Commit | Line | Data |
---|---|---|
c7912668 ILT |
1 | // debug.h -- gold internal debugging support -*- C++ -*- |
2 | ||
2571583a | 3 | // Copyright (C) 2007-2017 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; |
c7912668 | 43 | |
20e6d0d6 | 44 | const int DEBUG_ALL = (DEBUG_TASK | DEBUG_SCRIPT | DEBUG_FILES |
437ddf0c | 45 | | DEBUG_RELAXATION | DEBUG_INCREMENTAL |
afe002dd | 46 | | DEBUG_LOCATION | DEBUG_TARGET); |
c7912668 | 47 | |
ee1fe73e ILT |
48 | // Convert a debug string to the appropriate enum. |
49 | inline int | |
50 | debug_string_to_enum(const char* arg) | |
51 | { | |
52 | static const struct { const char* name; int value; } | |
53 | debug_options[] = | |
54 | { | |
55 | { "task", DEBUG_TASK }, | |
56 | { "script", DEBUG_SCRIPT }, | |
2285a610 | 57 | { "files", DEBUG_FILES }, |
20e6d0d6 | 58 | { "relaxation", DEBUG_RELAXATION }, |
8c21d9d3 | 59 | { "incremental", DEBUG_INCREMENTAL }, |
437ddf0c | 60 | { "location", DEBUG_LOCATION }, |
afe002dd | 61 | { "target", DEBUG_TARGET }, |
ee1fe73e ILT |
62 | { "all", DEBUG_ALL } |
63 | }; | |
64 | ||
65 | int retval = 0; | |
66 | for (size_t i = 0; i < sizeof(debug_options) / sizeof(*debug_options); ++i) | |
67 | if (strstr(arg, debug_options[i].name)) | |
68 | retval |= debug_options[i].value; | |
69 | return retval; | |
70 | } | |
71 | ||
c7912668 ILT |
72 | // Print a debug message if TYPE is enabled. This is a macro so that |
73 | // we only evaluate the arguments if necessary. | |
74 | ||
afe002dd | 75 | #define gold_debug(TYPE, ...) \ |
c7912668 ILT |
76 | do \ |
77 | { \ | |
78 | if (is_debugging_enabled(TYPE)) \ | |
afe002dd | 79 | parameters->errors()->debug(__VA_ARGS__); \ |
c7912668 ILT |
80 | } \ |
81 | while (0) | |
82 | ||
83 | } // End namespace gold. | |
84 | ||
85 | #endif // !defined(GOLD_DEBUG_H) |