| 0,0 → 1,89 |
|---|
| /* This is file is a merger of SETJMP.S and LONGJMP.S */ |
| /* |
| * This file was modified to use the __USER_LABEL_PREFIX__ and |
| * __REGISTER_PREFIX__ macros defined by later versions of GNU cpp by |
| * Joel Sherrill (joel@OARcorp.com) |
| * Slight change: now includes i386mach.h for this (Werner Almesberger) |
| * |
| * Copyright (C) 1991 DJ Delorie |
| * All rights reserved. |
| * |
| * Redistribution and use in source and binary forms is permitted |
| * provided that the above copyright notice and following paragraph are |
| * duplicated in all such forms. |
| * |
| * This file is distributed WITHOUT ANY WARRANTY; without even the implied |
| * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. |
| */ |
| |
| /* |
| ** jmp_buf: |
| ** eax ebx ecx edx esi edi ebp esp eip |
| ** 0 4 8 12 16 20 24 28 32 |
| */ |
| |
| #include "i386mach.h" |
| |
| .global SYM (setjmp) |
| .global SYM (longjmp) |
| SOTYPE_FUNCTION(setjmp) |
| SOTYPE_FUNCTION(longjmp) |
| |
| .def _setjmp; .scl 2; .type 32; .endef |
| |
| SYM (setjmp): |
| |
| pushl ebp |
| movl esp,ebp |
| |
| pushl edi |
| movl 8 (ebp),edi |
| |
| movl eax,0 (edi) |
| movl ebx,4 (edi) |
| movl ecx,8 (edi) |
| movl edx,12 (edi) |
| movl esi,16 (edi) |
| |
| movl -4 (ebp),eax |
| movl eax,20 (edi) |
| |
| movl 0 (ebp),eax |
| movl eax,24 (edi) |
| |
| movl esp,eax |
| addl $12,eax |
| movl eax,28 (edi) |
| |
| movl 4 (ebp),eax |
| movl eax,32 (edi) |
| |
| popl edi |
| movl $0,eax |
| leave |
| ret |
| |
| .def _longjmp; .scl 2; .type 32; .endef |
| |
| SYM (longjmp): |
| pushl ebp |
| movl esp,ebp |
| |
| movl 8(ebp),edi /* get jmp_buf */ |
| movl 12(ebp),eax /* store retval in j->eax */ |
| movl eax,0(edi) |
| |
| movl 24(edi),ebp |
| |
| movl 28(edi),esp |
| |
| pushl 32(edi) |
| |
| movl 0(edi),eax |
| movl 4(edi),ebx |
| movl 8(edi),ecx |
| movl 12(edi),edx |
| movl 16(edi),esi |
| movl 20(edi),edi |
| |
| ret |