aboutsummaryrefslogtreecommitdiff
path: root/binutils/dwarf.h
blob: b39aba1ee534ef3a992cfad0c7136f8e9972e518 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
/* dwarf.h - DWARF support header file
   Copyright 2005, 2007, 2008, 2009
   Free Software Foundation, Inc.

   This file is part of GNU Binutils.

   This program is free software; you can redistribute it and/or modify
   it under the terms of the GNU General Public License as published by
   the Free Software Foundation; either version 3 of the License, or
   (at your option) any later version.

   This program is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   GNU General Public License for more details.

   You should have received a copy of the GNU General Public License
   along with this program; if not, write to the Free Software
   Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
   MA 02110-1301, USA.  */

#if __STDC_VERSION__ >= 199901L || (defined(__GNUC__) && __GNUC__ >= 2)
/* We can't use any bfd types here since readelf may define BFD64 and
   objdump may not.  */
typedef unsigned long long dwarf_vma;
typedef unsigned long long dwarf_size_type;
#else
typedef unsigned long dwarf_vma;
typedef unsigned long dwarf_size_type;
#endif

struct dwarf_section
{
  /* A debug section has a different name when it's stored compressed
     or not.  COMPRESSED_NAME and UNCOMPRESSED_NAME are the two
     possibilities.  NAME is set to whichever one is used for this
     input file, as determined by load_debug_section().  */
  const char *uncompressed_name;
  const char *compressed_name;
  const char *name;
  unsigned char *start;
  dwarf_vma address;
  dwarf_size_type size;
};

/* A structure containing the name of a debug section
   and a pointer to a function that can decode it.  */
struct dwarf_section_display
{
  struct dwarf_section section;
  int (*display) (struct dwarf_section *, void *);
  int *enabled;
  unsigned int relocate : 1;
};

enum dwarf_section_display_enum
{
  abbrev = 0,
  aranges,
  frame,
  info,
  line,
  pubnames,
  eh_frame,
  macinfo,
  str,
  loc,
  pubtypes,
  ranges,
  static_func,
  static_vars,
  types,
  weaknames,
  max
};

extern struct dwarf_section_display debug_displays [];

/* This structure records the information that
   we extract from the.debug_info section.  */
typedef struct
{
  unsigned int   pointer_size;
  unsigned long  cu_offset;
  unsigned long	 base_address;
  /* This is an array of offsets to the location list table.  */
  unsigned long *loc_offsets;
  int		*have_frame_base;
  unsigned int   num_loc_offsets;
  unsigned int   max_loc_offsets;
  /* List of .debug_ranges offsets seen in this .debug_info.  */
  unsigned long *range_lists;
  unsigned int   num_range_lists;
  unsigned int   max_range_lists;
}
debug_info;

extern dwarf_vma (*byte_get) (unsigned char *, int);
extern dwarf_vma byte_get_little_endian (unsigned char *, int);
extern dwarf_vma byte_get_big_endian (unsigned char *, int);

extern int eh_addr_size;

extern int do_debug_info;
extern int do_debug_abbrevs;
extern int do_debug_lines;
extern int do_debug_pubnames;
extern int do_debug_aranges;
extern int do_debug_ranges;
extern int do_debug_frames;
extern int do_debug_frames_interp;
extern int do_debug_macinfo;
extern int do_debug_str;
extern int do_debug_loc;
extern int do_wide;

extern void init_dwarf_regnames (unsigned int);

extern int load_debug_section (enum dwarf_section_display_enum,
			       void *);
extern void free_debug_section (enum dwarf_section_display_enum);

extern void free_debug_memory (void);

extern void dwarf_select_sections_by_names (const char *);
extern void dwarf_select_sections_by_letters (const char *);
extern void dwarf_select_sections_all (void);

void *cmalloc (size_t, size_t);
void *xcmalloc (size_t, size_t);
void *xcrealloc (void *, size_t, size_t);

void error (const char *, ...) ATTRIBUTE_PRINTF_1;
void warn (const char *, ...) ATTRIBUTE_PRINTF_1;