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bae7f79e ILT |
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 | ||
54dc6425 ILT |
26 | // Figure out how to get a hash set and a hash map. |
27 | ||
d288e464 | 28 | #if defined(HAVE_TR1_UNORDERED_SET) && defined(HAVE_TR1_UNORDERED_MAP) |
bae7f79e ILT |
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 | ||
d288e464 | 38 | #elif defined(HAVE_EXT_HASH_MAP) && defined(HAVE_EXT_HASH_SET) |
54dc6425 ILT |
39 | |
40 | #include <ext/hash_map> | |
41 | #include <ext/hash_set> | |
274e99f9 | 42 | #include <string> |
54dc6425 ILT |
43 | |
44 | #define Unordered_set __gnu_cxx::hash_set | |
45 | #define Unordered_map __gnu_cxx::hash_map | |
46 | ||
274e99f9 ILT |
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 | ||
54dc6425 ILT |
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 | ||
5482377d ILT |
80 | namespace gold |
81 | { | |
82 | // This is a hack to work around a problem with older versions of g++. | |
83 | // The problem is that they don't support calling a member template by | |
84 | // specifying the template parameters. It works to pass in an | |
85 | // argument for argument dependent lookup. | |
86 | ||
87 | // To use this, the member template method declaration should put | |
88 | // ACCEPT_SIZE or ACCEPT_SIZE_ENDIAN after the last parameter. If the | |
89 | // method takes no parameters, use ACCEPT_SIZE_ONLY or | |
90 | // ACCEPT_SIZE_ENDIAN_ONLY. | |
91 | ||
92 | // When calling the method, instead of using fn<size>, use fn | |
93 | // SELECT_SIZE_NAME or SELECT_SIZE_ENDIAN_NAME. And after the last | |
94 | // argument, put SELECT_SIZE(size) or SELECT_SIZE_ENDIAN(size, | |
95 | // big_endian). If there is only one argment, use the _ONLY variants. | |
96 | ||
97 | #ifdef HAVE_MEMBER_TEMPLATE_SPECIFICATIONS | |
98 | ||
593f47df | 99 | #define SELECT_SIZE_NAME(size) <size> |
5482377d ILT |
100 | #define SELECT_SIZE(size) |
101 | #define SELECT_SIZE_ONLY(size) | |
102 | #define ACCEPT_SIZE | |
103 | #define ACCEPT_SIZE_ONLY | |
91da9340 | 104 | #define ACCEPT_SIZE_EXPLICIT(size) |
5482377d | 105 | |
593f47df | 106 | #define SELECT_SIZE_ENDIAN_NAME(size, big_endian) <size, big_endian> |
5482377d ILT |
107 | #define SELECT_SIZE_ENDIAN(size, big_endian) |
108 | #define SELECT_SIZE_ENDIAN_ONLY(size, big_endian) | |
109 | #define ACCEPT_SIZE_ENDIAN | |
110 | #define ACCEPT_SIZE_ENDIAN_ONLY | |
91da9340 | 111 | #define ACCEPT_SIZE_ENDIAN_EXPLICIT(size, big_endian) |
5482377d ILT |
112 | |
113 | #else // !defined(HAVE_MEMBER_TEMPLATE_SPECIFICATIONS) | |
114 | ||
115 | template<int size> | |
116 | class Select_size { }; | |
117 | template<int size, bool big_endian> | |
118 | class Select_size_endian { }; | |
119 | ||
593f47df | 120 | #define SELECT_SIZE_NAME(size) |
5482377d ILT |
121 | #define SELECT_SIZE(size) , Select_size<size>() |
122 | #define SELECT_SIZE_ONLY(size) Select_size<size>() | |
123 | #define ACCEPT_SIZE , Select_size<size> | |
124 | #define ACCEPT_SIZE_ONLY Select_size<size> | |
91da9340 | 125 | #define ACCEPT_SIZE_EXPLICIT(size) , Select_size<size> |
5482377d | 126 | |
593f47df | 127 | #define SELECT_SIZE_ENDIAN_NAME(size, big_endian) |
5482377d ILT |
128 | #define SELECT_SIZE_ENDIAN(size, big_endian) \ |
129 | , Select_size_endian<size, big_endian>() | |
130 | #define SELECT_SIZE_ENDIAN_ONLY(size, big_endian) \ | |
131 | Select_size_endian<size, big_endian>() | |
132 | #define ACCEPT_SIZE_ENDIAN , Select_size_endian<size, big_endian> | |
133 | #define ACCEPT_SIZE_ENDIAN_ONLY Select_size_endian<size, big_endian> | |
91da9340 ILT |
134 | #define ACCEPT_SIZE_ENDIAN_EXPLICIT(size, big_endian) \ |
135 | , Select_size_endian<size, big_endian> | |
5482377d ILT |
136 | |
137 | #endif // !defined(HAVE_MEMBER_TEMPLATE_SPECIFICATIONS) | |
138 | ||
139 | } // End namespace gold. | |
140 | ||
bae7f79e ILT |
141 | namespace gold |
142 | { | |
143 | ||
61ba1cf9 | 144 | class General_options; |
5a6f7e2d | 145 | class Command_line; |
92e059d8 ILT |
146 | class Input_argument_list; |
147 | class Dirsearch; | |
61ba1cf9 ILT |
148 | class Input_objects; |
149 | class Symbol_table; | |
150 | class Layout; | |
151 | class Workqueue; | |
152 | class Output_file; | |
153 | ||
bae7f79e ILT |
154 | // The name of the program as used in error messages. |
155 | extern const char* program_name; | |
156 | ||
157 | // This function is called to exit the program. Status is true to | |
158 | // exit success (0) and false to exit failure (1). | |
159 | extern void | |
160 | gold_exit(bool status) ATTRIBUTE_NORETURN; | |
161 | ||
162 | // This function is called to emit an unexpected error message and a | |
163 | // newline, and then exit with failure. If PERRNO is true, it reports | |
164 | // the error in errno. | |
165 | extern void | |
166 | gold_fatal(const char* msg, bool perrno) ATTRIBUTE_NORETURN; | |
167 | ||
168 | // This is function is called in some cases if we run out of memory. | |
169 | extern void | |
170 | gold_nomem() ATTRIBUTE_NORETURN; | |
171 | ||
a3ad94ed ILT |
172 | // This macro and function are used in cases which can not arise if |
173 | // the code is written correctly. | |
174 | ||
175 | #define gold_unreachable() \ | |
176 | (gold::do_gold_unreachable(__FILE__, __LINE__, __FUNCTION__)) | |
177 | ||
178 | extern void do_gold_unreachable(const char*, int, const char*) | |
179 | ATTRIBUTE_NORETURN; | |
180 | ||
181 | // Assertion check. | |
182 | ||
183 | #define gold_assert(expr) ((void)(!(expr) ? gold_unreachable(), 0 : 0)) | |
bae7f79e | 184 | |
92e059d8 ILT |
185 | // Queue up the first set of tasks. |
186 | extern void | |
187 | queue_initial_tasks(const General_options&, | |
188 | const Dirsearch&, | |
5a6f7e2d | 189 | const Command_line&, |
92e059d8 ILT |
190 | Workqueue*, |
191 | Input_objects*, | |
192 | Symbol_table*, | |
193 | Layout*); | |
194 | ||
195 | // Queue up the middle set of tasks. | |
196 | extern void | |
197 | queue_middle_tasks(const General_options&, | |
198 | const Input_objects*, | |
199 | Symbol_table*, | |
200 | Layout*, | |
201 | Workqueue*); | |
202 | ||
203 | // Queue up the final set of tasks. | |
61ba1cf9 ILT |
204 | extern void |
205 | queue_final_tasks(const General_options&, | |
206 | const Input_objects*, | |
207 | const Symbol_table*, | |
208 | const Layout*, | |
209 | Workqueue*, | |
210 | Output_file* of); | |
211 | ||
bae7f79e ILT |
212 | } // End namespace gold. |
213 | ||
214 | #endif // !defined(GOLD_GOLD_H) |