/* Copyright (c) 2016, 2019, 2022 Dennis Wölfing
 *
 * Permission to use, copy, modify, and/or distribute this software for any
 * purpose with or without fee is hereby granted, provided that the above
 * copyright notice and this permission notice appear in all copies.
 *
 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 */

/* libc/src/arch/i686/rfork.S
 * Creates a new process. (called from C89)
 */

.global __rfork
.type __rfork, @function
__rfork:
    push %ebp
    mov %esp, %ebp
    sub $4, %esp

    mov %gs:0, %eax
    push %eax # tlsbase
    push $0 # esp
    pushf # eflags
    push $1f # eip
    push %ebp
    push %edi
    push %esi
    push %edx
    push %ecx
    push %ebx
    push $0 # eax

    push %esp
    push 8(%ebp)

    call __regfork
1:  leave
    ret
.size __rfork, . - __rfork
.weak rfork
.set rfork, __rfork
