Author: nwhitehorn
Date: Sat Dec 11 17:57:42 2010
New Revision: 216381
URL: http://svn.freebsd.org/changeset/base/216381
Log:
Fix stack alignment (required to be to 16 bytes) instead of ptrace and
cerror on powerpc64.
Modified:
head/lib/libc/powerpc64/sys/cerror.S
head/lib/libc/powerpc64/sys/ptrace.S
Modified: head/lib/libc/powerpc64/sys/cerror.S
==============================================================================
--- head/lib/libc/powerpc64/sys/cerror.S Sat Dec 11 17:47:27 2010
(r216380)
+++ head/lib/libc/powerpc64/sys/cerror.S Sat Dec 11 17:57:42 2010
(r216381)
@@ -41,7 +41,7 @@ __FBSDID("$FreeBSD$");
ENTRY(HIDENAME(cerror))
mflr %r0
std %r0,16(%r1) /* save lr */
- stdu %r1,-56(%r1) /* allocate new stack frame */
+ stdu %r1,-64(%r1) /* allocate new stack frame */
std %r31,48(%r1)
mr %r31,%r3 /* stash errval in callee-saved register */
Modified: head/lib/libc/powerpc64/sys/ptrace.S
==============================================================================
--- head/lib/libc/powerpc64/sys/ptrace.S Sat Dec 11 17:47:27 2010
(r216380)
+++ head/lib/libc/powerpc64/sys/ptrace.S Sat Dec 11 17:57:42 2010
(r216381)
@@ -32,8 +32,8 @@ __FBSDID("$FreeBSD$");
ENTRY(ptrace)
mflr %r0
- stdu %r1,-68(%r1)
- std %r0,84(%r1)
+ std %r0,16(%r1)
+ stdu %r1,-80(%r1)
stw %r3,48(%r1)
stw %r4,52(%r1)
std %r5,56(%r1)
@@ -47,10 +47,10 @@ ENTRY(ptrace)
lwz %r3,48(%r1)
lwz %r4,52(%r1)
ld %r5,56(%r1)
- ld %r0,84(%r1)
lwz %r6,64(%r1)
- mtlr %r0
ld %r1,0(%r1)
+ ld %r0,16(%r1)
+ mtlr %r0
li %r0,SYS_ptrace
sc
bso 1f
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