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authorCary Coutant <ccoutant@google.com>2011-05-24 21:41:10 +0000
committerCary Coutant <ccoutant@google.com>2011-05-24 21:41:10 +0000
commit6fa2a40bf45fcc738eb580a6b644ac74b42c2d6a (patch)
tree41ae0a8dbe33a58e626c8fbcaa13f0b435b193bf /gold/output.h
parent2e21250dbcb81b1909ba3fbda8931a47c7215beb (diff)
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* incremental-dump.cc (dump_incremental_inputs): Print dynamic reloc
info; adjust display of GOT entries. * incremental.cc (Sized_incremental_binary::setup_readers): Allocate vector of input objects; remove file_status_. (Sized_incremental_binary::do_reserve_layout): Remove file_status_. (Sized_incremental_binary::do_process_got_plt): Adjust calls to got_plt reader; call target hooks to reserve GOT entries. (Output_section_incremental_inputs::set_final_data_size): Adjust size of input file info header and GOT info entry. (Output_section_incremental_inputs::write_info_blocks): Write dynamic relocation info. (Got_plt_view_info::got_descriptor): Remove. (Got_plt_view_info::sym_index): New data member. (Got_plt_view_info::input_index): New data member. (Local_got_offset_visitor::visit): Write input file index. (Global_got_offset_visitor::visit): Write 0 for input file index. (Global_symbol_visitor_got_plt::operator()): Replace got_descriptor with sym_index and input_index. (Output_section_incremental_inputs::write_got_plt): Adjust size of incremental info GOT entry; replace got_descriptor with input_index. (Sized_relobj_incr::Sized_relobj_incr): Adjust initializers; record map from input file index to object. (Sized_relobj_incr::do_layout): Replace direct data member reference with accessor function. (Sized_relobj_incr::do_for_all_local_got_entries): Move to base class. * incremental.h (Incremental_input_entry_reader::get_symbol_offset): Adjust size of input file info header. (Incremental_input_entry_reader::get_first_dyn_reloc): New function. (Incremental_input_entry_reader::get_dyn_reloc_count): New function. (Incremental_input_entry_reader::get_input_section): Adjust size of input file info header. (Incremental_got_plt_reader::Incremental_got_plt_reader): Adjust size of incremental info GOT entry. (Incremental_got_plt_reader::get_got_desc): Remove. (Incremental_got_plt_reader::get_got_symndx): New function. (Incremental_got_plt_reader::get_got_input_index): New function. (Sized_incremental_binary::Sized_incremental_binary): Remove file_status_; add input_objects_. (Sized_incremental_binary::~Sized_incremental_binary): Remove. (Sized_incremental_binary::set_file_is_unchanged): Remove. (Sized_incremental_binary::file_is_unchanged): Remove. (Sized_incremental_binary::set_input_object): New function. (Sized_incremental_binary::input_object): New function. (Sized_incremental_binary::file_status_): Remove. (Sized_incremental_binary::input_objects_): New data member. (Sized_relobj_incr): Rename Sized_incr_relobj to this; adjust all references. (Sized_relobj_incr::invalid_address): Move to base class. (Sized_relobj_incr::is_output_section_offset_invalid): Move to base class. (Sized_relobj_incr::do_output_section_offset): Likewise. (Sized_relobj_incr::do_for_all_local_got_entries): Likewise. (Sized_relobj_incr::section_offsets_): Likewise. * object.cc (Sized_relobj::do_for_all_local_got_entries): New function. (Sized_relobj_file::Sized_relobj_file): Remove local_got_offsets_. (Sized_relobj_file::layout_section): Replace refs to section_offsets_ with accessor function. (Sized_relobj_file::do_layout): Likewise. (Sized_relobj_file::do_layout_deferred_sections): Likewise. (Sized_relobj_file::do_for_all_local_got_entries): Move to base class. (Sized_relobj_file::compute_final_local_value): Replace refs to section_offsets_ with accessor function. (Sized_relobj_file::do_finalize_local_symbols): Likewise. * object.h (Relobj::Relobj): Initialize new data members. (Relobj::add_dyn_reloc): New function. (Relobj::first_dyn_reloc): New function. (Relobj::dyn_reloc_count): New function. (Relobj::first_dyn_reloc_): New data member. (Relobj::dyn_reloc_count_): New data member. (Sized_relobj): Rename Sized_relobj_base to this; adjust all references. (Sized_relobj::Address): New typedef. (Sized_relobj::invalid_address): Move here from child class. (Sized_relobj::Sized_relobj): Initialize new data members. (Sized_relobj::sized_relobj): New function. (Sized_relobj::is_output_section_offset_invalid): Move here from child class. (Sized_relobj::get_output_section_offset): Likewise. (Sized_relobj::local_has_got_offset): Likewise. (Sized_relobj::local_got_offset): Likewise. (Sized_relobj::set_local_got_offset): Likewise. (Sized_relobj::do_for_all_local_got_entries): Likewise. (Sized_relobj::clear_got_offsets): New function. (Sized_relobj::section_offsets): Move here from child class. (Sized_relobj::do_output_section_offset): Likewise. (Sized_relobj::do_set_section_offset): Likewise. (Sized_relobj::Local_got_offsets): Likewise. (Sized_relobj::local_got_offsets_): Likewise. (Sized_relobj::section_offsets_): Likewise. (Sized_relobj_file): Rename Sized_relobj to this; adjust all references. (Sized_relobj_file::is_output_section_offset_invalid): Move to base class. (Sized_relobj_file::sized_relobj): New function (Sized_relobj_file::local_has_got_offset): Move to base class. (Sized_relobj_file::local_got_offset): Likewise. (Sized_relobj_file::set_local_got_offset): Likewise. (Sized_relobj_file::get_output_section_offset): Likewise. (Sized_relobj_file::do_for_all_local_got_entries): Likewise. (Sized_relobj_file::do_output_section_offset): Likewise. (Sized_relobj_file::do_set_section_offset): Likewise. (Sized_relobj_file::Local_got_offsets): Likewise. (Sized_relobj_file::local_got_offsets_): Likewise. (Sized_relobj_file::section_offsets_): Likewise. * output.cc (Output_reloc::Output_reloc): Adjust type of relobj (all constructors). (set_needs_dynsym_index): Convert relobj to derived class pointer. (Output_reloc::get_symbol_index): Likewise. (Output_reloc::local_section_offset): Likewise. (Output_reloc::get_address): Likewise. (Output_reloc::symbol_value): Likewise. (Output_data_got::reserve_slot): Move to class definition. (Output_data_got::reserve_local): New function. (Output_data_got::reserve_slot_for_global): Remove. (Output_data_got::reserve_global): New function. * output.h (Output_reloc::Output_reloc): Adjust type of relobj (all constructors, two instantiations). (Output_reloc::get_relobj): New function (two instantiations). (Output_reloc::u1_.relobj, Output_reloc::u2_.relobj): Adjust type. (Output_data_reloc_base::add): Convert relobj to derived class pointer. (Output_data_reloc::add_global): Adjust type of relobj. (Output_data_reloc::add_global_relative): Likewise. (Output_data_reloc::add_symbolless_global_addend): Likewise. (Output_data_reloc::add_local): Likewise. (Output_data_reloc::add_local_relative): Likewise. (Output_data_reloc::add_symbolless_local_addend): Likewise. (Output_data_reloc::add_local_section): Likewise. (Output_data_reloc::add_output_section): Likewise. (Output_data_reloc::add_absolute): Likewise. (Output_data_reloc::add_target_specific): Likewise. (Output_data_got::reserve_slot): Move definition here. (Output_data_got::reserve_local): New function. (Output_data_got::reserve_global): New function. * reloc.cc (Sized_relobj_file::do_read_relocs): Replace refs to section_offsets_ with accessor function. (Sized_relobj_file::write_sections): Likewise. (Sized_relobj_file::do_relocate_sections): Likewise. * target.h (Sized_target::reserve_local_got_entry): New function. (Sized_target::reserve_global_got_entry): New function. * x86_64.cc (Target_x86_64::reserve_local_got_entry): New function. (Target_x86_64::reserve_global_got_entry): New function. (Target_x86_64::init_got_plt_for_update): Create rela_dyn section.
Diffstat (limited to 'gold/output.h')
-rw-r--r--gold/output.h62
1 files changed, 45 insertions, 17 deletions
diff --git a/gold/output.h b/gold/output.h
index 418f016..8ca3598 100644
--- a/gold/output.h
+++ b/gold/output.h
@@ -46,6 +46,8 @@ template<int size, bool big_endian>
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.
@@ -1119,6 +1121,16 @@ class Output_reloc<elfcpp::SHT_REL, dynamic, size, big_endian>
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;
@@ -1325,6 +1337,12 @@ class Output_reloc<elfcpp::SHT_RELA, dynamic, size, big_endian>
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;
@@ -1437,6 +1455,9 @@ class Output_data_reloc_base : public Output_data_reloc_generic
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:
@@ -1819,9 +1840,9 @@ class Output_data_reloc<elfcpp::SHT_RELA, dynamic, size, big_endian>
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));
@@ -1910,7 +1931,7 @@ class Output_data_group : public Output_section_data
{
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);
@@ -1930,7 +1951,7 @@ class Output_data_group : public Output_section_data
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.
@@ -2002,37 +2023,38 @@ class Output_data_got : public Output_section_data_build
// 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);
@@ -2046,13 +2068,19 @@ class Output_data_got : public Output_section_data_build
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.
@@ -2080,7 +2108,7 @@ class Output_data_got : public Output_section_data_build
{ 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)
{
@@ -2112,7 +2140,7 @@ class Output_data_got : public Output_section_data_build
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.
@@ -2608,7 +2636,7 @@ class Output_section : public Output_data
// 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);