// dwp.h -- general definitions for dwp. // Copyright 2012 Free Software Foundation, Inc. // Written by Cary Coutant <ccoutant@google.com>. // This file is part of dwp, the DWARF packaging utility. // 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 DWP_DWP_H #define DWP_DWP_H 1 #include "config.h" #include "ansidecl.h" #include <cstddef> #include <cstdlib> #include <cstring> #include <stdint.h> #include <sys/types.h> #include "system.h" namespace gold { extern const char* program_name; class General_options; class Command_line; class Dirsearch; class Input_objects; class Mapfile; class Symbol; class Symbol_table; class Layout; class Task; class Workqueue; class Output_file; template<int size, bool big_endian> struct Relocate_info; // The size of a section if we are going to look at the contents. typedef size_t section_size_type; // An offset within a section when we are looking at the contents. typedef ptrdiff_t section_offset_type; inline bool is_prefix_of(const char* prefix, const char* str) { return strncmp(prefix, str, strlen(prefix)) == 0; } // Exit status codes. enum Exit_status { GOLD_OK = EXIT_SUCCESS, GOLD_ERR = EXIT_FAILURE, GOLD_FALLBACK = EXIT_FAILURE + 1 }; // This function is called to exit the program. Status is true to // exit success (0) and false to exit failure (1). extern void gold_exit(Exit_status status) ATTRIBUTE_NORETURN; // This function is called to emit an error message and then // immediately exit with failure. extern void gold_fatal(const char* format, ...) ATTRIBUTE_NORETURN ATTRIBUTE_PRINTF_1; // This function is called to issue a warning. extern void gold_warning(const char* msg, ...) ATTRIBUTE_PRINTF_1; #define gold_unreachable() \ (gold::do_gold_unreachable(__FILE__, __LINE__, \ static_cast<const char*>(__FUNCTION__))) extern void do_gold_unreachable(const char*, int, const char*) ATTRIBUTE_NORETURN; // Assertion check. #define gold_assert(expr) ((void)(!(expr) ? gold_unreachable(), 0 : 0)) // Convert numeric types without unnoticed loss of precision. template<typename To, typename From> inline To convert_types(const From from) { To to = from; gold_assert(static_cast<From>(to) == from); return to; } // A common case of convert_types<>: convert to section_size_type. template<typename From> inline section_size_type convert_to_section_size_type(const From from) { return convert_types<section_size_type, From>(from); } }; // End namespace gold. #endif // !defined(DWP_DWP_H)