[all-commits] [llvm/llvm-project] a1255d: Use-after-return sanitizer binary metadata

[Dmitry Vyukov via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: a1255dc467f7ce57a966efa76bbbb4ee91d9115a
      https://github.com/llvm/llvm-project/commit/a1255dc467f7ce57a966efa76bbbb4ee91d9115a
  Author: Dmitry Vyukov <dvyukov at google.com>
  Date:   2022-11-29 (Tue, 29 Nov 2022)

  Changed paths:
    M clang/include/clang/Basic/CodeGenOptions.def
    M clang/include/clang/Basic/CodeGenOptions.h
    M clang/include/clang/Driver/Options.td
    M clang/lib/CodeGen/BackendUtil.cpp
    M clang/lib/Driver/SanitizerArgs.cpp
    M llvm/include/llvm/CodeGen/CodeGenPassBuilder.h
    M llvm/include/llvm/CodeGen/MachinePassRegistry.def
    M llvm/include/llvm/CodeGen/Passes.h
    M llvm/include/llvm/InitializePasses.h
    M llvm/include/llvm/Transforms/Instrumentation.h
    M llvm/include/llvm/Transforms/Instrumentation/SanitizerBinaryMetadata.h
    M llvm/lib/CodeGen/CMakeLists.txt
    M llvm/lib/CodeGen/CodeGen.cpp
    A llvm/lib/CodeGen/SanitizerBinaryMetadata.cpp
    M llvm/lib/CodeGen/TargetPassConfig.cpp
    M llvm/lib/Transforms/Instrumentation/SanitizerBinaryMetadata.cpp
    A llvm/test/Instrumentation/SanitizerBinaryMetadata/common.h
    A llvm/test/Instrumentation/SanitizerBinaryMetadata/covered.cpp
    A llvm/test/Instrumentation/SanitizerBinaryMetadata/lit.local.cfg
    A llvm/test/Instrumentation/SanitizerBinaryMetadata/uar.cpp

  Log Message:
  -----------
  Use-after-return sanitizer binary metadata

Currently per-function metadata consists of:
(start-pc, size, features)

This adds a new UAR feature and if it's set an additional element:
(start-pc, size, features, stack-args-size)

Reviewed By: melver

Differential Revision: https://reviews.llvm.org/D136078