os_BSD_386_2.s (1019B)
1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ 2 /* This Source Code Form is subject to the terms of the Mozilla Public 3 * License, v. 2.0. If a copy of the MPL was not distributed with this 4 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ 5 6 /* 7 * os_BSD_386_2.s 8 * We need to define our own setjmp/longjmp on BSDI 2.x because libc's 9 * implementation does some sanity checking that defeats user level threads. 10 * This should no longer be necessary in BSDI 3.0. 11 */ 12 13 .globl _setjmp 14 .align 2 15 _setjmp: 16 movl 4(%esp),%eax 17 movl 0(%esp),%edx 18 movl %edx, 0(%eax) /* rta */ 19 movl %ebx, 4(%eax) 20 movl %esp, 8(%eax) 21 movl %ebp,12(%eax) 22 movl %esi,16(%eax) 23 movl %edi,20(%eax) 24 movl $0,%eax 25 ret 26 27 .globl _longjmp 28 .align 2 29 _longjmp: 30 movl 4(%esp),%edx 31 movl 8(%esp),%eax 32 movl 0(%edx),%ecx 33 movl 4(%edx),%ebx 34 movl 8(%edx),%esp 35 movl 12(%edx),%ebp 36 movl 16(%edx),%esi 37 movl 20(%edx),%edi 38 cmpl $0,%eax 39 jne 1f 40 movl $1,%eax 41 1: movl %ecx,0(%esp) 42 ret