105 lines
2.9 KiB
Plaintext
105 lines
2.9 KiB
Plaintext
$OpenBSD: patch-src_libthread_OpenBSD-386-asm_S,v 1.1 2012/06/27 10:43:07 pascal Exp $
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--- src/libthread/OpenBSD-386-asm.S.orig Wed Jun 27 12:35:57 2012
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+++ src/libthread/OpenBSD-386-asm.S Wed Jun 27 12:36:12 2012
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@@ -1,100 +1 @@
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#include "FreeBSD-386-asm.s"
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-
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-/*
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- * Copyright (c) 2000 Peter Wemm <peter@FreeBSD.org>
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- * All rights reserved.
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- *
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- * Redistribution and use in source and binary forms, with or without
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- * modification, are permitted provided that the following conditions
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- * are met:
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- * 1. Redistributions of source code must retain the above copyright
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- * notice, this list of conditions and the following disclaimer.
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- * 2. Redistributions in binary form must reproduce the above copyright
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- * notice, this list of conditions and the following disclaimer in the
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- * documentation and/or other materials provided with the distribution.
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- *
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- * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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- * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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- * SUCH DAMAGE.
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- */
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-
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-#include <sys/syscall.h>
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-#include <machine/asm.h>
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-
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-ENTRY(rfork_thread)
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- pushl %ebp
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- movl %esp, %ebp
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- pushl %esi
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-
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- /*
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- * Push thread info onto the new thread's stack
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- */
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- movl 12(%ebp), %esi # get stack addr
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-
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- subl $4, %esi
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- movl 20(%ebp), %eax # get start argument
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- movl %eax, (%esi)
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-
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- subl $4, %esi
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- movl 16(%ebp), %eax # get start thread address
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- movl %eax, (%esi)
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-
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- /*
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- * Prepare and execute the thread creation syscall
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- */
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- pushl 8(%ebp)
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- pushl $0
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- movl $SYS_rfork, %eax
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- int $0x80
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- jb 2f
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-
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- /*
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- * Check to see if we are in the parent or child
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- */
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- cmpl $0, %edx
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- jnz 1f
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- addl $8, %esp
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- popl %esi
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- movl %ebp, %esp
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- popl %ebp
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- ret
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- .p2align 2
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-
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- /*
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- * If we are in the child (new thread), then
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- * set-up the call to the internal subroutine. If it
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- * returns, then call __exit.
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- */
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-1:
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- movl %esi,%esp
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- popl %eax
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- call *%eax
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- addl $4, %esp
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-
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- /*
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- * Exit system call
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- */
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- pushl %eax
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- pushl $0
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- movl $SYS_exit, %eax
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- int $0x80
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-
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- /*
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- * Branch here if the thread creation fails:
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- */
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-2:
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- addl $8, %esp
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- popl %esi
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- movl %ebp, %esp
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- popl %ebp
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- PIC_PROLOGUE
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- jmp PIC_PLT(_C_LABEL(__cerror))
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-
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