diff options
Diffstat (limited to 'src/libthread/OpenBSD-386-asm.s')
| -rw-r--r-- | src/libthread/OpenBSD-386-asm.s | 99 |
1 files changed, 0 insertions, 99 deletions
diff --git a/src/libthread/OpenBSD-386-asm.s b/src/libthread/OpenBSD-386-asm.s index 1a59436f..dad1b536 100644 --- a/src/libthread/OpenBSD-386-asm.s +++ b/src/libthread/OpenBSD-386-asm.s @@ -1,100 +1 @@ #include "FreeBSD-386-asm.s" - -/* - * Copyright (c) 2000 Peter Wemm <peter@FreeBSD.org> - * All rights reserved. - * - * 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. - * - * THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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 AUTHOR 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. - */ - -#include <sys/syscall.h> -#include <machine/asm.h> - -ENTRY(rfork_thread) - pushl %ebp - movl %esp, %ebp - pushl %esi - - /* - * Push thread info onto the new thread's stack - */ - movl 12(%ebp), %esi # get stack addr - - subl $4, %esi - movl 20(%ebp), %eax # get start argument - movl %eax, (%esi) - - subl $4, %esi - movl 16(%ebp), %eax # get start thread address - movl %eax, (%esi) - - /* - * Prepare and execute the thread creation syscall - */ - pushl 8(%ebp) - pushl $0 - movl $SYS_rfork, %eax - int $0x80 - jb 2f - - /* - * Check to see if we are in the parent or child - */ - cmpl $0, %edx - jnz 1f - addl $8, %esp - popl %esi - movl %ebp, %esp - popl %ebp - ret - .p2align 2 - - /* - * If we are in the child (new thread), then - * set-up the call to the internal subroutine. If it - * returns, then call __exit. - */ -1: - movl %esi,%esp - popl %eax - call *%eax - addl $4, %esp - - /* - * Exit system call - */ - pushl %eax - pushl $0 - movl $SYS_exit, %eax - int $0x80 - - /* - * Branch here if the thread creation fails: - */ -2: - addl $8, %esp - popl %esi - movl %ebp, %esp - popl %ebp - PIC_PROLOGUE - jmp PIC_PLT(_C_LABEL(__cerror)) - |