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authorUlrich Drepper <drepper@redhat.com>2003-01-15 01:23:02 +0000
committerUlrich Drepper <drepper@redhat.com>2003-01-15 01:23:02 +0000
commit574b892ef1054ea999a136b3cb2321a65e3f1a17 (patch)
tree4457b51f3d0318c24de35da02ce2d90ac818beb8 /linuxthreads/sysdeps/unix/sysv/linux/powerpc
parent086311a933ff53f8c064d833e69fe228bc7e8886 (diff)
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Update.
2003-01-14 Guido Guenther <agx@sigxcpu.org> * sysdeps/unix/sysv/linux/mips/sysdep.h (INTERNAL_SYSCALL, INTERNAL_SYSCALL_DECL, INTERNAL_SYSCALL_ERRNO, INTERNAL_SYSCALL_ERROR_P, INLINE_SYSCALL): Define. 2003-01-14 Steven Munroe <sjmunroe@us.ibm.com> * sysdeps/unix/sysv/linux/powerpc/powerpc64/sysdep.h (INTERNAL_SYSCALL): Make use of ERR parameter. (INTERNAL_SYSCALL_DECL, INTERNAL_SYSCALL_ERRNO, INTERNAL_SYSCALL_ERROR_P): Adjust accordingly. (INLINE_SYSCALL): Make use of INTERNAL_SYSCALL. * sysdeps/unix/sysv/linux/powerpc/powerpc64/vfork.S: New file. Patch by Denis Zaitsev <zzz@cd-club.ru>. that %eax is modified. Reported by Denis Zaitsev <zzz@cd-club.ru>.
Diffstat (limited to 'linuxthreads/sysdeps/unix/sysv/linux/powerpc')
-rw-r--r--linuxthreads/sysdeps/unix/sysv/linux/powerpc/powerpc32/vfork.S15
-rw-r--r--linuxthreads/sysdeps/unix/sysv/linux/powerpc/powerpc64/vfork.S59
2 files changed, 74 insertions, 0 deletions
diff --git a/linuxthreads/sysdeps/unix/sysv/linux/powerpc/powerpc32/vfork.S b/linuxthreads/sysdeps/unix/sysv/linux/powerpc/powerpc32/vfork.S
index f62d3f44c3..17590059b6 100644
--- a/linuxthreads/sysdeps/unix/sysv/linux/powerpc/powerpc32/vfork.S
+++ b/linuxthreads/sysdeps/unix/sysv/linux/powerpc/powerpc32/vfork.S
@@ -31,7 +31,11 @@ ENTRY (__vfork)
#ifdef __NR_vfork
SINGLE_THREAD_P
+# ifdef SHARED
bne- HIDDEN_JUMPTARGET(__fork)
+# else
+ bne- .Lhidden_fork
+# endif
DO_CALL (SYS_ify (vfork));
@@ -41,7 +45,11 @@ ENTRY (__vfork)
bnslr+
/* Check if vfork syscall is known at all. */
cmpwi r3,ENOSYS
+# ifdef SHARED
bne JUMPTARGET(__syscall_error)
+# else
+ bne .Lsyscall_error
+# endif
# endif
#endif
@@ -53,6 +61,13 @@ ENTRY (__vfork)
PSEUDO_RET
#endif
+# ifndef SHARED
+.Lhidden_fork:
+ b HIDDEN_JUMPTARGET(__fork)
+.Lsyscall_error:
+ b JUMPTARGET(__syscall_error)
+# endif
+
PSEUDO_END (__vfork)
libc_hidden_def (__vfork)
diff --git a/linuxthreads/sysdeps/unix/sysv/linux/powerpc/powerpc64/vfork.S b/linuxthreads/sysdeps/unix/sysv/linux/powerpc/powerpc64/vfork.S
new file mode 100644
index 0000000000..8b2f806f93
--- /dev/null
+++ b/linuxthreads/sysdeps/unix/sysv/linux/powerpc/powerpc64/vfork.S
@@ -0,0 +1,59 @@
+/* Copyright (C) 2003 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ 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>
+#define _ERRNO_H 1
+#include <bits/errno.h>
+#include <kernel-features.h>
+
+/* Clone the calling process, but without copying the whole address space.
+ The calling process is suspended until the new process exits or is
+ replaced by a call to `execve'. Return -1 for errors, 0 to the new process,
+ and the process ID of the new process to the old process. */
+
+ENTRY (__vfork)
+
+#ifdef __NR_vfork
+
+ SINGLE_THREAD_P
+ bne- HIDDEN_JUMPTARGET(__fork)
+
+ DO_CALL (SYS_ify (vfork));
+
+# ifdef __ASSUME_VFORK_SYSCALL
+ PSEUDO_RET
+# else
+ bnslr+
+ /* Check if vfork syscall is known at all. */
+ cmpdi r3,ENOSYS
+ bne JUMPTARGET(__syscall_error)
+
+# endif
+#endif
+
+#ifndef __ASSUME_VFORK_SYSCALL
+ /* If we don't have vfork, fork is close enough. */
+
+ DO_CALL (SYS_ify (fork));
+ PSEUDO_RET
+#endif
+
+PSEUDO_END (__vfork)
+libc_hidden_def (__vfork)
+
+weak_alias (__vfork, vfork)