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* sysdeps/powerpc/powerpc32/fpu/fprsave.S: Add cfi_offset for spilling

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of non-volatile floating-point registers to the stack (fp14-fp31).
	* sysdeps/powerpc/powerpc32/gprsave0.S: Add cfi_offset for spilling of
	non-volatile general-purpose registers to the stack (gpr13-gpr31).
	* sysdeps/powerpc/powerpc64/dl-trampoline.S: Add cfi_offset
	for non-volatiles gpr30 - grp31 spilled to the stack.
	* sysdeps/powerpc/powerpc64/memcpy.S: Add cfi_offset for non-volatile
	gpr31 spill to the stack.
	* sysdeps/unix/sysv/linux/powerpc/powerpc32/setcontext-common.S:
	Add cfi_offset for non-volatile gpr31 spill to the stack.
	* sysdeps/unix/sysv/linux/powerpc/powerpc64/clone.S: Add cfi_offset
	for non-volatiles gpr28 - grp31 spilled to the stack.
	* sysdeps/unix/sysv/linux/powerpc/powerpc64/getcontext.S: Add
	cfi_adjust_cfa_offset when a frame is stacked.
	* sysdeps/unix/sysv/linux/powerpc/powerpc64/setcontext.S:
	(__novec_setcontext) : Add cfi_offset for non-volatile gpr31 spill
	add LR saved to the stack.  Add cfi_adjust_cfa_offset when frame is
	stacked.
	(__setcontext) : Add cfi_offset for non-volatile gpr31 spill to
	the stack.
	* sysdeps/unix/sysv/linux/powerpc/powerpc64/swapcontext.S:
	(__novec_swapcontext) : Add cfi_offset for non-volatile gpr31 spill
	add LR saved to the stack.
	(__swapcontext) : Add cfi_offset for non-volatile gpr31 spill add LR
	saved to the stack.  Add cfi_adjust_cfa_offset when frame is stacked.
This commit is contained in:
Roland McGrath 2006-03-16 11:49:03 +00:00
parent 5c68d40169
commit 3e7e947f6b
10 changed files with 84 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

28
ChangeLog
View File

@ -1,3 +1,31 @@
2006-03-06 Steven Munroe <sjmunroe@us.ibm.com>
* sysdeps/powerpc/powerpc32/fpu/fprsave.S: Add cfi_offset for spilling
of non-volatile floating-point registers to the stack (fp14-fp31).
* sysdeps/powerpc/powerpc32/gprsave0.S: Add cfi_offset for spilling of
non-volatile general-purpose registers to the stack (gpr13-gpr31).
* sysdeps/powerpc/powerpc64/dl-trampoline.S: Add cfi_offset
for non-volatiles gpr30 - grp31 spilled to the stack.
* sysdeps/powerpc/powerpc64/memcpy.S: Add cfi_offset for non-volatile
gpr31 spill to the stack.
* sysdeps/unix/sysv/linux/powerpc/powerpc32/setcontext-common.S:
Add cfi_offset for non-volatile gpr31 spill to the stack.
* sysdeps/unix/sysv/linux/powerpc/powerpc64/clone.S: Add cfi_offset
for non-volatiles gpr28 - grp31 spilled to the stack.
* sysdeps/unix/sysv/linux/powerpc/powerpc64/getcontext.S: Add
cfi_adjust_cfa_offset when a frame is stacked.
* sysdeps/unix/sysv/linux/powerpc/powerpc64/setcontext.S:
(__novec_setcontext) : Add cfi_offset for non-volatile gpr31 spill
add LR saved to the stack. Add cfi_adjust_cfa_offset when frame is
stacked.
(__setcontext) : Add cfi_offset for non-volatile gpr31 spill to
the stack.
* sysdeps/unix/sysv/linux/powerpc/powerpc64/swapcontext.S:
(__novec_swapcontext) : Add cfi_offset for non-volatile gpr31 spill
add LR saved to the stack.
(__swapcontext) : Add cfi_offset for non-volatile gpr31 spill add LR
saved to the stack. Add cfi_adjust_cfa_offset when frame is stacked.
2006-03-07 Jakub Jelinek <jakub@redhat.com> 2006-03-07 Jakub Jelinek <jakub@redhat.com>
[BZ #2423] [BZ #2423]

18
sysdeps/powerpc/powerpc32/fpu/fprsave.S
View File

@ -27,68 +27,86 @@ ENTRY(_savefpr_all)
ASM_GLOBAL_DIRECTIVE C_TEXT(_savefpr_14) ASM_GLOBAL_DIRECTIVE C_TEXT(_savefpr_14)
C_TEXT(_savef14): C_TEXT(_savef14):
C_TEXT(_savefpr_14): stfd fp14,-144(r1) C_TEXT(_savefpr_14): stfd fp14,-144(r1)
cfi_offset(fp14,-144)
ASM_GLOBAL_DIRECTIVE C_TEXT(_savef15) ASM_GLOBAL_DIRECTIVE C_TEXT(_savef15)
ASM_GLOBAL_DIRECTIVE C_TEXT(_savefpr_15) ASM_GLOBAL_DIRECTIVE C_TEXT(_savefpr_15)
C_TEXT(_savef15): C_TEXT(_savef15):
C_TEXT(_savefpr_15): stfd fp15,-136(r1) C_TEXT(_savefpr_15): stfd fp15,-136(r1)
cfi_offset(fp15,-136)
ASM_GLOBAL_DIRECTIVE C_TEXT(_savef16) ASM_GLOBAL_DIRECTIVE C_TEXT(_savef16)
ASM_GLOBAL_DIRECTIVE C_TEXT(_savefpr_16) ASM_GLOBAL_DIRECTIVE C_TEXT(_savefpr_16)
C_TEXT(_savef16): C_TEXT(_savef16):
C_TEXT(_savefpr_16): stfd fp16,-128(r1) C_TEXT(_savefpr_16): stfd fp16,-128(r1)
cfi_offset(fp16,-128)
ASM_GLOBAL_DIRECTIVE C_TEXT(_savef17) ASM_GLOBAL_DIRECTIVE C_TEXT(_savef17)
ASM_GLOBAL_DIRECTIVE C_TEXT(_savefpr_17) ASM_GLOBAL_DIRECTIVE C_TEXT(_savefpr_17)
C_TEXT(_savef17): C_TEXT(_savef17):
C_TEXT(_savefpr_17): stfd fp17,-120(r1) C_TEXT(_savefpr_17): stfd fp17,-120(r1)
cfi_offset(fp17,-120)
ASM_GLOBAL_DIRECTIVE C_TEXT(_savef18) ASM_GLOBAL_DIRECTIVE C_TEXT(_savef18)
ASM_GLOBAL_DIRECTIVE C_TEXT(_savefpr_18) ASM_GLOBAL_DIRECTIVE C_TEXT(_savefpr_18)
C_TEXT(_savef18): C_TEXT(_savef18):
C_TEXT(_savefpr_18): stfd fp18,-112(r1) C_TEXT(_savefpr_18): stfd fp18,-112(r1)
cfi_offset(fp18,-112)
ASM_GLOBAL_DIRECTIVE C_TEXT(_savef19) ASM_GLOBAL_DIRECTIVE C_TEXT(_savef19)
ASM_GLOBAL_DIRECTIVE C_TEXT(_savefpr_19) ASM_GLOBAL_DIRECTIVE C_TEXT(_savefpr_19)
C_TEXT(_savef19): C_TEXT(_savef19):
C_TEXT(_savefpr_19): stfd fp19,-104(r1) C_TEXT(_savefpr_19): stfd fp19,-104(r1)
cfi_offset(fp19,-104)
ASM_GLOBAL_DIRECTIVE C_TEXT(_savef20) ASM_GLOBAL_DIRECTIVE C_TEXT(_savef20)
ASM_GLOBAL_DIRECTIVE C_TEXT(_savefpr_20) ASM_GLOBAL_DIRECTIVE C_TEXT(_savefpr_20)
C_TEXT(_savef20): C_TEXT(_savef20):
C_TEXT(_savefpr_20): stfd fp20,-96(r1) C_TEXT(_savefpr_20): stfd fp20,-96(r1)
cfi_offset(fp20,-96)
ASM_GLOBAL_DIRECTIVE C_TEXT(_savef21) ASM_GLOBAL_DIRECTIVE C_TEXT(_savef21)
ASM_GLOBAL_DIRECTIVE C_TEXT(_savefpr_21) ASM_GLOBAL_DIRECTIVE C_TEXT(_savefpr_21)
C_TEXT(_savef21): C_TEXT(_savef21):
C_TEXT(_savefpr_21): stfd fp21,-88(r1) C_TEXT(_savefpr_21): stfd fp21,-88(r1)
cfi_offset(fp21,-88)
ASM_GLOBAL_DIRECTIVE C_TEXT(_savef22) ASM_GLOBAL_DIRECTIVE C_TEXT(_savef22)
ASM_GLOBAL_DIRECTIVE C_TEXT(_savefpr_22) ASM_GLOBAL_DIRECTIVE C_TEXT(_savefpr_22)
C_TEXT(_savef22): C_TEXT(_savef22):
C_TEXT(_savefpr_22): stfd fp22,-80(r1) C_TEXT(_savefpr_22): stfd fp22,-80(r1)
cfi_offset(fp22,-80)
ASM_GLOBAL_DIRECTIVE C_TEXT(_savef23) ASM_GLOBAL_DIRECTIVE C_TEXT(_savef23)
ASM_GLOBAL_DIRECTIVE C_TEXT(_savefpr_23) ASM_GLOBAL_DIRECTIVE C_TEXT(_savefpr_23)
C_TEXT(_savef23): C_TEXT(_savef23):
C_TEXT(_savefpr_23): stfd fp23,-72(r1) C_TEXT(_savefpr_23): stfd fp23,-72(r1)
cfi_offset(fp23,-72)
ASM_GLOBAL_DIRECTIVE C_TEXT(_savef24) ASM_GLOBAL_DIRECTIVE C_TEXT(_savef24)
ASM_GLOBAL_DIRECTIVE C_TEXT(_savefpr_24) ASM_GLOBAL_DIRECTIVE C_TEXT(_savefpr_24)
C_TEXT(_savef24): C_TEXT(_savef24):
C_TEXT(_savefpr_24): stfd fp24,-64(r1) C_TEXT(_savefpr_24): stfd fp24,-64(r1)
cfi_offset(fp24,-64)
ASM_GLOBAL_DIRECTIVE C_TEXT(_savef25) ASM_GLOBAL_DIRECTIVE C_TEXT(_savef25)
ASM_GLOBAL_DIRECTIVE C_TEXT(_savefpr_25) ASM_GLOBAL_DIRECTIVE C_TEXT(_savefpr_25)
C_TEXT(_savef25): C_TEXT(_savef25):
C_TEXT(_savefpr_25): stfd fp25,-56(r1) C_TEXT(_savefpr_25): stfd fp25,-56(r1)
cfi_offset(fp25,-56)
ASM_GLOBAL_DIRECTIVE C_TEXT(_savef26) ASM_GLOBAL_DIRECTIVE C_TEXT(_savef26)
ASM_GLOBAL_DIRECTIVE C_TEXT(_savefpr_26) ASM_GLOBAL_DIRECTIVE C_TEXT(_savefpr_26)
C_TEXT(_savef26): C_TEXT(_savef26):
C_TEXT(_savefpr_26): stfd fp26,-48(r1) C_TEXT(_savefpr_26): stfd fp26,-48(r1)
cfi_offset(fp26,-48)
ASM_GLOBAL_DIRECTIVE C_TEXT(_savef27) ASM_GLOBAL_DIRECTIVE C_TEXT(_savef27)
ASM_GLOBAL_DIRECTIVE C_TEXT(_savefpr_27) ASM_GLOBAL_DIRECTIVE C_TEXT(_savefpr_27)
C_TEXT(_savef27): C_TEXT(_savef27):
C_TEXT(_savefpr_27): stfd fp27,-40(r1) C_TEXT(_savefpr_27): stfd fp27,-40(r1)
cfi_offset(fp27,-40)
ASM_GLOBAL_DIRECTIVE C_TEXT(_savef28) ASM_GLOBAL_DIRECTIVE C_TEXT(_savef28)
ASM_GLOBAL_DIRECTIVE C_TEXT(_savefpr_28) ASM_GLOBAL_DIRECTIVE C_TEXT(_savefpr_28)
C_TEXT(_savef28): C_TEXT(_savef28):
C_TEXT(_savefpr_28): stfd fp28,-32(r1) C_TEXT(_savefpr_28): stfd fp28,-32(r1)
cfi_offset(fp28,-32)
ASM_GLOBAL_DIRECTIVE C_TEXT(_savef29) ASM_GLOBAL_DIRECTIVE C_TEXT(_savef29)
ASM_GLOBAL_DIRECTIVE C_TEXT(_savefpr_29) ASM_GLOBAL_DIRECTIVE C_TEXT(_savefpr_29)
C_TEXT(_savef29): C_TEXT(_savef29):
C_TEXT(_savefpr_29): stfd fp29,-24(r1) #save f29 C_TEXT(_savefpr_29): stfd fp29,-24(r1) #save f29
stfd fp30,-16(r1) #save f30 stfd fp30,-16(r1) #save f30
stfd fp31,-8(r1) #save f31 stfd fp31,-8(r1) #save f31
cfi_offset(fp29,-24)
cfi_offset(fp30,-16)
cfi_offset(fp31,-8)
stw r0,8(r1) #save LR in callers frame stw r0,8(r1) #save LR in callers frame
blr #return blr #return
END (_savefpr_all) END (_savefpr_all)

19
sysdeps/powerpc/powerpc32/gprsave0.S
View File

@ -30,40 +30,59 @@
ENTRY(_savegpr0_all) ENTRY(_savegpr0_all)
ASM_GLOBAL_DIRECTIVE C_TEXT(_savegpr0_13) ASM_GLOBAL_DIRECTIVE C_TEXT(_savegpr0_13)
C_TEXT(_savegpr0_13): stw r13,-76(r1) C_TEXT(_savegpr0_13): stw r13,-76(r1)
cfi_offset(r13,-76)
ASM_GLOBAL_DIRECTIVE C_TEXT(_savegpr0_14) ASM_GLOBAL_DIRECTIVE C_TEXT(_savegpr0_14)
C_TEXT(_savegpr0_14): stw r14,-72(r1) C_TEXT(_savegpr0_14): stw r14,-72(r1)
cfi_offset(r14,-72)
ASM_GLOBAL_DIRECTIVE C_TEXT(_savegpr0_15) ASM_GLOBAL_DIRECTIVE C_TEXT(_savegpr0_15)
C_TEXT(_savegpr0_15): stw r15,-68(r1) C_TEXT(_savegpr0_15): stw r15,-68(r1)
cfi_offset(r15,-68)
ASM_GLOBAL_DIRECTIVE C_TEXT(_savegpr0_16) ASM_GLOBAL_DIRECTIVE C_TEXT(_savegpr0_16)
C_TEXT(_savegpr0_16): stw r16,-64(r1) C_TEXT(_savegpr0_16): stw r16,-64(r1)
cfi_offset(r16,-64)
ASM_GLOBAL_DIRECTIVE C_TEXT(_savegpr0_17) ASM_GLOBAL_DIRECTIVE C_TEXT(_savegpr0_17)
C_TEXT(_savegpr0_17): stw r17,-60(r1) C_TEXT(_savegpr0_17): stw r17,-60(r1)
cfi_offset(r17,-60)
ASM_GLOBAL_DIRECTIVE C_TEXT(_savegpr0_18) ASM_GLOBAL_DIRECTIVE C_TEXT(_savegpr0_18)
C_TEXT(_savegpr0_18): stw r18,-56(r1) C_TEXT(_savegpr0_18): stw r18,-56(r1)
cfi_offset(r18,-56)
ASM_GLOBAL_DIRECTIVE C_TEXT(_savegpr0_19) ASM_GLOBAL_DIRECTIVE C_TEXT(_savegpr0_19)
C_TEXT(_savegpr0_19): stw r19,-52(r1) C_TEXT(_savegpr0_19): stw r19,-52(r1)
cfi_offset(r19,-52)
ASM_GLOBAL_DIRECTIVE C_TEXT(_savegpr0_20) ASM_GLOBAL_DIRECTIVE C_TEXT(_savegpr0_20)
C_TEXT(_savegpr0_20): stw r20,-48(r1) C_TEXT(_savegpr0_20): stw r20,-48(r1)
cfi_offset(r20,-48)
ASM_GLOBAL_DIRECTIVE C_TEXT(_savegpr0_21) ASM_GLOBAL_DIRECTIVE C_TEXT(_savegpr0_21)
C_TEXT(_savegpr0_21): stw r21,-44(r1) C_TEXT(_savegpr0_21): stw r21,-44(r1)
cfi_offset(r21,-44)
ASM_GLOBAL_DIRECTIVE C_TEXT(_savegpr0_22) ASM_GLOBAL_DIRECTIVE C_TEXT(_savegpr0_22)
C_TEXT(_savegpr0_22): stw r22,-40(r1) C_TEXT(_savegpr0_22): stw r22,-40(r1)
cfi_offset(r22,-40)
ASM_GLOBAL_DIRECTIVE C_TEXT(_savegpr0_23) ASM_GLOBAL_DIRECTIVE C_TEXT(_savegpr0_23)
C_TEXT(_savegpr0_23): stw r23,-36(r1) C_TEXT(_savegpr0_23): stw r23,-36(r1)
cfi_offset(r23,-36)
ASM_GLOBAL_DIRECTIVE C_TEXT(_savegpr0_24) ASM_GLOBAL_DIRECTIVE C_TEXT(_savegpr0_24)
C_TEXT(_savegpr0_24): stw r24,-32(r1) C_TEXT(_savegpr0_24): stw r24,-32(r1)
cfi_offset(r24,-32)
ASM_GLOBAL_DIRECTIVE C_TEXT(_savegpr0_25) ASM_GLOBAL_DIRECTIVE C_TEXT(_savegpr0_25)
C_TEXT(_savegpr0_25): stw r25,-28(r1) C_TEXT(_savegpr0_25): stw r25,-28(r1)
cfi_offset(r25,-28)
ASM_GLOBAL_DIRECTIVE C_TEXT(_savegpr0_26) ASM_GLOBAL_DIRECTIVE C_TEXT(_savegpr0_26)
C_TEXT(_savegpr0_26): stw r26,-24(r1) C_TEXT(_savegpr0_26): stw r26,-24(r1)
cfi_offset(r26,-24)
ASM_GLOBAL_DIRECTIVE C_TEXT(_savegpr0_27) ASM_GLOBAL_DIRECTIVE C_TEXT(_savegpr0_27)
C_TEXT(_savegpr0_27): stw r27,-20(r1) C_TEXT(_savegpr0_27): stw r27,-20(r1)
cfi_offset(r27,-20)
ASM_GLOBAL_DIRECTIVE C_TEXT(_savegpr0_28) ASM_GLOBAL_DIRECTIVE C_TEXT(_savegpr0_28)
C_TEXT(_savegpr0_28): stw r28,-16(r1) C_TEXT(_savegpr0_28): stw r28,-16(r1)
cfi_offset(r28,-16)
ASM_GLOBAL_DIRECTIVE C_TEXT(_savegpr0_29) ASM_GLOBAL_DIRECTIVE C_TEXT(_savegpr0_29)
C_TEXT(_savegpr0_29): stw r29,-12(r1) #save r29 C_TEXT(_savegpr0_29): stw r29,-12(r1) #save r29
stw r30,-8(r1) #save r30 stw r30,-8(r1) #save r30
stw r31,-4(r1) #save r31 stw r31,-4(r1) #save r31
cfi_offset(r29,-12)
cfi_offset(r30,-8)
cfi_offset(r31,-4)
stw r0,8(r1) #save LR in callers frame stw r0,8(r1) #save LR in callers frame
blr #return blr #return
END (_savegpr0_all) END (_savegpr0_all)

2
sysdeps/powerpc/powerpc64/dl-trampoline.S
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@ -176,7 +176,9 @@ EALIGN(_dl_profile_resolve, 4, 0)
/* Spill r30, r31 to preserve the link_map* and reloc_addr, in case we /* Spill r30, r31 to preserve the link_map* and reloc_addr, in case we
need to call _dl_call_pltexit. */ need to call _dl_call_pltexit. */
std r31,-8(r1) std r31,-8(r1)
cfi_offset(r31,-8)
std r30,-16(r1) std r30,-16(r1)
cfi_offset(r30,-16)
/* We need to save the registers used to pass parameters, ie. r3 thru /* We need to save the registers used to pass parameters, ie. r3 thru
r10; the registers are saved in a stack frame. */ r10; the registers are saved in a stack frame. */
stdu r1,-FRAME_SIZE(r1) stdu r1,-FRAME_SIZE(r1)

3
sysdeps/powerpc/powerpc64/memcpy.S
View File

@ -1,5 +1,5 @@
/* Optimized memcpy implementation for PowerPC64. /* Optimized memcpy implementation for PowerPC64.
Copyright (C) 2003 Free Software Foundation, Inc. Copyright (C) 2003, 2006 Free Software Foundation, Inc.
This file is part of the GNU C Library. This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or The GNU C Library is free software; you can redistribute it and/or
@ -43,6 +43,7 @@ EALIGN (BP_SYM (memcpy), 5, 0)
neg 0,3 neg 0,3
std 3,-16(1) std 3,-16(1)
std 31,-8(1) std 31,-8(1)
cfi_offset(31,-8)
andi. 11,3,7 /* check alignement of dst. */ andi. 11,3,7 /* check alignement of dst. */
clrldi 0,0,61 /* Number of bytes until the 1st doubleword of dst. */ clrldi 0,0,61 /* Number of bytes until the 1st doubleword of dst. */
clrldi 10,4,61 /* check alignement of src. */ clrldi 10,4,61 /* check alignement of src. */

1
sysdeps/unix/sysv/linux/powerpc/powerpc32/setcontext-common.S
View File

@ -45,6 +45,7 @@ ENTRY(__CONTEXT_FUNC_NAME)
stw r0,20(r1) stw r0,20(r1)
cfi_offset (lr, _FRAME_LR_SAVE) cfi_offset (lr, _FRAME_LR_SAVE)
stw r31,12(r1) stw r31,12(r1)
cfi_offset(r31,-4)
lwz r31,_UC_REGS_PTR(r3) lwz r31,_UC_REGS_PTR(r3)
/* /*

4
sysdeps/unix/sysv/linux/powerpc/powerpc64/clone.S
View File

@ -52,8 +52,12 @@ ENTRY (BP_SYM (__clone))
std r29,56(r1) std r29,56(r1)
std r30,64(r1) std r30,64(r1)
std r31,72(r1) std r31,72(r1)
cfi_offset(r29,-56)
cfi_offset(r30,-64)
cfi_offset(r31,-72)
#ifdef RESET_PID #ifdef RESET_PID
std r28,48(r1) std r28,48(r1)
cfi_offset(r28,-48)
#endif #endif
/* Set up stack frame for child. */ /* Set up stack frame for child. */

1
sysdeps/unix/sysv/linux/powerpc/powerpc64/getcontext.S
View File

@ -144,6 +144,7 @@ ENTRY(__novec_getcontext)
std r0,FRAME_LR_SAVE(r1) std r0,FRAME_LR_SAVE(r1)
cfi_offset (lr, FRAME_LR_SAVE) cfi_offset (lr, FRAME_LR_SAVE)
stdu r1,-128(r1) stdu r1,-128(r1)
cfi_adjust_cfa_offset(128)
li r3,ENOSYS li r3,ENOSYS
bl JUMPTARGET(__syscall_error) bl JUMPTARGET(__syscall_error)
nop nop

4
sysdeps/unix/sysv/linux/powerpc/powerpc64/setcontext.S
View File

@ -33,6 +33,7 @@ ENTRY(__novec_setcontext)
#ifdef __ASSUME_NEW_RT_SIGRETURN_SYSCALL #ifdef __ASSUME_NEW_RT_SIGRETURN_SYSCALL
mflr r0 mflr r0
std r31,-8(1) std r31,-8(1)
cfi_offset(r31,-8)
std r0,FRAME_LR_SAVE(r1) std r0,FRAME_LR_SAVE(r1)
cfi_offset (lr, FRAME_LR_SAVE) cfi_offset (lr, FRAME_LR_SAVE)
stdu r1,-128(r1) stdu r1,-128(r1)
@ -169,7 +170,9 @@ L(nv_do_sigret):
/* If the kernel is not at least 2.4.21 then generate a ENOSYS stub. */ /* If the kernel is not at least 2.4.21 then generate a ENOSYS stub. */
mflr r0 mflr r0
std r0,FRAME_LR_SAVE(r1) std r0,FRAME_LR_SAVE(r1)
cfi_offset(lr,FRAME_LR_SAVE)
stdu r1,-128(r1) stdu r1,-128(r1)
cfi_adjust_cfa_offset(128)
li r3,ENOSYS li r3,ENOSYS
bl JUMPTARGET(__syscall_error) bl JUMPTARGET(__syscall_error)
nop nop
@ -201,6 +204,7 @@ ENTRY(__setcontext)
#ifdef __ASSUME_NEW_RT_SIGRETURN_SYSCALL #ifdef __ASSUME_NEW_RT_SIGRETURN_SYSCALL
mflr r0 mflr r0
std r31,-8(1) std r31,-8(1)
cfi_offset(r31,-8)
std r0,FRAME_LR_SAVE(r1) std r0,FRAME_LR_SAVE(r1)
cfi_offset (lr, FRAME_LR_SAVE) cfi_offset (lr, FRAME_LR_SAVE)
stdu r1,-128(r1) stdu r1,-128(r1)

5
sysdeps/unix/sysv/linux/powerpc/powerpc64/swapcontext.S
View File

@ -35,6 +35,7 @@ ENTRY(__novec_swapcontext)
std r1,(SIGCONTEXT_GP_REGS+(PT_R1*8))(r3) std r1,(SIGCONTEXT_GP_REGS+(PT_R1*8))(r3)
mflr r0 mflr r0
std r31,-8(1) std r31,-8(1)
cfi_offset(r31,-8)
std r2,(SIGCONTEXT_GP_REGS+(PT_R2*8))(r3) std r2,(SIGCONTEXT_GP_REGS+(PT_R2*8))(r3)
std r0,FRAME_LR_SAVE(r1) std r0,FRAME_LR_SAVE(r1)
cfi_offset (lr, FRAME_LR_SAVE) cfi_offset (lr, FRAME_LR_SAVE)
@ -264,6 +265,7 @@ L(nv_do_sigret):
/* If the kernel is not at least 2.4.21 then generate a ENOSYS stub. */ /* If the kernel is not at least 2.4.21 then generate a ENOSYS stub. */
mflr r0 mflr r0
std r0,FRAME_LR_SAVE(r1) std r0,FRAME_LR_SAVE(r1)
cfi_offset(lr,FRAME_LR_SAVE)
stdu r1,-128(r1) stdu r1,-128(r1)
li r3,ENOSYS li r3,ENOSYS
bl JUMPTARGET(__syscall_error) bl JUMPTARGET(__syscall_error)
@ -298,11 +300,14 @@ ENTRY(__swapcontext)
std r1,(SIGCONTEXT_GP_REGS+(PT_R1*8))(r3) std r1,(SIGCONTEXT_GP_REGS+(PT_R1*8))(r3)
mflr r0 mflr r0
std r31,-8(1) std r31,-8(1)
cfi_offset(r31,-8)
std r2,(SIGCONTEXT_GP_REGS+(PT_R2*8))(r3) std r2,(SIGCONTEXT_GP_REGS+(PT_R2*8))(r3)
std r0,FRAME_LR_SAVE(r1) std r0,FRAME_LR_SAVE(r1)
cfi_offset (lr, FRAME_LR_SAVE)
std r0,(SIGCONTEXT_GP_REGS+(PT_LNK*8))(r3) std r0,(SIGCONTEXT_GP_REGS+(PT_LNK*8))(r3)
std r0,(SIGCONTEXT_GP_REGS+(PT_NIP*8))(r3) std r0,(SIGCONTEXT_GP_REGS+(PT_NIP*8))(r3)
stdu r1,-128(r1) stdu r1,-128(r1)
cfi_adjust_cfa_offset(128)
std r4,(SIGCONTEXT_GP_REGS+(PT_R4*8))(r3) std r4,(SIGCONTEXT_GP_REGS+(PT_R4*8))(r3)
std r5,(SIGCONTEXT_GP_REGS+(PT_R5*8))(r3) std r5,(SIGCONTEXT_GP_REGS+(PT_R5*8))(r3)
std r6,(SIGCONTEXT_GP_REGS+(PT_R6*8))(r3) std r6,(SIGCONTEXT_GP_REGS+(PT_R6*8))(r3)