Imported gcc-4.4.3

[msp430-gcc.git] / gcc / config / i386 / netware-crt0.c

diff --git a/gcc/config/i386/netware-crt0.c b/gcc/config/i386/netware-crt0.c
new file mode 100644 (file)
index 0000000..03141ab
--- /dev/null
+++ b/gcc/config/i386/netware-crt0.c
@@ -0,0 +1,79 @@
+/* Startup routines for NetWare.
+   Contributed by Jan Beulich (jbeulich@novell.com)
+   Copyright (C) 2004, 2007 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 3, 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 COPYING3.  If not see
+<http://www.gnu.org/licenses/>.  */
+
+#include <stddef.h>
+#include <stdint.h>
+#include "unwind-dw2-fde.h"
+
+int __init_environment (void *);
+int __deinit_environment (void *);
+
+
+#define SECTION_DECL(name, decl) decl __attribute__((__section__(name)))
+
+SECTION_DECL(".ctors",   void(*const __CTOR_LIST__)(void))
+  = (void(*)(void))(intptr_t)-1;
+SECTION_DECL(".ctors$_", void(*const __CTOR_END__)(void)) = NULL;
+
+SECTION_DECL(".dtors",   void(*const __DTOR_LIST__)(void))
+  = (void(*)(void))(intptr_t)-1;
+SECTION_DECL(".dtors$_", void(*const __DTOR_END__)(void)) = NULL;
+
+/* No need to use the __[de]register_frame_info_bases functions since
+   for us the bases are NULL always anyway. */
+void __register_frame_info (const void *, struct object *)
+  __attribute__((__weak__));
+void *__deregister_frame_info (const void *) __attribute__((__weak__));
+
+SECTION_DECL(".eh_frame", /*const*/ uint32_t __EH_FRAME_BEGIN__[]) = { };
+SECTION_DECL(".eh_frame$_", /*const*/ uint32_t __EH_FRAME_END__[]) = {0};
+
+int
+__init_environment (void *unused __attribute__((__unused__)))
+{
+  void (* const * pctor)(void);
+  static struct object object;
+
+  if (__register_frame_info)
+    __register_frame_info (__EH_FRAME_BEGIN__, &object);
+
+  for (pctor = &__CTOR_END__ - 1; pctor > &__CTOR_LIST__; --pctor)
+    if (*pctor != NULL)
+      (*pctor)();
+
+  return 0;
+}
+
+int
+__deinit_environment (void *unused __attribute__((__unused__)))
+{
+  /* This should be static to prevent calling the same destructor
+     twice (just in case where we get here multiple times).  */
+  static void (* const * pdtor)(void) = &__DTOR_LIST__ + 1;
+
+  while (pdtor < &__DTOR_END__)
+    if (*pdtor++ != NULL)
+      pdtor[-1] ();
+
+  if (__deregister_frame_info)
+    __deregister_frame_info(__EH_FRAME_BEGIN__);
+
+  return 0;
+}