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c7912668 ILT |
1 | // debug.h -- gold internal debugging support -*- C++ -*- |
2 | ||
b3adc24a | 3 | // Copyright (C) 2007-2020 Free Software Foundation, Inc. |
c7912668 ILT |
4 | // Written by Ian Lance Taylor <iant@google.com>. |
5 | ||
6 | // This file is part of gold. | |
7 | ||
8 | // This program is free software; you can redistribute it and/or modify | |
9 | // it under the terms of the GNU General Public License as published by | |
10 | // the Free Software Foundation; either version 3 of the License, or | |
11 | // (at your option) any later version. | |
12 | ||
13 | // This program is distributed in the hope that it will be useful, | |
14 | // but WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 | // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
16 | // GNU General Public License for more details. | |
17 | ||
18 | // You should have received a copy of the GNU General Public License | |
19 | // along with this program; if not, write to the Free Software | |
20 | // Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, | |
21 | // MA 02110-1301, USA. | |
22 | ||
23 | #ifndef GOLD_DEBUG_H | |
24 | #define GOLD_DEBUG_H | |
25 | ||
04bf7072 ILT |
26 | #include <cstring> |
27 | ||
c7912668 ILT |
28 | #include "parameters.h" |
29 | #include "errors.h" | |
30 | ||
31 | namespace gold | |
32 | { | |
33 | ||
34 | // The different types of debugging we support. These are bitflags. | |
35 | ||
2285a610 ILT |
36 | const int DEBUG_TASK = 0x1; |
37 | const int DEBUG_SCRIPT = 0x2; | |
38 | const int DEBUG_FILES = 0x4; | |
20e6d0d6 | 39 | const int DEBUG_RELAXATION = 0x8; |
8c21d9d3 | 40 | const int DEBUG_INCREMENTAL = 0x10; |
437ddf0c | 41 | const int DEBUG_LOCATION = 0x20; |
afe002dd | 42 | const int DEBUG_TARGET = 0x40; |
291158a3 | 43 | const int DEBUG_PLUGIN = 0x80; |
c7912668 | 44 | |
20e6d0d6 | 45 | const int DEBUG_ALL = (DEBUG_TASK | DEBUG_SCRIPT | DEBUG_FILES |
437ddf0c | 46 | | DEBUG_RELAXATION | DEBUG_INCREMENTAL |
291158a3 | 47 | | DEBUG_LOCATION | DEBUG_TARGET | DEBUG_PLUGIN); |
c7912668 | 48 | |
ee1fe73e ILT |
49 | // Convert a debug string to the appropriate enum. |
50 | inline int | |
51 | debug_string_to_enum(const char* arg) | |
52 | { | |
53 | static const struct { const char* name; int value; } | |
54 | debug_options[] = | |
55 | { | |
56 | { "task", DEBUG_TASK }, | |
57 | { "script", DEBUG_SCRIPT }, | |
2285a610 | 58 | { "files", DEBUG_FILES }, |
20e6d0d6 | 59 | { "relaxation", DEBUG_RELAXATION }, |
8c21d9d3 | 60 | { "incremental", DEBUG_INCREMENTAL }, |
437ddf0c | 61 | { "location", DEBUG_LOCATION }, |
afe002dd | 62 | { "target", DEBUG_TARGET }, |
291158a3 | 63 | { "plugin", DEBUG_PLUGIN }, |
ee1fe73e ILT |
64 | { "all", DEBUG_ALL } |
65 | }; | |
66 | ||
67 | int retval = 0; | |
68 | for (size_t i = 0; i < sizeof(debug_options) / sizeof(*debug_options); ++i) | |
69 | if (strstr(arg, debug_options[i].name)) | |
70 | retval |= debug_options[i].value; | |
71 | return retval; | |
72 | } | |
73 | ||
c7912668 ILT |
74 | // Print a debug message if TYPE is enabled. This is a macro so that |
75 | // we only evaluate the arguments if necessary. | |
76 | ||
afe002dd | 77 | #define gold_debug(TYPE, ...) \ |
c7912668 ILT |
78 | do \ |
79 | { \ | |
80 | if (is_debugging_enabled(TYPE)) \ | |
afe002dd | 81 | parameters->errors()->debug(__VA_ARGS__); \ |
c7912668 ILT |
82 | } \ |
83 | while (0) | |
84 | ||
85 | } // End namespace gold. | |
86 | ||
87 | #endif // !defined(GOLD_DEBUG_H) |