Don't link FreeBSD tests with -ldl.

    * ld-elf/shared.exp: Introduce the extralibs variable to control
    the libraries to be linked. Don't link -ldl on *-*-freebsd*.

    * ld-bootstrap/bootstrap.exp: Do not add -ldl to the extralibs on
    *-*-freebsd*.
Extend the fix already created for PR 16858 so that it works with x86 PE targets as well.

	PR gas/16858
	* config/tc-i386.c (md_apply_fix): Improve the detection of code
	symbols for 32-bit PE targets.
[testsuite patch] Test power{5,6,7} disassembly

Power5, Power6 and Power7 disassembly testing.

gdb/testsuite/
2014-05-19  Jan Kratochvil  <jan.kratochvil@redhat.com>

	* gdb.arch/powerpc-power.exp: New file.
	* gdb.arch/powerpc-power.s: New file.

Message-ID: <20140514205425.GA15398@host2.jankratochvil.net>
* eval.c (evaluate_subexp_standard): Add some comments.
Fix gdbserver qGetTLSAddr for x86_64 -m32

gdbserver makes libthread_db to access uninitialized memory.  Surprisingly it
does not harm normally, even -fsanitize=address works with current gdbserver.
I have found just valgrind detects it as a very first warning for gdbserver:

Syscall param ptrace(addr) contains uninitialised byte(s)
   at 0x3721EECEBE: ptrace (ptrace.c:45)
   by 0x436EE5: ps_get_thread_area (linux-x86-low.c:252)
   by 0x5559D02: __td_ta_lookup_th_unique (td_ta_map_lwp2thr.c:157)
   by 0x5559EC3: td_ta_map_lwp2thr (td_ta_map_lwp2thr.c:207)
   by 0x43F87D: find_one_thread (thread-db.c:281)
   by 0x440038: thread_db_get_tls_address (thread-db.c:505)
   by 0x40F6D0: handle_query (server.c:2004)
   by 0x4124CF: process_serial_event (server.c:3445)
   by 0x4136B6: handle_serial_event (server.c:3889)
   by 0x419571: handle_file_event (event-loop.c:434)
   by 0x418D38: process_event (event-loop.c:189)
   by 0x419AB7: start_event_loop (event-loop.c:552)

Reproducible with:
cd gdb/testsuite
g++ -o gdb.threads/tls gdb.threads/tls{,2}.c -m32 -pthread
../gdbserver/gdbserver :1234 gdb.threads/tls
../gdb -batch gdb.threads/tls -ex 'target remote :1234' -ex 'b spin' -ex c -ex 'p a_thread_local'

It is more easily reproducible even without valgrind using s/0x00/0xff/ in the
attached patch.  It will then turn the output of reproducer above:
$1 = 0
->
Cannot find thread-local storage for Thread 29044, executable file .../gdb/testsuite/gdb.threads/tls:
Remote target failed to process qGetTLSAddr request

gdb/gdbserver/
2014-05-19  Jan Kratochvil  <jan.kratochvil@redhat.com>

	Fix gdbserver qGetTLSAddr for x86_64 -m32.
	* linux-x86-low.c (X86_64_USER_REGS): New.
	(x86_fill_gregset): Call memset for BUF first in x86_64 -m32 case.

Message-ID: <20140410114901.GA16411@host2.jankratochvil.net>
Remove all_type_unit_groups, unused.

	* dwarf2read.c (struct dwarf2_per_objfile): Delete unused members
	n_type_unit_groups, all_type_unit_groups.  All uses removed.
	(get_type_unit_group, build_type_unit_groups): Delete forward decls.
	(dw2_get_cutu): Renamed from dw2_get_cu.  All callers updated.
	(dw2_get_cu): Renamed from dw2_get_primary_cu.  All callers updated.
	(add_type_unit_group_to_table): Delete.
fix two latent type errors

I'm checking this in as obvious.

I was looking at instances of "alloc.*sizeof" and noticed a couple
where the types in question are incorrect.

In gdbtypes, the code allocates sizeof(int) to represent a struct rank.
In mi-cmds, the code uses "struct mi_cmd **" -- one "*" too many.

In both cases the problems are latent because in practice the sizes
are the same as the sizes of the correct types.  Still, it's better to
be correct.

I think gdb would be improved by a wholesale change from explicit
sizeofs to using the libiberty.h allocation macros.  In most cases
they are both shorter and have better type safety.  However, the
resulting patch is rather large.

Built and regtested on x86-64 Fedora 20.

2014-05-19  Tom Tromey  <tromey@redhat.com>

	* gdbtypes.c (rank_function): Use XNEWVEC.
	* mi/mi-cmds.c (build_table): Use XCNEWVEC.
build_type_unit_groups and moved closer to only caller and renamed

	* dwarf2read.c (build_type_psymtabs_1): Renamed from
	build_type_unit_groups and moved closer to only caller.  Remove
	arguments.  All references updated.  Remove outdated .gdb_index
	comment.
	(struct tu_abbrev_offset, sort_tu_by_abbrev_offset): Move with
	build_type_psymtabs_1.
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