labels.h

   1 /* ----------------------------------------------------------------------- *
   2  *
   3  *   Copyright 1996-2009 The NASM Authors - All Rights Reserved
   4  *   See the file AUTHORS included with the NASM distribution for
   5  *   the specific copyright holders.
   6  *
   7  *   This program is free software; you can redistribute it and/or modify
   8  *   it under the terms of the GNU Lesser General Public License as
   9  *   published by the Free Software Foundation, Inc.,
  10  *   51 Franklin St, Fifth Floor, Boston MA 02110-1301, USA; version 2.1,
  11  *   or, at your option, any later version, incorporated herein by
  12  *   reference.
  13  *
  14  *   Patches submitted to this file are required to be dual licensed
  15  *   under the LGPL 2.1+ and the 2-clause BSD license:
  16  *
  17  *   Copyright 1996-2009 the NASM Authors - All rights reserved.
  18  *
  19  *   Redistribution and use in source and binary forms, with or without
  20  *   modification, are permitted provided that the following
  21  *   conditions are met:
  22  *
  23  *   * Redistributions of source code must retain the above copyright
  24  *     notice, this list of conditions and the following disclaimer.
  25  *   * Redistributions in binary form must reproduce the above
  26  *     copyright notice, this list of conditions and the following
  27  *     disclaimer in the documentation and/or other materials provided
  28  *     with the distribution.
  29  *
  30  *     THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
  31  *     CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
  32  *     INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
  33  *     MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
  34  *     DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
  35  *     CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  36  *     SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  37  *     NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
  38  *     LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  39  *     HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
  40  *     CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
  41  *     OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
  42  *     EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  43  *
  44  * ----------------------------------------------------------------------- */
  45
  46 /*
  47  * labels.h  header file for labels.c
  48  */
  49
  50 #ifndef LABELS_H
  51 #define LABELS_H
  52
  53 extern char lprefix[PREFIX_MAX];
  54 extern char lpostfix[PREFIX_MAX];
  55
  56 bool lookup_label(char *label, int32_t *segment, int64_t *offset);
  57 bool is_extern(char *label);
  58 void define_label(char *label, int32_t segment, int64_t offset, char *special,
  59                   bool is_norm, bool isextrn, struct ofmt *ofmt,
  60                   efunc error);
  61 void redefine_label(char *label, int32_t segment, int64_t offset, char *special,
  62                     bool is_norm, bool isextrn, struct ofmt *ofmt,
  63                     efunc error);
  64 void define_common(char *label, int32_t segment, int32_t size, char *special,
  65                    struct ofmt *ofmt, efunc error);
  66 void declare_as_global(char *label, char *special, efunc error);
  67 int init_labels(void);
  68 void cleanup_labels(void);
  69 char *local_scope(char *label);
  70
  71 #endif /* LABELS_H */