1 // errors.cc -- handle errors for gold
3 // Copyright 2006, 2007, 2008, 2009, 2010, 2011 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), 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.
54 Errors::initialize_lock()
56 return this->initialize_lock_.initialize();
59 // Increment a counter, holding the lock if available.
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.
71 Hold_lock h(*this->lock_);
76 // Report a fatal error.
79 Errors::fatal(const char* format, va_list args)
81 fprintf(stderr, _("%s: fatal error: "), this->program_name_);
82 vfprintf(stderr, format, args);
90 Errors::error(const char* format, va_list args)
92 fprintf(stderr, _("%s: error: "), this->program_name_);
93 vfprintf(stderr, format, args);
96 this->increment_counter(&this->error_count_);
102 Errors::warning(const char* format, va_list args)
104 fprintf(stderr, _("%s: warning: "), this->program_name_);
105 vfprintf(stderr, format, args);
108 this->increment_counter(&this->warning_count_);
111 // Print an informational message.
114 Errors::info(const char* format, va_list args)
116 vfprintf(stderr, format, args);
120 // Report an error at a reloc location.
122 template<int size, bool big_endian>
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: error: "),
129 relinfo->location(relnum, reloffset).c_str());
130 vfprintf(stderr, format, args);
133 this->increment_counter(&this->error_count_);
136 // Report a warning at a reloc location.
138 template<int size, bool big_endian>
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: warning: "),
145 relinfo->location(relnum, reloffset).c_str());
146 vfprintf(stderr, format, args);
149 this->increment_counter(&this->warning_count_);
152 // Issue an undefined symbol error with a caller-supplied location string.
155 Errors::undefined_symbol(const Symbol* sym, const std::string& location)
157 bool initialized = this->initialize_lock();
158 gold_assert(initialized);
162 Hold_lock h(*this->lock_);
163 if (++this->undefined_symbols_[sym] >= max_undefined_error_report)
165 if (parameters->options().warn_unresolved_symbols())
167 ++this->warning_count_;
172 ++this->error_count_;
177 const char* const version = sym->version();
179 fprintf(stderr, _("%s: %s: undefined reference to '%s'\n"),
180 location.c_str(), zmsg, sym->demangled_name().c_str());
183 _("%s: %s: undefined reference to '%s', version '%s'\n"),
184 location.c_str(), zmsg, sym->demangled_name().c_str(), version);
187 // Issue a debugging message.
190 Errors::debug(const char* format, ...)
192 fprintf(stderr, _("%s: "), this->program_name_);
195 va_start(args, format);
196 vfprintf(stderr, format, args);
202 // The functions which the rest of the code actually calls.
204 // Report a fatal error.
207 gold_fatal(const char* format, ...)
210 va_start(args, format);
211 parameters->errors()->fatal(format, args);
218 gold_error(const char* format, ...)
221 va_start(args, format);
222 parameters->errors()->error(format, args);
229 gold_warning(const char* format, ...)
232 va_start(args, format);
233 parameters->errors()->warning(format, args);
237 // Print an informational message.
240 gold_info(const char* format, ...)
243 va_start(args, format);
244 parameters->errors()->info(format, args);
248 // Report an error at a location.
250 template<int size, bool big_endian>
252 gold_error_at_location(const Relocate_info<size, big_endian>* relinfo,
253 size_t relnum, off_t reloffset,
254 const char* format, ...)
257 va_start(args, format);
258 parameters->errors()->error_at_location(relinfo, relnum, reloffset,
263 // Report a warning at a location.
265 template<int size, bool big_endian>
267 gold_warning_at_location(const Relocate_info<size, big_endian>* relinfo,
268 size_t relnum, off_t reloffset,
269 const char* format, ...)
272 va_start(args, format);
273 parameters->errors()->warning_at_location(relinfo, relnum, reloffset,
278 // Report an undefined symbol.
281 gold_undefined_symbol(const Symbol* sym)
283 parameters->errors()->undefined_symbol(sym, sym->object()->name().c_str());
286 // Report an undefined symbol at a reloc location
288 template<int size, bool big_endian>
290 gold_undefined_symbol_at_location(const Symbol* sym,
291 const Relocate_info<size, big_endian>* relinfo,
292 size_t relnum, off_t reloffset)
294 parameters->errors()->undefined_symbol(sym,
295 relinfo->location(relnum, reloffset));
298 #ifdef HAVE_TARGET_32_LITTLE
301 gold_error_at_location<32, false>(const Relocate_info<32, false>* relinfo,
302 size_t relnum, off_t reloffset,
303 const char* format, ...);
306 #ifdef HAVE_TARGET_32_BIG
309 gold_error_at_location<32, true>(const Relocate_info<32, true>* relinfo,
310 size_t relnum, off_t reloffset,
311 const char* format, ...);
314 #ifdef HAVE_TARGET_64_LITTLE
317 gold_error_at_location<64, false>(const Relocate_info<64, false>* relinfo,
318 size_t relnum, off_t reloffset,
319 const char* format, ...);
322 #ifdef HAVE_TARGET_64_BIG
325 gold_error_at_location<64, true>(const Relocate_info<64, true>* relinfo,
326 size_t relnum, off_t reloffset,
327 const char* format, ...);
330 #ifdef HAVE_TARGET_32_LITTLE
333 gold_warning_at_location<32, false>(const Relocate_info<32, false>* relinfo,
334 size_t relnum, off_t reloffset,
335 const char* format, ...);
338 #ifdef HAVE_TARGET_32_BIG
341 gold_warning_at_location<32, true>(const Relocate_info<32, true>* relinfo,
342 size_t relnum, off_t reloffset,
343 const char* format, ...);
346 #ifdef HAVE_TARGET_64_LITTLE
349 gold_warning_at_location<64, false>(const Relocate_info<64, false>* relinfo,
350 size_t relnum, off_t reloffset,
351 const char* format, ...);
354 #ifdef HAVE_TARGET_64_BIG
357 gold_warning_at_location<64, true>(const Relocate_info<64, true>* relinfo,
358 size_t relnum, off_t reloffset,
359 const char* format, ...);
362 #ifdef HAVE_TARGET_32_LITTLE
365 gold_undefined_symbol_at_location<32, false>(
367 const Relocate_info<32, false>* relinfo,
368 size_t relnum, off_t reloffset);
371 #ifdef HAVE_TARGET_32_BIG
374 gold_undefined_symbol_at_location<32, true>(
376 const Relocate_info<32, true>* relinfo,
377 size_t relnum, off_t reloffset);
380 #ifdef HAVE_TARGET_64_LITTLE
383 gold_undefined_symbol_at_location<64, false>(
385 const Relocate_info<64, false>* relinfo,
386 size_t relnum, off_t reloffset);
389 #ifdef HAVE_TARGET_64_BIG
392 gold_undefined_symbol_at_location<64, true>(
394 const Relocate_info<64, true>* relinfo,
395 size_t relnum, off_t reloffset);
398 } // End namespace gold.