Consolidate sparc clone, fork, and vfork implementations.

	* nptl/sysdeps/unix/sysv/linux/sparc/sparc32/clone.S: Delete.
	* nptl/sysdeps/unix/sysv/linux/sparc/sparc32/pt-vfork.S: Delete.
	* nptl/sysdeps/unix/sysv/linux/sparc/sparc32/vfork.S: Moved ...
	* sysdeps/unix/sysv/linux/sparc/sparc32/vfork.S: ... here.
	* nptl/sysdeps/unix/sysv/linux/sparc/sparc64/clone.S: Delete.
	* nptl/sysdeps/unix/sysv/linux/sparc/sparc64/pt-vfork.S: Delete.
	* nptl/sysdeps/unix/sysv/linux/sparc/sparc64/vfork.S: Moved ...
	* sysdeps/unix/sysv/linux/sparc/sparc64/vfork.S: ... here.
	* sysdeps/unix/sysv/linux/sparc/fork.S: Delete.
	* sysdeps/unix/sysv/linux/sparc/pt-vfork.S: New file.
	* sysdeps/unix/sysv/linux/sparc/sparc32/clone.S (__thread_start):
	Remove RESET_PID cpp guards.
	* sysdeps/unix/sysv/linux/sparc/sparc64/clone.S (__thread_start):
	Remove RESET_PID cpp guards.
	* sysdeps/unix/sysv/linux/sparc/vfork.S: Delete.

5 files changed, 59 insertions, 21 deletions

diff --git a/sysdeps/unix/sysv/linux/sparc/pt-vfork.S b/sysdeps/unix/sysv/linux/sparc/pt-vfork.S
new file mode 100644
index 0000000..65cc382
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/sparc/pt-vfork.S
@@ -0,0 +1 @@
+#include <sysdeps/unix/sysv/linux/alpha/pt-vfork.S>
diff --git a/sysdeps/unix/sysv/linux/sparc/sparc32/clone.S b/sysdeps/unix/sysv/linux/sparc/sparc32/clone.S
index e007d5d..66d34f3 100644
--- a/sysdeps/unix/sysv/linux/sparc/sparc32/clone.S
+++ b/sysdeps/unix/sysv/linux/sparc/sparc32/clone.S
@@ -80,7 +80,6 @@ END(__clone)
 
 	.type	__thread_start,@function
 __thread_start:
-#ifdef RESET_PID
 	sethi	%hi(CLONE_THREAD), %l0
 	andcc	%g4, %l0, %g0
 	bne	1f
@@ -93,7 +92,6 @@ __thread_start:
 	st	%o0,[%g7 + PID]
 	st	%o0,[%g7 + TID]
 1:
-#endif
 	mov	%g0, %fp	/* terminate backtrace */
 	call	%g2
 	 mov	%g3,%o0
diff --git a/sysdeps/unix/sysv/linux/sparc/vfork.S b/sysdeps/unix/sysv/linux/sparc/sparc32/vfork.S
index 09c073e..549769a 100644
--- a/sysdeps/unix/sysv/linux/sparc/vfork.S
+++ b/sysdeps/unix/sysv/linux/sparc/sparc32/vfork.S
@@ -1,6 +1,6 @@
-/* Copyright (C) 1999-2014 Free Software Foundation, Inc.
+/* Copyright (C) 2004-2014 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
-   Contributed by Jakub Jelinek <jj@ultra.linux.cz>, 1999.
+   Contributed by Jakub Jelinek <jakub@redhat.com>, 2004.
 
    The GNU C Library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
@@ -17,12 +17,33 @@
    <http://www.gnu.org/licenses/>.  */
 
 #include <sysdep.h>
+#include <tcb-offsets.h>
 
-PSEUDO (__vfork, vfork, 0)
-	sub	%o1, 1, %o1
-	retl
-	 and	%o0, %o1, %o0
+	.text
+	.globl		__syscall_error
+ENTRY(__vfork)
+	ld	[%g7 + PID], %o5
+	cmp	%o5, 0
+	bne	1f
+	 sub	%g0, %o5, %o4
+	sethi	%hi(0x80000000), %o4
+1:	st	%o4, [%g7 + PID]
+
+	LOADSYSCALL(vfork)
+	ta	0x10
+	bcc	2f
+	 mov	%o7, %g1
+	st	%o5, [%g7 + PID]
+	call	__syscall_error
+	 mov	%g1, %o7
+2:	sub	%o1, 1, %o1
+	andcc	%o0, %o1, %o0
+	bne,a	1f
+	 st	%o5, [%g7 + PID]
+1:	retl
+	 nop
+END(__vfork)
 
-PSEUDO_END (__vfork)
 libc_hidden_def (__vfork)
 weak_alias (__vfork, vfork)
+strong_alias (__vfork, __libc_vfork)
diff --git a/sysdeps/unix/sysv/linux/sparc/sparc64/clone.S b/sysdeps/unix/sysv/linux/sparc/sparc64/clone.S
index 57d75d2..87f944c 100644
--- a/sysdeps/unix/sysv/linux/sparc/sparc64/clone.S
+++ b/sysdeps/unix/sysv/linux/sparc/sparc64/clone.S
@@ -77,7 +77,6 @@ END(__clone)
 
 	.type __thread_start,@function
 __thread_start:
-#ifdef RESET_PID
 	sethi	%hi(CLONE_THREAD), %l0
 	andcc	%g4, %l0, %g0
 	bne,pt	%icc, 1f
@@ -89,7 +88,6 @@ __thread_start:
 2:	st	%o0,[%g7 + PID]
 	st	%o0,[%g7 + TID]
 1:
-#endif
 	mov	%g0, %fp	/* terminate backtrace */
 	call	%g2
 	 mov	%g3,%o0
diff --git a/sysdeps/unix/sysv/linux/sparc/fork.S b/sysdeps/unix/sysv/linux/sparc/sparc64/vfork.S
index f3a83e6..6d0628b 100644
--- a/sysdeps/unix/sysv/linux/sparc/fork.S
+++ b/sysdeps/unix/sysv/linux/sparc/sparc64/vfork.S
@@ -1,6 +1,6 @@
-/* Copyright (C) 1997-2014 Free Software Foundation, Inc.
+/* Copyright (C) 2004-2014 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
-   Contributed by Miguel de Icaza <miguel@gnu.ai.mit.edu>, 1997.
+   Contributed by Jakub Jelinek <jakub@redhat.com>, 2004.
 
    The GNU C Library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
@@ -17,13 +17,33 @@
    <http://www.gnu.org/licenses/>.  */
 
 #include <sysdep.h>
+#include <tcb-offsets.h>
 
-PSEUDO (__libc_fork, fork, 0)
-	sub	%o1, 1, %o1
-	retl
-	 and	%o0, %o1, %o0
-PSEUDO_END (__libc_fork)
+	.text
+	.globl	__syscall_error
+ENTRY(__vfork)
+	ld	[%g7 + PID], %o5
+	sethi	%hi(0x80000000), %o3
+	cmp	%o5, 0
+	sub	%g0, %o5, %o4
+	move	%icc, %o3, %o4
+	st	%o4, [%g7 + PID]
 
-weak_alias (__libc_fork, __fork)
-libc_hidden_def (__fork)
-weak_alias (__libc_fork, fork)
+	LOADSYSCALL(vfork)
+	ta	0x6d
+	bcc,pt	%xcc, 2f
+	 mov	%o7, %g1
+	st	%o5, [%g7 + PID]
+	call	__syscall_error
+	 mov	%g1, %o7
+2:	sub	%o1, 1, %o1
+	andcc	%o0, %o1, %o0
+	bne,a,pt %icc, 1f
+	 st	%o5, [%g7 + PID]
+1:	retl
+	 nop
+END(__vfork)
+
+libc_hidden_def (__vfork)
+weak_alias (__vfork, vfork)
+strong_alias (__vfork, __libc_vfork)