// dynobj.h -- dynamic object support for gold -*- C++ -*-
-// Copyright 2006, 2007 Free Software Foundation, Inc.
+// Copyright 2006, 2007, 2008 Free Software Foundation, Inc.
// Written by Ian Lance Taylor <iant@google.com>.
// This file is part of gold.
namespace gold
{
-class General_options;
+class Version_script_info;
// A dynamic object (ET_DYN). This is an abstract base class itself.
// The implementations is the template class Sized_dynobj.
class Sized_dynobj : public Dynobj
{
public:
+ typedef typename Sized_relobj<size, big_endian>::Symbols Symbols;
+
Sized_dynobj(const std::string& name, Input_file* input_file, off_t offset,
const typename elfcpp::Ehdr<size, big_endian>&);
void
do_add_symbols(Symbol_table*, Read_symbols_data*);
+ // Get the size of a section.
+ uint64_t
+ do_section_size(unsigned int shndx)
+ { return this->elf_file_.section_size(shndx); }
+
// Get the name of a section.
std::string
do_section_name(unsigned int shndx)
do_section_flags(unsigned int shndx)
{ return this->elf_file_.section_flags(shndx); }
+ // Return section address.
+ uint64_t
+ do_section_address(unsigned int shndx)
+ { return this->elf_file_.section_addr(shndx); }
+
// Return section type.
unsigned int
do_section_type(unsigned int shndx)
do_section_info(unsigned int shndx)
{ return this->elf_file_.section_info(shndx); }
+ // Return the section alignment.
+ uint64_t
+ do_section_addralign(unsigned int shndx)
+ { return this->elf_file_.section_addralign(shndx); }
+
+ // Return the Xindex structure to use.
+ Xindex*
+ do_initialize_xindex();
+
+ // Get symbol counts.
+ void
+ do_get_global_symbol_counts(const Symbol_table*, size_t*, size_t*) const;
+
private:
// For convenience.
typedef Sized_dynobj<size, big_endian> This;
typedef elfcpp::Shdr<size, big_endian> Shdr;
typedef elfcpp::Dyn<size, big_endian> Dyn;
+ // Adjust a section index if necessary.
+ unsigned int
+ adjust_shndx(unsigned int shndx)
+ {
+ if (shndx >= elfcpp::SHN_LORESERVE)
+ shndx += this->elf_file_.large_shndx_offset();
+ return shndx;
+ }
+
// Find the dynamic symbol table and the version sections, given the
// section headers.
void
find_dynsym_sections(const unsigned char* pshdrs,
- unsigned int* pdynshm_shndx,
unsigned int* pversym_shndx,
unsigned int* pverdef_shndx,
unsigned int* pverneed_shndx,
void
read_dynsym_section(const unsigned char* pshdrs, unsigned int shndx,
elfcpp::SHT type, unsigned int link,
- File_view** view, off_t* view_size,
+ File_view** view, section_size_type* view_size,
unsigned int* view_info);
// Read the dynamic tags.
// General access to the ELF file.
elfcpp::Elf_file<size, big_endian, Object> elf_file_;
+ // The section index of the dynamic symbol table.
+ unsigned int dynsym_shndx_;
+ // The entries in the symbol table for the symbols. We only keep
+ // this if we need it to print symbol information.
+ Symbols* symbols_;
+ // Number of defined symbols.
+ size_t defined_count_;
};
// A base class for Verdef and Verneed_version which just handles the
class Verdef : public Version_base
{
public:
- Verdef(const char* name, bool is_base, bool is_weak, bool is_symbol_created)
- : name_(name), deps_(), is_base_(is_base), is_weak_(is_weak),
+ Verdef(const char* name, const std::vector<std::string>& deps,
+ bool is_base, bool is_weak, bool is_symbol_created)
+ : name_(name), deps_(deps), is_base_(is_base), is_weak_(is_weak),
is_symbol_created_(is_symbol_created)
{ }
// Write contents to buffer.
template<int size, bool big_endian>
unsigned char*
- write(const Stringpool*, bool is_last, unsigned char*
- ACCEPT_SIZE_ENDIAN) const;
+ write(const Stringpool*, bool is_last, unsigned char*) const;
private:
Verdef(const Verdef&);
// The type of the list of version dependencies. Each dependency
// should be canonicalized in the dynamic Stringpool.
- typedef std::vector<const char*> Deps;
+ typedef std::vector<std::string> Deps;
// The name of this version. This should be canonicalized in the
// dynamic Stringpool.
// Write contents to buffer.
template<int size, bool big_endian>
unsigned char*
- write(const Stringpool*, bool is_last, unsigned char*
- ACCEPT_SIZE_ENDIAN) const;
+ write(const Stringpool*, bool is_last, unsigned char*) const;
private:
Verneed(const Verneed&);
class Versions
{
public:
- Versions()
- : defs_(), needs_(), version_table_(), is_finalized_(false)
- { }
+ Versions(const Version_script_info&, Stringpool*);
~Versions();
// for the next dynamic symbol. We add new dynamic symbols to SYMS
// and return an updated DYNSYM_INDEX.
unsigned int
- finalize(const Target*, Symbol_table* symtab, unsigned int dynsym_index,
+ finalize(Symbol_table* symtab, unsigned int dynsym_index,
std::vector<Symbol*>* syms);
// Return whether there are any version definitions.
symbol_section_contents(const Symbol_table*, const Stringpool*,
unsigned int local_symcount,
const std::vector<Symbol*>& syms,
- unsigned char**, unsigned int*
- ACCEPT_SIZE_ENDIAN) const;
+ unsigned char**, unsigned int*) const;
// Build an allocated buffer holding the contents of the version
// definition section (.gnu.version_d).
template<int size, bool big_endian>
void
def_section_contents(const Stringpool*, unsigned char**,
- unsigned int* psize, unsigned int* pentries
- ACCEPT_SIZE_ENDIAN) const;
+ unsigned int* psize, unsigned int* pentries) const;
// Build an allocated buffer holding the contents of the version
// reference section (.gnu.version_r).
template<int size, bool big_endian>
void
need_section_contents(const Stringpool*, unsigned char**,
- unsigned int* psize, unsigned int* pentries
- ACCEPT_SIZE_ENDIAN) const;
+ unsigned int* psize, unsigned int* pentries) const;
+
+ const Version_script_info&
+ version_script() const
+ { return this->version_script_; }
private:
+ Versions(const Versions&);
+ Versions& operator=(const Versions&);
+
// The type of the list of version definitions.
typedef std::vector<Verdef*> Defs;
Version_table version_table_;
// Whether the version indexes have been set.
bool is_finalized_;
+ // Contents of --version-script, if passed, or NULL.
+ const Version_script_info& version_script_;
};
} // End namespace gold.
projects / binutils-gdb.git / blobdiff