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PATCH: Use RSP_LP to operate on stack in stackinfo.h
- From: "H.J. Lu" <hongjiu dot lu at intel dot com>
- To: GNU C Library <libc-alpha at sourceware dot org>
- Date: Tue, 15 May 2012 05:39:09 -0700
- Subject: PATCH: Use RSP_LP to operate on stack in stackinfo.h
- Reply-to: "H.J. Lu" <hjl dot tools at gmail dot com>
Hi,
This patch uses RSP_LP to operate operate on stack in stackinfo.h.
Tested on Linux/x86-64. OK to install?
Thanks.
H.J.
----
* sysdeps/x86_64/stackinfo.h (stackinfo_get_sp): Use RSP_LP.
(stackinfo_sub_sp): Likewise.
diff --git a/sysdeps/x86_64/stackinfo.h b/sysdeps/x86_64/stackinfo.h
index ee859e0..aad8dd4 100644
--- a/sysdeps/x86_64/stackinfo.h
+++ b/sysdeps/x86_64/stackinfo.h
@@ -34,10 +34,10 @@
for which they need to act as barriers as well, hence the additional
(unnecessary) parameters. */
#define stackinfo_get_sp() \
- ({ void *p__; asm volatile ("mov %%rsp, %0" : "=r" (p__)); p__; })
+ ({ void *p__; asm volatile ("mov %%" RSP_LP ", %0" : "=r" (p__)); p__; })
#define stackinfo_sub_sp(ptr) \
({ ptrdiff_t d__; \
- asm volatile ("sub %%rsp, %0" : "=r" (d__) : "0" (ptr)); \
+ asm volatile ("sub %%" RSP_LP " , %0" : "=r" (d__) : "0" (ptr)); \
d__; })
#endif /* stackinfo.h */
--
1.7.6.5