PR ld/11843
[binutils.git] / gold / debug.h
blob4b9ef19fe4dd95624a50c5205c82d7e75d3267ed
1 // debug.h -- gold internal debugging support -*- C++ -*-
3 // Copyright 2007, 2008 Free Software Foundation, Inc.
4 // Written by Ian Lance Taylor <iant@google.com>.
6 // This file is part of gold.
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.
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.
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.
23 #ifndef GOLD_DEBUG_H
24 #define GOLD_DEBUG_H
26 #include <cstring>
28 #include "parameters.h"
29 #include "errors.h"
31 namespace gold
34 // The different types of debugging we support. These are bitflags.
36 const int DEBUG_TASK = 0x1;
37 const int DEBUG_SCRIPT = 0x2;
38 const int DEBUG_FILES = 0x4;
39 const int DEBUG_RELAXATION = 0x8;
41 const int DEBUG_ALL = (DEBUG_TASK | DEBUG_SCRIPT | DEBUG_FILES
42 | DEBUG_RELAXATION);
44 // Convert a debug string to the appropriate enum.
45 inline int
46 debug_string_to_enum(const char* arg)
48 static const struct { const char* name; int value; }
49 debug_options[] =
51 { "task", DEBUG_TASK },
52 { "script", DEBUG_SCRIPT },
53 { "files", DEBUG_FILES },
54 { "relaxation", DEBUG_RELAXATION },
55 { "all", DEBUG_ALL }
58 int retval = 0;
59 for (size_t i = 0; i < sizeof(debug_options) / sizeof(*debug_options); ++i)
60 if (strstr(arg, debug_options[i].name))
61 retval |= debug_options[i].value;
62 return retval;
65 // Print a debug message if TYPE is enabled. This is a macro so that
66 // we only evaluate the arguments if necessary.
68 #define gold_debug(TYPE, FORMAT, ...) \
69 do \
70 { \
71 if (is_debugging_enabled(TYPE)) \
72 parameters->errors()->debug(FORMAT, __VA_ARGS__); \
73 } \
74 while (0)
76 } // End namespace gold.
78 #endif // !defined(GOLD_DEBUG_H)