2005-02-07 Steven Munroe <sjmunroe@us.ibm.com>

	[BZ #700]
	* sysdeps/unix/sysv/linux/powerpc/powerpc64/setcontext.S
	(__novec_setcontext, __setcontext): Fix typo so CCR is restored.
	Load MSR as a doubleword.
	* sysdeps/unix/sysv/linux/powerpc/powerpc64/swapcontext.S
	(__novec_swapcontext, __swapcontext): Likewise.

diff --git a/sysdeps/unix/sysv/linux/powerpc/powerpc64/setcontext.S b/sysdeps/unix/sysv/linux/powerpc/powerpc64/setcontext.S
index 6514f442a6effc8cdc8476a1a320daa731e5361f..bdb9473429cb7521cf0d63a93af044b30d4453b3 100644 (file)
--- a/sysdeps/unix/sysv/linux/powerpc/powerpc64/setcontext.S
+++ b/sysdeps/unix/sysv/linux/powerpc/powerpc64/setcontext.S
@@ -47,7 +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.  */
-  lwz    r0,(SIGCONTEXT_GP_REGS+(PT_MSR*8))(r31)
+  ld     r0,(SIGCONTEXT_GP_REGS+(PT_MSR*8))(r31)
   cmpdi r0,0
   bne    L(nv_do_sigret)
 
@@ -104,7 +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)
-  mfcr r0
+  mtcr 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)
@@ -213,7 +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.  */
-  lwz    r0,(SIGCONTEXT_GP_REGS+(PT_MSR*8))(r31)
+  ld     r0,(SIGCONTEXT_GP_REGS+(PT_MSR*8))(r31)
   cmpdi r0,0
   bne    L(do_sigret)
 
@@ -380,11 +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)

diff --git a/sysdeps/unix/sysv/linux/powerpc/powerpc64/swapcontext.S b/sysdeps/unix/sysv/linux/powerpc/powerpc64/swapcontext.S
index f99df951a2643beae2ca917a2703ce3a71b71338..0a4bac58b53200e6b22f5c5ec8e915fd3955b49e 100644 (file)
--- a/sysdeps/unix/sysv/linux/powerpc/powerpc64/swapcontext.S
+++ b/sysdeps/unix/sysv/linux/powerpc/powerpc64/swapcontext.S
@@ -150,7 +150,7 @@ ENTRY(__novec_swapcontext)
  * 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.  */
-  lwz    r0,(SIGCONTEXT_GP_REGS+(PT_MSR*8))(r31)
+  ld     r0,(SIGCONTEXT_GP_REGS+(PT_MSR*8))(r31)
   cmpdi r0,0
   bne    L(nv_do_sigret)
 
@@ -199,7 +199,7 @@ ENTRY(__novec_swapcontext)
   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
+  mtcr 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)
@@ -521,7 +521,7 @@ L(has_no_vec):
  * 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.  */
-  lwz    r0,(SIGCONTEXT_GP_REGS+(PT_MSR*8))(r31)
+  ld     r0,(SIGCONTEXT_GP_REGS+(PT_MSR*8))(r31)
   cmpdi r0,0
   bne    L(do_sigret)
 
@@ -681,11 +681,11 @@ L(has_no_vec2):
   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)