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-rw-r--r--contrib/gcc/c-pragma.h69
1 files changed, 62 insertions, 7 deletions
diff --git a/contrib/gcc/c-pragma.h b/contrib/gcc/c-pragma.h
index 49c39fa591e9..f94ee9fe6c50 100644
--- a/contrib/gcc/c-pragma.h
+++ b/contrib/gcc/c-pragma.h
@@ -1,5 +1,5 @@
/* Pragma related interfaces.
- Copyright (C) 1995 Free Software Foundation, Inc.
+ Copyright (C) 1995, 1998, 1999 Free Software Foundation, Inc.
This file is part of GNU CC.
@@ -18,29 +18,84 @@ 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;
+
+extern int add_weak PROTO((char *, char *));
+#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_pushcomma, ps_pushid, ps_pushcomma2,
+ ps_pop, ps_popcomma,
+#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((const char *, tree));
+
+#endif /* HANDLE_GENERIC_PRAGMAS */
+#endif /* _C_PRAGMA_H */