diff options
Diffstat (limited to 'lib/libc/amd64/gen/sigsetjmp.S')
| -rw-r--r-- | lib/libc/amd64/gen/sigsetjmp.S | 89 |
1 files changed, 89 insertions, 0 deletions
diff --git a/lib/libc/amd64/gen/sigsetjmp.S b/lib/libc/amd64/gen/sigsetjmp.S new file mode 100644 index 0000000..6c24386 --- /dev/null +++ b/lib/libc/amd64/gen/sigsetjmp.S @@ -0,0 +1,89 @@ +/*- + * 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. + * + * + * from: @(#)setjmp.s 5.1 (Berkeley) 4/23/90" + * $Id: sigsetjmp.S,v 1.1 1993/12/05 13:01:05 ats Exp $ + */ + +#if defined(LIBC_SCCS) && !defined(lint) + .text + .asciz "$Id: sigsetjmp.S,v 1.1 1993/12/05 13:01:05 ats Exp $" +#endif /* LIBC_SCCS and not lint */ + +#include "DEFS.h" +#include "SYS.h" + +ENTRY(sigsetjmp) + movl 8(%esp),%eax + movl 4(%esp),%ecx + movl %eax,24(%ecx) + testl %eax,%eax + jz 1f + pushl $0 + call PIC_PLT(_sigblock) + addl $4,%esp + movl 4(%esp),%ecx + movl %eax,28(%ecx) +1: 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) + xorl %eax,%eax + ret + +ENTRY(siglongjmp) + movl 4(%esp),%edx + cmpl $0,24(%edx) + jz 1f + pushl 28(%edx) + call PIC_PLT(_sigsetmask) + addl $4,%esp +1: 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 + testl %eax,%eax + jnz 2f + incl %eax +2: movl %ecx,0(%esp) + ret |
