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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
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1
sysdeps/unix/sysv/linux/powerpc/powerpc32/setcontext-common.S
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@ -45,6 +45,7 @@ ENTRY(__CONTEXT_FUNC_NAME)
stw r0,20(r1)
cfi_offset (lr, _FRAME_LR_SAVE)
stw r31,12(r1)
cfi_offset(r31,-4)
lwz r31,_UC_REGS_PTR(r3)
/*

4
sysdeps/unix/sysv/linux/powerpc/powerpc64/clone.S
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@ -52,8 +52,12 @@ ENTRY (BP_SYM (__clone))
std r29,56(r1)
std r30,64(r1)
std r31,72(r1)
cfi_offset(r29,-56)
cfi_offset(r30,-64)
cfi_offset(r31,-72)
#ifdef RESET_PID
std r28,48(r1)
cfi_offset(r28,-48)
#endif
/* 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)
cfi_offset (lr, FRAME_LR_SAVE)
stdu r1,-128(r1)
cfi_adjust_cfa_offset(128)
li r3,ENOSYS
bl JUMPTARGET(__syscall_error)
nop

4
sysdeps/unix/sysv/linux/powerpc/powerpc64/setcontext.S
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@ -33,6 +33,7 @@ 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)
@ -169,7 +170,9 @@ 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
@ -201,6 +204,7 @@ 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)

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)
mflr r0
std r31,-8(1)
cfi_offset(r31,-8)
std r2,(SIGCONTEXT_GP_REGS+(PT_R2*8))(r3)
std r0,FRAME_LR_SAVE(r1)
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. */
mflr r0
std r0,FRAME_LR_SAVE(r1)
cfi_offset(lr,FRAME_LR_SAVE)
stdu r1,-128(r1)
li r3,ENOSYS
bl JUMPTARGET(__syscall_error)
@ -298,11 +300,14 @@ ENTRY(__swapcontext)
std r1,(SIGCONTEXT_GP_REGS+(PT_R1*8))(r3)
mflr r0
std r31,-8(1)
cfi_offset(r31,-8)
std r2,(SIGCONTEXT_GP_REGS+(PT_R2*8))(r3)
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_NIP*8))(r3)
stdu r1,-128(r1)
cfi_adjust_cfa_offset(128)
std r4,(SIGCONTEXT_GP_REGS+(PT_R4*8))(r3)
std r5,(SIGCONTEXT_GP_REGS+(PT_R5*8))(r3)
std r6,(SIGCONTEXT_GP_REGS+(PT_R6*8))(r3)