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: fatal error: "), this->program_name_);
84 vfprintf(stderr, format, args);
92 Errors::error(const char* format, va_list args)
94 fprintf(stderr, _("%s: error: "), 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 // Print an informational message.
116 Errors::info(const char* format, va_list args)
118 vfprintf(stderr, format, args);
122 // Report an error at a reloc location.
124 template<int size, bool big_endian>
126 Errors::error_at_location(const Relocate_info<size, big_endian>* relinfo,
127 size_t relnum, off_t reloffset,
128 const char* format, va_list args)
130 fprintf(stderr, _("%s: %s: error: "), this->program_name_,
131 relinfo->location(relnum, reloffset).c_str());
132 vfprintf(stderr, format, args);
135 this->increment_counter(&this->error_count_);
138 // Report a warning at a reloc location.
140 template<int size, bool big_endian>
142 Errors::warning_at_location(const Relocate_info<size, big_endian>* relinfo,
143 size_t relnum, off_t reloffset,
144 const char* format, va_list args)
146 fprintf(stderr, _("%s: %s: warning: "), this->program_name_,
147 relinfo->location(relnum, reloffset).c_str());
148 vfprintf(stderr, format, args);
151 this->increment_counter(&this->warning_count_);
154 // Issue an undefined symbol error with a caller-supplied location string.
157 Errors::undefined_symbol(const Symbol* sym, const std::string& location)
159 bool initialized = this->initialize_lock();
160 gold_assert(initialized);
162 Hold_lock h(*this->lock_);
163 if (++this->undefined_symbols_[sym] >= max_undefined_error_report)
165 ++this->error_count_;
167 const char* const version = sym->version();
169 fprintf(stderr, _("%s: %s: error: undefined reference to '%s'\n"),
170 this->program_name_, location.c_str(),
171 sym->demangled_name().c_str());
174 _("%s: %s: error: undefined reference to '%s', version '%s'\n"),
175 this->program_name_, location.c_str(),
176 sym->demangled_name().c_str(), version);
179 // Issue a debugging message.
182 Errors::debug(const char* format, ...)
184 fprintf(stderr, _("%s: "), this->program_name_);
187 va_start(args, format);
188 vfprintf(stderr, format, args);
194 // The functions which the rest of the code actually calls.
196 // Report a fatal error.
199 gold_fatal(const char* format, ...)
202 va_start(args, format);
203 parameters->errors()->fatal(format, args);
210 gold_error(const char* format, ...)
213 va_start(args, format);
214 parameters->errors()->error(format, args);
221 gold_warning(const char* format, ...)
224 va_start(args, format);
225 parameters->errors()->warning(format, args);
229 // Print an informational message.
232 gold_info(const char* format, ...)
235 va_start(args, format);
236 parameters->errors()->info(format, args);
240 // Report an error at a location.
242 template<int size, bool big_endian>
244 gold_error_at_location(const Relocate_info<size, big_endian>* relinfo,
245 size_t relnum, off_t reloffset,
246 const char* format, ...)
249 va_start(args, format);
250 parameters->errors()->error_at_location(relinfo, relnum, reloffset,
255 // Report a warning at a location.
257 template<int size, bool big_endian>
259 gold_warning_at_location(const Relocate_info<size, big_endian>* relinfo,
260 size_t relnum, off_t reloffset,
261 const char* format, ...)
264 va_start(args, format);
265 parameters->errors()->warning_at_location(relinfo, relnum, reloffset,
270 // Report an undefined symbol.
273 gold_undefined_symbol(const Symbol* sym)
275 parameters->errors()->undefined_symbol(sym, sym->object()->name().c_str());
278 // Report an undefined symbol at a reloc location
280 template<int size, bool big_endian>
282 gold_undefined_symbol_at_location(const Symbol* sym,
283 const Relocate_info<size, big_endian>* relinfo,
284 size_t relnum, off_t reloffset)
286 parameters->errors()->undefined_symbol(sym,
287 relinfo->location(relnum, reloffset));
290 #ifdef HAVE_TARGET_32_LITTLE
293 gold_error_at_location<32, false>(const Relocate_info<32, false>* relinfo,
294 size_t relnum, off_t reloffset,
295 const char* format, ...);
298 #ifdef HAVE_TARGET_32_BIG
301 gold_error_at_location<32, true>(const Relocate_info<32, true>* relinfo,
302 size_t relnum, off_t reloffset,
303 const char* format, ...);
306 #ifdef HAVE_TARGET_64_LITTLE
309 gold_error_at_location<64, false>(const Relocate_info<64, false>* relinfo,
310 size_t relnum, off_t reloffset,
311 const char* format, ...);
314 #ifdef HAVE_TARGET_64_BIG
317 gold_error_at_location<64, true>(const Relocate_info<64, true>* relinfo,
318 size_t relnum, off_t reloffset,
319 const char* format, ...);
322 #ifdef HAVE_TARGET_32_LITTLE
325 gold_warning_at_location<32, false>(const Relocate_info<32, false>* relinfo,
326 size_t relnum, off_t reloffset,
327 const char* format, ...);
330 #ifdef HAVE_TARGET_32_BIG
333 gold_warning_at_location<32, true>(const Relocate_info<32, true>* relinfo,
334 size_t relnum, off_t reloffset,
335 const char* format, ...);
338 #ifdef HAVE_TARGET_64_LITTLE
341 gold_warning_at_location<64, false>(const Relocate_info<64, false>* relinfo,
342 size_t relnum, off_t reloffset,
343 const char* format, ...);
346 #ifdef HAVE_TARGET_64_BIG
349 gold_warning_at_location<64, true>(const Relocate_info<64, true>* relinfo,
350 size_t relnum, off_t reloffset,
351 const char* format, ...);
354 #ifdef HAVE_TARGET_32_LITTLE
357 gold_undefined_symbol_at_location<32, false>(
359 const Relocate_info<32, false>* relinfo,
360 size_t relnum, off_t reloffset);
363 #ifdef HAVE_TARGET_32_BIG
366 gold_undefined_symbol_at_location<32, true>(
368 const Relocate_info<32, true>* relinfo,
369 size_t relnum, off_t reloffset);
372 #ifdef HAVE_TARGET_64_LITTLE
375 gold_undefined_symbol_at_location<64, false>(
377 const Relocate_info<64, false>* relinfo,
378 size_t relnum, off_t reloffset);
381 #ifdef HAVE_TARGET_64_BIG
384 gold_undefined_symbol_at_location<64, true>(
386 const Relocate_info<64, true>* relinfo,
387 size_t relnum, off_t reloffset);
390 } // End namespace gold.