ld/ld.h

   1 /* ld.h -
   2
   3    Copyright (C) 1991, 1993 Free Software Foundation, Inc.
   4
   5    This file is part of GLD, the Gnu Linker.
   6
   7    GLD is free software; you can redistribute it and/or modify
   8    it under the terms of the GNU General Public License as published by
   9    the Free Software Foundation; either version 2, or (at your option)
  10    any later version.
  11
  12    GLD is distributed in the hope that it will be useful,
  13    but WITHOUT ANY WARRANTY; without even the implied warranty of
  14    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15    GNU General Public License for more details.
  16
  17    You should have received a copy of the GNU General Public License
  18    along with GLD; see the file COPYING.  If not, write to
  19    the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.  */
  20
  21
  22 #define flag_is_not_at_end(x) ((x) & BSF_NOT_AT_END)
  23 #define flag_is_ordinary_local(x) (((x) & (BSF_LOCAL))&!((x) & (BSF_DEBUGGING)))
  24 #define flag_is_debugger(x) ((x) & BSF_DEBUGGING)
  25 #define flag_is_undefined_or_global(x) ((x) & (BSF_UNDEFINED | BSF_GLOBAL))
  26 #define flag_is_defined(x) (!((x) & (BSF_UNDEFINED)))
  27 #define flag_is_global_or_common(x) ((x) & (BSF_GLOBAL | BSF_FORT_COMM))
  28 #define flag_is_undefined_or_global_or_common(x) ((x) & (BSF_UNDEFINED | BSF_GLOBAL | BSF_FORT_COMM))
  29 #define flag_is_undefined_or_global_or_common_or_constructor(x) ((x) & (BSF_UNDEFINED | BSF_GLOBAL | BSF_FORT_COMM | BSF_CONSTRUCTOR))
  30 #define flag_is_constructor(x) ((x) & BSF_CONSTRUCTOR)
  31 #define flag_is_common(x) ((x) & BSF_FORT_COMM)
  32 #define flag_is_global(x) ((x) & (BSF_GLOBAL))
  33 #define flag_is_weak(x) ((x) & BSF_WEAK)
  34 #define flag_is_undefined(x) ((x) & BSF_UNDEFINED)
  35 #define flag_set(x,y) (x = y)
  36 #define flag_is_fort_comm(x) ((x) & BSF_FORT_COMM)
  37 #define flag_is_absolute(x) ((x) & BSF_ABSOLUTE)
  38 /* Extra information we hold on sections */
  39 typedef struct  user_section_struct {
  40   /* Pointer to the section where this data will go */
  41   struct lang_input_statement_struct *file;
  42 } section_userdata_type;
  43
  44
  45 #define get_userdata(x) ((x)->userdata)
  46 #define as_output_section_statement(x) ((x)->otheruserdata)
  47
  48
  49
  50 /* Which symbols should be stripped (omitted from the output):
  51    none, all, or debugger symbols.  */
  52 typedef  enum { STRIP_NONE, STRIP_ALL, STRIP_DEBUGGER, STRIP_SOME } strip_symbols_type;
  53
  54
  55
  56
  57 /* Which local symbols should be omitted:
  58    none, all, or those starting with L.
  59    This is irrelevant if STRIP_NONE.  */
  60 typedef  enum { DISCARD_NONE, DISCARD_ALL, DISCARD_L } discard_locals_type;
  61
  62
  63 #define BYTE_SIZE       (1)
  64 #define SHORT_SIZE      (2)
  65 #define LONG_SIZE       (4)
  66
  67 /* ALIGN macro changed to ALIGN_N to avoid      */
  68 /* conflict in /usr/include/machine/machparam.h */
  69 /* WARNING: If THIS is a 64 bit address and BOUNDARY is an unsigned int,
  70    you must coerce boundary to the same type as THIS.
  71    ??? Is there a portable way to avoid this.  */
  72 #define ALIGN_N(this, boundary)  ((( (this) + ((boundary) -1)) & (~((boundary)-1))))
  73
  74 typedef struct {
  75   /* 1 => assign space to common symbols even if `relocatable_output'.  */
  76   boolean force_common_definition;
  77   boolean relax;
  78
  79 } args_type;
  80
  81 typedef int token_code_type;
  82
  83 typedef struct
  84 {
  85   bfd_size_type specified_data_size;
  86   boolean magic_demand_paged;
  87   boolean make_executable;
  88   /* 1 => write relocation into output file so can re-input it later.  */
  89   boolean relocateable_output;
  90
  91   /* Will we build contstructors, or leave alone ? */
  92   boolean build_constructors;
  93
  94   /* If true, warn about merging common symbols with others.  */
  95   boolean warn_common;
  96
  97   boolean sort_common;
  98 /* these flags may seem mutually exclusive, but not setting them
  99    allows the back end to decide what would be the best thing to do */
 100   boolean text_read_only;
 101
 102    char *map_filename;
 103    FILE *map_file;
 104
 105 } ld_config_type;
 106 #define set_asymbol_chain(x,y) ((x)->udata = (PTR)y)
 107 #define get_asymbol_chain(x) ((asymbol **)((x)->udata))
 108 #define get_loader_symbol(x) ((loader_global_asymbol *)((x)->udata))
 109 #define set_loader_symbol(x,y) ((x)->udata = (PTR)y)
 110
 111
 112
 113
 114
 115
 116 typedef enum {
 117   lang_first_phase_enum,
 118   lang_allocating_phase_enum,
 119   lang_final_phase_enum } lang_phase_type;
 120
 121
 122
 123
 124
 125 int yyparse();