// errors.cc -- handle errors for gold
-// Copyright 2006, 2007 Free Software Foundation, Inc.
+// Copyright (C) 2006-2020 Free Software Foundation, Inc.
// Written by Ian Lance Taylor <iant@google.com>.
// This file is part of gold.
const int Errors::max_undefined_error_report;
Errors::Errors(const char* program_name)
- : program_name_(program_name), lock_(), error_count_(0), warning_count_(0),
- undefined_symbols_()
+ : 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: ", this->program_name_);
+ fprintf(stderr, _("%s: fatal error: "), this->program_name_);
vfprintf(stderr, format, args);
fputc('\n', stderr);
- gold_exit(false);
+ gold_exit(GOLD_ERR);
+}
+
+// Report a fallback error.
+
+void
+Errors::fallback(const char* format, va_list args)
+{
+ fprintf(stderr, _("%s: fatal error: "), this->program_name_);
+ vfprintf(stderr, format, args);
+ fputc('\n', stderr);
+ gold_exit(GOLD_FALLBACK);
}
// Report an error.
void
Errors::error(const char* format, va_list args)
{
- fprintf(stderr, "%s: ", this->program_name_);
+ fprintf(stderr, _("%s: error: "), this->program_name_);
vfprintf(stderr, format, args);
fputc('\n', stderr);
- {
- Hold_lock h(this->lock_);
- ++this->error_count_;
- }
+
+ this->increment_counter(&this->error_count_);
}
// Report a warning.
fprintf(stderr, _("%s: warning: "), this->program_name_);
vfprintf(stderr, format, args);
fputc('\n', stderr);
- {
- Hold_lock h(this->lock_);
- ++this->warning_count_;
- }
+
+ 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.
size_t relnum, off_t reloffset,
const char* format, va_list args)
{
- fprintf(stderr, "%s: %s: ", this->program_name_,
+ fprintf(stderr, _("%s: error: "),
relinfo->location(relnum, reloffset).c_str());
vfprintf(stderr, format, args);
fputc('\n', stderr);
- {
- Hold_lock h(this->lock_);
- ++this->error_count_;
- }
+
+ this->increment_counter(&this->error_count_);
}
// Report a warning at a reloc location.
size_t relnum, off_t reloffset,
const char* format, va_list args)
{
- fprintf(stderr, _("%s: %s: warning: "), this->program_name_,
+ fprintf(stderr, _("%s: warning: "),
relinfo->location(relnum, reloffset).c_str());
vfprintf(stderr, format, args);
fputc('\n', stderr);
- {
- Hold_lock h(this->lock_);
- ++this->warning_count_;
- }
+
+ this->increment_counter(&this->warning_count_);
}
-// Issue an undefined symbol error.
+// Issue an undefined symbol error with a caller-supplied location string.
-template<int size, bool big_endian>
void
-Errors::undefined_symbol(const Symbol* sym,
- const Relocate_info<size, big_endian>* relinfo,
- size_t relnum, off_t reloffset)
+Errors::undefined_symbol(const Symbol* sym, const std::string& location)
{
+ bool initialized = this->initialize_lock();
+ gold_assert(initialized);
+
+ const char* zmsg;
{
- Hold_lock h(this->lock_);
+ Hold_lock h(*this->lock_);
if (++this->undefined_symbols_[sym] >= max_undefined_error_report)
return;
- ++this->error_count_;
+ if (parameters->options().warn_unresolved_symbols())
+ {
+ ++this->warning_count_;
+ zmsg = _("warning");
+ }
+ else
+ {
+ ++this->error_count_;
+ zmsg = _("error");
+ }
}
- fprintf(stderr, _("%s: %s: undefined reference to '%s'\n"),
- this->program_name_, relinfo->location(relnum, reloffset).c_str(),
- sym->name());
+
+ const char* const version = sym->version();
+ if (version == NULL)
+ fprintf(stderr, _("%s: %s: undefined reference to '%s'\n"),
+ location.c_str(), zmsg, sym->demangled_name().c_str());
+ else
+ fprintf(stderr,
+ _("%s: %s: undefined reference to '%s', version '%s'\n"),
+ location.c_str(), zmsg, sym->demangled_name().c_str(), version);
+
+ if (sym->is_cxx_vtable())
+ gold_info(_("%s: the vtable symbol may be undefined because "
+ "the class is missing its key function"),
+ program_name);
+ if (sym->is_placeholder())
+ gold_info(_("%s: the symbol should have been defined by a plugin"),
+ program_name);
}
+// 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.
va_end(args);
}
+// Report a fallback error.
+
+void
+gold_fallback(const char* format, ...)
+{
+ va_list args;
+ va_start(args, format);
+ parameters->errors()->fallback(format, args);
+ va_end(args);
+}
+
// Report an error.
void
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>
// 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(const Symbol* sym,
+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, relnum, reloffset);
+ parameters->errors()->undefined_symbol(sym,
+ relinfo->location(relnum, reloffset));
}
#ifdef HAVE_TARGET_32_LITTLE
#ifdef HAVE_TARGET_32_LITTLE
template
void
-gold_undefined_symbol<32, false>(const Symbol* sym,
- const Relocate_info<32, false>* relinfo,
- size_t relnum, off_t reloffset);
+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<32, true>(const Symbol* sym,
- const Relocate_info<32, true>* relinfo,
- size_t relnum, off_t reloffset);
+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<64, false>(const Symbol* sym,
- const Relocate_info<64, false>* relinfo,
- size_t relnum, off_t reloffset);
+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<64, true>(const Symbol* sym,
- const Relocate_info<64, true>* relinfo,
- size_t relnum, off_t reloffset);
+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.
projects / deliverable / binutils-gdb.git / blobdiff