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authorUlrich Drepper <drepper@redhat.com>2003-01-12 19:40:05 +0000
committerUlrich Drepper <drepper@redhat.com>2003-01-12 19:40:05 +0000
commitb398ae3c6da325b334319d061eaa84226dbe3141 (patch)
tree6c7ce13c00d967edc189823d27e73fe36239527e /linuxthreads/sysdeps/unix/sysv/linux/powerpc
parentaddb5f3176382693f987f0f44f3708f610d2e984 (diff)
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Update.
2002-01-12  Franz Sirl  <Franz.Sirl-kernel@lauterbach.com>

	* sysdeps/unix/sysv/linux/kernel-features.h (__ASSUME_VFORK_SYSCALL):
	Define for powerpc.
	* sysdeps/unix/sysv/linux/powerpc/syscall.S: Take register alignment
	into account.
	* sysdeps/unix/sysv/linux/powerpc/powerpc32/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/powerpc32/vfork.S: New file.

2002-01-09  Richard Henderson  <rth@redhat.com>

	* sysdeps/alpha/dl-machine.h (elf_machine_rela): Compute
	DTPREL64 and TPREL64 without loadbase applied.

2002-01-09  Richard Henderson  <rth@redhat.com>

	* sysdeps/unix/alpha/sysdep.S: Use correct definition of errno
	for NOT_IN_libc.

	* sysdeps/unix/sysv/linux/alpha/sysdep.h: Move inline syscall bits...
	* sysdeps/unix/alpha/sysdep.h: ... here.
	(PSEUDO_LOADGP): Remove.
	(PSEUDO_PROLOGUE): Load GP in non-pic case.
	(SYSCALL_ERROR_LABEL): New.
	(PSEUDO): Use it in error branch.
	(PSEUDO_END): Add $syscall_error label.
Diffstat (limited to 'linuxthreads/sysdeps/unix/sysv/linux/powerpc')
-rw-r--r--linuxthreads/sysdeps/unix/sysv/linux/powerpc/powerpc32/vfork.S59
1 files changed, 59 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
new file mode 100644
index 0000000000..f62d3f44c3
--- /dev/null
+++ b/linuxthreads/sysdeps/unix/sysv/linux/powerpc/powerpc32/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.  */
+	cmpwi	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)