X-Git-Url: http://git.sourceforge.jp/view?a=blobdiff_plain;f=gcc%2Fc-pragma.h;h=685f54aeb78c645fc853d1df8ac908e7daa82487;hb=ad5951a860956fd4285a3438cb9c22cff8457679;hp=49c39fa591e9503f42fc22e2f3a9aac29a44bc34;hpb=8d62a21cd3d8c4d8311bab2e02530218e76db6a7;p=pf3gnuchains%2Fgcc-fork.git

diff --git a/gcc/c-pragma.h b/gcc/c-pragma.h
index 49c39fa591e..685f54aeb78 100644
--- 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 Free Software Foundation, Inc.
 
 This file is part of GNU CC.
 
@@ -18,29 +18,83 @@ along with GNU CC; see the file COPYING.  If not, write to
 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
 
+/* We always support #pragma pack for SYSV pragmas.  */
+#ifndef HANDLE_PRAGMA_PACK
+#define HANDLE_PRAGMA_PACK 1
+#endif
+#endif /* HANDLE_SYSV_PRAGMA */
+
+
+#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
+#define PRAGMA_INSERT_ATTRIBUTES(node, pattr, prefix_attr) \
+  insert_pack_attributes (node, pattr, prefix_attr)
+extern void insert_pack_attributes PROTO((tree, tree *, tree *));
+#endif /* HANDLE_PRAGMA_PACK_PUSH_POP */
+
+
+#ifdef HANDLE_PRAGMA_WEAK
+/* This structure contains any weak symbol declarations waiting to be emitted.  */
+struct weak_syms
+{
+  struct weak_syms * next;
+  char * name;
+  char * value;
+};
+
+/* Declared in varasm.c */
+extern struct weak_syms * weak_decls;
+#endif /* HANDLE_PRAGMA_WEAK */
+
+
+#if defined HANDLE_PRAGMA_PACK || defined HANDLE_PRAGMA_WEAK
+/* Define HANDLE_GENERIC_PRAGMAS if any kind of front-end pragma
+   parsing is to be done.  The code in GCC's generic C source files
+   will only look for the definition of this constant.  They will
+   ignore definitions of HANDLE_PRAGMA_PACK and so on.  */
+#define HANDLE_GENERIC_PRAGMAS 1
+#endif
+
+
+#ifdef HANDLE_GENERIC_PRAGMAS
 enum pragma_state
 {
   ps_start,
   ps_done,
-  ps_bad,
+#ifdef HANDLE_PRAGMA_WEAK
   ps_weak,
   ps_name,
   ps_equals,
   ps_value,
+#endif
+#ifdef HANDLE_PRAGMA_PACK
   ps_pack,
   ps_left,
   ps_align,
-  ps_right
+  ps_right,
+#endif
+#ifdef HANDLE_PRAGMA_PACK_PUSH_POP
+  ps_push,
+  ps_pop,
+  ps_comma,
+#endif
+  ps_bad
 };
 
-/* Output asm to handle ``#pragma weak'' */
-extern void handle_pragma_weak PROTO((enum pragma_state, char *, char *));
-
 /* Handle a C style pragma */
-extern void handle_pragma_token PROTO((char *, tree));
+extern int handle_pragma_token PROTO((char *, tree));
+
+#endif /* HANDLE_GENERIC_PRAGMAS */
+#endif /* _C_PRAGMA_H */