GCC 4.2.0 release.

1 files changed, 222 insertions, 0 deletions

diff --git a/contrib/gcc/gthr-tpf.h b/contrib/gcc/gthr-tpf.h
new file mode 100644
index 0000000..b63d527
--- /dev/null
+++ b/contrib/gcc/gthr-tpf.h
@@ -0,0 +1,222 @@
+/* Threads compatibility routines for libgcc2 and libobjc.
+   Compile this one with gcc.
+   Copyright (C) 2004, 2005 Free Software Foundation, Inc.
+
+This file is part of GCC.
+
+GCC is free software; you can redistribute it and/or modify it under
+the terms of the GNU General Public License as published by the Free
+Software Foundation; either version 2, or (at your option) any later
+version.
+
+GCC 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 General Public License
+for more details.
+
+You should have received a copy of the GNU General Public License
+along with GCC; see the file COPYING.  If not, write to the Free
+Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA
+02110-1301, USA.  */
+
+/* As a special exception, if you link this library with other files,
+   some of which are compiled with GCC, to produce an executable,
+   this library does not by itself cause the resulting executable
+   to be covered by the GNU General Public License.
+   This exception does not however invalidate any other reasons why
+   the executable file might be covered by the GNU General Public License.  */
+
+
+/* TPF needs its own version of gthr-*.h because TPF always links to 
+   the thread library.  However, for performance reasons we still do not
+   want to issue thread api calls unless a check is made to see that we
+   are running as a thread.  */
+
+#ifndef GCC_GTHR_TPF_H
+#define GCC_GTHR_TPF_H
+
+/* POSIX threads specific definitions.
+   Easy, since the interface is just one-to-one mapping.  */
+
+#define __GTHREADS 1
+
+/* Some implementations of <pthread.h> require this to be defined.  */
+#ifndef _REENTRANT
+#define _REENTRANT 1
+#endif
+
+#include <pthread.h>
+#include <unistd.h>
+
+typedef pthread_key_t __gthread_key_t;
+typedef pthread_once_t __gthread_once_t;
+typedef pthread_mutex_t __gthread_mutex_t;
+typedef pthread_mutex_t __gthread_recursive_mutex_t;
+
+#if defined(PTHREAD_RECURSIVE_MUTEX_INITIALIZER)
+#define __GTHREAD_RECURSIVE_MUTEX_INIT PTHREAD_RECURSIVE_MUTEX_INITIALIZER
+#elif defined(PTHREAD_RECURSIVE_MUTEX_INITIALIZER_NP)
+#define __GTHREAD_RECURSIVE_MUTEX_INIT PTHREAD_RECURSIVE_MUTEX_INITIALIZER_NP
+#endif
+
+#define __GTHREAD_MUTEX_INIT PTHREAD_MUTEX_INITIALIZER
+#define __GTHREAD_ONCE_INIT PTHREAD_ONCE_INIT
+#define __GTHREAD_RECURSIVE_MUTEX_INIT_FUNCTION __gthread_recursive_mutex_init_function
+
+#define NOTATHREAD   00
+#define ECBBASEPTR (unsigned long int) *(unsigned int *)0x00000514u
+#define ECBPG2PTR  ECBBASEPTR + 0x1000
+#define CE2THRCPTR *((unsigned char *)(ECBPG2PTR + 16))
+#define __tpf_pthread_active() (CE2THRCPTR != NOTATHREAD)
+
+#if SUPPORTS_WEAK && GTHREAD_USE_WEAK
+# define __gthrw(name) \
+  static __typeof(name) __gthrw_ ## name __attribute__ ((__weakref__(#name)));
+# define __gthrw_(name) __gthrw_ ## name
+#else
+# define __gthrw(name)
+# define __gthrw_(name) name
+#endif
+
+__gthrw(pthread_once)
+__gthrw(pthread_key_create)
+__gthrw(pthread_key_delete)
+__gthrw(pthread_getspecific)
+__gthrw(pthread_setspecific)
+__gthrw(pthread_create)
+
+__gthrw(pthread_mutex_lock)
+__gthrw(pthread_mutex_trylock)
+__gthrw(pthread_mutex_unlock)
+__gthrw(pthread_mutexattr_init)
+__gthrw(pthread_mutexattr_settype)
+__gthrw(pthread_mutexattr_destroy)
+__gthrw(pthread_mutex_init)
+
+static inline int
+__gthread_active_p (void)
+{
+  return 1;
+}
+
+static inline int
+__gthread_once (__gthread_once_t *once, void (*func) (void))
+{
+  if (__tpf_pthread_active ())
+    return __gthrw_(pthread_once) (once, func);
+  else
+    return -1;
+}
+
+static inline int
+__gthread_key_create (__gthread_key_t *key, void (*dtor) (void *))
+{
+  if (__tpf_pthread_active ())
+    return __gthrw_(pthread_key_create) (key, dtor);
+  else
+    return -1;
+}
+
+static inline int
+__gthread_key_delete (__gthread_key_t key)
+{
+  if (__tpf_pthread_active ())
+    return __gthrw_(pthread_key_delete) (key);
+  else
+    return -1;
+}
+
+static inline void *
+__gthread_getspecific (__gthread_key_t key)
+{
+  if (__tpf_pthread_active ())
+    return __gthrw_(pthread_getspecific) (key);
+  else
+    return NULL;
+}
+
+static inline int
+__gthread_setspecific (__gthread_key_t key, const void *ptr)
+{
+  if (__tpf_pthread_active ())
+    return __gthrw_(pthread_setspecific) (key, ptr);
+  else
+    return -1;
+}
+
+static inline int
+__gthread_mutex_lock (__gthread_mutex_t *mutex)
+{
+  if (__tpf_pthread_active ())
+    return __gthrw_(pthread_mutex_lock) (mutex);
+  else
+    return 0;
+}
+
+static inline int
+__gthread_mutex_trylock (__gthread_mutex_t *mutex)
+{
+  if (__tpf_pthread_active ())
+    return __gthrw_(pthread_mutex_trylock) (mutex);
+  else
+    return 0;
+}
+
+static inline int
+__gthread_mutex_unlock (__gthread_mutex_t *mutex)
+{
+  if (__tpf_pthread_active ())
+    return __gthrw_(pthread_mutex_unlock) (mutex);
+  else
+    return 0;
+}
+
+static inline int
+__gthread_recursive_mutex_lock (__gthread_recursive_mutex_t *mutex)
+{
+  if (__tpf_pthread_active ())
+    return __gthread_mutex_lock (mutex);
+  else
+    return 0;
+}
+
+static inline int
+__gthread_recursive_mutex_trylock (__gthread_recursive_mutex_t *mutex)
+{
+  if (__tpf_pthread_active ())
+    return __gthread_mutex_trylock (mutex);
+  else
+    return 0;
+}
+
+static inline int
+__gthread_recursive_mutex_unlock (__gthread_recursive_mutex_t *mutex)
+{
+  if (__tpf_pthread_active ())
+    return __gthread_mutex_unlock (mutex);
+  else
+    return 0;
+}
+
+static inline int
+__gthread_recursive_mutex_init_function (__gthread_recursive_mutex_t *mutex)
+{ 
+  if (__tpf_pthread_active ())
+    {
+      pthread_mutexattr_t attr;
+      int r;
+
+      r = __gthrw_(pthread_mutexattr_init) (&attr);
+      if (!r)
+	r = __gthrw_(pthread_mutexattr_settype) (&attr, PTHREAD_MUTEX_RECURSIVE);
+      if (!r)
+	r = __gthrw_(pthread_mutex_init) (mutex, &attr);
+      if (!r)
+	r = __gthrw_(pthread_mutexattr_destroy) (&attr);
+      return r;
+    }
+  return 0;
+}
+
+
+#endif /* ! GCC_GTHR_TPF_H */