[ltrace-commits] 05/06: Set child stack alignment in trace-clone.c
Petr Machata
pmachata-guest at moszumanska.debian.org
Wed Feb 5 01:17:30 UTC 2014
This is an automated email from the git hooks/post-receive script.
pmachata-guest pushed a commit to branch pmachata/aarch64
in repository ltrace.
commit 0b5457a9e59978bcd2eb5240f54838910365a93c
Author: Petr Machata <pmachata at apm-mustang-ev2-02.ml3.eng.bos.redhat.com>
Date: Tue Feb 4 19:57:50 2014 -0500
Set child stack alignment in trace-clone.c
- This is important on aarch64, which requires 16-byte aligned
stack pointer. This might be relevant on other arches as well,
I suspect we just happened to get the 16-byte boundary in some
cases.
---
testsuite/ltrace.minor/trace-clone.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/testsuite/ltrace.minor/trace-clone.c b/testsuite/ltrace.minor/trace-clone.c
index db1936d..ded930c 100644
--- a/testsuite/ltrace.minor/trace-clone.c
+++ b/testsuite/ltrace.minor/trace-clone.c
@@ -8,6 +8,7 @@
#include <sys/types.h>
#include <stdlib.h>
#include <sched.h>
+#include <unistd.h>
int child ()
{
@@ -22,7 +23,8 @@ typedef int (* myfunc)();
int main ()
{
pid_t pid;
- static char stack[STACK_SIZE];
+ static __attribute__ ((aligned (16))) char stack[STACK_SIZE];
+
#ifdef __ia64__
pid = __clone2((myfunc)&child, stack, STACK_SIZE, CLONE_FS, NULL);
#else
--
Alioth's /usr/local/bin/git-commit-notice on /srv/git.debian.org/git/collab-maint/ltrace.git
More information about the ltrace-commits
mailing list