(CFLAGS-tst-align.c): Add -mpreferred-stack-boundary=4.

1 files changed, 8 insertions, 18 deletions

diff --git a/sysdeps/unix/sysv/linux/powerpc/powerpc64/setcontext.S b/sysdeps/unix/sysv/linux/powerpc/powerpc64/setcontext.S
index 48e9af363d..6514f442a6 100644
--- a/sysdeps/unix/sysv/linux/powerpc/powerpc64/setcontext.S
+++ b/sysdeps/unix/sysv/linux/powerpc/powerpc64/setcontext.S
@@ -1,5 +1,5 @@
 /* Switch to context.
-   Copyright (C) 2002, 2004, 2005, 2006 Free Software Foundation, Inc.
+   Copyright (C) 2002, 2004 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
@@ -14,13 +14,13 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, write to the Free
-   Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA
-   02110-1301 USA.  */
+   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+   02111-1307 USA.  */
 
 #include <sysdep.h>
 #include <rtld-global-offsets.h>
 #include <shlib-compat.h>
-#include <kernel-features.h>
+#include "kernel-features.h"
 
 #define __ASSEMBLY__
 #include <asm/ptrace.h>
@@ -33,11 +33,8 @@ ENTRY(__novec_setcontext)
 #ifdef __ASSUME_NEW_RT_SIGRETURN_SYSCALL
   mflr  r0
   std   r31,-8(1)
-  cfi_offset(r31,-8)
   std   r0,FRAME_LR_SAVE(r1)
-  cfi_offset (lr, FRAME_LR_SAVE)
   stdu  r1,-128(r1)
-  cfi_adjust_cfa_offset (128)
   mr    r31,r3
 
 /*
@@ -50,7 +47,7 @@ ENTRY(__novec_setcontext)
  * of a procedure call (makecontext), so we don't need to restore
  * msr and ctr.  We don't restore r13 since it will be used as
  * the TLS pointer.  */
-  ld	  r0,(SIGCONTEXT_GP_REGS+(PT_MSR*8))(r31)
+  lwz	  r0,(SIGCONTEXT_GP_REGS+(PT_MSR*8))(r31)
   cmpdi r0,0
   bne	  L(nv_do_sigret)
 
@@ -107,7 +104,7 @@ ENTRY(__novec_setcontext)
   ld   r4,(SIGCONTEXT_GP_REGS+(PT_R4*8))(r31)
   ld   r0,(SIGCONTEXT_GP_REGS+(PT_CCR*8))(r31)
   ld   r5,(SIGCONTEXT_GP_REGS+(PT_R5*8))(r31)
-  mtcr r0
+  mfcr r0
   ld   r6,(SIGCONTEXT_GP_REGS+(PT_R6*8))(r31)
   ld   r7,(SIGCONTEXT_GP_REGS+(PT_R7*8))(r31)
   ld   r8,(SIGCONTEXT_GP_REGS+(PT_R8*8))(r31)
@@ -170,9 +167,7 @@ L(nv_do_sigret):
   /* If the kernel is not at least 2.4.21 then generate a ENOSYS stub.  */
   mflr r0
   std  r0,FRAME_LR_SAVE(r1)
-  cfi_offset(lr,FRAME_LR_SAVE)
   stdu r1,-128(r1)
-  cfi_adjust_cfa_offset(128)
   li   r3,ENOSYS
   bl   JUMPTARGET(__syscall_error)
   nop
@@ -204,11 +199,8 @@ ENTRY(__setcontext)
 #ifdef __ASSUME_NEW_RT_SIGRETURN_SYSCALL
   mflr  r0
   std   r31,-8(1)
-  cfi_offset(r31,-8)
   std   r0,FRAME_LR_SAVE(r1)
-  cfi_offset (lr, FRAME_LR_SAVE)
   stdu  r1,-128(r1)
-  cfi_adjust_cfa_offset (128)
   mr    r31,r3
 
 /*
@@ -221,7 +213,7 @@ ENTRY(__setcontext)
  * of a procedure call (makecontext), so we don't need to restore
  * msr and ctr.  We don't restore r13 since it will be used as
  * the TLS pointer.  */
-  ld	  r0,(SIGCONTEXT_GP_REGS+(PT_MSR*8))(r31)
+  lwz	  r0,(SIGCONTEXT_GP_REGS+(PT_MSR*8))(r31)
   cmpdi r0,0
   bne	  L(do_sigret)
 
@@ -388,11 +380,11 @@ L(has_no_vec):
   ld   r4,(SIGCONTEXT_GP_REGS+(PT_R4*8))(r31)
   ld   r0,(SIGCONTEXT_GP_REGS+(PT_CCR*8))(r31)
   ld   r5,(SIGCONTEXT_GP_REGS+(PT_R5*8))(r31)
+  mfcr r0
   ld   r6,(SIGCONTEXT_GP_REGS+(PT_R6*8))(r31)
   ld   r7,(SIGCONTEXT_GP_REGS+(PT_R7*8))(r31)
   ld   r8,(SIGCONTEXT_GP_REGS+(PT_R8*8))(r31)
   ld   r9,(SIGCONTEXT_GP_REGS+(PT_R9*8))(r31)
-  mtcr r0
   ld   r10,(SIGCONTEXT_GP_REGS+(PT_R10*8))(r31)
   ld   r11,(SIGCONTEXT_GP_REGS+(PT_R11*8))(r31)
   ld   r12,(SIGCONTEXT_GP_REGS+(PT_R12*8))(r31)
@@ -451,9 +443,7 @@ L(do_sigret):
   /* If the kernel is not at least 2.4.21 then generate a ENOSYS stub.  */
   mflr r0
   std  r0,FRAME_LR_SAVE(r1)
-  cfi_offset (lr, FRAME_LR_SAVE)
   stdu r1,-128(r1)
-  cfi_adjust_cfa_offset (128)
   li   r3,ENOSYS
   bl   JUMPTARGET(__syscall_error)
   nop