From 4abc46b51af5751d657764d0c44b8a4aeed06302 Mon Sep 17 00:00:00 2001 From: Jakub Jelinek Date: Tue, 26 Nov 2019 10:08:31 +0100 Subject: [PATCH] re PR sanitizer/92154 (new glibc breaks arm bootstrap due to libsanitizer) PR sanitizer/92154 * sanitizer_common/sanitizer_platform_limits_posix.h: Cherry-pick llvm-project revision 947f9692440836dcb8d88b74b69dd379d85974ce. * sanitizer_common/sanitizer_platform_limits_posix.cpp: Likewise. From-SVN: r278722 --- libsanitizer/ChangeLog | 7 +++++++ .../sanitizer_platform_limits_posix.cpp | 8 +++----- .../sanitizer_platform_limits_posix.h | 15 +-------------- 3 files changed, 11 insertions(+), 19 deletions(-) diff --git a/libsanitizer/ChangeLog b/libsanitizer/ChangeLog index 3ae22f7e765..f2a07adca77 100644 --- a/libsanitizer/ChangeLog +++ b/libsanitizer/ChangeLog @@ -1,3 +1,10 @@ +2019-11-26 Jakub Jelinek + + PR sanitizer/92154 + * sanitizer_common/sanitizer_platform_limits_posix.h: Cherry-pick + llvm-project revision 947f9692440836dcb8d88b74b69dd379d85974ce. + * sanitizer_common/sanitizer_platform_limits_posix.cpp: Likewise. + 2019-11-20 Martin Liska * libtool-version: Remove. diff --git a/libsanitizer/sanitizer_common/sanitizer_platform_limits_posix.cpp b/libsanitizer/sanitizer_common/sanitizer_platform_limits_posix.cpp index b4f8f67b664..aa845df4dde 100644 --- a/libsanitizer/sanitizer_common/sanitizer_platform_limits_posix.cpp +++ b/libsanitizer/sanitizer_common/sanitizer_platform_limits_posix.cpp @@ -1128,11 +1128,9 @@ 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)) && \ - !defined(__arm__) -/* On aarch64 glibc 2.20 and earlier provided incorrect mode field. */ -/* On Arm newer glibc provide a different mode field, it's hard to detect - so just disable the check. */ +#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/libsanitizer/sanitizer_common/sanitizer_platform_limits_posix.h b/libsanitizer/sanitizer_common/sanitizer_platform_limits_posix.h index 901f390a0b4..d82fd5e4005 100644 --- a/libsanitizer/sanitizer_common/sanitizer_platform_limits_posix.h +++ b/libsanitizer/sanitizer_common/sanitizer_platform_limits_posix.h @@ -207,26 +207,13 @@ struct __sanitizer_ipc_perm { 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)