class Dynobj : public Object
{
public:
- Dynobj(const std::string& name, Input_file* input_file, off_t offset = 0)
- : Object(name, input_file, true, offset), soname_()
- { }
+ // 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
// number of local dynamic symbols, which is the index of the first
// dynamic gobal symbol.
static void
- create_elf_hash_table(const Target*, const std::vector<Symbol*>& dynsyms,
+ create_elf_hash_table(const std::vector<Symbol*>& dynsyms,
unsigned int local_dynsym_count,
unsigned char** pphash,
unsigned int* phashlen);
// of local dynamic symbols, which is the index of the first dynamic
// gobal symbol.
static void
- create_gnu_hash_table(const Target*, const std::vector<Symbol*>& dynsyms,
+ create_gnu_hash_table(const std::vector<Symbol*>& dynsyms,
unsigned int local_dynsym_count,
unsigned char** pphash, unsigned int* phashlen);
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.
do_section_flags(unsigned int shndx)
{ return this->elf_file_.section_flags(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); }
+
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;
// SYM is going into the dynamic symbol table and has a version.
// Record the appropriate version information.
void
- record_version(const General_options*, Stringpool*, const Symbol* sym);
+ record_version(const Symbol_table* symtab, Stringpool*, const Symbol* sym);
// Set the version indexes. DYNSYM_INDEX is the index we should use
// for the next dynamic symbol. We add new dynamic symbols to SYMS
// version section (.gnu.version).
template<int size, bool big_endian>
void
- symbol_section_contents(const Stringpool*, unsigned int local_symcount,
+ 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;
// Handle a symbol SYM defined with version VERSION.
void
- add_def(const General_options*, const Symbol* sym, const char* version,
- Stringpool::Key);
+ add_def(const Symbol* sym, const char* version, Stringpool::Key);
// Add a reference to version NAME in file FILENAME.
void
add_need(Stringpool*, const char* filename, const char* name,
Stringpool::Key);
+ // Get the dynamic object to use for SYM.
+ Dynobj*
+ get_dynobj_for_sym(const Symbol_table*, const Symbol* sym) const;
+
// Return the version index to use for SYM.
unsigned int
- version_index(const Stringpool*, const Symbol* sym) const;
+ version_index(const Symbol_table*, const Stringpool*,
+ const Symbol* sym) const;
// We keep a hash table mapping canonicalized name/version pairs to
// a version base.
projects / binutils-gdb.git / blobdiff