2.5-18.1

4 files changed, 72 insertions, 54 deletions

diff --git a/nptl/sysdeps/unix/sysv/linux/sparc/sparc64/clone.S b/nptl/sysdeps/unix/sysv/linux/sparc/sparc64/clone.S
new file mode 100644
index 0000000000..675a997e97
--- /dev/null
+++ b/nptl/sysdeps/unix/sysv/linux/sparc/sparc64/clone.S
@@ -0,0 +1,9 @@
+/* We want an #include_next, but we are the main source file.
+   So, #include ourselves and in that incarnation we can use #include_next.  */
+#ifndef INCLUDED_SELF
+# define INCLUDED_SELF
+# include <clone.S>
+#else
+# define RESET_PID
+# include_next <clone.S>
+#endif
diff --git a/nptl/sysdeps/unix/sysv/linux/sparc/sparc64/pt-vfork.S b/nptl/sysdeps/unix/sysv/linux/sparc/sparc64/pt-vfork.S
index e9018b2e99..8941043c3a 100644
--- a/nptl/sysdeps/unix/sysv/linux/sparc/sparc64/pt-vfork.S
+++ b/nptl/sysdeps/unix/sysv/linux/sparc/sparc64/pt-vfork.S
@@ -21,6 +21,7 @@
 #include <tcb-offsets.h>
 
 	.text
+	.globl	__syscall_error
 ENTRY(__vfork)
 	ld	[%g7 + PID], %o5
 	sub	%g0, %o5, %o4
@@ -28,15 +29,17 @@ ENTRY(__vfork)
 
 	LOADSYSCALL(vfork)
 	ta	0x6d
-	bcs,a,pn %xcc, __syscall_error_handler
-	 st	%o5, [%g7 + PID]
-	SYSCALL_ERROR_HANDLER
-	sub	%o1, 1, %o1
+	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)
 
-PSEUDO_END (__vfork)
 weak_alias (__vfork, vfork)
diff --git a/nptl/sysdeps/unix/sysv/linux/sparc/sparc64/sysdep-cancel.h b/nptl/sysdeps/unix/sysv/linux/sparc/sparc64/sysdep-cancel.h
index d8c65aeffd..2c76d01715 100644
--- a/nptl/sysdeps/unix/sysv/linux/sparc/sparc64/sysdep-cancel.h
+++ b/nptl/sysdeps/unix/sysv/linux/sparc/sparc64/sysdep-cancel.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 2002, 2003, 2004 Free Software Foundation, Inc.
+/* Copyright (C) 2002, 2003, 2004, 2006 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
    Contributed by Jakub Jelinek <jakub@redhat.com>, 2002.
 
@@ -26,49 +26,46 @@
 #if !defined NOT_IN_libc || defined IS_IN_libpthread || defined IS_IN_librt
 
 # undef PSEUDO
-# define PSEUDO(name, syscall_name, args)				      \
-	.text;								      \
-ENTRY(name)								      \
-	ld [%g7 + MULTIPLE_THREADS_OFFSET], %g1;			      \
-	brnz,pn %g1, 1f;						      \
-.type	__##syscall_name##_nocancel,@function;				      \
-.globl	__##syscall_name##_nocancel;					      \
-__##syscall_name##_nocancel:						      \
-	 mov SYS_ify(syscall_name), %g1;				      \
-	ta 0x6d;							      \
-	bcs,pn %xcc, __syscall_error_handler;				      \
-	 nop;								      \
-.size	__##syscall_name##_nocancel,.-__##syscall_name##_nocancel;	      \
-	.subsection 2;							      \
-1:	save %sp, -192, %sp;						      \
-	CENABLE;							      \
-	 nop;								      \
-	mov %o0, %l0;							      \
-	COPY_ARGS_##args						      \
-	mov SYS_ify(syscall_name), %g1;					      \
-	ta 0x6d;							      \
-	bcs,pn %xcc, __syscall_error_handler2;				      \
-	 mov %o0, %l1;							      \
-	CDISABLE;							      \
-	 mov %l0, %o0;							      \
-	jmpl %i7 + 8, %g0;						      \
-	 restore %g0, %l1, %o0;						      \
-	.previous;							      \
-	SYSCALL_ERROR_HANDLER						      \
-	SYSCALL_ERROR_HANDLER2
-
-#define SYSCALL_ERROR_HANDLER2						      \
-SYSCALL_ERROR_HANDLER_ENTRY(__syscall_error_handler2)			      \
-	.global __errno_location;					      \
-        .type   __errno_location,@function;				      \
-	CDISABLE;							      \
-	 mov	%l0, %o0;						      \
-	call	__errno_location;					      \
-	 nop;								      \
-	st	%l1, [%o0];						      \
-	jmpl	%i7 + 8, %g0;						      \
-	 restore %g0, -1, %o0;						      \
-	.previous;
+# define PSEUDO(name, syscall_name, args)	\
+	.text;					\
+	.globl		__syscall_error;	\
+ENTRY(name)					\
+	ld [%g7 + MULTIPLE_THREADS_OFFSET], %g1;\
+	brnz,pn %g1, 1f;			\
+.type	__##syscall_name##_nocancel,@function;	\
+.globl	__##syscall_name##_nocancel;		\
+__##syscall_name##_nocancel:			\
+	 mov SYS_ify(syscall_name), %g1;	\
+	ta 0x6d;				\
+	bcc,pt %xcc, 8f;			\
+	 mov %o7, %g1;				\
+	call __syscall_error;			\
+	 mov %g1, %o7;				\
+8:	jmpl %o7 + 8, %g0;			\
+	 nop;					\
+.size	__##syscall_name##_nocancel,.-__##syscall_name##_nocancel;\
+1:	save %sp, -192, %sp;			\
+	cfi_def_cfa_register(%fp);		\
+	cfi_window_save;			\
+	cfi_register(%o7, %i7);			\
+	CENABLE;				\
+	 nop;					\
+	mov %o0, %l0;				\
+	COPY_ARGS_##args			\
+	mov SYS_ify(syscall_name), %g1;		\
+	ta 0x6d;				\
+	bcc,pt %xcc, 1f;			\
+	 mov %o0, %l1;				\
+	CDISABLE;				\
+	 mov %l0, %o0;				\
+	call __syscall_error;			\
+	 mov %l1, %o0;				\
+	ba,pt %xcc, 2f;				\
+	 mov -1, %l1;				\
+1:	CDISABLE;				\
+	 mov %l0, %o0;				\
+2:	jmpl %i7 + 8, %g0;			\
+	 restore %g0, %l1, %o0;
 
 # ifdef IS_IN_libpthread
 #  define CENABLE	call __pthread_enable_asynccancel
@@ -105,3 +102,9 @@ SYSCALL_ERROR_HANDLER_ENTRY(__syscall_error_handler2)			      \
 # define NO_CANCELLATION 1
 
 #endif
+
+#ifndef __ASSEMBLER__
+# define RTLD_SINGLE_THREAD_P \
+  __builtin_expect (THREAD_GETMEM (THREAD_SELF, \
+				   header.multiple_threads) == 0, 1)
+#endif
diff --git a/nptl/sysdeps/unix/sysv/linux/sparc/sparc64/vfork.S b/nptl/sysdeps/unix/sysv/linux/sparc/sparc64/vfork.S
index d6b2455d43..5597574304 100644
--- a/nptl/sysdeps/unix/sysv/linux/sparc/sparc64/vfork.S
+++ b/nptl/sysdeps/unix/sysv/linux/sparc/sparc64/vfork.S
@@ -21,6 +21,7 @@
 #include <tcb-offsets.h>
 
 	.text
+	.globl	__syscall_error
 ENTRY(__vfork)
 	ld	[%g7 + PID], %o5
 	sethi	%hi(0x80000000), %o3
@@ -31,16 +32,18 @@ ENTRY(__vfork)
 
 	LOADSYSCALL(vfork)
 	ta	0x6d
-	bcs,a,pn %xcc, __syscall_error_handler
-	 st	%o5, [%g7 + PID]
-	SYSCALL_ERROR_HANDLER
-	sub	%o1, 1, %o1
+	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)
 
-PSEUDO_END (__vfork)
 libc_hidden_def (__vfork)
 weak_alias (__vfork, vfork)