gnu/packages/patches/clang-runtime-3.8-libsanitizer-mode-field.patch

   1 Adjust libsanitizer to ABI change in glibc 2.31.
   2
   3 Adapted to 3.x from this upstream commit:
   4 https://github.com/llvm/llvm-project/commit/947f9692440836dcb8d88b74b69dd379d85974ce
   5
   6 diff --git a/lib/sanitizer_common/sanitizer_platform_limits_posix.cc b/lib/sanitizer_common/sanitizer_platform_limits_posix.cc
   7 --- a/lib/sanitizer_common/sanitizer_platform_limits_posix.cc
   8 +++ b/lib/sanitizer_common/sanitizer_platform_limits_posix.cc
   9 @@ -1130,8 +1130,9 @@ CHECK_SIZE_AND_OFFSET(ipc_perm, cgid);
  10  #ifndef __GLIBC_PREREQ
  11  #define __GLIBC_PREREQ(x, y) 0
  12  #endif
  13 -#if !defined(__aarch64__) || !SANITIZER_LINUX || __GLIBC_PREREQ (2, 21)
  14 -/* On aarch64 glibc 2.20 and earlier provided incorrect mode field.  */
  15 +#if !SANITIZER_LINUX || __GLIBC_PREREQ (2, 31)
  16 +/* glibc 2.30 and earlier provided 16-bit mode field instead of 32-bit
  17 +   on many architectures.  */
  18  CHECK_SIZE_AND_OFFSET(ipc_perm, mode);
  19  #endif
  20
  21 diff --git a/lib/sanitizer_common/sanitizer_platform_limits_posix.h b/lib/sanitizer_common/sanitizer_platform_limits_posix.h
  22 --- a/lib/sanitizer_common/sanitizer_platform_limits_posix.h
  23 +++ b/lib/sanitizer_common/sanitizer_platform_limits_posix.h
  24 @@ -188,17 +188,16 @@ namespace __sanitizer {
  25      unsigned __seq;
  26      u64 __unused1;
  27      u64 __unused2;
  28 -#elif defined(__mips__) || defined(__aarch64__)
  29 -    unsigned int mode;
  30 -    unsigned short __seq;
  31 -    unsigned short __pad1;
  32 -    unsigned long __unused1;
  33 -    unsigned long __unused2;
  34 +#elif defined(__sparc__)
  35 +  unsigned mode;
  36 +  unsigned short __pad2;
  37 +  unsigned short __seq;
  38 +  unsigned long long __unused1;
  39 +  unsigned long long __unused2;
  40  #else
  41 -    unsigned short mode;
  42 -    unsigned short __pad1;
  43 -    unsigned short __seq;
  44 -    unsigned short __pad2;
  45 +  unsigned int mode;
  46 +  unsigned short __seq;
  47 +  unsigned short __pad2;
  48  #if defined(__x86_64__) && !defined(_LP64)
  49      u64 __unused1;
  50      u64 __unused2;