xref: /csrg-svn/lib/libc/tahoe/sys/sigreturn.s (revision 61190)
129494Ssam/*
2*61190Sbostic * Copyright (c) 1983, 1993
3*61190Sbostic *	The Regents of the University of California.  All rights reserved.
434389Sbostic *
542648Sbostic * %sccs.include.redist.c%
629494Ssam */
729494Ssam
834389Sbostic#if defined(SYSLIBC_SCCS) && !defined(lint)
9*61190Sbostic	.asciz "@(#)sigreturn.s	8.1 (Berkeley) 06/04/93"
1034389Sbostic#endif /* SYSLIBC_SCCS and not lint */
1129494Ssam
1229494Ssam#include "SYS.h"
1329494Ssam
1429494Ssam/*
1529494Ssam * We must preserve the state of the registers as the user has set them up.
1629494Ssam */
1729494Ssam#ifdef PROF
1829494Ssam#define	POPR(r)	movl (sp)+,r
1929494Ssam#undef ENTRY
2029494Ssam#define	ENTRY(x) \
2129494Ssam	.globl _/**/x; .align 2; _/**/x: .word 0; \
2229494Ssam	pushl r0; pushl r1; pushl r2; pushl r3; pushl r4; pushl r5; \
2329494Ssam	.data; 1:; .long 0; .text; pushl $1b; callf $8,mcount; \
2429494Ssam	POPR(r5); POPR(r4); POPR(r3); POPR(r2); POPR(r1); POPR(r0);
2529494Ssam#endif PROF
2629494Ssam
2729494SsamSYSCALL(sigreturn)
2829494Ssam	ret
29