f4b80b9109
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:
ba55425db9
That's the only change compare to
https://github.com/llvm/llvm-project/pull/134847
67 lines
2.1 KiB
C++
67 lines
2.1 KiB
C++
//===-- GsymDIContext.h --------------------------------------------------===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===/
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#ifndef LLVM_DEBUGINFO_GSYM_GSYMDICONTEXT_H
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#define LLVM_DEBUGINFO_GSYM_GSYMDICONTEXT_H
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#include "llvm/DebugInfo/DIContext.h"
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#include <cstdint>
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#include <memory>
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#include <string>
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namespace llvm {
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namespace gsym {
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class GsymReader;
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/// GSYM DI Context
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/// This data structure is the top level entity that deals with GSYM
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/// symbolication.
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/// This data structure exists only when there is a need for a transparent
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/// interface to different symbolication formats (e.g. GSYM, PDB and DWARF).
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/// More control and power over the debug information access can be had by using
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/// the GSYM interfaces directly.
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class GsymDIContext : public DIContext {
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public:
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GsymDIContext(std::unique_ptr<GsymReader> Reader);
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GsymDIContext(GsymDIContext &) = delete;
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GsymDIContext &operator=(GsymDIContext &) = delete;
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static bool classof(const DIContext *DICtx) {
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return DICtx->getKind() == CK_GSYM;
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}
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void dump(raw_ostream &OS, DIDumpOptions DIDumpOpts) override;
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std::optional<DILineInfo> getLineInfoForAddress(
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object::SectionedAddress Address,
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DILineInfoSpecifier Specifier = DILineInfoSpecifier()) override;
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std::optional<DILineInfo>
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getLineInfoForDataAddress(object::SectionedAddress Address) override;
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DILineInfoTable getLineInfoForAddressRange(
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object::SectionedAddress Address, uint64_t Size,
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DILineInfoSpecifier Specifier = DILineInfoSpecifier()) override;
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DIInliningInfo getInliningInfoForAddress(
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object::SectionedAddress Address,
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DILineInfoSpecifier Specifier = DILineInfoSpecifier()) override;
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std::vector<DILocal>
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getLocalsForAddress(object::SectionedAddress Address) override;
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private:
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const std::unique_ptr<GsymReader> Reader;
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};
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} // end namespace gsym
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} // end namespace llvm
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#endif // LLVM_DEBUGINFO_PDB_PDBCONTEXT_H
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