From: "H.J. Lu" <hjl.tools@gmail.com>
To: gcc-patches@gcc.gnu.org
Subject: [PATCH] libsanitizer: cherry-pick commit 05551c658269 from upstream
Date: Wed, 26 Apr 2023 19:32:43 -0700 [thread overview]
Message-ID: <20230427023243.1481560-1-hjl.tools@gmail.com> (raw)
cherry-pick:
05551c658269 [sanitizer] Correct alignment of x32 __sanitizer_siginfo
* sanitizer_common/sanitizer_platform_limits_posix.h
(__sanitizer_siginfo_pad): Use u64 to align x32
__sanitizer_siginfo to 8 bytes.
---
.../sanitizer_common/sanitizer_platform_limits_posix.h | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/libsanitizer/sanitizer_common/sanitizer_platform_limits_posix.h b/libsanitizer/sanitizer_common/sanitizer_platform_limits_posix.h
index cfca7bdedbe..e6f298c26e1 100644
--- a/libsanitizer/sanitizer_common/sanitizer_platform_limits_posix.h
+++ b/libsanitizer/sanitizer_common/sanitizer_platform_limits_posix.h
@@ -578,8 +578,13 @@ struct __sanitizer_sigset_t {
#endif
struct __sanitizer_siginfo_pad {
+#if SANITIZER_X32
+ // x32 siginfo_t is aligned to 8 bytes.
+ u64 pad[128 / sizeof(u64)];
+#else
// Require uptr, because siginfo_t is always pointer-size aligned on Linux.
uptr pad[128 / sizeof(uptr)];
+#endif
};
#if SANITIZER_LINUX
--
2.40.0
next reply other threads:[~2023-04-27 2:32 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-04-27 2:32 H.J. Lu [this message]
2023-04-27 7:03 ` Martin Liška
2023-04-27 16:25 ` H.J. Lu
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