arch/ppc/setjmp.S

#
# arch/ppc/setjmp.S
#
# Basic setjmp/longjmp implementation
# This file was derived from the equivalent file in NetBSD
#

	.text
	.align 4
	.type setjmp,@function
	.globl setjmp
setjmp:
        mflr    %r11                    /* save return address */
        mfcr    %r12                    /* save condition register */
        mr      %r10,%r1                /* save stack pointer */
        mr      %r9,%r2                 /* save GPR2 (not needed) */
        stmw    %r9,0(%r3)              /* save r9..r31 */
        li      %r3,0                   /* indicate success */
        blr                             /* return */

	.size setjmp,.-setjmp

	.type longjmp,@function
	.globl longjmp
longjmp:
        lmw     %r9,0(%r3)              /* save r9..r31 */
        mtlr    %r11                    /* restore LR */
        mtcr    %r12                    /* restore CR */
        mr      %r2,%r9                 /* restore GPR2 (not needed) */
        mr      %r1,%r10                /* restore stack */
        mr      %r3,%r4                 /* get return value */
        blr                             /* return */

	.size longjmp,.-longjmp
1	#
2	# arch/ppc/setjmp.S
3	#
4	# Basic setjmp/longjmp implementation
5	# This file was derived from the equivalent file in NetBSD
6	#
7
8	.text
9	.align 4
10	.type setjmp,@function
11	.globl setjmp
12	setjmp:
13	mflr %r11 /* save return address */
14	mfcr %r12 /* save condition register */
15	mr %r10,%r1 /* save stack pointer */
16	mr %r9,%r2 /* save GPR2 (not needed) */
17	stmw %r9,0(%r3) /* save r9..r31 */
18	li %r3,0 /* indicate success */
19	blr /* return */
20
21	.size setjmp,.-setjmp
22
23	.type longjmp,@function
24	.globl longjmp
25	longjmp:
26	lmw %r9,0(%r3) /* save r9..r31 */
27	mtlr %r11 /* restore LR */
28	mtcr %r12 /* restore CR */
29	mr %r2,%r9 /* restore GPR2 (not needed) */
30	mr %r1,%r10 /* restore stack */
31	mr %r3,%r4 /* get return value */
32	blr /* return */
33
34	.size longjmp,.-longjmp