[all-commits] [llvm/llvm-project] f65a21: [PAC][ELF][AArch64] Support signed personality fun...

[Daniil Kovalev via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: f65a21a4ecc2e712c700c59842b6b9a1d2a9a060
      https://github.com/llvm/llvm-project/commit/f65a21a4ecc2e712c700c59842b6b9a1d2a9a060
  Author: Daniil Kovalev <dkovalev at accesssoftek.com>
  Date:   2024-12-16 (Mon, 16 Dec 2024)

  Changed paths:
    M clang/lib/CodeGen/CodeGenModule.cpp
    M clang/test/CodeGen/ptrauth-module-flags.c
    M llvm/include/llvm/CodeGen/MachineModuleInfoImpls.h
    M llvm/include/llvm/CodeGen/TargetLoweringObjectFileImpl.h
    M llvm/include/llvm/Target/TargetLoweringObjectFile.h
    M llvm/lib/CodeGen/AsmPrinter/DwarfCFIException.cpp
    M llvm/lib/CodeGen/MachineModuleInfoImpls.cpp
    M llvm/lib/CodeGen/TargetLoweringObjectFileImpl.cpp
    M llvm/lib/Target/AArch64/AArch64TargetObjectFile.cpp
    M llvm/lib/Target/AArch64/AArch64TargetObjectFile.h
    M llvm/lib/Target/AArch64/MCTargetDesc/AArch64TargetStreamer.cpp
    M llvm/lib/Target/AArch64/MCTargetDesc/AArch64TargetStreamer.h
    M llvm/lib/Target/TargetLoweringObjectFile.cpp
    A llvm/test/CodeGen/AArch64/ptrauth-sign-personality.ll

  Log Message:
  -----------
  [PAC][ELF][AArch64] Support signed personality function pointer (#119361)

Re-apply #113148 after revert in #119331

If function pointer signing is enabled, sign personality function
pointer stored in `.DW.ref.__gxx_personality_v0` section with IA key,
0x7EAD = `ptrauth_string_discriminator("personality")` constant
discriminator and address diversity enabled.



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