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Oops, patch attached... -cary On Wed, Feb 27, 2013 at 3:35 PM, Cary Coutant <ccoutant@google.com> wrote: > This patch adds dwp support for version 2 of the proposed DWARF > package file format, documented here: > > http://gcc.gnu.org/wiki/DebugFissionDWP > > Because dwp is not intended to consume .dwp files that were produced by > an earlier version, I've removed all support for version 1 of the format, > which was purely experimental. The only .dwp files that dwp should be > asked to read will have been created by the same version of the tool > as part of an intermediate build. > > Tested on x86_64 with GCC 4.7 -gsplit-dwarf. OK to commit? > > -cary > > 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.
Attachment:
dwp-v2-patch.txt
Description: Text document
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