name() const
{ return this->name_; }
+ // Return the (ANSI) demangled version of the name, if
+ // parameters.demangle() is true. Otherwise, return the name. This
+ // is intended to be used only for logging errors, so it's not
+ // super-efficient.
+ std::string
+ demangled_name() const;
+
// Return the symbol version. This will return NULL for an
// unversioned symbol.
const char*
{ return this->dynsym_index_ != 0; }
// Return whether this symbol has an entry in the GOT section.
+ // For a TLS symbol, this GOT entry will hold its tp-relative offset.
bool
has_got_offset() const
{ return this->has_got_offset_; }
this->got_offset_ = got_offset;
}
+ // Return whether this TLS symbol has an entry in the GOT section for
+ // its module index or, if NEED_PAIR is true, has a pair of entries
+ // for its module index and dtv-relative offset.
+ bool
+ has_tls_got_offset(bool need_pair) const
+ {
+ return (this->has_tls_mod_got_offset_
+ && (!need_pair || this->has_tls_pair_got_offset_));
+ }
+
+ // Return the offset into the GOT section for this symbol's TLS module
+ // index or, if NEED_PAIR is true, for the pair of entries for the
+ // module index and dtv-relative offset.
+ unsigned int
+ tls_got_offset(bool need_pair) const
+ {
+ gold_assert(this->has_tls_got_offset(need_pair));
+ return this->tls_mod_got_offset_;
+ }
+
+ // Set the GOT offset of this symbol.
+ void
+ set_tls_got_offset(unsigned int got_offset, bool have_pair)
+ {
+ this->has_tls_mod_got_offset_ = true;
+ this->has_tls_pair_got_offset_ = have_pair;
+ this->tls_mod_got_offset_ = got_offset;
+ }
+
// Return whether this symbol has an entry in the PLT section.
bool
has_plt_offset() const
set_is_copied_from_dynobj()
{ this->is_copied_from_dynobj_ = true; }
- // Mark this symbol as needing its value written to the GOT even when
- // the value is subject to dynamic relocation (e.g., when the target
- // uses a RELATIVE relocation for the GOT entry).
- void
- set_needs_value_in_got()
- { this->needs_value_in_got_ = true; }
-
- // Return whether this symbol needs its value written to the GOT even
- // when the value is subject to dynamic relocation.
- bool
- needs_value_in_got() const
- { return this->needs_value_in_got_; }
-
protected:
// Instances of this class should always be created at a specific
// size.
void
override_base_with_special(const Symbol* from);
+ // Allocate a common symbol by giving it a location in the output
+ // file.
+ void
+ allocate_base_common(Output_data*);
+
private:
Symbol(const Symbol&);
Symbol& operator=(const Symbol&);
// If this symbol has an entry in the GOT section (has_got_offset_
// is true), this is the offset from the start of the GOT section.
+ // For a TLS symbol, if has_tls_tpoff_got_offset_ is true, this
+ // serves as the GOT offset for the GOT entry that holds its
+ // TP-relative offset.
unsigned int got_offset_;
+ // If this is a TLS symbol and has an entry in the GOT section
+ // for a module index or a pair of entries (module index,
+ // dtv-relative offset), these are the offsets from the start
+ // of the GOT section.
+ unsigned int tls_mod_got_offset_;
+ unsigned int tls_pair_got_offset_;
+
// If this symbol has an entry in the PLT section (has_plt_offset_
// is true), then this is the offset from the start of the PLT
// section.
// True if we've seen this symbol in a dynamic object.
bool in_dyn_ : 1;
// True if the symbol has an entry in the GOT section.
+ // For a TLS symbol, this GOT entry will hold its tp-relative offset.
bool has_got_offset_ : 1;
+ // True if the symbol has an entry in the GOT section for its
+ // module index.
+ bool has_tls_mod_got_offset_ : 1;
+ // True if the symbol has a pair of entries in the GOT section for its
+ // module index and dtv-relative offset.
+ bool has_tls_pair_got_offset_ : 1;
// True if the symbol has an entry in the PLT section.
bool has_plt_offset_ : 1;
// True if this is a dynamic symbol which needs a special value in
// True if we are using a COPY reloc for this symbol, so that the
// real definition lives in a dynamic object.
bool is_copied_from_dynobj_ : 1;
- // True if the static value should be written to the GOT even
- // when the final value is subject to dynamic relocation.
- bool needs_value_in_got_ : 1;
};
// The parts of a symbol which are size specific. Using a template
set_value(Value_type value)
{ this->value_ = value; }
+ // Allocate a common symbol by giving it a location in the output
+ // file.
+ void
+ allocate_common(Output_data*, Value_type value);
+
private:
Sized_symbol(const Sized_symbol&);
Sized_symbol& operator=(const Sized_symbol&);
: warnings_()
{ }
- // Add a warning for symbol NAME in section SHNDX in object OBJ.
+ // Add a warning for symbol NAME in object OBJ. WARNING is the text
+ // of the warning.
void
add_warning(Symbol_table* symtab, const char* name, Object* obj,
- unsigned int shndx);
+ const std::string& warning);
// For each symbol for which we should give a warning, make a note
// on the symbol.
{
// The object the warning is in.
Object* object;
- // The index of the warning section.
- unsigned int shndx;
- // The warning text if we have already loaded it.
+ // The warning text.
std::string text;
Warning_location()
- : object(NULL), shndx(0), text()
+ : object(NULL), text()
{ }
void
- set(Object* o, unsigned int s)
+ set(Object* o, const std::string& t)
{
this->object = o;
- this->shndx = s;
+ this->text = t;
}
-
- void
- set_text(const char* t, off_t l)
- { this->text.assign(t, l); }
};
// A mapping from warning symbol names (canonicalized in
class Symbol_table
{
public:
- Symbol_table();
+ // COUNT is an estimate of how many symbosl will be inserted in the
+ // symbol table. It's ok to put 0 if you don't know; a correct
+ // guess will just save some CPU by reducing hashtable resizes.
+ Symbol_table(unsigned int count);
~Symbol_table();
template<int size>
void
define_with_copy_reloc(const Target*, Sized_symbol<size>* sym,
- Output_data* posd, uint64_t value);
+ Output_data* posd,
+ typename elfcpp::Elf_types<size>::Elf_Addr);
// Look up a symbol.
Symbol*
void
allocate_commons(const General_options&, Layout*);
- // Add a warning for symbol NAME in section SHNDX in object OBJ.
+ // Add a warning for symbol NAME in object OBJ. WARNING is the text
+ // of the warning.
void
- add_warning(const char* name, Object* obj, unsigned int shndx)
- { this->warnings_.add_warning(this, name, obj, shndx); }
+ add_warning(const char* name, Object* obj, const std::string& warning)
+ { this->warnings_.add_warning(this, name, obj, warning); }
// Canonicalize a symbol name for use in the hash table.
const char*
// Check candidate_odr_violations_ to find symbols with the same name
// but apparently different definitions (different source-file/line-no).
void
- detect_odr_violations(const char* output_file_name) const;
+ detect_odr_violations(const Task*, const char* output_file_name) const;
// SYM is defined using a COPY reloc. Return the dynamic object
// where the original definition was found.
void
write_section_symbol(const Output_section*, Output_file*, off_t) const;
+ // Dump statistical information to stderr.
+ void
+ print_stats() const;
+
private:
Symbol_table(const Symbol_table&);
Symbol_table& operator=(const Symbol_table&);
projects / deliverable / binutils-gdb.git / blobdiff