[Lldb-commits] [PATCH] D124198: [LLDB][Unwind] Add stack scanning as fallback unwind plan if no symbol file is available.

[Zequan Wu via Phabricator via lldb-commits]

zequanwu created this revision.
zequanwu added reviewers: labath, clayborg, jasonmolenda.
Herald added subscribers: atanasyan, jrtc27, kbarton, nemanjai, sdardis.
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zequanwu requested review of this revision.
Herald added a project: LLDB.
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This adds stack scanning as fallback unwind plan to find a value that looks like
return address. If the return address is not valid, continue scanning from next
locatoin on stack when trying fallback unwind and the active row is `raSearch`.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D124198

Files:
  lldb/include/lldb/Symbol/UnwindPlan.h
  lldb/include/lldb/Target/ABI.h
  lldb/include/lldb/Target/RegisterContextUnwind.h
  lldb/source/Plugins/ABI/AArch64/ABIMacOSX_arm64.h
  lldb/source/Plugins/ABI/AArch64/ABISysV_arm64.h
  lldb/source/Plugins/ABI/ARC/ABISysV_arc.h
  lldb/source/Plugins/ABI/ARM/ABIMacOSX_arm.h
  lldb/source/Plugins/ABI/ARM/ABISysV_arm.h
  lldb/source/Plugins/ABI/Hexagon/ABISysV_hexagon.h
  lldb/source/Plugins/ABI/Mips/ABISysV_mips.h
  lldb/source/Plugins/ABI/Mips/ABISysV_mips64.h
  lldb/source/Plugins/ABI/PowerPC/ABISysV_ppc.h
  lldb/source/Plugins/ABI/PowerPC/ABISysV_ppc64.h
  lldb/source/Plugins/ABI/SystemZ/ABISysV_s390x.h
  lldb/source/Plugins/ABI/X86/ABIMacOSX_i386.h
  lldb/source/Plugins/ABI/X86/ABISysV_i386.h
  lldb/source/Plugins/ABI/X86/ABISysV_x86_64.h
  lldb/source/Plugins/ABI/X86/ABIWindows_x86_64.cpp
  lldb/source/Plugins/ABI/X86/ABIWindows_x86_64.h
  lldb/source/Plugins/SymbolFile/Breakpad/SymbolFileBreakpad.cpp
  lldb/source/Plugins/SymbolFile/NativePDB/PdbAstBuilder.cpp
  lldb/source/Symbol/UnwindPlan.cpp
  lldb/source/Target/RegisterContextUnwind.cpp
  lldb/test/Shell/SymbolFile/Breakpad/unwind-via-raSearch.test

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