81 lines
2.3 KiB
C++
81 lines
2.3 KiB
C++
// debug.h -- gold internal debugging support -*- C++ -*-
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// Copyright 2007, 2008 Free Software Foundation, Inc.
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// Written by Ian Lance Taylor <iant@google.com>.
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// This file is part of gold.
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// This program is free software; you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation; either version 3 of the License, or
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// (at your option) any later version.
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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// You should have received a copy of the GNU General Public License
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// along with this program; if not, write to the Free Software
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// Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
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// MA 02110-1301, USA.
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#ifndef GOLD_DEBUG_H
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#define GOLD_DEBUG_H
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#include <cstring>
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#include "parameters.h"
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#include "errors.h"
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namespace gold
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{
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// The different types of debugging we support. These are bitflags.
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const int DEBUG_TASK = 0x1;
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const int DEBUG_SCRIPT = 0x2;
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const int DEBUG_FILES = 0x4;
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const int DEBUG_RELAXATION = 0x8;
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const int DEBUG_INCREMENTAL = 0x10;
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const int DEBUG_ALL = (DEBUG_TASK | DEBUG_SCRIPT | DEBUG_FILES
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| DEBUG_RELAXATION | DEBUG_INCREMENTAL);
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// Convert a debug string to the appropriate enum.
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inline int
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debug_string_to_enum(const char* arg)
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{
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static const struct { const char* name; int value; }
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debug_options[] =
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{
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{ "task", DEBUG_TASK },
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{ "script", DEBUG_SCRIPT },
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{ "files", DEBUG_FILES },
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{ "relaxation", DEBUG_RELAXATION },
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{ "incremental", DEBUG_INCREMENTAL },
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{ "all", DEBUG_ALL }
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};
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int retval = 0;
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for (size_t i = 0; i < sizeof(debug_options) / sizeof(*debug_options); ++i)
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if (strstr(arg, debug_options[i].name))
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retval |= debug_options[i].value;
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return retval;
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}
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// Print a debug message if TYPE is enabled. This is a macro so that
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// we only evaluate the arguments if necessary.
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#define gold_debug(TYPE, FORMAT, ...) \
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do \
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{ \
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if (is_debugging_enabled(TYPE)) \
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parameters->errors()->debug(FORMAT, __VA_ARGS__); \
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} \
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while (0)
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} // End namespace gold.
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#endif // !defined(GOLD_DEBUG_H)
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