// gold.h -- general definitions for gold -*- C++ -*- // Copyright 2006, 2007 Free Software Foundation, Inc. // Written by Ian Lance Taylor . // 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_GOLD_H #define GOLD_GOLD_H #include "config.h" #include "ansidecl.h" #ifdef ENABLE_NLS # include # define _(String) gettext (String) # ifdef gettext_noop # define N_(String) gettext_noop (String) # else # define N_(String) (String) # endif #else # define gettext(Msgid) (Msgid) # define dgettext(Domainname, Msgid) (Msgid) # define dcgettext(Domainname, Msgid, Category) (Msgid) # define textdomain(Domainname) while (0) /* nothing */ # define bindtextdomain(Domainname, Dirname) while (0) /* nothing */ # define _(String) (String) # define N_(String) (String) #endif // Figure out how to get a hash set and a hash map. #if defined(HAVE_TR1_UNORDERED_SET) && defined(HAVE_TR1_UNORDERED_MAP) #include #include // We need a template typedef here. #define Unordered_set std::tr1::unordered_set #define Unordered_map std::tr1::unordered_map #elif defined(HAVE_EXT_HASH_MAP) && defined(HAVE_EXT_HASH_SET) #include #include #include #define Unordered_set __gnu_cxx::hash_set #define Unordered_map __gnu_cxx::hash_map namespace __gnu_cxx { template<> struct hash { size_t operator()(std::string s) const { return __stl_hash_string(s.c_str()); } }; template struct hash { size_t operator()(T* p) const { return reinterpret_cast(p); } }; } #else // The fallback is to just use set and map. #include #include #define Unordered_set std::set #define Unordered_map std::map #endif #ifndef HAVE_PREAD extern "C" ssize_t pread(int, void*, size_t, off_t); #endif namespace gold { // This is a hack to work around a problem with older versions of g++. // The problem is that they don't support calling a member template by // specifying the template parameters. It works to pass in an // argument for argument dependent lookup. // To use this, the member template method declaration should put // ACCEPT_SIZE or ACCEPT_SIZE_ENDIAN after the last parameter. If the // method takes no parameters, use ACCEPT_SIZE_ONLY or // ACCEPT_SIZE_ENDIAN_ONLY. // When calling the method, instead of using fn, use fn // SELECT_SIZE_NAME or SELECT_SIZE_ENDIAN_NAME. And after the last // argument, put SELECT_SIZE(size) or SELECT_SIZE_ENDIAN(size, // big_endian). If there is only one argment, use the _ONLY variants. #ifdef HAVE_MEMBER_TEMPLATE_SPECIFICATIONS #define SELECT_SIZE_NAME(size) #define SELECT_SIZE(size) #define SELECT_SIZE_ONLY(size) #define ACCEPT_SIZE #define ACCEPT_SIZE_ONLY #define ACCEPT_SIZE_EXPLICIT(size) #define SELECT_SIZE_ENDIAN_NAME(size, big_endian) #define SELECT_SIZE_ENDIAN(size, big_endian) #define SELECT_SIZE_ENDIAN_ONLY(size, big_endian) #define ACCEPT_SIZE_ENDIAN #define ACCEPT_SIZE_ENDIAN_ONLY #define ACCEPT_SIZE_ENDIAN_EXPLICIT(size, big_endian) #else // !defined(HAVE_MEMBER_TEMPLATE_SPECIFICATIONS) template class Select_size { }; template class Select_size_endian { }; #define SELECT_SIZE_NAME(size) #define SELECT_SIZE(size) , Select_size() #define SELECT_SIZE_ONLY(size) Select_size() #define ACCEPT_SIZE , Select_size #define ACCEPT_SIZE_ONLY Select_size #define ACCEPT_SIZE_EXPLICIT(size) , Select_size #define SELECT_SIZE_ENDIAN_NAME(size, big_endian) #define SELECT_SIZE_ENDIAN(size, big_endian) \ , Select_size_endian() #define SELECT_SIZE_ENDIAN_ONLY(size, big_endian) \ Select_size_endian() #define ACCEPT_SIZE_ENDIAN , Select_size_endian #define ACCEPT_SIZE_ENDIAN_ONLY Select_size_endian #define ACCEPT_SIZE_ENDIAN_EXPLICIT(size, big_endian) \ , Select_size_endian #endif // !defined(HAVE_MEMBER_TEMPLATE_SPECIFICATIONS) } // End namespace gold. namespace gold { class General_options; class Command_line; class Input_argument_list; class Dirsearch; class Input_objects; class Symbol_table; class Layout; class Workqueue; class Output_file; // The name of the program as used in error messages. extern const char* program_name; // 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(bool status) ATTRIBUTE_NORETURN; // This function is called to emit an unexpected error message and a // newline, and then exit with failure. If PERRNO is true, it reports // the error in errno. extern void gold_fatal(const char* msg, bool perrno) ATTRIBUTE_NORETURN; // This is function is called in some cases if we run out of memory. extern void gold_nomem() ATTRIBUTE_NORETURN; // This macro and function are used in cases which can not arise if // the code is written correctly. #define gold_unreachable() \ (gold::do_gold_unreachable(__FILE__, __LINE__, __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)) // Print version information. extern void print_version(bool print_short); // Queue up the first set of tasks. extern void queue_initial_tasks(const General_options&, const Dirsearch&, const Command_line&, Workqueue*, Input_objects*, Symbol_table*, Layout*); // Queue up the middle set of tasks. extern void queue_middle_tasks(const General_options&, const Input_objects*, Symbol_table*, Layout*, Workqueue*); // Queue up the final set of tasks. extern void queue_final_tasks(const General_options&, const Input_objects*, const Symbol_table*, const Layout*, Workqueue*, Output_file* of); } // End namespace gold. #endif // !defined(GOLD_GOLD_H)