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#
# arch/ppc64/setjmp.S
#
# Basic setjmp/longjmp implementation
#
.text
.balign 4
.globl setjmp
#if _CALL_ELF == 2
.type setjmp,@function
setjmp:
#else
.section ".opd","aw"
.balign 8
setjmp:
.quad .setjmp, .TOC.@tocbase, 0
.previous
.type .setjmp,@function
.globl .setjmp
.setjmp:
#endif
mflr %r11 /* save return address */
mfcr %r12 /* save condition register */
std %r2,0(%r3) /* save TOC pointer (not needed) */
stdu %r1,8(%r3) /* save stack pointer */
stdu %r11,8(%r3)
stdu %r12,8(%r3)
stdu %r13,8(%r3) /* save caller saved regs */
stdu %r14,8(%r3)
stdu %r15,8(%r3)
stdu %r16,8(%r3)
stdu %r17,8(%r3)
stdu %r18,8(%r3)
stdu %r19,8(%r3)
stdu %r20,8(%r3)
stdu %r21,8(%r3)
stdu %r22,8(%r3)
stdu %r23,8(%r3)
stdu %r24,8(%r3)
stdu %r25,8(%r3)
stdu %r26,8(%r3)
stdu %r27,8(%r3)
stdu %r28,8(%r3)
stdu %r29,8(%r3)
stdu %r30,8(%r3)
std %r31,8(%r3)
li %r3,0 /* indicate success */
blr /* return */
#if _CALL_ELF == 2
.size setjmp,.-setjmp
#else
.size setjmp,.-.setjmp
#endif
.text
.balign 4
.globl longjmp
#if _CALL_ELF == 2
.type longjmp,@function
longjmp:
#else
.section ".opd","aw"
.balign 8
longjmp:
.quad .longjmp, .TOC.@tocbase, 0
.previous
.type .longjmp,@function
.globl .longjmp
.longjmp:
#endif
ld %r2,0(%r3) /* restore TOC pointer (not needed) */
ldu %r1,8(%r3) /* restore stack */
ldu %r11,8(%r3)
ldu %r12,8(%r3)
ldu %r13,8(%r3) /* restore caller saved regs */
ldu %r14,8(%r3)
ldu %r15,8(%r3)
ldu %r16,8(%r3)
ldu %r17,8(%r3)
ldu %r18,8(%r3)
ldu %r19,8(%r3)
ldu %r20,8(%r3)
ldu %r21,8(%r3)
ldu %r22,8(%r3)
ldu %r23,8(%r3)
ldu %r24,8(%r3)
ldu %r25,8(%r3)
ldu %r26,8(%r3)
ldu %r27,8(%r3)
ldu %r28,8(%r3)
ldu %r29,8(%r3)
ldu %r30,8(%r3)
ld %r31,8(%r3)
mtlr %r11 /* restore LR */
mtcr %r12 /* restore CR */
mr %r3,%r4 /* get return value */
blr /* return */
#if _CALL_ELF == 2
.size longjmp,.-longjmp
#else
.size longjmp,.-.longjmp
#endif
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