| /* Pragma related interfaces. |
| Copyright (C) 1995, 1998, 1999, 2000 Free Software Foundation, Inc. |
| |
| This file is part of GNU CC. |
| |
| GNU CC 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 2, or (at your option) |
| any later version. |
| |
| GNU CC 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 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 |
| #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; |
| const char * name; |
| const char * value; |
| }; |
| |
| /* Declared in varasm.c */ |
| extern struct weak_syms * weak_decls; |
| |
| extern int add_weak PARAMS ((const char *, const char *)); |
| #endif /* HANDLE_PRAGMA_WEAK */ |
| |
| extern void init_pragma PARAMS ((void)); |
| |
| /* 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 */ |