llvm-project.git/llvm/lib/DebugInfo/Symbolize/Symbolize.cpp, branch main

Rename GsymDIContext to GsymContext (#140227)

2025-05-16T17:18:21+00:00

Renaming based on suggestion here: 
https://github.com/llvm/llvm-project/pull/139686#discussion_r2089538528

LLVM symbolizer gsym support - attempt 2 (#139686)

2025-05-13T15:27:05+00:00

Add support for gsym files to llvm-symbolizer.

co-author @sfc-gh-sgiesecke

Notes:
There was a PR that was 
approved and merged: https://github.com/llvm/llvm-project/pull/134847 
and reverted: https://github.com/llvm/llvm-project/pull/139660
Due to buildbot failures:
https://lab.llvm.org/buildbot/#/builders/66/builds/13851 - it looks like
related
https://lab.llvm.org/buildbot/#/builders/51/builds/16018 - it looks like
related
https://lab.llvm.org/buildbot/#/builders/146/builds/2905 - it looks like
it's not related to changes

Fix:
To fix missing GSYM symbols 
```
+ diff -u expected.new undefined.new
+_ZN4llvm4gsym10GsymReader8openFileENS_9StringRefE U
+_ZN4llvm4gsym10GsymReaderC1EOS1_ U
+_ZN4llvm4gsym10GsymReaderD1Ev U
+_ZN4llvm4gsym13GsymDIContextC1ENSt20__InternalSymbolizer10unique_ptrINS0_10GsymReaderENS2_14default_deleteIS4_EEEE U
+ echo 'Failed: unexpected symbols'
```
for script
compiler-rt/lib/sanitizer_common/symbolizer/scripts/build_symbolizer.sh
LLVMDebugInfoGSYM was added. 
Please check the commit:

https://github.com/llvm/llvm-project/pull/139686/commits/ba55425db9fd8fd1ebb06a4c8d8c95eef213444f
That's the only change compare to
https://github.com/llvm/llvm-project/pull/134847

Revert "LLVM symbolizer gsym support" (#139660)

2025-05-13T02:43:00+00:00

Reverts llvm/llvm-project#134847

LLVM symbolizer gsym support (#134847)

2025-05-12T21:39:31+00:00

Add support for gsym files to llvm-symbolizer.

co-author @sfc-gh-sgiesecke

---------

Co-authored-by: David Blaikie

[DebugInfo] Use StringRef::starts_with (NFC) (#135933)

2025-04-16T15:38:16+00:00

[NFC][LLVM] Apply std::move to object being pushed back in findSymbolCommon (#135290)

2025-04-11T22:49:01+00:00

Static analysis found that we could move LineInfo into the Result vector
instead of just copying it.

[DebugInfo] Clean up LLVMSymbolizer::DemangleName API: const string& -> StringRef (#118056)

2024-11-29T11:25:14+00:00

[DebugInfo] Remove unused includes (NFC) (#116551)

2024-11-17T18:37:33+00:00

Identified with misc-include-cleaner.

[Symbolizer, DebugInfo] Clean up LLVMSymbolizer API: const string& -> StringRef (#104541)

2024-08-22T02:53:41+00:00

Nothing in the affected code depends on the `ModuleName` being
null-terminated,
so take it by `StringRef` instead of `const std::string &`.

This change simplifies API consumption, since one doesn't always have a
`std::string` at the call site (might have `std::string_view` instead),
and also gives some minor performance improvements by removing
string-copies in the cache-hit path of `getOrCreateModuleInfo`.

[Symbolizer] Support for Missing Line Numbers. (#82240)

2024-08-05T08:08:34+00:00

LLVM Symbolizer attempt to symbolize addresses of optimized binaries
reports missing line numbers for some cases. It maybe due to compiler
which sometimes cannot map an instruction to line number due to
optimizations. Symbolizer should handle those cases gracefully.

Adding an option '--skip-line-zero' to symbolizer so as to report the
nearest non-zero line number.

---------

Co-authored-by: Amit Pandey