1/* 2 * Copyright (c) 1983 Regents of the University of California. 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms are permitted 6 * provided that this notice is preserved and that due credit is given 7 * to the University of California at Berkeley. The name of the University 8 * may not be used to endorse or promote products derived from this 9 * software without specific written prior permission. This software 10 * is provided ``as is'' without express or implied warranty. 11 */ 12 13#if defined(SYSLIBC_SCCS) && !defined(lint) 14_sccsid:.asciz "@(#)sigreturn.s 5.2 (Berkeley) 05/20/88" 15#endif /* SYSLIBC_SCCS and not lint */ 16 17#include "SYS.h" 18 19/* 20 * We must preserve the state of the registers as the user has set them up. 21 */ 22#ifdef PROF 23#define POPR(r) movl (sp)+,r 24#undef ENTRY 25#define ENTRY(x) \ 26 .globl _/**/x; .align 2; _/**/x: .word 0; \ 27 pushl r0; pushl r1; pushl r2; pushl r3; pushl r4; pushl r5; \ 28 .data; 1:; .long 0; .text; pushl $1b; callf $8,mcount; \ 29 POPR(r5); POPR(r4); POPR(r3); POPR(r2); POPR(r1); POPR(r0); 30#endif PROF 31 32SYSCALL(sigreturn) 33 ret 34