binutils-gdb/gold/gold.h

// gold.h -- general definitions for gold   -*- C++ -*-

#ifndef GOLD_GOLD_H

#include "config.h"
#include "ansidecl.h"

#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

namespace gold
{

class General_options;
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 function is called in cases which can not arise if the code is
// written correctly.
extern void
gold_unreachable() ATTRIBUTE_NORETURN;

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)