File gcc8-pr92154.patch of Package gcc8.23696
From 54d87ffe4b34052f159ac5b72b250129ce813b2a Mon Sep 17 00:00:00 2001
From: Jakub Jelinek <jakub@redhat.com>
Date: Fri, 14 Feb 2020 12:33:27 +0100
Subject: [PATCH 1/4] backport: re PR sanitizer/92154 (new glibc breaks arm
bootstrap due to libsanitizer)
To: gcc-patches@gcc.gnu.org
Backported from mainline
2019-10-22 Tamar Christina <tamar.christina@arm.com>
PR sanitizer/92154
* sanitizer_common/sanitizer_platform_limits_posix.cc:
Cherry-pick compiler-rt revision r375220.
---
libsanitizer/ChangeLog | 9 +++++++++
.../sanitizer_common/sanitizer_platform_limits_posix.cc | 6 +++++-
2 files changed, 14 insertions(+), 1 deletion(-)
diff --git a/libsanitizer/sanitizer_common/sanitizer_platform_limits_posix.cc b/libsanitizer/sanitizer_common/sanitizer_platform_limits_posix.cc
index a915d37cdfe..e85aaf51928 100644
--- a/libsanitizer/sanitizer_common/sanitizer_platform_limits_posix.cc
+++ b/libsanitizer/sanitizer_common/sanitizer_platform_limits_posix.cc
@@ -1147,8 +1147,12 @@ 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)
+#if (!defined(__aarch64__) || !SANITIZER_LINUX || __GLIBC_PREREQ (2, 21)) && \
+ !defined(__arm__)
/* On aarch64 glibc 2.20 and earlier provided incorrect mode field. */
+/* On Arm glibc 2.31 and later provide a different mode field, this field is
+ never used by libsanitizer so we can simply ignore this assert for all glibc
+ versions. */
CHECK_SIZE_AND_OFFSET(ipc_perm, mode);
#endif
--
2.34.1
From dbdf86838aaaef76620c00c53096cfe157d5af6e Mon Sep 17 00:00:00 2001
From: Jakub Jelinek <jakub@redhat.com>
Date: Fri, 14 Feb 2020 12:38:30 +0100
Subject: [PATCH 4/4] backport: re PR sanitizer/92154 (new glibc breaks arm
bootstrap due to libsanitizer)
To: gcc-patches@gcc.gnu.org
Backported from mainline
2019-11-26 Jakub Jelinek <jakub@redhat.com>
PR sanitizer/92154
* sanitizer_common/sanitizer_platform_limits_posix.h: Cherry-pick
llvm-project revision 947f9692440836dcb8d88b74b69dd379d85974ce.
* sanitizer_common/sanitizer_platform_limits_posix.cc: Likewise.
---
libsanitizer/ChangeLog | 7 +++++++
.../sanitizer_platform_limits_posix.cc | 9 +++------
.../sanitizer_platform_limits_posix.h | 15 +--------------
3 files changed, 11 insertions(+), 20 deletions(-)
diff --git a/libsanitizer/sanitizer_common/sanitizer_platform_limits_posix.cc b/libsanitizer/sanitizer_common/sanitizer_platform_limits_posix.cc
index e85aaf51928..5c720b2e700 100644
--- a/libsanitizer/sanitizer_common/sanitizer_platform_limits_posix.cc
+++ b/libsanitizer/sanitizer_common/sanitizer_platform_limits_posix.cc
@@ -1147,12 +1147,9 @@ 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 glibc 2.31 and later provide a different mode field, this field is
- never used by libsanitizer so we can simply ignore this assert for all glibc
- versions. */
+#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 4d11d071776..9c1429623ab 100644
--- a/libsanitizer/sanitizer_common/sanitizer_platform_limits_posix.h
+++ b/libsanitizer/sanitizer_common/sanitizer_platform_limits_posix.h
@@ -210,26 +210,13 @@ 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)
--
2.34.1