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Diffstat (limited to 'libpthread/linuxthreads/sysdeps/unix/sysv/linux/sparc/vfork.S')
-rw-r--r--libpthread/linuxthreads/sysdeps/unix/sysv/linux/sparc/vfork.S64
1 files changed, 64 insertions, 0 deletions
diff --git a/libpthread/linuxthreads/sysdeps/unix/sysv/linux/sparc/vfork.S b/libpthread/linuxthreads/sysdeps/unix/sysv/linux/sparc/vfork.S
new file mode 100644
index 000000000..ab2286ee8
--- /dev/null
+++ b/libpthread/linuxthreads/sysdeps/unix/sysv/linux/sparc/vfork.S
@@ -0,0 +1,64 @@
+/* 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, see
+ <http://www.gnu.org/licenses/>. */
+
+#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)