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  *   Redistribution and use in source and binary forms, with or without
   8  *   modification, are permitted provided that the following
   9  *   conditions are met:
  10  *
  11  *   * Redistributions of source code must retain the above copyright
  12  *     notice, this list of conditions and the following disclaimer.
  13  *   * Redistributions in binary form must reproduce the above
  14  *     copyright notice, this list of conditions and the following
  15  *     disclaimer in the documentation and/or other materials provided
  16  *     with the distribution.
  17  *
  18  *     THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
  19  *     CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
  20  *     INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
  21  *     MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
  22  *     DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
  23  *     CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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  25  *     NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
  26  *     LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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  29  *     OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
  30  *     EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  31  *
  32  * ----------------------------------------------------------------------- */
  33
  34 /*
  35  * labels.h  header file for labels.c
  36  */
  37
  38 #ifndef LABELS_H
  39 #define LABELS_H
  40
  41 extern char lprefix[PREFIX_MAX];
  42 extern char lpostfix[PREFIX_MAX];
  43
  44 bool lookup_label(char *label, int32_t *segment, int64_t *offset);
  45 bool is_extern(char *label);
  46 void define_label(char *label, int32_t segment, int64_t offset, char *special,
  47                   bool is_norm, bool isextrn);
  48 void redefine_label(char *label, int32_t segment, int64_t offset, char *special,
  49                     bool is_norm, bool isextrn);
  50 void define_common(char *label, int32_t segment, int32_t size, char *special);
  51 void declare_as_global(char *label, char *special);
  52 int init_labels(void);
  53 void cleanup_labels(void);
  54 char *local_scope(char *label);
  55
  56 #endif /* LABELS_H */