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| author | "Steven J. Hill" <sjhill@realitydiluted.com> | 2006-02-23 02:35:04 +0000 |
|---|---|---|
| committer | "Steven J. Hill" <sjhill@realitydiluted.com> | 2006-02-23 02:35:04 +0000 |
| commit | 0f2c86bee22bc756814129b430b0687c7e23df81 (patch) | |
| tree | 34bf3df7ba73405de13432cd82002540c073fc05 /libpthread/linuxthreads/sysdeps/unix/sysv/linux/sparc/sparc32/vfork.S | |
| parent | d8284756b901217626556772ea91a3839a3ebfb4 (diff) | |
| download | uClibc-alpine-0f2c86bee22bc756814129b430b0687c7e23df81.tar.bz2 uClibc-alpine-0f2c86bee22bc756814129b430b0687c7e23df81.tar.xz | |
Copy from trunk.
Diffstat (limited to 'libpthread/linuxthreads/sysdeps/unix/sysv/linux/sparc/sparc32/vfork.S')
| -rw-r--r-- | libpthread/linuxthreads/sysdeps/unix/sysv/linux/sparc/sparc32/vfork.S | 65 |
1 files changed, 65 insertions, 0 deletions
diff --git a/libpthread/linuxthreads/sysdeps/unix/sysv/linux/sparc/sparc32/vfork.S b/libpthread/linuxthreads/sysdeps/unix/sysv/linux/sparc/sparc32/vfork.S new file mode 100644 index 000000000..132da67a1 --- /dev/null +++ b/libpthread/linuxthreads/sysdeps/unix/sysv/linux/sparc/sparc32/vfork.S @@ -0,0 +1,65 @@ +/* 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) |