[all-commits] [llvm/llvm-project] 9145cb: [Sanitizers][Darwin] Add READ/WRITE detection on a...

[thetruestblue via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 9145cb8b7c9acd6e7980047e048007bc58b7fab9
      https://github.com/llvm/llvm-project/commit/9145cb8b7c9acd6e7980047e048007bc58b7fab9
  Author: Blue Gaston <bgaston2 at apple.com>
  Date:   2022-05-12 (Thu, 12 May 2022)

  Changed paths:
    M compiler-rt/lib/sanitizer_common/sanitizer_mac.cpp

  Log Message:
  -----------
  [Sanitizers][Darwin] Add READ/WRITE detection on arm64 for darwin.

	On arm64 the read/write flag is set on the esr register.
	Adding this flag check for arm64 enables a more accurate
	print out for sanitizer signal reports and matches the
	behavior on x86.

	Fixes bug: https://bugs.llvm.org/show_bug.cgi?id=27543 https://github.com/google/sanitizers/issues/653

	These tests are now passing:
		SanitizerCommon-asan-arm64-Darwin :: Posix/illegal_read_test.cpp
		SanitizerCommon-asan-arm64-Darwin :: Posix/illegal_write_test.cpp
		SanitizerCommon-asan-arm64e-Darwin :: Posix/illegal_read_test.cpp
  		SanitizerCommon-asan-arm64e-Darwin :: Posix/illegal_write_test.cpp
  		SanitizerCommon-tsan-arm64-Darwin :: Posix/illegal_read_test.cpp
  		SanitizerCommon-tsan-arm64-Darwin :: Posix/illegal_write_test.cpp
  		SanitizerCommon-tsan-arm64e-Darwin :: Posix/illegal_read_test.cpp
  		SanitizerCommon-tsan-arm64e-Darwin :: Posix/illegal_write_test.cpp
  		SanitizerCommon-ubsan-arm64-Darwin :: Posix/illegal_read_test.cpp
  		SanitizerCommon-ubsan-arm64-Darwin :: Posix/illegal_write_test.cpp
  		SanitizerCommon-ubsan-arm64e-Darwin :: Posix/illegal_read_test.cpp
  		SanitizerCommon-ubsan-arm64e-Darwin :: Posix/illegal_write_test.cpp

rdar://92104440

Differential Revision: https://reviews.llvm.org/D125416