1 // debug.h -- gold internal debugging support -*- C++ -*-
3 // Copyright (C) 2007-2016 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.
28 #include "parameters.h"
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;
40 const int DEBUG_INCREMENTAL = 0x10;
41 const int DEBUG_LOCATION = 0x20;
42 const int DEBUG_TARGET = 0x40;
44 const int DEBUG_ALL = (DEBUG_TASK | DEBUG_SCRIPT | DEBUG_FILES
45 | DEBUG_RELAXATION | DEBUG_INCREMENTAL
46 | DEBUG_LOCATION | DEBUG_TARGET);
48 // Convert a debug string to the appropriate enum.
50 debug_string_to_enum(const char* arg)
52 static const struct { const char* name; int value; }
55 { "task", DEBUG_TASK },
56 { "script", DEBUG_SCRIPT },
57 { "files", DEBUG_FILES },
58 { "relaxation", DEBUG_RELAXATION },
59 { "incremental", DEBUG_INCREMENTAL },
60 { "location", DEBUG_LOCATION },
61 { "target", DEBUG_TARGET },
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;
72 // Print a debug message if TYPE is enabled. This is a macro so that
73 // we only evaluate the arguments if necessary.
75 #define gold_debug(TYPE, ...) \
78 if (is_debugging_enabled(TYPE)) \
79 parameters->errors()->debug(__VA_ARGS__); \
83 } // End namespace gold.
85 #endif // !defined(GOLD_DEBUG_H)