1 /* dwarf.h - DWARF support header file
2 Copyright (C) 2005-2014 Free Software Foundation, Inc.
4 This file is part of GNU Binutils.
6 This program is free software; you can redistribute it and/or modify
7 it under the terms of the GNU General Public License as published by
8 the Free Software Foundation; either version 3 of the License, or
9 (at your option) any later version.
11 This program is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 GNU General Public License for more details.
16 You should have received a copy of the GNU General Public License
17 along with this program; if not, write to the Free Software
18 Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
19 MA 02110-1301, USA. */
21 typedef unsigned HOST_WIDEST_INT dwarf_vma;
22 typedef HOST_WIDEST_INT dwarf_signed_vma;
23 typedef unsigned HOST_WIDEST_INT dwarf_size_type;
25 /* Structure found in the .debug_line section. */
28 unsigned char li_length [4];
29 unsigned char li_version [2];
30 unsigned char li_prologue_length [4];
31 unsigned char li_min_insn_length [1];
32 unsigned char li_default_is_stmt [1];
33 unsigned char li_line_base [1];
34 unsigned char li_line_range [1];
35 unsigned char li_opcode_base [1];
37 DWARF2_External_LineInfo;
42 unsigned short li_version;
43 unsigned int li_prologue_length;
44 unsigned char li_min_insn_length;
45 unsigned char li_max_ops_per_insn;
46 unsigned char li_default_is_stmt;
48 unsigned char li_line_range;
49 unsigned char li_opcode_base;
51 DWARF2_Internal_LineInfo;
53 /* Structure found in .debug_pubnames section. */
56 unsigned char pn_length [4];
57 unsigned char pn_version [2];
58 unsigned char pn_offset [4];
59 unsigned char pn_size [4];
61 DWARF2_External_PubNames;
66 unsigned short pn_version;
70 DWARF2_Internal_PubNames;
72 /* Structure found in .debug_info section. */
75 unsigned char cu_length [4];
76 unsigned char cu_version [2];
77 unsigned char cu_abbrev_offset [4];
78 unsigned char cu_pointer_size [1];
80 DWARF2_External_CompUnit;
85 unsigned short cu_version;
86 dwarf_vma cu_abbrev_offset;
87 unsigned char cu_pointer_size;
89 DWARF2_Internal_CompUnit;
93 unsigned char ar_length [4];
94 unsigned char ar_version [2];
95 unsigned char ar_info_offset [4];
96 unsigned char ar_pointer_size [1];
97 unsigned char ar_segment_size [1];
99 DWARF2_External_ARange;
104 unsigned short ar_version;
105 dwarf_vma ar_info_offset;
106 unsigned char ar_pointer_size;
107 unsigned char ar_segment_size;
109 DWARF2_Internal_ARange;
111 /* N.B. The order here must match the order in debug_displays. */
113 enum dwarf_section_display_enum
156 /* A debug section has a different name when it's stored compressed
157 or not. COMPRESSED_NAME and UNCOMPRESSED_NAME are the two
158 possibilities. NAME is set to whichever one is used for this
159 input file, as determined by load_debug_section(). */
160 const char *uncompressed_name;
161 const char *compressed_name;
163 unsigned char *start;
165 dwarf_size_type size;
166 enum dwarf_section_display_enum abbrev_sec;
169 /* A structure containing the name of a debug section
170 and a pointer to a function that can decode it. */
171 struct dwarf_section_display
173 struct dwarf_section section;
174 int (*display) (struct dwarf_section *, void *);
176 unsigned int relocate : 1;
179 extern struct dwarf_section_display debug_displays [];
181 /* This structure records the information that
182 we extract from the.debug_info section. */
185 unsigned int pointer_size;
186 unsigned int offset_size;
189 dwarf_vma base_address;
190 /* This field is filled in when reading the attribute DW_AT_GNU_addr_base and
191 is used with the form DW_AT_GNU_FORM_addr_index. */
193 /* This field is filled in when reading the attribute DW_AT_GNU_ranges_base and
194 is used when calculating ranges. */
195 dwarf_vma ranges_base;
196 /* This is an array of offsets to the location list table. */
197 dwarf_vma * loc_offsets;
198 int * have_frame_base;
199 unsigned int num_loc_offsets;
200 unsigned int max_loc_offsets;
201 /* List of .debug_ranges offsets seen in this .debug_info. */
202 dwarf_vma * range_lists;
203 unsigned int num_range_lists;
204 unsigned int max_range_lists;
208 extern int eh_addr_size;
210 extern int do_debug_info;
211 extern int do_debug_abbrevs;
212 extern int do_debug_lines;
213 extern int do_debug_pubnames;
214 extern int do_debug_pubtypes;
215 extern int do_debug_aranges;
216 extern int do_debug_ranges;
217 extern int do_debug_frames;
218 extern int do_debug_frames_interp;
219 extern int do_debug_macinfo;
220 extern int do_debug_str;
221 extern int do_debug_loc;
222 extern int do_gdb_index;
223 extern int do_trace_info;
224 extern int do_trace_abbrevs;
225 extern int do_trace_aranges;
226 extern int do_debug_addr;
227 extern int do_debug_cu_index;
230 extern int dwarf_cutoff_level;
231 extern unsigned long dwarf_start_die;
233 extern int dwarf_check;
235 extern void init_dwarf_regnames (unsigned int);
236 extern void init_dwarf_regnames_i386 (void);
237 extern void init_dwarf_regnames_x86_64 (void);
239 extern int load_debug_section (enum dwarf_section_display_enum, void *);
240 extern void free_debug_section (enum dwarf_section_display_enum);
242 extern void free_debug_memory (void);
244 extern void dwarf_select_sections_by_names (const char *);
245 extern void dwarf_select_sections_by_letters (const char *);
246 extern void dwarf_select_sections_all (void);
248 unsigned int * find_cu_tu_set (void *, unsigned int);
250 void * cmalloc (size_t, size_t);
251 void * xcmalloc (size_t, size_t);
252 void * xcrealloc (void *, size_t, size_t);
254 extern dwarf_vma read_leb128 (unsigned char *, unsigned int *, bfd_boolean, const unsigned char * const);