| setjmp.S (50476) | setjmp.S (51794) |
|---|---|
| 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 * | 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 * $FreeBSD: head/lib/libc/i386/gen/setjmp.S 50476 1999-08-28 00:22:10Z peter $ | 36 * $FreeBSD: head/lib/libc/i386/gen/setjmp.S 51794 1999-09-29 15:18:46Z marcel $ |
| 37 */ 38 39#if defined(LIBC_RCS) && !defined(lint) 40 .text | 37 */ 38 39#if defined(LIBC_RCS) && !defined(lint) 40 .text |
| 41 .asciz "$FreeBSD: head/lib/libc/i386/gen/setjmp.S 50476 1999-08-28 00:22:10Z peter $" | 41 .asciz "$FreeBSD: head/lib/libc/i386/gen/setjmp.S 51794 1999-09-29 15:18:46Z marcel $" |
| 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) 50 * by restoring registers from the environment 'a'. 51 * The previous signal state is restored. 52 */ 53 54#include "DEFS.h" 55#include "SYS.h" 56 57ENTRY(setjmp) 58 PIC_PROLOGUE | 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) 50 * by restoring registers from the environment 'a'. 51 * The previous signal state is restored. 52 */ 53 54#include "DEFS.h" 55#include "SYS.h" 56 57ENTRY(setjmp) 58 PIC_PROLOGUE |
| 59 pushl $0 | 59 movl 4(%esp),%ecx 60 leal 28(%ecx), %eax 61 pushl %eax /* (sigset_t*)oset */ 62 pushl $0 /* (sigset_t*)set */ 63 pushl $1 /* SIG_BLOCK */ |
| 60#ifdef _THREAD_SAFE | 64#ifdef _THREAD_SAFE |
| 61 call PIC_PLT(CNAME(_thread_sys_sigblock)) | 65 call PIC_PLT(CNAME(_thread_sys_sigprocmask)) |
| 62#else | 66#else |
| 63 call PIC_PLT(CNAME(sigblock)) | 67 call PIC_PLT(CNAME(sigprocmask)) |
| 64#endif | 68#endif |
| 65 popl %edx | 69 addl $12,%esp |
| 66 PIC_EPILOGUE | 70 PIC_EPILOGUE |
| 67 movl 4(%esp),%ecx | 71 movl 4(%esp),%ecx |
| 68 movl 0(%esp),%edx 69 movl %edx, 0(%ecx) 70 movl %ebx, 4(%ecx) 71 movl %esp, 8(%ecx) 72 movl %ebp,12(%ecx) 73 movl %esi,16(%ecx) 74 movl %edi,20(%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) |
| 75 movl %eax,24(%ecx) 76 fnstcw 28(%ecx) | 79 fnstcw 24(%ecx) |
| 77 xorl %eax,%eax 78 ret 79 80ENTRY(longjmp) 81 movl 4(%esp),%edx 82 PIC_PROLOGUE | 80 xorl %eax,%eax 81 ret 82 83ENTRY(longjmp) 84 movl 4(%esp),%edx 85 PIC_PROLOGUE |
| 83 pushl 24(%edx) | 86 pushl $0 /* (sigset_t*)oset */ 87 leal 28(%edx), %eax 88 pushl %eax /* (sigset_t*)set */ 89 pushl $3 /* SIG_SETMASK */ |
| 84#ifdef _THREAD_SAFE | 90#ifdef _THREAD_SAFE |
| 85 call PIC_PLT(CNAME(_thread_sys_sigsetmask)) | 91 call PIC_PLT(CNAME(_thread_sys_sigprocmask)) |
| 86#else | 92#else |
| 87 call PIC_PLT(CNAME(sigsetmask)) /* XXX this is not reentrant */ | 93 call PIC_PLT(CNAME(sigprocmask)) |
| 88#endif | 94#endif |
| 89 popl %eax | 95 addl $12,%esp |
| 90 PIC_EPILOGUE 91 movl 4(%esp),%edx 92 movl 8(%esp),%eax 93 movl 0(%edx),%ecx 94 movl 4(%edx),%ebx 95 movl 8(%edx),%esp 96 movl 12(%edx),%ebp 97 movl 16(%edx),%esi 98 movl 20(%edx),%edi 99 fninit | 96 PIC_EPILOGUE 97 movl 4(%esp),%edx 98 movl 8(%esp),%eax 99 movl 0(%edx),%ecx 100 movl 4(%edx),%ebx 101 movl 8(%edx),%esp 102 movl 12(%edx),%ebp 103 movl 16(%edx),%esi 104 movl 20(%edx),%edi 105 fninit |
| 100 fldcw 28(%edx) | 106 fldcw 24(%edx) |
| 101 testl %eax,%eax 102 jnz 1f 103 incl %eax 1041: movl %ecx,0(%esp) 105 ret | 107 testl %eax,%eax 108 jnz 1f 109 incl %eax 1101: movl %ecx,0(%esp) 111 ret |