1 /* Pragma related interfaces.
2 Copyright (C) 1995, 1998, 1999, 2000, 2001 Free Software Foundation, Inc.
4 This file is part of GCC.
6 GCC is free software; you can redistribute it and/or modify it under
7 the terms of the GNU General Public License as published by the Free
8 Software Foundation; either version 2, or (at your option) any later
11 GCC is distributed in the hope that it will be useful, but WITHOUT ANY
12 WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
16 You should have received a copy of the GNU General Public License
17 along with GCC; see the file COPYING. If not, write to the Free
18 Software Foundation, 59 Temple Place - Suite 330, Boston, MA
21 #ifndef GCC_C_PRAGMA_H
22 #define GCC_C_PRAGMA_H
24 #ifdef HANDLE_SYSV_PRAGMA
25 /* Support #pragma weak iff ASM_WEAKEN_LABEL and ASM_OUTPUT_WEAK_ALIAS are
27 #if defined (ASM_WEAKEN_LABEL) && defined (ASM_OUTPUT_WEAK_ALIAS)
28 #define HANDLE_PRAGMA_WEAK SUPPORTS_WEAK
31 /* We always support #pragma pack for SYSV pragmas. */
32 #ifndef HANDLE_PRAGMA_PACK
33 #define HANDLE_PRAGMA_PACK 1
35 #endif /* HANDLE_SYSV_PRAGMA */
38 #ifdef HANDLE_PRAGMA_PACK_PUSH_POP
39 /* If we are supporting #pragma pack(push... then we automatically
40 support #pragma pack(<n>) */
41 #define HANDLE_PRAGMA_PACK 1
42 #endif /* HANDLE_PRAGMA_PACK_PUSH_POP */
45 #ifdef HANDLE_PRAGMA_WEAK
46 /* This structure contains any weak symbol declarations waiting to be emitted. */
49 struct weak_syms * next;
54 /* Declared in varasm.c */
55 extern struct weak_syms * weak_decls;
57 extern int add_weak PARAMS ((const char *, const char *));
58 #endif /* HANDLE_PRAGMA_WEAK */
60 extern void init_pragma PARAMS ((void));
62 /* Duplicate prototypes for the register_pragma stuff and the typedef for
63 cpp_reader, to avoid dragging cpplib.h in almost everywhere... */
65 typedef struct cpp_reader cpp_reader;
67 extern void cpp_register_pragma PARAMS ((cpp_reader *,
68 const char *, const char *,
69 void (*) PARAMS ((cpp_reader *))));
70 extern void cpp_register_pragma_space PARAMS ((cpp_reader *, const char *));
73 #endif /* GCC_C_PRAGMA_H */