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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 "dwarf2.h"
22 
23 typedef unsigned long dwarf_vma;
24 typedef unsigned long dwarf_size_type;
25 
26 struct dwarf_section
27 {
28   const char *name;
29   unsigned char *start;
30   dwarf_vma address;
31   dwarf_size_type size;
32 };
33 
34 /* A structure containing the name of a debug section
35    and a pointer to a function that can decode it.  */
36 struct dwarf_section_display
37 {
38   struct dwarf_section section;
39   int (*display) (struct dwarf_section *, void *);
40   unsigned int relocate : 1;
41   unsigned int eh_frame : 1;
42 };
43 
44 enum dwarf_section_display_enum {
45   abbrev = 0,
46   aranges,
47   frame,
48   info,
49   line,
50   pubnames,
51   eh_frame,
52   macinfo,
53   str,
54   loc,
55   pubtypes,
56   ranges,
57   static_func,
58   static_vars,
59   types,
60   weaknames,
61   max
62 };
63 
64 extern struct dwarf_section_display debug_displays [];
65 
66 /* This structure records the information that
67    we extract from the.debug_info section.  */
68 typedef struct
69 {
70   unsigned int   pointer_size;
71   unsigned long  cu_offset;
72   unsigned long	 base_address;
73   /* This is an array of offsets to the location list table.  */
74   unsigned long *loc_offsets;
75   int		*have_frame_base;
76   unsigned int   num_loc_offsets;
77   unsigned int   max_loc_offsets;
78 #ifdef SORT_LOCATION_LIST_OFFSETS
79   unsigned long  last_loc_offset; /* used to determine whether loc offsets are sorted */
80 #endif
81   unsigned long *range_lists;
82   unsigned int   num_range_lists;
83   unsigned int   max_range_lists;
84 }
85 debug_info;
86 
87 extern dwarf_vma (*byte_get) (unsigned char *, int);
88 extern dwarf_vma byte_get_little_endian (unsigned char *, int);
89 extern dwarf_vma byte_get_big_endian (unsigned char *, int);
90 
91 extern dwarf_vma eh_addr_size;
92 extern int is_relocatable;
93 
94 extern int do_debug_info;
95 extern int do_debug_abbrevs;
96 extern int do_debug_lines;
97 extern int do_debug_pubnames;
98 extern int do_debug_aranges;
99 extern int do_debug_ranges;
100 extern int do_debug_frames;
101 extern int do_debug_frames_interp;
102 extern int do_debug_macinfo;
103 extern int do_debug_str;
104 extern int do_debug_loc;
105 
106 extern int load_debug_section (enum dwarf_section_display_enum,
107 			       void *);
108 extern void free_debug_section (enum dwarf_section_display_enum);
109 
110 extern void free_debug_memory (void);
111 
112 extern void base_value_pair_hook(void *data, int size,
113                                  int base, int begin, int end);
114 
115 extern void value_hook(void *data, int size, int val);
116 
117 extern void signed_value_hook(void *data,
118                               int pointer_size,
119                               int is_signed,
120                               int val);
121 
122 extern void init_dwarf_variables(void);
123