binutils-gdb.git
8 years agoFortran, typeprint: Decrease level of details when printing elements of a structure.
Bernhard Heckel [Wed, 25 May 2016 06:47:17 +0000 (08:47 +0200)]
Fortran, typeprint: Decrease level of details when printing elements of a structure.

According to the typeprint's description, the level of details is
decreased by one for the typeprint of elements of a structure.

Before:
(gdb) ptype t3v
type = Type t3
    integer(kind=4) :: t3_i
    Type t2
        integer(kind=4) :: t2_i
        Type t1
            integer(kind=4) :: t1_i
            real(kind=4) :: t1_r
        End Type t1 :: t1_n
    End Type t2 :: t2_n
End Type t3

After:
(gdb) ptype t3v
type = Type t3
    integer(kind=4) :: t3_i
    Type t2 :: t2_n
End Type t3

2016-05-25  Bernhard Heckel  <bernhard.heckel@intel.com>

gdb/Changelog:
* f-typeprint.c (f_type_print_base): Decrease show by one.

gdb/testsuite/Changelog:
* gdb.fortran/type.f90: Add nested structures.
* gdb.fortran/whatis-type.exp: Whatis/ptype nested structures.
* gdb.fortran/derived-type.exp: Adapt expected output.
* gdb.fortran/vla-type.exp: Adapt expected output.

8 years agoFortran, typeprint: Take level of details into account when printing elements of...
Bernhard Heckel [Wed, 25 May 2016 06:47:17 +0000 (08:47 +0200)]
Fortran, typeprint: Take level of details into account when printing elements of a structure.

According to the typeprint's description, elements of a structure
should not be printed when show is < 1.
This variable is also used to distinguish the level of details
between "ptype" and "whatis" expressions.

Before:
(gdb) whatis t1v
type = Type t1
    integer(kind=4) :: t1_i
    real(kind=4) :: t1_r
End Type t1

After:
(gdb) whatis t1v
type = Type t1

2016-05-25  Bernhard Heckel  <bernhard.heckel@intel.com>

gdb/Changelog:
* f-typeprint.c (f_type_print_base): Don't print fields when show < 0.

gdb/testsuite/Changelog:
* gdb.fortran/whatis_type.exp: Adapt expected output.

8 years agoFortran, typeprint: Fix wrong indentation when ptype nested structures.
Bernhard Heckel [Wed, 25 May 2016 06:47:16 +0000 (08:47 +0200)]
Fortran, typeprint: Fix wrong indentation when ptype nested structures.

Level of indentation was not proper handled when printing
the elements type's name.

Before:
type = Type t1
integer(kind=4) :: var_1
integer(kind=4) :: var_2
End Type t1

After:
type = Type t1
    integer(kind=4) :: var_1
    integer(kind=4) :: var_2
End Type t1

2016-05-25  Bernhard Heckel  <bernhard.heckel@intel.com>

gdb/Changelog:
* f-typeprint.c (f_type_print_base): Take print level into account.

gdb/testsuite/Changelog:
* gdb.fortran/print_type.exp: Fix expected output.
* gdb.fortran/whatis_type.exp: Fix expected output.

8 years agoFortran, testsuite: Use multi_line in whatis_type testcase.
Bernhard Heckel [Wed, 25 May 2016 06:47:16 +0000 (08:47 +0200)]
Fortran, testsuite: Use multi_line in whatis_type testcase.

2016-05-25  Bernhard Heckel  <bernhard.heckel@intel.com>

gdb/testsuite/Changelog:
* gdb.fortran/whatis_type.exp: Use multi_line.

8 years agoAutomatic date update in version.in
GDB Administrator [Wed, 25 May 2016 00:00:17 +0000 (00:00 +0000)]
Automatic date update in version.in

8 years agoMIPS/BFD: Unify `bfd_reloc_outofrange' error reporting code
Maciej W. Rozycki [Tue, 24 May 2016 19:45:30 +0000 (20:45 +0100)]
MIPS/BFD: Unify `bfd_reloc_outofrange' error reporting code

bfd/
* elfxx-mips.c (_bfd_mips_elf_relocate_section)
<bfd_reloc_outofrange>: Unify error reporting code.

8 years agoFix PR python/17386 - add __index__ method to gdb.Value
Tom Tromey [Sun, 14 Sep 2014 04:24:50 +0000 (22:24 -0600)]
Fix PR python/17386 - add __index__ method to gdb.Value

This patch fixes PR python/17386.

The bug is that gdb.Value does not implement the Python __index__
method.  This method is needed to convert a Python object to an index
and is used by various operations in Python, such as indexing an
array.

The fix is to implement the nb_index method for gdb.Value.

nb_index was added in Python 2.5.  I don't have a good way to test
Python 2.4, but I made an attempt to accomodate it.

I chose to use valpy_long in all cases because this simplifies porting
to Python 3, and because there didn't seem to be any harm.

Built and regtested on x86-64 Fedora 23.

2016-05-24  Tom Tromey  <tom@tromey.com>

PR python/17386:
* python/py-value.c (value_object_as_number): Add
nb_inplace_floor_divide, nb_inplace_true_divide, nb_index.

2016-05-24  Tom Tromey  <tom@tromey.com>

PR python/17386:
* gdb.python/py-value.exp (test_value_numeric_ops): Add tests that
use value as an index.

8 years agoadd nb_inplace_divide for python 2
Tom Tromey [Mon, 23 May 2016 16:58:51 +0000 (10:58 -0600)]
add nb_inplace_divide for python 2

Python 2's PyNumberMethods has nb_inplace_divide, but Python 3 does
not.  This patch adds it for Python 2.

This buglet didn't cause much fallout because the only non-NULL entry
in value_object_as_number after this is for valpy_divide; and the
missing slot caused it to slide up to nb_floor_divide (where
nb_true_divide was intended).

2016-05-24  Tom Tromey  <tom@tromey.com>

* python/py-value.c (value_object_as_number): Add
nb_inplace_divide for Python 2.

8 years agoFix PR python/17981
Tom Tromey [Thu, 19 May 2016 03:41:28 +0000 (21:41 -0600)]
Fix PR python/17981

PR python/17981 notes that gdb.breakpoints() returns None when there
are no breakpoints; whereas an empty list or tuple would be more in
keeping with Python and the documentation.

This patch fixes the bug by changing the no-breakpoint return to make
an empty tuple.

Built and regtested on x86-64 Fedora 23.

2016-05-23  Tom Tromey  <tom@tromey.com>

PR python/17981:
* python/py-breakpoint.c (gdbpy_breakpoints): Return a new tuple
when there are no breakpoints.

2016-05-23  Tom Tromey  <tom@tromey.com>

* python.texi (Basic Python): Document gdb.breakpoints return.

2016-05-23  Tom Tromey  <tom@tromey.com>

PR python/17981:
* gdb.python/py-breakpoint.exp (test_bkpt_basic): Add test for
no-breakpoint case.

8 years agoPR gdb/19194 - fix typo in the manual
Tom Tromey [Tue, 24 May 2016 15:41:39 +0000 (09:41 -0600)]
PR gdb/19194 - fix typo in the manual

PR gdb/19194 points out a typo in the documentation.  I'm checking
this in as obvious.

2016-05-24  Tom Tromey  <tom@tromey.com>

PR gdb/19194:
* gdb.texinfo (gdb man): Fix typo.

8 years agoFix PR gdb/19828: gdb -p <process from a container>: internal error
Pedro Alves [Tue, 24 May 2016 13:47:57 +0000 (14:47 +0100)]
Fix PR gdb/19828: gdb -p <process from a container>: internal error

When GDB attaches to a process, it looks at the /proc/PID/task/ dir
for all clone threads of that process, and attaches to each of them.

Usually, if there is more than one clone thread, it means the program
is multi threaded and linked with pthreads.  Thus when GDB soon after
attaching finds and loads a libthread_db matching the process, it'll
add a thread to the thread list for each of the initially found
lower-level LWPs.

If, however, GDB fails to find/load a matching libthread_db, nothing
is adding the LWPs to the thread list.  And because of that, "detach"
hits an internal error:

  (gdb) PASS: gdb.threads/clone-attach-detach.exp: fg attach 1: attach
  info threads
    Id   Target Id         Frame
  * 1    LWP 6891 "clone-attach-de" 0x00007f87e5fd0790 in __nanosleep_nocancel () at ../sysdeps/unix/syscall-template.S:84
  (gdb) FAIL: gdb.threads/clone-attach-detach.exp: fg attach 1: info threads shows two LWPs
  detach
  .../src/gdb/thread.c:1010: internal-error: is_executing: Assertion `tp' failed.
  A problem internal to GDB has been detected,
  further debugging may prove unreliable.
  Quit this debugging session? (y or n)
  FAIL: gdb.threads/clone-attach-detach.exp: fg attach 1: detach (GDB internal error)

From here:

  ...
  #8  0x00000000007ba7cc in internal_error (file=0x98ea68 ".../src/gdb/thread.c", line=1010, fmt=0x98ea30 "%s: Assertion `%s' failed.")
      at .../src/gdb/common/errors.c:55
  #9  0x000000000064bb83 in is_executing (ptid=...) at .../src/gdb/thread.c:1010
  #10 0x00000000004c23bb in get_pending_status (lp=0x12c5cc0, status=0x7fffffffdc0c) at .../src/gdb/linux-nat.c:1235
  #11 0x00000000004c2738 in detach_callback (lp=0x12c5cc0, data=0x0) at .../src/gdb/linux-nat.c:1317
  #12 0x00000000004c1a2a in iterate_over_lwps (filter=..., callback=0x4c2599 <detach_callback>, data=0x0) at .../src/gdb/linux-nat.c:899
  #13 0x00000000004c295c in linux_nat_detach (ops=0xe7bd30, args=0x0, from_tty=1) at .../src/gdb/linux-nat.c:1358
  #14 0x000000000068284d in delegate_detach (self=0xe7bd30, arg1=0x0, arg2=1) at .../src/gdb/target-delegates.c:34
  #15 0x0000000000694141 in target_detach (args=0x0, from_tty=1) at .../src/gdb/target.c:2241
  #16 0x0000000000630582 in detach_command (args=0x0, from_tty=1) at .../src/gdb/infcmd.c:2975
  ...

Tested on x86-64 Fedora 23.  Also confirmed the test passes against
gdbserver with "maint set target-non-stop".

gdb/ChangeLog:
2016-05-24  Pedro Alves  <palves@redhat.com>

PR gdb/19828
* linux-nat.c (attach_proc_task_lwp_callback): Mark the lwp
resumed, and add the thread to GDB's thread list.

testsuite/ChangeLog:
2016-05-24  Pedro Alves  <palves@redhat.com>

PR gdb/19828
* gdb.threads/clone-attach-detach.c: New file.
* gdb.threads/clone-attach-detach.exp: New file.

8 years agoMake gdb/linux-nat.c consider a waitstatus pending on the infrun side
Pedro Alves [Tue, 24 May 2016 13:47:57 +0000 (14:47 +0100)]
Make gdb/linux-nat.c consider a waitstatus pending on the infrun side

Working on the fix for gdb/19828, I saw
gdb.threads/attach-many-short-lived-threads.exp fail once in an
unusual way.  Unfortunately I didn't keep debug logs, but it's an
issue similar to what's been fixed in remote.c a while ago --
linux-nat.c was not fetching the pending status from the right place.

gdb/ChangeLog:
2016-05-24  Pedro Alves  <palves@redhat.com>

PR gdb/19828
* linux-nat.c (get_pending_status): If the thread reported the
event to the core and it's pending, use the pending status signal
number.

8 years ago[Linux] Optimize PID -> struct lwp_info lookup
Pedro Alves [Tue, 24 May 2016 13:47:57 +0000 (14:47 +0100)]
[Linux] Optimize PID -> struct lwp_info lookup

Hacking the gdb.threads/attach-many-short-lived-threads.exp test to
spawn thousands of threads instead of dozens, and running gdb under
perf, I saw that GDB was spending most of the time in find_lwp_pid:

   - captured_main
      - 93.61% catch_command_errors
         - 87.41% attach_command
            - 87.40% linux_nat_attach
               - 87.40% linux_proc_attach_tgid_threads
                  - 82.38% attach_proc_task_lwp_callback
                     - 81.01% find_lwp_pid
                          5.30% ptid_get_lwp
                        + 0.10% ptid_lwp_p
                     + 0.64% add_thread
                     + 0.26% set_running
                     + 0.24% set_executing
                       0.12% ptid_get_lwp
                     + 0.01% ptrace
                     + 0.01% add_lwp

attach_proc_task_lwp_callback is called once for each LWP that we
attach to, found by listing the /proc/PID/task/ directory.  In turn,
attach_proc_task_lwp_callback calls find_lwp_pid to check whether the
LWP we're about to try to attach to is already known.  Since
find_lwp_pid does a linear walk over the whole LWP list, this becomes
quadratic.  We do the /proc/PID/task/ listing until we get two
iterations in a row where we found no new threads.  So the second and
following times we walk the /proc/PID/task/ dir, we're going to take
an even worse find_lwp_pid hit.

Fix this by adding a hash table keyed by LWP PID, for fast lookup.

The linked list embedded in the LWP structure itself is kept, and made
a double-linked list, so that removals from that list are O(1).  An
earlier version of this patch got rid of this list altogether, but
that revealed hidden dependencies / assumptions on how the list is
sorted.  For example, killing a process and then waiting for all the
LWPs status using iterate_over_lwps only works as is because the
leader LWP is always last in the list.  So I thought it better to take
an incremental approach and make this patch concern itself _only_ with
the PID lookup optimization.

gdb/ChangeLog:
2016-05-24  Pedro Alves  <palves@redhat.com>

PR gdb/19828
* linux-nat.c (lwp_lwpid_htab): New htab.
(lwp_info_hash, lwp_lwpid_htab_eq, lwp_lwpid_htab_create)
(lwp_lwpid_htab_add_lwp): New functions.
(lwp_list): Tweak comment.
(lwp_list_add, lwp_list_remove, lwp_lwpid_htab_remove_pid): New
functions.
(purge_lwp_list): Rewrite, using htab_traverse_noresize.
(add_initial_lwp): Add lwp to htab too.  Use lwp_list_add.
(delete_lwp): Use lwp_list_remove.  Remove htab too.
(find_lwp_pid): Search in htab.
(_initialize_linux_nat): Call lwp_lwpid_htab_create.
* linux-nat.h (struct lwp_info) <prev>: New field.

8 years ago[Linux] Avoid refetching core-of-thread if thread hasn't run
Pedro Alves [Tue, 24 May 2016 13:47:57 +0000 (14:47 +0100)]
[Linux] Avoid refetching core-of-thread if thread hasn't run

Hacking the gdb.threads/attach-many-short-lived-threads.exp test to
spawn thousands of threads instead of dozens, I saw GDB having trouble
keeping up with threads being spawned too fast, when it tried to stop
them all.  This was because while gdb is doing that, it updates the
thread list to make sure no new thread has sneaked in that might need
to be paused.  It does this a few times until it sees no-new-threads
twice in a row.  The thread listing update itself is not that
expensive, however, in the Linux backend, updating the threads list
calls linux_common_core_of_thread for each LWP to record on which core
each LWP was last seen running, which opens/reads/closes a /proc file
for each LWP which becomes expensive when you need to do it for
thousands of LWPs.

perf shows gdb in linux_common_core_of_thread 44% of the time, in the
stop_all_threads -> update_thread_list path in this use case.

This patch simply makes linux_common_core_of_thread avoid updating the
core the thread is bound to if the thread hasn't run since the last
time we updated that info.  This makes linux_common_core_of_thread
disappear into the noise in the perf report.

gdb/ChangeLog:
2016-05-24  Pedro Alves  <palves@redhat.com>

PR gdb/19828
* linux-nat.c (linux_resume_one_lwp_throw): Clear the LWP's core
field.
(linux_nat_update_thread_list): Don't fetch the core if already
known.

8 years ago[Linux] Read vDSO range from /proc/PID/task/PID/maps instead of /proc/PID/maps
Pedro Alves [Tue, 24 May 2016 13:47:56 +0000 (14:47 +0100)]
[Linux] Read vDSO range from /proc/PID/task/PID/maps instead of /proc/PID/maps

... as it's _much_ faster.

Hacking the gdb.threads/attach-many-short-lived-threads.exp test to
spawn thousands of threads instead of dozens to stress and debug
timeout problems with gdb.threads/attach-many-short-lived-threads.exp,
I saw that GDB would spend several seconds just reading the
/proc/PID/smaps file, to determine the vDSO mapping range.  GDB opens
and reads the whole file just once, and caches the result, but even
that is too slow.  For example, with almost 8000 threads:

 $ ls /proc/3518/task/ | wc -l
 7906

reading the /proc/PID/smaps file grepping for "vdso" takes over 15
seconds :

 $ time cat /proc/3518/smaps | grep vdso
 7ffdbafee000-7ffdbaff0000 r-xp 00000000 00:00 0                          [vdso]

 real    0m15.371s
 user    0m0.008s
 sys     0m15.017s

Looking around the web for hints, I found a nice description of the
issue here:

 http://backtrace.io/blog/blog/2014/11/12/large-thread-counts-and-slow-process-maps/

The problem is that /proc/PID/smaps wants to show the mappings as
being thread stack, and that has the kernel iterating over all threads
in the thread group, for each mapping.

The fix is to use the "map" file under /proc/PID/task/PID/ instead of
the /proc/PID/ one, as the former doesn't mark thread stacks for all
threads.

That alone drops the timing to the millisecond range on my machine:

 $ time cat /proc/3518/task/3518/smaps | grep vdso
 7ffdbafee000-7ffdbaff0000 r-xp 00000000 00:00 0                          [vdso]

 real    0m0.150s
 user    0m0.009s
 sys     0m0.084s

And since we only need the vdso mapping's address range, we can use
"maps" file instead of "smaps", and it's even cheaper:

/proc/PID/task/PID/maps :

 $ time cat /proc/3518/task/3518/maps | grep vdso
 7ffdbafee000-7ffdbaff0000 r-xp 00000000 00:00 0                          [vdso]

 real    0m0.027s
 user    0m0.000s
 sys     0m0.017s

gdb/ChangeLog:
2016-05-24  Pedro Alves  <palves@redhat.com>

PR gdb/19828
* linux-tdep.c (find_mapping_size): Delete.
(linux_vsyscall_range_raw): Rewrite reading from
/proc/PID/task/PID/maps directly instead of using
gdbarch_find_memory_regions.

8 years agoLinux native thread create/exit events support
Pedro Alves [Tue, 24 May 2016 13:47:56 +0000 (14:47 +0100)]
Linux native thread create/exit events support

A following patch (fix for gdb/19828) makes linux-nat.c add threads to
GDB's thread list earlier in the "attach" sequence, and that causes a
surprising regression on
gdb.threads/attach-many-short-lived-threads.exp on my machine.  The
extra "thread x exited" handling and traffic slows down that test
enough that GDB core has trouble keeping up with new threads that are
spawned while trying to stop existing ones.

I saw the exact same issue with remote/gdbserver a while ago and fixed
it in 65706a29bac5 (Remote thread create/exit events) so part of the
fix here is the exact same -- add support for thread created events to
gdb/linux-nat.c.  infrun.c:stop_all_threads enables those events when
it tries to stop threads, which ensures that new threads never get a
chance to themselves start new threads, thus fixing the race.

gdb/
2016-05-24  Pedro Alves  <palves@redhat.com>

PR gdb/19828
* linux-nat.c (report_thread_events): New global.
(linux_handle_extended_wait): Report
TARGET_WAITKIND_THREAD_CREATED if thread event reporting is
enabled.
(wait_lwp, linux_nat_filter_event): Report all thread exits if
thread event reporting is enabled.  Remove comment.
(filter_exit_event): New function.
(linux_nat_wait_1): Use it.
(linux_nat_thread_events): New function.
(linux_nat_add_target): Install it as target_thread_events method.

8 years agoMIPS/GAS: Treat local jump relocs the same no matter if REL or RELA
Maciej W. Rozycki [Tue, 24 May 2016 12:54:31 +0000 (13:54 +0100)]
MIPS/GAS: Treat local jump relocs the same no matter if REL or RELA

Do not convert jump relocs against local MIPS16 or microMIPS symbols to
refer to a section symbol instead even on RELA targets, as it makes it
impossible for the linker to make a JAL to JALX conversion based on ISA
symbol annotation, breaking regular and compressed MIPS interlinking.

gas/
* config/tc-mips.c (mips_fix_adjustable): Also return 0 for
jump relocations against MIPS16 or microMIPS symbols on RELA
targets.
* testsuite/gas/mips/jalx-local.d: New test.
* testsuite/gas/mips/jalx-local-n32.d: New test.
* testsuite/gas/mips/jalx-local-n64.d: New test.
* testsuite/gas/mips/jalx-local.s: New test source.
* testsuite/gas/mips/mips.exp: Run the new tests.

ld/
* testsuite/ld-mips-elf/jalx-local.d: New test.
* testsuite/ld-mips-elf/jalx-local-n32.d: New test.
* testsuite/ld-mips-elf/jalx-local-n64.d: New test.
* testsuite/ld-mips-elf/mips-elf.exp: Run the new tests.

8 years agoMIPS/GAS: Cut TLS reloc dead code path in `md_apply_fix'
Maciej W. Rozycki [Tue, 24 May 2016 13:05:19 +0000 (14:05 +0100)]
MIPS/GAS: Cut TLS reloc dead code path in `md_apply_fix'

With code refactoring made in commit b886a2ab0d52 and the addition of
`calculate_reloc' and a separate test for TLS relocs against constants
made there the preexisting fall-through from the TLS reloc switch case
has effectively become a dead execution path.  This is because the call
to `calculate_reloc' present there is only made if `fixP->fx_done' is
true, which can only be the case if `fixP->fx_addsy' is NULL, which in
turn has already triggered the TLS reloc test and made execution break
out of the switch statement.

Remove the fall-through then and reshape code accordingly.

gas/
* config/tc-mips.c (md_apply_fix)
<BFD_RELOC_MIPS16_TLS_TPREL_LO16>: Remove fall-through, adjust
code accordingly.

8 years agoxtensa: make map_suffix_reloc_to_operator return operatorT
Trevor Saunders [Mon, 23 May 2016 04:39:47 +0000 (00:39 -0400)]
xtensa: make map_suffix_reloc_to_operator return operatorT

It always returns an element of the enum operatorT, so it should be clearer to
make that the return type.

gas/ChangeLog:

2016-05-24  Trevor Saunders  <tbsaunde+binutils@tbsaunde.org>

* config/tc-xtensa.c (struct suffix_reloc_map): Change type of field
operator to operatorT.
(map_suffix_reloc_to_operator): Change return type to operatorT.

8 years agod30v: make var type operatorT
Trevor Saunders [Sun, 22 May 2016 07:39:00 +0000 (03:39 -0400)]
d30v: make var type operatorT

gas/ChangeLog:

2016-05-24  Trevor Saunders  <tbsaunde+binutils@tbsaunde.org>

* config/tc-d30v.c (find_format): Change type of X_op to operatorT.

8 years agommix: constify handler_charp
Trevor Saunders [Sun, 22 May 2016 04:32:22 +0000 (00:32 -0400)]
mmix: constify handler_charp

gas/ChangeLog:

2016-05-24  Trevor Saunders  <tbsaunde+binutils@tbsaunde.org>

* config/tc-mmix.c (mmix_parse_predefined_name): Change type of
handler_charp to const char *.

8 years agoft32: fixup TARGET_FORMAT
Trevor Saunders [Sat, 21 May 2016 08:21:32 +0000 (04:21 -0400)]
ft32: fixup TARGET_FORMAT

Nothing ever assigns to ft32_target_format, so its always null, which means the
bfd target arch is the default one.  It looks like ft32 only has one target
format, so we can just define TARGET_FORMAT to be that literal string.

gas/ChangeLog:

2016-05-24  Trevor Saunders  <tbsaunde+binutils@tbsaunde.org>

* config/tc-ft32.h (DEFAULT_TARGET_FORMAT): Remove.
(ft32_target_format): Likewise.
(TARGET_FORMAT): Adjust.

8 years agoia64: use XOBNEW and XOBNEWVEC
Trevor Saunders [Fri, 20 May 2016 10:33:35 +0000 (06:33 -0400)]
ia64: use XOBNEW and XOBNEWVEC

gas/ChangeLog:

2016-05-24  Trevor Saunders  <tbsaunde+binutils@tbsaunde.org>

* config/tc-ia64.c (dot_rot): simplify allocations from obstacks.
(ia64_frob_label): Likewise.

8 years agochange some variable's type to op_err
Trevor Saunders [Fri, 13 May 2016 08:05:59 +0000 (04:05 -0400)]
change some variable's type to op_err

They only hold values from the op_err enum, so it should be clearer to give
them the enum type.

gas/ChangeLog:

2016-05-24  Trevor Saunders  <tbsaunde+binutils@tbsaunde.org>

* config/tc-cr16.c (check_range): Make type of retval op_err.
* config/tc-crx.c: Likewise.

8 years agoFix syntax error in annota-input-while-running.exp
Francis Ricci [Tue, 24 May 2016 11:07:00 +0000 (12:07 +0100)]
Fix syntax error in annota-input-while-running.exp

This patch fixes a syntax error which caused a failure in
annota-input-while-running.exp to crash the test suite runner.

2016-05-24  Francis Ricci  <francisjricci@gmail.com>

* gdb.base/annota-input-while-running.exp: Fix syntax error.

8 years agoAdd myself as a write-after-approval GDB maintainer
Yan-Ting Lin [Tue, 24 May 2016 08:41:13 +0000 (16:41 +0800)]
Add myself as a write-after-approval GDB maintainer

gdb/ChangeLog:

* MAINTAINERS (Write After Approval): Add "Yan-Ting Lin".

8 years agoAutomatic date update in version.in
GDB Administrator [Tue, 24 May 2016 00:00:18 +0000 (00:00 +0000)]
Automatic date update in version.in

8 years agoEnable R_AARCH64_NONE for 64-bit code.
Jim Wilson [Mon, 23 May 2016 23:38:21 +0000 (16:38 -0700)]
Enable R_AARCH64_NONE for 64-bit code.

* elfnn-aarch64.c: Unconditionally enable R_AARCH64_NULL and
R_AARCH64_NONE.  Use HOWTO64 for R_AARCH64_NULL.
* relocs.c: Add BFD_RELOC_AARCH64_NULL.
* bfd-in2.h: Regenerate.
* libbfd.h: Likewise.

8 years agoSkip unwritable frames in command "finish"
Yao Qi [Mon, 23 May 2016 16:32:56 +0000 (17:32 +0100)]
Skip unwritable frames in command "finish"

Nowadays, GDB can't insert breakpoint on the return address of the
exception handler on ARM M-profile, because the address is a magic
one 0xfffffff9,

 (gdb) bt
 #0  CT32B1_IRQHandler () at ../src/timer.c:67
 #1  <signal handler called>
 #2  main () at ../src/timer.c:127

(gdb) info frame
Stack level 0, frame at 0x200ffa8:
 pc = 0x4ec in CT32B1_IRQHandler (../src/timer.c:67); saved pc = 0xfffffff9
 called by frame at 0x200ffc8
 source language c.
 Arglist at 0x200ffa0, args:
 Locals at 0x200ffa0, Previous frame's sp is 0x200ffa8
 Saved registers:
  r7 at 0x200ffa0, lr at 0x200ffa4

(gdb) x/x 0xfffffff9
0xfffffff9:     Cannot access memory at address 0xfffffff9

(gdb) finish
Run till exit from #0  CT32B1_IRQHandler () at ../src/timer.c:67
Ed:15: Target error from Set break/watch: Et:96: Pseudo-address (0xFFFFFFxx) for EXC_RETURN is invalid (GDB error?)

Warning:
Cannot insert hardware breakpoint 0.
Could not insert hardware breakpoints:
You may have requested too many hardware breakpoints/watchpoints.

Command aborted.

even some debug probe can't set hardware breakpoint on the magic
address too,

(gdb) hbreak *0xfffffff9
Hardware assisted breakpoint 2 at 0xfffffff9
(gdb) c
Continuing.
Ed:15: Target error from Set break/watch: Et:96: Pseudo-address (0xFFFFFFxx) for EXC_RETURN is invalid (GDB error?)

Warning:
Cannot insert hardware breakpoint 2.
Could not insert hardware breakpoints:
You may have requested too many hardware breakpoints/watchpoints.

Command aborted.

The problem described above is quite similar to PR 8841, in which GDB
can't set breakpoint on signal trampoline, which is mapped to a read-only
page by kernel.  The rationale of this patch is to skip "unwritable"
frames when looking for caller frames in command "finish", and a new
gdbarch method code_of_frame_writable is added.  This patch fixes
the problem on ARM cortex-m target, but it can be used to fix
PR 8841 too.

gdb:

2016-05-10  Yao Qi  <yao.qi@arm.com>

* arch-utils.c (default_code_of_frame_writable): New function.
* arch-utils.h (default_code_of_frame_writable): Declare.
* arm-tdep.c (arm_code_of_frame_writable): New function.
(arm_gdbarch_init): Install gdbarch method
code_of_frame_writable if the target is M-profile.
* frame.c (skip_unwritable_frames): New function.
* frame.h (skip_unwritable_frames): Declare.
* gdbarch.sh (code_of_frame_writable): New.
* gdbarch.c, gdbarch.h: Re-generated.
* infcmd.c (finish_command): Call skip_unwritable_frames.

8 years agoFix PR python/19438, PR python/18393 - initialize dictionaries
Tom Tromey [Thu, 19 May 2016 03:19:17 +0000 (21:19 -0600)]
Fix PR python/19438, PR python/18393 - initialize dictionaries

This fixes PR python/19438 and PR python/18393.  Both bugs are about
invoking dir() on some Python object implemented by gdb, and getting a
crash.

The crash happens because the dictionary field of these objects was
not initialized.  Apparently what happens is that this field can be
lazily initialized by Python when assigning to an attribute; and it
can also be handled ok when using dir() but without __dict__ defined;
but gdb defines __dict__ because this isn't supplied automatically by
Python.

The docs on this seem rather sparse, but this patch works ok.

An alternative might be to lazily create the dictionary in
gdb_py_generic_dict, but I went with this approach because it seemed
more straightforward.

Built and regtested on x86-64 Fedora 23.

2016-05-23  Tom Tromey  <tom@tromey.com>

PR python/19438, PR python/18393:
* python/py-objfile.c (objfpy_initialize): Initialize self->dict.
* python/py-progspace.c (pspy_initialize): Initialize self->dict.

2016-05-23  Tom Tromey  <tom@tromey.com>

PR python/19438, PR python/18393:
* gdb.python/py-progspace.exp: Add "dir" test.
* gdb.python/py-objfile.exp: Add "dir" test.

8 years ago[ARC] Update instruction type and delay slot info.
Claudiu Zissulescu [Thu, 19 May 2016 10:19:32 +0000 (12:19 +0200)]
[ARC] Update instruction type and delay slot info.

This patch corrects the instructioninformation passed into the
disassebler_info structure.

include/
2016-05-23  Claudiu Zissulescu  <claziss@synopsys.com>

* opcode/arc.h (insn_subclass_t): Add COND.
(flag_class_t): Add F_CLASS_EXTEND.

opcodes/
2016-05-23  Claudiu Zissulescu  <claziss@synopsys.com>

* arc-dis.c (print_flags): Set branch_delay_insns, and insn_type
information.
(print_insn_arc): Set insn_type information.
* arc-opc.c (C_CC): Add F_CLASS_COND.
* arc-tbl.h (bbit0, bbit1): Update subclass to COND.
(beq_s, bge_s, bgt_s, bhi_s, bhs_s): Likewise.
(ble_s, blo_s, bls_s, blt_s, bne_s): Likewise.
(breq, breq_s, brge, brhs, brlo, brlt): Likewise.
(brne, brne_s, jeq_s, jne_s): Likewise.

8 years ago[ARC] Add XY registers, update neg instruction.
Claudiu Zissulescu [Thu, 19 May 2016 10:33:17 +0000 (12:33 +0200)]
[ARC] Add XY registers, update neg instruction.

gas/
2016-05-23  Claudiu Zissulescu  <claziss@synopsys.com>

* config/tc-arc.c (md_begin): Add XY registers.
(cpu_types): Code density is default off for ARC EM.

opcodes/
2016-05-23  Claudiu Zissulescu  <claziss@synopsys.com>

* arc-tbl.h (neg): New instruction variant.

8 years ago[ARC] Rename "class" named attributes.
Claudiu Zissulescu [Mon, 23 May 2016 15:25:46 +0000 (17:25 +0200)]
[ARC] Rename "class" named attributes.

gas/
2016-05-23  Cupertino Miranda  <cmiranda@synopsys.com>

* config/tc-arc.c (attributes_t): Renamed attribute class to
attr_class.
(find_opcode_match, assemble_insn, tokenize_extinsn): Changed.

opcode/
2016-05-23  Cupertino Miranda  <cmiranda@synopsys.com>

* arc-dis.c (find_format, find_format, get_auxreg)
(print_insn_arc): Changed.
* arc-ext.h (INSERT_XOP): Likewise.

include/
2016-05-23  Cupertino Miranda  <cmiranda@synopsys.com>

* opcode/arc.h (struct arc_opcode): Renamed attribute class to
insn_class.
(struct arc_flag_class): Renamed attribute class to flag_class.

8 years agoUse standard_testfile in gdb.arch/thumb-prologue.exp and gdb.arch/thumb2-it.exp
Yao Qi [Mon, 23 May 2016 14:45:12 +0000 (15:45 +0100)]
Use standard_testfile in gdb.arch/thumb-prologue.exp and gdb.arch/thumb2-it.exp

This patch fixes the errors below:

Running /home/yao/SourceCode/gnu/gdb/git/gdb/testsuite/gdb.arch/thumb-prologue.exp ...
gdb compile failed, arm-linux-gnueabihf/bin/ld: cannot open output file /scratch/yao/gdb/build-git/arm-linux-gnueabihf/gdb/testsuite/gdb.arch/thumb-prologue: No such file or directory
collect2: error: ld returned 1 exit status
Running /home/yao/SourceCode/gnu/gdb/git/gdb/testsuite/gdb.arch/thumb2-it.exp ...
gdb compile failed, arm-linux-gnueabihf/bin/ld: cannot open output file /scratch/yao/gdb/build-git/arm-linux-gnueabihf/gdb/testsuite/gdb.arch/thumb2-it: No such file or directory

gdb/testsuite:

2016-05-23  Yao Qi  <yao.qi@linaro.org>

* gdb.arch/thumb-prologue.exp: Use standard_testfile.
* gdb.arch/thumb2-it.exp: Likewise.

8 years agooops - omitted from previous delta
Nick Clifton [Mon, 23 May 2016 12:56:46 +0000 (13:56 +0100)]
oops - omitted from previous delta

8 years agoAdd support for configuring for the ARM Phoenix target.
Kuba Sejdak [Mon, 23 May 2016 12:53:07 +0000 (13:53 +0100)]
Add support for configuring for the ARM Phoenix target.

bfd * config.bfd: Add entry for arm-phoenix.

gas * configuse.tgt: Add entry for arm-phoenix.

ld * Makefile.am: Add earmelf_phoenix.c.
* Makefile.in: Regenerate.
* configure.tgt: Add entry for arm-phoenix.
* emulparams/armelf_phoenix.sh: New file.

8 years agoRemove unused libthread_db td_thr_validate reference
Gary Benson [Mon, 23 May 2016 12:26:47 +0000 (13:26 +0100)]
Remove unused libthread_db td_thr_validate reference

Native GDB looks up the function td_thr_validate from libthread_db.so
on Linux, but the value is never used.  This commit removes this dead
code.

gdb/ChangeLog:

* nat/gdb_thread_db.h (td_thr_validate_ftype): Remove typedef.
* linux-thread-db.c (struct thread_db_info) <td_thr_validate_p>:
Remove field.
(try_thread_db_load_1): Remove td_thr_validate initialization.

8 years agoSync config.guess and config.sub with FSF GCC mainline versions
Nick Clifton [Mon, 23 May 2016 10:42:17 +0000 (11:42 +0100)]
Sync config.guess and config.sub with FSF GCC mainline versions

8 years agoSupport for dedicated ARM stub section with padding
Thomas Preud'homme [Mon, 23 May 2016 08:41:36 +0000 (09:41 +0100)]
Support for dedicated ARM stub section with padding

2016-05-23  Thomas Preud'homme  <thomas.preudhomme@arm.com>

bfd/
* elf32-arm.c (arm_dedicated_stub_section_padding): New function.
(elf32_arm_size_stubs): Declare stub_type in a more outer scope and
account for padding for stub section requiring one.
(elf32_arm_build_stubs): Add comment to stress the importance of
zeroing veneer section content.

8 years agoSupport for dedicated output section for some ARM veneer types
Thomas Preud'homme [Mon, 23 May 2016 08:38:32 +0000 (09:38 +0100)]
Support for dedicated output section for some ARM veneer types

2016-05-23  Thomas Preud'homme  <thomas.preudhomme@arm.com>

bfd/
* bfd-in.h (bfd_elf32_arm_keep_private_stub_output_sections): Declare
bfd hook.
* bfd-in2.h: Regenerate.
* elf32-arm.c (arm_dedicated_stub_output_section_required): New
function.
(arm_dedicated_stub_output_section_required_alignment): Likewise.
(arm_dedicated_stub_output_section_name): Likewise.
(arm_dedicated_stub_input_section_ptr): Likewise.
(elf32_arm_create_or_find_stub_sec): Add stub type parameter and
function description comment. Add support for dedicated output stub
section to given stub types.
(elf32_arm_add_stub): Add a stub type parameter and pass it down to
elf32_arm_create_or_find_stub_sec.
(elf32_arm_create_stub): Pass stub type down to elf32_arm_add_stub.
(elf32_arm_size_stubs): Pass stub type when calling
elf32_arm_create_or_find_stub_sec for Cortex-A8 erratum veneers.
(bfd_elf32_arm_keep_private_stub_output_sections): New function.

ld/
* emultempl/armelf.em (arm_elf_before_allocation): Call
bfd_elf32_arm_keep_private_stub_output_sections before generic
before_allocation function.

8 years agoSearch for libutil-freebsd as alternative to libutil
Jon Boden [Mon, 23 May 2016 07:46:33 +0000 (08:46 +0100)]
Search for libutil-freebsd as alternative to libutil

GDB needs kinfo_getvmmap() on GNU/kFreeBSD systems same as on
pure FreeBSD.  However on these systems the FreeBSD version of libutil
is renamed to libutil-freebsd.

2016-05-23  Jon Boden  <jon@ubuntubsd.org>

* configure.ac: Search for libutil-freebsd as alternative to libutil.
* configure: Re-generated.

8 years agotic54x: use concat more
Trevor Saunders [Thu, 19 May 2016 02:48:34 +0000 (22:48 -0400)]
tic54x: use concat more

gas/ChangeLog:

2016-05-23  Trevor Saunders  <tbsaunde+binutils@tbsaunde.org>

* config/tc-tic54x.c (tic54x_sect): simplify string creation.

8 years agospu: make some constants unsigned
Trevor Saunders [Thu, 19 May 2016 02:39:18 +0000 (22:39 -0400)]
spu: make some constants unsigned

The field in spu_opcode is unsigned, and for some values of opcode we can end
up shifting into the high bit.  So avoid possibly creating a negative number
and then assigning it to a unsigned field by shifting an unsigned constant.

gas/ChangeLog:

2016-05-23  Trevor Saunders  <tbsaunde+binutils@tbsaunde.org>

* config/tc-spu.c (APUOP): Use OPCODE as an unsigned constant.

8 years agotic54x: rename typedef of struct symbol_
Trevor Saunders [Thu, 19 May 2016 03:48:48 +0000 (23:48 -0400)]
tic54x: rename typedef of struct symbol_

generic gas code has a struct symbol, and tic54x typedefs a struct to symbol.
This seems at least rather confusing, and it seems like target specific headers
shouldn't  put such generic names in the global namespace preventing other
generic code from using them.

opcodes/ChangeLog:

2016-05-23  Trevor Saunders  <tbsaunde+binutils@tbsaunde.org>

* tic54x-dis.c (sprint_mmr): Adjust.
* tic54x-opc.c: Likewise.

gas/ChangeLog:

2016-05-23  Trevor Saunders  <tbsaunde+binutils@tbsaunde.org>

* config/tc-tic54x.c (tic54x_mmregs): Adjust.
(md_begin): Likewise.
(encode_condition): Likewise.
(encode_cc3): Likewise.
(encode_cc2): Likewise.
(encode_operand): Likewise.
(tic54x_undefined_symbol): Likewise.

include/ChangeLog:

2016-05-23  Trevor Saunders  <tbsaunde+binutils@tbsaunde.org>

* opcode/tic54x.h (struct symbol_): typedef to tic54x_symbol instead of
plain symbol.

8 years agoAutomatic date update in version.in
GDB Administrator [Mon, 23 May 2016 00:00:19 +0000 (00:00 +0000)]
Automatic date update in version.in

8 years agoAutomatic date update in version.in
GDB Administrator [Sun, 22 May 2016 00:00:19 +0000 (00:00 +0000)]
Automatic date update in version.in

8 years agoAutomatic date update in version.in
GDB Administrator [Sat, 21 May 2016 00:00:22 +0000 (00:00 +0000)]
Automatic date update in version.in

8 years agoDon't check R_386_GOT32 when setting need_convert_load
H.J. Lu [Fri, 20 May 2016 16:36:48 +0000 (09:36 -0700)]
Don't check R_386_GOT32 when setting need_convert_load

Since we no longer convert R_386_GOT32, don't check R_386_GOT32 when
setting need_convert_load.

* elf32-i386.c (elf_i386_check_relocs): Don't check R_386_GOT32
when setting need_convert_load.

8 years agoMIPS: Add support for P6600
Matthew Fortune [Fri, 20 May 2016 14:20:42 +0000 (15:20 +0100)]
MIPS: Add support for P6600

gas/
* config/tc-mips.c (mips_cpu_info_table): Update comment. Add
p6600 entry.
* doc/c-mips.texi: Document p6600 -march option.

8 years agoPreserve addend for R_386_GOT32 and R_X86_64_GOT32
H.J. Lu [Fri, 20 May 2016 13:01:28 +0000 (06:01 -0700)]
Preserve addend for R_386_GOT32 and R_X86_64_GOT32

We should preserve addend for R_386_GOT32 and R_X86_64_GOT32 as in
"movl $foo@GOT + 4, %eax" and "movq $foo@GOT + 4, %rax".

PR gas/19600
* config/tc-i386.c (md_apply_fix): Preserve addend for
BFD_RELOC_386_GOT32 and BFD_RELOC_X86_64_GOT32.
* testsuite/gas/i386/addend.d: New file.
* testsuite/gas/i386/addend.s: Likewise.
* testsuite/gas/i386/x86-64-addend.d: Likewise.
* testsuite/gas/i386/x86-64-addend.s: Likewise.
* testsuite/gas/i386/i386.exp: Run addend and x86-64-addend.
* testsuite/gas/i386/reloc32.d: Updated.

8 years agoMIPS: Fix the encoding of immediates with microMIPS JALX
Maciej W. Rozycki [Fri, 20 May 2016 12:32:19 +0000 (13:32 +0100)]
MIPS: Fix the encoding of immediates with microMIPS JALX

The microMIPS JALX instruction shares the R_MICROMIPS_26_S1 relocation
with microMIPS J/JAL/JALS instructions, however unlike the latters its
encoded immediate argument is unusually shifted left by 2 rather than 1
in calculating the value used for the operation requested.

We already handle this exception in `mips_elf_calculate_relocation' in
LD, in a scenario where JALX is produced as a result of relaxing JAL for
the purpose of making a cross-mode jump.  We also get it right in the
disassembler in `decode_micromips_operand'.

What we don't correctly do however is processing microMIPS JALX produced
by GAS from an assembly source, where a non-zero constant argument or a
symbol reference with a non-zero in-place addend has been used.  In this
case the same calculation is made as for microMIPS J/JAL/JALS, causing
the wrong encoding to be produced by GAS on making an object file, and
then again by LD in the final link.  The latter in particular causes the
calculation, where the addend fits in the relocatable field, to produce
different final addresses for the same source code depending on whether
REL or RELA relocations are used.

Correct these issues by special-casing microMIPS JALX in the places that
have been previously missed.

bfd/
* elfxx-mips.c (mips_elf_read_rel_addend): Adjust the addend for
microMIPS JALX.

gas/
* config/tc-mips.c (append_insn): Correct the encoding of a
constant argument for microMIPS JALX.
(tc_gen_reloc): Correct the encoding of an in-place addend for
microMIPS JALX.
* testsuite/gas/mips/jalx-addend.d: New test.
* testsuite/gas/mips/jalx-addend-n32.d: New test.
* testsuite/gas/mips/jalx-addend-n64.d: New test.
* testsuite/gas/mips/jalx-imm.d: New test.
* testsuite/gas/mips/jalx-imm-n32.d: New test.
* testsuite/gas/mips/jalx-imm-n64.d: New test.
* testsuite/gas/mips/jalx-addend.s: New test source.
* testsuite/gas/mips/jalx-imm.s: New test source.
* testsuite/gas/mips/mips.exp: Run the new tests.

ld/
* testsuite/ld-mips-elf/jalx-addend.d: New test.
* testsuite/ld-mips-elf/jalx-addend-n32.d: New test.
* testsuite/ld-mips-elf/jalx-addend-n64.d: New test.
* testsuite/ld-mips-elf/mips-elf.exp: Run the new tests.

8 years agoMIPS/GAS: Correct tab-after-space formatting mistakes
Maciej W. Rozycki [Fri, 20 May 2016 11:41:50 +0000 (12:41 +0100)]
MIPS/GAS: Correct tab-after-space formatting mistakes

* config/tc-mips.c: Correct tab-after-space formatting mistakes
throughout.

8 years agoAutomatic date update in version.in
GDB Administrator [Fri, 20 May 2016 00:00:10 +0000 (00:00 +0000)]
Automatic date update in version.in

8 years agoDon't allow COPY relocations for protected symbols.
Cary Coutant [Thu, 19 May 2016 21:58:18 +0000 (14:58 -0700)]
Don't allow COPY relocations for protected symbols.

gold/
PR gold/19823
* copy-relocs.cc (Copy_relocs::make_copy_reloc): Add object
parameter; check for protected symbol.
* copy-relocs.h (Copy_relocs::make_copy_reloc): Add object parameter.
* mips.cc (Mips_copy_relocs): Adjust call to make_copy_reloc.
* symtab.cc (Symbol::init_fields): Initialize is_protected_.
(Symbol_table::add_from_dynobj): Mark protected symbols.
* symtab.h (Symbol::is_protected): New method.
(Symbol::set_is_protected): New method.
(Symbol::is_protected_): New data member.

* testsuite/Makefile.am (copy_test_protected): New test.
* testsuite/Makefile.in: Regenerate.
* testsuite/copy_test.cc (main): Add legal reference to protected
symbol.
* testsuite/copy_test_v1.cc (main): Likewise.
* testsuite/copy_test_2.cc (ip): Add protected symbol.
* testsuite/copy_test_protected.cc: New test source file.
* testsuite/copy_test_protected.sh: New test script.

8 years agoFix non-deterministic behavior when generating MIPS GOT.
Vladimir Radosavljevic [Thu, 19 May 2016 21:57:14 +0000 (14:57 -0700)]
Fix non-deterministic behavior when generating MIPS GOT.

* mips.cc (Mips_got_entry::Mips_got_entry): Remove object argument
for global got symbols, and set addend to 0.
(Mips_got_entry::hash): Change hash algorithm.
(Mips_got_entry::equals): Refactor.
(Mips_got_entry::object): Return input object for local got symbols
from union d.
(Mips_got_entry::addend): Change return of the relocation addend.
(Mips_got_entry::addend_): Move from union d.
(Mips_got_entry::object_): Move into union d.
(class Mips_symbol_hash): New class.
(Mips_got_info::Global_got_entry_set): New type.
(Mips_got_info::global_got_symbols): Change return type to
Global_got_entry_set.
(Mips_got_info::global_got_symbols_): Change type to
Global_got_entry_set.
(Mips_symbol::hash): New method.
(Mips_output_data_la25_stub::symbols_): Change type to std::vector.
(Mips_output_data_mips_stubs::Mips_stubs_entry_set): New type.
(Mips_output_data_mips_stubs::symbols_): Change type to
Mips_stubs_entry_set.
(Mips_got_info::record_global_got_symbol): Don't pass object
argument when creating global got symbol.
(Mips_got_info::record_got_entry): Remove find before inserting
got entries.
(Mips_got_info::add_reloc_only_entries): Change type of iterator
to Global_got_entry_set.
(Mips_got_info::count_got_symbols): Likewise.
(Mips_output_data_la25_stub::create_la25_stub): Use push_back
for adding entries to symbols_.
(Mips_output_data_la25_stub::do_write): Change type of iterator
to std::vector.
(Mips_output_data_mips_stubs::set_lazy_stub_offsets): Change type
of iterator to Mips_stubs_entry_set.
(Mips_output_data_mips_stubs::set_needs_dynsym_value): Likewise.
(Mips_output_data_mips_stubs::do_write): Likewise.

8 years agoDon't convert R_386_GOT32 relocation
H.J. Lu [Thu, 19 May 2016 19:56:55 +0000 (12:56 -0700)]
Don't convert R_386_GOT32 relocation

Don't convert R_386_GOT32 since we can't tell if it is applied
to "mov $foo@GOT, %reg" which isn't a load via GOT.

bfd/

PR ld/20117
* elf32-i386.c (elf_i386_convert_load_reloc): Don't check
R_386_GOT32X.
(elf_i386_convert_load): Don't convert R_386_GOT32.

ld/

PR ld/20117
* testsuite/ld-i386/i386.exp: Run pr20117.
* testsuite/ld-i386/pr19609-1i.d: Updated.
* testsuite/ld-i386/pr20117.d: New file.
* testsuite/ld-i386/pr20117.s: Likewise.

8 years agoSet sh_entsize for .init_array and similar.
Alan Modra [Thu, 19 May 2016 15:03:42 +0000 (00:33 +0930)]
Set sh_entsize for .init_array and similar.

PR gas/20118
* elf.c (elf_fake_sections): Set sh_entsize for SHT_INIT_ARRAY,
SHT_FINI_ARRAY, and SHT_PREINIT_ARRAY.

8 years agoFix invalid implicit conversions from void *
Andreas Schwab [Thu, 19 May 2016 12:43:56 +0000 (14:43 +0200)]
Fix invalid implicit conversions from void *

* ia64-libunwind-tdep.c (libunwind_descr): Add cast from void *.
(libunwind_frame_set_descr): Likewise.
(libunwind_frame_cache): Likewise.
(libunwind_frame_dealloc_cache): Likewise.
(libunwind_frame_sniffer): Likewise.
(libunwind_search_unwind_table): Likewise.
(libunwind_sigtramp_frame_sniffer): Likewise.
(libunwind_get_reg_special): Likewise.
(libunwind_load): Likewise.
* ia64-linux-nat.c (ia64_linux_fetch_register): Likewise.
(ia64_linux_store_register): Likewise.
(ia64_linux_xfer_partial): Likewise.
* ia64-tdep.c (ia64_access_reg): Likewise.
(ia64_access_fpreg): Likewise.
(ia64_access_rse_reg): Likewise.
(ia64_access_rse_fpreg): Likewise.

8 years ago[ARC] Fixed-linker-related-testsuite-for-ARC
Claudiu Zissulescu [Thu, 19 May 2016 12:51:53 +0000 (14:51 +0200)]
[ARC] Fixed-linker-related-testsuite-for-ARC

ld/
2016-05-19  Cupertino Miranda  <cmiranda@synopsys.com>

* testsuite/ld-elf/compressed1d.d: Removed from notarget.
* testsuite/ld-elf/group8a.d: Likewise.
* testsuite/ld-elf/group8b.d: Likewise.
* testsuite/ld-elf/group9a.d: Likewise.
* testsuite/ld-elf/group9b.d: Likewise.
* testsuite/ld-elf/pr12851.d: Likewise.
* testsuite/ld-elf/pr12975.d: Likewise.
* testsuite/ld-elf/pr13177.d: Likewise.
* testsuite/ld-elf/pr13195.d: Likewise.
* testsuite/ld-elf/pr17615.d: Likewise.
* testsuite/ld-elf/eh-frame-hdr.d: Removed from xfail.
* testsuite/ld-elf/group3b.d: Likewise.
* testsuite/ld-srec/srec.exp: Likewise.
* testsuite/lib/ld-lib.exp (check_gc_sections_available): Mark ARC
as supporting gc.
(check_shared_lib_support): Mark ARC as supporting.

8 years ago[ARC] Emulation and default script template changes.
Claudiu Zissulescu [Thu, 19 May 2016 12:44:01 +0000 (14:44 +0200)]
[ARC] Emulation and default script template changes.

2016-05-19  Cupertino Miranda  <cmiranda@synopsys.com>

* emulparams/arcelf.sh: Changed.
* emulparams/arclinux.sh: Likewise.
* scripttempl/arclinux.sc: Moved to a more standard implementation
similar to elf.sc.

8 years ago[ARC] BFD fixes.
Claudiu Zissulescu [Thu, 19 May 2016 12:39:36 +0000 (14:39 +0200)]
[ARC] BFD fixes.

2016-05-19  Cupertino Miranda  <cmiranda@synopsys.com>

* elf32-arc.c (arc_elf_final_write_processing): Changed.
(debug_arc_reloc): Likewise.
(elf_arc_relocate_section): Likewise.
(elf_arc_check_relocs): Likewise.
(elf_arc_adjust_dynamic_symbol): Likewise.
(elf_arc_add_symbol_hook): Likewise.

8 years agoLD/testsuite: Fix `ft32-*-*' position in `check_shared_lib_support'
Maciej W. Rozycki [Thu, 19 May 2016 10:19:04 +0000 (11:19 +0100)]
LD/testsuite: Fix `ft32-*-*' position in `check_shared_lib_support'

ld/
* testsuite/lib/ld-lib.exp (check_shared_lib_support): Reorder
`ft32-*-*' behind `frv-*-*'.

8 years agoRemove unsupported `am34-*-linux*' target triplet
Maciej W. Rozycki [Wed, 18 May 2016 03:19:02 +0000 (04:19 +0100)]
Remove unsupported `am34-*-linux*' target triplet

The `am34-*-linux*' target cannot be configured for, `am34' is not a CPU
name recognized by `config.sub'.  It has never been, required code has
not been contributed to GNU config, neither before nor since the
addition of the target triplet to our configury with commit bfff16424942
("Add MN10300 linker relaxation support for symbol differences") back in
2007.  Also there is no difference in actual tool configuration between
the `am34-*-linux*' and `am33_2.0-*-linux*' targets, except from a
different executable prefix and tooldir name.

Given the above remove the target triplet from our configuration.

bfd/
* config.bfd: Remove `am34-*-linux*' support.

ld/
* configure.tgt: Remove `am34-*-linux*' support.

8 years agoCorrect "Fix powerpc subis range"
Alan Modra [Thu, 19 May 2016 07:24:54 +0000 (16:54 +0930)]
Correct "Fix powerpc subis range"

* ppc-opc.c (NSISIGNOPT): Use insert_nsi and extract_nsi.

8 years agoFix powerpc subis range
Alan Modra [Wed, 18 May 2016 14:40:35 +0000 (00:10 +0930)]
Fix powerpc subis range

* ppc-opc.c: Formatting.
(NSISIGNOPT): Define.
(powerpc_opcodes <subis>): Use NSISIGNOPT.

8 years agoHack crossref tests for powerpc64
Alan Modra [Wed, 18 May 2016 14:40:13 +0000 (00:10 +0930)]
Hack crossref tests for powerpc64

A different set of hacks to make the crossref tests pass on powerpc64
and powerpc64le.

* testsuite/ld-scripts/crossref.exp: Remove -mcall-aixdesc hack.
* testsuite/ld-scripts/cross2.t: Tweak .opd and .toc placement.
* testsuite/ld-scripts/cross3.t: Likewise.
* testsuite/ld-scripts/cross4.t: Likewise.
* testsuite/ld-scripts/cross5.t: Likewise.
* testsuite/ld-scripts/cross6.t: Likewise.
* testsuite/ld-scripts/cross7.t: Likewise.

8 years agold-elf/shared.exp mix_pic_and_non_pic
Alan Modra [Wed, 18 May 2016 14:39:03 +0000 (00:09 +0930)]
ld-elf/shared.exp mix_pic_and_non_pic

Tweaks to make it easier to re-run these testcases by hand.

* testsuite/ld-elf/shared.exp (mix_pic_and_non_pic): Pass in
exe name rather than constructing testname.  Fix typo in
sub-test name.  Log copying.  Use -rpath rather than -R.

8 years agoAllocate ppc64 got and dynrelocs before plt
Alan Modra [Wed, 18 May 2016 14:29:04 +0000 (23:59 +0930)]
Allocate ppc64 got and dynrelocs before plt

The idea being to make undefined weak syms dynamic, before deciding
whether a sym needs a plt entry.  Fixes pr19719 ld testcase.

* elf64-ppc.c (allocate_dynrelocs): Allocate got and other dynamic
relocs before plt relocs.

8 years agoFix ppc64le S-record test fail
Alan Modra [Thu, 19 May 2016 03:02:40 +0000 (12:32 +0930)]
Fix ppc64le S-record test fail

Segfaults on --defsym symbol (__stack_chk_fail in this instance).

* elf64-ppc.c (ppc64_elf_branch_reloc): Check for NULL owner
before dereferencing.

8 years agoAutomatic date update in version.in
GDB Administrator [Thu, 19 May 2016 00:00:09 +0000 (00:00 +0000)]
Automatic date update in version.in

8 years agogas/arc: Make member of arc_flags const
Andrew Burgess [Fri, 6 May 2016 12:59:03 +0000 (13:59 +0100)]
gas/arc: Make member of arc_flags const

By making the flgp field of struct arc_flags constant we can remove a
place where we cast away the const-ness of a variable.  Also, given that
the value assigned to this field almost always comes from compile-time
constant data, having the field non-constant is probably a bad thing.

gas/ChangeLog:

* config/tc-arc.c (find_opcode_match): Remove casting away of
const.
* config/tc-arc.h (struct arc_flags): Make flgp field const.

8 years agogas/arc: Use BFD_VMA_FMT for printf format specifier
Andrew Burgess [Wed, 4 May 2016 13:11:11 +0000 (14:11 +0100)]
gas/arc: Use BFD_VMA_FMT for printf format specifier

Some debug code has the wrong printf format specifier for some types
that are (ultimately) bfd_vma.  Fixed by using BFD_VMA_FMT string.  This
only becomes an issue when building the tc-arc.c file with -DDEBUG=1 to
build in the debug code.

gas/ChangeLog:

* config/tc-arc.c (md_pcrel_from_section): Use BFD_VMA_FMT where
appropriate.
(md_convert_frag): Likewise.

8 years agogas/arc: Fix array overrun when checking opcode array
Andrew Burgess [Wed, 4 May 2016 12:57:10 +0000 (13:57 +0100)]
gas/arc: Fix array overrun when checking opcode array

The opcode array iterator mechanism can, in some situations, result in
reading memory outside of the opcode array.  When using the
iterator-next mechanism to find the next possible arc_opcode, if we find
an opcode where the name field is NULL, or the name does not match, then
the cached opcode pointer is not set to NULL.  The result is that
another call to iterator-next will again increment the opcode
pointer (which might now point outside the opcode array) and attempt to
access the name field of this undefined opcode.

Fixed in this commit by clearing the cached opcode pointer.

I've added a test case, which currently shows the bug, however, this
will only expose this bug while the opcode used (dsp_fp_cmp) is the last
opcode in the table.

gas/ChangeLog:

* config/tc-arc.c (arc_opcode_hash_entry_iterator_next): Set
cached opcode to NULL when we reach a non-matching opcode.
* testsuite/gas/arc/asm-errors-2.d: New file.
* testsuite/gas/arc/asm-errors-2.err: New file.
* testsuite/gas/arc/asm-errors-2.s: New file.

8 years agogas/arc: Add guard against operand array overflow.
Andrew Burgess [Tue, 3 May 2016 12:43:44 +0000 (13:43 +0100)]
gas/arc: Add guard against operand array overflow.

Currently supplying an input file with too many operands to an
instruction will cause the assembler to overflow and array and trigger
undefined behaviour.

This change checks that we don't access outside the limits of the
operand array.

gas/ChangeLog:

* config/tc-arc.c (tokenize_arguments): Add checks for array
overflow.
* testsuite/gas/arc/asm-errors.s: Addition test line added.
* testsuite/gas/arc/asm-errors.err: Update expected results.

8 years agoFix build failure with GCC 4.1.
Tom Tromey [Wed, 18 May 2016 16:48:41 +0000 (10:48 -0600)]
Fix build failure with GCC 4.1.

2016-05-18  Tom Tromey  <tom@tromey.com>

* rust-lang.c (rust_subscript): Initialize "high".

8 years agoPrevent a run time segmentation fault when stripping a corrupt binary.
Nick Clifton [Wed, 18 May 2016 14:21:16 +0000 (15:21 +0100)]
Prevent a run time segmentation fault when stripping a corrupt binary.

PR 20096
* objcopy.c (copy_relocations_in_section): Also check for the
symbol pointed to by sym_ptr_ptr being NULL.

8 years agoAdd mi-threads-interrupt.exp test (PR 20039)
Simon Marchi [Wed, 18 May 2016 14:13:12 +0000 (10:13 -0400)]
Add mi-threads-interrupt.exp test (PR 20039)

Add a new test for PR 20039.  The test spawns new threads, then tries to
interrupt, continue, and interrupt again.  This use case was fixed by
commit 5fe966540d6b748f825774868463003700f0c878 in master, but gdb 7.11
is affected (so if you try it on the gdb-7.11-branch right now, the test
will fail).

New in v2, the test now handles mi-async on mode properly.  The failure
was specific to mi-async off, but I don't think it's bad to test the
same thing under async on mode.  I added a little hack when running in
async mode to work around bug 20045.

I also removed one continue/interrupt pair, as a single one was enough to
trigger the problem.

gdb/testsuite/ChangeLog:

* gdb.mi/mi-threads-interrupt.c: New file.
* gdb.mi/mi-threads-interrupt.exp: New file.

8 years agoFix double prompt output after run control MI commands with mi-async on (PR 20045)
Simon Marchi [Tue, 17 May 2016 21:07:20 +0000 (17:07 -0400)]
Fix double prompt output after run control MI commands with mi-async on (PR 20045)

When you use a run control command (-exec-run, -exec-continue,
-exec-next, ...) with mi-async on, an extra (gdb) prompt is displayed:

  -exec-continue
  ^running
  *running,thread-id="all"
  (gdb)
  (gdb)

It doesn't seem to be a big problem for front-ends, since this behavior
started in gdb 7.9 and we haven't heard anything about that.  However,
it caused me some trouble while writing a test for PR 20039 [1].

The problem comes from an extra (gdb) prompt that we write when running
in mi-async off mode to emulate a past buggy behavior.  When executing a
run control command synchronously, previous gdbs always printed a prompt
right away, even though they are not ready to accept new MI commands
until the target stops.  Only at this time should they display a prompt.
But to keep backwards compatibility apparently, we print it anyway.
Since commit 198297aaf, the condition that decides whether we should
print that "bogus" prompt or not has become true, even when running with
mi-async on.  Since we already print a prompt at the end of the
asynchronous command execution, it results in two prompts for one
command.

The proposed fix is to call target_can_async_p instead of
target_is_async_p, to make the condition:

  if (!target_can_async_p () || sync_execution)
    ... show prompt ...

That shows the prompt if we are emulating a synchronous command on top
of an asynchronous target (sync_execution) or if the target simply can't
run asynchronously (!target_can_async_p ()).

Note that this code is changed and this bug fixed by Pedro's separate
console series, but I think it would be nice to have it fixed in the
mean time.

I ran the gdb.mi directory of the testsuite with mi-async on and off, I
didn't see any regressions.

gdb/ChangeLog:

* mi/mi-main.c (mi_on_resume): Call target_can_async_p instead
of target_is_async_p.

[1] https://sourceware.org/ml/gdb-patches/2016-05/msg00075.html

8 years agoMIPS/opcodes: Correct mixed MIPS16 and microMIPS disassembly
Maciej W. Rozycki [Wed, 18 May 2016 10:22:30 +0000 (11:22 +0100)]
MIPS/opcodes: Correct mixed MIPS16 and microMIPS disassembly

Mixing MIPS16 and microMIPS code in a single binary isn't usually
supported but GAS happily produces such code if requested.  However it
is not correctly disassembled even if a symbol table is available and
function symbols are correctly anotated with the ISA mode.  This is
because the ELF-header global microMIPS ASE flag takes precedence over
MIPS16 function annotation, causing them to be treated as regular MIPS
code.

Correct the problem by respecting function symbol anotation regardless
of the ELF-header flag.

binutils/
* testsuite/binutils-all/mips/mixed-mips16-micromips.d: New test.
* testsuite/binutils-all/mips/mixed-mips16-micromips.s: New test
source.
* testsuite/binutils-all/mips/mips.exp: Run the new test.

opcodes/
* mips-dis.c (is_compressed_mode_p): Add `micromips_p' operand,
replacing references to `micromips_ase' throughout.
(_print_insn_mips): Don't use file-level microMIPS annotation to
determine the disassembly mode with the symbol table.

8 years agoUpdated Swedish translations for bfd and binutils
Nick Clifton [Wed, 18 May 2016 11:44:43 +0000 (12:44 +0100)]
Updated Swedish translations for bfd and binutils

8 years agorx: make field type enum
Trevor Saunders [Sat, 14 May 2016 08:33:53 +0000 (04:33 -0400)]
rx: make field type enum

gas/ChangeLog:

2016-05-18  Trevor Saunders  <tbsaunde+binutils@tbsaunde.org>

* config/tc-rx.c (struct cpu_type): Change the type of a field from
int to enum rx_cpu_types.

8 years agochange the type of some fields to bfd_reloc_code_real_type
Trevor Saunders [Sat, 14 May 2016 06:34:23 +0000 (02:34 -0400)]
change the type of some fields to bfd_reloc_code_real_type

gas/ChangeLog:

2016-05-18  Trevor Saunders  <tbsaunde+binutils@tbsaunde.org>

* config/tc-dlx.c (struct machine_it): change the type of a field from
int to bfd_reloc_code_real_type.
* config/tc-tic4x.c: Likewise.

8 years agocommit ChangeLog for previous commit
Trevor Saunders [Wed, 18 May 2016 10:17:33 +0000 (06:17 -0400)]
commit ChangeLog for previous commit

8 years agoChange type of v850_target_arch to enum bfd_architecture
Trevor Saunders [Mon, 16 May 2016 22:04:17 +0000 (18:04 -0400)]
Change type of v850_target_arch to enum bfd_architecture

gas/ChangeLog:

2016-05-18  Trevor Saunders  <tbsaunde+binutils@tbsaunde.org>

* config/tc-v850.c (v850_target_arch): change type to enum
bfd_architecture.
* config/tc-v850.h (v850_target_arch): Likewise.

8 years agoFix lots of linker testsuite failures for the FT32 target.
Nick Clifton [Wed, 18 May 2016 09:11:47 +0000 (10:11 +0100)]
Fix lots of linker testsuite failures for the FT32 target.

* scripttempl/ft32.sc: Use fixed constants for memory region
lengths.  Include DWARF debug sections.
(.data .bss): Do not assign locations during relocatable links.
* testsuite/ld-elf/compressed1d.d: Skip for FT32.
* testsuite/ld-elf/sec-to-seg.exp: Likewise.
* testsuite/ld-elf/sec64k.exp: Likewise.
* testsuite/ld-elf/init-fini-array.d: XFail for FT32.
* testsuite/ld-elf/merge.d: Likewise.
* testsuite/ld-elf/orphan-region.d: Likewise.
* testsuite/ld-elf/orphan.s: Likewise.
* testsuite/ld-elf/orphan3.d: Likewise.
* testsuite/ld-elf/pr349.d: Likewise.
* testsuite/ld-elf/warn2.d: Likewise.
* testsuite/lib/ld-lib.exp (check_shared_lib_support): Note
that the FT32 does not support shared libraries.

8 years agoelf32-arm.c build breakage
Alan Modra [Wed, 18 May 2016 06:14:46 +0000 (15:44 +0930)]
elf32-arm.c build breakage

* elf32-arm.c (elf32_arm_size_stubs): Free or cache local syms
for each BFD.  Don't goto error_ret_free_local from outside loop.

8 years agoMIPS/readelf: Use the `d_val' dynamic entry member with the relevant tags
Maciej W. Rozycki [Wed, 18 May 2016 03:30:50 +0000 (04:30 +0100)]
MIPS/readelf: Use the `d_val' dynamic entry member with the relevant tags

binutils/
* readelf.c (dynamic_section_mips_val) <DT_MIPS_RLD_VERSION>
<DT_MIPS_LOCAL_GOTNO, DT_MIPS_CONFLICTNO, DT_MIPS_LIBLISTNO>
<DT_MIPS_SYMTABNO, DT_MIPS_UNREFEXTNO, DT_MIPS_HIPAGENO>
<DT_MIPS_DELTA_CLASS_NO, DT_MIPS_DELTA_INSTANCE_NO>
<DT_MIPS_DELTA_RELOC_NO, DT_MIPS_DELTA_SYM_NO>
<DT_MIPS_DELTA_CLASSSYM_NO, DT_MIPS_COMPACT_SIZE>: Use the
`d_val' rather than `d_ptr' member of the dynamic entry.

8 years agoPPC_OPERAND_SIGNOPT range.
Alan Modra [Wed, 18 May 2016 01:57:56 +0000 (11:27 +0930)]
PPC_OPERAND_SIGNOPT range.

Commit b84bf58a accidentally extended the range of allowed negative
numbers.

* config/tc-ppc.c (ppc_insert_operand): Trim PPC_OPERAND_SIGNOPT
allowed negative range.
* testsuite/gas/ppc/power9.s: Test xxspltib of -128, not -256.
* testsuite/gas/ppc/power9.d: Update.

8 years agoAutomatic date update in version.in
GDB Administrator [Wed, 18 May 2016 00:00:18 +0000 (00:00 +0000)]
Automatic date update in version.in

8 years agoFix -exec-run not running asynchronously with mi-async on (PR gdb/18077)
Simon Marchi [Tue, 17 May 2016 20:44:57 +0000 (16:44 -0400)]
Fix -exec-run not running asynchronously with mi-async on (PR gdb/18077)

When doing -exec-run on a freshly started GDB, the only target on the
target stack at the time the dummy one.  When mi_async_p is called to
know whether the run should be async, it queries whether the current
target (dummy) supports async, and the answer is no.  The fix is to make
the code query the target that will be used for the run, which is not
necessarily the current target.

No regressions in the gdb.mi directory using the unix, native-gdbserver
and native-extended-gdbserver boards.  The test doesn't pass when
forcing maint set target-async off, obviously, since it makes mi-async
have no effect.  It doesn't seem like other tests are checking for that
eventuality, so I didn't in the new test.

gdb/ChangeLog:

* mi/mi-main.c (run_one_inferior): Use run target to determine
whether to run async or not.
(mi_cmd_exec_run): Likewise.

gdb/testsuite/ChangeLog:

* gdb.mi/mi-async-run.exp: New file.
* gdb.mi/mi-async-run.c: New file.

8 years agoRename OP_F90_RANGE to OP_RANGE.
Tom Tromey [Wed, 27 Apr 2016 16:28:56 +0000 (10:28 -0600)]
Rename OP_F90_RANGE to OP_RANGE.

This renames OP_F90_RANGE to OP_RANGE, and similarly renames the
f90_range_type enum.

2016-05-17  Tom Tromey  <tom@tromey.com>

* std-operator.def (OP_RANGE): Rename from OP_F90_RANGE.
* rust-lang.c: Don't include f-lang.h.
(rust_range, rust_compute_range, rust_subscript)
(rust_evaluate_subexp): Update.
* rust-exp.y: Don't include f-lang.h.
(ast_range, convert_ast_to_expression): Update.
* parse.c (operator_length_standard): Update.
* f-lang.h (enum f90_range_type): Move to expression.h.
* f-exp.y: Use OP_RANGE.
* expression.h (enum range_type): New enum; renamed from
f90_range_type.
* expprint.c: Don't include f-lang.h.
(print_subexp_standard, dump_subexp_body_standard): Use OP_RANGE.
* eval.c (value_f90_subarray, evaluate_subexp_standard): Update.

8 years agoAdd Rust documentation
Tom Tromey [Wed, 27 Apr 2016 01:38:56 +0000 (19:38 -0600)]
Add Rust documentation

This patch adds documentation for the new Rust support in gdb.

2016-05-17  Tom Tromey  <tom@tromey.com>

* NEWS: Add Rust item.

2016-05-17  Tom Tromey  <tom@tromey.com>

* gdb.texinfo (Supported Languages): Mention Rust.  Update menu.
(Rust): New node.

8 years agoUpdate gdb test suite for Rust
Tom Tromey [Wed, 27 Apr 2016 01:38:43 +0000 (19:38 -0600)]
Update gdb test suite for Rust

This updates the gdb test suite for Rust.

2016-05-17  Tom Tromey  <tom@tromey.com>
    Manish Goregaokar <manishsmail@gmail.com>

* lib/rust-support.exp: New file.
* lib/gdb.exp (skip_rust_tests): New proc.
(build_executable_from_specs): Handle rust.
* lib/future.exp (gdb_find_rustc): New proc.
(gdb_default_target_compile): Handle rust.
* gdb.rust/expr.exp: New file.
* gdb.rust/generics.exp: New file.
* gdb.rust/generics.rs: New file.
* gdb.rust/methods.exp: New file.
* gdb.rust/methods.rs: New file.
* gdb.rust/modules.exp: New file.
* gdb.rust/modules.rs: New file.
* gdb.rust/simple.exp: New file.
* gdb.rust/simple.rs: New file.

8 years agoAdd support for the Rust language
Tom Tromey [Wed, 27 Apr 2016 01:38:08 +0000 (19:38 -0600)]
Add support for the Rust language

This patch adds support for the Rust language.

2016-05-17  Tom Tromey  <tom@tromey.com>
    Manish Goregaokar <manishsmail@gmail.com>

* symtab.c (symbol_find_demangled_name): Handle Rust.
* symfile.c (init_filename_language_table): Treat ".rs" as Rust.
* std-operator.def (STRUCTOP_ANONYMOUS, OP_RUST_ARRAY): New
constants.
* rust-lang.h: New file.
* rust-lang.c: New file.
* rust-exp.y: New file.
* dwarf2read.c (read_file_scope): Add Rust producer sniffing.
(dwarf2_compute_name, read_func_scope, read_structure_type)
(read_base_type, read_subrange_type, set_cu_language)
(new_symbol_full, determine_prefix): Handle Rust.
* defs.h (enum language) <language_rust>: New constant.
* Makefile.in (SFILES): Add rust-exp.y, rust-lang.c.
(COMMON_OBS): Add rust-exp.o, rust-lang.o.

2016-05-17  Tom Tromey  <tom@tromey.com>

* gdb.base/default.exp (set language): Add rust.

8 years agoAdd array start and end strings to generic_val_print_decorations
Tom Tromey [Tue, 26 Apr 2016 22:45:21 +0000 (16:45 -0600)]
Add array start and end strings to generic_val_print_decorations

For Rust value-printing, I wanted to use generic_val_print_array, but
I also wanted to control the starting and ending strings.

This patch adds new strings to generic_val_print_decorations, updates
generic_val_print_array to use them, and updates all the existing
instances of generic_val_print_decorations.

2016-05-17  Tom Tromey  <tom@tromey.com>

* valprint.h (struct generic_val_print_array) <array_start,
array_end>: New fields.
* valprint.c (generic_val_print_array): Add "decorations"
parameter.  Use "array_start", "array_end".
(generic_val_print) <TYPE_CODE_ARRAY>: Update.
* p-valprint.c (p_decorations): Update.
* m2-valprint.c (m2_decorations): Update.
* f-valprint.c (f_decorations): Update.
* c-valprint.c (c_decorations): Update.

8 years agoAdd self-test framework to gdb
Tom Tromey [Wed, 20 Apr 2016 16:09:53 +0000 (10:09 -0600)]
Add self-test framework to gdb

I wanted to unit test the Rust lexer, so I added a simple unit testing
command to gdb.

The intent is that self tests will only be compiled into gdb in
development mode.  In release mode they simply won't exist.  So, this
exposes $development to C code as GDB_SELF_TEST.

In development mode, test functions are registered with the self test
module.  A test function is just a function that does some checks, and
throws an exception on failure.

Then this adds a new "maint selftest" command which invokes the test
functions, and a new dejagnu test case that invokes it.

2016-05-17  Tom Tromey  <tom@tromey.com>

* NEWS: Add "maint selftest" entry.
* selftest.h: New file.
* selftest.c: New file.
* maint.c: Include selftest.h.
(maintenance_selftest): New function.
(_initialize_maint_cmds): Add "maint selftest" command.
* configure.ac (GDB_SELF_TEST): Maybe define.
* config.in, configure: Rebuild.
* Makefile.in (SFILES): Add selftest.c.
(COMMON_OBS): Add selftest.o.

2016-05-17  Tom Tromey  <tom@tromey.com>

* gdb.texinfo (Maintenance Commands): Document "maint selftest".

2016-05-17  Tom Tromey  <tom@tromey.com>

* gdb.gdb/unittest.exp: New file.

8 years agoMake gdb expression debugging handle OP_F90_RANGE
Tom Tromey [Wed, 20 Apr 2016 14:14:16 +0000 (08:14 -0600)]
Make gdb expression debugging handle OP_F90_RANGE

print_subexp_standard and dump_subexp_body_standard did not handle
OP_F90_RANGE.  Attempting to dump an expression using this opcode
would fail.

This patch adds support for this opcode to these functions.

2016-05-17  Tom Tromey  <tom@tromey.com>

* expprint.c: Include f-lang.h.
(print_subexp_standard, dump_subexp_body_standard): Handle
OP_F90_RANGE.

8 years agoFix latent yacc-related bug in gdb/Makefile.in init.c rule
Tom Tromey [Thu, 31 Mar 2016 20:16:56 +0000 (14:16 -0600)]
Fix latent yacc-related bug in gdb/Makefile.in init.c rule

gdb's Makefile.in does not currently scan .y files to add global
initializers from these files to init.c.  However, at least ada-exp.y
tries to use this feature.

This patch fixes the problem.

2016-05-17  Tom Tromey  <tom@tromey.com>

* Makefile.in (init.c): Search .y files for initialization
functions.

8 years agoAdd DW_LANG_Rust
Tom Tromey [Mon, 16 May 2016 18:21:49 +0000 (12:21 -0600)]
Add DW_LANG_Rust

include/
* dwarf2.h (enum dwarf_source_language) <DW_LANG_Rust,
DW_LANG_Rust_old>: New constants.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@235643 138bc75d-0d04-0410-961f-82ee72b054a4

8 years agoCheck global CC in at_least_gcc_version
H.J. Lu [Tue, 17 May 2016 16:55:05 +0000 (09:55 -0700)]
Check global CC in at_least_gcc_version

at_least_gcc_version should check global CC.

* testsuite/lib/ld-lib.exp (at_least_gcc_version): Check
global CC.