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From: Venkataramanan Kumar <>
To: Marcus Shawcroft <>,, 	Patch Tracking <>
Subject: [PATCH] [AARCH64] - Add signal handler definitions for profiling.
Date: Mon, 23 Sep 2013 05:44:00 -0000	[thread overview]
Message-ID: <> (raw)

[-- Attachment #1: Type: text/plain, Size: 599 bytes --]

Hi Marcus,

As per your comments in, I have
separated the patch that adds signal handler definitions for

Cross tested with glibc testsuites on ARM V8 foundation model, with no

Also please let me know,  "_mcount" patch in is good to


2013-09-23 Venkataramanan Kumar  <>
        * sysdeps/unix/sysv/linux/sigcontextinfo.h: New file

if they are OK, can someone please commit it on my behalf.


[-- Attachment #2: glibc.sigcontext.txt --]
[-- Type: text/plain, Size: 1645 bytes --]

diff --git a/ports/sysdeps/unix/sysv/linux/aarch64/sigcontextinfo.h b/ports/sysdeps/unix/sysv/linux/aarch64/sigcontextinfo.h
new file mode 100644
index 0000000..f660d1e
--- /dev/null
+++ b/ports/sysdeps/unix/sysv/linux/aarch64/sigcontextinfo.h
@@ -0,0 +1,36 @@
+/* AArch64 definitions for signal handling calling conventions.
+   Copyright (C) 1996-2013 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   Lesser General Public License for more details.
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, see
+   <>.  */
+#include <sys/ucontext.h>
+#include "kernel-features.h"
+#define SIGCONTEXT siginfo_t *_si, struct ucontext *
+#define GET_PC(ctx)	((void *) (ctx)->uc_mcontext.pc)
+/* There is no reliable way to get the sigcontext unless we use a
+   three-argument signal handler.  */
+#define __sigaction(sig, act, oact) ({ \
+  (act)->sa_flags |= SA_SIGINFO; \
+  (__sigaction) (sig, act, oact); \
+#define sigaction(sig, act, oact) ({ \
+  (act)->sa_flags |= SA_SIGINFO; \
+  (sigaction) (sig, act, oact); \

             reply	other threads:[~2013-09-23  5:44 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-09-23  5:44 Venkataramanan Kumar [this message]
2013-09-24 12:21 ` Marcus Shawcroft

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