gcc-sanitizers: Fix build with glibc 2.31

Backport a patch from latest gcc-9-branch to fix an API change in glibc
2.31, this patch wont be needed when upgrading to 9.3 or 10.x

(From OE-Core rev: d089f84d64b90776623e0e43d237ac3fcc6a0d7d)

Signed-off-by: Khem Raj <raj.khem@gmail.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

2 files changed, 71 insertions, 0 deletions

diff --git a/meta/recipes-devtools/gcc/gcc-9.2.inc b/meta/recipes-devtools/gcc/gcc-9.2.inc
index c6395998d5..926df11c27 100644
--- a/meta/recipes-devtools/gcc/gcc-9.2.inc
+++ b/meta/recipes-devtools/gcc/gcc-9.2.inc
@@ -64,6 +64,7 @@ SRC_URI = "\
            file://0034-fix-segmentation-fault-in-precompiled-header-generat.patch \
            file://0035-Fix-for-testsuite-failure.patch \
            file://0036-Re-introduce-spe-commandline-options.patch \
+           file://0037-Fix-up-libsanitizer-build-with-master-glibc.patch \
            file://CVE-2019-14250.patch \
            file://CVE-2019-15847_1.patch \
            file://CVE-2019-15847_2.patch \
diff --git a/meta/recipes-devtools/gcc/gcc-9.2/0037-Fix-up-libsanitizer-build-with-master-glibc.patch b/meta/recipes-devtools/gcc/gcc-9.2/0037-Fix-up-libsanitizer-build-with-master-glibc.patch
new file mode 100644
index 0000000000..abe074c289
--- /dev/null
+++ b/meta/recipes-devtools/gcc/gcc-9.2/0037-Fix-up-libsanitizer-build-with-master-glibc.patch
@@ -0,0 +1,70 @@
+From 7ed24d12664319f34625a12fd8c0f729a0e71f5c Mon Sep 17 00:00:00 2001
+From: Auto Builder <ab@rdk>
+Date: Sun, 22 Dec 2019 02:58:24 +0000
+Subject: [PATCH] Fix up libsanitizer build with master glibc
+
+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.cpp: Likewise.
+
+Upstream-Status: Backport [https://gcc.gnu.org/git/?p=gcc.git;a=commitdiff;h=b02486e0951bc0ed38310a03be73e479fc6f3e7a;hp=3feeac76ffc38427de2d7d086e2928e63eee2d44]
+Signed-off-by: Auto Builder <ab@rdk>
+---
+ .../sanitizer_platform_limits_posix.cc            |  5 +++--
+ .../sanitizer_platform_limits_posix.h             | 15 +--------------
+ 2 files changed, 4 insertions(+), 16 deletions(-)
+
+diff --git a/libsanitizer/sanitizer_common/sanitizer_platform_limits_posix.cc b/libsanitizer/sanitizer_common/sanitizer_platform_limits_posix.cc
+index 6cd4a5bac..d823a1219 100644
+--- a/libsanitizer/sanitizer_common/sanitizer_platform_limits_posix.cc
++++ b/libsanitizer/sanitizer_common/sanitizer_platform_limits_posix.cc
+@@ -1156,8 +1156,9 @@ 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/libsanitizer/sanitizer_common/sanitizer_platform_limits_posix.h b/libsanitizer/sanitizer_common/sanitizer_platform_limits_posix.h
+index 73af92af1..6a673a7c9 100644
+--- a/libsanitizer/sanitizer_common/sanitizer_platform_limits_posix.h
++++ b/libsanitizer/sanitizer_common/sanitizer_platform_limits_posix.h
+@@ -211,26 +211,13 @@ 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)
+-- 
+2.17.1
+