diff options
Diffstat (limited to 'lib/libc/i386/gen/sigsetjmp.S')
-rw-r--r-- | lib/libc/i386/gen/sigsetjmp.S | 125 |
1 files changed, 0 insertions, 125 deletions
diff --git a/lib/libc/i386/gen/sigsetjmp.S b/lib/libc/i386/gen/sigsetjmp.S deleted file mode 100644 index 1220598..0000000 --- a/lib/libc/i386/gen/sigsetjmp.S +++ /dev/null @@ -1,125 +0,0 @@ -/*- - * Copyright (c) 1990 The Regents of the University of California. - * All rights reserved. - * - * This code is derived from software contributed to Berkeley by - * William Jolitz. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * 3. All advertising materials mentioning features or use of this software - * must display the following acknowledgement: - * This product includes software developed by the University of - * California, Berkeley and its contributors. - * 4. Neither the name of the University nor the names of its contributors - * may be used to endorse or promote products derived from this software - * without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND - * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE - * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS - * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) - * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT - * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY - * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF - * SUCH DAMAGE. - * - * $Id$ - */ - -#if defined(LIBC_RCS) && !defined(lint) - .text - .asciz "$Id$" -#endif /* LIBC_RCS and not lint */ - -#include "DEFS.h" -#include "SYS.h" - -/*- - * TODO: - * Rename sigsetjmp to __sigsetjmp and siglongjmp to __siglongjmp, - * remove the other *jmp functions and define everything in terms - * of the renamed functions. This requires compiler support for - * the renamed functions (introduced in gcc-2.5.3; previous versions - * only supported *jmp with 0 or 1 leading underscores). - * - * Use sigprocmask() instead of sigblock() and sigsetmask(), and - * check for and handle errors. - * - * Restore _all_ the registers and the signal mask atomically. Can - * use sigreturn() if sigreturn() works. - */ - -#ifdef _THREAD_SAFE -ENTRY(_thread_sys_sigsetjmp) -#else -ENTRY(sigsetjmp) -#endif - movl 8(%esp),%eax - movl 4(%esp),%ecx - movl %eax,32(%ecx) - testl %eax,%eax - jz 2f - PIC_PROLOGUE - pushl $0 -#ifdef _THREAD_SAFE - call PIC_PLT(CNAME(_thread_sys_sigblock)) -#else - call PIC_PLT(CNAME(sigblock)) -#endif - addl $4,%esp - PIC_EPILOGUE - movl 4(%esp),%ecx - movl %eax,24(%ecx) -2: movl 0(%esp),%edx - movl %edx, 0(%ecx) - movl %ebx, 4(%ecx) - movl %esp, 8(%ecx) - movl %ebp,12(%ecx) - movl %esi,16(%ecx) - movl %edi,20(%ecx) - fnstcw 28(%ecx) - xorl %eax,%eax - ret - -#ifdef _THREAD_SAFE -ENTRY(_thread_sys_siglongjmp) -#else -ENTRY(siglongjmp) -#endif - movl 4(%esp),%edx - cmpl $0,32(%edx) - jz 2f - PIC_PROLOGUE - pushl 24(%edx) -#ifdef _THREAD_SAFE - call PIC_PLT(CNAME(_thread_sys_sigsetmask)) -#else - call PIC_PLT(CNAME(sigsetmask)) -#endif - addl $4,%esp - PIC_EPILOGUE -2: movl 4(%esp),%edx - movl 8(%esp),%eax - movl 0(%edx),%ecx - movl 4(%edx),%ebx - movl 8(%edx),%esp - movl 12(%edx),%ebp - movl 16(%edx),%esi - movl 20(%edx),%edi - fninit - fldcw 28(%edx) - testl %eax,%eax - jnz 1f - incl %eax -1: movl %ecx,0(%esp) - ret |