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Pedro Alves 4875ffdbda Regression for i686 gdb.dwarf2/pieces-optimized-out.exp 
Git 9a0dc9e3 regressed gdb.dwarf2/pieces-optimized-out.exp, visible on
i686 (the test doesn't run on x86_64):

 (gdb) p s
 -$1 = {a = 5, b = <optimized out>, c = <optimized out>, d = <optimized out>}
 +$1 = {a = 5, b = <optimized out>, c = 0, d = 0}
 -(gdb) PASS: gdb.dwarf2/pieces-optimized-out.exp: print s
 +(gdb) FAIL: gdb.dwarf2/pieces-optimized-out.exp: print s

The regression was caused by this removal in cp-valprint.c:

  @@ -293,12 +293,6 @@ cp_print_value_fields (struct type *type, struct type *real_type,
		  {
		    fputs_filtered (_("<synthetic pointer>"), stream);
		  }
  -             else if (!value_bits_valid (val,
  -                                         TYPE_FIELD_BITPOS (type, i),
  -                                         TYPE_FIELD_BITSIZE (type, i)))
  -               {
  -                 val_print_optimized_out (val, stream);
  -               }
		else
		  {
		    struct value_print_options opts = *options;

The idea was that we'd just fallback to calling value_field_bitfield,
which handles unavailable values (in unpack_value_bits_as_long_1) so
should be able to handle optimized out values too.  Alas, it doesn't.
This is currently a bit too messy.  Instead of teaching
unpack_value_bits_as_long_1 about optimized out bits, let's bite the
bullet and teach the value code to handle partially optimized out
bitfield, by having it unpack a bitfield and then propagate the range
metadata.  Turns out the resulting code looks simpler and clearer.

Tested on x86_64 Fedora 20, -m64/-m32.

gdb/ChangeLog:

	* value.c (value_ranges_copy_adjusted): New function, factored out
	from ...
	(value_contents_copy_raw): ... here.
	(unpack_value_bits_as_long_1): Rename back to ...
	(unpack_bits_as_long): ... this.  Remove 'original_value' and
	'result' parameters.  Change return type to LONGEST.
	(unpack_value_bits_as_long): Delete.
	(unpack_value_field_as_long_1): Delete.
	(unpack_value_field_as_long, unpack_field_as_long): Reimplement.
	(unpack_value_bitfield): New function.
	(value_field_bitfield): Reimplement using unpack_value_bitfield.
	(value_fetch_lazy): Use unpack_value_bitfield.
	* value.h (unpack_value_bits_as_long): Delete declaration.
2014-09-04 12:12:41 +01:00
bfd daily update 2014-09-04 09:30:40 +09:30
binutils aarch64: Decode dwarf2 register numbers 2014-08-22 14:40:10 -07:00
config Fix --diable-shared --enable-plugins build breakage 2014-08-19 21:59:56 +09:30
cpu or1k: add missing l.msync, l.psync and l.psync instructions. 2014-07-20 20:26:09 +03:00
elfcpp Make Elf_file::section_name() a const function, so that it can be used in 2014-09-02 15:44:58 -07:00
etc PR external/{16327,16328}: Remove etc/configure.texi and etc/standards.texi. 2014-06-27 11:33:25 +02:00
gas MIPS: Update the list of addr32 targets 2014-09-04 09:46:01 +01:00
gdb Regression for i686 gdb.dwarf2/pieces-optimized-out.exp 2014-09-04 12:12:41 +01:00
gold Add NaCl (NativeClient) specific classes Target_mips_nacl and 2014-09-03 09:44:11 -07:00
gprof Fix --diable-shared --enable-plugins build breakage 2014-08-19 21:59:56 +09:30
include [PATCH/AArch64] Implement LSE feature 2014-09-03 14:53:53 +01:00
intl
ld Fix testsuite ld_simple_link_defsyms for windows targets 2014-08-29 10:34:18 +09:30
libdecnumber PR c/59871 c/ * c-typeck.c (build_compound_expr): Warn even for right-hand operand of a comma expression. (emit_side_effect_warnings): Likewise. libdecnumber/ * decNumberLocal.h (UBFROMUS, UBFROMUI): Remove last argument. testsuite/ * gcc.dg/20020220-2.c: Adjust dg-warning message. * gcc.dg/pr59871.c: New test. 2014-05-08 10:18:28 -06:00
libiberty Delete temporary string within demangler even in failure cases. 2014-06-11 11:41:51 +01:00
opcodes [PATCH/AArch64] Generic support for all system registers using mrs and msr 2014-09-03 14:53:53 +01:00
readline
sim Shadow SIM's debug_printf function 2014-08-28 11:59:09 +01:00
texinfo
.cvsignore
.gitattributes Add a .gitattributes file for use with git-merge-changelog 2014-07-25 18:07:23 -04:00
.gitignore
ChangeLog src-release.sh: Convert src-release to a shell script 2014-08-27 13:50:06 +01:00
compile
config-ml.in
config.guess * config.sub, config.guess: Import from upstream. 2014-05-01 21:49:01 +01:00
config.rpath
config.sub Import config.sub from upstream config repo 2014-07-29 07:04:52 -04:00
configure or1k: GDB not supported for or1k*-*-rtems* 2014-07-27 18:43:52 +02:00
configure.ac or1k: GDB not supported for or1k*-*-rtems* 2014-07-27 18:43:52 +02:00
COPYING
COPYING3
COPYING3.LIB
COPYING.LIB
COPYING.LIBGLOSS
COPYING.NEWLIB
depcomp
djunpack.bat
install-sh
libtool.m4
lt~obsolete.m4
ltgcc.m4
ltmain.sh
ltoptions.m4
ltsugar.m4
ltversion.m4
MAINTAINERS
Makefile.def PR sanitizer/56781 * Makefile.def: Set bootstrap=true; for host fixincludes. * configure.ac: Don't bootstrap host fixincludes unless --with-build-config=bootstrap-{a,ub}san. * Makefile.in: Regenerated. * configure: Regenerated. 2014-05-08 10:18:30 -06:00
Makefile.in PR sanitizer/56781 * Makefile.def: Set bootstrap=true; for host fixincludes. * configure.ac: Don't bootstrap host fixincludes unless --with-build-config=bootstrap-{a,ub}san. * Makefile.in: Regenerated. * configure: Regenerated. 2014-05-08 10:18:30 -06:00
Makefile.tpl PR bootstrap/58572 * Makefile.tpl (POSTSTAGE1_CXX_EXPORT): Use -isystem instead of -I for libstdc++-v3 includes if $(LEAN). * Makefile.in: Regenerated. 2014-05-08 10:18:29 -06:00
makefile.vms
missing
mkdep
mkinstalldirs
move-if-change
README
README-maintainer-mode
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src-release.sh src-release.sh: Convert src-release to a shell script 2014-08-27 13:50:06 +01:00
symlink-tree
ylwrap

README 

		   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.