35 lines
1.1 KiB
ArmAsm
35 lines
1.1 KiB
ArmAsm
#
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# arch/ppc/setjmp.S
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#
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# Basic setjmp/longjmp implementation
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# This file was derived from the equivalent file in NetBSD
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#
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.text
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.align 4
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.type setjmp,@function
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.globl setjmp
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setjmp:
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mflr %r11 /* save return address */
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mfcr %r12 /* save condition register */
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mr %r10,%r1 /* save stack pointer */
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mr %r9,%r2 /* save GPR2 (not needed) */
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stmw %r9,0(%r3) /* save r9..r31 */
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li %r3,0 /* indicate success */
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blr /* return */
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.size setjmp,.-setjmp
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.type longjmp,@function
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.globl longjmp
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longjmp:
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lmw %r9,0(%r3) /* save r9..r31 */
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mtlr %r11 /* restore LR */
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mtcr %r12 /* restore CR */
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mr %r2,%r9 /* restore GPR2 (not needed) */
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mr %r1,%r10 /* restore stack */
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mr %r3,%r4 /* get return value */
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blr /* return */
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.size longjmp,.-longjmp
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