1 // errors.cc -- handle errors for gold
3 // Copyright 2006, 2007 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 fprintf(stderr, _("%s: %s: undefined reference to '%s'\n"),
162 this->program_name_, relinfo->location(relnum, reloffset).c_str(),
163 sym->demangled_name().c_str());
166 // Issue a debugging message.
169 Errors::debug(const char* format, ...)
171 fprintf(stderr, _("%s: "), this->program_name_);
174 va_start(args, format);
175 vfprintf(stderr, format, args);
181 // The functions which the rest of the code actually calls.
183 // Report a fatal error.
186 gold_fatal(const char* format, ...)
189 va_start(args, format);
190 parameters->errors()->fatal(format, args);
197 gold_error(const char* format, ...)
200 va_start(args, format);
201 parameters->errors()->error(format, args);
208 gold_warning(const char* format, ...)
211 va_start(args, format);
212 parameters->errors()->warning(format, args);
216 // Report an error at a location.
218 template<int size, bool big_endian>
220 gold_error_at_location(const Relocate_info<size, big_endian>* relinfo,
221 size_t relnum, off_t reloffset,
222 const char* format, ...)
225 va_start(args, format);
226 parameters->errors()->error_at_location(relinfo, relnum, reloffset,
231 // Report a warning at a location.
233 template<int size, bool big_endian>
235 gold_warning_at_location(const Relocate_info<size, big_endian>* relinfo,
236 size_t relnum, off_t reloffset,
237 const char* format, ...)
240 va_start(args, format);
241 parameters->errors()->warning_at_location(relinfo, relnum, reloffset,
246 // Report an undefined symbol.
248 template<int size, bool big_endian>
250 gold_undefined_symbol(const Symbol* sym,
251 const Relocate_info<size, big_endian>* relinfo,
252 size_t relnum, off_t reloffset)
254 parameters->errors()->undefined_symbol(sym, relinfo, relnum, reloffset);
257 #ifdef HAVE_TARGET_32_LITTLE
260 gold_error_at_location<32, false>(const Relocate_info<32, false>* relinfo,
261 size_t relnum, off_t reloffset,
262 const char* format, ...);
265 #ifdef HAVE_TARGET_32_BIG
268 gold_error_at_location<32, true>(const Relocate_info<32, true>* relinfo,
269 size_t relnum, off_t reloffset,
270 const char* format, ...);
273 #ifdef HAVE_TARGET_64_LITTLE
276 gold_error_at_location<64, false>(const Relocate_info<64, false>* relinfo,
277 size_t relnum, off_t reloffset,
278 const char* format, ...);
281 #ifdef HAVE_TARGET_64_BIG
284 gold_error_at_location<64, true>(const Relocate_info<64, true>* relinfo,
285 size_t relnum, off_t reloffset,
286 const char* format, ...);
289 #ifdef HAVE_TARGET_32_LITTLE
292 gold_warning_at_location<32, false>(const Relocate_info<32, false>* relinfo,
293 size_t relnum, off_t reloffset,
294 const char* format, ...);
297 #ifdef HAVE_TARGET_32_BIG
300 gold_warning_at_location<32, true>(const Relocate_info<32, true>* relinfo,
301 size_t relnum, off_t reloffset,
302 const char* format, ...);
305 #ifdef HAVE_TARGET_64_LITTLE
308 gold_warning_at_location<64, false>(const Relocate_info<64, false>* relinfo,
309 size_t relnum, off_t reloffset,
310 const char* format, ...);
313 #ifdef HAVE_TARGET_64_BIG
316 gold_warning_at_location<64, true>(const Relocate_info<64, true>* relinfo,
317 size_t relnum, off_t reloffset,
318 const char* format, ...);
321 #ifdef HAVE_TARGET_32_LITTLE
324 gold_undefined_symbol<32, false>(const Symbol* sym,
325 const Relocate_info<32, false>* relinfo,
326 size_t relnum, off_t reloffset);
329 #ifdef HAVE_TARGET_32_BIG
332 gold_undefined_symbol<32, true>(const Symbol* sym,
333 const Relocate_info<32, true>* relinfo,
334 size_t relnum, off_t reloffset);
337 #ifdef HAVE_TARGET_64_LITTLE
340 gold_undefined_symbol<64, false>(const Symbol* sym,
341 const Relocate_info<64, false>* relinfo,
342 size_t relnum, off_t reloffset);
345 #ifdef HAVE_TARGET_64_BIG
348 gold_undefined_symbol<64, true>(const Symbol* sym,
349 const Relocate_info<64, true>* relinfo,
350 size_t relnum, off_t reloffset);
353 } // End namespace gold.