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Having paths in test names makes comparing sum files difficult, rename
a test to avoid paths in test names.
gdb/testsuite/ChangeLog:
* gdb.base/style-logging.exp: Remove path from test name.
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PR gdb/24502 requests that the "set logging" log file not contain
style escape sequences emitted by gdb.
This seemed like a reasonable request to me, so this patch implements
filtering for the log file.
This also updates a comment in ui-style.h that I noticed while writing
the patch.
Tested on x86-64 Fedora 29.
gdb/ChangeLog
2019-06-14 Tom Tromey <tromey@adacore.com>
PR gdb/24502:
* ui-style.h (skip_ansi_escape): Update comment.
* ui-file.h (class no_terminal_escape_file): New class.
* ui-file.c (no_terminal_escape_file::write)
(no_terminal_escape_file::puts): New methods.
* cli/cli-logging.c (handle_redirections): Use
no_terminal_escape_file.
gdb/testsuite/ChangeLog
2019-06-14 Tom Tromey <tromey@adacore.com>
PR gdb/24502:
* gdb.base/style-logging.exp: New file.
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A user suggested that add-symbol-file ought to warn if the file does
not in fact provide any symbols. This seemed like a decent idea, so
this patch implements this idea.
Tested on x86-64 Fedora 29.
gdb/ChangeLog
2019-06-14 Tom Tromey <tromey@adacore.com>
* symfile.c (add_symbol_file_command): Remove obsolete comment.
Warn if symbol file does not provide any symbols.
gdb/testsuite/ChangeLog
2019-06-14 Tom Tromey <tromey@adacore.com>
* gdb.base/symfile-warn.exp: New file.
* gdb.base/symfile-warn.c: New file.
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A user noted that, when sources are symlinked, gdb annotations will
print the real path, rather than the name of the symlink.
It seems to me that it is better to print the name of the file that
was actually used in the build, unless there is some reason not to.
This patch implements this, with the caveat that it will not work when
basenames-may-differ is enabled. The way this mode is currently
implemented, returning the symbolic (not real) path is not possible.
While I think it would be good to redo the source file name cache and
perhaps integrate it with class source_cache, I haven't done so here.
Regression tested on x86-64 Fedora 29.
gdb/ChangeLog
2019-06-14 Tom Tromey <tromey@adacore.com>
* source.c (find_and_open_source): Respect basenames_may_differ.
gdb/testsuite/ChangeLog
2019-06-14 Tom Tromey <tromey@adacore.com>
* gdb.base/annotate-symlink.exp: New file.
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In Ada mode, re-assigning an array of a different size to a
convenience variable will cause an error:
(gdb) set lang ada
(gdb) set $v := "abc"
(gdb) set $v := "abcd"
cannot assign arrays of different length
However, this does not really make sense -- instead, it should always
be possible to overwrite a convenience variable.
This patch fixes this bug.
This was reviewed off-list by Joel. I'm checking it in.
gdb/ChangeLog
2019-06-14 Tom Tromey <tromey@adacore.com>
* ada-lang.c (ada_evaluate_subexp) <case BINOP_ASSIGN>: Always
allow assignment to an internalvar.
gdb/testsuite/ChangeLog
2019-06-14 Tom Tromey <tromey@adacore.com>
* gdb.ada/set_wstr.exp: Add reassignment test.
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Ada attribute names can contain "_", but the lexer currently does not
allow this -- even though the "attributes" array lists some attributes
spelled this way.
This patch fixes the bug and adds test cases for the existing
attributes.
This was reviewed off-list by Joel. I'm checking it in.
gdb/ChangeLog
2019-06-14 Tom Tromey <tromey@adacore.com>
* ada-lex.l: Allow "_" in attribute names.
gdb/testsuite/ChangeLog
2019-06-14 Tom Tromey <tromey@adacore.com>
* gdb.ada/formatted_ref.exp (test_p_x_addr): Check
'unchecked_access and 'unrestricted_access as well.
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PR ada/24539 concerns a test failure in gdb.ada/vla.exp.
The problem here is that different versions of Gnat emit the
structure's fields in different orders -- with the order currently
failing actually being the correct one.
Joel pointed out that this can be fixed by simply adding the
No_Component_Reordering pragma to the type in question, which is what
this patch does.
I've reported a Gnat compiler bug internally in hopes of getting the
underlying problem fixed.
gdb/testsuite/ChangeLog
2019-06-14 Tom Tromey <tromey@adacore.com>
PR ada/24539:
* gdb.ada/vla.exp: Update tests.
* gdb.ada/vla/vla.adb (Record_Type): Use No_Component_Reordering
pragma.
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With integer commands that support "unlimited", we currently fail to
notice junk after "unlimited":
(gdb) show print elements
Limit on string chars or array elements to print is 200.
(gdb) set print elements unlimited foo
(gdb) show print elements
Limit on string chars or array elements to print is unlimited.
This commit fixes that. After, we get:
(gdb) set print elements unlimited foo
Junk after "unlimited": foo
gdb/ChangeLog:
2019-06-13 Pedro Alves <palves@redhat.com>
* cli/cli-setshow.c (cli/cli-setshow.c): New parameter
'expression'. When parsing an expression, error out if there's
junk after "unlimited".
(parse_cli_var_uinteger, parse_cli_var_zuinteger_unlimited)
(do_set_command): Adjust calls to is_unlimited_literal.
gdb/testsuite/ChangeLog:
2019-06-13 Pedro Alves <palves@redhat.com>
* gdb.base/settings.exp (test-integer): Test junk after
"unlimited".
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Similarly to the "frame apply" patch, this makes the "thread apply"
family of commands -- "thread apply TID", "thread apply all" and
"taas" use the gdb::option framework for '-'-style options.
No new options are added, but there are some user-visible changes:
- Can now abbreviate and complete "-ascending"
- We now have a completer for "thread apply" commands
Can now complete options ("thread apply all -[TAB]"), and also,
'thread apply all COMMAND[TAB]' now does what you'd expect, by
making use of the new complete_command routine.
- "help" output tweaked with auto-generated option descriptions:
~~~
Usage: thread apply all [OPTION]... COMMAND
Prints per-inferior thread number and target system's thread id
followed by COMMAND output.
By default, an error raised during the execution of COMMAND
aborts "thread apply".
Options:
-ascending
Call COMMAND for all threads in ascending order.
The default is descending order.
-q
Disables printing the thread information.
-c
Print any error raised by COMMAND and continue.
-s
Silently ignore any errors or empty output produced by COMMAND.
~~~
The "By default ..." sentence is new as well.
gdb/ChangeLog:
2019-06-13 Pedro Alves <palves@redhat.com>
* thread.c: Include "cli/cli-option.h".
(tp_array_compar_ascending): Global.
(tp_array_compar): Delete function.
(tp_array_compar_ascending, tp_array_compar_descending): New
functions.
(ascending_option_def, qcs_flag_option_def)
(thr_qcs_flags_option_defs)
(make_thread_apply_all_options_def_group)
(make_thread_apply_options_def_group): New.
(thread_apply_all_command): Use gdb::option::process_options.
(thread_apply_command_completer)
(thread_apply_all_command_completer): New.
(thread_apply_command): Use gdb::option::process_options.
(_initialize_thread): Delete THREAD_APPLY_FLAGS_HELP, replace it
with a new THREAD_APPLY_OPTION_HELP. Use gdb::option::build_help
to generate help text of "thread apply". Adjust "taas"'s help.
* tid-parse.c (tid_range_parser::in_thread_range): New method.
* tid-parse.h (tid_range_parser::in_thread_range): New method.
gdb/testsuite/ChangeLog:
2019-06-13 Pedro Alves <palves@redhat.com>
* gdb.base/options.exp (test-thread-apply): New.
(top level): Call it.
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This adds support for '-'-style options to the "frame apply" family of
commands -- "frame apply COUNT", "frame apply level", "frame apply
all", "faas" and "tfaas".
The -q/-c/-s flags were already supported, -past-main/-past-entry is
new:
~~~
(gdb) help frame apply all
Apply a command to all frames.
Usage: frame apply all [OPTION]... COMMAND
Prints the frame location information followed by COMMAND output.
By default, an error raised during the execution of COMMAND
aborts "frame apply".
Options:
-q
Disables printing the frame location information.
-c
Print any error raised by COMMAND and continue.
-s
Silently ignore any errors or empty output produced by COMMAND.
-past-main [on|off]
Set whether backtraces should continue past "main".
Normally the caller of "main" is not of interest, so GDB will terminate
the backtrace at "main". Set this if you need to see the rest
of the stack trace.
-past-entry [on|off]
Set whether backtraces should continue past the entry point of a program.
Normally there are no callers beyond the entry point of a program, so GDB
will terminate the backtrace there. Set this if you need to see
the rest of the stack trace.
~~~
TAB completion of options is now supported. Also, TAB completion of
COMMAND in "frame apply all COMMAND" does the right thing now, making
use of complete_command, added by the previous patch. E.g.:
(gdb) thread apply all -ascending frame apply all -past-main print -[TAB]
-address -elements -pretty -symbol
-array -null-stop -repeats -union
-array-indexes -object -static-members -vtbl
(gdb) thread apply all -ascending frame apply all -past-main print glo[TAB]
global1 global2
The change to tfaas_command is necessary because otherwise you get
this:
(gdb) tfaas --
Unrecognized option at: frame apply all -s --
That's because the above is equivalent to:
(gdb) thread apply all -s frame apply all -s --
and the "--" instructs "thread apply" to consider everything up to
"--" as its command options. And from that view, "frame" is an
invalid option.
The change makes tfaas be equivalent to:
(gdb) thread apply all -s -- frame apply all -s --
gdb/ChangeLog:
2019-06-13 Pedro Alves <palves@redhat.com>
* cli/cli-utils.c (parse_flags_qcs): Use validate_flags_qcs.
(validate_flags_qcs): New.
* cli/cli-utils.h (struct qcs_flags): Change field types to int.
(validate_flags_qcs): Declare.
* stack.c (qcs_flag_option_def, fr_qcs_flags_option_defs): New.
(make_frame_apply_options_def_group): New.
(frame_apply_command_count): Process options with
gdb::option::process_options.
(frame_apply_completer): New.
(frame_apply_level_completer, frame_apply_all_completer)
(frame_apply_completer): New.
(_initialize_stack): Update help of "frame apply", "frame apply
level", "frame apply all" and "faas" to mention supported options
and install command completers.
* stack.h (frame_apply_all_completer): Declare.
* thread.c: Include "stack.h".
(tfaas_command): Add "--".
(_initialize_thread): Update help "tfaas" to mention supported
options and install command completer.
gdb/testsuite/ChangeLog:
2019-06-13 Pedro Alves <palves@redhat.com>
* gdb.base/options.exp (test-frame-apply): New.
(top level): Test print commands with different "frame apply"
prefixes.
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This adds a procedure to the collection of completion-testing
routines, that allows checking whether completion offers all commands
as completion candidates. This will be used for testing completing
"frame apply all [TAB]", "thread apply all [TAB]", etc.
gdb/testsuite/ChangeLog:
2019-06-13 Pedro Alves <palves@redhat.com>
* lib/completion-support.exp (test_gdb_complete_tab_multiple)
(test_gdb_complete_cmd_multiple, test_gdb_complete_multiple): Add
'max_completions' parameter and handle it.
(test_gdb_completion_offers_commands): New.
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"backtrace"'s completer now completes on command options:
(gdb) bt -[TAB]
-entry-values -full -no-filters -past-main
-frame-arguments -hide -past-entry -raw-frame-arguments
But it doesn't know how to complete on qualifiers:
(gdb) bt fu[TAB]
funlockfile futimens futimes.c
funlockfile.c futimens.c futimesat
futex-internal.h futimes futimesat.c
This commit fixes that:
(gdb) bt fu[TAB]ll
(gdb) bt n[TAB]o-filters
(gdb) bt h[TAB]ide
I considered teaching the gdb::option framework to handle non-'-'
options, but decided it wasn't worth it for this special case, and I'd
rather not make it easy to add new qualifier-like options.
gdb/ChangeLog:
2019-06-13 Pedro Alves <palves@redhat.com>
* stack.c (parse_backtrace_qualifiers): New.
(backtrace_command): Use it.
(backtrace_command_completer): Complete on qualifiers.
gdb/testsuite/ChangeLog:
2019-06-13 Pedro Alves <palves@redhat.com>
* gdb.base/options.exp (test-backtrace): Test completing qualifiers.
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This adds support for comand options to the "backtrace" command. We'll get:
(gdb) bt -
-entry-values -hide -past-main
-frame-arguments -no-filters -raw-frame-arguments
-full -past-entry
~~~~
(gdb) help backtrace
Print backtrace of all stack frames, or innermost COUNT frames.
Usage: backtrace [OPTION]... [QUALIFIER]... [COUNT | -COUNT]
Options:
-entry-values no|only|preferred|if-needed|both|compact|default
Set printing of function arguments at function entry
GDB can sometimes determine the values of function arguments at entry,
in addition to their current values. This option tells GDB whether
to print the current value, the value at entry (marked as val@entry),
or both. Note that one or both of these values may be <optimized out>.
-frame-arguments all|scalars|none
Set printing of non-scalar frame arguments
-raw-frame-arguments [on|off]
Set whether to print frame arguments in raw form.
If set, frame arguments are printed in raw form, bypassing any
pretty-printers for that value.
-past-main [on|off]
Set whether backtraces should continue past "main".
Normally the caller of "main" is not of interest, so GDB will terminate
the backtrace at "main". Set this if you need to see the rest
of the stack trace.
-past-entry [on|off]
Set whether backtraces should continue past the entry point of a program.
Normally there are no callers beyond the entry point of a program, so GDB
will terminate the backtrace there. Set this if you need to see
the rest of the stack trace.
-full
Print values of local variables.
-no-filters
Prohibit frame filters from executing on a backtrace.
-hide
Causes Python frame filter elided frames to not be printed.
For backward compatibility, the following qualifiers are supported:
full - same as -full option.
no-filters - same as -no-filters option.
hide - same as -hide.
With a negative COUNT, print outermost -COUNT frames.
~~~~
Implementation wise, this:
- Moves relevant options/settings globals to structures.
- Tweaks a number of functions to pass down references to such structures.
- Adds option_def structures describing the options/settings.
- Makes backtrace_command parse the options, with gdb::option::process_options.
- Tweaks "backtrace"'s help to describe the new options.
- Adds testcases.
Note that backtrace is a PROCESS_OPTIONS_UNKNOWN_IS_OPERAND command,
because of the "-COUNT" argument.
The COUNT/-COUNT argument is currently parsed as an expression. I
considered whether it would be prudent here to require "--", but
concluded that the risk of causing a significant breakage here is much
lower compared to "print", since printing the expression is not the
whole point of the "backtrace" command. Seems OK to me to require
typing "backtrace -past-main -- -p" if the user truly wants to refer
to the negative of a backtrace count stored in an inferior variable
called "p".
gdb/ChangeLog:
2019-06-13 Pedro Alves <palves@redhat.com>
* frame.c: Include "cli/cli-option.h.
(user_set_backtrace_options): New.
(backtrace_past_main, backtrace_past_entry, backtrace_limit):
Delete.
(get_prev_frame): Adjust.
(boolean_option_def, uinteger_option_def)
(set_backtrace_option_defs): New.
(_initialize_frame): Adjust and use
gdb::option::add_setshow_cmds_for_options to install "set
backtrace past-main" and "set backtrace past-entry".
* frame.h: Include "cli/cli-option.h".
(struct frame_print_options): Forward declare.
(print_frame_arguments_all, print_frame_arguments_scalars)
(print_frame_arguments_none): Declare.
(print_entry_values): Delete declaration.
(struct frame_print_options, user_frame_print_options): New.
(struct set_backtrace_options): New.
(set_backtrace_option_defs, user_set_backtrace_options): Declare.
* mi/mi-cmd-stack.c (mi_cmd_stack_list_frames)
(mi_cmd_stack_list_locals, mi_cmd_stack_list_args)
(mi_cmd_stack_list_variables): Pass down USER_FRAME_PRINT_OPTIONS.
(list_args_or_locals): Add frame_print_options parameter.
(mi_cmd_stack_info_frame): Pass down USER_FRAME_PRINT_OPTIONS.
* python/py-framefilter.c (enumerate_args): Pass down
USER_FRAME_PRINT_OPTIONS.
* stack.c: Include "cli/cli-option.h".
(print_frame_arguments_all, print_frame_arguments_scalars)
(print_frame_arguments_none): Declare.
(print_raw_frame_arguments, print_entry_values): Delete.
(user_frame_print_options): New.
(boolean_option_def, enum_option_def, frame_print_option_defs):
New.
(struct backtrace_cmd_options): New.
(bt_flag_option_def): New.
(backtrace_command_option_defs): New.
(print_stack_frame): Pass down USER_FRAME_PRINT_OPTIONS.
(print_frame_arg, read_frame_arg, print_frame_args)
(print_frame_info, print_frame): Add frame_print_options parameter
and use it.
(info_frame_command_core): Pass down USER_FRAME_PRINT_OPTIONS.
(backtrace_command_1): Add frame_print_options and
backtrace_cmd_options parameters and use them.
(make_backtrace_options_def_group): New.
(backtrace_command): Process command options with
gdb::option::process_options.
(backtrace_command_completer): New.
(_initialize_stack): Extend "backtrace"'s help to mention
supported options. Install completer for "backtrace".
Install some settings commands with add_setshow_cmds_for_options.
gdb/testsuite/ChangeLog:
2019-06-13 Pedro Alves <palves@redhat.com>
* gdb.base/options.exp (test-backtrace): New.
(top level): Call it.
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A following patch will introduce options for the "backtrace" command,
based on some "set print" and "set backtrace" settings. There's one
setting in particular that is a bit annoying if we want to describe
the backtrace options and the settings commands using the same data
structures:
"set print raw frame-arguments"
The problem is that space between "raw" and "frame-arguments".
Calling the option
"bt -raw frame-arguments"
would be odd. So I'm calling the option
"bt -raw-frame-arguments"
instead.
And for consistency, this patch renames the set/show commands to:
"set print raw-frame-arguments"
"show print raw-frame-arguments"
I.e., dash instead of space. The old commands are left in place, but
marked deprecated.
We need to adjust a couple testcases, because the relevant tests use
gdb_test_no_output and the old commands are no longer silent:
(gdb) set print raw frame-arguments on
Warning: command 'set print raw frame-arguments' is deprecated.
Use 'set print raw-frame-arguments'.
gdb/ChangeLog:
2019-06-13 Pedro Alves <palves@redhat.com>
* NEWS (Changed commands): Mention set/show print raw-frame-arguments,
and that "set/show print raw frame-arguments" are now deprecated.
* cli/cli-decode.c (add_setshow_boolean_cmd): Now returns the
command.
* command.h (add_setshow_boolean_cmd): Return cmd_list_element *.
* stack.c (_initialize_stack): Install "set/show print
raw-frame-arguments", and deprecate "set/show print raw
frame-arguments".
* valprint.c (_initialize_valprint): Deprecate "set/show print
raw".
gdb/doc/ChangeLog:
2019-06-13 Pedro Alves <palves@redhat.com>
* gdb.texinfo (Print Settings): Document "set/show print
raw-frame-arguments" instead of "set/show print raw
frame-arguments".
gdb/testsuite/ChangeLog:
2019-06-13 Pedro Alves <palves@redhat.com>
* gdb.guile/scm-frame-args.exp: Use "set print
raw-frame-arguments" instead of "set print raw frame-arguments".
* gdb.python/py-frame-args.exp: Likewise.
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As I was in the neighbourhood, I converted the other "compile"
subcommands to the new options framework too. Specifically, "compile
code" and "compile file".
The user-visible changes are:
- All abbreviations of "-raw" are accepted now, instead of just -r.
Obviously that means "-ra" is now accepted.
- Option completion now works.
- "compile file" did not have a completer yet, and now it knows to
complete on filenames.
- You couldn't use "compile file" with a file named "-something".
You can now, with "compile file -- -something".
gdb/ChangeLog:
2019-06-13 Pedro Alves <palves@redhat.com>
* compile/compile.c (struct compile_options): New.
(compile_flag_option_def, compile_command_option_defs)
(make_compile_options_def_group): New.
(compile_file_command): Handle options with
gdb::option::process_options.
(compile_file_command_completer): New function.
(compile_code_command): Handle options with
gdb::option::process_options.
(compile_code_command_completer): New function.
(_initialize_compiler): Install completers for "compile code" and
"compile file". Mention available options in "compile code" and
"compile code"'s help.
* completer.c (advance_to_completion_word): New, factored out from
...
(advance_to_expression_complete_word_point): ... this.
(advance_to_filename_complete_word_point): New.
* completer.h (advance_to_filename_complete_word_point): New
declaration.
gdb/testsuite/ChangeLog:
2019-06-13 Pedro Alves <palves@redhat.com>
* gdb.compile/compile.exp: Adjust expected output to option
processing changes.
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This patch adds support for "print -option optval --", etc.
Likewise for "compile print".
We'll get:
~~~~~~
(gdb) help print
Print value of expression EXP.
Usage: print [[OPTION]... --] [/FMT] [EXP]
Options:
-address [on|off]
Set printing of addresses.
-array [on|off]
Set pretty formatting of arrays.
-array-indexes [on|off]
Set printing of array indexes.
-elements NUMBER|unlimited
Set limit on string chars or array elements to print.
"unlimited" causes there to be no limit.
-max-depth NUMBER|unlimited
Set maximum print depth for nested structures, unions and arrays.
When structures, unions, or arrays are nested beyond this depth then they
will be replaced with either '{...}' or '(...)' depending on the language.
Use "unlimited" to print the complete structure.
-null-stop [on|off]
Set printing of char arrays to stop at first null char.
-object [on|off]
Set printing of C++ virtual function tables.
-pretty [on|off]
Set pretty formatting of structures.
-repeats NUMBER|unlimited
Set threshold for repeated print elements.
"unlimited" causes all elements to be individually printed.
-static-members [on|off]
Set printing of C++ static members.
-symbol [on|off]
Set printing of symbol names when printing pointers.
-union [on|off]
Set printing of unions interior to structures.
-vtbl [on|off]
Set printing of C++ virtual function tables.
Note: because this command accepts arbitrary expressions, if you
specify any command option, you must use a double dash ("--")
to mark the end of option processing. E.g.: "print -o -- myobj".
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
I want to highlight the comment above about "--".
At first, I thought we could make the print command parse the options,
and if the option wasn't recognized, fallback to parsing as an
expression. Then, if the user wanted to disambiguate, he'd use the
"--" option delimiter. For example, if you had a variable called
"object" and you wanted to print its negative, you'd have to do:
(gdb) print -- -object
After getting that working, I saw that gdb.pascal/floats.exp
regressed, in these tests:
gdb_test "print -r" " = -1\\.2(499.*|5|500.*)"
gdb_test "print -(r)" " = -1.2(499.*|5|500.*)"
gdb_test "print -(r + s)" " = -3\\.4(499.*|5|500.*)"
It's the first one that I found most concerning. It regressed because
"-r" is the abbreviation of "-raw". I realized then that the behavior
change was a bit risker than I'd like, considering scripts, wrappers
around gdb, etc., and even user expectation. So instead, I made the
print command _require_ the "--" options delimiter if you want to
specify any option. So:
(gdb) print -r
is parsed as an expression, and
(gdb) print -r --
is parsed as an option.
I noticed that that's also what lldb's expr (the equivalent of print)
does to handle the same problem.
Going back the options themselves, note that:
- you can shorten option names, as long as unambiguous.
- For boolean options, 0/1 stand for off/on.
- For boolean options, "true" is implied.
So these are all equivalent:
(gdb) print -object on -static-members off -pretty on -- foo
(gdb) print -object -static-members off -pretty -- foo
(gdb) print -object -static-members 0 -pretty -- foo
(gdb) print -o -st 0 -p -- foo
TAB completion is fully supported:
(gdb) p -[TAB]
-address -elements -pretty -symbol
-array -null-stop -repeats -union
-array-indexes -object -static-members -vtbl
Note that the code is organized such that some of the options and the
"set/show" commands code is shared. In particular, the "print"
options and the corresponding "set print" commands are defined with
the same structures. The commands are installed with the
gdb::option::add_setshow_cmds_for_options function.
gdb/ChangeLog:
2019-06-13 Pedro Alves <palves@redhat.com>
* compile/compile.c: Include "cli/cli-option.h".
(compile_print_value): Scope data pointer is now a
value_print_options pointer; adjust.
(compile_print_command): Process options. Scope data pointer is
now a value_print_options pointer; adjust.
(_initialize_compile): Update "compile print"'s help to include
supported options. Install a completer for "compile print".
* cp-valprint.c (show_vtblprint, show_objectprint)
(show_static_field_print): Delete.
(_initialize_cp_valprint): Don't install "set print
static-members", "set print vtbl", "set print object" here.
* printcmd.c: Include "cli/cli-option.h" and
"common/gdb_optional.h".
(print_command_parse_format): Rework to fill in a
value_print_options instead of a format_data.
(print_value): Change parameter type from format_data pointer to
value_print_options reference. Adjust.
(print_command_1): Process options. Adjust to pass down a
value_print_options.
(print_command_completer): New.
(_initialize_printcmd): Install print_command_completer as
handle_brkchars completer for the "print" command. Update
"print"'s help to include supported options.
* valprint.c: Include "cli/cli-option.h".
(show_vtblprint, show_objectprint, show_static_field_print): Moved
here from cp-valprint.c.
(boolean_option_def, uinteger_option_def)
(value_print_option_defs, make_value_print_options_def_group):
New. Use gdb::option::add_setshow_cmds_for_options to install
"set print elements", "set print null-stop", "set print repeats",
"set print pretty", "set print union", "set print array", "set
print address", "set print symbol", "set print array-indexes".
* valprint.h: Include <string> and "cli/cli-option.h".
(make_value_print_options_def_group): Declare.
(print_value): Change parameter type from format_data pointer to
value_print_options reference.
(print_command_completer): Declare.
gdb/testsuite/ChangeLog:
2019-06-13 Pedro Alves <palves@redhat.com>
* gdb.base/options.exp: Build executable.
(test-print): New procedure.
(top level): Call it, once for "print" and another for "compile
print".
|
|
This commit adds a generic command options framework, that makes it
easy enough to add '-'-style options to commands in a uniform way,
instead of each command implementing option parsing in its own way.
Options are defined in arrays of option_def objects (for option
definition), and the same options definitions are used for supporting
TAB completion, and also for generating the relevant help fragment of
the "help" command. See the gdb::options::build_help function, which
returns a string with the result of replacing %OPTIONS% in a template
string with an auto-generated "help" string fragment for all the
passed-in options.
Since most options in GDB are in the form of "-OPT", with a single
dash, this is the format that the framework supports.
I like to think of gdb's "-OPT" as the equivalent to getopt's long
options format ("--OPT"), and gdb's "/" as the equivalent to getopt's
short options format. getopt's short options format allows mixing
several one-character options, like "ls -als", kind of similar to
gdb's "x /FMT" and "disassemble /MOD", etc. While with gdb's "-"
options, the option is expected to have a full name, and to be
abbreviatable. E.g., "watch -location", "break -function main", etc.
This patch only deals with "-" options. The above comment serves more
to disclose why I don't think we should support mixing several
unrelated options in a single "-" option invocation, like "thread
apply -qcs" instead of "thread apply -q -c -s".
The following patches will add uses of the infrastructure to several
key commands. Most notably, "print", "compile print", "backtrace",
"frame apply" and "thread apply". I tried to add options to several
commands in order to make sure the framework didn't leave that many
open holes open.
Options use the same type as set commands -- enum var_types. So
boolean options are var_boolean, enum options are var_enum, etc. The
idea is to share code between settings commands and command options.
The "print" options will be based on the "set print" commands, and
their names will be the same. Actually, their definitions will be the
same too. There is a function to create "set/show" commands from an
array for option definitions:
/* Install set/show commands for options defined in OPTIONS. DATA is
a pointer to the structure that holds the data associated with the
OPTIONS array. */
extern void add_setshow_cmds_for_options (command_class cmd_class, void *data,
gdb::array_view<const option_def> options,
struct cmd_list_element **set_list,
struct cmd_list_element **show_list);
That will be used by several following patches.
Other features:
- You can use the "--" delimiter to explicitly indicate end of
options. Several existing commands use this token sequence for
this effect already, so this just standardizes it.
- You can shorten option names, as long as unambiguous. Currently,
some commands allow this (e.g., break -function), while others do
not (thread apply all -ascending). As GDB allows abbreviating
command names and other things, it feels more GDB-ish to allow
abbreviating option names too, to me.
- For boolean options, 0/1 stands for off/on, just like with boolean
"set" commands.
- For boolean options, "true" is implied, just like with boolean "set
commands.
These are the option types supported, with a few examples:
- boolean options (var_boolean). The option's argument is optional.
(gdb) print -pretty on -- *obj
(gdb) print -pretty off -- *obj
(gdb) print -p -- *obj
(gdb) print -p 0 -- *obj
- flag options (like var_boolean, but no option argument (on/off))
(gdb) thread apply all -s COMMAND
- enum options (var_enum)
(gdb) bt -entry-values compact
(gdb) bt -e c
- uinteger options (var_uinteger)
(gdb) print -elements 100 -- *obj
(gdb) print -e 100 -- *obj
(gdb) print -elements unlimited -- *obj
(gdb) print -e u -- *obj
- zuinteger-unlimited options (var_zuinteger_unlimited)
(gdb) print -max-depth 100 -- obj
(gdb) print -max-depth -1 -- obj
(gdb) print -max-depth unlimited -- obj
Other var_types could be supported, of course. These were just the
types that I needed for the commands that I ported over, in the
following patches.
It was interesting (and unfortunate) to find that we need at least 3
different modes to cover the existing commands:
- Commands that require ending options with "--" if you specify any
option: "print" and "compile print".
- Commands that do not want to require "--", and want to error out if
you specify an unknown option (i.e., an unknown argument that starts
with '-'): "compile code" / "compile file".
- Commands that do not want to require "--", and want to process
unknown options themselves: "bt", because of "bt -COUNT",
"thread/frame apply", because "-" is a valid command.
The different behavior is encoded in the process_options_mode enum,
passed to process_options/complete_options.
For testing, this patch adds one representative maintenance command
for each of the process_options_mode values, that are used by the
testsuite to exercise the options framework:
(gdb) maint test-options require-delimiter
(gdb) maint test-options unknown-is-error
(gdb) maint test-options unknown-is-operand
and adds another command to help with TAB-completion testing:
(gdb) maint show test-options-completion-result
See their description at the top of the maint-test-options.c file.
Docs/NEWS are in a patch later in the series.
gdb/ChangeLog:
2019-06-13 Pedro Alves <palves@redhat.com>
* Makefile.in (SUBDIR_CLI_SRCS): Add cli/cli-option.c.
(COMMON_SFILES): Add maint-test-settings.c.
* cli/cli-decode.c (boolean_enums): New global, factored out from
...
(add_setshow_boolean_cmd): ... here.
* cli/cli-decode.h (boolean_enums): Declare.
* cli/cli-option.c: New file.
* cli/cli-option.h: New file.
* cli/cli-setshow.c (parse_cli_boolean_value(const char **)): New,
factored out from ...
(parse_cli_boolean_value(const char *)): ... this.
(is_unlimited_literal): Change parameter type to pointer to
pointer. Adjust and advance ARG pointer.
(parse_cli_var_uinteger, parse_cli_var_zuinteger_unlimited)
(parse_cli_var_enum): New, factored out from ...
(do_set_command): ... this. Adjust.
* cli/cli-setshow.h (parse_cli_boolean_value)
(parse_cli_var_uinteger, parse_cli_var_zuinteger_unlimited)
(parse_cli_var_enum): Declare.
* cli/cli-utils.c: Include "cli/cli-option.h".
(get_ulongest): New.
* cli/cli-utils.h (get_ulongest): Declare.
(check_for_argument): New overloads.
* maint-test-options.c: New file.
gdb/testsuite/ChangeLog:
2019-06-13 Pedro Alves <palves@redhat.com>
* gdb.base/options.c: New file.
* gdb.base/options.exp: New file.
|
|
We currently accept "o" with boolean/auto-boolean commands, taking it
to mean "on". But "o" is ambiguous, between "on" and "off". I can't
imagine why assuming the user wanted to type "on" is a good idea, it
might have been a typo.
This commit makes gdb error out. We now get:
(gdb) maint test-settings set boolean o
"on" or "off" expected.
(gdb) maint test-settings set auto-boolean o
"on", "off" or "auto" expected.
gdb/ChangeLog:
2019-06-13 Pedro Alves <palves@redhat.com>
* cli/cli-setshow.c (parse_auto_binary_operation)
(parse_cli_boolean_value): Don't allow "o".
gdb/testsuite/ChangeLog:
2019-06-13 Pedro Alves <palves@redhat.com>
* gdb.base/settings.exp (test-boolean, test-auto-boolean): Check
that "o" is ambiguous.
|
|
This commit adds new representative commands for all types of settings
commands supported by gdb (enum var_types), and then uses them to
exercise settings parsing and completion.
(gdb) maint test-settings s[TAB]
set show
(gdb) maint test-settings set [TAB]
auto-boolean integer uinteger
boolean optional-filename zinteger
enum string zuinteger
filename string-noescape zuinteger-unlimited
(gdb) maint test-settings set enum [TAB]
xxx yyy zzz
etc.
This is basically unit testing, except that it goes fully via GDB. It
must be done this way in order to exercise TAB completion properly,
which must go via readline.
gdb/ChangeLog:
2019-06-13 Pedro Alves <palves@redhat.com>
* Makefile.in (COMMON_SFILES): Add maint-test-settings.c.
* NEWS: Mention maint test-settings KIND.
* maint-test-settings.c: New file.
gdb/doc/ChangeLog:
2019-06-13 Pedro Alves <palves@redhat.com>
* gdb.texinfo (Maintenance Commands): Document "maint
test-settings" commands.
gdb/testsuite/ChangeLog:
2019-06-13 Pedro Alves <palves@redhat.com>
* gdb.base/settings.c: New file.
* gdb.base/settings.exp: New file.
|
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Noticed this while writing the following patch. We cd to $srcdir, not $objdir.
gdb/testsuite/ChangeLog:
2019-06-13 Pedro Alves <palves@redhat.com>
* gdb.base/completion.exp: Fix comment typo.
|
|
I noticed this inconsistency in the error messages below:
(gdb) print --1
Left operand of assignment is not an lvalue.
(gdb) thread apply 1 print --1
Thread 1 (Thread 0x7ffff7fb6740 (LWP 17805)):
inverted range
The "inverted range" error happens because get_number_trailer returns
0 to indicate error, but number_or_range_parser::get_number is not
checking for that. I tried detected the error there, but that doesn't
work because number_of_range_parser is used in places that _do_ want
to legitimately handle 0. IMO we should fix get_number_trailer's
interface or use something else when we want to parse 0 too.
I've decided to fix it in a different way, similarly to how
number_or_range_parser::finished was changed in commit 529c08b25ec7
("Add helper functions parse_flags and parse_flags_qcs").
Seems like a good change, even if we tweaked
number_or_range_parser::get_number, as it simplifies
thread_apply_command and makes them consistent with
number_or_range_parser::finished().
We now get the same error message in both cases:
(gdb) print --1
Left operand of assignment is not an lvalue.
(gdb) thread apply 1 print --1
Thread 1 (Thread 0x7ffff7fb6740 (LWP 17805)):
Left operand of assignment is not an lvalue.
gdb/ChangeLog:
2019-06-13 Pedro Alves <palves@redhat.com>
* thread.c (thread_apply_command): Adjust TID parsing.
* tid-parse.c (tid_range_parser::finished): Ensure parsing end is
detected before end of string.
(tid_is_in_list): Error out if LIST is invalid.
gdb/testsuite/ChangeLog:
2019-06-13 Pedro Alves <palves@redhat.com>
* gdb.multi/tids.exp: Adjust expected output. Add "thread apply 1
foo --1" test.
|
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Add missing ChangeLog entries for previous commit.
gdb/ChangeLog:
2019-06-11 Bernhard Heckel <bernhard.heckel@intel.com>
* dwarf2read.c (add_partial_symbol): Skip nameless modules.
gdb/testsuite/Changelog:
2019-06-11 Bernhard Heckel <bernhard.heckel@intel.com>
* gdb.fortran/block-data.f: New.
* gdb.fortran/block-data.exp: New.
|
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A name for BLOCK DATA in Fortran is optional. If no name has been
assigned, GDB crashes during read-in of DWARF when BLOCK DATA is
represented via DW_TAG_module. BLOCK DATA is used for one-time
initialization of non-pointer variables in named common blocks.
As of now there is no issue when gfortran is used as DW_TAG_module is
not emitted. However, with Intel ifort the nameless DW_TAG_module is
present and has the following form:
...
<1><dd>: Abbrev Number: 7 (DW_TAG_module)
<de> DW_AT_decl_line : 46
<df> DW_AT_decl_file : 1
<e0> DW_AT_description : (indirect string, offset: 0x110): block
data
<e4> DW_AT_high_pc : 0x402bb7
<ec> DW_AT_low_pc : 0x402bb7
...
The missing name leads to a crash in add_partial_symbol, during length
calculation.
gdb/ChangeLog:
2019-06-11 Bernhard Heckel <bernhard.heckel@intel.com>
* dwarf2read.c (add_partial_symbol): Skip nameless modules.
gdb/testsuite/Changelog:
2019-06-11 Bernhard Heckel <bernhard.heckel@intel.com>
* gdb.fortran/block-data.f: New.
* gdb.fortran/block-data.exp: New.
|
|
We see this failure with the readnow board:
...
FAIL: gdb.multi/remove-inferiors.exp: load binary
...
When running with board readnow, an extra message "Expanding full symbols" is
emitted after the "Reading symbols" message, and the regexp corresponding to
the FAIL only allows the first message.
Fix this by allowing the extra message in the regexp.
gdb/testsuite/ChangeLog:
2019-06-11 Tom de Vries <tdevries@suse.de>
PR testsuite/24521
* gdb.multi/remove-inferiors.exp: Allow "Expanding full symbols"
message.
|
|
When running gdb.dwarf2/nonvar-access.exp with board readnow, we have:
...
FAIL: gdb.dwarf2/nonvar-access.exp: print/x def_implicit_s
...
and 12 more similar failures.
I've tracked this down to the range of main being hardcoded to
[_main, _main+0x10000) in the dwarf assembly:
...
DW_TAG_subprogram {
{name main}
{DW_AT_external 1 flag}
{low_pc [gdb_target_symbol main] DW_FORM_addr}
{high_pc [gdb_target_symbol main]+0x10000 DW_FORM_addr}
} {
...
which overlaps with the .debug_info for the elf-init.c CU (containing
__libc_csu_init and __libc_csu_fini).
Fix this by using function_range to find the actual range of main.
Tested on x86_64-linux.
gdb/testsuite/ChangeLog:
2019-06-11 Tom de Vries <tdevries@suse.de>
PR testsuite/24521
* gdb.dwarf2/nonvar-access.exp: Fix main high_pc.
|
|
Add a target board to test -readnow.
gdb/testsuite/ChangeLog:
2019-06-11 Tom de Vries <tdevries@suse.de>
* boards/readnow.exp: New file.
|
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When extracting an array slice we should give up if the array is
not-allocated or not-associated. For Fortran, at least in gfortran
compiled code, the upper and lower bounds are undefined if the array
is not allocated or not associated, in which case performing checks
against these bounds will result in undefined behaviour.
Better then to throw an error if we try to slice such an array. This
changes the error message that the user will receive in these
cases (if they got an error message before). Previously they may have
gotten "slice out of range" now they'll get "array not allocated" or
"array not associated".
gdb/ChangeLog:
* valops.c (value_slice): Check for not allocated or not
associated values.
gdb/testsuite/ChangeLog:
* gdb.fortran/vla-sizeof.exp: Update expected results.
|
|
gdb/ChangeLog
2019-04-26 Amos Bird <amosbird@gmail.com>
* annotate.c (annotate_thread_exited): Add "thread-exited"
annotation.
gdb/doc/ChangeLog
2019-06-06 Amos Bird <amosbird@gmail.com>
* annotate.texinfo (Multi-threaded Apps): Add entry for thread-exited
annotation.
gdb/testsuite/ChangeLog
2019-06-06 Amos Bird <amosbird@gmail.com>
* gdb.base/annota1.exp (thread_switch): Add test for
thread-exited annotation.
|
|
Currently "maint time" will print the amount of time a command took.
Sometimes, though, it's useful to have a timestamp as well -- for
example if one is correlating a gdb log with some other log.
This patch adds a timestamp to the start and end of each command when
this setting is in effect.
This also removes a "//" comment and changes scoped_command_stats to
use DISABLE_COPY_AND_ASSIGN; two minor things I noticed while working
on the patch.
Tested on x86-64 Fedora 29.
gdb/ChangeLog
2019-06-06 Tom Tromey <tromey@adacore.com>
* maint.h (class scoped_command_stats): Use
DISABLE_COPY_AND_ASSIGN.
<print_time>: New method.
* maint.c (scoped_command_stats, ~scoped_command_stats): Call
print_time.
(scoped_command_stats::print_time): New method.
gdb/testsuite/ChangeLog
2019-06-06 Tom Tromey <tromey@adacore.com>
* gdb.base/maint.exp: Expect command started/finished output.
|
|
Remove the use of 'I' within some comments in a recently added test.
gdb/testsuite/ChangeLog:
* gdb.arch/riscv-unwind-long-insn-6.s: Remove use of 'I' in
comment.
* gdb.arch/riscv-unwind-long-insn-8.s: Likewise.
|
|
If the RISC-V prologue scanner finds a 6 or 8 byte instruction we
currently throw an internal error, which is not great for the user.
A mechanism already exists in the prologue scanner to leave
instructions marked as unknown so that we can stop the prologue scan
without raising an error, this is used for all 2 and 4 byte
instructions that are not part of the small set the prologue scanner
actually understands.
This commit changes GDB so that all 6 and 8 byte instructions are
marked as unknown, rather than causing an error.
gdb/ChangeLog:
* riscv-tdep.c (riscv_insn::decode): Gracefully ignore
instructions of lengths 6 or 8 bytes.
gdb/testsuite/ChangeLog:
* gdb.arch/riscv-unwind-long-insn-6.s: New file.
* gdb.arch/riscv-unwind-long-insn-8.s: New file.
* gdb.arch/riscv-unwind-long-insn.c: New file.
* gdb.arch/riscv-unwind-long-insn.exp: New file.
|
|
|
|
This allows users of the Python API to find the objfile where a type
was defined.
gdb/ChangeLog:
gdb/ChangeLog
2019-06-04 Christian Biesinger <cbiesinger@google.com>
Add objfile property to gdb.Type.
* gdb/NEWS: Mention Python API addition.
* gdb/python/py-type.c (typy_get_objfile): New method.
gdb/doc/ChangeLog
2019-06-04 Christian Biesinger <cbiesinger@google.com>
* gdb/doc/python.texi: Document new gdb.Type.objfile property.
gdb/testsuite/ChangeLog
2019-06-04 Christian Biesinger <cbiesinger@google.com>
* gdb/testsuite/gdb.python/py-type.exp: Test for new
gdb.Type.objfile property.
|
|
Factorizes the testing of the help output, by having a single place
that defines the common help trailer and/or prefix messages.
|
|
gdb/testsuite/ChangeLog
2019-05-31 Philippe Waroquiers <philippe.waroquiers@skynet.be>
* gdb.base/shell.exp: Test pipe command, $_shell_exitcode,
$_shell_exitsignal.
* gdb.base/default.exp: Update for new convenience variables.
|
|
I noticed a failure in gdb.ada/complete.exp when testing locally:
FAIL: gdb.ada/complete.exp: complete break ada
This failed due to this output:
[...]
break ada/generated/gnatvsn.ads
break ada/libgnat/s-excmac.ads
break ada/sdefault.adb
break ada/snames.adb
break ada/snames.ads
This patch updates the regexp to allow "/" and "-" to appear.
gdb/testsuite/ChangeLog
2019-05-29 Tom Tromey <tromey@adacore.com>
* gdb.ada/complete.exp (test_gdb_no_completion): Add "/" and "-"
to "break complete ada" test case's regexp.
|
|
PR c++/20020 concerns a crash in cp_print_value_fields. The immediate
cause is that cp_print_value_fields does not handle the case where
value_static_field fails. This is fixed in this patch by calling
cp_print_static_field from the "try" block.
Digging a bit deeper, the error occurs because GCC does not emit a
DW_AT_const_value for a static constexpr member appearing in a
template class. I've filed a GCC bug for this.
Tested on x86-64 Fedora 29.
gdb/ChangeLog
2019-05-29 Tom Tromey <tromey@adacore.com>
PR c++/20020:
* cp-valprint.c (cp_print_value_fields): Call
cp_print_static_field inside "try".
gdb/testsuite/ChangeLog
2019-05-29 Tom Tromey <tromey@adacore.com>
PR c++/20020:
* gdb.cp/constexpr-field.exp: New file.
* gdb.cp/constexpr-field.cc: New file.
|
|
A user wanted to be able to disable the display of the value when
using "finish" -- but still have the value entered into the value
history in case it was useful later on. Part of the rationale here is
that sometimes the value might be quite large, or expensive to display
(in their case this was compounded by a rogue pretty-printer).
This patch implements this idea.
gdb/ChangeLog
2019-05-29 Tom Tromey <tromey@adacore.com>
* NEWS: Add entry.
* infcmd.c (print_return_value_1): Handle finish_print
option.
(show_print_finish): New function.
(_initialize_infcmd): Add "set/show print finish" commands.
* valprint.c (user_print_options): Initialize new member.
* valprint.h (struct value_print_options) <finish_print>: New
member.
gdb/doc/ChangeLog
2019-05-29 Tom Tromey <tromey@adacore.com>
* gdb.texinfo (Continuing and Stepping): Document new
commands.
gdb/testsuite/ChangeLog
2019-05-29 Tom Tromey <tromey@adacore.com>
* gdb.base/finish.exp (finish_no_print): New proc.
(finish_tests): Call it.
|
|
Add a test-case gdb.dwarf2/gdb-add-index.exp to test
gdb/contrib/gdb-add-index.sh.
Tested with x86_64-linux.
gdb/testsuite/ChangeLog:
2019-05-24 Tom de Vries <tdevries@suse.de>
* gdb.dwarf2/gdb-add-index.exp: New file.
|
|
This adds a "style" helper proc to the test suite, and updates
existing style tests to use it. Thanks to Sergio for the idea.
Tested on x86-64 Fedora 29.
gdb/testsuite/ChangeLog
2019-05-22 Tom Tromey <tromey@adacore.com>
* gdb.base/info-shared.exp (check_info_shared): Use "style".
* gdb.base/style.exp: Use "style".
* lib/gdb-utils.exp (style): New proc.
|
|
When building gdb on ubuntu 16.04 with gcc 5.4.0, and running the gdb
testsuite we run into a failure due align.exp requiring at least c++11.
Fix this by adding -std=c++11.
Tested on x86_64-linux.
gdb/testsuite/ChangeLog:
2019-05-22 Tom de Vries <tdevries@suse.de>
* gdb.base/align.exp: Require c++11.
|
|
py-mi-var-info-path-expression.exp
Fix gdb.python/py-mi-var-info-path-expression.exp for a gdb build without
python support.
gdb/testsuite/ChangeLog:
2019-05-22 Tom de Vries <tdevries@suse.de>
PR testsuite/24586
* gdb.python/py-mi-var-info-path-expression.exp: Call
mi_skip_python_tests to check if python is supported.
|
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Running an address signed binary through GDB on a non pauth system
gives the following error:
Call Frame Instruction op 45 in vendor extension space is not handled on this architecture.
Instead GDB should ignore the op, treating it as a nop.
Add test case for pauth binaries, regardless of whether the target
supports it.
gdb/ChangeLog:
* aarch64-tdep.c (aarch64_execute_dwarf_cfa_vendor_op): Treat
DW_CFA_AARCH64_negate_ra_state as nop on non pauth targets.
gdb/testsuite/ChangeLog:
* gdb.arch/aarch64-pauth.c: New test.
* gdb.arch/aarch64-pauth.exp: New file.
|
|
Add missing documentation for the debugredirect setting.
Add description and uses of gdb.in/gdb.cmd to the testsuite README.
Mention this in the NEWS file.
gdb/ChangeLog:
* NEWS: Add debugredirect and testsuite sections.
gdb/doc/ChangeLog:
* gdb.texinfo (Shell Commands): Add debugredirect.
gdb/testsuite/ChangeLog:
* README (Re-running Tests Outside The Testsuite): New section.
|
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When building gdb on ubuntu 16.04 with gcc 5.4.0, and running the gdb
testsuite we run into failures due test-cases requiring at least c++1.
Fix this by adding -std=c++11 to those test-cases.
Tested on x86_64-linux.
gdb/testsuite/ChangeLog:
2019-05-21 Tom de Vries <tdevries@suse.de>
* gdb.arch/amd64-eval.exp: Require c++11.
* gdb.base/max-depth.exp: Same.
* gdb.compile/compile-cplus-array-decay.exp: Same.
* gdb.cp/meth-typedefs.exp: Same.
* gdb.cp/subtypes.exp: Same.
* gdb.cp/temargs.exp: Same.
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This matches the kill in gdb_file_cmd, and ensures that the command is not
sent to the gdb.in file.
When gdb.in is used as a batch file, any kill commands run before the target
is started will cause gdb to stop processing commands.
gdb/testsuite/ChangeLog:
* lib/gdbserver-support.exp (gdbserver_run): Mark kill as optional.
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PR gdb/18644 is caused by GDB using the wrong floating point format
for gfortran's 16-byte floating point type, including when the 16-byte
float is used as the component of a 32-byte complex type.
This commit addresses the issue in two places, first in i386-tdep.c,
there is already some code to force the use of floatformats_ia64_quad
for specific named types, this is extended to include the type names
that gfortran uses for its 16-byte floats.
Second, the builtin 16-byte float type (in f-lang.c) is changed so it
no longer uses gdbarch_long_double_format. On i386 this type is not
16-bytes, but is smaller, this is not what gfortran is expecting.
Instead we now use gdbarch_floatformat_for_type and ask for a
16-byte (128 bit) type using the common gfortran type name. This is
then spotted in i386-tdep.c (thanks to the first change above) and we
again get floatformats_ia64_quad returned.
This patch was tested on X86-64/GNU-Linux using '--target_board=unix'
and '--target_board=unix/-m32', and resolves all of the known failures
associated with PR gdb/18644. I've also added the test case from the
original bug report.
gdb/ChangeLog:
PR gdb/18644:
* f-lang.c (build_fortran_types): Use floatformats_ia64_quad for
16-byte floats.
* i386-tdep.c (i386_floatformat_for_type): Use
floatformats_ia64_quad for the 16-byte floating point component
within a fortran 32-byte complex number.
gdb/testsuite/ChangeLog:
PR gdb/18644
* gdb.fortran/complex.exp: Remove setup_kfail calls.
* gdb.fortran/printing-types.exp: Add new test.
* gdb.fortran/printing-types.f90: Add 16-byte real variable for
testing.
* gdb.fortran/type-kinds.exp (test_cast_1_to_type_kind): Remove
setup_kfail call.
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TRANSCRIPT is superseeded by the .in, .cmd and .debug files, and
can be removed.
gdb/testsuite/ChangeLog
* README (Running the Testsuite): Change example.
(Testsuite Parameters): Remove TRANSCRIPT.
* lib/gdb.exp: Remove TRANSCRIPT check.
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Add "replay" to the list of GDBSERVER_DEBUG options. This will
cause a gdbserver.replay file to be written to the test output
directory.
At the same time switch this to a comma separated list in order
to easily handle all possible options.
The replay log is created by GDB, but has been added to
GDBSERVER_DEBUG as it is only required for gdbserver tests. To
enable it, the gdb_debug_init is overridden to allow the additional
checking, before calling the original function.
gdb/testsuite/ChangeLog:
* README (Testsuite Parameters): Add replay logging to
GDBSERVER_DEBUG.
(gdbserver,debug): Refer to GDBSERVER_DEBUG.
* lib/gdbserver-support.exp (gdbserver_start): Treat gdbserverdebug
as a comma separated list.
(gdb_debug_init): Override procedure.
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When spawning gdb or gdbserver create a .cmd file in the test output
directory containing the full command line, ensuring the current gdb
instance is appended to the files so that they can be quickly matched
to the corresponding gdb.in file.
gdb/testsuite/ChangeLog:
* lib/gdb.exp (default_gdb_spawn): Call gdb_write_cmd_file.
(gdb_write_cmd_file): New procedure.
* lib/gdbserver-support.exp (gdbserver_start): Call
gdbserver_write_cmd_file.
(gdbserver_write_cmd_file): New proedure.
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