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PR 10980

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* options.h (class General_options): Add --warn-unresolved-symbols
	and --error-unresolved-symbols.
	* errors.cc (Errors::undefined_symbol): Implement
	--warn-unresolved-symbols.
This commit is contained in:
Ian Lance Taylor 2010-01-07 18:31:30 +00:00
parent ffeef7dfa5
commit dc3f80feec
3 changed files with 32 additions and 6 deletions
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6
gold/ChangeLog
View File

@ -1,5 +1,11 @@
2010-01-07 Ian Lance Taylor <iant@google.com>
PR 10980
* options.h (class General_options): Add --warn-unresolved-symbols
and --error-unresolved-symbols.
* errors.cc (Errors::undefined_symbol): Implement
--warn-unresolved-symbols.
* options.h (class General_options): Add -z text and -z textoff.
* layout.cc (Layout::finish_dynamic_section): Implement -z text.

24
gold/errors.cc
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@ -1,6 +1,6 @@
// errors.cc -- handle errors for gold
// Copyright 2006, 2007, 2008 Free Software Foundation, Inc.
// Copyright 2006, 2007, 2008, 2009, 2010 Free Software Foundation, Inc.
// Written by Ian Lance Taylor <iant@google.com>.
// This file is part of gold.
@ -156,21 +156,33 @@ 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_);
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");
}
}
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(),
fprintf(stderr, _("%s: %s: %s: undefined reference to '%s'\n"),
this->program_name_, location.c_str(), zmsg,
sym->demangled_name().c_str());
else
fprintf(stderr,
_("%s: %s: error: undefined reference to '%s', version '%s'\n"),
this->program_name_, location.c_str(),
_("%s: %s: %s: undefined reference to '%s', version '%s'\n"),
this->program_name_, location.c_str(), zmsg,
sym->demangled_name().c_str(), version);
}

8
gold/options.h
View File

@ -972,6 +972,14 @@ class General_options
N_("Warn if text segment is not shareable"),
N_("Do not warn if text segment is not shareable (default)"));
DEFINE_bool(warn_unresolved_symbols, options::TWO_DASHES, '\0', false,
N_("Report unresolved symbols as warnings"),
NULL);
DEFINE_bool_alias(error_unresolved_symbols, warn_unresolved_symbols,
options::TWO_DASHES, '\0',
N_("Report unresolved symbols as errors"),
NULL, true);
DEFINE_bool(whole_archive, options::TWO_DASHES, '\0', false,
N_("Include all archive contents"),
N_("Include only needed archive contents"));