gcc/c-pragma.h

   1 /* Pragma related interfaces.
   2    Copyright (C) 1995, 1998, 1999, 2000, 2001, 2002
   3    Free Software Foundation, Inc.
   4
   5 This file is part of GCC.
   6
   7 GCC is free software; you can redistribute it and/or modify it under
   8 the terms of the GNU General Public License as published by the Free
   9 Software Foundation; either version 2, or (at your option) any later
  10 version.
  11
  12 GCC is distributed in the hope that it will be useful, but WITHOUT ANY
  13 WARRANTY; without even the implied warranty of MERCHANTABILITY or
  14 FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  15 for more details.
  16
  17 You should have received a copy of the GNU General Public License
  18 along with GCC; see the file COPYING.  If not, write to the Free
  19 Software Foundation, 59 Temple Place - Suite 330, Boston, MA
  20 02111-1307, USA.  */
  21
  22 #ifndef GCC_C_PRAGMA_H
  23 #define GCC_C_PRAGMA_H
  24
  25 #ifdef HANDLE_SYSV_PRAGMA
  26 #if ((defined (ASM_WEAKEN_LABEL) && defined (ASM_OUTPUT_WEAK_ALIAS)) \
  27      || defined (ASM_WEAKEN_DECL))
  28 #define HANDLE_PRAGMA_WEAK SUPPORTS_WEAK
  29 #endif
  30
  31 /* We always support #pragma pack for SYSV pragmas.  */
  32 #ifndef HANDLE_PRAGMA_PACK
  33 #define HANDLE_PRAGMA_PACK 1
  34 #endif
  35 #endif /* HANDLE_SYSV_PRAGMA */
  36
  37
  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 */
  43
  44 extern void init_pragma PARAMS ((void));
  45
  46 /* Duplicate prototypes for the register_pragma stuff and the typedef for
  47    cpp_reader, to avoid dragging cpplib.h in almost everywhere...  */
  48 #ifndef GCC_CPPLIB_H
  49 typedef struct cpp_reader cpp_reader;
  50
  51 extern void cpp_register_pragma PARAMS ((cpp_reader *,
  52                                          const char *, const char *,
  53                                          void (*) PARAMS ((cpp_reader *))));
  54 #endif
  55
  56 extern void maybe_apply_pragma_weak PARAMS ((tree));
  57
  58 #endif /* GCC_C_PRAGMA_H */