nixpkgs/pkgs/development/compilers/llvm/7/compiler-rt-glibc.patch
Maximilian Bosch 2c60e7c2d0
llvm*: compiler-rt: fix build w/glibc-2.31
https://hydra.nixos.org/build/122885657 and more.

Original upstream fix (available in llvm_10):

   947f969244
2020-06-29 14:41:43 +02:00

49 lines
1.8 KiB
Diff

diff --git a/lib/sanitizer_common/sanitizer_platform_limits_posix.cc b/lib/sanitizer_common/sanitizer_platform_limits_posix.cc
index 54da635..c5dc1cd 100644
--- a/lib/sanitizer_common/sanitizer_platform_limits_posix.cc
+++ b/lib/sanitizer_common/sanitizer_platform_limits_posix.cc
@@ -1158,8 +1158,9 @@ CHECK_SIZE_AND_OFFSET(ipc_perm, uid);
CHECK_SIZE_AND_OFFSET(ipc_perm, gid);
CHECK_SIZE_AND_OFFSET(ipc_perm, cuid);
CHECK_SIZE_AND_OFFSET(ipc_perm, cgid);
-#if !defined(__aarch64__) || !SANITIZER_LINUX || __GLIBC_PREREQ (2, 21)
-/* On aarch64 glibc 2.20 and earlier provided incorrect mode field. */
+#if !SANITIZER_LINUX || __GLIBC_PREREQ (2, 31)
+/* glibc 2.30 and earlier provided 16-bit mode field instead of 32-bit
+ on many architectures. */
CHECK_SIZE_AND_OFFSET(ipc_perm, mode);
#endif
diff --git a/lib/sanitizer_common/sanitizer_platform_limits_posix.h b/lib/sanitizer_common/sanitizer_platform_limits_posix.h
index f89a113..f6f986f 100644
--- a/lib/sanitizer_common/sanitizer_platform_limits_posix.h
+++ b/lib/sanitizer_common/sanitizer_platform_limits_posix.h
@@ -213,26 +213,13 @@ namespace __sanitizer {
u64 __unused1;
u64 __unused2;
#elif defined(__sparc__)
-#if defined(__arch64__)
unsigned mode;
- unsigned short __pad1;
-#else
- unsigned short __pad1;
- unsigned short mode;
unsigned short __pad2;
-#endif
unsigned short __seq;
unsigned long long __unused1;
unsigned long long __unused2;
-#elif defined(__mips__) || defined(__aarch64__) || defined(__s390x__)
- unsigned int mode;
- unsigned short __seq;
- unsigned short __pad1;
- unsigned long __unused1;
- unsigned long __unused2;
#else
- unsigned short mode;
- unsigned short __pad1;
+ unsigned int mode;
unsigned short __seq;
unsigned short __pad2;
#if defined(__x86_64__) && !defined(_LP64)