: Vec<u16>,
pub insts: Vec<ObjIns>,
}
pub fn new_arch(object: &object::File) -> Result<Box<dyn ObjArch>> {
Ok(match object.architecture() {
#[cfg(feature = "ppc")]

4
objdiff-core/src/arch/ppc.rs
View File

@ -5,8 +5,8 @@ use object::{elf, File, Relocation, RelocationFlags};
use ppc750cl::{disasm_iter, Argument, SimplifiedIns, GPR};
use crate::{
arch::ObjArch,
diff::{DiffObjConfig, ProcessCodeResult},
arch::{ObjArch, ProcessCodeResult},
diff::DiffObjConfig,
obj::{ObjIns, ObjInsArg, ObjInsArgValue, ObjReloc, ObjSection},
};

48
objdiff-core/src/arch/x86.rs
View File

@ -4,13 +4,13 @@ use anyhow::{anyhow, bail, ensure, Result};
use iced_x86::{
Decoder, DecoderOptions, DecoratorKind, Formatter, FormatterOutput, FormatterTextKind,
GasFormatter, Instruction, IntelFormatter, MasmFormatter, NasmFormatter, NumberKind, OpKind,
PrefixKind, Register, SymbolResult,
PrefixKind, Register,
};
use object::{pe, Endian, Endianness, File, Object, Relocation, RelocationFlags};
use crate::{
arch::ObjArch,
diff::{DiffObjConfig, ProcessCodeResult, X86Formatter},
arch::{ObjArch, ProcessCodeResult},
diff::{DiffObjConfig, X86Formatter},
obj::{ObjIns, ObjInsArg, ObjInsArgValue, ObjReloc, ObjSection},
};
@ -88,29 +88,6 @@ impl ObjArch for ObjArchX86 {
ensure!(output.ins_operands.len() == output.ins.args.len());
output.ins.orig = Some(output.formatted.clone());
// print!("{:016X} ", instruction.ip());
// let start_index = (instruction.ip() - address) as usize;
// let instr_bytes = &data[start_index..start_index + instruction.len()];
// for b in instr_bytes.iter() {
// print!("{:02X}", b);
// }
// if instr_bytes.len() < 32 {
// for _ in 0..32 - instr_bytes.len() {
// print!(" ");
// }
// }
// println!(" {}", output.formatted);
//
// if let Some(reloc) = reloc {
// println!("\tReloc: {:?}", reloc);
// }
//
// for i in 0..instruction.op_count() {
// let kind = instruction.op_kind(i);
// print!("{:?} ", kind);
// }
// println!();
// Make sure we've put the relocation somewhere in the instruction
if reloc.is_some() && !output.ins.args.iter().any(|a| matches!(a, ObjInsArg::Reloc)) {
let mut found = replace_arg(
@ -229,7 +206,6 @@ impl InstructionFormatterOutput {
impl FormatterOutput for InstructionFormatterOutput {
fn write(&mut self, text: &str, kind: FormatterTextKind) {
// log::debug!("write {} {:?}", text, kind);
self.formatted.push_str(text);
// Skip whitespace after the mnemonic
if self.ins.args.is_empty() && kind == FormatterTextKind::Text {
@ -252,14 +228,12 @@ impl FormatterOutput for InstructionFormatterOutput {
}
fn write_prefix(&mut self, _instruction: &Instruction, text: &str, _prefix: PrefixKind) {
// log::debug!("write_prefix {} {:?}", text, prefix);
self.formatted.push_str(text);
self.ins_operands.push(None);
self.ins.args.push(ObjInsArg::Arg(ObjInsArgValue::Opaque(text.to_string())));
}
fn write_mnemonic(&mut self, _instruction: &Instruction, text: &str) {
// log::debug!("write_mnemonic {}", text);
self.formatted.push_str(text);
self.ins.mnemonic = text.to_string();
}
@ -274,7 +248,6 @@ impl FormatterOutput for InstructionFormatterOutput {
number_kind: NumberKind,
kind: FormatterTextKind,
) {
// log::debug!("write_number {} {:?} {} {} {:?} {:?}", operand, instruction_operand, text, value, number_kind, kind);
self.formatted.push_str(text);
self.ins_operands.push(instruction_operand);
@ -343,7 +316,6 @@ impl FormatterOutput for InstructionFormatterOutput {
text: &str,
_decorator: DecoratorKind,
) {
// log::debug!("write_decorator {} {:?} {} {:?}", operand, instruction_operand, text, decorator);
self.formatted.push_str(text);
self.ins_operands.push(instruction_operand);
self.ins.args.push(ObjInsArg::PlainText(text.to_string()));
@ -357,22 +329,8 @@ impl FormatterOutput for InstructionFormatterOutput {
text: &str,
_register: Register,
) {
// log::debug!("write_register {} {:?} {} {:?}", operand, instruction_operand, text, register);
self.formatted.push_str(text);
self.ins_operands.push(instruction_operand);
self.ins.args.push(ObjInsArg::Arg(ObjInsArgValue::Opaque(text.to_string())));
}
fn write_symbol(
&mut self,
_instruction: &Instruction,
_operand: u32,
_instruction_operand: Option<u32>,
_address: u64,
_symbol: &SymbolResult<'_>,
) {
if self.error.is_none() {
self.error = Some(anyhow!("x86: Unsupported write_symbol"));
}
}
}

108
objdiff-core/src/diff/code.rs
View File

@ -8,56 +8,66 @@ use anyhow::Result;
use similar::{capture_diff_slices_deadline, Algorithm};
use crate::{
arch::ObjArch,
diff::{DiffObjConfig, ProcessCodeResult},
obj::{
ObjInfo, ObjInsArg, ObjInsArgDiff, ObjInsBranchFrom, ObjInsBranchTo, ObjInsDiff,
ObjInsDiffKind, ObjReloc, ObjSymbol, ObjSymbolFlags,
arch::ProcessCodeResult,
diff::{
get_symbol, DiffObjConfig, ObjInsArgDiff, ObjInsBranchFrom, ObjInsBranchTo, ObjInsDiff,
ObjInsDiffKind, ObjSymbolDiff, SymbolRef,
},
obj::{ObjInfo, ObjInsArg, ObjReloc, ObjSymbol, ObjSymbolFlags},
};
pub fn no_diff_code(
arch: &dyn ObjArch,
obj: &ObjInfo,
symbol_ref: SymbolRef,
config: &DiffObjConfig,
data: &[u8],
symbol: &mut ObjSymbol,
relocs: &[ObjReloc],
line_info: &Option<BTreeMap<u64, u64>>,
) -> Result<()> {
let code =
&data[symbol.section_address as usize..(symbol.section_address + symbol.size) as usize];
let out = arch.process_code(config, code, symbol.address, relocs, line_info)?;
) -> Result<ObjSymbolDiff> {
let section = &obj.sections[symbol_ref.section_idx];
let symbol = &section.symbols[symbol_ref.symbol_idx];
let code = &section.data
[symbol.section_address as usize..(symbol.section_address + symbol.size) as usize];
let out = obj.arch.process_code(
config,
code,
symbol.address,
&section.relocations,
&obj.line_info,
)?;
let mut diff = Vec::<ObjInsDiff>::new();
for i in out.insts {
diff.push(ObjInsDiff { ins: Some(i), kind: ObjInsDiffKind::None, ..Default::default() });
}
resolve_branches(&mut diff);
symbol.instructions = diff;
Ok(())
Ok(ObjSymbolDiff { diff_symbol: None, instructions: diff, match_percent: None })
}
#[allow(clippy::too_many_arguments)]
pub fn diff_code(
arch: &dyn ObjArch,
left_obj: &ObjInfo,
right_obj: &ObjInfo,
left_symbol_ref: SymbolRef,
right_symbol_ref: SymbolRef,
config: &DiffObjConfig,
left_data: &[u8],
right_data: &[u8],
left_symbol: &mut ObjSymbol,
right_symbol: &mut ObjSymbol,
left_relocs: &[ObjReloc],
right_relocs: &[ObjReloc],
left_line_info: &Option<BTreeMap<u64, u64>>,
right_line_info: &Option<BTreeMap<u64, u64>>,
) -> Result<()> {
let left_code = &left_data[left_symbol.section_address as usize
) -> Result<(ObjSymbolDiff, ObjSymbolDiff)> {
let (left_section, left_symbol) = get_symbol(left_obj, left_symbol_ref);
let (right_section, right_symbol) = get_symbol(right_obj, right_symbol_ref);
let left_code = &left_section.data[left_symbol.section_address as usize
..(left_symbol.section_address + left_symbol.size) as usize];
let right_code = &right_data[right_symbol.section_address as usize
let right_code = &right_section.data[right_symbol.section_address as usize
..(right_symbol.section_address + right_symbol.size) as usize];
let left_out =
arch.process_code(config, left_code, left_symbol.address, left_relocs, left_line_info)?;
let right_out =
arch.process_code(config, right_code, right_symbol.address, right_relocs, right_line_info)?;
let left_out = left_obj.arch.process_code(
config,
left_code,
left_symbol.address,
&left_section.relocations,
&left_obj.line_info,
)?;
let right_out = left_obj.arch.process_code(
config,
right_code,
right_symbol.address,
&right_section.relocations,
&right_obj.line_info,
)?;
let mut left_diff = Vec::<ObjInsDiff>::new();
let mut right_diff = Vec::<ObjInsDiff>::new();
@ -81,13 +91,19 @@ pub fn diff_code(
} else {
((total - diff_state.diff_count) as f32 / total as f32) * 100.0
};
left_symbol.match_percent = Some(percent);
right_symbol.match_percent = Some(percent);
left_symbol.instructions = left_diff;
right_symbol.instructions = right_diff;
Ok(())
Ok((
ObjSymbolDiff {
diff_symbol: Some(right_symbol_ref),
instructions: left_diff,
match_percent: Some(percent),
},
ObjSymbolDiff {
diff_symbol: Some(left_symbol_ref),
instructions: right_diff,
match_percent: Some(percent),
},
))
}
fn diff_instructions(
@ -223,6 +239,9 @@ fn arg_eq(
},
ObjInsArg::Arg(l) => match right {
ObjInsArg::Arg(r) => l == r,
// If relocations are relaxed, match if left is a constant and right is a reloc
// Useful for instances where the target object is created without relocations
ObjInsArg::Reloc => config.relax_reloc_diffs,
_ => false,
},
ObjInsArg::Reloc => {
@ -334,14 +353,3 @@ fn compare_ins(
}
Ok(result)
}
pub fn find_section_and_symbol(obj: &ObjInfo, name: &str) -> Option<(usize, usize)> {
for (section_idx, section) in obj.sections.iter().enumerate() {
let symbol_idx = match section.symbols.iter().position(|symbol| symbol.name == name) {
Some(symbol_idx) => symbol_idx,
None => continue,
};
return Some((section_idx, symbol_idx));
}
None
}

75
objdiff-core/src/diff/data.rs
View File

@ -6,25 +6,42 @@ use std::{
use anyhow::Result;
use similar::{capture_diff_slices_deadline, Algorithm};
use crate::obj::{ObjDataDiff, ObjDataDiffKind, ObjSection, ObjSymbol};
use crate::{
diff::{get_symbol, ObjDataDiff, ObjDataDiffKind, ObjSectionDiff, ObjSymbolDiff, SymbolRef},
obj::{ObjInfo, ObjSection},
};
pub fn diff_bss_symbols(
left_symbols: &mut [ObjSymbol],
right_symbols: &mut [ObjSymbol],
) -> Result<()> {
for left_symbol in left_symbols {
if let Some(right_symbol) = right_symbols.iter_mut().find(|s| s.name == left_symbol.name) {
left_symbol.diff_symbol = Some(right_symbol.name.clone());
right_symbol.diff_symbol = Some(left_symbol.name.clone());
let percent = if left_symbol.size == right_symbol.size { 100.0 } else { 50.0 };
left_symbol.match_percent = Some(percent);
right_symbol.match_percent = Some(percent);
}
}
Ok(())
pub fn diff_bss_symbol(
left_obj: &ObjInfo,
right_obj: &ObjInfo,
left_symbol_ref: SymbolRef,
right_symbol_ref: SymbolRef,
) -> Result<(ObjSymbolDiff, ObjSymbolDiff)> {
let (_, left_symbol) = get_symbol(left_obj, left_symbol_ref);
let (_, right_symbol) = get_symbol(right_obj, right_symbol_ref);
let percent = if left_symbol.size == right_symbol.size { 100.0 } else { 50.0 };
Ok((
ObjSymbolDiff {
diff_symbol: Some(right_symbol_ref),
instructions: vec![],
match_percent: Some(percent),
},
ObjSymbolDiff {
diff_symbol: Some(left_symbol_ref),
instructions: vec![],
match_percent: Some(percent),
},
))
}
pub fn diff_data(left: &mut ObjSection, right: &mut ObjSection) -> Result<()> {
pub fn no_diff_bss_symbol(_obj: &ObjInfo, _symbol_ref: SymbolRef) -> ObjSymbolDiff {
ObjSymbolDiff { diff_symbol: None, instructions: vec![], match_percent: Some(0.0) }
}
pub fn diff_data(
left: &ObjSection,
right: &ObjSection,
) -> Result<(ObjSectionDiff, ObjSectionDiff)> {
let deadline = Instant::now() + Duration::from_secs(5);
let ops =
capture_diff_slices_deadline(Algorithm::Patience, &left.data, &right.data, Some(deadline));
@ -97,16 +114,18 @@ pub fn diff_data(left: &mut ObjSection, right: &mut ObjSection) -> Result<()> {
}
}
left.data_diff = left_diff;
right.data_diff = right_diff;
Ok(())
}
pub fn no_diff_data(section: &mut ObjSection) {
section.data_diff = vec![ObjDataDiff {
data: section.data.clone(),
kind: ObjDataDiffKind::None,
len: section.data.len(),
symbol: String::new(),
}];
Ok((
ObjSectionDiff {
symbols: vec![],
data_diff: left_diff,
// TODO
match_percent: None,
},
ObjSectionDiff {
symbols: vec![],
data_diff: right_diff,
// TODO
match_percent: None,
},
))
}

5
objdiff-core/src/diff/display.rs
View File

@ -1,6 +1,9 @@
use std::cmp::Ordering;
use crate::obj::{ObjInsArg, ObjInsArgDiff, ObjInsArgValue, ObjInsDiff, ObjReloc, ObjSymbol};
use crate::{
diff::{ObjInsArgDiff, ObjInsDiff},
obj::{ObjInsArg, ObjInsArgValue, ObjReloc, ObjSymbol},
};
#[derive(Debug, Clone)]
pub enum DiffText<'a> {

472
objdiff-core/src/diff/mod.rs
View File

@ -1,15 +1,15 @@
pub mod code;
pub mod data;
mod code;
mod data;
pub mod display;
use anyhow::Result;
use crate::{
diff::{
code::{diff_code, find_section_and_symbol, no_diff_code},
data::{diff_bss_symbols, diff_data, no_diff_data},
code::{diff_code, no_diff_code},
data::{diff_bss_symbol, diff_data, no_diff_bss_symbol},
},
obj::{ObjInfo, ObjIns, ObjSectionKind},
obj::{ObjInfo, ObjIns, ObjSection, ObjSectionKind, ObjSymbol},
};
#[derive(Debug, Copy, Clone, Default, Eq, PartialEq, serde::Deserialize, serde::Serialize)]
@ -29,90 +29,414 @@ pub struct DiffObjConfig {
pub x86_formatter: X86Formatter,
}
pub struct ProcessCodeResult {
pub ops: Vec<u16>,
pub insts: Vec<ObjIns>,
#[derive(Debug, Clone)]
pub struct ObjSectionDiff {
pub symbols: Vec<ObjSymbolDiff>,
pub data_diff: Vec<ObjDataDiff>,
pub match_percent: Option<f32>,
}
impl ObjSectionDiff {
fn merge(&mut self, other: ObjSectionDiff) {
// symbols ignored
self.data_diff = other.data_diff;
self.match_percent = other.match_percent;
}
}
#[derive(Debug, Clone, Default)]
pub struct ObjSymbolDiff {
pub diff_symbol: Option<SymbolRef>,
pub instructions: Vec<ObjInsDiff>,
pub match_percent: Option<f32>,
}
#[derive(Debug, Clone, Default)]
pub struct ObjInsDiff {
pub ins: Option<ObjIns>,
/// Diff kind
pub kind: ObjInsDiffKind,
/// Branches from instruction
pub branch_from: Option<ObjInsBranchFrom>,
/// Branches to instruction
pub branch_to: Option<ObjInsBranchTo>,
/// Arg diffs
pub arg_diff: Vec<Option<ObjInsArgDiff>>,
}
#[derive(Debug, Copy, Clone, Eq, PartialEq, Default)]
pub enum ObjInsDiffKind {
#[default]
None,
OpMismatch,
ArgMismatch,
Replace,
Delete,
Insert,
}
#[derive(Debug, Clone, Default)]
pub struct ObjDataDiff {
pub data: Vec<u8>,
pub kind: ObjDataDiffKind,
pub len: usize,
pub symbol: String,
}
#[derive(Debug, Copy, Clone, Eq, PartialEq, Default)]
pub enum ObjDataDiffKind {
#[default]
None,
Replace,
Delete,
Insert,
}
#[derive(Debug, Copy, Clone)]
pub struct ObjInsArgDiff {
/// Incrementing index for coloring
pub idx: usize,
}
#[derive(Debug, Clone)]
pub struct ObjInsBranchFrom {
/// Source instruction indices
pub ins_idx: Vec<usize>,
/// Incrementing index for coloring
pub branch_idx: usize,
}
#[derive(Debug, Clone)]
pub struct ObjInsBranchTo {
/// Target instruction index
pub ins_idx: usize,
/// Incrementing index for coloring
pub branch_idx: usize,
}
#[derive(Default)]
pub struct ObjDiff {
pub sections: Vec<ObjSectionDiff>,
pub common: Vec<ObjSymbolDiff>,
}
impl ObjDiff {
pub fn new_from_obj(obj: &ObjInfo) -> Self {
let mut result = Self {
sections: Vec::with_capacity(obj.sections.len()),
common: Vec::with_capacity(obj.common.len()),
};
for section in &obj.sections {
let mut symbols = Vec::with_capacity(section.symbols.len());
for _ in &section.symbols {
symbols.push(ObjSymbolDiff {
diff_symbol: None,
instructions: vec![],
match_percent: None,
});
}
result.sections.push(ObjSectionDiff {
symbols,
data_diff: vec![ObjDataDiff {
data: section.data.clone(),
kind: ObjDataDiffKind::None,
len: section.data.len(),
symbol: section.name.clone(),
}],
match_percent: None,
});
}
for _ in &obj.common {
result.common.push(ObjSymbolDiff {
diff_symbol: None,
instructions: vec![],
match_percent: None,
});
}
result
}
#[inline]
pub fn section_diff(&self, section_idx: usize) -> &ObjSectionDiff {
&self.sections[section_idx]
}
#[inline]
pub fn section_diff_mut(&mut self, section_idx: usize) -> &mut ObjSectionDiff {
&mut self.sections[section_idx]
}
#[inline]
pub fn symbol_diff(&self, symbol_ref: SymbolRef) -> &ObjSymbolDiff {
&self.section_diff(symbol_ref.section_idx).symbols[symbol_ref.symbol_idx]
}
#[inline]
pub fn symbol_diff_mut(&mut self, symbol_ref: SymbolRef) -> &mut ObjSymbolDiff {
&mut self.section_diff_mut(symbol_ref.section_idx).symbols[symbol_ref.symbol_idx]
}
}
#[derive(Default)]
pub struct DiffObjsResult {
pub left: Option<ObjDiff>,
pub right: Option<ObjDiff>,
pub prev: Option<ObjDiff>,
}
pub fn diff_objs(
config: &DiffObjConfig,
mut left: Option<&mut ObjInfo>,
mut right: Option<&mut ObjInfo>,
) -> Result<()> {
if let Some(left) = left.as_mut() {
for left_section in &mut left.sections {
if left_section.kind == ObjSectionKind::Code {
for left_symbol in &mut left_section.symbols {
if let Some((right, (right_section_idx, right_symbol_idx))) =
right.as_mut().and_then(|obj| {
find_section_and_symbol(obj, &left_symbol.name).map(|s| (obj, s))
})
{
let right_section = &mut right.sections[right_section_idx];
let right_symbol = &mut right_section.symbols[right_symbol_idx];
left_symbol.diff_symbol = Some(right_symbol.name.clone());
right_symbol.diff_symbol = Some(left_symbol.name.clone());
diff_code(
left.arch.as_ref(),
left: Option<&ObjInfo>,
right: Option<&ObjInfo>,
prev: Option<&ObjInfo>,
) -> Result<DiffObjsResult> {
let symbol_matches = matching_symbols(left, right, prev)?;
let section_matches = matching_sections(left, right)?;
let mut left = left.map(|p| (p, ObjDiff::new_from_obj(p)));
let mut right = right.map(|p| (p, ObjDiff::new_from_obj(p)));
let mut prev = prev.map(|p| (p, ObjDiff::new_from_obj(p)));
for symbol_match in symbol_matches {
match symbol_match {
SymbolMatch {
left: Some(left_symbol_ref),
right: Some(right_symbol_ref),
prev: prev_symbol_ref,
section_kind,
} => {
let (left_obj, left_out) = left.as_mut().unwrap();
let (right_obj, right_out) = right.as_mut().unwrap();
match section_kind {
ObjSectionKind::Code => {
let (left_diff, right_diff) = diff_code(
left_obj,
right_obj,
left_symbol_ref,
right_symbol_ref,
config,
&left_section.data,
&right_section.data,
left_symbol,
right_symbol,
&left_section.relocations,
&right_section.relocations,
&left.line_info,
&right.line_info,
)?;
} else {
no_diff_code(
left.arch.as_ref(),
config,
&left_section.data,
left_symbol,
&left_section.relocations,
&left.line_info,
*left_out.symbol_diff_mut(left_symbol_ref) = left_diff;
*right_out.symbol_diff_mut(right_symbol_ref) = right_diff;
if let Some(prev_symbol_ref) = prev_symbol_ref {
let (prev_obj, prev_out) = prev.as_mut().unwrap();
let (_, prev_diff) = diff_code(
right_obj,
prev_obj,
right_symbol_ref,
prev_symbol_ref,
config,
)?;
*prev_out.symbol_diff_mut(prev_symbol_ref) = prev_diff;
}
}
ObjSectionKind::Data => {
// TODO diff data symbol
}
ObjSectionKind::Bss => {
let (left_diff, right_diff) = diff_bss_symbol(
left_obj,
right_obj,
left_symbol_ref,
right_symbol_ref,
)?;
*left_out.symbol_diff_mut(left_symbol_ref) = left_diff;
*right_out.symbol_diff_mut(right_symbol_ref) = right_diff;
}
}
} else if let Some(right_section) = right
.as_mut()
.and_then(|obj| obj.sections.iter_mut().find(|s| s.name == left_section.name))
{
if left_section.kind == ObjSectionKind::Data {
diff_data(left_section, right_section)?;
} else if left_section.kind == ObjSectionKind::Bss {
diff_bss_symbols(&mut left_section.symbols, &mut right_section.symbols)?;
}
SymbolMatch { left: Some(left_symbol_ref), right: None, prev: _, section_kind } => {
let (left_obj, left_out) = left.as_mut().unwrap();
match section_kind {
ObjSectionKind::Code => {
*left_out.symbol_diff_mut(left_symbol_ref) =
no_diff_code(left_obj, left_symbol_ref, config)?;
}
ObjSectionKind::Data => {}
ObjSectionKind::Bss => {
*left_out.symbol_diff_mut(left_symbol_ref) =
no_diff_bss_symbol(left_obj, left_symbol_ref);
}
}
} else if left_section.kind == ObjSectionKind::Data {
no_diff_data(left_section);
}
SymbolMatch { left: None, right: Some(right_symbol_ref), prev: _, section_kind } => {
let (right_obj, right_out) = right.as_mut().unwrap();
match section_kind {
ObjSectionKind::Code => {
*right_out.symbol_diff_mut(right_symbol_ref) =
no_diff_code(right_obj, right_symbol_ref, config)?;
}
ObjSectionKind::Data => {}
ObjSectionKind::Bss => {
*right_out.symbol_diff_mut(right_symbol_ref) =
no_diff_bss_symbol(right_obj, right_symbol_ref);
}
}
}
SymbolMatch { left: None, right: None, .. } => {
// Should not happen
}
}
}
if let Some(right) = right.as_mut() {
for right_section in right.sections.iter_mut() {
if right_section.kind == ObjSectionKind::Code {
for right_symbol in &mut right_section.symbols {
if right_symbol.instructions.is_empty() {
no_diff_code(
right.arch.as_ref(),
config,
&right_section.data,
right_symbol,
&right_section.relocations,
&right.line_info,
)?;
}
for section_match in section_matches {
if let SectionMatch {
left: Some(left_section_idx),
right: Some(right_section_idx),
section_kind,
} = section_match
{
let (left_obj, left_out) = left.as_mut().unwrap();
let (right_obj, right_out) = right.as_mut().unwrap();
let left_section = &left_obj.sections[left_section_idx];
let right_section = &right_obj.sections[right_section_idx];
match section_kind {
ObjSectionKind::Code => {
// TODO?
}
ObjSectionKind::Data => {
let (left_diff, right_diff) = diff_data(left_section, right_section)?;
left_out.section_diff_mut(left_section_idx).merge(left_diff);
right_out.section_diff_mut(right_section_idx).merge(right_diff);
}
ObjSectionKind::Bss => {
// TODO
}
} else if right_section.kind == ObjSectionKind::Data
&& right_section.data_diff.is_empty()
{
no_diff_data(right_section);
}
}
}
if let (Some(left), Some(right)) = (left, right) {
diff_bss_symbols(&mut left.common, &mut right.common)?;
}
Ok(())
Ok(DiffObjsResult {
left: left.map(|(_, o)| o),
right: right.map(|(_, o)| o),
prev: prev.map(|(_, o)| o),
})
}
#[derive(Debug, Copy, Clone, PartialEq, Eq, PartialOrd, Ord)]
pub struct SymbolRef {
pub section_idx: usize,
pub symbol_idx: usize,
}
#[inline]
pub fn get_symbol(obj: &ObjInfo, ref_: SymbolRef) -> (&ObjSection, &ObjSymbol) {
let section = &obj.sections[ref_.section_idx];
let symbol = &section.symbols[ref_.symbol_idx];
(section, symbol)
}
#[derive(Copy, Clone, Eq, PartialEq)]
struct SymbolMatch {
left: Option<SymbolRef>,
right: Option<SymbolRef>,
prev: Option<SymbolRef>,
section_kind: ObjSectionKind,
}
#[derive(Copy, Clone, Eq, PartialEq)]
struct SectionMatch {
left: Option<usize>,
right: Option<usize>,
section_kind: ObjSectionKind,
}
/// Find matching symbols between each object.
fn matching_symbols(
left: Option<&ObjInfo>,
right: Option<&ObjInfo>,
prev: Option<&ObjInfo>,
) -> Result<Vec<SymbolMatch>> {
let mut matches = Vec::new();
let mut right_used = Vec::new();
if let Some(left) = left {
for (section_idx, section) in left.sections.iter().enumerate() {
for (symbol_idx, symbol) in section.symbols.iter().enumerate() {
let symbol_match = SymbolMatch {
left: Some(SymbolRef { section_idx, symbol_idx }),
right: find_symbol(right, &symbol.name, section.kind),
prev: find_symbol(prev, &symbol.name, section.kind),
section_kind: section.kind,
};
matches.push(symbol_match);
if let Some(right) = symbol_match.right {
right_used.push(right);
}
}
}
}
if let Some(right) = right {
for (section_idx, section) in right.sections.iter().enumerate() {
for (symbol_idx, symbol) in section.symbols.iter().enumerate() {
let symbol_ref = SymbolRef { section_idx, symbol_idx };
if right_used.binary_search(&symbol_ref).is_ok() {
continue;
}
matches.push(SymbolMatch {
left: None,
right: Some(symbol_ref),
prev: find_symbol(prev, &symbol.name, section.kind),
section_kind: section.kind,
});
}
}
}
Ok(matches)
}
fn find_symbol(
obj: Option<&ObjInfo>,
name: &str,
section_kind: ObjSectionKind,
) -> Option<SymbolRef> {
for (section_idx, section) in obj?.sections.iter().enumerate() {
if section.kind != section_kind {
continue;
}
let symbol_idx = match section.symbols.iter().position(|symbol| symbol.name == name) {
Some(symbol_idx) => symbol_idx,
None => continue,
};
return Some(SymbolRef { section_idx, symbol_idx });
}
None
}
/// Find matching sections between each object.
fn matching_sections(left: Option<&ObjInfo>, right: Option<&ObjInfo>) -> Result<Vec<SectionMatch>> {
let mut matches = Vec::new();
if let Some(left) = left {
for (section_idx, section) in left.sections.iter().enumerate() {
matches.push(SectionMatch {
left: Some(section_idx),
right: find_section(right, &section.name, section.kind),
section_kind: section.kind,
});
}
}
if let Some(right) = right {
for (section_idx, section) in right.sections.iter().enumerate() {
if matches.iter().any(|m| m.right == Some(section_idx)) {
continue;
}
matches.push(SectionMatch {
left: None,
right: Some(section_idx),
section_kind: section.kind,
});
}
}
Ok(matches)
}
fn find_section(obj: Option<&ObjInfo>, name: &str, section_kind: ObjSectionKind) -> Option<usize> {
for (section_idx, section) in obj?.sections.iter().enumerate() {
if section.kind != section_kind {
continue;
}
if section.name == name {
return Some(section_idx);
}
}
None
}

72
objdiff-core/src/obj/mod.rs
View File

@ -39,10 +39,6 @@ pub struct ObjSection {
pub symbols: Vec<ObjSymbol>,
pub relocations: Vec<ObjReloc>,
pub virtual_address: Option<u64>,
// Diff
pub data_diff: Vec<ObjDataDiff>,
pub match_percent: f32,
}
#[derive(Debug, Clone, Eq, PartialEq)]
@ -94,39 +90,6 @@ impl ObjInsArg {
}
}
#[derive(Debug, Copy, Clone)]
pub struct ObjInsArgDiff {
/// Incrementing index for coloring
pub idx: usize,
}
#[derive(Debug, Clone)]
pub struct ObjInsBranchFrom {
/// Source instruction indices
pub ins_idx: Vec<usize>,
/// Incrementing index for coloring
pub branch_idx: usize,
}
#[derive(Debug, Clone)]
pub struct ObjInsBranchTo {
/// Target instruction index
pub ins_idx: usize,
/// Incrementing index for coloring
pub branch_idx: usize,
}
#[derive(Debug, Copy, Clone, Eq, PartialEq, Default)]
pub enum ObjInsDiffKind {
#[default]
None,
OpMismatch,
ArgMismatch,
Replace,
Delete,
Insert,
}
#[derive(Debug, Clone)]
pub struct ObjIns {
pub address: u64,
@ -142,36 +105,6 @@ pub struct ObjIns {
pub orig: Option<String>,
}
#[derive(Debug, Clone, Default)]
pub struct ObjInsDiff {
pub ins: Option<ObjIns>,
/// Diff kind
pub kind: ObjInsDiffKind,
/// Branches from instruction
pub branch_from: Option<ObjInsBranchFrom>,
/// Branches to instruction
pub branch_to: Option<ObjInsBranchTo>,
/// Arg diffs
pub arg_diff: Vec<Option<ObjInsArgDiff>>,
}
#[derive(Debug, Copy, Clone, Eq, PartialEq, Default)]
pub enum ObjDataDiffKind {
#[default]
None,
Replace,
Delete,
Insert,
}
#[derive(Debug, Clone, Default)]
pub struct ObjDataDiff {
pub data: Vec<u8>,
pub kind: ObjDataDiffKind,
pub len: usize,
pub symbol: String,
}
#[derive(Debug, Clone)]
pub struct ObjSymbol {
pub name: String,
@ -184,11 +117,6 @@ pub struct ObjSymbol {
pub addend: i64,
/// Original virtual address (from .note.split section)
pub virtual_address: Option<u64>,
// Diff
pub diff_symbol: Option<String>,
pub instructions: Vec<ObjInsDiff>,
pub match_percent: Option<f32>,
}
pub struct ObjInfo {

8
objdiff-core/src/obj/read.rs
View File

@ -76,9 +76,6 @@ fn to_obj_symbol(
flags,
addend,
virtual_address,
diff_symbol: None,
instructions: vec![],
match_percent: None,
})
}
@ -114,8 +111,6 @@ fn filter_sections(obj_file: &File<'_>, split_meta: Option<&SplitMeta>) -> Resul
symbols: Vec::new(),
relocations: Vec::new(),
virtual_address,
data_diff: vec![],
match_percent: 0.0,
});
}
result.sort_by(|a, b| a.name.cmp(&b.name));
@ -214,9 +209,6 @@ fn find_section_symbol(
flags: Default::default(),
addend: offset_addr as i64,
virtual_address: None,
diff_symbol: None,
instructions: vec![],
match_percent: None,
})
}

4
objdiff-gui/src/app.rs
View File

@ -364,12 +364,12 @@ impl App {
}
if let Some(result) = &diff_state.build {
if let Some(obj) = &result.first_obj {
if let Some((obj, _)) = &result.first_obj {
if file_modified(&obj.path, obj.timestamp) {
config.queue_reload = true;
}
}
if let Some(obj) = &result.second_obj {
if let Some((obj, _)) = &result.second_obj {
if file_modified(&obj.path, obj.timestamp) {
config.queue_reload = true;
}

20
objdiff-gui/src/jobs/objdiff.rs
View File

@ -7,7 +7,7 @@ use std::{
use anyhow::{anyhow, Context, Error, Result};
use objdiff_core::{
diff::{diff_objs, DiffObjConfig},
diff::{diff_objs, DiffObjConfig, ObjDiff},
obj::{read, ObjInfo},
};
use time::OffsetDateTime;
@ -75,8 +75,8 @@ impl ObjDiffConfig {
pub struct ObjDiffResult {
pub first_status: BuildStatus,
pub second_status: BuildStatus,
pub first_obj: Option<ObjInfo>,
pub second_obj: Option<ObjInfo>,
pub first_obj: Option<(ObjInfo, ObjDiff)>,
pub second_obj: Option<(ObjInfo, ObjDiff)>,
pub time: OffsetDateTime,
}
@ -214,7 +214,7 @@ fn run_build(
let time = OffsetDateTime::now_utc();
let mut first_obj =
let first_obj =
match &obj_config.target_path {
Some(target_path) if first_status.success => {
update_status(
@ -231,7 +231,7 @@ fn run_build(
_ => None,
};
let mut second_obj = match &obj_config.base_path {
let second_obj = match &obj_config.base_path {
Some(base_path) if second_status.success => {
update_status(
context,
@ -249,10 +249,16 @@ fn run_build(
};
update_status(context, "Performing diff".to_string(), 4, total, &cancel)?;
diff_objs(&config.diff_obj_config, first_obj.as_mut(), second_obj.as_mut())?;
let result = diff_objs(&config.diff_obj_config, first_obj.as_ref(), second_obj.as_ref(), None)?;
update_status(context, "Complete".to_string(), total, total, &cancel)?;
Ok(Box::new(ObjDiffResult { first_status, second_status, first_obj, second_obj, time }))
Ok(Box::new(ObjDiffResult {
first_status,
second_status,
first_obj: first_obj.and_then(|o| result.left.map(|d| (o, d))),
second_obj: second_obj.and_then(|o| result.right.map(|d| (o, d))),
time,
}))
}
pub fn start_build(ctx: &egui::Context, config: ObjDiffConfig) -> JobState {

30
objdiff-gui/src/views/data_diff.rs
View File

@ -2,19 +2,22 @@ use std::{cmp::min, default::Default, mem::take};
use egui::{text::LayoutJob, Align, Label, Layout, Sense, Vec2, Widget};
use egui_extras::{Column, TableBuilder};
use objdiff_core::obj::{ObjDataDiff, ObjDataDiffKind, ObjInfo, ObjSection};
use objdiff_core::{
diff::{ObjDataDiff, ObjDataDiffKind, ObjDiff},
obj::ObjInfo,
};
use time::format_description;
use crate::views::{
appearance::Appearance,
symbol_diff::{DiffViewState, SymbolReference, View},
symbol_diff::{DiffViewState, SymbolRefByName, View},
write_text,
};
const BYTES_PER_ROW: usize = 16;
fn find_section<'a>(obj: &'a ObjInfo, selected_symbol: &SymbolReference) -> Option<&'a ObjSection> {
obj.sections.iter().find(|section| section.name == selected_symbol.section_name)
fn find_section(obj: &ObjInfo, selected_symbol: &SymbolRefByName) -> Option<usize> {
obj.sections.iter().position(|section| section.name == selected_symbol.section_name)
}
fn data_row_ui(ui: &mut egui::Ui, address: usize, diffs: &[ObjDataDiff], appearance: &Appearance) {
@ -130,16 +133,21 @@ fn split_diffs(diffs: &[ObjDataDiff]) -> Vec<Vec<ObjDataDiff>> {
fn data_table_ui(
table: TableBuilder<'_>,
left_obj: Option<&ObjInfo>,
right_obj: Option<&ObjInfo>,
selected_symbol: &SymbolReference,
left_obj: Option<&(ObjInfo, ObjDiff)>,
right_obj: Option<&(ObjInfo, ObjDiff)>,
selected_symbol: &SymbolRefByName,
config: &Appearance,
) -> Option<()> {
let left_section = left_obj.and_then(|obj| find_section(obj, selected_symbol));
let right_section = right_obj.and_then(|obj| find_section(obj, selected_symbol));
let left_section = left_obj.and_then(|(obj, diff)| {
find_section(obj, selected_symbol).map(|i| (&obj.sections[i], &diff.sections[i]))
});
let right_section = right_obj.and_then(|(obj, diff)| {
find_section(obj, selected_symbol).map(|i| (&obj.sections[i], &diff.sections[i]))
});
let total_bytes = left_section
.or(right_section)?
.1
.data_diff
.iter()
.fold(0usize, |accum, item| accum + item.len);
@ -148,8 +156,8 @@ fn data_table_ui(
}
let total_rows = (total_bytes - 1) / BYTES_PER_ROW + 1;
let left_diffs = left_section.map(|section| split_diffs(&section.data_diff));
let right_diffs = right_section.map(|section| split_diffs(&section.data_diff));
let left_diffs = left_section.map(|(_, section)| split_diffs(&section.data_diff));
let right_diffs = right_section.map(|(_, section)| split_diffs(&section.data_diff));
table.body(|body| {
body.rows(config.code_font.size, total_rows, |mut row| {

106
objdiff-gui/src/views/function_diff.rs
View File

@ -4,17 +4,17 @@ use egui::{text::LayoutJob, Align, Label, Layout, Sense, Vec2, Widget};
use egui_extras::{Column, TableBuilder, TableRow};
use objdiff_core::{
arch::ObjArch,
diff::display::{display_diff, DiffText, HighlightKind},
obj::{
ObjInfo, ObjIns, ObjInsArg, ObjInsArgValue, ObjInsDiff, ObjInsDiffKind, ObjSection,
ObjSymbol,
diff::{
display::{display_diff, DiffText, HighlightKind},
get_symbol, ObjDiff, ObjInsDiff, ObjInsDiffKind, SymbolRef,
},
obj::{ObjInfo, ObjIns, ObjInsArg, ObjInsArgValue, ObjSection, ObjSymbol},
};
use time::format_description;
use crate::views::{
appearance::Appearance,
symbol_diff::{match_color_for_symbol, DiffViewState, SymbolReference, View},
symbol_diff::{match_color_for_symbol, DiffViewState, SymbolRefByName, View},
};
#[derive(Default)]
@ -126,19 +126,15 @@ fn ins_context_menu(ui: &mut egui::Ui, ins: &ObjIns) {
});
}
fn find_symbol<'a>(
obj: &'a ObjInfo,
selected_symbol: &SymbolReference,
) -> Option<(&'a dyn ObjArch, &'a ObjSection, &'a ObjSymbol)> {
obj.sections.iter().find_map(|section| {
section.symbols.iter().find_map(|symbol| {
(symbol.name == selected_symbol.symbol_name).then_some((
obj.arch.as_ref(),
section,
symbol,
))
})
})
fn find_symbol(obj: &ObjInfo, selected_symbol: &SymbolRefByName) -> Option<SymbolRef> {
for (section_idx, section) in obj.sections.iter().enumerate() {
for (symbol_idx, symbol) in section.symbols.iter().enumerate() {
if symbol.name == selected_symbol.symbol_name {
return Some(SymbolRef { section_idx, symbol_idx });
}
}
}
None
}
fn diff_text_ui(
@ -248,18 +244,21 @@ fn asm_row_ui(
fn asm_col_ui(
row: &mut TableRow<'_, '_>,
ins_diff: &ObjInsDiff,
arch: &dyn ObjArch,
section: &ObjSection,
symbol: &ObjSymbol,
obj: &(ObjInfo, ObjDiff),
symbol_ref: SymbolRef,
appearance: &Appearance,
ins_view_state: &mut FunctionViewState,
) {
let (section, symbol) = get_symbol(&obj.0, symbol_ref);
let ins_diff = &obj.1.sections[symbol_ref.section_idx].symbols[symbol_ref.symbol_idx]
.instructions[row.index()];
let (_, response) = row.col(|ui| {
asm_row_ui(ui, ins_diff, symbol, appearance, ins_view_state);
});
if let Some(ins) = &ins_diff.ins {
response.on_hover_ui_at_pointer(|ui| ins_hover_ui(ui, arch, section, ins, appearance));
response.on_hover_ui_at_pointer(|ui| {
ins_hover_ui(ui, obj.0.arch.as_ref(), section, ins, appearance)
});
}
}
@ -271,41 +270,40 @@ fn empty_col_ui(row: &mut TableRow<'_, '_>) {
fn asm_table_ui(
table: TableBuilder<'_>,
left_obj: Option<&ObjInfo>,
right_obj: Option<&ObjInfo>,
selected_symbol: &SymbolReference,
left_obj: Option<&(ObjInfo, ObjDiff)>,
right_obj: Option<&(ObjInfo, ObjDiff)>,
selected_symbol: &SymbolRefByName,
appearance: &Appearance,
ins_view_state: &mut FunctionViewState,
) -> Option<()> {
let left_symbol = left_obj.and_then(|obj| find_symbol(obj, selected_symbol));
let right_symbol = right_obj.and_then(|obj| find_symbol(obj, selected_symbol));
let instructions_len = left_symbol.or(right_symbol).map(|(_, _, s)| s.instructions.len())?;
let left_symbol = left_obj.and_then(|(obj, _)| find_symbol(obj, selected_symbol));
let right_symbol = right_obj.and_then(|(obj, _)| find_symbol(obj, selected_symbol));
let instructions_len = match (left_symbol, right_symbol) {
(Some(left_symbol_ref), Some(_)) => left_obj.unwrap().1.sections
[left_symbol_ref.section_idx]
.symbols[left_symbol_ref.symbol_idx]
.instructions
.len(),
(Some(left_symbol_ref), None) => left_obj.unwrap().1.sections[left_symbol_ref.section_idx]
.symbols[left_symbol_ref.symbol_idx]
.instructions
.len(),
(None, Some(right_symbol_ref)) => right_obj.unwrap().1.sections
[right_symbol_ref.section_idx]
.symbols[right_symbol_ref.symbol_idx]
.instructions
.len(),
(None, None) => return None,
};
table.body(|body| {
body.rows(appearance.code_font.size, instructions_len, |mut row| {
let row_index = row.index();
if let Some((arch, section, symbol)) = left_symbol {
asm_col_ui(
&mut row,
&symbol.instructions[row_index],
arch,
section,
symbol,
appearance,
ins_view_state,
);
if let (Some(left_obj), Some(left_symbol_ref)) = (left_obj, left_symbol) {
asm_col_ui(&mut row, left_obj, left_symbol_ref, appearance, ins_view_state);
} else {
empty_col_ui(&mut row);
}
if let Some((arch, section, symbol)) = right_symbol {
asm_col_ui(
&mut row,
&symbol.instructions[row_index],
arch,
section,
symbol,
appearance,
ins_view_state,
);
if let (Some(right_obj), Some(right_symbol_ref)) = (right_obj, right_symbol) {
asm_col_ui(&mut row, right_obj, right_symbol_ref, appearance, ins_view_state);
} else {
empty_col_ui(&mut row);
}
@ -412,8 +410,12 @@ pub fn function_diff_ui(ui: &mut egui::Ui, state: &mut DiffViewState, appearance
if let Some(match_percent) = result
.second_obj
.as_ref()
.and_then(|obj| find_symbol(obj, selected_symbol))
.and_then(|(_, _, symbol)| symbol.match_percent)
.and_then(|(obj, diff)| {
find_symbol(obj, selected_symbol).map(|sref| {
&diff.sections[sref.section_idx].symbols[sref.symbol_idx]
})
})
.and_then(|symbol| symbol.match_percent)
{
ui.colored_label(
match_color_for_symbol(match_percent, appearance),

54
objdiff-gui/src/views/symbol_diff.rs
View File

@ -5,7 +5,10 @@ use egui::{
SelectableLabel, TextEdit, Ui, Vec2, Widget,
};
use egui_extras::{Size, StripBuilder};
use objdiff_core::obj::{ObjInfo, ObjSection, ObjSectionKind, ObjSymbol, ObjSymbolFlags};
use objdiff_core::{
diff::{ObjDiff, ObjSymbolDiff},
obj::{ObjInfo, ObjSection, ObjSectionKind, ObjSymbol, ObjSymbolFlags},
};
use crate::{
app::AppConfigRef,
@ -17,7 +20,7 @@ use crate::{
views::{appearance::Appearance, function_diff::FunctionViewState, write_text},
};
pub struct SymbolReference {
pub struct SymbolRefByName {
pub symbol_name: String,
pub demangled_symbol_name: Option<String>,
pub section_name: String,
@ -50,7 +53,7 @@ pub struct DiffViewState {
#[derive(Default)]
pub struct SymbolViewState {
pub highlighted_symbol: Option<String>,
pub selected_symbol: Option<SymbolReference>,
pub selected_symbol: Option<SymbolRefByName>,
pub reverse_fn_order: bool,
pub disable_reverse_fn_order: bool,
pub show_hidden_symbols: bool,
@ -180,6 +183,7 @@ fn symbol_hover_ui(ui: &mut Ui, symbol: &ObjSymbol, appearance: &Appearance) {
fn symbol_ui(
ui: &mut Ui,
symbol: &ObjSymbol,
symbol_diff: &ObjSymbolDiff,
section: Option<&ObjSection>,
state: &mut SymbolViewState,
appearance: &Appearance,
@ -210,7 +214,7 @@ fn symbol_ui(
write_text("h", appearance.deemphasized_text_color, &mut job, appearance.code_font.clone());
}
write_text("] ", appearance.text_color, &mut job, appearance.code_font.clone());
if let Some(match_percent) = symbol.match_percent {
if let Some(match_percent) = symbol_diff.match_percent {
write_text("(", appearance.text_color, &mut job, appearance.code_font.clone());
write_text(
&format!("{match_percent:.0}%"),
@ -228,14 +232,14 @@ fn symbol_ui(
if response.clicked() {
if let Some(section) = section {
if section.kind == ObjSectionKind::Code {
state.selected_symbol = Some(SymbolReference {
state.selected_symbol = Some(SymbolRefByName {
symbol_name: symbol.name.clone(),
demangled_symbol_name: symbol.demangled_name.clone(),
section_name: section.name.clone(),
});
ret = Some(View::FunctionDiff);
} else if section.kind == ObjSectionKind::Data {
state.selected_symbol = Some(SymbolReference {
state.selected_symbol = Some(SymbolRefByName {
symbol_name: section.name.clone(),
demangled_symbol_name: None,
section_name: section.name.clone(),
@ -262,7 +266,7 @@ fn symbol_matches_search(symbol: &ObjSymbol, search_str: &str) -> bool {
#[must_use]
fn symbol_list_ui(
ui: &mut Ui,
obj: &ObjInfo,
obj: &(ObjInfo, ObjDiff),
state: &mut SymbolViewState,
lower_search: &str,
appearance: &Appearance,
@ -273,34 +277,50 @@ fn symbol_list_ui(
ui.style_mut().override_text_style = Some(egui::TextStyle::Monospace);
ui.style_mut().wrap = Some(false);
if !obj.common.is_empty() {
if !obj.0.common.is_empty() {
CollapsingHeader::new(".comm").default_open(true).show(ui, |ui| {
for symbol in &obj.common {
ret = ret.or(symbol_ui(ui, symbol, None, state, appearance));
for (symbol, symbol_diff) in obj.0.common.iter().zip(&obj.1.common) {
ret = ret.or(symbol_ui(ui, symbol, symbol_diff, None, state, appearance));
}
});
}
for section in &obj.sections {
for (section, section_diff) in obj.0.sections.iter().zip(&obj.1.sections) {
CollapsingHeader::new(format!("{} ({:x})", section.name, section.size))
.id_source(Id::new(section.name.clone()).with(section.index))
.default_open(true)
.show(ui, |ui| {
if section.kind == ObjSectionKind::Code && state.reverse_fn_order {
for symbol in section.symbols.iter().rev() {
for (symbol, symbol_diff) in
section.symbols.iter().zip(&section_diff.symbols).rev()
{
if !symbol_matches_search(symbol, lower_search) {
continue;
}
ret =
ret.or(symbol_ui(ui, symbol, Some(section), state, appearance));
ret = ret.or(symbol_ui(
ui,
symbol,
symbol_diff,
Some(section),
state,
appearance,
));
}
} else {
for symbol in &section.symbols {
for (symbol, symbol_diff) in
section.symbols.iter().zip(&section_diff.symbols)
{
if !symbol_matches_search(symbol, lower_search) {
continue;
}
ret =
ret.or(symbol_ui(ui, symbol, Some(section), state, appearance));
ret = ret.or(symbol_ui(
ui,
symbol,
symbol_diff,
Some(section),
state,
appearance,
));
}
}
});