Workaround for Itanium A/B step errata

[pf3gnuchains/gcc-fork.git] / gcc / c-pragma.h

diff --git a/gcc/c-pragma.h b/gcc/c-pragma.h
index 7eaacd0..314273b 100644 (file)
--- a/gcc/c-pragma.h
+++ b/gcc/c-pragma.h
@@ -1,5 +1,5 @@
 /* Pragma related interfaces.
-   Copyright (C) 1995 Free Software Foundation, Inc.
+   Copyright (C) 1995, 1998, 1999, 2000 Free Software Foundation, Inc.
 
 This file is part of GNU CC.
 
@@ -15,34 +15,64 @@ GNU General Public License for more details.
 
 You should have received a copy of the GNU General Public License
 along with GNU CC; see the file COPYING.  If not, write to
-the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.  */
+the Free Software Foundation, 59 Temple Place - Suite 330,
+Boston, MA 02111-1307, USA.  */
+
+#ifndef _C_PRAGMA_H
+#define _C_PRAGMA_H
 
 #ifdef HANDLE_SYSV_PRAGMA
+/* Support #pragma weak iff ASM_WEAKEN_LABEL and ASM_OUTPUT_DEF are
+   defined.  */
+#if defined (ASM_WEAKEN_LABEL) && defined (ASM_OUTPUT_DEF)
+#define HANDLE_PRAGMA_WEAK SUPPORTS_WEAK
+#endif
 
-/* Support #pragma weak by default if WEAK_ASM_OP and ASM_OUTPUT_DEF
-   are defined.  */
-#if !defined (HANDLE_PRAGMA_WEAK) && defined (WEAK_ASM_OP) && defined (ASM_OUTPUT_DEF)
-#define HANDLE_PRAGMA_WEAK 1
+/* We always support #pragma pack for SYSV pragmas.  */
+#ifndef HANDLE_PRAGMA_PACK
+#define HANDLE_PRAGMA_PACK 1
 #endif
+#endif /* HANDLE_SYSV_PRAGMA */
+
 
-enum pragma_state
+#ifdef HANDLE_PRAGMA_PACK_PUSH_POP
+/* If we are supporting #pragma pack(push... then we automatically
+   support #pragma pack(<n>)  */
+#define HANDLE_PRAGMA_PACK 1
+#endif /* HANDLE_PRAGMA_PACK_PUSH_POP */
+
+
+#ifdef HANDLE_PRAGMA_WEAK
+/* This structure contains any weak symbol declarations waiting to be emitted.  */
+struct weak_syms
 {
-  ps_start,
-  ps_done,
-  ps_bad,
-  ps_weak,
-  ps_name,
-  ps_equals,
-  ps_value,
-  ps_pack,
-  ps_left,
-  ps_align,
-  ps_right
+  struct weak_syms * next;
+  const char * name;
+  const char * value;
 };
 
-/* Output asm to handle ``#pragma weak'' */
-extern void handle_pragma_weak PROTO((enum pragma_state, char *, char *));
+/* Declared in varasm.c */
+extern struct weak_syms * weak_decls;
 
-/* Handle a C style pragma */
-extern void handle_pragma_token PROTO((char *, tree));
-#endif /* HANDLE_SYSV_PRAGMA */
+extern int add_weak PARAMS ((const char *, const char *));
+#endif /* HANDLE_PRAGMA_WEAK */
+
+extern void init_pragma PARAMS ((void));
+
+/* If cpplib is in use, it handles dispatch.  */
+#if !USE_CPPLIB
+extern void dispatch_pragma PARAMS ((void));
+#endif
+
+/* Duplicate prototypes for the register_pragma stuff and the typedef for
+   cpp_reader, to avoid dragging cpplib.h in almost everywhere... */
+#ifndef __GCC_CPPLIB__
+typedef struct cpp_reader cpp_reader;
+
+extern void cpp_register_pragma PARAMS ((cpp_reader *,
+                                        const char *, const char *,
+                                        void (*) PARAMS ((cpp_reader *))));
+extern void cpp_register_pragma_space PARAMS ((cpp_reader *, const char *));
+#endif
+
+#endif /* _C_PRAGMA_H */