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.
28 #include "gold-threads.h"
29 #include "parameters.h"
39 const int Errors::max_undefined_error_report;
41 Errors::Errors(const char* program_name)
42 : program_name_(program_name), lock_(NULL), error_count_(0),
43 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.
54 Errors::initialize_lock()
56 if (this->lock_ == NULL && parameters->options_valid())
57 this->lock_ = new Lock;
58 return this->lock_ != NULL;
61 // Increment a counter, holding the lock if available.
64 Errors::increment_counter(int *counter)
66 if (!this->initialize_lock())
68 // The lock does not exist, which means that we don't need it.
73 Hold_lock h(*this->lock_);
78 // Report a fatal error.
81 Errors::fatal(const char* format, va_list args)
83 fprintf(stderr, "%s: ", this->program_name_);
84 vfprintf(stderr, format, args);
92 Errors::error(const char* format, va_list args)
94 fprintf(stderr, "%s: ", this->program_name_);
95 vfprintf(stderr, format, args);
98 this->increment_counter(&this->error_count_);
104 Errors::warning(const char* format, va_list args)
106 fprintf(stderr, _("%s: warning: "), this->program_name_);
107 vfprintf(stderr, format, args);
110 this->increment_counter(&this->warning_count_);
113 // Report an error at a reloc location.
115 template<int size, bool big_endian>
117 Errors::error_at_location(const Relocate_info<size, big_endian>* relinfo,
118 size_t relnum, off_t reloffset,
119 const char* format, va_list args)
121 fprintf(stderr, "%s: %s: ", this->program_name_,
122 relinfo->location(relnum, reloffset).c_str());
123 vfprintf(stderr, format, args);
126 this->increment_counter(&this->error_count_);
129 // Report a warning at a reloc location.
131 template<int size, bool big_endian>
133 Errors::warning_at_location(const Relocate_info<size, big_endian>* relinfo,
134 size_t relnum, off_t reloffset,
135 const char* format, va_list args)
137 fprintf(stderr, _("%s: %s: warning: "), this->program_name_,
138 relinfo->location(relnum, reloffset).c_str());
139 vfprintf(stderr, format, args);
142 this->increment_counter(&this->warning_count_);
145 // Issue an undefined symbol error.
147 template<int size, bool big_endian>
149 Errors::undefined_symbol(const Symbol* sym,
150 const Relocate_info<size, big_endian>* relinfo,
151 size_t relnum, off_t reloffset)
153 bool initialized = this->initialize_lock();
154 gold_assert(initialized);
156 Hold_lock h(*this->lock_);
157 if (++this->undefined_symbols_[sym] >= max_undefined_error_report)
159 ++this->error_count_;
161 const char* const version = sym->version();
163 fprintf(stderr, _("%s: %s: undefined reference to '%s'\n"),
164 this->program_name_, relinfo->location(relnum, reloffset).c_str(),
165 sym->demangled_name().c_str());
167 fprintf(stderr, _("%s: %s: undefined reference to '%s', version '%s'\n"),
168 this->program_name_, relinfo->location(relnum, reloffset).c_str(),
169 sym->demangled_name().c_str(), version);
172 // Issue a debugging message.
175 Errors::debug(const char* format, ...)
177 fprintf(stderr, _("%s: "), this->program_name_);
180 va_start(args, format);
181 vfprintf(stderr, format, args);
187 // The functions which the rest of the code actually calls.
189 // Report a fatal error.
192 gold_fatal(const char* format, ...)
195 va_start(args, format);
196 parameters->errors()->fatal(format, args);
203 gold_error(const char* format, ...)
206 va_start(args, format);
207 parameters->errors()->error(format, args);
214 gold_warning(const char* format, ...)
217 va_start(args, format);
218 parameters->errors()->warning(format, args);
222 // Report an error at a location.
224 template<int size, bool big_endian>
226 gold_error_at_location(const Relocate_info<size, big_endian>* relinfo,
227 size_t relnum, off_t reloffset,
228 const char* format, ...)
231 va_start(args, format);
232 parameters->errors()->error_at_location(relinfo, relnum, reloffset,
237 // Report a warning at a location.
239 template<int size, bool big_endian>
241 gold_warning_at_location(const Relocate_info<size, big_endian>* relinfo,
242 size_t relnum, off_t reloffset,
243 const char* format, ...)
246 va_start(args, format);
247 parameters->errors()->warning_at_location(relinfo, relnum, reloffset,
252 // Report an undefined symbol.
254 template<int size, bool big_endian>
256 gold_undefined_symbol(const Symbol* sym,
257 const Relocate_info<size, big_endian>* relinfo,
258 size_t relnum, off_t reloffset)
260 parameters->errors()->undefined_symbol(sym, relinfo, relnum, reloffset);
263 #ifdef HAVE_TARGET_32_LITTLE
266 gold_error_at_location<32, false>(const Relocate_info<32, false>* relinfo,
267 size_t relnum, off_t reloffset,
268 const char* format, ...);
271 #ifdef HAVE_TARGET_32_BIG
274 gold_error_at_location<32, true>(const Relocate_info<32, true>* relinfo,
275 size_t relnum, off_t reloffset,
276 const char* format, ...);
279 #ifdef HAVE_TARGET_64_LITTLE
282 gold_error_at_location<64, false>(const Relocate_info<64, false>* relinfo,
283 size_t relnum, off_t reloffset,
284 const char* format, ...);
287 #ifdef HAVE_TARGET_64_BIG
290 gold_error_at_location<64, true>(const Relocate_info<64, true>* relinfo,
291 size_t relnum, off_t reloffset,
292 const char* format, ...);
295 #ifdef HAVE_TARGET_32_LITTLE
298 gold_warning_at_location<32, false>(const Relocate_info<32, false>* relinfo,
299 size_t relnum, off_t reloffset,
300 const char* format, ...);
303 #ifdef HAVE_TARGET_32_BIG
306 gold_warning_at_location<32, true>(const Relocate_info<32, true>* relinfo,
307 size_t relnum, off_t reloffset,
308 const char* format, ...);
311 #ifdef HAVE_TARGET_64_LITTLE
314 gold_warning_at_location<64, false>(const Relocate_info<64, false>* relinfo,
315 size_t relnum, off_t reloffset,
316 const char* format, ...);
319 #ifdef HAVE_TARGET_64_BIG
322 gold_warning_at_location<64, true>(const Relocate_info<64, true>* relinfo,
323 size_t relnum, off_t reloffset,
324 const char* format, ...);
327 #ifdef HAVE_TARGET_32_LITTLE
330 gold_undefined_symbol<32, false>(const Symbol* sym,
331 const Relocate_info<32, false>* relinfo,
332 size_t relnum, off_t reloffset);
335 #ifdef HAVE_TARGET_32_BIG
338 gold_undefined_symbol<32, true>(const Symbol* sym,
339 const Relocate_info<32, true>* relinfo,
340 size_t relnum, off_t reloffset);
343 #ifdef HAVE_TARGET_64_LITTLE
346 gold_undefined_symbol<64, false>(const Symbol* sym,
347 const Relocate_info<64, false>* relinfo,
348 size_t relnum, off_t reloffset);
351 #ifdef HAVE_TARGET_64_BIG
354 gold_undefined_symbol<64, true>(const Symbol* sym,
355 const Relocate_info<64, true>* relinfo,
356 size_t relnum, off_t reloffset);
359 } // End namespace gold.