Commit | Line | Data |
---|---|---|
0d79cdc4 | 1 | /* debuginfod utilities for GDB. |
3666a048 | 2 | Copyright (C) 2020-2021 Free Software Foundation, Inc. |
0d79cdc4 AM |
3 | |
4 | This file is part of GDB. | |
5 | ||
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. | |
10 | ||
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. | |
15 | ||
16 | You should have received a copy of the GNU General Public License | |
17 | along with this program. If not, see <http://www.gnu.org/licenses/>. */ | |
18 | ||
0d79cdc4 | 19 | #include "defs.h" |
a84bb2a0 | 20 | #include <errno.h> |
0d79cdc4 AM |
21 | #include "cli/cli-style.h" |
22 | #include "gdbsupport/scoped_fd.h" | |
23 | #include "debuginfod-support.h" | |
d6f26c9d | 24 | #include "gdbsupport/gdb_optional.h" |
0d79cdc4 AM |
25 | |
26 | #ifndef HAVE_LIBDEBUGINFOD | |
27 | scoped_fd | |
28 | debuginfod_source_query (const unsigned char *build_id, | |
29 | int build_id_len, | |
30 | const char *srcpath, | |
31 | gdb::unique_xmalloc_ptr<char> *destname) | |
32 | { | |
33 | return scoped_fd (-ENOSYS); | |
34 | } | |
35 | ||
36 | scoped_fd | |
37 | debuginfod_debuginfo_query (const unsigned char *build_id, | |
38 | int build_id_len, | |
39 | const char *filename, | |
40 | gdb::unique_xmalloc_ptr<char> *destname) | |
41 | { | |
42 | return scoped_fd (-ENOSYS); | |
43 | } | |
44 | #else | |
45 | #include <elfutils/debuginfod.h> | |
46 | ||
002a3166 AM |
47 | struct user_data |
48 | { | |
49 | user_data (const char *desc, const char *fname) | |
d6f26c9d | 50 | : desc (desc), fname (fname) |
002a3166 AM |
51 | { } |
52 | ||
53 | const char * const desc; | |
54 | const char * const fname; | |
d6f26c9d | 55 | gdb::optional<ui_out::progress_meter> meter; |
002a3166 | 56 | }; |
0d79cdc4 | 57 | |
d2b31b67 SM |
58 | /* Deleter for a debuginfod_client. */ |
59 | ||
60 | struct debuginfod_client_deleter | |
61 | { | |
62 | void operator() (debuginfod_client *c) | |
63 | { | |
64 | debuginfod_end (c); | |
65 | } | |
66 | }; | |
67 | ||
68 | using debuginfod_client_up | |
69 | = std::unique_ptr<debuginfod_client, debuginfod_client_deleter>; | |
70 | ||
0d79cdc4 AM |
71 | static int |
72 | progressfn (debuginfod_client *c, long cur, long total) | |
73 | { | |
002a3166 | 74 | user_data *data = static_cast<user_data *> (debuginfod_get_user_data (c)); |
1d1669e4 | 75 | gdb_assert (data != nullptr); |
002a3166 | 76 | |
0d79cdc4 AM |
77 | if (check_quit_flag ()) |
78 | { | |
79 | printf_filtered ("Cancelling download of %s %ps...\n", | |
002a3166 AM |
80 | data->desc, |
81 | styled_string (file_name_style.style (), data->fname)); | |
0d79cdc4 AM |
82 | return 1; |
83 | } | |
84 | ||
d6f26c9d ML |
85 | if (total == 0) |
86 | return 0; | |
87 | ||
88 | if (!data->meter.has_value ()) | |
0d79cdc4 | 89 | { |
d6f26c9d ML |
90 | float size_in_mb = 1.0f * total / (1024 * 1024); |
91 | string_file styled_filename (current_uiout->can_emit_style_escape ()); | |
92 | fprintf_styled (&styled_filename, | |
93 | file_name_style.style (), | |
94 | "%s", | |
95 | data->fname); | |
96 | std::string message | |
97 | = string_printf ("Downloading %.2f MB %s %s", size_in_mb, data->desc, | |
98 | styled_filename.c_str()); | |
99 | data->meter.emplace (current_uiout, message, 1); | |
0d79cdc4 AM |
100 | } |
101 | ||
d6f26c9d ML |
102 | current_uiout->progress ((double)cur / (double)total); |
103 | ||
0d79cdc4 AM |
104 | return 0; |
105 | } | |
106 | ||
1d1669e4 AM |
107 | static debuginfod_client * |
108 | get_debuginfod_client () | |
0d79cdc4 | 109 | { |
1d1669e4 | 110 | static debuginfod_client_up global_client; |
0d79cdc4 | 111 | |
1d1669e4 AM |
112 | if (global_client == nullptr) |
113 | { | |
114 | global_client.reset (debuginfod_begin ()); | |
115 | ||
116 | if (global_client != nullptr) | |
117 | debuginfod_set_progressfn (global_client.get (), progressfn); | |
118 | } | |
0d79cdc4 | 119 | |
1d1669e4 | 120 | return global_client.get (); |
0d79cdc4 AM |
121 | } |
122 | ||
123 | /* See debuginfod-support.h */ | |
124 | ||
125 | scoped_fd | |
126 | debuginfod_source_query (const unsigned char *build_id, | |
127 | int build_id_len, | |
128 | const char *srcpath, | |
129 | gdb::unique_xmalloc_ptr<char> *destname) | |
130 | { | |
c44191f8 TV |
131 | const char *urls_env_var = getenv (DEBUGINFOD_URLS_ENV_VAR); |
132 | if (urls_env_var == NULL || urls_env_var[0] == '\0') | |
0d79cdc4 AM |
133 | return scoped_fd (-ENOSYS); |
134 | ||
1d1669e4 | 135 | debuginfod_client *c = get_debuginfod_client (); |
0d79cdc4 AM |
136 | |
137 | if (c == nullptr) | |
138 | return scoped_fd (-ENOMEM); | |
139 | ||
002a3166 | 140 | user_data data ("source file", srcpath); |
0d79cdc4 | 141 | |
1d1669e4 AM |
142 | debuginfod_set_user_data (c, &data); |
143 | scoped_fd fd (debuginfod_find_source (c, | |
0d79cdc4 AM |
144 | build_id, |
145 | build_id_len, | |
146 | srcpath, | |
147 | nullptr)); | |
1d1669e4 | 148 | debuginfod_set_user_data (c, nullptr); |
0d79cdc4 AM |
149 | |
150 | /* TODO: Add 'set debug debuginfod' command to control when error messages are shown. */ | |
151 | if (fd.get () < 0 && fd.get () != -ENOENT) | |
152 | printf_filtered (_("Download failed: %s. Continuing without source file %ps.\n"), | |
153 | safe_strerror (-fd.get ()), | |
154 | styled_string (file_name_style.style (), srcpath)); | |
d6ab69dd TV |
155 | |
156 | if (fd.get () >= 0) | |
3246bd8e | 157 | *destname = make_unique_xstrdup (srcpath); |
0d79cdc4 | 158 | |
0d79cdc4 AM |
159 | return fd; |
160 | } | |
161 | ||
162 | /* See debuginfod-support.h */ | |
163 | ||
164 | scoped_fd | |
165 | debuginfod_debuginfo_query (const unsigned char *build_id, | |
166 | int build_id_len, | |
167 | const char *filename, | |
168 | gdb::unique_xmalloc_ptr<char> *destname) | |
169 | { | |
c44191f8 TV |
170 | const char *urls_env_var = getenv (DEBUGINFOD_URLS_ENV_VAR); |
171 | if (urls_env_var == NULL || urls_env_var[0] == '\0') | |
0d79cdc4 AM |
172 | return scoped_fd (-ENOSYS); |
173 | ||
1d1669e4 | 174 | debuginfod_client *c = get_debuginfod_client (); |
0d79cdc4 AM |
175 | |
176 | if (c == nullptr) | |
177 | return scoped_fd (-ENOMEM); | |
178 | ||
0d79cdc4 | 179 | char *dname = nullptr; |
002a3166 | 180 | user_data data ("separate debug info for", filename); |
0d79cdc4 | 181 | |
1d1669e4 AM |
182 | debuginfod_set_user_data (c, &data); |
183 | scoped_fd fd (debuginfod_find_debuginfo (c, build_id, build_id_len, | |
d2b31b67 | 184 | &dname)); |
1d1669e4 | 185 | debuginfod_set_user_data (c, nullptr); |
0d79cdc4 AM |
186 | |
187 | if (fd.get () < 0 && fd.get () != -ENOENT) | |
188 | printf_filtered (_("Download failed: %s. Continuing without debug info for %ps.\n"), | |
189 | safe_strerror (-fd.get ()), | |
190 | styled_string (file_name_style.style (), filename)); | |
191 | ||
d6ab69dd TV |
192 | if (fd.get () >= 0) |
193 | destname->reset (dname); | |
d2b31b67 | 194 | |
0d79cdc4 AM |
195 | return fd; |
196 | } | |
197 | #endif |