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- /* Copyright (C) 2003 Free Software Foundation, Inc.
- This file is part of the GNU C Library.
- Contributed by Jakub Jelinek <jakub@redhat.com>, 2003.
- 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, write to the Free
- Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
- 02111-1307 USA. */
- #include <sysdep-cancel.h>
- .text
- #ifdef SHARED
- .LLGETPC0:
- retl
- add %o7, %o0, %o0
- #endif
- ENTRY(__vfork)
- #ifdef SHARED
- mov %o7, %o1
- sethi %hi(_GLOBAL_OFFSET_TABLE_-4), %o0
- call .LLGETPC0
- add %o0, %lo(_GLOBAL_OFFSET_TABLE_+4), %o0
- sethi %hi(__libc_pthread_functions), %o2
- mov %o1, %o7
- or %o2, %lo(__libc_pthread_functions), %o2
- ld [%o0 + %o2], %o2
- ld [%o2], %o2
- cmp %o2, 0
- #else
- .weak pthread_create
- sethi %hi(pthread_create), %o0
- orcc %o0, %lo(pthread_create), %o0
- #endif
- #if defined SHARED && !defined BROKEN_SPARC_WDISP22
- bne HIDDEN_JUMPTARGET(__fork)
- #else
- bne 1f
- #endif
- mov __NR_vfork, %g1
- ta 0x10
- bcs __syscall_error_handler
- nop
- sub %o1, 1, %o1
- retl
- and %o0, %o1, %o0
- #if !defined SHARED || defined BROKEN_SPARC_WDISP22
- 1: mov %o7, %g1
- call HIDDEN_JUMPTARGET(__fork)
- mov %g1, %o7
- #endif
- SYSCALL_ERROR_HANDLER
- PSEUDO_END (__vfork)
- libc_hidden_def (__vfork)
- weak_alias (__vfork, vfork)
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