// symtab.h -- the gold symbol table -*- C++ -*-
-// Copyright (C) 2006-2015 Free Software Foundation, Inc.
+// Copyright (C) 2006-2016 Free Software Foundation, Inc.
// Written by Ian Lance Taylor <iant@google.com>.
// This file is part of gold.
set_is_default()
{ this->is_def_ = true; }
+ // Set that this version is not the default for this symbol name.
+ void
+ set_is_not_default()
+ { this->is_def_ = false; }
+
// Return the symbol's name as name@version (or name@@version).
std::string
versioned_name() const;
is_cxx_vtable() const
{ return is_prefix_of("_ZTV", this->name_); }
+ // Return true if this symbol is protected in a shared object.
+ // This is not the same as checking if visibility() == elfcpp::STV_PROTECTED,
+ // because the visibility_ field reflects the symbol's visibility from
+ // outside the shared object.
+ bool
+ is_protected() const
+ { return this->is_protected_; }
+
+ // Mark this symbol as protected in a shared object.
+ void
+ set_is_protected()
+ { this->is_protected_ = true; }
+
protected:
// Instances of this class should always be created at a specific
// size.
bool undef_binding_weak_ : 1;
// True if this symbol is a predefined linker symbol (bit 34).
bool is_predefined_ : 1;
+ // True if this symbol has protected visibility in a shared object (bit 35).
+ // The visibility_ field will be STV_DEFAULT in this case because we
+ // must treat it as such from outside the shared object.
+ bool is_protected_ : 1;
};
// The parts of a symbol which are size specific. Using a template
// Initialize fields for an undefined symbol.
void
- init_undefined(const char* name, const char* version, elfcpp::STT,
- elfcpp::STB, elfcpp::STV, unsigned char nonvis);
+ init_undefined(const char* name, const char* version, Value_type value,
+ elfcpp::STT, elfcpp::STB, elfcpp::STV, unsigned char nonvis);
// Override existing symbol.
template<bool big_endian>
define_symbols(const Layout*, int count, const Define_symbol_in_segment*,
bool only_if_ref);
+ // Add a target-specific global symbol.
+ // (Used by SPARC backend to add STT_SPARC_REGISTER symbols.)
+ void
+ add_target_global_symbol(Symbol* sym)
+ { this->target_symbols_.push_back(sym); }
+
// Define SYM using a COPY reloc. POSD is the Output_data where the
// symbol should be defined--typically a .dyn.bss section. VALUE is
// the offset within POSD.
const elfcpp::Sym<size, big_endian>& sym,
unsigned int st_shndx, bool is_ordinary,
unsigned int orig_st_shndx,
- Object*, const char* version);
+ Object*, const char* version,
+ bool is_default_version);
template<int size, bool big_endian>
void
// resolve.cc.
static bool
should_override(const Symbol*, unsigned int, elfcpp::STT, Defined,
- Object*, bool*, bool*);
+ Object*, bool*, bool*, bool);
// Report a problem in symbol resolution.
static void
const Version_script_info& version_script_;
Garbage_collection* gc_;
Icf* icf_;
+ // Target-specific symbols, if any.
+ std::vector<Symbol*> target_symbols_;
};
// We inline get_sized_symbol for efficiency.