Fix yacc and lex reruns with maintainer-mode off.
[binutils.git] / gold / errors.cc
blob618f9cd643e5e3bd01efe5029fd6a80abe72a64b
1 // errors.cc -- handle errors for gold
3 // Copyright 2006, 2007, 2008 Free Software Foundation, Inc.
4 // Written by Ian Lance Taylor <iant@google.com>.
6 // This file is part of gold.
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.
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.
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.
23 #include "gold.h"
25 #include <cstdarg>
26 #include <cstdio>
28 #include "gold-threads.h"
29 #include "parameters.h"
30 #include "object.h"
31 #include "symtab.h"
32 #include "errors.h"
34 namespace gold
37 // Class Errors.
39 const int Errors::max_undefined_error_report;
41 Errors::Errors(const char* program_name)
42 : program_name_(program_name), lock_(NULL), initialize_lock_(&this->lock_),
43 error_count_(0), warning_count_(0), undefined_symbols_()
47 // Initialize the lock_ field. If we have not yet processed the
48 // parameters, then we can't initialize, since we don't yet know
49 // whether we are using threads. That is OK, since if we haven't
50 // processed the parameters, we haven't created any threads, and we
51 // don't need a lock. Return true if the lock is now initialized.
53 bool
54 Errors::initialize_lock()
56 return this->initialize_lock_.initialize();
59 // Increment a counter, holding the lock if available.
61 void
62 Errors::increment_counter(int *counter)
64 if (!this->initialize_lock())
66 // The lock does not exist, which means that we don't need it.
67 ++*counter;
69 else
71 Hold_lock h(*this->lock_);
72 ++*counter;
76 // Report a fatal error.
78 void
79 Errors::fatal(const char* format, va_list args)
81 fprintf(stderr, _("%s: fatal error: "), this->program_name_);
82 vfprintf(stderr, format, args);
83 fputc('\n', stderr);
84 gold_exit(false);
87 // Report an error.
89 void
90 Errors::error(const char* format, va_list args)
92 fprintf(stderr, _("%s: error: "), this->program_name_);
93 vfprintf(stderr, format, args);
94 fputc('\n', stderr);
96 this->increment_counter(&this->error_count_);
99 // Report a warning.
101 void
102 Errors::warning(const char* format, va_list args)
104 fprintf(stderr, _("%s: warning: "), this->program_name_);
105 vfprintf(stderr, format, args);
106 fputc('\n', stderr);
108 this->increment_counter(&this->warning_count_);
111 // Print an informational message.
113 void
114 Errors::info(const char* format, va_list args)
116 vfprintf(stderr, format, args);
117 fputc('\n', stderr);
120 // Report an error at a reloc location.
122 template<int size, bool big_endian>
123 void
124 Errors::error_at_location(const Relocate_info<size, big_endian>* relinfo,
125 size_t relnum, off_t reloffset,
126 const char* format, va_list args)
128 fprintf(stderr, _("%s: %s: error: "), this->program_name_,
129 relinfo->location(relnum, reloffset).c_str());
130 vfprintf(stderr, format, args);
131 fputc('\n', stderr);
133 this->increment_counter(&this->error_count_);
136 // Report a warning at a reloc location.
138 template<int size, bool big_endian>
139 void
140 Errors::warning_at_location(const Relocate_info<size, big_endian>* relinfo,
141 size_t relnum, off_t reloffset,
142 const char* format, va_list args)
144 fprintf(stderr, _("%s: %s: warning: "), this->program_name_,
145 relinfo->location(relnum, reloffset).c_str());
146 vfprintf(stderr, format, args);
147 fputc('\n', stderr);
149 this->increment_counter(&this->warning_count_);
152 // Issue an undefined symbol error with a caller-supplied location string.
154 void
155 Errors::undefined_symbol(const Symbol* sym, const std::string& location)
157 bool initialized = this->initialize_lock();
158 gold_assert(initialized);
160 Hold_lock h(*this->lock_);
161 if (++this->undefined_symbols_[sym] >= max_undefined_error_report)
162 return;
163 ++this->error_count_;
165 const char* const version = sym->version();
166 if (version == NULL)
167 fprintf(stderr, _("%s: %s: error: undefined reference to '%s'\n"),
168 this->program_name_, location.c_str(),
169 sym->demangled_name().c_str());
170 else
171 fprintf(stderr,
172 _("%s: %s: error: undefined reference to '%s', version '%s'\n"),
173 this->program_name_, location.c_str(),
174 sym->demangled_name().c_str(), version);
177 // Issue a debugging message.
179 void
180 Errors::debug(const char* format, ...)
182 fprintf(stderr, _("%s: "), this->program_name_);
184 va_list args;
185 va_start(args, format);
186 vfprintf(stderr, format, args);
187 va_end(args);
189 fputc('\n', stderr);
192 // The functions which the rest of the code actually calls.
194 // Report a fatal error.
196 void
197 gold_fatal(const char* format, ...)
199 va_list args;
200 va_start(args, format);
201 parameters->errors()->fatal(format, args);
202 va_end(args);
205 // Report an error.
207 void
208 gold_error(const char* format, ...)
210 va_list args;
211 va_start(args, format);
212 parameters->errors()->error(format, args);
213 va_end(args);
216 // Report a warning.
218 void
219 gold_warning(const char* format, ...)
221 va_list args;
222 va_start(args, format);
223 parameters->errors()->warning(format, args);
224 va_end(args);
227 // Print an informational message.
229 void
230 gold_info(const char* format, ...)
232 va_list args;
233 va_start(args, format);
234 parameters->errors()->info(format, args);
235 va_end(args);
238 // Report an error at a location.
240 template<int size, bool big_endian>
241 void
242 gold_error_at_location(const Relocate_info<size, big_endian>* relinfo,
243 size_t relnum, off_t reloffset,
244 const char* format, ...)
246 va_list args;
247 va_start(args, format);
248 parameters->errors()->error_at_location(relinfo, relnum, reloffset,
249 format, args);
250 va_end(args);
253 // Report a warning at a location.
255 template<int size, bool big_endian>
256 void
257 gold_warning_at_location(const Relocate_info<size, big_endian>* relinfo,
258 size_t relnum, off_t reloffset,
259 const char* format, ...)
261 va_list args;
262 va_start(args, format);
263 parameters->errors()->warning_at_location(relinfo, relnum, reloffset,
264 format, args);
265 va_end(args);
268 // Report an undefined symbol.
270 void
271 gold_undefined_symbol(const Symbol* sym)
273 parameters->errors()->undefined_symbol(sym, sym->object()->name().c_str());
276 // Report an undefined symbol at a reloc location
278 template<int size, bool big_endian>
279 void
280 gold_undefined_symbol_at_location(const Symbol* sym,
281 const Relocate_info<size, big_endian>* relinfo,
282 size_t relnum, off_t reloffset)
284 parameters->errors()->undefined_symbol(sym,
285 relinfo->location(relnum, reloffset));
288 #ifdef HAVE_TARGET_32_LITTLE
289 template
290 void
291 gold_error_at_location<32, false>(const Relocate_info<32, false>* relinfo,
292 size_t relnum, off_t reloffset,
293 const char* format, ...);
294 #endif
296 #ifdef HAVE_TARGET_32_BIG
297 template
298 void
299 gold_error_at_location<32, true>(const Relocate_info<32, true>* relinfo,
300 size_t relnum, off_t reloffset,
301 const char* format, ...);
302 #endif
304 #ifdef HAVE_TARGET_64_LITTLE
305 template
306 void
307 gold_error_at_location<64, false>(const Relocate_info<64, false>* relinfo,
308 size_t relnum, off_t reloffset,
309 const char* format, ...);
310 #endif
312 #ifdef HAVE_TARGET_64_BIG
313 template
314 void
315 gold_error_at_location<64, true>(const Relocate_info<64, true>* relinfo,
316 size_t relnum, off_t reloffset,
317 const char* format, ...);
318 #endif
320 #ifdef HAVE_TARGET_32_LITTLE
321 template
322 void
323 gold_warning_at_location<32, false>(const Relocate_info<32, false>* relinfo,
324 size_t relnum, off_t reloffset,
325 const char* format, ...);
326 #endif
328 #ifdef HAVE_TARGET_32_BIG
329 template
330 void
331 gold_warning_at_location<32, true>(const Relocate_info<32, true>* relinfo,
332 size_t relnum, off_t reloffset,
333 const char* format, ...);
334 #endif
336 #ifdef HAVE_TARGET_64_LITTLE
337 template
338 void
339 gold_warning_at_location<64, false>(const Relocate_info<64, false>* relinfo,
340 size_t relnum, off_t reloffset,
341 const char* format, ...);
342 #endif
344 #ifdef HAVE_TARGET_64_BIG
345 template
346 void
347 gold_warning_at_location<64, true>(const Relocate_info<64, true>* relinfo,
348 size_t relnum, off_t reloffset,
349 const char* format, ...);
350 #endif
352 #ifdef HAVE_TARGET_32_LITTLE
353 template
354 void
355 gold_undefined_symbol_at_location<32, false>(
356 const Symbol* sym,
357 const Relocate_info<32, false>* relinfo,
358 size_t relnum, off_t reloffset);
359 #endif
361 #ifdef HAVE_TARGET_32_BIG
362 template
363 void
364 gold_undefined_symbol_at_location<32, true>(
365 const Symbol* sym,
366 const Relocate_info<32, true>* relinfo,
367 size_t relnum, off_t reloffset);
368 #endif
370 #ifdef HAVE_TARGET_64_LITTLE
371 template
372 void
373 gold_undefined_symbol_at_location<64, false>(
374 const Symbol* sym,
375 const Relocate_info<64, false>* relinfo,
376 size_t relnum, off_t reloffset);
377 #endif
379 #ifdef HAVE_TARGET_64_BIG
380 template
381 void
382 gold_undefined_symbol_at_location<64, true>(
383 const Symbol* sym,
384 const Relocate_info<64, true>* relinfo,
385 size_t relnum, off_t reloffset);
386 #endif
388 } // End namespace gold.