Layout_task_runner(const General_options& options,
const Input_objects* input_objects,
Symbol_table* symtab,
+ Target* target,
Layout* layout)
: options_(options), input_objects_(input_objects), symtab_(symtab),
- layout_(layout)
+ target_(target), layout_(layout)
{ }
// Run the operation.
const General_options& options_;
const Input_objects* input_objects_;
Symbol_table* symtab_;
+ Target* target_;
Layout* layout_;
};
const char* name, const elfcpp::Shdr<size, big_endian>& shdr,
unsigned int reloc_shndx, unsigned int reloc_type, off_t* offset);
+ // Layout an input reloc section when doing a relocatable link. The
+ // section is RELOC_SHNDX in OBJECT, with data in SHDR.
+ // DATA_SECTION is the reloc section to which it refers. RR is the
+ // relocatable information.
+ template<int size, bool big_endian>
+ Output_section*
+ layout_reloc(Sized_relobj<size, big_endian>* object,
+ unsigned int reloc_shndx,
+ const elfcpp::Shdr<size, big_endian>& shdr,
+ Output_section* data_section,
+ Relocatable_relocs* rr);
+
+ // Layout a group section when doing a relocatable link.
+ template<int size, bool big_endian>
+ void
+ layout_group(Symbol_table* symtab,
+ Sized_relobj<size, big_endian>* object,
+ unsigned int group_shndx,
+ const char* group_section_name,
+ const char* signature,
+ const elfcpp::Shdr<size, big_endian>& shdr,
+ const elfcpp::Elf_Word* contents);
+
// Like layout, only for exception frame sections. OBJECT is an
// object file. SYMBOLS is the contents of the symbol table
// section, with size SYMBOLS_SIZE. SYMBOL_NAMES is the contents of
// Create dynamic sections if necessary.
void
- create_initial_dynamic_sections(const Input_objects*, Symbol_table*);
+ create_initial_dynamic_sections(Symbol_table*);
// Define __start and __stop symbols for output sections.
void
- define_section_symbols(Symbol_table*, const Target*);
+ define_section_symbols(Symbol_table*);
+
+ // Create sections for linker scripts.
+ void
+ create_script_sections()
+ { this->script_options_->create_script_sections(this); }
// Define symbols from any linker script.
void
- define_script_symbols(Symbol_table* symtab, const Target* target)
- { this->script_options_->add_symbols_to_table(symtab, target); }
+ define_script_symbols(Symbol_table* symtab)
+ { this->script_options_->add_symbols_to_table(symtab); }
+
+ // Define symbols for group signatures.
+ void
+ define_group_signatures(Symbol_table*);
// Return the Stringpool used for symbol names.
const Stringpool*
// Finalize the layout after all the input sections have been added.
off_t
- finalize(const Input_objects*, Symbol_table*, const Task*);
+ finalize(const Input_objects*, Symbol_table*, Target*, const Task*);
// Return whether any sections require postprocessing.
bool
find_output_segment(elfcpp::PT type, elfcpp::Elf_Word set,
elfcpp::Elf_Word clear) const;
+ // Return the number of segments we expect to produce.
+ size_t
+ expected_segment_count() const;
+
// Set a flag to indicate that an object file uses the static TLS model.
void
set_has_static_tls()
script_options() const
{ return this->script_options_; }
+ // Rewrite output file in binary format.
+ void
+ write_binary(Output_file* in) const;
+
// Dump statistical information to stderr.
void
print_stats() const;
- // The list of segments.
+ // A list of segments.
typedef std::vector<Output_segment*> Segment_list;
- // The list of sections not attached to a segment.
+ // A list of sections.
typedef std::vector<Output_section*> Section_list;
// either a section or a segment.
typedef std::vector<Output_data*> Data_list;
+ // Store the allocated sections into the section list. This is used
+ // by the linker script code.
+ void
+ get_allocated_sections(Section_list*) const;
+
+ // Make a section for a linker script to hold data.
+ Output_section*
+ make_output_section_for_script(const char* name);
+
+ // Make a segment. This is used by the linker script code.
+ Output_segment*
+ make_output_segment(elfcpp::Elf_Word type, elfcpp::Elf_Word flags);
+
+ // Return the number of segments.
+ size_t
+ segment_count() const
+ { return this->segment_list_.size(); }
+
+ // Map from section flags to segment flags.
+ static elfcpp::Elf_Word
+ section_flags_to_segment(elfcpp::Elf_Xword flags);
+
private:
Layout(const Layout&);
Layout& operator=(const Layout&);
static const Linkonce_mapping linkonce_mapping[];
static const int linkonce_mapping_count;
+ // During a relocatable link, a list of group sections and
+ // signatures.
+ struct Group_signature
+ {
+ // The group section.
+ Output_section* section;
+ // The signature.
+ const char* signature;
+
+ Group_signature()
+ : section(NULL), signature(NULL)
+ { }
+
+ Group_signature(Output_section* sectiona, const char* signaturea)
+ : section(sectiona), signature(signaturea)
+ { }
+ };
+ typedef std::vector<Group_signature> Group_signatures;
+
// Create a .note section for gold.
void
create_gold_note();
// Create the dynamic symbol table.
void
- create_dynamic_symtab(const Input_objects*, const Target*,
- Symbol_table*, Output_section** pdynstr,
+ create_dynamic_symtab(const Input_objects*, Symbol_table*,
+ Output_section** pdynstr,
unsigned int* plocal_dynamic_count,
std::vector<Symbol*>* pdynamic_symbols,
Versions* versions);
const Symbol_table*,
unsigned int local_symcount,
const std::vector<Symbol*>& dynamic_symbols,
- const Output_section* dynstr
- ACCEPT_SIZE_ENDIAN);
+ const Output_section* dynstr);
// Return whether to include this section in the link.
template<int size, bool big_endian>
get_output_section(const char* name, Stringpool::Key name_key,
elfcpp::Elf_Word type, elfcpp::Elf_Xword flags);
+ // Choose the output section for NAME in RELOBJ.
+ Output_section*
+ choose_output_section(const Relobj* relobj, const char* name,
+ elfcpp::Elf_Word type, elfcpp::Elf_Xword flags,
+ bool adjust_name);
+
// Create a new Output_section.
Output_section*
make_output_section(const char* name, elfcpp::Elf_Word type,
elfcpp::Elf_Xword flags);
+ // Attach a section to a segment.
+ void
+ attach_to_segment(Output_section*, elfcpp::Elf_Xword flags);
+
+ // Allocate a previously unallocated output section.
+ void
+ allocate_output_section(Output_section*, elfcpp::Elf_Xword flags);
+
// Set the final file offsets of all the segments.
off_t
set_segment_offsets(const Target*, Output_segment*, unsigned int* pshndx);
+ // Set the file offsets of the sections when doing a relocatable
+ // link.
+ off_t
+ set_relocatable_section_offsets(Output_data*, unsigned int* pshndx);
+
// Set the final file offsets of all the sections not associated
// with a segment. We set section offsets in three passes: the
// first handles all allocated sections, the second sections that
unsigned int
set_section_indexes(unsigned int pshndx);
+ // Set the section addresses when using a script.
+ Output_segment*
+ set_section_addresses_from_script(Symbol_table*);
+
// Return whether SEG1 comes before SEG2 in the output file.
static bool
segment_precedes(const Output_segment* seg1, const Output_segment* seg2);
- // Map from section flags to segment flags.
- static elfcpp::Elf_Word
- section_flags_to_segment(elfcpp::Elf_Xword flags);
-
// A mapping used for group signatures.
typedef Unordered_map<std::string, bool> Signatures;
Eh_frame* eh_frame_data_;
// The exception frame header output section if there is one.
Output_section* eh_frame_hdr_section_;
+ // A list of group sections and their signatures.
+ Group_signatures group_signatures_;
// The size of the output file.
off_t output_file_size_;
// Whether we have seen an object file marked to require an
class Close_task_runner : public Task_function_runner
{
public:
- Close_task_runner(Output_file* of)
- : of_(of)
+ Close_task_runner(const General_options* options, const Layout* layout,
+ Output_file* of)
+ : options_(options), layout_(layout), of_(of)
{ }
// Run the operation.
run(Workqueue*, const Task*);
private:
+ const General_options* options_;
+ const Layout* layout_;
Output_file* of_;
};
projects / deliverable / binutils-gdb.git / blobdiff