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// dynobj.cc -- dynamic object support for gold
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// dynobj.cc -- dynamic object support for gold
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// Copyright 2006, 2007, 2008, 2009, 2010 Free Software Foundation, Inc.
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// Copyright 2006, 2007, 2008, 2009, 2010, 2011 Free Software Foundation, Inc.
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// Written by Ian Lance Taylor <iant@google.com>.
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// Written by Ian Lance Taylor <iant@google.com>.
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// This file is part of gold.
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// This file is part of gold.
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// This program is free software; you can redistribute it and/or modify
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// This program is free software; you can redistribute it and/or modify
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const char* version = dynpool->add(sym->version(), false, &version_key);
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const char* version = dynpool->add(sym->version(), false, &version_key);
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if (!sym->is_from_dynobj() && !sym->is_copied_from_dynobj())
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if (!sym->is_from_dynobj() && !sym->is_copied_from_dynobj())
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{
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{
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if (parameters->options().shared())
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if (parameters->options().shared())
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this->add_def(sym, version, version_key);
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this->add_def(dynpool, sym, version, version_key);
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}
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}
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else
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else
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{
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{
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// This is a version reference.
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// This is a version reference.
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Dynobj* dynobj = this->get_dynobj_for_sym(symtab, sym);
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Dynobj* dynobj = this->get_dynobj_for_sym(symtab, sym);
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}
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}
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// We've found a symbol SYM defined in version VERSION.
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// We've found a symbol SYM defined in version VERSION.
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void
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void
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Versions::add_def(const Symbol* sym, const char* version,
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Versions::add_def(Stringpool* dynpool, const Symbol* sym, const char* version,
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Stringpool::Key version_key)
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Stringpool::Key version_key)
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{
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{
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Key k(version_key, 0);
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Key k(version_key, 0);
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Version_base* const vbnull = NULL;
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Version_base* const vbnull = NULL;
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std::pair<Version_table::iterator, bool> ins =
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std::pair<Version_table::iterator, bool> ins =
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{
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{
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// If we are creating a shared object, it is an error to
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// If we are creating a shared object, it is an error to
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// find a definition of a symbol with a version which is not
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// find a definition of a symbol with a version which is not
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// in the version script.
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// in the version script.
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if (parameters->options().shared())
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if (parameters->options().shared())
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{
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gold_error(_("symbol %s has undefined version %s"),
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gold_error(_("symbol %s has undefined version %s"),
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sym->demangled_name().c_str(), version);
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sym->demangled_name().c_str(), version);
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if (this->needs_base_version_)
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this->define_base_version(dynpool);
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}
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else
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else
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// We only insert a base version for shared library.
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// We only insert a base version for shared library.
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gold_assert(!this->needs_base_version_);
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gold_assert(!this->needs_base_version_);
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// When creating a regular executable, automatically define
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// When creating a regular executable, automatically define
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