| // debug.h -- gold internal debugging support -*- C++ -*- |
| |
| // Copyright (C) 2007-2021 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_LOCATION = 0x20; |
| const int DEBUG_TARGET = 0x40; |
| const int DEBUG_PLUGIN = 0x80; |
| |
| const int DEBUG_ALL = (DEBUG_TASK | DEBUG_SCRIPT | DEBUG_FILES |
| | DEBUG_RELAXATION | DEBUG_INCREMENTAL |
| | DEBUG_LOCATION | DEBUG_TARGET | DEBUG_PLUGIN); |
| |
| // 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 }, |
| { "location", DEBUG_LOCATION }, |
| { "target", DEBUG_TARGET }, |
| { "plugin", DEBUG_PLUGIN }, |
| { "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, ...) \ |
| do \ |
| { \ |
| if (is_debugging_enabled(TYPE)) \ |
| parameters->errors()->debug(__VA_ARGS__); \ |
| } \ |
| while (0) |
| |
| } // End namespace gold. |
| |
| #endif // !defined(GOLD_DEBUG_H) |