// script.h -- handle linker scripts for gold -*- C++ -*-
-// Copyright (C) 2006-2014 Free Software Foundation, Inc.
+// Copyright (C) 2006-2019 Free Software Foundation, Inc.
// Written by Ian Lance Taylor <iant@google.com>.
// This file is part of gold.
#include <string>
#include <vector>
+#include "elfcpp.h"
#include "script-sections.h"
namespace gold
bool is_dot_available, uint64_t dot_value,
Output_section* dot_section,
Output_section** result_section, uint64_t* result_alignment,
- bool is_section_dot_assignment);
+ elfcpp::STT* type, elfcpp::STV* vis, unsigned char* nonvis,
+ bool is_section_dot_assignment, bool* is_valid_pointer);
// Print the expression to the FILE. This is for debugging.
virtual void
virtual uint64_t
value(const Expression_eval_info*) = 0;
+ // Sets all symbols used in expressions as seen in a real ELF object.
+ virtual void
+ set_expr_sym_in_real_elf(Symbol_table*) const
+ { return; }
+
private:
// May not be copied.
Expression(const Expression&);
Expression& operator=(const Expression&);
};
-
// Version_script_info stores information parsed from the version
// script, either provided by --version-script or as part of a linker
// script. A single Version_script_info object per target is owned by
void
finalize(Symbol_table*, const Layout*);
+ bool
+ is_defsym() const
+ { return is_defsym_; }
+
+ Expression *
+ value() const
+ { return val_; }
+
// Finalize the symbol value when it can refer to the dot symbol.
void
finalize_with_dot(Symbol_table*, const Layout*, uint64_t dot_value,
bool
define_symbol(const char* definition);
+ // Populates the set with symbol names used in LHS of defsym.
+ void
+ find_defsym_defs(Unordered_set<std::string>&);
+
+ // Set symbols used in defsym expressions as seen in a real ELF object.
+ void set_defsym_uses_in_real_elf(Symbol_table*) const;
+
// Create sections required by any linker scripts.
void
create_script_sections(Layout*);
// SECTIONS clause.
typedef std::vector<Symbol_assignment*> Symbol_assignments;
- // We keep a list of all assertions whcih occur outside of a
+ // We keep a list of all assertions which occur outside of a
// SECTIONS clause.
typedef std::vector<Script_assertion*> Assertions;