1234567891011121314151617181920212223242526272829303132333435363738394041424344454647484950515253 |
- /* Copyright (C) 1997, 1999 Free Software Foundation, Inc.
- This file is part of the GNU C Library.
- Contributed by Miguel de Icaza <miguel@gnu.ai.mit.edu>, 1997.
- The GNU C Library is free software; you can redistribute it and/or
- modify it under the terms of the GNU Lesser General Public
- License as published by the Free Software Foundation; either
- version 2.1 of the License, or (at your option) any later version.
- The GNU C Library is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- Lesser General Public License for more details.
- You should have received a copy of the GNU Lesser General Public
- License along with the GNU C Library; if not, see
- <http://www.gnu.org/licenses/>. */
- /* Code taken from glibc2.2.2/sysdeps/unix/sysv/linux/sparc/vfork.S */
- #include <features.h>
- #include <sys/syscall.h>
- .text
- .global fork
- #ifdef __UCLIBC_HAS_THREADS__
- .weak fork
- #endif
- .type fork,%function
- .align 4
- fork:
- mov __NR_fork, %g1
- ta 0x10
- bcc,a 9000f
- nop
- save %sp,-96,%sp
- call HIDDEN_JUMPTARGET(__errno_location)
- nop
- st %i0,[%o0]
- jmpl %i7+8,%g0
- restore %g0,-1,%o0
- 9000:
- sub %o1, 1, %o1
- retl
- and %o0, %o1, %o0
- .size fork,.-fork
- #ifdef __UCLIBC_HAS_THREADS__
- strong_alias(fork,__libc_fork)
- #endif
- libc_hidden_def(fork)
|