Add dwp support for v2 DWARF package file format.
gold/ * dwarf_reader.cc (Dwarf_info_reader::visit_type_unit): Add tu_length parameter. Adjust all callers. * dwarf_reader.h (Dwarf_info_reader::visit_type_unit): Likewise. * dwp.cc: Include dwarf.h. (Section_bounds): New struct type. (Unit_set): New struct type. (Dwo_file::Dwo_file): Initialize new data member. (Dwo_file::read_compunit_index, Dwo_file::read_typeunit_index): Combine and rename to... (Dwo_file::read_unit_index): ...this. (Dwo_file::sized_read_compunit_index) (Dwo_file::sized_read_typeunit_index): Combine and rename to... (Dwo_file::sized_read_unit_index): ...this. (Dwo_file::copy_section): Remove section_name, is_str_offsets parameters; add section_id parameter. (Dwo_file::add_cu_set, Dwo_file::add_tu_set): Combine and rename to... (Dwo_file::add_unit_set): ...this. (Dwo_file::shndx_map_): Remove. (Dwo_file::sect_offsets_): New data member. (Dwp_output_file::Dwp_output_file): Initialize new data members. (Dwp_output_file::add_section): Rename to... (Dwp_output_file::add_contribution): ...this. (Dwp_output_file::add_cu_set): Combine parameters into a struct. (Dwp_output_file::add_tu_set): Likewise. (Dwp_output_file::Contribution): New type. (Dwp_output_file::Section::contributions): New data member. (Dwp_output_file::Cu_or_tu_set): Remove. (Dwp_output_file::Section::Section): New ctor. (Dwp_output_file::Dwp_index::Shndx_pool): Remove. (Dwp_output_file::Dwp_index::Section_table): New type. (Dwp_output_file::Dwp_index::Dwp_index): Initialize new data members. (Dwp_output_file::Dwp_index::enter_set): Change type of "set" parameter. (Dwp_output_file::Dwp_index::shndx_pool): Remove. (Dwp_output_file::Dwp_index::shndx_pool_end): Remove. (Dwp_output_file::Dwp_index::section_table): New member function. (Dwp_output_file::Dwp_index::section_table_end): New member function. (Dwp_output_file::Dwp_index::shndx_pool_size): Remove. (Dwp_output_file::Dwp_index::section_table_rows): New member function. (Dwp_output_file::Dwp_index::section_table_cols): New member function. (Dwp_output_file::Dwp_index::shndx_pool_): Remove. (Dwp_output_file::Dwp_index::section_table_): New data member. (Dwp_output_file::Dwp_index::section_mask_): New data member. (Dwp_output_file::add_output_section): New member function. (Dwp_output_file::write_new_section): New member function. (Dwp_output_file::write_contributions): New member function. (Dwp_output_file::section_id_map_): New data member. (class Dwo_id_info_reader): Remove. (class Unit_reader): New class. (get_dwarf_section_name): New function. (Dwo_file::read_executable): Adjust initializations of class data. (Dwo_file::read): Add support for v2 package file format. (Dwo_file::read_unit_index): Likewise. (Dwo_file::sized_read_unit_index): Likewise. (Dwo_file::copy_section): Likewise. (Dwo_file::add_unit_set): Likewise. (Dwp_output_file::add_output_section): Likewise. (Dwp_output_file::add_contribution): Likewise. (Dwp_output_file::Dwp_index::find_or_add): Use row index to check for empty slot. (Dwp_output_file::Dwp_index::enter_set): Add support for v2 package file format. (Dwp_output_file::Dwp_index::grow): Use row index to check for empty slot. (Dwp_output_file::initialize): Remove unused function. (Dwp_output_file::finalize): Add support for v2 package file format. (Dwp_output_file::write_index): Likewise. * gdb-index.cc (Gdb_index_info_reader::visit_type_unit): Adjust function prototype.
This commit is contained in:
Cary Coutant
parent
2fd2526edd
commit
d5834edbc8
5 changed files with 687 additions and 555 deletions
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@ -1,3 +1,76 @@
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2013-03-01 Cary Coutant <ccoutant@google.com>
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Add dwp support for v2 DWARF package file format.
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* dwarf_reader.cc (Dwarf_info_reader::visit_type_unit): Add
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tu_length parameter. Adjust all callers.
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* dwarf_reader.h (Dwarf_info_reader::visit_type_unit): Likewise.
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* dwp.cc: Include dwarf.h.
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(Section_bounds): New struct type.
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(Unit_set): New struct type.
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(Dwo_file::Dwo_file): Initialize new data member.
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(Dwo_file::read_compunit_index, Dwo_file::read_typeunit_index):
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Combine and rename to...
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(Dwo_file::read_unit_index): ...this.
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(Dwo_file::sized_read_compunit_index)
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(Dwo_file::sized_read_typeunit_index): Combine and rename to...
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(Dwo_file::sized_read_unit_index): ...this.
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(Dwo_file::copy_section): Remove section_name, is_str_offsets
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parameters; add section_id parameter.
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(Dwo_file::add_cu_set, Dwo_file::add_tu_set): Combine and rename to...
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(Dwo_file::add_unit_set): ...this.
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(Dwo_file::shndx_map_): Remove.
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(Dwo_file::sect_offsets_): New data member.
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(Dwp_output_file::Dwp_output_file): Initialize new data members.
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(Dwp_output_file::add_section): Rename to...
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(Dwp_output_file::add_contribution): ...this.
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(Dwp_output_file::add_cu_set): Combine parameters into a struct.
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(Dwp_output_file::add_tu_set): Likewise.
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(Dwp_output_file::Contribution): New type.
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(Dwp_output_file::Section::contributions): New data member.
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(Dwp_output_file::Cu_or_tu_set): Remove.
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(Dwp_output_file::Section::Section): New ctor.
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(Dwp_output_file::Dwp_index::Shndx_pool): Remove.
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(Dwp_output_file::Dwp_index::Section_table): New type.
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(Dwp_output_file::Dwp_index::Dwp_index): Initialize new data members.
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(Dwp_output_file::Dwp_index::enter_set): Change type of "set"
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parameter.
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(Dwp_output_file::Dwp_index::shndx_pool): Remove.
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(Dwp_output_file::Dwp_index::shndx_pool_end): Remove.
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(Dwp_output_file::Dwp_index::section_table): New member function.
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(Dwp_output_file::Dwp_index::section_table_end): New member function.
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(Dwp_output_file::Dwp_index::shndx_pool_size): Remove.
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(Dwp_output_file::Dwp_index::section_table_rows): New member function.
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(Dwp_output_file::Dwp_index::section_table_cols): New member function.
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(Dwp_output_file::Dwp_index::shndx_pool_): Remove.
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(Dwp_output_file::Dwp_index::section_table_): New data member.
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(Dwp_output_file::Dwp_index::section_mask_): New data member.
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(Dwp_output_file::add_output_section): New member function.
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(Dwp_output_file::write_new_section): New member function.
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(Dwp_output_file::write_contributions): New member function.
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(Dwp_output_file::section_id_map_): New data member.
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(class Dwo_id_info_reader): Remove.
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(class Unit_reader): New class.
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(get_dwarf_section_name): New function.
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(Dwo_file::read_executable): Adjust initializations of class data.
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(Dwo_file::read): Add support for v2 package file format.
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(Dwo_file::read_unit_index): Likewise.
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(Dwo_file::sized_read_unit_index): Likewise.
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(Dwo_file::copy_section): Likewise.
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(Dwo_file::add_unit_set): Likewise.
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(Dwp_output_file::add_output_section): Likewise.
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(Dwp_output_file::add_contribution): Likewise.
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(Dwp_output_file::Dwp_index::find_or_add): Use row index to check
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for empty slot.
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(Dwp_output_file::Dwp_index::enter_set): Add support for v2 package
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file format.
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(Dwp_output_file::Dwp_index::grow): Use row index to check for empty
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slot.
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(Dwp_output_file::initialize): Remove unused function.
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(Dwp_output_file::finalize): Add support for v2 package file format.
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(Dwp_output_file::write_index): Likewise.
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* gdb-index.cc (Gdb_index_info_reader::visit_type_unit): Adjust
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function prototype.
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2013-03-01 Cary Coutant <ccoutant@google.com>
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* dwarf_reader.cc (Dwarf_info_reader::check_buffer): Move
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@ -1285,7 +1285,8 @@ Dwarf_info_reader::do_parse()
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// Visit the CU or TU.
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if (this->is_type_unit_)
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this->visit_type_unit(section_offset + this->cu_offset_,
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type_offset, signature, &root_die);
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cu_end - cu_start, type_offset, signature,
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&root_die);
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else
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this->visit_compilation_unit(section_offset + this->cu_offset_,
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cu_end - cu_start, &root_die);
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@ -1428,7 +1429,7 @@ Dwarf_info_reader::visit_compilation_unit(off_t, off_t, Dwarf_die*)
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// Process a type unit and parse its child DIE.
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void
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Dwarf_info_reader::visit_type_unit(off_t, off_t, uint64_t, Dwarf_die*)
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Dwarf_info_reader::visit_type_unit(off_t, off_t, off_t, uint64_t, Dwarf_die*)
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{
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}
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@ -758,8 +758,8 @@ class Dwarf_info_reader
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// Visit a type unit.
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virtual void
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visit_type_unit(off_t tu_offset, off_t type_offset, uint64_t signature,
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Dwarf_die* root_die);
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visit_type_unit(off_t tu_offset, off_t tu_length, off_t type_offset,
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uint64_t signature, Dwarf_die* root_die);
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// Read the range table.
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Dwarf_range_list*
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1125
gold/dwp.cc
1125
gold/dwp.cc
File diff suppressed because it is too large
Load diff
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@ -203,8 +203,8 @@ class Gdb_index_info_reader : public Dwarf_info_reader
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// Visit a type unit.
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virtual void
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visit_type_unit(off_t tu_offset, off_t type_offset, uint64_t signature,
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Dwarf_die*);
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visit_type_unit(off_t tu_offset, off_t tu_length, off_t type_offset,
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uint64_t signature, Dwarf_die*);
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private:
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// A map for recording DIEs we've seen that may be referred to be
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@ -325,8 +325,9 @@ Gdb_index_info_reader::visit_compilation_unit(off_t cu_offset, off_t cu_length,
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// Process a type unit and parse its child DIE.
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void
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Gdb_index_info_reader::visit_type_unit(off_t tu_offset, off_t type_offset,
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uint64_t signature, Dwarf_die* root_die)
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Gdb_index_info_reader::visit_type_unit(off_t tu_offset, off_t,
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off_t type_offset, uint64_t signature,
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Dwarf_die* root_die)
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{
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++Gdb_index_info_reader::dwarf_tu_count;
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// Use a negative index to flag this as a TU instead of a CU.
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