4 # Basic setjmp/longjmp implementation
5 # This file was derived from the equivalent file in NetBSD
10 .type setjmp,@function
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 */
23 .type longjmp,@function
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 */
34 .size longjmp,.-longjmp