gold/errors.cc

   1 // errors.cc -- handle errors for gold
   2
   3 // Copyright 2006, 2007 Free Software Foundation, Inc.
   4 // Written by Ian Lance Taylor <iant@google.com>.
   5
   6 // This file is part of gold.
   7
   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.
  12
  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.
  17
  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.
  22
  23 #include "gold.h"
  24
  25 #include <cstdarg>
  26 #include <cstdio>
  27
  28 #include "gold-threads.h"
  29 #include "parameters.h"
  30 #include "object.h"
  31 #include "symtab.h"
  32 #include "errors.h"
  33
  34 namespace gold
  35 {
  36
  37 // Class Errors.
  38
  39 const int Errors::max_undefined_error_report;
  40
  41 Errors::Errors(const char* program_name)
  42   : program_name_(program_name), lock_(), error_count_(0), warning_count_(0),
  43     undefined_symbols_()
  44 {
  45 }
  46
  47 // Report a fatal error.
  48
  49 void
  50 Errors::fatal(const char* format, va_list args)
  51 {
  52   fprintf(stderr, "%s: ", this->program_name_);
  53   vfprintf(stderr, format, args);
  54   fputc('\n', stderr);
  55   gold_exit(false);
  56 }
  57
  58 // Report an error.
  59
  60 void
  61 Errors::error(const char* format, va_list args)
  62 {
  63   fprintf(stderr, "%s: ", this->program_name_);
  64   vfprintf(stderr, format, args);
  65   fputc('\n', stderr);
  66   {
  67     Hold_lock h(this->lock_);
  68     ++this->error_count_;
  69   }
  70 }
  71
  72 // Report a warning.
  73
  74 void
  75 Errors::warning(const char* format, va_list args)
  76 {
  77   fprintf(stderr, _("%s: warning: "), this->program_name_);
  78   vfprintf(stderr, format, args);
  79   fputc('\n', stderr);
  80   {
  81     Hold_lock h(this->lock_);
  82     ++this->warning_count_;
  83   }
  84 }
  85
  86 // Report an error at a reloc location.
  87
  88 template<int size, bool big_endian>
  89 void
  90 Errors::error_at_location(const Relocate_info<size, big_endian>* relinfo,
  91                           size_t relnum, off_t reloffset,
  92                           const char* format, va_list args)
  93 {
  94   fprintf(stderr, "%s: %s: ", this->program_name_,
  95           relinfo->location(relnum, reloffset).c_str());
  96   vfprintf(stderr, format, args);
  97   fputc('\n', stderr);
  98   {
  99     Hold_lock h(this->lock_);
 100     ++this->error_count_;
 101   }
 102 }
 103
 104 // Report a warning at a reloc location.
 105
 106 template<int size, bool big_endian>
 107 void
 108 Errors::warning_at_location(const Relocate_info<size, big_endian>* relinfo,
 109                             size_t relnum, off_t reloffset,
 110                             const char* format, va_list args)
 111 {
 112   fprintf(stderr, _("%s: %s: warning: "), this->program_name_,
 113           relinfo->location(relnum, reloffset).c_str());
 114   vfprintf(stderr, format, args);
 115   fputc('\n', stderr);
 116   {
 117     Hold_lock h(this->lock_);
 118     ++this->warning_count_;
 119   }
 120 }
 121
 122 // Issue an undefined symbol error.
 123
 124 template<int size, bool big_endian>
 125 void
 126 Errors::undefined_symbol(const Symbol* sym,
 127                          const Relocate_info<size, big_endian>* relinfo,
 128                          size_t relnum, off_t reloffset)
 129 {
 130   {
 131     Hold_lock h(this->lock_);
 132     if (++this->undefined_symbols_[sym] >= max_undefined_error_report)
 133       return;
 134     ++this->error_count_;
 135   }
 136   fprintf(stderr, _("%s: %s: undefined reference to '%s'\n"),
 137           this->program_name_, relinfo->location(relnum, reloffset).c_str(),
 138           sym->name());
 139 }
 140
 141
 142 // The functions which the rest of the code actually calls.
 143
 144 // Report a fatal error.
 145
 146 void
 147 gold_fatal(const char* format, ...)
 148 {
 149   va_list args;
 150   va_start(args, format);
 151   parameters->errors()->fatal(format, args);
 152   va_end(args);
 153 }
 154
 155 // Report an error.
 156
 157 void
 158 gold_error(const char* format, ...)
 159 {
 160   va_list args;
 161   va_start(args, format);
 162   parameters->errors()->error(format, args);
 163   va_end(args);
 164 }
 165
 166 // Report a warning.
 167
 168 void
 169 gold_warning(const char* format, ...)
 170 {
 171   va_list args;
 172   va_start(args, format);
 173   parameters->errors()->warning(format, args);
 174   va_end(args);
 175 }
 176
 177 // Report an error at a location.
 178
 179 template<int size, bool big_endian>
 180 void
 181 gold_error_at_location(const Relocate_info<size, big_endian>* relinfo,
 182                        size_t relnum, off_t reloffset,
 183                        const char* format, ...)
 184 {
 185   va_list args;
 186   va_start(args, format);
 187   parameters->errors()->error_at_location(relinfo, relnum, reloffset,
 188                                           format, args);
 189   va_end(args);
 190 }
 191
 192 // Report a warning at a location.
 193
 194 template<int size, bool big_endian>
 195 void
 196 gold_warning_at_location(const Relocate_info<size, big_endian>* relinfo,
 197                          size_t relnum, off_t reloffset,
 198                          const char* format, ...)
 199 {
 200   va_list args;
 201   va_start(args, format);
 202   parameters->errors()->warning_at_location(relinfo, relnum, reloffset,
 203                                             format, args);
 204   va_end(args);
 205 }
 206
 207 // Report an undefined symbol.
 208
 209 template<int size, bool big_endian>
 210 void
 211 gold_undefined_symbol(const Symbol* sym,
 212                       const Relocate_info<size, big_endian>* relinfo,
 213                       size_t relnum, off_t reloffset)
 214 {
 215   parameters->errors()->undefined_symbol(sym, relinfo, relnum, reloffset);
 216 }
 217
 218 #ifdef HAVE_TARGET_32_LITTLE
 219 template
 220 void
 221 gold_error_at_location<32, false>(const Relocate_info<32, false>* relinfo,
 222                                   size_t relnum, off_t reloffset,
 223                                   const char* format, ...);
 224 #endif
 225
 226 #ifdef HAVE_TARGET_32_BIG
 227 template
 228 void
 229 gold_error_at_location<32, true>(const Relocate_info<32, true>* relinfo,
 230                                  size_t relnum, off_t reloffset,
 231                                  const char* format, ...);
 232 #endif
 233
 234 #ifdef HAVE_TARGET_64_LITTLE
 235 template
 236 void
 237 gold_error_at_location<64, false>(const Relocate_info<64, false>* relinfo,
 238                                   size_t relnum, off_t reloffset,
 239                                   const char* format, ...);
 240 #endif
 241
 242 #ifdef HAVE_TARGET_64_BIG
 243 template
 244 void
 245 gold_error_at_location<64, true>(const Relocate_info<64, true>* relinfo,
 246                                  size_t relnum, off_t reloffset,
 247                                  const char* format, ...);
 248 #endif
 249
 250 #ifdef HAVE_TARGET_32_LITTLE
 251 template
 252 void
 253 gold_warning_at_location<32, false>(const Relocate_info<32, false>* relinfo,
 254                                     size_t relnum, off_t reloffset,
 255                                     const char* format, ...);
 256 #endif
 257
 258 #ifdef HAVE_TARGET_32_BIG
 259 template
 260 void
 261 gold_warning_at_location<32, true>(const Relocate_info<32, true>* relinfo,
 262                                    size_t relnum, off_t reloffset,
 263                                    const char* format, ...);
 264 #endif
 265
 266 #ifdef HAVE_TARGET_64_LITTLE
 267 template
 268 void
 269 gold_warning_at_location<64, false>(const Relocate_info<64, false>* relinfo,
 270                                     size_t relnum, off_t reloffset,
 271                                     const char* format, ...);
 272 #endif
 273
 274 #ifdef HAVE_TARGET_64_BIG
 275 template
 276 void
 277 gold_warning_at_location<64, true>(const Relocate_info<64, true>* relinfo,
 278                                    size_t relnum, off_t reloffset,
 279                                    const char* format, ...);
 280 #endif
 281
 282 #ifdef HAVE_TARGET_32_LITTLE
 283 template
 284 void
 285 gold_undefined_symbol<32, false>(const Symbol* sym,
 286                                  const Relocate_info<32, false>* relinfo,
 287                                  size_t relnum, off_t reloffset);
 288 #endif
 289
 290 #ifdef HAVE_TARGET_32_BIG
 291 template
 292 void
 293 gold_undefined_symbol<32, true>(const Symbol* sym,
 294                                 const Relocate_info<32, true>* relinfo,
 295                                 size_t relnum, off_t reloffset);
 296 #endif
 297
 298 #ifdef HAVE_TARGET_64_LITTLE
 299 template
 300 void
 301 gold_undefined_symbol<64, false>(const Symbol* sym,
 302                                  const Relocate_info<64, false>* relinfo,
 303                                  size_t relnum, off_t reloffset);
 304 #endif
 305
 306 #ifdef HAVE_TARGET_64_BIG
 307 template
 308 void
 309 gold_undefined_symbol<64, true>(const Symbol* sym,
 310                                 const Relocate_info<64, true>* relinfo,
 311                                 size_t relnum, off_t reloffset);
 312 #endif
 313
 314 } // End namespace gold.