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 Dynobj : public Object
{
public:
+ // We keep a list of all the DT_NEEDED entries we find.
+ typedef std::vector<std::string> Needed;
+
Dynobj(const std::string& name, Input_file* input_file, off_t offset = 0);
// Return the name to use in a DT_NEEDED entry for this object.
const char*
- soname() const;
+ soname() const
+ { return this->soname_.c_str(); }
+
+ // Return the list of DT_NEEDED strings.
+ const Needed&
+ needed() const
+ { return this->needed_; }
+
+ // Return whether this dynamic object has any DT_NEEDED entries
+ // which were not seen during the link.
+ bool
+ has_unknown_needed_entries() const
+ {
+ gold_assert(this->unknown_needed_ != UNKNOWN_NEEDED_UNSET);
+ return this->unknown_needed_ == UNKNOWN_NEEDED_TRUE;
+ }
+
+ // Set whether this dynamic object has any DT_NEEDED entries which
+ // were not seen during the link.
+ void
+ set_has_unknown_needed_entries(bool set)
+ {
+ gold_assert(this->unknown_needed_ == UNKNOWN_NEEDED_UNSET);
+ this->unknown_needed_ = set ? UNKNOWN_NEEDED_TRUE : UNKNOWN_NEEDED_FALSE;
+ }
// Compute the ELF hash code for a string.
static uint32_t
set_soname_string(const char* s)
{ this->soname_.assign(s); }
+ // Add an entry to the list of DT_NEEDED strings.
+ void
+ add_needed(const char* s)
+ { this->needed_.push_back(std::string(s)); }
+
private:
// Compute the GNU hash code for a string.
static uint32_t
unsigned char** pphash,
unsigned int* phashlen);
+ // Values for the has_unknown_needed_entries_ field.
+ enum Unknown_needed
+ {
+ UNKNOWN_NEEDED_UNSET,
+ UNKNOWN_NEEDED_TRUE,
+ UNKNOWN_NEEDED_FALSE
+ };
+
// The DT_SONAME name, if any.
std::string soname_;
+ // The list of DT_NEEDED entries.
+ Needed needed_;
+ // Whether this dynamic object has any DT_NEEDED entries not seen
+ // during the link.
+ Unknown_needed unknown_needed_;
};
// A dynamic object, size and endian specific version.
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)
+ { return this->elf_file_.section_type(shndx); }
+
// Return the section link field.
unsigned int
do_section_link(unsigned int shndx)
{ return this->elf_file_.section_link(shndx); }
+ // Return the section link field.
+ unsigned int
+ 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); }
+
private:
// For convenience.
typedef Sized_dynobj<size, big_endian> This;
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);
- // Set the SONAME from the SHT_DYNAMIC section at DYNAMIC_SHNDX.
- // The STRTAB parameters may have the relevant string table.
+ // Read the dynamic tags.
void
- set_soname(const unsigned char* pshdrs, unsigned int dynamic_shndx,
- unsigned int strtab_shndx, const unsigned char* strtabu,
- off_t strtab_size);
+ read_dynamic(const unsigned char* pshdrs, unsigned int dynamic_shndx,
+ unsigned int strtab_shndx, const unsigned char* strtabu,
+ off_t strtab_size);
// Mapping from version number to version name.
typedef std::vector<const char*> Version_map;
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)
{ }
// 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.
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.
unsigned int* psize, unsigned int* pentries
ACCEPT_SIZE_ENDIAN) 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