/* Pragma related interfaces. Copyright (C) 1995, 1998, 1999 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 #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, #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, #endif #ifdef HANDLE_PRAGMA_PACK_PUSH_POP ps_push, ps_pushcomma, ps_pushid, ps_pushcomma2, ps_pop, ps_popcomma, #endif ps_bad }; /* Handle a C style pragma */ extern int handle_pragma_token PROTO((const char *, tree)); #endif /* HANDLE_GENERIC_PRAGMAS */ #endif /* _C_PRAGMA_H */