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