class Sized_target;
template<int size, bool big_endian>
class Sized_relobj;
+template<int size, bool big_endian>
+class Sized_relobj_file;
// An abtract class for data which has to go into the output file.
public:
Output_file_header(const Target*,
const Symbol_table*,
- const Output_segment_headers*,
- const char* entry);
+ const Output_segment_headers*);
// Add information about the section headers. We lay out the ELF
// file header before we create the section headers.
const Output_segment_headers* segment_header_;
const Output_section_headers* section_header_;
const Output_section* shstrtab_;
- const char* entry_;
};
// Output sections are mainly comprised of input sections. However,
Address
symbol_value(Addend addend) const;
+ // If this relocation is against an input section, return the
+ // relocatable object containing the input section.
+ Sized_relobj<size, big_endian>*
+ get_relobj() const
+ {
+ if (this->shndx_ == INVALID_CODE)
+ return NULL;
+ return this->u2_.relobj;
+ }
+
// Write the reloc entry to an output view.
void
write(unsigned char* pov) const;
is_symbolless() const
{ return this->rel_.is_symbolless(); }
+ // If this relocation is against an input section, return the
+ // relocatable object containing the input section.
+ Sized_relobj<size, big_endian>*
+ get_relobj() const
+ { return this->rel_.get_relobj(); }
+
// Write the reloc entry to an output view.
void
write(unsigned char* pov) const;
od->add_dynamic_reloc();
if (reloc.is_relative())
this->bump_relative_reloc_count();
+ Sized_relobj<size, big_endian>* relobj = reloc.get_relobj();
+ if (relobj != NULL)
+ relobj->add_dyn_reloc(this->relocs_.size() - 1);
}
private:
void
add_local_section(Sized_relobj<size, big_endian>* relobj,
- unsigned int input_shndx, unsigned int type,
- Output_data* od, unsigned int shndx, Address address,
- Addend addend)
+ unsigned int input_shndx, unsigned int type,
+ Output_data* od, unsigned int shndx, Address address,
+ Addend addend)
{
this->add(od, Output_reloc_type(relobj, input_shndx, type, shndx,
address, addend, false, false, true));
{
public:
// The constructor clears *INPUT_SHNDXES.
- Output_data_group(Sized_relobj<size, big_endian>* relobj,
+ Output_data_group(Sized_relobj_file<size, big_endian>* relobj,
section_size_type entry_count,
elfcpp::Elf_Word flags,
std::vector<unsigned int>* input_shndxes);
private:
// The input object.
- Sized_relobj<size, big_endian>* relobj_;
+ Sized_relobj_file<size, big_endian>* relobj_;
// The group flag word.
elfcpp::Elf_Word flags_;
// The section indexes of the input sections in this group.
// this is a new GOT entry, false if the symbol already has a GOT
// entry.
bool
- add_local(Sized_relobj<size, big_endian>* object, unsigned int sym_index,
+ add_local(Sized_relobj_file<size, big_endian>* object, unsigned int sym_index,
unsigned int got_type);
// Like add_local, but use the PLT offset of the local symbol if it
// has one.
bool
- add_local_plt(Sized_relobj<size, big_endian>* object, unsigned int sym_index,
+ add_local_plt(Sized_relobj_file<size, big_endian>* object,
+ unsigned int sym_index,
unsigned int got_type);
// Add an entry for a local symbol to the GOT, and add a dynamic
// relocation of type R_TYPE for the GOT entry.
void
- add_local_with_rel(Sized_relobj<size, big_endian>* object,
+ add_local_with_rel(Sized_relobj_file<size, big_endian>* object,
unsigned int sym_index, unsigned int got_type,
Rel_dyn* rel_dyn, unsigned int r_type);
void
- add_local_with_rela(Sized_relobj<size, big_endian>* object,
+ add_local_with_rela(Sized_relobj_file<size, big_endian>* object,
unsigned int sym_index, unsigned int got_type,
Rela_dyn* rela_dyn, unsigned int r_type);
// Add a pair of entries for a local symbol to the GOT, and add
// dynamic relocations of type R_TYPE_1 and R_TYPE_2, respectively.
void
- add_local_pair_with_rel(Sized_relobj<size, big_endian>* object,
+ add_local_pair_with_rel(Sized_relobj_file<size, big_endian>* object,
unsigned int sym_index, unsigned int shndx,
unsigned int got_type, Rel_dyn* rel_dyn,
unsigned int r_type_1, unsigned int r_type_2);
void
- add_local_pair_with_rela(Sized_relobj<size, big_endian>* object,
+ add_local_pair_with_rela(Sized_relobj_file<size, big_endian>* object,
unsigned int sym_index, unsigned int shndx,
unsigned int got_type, Rela_dyn* rela_dyn,
unsigned int r_type_1, unsigned int r_type_2);
return got_offset;
}
- // Reserve a slot in the GOT for a local symbol or the second slot of a pair.
+ // Reserve a slot in the GOT.
+ void
+ reserve_slot(unsigned int i)
+ { this->free_list_.remove(i * size / 8, (i + 1) * size / 8); }
+
+ // Reserve a slot in the GOT for a local symbol.
void
- reserve_slot(unsigned int i);
+ reserve_local(unsigned int i, Sized_relobj<size, big_endian>* object,
+ unsigned int sym_index, unsigned int got_type);
// Reserve a slot in the GOT for a global symbol.
void
- reserve_slot_for_global(unsigned int i, Symbol* gsym, unsigned int got_type);
+ reserve_global(unsigned int i, Symbol* gsym, unsigned int got_type);
protected:
// Write out the GOT table.
{ this->u_.gsym = gsym; }
// Create a local symbol entry.
- Got_entry(Sized_relobj<size, big_endian>* object,
+ Got_entry(Sized_relobj_file<size, big_endian>* object,
unsigned int local_sym_index, bool use_plt_offset)
: local_sym_index_(local_sym_index), use_plt_offset_(use_plt_offset)
{
union
{
// For a local symbol, the object.
- Sized_relobj<size, big_endian>* object;
+ Sized_relobj_file<size, big_endian>* object;
// For a global symbol, the symbol.
Symbol* gsym;
// For a constant, the constant.
// within the output section.
template<int size, bool big_endian>
off_t
- add_input_section(Layout* layout, Sized_relobj<size, big_endian>* object,
+ add_input_section(Layout* layout, Sized_relobj_file<size, big_endian>* object,
unsigned int shndx, const char* name,
const elfcpp::Shdr<size, big_endian>& shdr,
unsigned int reloc_shndx, bool have_sections_script);
void
reserve(uint64_t sh_offset, uint64_t sh_size);
+ // Allocate space from the free list for the section. Used for
+ // incremental update links.
+ off_t
+ allocate(off_t len, uint64_t addralign);
+
protected:
// Return the output section--i.e., the object itself.
Output_section*
// Try to open an existing file. Returns false if the file doesn't
// exist, has a size of 0 or can't be mmaped. This method is
- // thread-unsafe.
+ // thread-unsafe. If BASE_NAME is not NULL, use the contents of
+ // that file as the base for incremental linking.
bool
- open_for_modification();
+ open_base_file(const char* base_name, bool writable);
// Open the output file. FILE_SIZE is the final size of the file.
// If the file already exists, it is deleted/truncated. This method
// Map the file into memory.
bool
- map_no_anonymous();
+ map_no_anonymous(bool);
// Unmap the file from memory (and flush to disk buffers).
void
projects / deliverable / binutils-gdb.git / blobdiff