binutils/dwarf.h

   1 /* dwwrf.h - DWARF support header file
   2    Copyright 2005
   3    Free Software Foundation, Inc.
   4
   5 This file is part of GNU Binutils.
   6
   7 This program 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 of the License, or
  10 (at your option) any later version.
  11
  12 This program 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 this program; if not, write to the Free Software
  19 Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA.  */
  20
  21 #include "bfd.h"
  22 #include "elf/dwarf2.h"
  23
  24 #if __STDC_VERSION__ >= 199901L || (defined(__GNUC__) && __GNUC__ >= 2)
  25 /* We can't use any bfd types here since readelf may define BFD64 and
  26    objdump may not.  */
  27 typedef unsigned long long dwarf_vma;
  28 typedef unsigned long long dwarf_size_type;
  29 #else
  30 typedef unsigned long dwarf_vma;
  31 typedef unsigned long dwarf_size_type;
  32 #endif
  33
  34 struct dwarf_section
  35 {
  36   const char *name;
  37   unsigned char *start;
  38   dwarf_vma address;
  39   dwarf_size_type size;
  40 };
  41
  42 /* A structure containing the name of a debug section
  43    and a pointer to a function that can decode it.  */
  44 struct dwarf_section_display
  45 {
  46   struct dwarf_section section;
  47   int (*display) (struct dwarf_section *, void *);
  48   unsigned int relocate : 1;
  49   unsigned int eh_frame : 1;
  50 };
  51
  52 enum dwarf_section_display_enum {
  53   abbrev = 0,
  54   aranges,
  55   frame,
  56   info,
  57   line,
  58   pubnames,
  59   eh_frame,
  60   macinfo,
  61   str,
  62   loc,
  63   pubtypes,
  64   ranges,
  65   static_func,
  66   static_vars,
  67   types,
  68   weaknames,
  69   max
  70 };
  71
  72 extern struct dwarf_section_display debug_displays [];
  73
  74 /* This structure records the information that
  75    we extract from the.debug_info section.  */
  76 typedef struct
  77 {
  78   unsigned int   pointer_size;
  79   unsigned long  cu_offset;
  80   unsigned long  base_address;
  81   /* This is an array of offsets to the location list table.  */
  82   unsigned long *loc_offsets;
  83   int           *have_frame_base;
  84   unsigned int   num_loc_offsets;
  85   unsigned int   max_loc_offsets;
  86   unsigned long *range_lists;
  87   unsigned int   num_range_lists;
  88   unsigned int   max_range_lists;
  89 }
  90 debug_info;
  91
  92 extern dwarf_vma (*byte_get) (unsigned char *, int);
  93 extern dwarf_vma byte_get_little_endian (unsigned char *, int);
  94 extern dwarf_vma byte_get_big_endian (unsigned char *, int);
  95
  96 extern dwarf_vma eh_addr_size;
  97 extern int is_relocatable;
  98
  99 extern int do_debug_info;
 100 extern int do_debug_abbrevs;
 101 extern int do_debug_lines;
 102 extern int do_debug_pubnames;
 103 extern int do_debug_aranges;
 104 extern int do_debug_ranges;
 105 extern int do_debug_frames;
 106 extern int do_debug_frames_interp;
 107 extern int do_debug_macinfo;
 108 extern int do_debug_str;
 109 extern int do_debug_loc;
 110
 111 extern int load_debug_section (enum dwarf_section_display_enum,
 112                                void *);
 113 extern void free_debug_section (enum dwarf_section_display_enum);
 114
 115 extern void free_debug_memory (void);
 116
 117 void *cmalloc (size_t, size_t);
 118 void *xcmalloc (size_t, size_t);
 119 void *xcrealloc (void *, size_t, size_t);
 120
 121 void error (const char *, ...) ATTRIBUTE_PRINTF_1;
 122 void warn (const char *, ...) ATTRIBUTE_PRINTF_1;