1/* 2 * Copyright (c) 1983, 1993 3 * The Regents of the University of California. All rights reserved. 4 * 5 * %sccs.include.redist.c% 6 */ 7 8#if defined(SYSLIBC_SCCS) && !defined(lint) 9 .asciz "@(#)sigreturn.s 8.1 (Berkeley) 06/04/93" 10#endif /* SYSLIBC_SCCS and not lint */ 11 12#include "SYS.h" 13 14/* 15 * We must preserve the state of the registers as the user has set them up. 16 */ 17#ifdef PROF 18#define POPR(r) movl (sp)+,r 19#undef ENTRY 20#define ENTRY(x) \ 21 .globl _/**/x; .align 2; _/**/x: .word 0; \ 22 pushl r0; pushl r1; pushl r2; pushl r3; pushl r4; pushl r5; \ 23 .data; 1:; .long 0; .text; pushl $1b; callf $8,mcount; \ 24 POPR(r5); POPR(r4); POPR(r3); POPR(r2); POPR(r1); POPR(r0); 25#endif PROF 26 27SYSCALL(sigreturn) 28 ret 29