1*a9fa9459Szrj // debug.h -- gold internal debugging support -*- C++ -*- 2*a9fa9459Szrj 3*a9fa9459Szrj // Copyright (C) 2007-2016 Free Software Foundation, Inc. 4*a9fa9459Szrj // Written by Ian Lance Taylor <iant@google.com>. 5*a9fa9459Szrj 6*a9fa9459Szrj // This file is part of gold. 7*a9fa9459Szrj 8*a9fa9459Szrj // This program is free software; you can redistribute it and/or modify 9*a9fa9459Szrj // it under the terms of the GNU General Public License as published by 10*a9fa9459Szrj // the Free Software Foundation; either version 3 of the License, or 11*a9fa9459Szrj // (at your option) any later version. 12*a9fa9459Szrj 13*a9fa9459Szrj // This program is distributed in the hope that it will be useful, 14*a9fa9459Szrj // but WITHOUT ANY WARRANTY; without even the implied warranty of 15*a9fa9459Szrj // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 16*a9fa9459Szrj // GNU General Public License for more details. 17*a9fa9459Szrj 18*a9fa9459Szrj // You should have received a copy of the GNU General Public License 19*a9fa9459Szrj // along with this program; if not, write to the Free Software 20*a9fa9459Szrj // Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, 21*a9fa9459Szrj // MA 02110-1301, USA. 22*a9fa9459Szrj 23*a9fa9459Szrj #ifndef GOLD_DEBUG_H 24*a9fa9459Szrj #define GOLD_DEBUG_H 25*a9fa9459Szrj 26*a9fa9459Szrj #include <cstring> 27*a9fa9459Szrj 28*a9fa9459Szrj #include "parameters.h" 29*a9fa9459Szrj #include "errors.h" 30*a9fa9459Szrj 31*a9fa9459Szrj namespace gold 32*a9fa9459Szrj { 33*a9fa9459Szrj 34*a9fa9459Szrj // The different types of debugging we support. These are bitflags. 35*a9fa9459Szrj 36*a9fa9459Szrj const int DEBUG_TASK = 0x1; 37*a9fa9459Szrj const int DEBUG_SCRIPT = 0x2; 38*a9fa9459Szrj const int DEBUG_FILES = 0x4; 39*a9fa9459Szrj const int DEBUG_RELAXATION = 0x8; 40*a9fa9459Szrj const int DEBUG_INCREMENTAL = 0x10; 41*a9fa9459Szrj const int DEBUG_LOCATION = 0x20; 42*a9fa9459Szrj 43*a9fa9459Szrj const int DEBUG_ALL = (DEBUG_TASK | DEBUG_SCRIPT | DEBUG_FILES 44*a9fa9459Szrj | DEBUG_RELAXATION | DEBUG_INCREMENTAL 45*a9fa9459Szrj | DEBUG_LOCATION); 46*a9fa9459Szrj 47*a9fa9459Szrj // Convert a debug string to the appropriate enum. 48*a9fa9459Szrj inline int 49*a9fa9459Szrj debug_string_to_enum(const char* arg) 50*a9fa9459Szrj { 51*a9fa9459Szrj static const struct { const char* name; int value; } 52*a9fa9459Szrj debug_options[] = 53*a9fa9459Szrj { 54*a9fa9459Szrj { "task", DEBUG_TASK }, 55*a9fa9459Szrj { "script", DEBUG_SCRIPT }, 56*a9fa9459Szrj { "files", DEBUG_FILES }, 57*a9fa9459Szrj { "relaxation", DEBUG_RELAXATION }, 58*a9fa9459Szrj { "incremental", DEBUG_INCREMENTAL }, 59*a9fa9459Szrj { "location", DEBUG_LOCATION }, 60*a9fa9459Szrj { "all", DEBUG_ALL } 61*a9fa9459Szrj }; 62*a9fa9459Szrj 63*a9fa9459Szrj int retval = 0; 64*a9fa9459Szrj for (size_t i = 0; i < sizeof(debug_options) / sizeof(*debug_options); ++i) 65*a9fa9459Szrj if (strstr(arg, debug_options[i].name)) 66*a9fa9459Szrj retval |= debug_options[i].value; 67*a9fa9459Szrj return retval; 68*a9fa9459Szrj } 69*a9fa9459Szrj 70*a9fa9459Szrj // Print a debug message if TYPE is enabled. This is a macro so that 71*a9fa9459Szrj // we only evaluate the arguments if necessary. 72*a9fa9459Szrj 73*a9fa9459Szrj #define gold_debug(TYPE, FORMAT, ...) \ 74*a9fa9459Szrj do \ 75*a9fa9459Szrj { \ 76*a9fa9459Szrj if (is_debugging_enabled(TYPE)) \ 77*a9fa9459Szrj parameters->errors()->debug(FORMAT, __VA_ARGS__); \ 78*a9fa9459Szrj } \ 79*a9fa9459Szrj while (0) 80*a9fa9459Szrj 81*a9fa9459Szrj } // End namespace gold. 82*a9fa9459Szrj 83*a9fa9459Szrj #endif // !defined(GOLD_DEBUG_H) 84