about summary refs log tree commit diff
path: root/linuxthreads/sysdeps/unix/sysv/linux/powerpc
diff options
context:
space:
mode:
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)
downloadglibc-574b892ef1054ea999a136b3cb2321a65e3f1a17.tar.gz
glibc-574b892ef1054ea999a136b3cb2321a65e3f1a17.tar.xz
glibc-574b892ef1054ea999a136b3cb2321a65e3f1a17.zip
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)