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authorValentin Popov <valentin@popov.link>2024-07-19 15:37:58 +0300
committerValentin Popov <valentin@popov.link>2024-07-19 15:37:58 +0300
commita990de90fe41456a23e58bd087d2f107d321f3a1 (patch)
tree15afc392522a9e85dc3332235e311b7d39352ea9 /vendor/addr2line/tests/correctness.rs
parent3d48cd3f81164bbfc1a755dc1d4a9a02f98c8ddd (diff)
downloadfparkan-a990de90fe41456a23e58bd087d2f107d321f3a1.tar.xz
fparkan-a990de90fe41456a23e58bd087d2f107d321f3a1.zip
Deleted vendor folder
Diffstat (limited to 'vendor/addr2line/tests/correctness.rs')
-rw-r--r--vendor/addr2line/tests/correctness.rs126
1 files changed, 0 insertions, 126 deletions
diff --git a/vendor/addr2line/tests/correctness.rs b/vendor/addr2line/tests/correctness.rs
deleted file mode 100644
index 73ee462..0000000
--- a/vendor/addr2line/tests/correctness.rs
+++ /dev/null
@@ -1,126 +0,0 @@
-use addr2line::Context;
-use fallible_iterator::FallibleIterator;
-use findshlibs::{IterationControl, SharedLibrary, TargetSharedLibrary};
-use object::Object;
-use std::borrow::Cow;
-use std::fs::File;
-use std::sync::Arc;
-
-fn find_debuginfo() -> memmap2::Mmap {
- let path = std::env::current_exe().unwrap();
- let file = File::open(&path).unwrap();
- let map = unsafe { memmap2::Mmap::map(&file).unwrap() };
- let file = &object::File::parse(&*map).unwrap();
- if let Ok(uuid) = file.mach_uuid() {
- for candidate in path.parent().unwrap().read_dir().unwrap() {
- let path = candidate.unwrap().path();
- if !path.to_str().unwrap().ends_with(".dSYM") {
- continue;
- }
- for candidate in path.join("Contents/Resources/DWARF").read_dir().unwrap() {
- let path = candidate.unwrap().path();
- let file = File::open(&path).unwrap();
- let map = unsafe { memmap2::Mmap::map(&file).unwrap() };
- let file = &object::File::parse(&*map).unwrap();
- if file.mach_uuid().unwrap() == uuid {
- return map;
- }
- }
- }
- }
-
- return map;
-}
-
-#[test]
-fn correctness() {
- let map = find_debuginfo();
- let file = &object::File::parse(&*map).unwrap();
- let module_base = file.relative_address_base();
-
- let endian = if file.is_little_endian() {
- gimli::RunTimeEndian::Little
- } else {
- gimli::RunTimeEndian::Big
- };
-
- fn load_section<'data: 'file, 'file, O, Endian>(
- id: gimli::SectionId,
- file: &'file O,
- endian: Endian,
- ) -> Result<gimli::EndianArcSlice<Endian>, gimli::Error>
- where
- O: object::Object<'data, 'file>,
- Endian: gimli::Endianity,
- {
- use object::ObjectSection;
-
- let data = file
- .section_by_name(id.name())
- .and_then(|section| section.uncompressed_data().ok())
- .unwrap_or(Cow::Borrowed(&[]));
- Ok(gimli::EndianArcSlice::new(Arc::from(&*data), endian))
- }
-
- let dwarf = gimli::Dwarf::load(|id| load_section(id, file, endian)).unwrap();
- let ctx = Context::from_dwarf(dwarf).unwrap();
- let mut split_dwarf_loader = addr2line::builtin_split_dwarf_loader::SplitDwarfLoader::new(
- |data, endian| gimli::EndianArcSlice::new(Arc::from(&*data), endian),
- None,
- );
-
- let mut bias = None;
- TargetSharedLibrary::each(|lib| {
- bias = Some((lib.virtual_memory_bias().0 as u64).wrapping_sub(module_base));
- IterationControl::Break
- });
-
- #[allow(unused_mut)]
- let mut test = |sym: u64, expected_prefix: &str| {
- let ip = sym.wrapping_sub(bias.unwrap());
-
- let frames = ctx.find_frames(ip);
- let frames = split_dwarf_loader.run(frames).unwrap();
- let frame = frames.last().unwrap().unwrap();
- let name = frame.function.as_ref().unwrap().demangle().unwrap();
- // Old rust versions generate DWARF with wrong linkage name,
- // so only check the start.
- if !name.starts_with(expected_prefix) {
- panic!("incorrect name '{}', expected {:?}", name, expected_prefix);
- }
- };
-
- test(test_function as u64, "correctness::test_function");
- test(
- small::test_function as u64,
- "correctness::small::test_function",
- );
- test(auxiliary::foo as u64, "auxiliary::foo");
-}
-
-mod small {
- pub fn test_function() {
- println!("y");
- }
-}
-
-fn test_function() {
- println!("x");
-}
-
-#[test]
-fn zero_function() {
- let map = find_debuginfo();
- let file = &object::File::parse(&*map).unwrap();
- let ctx = Context::new(file).unwrap();
- for probe in 0..10 {
- assert!(
- ctx.find_frames(probe)
- .skip_all_loads()
- .unwrap()
- .count()
- .unwrap()
- < 10
- );
- }
-}