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c7912668 ILT |
1 | // debug.h -- gold internal debugging support -*- C++ -*- |
2 | ||
ebdbb458 | 3 | // Copyright 2007, 2008 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 | ||
26 | #include "parameters.h" | |
27 | #include "errors.h" | |
28 | ||
29 | namespace gold | |
30 | { | |
31 | ||
32 | // The different types of debugging we support. These are bitflags. | |
33 | ||
2285a610 ILT |
34 | const int DEBUG_TASK = 0x1; |
35 | const int DEBUG_SCRIPT = 0x2; | |
36 | const int DEBUG_FILES = 0x4; | |
c7912668 | 37 | |
2285a610 | 38 | const int DEBUG_ALL = DEBUG_TASK | DEBUG_SCRIPT | DEBUG_FILES; |
c7912668 | 39 | |
ee1fe73e ILT |
40 | // Convert a debug string to the appropriate enum. |
41 | inline int | |
42 | debug_string_to_enum(const char* arg) | |
43 | { | |
44 | static const struct { const char* name; int value; } | |
45 | debug_options[] = | |
46 | { | |
47 | { "task", DEBUG_TASK }, | |
48 | { "script", DEBUG_SCRIPT }, | |
2285a610 | 49 | { "files", DEBUG_FILES }, |
ee1fe73e ILT |
50 | { "all", DEBUG_ALL } |
51 | }; | |
52 | ||
53 | int retval = 0; | |
54 | for (size_t i = 0; i < sizeof(debug_options) / sizeof(*debug_options); ++i) | |
55 | if (strstr(arg, debug_options[i].name)) | |
56 | retval |= debug_options[i].value; | |
57 | return retval; | |
58 | } | |
59 | ||
c7912668 ILT |
60 | // Print a debug message if TYPE is enabled. This is a macro so that |
61 | // we only evaluate the arguments if necessary. | |
62 | ||
63 | #define gold_debug(TYPE, FORMAT, ...) \ | |
64 | do \ | |
65 | { \ | |
66 | if (is_debugging_enabled(TYPE)) \ | |
67 | parameters->errors()->debug(FORMAT, __VA_ARGS__); \ | |
68 | } \ | |
69 | while (0) | |
70 | ||
71 | } // End namespace gold. | |
72 | ||
73 | #endif // !defined(GOLD_DEBUG_H) |