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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-17 12:19:41 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-17 12:19:41 +0000
commit4f9fe856a25ab29345b90e7725509e9ee38a37be (patch)
treee4ffd8a9374cae7b21f7cbfb352927e0e074aff6 /vendor/addr2line-0.17.0/tests
parentAdding upstream version 1.68.2+dfsg1. (diff)
downloadrustc-4f9fe856a25ab29345b90e7725509e9ee38a37be.tar.xz
rustc-4f9fe856a25ab29345b90e7725509e9ee38a37be.zip
Adding upstream version 1.69.0+dfsg1.upstream/1.69.0+dfsg1
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'vendor/addr2line-0.17.0/tests')
-rw-r--r--vendor/addr2line-0.17.0/tests/correctness.rs91
-rw-r--r--vendor/addr2line-0.17.0/tests/output_equivalence.rs145
-rw-r--r--vendor/addr2line-0.17.0/tests/parse.rs118
3 files changed, 354 insertions, 0 deletions
diff --git a/vendor/addr2line-0.17.0/tests/correctness.rs b/vendor/addr2line-0.17.0/tests/correctness.rs
new file mode 100644
index 000000000..3f7b43373
--- /dev/null
+++ b/vendor/addr2line-0.17.0/tests/correctness.rs
@@ -0,0 +1,91 @@
+extern crate addr2line;
+extern crate fallible_iterator;
+extern crate findshlibs;
+extern crate gimli;
+extern crate memmap;
+extern crate object;
+
+use addr2line::Context;
+use fallible_iterator::FallibleIterator;
+use findshlibs::{IterationControl, SharedLibrary, TargetSharedLibrary};
+use object::Object;
+use std::fs::File;
+
+fn find_debuginfo() -> memmap::Mmap {
+ let path = std::env::current_exe().unwrap();
+ let file = File::open(&path).unwrap();
+ let map = unsafe { memmap::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 { memmap::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 ctx = Context::new(file).unwrap();
+
+ let mut bias = None;
+ TargetSharedLibrary::each(|lib| {
+ bias = Some(lib.virtual_memory_bias().0 as u64);
+ IterationControl::Break
+ });
+
+ let test = |sym: u64, expected_prefix: &str| {
+ let ip = sym.wrapping_sub(bias.unwrap());
+
+ let frames = ctx.find_frames(ip).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).unwrap().count().unwrap() < 10);
+ }
+}
diff --git a/vendor/addr2line-0.17.0/tests/output_equivalence.rs b/vendor/addr2line-0.17.0/tests/output_equivalence.rs
new file mode 100644
index 000000000..9dc366672
--- /dev/null
+++ b/vendor/addr2line-0.17.0/tests/output_equivalence.rs
@@ -0,0 +1,145 @@
+extern crate backtrace;
+extern crate findshlibs;
+extern crate rustc_test as test;
+
+use std::env;
+use std::ffi::OsStr;
+use std::path::Path;
+use std::process::Command;
+
+use backtrace::Backtrace;
+use findshlibs::{IterationControl, SharedLibrary, TargetSharedLibrary};
+use test::{ShouldPanic, TestDesc, TestDescAndFn, TestFn, TestName};
+
+fn make_trace() -> Vec<String> {
+ fn foo() -> Backtrace {
+ bar()
+ }
+ #[inline(never)]
+ fn bar() -> Backtrace {
+ baz()
+ }
+ #[inline(always)]
+ fn baz() -> Backtrace {
+ Backtrace::new_unresolved()
+ }
+
+ let mut base_addr = None;
+ TargetSharedLibrary::each(|lib| {
+ base_addr = Some(lib.virtual_memory_bias().0 as isize);
+ IterationControl::Break
+ });
+ let addrfix = -base_addr.unwrap();
+
+ let trace = foo();
+ trace
+ .frames()
+ .iter()
+ .take(5)
+ .map(|x| format!("{:p}", (x.ip() as *const u8).wrapping_offset(addrfix)))
+ .collect()
+}
+
+fn run_cmd<P: AsRef<OsStr>>(exe: P, me: &Path, flags: Option<&str>, trace: &str) -> String {
+ let mut cmd = Command::new(exe);
+ cmd.env("LC_ALL", "C"); // GNU addr2line is localized, we aren't
+ cmd.env("RUST_BACKTRACE", "1"); // if a child crashes, we want to know why
+
+ if let Some(flags) = flags {
+ cmd.arg(flags);
+ }
+ cmd.arg("--exe").arg(me).arg(trace);
+
+ let output = cmd.output().unwrap();
+
+ assert!(output.status.success());
+ String::from_utf8(output.stdout).unwrap()
+}
+
+fn run_test(flags: Option<&str>) {
+ let me = env::current_exe().unwrap();
+ let mut exe = me.clone();
+ assert!(exe.pop());
+ if exe.file_name().unwrap().to_str().unwrap() == "deps" {
+ assert!(exe.pop());
+ }
+ exe.push("examples");
+ exe.push("addr2line");
+
+ assert!(exe.is_file());
+
+ let trace = make_trace();
+
+ // HACK: GNU addr2line has a bug where looking up multiple addresses can cause the second
+ // lookup to fail. Workaround by doing one address at a time.
+ for addr in &trace {
+ let theirs = run_cmd("addr2line", &me, flags, addr);
+ let ours = run_cmd(&exe, &me, flags, addr);
+
+ // HACK: GNU addr2line does not tidy up paths properly, causing double slashes to be printed.
+ // We consider our behavior to be correct, so we fix their output to match ours.
+ let theirs = theirs.replace("//", "/");
+
+ assert!(
+ theirs == ours,
+ "Output not equivalent:
+
+$ addr2line {0} --exe {1} {2}
+{4}
+$ {3} {0} --exe {1} {2}
+{5}
+
+
+",
+ flags.unwrap_or(""),
+ me.display(),
+ trace.join(" "),
+ exe.display(),
+ theirs,
+ ours
+ );
+ }
+}
+
+static FLAGS: &'static str = "aipsf";
+
+fn make_tests() -> Vec<TestDescAndFn> {
+ (0..(1 << FLAGS.len()))
+ .map(|bits| {
+ if bits == 0 {
+ None
+ } else {
+ let mut param = String::new();
+ param.push('-');
+ for (i, flag) in FLAGS.chars().enumerate() {
+ if (bits & (1 << i)) != 0 {
+ param.push(flag);
+ }
+ }
+ Some(param)
+ }
+ })
+ .map(|param| TestDescAndFn {
+ desc: TestDesc {
+ name: TestName::DynTestName(format!(
+ "addr2line {}",
+ param.as_ref().map_or("", String::as_str)
+ )),
+ ignore: false,
+ should_panic: ShouldPanic::No,
+ allow_fail: false,
+ },
+ testfn: TestFn::DynTestFn(Box::new(move || {
+ run_test(param.as_ref().map(String::as_str))
+ })),
+ })
+ .collect()
+}
+
+fn main() {
+ if !cfg!(target_os = "linux") {
+ return;
+ }
+ let args: Vec<_> = env::args().collect();
+ test::test_main(&args, make_tests());
+}
diff --git a/vendor/addr2line-0.17.0/tests/parse.rs b/vendor/addr2line-0.17.0/tests/parse.rs
new file mode 100644
index 000000000..91d66e382
--- /dev/null
+++ b/vendor/addr2line-0.17.0/tests/parse.rs
@@ -0,0 +1,118 @@
+extern crate addr2line;
+extern crate memmap;
+extern crate object;
+
+use std::borrow::Cow;
+use std::env;
+use std::fs::File;
+use std::path::{self, PathBuf};
+
+use object::Object;
+
+fn release_fixture_path() -> PathBuf {
+ if let Ok(p) = env::var("ADDR2LINE_FIXTURE_PATH") {
+ return p.into();
+ }
+
+ let mut path = PathBuf::new();
+ if let Ok(dir) = env::var("CARGO_MANIFEST_DIR") {
+ path.push(dir);
+ }
+ path.push("fixtures");
+ path.push("addr2line-release");
+ path
+}
+
+fn with_file<F: FnOnce(&object::File)>(target: &path::Path, f: F) {
+ let file = File::open(target).unwrap();
+ let map = unsafe { memmap::Mmap::map(&file).unwrap() };
+ let file = object::File::parse(&*map).unwrap();
+ f(&file)
+}
+
+fn dwarf_load<'a>(object: &object::File<'a>) -> gimli::Dwarf<Cow<'a, [u8]>> {
+ let load_section = |id: gimli::SectionId| -> Result<Cow<'a, [u8]>, gimli::Error> {
+ use object::ObjectSection;
+
+ let data = object
+ .section_by_name(id.name())
+ .and_then(|section| section.data().ok())
+ .unwrap_or(&[][..]);
+ Ok(Cow::Borrowed(data))
+ };
+ gimli::Dwarf::load(&load_section).unwrap()
+}
+
+fn dwarf_borrow<'a>(
+ dwarf: &'a gimli::Dwarf<Cow<[u8]>>,
+) -> gimli::Dwarf<gimli::EndianSlice<'a, gimli::LittleEndian>> {
+ let borrow_section: &dyn for<'b> Fn(
+ &'b Cow<[u8]>,
+ ) -> gimli::EndianSlice<'b, gimli::LittleEndian> =
+ &|section| gimli::EndianSlice::new(&*section, gimli::LittleEndian);
+ dwarf.borrow(&borrow_section)
+}
+
+#[test]
+fn parse_base_rc() {
+ let target = release_fixture_path();
+
+ with_file(&target, |file| {
+ addr2line::ObjectContext::new(file).unwrap();
+ });
+}
+
+#[test]
+fn parse_base_slice() {
+ let target = release_fixture_path();
+
+ with_file(&target, |file| {
+ let dwarf = dwarf_load(file);
+ let dwarf = dwarf_borrow(&dwarf);
+ addr2line::Context::from_dwarf(dwarf).unwrap();
+ });
+}
+
+#[test]
+fn parse_lines_rc() {
+ let target = release_fixture_path();
+
+ with_file(&target, |file| {
+ let context = addr2line::ObjectContext::new(file).unwrap();
+ context.parse_lines().unwrap();
+ });
+}
+
+#[test]
+fn parse_lines_slice() {
+ let target = release_fixture_path();
+
+ with_file(&target, |file| {
+ let dwarf = dwarf_load(file);
+ let dwarf = dwarf_borrow(&dwarf);
+ let context = addr2line::Context::from_dwarf(dwarf).unwrap();
+ context.parse_lines().unwrap();
+ });
+}
+
+#[test]
+fn parse_functions_rc() {
+ let target = release_fixture_path();
+
+ with_file(&target, |file| {
+ let context = addr2line::ObjectContext::new(file).unwrap();
+ context.parse_functions().unwrap();
+ });
+}
+
+#[test]
+fn parse_functions_slice() {
+ let target = release_fixture_path();
+
+ with_file(&target, |file| {
+ let dwarf = dwarf_load(file);
+ let dwarf = dwarf_borrow(&dwarf);
+ let context = addr2line::Context::from_dwarf(dwarf).unwrap();
+ context.parse_functions().unwrap();
+ });
+}