ldso: Fix compile-error on noMMU

[uclinux-h8/uClibc.git] / libpthread / linuxthreads / sysdeps / sparc / sparc32 / pt-machine.h

diff --git a/libpthread/linuxthreads/sysdeps/sparc/sparc32/pt-machine.h b/libpthread/linuxthreads/sysdeps/sparc/sparc32/pt-machine.h
index 69af857..d502c75 100644 (file)
--- a/libpthread/linuxthreads/sysdeps/sparc/sparc32/pt-machine.h
+++ b/libpthread/linuxthreads/sysdeps/sparc/sparc32/pt-machine.h
@@ -1,30 +1,35 @@
 /* Machine-dependent pthreads configuration and inline functions.
    sparc version.
-   Copyright (C) 1996, 1997, 1998 Free Software Foundation, Inc.
+   Copyright (C) 1996-1998, 2000-2003 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
    Contributed by Richard Henderson <rth@tamu.edu>.
 
    The GNU C Library is free software; you can redistribute it and/or
-   modify it under the terms of the GNU Library General Public License as
-   published by the Free Software Foundation; either version 2 of the
+   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
-   Library General Public License for more details.
+   Lesser General Public License for more details.
 
-   You should have received a copy of the GNU Library General Public
-   License along with the GNU C Library; see the file COPYING.LIB.  If not,
-   write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
-   Boston, MA 02111-1307, USA.  */
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; see the file COPYING.LIB.  If
+   not, see <http://www.gnu.org/licenses/>.  */
+
+#ifndef _PT_MACHINE_H
+#define _PT_MACHINE_H   1
 
 #ifndef PT_EI
-# define PT_EI extern inline
+# define PT_EI __extern_always_inline
 #endif
 
+extern long int testandset (int *spinlock);
+extern int __compare_and_swap (long int *p, long int oldval, long int newval);
+
 /* Spinlock implementation; required.  */
-PT_EI int
+PT_EI long int
 testandset (int *spinlock)
 {
   int ret;
@@ -37,21 +42,20 @@ testandset (int *spinlock)
 }
 
 
-/* Spinlock release; default is just set to zero.  */
-#define RELEASE(spinlock) \
-  __asm__ __volatile__("stbar; stb %1,%0" : "=m"(*(spinlock)) : "r"(0));
+/* Memory barrier; default is to do nothing */
+#define MEMORY_BARRIER() __asm__ __volatile__("stbar" : : : "memory")
 
 
 /* Get some notion of the current stack.  Need not be exactly the top
    of the stack, just something somewhere in the current frame.  */
-#define CURRENT_STACK_FRAME  stack_pointer
-register char * stack_pointer __asm__("%sp");
+#define CURRENT_STACK_FRAME  (stack_pointer + (2 * 64))
+register char *stack_pointer __asm__("%sp");
 
 
-/* Registers %g6 and %g7 are reserved by the ABI for "system use".  It
-   happens that Solaris uses %g6 for the thread pointer -- we do the same.  */
+/* Registers %g6 and %g7 are reserved by the ABI for "system use".
+   %g7 is specified in the TLS ABI as thread pointer -- we do the same.  */
 struct _pthread_descr_struct;
-register struct _pthread_descr_struct *__thread_self __asm__("%g6");
+register struct _pthread_descr_struct *__thread_self __asm__("%g7");
 
 /* Return the thread descriptor for the current thread.  */
 #define THREAD_SELF  __thread_self
@@ -60,7 +64,19 @@ register struct _pthread_descr_struct *__thread_self __asm__("%g6");
 #define INIT_THREAD_SELF(descr, nr)  (__thread_self = (descr))
 
 /* Access to data in the thread descriptor is easy.  */
-#define THREAD_GETMEM(descr, member) __thread_self->member
-#define THREAD_GETMEM_NC(descr, member) __thread_self->member
-#define THREAD_SETMEM(descr, member, value) __thread_self->member = (value)
-#define THREAD_SETMEM_NC(descr, member, value) __thread_self->member = (value)
+#define THREAD_GETMEM(descr, member) \
+  ((void) sizeof (descr), THREAD_SELF->member)
+#define THREAD_GETMEM_NC(descr, member) \
+  ((void) sizeof (descr), THREAD_SELF->member)
+#define THREAD_SETMEM(descr, member, value) \
+  ((void) sizeof (descr), THREAD_SELF->member = (value))
+#define THREAD_SETMEM_NC(descr, member, value) \
+  ((void) sizeof (descr), THREAD_SELF->member = (value))
+
+/* We want the OS to assign stack addresses.  */
+#define FLOATING_STACKS 1
+
+/* Maximum size of the stack if the rlimit is unlimited.  */
+#define ARCH_STACK_MAX_SIZE     8*1024*1024
+
+#endif /* pt-machine.h */