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9fda78b6 TT |
1 | /* DWARF DWZ handling for GDB. |
2 | ||
3 | Copyright (C) 2003-2020 Free Software Foundation, Inc. | |
4 | ||
5 | This file is part of GDB. | |
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 3 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, see <http://www.gnu.org/licenses/>. */ | |
19 | ||
20 | #ifndef GDB_DWARF2_DWZ_H | |
21 | #define GDB_DWARF2_DWZ_H | |
22 | ||
23 | #include "gdb_bfd.h" | |
24 | #include "dwarf2/index-cache.h" | |
25 | #include "dwarf2/section.h" | |
26 | ||
27 | /* This represents a '.dwz' file. */ | |
28 | ||
29 | struct dwz_file | |
30 | { | |
31 | dwz_file (gdb_bfd_ref_ptr &&bfd) | |
32 | : dwz_bfd (std::move (bfd)) | |
33 | { | |
34 | } | |
35 | ||
36 | const char *filename () const | |
37 | { | |
38 | return bfd_get_filename (this->dwz_bfd.get ()); | |
39 | } | |
40 | ||
41 | /* A dwz file can only contain a few sections. */ | |
42 | struct dwarf2_section_info abbrev {}; | |
43 | struct dwarf2_section_info info {}; | |
44 | struct dwarf2_section_info str {}; | |
45 | struct dwarf2_section_info line {}; | |
46 | struct dwarf2_section_info macro {}; | |
47 | struct dwarf2_section_info gdb_index {}; | |
48 | struct dwarf2_section_info debug_names {}; | |
49 | ||
50 | /* The dwz's BFD. */ | |
51 | gdb_bfd_ref_ptr dwz_bfd; | |
52 | ||
53 | /* If we loaded the index from an external file, this contains the | |
54 | resources associated to the open file, memory mapping, etc. */ | |
55 | std::unique_ptr<index_cache_resource> index_cache_res; | |
0314b390 TT |
56 | |
57 | /* Read a string at offset STR_OFFSET in the .debug_str section from | |
58 | this dwz file. Throw an error if the offset is too large. If | |
59 | the string consists of a single NUL byte, return NULL; otherwise | |
60 | return a pointer to the string. */ | |
61 | ||
62 | const char *read_string (struct objfile *objfile, LONGEST str_offset); | |
9fda78b6 TT |
63 | }; |
64 | ||
65 | #endif /* GDB_DWARF2_DWZ_H */ |