1 // gold.h -- general definitions for gold -*- C++ -*-
11 # define _(String) gettext (String)
13 # define N_(String) gettext_noop (String)
15 # define N_(String) (String)
18 # define gettext(Msgid) (Msgid)
19 # define dgettext(Domainname, Msgid) (Msgid)
20 # define dcgettext(Domainname, Msgid, Category) (Msgid)
21 # define textdomain(Domainname) while (0) /* nothing */
22 # define bindtextdomain(Domainname, Dirname) while (0) /* nothing */
23 # define _(String) (String)
24 # define N_(String) (String)
27 // Figure out how to get a hash set and a hash map.
29 #if defined(HAVE_TR1_UNORDERED_SET) && defined(HAVE_TR1_UNORDERED_MAP)
31 #include <tr1/unordered_set>
32 #include <tr1/unordered_map>
34 // We need a template typedef here.
36 #define Unordered_set std::tr1::unordered_set
37 #define Unordered_map std::tr1::unordered_map
39 #elif defined(HAVE_EXT_HASH_MAP) && defined(HAVE_EXT_HASH_SET)
41 #include <ext/hash_map>
42 #include <ext/hash_set>
45 #define Unordered_set __gnu_cxx::hash_set
46 #define Unordered_map __gnu_cxx::hash_map
52 struct hash
<std::string
>
55 operator()(std::string s
) const
56 { return __stl_hash_string(s
.c_str()); }
63 operator()(T
* p
) const
64 { return reinterpret_cast<size_t>(p
); }
71 // The fallback is to just use set and map.
76 #define Unordered_set std::set
77 #define Unordered_map std::map
83 // This is a hack to work around a problem with older versions of g++.
84 // The problem is that they don't support calling a member template by
85 // specifying the template parameters. It works to pass in an
86 // argument for argument dependent lookup.
88 // To use this, the member template method declaration should put
89 // ACCEPT_SIZE or ACCEPT_SIZE_ENDIAN after the last parameter. If the
90 // method takes no parameters, use ACCEPT_SIZE_ONLY or
91 // ACCEPT_SIZE_ENDIAN_ONLY.
93 // When calling the method, instead of using fn<size>, use fn
94 // SELECT_SIZE_NAME or SELECT_SIZE_ENDIAN_NAME. And after the last
95 // argument, put SELECT_SIZE(size) or SELECT_SIZE_ENDIAN(size,
96 // big_endian). If there is only one argment, use the _ONLY variants.
98 #ifdef HAVE_MEMBER_TEMPLATE_SPECIFICATIONS
100 #define SELECT_SIZE_NAME(size) <size>
101 #define SELECT_SIZE(size)
102 #define SELECT_SIZE_ONLY(size)
104 #define ACCEPT_SIZE_ONLY
105 #define ACCEPT_SIZE_EXPLICIT(size)
107 #define SELECT_SIZE_ENDIAN_NAME(size, big_endian) <size, big_endian>
108 #define SELECT_SIZE_ENDIAN(size, big_endian)
109 #define SELECT_SIZE_ENDIAN_ONLY(size, big_endian)
110 #define ACCEPT_SIZE_ENDIAN
111 #define ACCEPT_SIZE_ENDIAN_ONLY
112 #define ACCEPT_SIZE_ENDIAN_EXPLICIT(size, big_endian)
114 #else // !defined(HAVE_MEMBER_TEMPLATE_SPECIFICATIONS)
117 class Select_size
{ };
118 template<int size
, bool big_endian
>
119 class Select_size_endian
{ };
121 #define SELECT_SIZE_NAME(size)
122 #define SELECT_SIZE(size) , Select_size<size>()
123 #define SELECT_SIZE_ONLY(size) Select_size<size>()
124 #define ACCEPT_SIZE , Select_size<size>
125 #define ACCEPT_SIZE_ONLY Select_size<size>
126 #define ACCEPT_SIZE_EXPLICIT(size) , Select_size<size>
128 #define SELECT_SIZE_ENDIAN_NAME(size, big_endian)
129 #define SELECT_SIZE_ENDIAN(size, big_endian) \
130 , Select_size_endian<size, big_endian>()
131 #define SELECT_SIZE_ENDIAN_ONLY(size, big_endian) \
132 Select_size_endian<size, big_endian>()
133 #define ACCEPT_SIZE_ENDIAN , Select_size_endian<size, big_endian>
134 #define ACCEPT_SIZE_ENDIAN_ONLY Select_size_endian<size, big_endian>
135 #define ACCEPT_SIZE_ENDIAN_EXPLICIT(size, big_endian) \
136 , Select_size_endian<size, big_endian>
138 #endif // !defined(HAVE_MEMBER_TEMPLATE_SPECIFICATIONS)
140 } // End namespace gold.
145 class General_options
;
147 class Input_argument_list
;
155 // The name of the program as used in error messages.
156 extern const char* program_name
;
158 // This function is called to exit the program. Status is true to
159 // exit success (0) and false to exit failure (1).
161 gold_exit(bool status
) ATTRIBUTE_NORETURN
;
163 // This function is called to emit an unexpected error message and a
164 // newline, and then exit with failure. If PERRNO is true, it reports
165 // the error in errno.
167 gold_fatal(const char* msg
, bool perrno
) ATTRIBUTE_NORETURN
;
169 // This is function is called in some cases if we run out of memory.
171 gold_nomem() ATTRIBUTE_NORETURN
;
173 // This macro and function are used in cases which can not arise if
174 // the code is written correctly.
176 #define gold_unreachable() \
177 (gold::do_gold_unreachable(__FILE__, __LINE__, __FUNCTION__))
179 extern void do_gold_unreachable(const char*, int, const char*)
184 #define gold_assert(expr) ((void)(!(expr) ? gold_unreachable(), 0 : 0))
186 // Queue up the first set of tasks.
188 queue_initial_tasks(const General_options
&,
196 // Queue up the middle set of tasks.
198 queue_middle_tasks(const General_options
&,
199 const Input_objects
*,
204 // Queue up the final set of tasks.
206 queue_final_tasks(const General_options
&,
207 const Input_objects
*,
213 } // End namespace gold.
215 #endif // !defined(GOLD_GOLD_H)
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