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37 lines
565 B
ArmAsm
37 lines
565 B
ArmAsm
/* $NetBSD: _setjmp.S,v 1.1 1997/03/29 20:55:53 thorpej Exp $ */
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#include <machine/asm.h>
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#if (defined(LIBC_SCCS) || defined(LIBC_RCS)) && !defined(lint)
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.text
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.asciz "$FreeBSD$"
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#endif
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/*
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* C library -- _setjmp, _longjmp
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*
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* _longjmp(a,v)
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* will generate a "return(v?v:1)" from the last call to
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* _setjmp(a)
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* by restoring registers from the stack.
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* The previous signal state is NOT restored.
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*/
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ENTRY(_setjmp)
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mflr 11
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mfcr 12
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mr 10,1
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mr 9,2
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stmw 9,8(3)
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li 3,0
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blr
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ENTRY(_longjmp)
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lmw 9,8(3)
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mtlr 11
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mtcr 12
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mr 2,9
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mr 1,10
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mr 3,4
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blr
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