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authorUlrich Drepper <drepper@redhat.com>2003-09-17 08:02:17 +0000
committerUlrich Drepper <drepper@redhat.com>2003-09-17 08:02:17 +0000
commit6c052003bda07641309dcd4fe4a5158d24f5d607 (patch)
tree3a4869ea7ff0fefdbd6a7cfde71e8bdc35e57f2a /sysdeps/unix/sysv/linux/i386/clone.S
parent92ce46766b7d3f6d65fd345ab612fc04e55b89cc (diff)
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Update.
2003-09-17  Ulrich Drepper  <drepper@redhat.com>

	* sysdeps/unix/sysv/linux/i386/clone.S: Make sure child gets a
	stack which is aligned (mod 16).
Diffstat (limited to 'sysdeps/unix/sysv/linux/i386/clone.S')
-rw-r--r--sysdeps/unix/sysv/linux/i386/clone.S6
1 files changed, 4 insertions, 2 deletions
diff --git a/sysdeps/unix/sysv/linux/i386/clone.S b/sysdeps/unix/sysv/linux/i386/clone.S
index 1f7417effd..94c6a72548 100644
--- a/sysdeps/unix/sysv/linux/i386/clone.S
+++ b/sysdeps/unix/sysv/linux/i386/clone.S
@@ -61,8 +61,10 @@ ENTRY (BP_SYM (__clone))
 	jz	SYSCALL_ERROR_LABEL
 #endif
 
-	/* Insert the argument onto the new stack.  */
-	subl	$16,%ecx
+	/* Insert the argument onto the new stack.  Make sure the new
+	   thread is started with an alignment of (mod 16).  */
+	andl	$0xfffffff0, %ecx
+	subl	$24,%ecx
 	movl	ARG(%esp),%eax		/* no negative argument counts */
 	movl	%eax,12(%ecx)