gdb and binutils branch master updated. ec673e648cf7b2fa6a03342b0bca3ed3855f002f

[ccoutant at sourceware dot org]

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https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=ec673e648cf7b2fa6a03342b0bca3ed3855f002f

commit ec673e648cf7b2fa6a03342b0bca3ed3855f002f
Author: Cary Coutant <ccoutant@google.com>
Date:   Tue Jan 28 15:35:47 2014 -0800

    Add .gdb_index version 7 support.
    
    This patch adds support for .gdb_index version 7, which adds several
    flag bits to the symbol index.  It also fixes a problem where it did
    not handle compressed debug sections correctly.
    
    Tested with a google/gcc-4_8 branch compiler, which supports
    the -ggnu-pubnames option to generate .debug_gnu_pubnames/pubtypes
    tables. (We will submit that patch to GCC when stage 1 reopens.)
    
    2014-01-28  Cary Coutant  <ccoutant@google.com>
    
    	* gold/dwarf_reader.cc: include <utility> (for make_pair).
    	(Dwarf_abbrev_table::do_read_abbrevs): Check for compressed
    	debug sections.
    	(Dwarf_ranges_table::read_ranges_table): Likewise.
    	(Dwarf_pubnames_table::read_section): Check for GNU-style
    	sections, and for compressed debug sections.
    	(Dwarf_pubnames_table::read_header): Compute end address of table.
    	(Dwarf_pubnames_table::next_name): Return flag_byte.  Check
    	for end of list by offset, not by offset == 0.
    	(Dwarf_info_reader::do_read_string_table): Check for compressed
    	debug sections.
    	* gold/dwarf_reader.h (Dwarf_pubnames_table::Dwarf_pubnames_table):
    	Initialize new data members.
    	(Dwarf_pubnames_table::next_name): return flag_byte.
    	(Dwarf_pubnames_table::end_of_table_): New data member.
    	(Dwarf_pubnames_table::is_gnu_style_): New data member.
    	* gold/gdb-index.cc (gdb_index_version): Update to version 7.
    	(Gdb_index_info_reader::read_pubtable): Read flag_byte.
    	(Gdb_index_info_reader::read_pubnames_and_pubtypes): Don't
    	read skeleton type unit DIEs.
    	(Gdb_index::add_symbol): Add flag_byte; adjust all callers.
    	(Gdb_index::do_write): Write flag_byte.
    	* gold/gdb-index.h (Gdb_index::add_symbol): Add flags parameter.
    	(Gdb_index::Cu_vector): Store flags along with cu indexes.
    	* gold/testsuite/gdb_index_test_3.sh: Allow versions 4-7.
    	* gold/testsuite/gdb_index_test_comm.sh: Likewise.

-----------------------------------------------------------------------

Summary of changes:
 gold/ChangeLog                        |   31 +++++++++++++++++
 gold/dwarf_reader.cc                  |   59 +++++++++++++++++++++++----------
 gold/dwarf_reader.h                   |   13 +++++--
 gold/gdb-index.cc                     |   32 +++++++++++++-----
 gold/gdb-index.h                      |    7 ++--
 gold/testsuite/gdb_index_test_3.sh    |    2 +-
 gold/testsuite/gdb_index_test_comm.sh |    2 +-
 7 files changed, 111 insertions(+), 35 deletions(-)


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