gold/gold.h

   1 // gold.h -- general definitions for gold   -*- C++ -*-
   2
   3 #ifndef GOLD_GOLD_H
   4
   5 #include "config.h"
   6 #include "ansidecl.h"
   7
   8 #ifdef ENABLE_NLS
   9 # include <libintl.h>
  10 # define _(String) gettext (String)
  11 # ifdef gettext_noop
  12 #  define N_(String) gettext_noop (String)
  13 # else
  14 #  define N_(String) (String)
  15 # endif
  16 #else
  17 # define gettext(Msgid) (Msgid)
  18 # define dgettext(Domainname, Msgid) (Msgid)
  19 # define dcgettext(Domainname, Msgid, Category) (Msgid)
  20 # define textdomain(Domainname) while (0) /* nothing */
  21 # define bindtextdomain(Domainname, Dirname) while (0) /* nothing */
  22 # define _(String) (String)
  23 # define N_(String) (String)
  24 #endif
  25
  26 // Figure out how to get a hash set and a hash map.
  27
  28 #if defined(HAVE_TR1_UNORDERED_SET) && defined(HAVE_TR1_UNORDERED_MAP)
  29
  30 #include <tr1/unordered_set>
  31 #include <tr1/unordered_map>
  32
  33 // We need a template typedef here.
  34
  35 #define Unordered_set std::tr1::unordered_set
  36 #define Unordered_map std::tr1::unordered_map
  37
  38 #elif defined(HAVE_EXT_HASH_MAP) && defined(HAVE_EXT_HASH_SET)
  39
  40 #include <ext/hash_map>
  41 #include <ext/hash_set>
  42 #include <string>
  43
  44 #define Unordered_set __gnu_cxx::hash_set
  45 #define Unordered_map __gnu_cxx::hash_map
  46
  47 namespace __gnu_cxx
  48 {
  49
  50 template<>
  51 struct hash<std::string>
  52 {
  53   size_t
  54   operator()(std::string s) const
  55   { return __stl_hash_string(s.c_str()); }
  56 };
  57
  58 template<typename T>
  59 struct hash<T*>
  60 {
  61   size_t
  62   operator()(T* p) const
  63   { return reinterpret_cast<size_t>(p); }
  64 };
  65
  66 }
  67
  68 #else
  69
  70 // The fallback is to just use set and map.
  71
  72 #include <set>
  73 #include <map>
  74
  75 #define Unordered_set std::set
  76 #define Unordered_map std::map
  77
  78 #endif
  79
  80 namespace gold
  81 {
  82
  83 class General_options;
  84 class Input_objects;
  85 class Symbol_table;
  86 class Layout;
  87 class Workqueue;
  88 class Output_file;
  89
  90 // The name of the program as used in error messages.
  91 extern const char* program_name;
  92
  93 // This function is called to exit the program.  Status is true to
  94 // exit success (0) and false to exit failure (1).
  95 extern void
  96 gold_exit(bool status) ATTRIBUTE_NORETURN;
  97
  98 // This function is called to emit an unexpected error message and a
  99 // newline, and then exit with failure.  If PERRNO is true, it reports
 100 // the error in errno.
 101 extern void
 102 gold_fatal(const char* msg, bool perrno) ATTRIBUTE_NORETURN;
 103
 104 // This is function is called in some cases if we run out of memory.
 105 extern void
 106 gold_nomem() ATTRIBUTE_NORETURN;
 107
 108 // This function is called in cases which can not arise if the code is
 109 // written correctly.
 110 extern void
 111 gold_unreachable() ATTRIBUTE_NORETURN;
 112
 113 extern void
 114 queue_final_tasks(const General_options&,
 115                   const Input_objects*,
 116                   const Symbol_table*,
 117                   const Layout*,
 118                   Workqueue*,
 119                   Output_file* of);
 120
 121 } // End namespace gold.
 122
 123 #endif // !defined(GOLD_GOLD_H)