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 /* Support #pragma weak iff ASM_WEAKEN_LABEL and ASM_OUTPUT_WEAK_ALIAS are
  27    defined.  */
  28 #if defined (ASM_WEAKEN_LABEL) && defined (ASM_OUTPUT_WEAK_ALIAS)
  29 #define HANDLE_PRAGMA_WEAK SUPPORTS_WEAK
  30 #endif
  31
  32 /* We always support #pragma pack for SYSV pragmas.  */
  33 #ifndef HANDLE_PRAGMA_PACK
  34 #define HANDLE_PRAGMA_PACK 1
  35 #endif
  36 #endif /* HANDLE_SYSV_PRAGMA */
  37
  38
  39 #ifdef HANDLE_PRAGMA_PACK_PUSH_POP
  40 /* If we are supporting #pragma pack(push... then we automatically
  41    support #pragma pack(<n>)  */
  42 #define HANDLE_PRAGMA_PACK 1
  43 #endif /* HANDLE_PRAGMA_PACK_PUSH_POP */
  44
  45 extern void init_pragma PARAMS ((void));
  46
  47 /* Duplicate prototypes for the register_pragma stuff and the typedef for
  48    cpp_reader, to avoid dragging cpplib.h in almost everywhere...  */
  49 #ifndef GCC_CPPLIB_H
  50 typedef struct cpp_reader cpp_reader;
  51
  52 extern void cpp_register_pragma PARAMS ((cpp_reader *,
  53                                          const char *, const char *,
  54                                          void (*) PARAMS ((cpp_reader *))));
  55 #endif
  56
  57 #endif /* GCC_C_PRAGMA_H */