1 Adjust libsanitizer to ABI change in glibc 2.31.
3 Taken from this upstream commit:
4 https://github.com/llvm/llvm-project/commit/947f9692440836dcb8d88b74b69dd379d85974ce
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 @@ -1126,8 +1126,9 @@ CHECK_SIZE_AND_OFFSET(ipc_perm, uid);
10 CHECK_SIZE_AND_OFFSET(ipc_perm, gid);
11 CHECK_SIZE_AND_OFFSET(ipc_perm, cuid);
12 CHECK_SIZE_AND_OFFSET(ipc_perm, cgid);
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);
21 diff --git a/compiler-rt/lib/sanitizer_common/sanitizer_platform_limits_posix.h b/compiler-rt/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 @@ -203,28 +203,15 @@ namespace __sanitizer {
27 #elif defined(__sparc__)
28 -#if defined(__arch64__)
30 - unsigned short __pad1;
32 - unsigned short __pad1;
33 - unsigned short mode;
34 - unsigned short __pad2;
36 - unsigned short __seq;
37 - unsigned long long __unused1;
38 - unsigned long long __unused2;
39 -#elif defined(__mips__) || defined(__aarch64__) || defined(__s390x__)
41 - unsigned short __seq;
42 - unsigned short __pad1;
43 - unsigned long __unused1;
44 - unsigned long __unused2;
46 + unsigned short __pad2;
47 + unsigned short __seq;
48 + unsigned long long __unused1;
49 + unsigned long long __unused2;
51 - unsigned short mode;
52 - unsigned short __pad1;
53 - unsigned short __seq;
54 - unsigned short __pad2;
56 + unsigned short __seq;
57 + unsigned short __pad2;
58 #if defined(__x86_64__) && !defined(_LP64)