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>.

7 files changed, 130 insertions, 1 deletions

diff --git a/linuxthreads/sysdeps/pthread/bits/libc-lock.h b/linuxthreads/sysdeps/pthread/bits/libc-lock.h
index bb0472d453..136b1a8a64 100644
--- a/linuxthreads/sysdeps/pthread/bits/libc-lock.h
+++ b/linuxthreads/sysdeps/pthread/bits/libc-lock.h
@@ -116,12 +116,33 @@ typedef pthread_key_t __libc_key_t;
 
 /* Initialize the named lock variable, leaving it in a consistent, unlocked
    state.  */
+#if defined _LIBC && !defined NOT_IN_libc && defined SHARED
+#define __libc_lock_init(NAME) \
+  ({									      \
+    (NAME).__m_count = 0;						      \
+    (NAME).__m_owner = NULL;						      \
+    (NAME).__m_kind = PTHREAD_MUTEX_TIMED_NP;				      \
+    (NAME).__m_lock.__status = 0;					      \
+    (NAME).__m_lock.__spinlock = __LT_SPINLOCK_INIT;			      \
+    0; })
+#else
 #define __libc_lock_init(NAME) \
   (__libc_maybe_call2 (pthread_mutex_init, (&(NAME), NULL), 0))
+#endif
 #define __libc_rwlock_init(NAME) \
   (__libc_maybe_call (__pthread_rwlock_init, (&(NAME), NULL), 0));
 
 /* Same as last but this time we initialize a recursive mutex.  */
+#if defined _LIBC && !defined NOT_IN_libc && defined SHARED
+#define __libc_lock_init_recursive(NAME) \
+  ({									      \
+    (NAME).mutex.__m_count = 0;						      \
+    (NAME).mutex.__m_owner = NULL;					      \
+    (NAME).mutex.__m_kind = PTHREAD_MUTEX_RECURSIVE_NP;			      \
+    (NAME).mutex.__m_lock.__status = 0;					      \
+    (NAME).mutex.__m_lock.__spinlock = __LT_SPINLOCK_INIT;		      \
+    0; })
+#else
 #define __libc_lock_init_recursive(NAME) \
   do {									      \
     if (__pthread_mutex_init != NULL)					      \
@@ -133,6 +154,7 @@ typedef pthread_key_t __libc_key_t;
 	__pthread_mutexattr_destroy (&__attr);				      \
       }									      \
   } while (0);
+#endif
 #define __rtld_lock_init_recursive(NAME) \
   __libc_lock_init_recursive (NAME)
 
diff --git a/linuxthreads/sysdeps/unix/sysv/linux/alpha/vfork.S b/linuxthreads/sysdeps/unix/sysv/linux/alpha/vfork.S
index c057bd2bfa..2481de9a12 100644
--- a/linuxthreads/sysdeps/unix/sysv/linux/alpha/vfork.S
+++ b/linuxthreads/sysdeps/unix/sysv/linux/alpha/vfork.S
@@ -27,11 +27,25 @@ __LABEL(__vfork)
 	.prologue 1
 	PSEUDO_PROF
 	SINGLE_THREAD_P(t0)
+#ifdef SHARED
 	bne	t0, HIDDEN_JUMPTARGET (__fork) !samegp
+#else
+	bne	t0, $hidden_fork
+#endif
 	lda	v0, SYS_ify(vfork)
 	call_pal PAL_callsys
+#ifdef SHARED
 	bne	a3, __syscall_error !samegp
+#else
+	bne	a3, $syscall_error
+#endif
 	ret
+#ifndef SHARED
+$hidden_fork:
+	jmp	zero, HIDDEN_JUMPTARGET (__fork)
+$syscall_error:
+	jmp	zero, __syscall_error
+#endif
 PSEUDO_END(__vfork)
 libc_hidden_def (__vfork)
 
diff --git a/linuxthreads/sysdeps/unix/sysv/linux/arm/vfork.S b/linuxthreads/sysdeps/unix/sysv/linux/arm/vfork.S
index 6092bd9fd4..8d3338afd0 100644
--- a/linuxthreads/sysdeps/unix/sysv/linux/arm/vfork.S
+++ b/linuxthreads/sysdeps/unix/sysv/linux/arm/vfork.S
@@ -32,9 +32,9 @@ rocess,
 
 ENTRY (__vfork)
 
-#ifdef __NR_vfork
 	SINGLE_THREAD_P
 	bne	HIDDEN_JUMPTARGET (__fork)
+#ifdef __NR_vfork
 	swi	__NR_vfork
 	cmn	a1, #4096
 	RETINSTR(movcc, pc, lr)
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)
diff --git a/linuxthreads/sysdeps/unix/sysv/linux/sparc/sparc32/vfork.S b/linuxthreads/sysdeps/unix/sysv/linux/sparc/sparc32/vfork.S
index adf7b220be..9378bd8522 100644
--- a/linuxthreads/sysdeps/unix/sysv/linux/sparc/sparc32/vfork.S
+++ b/linuxthreads/sysdeps/unix/sysv/linux/sparc/sparc32/vfork.S
@@ -23,7 +23,11 @@
 ENTRY(__vfork)
 	ld	[%g6 + MULTIPLE_THREADS_OFFSET], %o0
 	cmp	%o0, 0
+#ifdef SHARED
 	bne	HIDDEN_JUMPTARGET(__fork)
+#else
+	bne	1f
+#endif
 	 mov	__NR_vfork, %g1
 	ta 0x10;
 	bcs	__syscall_error_handler
@@ -31,6 +35,11 @@ ENTRY(__vfork)
 	sub	%o1, 1, %o1
 	retl
 	 and	%o0, %o1, %o0
+#ifndef SHARED
+1:	mov	%o7, %g1
+	call	HIDDEN_JUMPTARGET(__fork)
+	 mov	%g1, %o7
+#endif
 	SYSCALL_ERROR_HANDLER
 PSEUDO_END (__vfork)
 libc_hidden_def (__vfork)
diff --git a/linuxthreads/sysdeps/unix/sysv/linux/sparc/sparc64/vfork.S b/linuxthreads/sysdeps/unix/sysv/linux/sparc/sparc64/vfork.S
index e4ea9180cf..bcfcedfc2d 100644
--- a/linuxthreads/sysdeps/unix/sysv/linux/sparc/sparc64/vfork.S
+++ b/linuxthreads/sysdeps/unix/sysv/linux/sparc/sparc64/vfork.S
@@ -22,7 +22,12 @@
 	.text
 ENTRY(__vfork)
 	ld	[%g6 + MULTIPLE_THREADS_OFFSET], %o0
+#ifdef SHARED
+	cmp	%o0, 0
 	bne	HIDDEN_JUMPTARGET (__fork)
+#else
+	brnz,pn	%o0, 1f
+#endif
 	 mov	__NR_vfork, %g1
 	ta	0x6d
 	bcs,pn	%xcc, __syscall_error_handler
@@ -30,6 +35,11 @@ ENTRY(__vfork)
 	sub	%o1, 1, %o1
 	retl
 	 and	%o0, %o1, %o0
+#ifndef SHARED
+1:	mov	%o7, %g1
+	call	HIDDEN_JUMPTARGET(__fork)
+	 mov	%g1, %o7
+#endif
 	SYSCALL_ERROR_HANDLER
 PSEUDO_END (__vfork)
 libc_hidden_def (__vfork)