shithub: purgatorio

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ref: 01338076d1a3610858f41fcbcdc7e46fb1109b77
parent: 248c637d25154f762a7d675662c405a169594ca0
author: henesy <devnull@localhost>
date: Sat Feb 29 19:02:43 EST 2020

fix lost file

--- a/emu/OpenBSD/rfork_thread.S	Sat Feb 29 19:01:28 2020
+++ /dev/null	Thu Aug 19 14:51:23 2021
@@ -1,104 +0,0 @@
-/*-
- * 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.
- */
-
-/*
- *                8      12          16         20
- * rfork_thread(flags, stack_addr, start_fnc, start_arg);
- *
- * flags:		Flags to rfork system call.  See rfork(2).
- * stack_addr:		Top of stack for thread.
- * start_fnc:		Address of thread function to call in child.
- * start_arg:		Argument to pass to the thread function in child.
- */
-
-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_threxit, %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))