Age | Commit message (Collapse) | Author | Files | Lines |
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* configure.ac: Update from GCC.
* configure: Regenerate.
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* gdb.dwarf2/fission-base.S: Update. Split out .dwo into separate
file.
* gdb.dwarf2/fission-loclists.S: Ditto.
* gdb.dwarf2/fission-reread.S: Ditto.
* gdb.dwarf2/fission-base.exp: Skip of remote host. Compile with
build_executable_from_fission_assembler.
* gdb.dwarf2/fission-loclists.exp: Ditto.
* gdb.dwarf2/fission-reread.exp: Ditto.
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* lib/gdb.exp (build_id_debug_filename_get): Update to use them.
(gdb_gnu_strip_debug): Ditto.
* lib/prelink-support.exp (section_get, prelink_no): Ditto.
* gdb.arch/altivec-abi.exp: Ditto.
* gdb.base/attach-pie-misread.exp: Ditto.
* gdb.base/comprdebug.exp: Ditto.
* gdb.base/dup-sect.exp: Ditto.
* gdb.base/gnu-debugdata.exp: Ditto.
* gdb.base/step-symless.exp: Ditto.
* gdb.dwarf2/dw2-inline-param.exp: Ditto.
* gdb.dwarf2/dw2-skip-prologue.exp: Ditto.
* gdb.dwarf2/gdb-index.exp: Ditto.
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* Makefile.am (enios2elf.c): Change tdir_nios2 to tdir_nios2elf.
* Makefile.in: Regenerate.
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ppc host match. Support little-endian powerpc linux hosts.
Regenerate binutils configure files.
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The recent change to make GDB auto-delete thread-specific breakpoints
when the corresponding thread is deleted
(https://sourceware.org/ml/gdb-patches/2013-09/msg00038.html) caused
gdb.base/nextoverexit.exp to regress.
Breakpoint 1, main () at .../gdb/testsuite/gdb.base/nextoverexit.c:21
21 exit (0);
(gdb) next
[Inferior 1 (process 25208) exited normally]
Thread-specific breakpoint -5 deleted - thread 1 is gone.
Thread-specific breakpoint -6 deleted - thread 1 is gone.
Thread-specific breakpoint -7 deleted - thread 1 is gone.
Thread-specific breakpoint 0 deleted - thread 1 is gone.
(gdb) FAIL: gdb.base/nextoverexit.exp: next over exit (the program exited)
We shouldn't be seeing this for internal or momentary breakpoints. In
fact, we shouldn't even be trying to delete them, as whatever created
them will take care or it, and therefore it's dangerous to delete them
behind the creator's back.
I thought it'd still be good to tag thread-specific internal/momentary
breakpoints such that we'll no longer try to keep them insert in the
target, as they'll cause stops and thread hops in other threads, so I
tried disabling them instead. That caused a problem when following a
child fork, and detaching from the parent, as we try to reset the
step-resume etc. breakpoints to the new child's thread
(breakpoint_re_set_thread), after the parent thread is already gone
(and the breakpoints are marked disabled). I fixed that by
re-enabling internal/momentary breakpoints there, but, that didn't
feel super safe either (maybe we'd need a new flag in struct
breakpoint instead, to tag the thread-specific breakpoint as "not to
be inserted"). It felt like I was heading down a design rat hole,
and, other things will usually delete internal/momentary breakpoints
soon enough, so I left that little optimization for some other day.
So, internal/momentary breakpoints are no longer deleted/disabled at
all, and we end up with a one-liner fix.
Tested on x86_64 Fedora 17.
gdb/
2013-09-19 Pedro Alves <palves@redhat.com>
* breakpoint.c (remove_threaded_breakpoints): Skip non-user
breakpoints.
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This removes another instance of a deprecated_xfer_memory user.
gdb/
2013-09-19 Pedro Alves <palves@redhat.com>
Thomas Schwinge <thomas@codesourcery.com>
Yue Lu <hacklu.newborn@gmail.com>
* gnu-nat.c (gnu_read_inferior, gnu_write_inferior): Make static.
Take a gdb_byte pointer instead of a char pointer.
* gnu-nat.c (gnu_xfer_memory): Adjust interface as
gnu_xfer_partial helper.
(gnu_xfer_partial): New function.
(gnu_target): Don't install a deprecated_xfer_memory hook.
Install a to_xfer_partial hook.
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gdb/
2013-09-19 Jan Kratochvil <jan.kratochvil@redhat.com>
Constification.
* main.c (captured_main): Replace catch_command_errors by
catch_command_errors_const. Twice.
* symfile.c (symbol_file_add_main_1): Make args parameter const.
(symbol_file_add): Make name parameter const.
(symbol_file_add_main, symbol_file_add_main_1): Make args parameter const.
(symfile_bfd_open): Make name parameter const, rename it to cname. Add
variable name. Change their usage accordingly.
* symfile.h (symbol_file_add, symfile_bfd_open): Make first parameter
const.
(symbol_file_add_main): Make args parameter const.
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Ulrich Weigand <uweigand@de.ibm.com>
* xcoffread.c (struct coff_symbol): Use CORE_ADDR as type
of c_value member.
(read_xcoff_symtab): Use CORE_ADDR as type of fcn_start_addr.
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2013-09-18 Pedro Alves <palves@redhat.com>
Yue Lu <hacklu.newborn@gmail.com>
* gnu-nat.c (inf_validate_procs, gnu_wait, gnu_resume)
(gnu_create_inferior)
(gnu_attach, gnu_thread_alive, gnu_pid_to_str, cur_thread)
(set_sig_thread_cmd): Use the lwpid field of ptids to
store/extract thread ids instead of the tid field.
* i386gnu-nat.c (gnu_fetch_registers): Adjust.
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instead of ptid_t.tid.
In preparation for reusing gnu-nat.c in gdbserver, switch to storing
thread ids in the lwpid field of ptid_t rather than in the tid
field. The Hurd's thread model is 1:1, so it doesn't feel wrong
anyway.
gdb/
2013-09-18 Pedro Alves <palves@redhat.com>
* gnu-nat.c (inf_validate_procs, gnu_wait, gnu_resume)
(gnu_create_inferior)
(gnu_attach, gnu_thread_alive, gnu_pid_to_str, cur_thread)
(set_sig_thread_cmd): Use the lwpid field of ptids to
store/extract thread ids instead of the tid field.
* i386gnu-nat.c (gnu_fetch_registers): Adjust.
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https://sourceware.org/ml/gdb-patches/2013-08/msg00170.html
gdb/ChangeLog
* infcmd.c (default_print_one_register_info): Add detection of
optimized out values.
(default_print_registers_info): Switch to using
get_frame_register_value.
gdb/testsuite/ChangeLog
* gdb.dwarf2/dw2-reg-undefined.exp: Change pattern for info
register to "<optimized out>", and also print the registers.
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* ld-aarch64/eh-frame.d: Update expected output to allow for
64-bit addresses.
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Skip the test on Cygwin too.
2013-09-18 Pedro Alves <palves@redhat.com>
PR server/15967
* gdb.server/wrapper.exp: Also return unsupported for Cygwin, and
change text.
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if the function start is known. Otherwise, keep single-stepping.
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By inspection, I noticed that when I made the gnu-nat use
ptid(pid,0,tid) to represent a thread, instead of using ptid(tid,0,0),
in <https://sourceware.org/ml/gdb-patches/2008-08/msg00175.html>, I
introduced a bug.
The change was:
else
{
- int tid = PIDGET (thread_id_to_pid (atoi (args)));
+ int tid = ptid_get_tid (thread_id_to_pid (atoi (args)));
if (tid < 0)
error (_("Thread ID %s not known. Use the \"info threads\" command to\n"
"see the IDs of currently known threads."), args);
and thread_id_to_pid does:
ptid_t
thread_id_to_pid (int num)
{
struct thread_info *thread = find_thread_id (num);
if (thread)
return thread->ptid;
else
return pid_to_ptid (-1);
}
(pid_to_ptid (-1) is the same as minus_one_ptid.)
So before, we were really looking at the pid, where thread_id_to_pid
stores the -1.
The right fix is to compare the whole ptid to minus_one_ptid, of
course.
Completely untested, but I think it's obvious enough, so I went ahead
and put it in.
gdb/
2013-09-18 Pedro Alves <palves@redhat.com>
* gnu-nat.c (set_sig_thread_cmd): Compare the thread's ptid to
minus_one_ptid instead of looking at the ptid's tid field and
comparing that to -1.
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https://sourceware.org/ml/gdb-cvs/2013-09/msg00108.html
https://sourceware.org/ml/gdb-patches/2013-09/msg00225.html
gdb/ChangeLog
* main.h (get_gdb_program_name): Remove extra whitespace.
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https://sourceware.org/ml/gdb-patches/2013-09/msg00225.html
gdb/ChangeLog
* main.h (get_gdb_program_name): Add declaration.
* main.c (get_gdb_program_name): Add definition.
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2013-09-18 Tristan Gingold <gingold@adacore.com>
* configure.in: Bump version to 2.24.51
* configure: Regenerate.
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2013-09-18 Tristan Gingold <gingold@adacore.com>
* NEWS: Add marker for 2.24.
gas/
2013-09-18 Tristan Gingold <gingold@adacore.com>
* NEWS: Add marker for 2.24.
ld/
2013-09-18 Tristan Gingold <gingold@adacore.com>
* NEWS: Add marker for 2.24.
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* Makefile.am (LEXLIB): Define. Replase references to @LEXLIB@
by $(LEXLIB).
* Makefile.in: Regenerate.
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(move_data): New variable.
(md_parse_option): Parse -md.
(msp430_section): New function. Catch references to the .bss or
.data sections and generate a special symbol for use by the libcrt
library.
(md_pseudo_table): Intercept .section directives.
(md_longopt): Add -md
(md_show_usage): Likewise.
(msp430_operands): Generate a warning message if a NOP is inserted
into the instruction stream.
* doc/c-msp430.texi (node MSP430 Options): Document -md option.
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2013-09-18 Yao Qi <yao@codesourcery.com>
PR server/15959
* server.c (start_inferior): Clear 'resume_info'.
gdb/testsuite/
2013-09-18 Yao Qi <yao@codesourcery.com>
* gdb.server/wrapper.c: New.
* gdb.server/wrapper.exp: New.
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Fix ChangeLog format issue.
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forward declarations of local functions.
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* readelf.c (get_machine_flags): Handle EF_MIPS_FP64.
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* config/tc-mips.c (mips_elf_final_processing): Set
EF_MIPS_FP64 for -mgp32 -mfp64, removing old FIXME.
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* elfxx-mips.c (_bfd_mips_elf_print_private_bfd_data): Handle
EF_MIPS_FP64.
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* mips.h (EF_MIPS_FP64): New e_flags bit.
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PR gdb/11568 is about thread-specific breakpoints being left behind
when the corresponding thread exits.
Currently:
(gdb) b start thread 2
Breakpoint 3 at 0x400614: file thread-specific-bp.c, line 23.
(gdb) b end
Breakpoint 4 at 0x40061f: file thread-specific-bp.c, line 29.
(gdb) c
Continuing.
[Thread 0x7ffff7fcb700 (LWP 14925) exited]
[Switching to Thread 0x7ffff7fcc740 (LWP 14921)]
Breakpoint 4, end () at thread-specific-bp.c:29
29 }
(gdb) info threads
Id Target Id Frame
* 1 Thread 0x7ffff7fcc740 (LWP 14921) "thread-specific" end () at thread-specific-bp.c:29
(gdb) info breakpoints
Num Type Disp Enb Address What
2 breakpoint keep y 0x0000000000400614 in start at thread-specific-bp.c:23
breakpoint already hit 1 time
3 breakpoint keep y 0x0000000000400614 in start at thread-specific-bp.c:23 thread 2
stop only in thread 2
4 breakpoint keep y 0x000000000040061f in end at thread-specific-bp.c:29
breakpoint already hit 1 time
Note that the thread-specific breakpoint 3 stayed around, even though
thread 2 is gone.
There's no way that breakpoint can trigger again (*), so the PR argues
that the breakpoint should just be removed, like local watchpoints.
I'm ambivalent on this -- it could be reasonable to disable the
breakpoint (kind of like breakpoint in shared library code when the
DSO is unloaded), so the user could still use it as visual template
for creating other breakpoints (copy/paste command lists, etc.), or we
could have a way to change to which thread a breakpoint applies. But,
several people pushed this direction, and I don't plan on arguing...
(*) - actually, there is ... thread numbers are reset on "run", so
the user could do "break foo thread 2", "run", and expect the
breakpoint to hit again on the second thread. But given gdb's thread
numbering can't really be stable, that'd only work sufficiently well
for thread 1, so we'd better call it unsupported.
So with the patch, whenever a thread is deleted from GDB's list, GDB
goes through the thread-specific breakpoints and deletes corresponding
breakpoints. Since this is user-visible, GDB prints out:
Thread-specific breakpoint 3 deleted - thread 2 is gone.
And of course, we end up with:
(gdb) info breakpoints
Num Type Disp Enb Address What
2 breakpoint keep y 0x0000000000400614 in start at thread-specific-bp.c:23
breakpoint already hit 1 time
4 breakpoint keep y 0x000000000040061f in end at thread-specific-bp.c:29
breakpoint already hit 1 time
2013-09-17 Muhammad Waqas <mwaqas@codesourcery.com>
Pedro Alves <palves@redhat.com>
PR gdb/11568
* breakpoint.c (remove_threaded_breakpoints): New function.
(_initialize_breakpoint): Attach remove_threaded_breakpoints
as thread_exit observer.
2013-09-17 Muhammad Waqas <mwaqas@codesourccery.com>
Jan Kratochvil <jan.kartochvil@redhat.com>
Pedro Alves <palves@redhat.com>
PR gdb/11568
* gdb.thread/thread-specific-bp.c: New file.
* gdb.thread/thread-specific-bp.exp: New file.
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function. It adds a check for $_isvoid during the test of "show convenience"
output.
gdb/testsuite/
2013-09-17 Sergio Durigan Junior <sergiodj@redhat.com>
* gdb.base/defaults.exp (<show_conv_list>): Add check for $_isvoid
convenience function.
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"break", "list")
"info threads" changes the default source for "break" and "list", to
whatever the location of the first/bottom thread in the thread list
is...
(gdb) b start
(gdb) c
...
(gdb) list
*lists "start"*
(gdb) b 23
Breakpoint 3 at 0x400614: file test.c, line 23.
(gdb) info threads
Id Target Id Frame
* 2 Thread 0x7ffff7fcb700 (LWP 1760) "test" start (arg=0x0) at test.c:23
1 Thread 0x7ffff7fcc740 (LWP 1748) "test" 0x000000323dc08e60 in pthread_join (threadid=140737353922304, thread_return=0x0) at pthread_join.c:93
(gdb) b 23
Breakpoint 4 at 0x323dc08d90: file pthread_join.c, line 23.
^^^^^^^^^^^^^^^
(gdb) list
93 lll_wait_tid (pd->tid);
94
95
96 /* Restore cancellation mode. */
97 CANCEL_RESET (oldtype);
98
99 /* Remove the handler. */
100 pthread_cleanup_pop (0);
101
102
The issue is that print_stack_frame always sets the current sal to the
frame's sal. print_frame_info (which print_stack_frame calls to do
most of the work) also sets the last displayed sal, but only if
print_what isn't LOCATION. Now the call in question, from within
thread.c:print_thread_info, does pass in LOCATION as print_what, but
print_stack_frame doesn't have the same check print_frame_info has.
We could consider adding it, but setting these globals depending on
print_what isn't very clean, IMO. What we have is two logically
distinct operations mixed in the same function(s):
#1 - print frame, in the format specified by {print_what,
print_level and print_args}.
#2 - We're displaying a frame to the user, and I want the default
sal to point here, because the program stopped here, or the user
did some context-changing command (up, down, etc.).
So I added a new parameter to print_stack_frame & friends for point
#2, and went through all calls in the tree adjusting as necessary.
Tested on x86_64 Fedora 17.
gdb/
2013-09-17 Pedro Alves <palves@redhat.com>
PR gdb/15911
* ada-tasks.c (task_command_1): Adjust call to print_stack_frame.
* bsd-kvm.c (bsd_kvm_open, bsd_kvm_proc_cmd, bsd_kvm_pcb_cmd):
* corelow.c (core_open):
* frame.h (print_stack_frame, print_frame_info): New
'set_current_sal' parameter.
* infcmd.c (finish_command, kill_command): Adjust call to
print_stack_frame.
* inferior.c (inferior_command): Likewise.
* infrun.c (normal_stop): Likewise.
* linux-fork.c (linux_fork_context): Likewise.
* record-full.c (record_full_goto_entry, record_full_restore):
Likewise.
* remote-mips.c (common_open): Likewise.
* stack.c (print_stack_frame): New 'set_current_sal' parameter.
Use it.
(print_frame_info): New 'set_current_sal' parameter. Set the last
displayed sal depending on the new paremeter instead of looking at
print_what.
(backtrace_command_1, select_and_print_frame, frame_command)
(current_frame_command, up_command, down_command): Adjust call to
print_stack_frame.
* thread.c (print_thread_info, restore_selected_frame)
(do_captured_thread_select): Adjust call to print_stack_frame.
* tracepoint.c (tfind_1): Likewise.
* mi/mi-cmd-stack.c (mi_cmd_stack_list_frames)
(mi_cmd_stack_info_frame): Likewise.
* mi/mi-interp.c (mi_on_normal_stop): Likewise.
* mi/mi-main.c (mi_cmd_exec_return, mi_cmd_trace_find): Likewise.
gdb/testsuite/
* gdb.threads/info-threads-cur-sal-2.c: New file.
* gdb.threads/info-threads-cur-sal.c: New file.
* gdb.threads/info-threads-cur-sal.exp: New file.
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* linux-tile-low.c (tile_regsets): Modify the size field to 64-bit
for each register.
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* deffilep.y (def_file_add_directive): Avoid readin past end of
buffer.
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gdbserver/ChangeLog
* configure.srv <tilegx*-*-linux*>: Remove linux-osdata.o from and add
linux-tile-low.o to srv_tgtobj.
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* s390-opc.txt (clih): Make the immediate unsigned.
gas/testsuite/
* gas/s390/zarch-z196.s, gas/s390/zarch-z196.d: Test CLIH with
4000000000.
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* gdb.base/catch-load.c: Remove the include of "dlfcn.h".
[__WIN32__]: Include "windows.h" and define macro dlopen
and dlclose.
[!__WIN32__]: Include "dlfcn.h".
* gdb.base/catch-load.exp (one_catch_load_test): Match
directory separator.
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* gdb.base/info-macros.exp: Skip test if using Fission.
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"You should provide one parameter..." while it should be saying "... one
argument...". Replaced.
2013-09-16 Sergio Durigan Junior <sergiodj@redhat.com>
* value.c (isvoid_internal_fn): Replace "parameter" with
"argument".
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* configure.ac (build_warnings): Remove obsolete comment.
* configure: Regenerate.
* gdbarch.sh: Remove references to gdbint.texinfo.
* gdbarch.h: Regenerate.
* gdbtypes.c (objfile_type): Remove comments referencing internals
manual and D10V.
[gdb/doc]
Remove the internals manual gdbint.texinfo.
* Makefile.in (INFO_DEPS): Remove gdbint.info.
(PDFFILES): Remove gdbint.pdf.
(HTMLFILES): Remove gdbint/index.html.
(HTMLFILES_INSTALL): Remove gdbint.
(GDBINT_DOC_FILES): Remove.
(dvi): Remove gdbint.dvi.
(ps): Remove gdbint.ps.
* gdbint.texinfo: Remove file.
* gdb.texinfo (Maintenance Commands): Remove reference to gdbint.
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<https://sourceware.org/ml/gdb-patches/2013-09/msg00301.html>
<https://sourceware.org/ml/gdb-patches/2013-09/msg00383.html>
This patch adds a new convenience function called $_isvoid, whose
only purpose is to check whether an expression is void or not.
This became necessary because the new convenience variable
$_exitsignal (not yet approved) has a mutual exclusive behavior
with $_exitcode, i.e., when one is "defined" (i.e., non-void),
the other is cleared (i.e., becomes void). Doug wanted a way to
identify which variable to use, and checking for voidness is the
obvious solution.
It is worth mentioning that my first attempt, after a conversation with
Doug, was to actually implement a new $_isdefined() convenience
function. I would do that (for convenience variables) by calling
lookup_only_internalvar. However, I found a few problems:
- Whenever I called $_isdefined ($variable), $variable became defined
(with a void value), and $_isdefined always returned true.
- Then, I tried to implement $_isdefined ("variable"), and do the "$" +
"variable" inside GDB, thus making it impossible for GDB to create the
convenience variable. However, it was hard to extract the string
without having to mess with values and their idiossincrasies.
Therefore, I decided to abandon this attempt (specially because I
didn't want to spend too much time struggling with it).
Anyway, after talking to Doug again we decided that it would be easier
to implement $_isvoid, and this will probably help in cases like
<http://stackoverflow.com/questions/3744554/testing-if-a-gdb-convenience-variable-is-defined>.
I wrote a NEWS entry for it, and some new lines on the documentation.
gdb/
2013-09-16 Sergio Durigan Junior <sergiodj@redhat.com>
* NEWS: Mention new convenience function $_isvoid.
* value.c (isvoid_internal_fn): New function.
(_initialize_values): Add new convenience function $_isvoid.
gdb/doc/
2013-09-16 Sergio Durigan Junior <sergiodj@redhat.com>
* gdb.texinfo (Convenience Functions): Mention new convenience
function $_isvoid.
gdb/testsuite/
2013-09-16 Sergio Durigan Junior <sergiodj@redhat.com>
* gdb.base/gdbvars.c (foo_void): New function.
(foo_int): Likewise.
* gdb.base/gdbvars.exp (test_convenience_functions): New
function. Call it.
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