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1 | // errors.cc -- handle errors for gold |
2 | ||
3 | // Copyright 2006, 2007 Free Software Foundation, Inc. | |
4 | // Written by Ian Lance Taylor <iant@google.com>. | |
5 | ||
6 | // This file is part of gold. | |
7 | ||
8 | // This program is free software; you can redistribute it and/or modify | |
9 | // it under the terms of the GNU General Public License as published by | |
10 | // the Free Software Foundation; either version 3 of the License, or | |
11 | // (at your option) any later version. | |
12 | ||
13 | // This program is distributed in the hope that it will be useful, | |
14 | // but WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 | // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
16 | // GNU General Public License for more details. | |
17 | ||
18 | // You should have received a copy of the GNU General Public License | |
19 | // along with this program; if not, write to the Free Software | |
20 | // Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, | |
21 | // MA 02110-1301, USA. | |
22 | ||
23 | #include "gold.h" | |
24 | ||
25 | #include <cstdarg> | |
26 | #include <cstdio> | |
27 | ||
28 | #include "gold-threads.h" | |
29 | #include "parameters.h" | |
30 | #include "object.h" | |
31 | #include "symtab.h" | |
32 | #include "errors.h" | |
33 | ||
34 | namespace gold | |
35 | { | |
36 | ||
37 | // Class Errors. | |
38 | ||
39 | const int Errors::max_undefined_error_report; | |
40 | ||
41 | Errors::Errors(const char* program_name) | |
c7912668 ILT |
42 | : program_name_(program_name), lock_(NULL), error_count_(0), |
43 | warning_count_(0), undefined_symbols_() | |
75f2446e ILT |
44 | { |
45 | } | |
46 | ||
c7912668 ILT |
47 | // Initialize the lock_ field. |
48 | ||
49 | void | |
50 | Errors::initialize_lock() | |
51 | { | |
52 | if (this->lock_ == NULL) | |
53 | this->lock_ = new Lock; | |
54 | } | |
55 | ||
75f2446e ILT |
56 | // Report a fatal error. |
57 | ||
58 | void | |
59 | Errors::fatal(const char* format, va_list args) | |
60 | { | |
61 | fprintf(stderr, "%s: ", this->program_name_); | |
62 | vfprintf(stderr, format, args); | |
63 | fputc('\n', stderr); | |
64 | gold_exit(false); | |
65 | } | |
66 | ||
67 | // Report an error. | |
68 | ||
69 | void | |
70 | Errors::error(const char* format, va_list args) | |
71 | { | |
72 | fprintf(stderr, "%s: ", this->program_name_); | |
73 | vfprintf(stderr, format, args); | |
74 | fputc('\n', stderr); | |
c7912668 ILT |
75 | |
76 | this->initialize_lock(); | |
75f2446e | 77 | { |
c7912668 | 78 | Hold_lock h(*this->lock_); |
75f2446e ILT |
79 | ++this->error_count_; |
80 | } | |
81 | } | |
82 | ||
83 | // Report a warning. | |
84 | ||
85 | void | |
86 | Errors::warning(const char* format, va_list args) | |
87 | { | |
88 | fprintf(stderr, _("%s: warning: "), this->program_name_); | |
89 | vfprintf(stderr, format, args); | |
90 | fputc('\n', stderr); | |
c7912668 ILT |
91 | |
92 | this->initialize_lock(); | |
75f2446e | 93 | { |
c7912668 | 94 | Hold_lock h(*this->lock_); |
75f2446e ILT |
95 | ++this->warning_count_; |
96 | } | |
97 | } | |
98 | ||
99 | // Report an error at a reloc location. | |
100 | ||
101 | template<int size, bool big_endian> | |
102 | void | |
103 | Errors::error_at_location(const Relocate_info<size, big_endian>* relinfo, | |
104 | size_t relnum, off_t reloffset, | |
105 | const char* format, va_list args) | |
106 | { | |
107 | fprintf(stderr, "%s: %s: ", this->program_name_, | |
108 | relinfo->location(relnum, reloffset).c_str()); | |
109 | vfprintf(stderr, format, args); | |
110 | fputc('\n', stderr); | |
c7912668 ILT |
111 | |
112 | this->initialize_lock(); | |
75f2446e | 113 | { |
c7912668 | 114 | Hold_lock h(*this->lock_); |
75f2446e ILT |
115 | ++this->error_count_; |
116 | } | |
117 | } | |
118 | ||
119 | // Report a warning at a reloc location. | |
120 | ||
121 | template<int size, bool big_endian> | |
122 | void | |
123 | Errors::warning_at_location(const Relocate_info<size, big_endian>* relinfo, | |
124 | size_t relnum, off_t reloffset, | |
125 | const char* format, va_list args) | |
126 | { | |
127 | fprintf(stderr, _("%s: %s: warning: "), this->program_name_, | |
128 | relinfo->location(relnum, reloffset).c_str()); | |
129 | vfprintf(stderr, format, args); | |
130 | fputc('\n', stderr); | |
c7912668 ILT |
131 | |
132 | this->initialize_lock(); | |
75f2446e | 133 | { |
c7912668 | 134 | Hold_lock h(*this->lock_); |
75f2446e ILT |
135 | ++this->warning_count_; |
136 | } | |
137 | } | |
138 | ||
139 | // Issue an undefined symbol error. | |
140 | ||
141 | template<int size, bool big_endian> | |
142 | void | |
143 | Errors::undefined_symbol(const Symbol* sym, | |
144 | const Relocate_info<size, big_endian>* relinfo, | |
145 | size_t relnum, off_t reloffset) | |
146 | { | |
c7912668 | 147 | this->initialize_lock(); |
75f2446e | 148 | { |
c7912668 | 149 | Hold_lock h(*this->lock_); |
75f2446e ILT |
150 | if (++this->undefined_symbols_[sym] >= max_undefined_error_report) |
151 | return; | |
152 | ++this->error_count_; | |
153 | } | |
154 | fprintf(stderr, _("%s: %s: undefined reference to '%s'\n"), | |
155 | this->program_name_, relinfo->location(relnum, reloffset).c_str(), | |
a2b1aa12 | 156 | sym->demangled_name().c_str()); |
75f2446e ILT |
157 | } |
158 | ||
c7912668 ILT |
159 | // Issue a debugging message. |
160 | ||
161 | void | |
162 | Errors::debug(const char* format, ...) | |
163 | { | |
164 | fprintf(stderr, _("%s: "), this->program_name_); | |
165 | ||
166 | va_list args; | |
167 | va_start(args, format); | |
168 | vfprintf(stderr, format, args); | |
169 | va_end(args); | |
170 | ||
171 | fputc('\n', stderr); | |
172 | } | |
75f2446e ILT |
173 | |
174 | // The functions which the rest of the code actually calls. | |
175 | ||
176 | // Report a fatal error. | |
177 | ||
178 | void | |
179 | gold_fatal(const char* format, ...) | |
180 | { | |
181 | va_list args; | |
182 | va_start(args, format); | |
183 | parameters->errors()->fatal(format, args); | |
184 | va_end(args); | |
185 | } | |
186 | ||
187 | // Report an error. | |
188 | ||
189 | void | |
190 | gold_error(const char* format, ...) | |
191 | { | |
192 | va_list args; | |
193 | va_start(args, format); | |
194 | parameters->errors()->error(format, args); | |
195 | va_end(args); | |
196 | } | |
197 | ||
198 | // Report a warning. | |
199 | ||
200 | void | |
201 | gold_warning(const char* format, ...) | |
202 | { | |
203 | va_list args; | |
204 | va_start(args, format); | |
205 | parameters->errors()->warning(format, args); | |
206 | va_end(args); | |
207 | } | |
208 | ||
209 | // Report an error at a location. | |
210 | ||
211 | template<int size, bool big_endian> | |
212 | void | |
213 | gold_error_at_location(const Relocate_info<size, big_endian>* relinfo, | |
214 | size_t relnum, off_t reloffset, | |
215 | const char* format, ...) | |
216 | { | |
217 | va_list args; | |
218 | va_start(args, format); | |
219 | parameters->errors()->error_at_location(relinfo, relnum, reloffset, | |
220 | format, args); | |
221 | va_end(args); | |
222 | } | |
223 | ||
224 | // Report a warning at a location. | |
225 | ||
226 | template<int size, bool big_endian> | |
227 | void | |
228 | gold_warning_at_location(const Relocate_info<size, big_endian>* relinfo, | |
229 | size_t relnum, off_t reloffset, | |
230 | const char* format, ...) | |
231 | { | |
232 | va_list args; | |
233 | va_start(args, format); | |
234 | parameters->errors()->warning_at_location(relinfo, relnum, reloffset, | |
235 | format, args); | |
236 | va_end(args); | |
237 | } | |
238 | ||
239 | // Report an undefined symbol. | |
240 | ||
241 | template<int size, bool big_endian> | |
242 | void | |
243 | gold_undefined_symbol(const Symbol* sym, | |
244 | const Relocate_info<size, big_endian>* relinfo, | |
245 | size_t relnum, off_t reloffset) | |
246 | { | |
247 | parameters->errors()->undefined_symbol(sym, relinfo, relnum, reloffset); | |
248 | } | |
249 | ||
250 | #ifdef HAVE_TARGET_32_LITTLE | |
251 | template | |
252 | void | |
253 | gold_error_at_location<32, false>(const Relocate_info<32, false>* relinfo, | |
254 | size_t relnum, off_t reloffset, | |
255 | const char* format, ...); | |
256 | #endif | |
257 | ||
258 | #ifdef HAVE_TARGET_32_BIG | |
259 | template | |
260 | void | |
261 | gold_error_at_location<32, true>(const Relocate_info<32, true>* relinfo, | |
262 | size_t relnum, off_t reloffset, | |
263 | const char* format, ...); | |
264 | #endif | |
265 | ||
266 | #ifdef HAVE_TARGET_64_LITTLE | |
267 | template | |
268 | void | |
269 | gold_error_at_location<64, false>(const Relocate_info<64, false>* relinfo, | |
270 | size_t relnum, off_t reloffset, | |
271 | const char* format, ...); | |
272 | #endif | |
273 | ||
274 | #ifdef HAVE_TARGET_64_BIG | |
275 | template | |
276 | void | |
277 | gold_error_at_location<64, true>(const Relocate_info<64, true>* relinfo, | |
278 | size_t relnum, off_t reloffset, | |
279 | const char* format, ...); | |
280 | #endif | |
281 | ||
282 | #ifdef HAVE_TARGET_32_LITTLE | |
283 | template | |
284 | void | |
285 | gold_warning_at_location<32, false>(const Relocate_info<32, false>* relinfo, | |
286 | size_t relnum, off_t reloffset, | |
287 | const char* format, ...); | |
288 | #endif | |
289 | ||
290 | #ifdef HAVE_TARGET_32_BIG | |
291 | template | |
292 | void | |
293 | gold_warning_at_location<32, true>(const Relocate_info<32, true>* relinfo, | |
294 | size_t relnum, off_t reloffset, | |
295 | const char* format, ...); | |
296 | #endif | |
297 | ||
298 | #ifdef HAVE_TARGET_64_LITTLE | |
299 | template | |
300 | void | |
301 | gold_warning_at_location<64, false>(const Relocate_info<64, false>* relinfo, | |
302 | size_t relnum, off_t reloffset, | |
303 | const char* format, ...); | |
304 | #endif | |
305 | ||
306 | #ifdef HAVE_TARGET_64_BIG | |
307 | template | |
308 | void | |
309 | gold_warning_at_location<64, true>(const Relocate_info<64, true>* relinfo, | |
310 | size_t relnum, off_t reloffset, | |
311 | const char* format, ...); | |
312 | #endif | |
313 | ||
314 | #ifdef HAVE_TARGET_32_LITTLE | |
315 | template | |
316 | void | |
317 | gold_undefined_symbol<32, false>(const Symbol* sym, | |
318 | const Relocate_info<32, false>* relinfo, | |
319 | size_t relnum, off_t reloffset); | |
320 | #endif | |
321 | ||
322 | #ifdef HAVE_TARGET_32_BIG | |
323 | template | |
324 | void | |
325 | gold_undefined_symbol<32, true>(const Symbol* sym, | |
326 | const Relocate_info<32, true>* relinfo, | |
327 | size_t relnum, off_t reloffset); | |
328 | #endif | |
329 | ||
330 | #ifdef HAVE_TARGET_64_LITTLE | |
331 | template | |
332 | void | |
333 | gold_undefined_symbol<64, false>(const Symbol* sym, | |
334 | const Relocate_info<64, false>* relinfo, | |
335 | size_t relnum, off_t reloffset); | |
336 | #endif | |
337 | ||
338 | #ifdef HAVE_TARGET_64_BIG | |
339 | template | |
340 | void | |
341 | gold_undefined_symbol<64, true>(const Symbol* sym, | |
342 | const Relocate_info<64, true>* relinfo, | |
343 | size_t relnum, off_t reloffset); | |
344 | #endif | |
345 | ||
346 | } // End namespace gold. |