sparc32 nptl functional

 * pulled updated asm and headers from glibc for sparc32 
 * probably no cancellation support yet
 * no shared TLS relocs yet, since ldso is hosed on sparc still
 
 note: didn't use TARGET_SUBARCH method of includes since that would cause 
 other parts of libc to fail currently. Will need to be fixed later.

16 files changed, 347 insertions, 146 deletions

diff --git a/libpthread/nptl/sysdeps/unix/sysv/linux/Makefile.in b/libpthread/nptl/sysdeps/unix/sysv/linux/Makefile.in
index b2b901a1a..82b47b691 100644
--- a/libpthread/nptl/sysdeps/unix/sysv/linux/Makefile.in
+++ b/libpthread/nptl/sysdeps/unix/sysv/linux/Makefile.in
@@ -51,7 +51,7 @@ endif
 ifeq ($(TARGET_ARCH),sparc)
 libpthread_CSRC += lowlevellock.c
 libc_CSRC += libc-lowlevellock.c
-librt_CSRC := mq_notify.c 
+librt_CSRC := mq_notify.c __syscall_error.c
 endif
 
 ifeq ($(TARGET_ARCH),sh)
diff --git a/libpthread/nptl/sysdeps/unix/sysv/linux/__syscall_error.c b/libpthread/nptl/sysdeps/unix/sysv/linux/__syscall_error.c
new file mode 100644
index 000000000..5e109a83b
--- /dev/null
+++ b/libpthread/nptl/sysdeps/unix/sysv/linux/__syscall_error.c
@@ -0,0 +1,18 @@
+/* Wrapper for setting errno.
+ *
+ * Copyright (C) 2000-2006 Erik Andersen <andersen@uclibc.org>
+ *
+ * Licensed under the LGPL v2.1, see the file COPYING.LIB in this tarball.
+ */
+
+#include <errno.h>
+#include <features.h>
+
+/* This routine is jumped to by all the syscall handlers, to stash
+ * an error number into errno.  */
+int __syscall_error(int err_no) attribute_hidden;
+int __syscall_error(int err_no)
+{
+	__set_errno(err_no);
+	return -1;
+}
diff --git a/libpthread/nptl/sysdeps/unix/sysv/linux/createthread.c b/libpthread/nptl/sysdeps/unix/sysv/linux/createthread.c
index 9defac619..9149efe58 100644
--- a/libpthread/nptl/sysdeps/unix/sysv/linux/createthread.c
+++ b/libpthread/nptl/sysdeps/unix/sysv/linux/createthread.c
@@ -21,4 +21,4 @@
 #define TLS_VALUE pd
 
 /* Get the real implementation.	 */
-#include <nptl/sysdeps/pthread/createthread.c>
+#include <sysdeps/pthread/createthread.c>
diff --git a/libpthread/nptl/sysdeps/unix/sysv/linux/sparc/Makefile b/libpthread/nptl/sysdeps/unix/sysv/linux/sparc/Makefile
new file mode 100644
index 000000000..43a6fad84
--- /dev/null
+++ b/libpthread/nptl/sysdeps/unix/sysv/linux/sparc/Makefile
@@ -0,0 +1,13 @@
+# Makefile for uClibc NPTL
+#
+# Copyright (C) 2005 Steven J. Hill <sjhill@uclibc.org>
+#
+# Licensed under the LGPL v2.1, see the file COPYING.LIB in this tarball.
+#
+
+top_srcdir=../../../../../../../
+top_builddir=../../../../../../../
+all: objs
+include $(top_builddir)Rules.mak
+include Makefile.arch
+include $(top_srcdir)Makerules
diff --git a/libpthread/nptl/sysdeps/unix/sysv/linux/sparc/Makefile.arch b/libpthread/nptl/sysdeps/unix/sysv/linux/sparc/Makefile.arch
new file mode 100644
index 000000000..6a0d2b51d
--- /dev/null
+++ b/libpthread/nptl/sysdeps/unix/sysv/linux/sparc/Makefile.arch
@@ -0,0 +1,58 @@
+# Makefile for uClibc NPTL
+#
+# Copyright (C) 2006 Steven J. Hill <sjhill@uclibc.org>
+#
+# Licensed under the LGPL v2.1, see the file COPYING.LIB in this tarball.
+#
+
+libpthread_SSRC = pt-vfork.S clone.S
+libpthread_CSRC = pthread_once.c
+
+libc_a_CSRC = fork.c
+libc_a_SSRC = clone.S vfork.S
+
+CFLAGS-OMIT-fork.c = -DNOT_IN_libc=1 -DIS_IN_libpthread=1
+ifeq ($(UCLIBC_HAS_STDIO_FUTEXES),y)
+CFLAGS-fork.c = -D__USE_STDIO_FUTEXES__
+endif
+
+ASFLAGS-pt-vfork.S = -DNOT_IN_libc=1 -DIS_IN_libpthread=1 -D_LIBC_REENTRANT -DUSE___THREAD
+
+CFLAGS-pthread_once.c = -DNOT_IN_libc=1 -DIS_IN_libpthread=1
+
+
+ASFLAGS-clone.S = -D_LIBC_REENTRANT
+ASFLAGS-vfork.S = -D_LIBC_REENTRANT
+
+ifeq ($(UCLIBC_HAS_THREADS_NATIVE),y)
+#Needed to use the correct SYSCALL_ERROR_HANDLER
+ASFLAGS-clone.S += -DUSE___THREAD
+ASFLAGS-vfork.S += -DUSE___THREAD
+endif
+
+CFLAGS += $(SSP_ALL_CFLAGS)
+#CFLAGS:=$(CFLAGS:-O1=-O2)
+
+LINUX_ARCH_DIR:=$(top_srcdir)libpthread/nptl/sysdeps/unix/sysv/linux/sparc
+LINUX_ARCH_OUT:=$(top_builddir)libpthread/nptl/sysdeps/unix/sysv/linux/sparc
+
+LINUX_ARCH_OBJ:=$(patsubst %.c,$(LINUX_ARCH_OUT)/%.o,$(libpthread_CSRC))
+LINUX_ARCH_OBJ+=$(patsubst %.c,$(LINUX_ARCH_OUT)/%.o,$(libpthread_CSRC))
+
+libpthread-a-y += $(LINUX_ARCH_OBJ)
+libpthread-so-y += $(LINUX_ARCH_OBJ:.o=.oS)
+
+libpthread-nomulti-y+=$(LINUX_ARCH_OBJS)
+
+LIBC_LINUX_ARCH_OBJ:=$(patsubst %.c,$(LINUX_ARCH_OUT)/%.o,$(libc_a_CSRC))
+LIBC_LINUX_ARCH_OBJ+=$(patsubst %.S,$(LINUX_ARCH_OUT)/%.o,$(libc_a_SSRC))
+
+libc-static-y+=$(LIBC_LINUX_ARCH_OBJ)
+libc-shared-y+=$(LIBC_LINUX_ARCH_OBJ:.o=.oS)
+
+libc-nomulti-y+=$(LIBC_LINUX_ARCH_OBJ)
+
+objclean-y+=nptl_linux_arch_clean
+
+nptl_linux_arch_clean:
+	$(do_rm) $(addprefix $(LINUX_ARCH_OUT)/*., o os oS)
diff --git a/libpthread/nptl/sysdeps/unix/sysv/linux/sparc/clone.S b/libpthread/nptl/sysdeps/unix/sysv/linux/sparc/clone.S
new file mode 100644
index 000000000..dfc5e8261
--- /dev/null
+++ b/libpthread/nptl/sysdeps/unix/sysv/linux/sparc/clone.S
@@ -0,0 +1,5 @@
+#if defined(__arch64__)
+#include "./sparc64/clone.S"
+#else
+#include "./sparc32/clone.S"
+#endif
diff --git a/libpthread/nptl/sysdeps/unix/sysv/linux/sparc/lowlevellock.h b/libpthread/nptl/sysdeps/unix/sysv/linux/sparc/lowlevellock.h
index 4626aec52..4db6fb0b4 100644
--- a/libpthread/nptl/sysdeps/unix/sysv/linux/sparc/lowlevellock.h
+++ b/libpthread/nptl/sysdeps/unix/sysv/linux/sparc/lowlevellock.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 2003, 2004 Free Software Foundation, Inc.
+/* Copyright (C) 2003, 2004, 2006, 2007, 2008 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
    Contributed by Jakub Jelinek <jakub@redhat.com>, 2003.
 
@@ -24,33 +24,28 @@
 #include <sys/param.h>
 #include <bits/pthreadtypes.h>
 #include <atomic.h>
+#include <sysdep.h>
 
 
 #define FUTEX_WAIT		0
 #define FUTEX_WAKE		1
 #define FUTEX_REQUEUE		3
 #define FUTEX_CMP_REQUEUE	4
+#define FUTEX_WAKE_OP		5
+#define FUTEX_OP_CLEAR_WAKE_IF_GT_ONE	((4 << 24) | 1)
 
 /* Initializer for compatibility lock.	*/
 #define LLL_MUTEX_LOCK_INITIALIZER (0)
 
 #define lll_futex_wait(futexp, val) \
-  ({									      \
-    INTERNAL_SYSCALL_DECL (__err);					      \
-    long int __ret;							      \
-									      \
-    __ret = INTERNAL_SYSCALL (futex, __err, 4,				      \
-			      (futexp), FUTEX_WAIT, (val), 0);		      \
-    __ret;								      \
-  })
+  lll_futex_timed_wait (futexp, val, NULL)
 
 #define lll_futex_timed_wait(futexp, val, timespec) \
   ({									      \
     INTERNAL_SYSCALL_DECL (__err);					      \
     long int __ret;							      \
-									      \
-    __ret = INTERNAL_SYSCALL (futex, __err, 4,				      \
-			      (futexp), FUTEX_WAIT, (val), (timespec));	      \
+    __ret = INTERNAL_SYSCALL (futex, __err, 4, (futexp),		  \
+			      FUTEX_WAIT, (val), (timespec));			      \
     __ret;								      \
   })
 
@@ -58,9 +53,8 @@
   ({									      \
     INTERNAL_SYSCALL_DECL (__err);					      \
     long int __ret;							      \
-									      \
-    __ret = INTERNAL_SYSCALL (futex, __err, 4,				      \
-			      (futexp), FUTEX_WAKE, (nr), 0);		      \
+    __ret = INTERNAL_SYSCALL (futex, __err, 4, (futexp),		      \
+			      FUTEX_WAKE, (nr), 0);					      \
     __ret;								      \
   })
 
@@ -69,70 +63,115 @@
   ({									      \
     INTERNAL_SYSCALL_DECL (__err);					      \
     long int __ret;							      \
-									      \
-    __ret = INTERNAL_SYSCALL (futex, __err, 6,				      \
-			      (futexp), FUTEX_CMP_REQUEUE, (nr_wake),	      \
-			      (nr_move), (mutex), (val));		      \
+    __ret = INTERNAL_SYSCALL (futex, __err, 6, (futexp),		      \
+			      FUTEX_CMP_REQUEUE, (nr_wake), (nr_move), (mutex), (val));	      \
     INTERNAL_SYSCALL_ERROR_P (__ret, __err);				      \
   })
 
+#define lll_robust_dead(futexv) \
+  do									      \
+    {									      \
+      int *__futexp = &(futexv);					      \
+      atomic_or (__futexp, FUTEX_OWNER_DIED);				      \
+      lll_futex_wake (__futexp, 1);				      \
+    }									      \
+  while (0)
+
+/* Returns non-zero if error happened, zero if success.  */
 #ifdef __sparc32_atomic_do_lock
-#error SPARC < v9 does not support compare and swap which is essential for futex based locking
+/* Avoid FUTEX_WAKE_OP if supporting pre-v9 CPUs.  */
+# define lll_futex_wake_unlock(futexp, nr_wake, nr_wake2, futexp2) 1
+#else
+# define lll_futex_wake_unlock(futexp, nr_wake, nr_wake2, futexp2) \
+  ({									      \
+    INTERNAL_SYSCALL_DECL (__err);					      \
+    long int __ret;							      \
+									      \
+    __ret = INTERNAL_SYSCALL (futex, __err, 6, (futexp),		      \
+			      FUTEX_WAKE_OP,    \
+			      (nr_wake), (nr_wake2), (futexp2),		      \
+			      FUTEX_OP_CLEAR_WAKE_IF_GT_ONE);		      \
+    INTERNAL_SYSCALL_ERROR_P (__ret, __err);				      \
+  })
 #endif
 
 static inline int
 __attribute__ ((always_inline))
-__lll_mutex_trylock (int *futex)
+__lll_trylock (int *futex)
 {
-  return atomic_compare_and_exchange_val_acq (futex, 1, 0) != 0;
+  return atomic_compare_and_exchange_val_24_acq (futex, 1, 0) != 0;
 }
-#define lll_mutex_trylock(futex) __lll_mutex_trylock (&(futex))
+#define lll_mutex_trylock(futex) __lll_trylock (&(futex))
 
 static inline int
 __attribute__ ((always_inline))
-__lll_mutex_cond_trylock (int *futex)
+__lll_cond_trylock (int *futex)
 {
-  return atomic_compare_and_exchange_val_acq (futex, 2, 0) != 0;
+  return atomic_compare_and_exchange_val_24_acq (futex, 2, 0) != 0;
 }
-#define lll_mutex_cond_trylock(futex) __lll_mutex_cond_trylock (&(futex))
+#define lll_mutex_cond_trylock(futex) __lll_cond_trylock (&(futex))
 
+static inline int
+__attribute__ ((always_inline))
+__lll_robust_trylock (int *futex, int id)
+{
+  return atomic_compare_and_exchange_val_acq (futex, id, 0) != 0;
+}
+#define lll_robust_trylock(futex, id) \
+  __lll_robust_trylock (&(futex), id)
 
-extern void __lll_lock_wait (int *futex) attribute_hidden;
 
+extern void __lll_lock_wait (int *futex) attribute_hidden;
+extern int __lll_robust_lock_wait (int *futex) attribute_hidden;
 
 static inline void
 __attribute__ ((always_inline))
-__lll_mutex_lock (int *futex)
+__lll_lock (int *futex)
 {
-  int val = atomic_compare_and_exchange_val_acq (futex, 1, 0);
+  int val = atomic_compare_and_exchange_val_24_acq (futex, 1, 0);
 
   if (__builtin_expect (val != 0, 0))
-    __lll_lock_wait (futex);
+    {
+	__lll_lock_wait (futex);
+    }
 }
-#define lll_mutex_lock(futex) __lll_mutex_lock (&(futex))
+#define lll_mutex_lock(futex) __lll_lock (&(futex))
 
+static inline int
+__attribute__ ((always_inline))
+__lll_robust_lock (int *futex, int id)
+{
+  int result = 0;
+  if (atomic_compare_and_exchange_bool_acq (futex, id, 0) != 0)
+    result = __lll_robust_lock_wait (futex);
+  return result;
+}
+#define lll_robust_lock(futex, id) \
+  __lll_robust_lock (&(futex), id)
 
 static inline void
 __attribute__ ((always_inline))
-__lll_mutex_cond_lock (int *futex)
+__lll_cond_lock (int *futex)
 {
-  int val = atomic_compare_and_exchange_val_acq (futex, 2, 0);
+  int val = atomic_compare_and_exchange_val_24_acq (futex, 2, 0);
 
   if (__builtin_expect (val != 0, 0))
     __lll_lock_wait (futex);
 }
-#define lll_mutex_cond_lock(futex) __lll_mutex_cond_lock (&(futex))
+#define lll_mutex_cond_lock(futex) __lll_cond_lock (&(futex))
 
+#define lll_robust_cond_lock(futex, id) \
+  __lll_robust_lock (&(futex), (id) | FUTEX_WAITERS)
 
-extern int __lll_timedlock_wait (int *futex, const struct timespec *)
-     attribute_hidden;
 
+extern int __lll_timedlock_wait (int *futex, const struct timespec *) attribute_hidden;
+extern int __lll_robust_timedlock_wait (int *futex, const struct timespec *) attribute_hidden;
 
 static inline int
 __attribute__ ((always_inline))
-__lll_mutex_timedlock (int *futex, const struct timespec *abstime)
+__lll_timedlock (int *futex, const struct timespec *abstime)
 {
-  int val = atomic_compare_and_exchange_val_acq (futex, 1, 0);
+  int val = atomic_compare_and_exchange_val_24_acq (futex, 1, 0);
   int result = 0;
 
   if (__builtin_expect (val != 0, 0))
@@ -140,43 +179,56 @@ __lll_mutex_timedlock (int *futex, const struct timespec *abstime)
   return result;
 }
 #define lll_mutex_timedlock(futex, abstime) \
-  __lll_mutex_timedlock (&(futex), abstime)
+  __lll_timedlock (&(futex), abstime)
+
+static inline int
+__attribute__ ((always_inline))
+__lll_robust_timedlock (int *futex, const struct timespec *abstime,
+			int id)
+{
+  int result = 0;
+  if (atomic_compare_and_exchange_bool_acq (futex, id, 0) != 0)
+    result = __lll_robust_timedlock_wait (futex, abstime);
+  return result;
+}
+#define lll_robust_timedlock(futex, abstime, id) \
+  __lll_robust_timedlock (&(futex), abstime, id)
 
 #define lll_mutex_unlock(lock) \
   ((void) ({								      \
     int *__futex = &(lock);						      \
-    int __val = atomic_exchange_rel (__futex, 0);			      \
+    int __val = atomic_exchange_24_rel (__futex, 0);			      \
     if (__builtin_expect (__val > 1, 0))				      \
-      lll_futex_wake (__futex, 1);					      \
+      lll_futex_wake (__futex, 1);				      \
   }))
 
-#define lll_mutex_unlock_force(lock) \
+#define lll_robust_unlock(lock) \
   ((void) ({								      \
     int *__futex = &(lock);						      \
-    (void) atomic_exchange_rel (__futex, 0);				      \
-    lll_futex_wake (__futex, 1);					      \
+    int __val = atomic_exchange_rel (__futex, 0);			      \
+    if (__builtin_expect (__val & FUTEX_WAITERS, 0))			      \
+      lll_futex_wake (__futex, 1);				      \
   }))
 
 #define lll_mutex_islocked(futex) \
   (futex != 0)
 
-
 /* We have a separate internal lock implementation which is not tied
-   to binary compatibility.  We can use the lll_mutex_*.  */
+   to binary compatibility.  */
 
 /* Type for lock object.  */
 typedef int lll_lock_t;
 
-extern int lll_unlock_wake_cb (int *__futex) attribute_hidden;
-
 /* Initializers for lock.  */
 #define LLL_LOCK_INITIALIZER		(0)
 #define LLL_LOCK_INITIALIZER_LOCKED	(1)
 
-#define lll_trylock(futex)	lll_mutex_trylock (futex)
-#define lll_lock(futex)		lll_mutex_lock (futex)
-#define lll_unlock(futex)	lll_mutex_unlock (futex)
-#define lll_islocked(futex)	lll_mutex_islocked (futex)
+extern int lll_unlock_wake_cb (int *__futex) attribute_hidden;
+
+#define lll_trylock(lock)	lll_mutex_trylock (lock)
+#define lll_lock(lock)		lll_mutex_lock (lock)
+#define lll_unlock(lock)	lll_mutex_unlock (lock)
+#define lll_islocked(lock)	lll_mutex_islocked (lock)
 
 
 /* The kernel notifies a process with uses CLONE_CLEARTID via futex
@@ -184,12 +236,12 @@ extern int lll_unlock_wake_cb (int *__futex) attribute_hidden;
    thread ID while the clone is running and is reset to zero
    afterwards.	*/
 #define lll_wait_tid(tid) \
-  do						\
-    {						\
-      __typeof (tid) __tid;			\
-      while ((__tid = (tid)) != 0)		\
-	lll_futex_wait (&(tid), __tid);		\
-    }						\
+  do							\
+    {							\
+      __typeof (tid) __tid;				\
+      while ((__tid = (tid)) != 0)			\
+	lll_futex_wait (&(tid), __tid);	\
+    }							\
   while (0)
 
 extern int __lll_timedwait_tid (int *, const struct timespec *)
@@ -203,26 +255,4 @@ extern int __lll_timedwait_tid (int *, const struct timespec *)
     __res;						\
   })
 
-
-/* Conditional variable handling.  */
-
-extern void __lll_cond_wait (pthread_cond_t *cond)
-     attribute_hidden;
-extern int __lll_cond_timedwait (pthread_cond_t *cond,
-				 const struct timespec *abstime)
-     attribute_hidden;
-extern void __lll_cond_wake (pthread_cond_t *cond)
-     attribute_hidden;
-extern void __lll_cond_broadcast (pthread_cond_t *cond)
-     attribute_hidden;
-
-#define lll_cond_wait(cond) \
-  __lll_cond_wait (cond)
-#define lll_cond_timedwait(cond, abstime) \
-  __lll_cond_timedwait (cond, abstime)
-#define lll_cond_wake(cond) \
-  __lll_cond_wake (cond)
-#define lll_cond_broadcast(cond) \
-  __lll_cond_broadcast (cond)
-
 #endif	/* lowlevellock.h */
diff --git a/libpthread/nptl/sysdeps/unix/sysv/linux/sparc/not-cancel.h b/libpthread/nptl/sysdeps/unix/sysv/linux/sparc/not-cancel.h
deleted file mode 100644
index acf1a617e..000000000
--- a/libpthread/nptl/sysdeps/unix/sysv/linux/sparc/not-cancel.h
+++ /dev/null
@@ -1 +0,0 @@
-#include "../i386/not-cancel.h"
diff --git a/libpthread/nptl/sysdeps/unix/sysv/linux/sparc/pt-vfork.S b/libpthread/nptl/sysdeps/unix/sysv/linux/sparc/pt-vfork.S
new file mode 100644
index 000000000..e8705c54b
--- /dev/null
+++ b/libpthread/nptl/sysdeps/unix/sysv/linux/sparc/pt-vfork.S
@@ -0,0 +1,5 @@
+#if defined(__arch64__)
+#include "sparc64/pt-vfork.S"
+#else
+#include "sparc32/pt-vfork.S"
+#endif
diff --git a/libpthread/nptl/sysdeps/unix/sysv/linux/sparc/sparc32/clone.S b/libpthread/nptl/sysdeps/unix/sysv/linux/sparc/sparc32/clone.S
index da6197c00..a6142aafe 100644
--- a/libpthread/nptl/sysdeps/unix/sysv/linux/sparc/sparc32/clone.S
+++ b/libpthread/nptl/sysdeps/unix/sysv/linux/sparc/sparc32/clone.S
@@ -1,2 +1,2 @@
 #define RESET_PID
-#include <sysdeps/unix/sysv/linux/sparc/sparc32/clone.S>
+#include <libc/sysdeps/linux/sparc/clone.S>
diff --git a/libpthread/nptl/sysdeps/unix/sysv/linux/sparc/sparc32/pt-vfork.S b/libpthread/nptl/sysdeps/unix/sysv/linux/sparc/sparc32/pt-vfork.S
index 55229c9e6..fb01242b5 100644
--- a/libpthread/nptl/sysdeps/unix/sysv/linux/sparc/sparc32/pt-vfork.S
+++ b/libpthread/nptl/sysdeps/unix/sysv/linux/sparc/sparc32/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	0x10
-	bcs,a	__syscall_error_handler
-	 st	%o5, [%g7 + PID]
-	SYSCALL_ERROR_HANDLER
-	sub	%o1, 1, %o1
+	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)
 weak_alias (__vfork, vfork)
diff --git a/libpthread/nptl/sysdeps/unix/sysv/linux/sparc/sparc32/sysdep-cancel.h b/libpthread/nptl/sysdeps/unix/sysv/linux/sparc/sparc32/sysdep-cancel.h
index 5edf4b377..ad650d040 100644
--- a/libpthread/nptl/sysdeps/unix/sysv/linux/sparc/sparc32/sysdep-cancel.h
+++ b/libpthread/nptl/sysdeps/unix/sysv/linux/sparc/sparc32/sysdep-cancel.h
@@ -17,64 +17,56 @@
    Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
    02111-1307 USA.  */
 
-#include <sysdep.h>
 #include <tls.h>
+#include <sysdep.h>
 #ifndef __ASSEMBLER__
-# include <nptl/pthreadP.h>
+# include <pthreadP.h>
 #endif
 
 #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;			      \
-	cmp %g1, 0;							      \
-	bne 1f;								      \
-.type	__##syscall_name##_nocancel,@function;				      \
-.globl	__##syscall_name##_nocancel;					      \
-__##syscall_name##_nocancel:						      \
-	 mov SYS_ify(syscall_name), %g1;				      \
-	ta 0x10;							      \
-	bcs __syscall_error_handler;					      \
-	 nop;								      \
-.size	__##syscall_name##_nocancel,.-__##syscall_name##_nocancel;	      \
-	.subsection 2;							      \
-	cfi_startproc;							      \
-1:	save %sp, -96, %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 0x10;							      \
-	bcs __syscall_error_handler2;					      \
-	 mov %o0, %l1;							      \
-	CDISABLE;							      \
-	 mov %l0, %o0;							      \
-	jmpl %i7 + 8, %g0;						      \
-	 restore %g0, %l1, %o0;						      \
-	cfi_endproc;							      \
-	.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;\
+    cmp %g1, 0;             \
+    bne 1f;                 \
+.type   __##syscall_name##_nocancel,@function;  \
+.globl  __##syscall_name##_nocancel;        \
+__##syscall_name##_nocancel:            \
+     mov SYS_ify(syscall_name), %g1;    \
+    ta 0x10;                \
+    bcc 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, -96, %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 0x10;                \
+    bcc 1f;                 \
+     mov %o0, %l1;              \
+    CDISABLE;               \
+     mov %l0, %o0;              \
+    call __syscall_error;           \
+     mov %l1, %o0;              \
+    b 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
diff --git a/libpthread/nptl/sysdeps/unix/sysv/linux/sparc/sparc32/vfork.S b/libpthread/nptl/sysdeps/unix/sysv/linux/sparc/sparc32/vfork.S
index d804f0c4b..1a3827789 100644
--- a/libpthread/nptl/sysdeps/unix/sysv/linux/sparc/sparc32/vfork.S
+++ b/libpthread/nptl/sysdeps/unix/sysv/linux/sparc/sparc32/vfork.S
@@ -21,6 +21,7 @@
 #include <tcb-offsets.h>
 
 	.text
+	.globl		__syscall_error
 ENTRY(__vfork)
 	ld	[%g7 + PID], %o5
 	cmp	%o5, 0
@@ -31,16 +32,18 @@ ENTRY(__vfork)
 
 	LOADSYSCALL(vfork)
 	ta	0x10
-	bcs,a	__syscall_error_handler
-	 st	%o5, [%g7 + PID]
-	SYSCALL_ERROR_HANDLER
-	sub	%o1, 1, %o1
+	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)
-hidden_def (__vfork)
+hidden_def (vfork)
 weak_alias (__vfork, vfork)
diff --git a/libpthread/nptl/sysdeps/unix/sysv/linux/sparc/sysdep-cancel.h b/libpthread/nptl/sysdeps/unix/sysv/linux/sparc/sysdep-cancel.h
new file mode 100644
index 000000000..5be9beb92
--- /dev/null
+++ b/libpthread/nptl/sysdeps/unix/sysv/linux/sparc/sysdep-cancel.h
@@ -0,0 +1,5 @@
+#if defined(__arch64__)
+#include "sparc64/sysdep-cancel.h"
+#else
+#include "sparc32/sysdep-cancel.h"
+#endif
diff --git a/libpthread/nptl/sysdeps/unix/sysv/linux/sparc/sysdep.h b/libpthread/nptl/sysdeps/unix/sysv/linux/sparc/sysdep.h
new file mode 100644
index 000000000..744e587a3
--- /dev/null
+++ b/libpthread/nptl/sysdeps/unix/sysv/linux/sparc/sysdep.h
@@ -0,0 +1,65 @@
+#ifndef _LINUX_SPARC_SYSDEP_H
+#define _LINUX_SPARC_SYSDEP_H 1
+
+#include <sysdeps/unix/sysdep.h>
+
+#undef ENTRY
+#undef END
+
+#ifdef __ASSEMBLER__
+
+#define LOADSYSCALL(x) mov __NR_##x, %g1
+
+#define ENTRY(name)                 \
+    .align 4;                       \
+    .global C_SYMBOL_NAME(name);    \
+    .type   name, @function;        \
+C_LABEL(name)                       \
+    cfi_startproc;
+
+#define END(name)                   \
+    cfi_endproc;                    \
+    .size name, . - name
+
+#define LOC(name) .L##name
+
+	/* If the offset to __syscall_error fits into a signed 22-bit
+	 * immediate branch offset, the linker will relax the call into
+	 * a normal branch.
+	 */
+#undef PSEUDO
+#undef PSEUDO_END
+#undef PSEUDO_NOERRNO
+#undef PSEUDO_ERRVAL
+
+#define PSEUDO(name, syscall_name, args)	\
+	.text;					\
+	.globl		__syscall_error;	\
+ENTRY(name);					\
+	LOADSYSCALL(syscall_name);		\
+	ta		0x10;			\
+	bcc		1f;			\
+	 mov		%o7, %g1;		\
+	call		__syscall_error;	\
+	 mov		%g1, %o7;		\
+1:
+
+#define PSEUDO_NOERRNO(name, syscall_name, args)\
+	.text;					\
+ENTRY(name);					\
+	LOADSYSCALL(syscall_name);		\
+	ta		0x10;
+
+#define PSEUDO_ERRVAL(name, syscall_name, args)	\
+	.text;					\
+ENTRY(name);					\
+	LOADSYSCALL(syscall_name);		\
+	ta		0x10;
+
+#define PSEUDO_END(name)			\
+	END(name)
+
+
+#endif
+
+#endif
diff --git a/libpthread/nptl/sysdeps/unix/sysv/linux/sparc/vfork.S b/libpthread/nptl/sysdeps/unix/sysv/linux/sparc/vfork.S
new file mode 100644
index 000000000..160cd0b10
--- /dev/null
+++ b/libpthread/nptl/sysdeps/unix/sysv/linux/sparc/vfork.S
@@ -0,0 +1,5 @@
+#if defined(__arch64__)
+#include "sparc64/vfork.S"
+#else
+#include "sparc32/vfork.S"
+#endif