about summary refs log tree commit diff
path: root/sysdeps
diff options
context:
space:
mode:
authorUlrich Drepper <drepper@redhat.com>2005-01-08 05:41:58 +0000
committerUlrich Drepper <drepper@redhat.com>2005-01-08 05:41:58 +0000
commit85555eeb7b4c2cee0714c8860caa4f5851b9045b (patch)
treee827e8d2cbc49bc77e735f6babafd391c48d2f75 /sysdeps
parent2413fdba7a02ba8916f75d17199a6e9133a8f7b0 (diff)
downloadglibc-85555eeb7b4c2cee0714c8860caa4f5851b9045b.tar.gz
glibc-85555eeb7b4c2cee0714c8860caa4f5851b9045b.tar.xz
glibc-85555eeb7b4c2cee0714c8860caa4f5851b9045b.zip
Update.
	* sysdeps/powerpc/powerpc32/dl-trampoline.S (_dl_prof_resolve):
	Extend _dl_prof_resolve to add pass extra parameters to
	_dl_profile_fixup and set up structure with register content.
Diffstat (limited to 'sysdeps')
-rw-r--r--sysdeps/powerpc/powerpc32/dl-trampoline.S185
-rw-r--r--sysdeps/powerpc/powerpc64/dl-trampoline.S68
2 files changed, 157 insertions, 96 deletions
diff --git a/sysdeps/powerpc/powerpc32/dl-trampoline.S b/sysdeps/powerpc/powerpc32/dl-trampoline.S
index 5585192ea8..ea5ce7b45a 100644
--- a/sysdeps/powerpc/powerpc32/dl-trampoline.S
+++ b/sysdeps/powerpc/powerpc32/dl-trampoline.S
@@ -26,43 +26,43 @@
 _dl_runtime_resolve:
  # We need to save the registers used to pass parameters, and register 0,
  # which is used by _mcount; the registers are saved in a stack frame.
-	stwu 1,-64(1)
-	stw 0,12(1)
-	stw 3,16(1)
-	stw 4,20(1)
+	stwu r1,-64(r1)
+	stw r0,12(r1)
+	stw r3,16(r1)
+	stw r4,20(r1)
  # The code that calls this has put parameters for `fixup' in r12 and r11.
-	mr 3,12
-	stw 5,24(1)
-	mr 4,11
-	stw 6,28(1)
-	mflr 0
+	mr r3,r12
+	stw r5,24(r1)
+	mr r4,r11
+	stw r6,28(r1)
+	mflr r0
  # We also need to save some of the condition register fields
-	stw 7,32(1)
-	stw 0,48(1)
-	stw 8,36(1)
-	mfcr 0
-	stw 9,40(1)
-	stw 10,44(1)
-	stw 0,8(1)
+	stw r7,32(r1)
+	stw r0,48(r1)
+	stw r8,36(r1)
+	mfcr r0
+	stw r9,40(r1)
+	stw r10,44(r1)
+	stw r0,8(r1)
 	bl _dl_fixup@local
  # 'fixup' returns the address we want to branch to.
-	mtctr 3
+	mtctr r3
  # Put the registers back...
-	lwz 0,48(1)
-	lwz 10,44(1)
-	lwz 9,40(1)
-	mtlr 0
-	lwz 8,36(1)
-	lwz 0,8(1)
-	lwz 7,32(1)
-	lwz 6,28(1)
-	mtcrf 0xFF,0
-	lwz 5,24(1)
-	lwz 4,20(1)
-	lwz 3,16(1)
-	lwz 0,12(1)
+	lwz r0,48(r1)
+	lwz r10,44(r1)
+	lwz r9,40(r1)
+	mtlr r0
+	lwz r8,36(r1)
+	lwz r0,8(r1)
+	lwz r7,32(r1)
+	lwz r6,28(r1)
+	mtcrf 0xFF,r0
+	lwz r5,24(r1)
+	lwz r4,20(r1)
+	lwz r3,16(r1)
+	lwz r0,12(r1)
  # ...unwind the stack frame, and jump to the PLT entry we updated.
-	addi 1,1,64
+	addi r1,r1,64
 	bctr
 	.size	 _dl_runtime_resolve,.-_dl_runtime_resolve
 
@@ -72,42 +72,103 @@ _dl_runtime_resolve:
 _dl_prof_resolve:
  # We need to save the registers used to pass parameters, and register 0,
  # which is used by _mcount; the registers are saved in a stack frame.
-	stwu 1,-64(1)
-        stw 0,12(1)
-	stw 3,16(1)
-	stw 4,20(1)
+	stwu r1,-320(r1)
+	/* Stack layout:
+
+	  +312   stackframe
+	  +308   lr
+	  +304   r1
+	  +288   v12
+	  +272   v11
+	  +256   v10
+	  +240   v9
+	  +224   v8
+	  +208   v7
+	  +192   v6
+	  +176   v5
+	  +160   v4
+	  +144   v3
+	  +128   v2
+	  +112   v1
+	  +104   fp8
+	  +96    fp7
+	  +88    fp6
+	  +80    fp5
+	  +72    fp4
+	  +64    fp3
+	  +56    fp2
+	  +48    fp1
+	  +44    r10
+	  +40    r9
+	  +36    r8
+	  +32    r7
+	  +28    r6
+	  +24    r5
+	  +20    r4
+	  +16    r3
+	  +12    r0
+	  +8     cr
+	   r1    link
+	*/
+        stw r0,12(r1)
+	stw r3,16(r1)
+	stw r4,20(r1)
  # The code that calls this has put parameters for `fixup' in r12 and r11.
-	mr 3,12
-	stw 5,24(1)
-	mr 4,11
-	stw 6,28(1)
-	mflr 5
+	mr r3,r12
+	stw r5,24(r1)
+	mr r4,r11
+	stw r6,28(r1)
+	mflr r5
  # We also need to save some of the condition register fields.
-	stw 7,32(1)
-	stw 5,48(1)
-	stw 8,36(1)
-	mfcr 0
-	stw 9,40(1)
-	stw 10,44(1)
-	stw 0,8(1)
+	stw r7,32(r1)
+	stw r5,308(r1)
+	stw r8,36(r1)
+	mfcr r0
+	stw r9,40(r1)
+	stw r10,44(r1)
+	stw r0,8(r1)
+ # Save the floating point registers
+	stfd fp1,48(r1)
+	stfd fp2,56(r1)
+	stfd fp3,64(r1)
+	stfd fp4,72(r1)
+	stfd fp5,80(r1)
+	stfd fp6,88(r1)
+	stfd fp7,96(r1)
+	stfd fp8,104(r1)
+ # XXX TODO: store vmx registers
+ # Load the extra parameters.
+	addi r6,r1,16
+	addi r7,r1,312
+	li r0,-1
+	stw r0,0(r7)
 	bl _dl_profile_fixup@local
  # 'fixup' returns the address we want to branch to.
-	mtctr 3
+	mtctr r3
  # Put the registers back...
-	lwz 0,48(1)
-	lwz 10,44(1)
-	lwz 9,40(1)
-	mtlr 0
-	lwz 8,36(1)
-	lwz 0,8(1)
-	lwz 7,32(1)
-	lwz 6,28(1)
-	mtcrf 0xFF,0
-	lwz 5,24(1)
-	lwz 4,20(1)
-	lwz 3,16(1)
-        lwz 0,12(1)
+	lwz r0,308(r1)
+	lwz r10,44(r1)
+	lwz r9,40(r1)
+	mtlr r0
+	lwz r8,36(r1)
+	lwz r0,8(r1)
+	lwz r7,32(r1)
+	lwz r6,28(r1)
+	mtcrf 0xFF,r0
+	lwz r5,24(r1)
+	lwz r4,20(r1)
+	lwz r3,16(r1)
+        lwz r0,12(r1)
+ # Load the floating point registers.
+	lfd fp1,48(r1)
+	lfd fp2,56(r1)
+	lfd fp3,64(r1)
+	lfd fp4,72(r1)
+	lfd fp5,80(r1)
+	lfd fp6,88(r1)
+	lfd fp7,96(r1)
+	lfd fp8,104(r1)
  # ...unwind the stack frame, and jump to the PLT entry we updated.
-	addi 1,1,64
+	addi r1,r1,320
 	bctr
 	.size	 _dl_prof_resolve,.-_dl_prof_resolve
diff --git a/sysdeps/powerpc/powerpc64/dl-trampoline.S b/sysdeps/powerpc/powerpc64/dl-trampoline.S
index 71d16f2dba..946ad8a3e3 100644
--- a/sysdeps/powerpc/powerpc64/dl-trampoline.S
+++ b/sysdeps/powerpc/powerpc64/dl-trampoline.S
@@ -24,47 +24,47 @@
 EALIGN(_dl_runtime_resolve, 4, 0)
 /* We need to save the registers used to pass parameters, ie. r3 thru
    r10; the registers are saved in a stack frame.  */
-	stdu	1,-128(1)
-	std	3,48(1)
-	mr	3,11
-	std	4,56(1)
-	sldi	4,0,1
-	std	5,64(1)
-	add	4,4,0
-	std	6,72(1)
-	sldi	4,4,3
-	std	7,80(1)
-	mflr	0
-	std	8,88(1)
+	stdu	r1,-128(r1)
+	std	r3,48(r1)
+	mr	r3,r11
+	std	r4,56(r1)
+	sldi	r4,r0,1
+	std	r5,64(r1)
+	add	r4,r4,r0
+	std	r6,72(r1)
+	sldi	r4,r4,3
+	std	r7,80(r1)
+	mflr	r0
+	std	r8,88(r1)
 /* Store the LR in the LR Save area of the previous frame.  */
-	std	0,128+16(1)
-	mfcr	0
-	std	9,96(1)
-	std	10,104(1)
+	std	r0,128+16(r1)
+	mfcr	r0
+	std	r9,96(r1)
+	std	r10,104(r1)
 /* I'm almost certain we don't have to save cr...  be safe.  */
-	std	0,8(1)
+	std	r0,8(r1)
 	bl	JUMPTARGET(_dl_fixup)
 /* Put the registers back.  */
-	ld	0,128+16(1)
-	ld	10,104(1)
-	ld	9,96(1)
-	ld	8,88(1)
-	ld	7,80(1)
-	mtlr	0
-	ld	0,8(1)
-	ld	6,72(1)
-	ld	5,64(1)
-	ld	4,56(1)
-	mtcrf	0xFF,0
+	ld	r0,128+16(r1)
+	ld	r10,104(r1)
+	ld	r9,96(r1)
+	ld	r8,88(r1)
+	ld	r7,80(r1)
+	mtlr	r0
+	ld	r0,8(r1)
+	ld	r6,72(r1)
+	ld	r5,64(r1)
+	ld	r4,56(r1)
+	mtcrf	0xFF,r0
 /* Load the target address, toc and static chain reg from the function
    descriptor returned by fixup.  */
-	ld	0,0(3)
-	ld	2,8(3)
-	mtctr	0
-	ld	11,16(3)
-	ld	3,48(1)
+	ld	r0,0(r3)
+	ld	r2,8(r3)
+	mtctr	r0
+	ld	r11,16(r3)
+	ld	r3,48(r1)
 /* Unwind the stack frame, and jump.  */
-	addi	1,1,128
+	addi	r1,r1,128
 	bctr
 END(_dl_runtime_resolve)