| // gold.h -- general definitions for gold -*- C++ -*- |
| |
| // Copyright 2006, 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_GOLD_H |
| #define GOLD_GOLD_H |
| |
| #include "config.h" |
| #include "ansidecl.h" |
| |
| #include <cstddef> |
| #include <sys/types.h> |
| |
| #ifndef ENABLE_NLS |
| // The Solaris version of locale.h always includes libintl.h. If we |
| // have been configured with --disable-nls then ENABLE_NLS will not |
| // be defined and the dummy definitions of bindtextdomain (et al) |
| // below will conflict with the defintions in libintl.h. So we |
| // define these values to prevent the bogus inclusion of libintl.h. |
| # define _LIBINTL_H |
| # define _LIBGETTEXT_H |
| #endif |
| |
| // Always include <clocale> first to avoid conflicts with the macros |
| // used when ENABLE_NLS is not defined. |
| #include <clocale> |
| |
| #ifdef ENABLE_NLS |
| # include <libintl.h> |
| # 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 <tr1/unordered_set> |
| #include <tr1/unordered_map> |
| |
| // 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 <ext/hash_map> |
| #include <ext/hash_set> |
| #include <string> |
| |
| #define Unordered_set __gnu_cxx::hash_set |
| #define Unordered_map __gnu_cxx::hash_map |
| |
| namespace __gnu_cxx |
| { |
| |
| template<> |
| struct hash<std::string> |
| { |
| size_t |
| operator()(std::string s) const |
| { return __stl_hash_string(s.c_str()); } |
| }; |
| |
| template<typename T> |
| struct hash<T*> |
| { |
| size_t |
| operator()(T* p) const |
| { return reinterpret_cast<size_t>(p); } |
| }; |
| |
| } |
| |
| #else |
| |
| // The fallback is to just use set and map. |
| |
| #include <set> |
| #include <map> |
| |
| #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 |
| { |
| |
| // General declarations. |
| |
| class General_options; |
| class Command_line; |
| class Input_argument_list; |
| 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; |
| |
| // Some basic types. For these we use lower case initial letters. |
| |
| // For an offset in an input or output file, use off_t. Note that |
| // this will often be a 64-bit type even for a 32-bit build. |
| |
| // 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; |
| |
| // 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 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 an error. This will cause gold to |
| // eventually exit with failure. |
| extern void |
| gold_error(const char* msg, ...) ATTRIBUTE_PRINTF_1; |
| |
| // This function is called to issue a warning. |
| extern void |
| gold_warning(const char* msg, ...) ATTRIBUTE_PRINTF_1; |
| |
| // This function is called to print an informational message. |
| extern void |
| gold_info(const char* msg, ...) ATTRIBUTE_PRINTF_1; |
| |
| // Work around a bug in gcc 4.3.0. http://gcc.gnu.org/PR35546 . This |
| // can probably be removed after the bug has been fixed for a while. |
| #ifdef HAVE_TEMPLATE_ATTRIBUTES |
| #define TEMPLATE_ATTRIBUTE_PRINTF_4 ATTRIBUTE_PRINTF_4 |
| #else |
| #define TEMPLATE_ATTRIBUTE_PRINTF_4 |
| #endif |
| |
| // This function is called to issue an error at the location of a |
| // reloc. |
| template<int size, bool big_endian> |
| extern void |
| gold_error_at_location(const Relocate_info<size, big_endian>*, |
| size_t, off_t, const char* format, ...) |
| TEMPLATE_ATTRIBUTE_PRINTF_4; |
| |
| // This function is called to issue a warning at the location of a |
| // reloc. |
| template<int size, bool big_endian> |
| extern void |
| gold_warning_at_location(const Relocate_info<size, big_endian>*, |
| size_t, off_t, const char* format, ...) |
| TEMPLATE_ATTRIBUTE_PRINTF_4; |
| |
| // This function is called to report an undefined symbol. |
| template<int size, bool big_endian> |
| extern void |
| gold_undefined_symbol(const Symbol*, |
| const Relocate_info<size, big_endian>*, |
| size_t, off_t); |
| |
| // 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); |
| |
| // Get the version string. |
| extern const char* |
| get_version_string(); |
| |
| // 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); } |
| |
| // Queue up the first set of tasks. |
| extern void |
| queue_initial_tasks(const General_options&, |
| Dirsearch&, |
| const Command_line&, |
| Workqueue*, |
| Input_objects*, |
| Symbol_table*, |
| Layout*, |
| Mapfile*); |
| |
| // Queue up the middle set of tasks. |
| extern void |
| queue_middle_tasks(const General_options&, |
| const Task*, |
| const Input_objects*, |
| Symbol_table*, |
| Layout*, |
| Workqueue*, |
| Mapfile*); |
| |
| // Queue up the final set of tasks. |
| extern void |
| queue_final_tasks(const General_options&, |
| const Input_objects*, |
| const Symbol_table*, |
| Layout*, |
| Workqueue*, |
| Output_file* of); |
| |
| } // End namespace gold. |
| |
| #endif // !defined(GOLD_GOLD_H) |