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// symtab.h -- the gold symbol table -*- C++ -*-
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// symtab.h -- the gold symbol table -*- C++ -*-
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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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// Set that this version is the default for this symbol name.
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// Set that this version is the default for this symbol name.
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void
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void
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set_is_default()
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set_is_default()
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{ this->is_def_ = true; }
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{ this->is_def_ = true; }
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// Return the symbol's name as name@version (or name@@version).
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std::string
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versioned_name() const;
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// Return the symbol source.
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// Return the symbol source.
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Source
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Source
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source() const
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source() const
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{ return this->source_; }
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{ return this->source_; }
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// Return whether this symbol can be seen outside this object.
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// Return whether this symbol can be seen outside this object.
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bool
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bool
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is_externally_visible() const
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is_externally_visible() const
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{
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{
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return (this->visibility_ == elfcpp::STV_DEFAULT
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return ((this->visibility_ == elfcpp::STV_DEFAULT
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|| this->visibility_ == elfcpp::STV_PROTECTED);
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|| this->visibility_ == elfcpp::STV_PROTECTED)
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&& !this->is_forced_local_);
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}
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}
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// Return true if this symbol can be preempted by a definition in
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// Return true if this symbol can be preempted by a definition in
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// another link unit.
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// another link unit.
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bool
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bool
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wrap_symbol(const char* name, Stringpool::Key* name_key);
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wrap_symbol(const char* name, Stringpool::Key* name_key);
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// Whether we should override a symbol, based on flags in
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// Whether we should override a symbol, based on flags in
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// resolve.cc.
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// resolve.cc.
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static bool
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static bool
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should_override(const Symbol*, unsigned int, Defined, Object*, bool*, bool*);
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should_override(const Symbol*, unsigned int, elfcpp::STT, Defined,
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Object*, bool*, bool*);
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// Report a problem in symbol resolution.
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// Report a problem in symbol resolution.
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static void
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static void
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report_resolve_problem(bool is_error, const char* msg, const Symbol* to,
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report_resolve_problem(bool is_error, const char* msg, const Symbol* to,
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Defined, Object* object);
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Defined, Object* object);
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Object* object, const char* version);
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Object* object, const char* version);
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// Whether we should override a symbol with a special symbol which
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// Whether we should override a symbol with a special symbol which
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// is automatically defined by the linker.
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// is automatically defined by the linker.
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static bool
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static bool
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should_override_with_special(const Symbol*, Defined);
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should_override_with_special(const Symbol*, elfcpp::STT, Defined);
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// Override a symbol with a special symbol.
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// Override a symbol with a special symbol.
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template<int size>
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template<int size>
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void
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void
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override_with_special(Sized_symbol<size>* tosym,
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override_with_special(Sized_symbol<size>* tosym,
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