--- /dev/null
+// errors.cc -- handle errors for gold
+
+// Copyright 2006, 2007, 2008 Free Software Foundation, Inc.
+// Written by Ian Lance Taylor <iant@google.com>.
+
+// This file is part of gold.
+
+// This program is free software; you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation; either version 3 of the License, or
+// (at your option) any later version.
+
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU General Public License for more details.
+
+// You should have received a copy of the GNU General Public License
+// along with this program; if not, write to the Free Software
+// Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
+// MA 02110-1301, USA.
+
+#include "gold.h"
+
+#include <cstdarg>
+#include <cstdio>
+
+#include "gold-threads.h"
+#include "parameters.h"
+#include "object.h"
+#include "symtab.h"
+#include "errors.h"
+
+namespace gold
+{
+
+// Class Errors.
+
+const int Errors::max_undefined_error_report;
+
+Errors::Errors(const char* program_name)
+ : program_name_(program_name), lock_(NULL), initialize_lock_(&this->lock_),
+ error_count_(0), warning_count_(0), undefined_symbols_()
+{
+}
+
+// Initialize the lock_ field. If we have not yet processed the
+// parameters, then we can't initialize, since we don't yet know
+// whether we are using threads. That is OK, since if we haven't
+// processed the parameters, we haven't created any threads, and we
+// don't need a lock. Return true if the lock is now initialized.
+
+bool
+Errors::initialize_lock()
+{
+ return this->initialize_lock_.initialize();
+}
+
+// Increment a counter, holding the lock if available.
+
+void
+Errors::increment_counter(int *counter)
+{
+ if (!this->initialize_lock())
+ {
+ // The lock does not exist, which means that we don't need it.
+ ++*counter;
+ }
+ else
+ {
+ Hold_lock h(*this->lock_);
+ ++*counter;
+ }
+}
+
+// Report a fatal error.
+
+void
+Errors::fatal(const char* format, va_list args)
+{
+ fprintf(stderr, _("%s: fatal error: "), this->program_name_);
+ vfprintf(stderr, format, args);
+ fputc('\n', stderr);
+ gold_exit(false);
+}
+
+// Report an error.
+
+void
+Errors::error(const char* format, va_list args)
+{
+ fprintf(stderr, _("%s: error: "), this->program_name_);
+ vfprintf(stderr, format, args);
+ fputc('\n', stderr);
+
+ this->increment_counter(&this->error_count_);
+}
+
+// Report a warning.
+
+void
+Errors::warning(const char* format, va_list args)
+{
+ fprintf(stderr, _("%s: warning: "), this->program_name_);
+ vfprintf(stderr, format, args);
+ fputc('\n', stderr);
+
+ this->increment_counter(&this->warning_count_);
+}
+
+// Print an informational message.
+
+void
+Errors::info(const char* format, va_list args)
+{
+ vfprintf(stderr, format, args);
+ fputc('\n', stderr);
+}
+
+// Report an error at a reloc location.
+
+template<int size, bool big_endian>
+void
+Errors::error_at_location(const Relocate_info<size, big_endian>* relinfo,
+ size_t relnum, off_t reloffset,
+ const char* format, va_list args)
+{
+ fprintf(stderr, _("%s: %s: error: "), this->program_name_,
+ relinfo->location(relnum, reloffset).c_str());
+ vfprintf(stderr, format, args);
+ fputc('\n', stderr);
+
+ this->increment_counter(&this->error_count_);
+}
+
+// Report a warning at a reloc location.
+
+template<int size, bool big_endian>
+void
+Errors::warning_at_location(const Relocate_info<size, big_endian>* relinfo,
+ size_t relnum, off_t reloffset,
+ const char* format, va_list args)
+{
+ fprintf(stderr, _("%s: %s: warning: "), this->program_name_,
+ relinfo->location(relnum, reloffset).c_str());
+ vfprintf(stderr, format, args);
+ fputc('\n', stderr);
+
+ this->increment_counter(&this->warning_count_);
+}
+
+// Issue an undefined symbol error with a caller-supplied location string.
+
+void
+Errors::undefined_symbol(const Symbol* sym, const std::string& location)
+{
+ bool initialized = this->initialize_lock();
+ gold_assert(initialized);
+ {
+ Hold_lock h(*this->lock_);
+ if (++this->undefined_symbols_[sym] >= max_undefined_error_report)
+ return;
+ ++this->error_count_;
+ }
+ const char* const version = sym->version();
+ if (version == NULL)
+ fprintf(stderr, _("%s: %s: error: undefined reference to '%s'\n"),
+ this->program_name_, location.c_str(),
+ sym->demangled_name().c_str());
+ else
+ fprintf(stderr,
+ _("%s: %s: error: undefined reference to '%s', version '%s'\n"),
+ this->program_name_, location.c_str(),
+ sym->demangled_name().c_str(), version);
+}
+
+// Issue a debugging message.
+
+void
+Errors::debug(const char* format, ...)
+{
+ fprintf(stderr, _("%s: "), this->program_name_);
+
+ va_list args;
+ va_start(args, format);
+ vfprintf(stderr, format, args);
+ va_end(args);
+
+ fputc('\n', stderr);
+}
+
+// The functions which the rest of the code actually calls.
+
+// Report a fatal error.
+
+void
+gold_fatal(const char* format, ...)
+{
+ va_list args;
+ va_start(args, format);
+ parameters->errors()->fatal(format, args);
+ va_end(args);
+}
+
+// Report an error.
+
+void
+gold_error(const char* format, ...)
+{
+ va_list args;
+ va_start(args, format);
+ parameters->errors()->error(format, args);
+ va_end(args);
+}
+
+// Report a warning.
+
+void
+gold_warning(const char* format, ...)
+{
+ va_list args;
+ va_start(args, format);
+ parameters->errors()->warning(format, args);
+ va_end(args);
+}
+
+// Print an informational message.
+
+void
+gold_info(const char* format, ...)
+{
+ va_list args;
+ va_start(args, format);
+ parameters->errors()->info(format, args);
+ va_end(args);
+}
+
+// Report an error at a location.
+
+template<int size, bool big_endian>
+void
+gold_error_at_location(const Relocate_info<size, big_endian>* relinfo,
+ size_t relnum, off_t reloffset,
+ const char* format, ...)
+{
+ va_list args;
+ va_start(args, format);
+ parameters->errors()->error_at_location(relinfo, relnum, reloffset,
+ format, args);
+ va_end(args);
+}
+
+// Report a warning at a location.
+
+template<int size, bool big_endian>
+void
+gold_warning_at_location(const Relocate_info<size, big_endian>* relinfo,
+ size_t relnum, off_t reloffset,
+ const char* format, ...)
+{
+ va_list args;
+ va_start(args, format);
+ parameters->errors()->warning_at_location(relinfo, relnum, reloffset,
+ format, args);
+ va_end(args);
+}
+
+// Report an undefined symbol.
+
+void
+gold_undefined_symbol(const Symbol* sym)
+{
+ parameters->errors()->undefined_symbol(sym, sym->object()->name().c_str());
+}
+
+// Report an undefined symbol at a reloc location
+
+template<int size, bool big_endian>
+void
+gold_undefined_symbol_at_location(const Symbol* sym,
+ const Relocate_info<size, big_endian>* relinfo,
+ size_t relnum, off_t reloffset)
+{
+ parameters->errors()->undefined_symbol(sym,
+ relinfo->location(relnum, reloffset));
+}
+
+#ifdef HAVE_TARGET_32_LITTLE
+template
+void
+gold_error_at_location<32, false>(const Relocate_info<32, false>* relinfo,
+ size_t relnum, off_t reloffset,
+ const char* format, ...);
+#endif
+
+#ifdef HAVE_TARGET_32_BIG
+template
+void
+gold_error_at_location<32, true>(const Relocate_info<32, true>* relinfo,
+ size_t relnum, off_t reloffset,
+ const char* format, ...);
+#endif
+
+#ifdef HAVE_TARGET_64_LITTLE
+template
+void
+gold_error_at_location<64, false>(const Relocate_info<64, false>* relinfo,
+ size_t relnum, off_t reloffset,
+ const char* format, ...);
+#endif
+
+#ifdef HAVE_TARGET_64_BIG
+template
+void
+gold_error_at_location<64, true>(const Relocate_info<64, true>* relinfo,
+ size_t relnum, off_t reloffset,
+ const char* format, ...);
+#endif
+
+#ifdef HAVE_TARGET_32_LITTLE
+template
+void
+gold_warning_at_location<32, false>(const Relocate_info<32, false>* relinfo,
+ size_t relnum, off_t reloffset,
+ const char* format, ...);
+#endif
+
+#ifdef HAVE_TARGET_32_BIG
+template
+void
+gold_warning_at_location<32, true>(const Relocate_info<32, true>* relinfo,
+ size_t relnum, off_t reloffset,
+ const char* format, ...);
+#endif
+
+#ifdef HAVE_TARGET_64_LITTLE
+template
+void
+gold_warning_at_location<64, false>(const Relocate_info<64, false>* relinfo,
+ size_t relnum, off_t reloffset,
+ const char* format, ...);
+#endif
+
+#ifdef HAVE_TARGET_64_BIG
+template
+void
+gold_warning_at_location<64, true>(const Relocate_info<64, true>* relinfo,
+ size_t relnum, off_t reloffset,
+ const char* format, ...);
+#endif
+
+#ifdef HAVE_TARGET_32_LITTLE
+template
+void
+gold_undefined_symbol_at_location<32, false>(
+ const Symbol* sym,
+ const Relocate_info<32, false>* relinfo,
+ size_t relnum, off_t reloffset);
+#endif
+
+#ifdef HAVE_TARGET_32_BIG
+template
+void
+gold_undefined_symbol_at_location<32, true>(
+ const Symbol* sym,
+ const Relocate_info<32, true>* relinfo,
+ size_t relnum, off_t reloffset);
+#endif
+
+#ifdef HAVE_TARGET_64_LITTLE
+template
+void
+gold_undefined_symbol_at_location<64, false>(
+ const Symbol* sym,
+ const Relocate_info<64, false>* relinfo,
+ size_t relnum, off_t reloffset);
+#endif
+
+#ifdef HAVE_TARGET_64_BIG
+template
+void
+gold_undefined_symbol_at_location<64, true>(
+ const Symbol* sym,
+ const Relocate_info<64, true>* relinfo,
+ size_t relnum, off_t reloffset);
+#endif
+
+} // End namespace gold.