diff options
Diffstat (limited to 'libpthread/nptl/sysdeps/unix/sysv/linux/sparc/vfork.S')
| -rw-r--r-- | libpthread/nptl/sysdeps/unix/sysv/linux/sparc/vfork.S | 53 |
1 files changed, 48 insertions, 5 deletions
diff --git a/libpthread/nptl/sysdeps/unix/sysv/linux/sparc/vfork.S b/libpthread/nptl/sysdeps/unix/sysv/linux/sparc/vfork.S index 160cd0b10..71f0662a2 100644 --- a/libpthread/nptl/sysdeps/unix/sysv/linux/sparc/vfork.S +++ b/libpthread/nptl/sysdeps/unix/sysv/linux/sparc/vfork.S @@ -1,5 +1,48 @@ -#if defined(__arch64__) -#include "sparc64/vfork.S" -#else -#include "sparc32/vfork.S" -#endif +/* Copyright (C) 2004 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Jakub Jelinek <jakub@redhat.com>, 2004. + + 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/>. */ + +#include <sysdep.h> +#include <tcb-offsets.h> + + .text + .globl __syscall_error +ENTRY(__vfork) + ld [%g7 + PID], %o5 + cmp %o5, 0 + bne 1f + sub %g0, %o5, %o4 + sethi %hi(0x80000000), %o4 +1: st %o4, [%g7 + PID] + + LOADSYSCALL(vfork) + ta 0x10 + bcc 2f + mov %o7, %g1 + st %o5, [%g7 + PID] + call __syscall_error + mov %g1, %o7 +2: sub %o1, 1, %o1 + andcc %o0, %o1, %o0 + bne,a 1f + st %o5, [%g7 + PID] +1: retl + nop +END(__vfork) + +libc_hidden_def (vfork) +weak_alias (__vfork, vfork) |