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Jan Kratochvil 927aa2e778 DWARF-5: .debug_names index consumer
Some testcases needed to be updated as they were missing
.debug_aranges.  While that does not matter for no-index (as GDB
builds the mapping internally during dwarf2_build_psymtabs_hard) and
neither for .gdb_index (as GDB uses that internally built mapping
which it stores into .gdb_index) it does matter for .debug_names as
that simply assumes existing .debug_aranges from GCC.

gdb/ChangeLog:
2017-12-08  Jan Kratochvil  <jan.kratochvil@redhat.com>
	    Pedro Alves  <palves@redhat.com>

	* defs.h (elf_sym_fns_debug_names): New declaration.
	* dwarf2read.c: Include "hash_enum.h".
	(mapped_debug_names): New.
	(struct dwarf2_per_objfile): Add debug_names, debug_aranges and
	debug_names_table.
	(dwarf2_elf_names): Add ".debug_names" and ".debug_aranges".
	(struct dwz_file): Add debug_names.
	(dwarf2_per_objfile::locate_sections): Handle debug_names and
	debug_aranges.
	(locate_dwz_sections): Handle debug_names.
	(create_signatured_type_table_from_debug_names)
	(create_addrmap_from_aranges): New.
	(dwarf2_read_index): Update function comment.
	(dwarf5_augmentation): Moved up.
	(read_debug_names_from_section, create_cus_from_debug_names_list)
	(create_cus_from_debug_names, dwarf2_read_debug_names): New.
	(dwarf5_djb_hash): Moved up.
	(dw2_debug_names_iterator): New.
	(read_indirect_string_at_offset): New declaration.
	(mapped_debug_names::namei_to_name)
	(dw2_debug_names_iterator::find_vec_in_debug_names)
	(dw2_debug_names_iterator::next, dw2_debug_names_lookup_symbol)
	(dw2_debug_names_dump, dw2_debug_names_expand_symtabs_for_function)
	(dw2_debug_names_expand_symtabs_matching, dwarf2_debug_names_functions):
	New.
	(dwarf2_initialize_objfile): Return also elf_sym_fns_debug_names.
	(debug_names::djb_hash): Rename it to dwarf5_djb_hash.
	(debug_names::build): Update djb_hash caller.
	(write_debug_names): Move out and rename augmentation to
	dwarf5_augmentation.
	* elfread.c (elf_sym_fns_debug_names): New.
	* psymtab.h (dwarf2_debug_names_functions): New declaration.
	* symfile.h (struct dwarf2_debug_sections): Add debug_names and
	debug_aranges.
	* xcoffread.c (dwarf2_xcoff_names): Add debug_names and debug_aranges.

gdb/testsuite/ChangeLog:
2017-12-08  Jan Kratochvil  <jan.kratochvil@redhat.com>
	    Pedro Alves  <palves@redhat.com>

	* gdb.base/maint.exp (check for .gdb_index): Check also for
	.debug_names.
	* gdb.dlang/watch-loc.c (.debug_aranges): New.
	* gdb.dwarf2/dw2-case-insensitive-debug.S: Likewise.
	* gdb.dwarf2/gdb-index.exp (check if index present, .gdb_index used)
	(.gdb_index used after symbol reloading): Support also .debug_names.
	* gdb.mi/dw2-ref-missing-frame-func.c (.debug_aranges): New.
2017-12-08 23:37:31 +00:00
bfd Work around sparc glibc bug 2017-12-09 08:06:08 +10:30
binutils Fix stripping relocs in a file with mergeable notes. 2017-12-08 10:07:14 +00:00
config
cpu
elfcpp
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gas gas: xtensa: fix comparison of trampoline chain symbols 2017-12-08 08:49:21 -08:00
gdb DWARF-5: .debug_names index consumer 2017-12-08 23:37:31 +00:00
gold Handle case where posix_fallocate is not supported for a filesystem. 2017-12-02 09:56:40 -08:00
gprof
include Use consistent types for holding instructions, instruction masks, etc. 2017-12-01 11:20:15 -06:00
intl
ld Objcopy interleave test 2017-12-07 23:04:15 +10:30
libdecnumber
libiberty
opcodes Fix "FAIL: VLE relocations 3" 2017-12-03 21:54:47 +10:30
readline
sim
texinfo
zlib
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		   README for GNU development tools

This directory contains various GNU compilers, assemblers, linkers, 
debuggers, etc., plus their support routines, definitions, and documentation.

If you are receiving this as part of a GDB release, see the file gdb/README.
If with a binutils release, see binutils/README;  if with a libg++ release,
see libg++/README, etc.  That'll give you info about this
package -- supported targets, how to use it, how to report bugs, etc.

It is now possible to automatically configure and build a variety of
tools with one command.  To build all of the tools contained herein,
run the ``configure'' script here, e.g.:

	./configure 
	make

To install them (by default in /usr/local/bin, /usr/local/lib, etc),
then do:
	make install

(If the configure script can't determine your type of computer, give it
the name as an argument, for instance ``./configure sun4''.  You can
use the script ``config.sub'' to test whether a name is recognized; if
it is, config.sub translates it to a triplet specifying CPU, vendor,
and OS.)

If you have more than one compiler on your system, it is often best to
explicitly set CC in the environment before running configure, and to
also set CC when running make.  For example (assuming sh/bash/ksh):

	CC=gcc ./configure
	make

A similar example using csh:

	setenv CC gcc
	./configure
	make

Much of the code and documentation enclosed is copyright by
the Free Software Foundation, Inc.  See the file COPYING or
COPYING.LIB in the various directories, for a description of the
GNU General Public License terms under which you can copy the files.

REPORTING BUGS: Again, see gdb/README, binutils/README, etc., for info
on where and how to report problems.