gcc/c-pragma.h

   1 /* Pragma related interfaces.
   2    Copyright (C) 1995, 1998 Free Software Foundation, Inc.
   3
   4 This file is part of GNU CC.
   5
   6 GNU CC is free software; you can redistribute it and/or modify
   7 it under the terms of the GNU General Public License as published by
   8 the Free Software Foundation; either version 2, or (at your option)
   9 any later version.
  10
  11 GNU CC is distributed in the hope that it will be useful,
  12 but WITHOUT ANY WARRANTY; without even the implied warranty of
  13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14 GNU General Public License for more details.
  15
  16 You should have received a copy of the GNU General Public License
  17 along with GNU CC; see the file COPYING.  If not, write to
  18 the Free Software Foundation, 59 Temple Place - Suite 330,
  19 Boston, MA 02111-1307, USA.  */
  20
  21 #ifdef HANDLE_SYSV_PRAGMA
  22
  23 /* Support #pragma weak iff ASM_WEAKEN_LABEL and ASM_OUTPUT_DEF are
  24    defined.  */
  25 #if defined (ASM_WEAKEN_LABEL) && defined (ASM_OUTPUT_DEF)
  26 #define HANDLE_PRAGMA_WEAK SUPPORTS_WEAK
  27 #endif
  28
  29 enum pragma_state
  30 {
  31   ps_start,
  32   ps_done,
  33   ps_bad,
  34   ps_weak,
  35   ps_name,
  36   ps_equals,
  37   ps_value,
  38   ps_pack,
  39   ps_left,
  40   ps_align,
  41   ps_right
  42 };
  43
  44 /* Output asm to handle ``#pragma weak'' */
  45 extern void handle_pragma_weak PROTO((enum pragma_state, char *, char *));
  46
  47 /* Handle a C style pragma */
  48 extern int handle_pragma_token PROTO((char *, tree));
  49
  50 #endif /* HANDLE_SYSV_PRAGMA */