1/*- 2 * Copyright (c) 1990 The Regents of the University of California. 3 * All rights reserved. 4 * 5 * This code is derived from software contributed to Berkeley by 6 * William Jolitz. 7 * 8 * Redistribution and use in source and binary forms, with or without --- 19 unchanged lines hidden (view full) --- 28 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 29 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 30 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 31 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 32 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 33 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 34 * SUCH DAMAGE. 35 * |
36 * $Id: setjmp.S,v 1.4 1996/01/22 00:00:53 julian Exp $ |
37 */ 38 39#if defined(LIBC_RCS) && !defined(lint) 40 .text |
41 .asciz "$Id: setjmp.S,v 1.4 1996/01/22 00:00:53 julian Exp $" |
42#endif /* LIBC_RCS and not lint */ 43 44/* 45 * C library -- _setjmp, _longjmp 46 * 47 * longjmp(a,v) 48 * will generate a "return(v)" from the last call to 49 * setjmp(a) --- 4 unchanged lines hidden (view full) --- 54#include "DEFS.h" 55#include "SYS.h" 56 57#ifdef _THREAD_SAFE 58ENTRY(_thread_sys_setjmp) 59#else 60ENTRY(setjmp) 61#endif |
62 PIC_PROLOGUE |
63 pushl $0 64#ifdef _THREAD_SAFE |
65 call PIC_PLT(CNAME(_thread_sys_sigblock)) |
66#else |
67 call PIC_PLT(CNAME(sigblock)) |
68#endif 69 popl %edx |
70 PIC_EPILOGUE |
71 movl 4(%esp),%ecx 72 movl 0(%esp),%edx 73 movl %edx, 0(%ecx) 74 movl %ebx, 4(%ecx) 75 movl %esp, 8(%ecx) 76 movl %ebp,12(%ecx) 77 movl %esi,16(%ecx) 78 movl %edi,20(%ecx) 79 movl %eax,24(%ecx) 80 fnstcw 28(%ecx) 81 xorl %eax,%eax 82 ret 83 84#ifdef _THREAD_SAFE 85ENTRY(_thread_sys_longjmp) 86#else 87ENTRY(longjmp) 88#endif 89 movl 4(%esp),%edx |
90 PIC_PROLOGUE |
91 pushl 24(%edx) 92#ifdef _THREAD_SAFE |
93 call PIC_PLT(CNAME(_thread_sys_sigsetmask)) |
94#else |
95 call PIC_PLT(CNAME(sigsetmask)) /* XXX this is not reentrant */ |
96#endif 97 popl %eax |
98 PIC_EPILOGUE |
99 movl 4(%esp),%edx 100 movl 8(%esp),%eax 101 movl 0(%edx),%ecx 102 movl 4(%edx),%ebx 103 movl 8(%edx),%esp 104 movl 12(%edx),%ebp 105 movl 16(%edx),%esi 106 movl 20(%edx),%edi 107 fninit 108 fldcw 28(%edx) 109 testl %eax,%eax 110 jnz 1f 111 incl %eax 1121: movl %ecx,0(%esp) 113 ret |