ld/ld.h

   1 /* ld.h -
   2
   3    Copyright (C) 1991 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 1, 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_common(x) ((x) & BSF_FORT_COMM)
  30 #define flag_is_global(x) ((x) & (BSF_GLOBAL))
  31 #define flag_is_undefined(x) ((x) & BSF_UNDEFINED)
  32 #define flag_set(x,y) (x = y)
  33 #define flag_is_fort_comm(x) ((x) & BSF_FORT_COMM)
  34 #define flag_is_absolute(x) ((x) & BSF_ABSOLUTE)
  35 /* Extra information we hold on sections */
  36 typedef struct  user_section_struct {
  37   /* Pointer to the section where this data will go */
  38   struct lang_input_statement_struct *file;
  39 } section_userdata_type;
  40
  41
  42 #define get_userdata(x) ((x)->userdata)
  43 #define as_output_section_statement(x) ((x)->otheruserdata)
  44
  45 #if 0
  46 /*
  47  * Structure for communication between do_file_warnings and it's
  48  * helper routines.  Will in practice be an array of three of these:
  49  * 0) Current line, 1) Next line, 2) Source file info.
  50  */
  51 struct line_debug_entry
  52 {
  53   int line;
  54   char *filename;
  55   struct nlist *sym;
  56 };
  57
  58 #endif
  59
  60
  61 /* Which symbols should be stripped (omitted from the output):
  62    none, all, or debugger symbols.  */
  63 enum { STRIP_NONE, STRIP_ALL, STRIP_DEBUGGER } strip_symbols;
  64
  65
  66
  67
  68 /* Which local symbols should be omitted:
  69    none, all, or those starting with L.
  70    This is irrelevant if STRIP_NONE.  */
  71 enum { DISCARD_NONE, DISCARD_ALL, DISCARD_L } discard_locals;
  72
  73
  74
  75
  76
  77
  78 #define ALIGN(this, boundary)  ((( (this) + ((boundary) -1)) & (~((boundary)-1))))
  79 #if 0
  80 #define FOREACHGLOBALSYMBOL(x)   ldsym_type *x; for (x = symbol_head; x; x=x->next)
  81
  82
  83
  84
  85 #define SECTIONLOOP(abfd, ptr) \
  86   asection *ptr; for(ptr = abfd->sections; ptr;ptr=ptr->next)
  87
  88
  89 #endif
  90 typedef struct {
  91
  92   /* 1 => assign space to common symbols even if `relocatable_output'.  */
  93   boolean force_common_definition;
  94
  95 } args_type;
  96
  97 typedef int token_code_type;
  98
  99 typedef struct
 100 {
 101   unsigned int specified_data_size;
 102   boolean magic_demand_paged;
 103   boolean make_executable;
 104   /* 1 => write relocation into output file so can re-input it later.  */
 105   boolean relocateable_output;
 106
 107   /* Will we build contstructors, or leave alone ? */
 108   boolean build_constructors;
 109   /* 1 => write relocation such that a UNIX linker can understand it.
 110      This is used mainly to finish of sets that were built.  */
 111   boolean unix_relocate;
 112
 113
 114 } ld_config_type;
 115 #define set_asymbol_chain(x,y) ((x)->udata = (void *)y)
 116 #define get_asymbol_chain(x) ((asymbol **)((x)->udata))
 117 #define get_loader_symbol(x) ((loader_global_asymbol *)((x)->udata))
 118 #define set_loader_symbol(x,y) ((x)->udata = (void *)y)
 119
 120
 121
 122
 123
 124
 125 typedef enum {
 126   lang_first_phase_enum,
 127   lang_allocating_phase_enum,
 128   lang_final_phase_enum } lang_phase_type;
 129
 130
 131
 132