Commit Graph

803 Commits

Author SHA1 Message Date
Andrew Burgess 30056ea04a gdb/mi: New commands to catch C++ exceptions
Adds some MI commands to catch C++ exceptions.  The new commands are
-catch-throw, -catch-rethrow, and -catch-catch, these all correspond
to the CLI commands 'catch throw', 'catch rethrow', and 'catch catch'.

Each MI command takes two optional arguments, '-t' has the effect of
calling 'tcatch' instead of 'catch', for example:

   (gdb)
   -catch-throw -t

Is the same as:

   (gdb) tcatch throw

There is also a '-r REGEXP' argument that can supply a regexp to match
against the exception type, so:

   (gdb)
   -catch-catch -r PATTERN

Is the same as:

   (gdb) catch catch PATTERN

The change in print_mention_exception_catchpoint might seem a little
strange; changing the output from using ui_out::field_int and
ui_out::text to using  ui_out::message.

The print_mention_exception_catchpoint is used as the 'print_mention'
method for the exception catchpoint breakpoint object.  Most of the
other 'print_mention' methods (see breakpoint.c) use either
printf_filtered, of ui_out::message.  Using field_int was causing an
unexpected field to be added to the MI output.  Here's the output
without the change in print_mention_exception_catchpoint:

    (gdb)
    -catch-throw
    ^done,bkptno="1",bkpt={number="1",type="breakpoint",disp="keep",
                           enabled="y",addr="0x00000000004006c0",
                           what="exception throw",catch-type="throw",
                           thread-groups=["i1"],times="0"}

Notice the breakpoint number appears in both the 'bkptno' field, and
the 'number' field within the 'bkpt' tuple.  Here's the output with
the change in print_mention_exception_catchpoint:

    (gdb)
    -catch-throw
    ^done,bkpt={number="1",type="breakpoint",disp="keep",
                enabled="y",addr="0x00000000004006c0",
                what="exception throw",catch-type="throw",
                thread-groups=["i1"],times="0"}

gdb/ChangeLog:

	* NEWS: Mention new MI commands.
	* break-catch-throw.c (enum exception_event_kind): Move to
	breakpoint.h.
	(print_mention_exception_catchpoint): Output text as a single
	message.
	(catch_exception_command_1): Rename to...
	(catch_exception_event): ...this, make non-static, update header
	command, and change some parameter types.
	(catch_catch_command): Update for changes to
	catch_exception_command_1.
	(catch_throw_command): Likewise.
	(catch_rethrow_command): Likewise.
	* breakpoint.c (enum exception_event_kind): Delete.
	* breakpoint.h (enum exception_event_kind): Moved here from
	break-catch-throw.c.
	(catch_exception_event): Declare.
	* mi/mi-cmd-catch.c (mi_cmd_catch_exception_event): New function.
	(mi_cmd_catch_throw): New function.
	(mi_cmd_catch_rethrow): New function.
	(mi_cmd_catch_catch): New function.
	* mi/mi-cmds.c (mi_cmds): Add 'catch-throw', 'catch-rethrow', and
	'catch-catch' entries.
	* mi/mi-cmds.h (mi_cmd_catch_throw): Declare.
	(mi_cmd_catch_rethrow): Declare.
	(mi_cmd_catch_catch): Declare.

gdb/doc/ChangeLog:

	* gdb.texinfo (GDB/MI Catchpoint Commands): Add menu entry to new
	node.
	(C++ Exception GDB/MI Catchpoint Commands): New node to describe
	new MI commands.

gdb/testsuite/ChangeLog:

	* gdb.mi/mi-catch-cpp-exceptions.cc: New file.
	* gdb.mi/mi-catch-cpp-exceptions.exp: New file.
	* lib/mi-support.exp (mi_expect_stop): Handle 'exception-caught'
	as a stop reason.
2019-06-15 23:22:22 +01:00
Pedro Alves d4c16835ca Make "backtrace" support -OPT options
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.
2019-06-13 00:19:14 +01:00
Pedro Alves b02f78f928 Introduce and use make_unique_xstrdup
Adds an utility function to make it shorter to write the common case
of wrapping an xstrdup with a unique_xmalloc_ptr, and uses it
throughout.

Note: I tried to put this in common/common-utils.h near skip_spaces,
etc. but that is included in common/common-defs.h before
common/gdb_unique_ptr.h is included, so it would fail to compile
because gdb::unique_xmalloc_ptr isn't defined at that point yet.  I
tried moving the gdb_unique_ptr.h inclusion before common-utils.h, but
that doesn't work because gdb_unique_ptr.h depends on common-utils.h
for xfree.

gdb/ChangeLog:
2019-06-04  Pedro Alves  <palves@redhat.com>

	* common/gdb_unique_ptr.h (make_unique_xstrdup): New.

	* ada-lang.c (catch_ada_completer): Use make_unique_xstrdup.
	* breakpoint.c (condition_completer): Likewise.
	* cli/cli-dump.c (scan_expression): Likewise.
	* common/filestuff.c (mkdir_recursive): Likewise.
	* common/gdb_tilde_expand.c (gdb_tilde_expand_up)
	* common/pathstuff.c (gdb_realpath, gdb_realpath_keepfile)
	(gdb_abspath): Likewise.
	* compile/compile-cplus-types.c
	(compile_cplus_instance::decl_name): Likewise.
	* completer.c (complete_explicit_location):
	(signal_completer, reg_or_group_completer_1): Likewise.
	* cp-support.c (cp_remove_params_if_any): Likewise.
	* fbsd-tdep.c (fbsd_core_vnode_path): Likewise.
	* guile/scm-safe-call.c (gdbscm_safe_eval_string): Likewise.
	* infcmd.c (strip_bg_char): Likewise.
	* linespec.c (copy_token_string): Likewise.
	* mi/mi-main.c (output_cores): Likewise.
	* psymtab.c (psymtab_search_name):
	* symfile.c (test_set_ext_lang_command): Likewise.
	* target.c (target_fileio_read_stralloc): Likewise.
	* tui/tui-regs.c (tui_reggroup_completer): Likewise.
	* value.c (complete_internalvar): Likewise.

gdb/gdbserver/ChangeLog:
2019-06-04  Pedro Alves  <palves@redhat.com>

	* server.c (captured_main): Use make_unique_xstrdup.
2019-06-04 22:48:32 +01:00
Alan Hayward ca1285d175 Add debug redirect option
Currently, when logging is enabled, output will be sent to both a
logfile and standard terminal output.  The redirect option sends output
only to the logfile.  This includes all debug output.

Add the option to redirect debug output seperately to normal
output, using the cli command:

  set logging debugredirect on

By setting this and enabling logging, all output and debug will
be sent to the logfile.  The user will still see all output but
no debug output.

This causes a change in behaviour for anyone currently using
logging redirect, as now only output will be redirected.  Users
will have to issue the additional command above to also redirect
debug.

Expand ui-redirect.exp cover the changes.

gdb/ChangeLog:

	* cli/cli-interp.c (struct saved_output_files): Add saved entry.
	(cli_interp_base::set_logging): Check debug_redirect.
	* cli/cli-interp.h (set_logging): Add debug_redirect parameter.
	* cli/cli-logging.c (debug_redirect): Add static variable.
	(pop_output_files): Add default param.
	(handle_redirections): Print debug setting.
	(show_logging_command): Likewise.
	(_initialize_cli_logging): Add debugredirect command.
	* interps.c (current_interp_set_logging): Add debug_redirect
	parameter.
	* interps.h (set_logging): Add debug_redirect parameter.
	(current_interp_set_logging): Likewise.
	* mi/mi-common.h: Likewise.
	* mi/mi-interp.c (mi_interp::set_logging): Likewise.

gdb/testsuite/ChangeLog:

	* gdb.base/ui-redirect.exp: Add debug redirect tests.
2019-05-17 14:21:47 +01:00
Alan Hayward f3a09c800f Change file close behavior for tee_file
Instead of using two bools to decide if the files should close when tee_file
is closed, make file one stay open and file two close.  This simplifies the
use cases for it.

Inline the make_logging_output into the calling functions (the logic here
looks ugly in order to simplify a later change).

Expand ui-redirect.exp to cover the changes, similar to mi-logging.exp.

gdb/ChangeLog:

	* cli/cli-interp.c (cli_interp_base::set_logging): Create tee_file
	directly.
	* cli/cli-interp.h (make_logging_output): Remove declaration.
	* cli/cli-logging.c (make_logging_output): Remove function.
	* mi/mi-interp.c (mi_interp::set_logging): Create tee_file
	directly.
	* ui-file.c (tee_file::tee_file): Remove bools.
	(tee_file::~tee_file): Remove deletes.
	* ui-file.h (tee_file): Remove bools.

gdb/testsuite/ChangeLog:

	* gdb.base/ui-redirect.exp: Test redirection.
2019-05-17 14:07:04 +01:00
Jan Vrany 2664858829 MI: Add new command -complete
There is a CLI command 'complete' intended to use with emacs. Such a command
would also be useful for MI frontends, when separate CLI and MI channels cannot
be used. For example, on Windows (because of lack of PTYs) or when GDB is used
through SSH session.

This commit adds a new '-complete' MI command.

gdb/Changelog:
2019-01-28  Jan Vrany  <jan.vrany@fit.cvut.cz>

	* mi/mi-cmds.h (mi_cmd_complete): New function.
	* mi/mi-main.c (mi_cmd_complete): Likewise.
	* mi/mi-cmds.c: Define new MI command -complete.
	* NEWS: Mention new -complete command.

gdb/doc/ChangeLog:
2019-01-28  Jan Vrany  <jan.vrany@fit.cvut.cz>

	* gdb.texinfo (Miscellaneous GDB/MI Commands): Document new
	MI command -complete.

gdb/testsuite/ChangeLog:
2019-01-28  Jan Vrany  <jan.vrany@fit.cvut.cz>

	* gdb.mi/mi-complete.exp: New file.
	* gdb.mi/mi-complete.cc: Likewise.
2019-05-17 10:58:23 +01:00
Simon Marchi 1367480341 Fix GDB build when using --disable-gdbmi
Since commit

    b4be1b0648 ("Fix MI output for multi-location breakpoints")

we get this error when building with --disable-gdbmi:

      CXXLD  gdb
    /home/smarchi/src/binutils-gdb/gdb/breakpoint.c:6358: error: undefined reference to 'mi_multi_location_breakpoint_output_fixed(ui_out*)'

This is due to breakpoint.c using a function defined in mi/mi-main.c, even
though mi/mi-main.c isn't included in the build.

To fix it, use the flags feature of ui_out.  mi_ui_out has the new
fix_multi_location_breakpoint_output flag set for versions >= 3.  Also,
move the global variable fix_multi_location_breakpoint_output to
breakpoint.c, so it can be read there even when we build without MI.  I
renamed it to fix_multi_location_breakpoint_output_globally so it
doesn't clash with the new enumerator.

gdb/ChangeLog:

	* breakpoint.h (fix_multi_location_breakpoint_output_globally):
	New variable declaration.
	* breakpoint.c (fix_multi_location_breakpoint_output_globally):
	New variable.
	(print_one_breakpoint): Use ui_out::test_flags and new global
	variable to compute use_fixed_output.
	* mi/mi-main.h (mi_multi_location_breakpoint_output_fixed):
	Remove.
	* mi/mi-main.c (fix_multi_location_breakpoint_output): Remove.
	(mi_multi_location_breakpoint_output_fixed): Remove.
	(mi_cmd_fix_multi_location_breakpoint_output): Adjust to set the
	new variable.
	* mi/mi-out.c (mi_ui_out::mi_ui_out): Set
	fix_multi_location_breakpoint_output flag if version >= 3.
	* ui-out.h (enum ui_out_flag)
	<fix_multi_location_breakpoint_output>: New enumerator.
2019-05-10 17:22:09 -04:00
Tom Tromey 94aeb44b00 Make exception handling more efficient
This makes exception handling more efficient in a few spots, through
the use of const- and rvalue-references.

I wrote this patch by commenting out the gdb_exception copy
constructor and then examining the resulting error messages one by
one, introducing the use of std::move where appropriate.

gdb/ChangeLog
2019-04-25  Tom Tromey  <tromey@adacore.com>

	* xml-support.c (struct gdb_xml_parser) <set_error>: Take an
	rvalue reference.
	(gdb_xml_start_element_wrapper, gdb_xml_end_element_wrapper)
	(gdb_xml_parser::parse): Use std::move.
	* python/python-internal.h (gdbpy_convert_exception): Take a const
	reference.
	* python/py-value.c (valpy_getitem, valpy_nonzero): Use
	std::move.
	* python/py-utils.c (gdbpy_convert_exception): Take a const
	reference.
	* python/py-inferior.c (infpy_write_memory, infpy_search_memory):
	Use std::move.
	* python/py-breakpoint.c (bppy_set_condition, bppy_set_commands):
	Use std::move.
	* mi/mi-main.c (mi_print_exception): Take a const reference.
	* main.c (handle_command_errors): Take a const reference.
	* linespec.c (parse_linespec): Use std::move.
	* infcall.c (run_inferior_call): Use std::move.
	(call_function_by_hand_dummy): Use std::move.
	* exec.c (try_open_exec_file): Use std::move.
	* exceptions.h (exception_print, exception_fprintf)
	(exception_print_same): Update.
	* exceptions.c (print_exception, exception_print)
	(exception_fprintf, exception_print_same): Change parameters to
	const reference.
	* event-top.c (gdb_rl_callback_read_char_wrapper): Update.
	* common/new-op.c: Use std::move.
	* common/common-exceptions.h (struct gdb_exception): Add move
	constructor.
	(struct gdb_exception_error, struct gdb_exception_quit, struct
	gdb_quit_bad_alloc): Change constructor to move constructor.
	(throw_exception): Change parameter to rvalue reference.
	* common/common-exceptions.c (throw_exception): Take rvalue
	reference.
	* cli/cli-interp.c (safe_execute_command): Use std::move.
	* breakpoint.c (insert_bp_location, location_to_sals): Use
	std::move.
2019-04-25 12:59:35 -06:00
Tom Tromey cc06b66897 Remove exception_none
Now that gdb_exception has a constructor, there's no need for
exception_none.  This patch removes it.

gdb/ChangeLog
2019-04-25  Tom Tromey  <tromey@adacore.com>

	* xml-support.c (gdb_xml_parser::gdb_xml_parser): Update.
	* python/py-value.c (valpy_getitem, valpy_nonzero): Update.
	* python/py-inferior.c (infpy_write_memory, infpy_search_memory):
	Update.
	* python/py-breakpoint.c (bppy_set_condition, bppy_set_commands):
	Update.
	* mi/mi-interp.c (mi_interp::exec): Update.
	* linespec.c (parse_linespec): Update.
	* infcall.c (run_inferior_call): Update.
	* guile/scm-value.c (gdbscm_value_to_lazy_string): Update.
	* guile/scm-symbol.c (gdbscm_lookup_symbol)
	(gdbscm_lookup_global_symbol): Update.
	* guile/scm-param.c (gdbscm_parameter_value): Update.
	* guile/scm-frame.c (gdbscm_frame_read_register)
	(gdbscm_frame_read_var): Update.
	* guile/scm-breakpoint.c (gdbscm_register_breakpoint_x): Update.
	* exec.c (try_open_exec_file): Update.
	* event-top.c (gdb_rl_callback_read_char_wrapper_noexcept)
	(gdb_rl_callback_handler): Update.
	* common/common-exceptions.h (exception_none): Don't declare.
	* common/common-exceptions.c (exception_none): Don't define.
	(struct catcher) <exception>: Update.
	* cli/cli-interp.c (safe_execute_command): Update.
	* breakpoint.c (insert_bp_location, location_to_sals): Update.
2019-04-25 12:59:35 -06:00
Tom Tromey 230d2906b9 Rename gdb exception types
This renames the gdb exception types.  The old types were only needed
due to the macros in common-exception.h that are now gone.

The intermediate layer of gdb_exception_RETURN_MASK_ALL did not seem
needed, so this patch removes it entirely.

gdb/ChangeLog
2019-04-08  Tom Tromey  <tom@tromey.com>

	* common/common-exceptions.h (gdb_exception_RETURN_MASK_ALL):
	Remove.
	(gdb_exception_error): Rename from
	gdb_exception_RETURN_MASK_ERROR.
	(gdb_exception_quit): Rename from gdb_exception_RETURN_MASK_QUIT.
	(gdb_quit_bad_alloc): Update.
	* aarch64-tdep.c: Update.
	* ada-lang.c: Update.
	* ada-typeprint.c: Update.
	* ada-valprint.c: Update.
	* amd64-tdep.c: Update.
	* arch-utils.c: Update.
	* break-catch-throw.c: Update.
	* breakpoint.c: Update.
	* btrace.c: Update.
	* c-varobj.c: Update.
	* cli/cli-cmds.c: Update.
	* cli/cli-interp.c: Update.
	* cli/cli-script.c: Update.
	* common/common-exceptions.c: Update.
	* common/new-op.c: Update.
	* common/selftest.c: Update.
	* compile/compile-c-symbols.c: Update.
	* compile/compile-cplus-symbols.c: Update.
	* compile/compile-object-load.c: Update.
	* compile/compile-object-run.c: Update.
	* completer.c: Update.
	* corelow.c: Update.
	* cp-abi.c: Update.
	* cp-support.c: Update.
	* cp-valprint.c: Update.
	* darwin-nat.c: Update.
	* disasm-selftests.c: Update.
	* dtrace-probe.c: Update.
	* dwarf-index-cache.c: Update.
	* dwarf-index-write.c: Update.
	* dwarf2-frame-tailcall.c: Update.
	* dwarf2-frame.c: Update.
	* dwarf2loc.c: Update.
	* dwarf2read.c: Update.
	* eval.c: Update.
	* event-loop.c: Update.
	* event-top.c: Update.
	* exec.c: Update.
	* f-valprint.c: Update.
	* fbsd-tdep.c: Update.
	* frame-unwind.c: Update.
	* frame.c: Update.
	* gdbtypes.c: Update.
	* gnu-v3-abi.c: Update.
	* guile/guile-internal.h: Update.
	* guile/scm-block.c: Update.
	* guile/scm-breakpoint.c: Update.
	* guile/scm-cmd.c: Update.
	* guile/scm-disasm.c: Update.
	* guile/scm-frame.c: Update.
	* guile/scm-lazy-string.c: Update.
	* guile/scm-math.c: Update.
	* guile/scm-param.c: Update.
	* guile/scm-ports.c: Update.
	* guile/scm-pretty-print.c: Update.
	* guile/scm-symbol.c: Update.
	* guile/scm-symtab.c: Update.
	* guile/scm-type.c: Update.
	* guile/scm-value.c: Update.
	* i386-linux-tdep.c: Update.
	* i386-tdep.c: Update.
	* inf-loop.c: Update.
	* infcall.c: Update.
	* infcmd.c: Update.
	* infrun.c: Update.
	* jit.c: Update.
	* language.c: Update.
	* linespec.c: Update.
	* linux-fork.c: Update.
	* linux-nat.c: Update.
	* linux-tdep.c: Update.
	* linux-thread-db.c: Update.
	* main.c: Update.
	* mi/mi-cmd-break.c: Update.
	* mi/mi-cmd-stack.c: Update.
	* mi/mi-interp.c: Update.
	* mi/mi-main.c: Update.
	* objc-lang.c: Update.
	* p-valprint.c: Update.
	* parse.c: Update.
	* ppc-linux-tdep.c: Update.
	* printcmd.c: Update.
	* python/py-arch.c: Update.
	* python/py-breakpoint.c: Update.
	* python/py-cmd.c: Update.
	* python/py-finishbreakpoint.c: Update.
	* python/py-frame.c: Update.
	* python/py-framefilter.c: Update.
	* python/py-gdb-readline.c: Update.
	* python/py-inferior.c: Update.
	* python/py-infthread.c: Update.
	* python/py-lazy-string.c: Update.
	* python/py-linetable.c: Update.
	* python/py-objfile.c: Update.
	* python/py-param.c: Update.
	* python/py-prettyprint.c: Update.
	* python/py-progspace.c: Update.
	* python/py-record-btrace.c: Update.
	* python/py-record.c: Update.
	* python/py-symbol.c: Update.
	* python/py-type.c: Update.
	* python/py-unwind.c: Update.
	* python/py-utils.c: Update.
	* python/py-value.c: Update.
	* python/python.c: Update.
	* record-btrace.c: Update.
	* record-full.c: Update.
	* remote-fileio.c: Update.
	* remote.c: Update.
	* riscv-tdep.c: Update.
	* rs6000-aix-tdep.c: Update.
	* rs6000-tdep.c: Update.
	* rust-exp.y: Update.
	* rust-lang.c: Update.
	* s390-tdep.c: Update.
	* selftest-arch.c: Update.
	* solib-dsbt.c: Update.
	* solib-frv.c: Update.
	* solib-spu.c: Update.
	* solib-svr4.c: Update.
	* solib.c: Update.
	* sparc64-linux-tdep.c: Update.
	* stack.c: Update.
	* symfile-mem.c: Update.
	* symmisc.c: Update.
	* target.c: Update.
	* thread.c: Update.
	* top.c: Update.
	* tracefile-tfile.c: Update.
	* tui/tui.c: Update.
	* typeprint.c: Update.
	* unittests/cli-utils-selftests.c: Update.
	* unittests/parse-connection-spec-selftests.c: Update.
	* valops.c: Update.
	* valprint.c: Update.
	* value.c: Update.
	* varobj.c: Update.
	* windows-nat.c: Update.
	* x86-linux-nat.c: Update.
	* xml-support.c: Update.

gdb/gdbserver/ChangeLog
2019-04-08  Tom Tromey  <tom@tromey.com>

	* gdbreplay.c: Update.
	* linux-low.c: Update.
	* server.c: Update.
2019-04-08 09:05:40 -06:00
Tom Tromey a70b814420 Rewrite TRY/CATCH
This rewrites gdb's TRY/CATCH to plain C++ try/catch.  The patch was
largely written by script, though one change (to a comment in
common-exceptions.h) was reverted by hand.

gdb/ChangeLog
2019-04-08  Tom Tromey  <tom@tromey.com>

	* xml-support.c: Use C++ exception handling.
	* x86-linux-nat.c: Use C++ exception handling.
	* windows-nat.c: Use C++ exception handling.
	* varobj.c: Use C++ exception handling.
	* value.c: Use C++ exception handling.
	* valprint.c: Use C++ exception handling.
	* valops.c: Use C++ exception handling.
	* unittests/parse-connection-spec-selftests.c: Use C++ exception
	handling.
	* unittests/cli-utils-selftests.c: Use C++ exception handling.
	* typeprint.c: Use C++ exception handling.
	* tui/tui.c: Use C++ exception handling.
	* tracefile-tfile.c: Use C++ exception handling.
	* top.c: Use C++ exception handling.
	* thread.c: Use C++ exception handling.
	* target.c: Use C++ exception handling.
	* symmisc.c: Use C++ exception handling.
	* symfile-mem.c: Use C++ exception handling.
	* stack.c: Use C++ exception handling.
	* sparc64-linux-tdep.c: Use C++ exception handling.
	* solib.c: Use C++ exception handling.
	* solib-svr4.c: Use C++ exception handling.
	* solib-spu.c: Use C++ exception handling.
	* solib-frv.c: Use C++ exception handling.
	* solib-dsbt.c: Use C++ exception handling.
	* selftest-arch.c: Use C++ exception handling.
	* s390-tdep.c: Use C++ exception handling.
	* rust-lang.c: Use C++ exception handling.
	* rust-exp.y: Use C++ exception handling.
	* rs6000-tdep.c: Use C++ exception handling.
	* rs6000-aix-tdep.c: Use C++ exception handling.
	* riscv-tdep.c: Use C++ exception handling.
	* remote.c: Use C++ exception handling.
	* remote-fileio.c: Use C++ exception handling.
	* record-full.c: Use C++ exception handling.
	* record-btrace.c: Use C++ exception handling.
	* python/python.c: Use C++ exception handling.
	* python/py-value.c: Use C++ exception handling.
	* python/py-utils.c: Use C++ exception handling.
	* python/py-unwind.c: Use C++ exception handling.
	* python/py-type.c: Use C++ exception handling.
	* python/py-symbol.c: Use C++ exception handling.
	* python/py-record.c: Use C++ exception handling.
	* python/py-record-btrace.c: Use C++ exception handling.
	* python/py-progspace.c: Use C++ exception handling.
	* python/py-prettyprint.c: Use C++ exception handling.
	* python/py-param.c: Use C++ exception handling.
	* python/py-objfile.c: Use C++ exception handling.
	* python/py-linetable.c: Use C++ exception handling.
	* python/py-lazy-string.c: Use C++ exception handling.
	* python/py-infthread.c: Use C++ exception handling.
	* python/py-inferior.c: Use C++ exception handling.
	* python/py-gdb-readline.c: Use C++ exception handling.
	* python/py-framefilter.c: Use C++ exception handling.
	* python/py-frame.c: Use C++ exception handling.
	* python/py-finishbreakpoint.c: Use C++ exception handling.
	* python/py-cmd.c: Use C++ exception handling.
	* python/py-breakpoint.c: Use C++ exception handling.
	* python/py-arch.c: Use C++ exception handling.
	* printcmd.c: Use C++ exception handling.
	* ppc-linux-tdep.c: Use C++ exception handling.
	* parse.c: Use C++ exception handling.
	* p-valprint.c: Use C++ exception handling.
	* objc-lang.c: Use C++ exception handling.
	* mi/mi-main.c: Use C++ exception handling.
	* mi/mi-interp.c: Use C++ exception handling.
	* mi/mi-cmd-stack.c: Use C++ exception handling.
	* mi/mi-cmd-break.c: Use C++ exception handling.
	* main.c: Use C++ exception handling.
	* linux-thread-db.c: Use C++ exception handling.
	* linux-tdep.c: Use C++ exception handling.
	* linux-nat.c: Use C++ exception handling.
	* linux-fork.c: Use C++ exception handling.
	* linespec.c: Use C++ exception handling.
	* language.c: Use C++ exception handling.
	* jit.c: Use C++ exception handling.
	* infrun.c: Use C++ exception handling.
	* infcmd.c: Use C++ exception handling.
	* infcall.c: Use C++ exception handling.
	* inf-loop.c: Use C++ exception handling.
	* i386-tdep.c: Use C++ exception handling.
	* i386-linux-tdep.c: Use C++ exception handling.
	* guile/scm-value.c: Use C++ exception handling.
	* guile/scm-type.c: Use C++ exception handling.
	* guile/scm-symtab.c: Use C++ exception handling.
	* guile/scm-symbol.c: Use C++ exception handling.
	* guile/scm-pretty-print.c: Use C++ exception handling.
	* guile/scm-ports.c: Use C++ exception handling.
	* guile/scm-param.c: Use C++ exception handling.
	* guile/scm-math.c: Use C++ exception handling.
	* guile/scm-lazy-string.c: Use C++ exception handling.
	* guile/scm-frame.c: Use C++ exception handling.
	* guile/scm-disasm.c: Use C++ exception handling.
	* guile/scm-cmd.c: Use C++ exception handling.
	* guile/scm-breakpoint.c: Use C++ exception handling.
	* guile/scm-block.c: Use C++ exception handling.
	* guile/guile-internal.h: Use C++ exception handling.
	* gnu-v3-abi.c: Use C++ exception handling.
	* gdbtypes.c: Use C++ exception handling.
	* frame.c: Use C++ exception handling.
	* frame-unwind.c: Use C++ exception handling.
	* fbsd-tdep.c: Use C++ exception handling.
	* f-valprint.c: Use C++ exception handling.
	* exec.c: Use C++ exception handling.
	* event-top.c: Use C++ exception handling.
	* event-loop.c: Use C++ exception handling.
	* eval.c: Use C++ exception handling.
	* dwarf2read.c: Use C++ exception handling.
	* dwarf2loc.c: Use C++ exception handling.
	* dwarf2-frame.c: Use C++ exception handling.
	* dwarf2-frame-tailcall.c: Use C++ exception handling.
	* dwarf-index-write.c: Use C++ exception handling.
	* dwarf-index-cache.c: Use C++ exception handling.
	* dtrace-probe.c: Use C++ exception handling.
	* disasm-selftests.c: Use C++ exception handling.
	* darwin-nat.c: Use C++ exception handling.
	* cp-valprint.c: Use C++ exception handling.
	* cp-support.c: Use C++ exception handling.
	* cp-abi.c: Use C++ exception handling.
	* corelow.c: Use C++ exception handling.
	* completer.c: Use C++ exception handling.
	* compile/compile-object-run.c: Use C++ exception handling.
	* compile/compile-object-load.c: Use C++ exception handling.
	* compile/compile-cplus-symbols.c: Use C++ exception handling.
	* compile/compile-c-symbols.c: Use C++ exception handling.
	* common/selftest.c: Use C++ exception handling.
	* common/new-op.c: Use C++ exception handling.
	* cli/cli-script.c: Use C++ exception handling.
	* cli/cli-interp.c: Use C++ exception handling.
	* cli/cli-cmds.c: Use C++ exception handling.
	* c-varobj.c: Use C++ exception handling.
	* btrace.c: Use C++ exception handling.
	* breakpoint.c: Use C++ exception handling.
	* break-catch-throw.c: Use C++ exception handling.
	* arch-utils.c: Use C++ exception handling.
	* amd64-tdep.c: Use C++ exception handling.
	* ada-valprint.c: Use C++ exception handling.
	* ada-typeprint.c: Use C++ exception handling.
	* ada-lang.c: Use C++ exception handling.
	* aarch64-tdep.c: Use C++ exception handling.

gdb/gdbserver/ChangeLog
2019-04-08  Tom Tromey  <tom@tromey.com>

	* server.c: Use C++ exception handling.
	* linux-low.c: Use C++ exception handling.
	* gdbreplay.c: Use C++ exception handling.
2019-04-08 09:05:39 -06:00
Tom Tromey 3d6e9d2336 Make exceptions use std::string and be self-managing
This changes the exception's "message" member to be a shared_ptr
wrapping a std::string.  This allows removing the stack of exception
messages, because now exceptions will self-destruct when needed.  This
also adds a noexcept copy constructor and operator= to gdb_exception,
plus a "what" method.

gdb/ChangeLog
2019-04-08  Tom Tromey  <tom@tromey.com>

	* xml-support.c (gdb_xml_parser::parse): Update.
	* x86-linux-nat.c (x86_linux_nat_target::enable_btrace): Update.
	* value.c (show_convenience): Update.
	* unittests/cli-utils-selftests.c (test_number_or_range_parser)
	(test_parse_flags_qcs): Update.
	* thread.c (thr_try_catch_cmd): Update.
	* target.c (target_translate_tls_address): Update.
	* stack.c (print_frame_arg, read_frame_local, read_frame_arg)
	(info_frame_command_core, frame_apply_command_count): Update.
	* rust-exp.y (rust_lex_exception_test): Update.
	* riscv-tdep.c (riscv_print_one_register_info): Update.
	* remote.c (remote_target::enable_btrace): Update.
	* record-btrace.c (record_btrace_enable_warn): Update.
	* python/py-utils.c (gdbpy_convert_exception): Update.
	* printcmd.c (do_one_display, print_variable_and_value): Update.
	* mi/mi-main.c (mi_print_exception): Update.
	* mi/mi-interp.c (mi_cmd_interpreter_exec): Use SCOPE_EXIT.
	* mi/mi-cmd-stack.c (list_arg_or_local): Update.
	* linux-nat.c (linux_nat_target::attach): Update.
	* linux-fork.c (class scoped_switch_fork_info): Update.
	* infrun.c (displaced_step_prepare): Update.
	* infcall.c (call_function_by_hand_dummy): Update.
	* guile/scm-exception.c (gdbscm_scm_from_gdb_exception): Update.
	* gnu-v3-abi.c (print_one_vtable): Update.
	* frame.c (get_prev_frame_always): Update.
	* f-valprint.c (info_common_command_for_block): Update.
	* exec.c (try_open_exec_file): Update.
	* exceptions.c (print_exception, exception_print)
	(exception_fprintf, exception_print_same): Update.
	* dwarf2-frame.c (dwarf2_build_frame_info): Update.
	* dwarf-index-cache.c (index_cache::store)
	(index_cache::lookup_gdb_index): Update.
	* darwin-nat.c (maybe_cache_shell): Update.
	* cp-valprint.c (cp_print_value_fields): Update.
	* compile/compile-cplus-symbols.c (gcc_cplus_convert_symbol)
	(gcc_cplus_symbol_address): Update.
	* compile/compile-c-symbols.c (gcc_convert_symbol)
	(gcc_symbol_address, generate_c_for_for_one_variable): Update.
	* common/selftest.c: Update.
	* common/common-exceptions.h (struct gdb_exception) <message>: Now
	a std::string.
	(exception_try_scope_entry, exception_try_scope_exit): Don't
	declare.
	(struct exception_try_scope): Remove.
	(TRY): Don't use exception_try_scope.
	(struct gdb_exception): Add constructor, operator=.
	<what>: New method.
	(struct gdb_exception_RETURN_MASK_ALL)
	(struct gdb_exception_RETURN_MASK_ERROR)
	(struct gdb_exception_RETURN_MASK_QUIT): Add constructor.
	(struct gdb_quit_bad_alloc): Update.
	* common/common-exceptions.c (exception_none): Change
	initializer.
	(struct catcher) <state, exception>: Initialize inline.
	<prev>: Remove member.
	(current_catcher): Remove.
	(catchers): New global.
	(exceptions_state_mc_init): Simplify.
	(catcher_pop): Remove.
	(exceptions_state_mc, exceptions_state_mc_catch): Update.
	(try_scope_depth, exception_try_scope_entry)
	(exception_try_scope_exit): Remove.
	(throw_exception_sjlj): Update.
	(exception_messages, exception_messages_size): Remove.
	(throw_it): Simplify.
	(gdb_exception_sliced_copy): Remove.
	(throw_exception_cxx): Update.
	* cli/cli-script.c (script_from_file): Update.
	* breakpoint.c (insert_bp_location, update_breakpoint_locations):
	Update.
	* ada-valprint.c (ada_val_print): Update.
	* ada-lang.c (ada_to_fixed_type_1, ada_exception_name_addr)
	(create_excep_cond_exprs): Update.

gdb/gdbserver/ChangeLog
2019-04-08  Tom Tromey  <tom@tromey.com>

	* server.c (handle_btrace_general_set, handle_qxfer_btrace)
	(handle_qxfer_btrace_conf, detach_or_kill_for_exit_cleanup)
	(captured_main, main): Update.
	* gdbreplay.c (main): Update.
2019-04-08 09:05:38 -06:00
Tom Tromey 4c7d57e72e Don't show "display"s twice in MI
If you run "gdb -i=mi2" and set a "display", then when "next"ing the
displays will be shown twice:

    ~"1: x = 23\n"
    ~"7\t  printf(\"%d\\n\", x);\n"
    ~"1: x = 23\n"
    *stopped,reason="end-stepping-range",frame={addr="0x0000000000400565",func="main",args=[],file="q.c",fullname="/tmp/q.c",line="7"},thread-id="1",stopped-threads="all",core="1"

The immediate cause of this is this code in mi_on_normal_stop_1:

      print_stop_event (mi_uiout);

      console_interp = interp_lookup (current_ui, INTERP_CONSOLE);
      if (should_print_stop_to_console (console_interp, tp))
	print_stop_event (mi->cli_uiout);

... which obviously prints the stop twice.

However, I think the first call to print_stop_event is intended just
to emit the MI *stopped notification, which explains why the source
line does not show up two times.

This patch fixes the bug by changing print_stop_event to only call
do_displays for non-MI-like ui-outs.

Tested on x86-64 Fedora 29.

gdb/ChangeLog
2019-03-19  Tom Tromey  <tromey@adacore.com>

	* mi/mi-interp.c (mi_on_normal_stop_1): Only show displays once.
	* infrun.h (print_stop_event): Add "displays" parameter.
	* infrun.c (print_stop_event): Add "displays" parameter.

gdb/testsuite/ChangeLog
2019-03-19  Tom Tromey  <tromey@adacore.com>

	* gdb.mi/mi2-cli-display.c: New file.
	* gdb.mi/mi2-cli-display.exp: New file.
2019-03-19 12:16:48 -06:00
Simon Marchi b4be1b0648 Fix MI output for multi-location breakpoints
New in v2:

- Addressed comments about doc, updated the MI version table
- New doc for the Breakpoint information format
- New -fix-multi-location-breakpoint-output command, with associated
  doc, test and NEWS updated accordingly
- Fixed the output, the locations list is now actually in the tuple
  representing the breakpoint.

Various MI commands or events related to breakpoints output invalid MI
records when printing information about a multi-location breakpoint.
For example:

    -break-insert allo
    ^done,bkpt={...,addr="<MULTIPLE>",...},{number="1.1",...},{number="1.2",...}

The problem is that according to the syntax [1], the top-level elements
are of type "result" and should be of the form "variable=value".

This patch changes the output to wrap the locations in a list:

    ^done,bkpt={...,addr="<MULTIPLE>",locations=[{number="1.1",...},{number="1.2",...}]}

The events =breakpoint-created, =breakpoint-modified, as well as the
-break-info command also suffer from this (and maybe others I didn't
find).

Since this is a breaking change for MI, we have to deal somehow with
backwards compatibility.  The approach taken by this patch is to bump
the MI version, use the new syntax in MI3 while retaining the old syntax
in MI2.  Frontends are expected to use a precise MI version (-i=mi2), so
if they do that they should be unaffected.

The patch also adds the command -fix-multi-location-breakpoint-output,
which front ends can use to enable this behavior with MI <= 2.

[1] https://sourceware.org/gdb/onlinedocs/gdb/GDB_002fMI-Output-Syntax.html#GDB_002fMI-Output-Syntax

gdb/ChangeLog:

	* NEWS: Mention that the new default MI version is 3.  Mention
	changes to the output of commands and events that deal with
	multi-location breakpoints.
	* breakpoint.c: Include "mi/mi-out.h".
	(print_one_breakpoint): Change output syntax if using MI version
	>= 3.
	* mi/mi-main.h (mi_cmd_fix_multi_location_breakpoint_output):
	New.
	(mi_multi_location_breakpoint_output_fixed): New.
	* mi/mi-main.c (fix_multi_location_breakpoint_output): New.
	(mi_cmd_fix_multi_location_breakpoint_output): New.
	(mi_multi_location_breakpoint_output_fixed): New.
	* mi/mi-cmds.c (mi_cmds): Register command
	-fix-multi-location-breakpoint-output.
	* mi/mi-out.c (mi_out_new): Instantiate version 3 when using
	interpreter "mi".

gdb/testsuite/ChangeLog:

	* mi-breakpoint-location-ena-dis.exp: Rename to ...
	* mi-breakpoint-multiple-locations.exp: ... this.
	(make_breakpoints_pattern): New proc.
	(do_test): Add mi_version parameter, test -break-insert,
	-break-info and	=breakpoint-created.

gdb/doc/ChangeLog:

	* gdb.texinfo (Mode Options): Mention mi3.
	(Interpreters): Likewise.
	(GDB/MI Development and Front Ends): Add entry for MI 3 in
	version table.  Document -fix-multi-location-breakpoint-output.
	(GDB/MI Breakpoint Information): Document format of breakpoint
	location output.
2019-03-13 15:14:36 -04:00
Simon Marchi 8e5e5494f8 Factor out mi_ui_out instantiation logic
When re-reviewing this [1] I noticed that there were two spots encoding
the logic of instantiating an mi_ui_out object based on the interpreter
name ("mi", "mi1", "mi2" or "mi3"):

 - mi_interp::init
 - mi_load_progress

Both encode the logic to choose what the default version is when the
interpreter name is "mi".  I had forgotten the one in mi_load_progress.

Therefore, I propose extracting that logic to a single function.  I
started to add a new overload of mi_out_new, then realized the current
mi_out_new wasn't very useful, being just a thing wrapper around "new
mi_ui_out".  So I ended up with just an mi_out_new function taking the
interp name as parameter.

I ran the gdb.mi tests, and verified manually the behavior (including
the load command).

[1] https://sourceware.org/ml/gdb-patches/2019-01/msg00427.html

gdb/ChangeLog:

	* mi/mi-out.h (mi_out_new): Change parameter to const char *.
	* mi/mi-out.c (mi_out_new): Change parameter to const char *,
	instantiate mi_ui_out based on interpreter name.
	* mi/mi-interp.c (mi_interp::init): Use the new mi_out_new.
	* mi/mi-main.c (mi_load_progress): Likewise.
2019-03-13 13:26:37 -04:00
Tom Tromey 46e3ed7ff9 C++-ify struct thread_fsm
This C++-ifies struct thread_fsm, replacing the "ops" structure with
virtual methods, and changing all the implementations to derive from
thread_fsm.

gdb/ChangeLog
2019-02-07  Tom Tromey  <tom@tromey.com>

	* thread.c (thread_cancel_execution_command): Update.
	* thread-fsm.h (struct thread_fsm): Add constructor, destructor,
	methods.
	(struct thread_fsm_ops): Remove.
	(thread_fsm_ctor, thread_fsm_delete, thread_fsm_clean_up)
	(thread_fsm_should_stop, thread_fsm_return_value)
	(thread_fsm_set_finished, thread_fsm_finished_p)
	(thread_fsm_async_reply_reason, thread_fsm_should_notify_stop):
	Don't declare.
	* mi/mi-interp.c (mi_on_normal_stop_1): Update.
	* infrun.c (clear_proceed_status_thread)
	(clean_up_just_stopped_threads_fsms, fetch_inferior_event)
	(print_stop_event): Update.
	* infcmd.c (struct step_command_fsm): Inherit from thread_fsm.
	Add constructor.
	(step_command_fsm_ops): Remove.
	(new_step_command_fsm): Remove.
	(step_1): Update.
	(step_command_fsm::should_stop): Rename from
	step_command_fsm_should_stop.
	(step_command_fsm::clean_up): Rename from
	step_command_fsm_clean_up.
	(step_command_fsm::do_async_reply_reason): Rename from
	step_command_fsm_async_reply_reason.
	(struct until_next_fsm): Inherit from thread_fsm.  Add
	constructor.
	(until_next_fsm_ops): Remove.
	(new_until_next_fsm): Remove.
	(until_next_fsm::should_stop): Rename from
	until_next_fsm_should_stop.
	(until_next_fsm::clean_up): Rename from until_next_fsm_clean_up.
	(until_next_fsm::do_async_reply_reason): Rename from
	until_next_fsm_async_reply_reason.
	(struct finish_command_fsm): Inherit from thread_fsm.  Add
	constructor.  Change type of breakpoint.
	(finish_command_fsm_ops): Remove.
	(new_finish_command_fsm): Remove.
	(finish_command_fsm::should_stop): Rename from
	finish_command_fsm_should_stop.
	(finish_command_fsm::clean_up): Rename from
	finish_command_fsm_clean_up.
	(finish_command_fsm::return_value): Rename from
	finish_command_fsm_return_value.
	(finish_command_fsm::do_async_reply_reason): Rename from
	finish_command_fsm_async_reply_reason.
	(finish_command): Update.
	* infcall.c (struct call_thread_fsm): Inherit from thread_fsm.
	Add constructor.
	(call_thread_fsm_ops): Remove.
	(call_thread_fsm::call_thread_fsm): Rename from
	new_call_thread_fsm.
	(call_thread_fsm::should_stop): Rename from
	call_thread_fsm_should_stop.
	(call_thread_fsm::should_notify_stop): Rename from
	call_thread_fsm_should_notify_stop.
	(run_inferior_call, call_function_by_hand_dummy): Update.
	* cli/cli-interp.c (should_print_stop_to_console): Update.
	* breakpoint.c (struct until_break_fsm): Inherit from thread_fsm.
	Add constructor.  Change type of location_breakpoint,
	caller_breakpoint.
	(until_break_fsm_ops): Remove.
	(new_until_break_fsm): Remove.
	(until_break_fsm::should_stop): Rename from
	until_break_fsm_should_stop.
	(until_break_fsm::clean_up): Rename from
	until_break_fsm_clean_up.
	(until_break_fsm::do_async_reply_reason): Rename from
	until_break_fsm_async_reply_reason.
	(until_break_command): Update.
	* thread-fsm.c: Remove.
	* Makefile.in (COMMON_SFILES): Remove thread-fsm.c.
2019-02-07 06:08:33 -07:00
Tom Tromey 1a5c25988e Normalize include guards in gdb
While working on my other scripts to deal with gdb headers, I noticed
that some files were missing include guards.  I wrote a script to add
the missing ones, but found that using the obvious names for the
guards ran into clashes -- for example, gdb/nat/linux-nat.h used
"LINUX_NAT_H", but this was also the script's choice for
gdb/linux-nat.h.

So, I changed the script to normalize all include guards in gdb.  This
patch is the result.

As usual the script is available here:

    https://github.com/tromey/gdb-refactoring-scripts

Tested by rebuilding; I also ran it through "Fedora-x86_64-m64" on the
buildbot.

gdb/ChangeLog
2019-02-07  Tom Tromey  <tom@tromey.com>

	* yy-remap.h: Add include guard.
	* xtensa-tdep.h: Add include guard.
	* xcoffread.h: Rename include guard.
	* varobj-iter.h: Add include guard.
	* tui/tui.h: Rename include guard.
	* tui/tui-winsource.h: Rename include guard.
	* tui/tui-wingeneral.h: Rename include guard.
	* tui/tui-windata.h: Rename include guard.
	* tui/tui-win.h: Rename include guard.
	* tui/tui-stack.h: Rename include guard.
	* tui/tui-source.h: Rename include guard.
	* tui/tui-regs.h: Rename include guard.
	* tui/tui-out.h: Rename include guard.
	* tui/tui-layout.h: Rename include guard.
	* tui/tui-io.h: Rename include guard.
	* tui/tui-hooks.h: Rename include guard.
	* tui/tui-file.h: Rename include guard.
	* tui/tui-disasm.h: Rename include guard.
	* tui/tui-data.h: Rename include guard.
	* tui/tui-command.h: Rename include guard.
	* tic6x-tdep.h: Add include guard.
	* target/waitstatus.h: Rename include guard.
	* target/wait.h: Rename include guard.
	* target/target.h: Rename include guard.
	* target/resume.h: Rename include guard.
	* target-float.h: Rename include guard.
	* stabsread.h: Add include guard.
	* rs6000-tdep.h: Add include guard.
	* riscv-fbsd-tdep.h: Add include guard.
	* regformats/regdef.h: Rename include guard.
	* record.h: Rename include guard.
	* python/python.h: Rename include guard.
	* python/python-internal.h: Rename include guard.
	* python/py-stopevent.h: Rename include guard.
	* python/py-ref.h: Rename include guard.
	* python/py-record.h: Rename include guard.
	* python/py-record-full.h: Rename include guard.
	* python/py-record-btrace.h: Rename include guard.
	* python/py-instruction.h: Rename include guard.
	* python/py-events.h: Rename include guard.
	* python/py-event.h: Rename include guard.
	* procfs.h: Add include guard.
	* proc-utils.h: Add include guard.
	* p-lang.h: Add include guard.
	* or1k-tdep.h: Rename include guard.
	* observable.h: Rename include guard.
	* nto-tdep.h: Rename include guard.
	* nat/x86-linux.h: Rename include guard.
	* nat/x86-linux-dregs.h: Rename include guard.
	* nat/x86-gcc-cpuid.h: Add include guard.
	* nat/x86-dregs.h: Rename include guard.
	* nat/x86-cpuid.h: Rename include guard.
	* nat/ppc-linux.h: Rename include guard.
	* nat/mips-linux-watch.h: Rename include guard.
	* nat/linux-waitpid.h: Rename include guard.
	* nat/linux-ptrace.h: Rename include guard.
	* nat/linux-procfs.h: Rename include guard.
	* nat/linux-osdata.h: Rename include guard.
	* nat/linux-nat.h: Rename include guard.
	* nat/linux-namespaces.h: Rename include guard.
	* nat/linux-btrace.h: Rename include guard.
	* nat/glibc_thread_db.h: Rename include guard.
	* nat/gdb_thread_db.h: Rename include guard.
	* nat/gdb_ptrace.h: Rename include guard.
	* nat/fork-inferior.h: Rename include guard.
	* nat/amd64-linux-siginfo.h: Rename include guard.
	* nat/aarch64-sve-linux-sigcontext.h: Rename include guard.
	* nat/aarch64-sve-linux-ptrace.h: Rename include guard.
	* nat/aarch64-linux.h: Rename include guard.
	* nat/aarch64-linux-hw-point.h: Rename include guard.
	* mn10300-tdep.h: Add include guard.
	* mips-linux-tdep.h: Add include guard.
	* mi/mi-parse.h: Rename include guard.
	* mi/mi-out.h: Rename include guard.
	* mi/mi-main.h: Rename include guard.
	* mi/mi-interp.h: Rename include guard.
	* mi/mi-getopt.h: Rename include guard.
	* mi/mi-console.h: Rename include guard.
	* mi/mi-common.h: Rename include guard.
	* mi/mi-cmds.h: Rename include guard.
	* mi/mi-cmd-break.h: Rename include guard.
	* m2-lang.h: Add include guard.
	* location.h: Rename include guard.
	* linux-record.h: Rename include guard.
	* linux-nat.h: Add include guard.
	* linux-fork.h: Add include guard.
	* i386-darwin-tdep.h: Rename include guard.
	* hppa-linux-offsets.h: Add include guard.
	* guile/guile.h: Rename include guard.
	* guile/guile-internal.h: Rename include guard.
	* gnu-nat.h: Rename include guard.
	* gdb-stabs.h: Rename include guard.
	* frv-tdep.h: Add include guard.
	* f-lang.h: Add include guard.
	* event-loop.h: Add include guard.
	* darwin-nat.h: Rename include guard.
	* cp-abi.h: Rename include guard.
	* config/sparc/nm-sol2.h: Rename include guard.
	* config/nm-nto.h: Rename include guard.
	* config/nm-linux.h: Add include guard.
	* config/i386/nm-i386gnu.h: Rename include guard.
	* config/djgpp/nl_types.h: Rename include guard.
	* config/djgpp/langinfo.h: Rename include guard.
	* compile/gcc-cp-plugin.h: Add include guard.
	* compile/gcc-c-plugin.h: Add include guard.
	* compile/compile.h: Rename include guard.
	* compile/compile-object-run.h: Rename include guard.
	* compile/compile-object-load.h: Rename include guard.
	* compile/compile-internal.h: Rename include guard.
	* compile/compile-cplus.h: Rename include guard.
	* compile/compile-c.h: Rename include guard.
	* common/xml-utils.h: Rename include guard.
	* common/x86-xstate.h: Rename include guard.
	* common/version.h: Rename include guard.
	* common/vec.h: Rename include guard.
	* common/tdesc.h: Rename include guard.
	* common/selftest.h: Rename include guard.
	* common/scoped_restore.h: Rename include guard.
	* common/scoped_mmap.h: Rename include guard.
	* common/scoped_fd.h: Rename include guard.
	* common/safe-iterator.h: Rename include guard.
	* common/run-time-clock.h: Rename include guard.
	* common/refcounted-object.h: Rename include guard.
	* common/queue.h: Rename include guard.
	* common/ptid.h: Rename include guard.
	* common/print-utils.h: Rename include guard.
	* common/preprocessor.h: Rename include guard.
	* common/pathstuff.h: Rename include guard.
	* common/observable.h: Rename include guard.
	* common/netstuff.h: Rename include guard.
	* common/job-control.h: Rename include guard.
	* common/host-defs.h: Rename include guard.
	* common/gdb_wait.h: Rename include guard.
	* common/gdb_vecs.h: Rename include guard.
	* common/gdb_unlinker.h: Rename include guard.
	* common/gdb_unique_ptr.h: Rename include guard.
	* common/gdb_tilde_expand.h: Rename include guard.
	* common/gdb_sys_time.h: Rename include guard.
	* common/gdb_string_view.h: Rename include guard.
	* common/gdb_splay_tree.h: Rename include guard.
	* common/gdb_setjmp.h: Rename include guard.
	* common/gdb_ref_ptr.h: Rename include guard.
	* common/gdb_optional.h: Rename include guard.
	* common/gdb_locale.h: Rename include guard.
	* common/gdb_assert.h: Rename include guard.
	* common/filtered-iterator.h: Rename include guard.
	* common/filestuff.h: Rename include guard.
	* common/fileio.h: Rename include guard.
	* common/environ.h: Rename include guard.
	* common/common-utils.h: Rename include guard.
	* common/common-types.h: Rename include guard.
	* common/common-regcache.h: Rename include guard.
	* common/common-inferior.h: Rename include guard.
	* common/common-gdbthread.h: Rename include guard.
	* common/common-exceptions.h: Rename include guard.
	* common/common-defs.h: Rename include guard.
	* common/common-debug.h: Rename include guard.
	* common/cleanups.h: Rename include guard.
	* common/buffer.h: Rename include guard.
	* common/btrace-common.h: Rename include guard.
	* common/break-common.h: Rename include guard.
	* cli/cli-utils.h: Rename include guard.
	* cli/cli-style.h: Rename include guard.
	* cli/cli-setshow.h: Rename include guard.
	* cli/cli-script.h: Rename include guard.
	* cli/cli-interp.h: Rename include guard.
	* cli/cli-decode.h: Rename include guard.
	* cli/cli-cmds.h: Rename include guard.
	* charset-list.h: Add include guard.
	* buildsym-legacy.h: Rename include guard.
	* bfin-tdep.h: Add include guard.
	* ax.h: Rename include guard.
	* arm-linux-tdep.h: Add include guard.
	* arm-fbsd-tdep.h: Add include guard.
	* arch/xtensa.h: Rename include guard.
	* arch/tic6x.h: Add include guard.
	* arch/i386.h: Add include guard.
	* arch/arm.h: Rename include guard.
	* arch/arm-linux.h: Rename include guard.
	* arch/arm-get-next-pcs.h: Rename include guard.
	* arch/amd64.h: Add include guard.
	* arch/aarch64-insn.h: Rename include guard.
	* arch-utils.h: Rename include guard.
	* annotate.h: Add include guard.
	* amd64-darwin-tdep.h: Rename include guard.
	* aarch64-linux-tdep.h: Add include guard.
	* aarch64-fbsd-tdep.h: Add include guard.
	* aarch32-linux-nat.h: Add include guard.

gdb/gdbserver/ChangeLog
2019-02-07  Tom Tromey  <tom@tromey.com>

	* x86-tdesc.h: Rename include guard.
	* x86-low.h: Add include guard.
	* wincecompat.h: Rename include guard.
	* win32-low.h: Add include guard.
	* utils.h: Rename include guard.
	* tracepoint.h: Rename include guard.
	* tdesc.h: Rename include guard.
	* target.h: Rename include guard.
	* server.h: Rename include guard.
	* remote-utils.h: Rename include guard.
	* regcache.h: Rename include guard.
	* nto-low.h: Rename include guard.
	* notif.h: Add include guard.
	* mem-break.h: Rename include guard.
	* lynx-low.h: Add include guard.
	* linux-x86-tdesc.h: Add include guard.
	* linux-s390-tdesc.h: Add include guard.
	* linux-ppc-tdesc-init.h: Add include guard.
	* linux-low.h: Add include guard.
	* linux-aarch64-tdesc.h: Add include guard.
	* linux-aarch32-low.h: Add include guard.
	* inferiors.h: Rename include guard.
	* i387-fp.h: Rename include guard.
	* hostio.h: Rename include guard.
	* gdbthread.h: Rename include guard.
	* gdb_proc_service.h: Rename include guard.
	* event-loop.h: Rename include guard.
	* dll.h: Rename include guard.
	* debug.h: Rename include guard.
	* ax.h: Rename include guard.
2019-02-07 03:27:23 -07:00
Tom Tromey 0747795c08 Normalize includes to use common/
This changes all includes to use the form "common/filename.h" rather
than just "filename.h".  This was written by a script.

gdb/ChangeLog
2019-01-25  Tom Tromey  <tom@tromey.com>

	* xtensa-linux-nat.c: Fix common/ includes.
	* xml-support.h: Fix common/ includes.
	* xml-support.c: Fix common/ includes.
	* x86-linux-nat.c: Fix common/ includes.
	* windows-nat.c: Fix common/ includes.
	* varobj.h: Fix common/ includes.
	* varobj.c: Fix common/ includes.
	* value.c: Fix common/ includes.
	* valops.c: Fix common/ includes.
	* utils.c: Fix common/ includes.
	* unittests/xml-utils-selftests.c: Fix common/ includes.
	* unittests/utils-selftests.c: Fix common/ includes.
	* unittests/unpack-selftests.c: Fix common/ includes.
	* unittests/tracepoint-selftests.c: Fix common/ includes.
	* unittests/style-selftests.c: Fix common/ includes.
	* unittests/string_view-selftests.c: Fix common/ includes.
	* unittests/scoped_restore-selftests.c: Fix common/ includes.
	* unittests/scoped_mmap-selftests.c: Fix common/ includes.
	* unittests/scoped_fd-selftests.c: Fix common/ includes.
	* unittests/rsp-low-selftests.c: Fix common/ includes.
	* unittests/parse-connection-spec-selftests.c: Fix common/
	includes.
	* unittests/optional-selftests.c: Fix common/ includes.
	* unittests/offset-type-selftests.c: Fix common/ includes.
	* unittests/observable-selftests.c: Fix common/ includes.
	* unittests/mkdir-recursive-selftests.c: Fix common/ includes.
	* unittests/memrange-selftests.c: Fix common/ includes.
	* unittests/memory-map-selftests.c: Fix common/ includes.
	* unittests/lookup_name_info-selftests.c: Fix common/ includes.
	* unittests/function-view-selftests.c: Fix common/ includes.
	* unittests/environ-selftests.c: Fix common/ includes.
	* unittests/copy_bitwise-selftests.c: Fix common/ includes.
	* unittests/common-utils-selftests.c: Fix common/ includes.
	* unittests/cli-utils-selftests.c: Fix common/ includes.
	* unittests/array-view-selftests.c: Fix common/ includes.
	* ui-file.c: Fix common/ includes.
	* tui/tui-io.c: Fix common/ includes.
	* tracepoint.h: Fix common/ includes.
	* tracepoint.c: Fix common/ includes.
	* tracefile-tfile.c: Fix common/ includes.
	* top.h: Fix common/ includes.
	* top.c: Fix common/ includes.
	* thread.c: Fix common/ includes.
	* target/waitstatus.h: Fix common/ includes.
	* target/waitstatus.c: Fix common/ includes.
	* target.h: Fix common/ includes.
	* target.c: Fix common/ includes.
	* target-memory.c: Fix common/ includes.
	* target-descriptions.c: Fix common/ includes.
	* symtab.h: Fix common/ includes.
	* symfile.c: Fix common/ includes.
	* stap-probe.c: Fix common/ includes.
	* spu-linux-nat.c: Fix common/ includes.
	* sparc-nat.c: Fix common/ includes.
	* source.c: Fix common/ includes.
	* solib.c: Fix common/ includes.
	* solib-target.c: Fix common/ includes.
	* ser-unix.c: Fix common/ includes.
	* ser-tcp.c: Fix common/ includes.
	* ser-pipe.c: Fix common/ includes.
	* ser-base.c: Fix common/ includes.
	* selftest-arch.c: Fix common/ includes.
	* s12z-tdep.c: Fix common/ includes.
	* rust-exp.y: Fix common/ includes.
	* rs6000-aix-tdep.c: Fix common/ includes.
	* riscv-tdep.c: Fix common/ includes.
	* remote.c: Fix common/ includes.
	* remote-notif.h: Fix common/ includes.
	* remote-fileio.h: Fix common/ includes.
	* remote-fileio.c: Fix common/ includes.
	* regcache.h: Fix common/ includes.
	* regcache.c: Fix common/ includes.
	* record-btrace.c: Fix common/ includes.
	* python/python.c: Fix common/ includes.
	* python/py-type.c: Fix common/ includes.
	* python/py-inferior.c: Fix common/ includes.
	* progspace.h: Fix common/ includes.
	* producer.c: Fix common/ includes.
	* procfs.c: Fix common/ includes.
	* proc-api.c: Fix common/ includes.
	* printcmd.c: Fix common/ includes.
	* ppc-linux-nat.c: Fix common/ includes.
	* parser-defs.h: Fix common/ includes.
	* osdata.c: Fix common/ includes.
	* obsd-nat.c: Fix common/ includes.
	* nat/x86-linux.c: Fix common/ includes.
	* nat/x86-linux-dregs.c: Fix common/ includes.
	* nat/x86-dregs.h: Fix common/ includes.
	* nat/x86-dregs.c: Fix common/ includes.
	* nat/ppc-linux.c: Fix common/ includes.
	* nat/mips-linux-watch.h: Fix common/ includes.
	* nat/mips-linux-watch.c: Fix common/ includes.
	* nat/linux-waitpid.c: Fix common/ includes.
	* nat/linux-ptrace.h: Fix common/ includes.
	* nat/linux-ptrace.c: Fix common/ includes.
	* nat/linux-procfs.c: Fix common/ includes.
	* nat/linux-personality.c: Fix common/ includes.
	* nat/linux-osdata.c: Fix common/ includes.
	* nat/linux-namespaces.c: Fix common/ includes.
	* nat/linux-btrace.h: Fix common/ includes.
	* nat/linux-btrace.c: Fix common/ includes.
	* nat/fork-inferior.c: Fix common/ includes.
	* nat/amd64-linux-siginfo.c: Fix common/ includes.
	* nat/aarch64-sve-linux-ptrace.c: Fix common/ includes.
	* nat/aarch64-linux.c: Fix common/ includes.
	* nat/aarch64-linux-hw-point.h: Fix common/ includes.
	* nat/aarch64-linux-hw-point.c: Fix common/ includes.
	* namespace.h: Fix common/ includes.
	* mips-linux-tdep.c: Fix common/ includes.
	* minsyms.c: Fix common/ includes.
	* mi/mi-parse.h: Fix common/ includes.
	* mi/mi-main.c: Fix common/ includes.
	* mi/mi-cmd-env.c: Fix common/ includes.
	* memrange.h: Fix common/ includes.
	* memattr.c: Fix common/ includes.
	* maint.h: Fix common/ includes.
	* maint.c: Fix common/ includes.
	* main.c: Fix common/ includes.
	* machoread.c: Fix common/ includes.
	* location.c: Fix common/ includes.
	* linux-thread-db.c: Fix common/ includes.
	* linux-nat.c: Fix common/ includes.
	* linux-fork.c: Fix common/ includes.
	* inline-frame.c: Fix common/ includes.
	* infrun.c: Fix common/ includes.
	* inflow.c: Fix common/ includes.
	* inferior.h: Fix common/ includes.
	* inferior.c: Fix common/ includes.
	* infcmd.c: Fix common/ includes.
	* inf-ptrace.c: Fix common/ includes.
	* inf-child.c: Fix common/ includes.
	* ia64-linux-nat.c: Fix common/ includes.
	* i387-tdep.c: Fix common/ includes.
	* i386-tdep.c: Fix common/ includes.
	* i386-linux-tdep.c: Fix common/ includes.
	* i386-linux-nat.c: Fix common/ includes.
	* i386-go32-tdep.c: Fix common/ includes.
	* i386-fbsd-tdep.c: Fix common/ includes.
	* i386-fbsd-nat.c: Fix common/ includes.
	* guile/scm-type.c: Fix common/ includes.
	* guile/guile.c: Fix common/ includes.
	* go32-nat.c: Fix common/ includes.
	* gnu-nat.c: Fix common/ includes.
	* gdbthread.h: Fix common/ includes.
	* gdbarch-selftests.c: Fix common/ includes.
	* gdb_usleep.c: Fix common/ includes.
	* gdb_select.h: Fix common/ includes.
	* gdb_bfd.c: Fix common/ includes.
	* gcore.c: Fix common/ includes.
	* fork-child.c: Fix common/ includes.
	* findvar.c: Fix common/ includes.
	* fbsd-nat.c: Fix common/ includes.
	* event-top.c: Fix common/ includes.
	* event-loop.c: Fix common/ includes.
	* dwarf2read.c: Fix common/ includes.
	* dwarf2loc.c: Fix common/ includes.
	* dwarf2-frame.c: Fix common/ includes.
	* dwarf-index-cache.c: Fix common/ includes.
	* dtrace-probe.c: Fix common/ includes.
	* disasm-selftests.c: Fix common/ includes.
	* defs.h: Fix common/ includes.
	* csky-tdep.c: Fix common/ includes.
	* cp-valprint.c: Fix common/ includes.
	* cp-support.h: Fix common/ includes.
	* cp-support.c: Fix common/ includes.
	* corelow.c: Fix common/ includes.
	* completer.h: Fix common/ includes.
	* completer.c: Fix common/ includes.
	* compile/compile.c: Fix common/ includes.
	* compile/compile-loc2c.c: Fix common/ includes.
	* compile/compile-cplus-types.c: Fix common/ includes.
	* compile/compile-cplus-symbols.c: Fix common/ includes.
	* command.h: Fix common/ includes.
	* cli/cli-dump.c: Fix common/ includes.
	* cli/cli-cmds.c: Fix common/ includes.
	* charset.c: Fix common/ includes.
	* build-id.c: Fix common/ includes.
	* btrace.h: Fix common/ includes.
	* btrace.c: Fix common/ includes.
	* breakpoint.h: Fix common/ includes.
	* breakpoint.c: Fix common/ includes.
	* ax.h:
	(enum agent_op): Fix common/ includes.
	* ax-general.c (struct aop_map): Fix common/ includes.
	* ax-gdb.c: Fix common/ includes.
	* auxv.c: Fix common/ includes.
	* auto-load.c: Fix common/ includes.
	* arm-tdep.c: Fix common/ includes.
	* arch/riscv.c: Fix common/ includes.
	* arch/ppc-linux-common.c: Fix common/ includes.
	* arch/i386.c: Fix common/ includes.
	* arch/arm.c: Fix common/ includes.
	* arch/arm-linux.c: Fix common/ includes.
	* arch/arm-get-next-pcs.c: Fix common/ includes.
	* arch/amd64.c: Fix common/ includes.
	* arch/aarch64.c: Fix common/ includes.
	* arch/aarch64-insn.c: Fix common/ includes.
	* arch-utils.c: Fix common/ includes.
	* amd64-windows-tdep.c: Fix common/ includes.
	* amd64-tdep.c: Fix common/ includes.
	* amd64-sol2-tdep.c: Fix common/ includes.
	* amd64-obsd-tdep.c: Fix common/ includes.
	* amd64-nbsd-tdep.c: Fix common/ includes.
	* amd64-linux-tdep.c: Fix common/ includes.
	* amd64-linux-nat.c: Fix common/ includes.
	* amd64-fbsd-tdep.c: Fix common/ includes.
	* amd64-fbsd-nat.c: Fix common/ includes.
	* amd64-dicos-tdep.c: Fix common/ includes.
	* amd64-darwin-tdep.c: Fix common/ includes.
	* agent.c: Fix common/ includes.
	* ada-lang.h: Fix common/ includes.
	* ada-lang.c: Fix common/ includes.
	* aarch64-tdep.c: Fix common/ includes.

gdb/gdbserver/ChangeLog
2019-01-25  Tom Tromey  <tom@tromey.com>

	* win32-low.c: Fix common/ includes.
	* win32-i386-low.c: Fix common/ includes.
	* tracepoint.c: Fix common/ includes.
	* thread-db.c: Fix common/ includes.
	* target.h: Fix common/ includes.
	* symbol.c: Fix common/ includes.
	* spu-low.c: Fix common/ includes.
	* server.h: Fix common/ includes.
	* server.c: Fix common/ includes.
	* remote-utils.c: Fix common/ includes.
	* regcache.h: Fix common/ includes.
	* regcache.c: Fix common/ includes.
	* nto-x86-low.c: Fix common/ includes.
	* notif.h: Fix common/ includes.
	* mem-break.h: Fix common/ includes.
	* lynx-low.c: Fix common/ includes.
	* lynx-i386-low.c: Fix common/ includes.
	* linux-x86-tdesc-selftest.c: Fix common/ includes.
	* linux-x86-low.c: Fix common/ includes.
	* linux-low.c: Fix common/ includes.
	* inferiors.h: Fix common/ includes.
	* i387-fp.c: Fix common/ includes.
	* hostio.c: Fix common/ includes.
	* hostio-errno.c: Fix common/ includes.
	* gdbthread.h: Fix common/ includes.
	* gdbreplay.c: Fix common/ includes.
	* fork-child.c: Fix common/ includes.
	* event-loop.c: Fix common/ includes.
	* ax.c:
	(enum gdb_agent_op): Fix common/ includes.
2019-01-25 15:28:16 -07:00
Tom Tromey be6d4f74c7 Remove duplicate or commented-out #includes
I wrote a little script to detect duplicate or commented-out #includes
and ran it on gdb.  This patch is the result.  Tested by rebuilding.

gdb/ChangeLog
2019-01-21  Tom Tromey  <tom@tromey.com>

	* ui-out.c: Fix includes.
	* tui/tui-source.c: Fix includes.
	* target.c: Fix includes.
	* remote.c: Fix includes.
	* regcache.c: Fix includes.
	* python/py-block.c: Fix includes.
	* printcmd.c: Fix includes.
	* or1k-tdep.c: Fix includes.
	* mi/mi-main.c: Fix includes.
	* m32r-tdep.c: Fix includes.
	* csky-tdep.c: Fix includes.
	* compile/compile-cplus-types.c: Fix includes.
	* cli/cli-interp.c: Fix includes.

gdb/gdbserver/ChangeLog
2019-01-21  Tom Tromey  <tom@tromey.com>

	* tracepoint.c: Fix includes.
	* remote-utils.c: Fix includes.
	* linux-x86-low.c: Fix includes.

gdb/stubs/ChangeLog
2019-01-21  Tom Tromey  <tom@tromey.com>

	* ia64vms-stub.c: Fix includes.
2019-01-21 11:14:07 -07:00
Tom Tromey b669c95337 Add compunits range adapter to objfile
This removes the objfile_compunits range adapter in favor of using a
method on objfile.

2019-01-15  Tom Tromey  <tom@tromey.com>

	* symtab.c (lookup_objfile_from_block)
	(lookup_symbol_in_objfile_symtabs)
	(basic_lookup_transparent_type_1, find_pc_sect_compunit_symtab)
	(find_line_symtab, info_sources_command)
	(default_collect_symbol_completion_matches_break_on)
	(make_source_files_completion_list): Update.
	* symmisc.c (print_objfile_statistics, dump_objfile)
	(maintenance_print_symbols, maintenance_info_symtabs)
	(maintenance_check_symtabs, maintenance_info_line_tables):
	Update.
	* source.c (select_source_symtab)
	(forget_cached_source_info_for_objfile): Update.
	* objfiles.h (class objfile_compunits): Remove.
	(struct objfile) <compunits_range>: New typedef.
	(compunits): New method.
	* objfiles.c (objfile_relocate1): Update.
	* mi/mi-cmd-file.c (mi_cmd_file_list_exec_source_files): Update.
	* maint.c (count_symtabs_and_blocks): Update.
	* linespec.c (iterate_over_all_matching_symtabs): Update.
	* cp-support.c (add_symbol_overload_list_qualified): Update.
	* coffread.c (coff_symtab_read): Update.
	* ada-lang.c (add_nonlocal_symbols)
	(ada_collect_symbol_completion_matches)
	(ada_add_global_exceptions): Update.
2019-01-17 15:42:05 -07:00
Tom Tromey 2030c07971 Change all_objfiles adapter to be a method on program_space
This changes the all_objfiles range adapter to be a method on the
program space, and fixes up all the users.

gdb/ChangeLog
2019-01-17  Tom Tromey  <tom@tromey.com>

	* progspace.h (program_space) <objfiles_range>: New typedef.
	<objfiles>: New method.
	<objfiles_head>: Rename from objfiles.
	(object_files): Update.
	* guile/scm-progspace.c (gdbscm_progspace_objfiles): Update.
	* guile/scm-pretty-print.c
	(ppscm_find_pretty_printer_from_objfiles): Update.
	* guile/scm-objfile.c (gdbscm_objfiles): Update.
	* python/py-xmethods.c (gdbpy_get_matching_xmethod_workers):
	Update.
	* python/py-progspace.c (pspy_get_objfiles): Update.
	* python/py-prettyprint.c (find_pretty_printer_from_objfiles):
	Update.
	* python/py-objfile.c (objfpy_lookup_objfile_by_name)
	(objfpy_lookup_objfile_by_build_id): Update.
	* mi/mi-cmd-file.c (mi_cmd_file_list_exec_source_files): Update.
	* windows-tdep.c (windows_iterate_over_objfiles_in_search_order):
	Update.
	* symtab.c (iterate_over_symtabs, matching_obj_sections)
	(expand_symtab_containing_pc, lookup_objfile_from_block)
	(lookup_static_symbol, basic_lookup_transparent_type)
	(find_pc_sect_compunit_symtab, find_symbol_at_address)
	(find_line_symtab, info_sources_command)
	(default_collect_symbol_completion_matches_break_on)
	(make_source_files_completion_list, find_main_name): Update.
	* symmisc.c (print_symbol_bcache_statistics)
	(print_objfile_statistics, maintenance_print_symbols)
	(maintenance_print_msymbols, maintenance_print_objfiles)
	(maintenance_info_symtabs, maintenance_check_symtabs)
	(maintenance_expand_symtabs, maintenance_info_line_tables):
	Update.
	* symfile.c (remove_symbol_file_command, overlay_invalidate_all)
	(find_pc_overlay, find_pc_mapped_section, list_overlays_command)
	(map_overlay_command, unmap_overlay_command)
	(simple_overlay_update, expand_symtabs_matching)
	(map_symbol_filenames): Update.
	* symfile-debug.c (set_debug_symfile): Update.
	* spu-tdep.c (spu_overlay_update, spu_objfile_from_frame):
	Update.
	* source.c (select_source_symtab, forget_cached_source_info):
	Update.
	* solib.c (solib_read_symbols): Update.
	* solib-spu.c (append_ocl_sos): Update.
	* psymtab.c (maintenance_print_psymbols)
	(maintenance_info_psymtabs, maintenance_check_psymtabs): Update.
	* probe.c (parse_probes_in_pspace, find_probe_by_pc): Update.
	* printcmd.c (info_symbol_command): Update.
	* ppc-linux-tdep.c (ppc_linux_spe_context_inferior_created):
	Update.
	* objfiles.h (class all_objfiles): Remove.
	* objfiles.c (have_partial_symbols, have_full_symbols)
	(have_minimal_symbols, qsort_cmp, update_section_map)
	(shared_objfile_contains_address_p)
	(default_iterate_over_objfiles_in_search_order): Update.
	* objc-lang.c (info_selectors_command, info_classes_command)
	(find_methods): Update.
	* minsyms.c (find_solib_trampoline_target): Update.
	* maint.c (maintenance_info_sections)
	(maintenance_translate_address, count_symtabs_and_blocks):
	Update.
	* main.c (captured_main_1): Update.
	* linux-thread-db.c (try_thread_db_load_from_pdir)
	(has_libpthread): Update.
	* linespec.c (iterate_over_all_matching_symtabs)
	(search_minsyms_for_name): Update.
	* jit.c (jit_find_objf_with_entry_addr): Update.
	* hppa-tdep.c (find_unwind_entry)
	(hppa_lookup_stub_minimal_symbol): Update.
	* gcore.c (gcore_create_callback, objfile_find_memory_regions):
	Update.
	* elfread.c (elf_gnu_ifunc_resolve_by_cache)
	(elf_gnu_ifunc_resolve_by_got): Update.
	* dwarf2-frame.c (dwarf2_frame_find_fde): Update.
	* dwarf-index-write.c (save_gdb_index_command): Update.
	* cp-support.c (add_symbol_overload_list_qualified): Update.
	* breakpoint.c (create_overlay_event_breakpoint)
	(create_longjmp_master_breakpoint)
	(create_std_terminate_master_breakpoint)
	(create_exception_master_breakpoint): Update.
	* blockframe.c (find_pc_partial_function): Update.
	* ada-lang.c (ada_lookup_simple_minsym, add_nonlocal_symbols)
	(ada_collect_symbol_completion_matches)
	(ada_add_global_exceptions): Update.
2019-01-17 15:34:37 -07:00
Tom Tromey 6471e7d23d Replace "the the" with "the"
This replaces "the the" with "the" in various comments.

Tested by rebuilding.  This didn't test the solib-dsbt.c change, but
it looks harmless.

gdb/ChangeLog
2019-01-17  Tom Tromey  <tromey@bapiya>

	* valprint.c: Replace "the the" with "the".
	* symtab.c: Replace "the the" with "the".
	* solib.c: Replace "the the" with "the".
	* solib-dsbt.c: Replace "the the" with "the".
	* linespec.c: Replace "the the" with "the".
	* dwarf2loc.h: Replace "the the" with "the".
	* amd64-windows-tdep.c: Replace "the the" with "the".
	* aarch64-tdep.c: Replace "the the" with "the".
2019-01-17 10:22:44 -07:00
Tom Tromey 8b31193aa9 Remove ALL_OBJFILES and ALL_FILETABS
This removes the ALL_OBJFILES and ALL_FILETABS macros, replacing them
with ranged for loops.

gdb/ChangeLog
2019-01-09  Tom Tromey  <tom@tromey.com>

	* symtab.c (find_line_symtab, info_sources_command)
	(make_source_files_completion_list): Use objfile_compunits.
	* source.c (select_source_symtab): Use objfile_compunits.
	* objfiles.h (struct objfile): Update comment.
	(ALL_OBJFILES): Remove.
	(ALL_FILETABS): Remove.
	* mi/mi-cmd-file.c (mi_cmd_file_list_exec_source_files): Use
	objfile_compunits.
2019-01-09 18:28:15 -07:00
Tom Tromey 5accd1a07e Remove ALL_COMPUNIT_FILETABS
This removes ALL_COMPUNIT_FILETABS, replacing its uses with ranged for
loops.

Because this is still used in the ALL_OBJFILE_FILETABS macro, in some
places a declaration had to be removed or renamed to avoid shadowing.

gdb/ChangeLog
2019-01-09  Tom Tromey  <tom@tromey.com>

	* symtab.h (ALL_COMPUNIT_FILETABS): Remove.
	(compunit_filetabs): New.
	* symtab.c (iterate_over_some_symtabs, find_pc_sect_line): Use
	compunit_filetabs.
	(info_sources_command, make_source_files_completion_list): Remove
	declaration.
	* symmisc.c (print_objfile_statistics, dump_objfile)
	(maintenance_print_symbols): Remove declaration.
	(maintenance_info_symtabs): Use compunit_filetabs.
	(maintenance_info_line_tables): Likewise.
	* source.c (select_source_symtab): Change local variable name.
	(forget_cached_source_info_for_objfile): Remove declaration.
	* objfiles.h (ALL_OBJFILE_FILETABS): Use compunit_filetabs.
	* objfiles.c (objfile_relocate1): Remove declaration.
	* mi/mi-cmd-file.c (mi_cmd_file_list_exec_source_files): Remove
	declaration.
	* maint.c (count_symtabs_and_blocks): Use compunit_filetabs.
	* coffread.c (coff_symtab_read): Remove declaration.
	* buildsym.c (buildsym_compunit::end_symtab_with_blockvector): Use
	compunit_filetabs.
2019-01-09 18:28:15 -07:00
Tom Tromey 592553c469 Remove ALL_OBJFILE_COMPUNITS
This removes ALL_OBJFILE_COMPUNITS, replacing its uses with ranged for
loops.  Because ALL_COMPUNITS is also updated, in some places a
declaration must be deleted to avoid shadowing.

gdb/ChangeLog
2019-01-09  Tom Tromey  <tom@tromey.com>

	* source.c (select_source_symtab)
	(forget_cached_source_info_for_objfile): Remove declaration.
	* mi/mi-cmd-file.c (mi_cmd_file_list_exec_source_files): Remove
	declaration.
	* maint.c (count_symtabs_and_blocks): Remove declaration.
	* cp-support.c (add_symbol_overload_list_qualified): Remove
	declaration.
	* coffread.c (coff_symtab_read): Remove declaration.
	* symtab.c (lookup_symbol_in_objfile_symtabs)
	(basic_lookup_transparent_type_1): Use objfile_compunits.
	(lookup_objfile_from_block, find_pc_sect_compunit_symtab)
	(info_sources_command, search_symbols)
	(default_collect_symbol_completion_matches_break_on)
	(make_source_files_completion_list): Remove declaration.
	* ada-lang.c (add_nonlocal_symbols): Use objfile_compunits.
	(ada_collect_symbol_completion_matches)
	(ada_add_global_exceptions): Remove declaration.
	* linespec.c (iterate_over_all_matching_symtabs): Use
	objfile_compunits.
	* objfiles.h (ALL_OBJFILE_COMPUNITS): Remove.
	(class objfile_compunits): New.
	(ALL_COMPUNITS): Use objfile_compunits.
	* symmisc.c (print_objfile_statistics, maintenance_info_symtabs)
	(maintenance_check_symtabs, maintenance_info_line_tables): Use
	objfile_compunits.
	* objfiles.c (objfile_relocate1): Use objfile_compunits.
2019-01-09 18:28:15 -07:00
Joel Brobecker 42a4f53d2b Update copyright year range in all GDB files.
This commit applies all changes made after running the gdb/copyright.py
script.

Note that one file was flagged by the script, due to an invalid
copyright header
(gdb/unittests/basic_string_view/element_access/char/empty.cc).
As the file was copied from GCC's libstdc++-v3 testsuite, this commit
leaves this file untouched for the time being; a patch to fix the header
was sent to gcc-patches first.

gdb/ChangeLog:

	Update copyright year range in all GDB files.
2019-01-01 10:01:51 +04:00
Tom Tromey 95bc9f0bf0 Change input_handler to take a unique_xmalloc_ptr
This changes ui::input_handler to take a unique_xmalloc_ptr.  This
clarifies the ownership transfer of input_handler's argument.

gdb/ChangeLog
2018-12-30  Tom Tromey  <tom@tromey.com>

	* event-top.h (command_line_handler): Update.
	* top.c (class gdb_readline_wrapper_cleanup) <m_handler_orig>:
	Update.
	(gdb_readline_wrapper_line): Update.
	* top.h (struct ui) <input_handler>: Take a unique_xmalloc_ptr.
	(handle_line_of_input): Update.
	* event-top.c: Update.
	(gdb_readline_no_editing_callback): Update.
	(command_line_handler): Take a unique_xmalloc_ptr.
	(handle_line_of_input): Take a const char *.
	(command_line_append_input_line): Take a const char *.
2018-12-30 08:54:13 -07:00
Tom Tromey cbe5657196 Add output styles to gdb
This adds some output styling to the CLI.

A style is currently a foreground color, a background color, and an
intensity (dim or bold).  (This list could be expanded depending on
terminal capabilities.)

A style can be applied while printing.  For ui-out, this is done by
passing the style constant as an argument.  For low-level cases,
fprintf_styled and fputs_styled are provided.

Users can control the style via a number of new set/show commands.  In
the interest of not typing many nearly-identical documentation
strings, I automated this.  On the down side, this is not very
i18n-friendly.

I've chose some default colors to use.  I think it would be good to
enable this by default, so that when users start the new gdb, they
will see the new feature.

Stylizing is done if TERM is set and is not "dumb".  This could be
improved when the TUI is available by using the curses has_colors
call.  That is, the lowest layer could call this without committing to
using curses everywhere; see my other patch for TUI colorizing.

I considered adding a new "set_style" method to ui_file.  However,
because the implementation had to interact with the pager code, I
didn't take this approach.  But, one idea might be to put the isatty
check there and then have it defer to the lower layers.

gdb/ChangeLog
2018-12-28  Tom Tromey  <tom@tromey.com>

	* utils.h (set_output_style, fprintf_styled)
	(fputs_styled): Declare.
	* utils.c (applied_style, desired_style): New globals.
	(emit_style_escape, set_output_style): New function.
	(prompt_for_continue): Emit style escapes.
	(fputs_maybe_filtered): Likewise.
	(fputs_styled, fprintf_styled): New functions.
	* ui-out.h (enum class ui_out_style_kind): New.
	(class ui_out) <field_string, field_stream, do_field_string>: Add
	style parameter.
	* ui-out.c (ui_out::field_stream, ui_out::field_string): Add style
	parameter.
	* tui/tui-out.h (class tui_ui_out) <do_field_string>: Add style
	parameter.
	* tui/tui-out.c (tui_ui_out::do_field_string): Add style
	parameter.
	(tui_ui_out::do_field_string): Update.
	* tracepoint.c (print_one_static_tracepoint_marker): Style
	output.
	* stack.c (print_frame_info, print_frame): Style output.
	* source.c (print_source_lines_base): Style output.
	* skip.c (info_skip_command): Style output.
	* record-btrace.c (btrace_call_history_src_line): Style output.
	(btrace_call_history): Likewise.
	* python/py-framefilter.c (py_print_frame): Style output.
	* mi/mi-out.h (class mi_ui_out) <do_field_string>: Add style
	parameter.
	* mi/mi-out.c (mi_ui_out::do_table_header)
	(mi_ui_out::do_field_int): Update.
	(mi_ui_out::do_field_string): Update.
	* disasm.c (gdb_pretty_print_disassembler::pretty_print_insn):
	Style output.
	* cli/cli-style.h: New file.
	* cli/cli-style.c: New file.
	* cli-out.h (class cli_ui_out) <do_field_string>: Add style
	parameter.
	* cli-out.c (cli_ui_out::do_table_header)
	(cli_ui_out::do_field_int, cli_ui_out::do_field_skip): Update.
	(cli_ui_out::do_field_string): Add style parameter.  Style the
	output.
	* breakpoint.c (print_breakpoint_location): Style output.
	(update_static_tracepoint): Likewise.
	* Makefile.in (SUBDIR_CLI_SRCS): Add cli-style.c.
	(HFILES_NO_SRCDIR): Add cli-style.h.

gdb/testsuite/ChangeLog
2018-12-28  Tom Tromey  <tom@tromey.com>

	* gdb.base/style.exp: New file.
	* gdb.base/style.c: New file.
2018-12-28 12:49:49 -07:00
Tom Tromey b5b12e1dbe Remove obsolete comments from field_fmt
This removes some comments that I believe were made obsolete by the
recent change to cli_ui_out::do_field_fmt.  The comment in mi_ui_out
probably was just copy/paste, because I think aligning never made
sense in an MI context.

gdb/ChangeLog
2018-11-25  Tom Tromey  <tom@tromey.com>

	* ui-out.c (ui_out::field_fmt): Remove comment.
	* tui/tui-out.c (tui_ui_out::do_field_fmt): Remove comment.
	* mi/mi-out.c (mi_ui_out::do_field_fmt): Remove comment.
2018-11-25 15:29:35 -07:00
Pedro Alves 0803633106 Per-inferior thread list, thread ranges/iterators, down with ALL_THREADS, etc.
As preparation for multi-target, this patch makes each inferior have
its own thread list.

This isn't absolutely necessary for multi-target, but simplifies
things.  It originally stemmed from the desire to eliminate the
init_thread_list calls sprinkled around, plus it makes it more
efficient to iterate over threads of a given inferior (no need to
always iterate over threads of all inferiors).

We still need to iterate over threads of all inferiors in a number of
places, which means we'd need adjust the ALL_THREADS /
ALL_NON_EXITED_THREADS macros.  However, naively tweaking those macros
to have an extra for loop, like:

     #define ALL_THREADS (thr, inf) \
       for (inf = inferior_list; inf; inf = inf->next) \
	 for (thr = inf->thread_list; thr; thr = thr->next)

causes problems with code that does "break" or "continue" within the
ALL_THREADS loop body.  Plus, we need to declare the extra "inf" local
variable in order to pass it as temporary variable to ALL_THREADS
(etc.)

It gets even trickier when we consider extending the macros to filter
out threads matching a ptid_t and a target.  The macros become tricker
to read/write.  Been there.

An alternative (which was my next attempt), is to replace the
ALL_THREADS etc. iteration style with for_each_all_threads,
for_each_non_exited_threads, etc. functions which would take a
callback as parameter, which would usually be passed a lambda.
However, I did not find that satisfactory at all, because the
resulting code ends up a little less natural / more noisy to read,
write and debug/step-through (due to use of lambdas), and in many
places where we use "continue;" to skip to the next thread now need to
use "return;".  (I ran into hard to debug bugs caused by a
continue/return confusion.)

I.e., before:

    ALL_NON_EXITED_THREADS (tp)
      {
	if (tp->not_what_I_want)
	  continue;
	// do something
      }

would turn into:

    for_each_non_exited_thread ([&] (thread_info *tp)
      {
	if (tp->not_what_I_want)
	  return;
	// do something
      });

Lastly, the solution I settled with was to replace the ALL_THREADS /
ALL_NON_EXITED_THREADS / ALL_INFERIORS macros with (C++20-like) ranges
and iterators, such that you can instead naturaly iterate over
threads/inferiors using range-for, like e.g,.:

   // all threads, including THREAD_EXITED threads.
   for (thread_info *tp : all_threads ())
     { .... }

   // all non-exited threads.
   for (thread_info *tp : all_non_exited_threads ())
     { .... }

   // all non-exited threads of INF inferior.
   for (thread_info *tp : inf->non_exited_threads ())
     { .... }

The all_non_exited_threads() function takes an optional filter ptid_t as
parameter, which is quite convenient when we need to iterate over
threads matching that filter.  See e.g., how the
set_executing/set_stop_requested/finish_thread_state etc. functions in
thread.c end up being simplified.

Most of the patch thus is about adding the infrustructure for allowing
the above.  Later on when we get to actual multi-target, these
functions/ranges/iterators will gain a "target_ops *" parameter so
that e.g., we can iterate over all threads of a given target that
match a given filter ptid_t.

The only entry points users needs to be aware of are the
all_threads/all_non_exited_threads etc. functions seen above.  Thus,
those functions are declared in gdbthread.h/inferior.h.  The actual
iterators/ranges are mainly "internals" and thus are put out of view
in the new thread-iter.h/thread-iter.c/inferior-iter.h files.  That
keeps the gdbthread.h/inferior.h headers quite a bit more readable.

A common/safe-iterator.h header is added which adds a template that
can be used to build "safe" iterators, which are forward iterators
that can be used to replace the ALL_THREADS_SAFE macro and other
instances of the same idiom in future.

There's a little bit of shuffling of code between
gdbthread.h/thread.c/inferior.h in the patch.  That is necessary in
order to avoid circular dependencies between the
gdbthread.h/inferior.h headers.

As for the init_thread_list calls sprinkled around, they're all
eliminated by this patch, and a new, central call is added to
inferior_appeared.  Note how also related to that, there's a call to
init_wait_for_inferior in remote.c that is eliminated.
init_wait_for_inferior is currently responsible for discarding skipped
inline frames, which had to be moved elsewhere.  Given that nowadays
we always have a thread even for single-threaded processes, the
natural place is to delete a frame's inline frame info when we delete
the thread.  I.e., from clear_thread_inferior_resources.

gdb/ChangeLog:
2018-11-22  Pedro Alves  <palves@redhat.com>

	* Makefile.in (COMMON_SFILES): Add thread-iter.c.
	* breakpoint.c (breakpoints_should_be_inserted_now): Replace
	ALL_NON_EXITED_THREADS with all_non_exited_threads.
	(print_one_breakpoint_location): Replace ALL_INFERIORS with
	all_inferiors.
	* bsd-kvm.c: Include inferior.h.
	* btrace.c (btrace_free_objfile): Replace ALL_NON_EXITED_THREADS
	with all_non_exited_threads.
	* common/filtered-iterator.h: New.
	* common/safe-iterator.h: New.
	* corelow.c (core_target_open): Don't call init_thread_list here.
	* darwin-nat.c (thread_info_from_private_thread_info): Replace
	ALL_THREADS with all_threads.
	* fbsd-nat.c (fbsd_nat_target::resume): Replace
	ALL_NON_EXITED_THREADS with inf->non_exited_threads.
	* fbsd-tdep.c (fbsd_make_corefile_notes): Replace
	ALL_NON_EXITED_THREADS with inf->non_exited_threads.
	* fork-child.c (postfork_hook): Don't call init_thread_list here.
	* gdbarch-selftests.c (register_to_value_test): Adjust.
	* gdbthread.h: Don't include "inferior.h" here.
	(struct inferior): Forward declare.
	(enum step_over_calls_kind): Moved here from inferior.h.
	(thread_info::deletable): Definition moved to thread.c.
	(find_thread_ptid (inferior *, ptid_t)): Declare.
	(ALL_THREADS, ALL_THREADS_BY_INFERIOR, ALL_THREADS_SAFE): Delete.
	Include "thread-iter.h".
	(all_threads, all_non_exited_threads, all_threads_safe): New.
	(any_thread_p): Declare.
	(thread_list): Delete.
	* infcmd.c (signal_command): Replace ALL_NON_EXITED_THREADS with
	all_non_exited_threads.
	(proceed_after_attach_callback): Delete.
	(proceed_after_attach): Take an inferior pointer instead of an
	integer PID.  Adjust to use range-for.
	(attach_post_wait): Pass down inferior pointer instead of pid.
	Use range-for instead of ALL_NON_EXITED_THREADS.
	(detach_command): Remove init_thread_list call.
	* inferior-iter.h: New.
	* inferior.c (struct delete_thread_of_inferior_arg): Delete.
	(delete_thread_of_inferior): Delete.
	(delete_inferior, exit_inferior_1): Use range-for with
	inf->threads_safe() instead of iterate_over_threads.
	(inferior_appeared): Call init_thread_list here.
	(discard_all_inferiors): Use all_non_exited_inferiors.
	(find_inferior_id, find_inferior_pid): Use all_inferiors.
	(iterate_over_inferiors): Use all_inferiors_safe.
	(have_inferiors, number_of_live_inferiors): Use
	all_non_exited_inferiors.
	(number_of_inferiors): Use all_inferiors and std::distance.
	(print_inferior): Use all_inferiors.
	* inferior.h: Include gdbthread.h.
	(enum step_over_calls_kind): Moved to gdbthread.h.
	(struct inferior) <thread_list>: New field.
	<threads, non_exited_threads, threads_safe>: New methods.
	(ALL_INFERIORS): Delete.
	Include "inferior-iter.h".
	(ALL_NON_EXITED_INFERIORS): Delete.
	(all_inferiors_safe, all_inferiors, all_non_exited_inferiors): New
	functions.
	* inflow.c (child_interrupt, child_pass_ctrlc): Replace
	ALL_NON_EXITED_THREADS with all_non_exited_threads.
	* infrun.c (follow_exec): Use all_threads_safe.
	(clear_proceed_status, proceed): Use all_non_exited_threads.
	(init_wait_for_inferior): Don't clear inline frame state here.
	(infrun_thread_stop_requested, for_each_just_stopped_thread): Use
	all_threads instead of ALL_NON_EXITED_THREADS.
	(random_pending_event_thread): Use all_non_exited_threads instead
	of ALL_NON_EXITED_THREADS.  Use a lambda for repeated code.
	(clean_up_just_stopped_threads_fsms): Use all_non_exited_threads
	instead of ALL_NON_EXITED_THREADS.
	(handle_no_resumed): Use all_non_exited_threads instead of
	ALL_NON_EXITED_THREADS.  Use all_inferiors instead of
	ALL_INFERIORS.
	(restart_threads, switch_back_to_stepped_thread): Use
	all_non_exited_threads instead of ALL_NON_EXITED_THREADS.
	* linux-nat.c (check_zombie_leaders): Replace ALL_INFERIORS with
	all_inferiors.
	(kill_unfollowed_fork_children): Use inf->non_exited_threads
	instead of ALL_NON_EXITED_THREADS.
	* linux-tdep.c (linux_make_corefile_notes): Use
	inf->non_exited_threads instead of ALL_NON_EXITED_THREADS.
	* linux-thread-db.c (thread_db_target::update_thread_list):
	Replace ALL_INFERIORS with all_inferiors.
	(thread_db_target::thread_handle_to_thread_info): Use
	inf->non_exited_threads instead of ALL_NON_EXITED_THREADS.
	* mi/mi-interp.c (multiple_inferiors_p): New.
	(mi_on_resume_1): Simplify using all_non_exited_threads and
	multiple_inferiors_p.
	* mi/mi-main.c (mi_cmd_thread_list_ids): Use all_non_exited_threads
	instead of ALL_NON_EXITED_THREADS.
	* nto-procfs.c (nto_procfs_target::open): Don't call
	init_thread_list here.
	* record-btrace.c (record_btrace_target_open)
	(record_btrace_target::stop_recording)
	(record_btrace_target::close)
	(record_btrace_target::record_is_replaying)
	(record_btrace_target::resume, record_btrace_target::wait)
	(record_btrace_target::record_stop_replaying): Use
	all_non_exited_threads instead of ALL_NON_EXITED_THREADS.
	* record-full.c (record_full_wait_1): Use all_non_exited_threads
	instead of ALL_NON_EXITED_THREADS.
	* regcache.c (cooked_read_test): Remove reference to global
	thread_list.
	* remote-sim.c (gdbsim_target::create_inferior): Don't call
	init_thread_list here.
	* remote.c (remote_target::update_thread_list): Use
	all_threads_safe instead of ALL_NON_EXITED_THREADS.
	(remote_target::process_initial_stop_replies): Replace
	ALL_INFERIORS with all_non_exited_inferiors and use
	all_non_exited_threads instead of ALL_NON_EXITED_THREADS.
	(remote_target::open_1): Don't call init_thread_list here.
	(remote_target::append_pending_thread_resumptions)
	(remote_target::remote_resume_with_hc): Use all_non_exited_threads
	instead of ALL_NON_EXITED_THREADS.
	(remote_target::commit_resume)
	(remote_target::remove_new_fork_children): Replace ALL_INFERIORS
	with all_non_exited_inferiors and use all_non_exited_threads
	instead of ALL_NON_EXITED_THREADS.
	(remote_target::kill_new_fork_children): Use
	all_non_exited_threads instead of ALL_NON_EXITED_THREADS.  Remove
	init_thread_list and init_wait_for_inferior calls.
	(remote_target::remote_btrace_maybe_reopen)
	(remote_target::thread_handle_to_thread_info): Use
	all_non_exited_threads instead of ALL_NON_EXITED_THREADS.
	* target.c (target_terminal::restore_inferior)
	(target_terminal_is_ours_kind): Replace ALL_INFERIORS with
	all_non_exited_inferiors.
	* thread-iter.c: New file.
	* thread-iter.h: New file.
	* thread.c: Include "inline-frame.h".
	(thread_list): Delete.
	(clear_thread_inferior_resources): Call clear_inline_frame_state.
	(init_thread_list): Use all_threads_safe instead of
	ALL_THREADS_SAFE.  Adjust to per-inferior thread lists.
	(new_thread): Adjust to per-inferior thread lists.
	(add_thread_silent): Pass inferior to find_thread_ptid.
	(thread_info::deletable): New, moved from the header.
	(delete_thread_1): Adjust to per-inferior thread lists.
	(find_thread_global_id): Use inf->threads().
	(find_thread_ptid): Use find_inferior_ptid and pass inferior to
	find_thread_ptid.
	(find_thread_ptid(inferior*, ptid_t)): New overload.
	(iterate_over_threads): Use all_threads_safe.
	(any_thread_p): New.
	(thread_count): Use all_threads and std::distance.
	(live_threads_count): Use all_non_exited_threads and
	std::distance.
	(valid_global_thread_id): Use all_threads.
	(in_thread_list): Use find_thread_ptid.
	(first_thread_of_inferior): Adjust to per-inferior thread lists.
	(any_thread_of_inferior, any_live_thread_of_inferior): Use
	inf->non_exited_threads().
	(prune_threads, delete_exited_threads): Use all_threads_safe.
	(thread_change_ptid): Pass inferior pointer to find_thread_ptid.
	(set_resumed, set_running): Use all_non_exited_threads.
	(is_thread_state, is_stopped, is_exited, is_running)
	(is_executing): Delete.
	(set_executing, set_stop_requested, finish_thread_state): Use
	all_non_exited_threads.
	(print_thread_info_1): Use all_inferiors and all_threads.
	(thread_apply_all_command): Use all_non_exited_threads.
	(thread_find_command): Use all_threads.
	(update_threads_executing): Use all_non_exited_threads.
	* tid-parse.c (parse_thread_id): Use inf->threads.
	* x86-bsd-nat.c (x86bsd_dr_set): Use inf->non_exited_threads ().
2018-11-22 16:13:23 +00:00
Simon Marchi f6efe3f842 Introduce gdbarch_num_cooked_regs
The expression

  gdbarch_num_regs (gdbarch) + gdbarch_num_pseudo_regs (gdbarch)

is used quite often to find the number of cooked registers (raw + pseudo
registers).  This patch introduces gdbarch_num_cooked_regs, which does
the equivalent.  It substantially reduces required wrapping in some
places, so should improve readability.

There is a for loop in m68hc11_frame_unwind_cache that had iterated
until (the equivalent of) gdbarch_num_cooked_regs (gdbarch) - 1.  During
review, we concluded that this is most likely an off-by-one mistake, so
I replaced it with gdbarch_num_cooked_regs (gdbarch).

gdb/ChangeLog:

	* gdbarch.sh (gdbarch_num_cooked_regs): New.
	* gdbarch.h: Re-generate.
	* ax-gdb.c (gen_expr): Use gdbarch_num_cooked_regs.
	* dwarf2-frame.c (dwarf2_frame_cache): Likewise.
	* eval.c (evaluate_subexp_standard): Likewise.
	* findvar.c (value_of_register): Likewise.
	(value_of_register_lazy): Likewise.
	(address_from_register): Likewise.
	* frame.c (get_frame_register_bytes): Likewise.
	* gdbarch-selftests.c (register_to_value_test): Likewise.
	* h8300-tdep.c (h8300_register_type): Likewise.
	* i386-tdep.c (i386_dbx_reg_to_regnum): Likewise.
	(i386_svr4_reg_to_regnum): Likewise.
	* infcmd.c (default_print_registers_info): Likewise.
	(registers_info): Likewise.
	(print_vector_info): Likewise.
	(default_print_float_info): Likewise.
	* m68hc11-tdep.c (m68hc11_frame_unwind_cache): Likewise.
	* mdebugread.c (mdebug_reg_to_regnum): Likewise.
	* mi/mi-main.c (mi_cmd_data_list_register_names): Likewise.
	(mi_cmd_data_list_changed_registers): Likewise.
	(mi_cmd_data_list_register_values): Likewise.
	(mi_cmd_data_write_register_values): Likewise.
	(mi_cmd_trace_frame_collected): Likewise.
	* mips-tdep.c (print_gp_register_row): Likewise.
	(mips_print_registers_info): Likewise.
	* nds32-tdep.c (nds32_gdbarch_init): Likewise.
	* regcache.c (init_regcache_descr): Likewise.
	(register_size): Likewise.
	(register_dump::dump): Likewise.
	(cooked_read_test): Likewise.
	(cooked_write_test): Likewise.
	* rs6000-tdep.c (rs6000_register_sim_regno): Likewise.
	(rs6000_gdbarch_init): Likewise.
	* stabsread.c (stab_reg_to_regnum): Likewise.
	* stack.c (info_frame_command): Likewise.
	* target-descriptions.c (tdesc_register_name): Likewise.
	* trad-frame.c (trad_frame_alloc_saved_regs): Likewise.
	* tui/tui-regs.c (tui_show_register_group): Likewise.
	* user-regs.c (user_reg_map_name_to_regnum): Likewise.
	(user_reg_map_regnum_to_name): Likewise.
	(value_of_user_reg): Likewise.
	(maintenance_print_user_registers): Likewise.
	* xtensa-tdep.c (xtensa_find_register_by_name): Likewise.
	(xtensa_register_name): Likewise.
	(xtensa_register_type): Likewise.
	(xtensa_reg_to_regnum): Likewise.
	(xtensa_pseudo_register_read): Likewise.
	(xtensa_pseudo_register_write): Likewise.
2018-10-21 22:29:21 -04:00
Tom Tromey b926417afa Simple -Wshadow=local fixes
This fixes all the straightforward -Wshadow=local warnings in gdb.  A
few standard approaches are used here:

* Renaming an inner (or outer, but more commonly inner) variable;
* Lowering a declaration to avoid a clash;
* Moving a declaration into a more inner scope to avoid a clash,
  including the special case of moving a declaration into a loop header.

I did not consider any of the changes in this patch to be particularly
noteworthy, though of course they should all still be examined.

gdb/ChangeLog
2018-10-04  Tom Tromey  <tom@tromey.com>

	* ctf.c (SET_ARRAY_FIELD): Rename "u32".
	* p-valprint.c (pascal_val_print): Split inner "i" variable.
	* xtensa-tdep.c (xtensa_push_dummy_call): Declare "i" in loop
	header.
	* xstormy16-tdep.c (xstormy16_push_dummy_call): Declare "val" in
	more inner scope.
	* xcoffread.c (read_xcoff_symtab): Rename inner "symbol".
	* varobj.c (varobj_update): Rename inner "newobj",
	"type_changed".
	* valprint.c (generic_emit_char): Rename inner "buf".
	* valops.c (find_overload_match): Rename inner "temp".
	(value_struct_elt_for_reference): Declare "v" in more inner
	scope.
	* v850-tdep.c (v850_push_dummy_call): Rename "len".
	* unittests/array-view-selftests.c (run_tests): Rename inner
	"vec".
	* tui/tui-stack.c (tui_show_frame_info): Declare "i" in loop
	header.
	* tracepoint.c (merge_uploaded_trace_state_variables): Declare
	"tsv" in more inner scope.
	(print_one_static_tracepoint_marker): Rename inner
	"tuple_emitter".
	* tic6x-tdep.c (tic6x_analyze_prologue): Declare "inst" lower.
	(tic6x_push_dummy_call): Don't redeclare "addr".
	* target-float.c: Declare "dto" lower.
	* symtab.c (lookup_local_symbol): Rename inner "sym".
	(find_pc_sect_line): Rename inner "pc".
	* stack.c (print_frame): Don't redeclare "gdbarch".
	(return_command): Rename inner "gdbarch".
	* s390-tdep.c (s390_prologue_frame_unwind_cache): Renam inner
	"sp".
	* rust-lang.c (rust_internal_print_type): Declare "i" in loop
	header.
	* rs6000-tdep.c (ppc_process_record): Rename inner "addr".
	* riscv-tdep.c (riscv_push_dummy_call): Declare "info" in inner
	scope.
	* remote.c (remote_target::update_thread_list): Don't redeclare
	"tp".
	(remote_target::process_initial_stop_replies): Rename inner
	"thread".
	(remote_target::remote_parse_stop_reply): Don't redeclare "p".
	(remote_target::wait_as): Don't redeclare "stop_reply".
	(remote_target::get_thread_local_address): Rename inner
	"result".
	(remote_target::get_tib_address): Likewise.
2018-10-04 22:51:45 -06:00
Andrew Burgess f67ffa6a78 gdb: Change how frames are selected for 'frame' and 'info frame'.
The 'frame' command, and thanks to code reuse the 'info frame' and
'select-frame' commands, currently have an overloaded mechanism for
selecting a frame.

These commands take one or two parameters, if it's one parameter then
we first try to use the parameter as an integer to select a frame by
level (or depth in the stack).  If that fails then we treat the
parameter as an address and try to select a stack frame by
stack-address.  If we still have not selected a stack frame, or we
initially had two parameters, then GDB allows the user to view a stack
frame that is not part of the current backtrace.  Internally, a new
frame is created with the given stack and pc addresses, and this is
shown to the user.

The result of this is that a typo by the user, entering the wrong stack
frame level for example, can result in a brand new frame being viewed
rather than an error.

The purpose of this commit is to remove this overloading, while still
offering the same functionality through some new sub-commands.  By
making the default behaviour of 'frame' (and friends) be to select a
stack frame by level index, it is hoped that enough
backwards-compatibility is maintained that users will not be overly
inconvenienced.

The 'frame', 'select-frame', and 'info frame' commands now all take a
frame specification string as an argument, this string can be any of the
following:

  (1) An integer.  This is treated as a frame level.  If a frame for
  that level does not exist then the user gets an error.

  (2) A string like 'level <LEVEL>', where <LEVEL> is a frame level
  as in option (1) above.

  (3) A string like 'address <STACK-ADDRESS>', where <STACK-ADDRESS>
  is a stack-frame address.  If there is no frame for this address
  then the user gets an error.

  (4) A string like 'function <NAME>', where <NAME> is a function name,
  the inner most frame for function <NAME> is selected.  If there is no
  frame for function <NAME> then the user gets an error.

  (5) A string like 'view <STACK-ADDRESS>', this views a new frame
  with stack address <STACK-ADDRESS>.

  (6) A string like 'view <STACK-ADDRESS> <PC-ADDRESS>', this views
  a new frame with stack address <STACK-ADDRESS> and the pc <PC-ADDRESS>.

This change assumes that the most common use of the commands like
'frame' is to select a frame by frame level, it is for this reason
that this is the behaviour that is kept for backwards compatibility.
Any of the alternative behaviours, which are assumed to be less used,
now require a change in user behaviour.

The MI command '-stack-select-frame' has not been changed.  This
ensures that we maintain backwards compatibility for existing
frontends.

gdb/ChangeLog:

	(NEWS): Mention changes to frame related commands.
	* cli/cli-decode.c (add_cmd_suppress_notification): New function.
	(add_prefix_cmd_suppress_notification): New function.
	(add_com_suppress_notification): Call
	add_cmd_suppress_notification.
	* command.h (add_cmd_suppress_notification): Declare.
	(add_prefix_cmd_suppress_notification): Declare.
	* mi/mi-cmd-stack.c: Add 'safe-ctype.h' include.
	(parse_frame_specification): Moved from stack.c, with
	simplification to handle a single argument.
	(mi_cmd_stack_select_frame): Use parse_frame_specification, the
	switch to the selected frame.  Add a header comment.
	* stack.c: Remove 'safe-ctype.h' include.
	(find_frame_for_function): Add declaration.
	(find_frame_for_address): New function.
	(parse_frame_specification): Moved into mi/mi-cmd-stack.c.
	(frame_selection_by_function_completer): New function.
	(info_frame_command): Rename to...
	(info_frame_command_core): ...this, and update parameter types.
	(select_frame_command): Rename to...
	(select_frame_command_core): ...this, and update parameter types.
	(frame_command): Rename to...
	(frame_command_core): ...this, and update parameter types.
	(class frame_command_helper): New class to wrap implementations of
	frame related sub-commands.
	(frame_apply_cmd_list): New static global.
	(frame_cmd_list): Make static.
	(select_frame_cmd_list): New global for sub-commands.
	(info_frame_cmd_list): New global for sub-commands.
	(_initialize_stack): Register sub-commands for 'frame',
	'select-frame', and 'info frame'.  Update 'frame apply' commands
	to use frame_apply_cmd_list.  Move function local static
	frame_apply_list to file static frame_apply_cmd_list for
	consistency.
	* stack.h (select_frame_command): Delete declarationn.
	(select_frame_for_mi): Declare new function.

gdb/doc/ChangeLog:

	* gdb.texinfo (Frames): Rewrite the description of 'frame number'
	to highlight that the number is also the frame's level.
	(Selection): Rewrite documentation for 'frame' and 'select-frame'
	commands.
	(Frame Info): Rewrite documentation for 'info frame' command.

gdb/testsuite/ChangeLog:

	* gdb.base/frame-selection.exp: New file.
	* gdb.base/frame-selection.c: New file.
2018-09-28 11:59:34 +01:00
Jan Vrany 26fb3983d7 MI: Add -a option to the "-data-disassemble" command
The CLI "disassemble" command allows specifying a single address - in
that case the function surrounding that address is disassembled.

This commit adds this feature to the equivalent MI command
"-data-disassemble".

gdb/ChangeLog:
2018-08-14  Jan Vrany  <jan.vrany@fit.cvut.cz>

	* mi/mi-cmd-disas.c (mi_cmd_disassemble): Add -a option.
	If used, use find_pc_partial_function to find address range
	to disassemble.
	* mi/mi-main.c (mi_cmd_list_features): Report
	"data-disassemble-a-option" feature.
	* NEWS: Mention new -data-disassemble option -a.

gdb/doc/ChangeLog:
2018-08-14  Jan Vrany  <jan.vrany@fit.cvut.cz>

	* gdb.texinfo (GDB/MI Data Manipulation): Document
	"-data-disassemble -a addr".
	(GDB/MI Support Commands): Document "data-disassemble-a-option"
	feature.

gdb/testsuite/ChangeLog:
2018-08-14  Jan Vrany  <jan.vrany@fit.cvut.cz>

	* gdb.mi/mi-disassemble.exp (test_disassembly_only): Add tests for
	-data-disassemble -a.
	(test_disassembly_bogus_args): Likewise.
2018-08-14 14:13:28 +01:00
Tom Tromey 8d49165d83 Simple unused variable removals
This patch holds all the straightforward unused variable deletions.

gdb/ChangeLog
2018-07-22  Tom Tromey  <tom@tromey.com>

	* guile/scm-value.c (gdbscm_value_call): Remove unused variables.
	* guile/scm-math.c (vlscm_unop_gdbthrow, vlscm_binop_gdbthrow)
	(vlscm_convert_typed_value_from_scheme): Remove unused variable.
	* buildsym-legacy.c (get_macro_table): Remove unused variable.
	* stack.c (frame_apply_level_command): Remove unused variable.
	* tic6x-tdep.c (tic6x_push_dummy_call): Remove unused variable.
	* sparc64-tdep.c (adi_examine_command): Remove unused variable.
	* rs6000-lynx178-tdep.c (rs6000_lynx178_push_dummy_call): Remove
	unused variable.
	* nios2-tdep.c (nios2_push_dummy_call): Remove unused variable.
	* mep-tdep.c (mep_push_dummy_call): Remove unused variable.
	* ada-lang.c (ada_lookup_symbol_list_worker): Remove unused
	variable.
	* amd64-tdep.c (amd64_supply_xsave): Remove unused variable.
	* arm-tdep.c (arm_record_data_proc_misc_ld_str): Remove unused
	variable.
	* breakpoint.c (check_no_tracepoint_commands, update_watchpoint):
	Remove unused variable.
	* cli/cli-script.c (recurse_read_control_structure): Remove unused
	variable.
	* common/tdesc.c (print_xml_feature::visit): Remove unused
	variable.
	* compile/compile-object-load.c (store_regs): Remove unused
	variables.
	* complaints.c (clear_complaints): Remove unused variable.
	* corelow.c (core_target_open): Remove unused variable.
	* fbsd-tdep.c (fbsd_core_info_proc_status): Remove unused
	variable.
	* guile/scm-frame.c (gdbscm_frame_read_var): Remove unused
	variable.
	* guile/scm-symtab.c (stscm_print_sal_smob): Remove unused
	variable.
	* guile/scm-type.c (gdbscm_field_baseclass_p): Remove unused
	variable.
	* guile/scm-utils.c (gdbscm_parse_function_args): Remove unused
	variable.
	* hppa-tdep.c (hppa_stub_frame_unwind_cache): Remove unused
	variable.
	* ia64-tdep.c (examine_prologue): Remove unused variable.
	* infcall.c (run_inferior_call): Remove unused variable.
	* inferior.c (exit_inferior): Remove unused variable.
	* infrun.c (infrun_thread_ptid_changed): Remove unused variable.
	* linespec.c (decode_line_2): Remove unused variable.
	* linux-nat.c (super_close): Remove.
	* linux-tdep.c (linux_info_proc): Remove unused variable.
	* mi/mi-main.c (mi_execute_command): Remove unused variable.
	* microblaze-linux-tdep.c (microblaze_linux_sigtramp_cache):
	Remove unused variable.
	* parse.c (find_minsym_type_and_address): Remove unused variable.
	* printcmd.c (info_symbol_command, printf_floating): Remove unused
	variable.
	* python/py-breakpoint.c (bppy_set_commands): Remove unused
	variable.
	* python/py-unwind.c (unwind_infopy_dealloc): Remove unused
	variables.
	* record-btrace.c (record_btrace_target::store_registers): Remove
	unused variable.
	(cmd_show_record_btrace_cpu): Remove unused variable.
	* riscv-tdep.c (riscv_register_reggroup_p)
	(riscv_push_dummy_call, riscv_return_value): Remove unused
	variable.
	* rust-exp.y (literal): Remove unused variable.
	* rust-lang.c (rust_evaluate_subexp) <OP_RUST_ARARAY>: Remove
	unused variable.
	<STRUCTOP_ANONYMOUS>: Likewise.
	* s390-linux-tdep.c (s390_linux_init_abi_31)
	(s390_linux_init_abi_64): Remove unused variable.
	* ser-ming2.c (ser_windows_read_prim, pipe_select_thread)
	(file_select_thread, net_windows_open, _initialize_ser_windows):
	Remove unused variables.
	* symtab.c (find_pc_sect_line): Remove unused variable.
	* target-memory.c (compute_garbled_blocks): Remove unused
	variable.
	(target_write_memory_blocks): Remove unused variable.
	* target.c (target_stack::unpush): Remove unused variables.
	* tracepoint.c (start_tracing, all_tracepoint_actions)
	(merge_uploaded_trace_state_variables)
	(print_one_static_tracepoint_marker): Remove unused variable.
	* unittests/basic_string_view/element_access/char/1.cc (test01):
	Remove unused variable.
	* windows-nat.c (windows_continue, windows_add_all_dlls)
	(do_initial_windows_stuff, windows_nat_target::create_inferior):
	Remove unused variables.
2018-07-22 13:20:01 -06:00
Tom Tromey d7e15655a4 Remove ptid_equal
Remove ptid_equal in favor of using "==".

gdb/ChangeLog
2018-07-03  Tom Tromey  <tom@tromey.com>

	* common/ptid.c (ptid_equal): Remove.
	* common/ptid.h (ptid_equal): Don't declare.
	* ada-tasks.c: Update.
	* breakpoint.c: Update.
	* common/agent.c: Update.
	* corelow.c: Update.
	* darwin-nat-info.c: Update.
	* darwin-nat.c: Update.
	* dcache.c: Update.
	* dtrace-probe.c: Update.
	* dummy-frame.c: Update.
	* fbsd-nat.c: Update.
	* frame.c: Update.
	* gdbthread.h: Update.
	* gnu-nat.c: Update.
	* go32-nat.c: Update.
	* inf-loop.c: Update.
	* inf-ptrace.c: Update.
	* infcall.c: Update.
	* infcmd.c: Update.
	* inflow.c: Update.
	* infrun.c: Update.
	* linux-fork.c: Update.
	* linux-nat.c: Update.
	* linux-thread-db.c: Update.
	* mi/mi-cmd-var.c: Update.
	* mi/mi-interp.c: Update.
	* mi/mi-main.c: Update.
	* nto-procfs.c: Update.
	* ppc-linux-tdep.c: Update.
	* procfs.c: Update.
	* python/py-inferior.c: Update.
	* python/py-record-btrace.c: Update.
	* python/py-record.c: Update.
	* ravenscar-thread.c: Update.
	* regcache.c: Update.
	* remote-sim.c: Update.
	* remote.c: Update.
	* sol-thread.c: Update.
	* solib.c: Update.
	* target.c: Update.
	* tui/tui-stack.c: Update.
	* varobj.c: Update.
	* windows-nat.c: Update.
	* windows-tdep.c: Update.

gdb/gdbserver/ChangeLog
2018-07-03  Tom Tromey  <tom@tromey.com>

	* linux-low.c: Update.
	* lynx-low.c: Update.
	* mem-break.c: Update.
	* nto-low.c: Update.
	* remote-utils.c: Update.
	* server.c: Update.
	* spu-low.c: Update.
	* target.c: Update.
	* win32-low.c: Update.
2018-07-03 11:36:46 -06:00
Tom Tromey 0e998d966b Remove ptid_is_pid
This removes ptid_is_pid in favor of the ptid_t::is_pid method.

gdb/ChangeLog
2018-07-03  Tom Tromey  <tom@tromey.com>

	* common/ptid.c (ptid_is_pid): Remove.
	* common/ptid.h (ptid_is_pid): Don't declare.
	* infrun.c: Update.
	* linux-nat.c: Update.
	* mi/mi-interp.c: Update.
	* remote.c: Update.
	* thread.c: Update.

gdb/gdbserver/ChangeLog
2018-07-03  Tom Tromey  <tom@tromey.com>

	* linux-low.c: Update.
2018-07-03 11:36:44 -06:00
Tom Tromey e99b03dcf4 Remove ptid_get_pid
This removes ptid_get_pid in favor of calling the ptid_t::pid method.

gdb/ChangeLog
2018-07-03  Tom Tromey  <tom@tromey.com>

	* common/ptid.c (ptid_get_pid): Remove.
	* common/ptid.h (ptid_get_pid): Don't declare.
	* aarch64-linux-nat.c: Update.
	* ada-lang.c: Update.
	* aix-thread.c: Update.
	* alpha-bsd-nat.c: Update.
	* amd64-fbsd-nat.c: Update.
	* amd64-linux-nat.c: Update.
	* arm-linux-nat.c: Update.
	* arm-nbsd-nat.c: Update.
	* auxv.c: Update.
	* break-catch-syscall.c: Update.
	* breakpoint.c: Update.
	* bsd-uthread.c: Update.
	* corelow.c: Update.
	* ctf.c: Update.
	* darwin-nat.c: Update.
	* fbsd-nat.c: Update.
	* fbsd-tdep.c: Update.
	* gcore.c: Update.
	* gnu-nat.c: Update.
	* hppa-nbsd-nat.c: Update.
	* hppa-obsd-nat.c: Update.
	* i386-fbsd-nat.c: Update.
	* ia64-linux-nat.c: Update.
	* inf-ptrace.c: Update.
	* infcmd.c: Update.
	* inferior.c: Update.
	* inferior.h: Update.
	* inflow.c: Update.
	* infrun.c: Update.
	* linux-fork.c: Update.
	* linux-nat.c: Update.
	* linux-tdep.c: Update.
	* linux-thread-db.c: Update.
	* m68k-bsd-nat.c: Update.
	* mi/mi-interp.c: Update.
	* mi/mi-main.c: Update.
	* mips-linux-nat.c: Update.
	* mips-nbsd-nat.c: Update.
	* mips64-obsd-nat.c: Update.
	* nat/aarch64-linux-hw-point.c: Update.
	* nat/aarch64-linux.c: Update.
	* nat/linux-btrace.c: Update.
	* nat/linux-osdata.c: Update.
	* nat/linux-procfs.c: Update.
	* nat/x86-linux-dregs.c: Update.
	* nto-procfs.c: Update.
	* obsd-nat.c: Update.
	* ppc-linux-nat.c: Update.
	* ppc-nbsd-nat.c: Update.
	* ppc-obsd-nat.c: Update.
	* proc-service.c: Update.
	* procfs.c: Update.
	* python/py-inferior.c: Update.
	* python/py-infthread.c: Update.
	* ravenscar-thread.c: Update.
	* record.c: Update.
	* remote-sim.c: Update.
	* remote.c: Update.
	* rs6000-nat.c: Update.
	* s390-linux-nat.c: Update.
	* sh-nbsd-nat.c: Update.
	* sol-thread.c: Update.
	* sparc-nat.c: Update.
	* sparc64-tdep.c: Update.
	* spu-linux-nat.c: Update.
	* spu-tdep.c: Update.
	* target-debug.h: Update.
	* target.c: Update.
	* thread.c: Update.
	* tid-parse.c: Update.
	* tracefile-tfile.c: Update.
	* vax-bsd-nat.c: Update.
	* windows-nat.c: Update.
	* x86-linux-nat.c: Update.
	* x86-nat.c: Update.

gdb/gdbserver/ChangeLog
2018-07-03  Tom Tromey  <tom@tromey.com>

	* linux-low.c: Update.
	* linux-mips-low.c: Update.
	* lynx-low.c: Update.
	* mem-break.c: Update.
	* nto-low.c: Update.
	* remote-utils.c: Update.
	* server.c: Update.
	* spu-low.c: Update.
	* target.c: Update.
	* tracepoint.c: Update.
2018-07-03 11:36:42 -06:00
Pedro Alves 00431a78b2 Use thread_info and inferior pointers more throughout
This is more preparation bits for multi-target support.

In a multi-target scenario, we need to address the case of different
processes/threads running on different targets that happen to have the
same PID/PTID.  E.g., we can have both process 123 in target 1, and
process 123 in target 2, while they're in reality different processes
running on different machines.  Or maybe we've loaded multiple
instances of the same core file.  Etc.

To address this, in my WIP multi-target branch, threads and processes
are uniquely identified by the (process_stratum target_ops *, ptid_t)
and (process_stratum target_ops *, pid) tuples respectively.  I.e.,
each process_stratum instance has its own thread/process number space.

As you can imagine, that requires passing around target_ops * pointers
in a number of functions where we're currently passing only a ptid_t
or an int.  E.g., when we look up a thread_info object by ptid_t in
find_thread_ptid, the ptid_t alone isn't sufficient.

In many cases though, we already have the thread_info or inferior
pointer handy, but we "lose" it somewhere along the call stack, only
to look it up again by ptid_t/pid.  Since thread_info or inferior
objects know their parent target, if we pass around thread_info or
inferior pointers when possible, we avoid having to add extra
target_ops parameters to many functions, and also, we eliminate a
number of by ptid_t/int lookups.

So that's what this patch does.  In a bit more detail:

- Changes a number of functions and methods to take a thread_info or
  inferior pointer instead of a ptid_t or int parameter.

- Changes a number of structure fields from ptid_t/int to inferior or
  thread_info pointers.

- Uses the inferior_thread() function whenever possible instead of
  inferior_ptid.

- Uses thread_info pointers directly when possible instead of the
  is_running/is_stopped etc. routines that require a lookup.

- A number of functions are eliminated along the way, such as:

  int valid_gdb_inferior_id (int num);
  int pid_to_gdb_inferior_id (int pid);
  int gdb_inferior_id_to_pid (int num);
  int in_inferior_list (int pid);

- A few structures and places hold a thread_info pointer across
  inferior execution, so now they take a strong reference to the
  (refcounted) thread_info object to avoid the thread_info pointer
  getting stale.  This is done in enable_thread_stack_temporaries and
  in the infcall.c code.

- Related, there's a spot in infcall.c where using a RAII object to
  handle the refcount would be handy, so a gdb::ref_ptr specialization
  for thread_info is added (thread_info_ref, in gdbthread.h), along
  with a gdb_ref_ptr policy that works for all refcounted_object types
  (in common/refcounted-object.h).

gdb/ChangeLog:
2018-06-21  Pedro Alves  <palves@redhat.com>

	* ada-lang.h (ada_get_task_number): Take a thread_info pointer
	instead of a ptid_t.  All callers adjusted.
	* ada-tasks.c (ada_get_task_number): Likewise.  All callers
	adjusted.
	(print_ada_task_info, display_current_task_id, task_command_1):
	Adjust.
	* breakpoint.c (watchpoint_in_thread_scope): Adjust to use
	inferior_thread.
	(breakpoint_kind): Adjust.
	(remove_breakpoints_pid): Rename to ...
	(remove_breakpoints_inf): ... this.  Adjust to take an inferior
	pointer.  All callers adjusted.
	(bpstat_clear_actions): Use inferior_thread.
	(get_bpstat_thread): New.
	(bpstat_do_actions): Use it.
	(bpstat_check_breakpoint_conditions, bpstat_stop_status): Adjust
	to take a thread_info pointer.  All callers adjusted.
	(set_longjmp_breakpoint_for_call_dummy, set_momentary_breakpoint)
	(breakpoint_re_set_thread): Use inferior_thread.
	* breakpoint.h (struct inferior): Forward declare.
	(bpstat_stop_status): Update.
	(remove_breakpoints_pid): Delete.
	(remove_breakpoints_inf): New.
	* bsd-uthread.c (bsd_uthread_target::wait)
	(bsd_uthread_target::update_thread_list): Use find_thread_ptid.
	* btrace.c (btrace_add_pc, btrace_enable, btrace_fetch)
	(maint_btrace_packet_history_cmd)
	(maint_btrace_clear_packet_history_cmd): Adjust.
	(maint_btrace_clear_cmd, maint_info_btrace_cmd): Adjust to use
	inferior_thread.
	* cli/cli-interp.c: Include "inferior.h".
	* common/refcounted-object.h (struct
	refcounted_object_ref_policy): New.
	* compile/compile-object-load.c: Include gdbthread.h.
	(store_regs): Use inferior_thread.
	* corelow.c (core_target::close): Use current_inferior.
	(core_target_open): Adjust to use first_thread_of_inferior and use
	the current inferior.
	* ctf.c (ctf_target::close): Adjust to use current_inferior.
	* dummy-frame.c (dummy_frame_id) <ptid>: Delete, replaced by ...
	<thread>: ... this new field.  All references adjusted.
	(dummy_frame_pop, dummy_frame_discard, register_dummy_frame_dtor):
	Take a thread_info pointer instead of a ptid_t.
	* dummy-frame.h (dummy_frame_push, dummy_frame_pop)
	(dummy_frame_discard, register_dummy_frame_dtor): Take a
	thread_info pointer instead of a ptid_t.
	* elfread.c: Include "inferior.h".
	(elf_gnu_ifunc_resolver_stop, elf_gnu_ifunc_resolver_return_stop):
	Use inferior_thread.
	* eval.c (evaluate_subexp): Likewise.
	* frame.c (frame_pop, has_stack_frames, find_frame_sal): Use
	inferior_thread.
	* gdb_proc_service.h (struct thread_info): Forward declare.
	(struct ps_prochandle) <ptid>: Delete, replaced by ...
	<thread>: ... this new field.  All references adjusted.
	* gdbarch.h, gdbarch.c: Regenerate.
	* gdbarch.sh (get_syscall_number): Replace 'ptid' parameter with a
	'thread' parameter.  All implementations and callers adjusted.
	* gdbthread.h (thread_info) <set_running>: New method.
	(delete_thread, delete_thread_silent): Take a thread_info pointer
	instead of a ptid.
	(global_thread_id_to_ptid, ptid_to_global_thread_id): Delete.
	(first_thread_of_process): Delete, replaced by ...
	(first_thread_of_inferior): ... this new function.  All callers
	adjusted.
	(any_live_thread_of_process): Delete, replaced by ...
	(any_live_thread_of_inferior): ... this new function.  All callers
	adjusted.
	(switch_to_thread, switch_to_no_thread): Declare.
	(is_executing): Delete.
	(enable_thread_stack_temporaries): Update comment.
	<enable_thread_stack_temporaries>: Take a thread_info pointer
	instead of a ptid_t.  Incref the thread.
	<~enable_thread_stack_temporaries>: Decref the thread.
	<m_ptid>: Delete
	<m_thr>: New.
	(thread_stack_temporaries_enabled_p, push_thread_stack_temporary)
	(get_last_thread_stack_temporary)
	(value_in_thread_stack_temporaries, can_access_registers_thread):
	Take a thread_info pointer instead of a ptid_t.  All callers
	adjusted.
	* infcall.c (get_call_return_value): Use inferior_thread.
	(run_inferior_call): Work with thread pointers instead of ptid_t.
	(call_function_by_hand_dummy): Work with thread pointers instead
	of ptid_t.  Use thread_info_ref.
	* infcmd.c (proceed_thread_callback): Access thread's state
	directly.
	(ensure_valid_thread, ensure_not_running): Use inferior_thread,
	access thread's state directly.
	(continue_command): Use inferior_thread.
	(info_program_command): Use find_thread_ptid and access thread
	state directly.
	(proceed_after_attach_callback): Use thread state directly.
	(notice_new_inferior): Take a thread_info pointer instead of a
	ptid_t.  All callers adjusted.
	(exit_inferior): Take an inferior pointer instead of a pid.  All
	callers adjusted.
	(exit_inferior_silent): New.
	(detach_inferior): Delete.
	(valid_gdb_inferior_id, pid_to_gdb_inferior_id)
	(gdb_inferior_id_to_pid, in_inferior_list): Delete.
	(detach_inferior_command, kill_inferior_command): Use
	find_inferior_id instead of valid_gdb_inferior_id and
	gdb_inferior_id_to_pid.
	(inferior_command): Use inferior and thread pointers.
	* inferior.h (struct thread_info): Forward declare.
	(notice_new_inferior): Take a thread_info pointer instead of a
	ptid_t.  All callers adjusted.
	(detach_inferior): Delete declaration.
	(exit_inferior, exit_inferior_silent): Take an inferior pointer
	instead of a pid.  All callers adjusted.
	(gdb_inferior_id_to_pid, pid_to_gdb_inferior_id, in_inferior_list)
	(valid_gdb_inferior_id): Delete.
	* infrun.c (follow_fork_inferior, proceed_after_vfork_done)
	(handle_vfork_child_exec_or_exit, follow_exec): Adjust.
	(struct displaced_step_inferior_state) <pid>: Delete, replaced by
	...
	<inf>: ... this new field.
	<step_ptid>: Delete, replaced by ...
	<step_thread>: ... this new field.
	(get_displaced_stepping_state): Take an inferior pointer instead
	of a pid.  All callers adjusted.
	(displaced_step_in_progress_any_inferior): Adjust.
	(displaced_step_in_progress_thread): Take a thread pointer instead
	of a ptid_t.  All callers adjusted.
	(displaced_step_in_progress, add_displaced_stepping_state): Take
	an inferior pointer instead of a pid.  All callers adjusted.
	(get_displaced_step_closure_by_addr): Adjust.
	(remove_displaced_stepping_state): Take an inferior pointer
	instead of a pid.  All callers adjusted.
	(displaced_step_prepare_throw, displaced_step_prepare)
	(displaced_step_fixup): Take a thread pointer instead of a ptid_t.
	All callers adjusted.
	(start_step_over): Adjust.
	(infrun_thread_ptid_changed): Remove bit updating ptids in the
	displaced step queue.
	(do_target_resume): Adjust.
	(fetch_inferior_event): Use inferior_thread.
	(context_switch, get_inferior_stop_soon): Take an
	execution_control_state pointer instead of a ptid_t.  All callers
	adjusted.
	(switch_to_thread_cleanup): Delete.
	(stop_all_threads): Use scoped_restore_current_thread.
	* inline-frame.c: Include "gdbthread.h".
	(inline_state) <inline_state>: Take a thread pointer instead of a
	ptid_t.  All callers adjusted.
	<ptid>: Delete, replaced by ...
	<thread>: ... this new field.
	(find_inline_frame_state): Take a thread pointer instead of a
	ptid_t.  All callers adjusted.
	(skip_inline_frames, step_into_inline_frame)
	(inline_skipped_frames, inline_skipped_symbol): Take a thread
	pointer instead of a ptid_t.  All callers adjusted.
	* inline-frame.h (skip_inline_frames, step_into_inline_frame)
	(inline_skipped_frames, inline_skipped_symbol): Likewise.
	* linux-fork.c (delete_checkpoint_command): Adjust to use thread
	pointers directly.
	* linux-nat.c (get_detach_signal): Likewise.
	* linux-thread-db.c (thread_from_lwp): New 'stopped' parameter.
	(thread_db_notice_clone): Adjust.
	(thread_db_find_new_threads_silently)
	(thread_db_find_new_threads_2, thread_db_find_new_threads_1): Take
	a thread pointer instead of a ptid_t.  All callers adjusted.
	* mi/mi-cmd-var.c: Include "inferior.h".
	(mi_cmd_var_update_iter): Update to use thread pointers.
	* mi/mi-interp.c (mi_new_thread): Update to use the thread's
	inferior directly.
	(mi_output_running_pid, mi_inferior_count): Delete, bits factored
	out to ...
	(mi_output_running): ... this new function.
	(mi_on_resume_1): Adjust to use it.
	(mi_user_selected_context_changed): Adjust to use inferior_thread.
	* mi/mi-main.c (proceed_thread): Adjust to use thread pointers
	directly.
	(interrupt_thread_callback): : Adjust to use thread and inferior
	pointers.
	* proc-service.c: Include "gdbthread.h".
	(ps_pglobal_lookup): Adjust to use the thread's inferior directly.
	* progspace-and-thread.c: Include "inferior.h".
	* progspace.c: Include "inferior.h".
	* python/py-exitedevent.c (create_exited_event_object): Adjust to
	hold a reference to an inferior_object.
	* python/py-finishbreakpoint.c (bpfinishpy_init): Adjust to use
	inferior_thread.
	* python/py-inferior.c (struct inferior_object): Give the type a
	tag name instead of a typedef.
	(python_on_normal_stop): No need to check if the current thread is
	listed.
	(inferior_to_inferior_object): Change return type to
	inferior_object.  All callers adjusted.
	(find_thread_object): Delete, bits factored out to ...
	(thread_to_thread_object): ... this new function.
	* python/py-infthread.c (create_thread_object): Use
	inferior_to_inferior_object.
	(thpy_is_stopped): Use thread pointer directly.
	(gdbpy_selected_thread): Use inferior_thread.
	* python/py-record-btrace.c (btpy_list_object) <ptid>: Delete
	field, replaced with ...
	<thread>: ... this new field.  All users adjusted.
	(btpy_insn_or_gap_new): Drop const.
	(btpy_list_new): Take a thread pointer instead of a ptid_t.  All
	callers adjusted.
	* python/py-record.c: Include "gdbthread.h".
	(recpy_insn_new, recpy_func_new): Take a thread pointer instead of
	a ptid_t.  All callers adjusted.
	(gdbpy_current_recording): Use inferior_thread.
	* python/py-record.h (recpy_record_object) <ptid>: Delete
	field, replaced with ...
	<thread>: ... this new field.  All users adjusted.
	(recpy_element_object) <ptid>: Delete
	field, replaced with ...
	<thread>: ... this new field.  All users adjusted.
	(recpy_insn_new, recpy_func_new): Take a thread pointer instead of
	a ptid_t.  All callers adjusted.
	* python/py-threadevent.c: Include "gdbthread.h".
	(get_event_thread): Use thread_to_thread_object.
	* python/python-internal.h (struct inferior_object): Forward
	declare.
	(find_thread_object, find_inferior_object): Delete declarations.
	(thread_to_thread_object, inferior_to_inferior_object): New
	declarations.
	* record-btrace.c: Include "inferior.h".
	(require_btrace_thread): Use inferior_thread.
	(record_btrace_frame_sniffer)
	(record_btrace_tailcall_frame_sniffer): Use inferior_thread.
	(get_thread_current_frame): Use scoped_restore_current_thread and
	switch_to_thread.
	(get_thread_current_frame): Use thread pointer directly.
	(record_btrace_replay_at_breakpoint): Use thread's inferior
	pointer directly.
	* record-full.c: Include "inferior.h".
	* regcache.c: Include "gdbthread.h".
	(get_thread_arch_regcache): Use the inferior's address space
	directly.
	(get_thread_regcache, registers_changed_thread): New.
	* regcache.h (get_thread_regcache(thread_info *thread)): New
	overload.
	(registers_changed_thread): New.
	(remote_target) <remote_detach_1>: Swap order of parameters.
	(remote_add_thread): <remote_add_thread>: Return the new thread.
	(get_remote_thread_info(ptid_t)): New overload.
	(remote_target::remote_notice_new_inferior): Use thread pointers
	directly.
	(remote_target::process_initial_stop_replies): Use
	thread_info::set_running.
	(remote_target::remote_detach_1, remote_target::detach)
	(extended_remote_target::detach): Adjust.
	* stack.c (frame_show_address): Use inferior_thread.
	* target-debug.h (target_debug_print_thread_info_pp): New.
	* target-delegates.c: Regenerate.
	* target.c (default_thread_address_space): Delete.
	(memory_xfer_partial_1): Use current_inferior.
	(target_detach): Use current_inferior.
	(target_thread_address_space): Delete.
	(generic_mourn_inferior): Use current_inferior.
	* target.h (struct target_ops) <thread_address_space>: Delete.
	(target_thread_address_space): Delete.
	* thread.c (init_thread_list): Use ALL_THREADS_SAFE.  Use thread
	pointers directly.
	(delete_thread_1, delete_thread, delete_thread_silent): Take a
	thread pointer instead of a ptid_t.  Adjust all callers.
	(ptid_to_global_thread_id, global_thread_id_to_ptid): Delete.
	(first_thread_of_process): Delete, replaced by ...
	(first_thread_of_inferior): ... this new function.  All callers
	adjusted.
	(any_thread_of_process): Rename to ...
	(any_thread_of_inferior): ... this, and take an inferior pointer.
	(any_live_thread_of_process): Rename to ...
	(any_live_thread_of_inferior): ... this, and take an inferior
	pointer.
	(thread_stack_temporaries_enabled_p, push_thread_stack_temporary)
	(value_in_thread_stack_temporaries)
	(get_last_thread_stack_temporary): Take a thread pointer instead
	of a ptid_t.  Adjust all callers.
	(thread_info::set_running): New.
	(validate_registers_access): Use inferior_thread.
	(can_access_registers_ptid): Rename to ...
	(can_access_registers_thread): ... this, and take a thread
	pointer.
	(print_thread_info_1): Adjust to compare thread pointers instead
	of ptids.
	(switch_to_no_thread, switch_to_thread): Make extern.
	(scoped_restore_current_thread::~scoped_restore_current_thread):
	Use m_thread pointer directly.
	(scoped_restore_current_thread::scoped_restore_current_thread):
	Use inferior_thread.
	(thread_command): Use thread pointer directly.
	(thread_num_make_value_helper): Use inferior_thread.
	* top.c (execute_command): Use inferior_thread.
	* tui/tui-interp.c: Include "inferior.h".
	* varobj.c (varobj_create): Use inferior_thread.
	(value_of_root_1): Use find_thread_global_id instead of
	global_thread_id_to_ptid.
2018-06-21 17:09:31 +01:00
Pedro Alves 8b88a78e63 target_stack -> current_top_target() throughout
The recent C++ification of target_ops replaced references to the old
"current_target" squashed target throughout with references to a
"target_stack" pointer.  I had picked the "target_stack" name very
early in the multi-target work, and managed to stick with it, even
though it's a bit of a misnomer, since it isn't really a "target
stack" object, but a pointer into the current top target in the stack.
As I'm splitting more pieces off of the multi-target branch, I've come
to think that it's better to rename it now.  A following patch will
introduce a new class to represent a target stack, and "target_stack"
would be _its_ ideal name.  (In the branch, the class is called
a_target_stack to work around the clash.)

Thus this commit renames target_stack to current_top_target and
replaces all references throughout.  Also, while at it,
current_top_target is made a function instead of a pointer, to make it
possible to change its internal implementation without leaking
implementation details out.  In a couple patches, the implementation
of the function will change to refer to a target stack object, and
then further down the multi-target work, it'll change again to find
the right target stack for the current inferior.

gdb/ChangeLog:
2018-06-07  Pedro Alves  <palves@redhat.com>

	* target.h (target_stack): Delete.
	(current_top_target): Declare function.
	* target.c (target_stack): Delete.
	(g_current_top_target): New.
	(current_top_target): New function.
	* auxv.c: Use current_top_target instead of target_stack
	throughout.
	* avr-tdep.c: Likewise.
	* breakpoint.c: Likewise.
	* corefile.c: Likewise.
	* elfread.c: Likewise.
	* eval.c: Likewise.
	* exceptions.c: Likewise.
	* frame.c: Likewise.
	* gdbarch-selftests.c: Likewise.
	* gnu-v3-abi.c: Likewise.
	* ia64-tdep.c: Likewise.
	* ia64-vms-tdep.c: Likewise.
	* infcall.c: Likewise.
	* infcmd.c: Likewise.
	* infrun.c: Likewise.
	* linespec.c: Likewise.
	* linux-tdep.c: Likewise.
	* minsyms.c: Likewise.
	* ppc-linux-nat.c: Likewise.
	* ppc-linux-tdep.c: Likewise.
	* procfs.c: Likewise.
	* regcache.c: Likewise.
	* remote.c: Likewise.
	* rs6000-tdep.c: Likewise.
	* s390-linux-nat.c: Likewise.
	* s390-tdep.c: Likewise.
	* solib-aix.c: Likewise.
	* solib-darwin.c: Likewise.
	* solib-dsbt.c: Likewise.
	* solib-spu.c: Likewise.
	* solib-svr4.c: Likewise.
	* solib-target.c: Likewise.
	* sparc-tdep.c: Likewise.
	* sparc64-tdep.c: Likewise.
	* spu-tdep.c: Likewise.
	* symfile.c: Likewise.
	* symtab.c: Likewise.
	* target-descriptions.c: Likewise.
	* target-memory.c: Likewise.
	* target.c: Likewise.
	* target.h: Likewise.
	* tracefile-tfile.c: Likewise.
	* tracepoint.c: Likewise.
	* valops.c: Likewise.
	* valprint.c: Likewise.
	* value.c: Likewise.
	* windows-tdep.c: Likewise.
	* mi/mi-main.c: Likewise.
2018-06-07 17:27:46 +01:00
Tom Tromey d525a99be1 Add "name" method to class interp
In a review Pedro pointed out that interp::name is intended to be
read-only, and so an accessor would be a better fit.  This patch
renames the field and adds a "name" method that is used instead.

ChangeLog
2018-05-25  Tom Tromey  <tom@tromey.com>

	* tui/tui.c (tui_enable): Update.
	* mi/mi-interp.c (mi_interp::init): Update.
	* interps.h (class interp) <name>: New method.
	<m_name>: Rename from name.
	(~scoped_restore_interp): Update.
	* interps.c (interp::interp): Update.
	(interp_add, interp_set, interp_lookup_existing)
	(current_interp_named_p): Update.
2018-05-25 12:41:02 -06:00
Tom Tromey da505cff6e Remove interp_name
This removes the interp_name function.  It is only used a few spots --
one of which was only calling it on "this".  It's simpler to remove
it; and should class interp become opaque in the future, it will be
just as easy to update the two remaining spots to use an accessor.

ChangeLog
2018-05-25  Tom Tromey	<tom@tromey.com>

	* interps.c (interp_name): Remove.
	* mi/mi-interp.c (mi_interp::init): Update.
	* interps.h (interp_name): Remove.
	(~scoped_restore_interp): Update.
	* tui/tui.c (tui_enable): Update.
2018-05-25 12:41:01 -06:00
Tom Tromey 29f9434081 Remove interp_ui_out
The function interp_ui_out simply calls the interp_ui_out method.
However, if it is passed a NULL interpreter, it first finds the
current interpreter.  I believe, though, that NULL is never passed
here, and I think it's simpler to just remove this function and
require callers to be more explicit.

ChangeLog
2018-05-25  Tom Tromey	<tom@tromey.com>

	* utils.c (fputs_maybe_filtered): Update.
	* linespec.c (decode_line_full): Update.
	* mi/mi-interp.c (mi_on_normal_stop_1, mi_tsv_modified)
	(mi_print_breakpoint_for_event, mi_solib_loaded)
	(mi_solib_unloaded, mi_command_param_changed, mi_memory_changed)
	(mi_user_selected_context_changed): Update.
	* mi/mi-main.c (mi_execute_command): Update.
	* cli/cli-script.c (execute_control_command): Update.
	* python/python.c (execute_gdb_command): Update.
	* solib.c (info_sharedlibrary_command): Update.
	* interps.c (interp_ui_out): Remove.
	* interps.h (interp_ui_out): Remove.
2018-05-25 12:41:01 -06:00
Tom Tromey 716b8bc52e Change the as_*_interp functions to use dynamic_cast
This changes the various as_*_interp functions to be implemented using
dynamic_cast.  I believe this is a small improvement, because it is
more typesafe -- the C++ runtime does the type-checking for us.

ChangeLog
2018-05-25  Tom Tromey  <tom@tromey.com>

	* tui/tui-interp.c (as_tui_interp): Use dynamic_cast.
	* mi/mi-interp.c (as_mi_interp): Use dynamic_cast.
	* cli/cli-interp.c (as_cli_interp): Use dynamic_cast.
2018-05-25 12:41:00 -06:00
Tom Tromey bc18fbb575 Change ada_catchpoint::excep_string to be a std::string
This changes ada_catchpoint::excep_string to be a std::string and then
fixes up all t he users.

This found a memory leak in catch_ada_exception_command_split, where
"cond" was copied but never freed.

I changed the type of the "cond_string" argument to
catch_ada_exception_command_split to follow the rule that out
parameters should be pointers and not references.

This patch enables the removal of some cleanups and also the function
ada_get_next_arg.

ChangeLog
2018-05-21  Tom Tromey  <tom@tromey.com>

	* mi/mi-cmd-catch.c (mi_cmd_catch_assert)
	(mi_cmd_catch_exception, mi_cmd_catch_handlers): Update.
	* ada-lang.h (create_ada_exception_catchpoint): Update.
	* ada-lang.c (struct ada_catchpoint) <excep_string>: Now a
	std::string.
	(create_excep_cond_exprs, ~ada_catchpoint)
	(should_stop_exception, print_one_exception)
	(print_mention_exception, print_recreate_exception): Update.
	(ada_get_next_arg): Remove.
	(catch_ada_exception_command_split): Use std::string.  Change type
	of "excep_string", "cond_string".
	(catch_ada_exception_command): Update.
	(create_ada_exception_catchpoint): Change type of excep_string.
	(ada_exception_sal): Remove excep_string parameter.
	(~ada_catchpoint): Remove.
2018-05-21 10:01:15 -06:00
Tom Tromey 15c9ffd697 Add missing "breaks"
This adds a "break" to a couple of spots where it was erroneously
omitted.  I think these are the two (potential) real bugs caught by
this series.

2018-05-04  Tom Tromey  <tom@tromey.com>

	* mi/mi-main.c (mi_cmd_trace_frame_collected) <REGISTERS_FORMAT>:
	Add missing "break".
	* mi/mi-cmd-stack.c (mi_cmd_stack_list_locals) <NO_FRAME_FILTERS>:
	Add missing "break".
2018-05-04 22:04:46 -06:00
Tom Tromey 60b3cef2e4 Use function_view in cli-script.c
This changes some functions in cli-script.c to use function_view
rather than a function pointer and closure argument.  This simplifies
the code a bit and is useful in a subsequent patch.

ChangeLog
2018-05-04  Tom Tromey  <tom@tromey.com>

	* tracepoint.c (actions_command): Update.
	* mi/mi-cmd-break.c (mi_command_line_array)
	(mi_command_line_array_cnt, mi_command_line_array_ptr)
	(mi_read_next_line): Remove.
	(mi_cmd_break_commands): Update.
	* cli/cli-script.h (read_command_lines, read_command_lines_1): Use
	function_view.
	* cli/cli-script.c (get_command_line): Update.
	(process_next_line): Use function_view.  Constify.
	(recurse_read_control_structure, read_command_lines)
	(read_command_lines_1): Change argument types to function_view.
	(do_define_command, document_command): Update.
	* breakpoint.h (check_tracepoint_command): Don't declare.
	* breakpoint.c (check_tracepoint_command): Remove.
	(commands_command_1, create_tracepoint_from_upload): Update.
2018-05-04 15:58:08 -06:00
Tom Tromey 12973681f5 Use counted_command_line everywhere
Currently command lines are reference counted using shared_ptr only
when attached to breakpoints.  This patch changes gdb to use
shared_ptr in commands as well.  This allows for the removal of
copy_command_lines.

Note that the change to execute_user_command explicitly makes a new
reference to the command line.  This will be used in a later patch.

This simplifies struct command_line based on the observation that a
given command can have at most two child bodies: an "if" can have both
"then" and "else" parts.  Perhaps the names I've chosen for the
replacements here are not very good -- your input requested.

ChangeLog
2018-05-04  Tom Tromey  <tom@tromey.com>

	* tracepoint.c (all_tracepoint_actions): Rename from
	all_tracepoint_actions_and_cleanup.  Change return type.
	(actions_command, encode_actions_1, encode_actions)
	(trace_dump_actions, tdump_command): Update.
	* remote.c (remote_download_command_source): Update.
	* python/python.c (gdbpy_eval_from_control_command)
	(python_command, python_interactive_command): Update.
	* mi/mi-cmd-break.c (mi_cmd_break_commands): Update.
	* guile/guile.c (guile_command)
	(gdbscm_eval_from_control_command, guile_command): Update.
	* compile/compile.c (compile_code_command)
	(compile_print_command, compile_to_object): Update.
	* cli/cli-script.h (struct command_lines_deleter): New.
	(counted_command_line): New typedef.
	(struct command_line): Add constructor, destructor.
	<body_list>: Remove.
	<body_list_0, body_list_1>: New members.
	(command_line_up): Remove typedef.
	(read_command_lines, read_command_lines_1, get_command_line):
	Update.
	(copy_command_lines): Don't declare.
	* cli/cli-script.c (build_command_line): Use "new".
	(get_command_line): Return counted_command_line.
	(print_command_lines, execute_user_command)
	(execute_control_command_1, while_command, if_command): Update.
	(realloc_body_list): Remove.
	(process_next_line, recurse_read_control_structure): Update.
	(read_command_lines, read_command_lines_1): Return counted_command_line.
	(free_command_lines): Use "delete".
	(copy_command_lines): Remove.
	(define_command, document_command, show_user_1): Update.
	* cli/cli-decode.h (struct cmd_list_element) <user_commands>: Now
	a counted_command_line.
	* breakpoint.h (counted_command_line): Remove typedef.
	(breakpoint_set_commands): Update.
	* breakpoint.c (check_no_tracepoint_commands)
	(validate_commands_for_breakpoint): Update.
	(breakpoint_set_commands): Change commands to be a
	counted_command_line.
	(commands_command_1, update_dprintf_command_list)
	(create_tracepoint_from_upload): Update.
2018-05-04 15:58:06 -06:00
Pedro Alves f6ac5f3d63 Convert struct target_ops to C++
I.e., use C++ virtual methods and inheritance instead of tables of
function pointers.

Unfortunately, there's no way to do a smooth transition.  ALL native
targets in the tree must be converted at the same time.  I've tested
all I could with cross compilers and with help from GCC compile farm,
but naturally I haven't been able to test many of the ports.  Still, I
made a best effort to port everything over, and while I expect some
build problems due to typos and such, which should be trivial to fix,
I don't expect any design problems.

* Implementation notes:

- The flattened current_target is gone.  References to current_target
  or current_target.beneath are replaced with references to
  target_stack (the top of the stack) directly.

- To keep "set debug target" working, this adds a new debug_stratum
  layer that sits on top of the stack, prints the debug, and delegates
  to the target beneath.

  In addition, this makes the shortname and longname properties of
  target_ops be virtual methods instead of data fields, and makes the
  debug target defer those to the target beneath.  This is so that
  debug code sprinkled around that does "if (debugtarget) ..."  can
  transparently print the name of the target beneath.

  A patch later in the series actually splits out the
  shortname/longname methods to a separate structure, but I preferred
  to keep that chance separate as it is associated with changing a bit
  the design of how targets are registered and open.

- Since you can't check whether a C++ virtual method is overridden,
  the old method of checking whether a target_ops implements a method
  by comparing the function pointer must be replaced with something
  else.

  Some cases are fixed by adding a parallel "can_do_foo" target_ops
  methods.  E.g.,:

    +  for (t = target_stack; t != NULL; t = t->beneath)
	 {
    -      if (t->to_create_inferior != NULL)
    +      if (t->can_create_inferior ())
	    break;
	 }

  Others are fixed by changing void return type to bool or int return
  type, and have the default implementation return false or -1, to
  indicate lack of support.

- make-target-delegates was adjusted to generate C++ classes and
  methods.

  It needed tweaks to grok "virtual" in front of the target method
  name, and for the fact that methods are no longer function pointers.
  (In particular, the current code parsing the return type was simple
  because it could simply parse up until the '(' in '(*to_foo)'.

  It now generates a couple C++ classes that inherit target_ops:
  dummy_target and debug_target.

  Since we need to generate the class declarations as well, i.e., we
  need to emit methods twice, we now generate the code in two passes.

- The core_target global is renamed to avoid conflict with the
  "core_target" class.

- ctf/tfile targets

  init_tracefile_ops is replaced by a base class that is inherited by
  both ctf and tfile.

- bsd-uthread

  The bsd_uthread_ops_hack hack is gone.  It's not needed because
  nothing was extending a target created by bsd_uthread_target.

- remote/extended-remote targets

  This is a first pass, just enough to C++ify target_ops.

  A later pass will convert more free functions to methods, and make
  remote_state be truly per remote instance, allowing multiple
  simultaneous instances of remote targets.

- inf-child/"native" is converted to an actual base class
  (inf_child_target), that is inherited by all native targets.

- GNU/Linux

  The old weird double-target linux_ops mechanism in linux-nat.c, is
  gone, replaced by adding a few virtual methods to linux-nat.h's
  target_ops, called low_XXX, that the concrete linux-nat
  implementations override.  Sort of like gdbserver's
  linux_target_ops, but simpler, for requiring only one
  target_ops-like hierarchy, which spares implementing the same method
  twice when we need to forward the method to a low implementation.
  The low target simply reimplements the target_ops method directly in
  that case.

  There are a few remaining linux-nat.c hooks that would be better
  converted to low_ methods like above too.  E.g.:

   linux_nat_set_new_thread (t, x86_linux_new_thread);
   linux_nat_set_new_fork (t, x86_linux_new_fork);
   linux_nat_set_forget_process

  That'll be done in a follow up patch.

- We can no longer use functions like x86_use_watchpoints to install
  custom methods on an arbitrary base target.

  The patch replaces instances of such a pattern with template mixins.
  For example memory_breakpoint_target defined in target.h, or
  x86_nat_target in x86-nat.h.

- linux_trad_target, MIPS and Alpha GNU/Linux

  The code in the new linux-nat-trad.h/c files which was split off of
  inf-ptrace.h/c recently, is converted to a C++ base class, and used
  by the MIPS and Alpha GNU/Linux ports.

- BSD targets

  The

    $architecture x NetBSD/OpenBSD/FreeBSD

  support matrix complicates things a bit.  There's common BSD target
  code, and there's common architecture-specific code shared between
  the different BSDs.  Currently, all that is stiched together to form
  a final target, via the i386bsd_target, x86bsd_target,
  fbsd_nat_add_target functions etc.

  This introduces new fbsd_nat_target, obsd_nat_target and
  nbsd_nat_target classes that serve as base/prototype target for the
  corresponding BSD variant.

  And introduces generic i386/AMD64 BSD targets, to be used as
  template mixin to build a final target.  Similarly, a generic SPARC
  target is added, used by both BSD and Linux ports.

- bsd_kvm_add_target, BSD libkvm target

  I considered making bsd_kvm_supply_pcb a virtual method, and then
  have each port inherit bsd_kvm_target and override that method, but
  that was resulting in lots of unjustified churn, so I left the
  function pointer mechanism alone.

gdb/ChangeLog:
2018-05-02  Pedro Alves  <palves@redhat.com>
	    John Baldwin  <jhb@freebsd.org>

	* target.h (enum strata) <debug_stratum>: New.
	(struct target_ops) <all delegation methods>: Replace by C++
	virtual methods, and drop "to_" prefix.  All references updated
	throughout.
	<to_shortname, to_longname, to_doc, to_data,
	to_have_steppable_watchpoint, to_have_continuable_watchpoint,
	to_has_thread_control, to_attach_no_wait>: Delete, replaced by
	virtual methods.  All references updated throughout.
	<can_attach, supports_terminal_ours, can_create_inferior,
	get_thread_control_capabilities, attach_no_wait>: New
	virtual methods.
	<insert_breakpoint, remove_breakpoint>: Now
	TARGET_DEFAULT_NORETURN methods.
	<info_proc>: Now returns bool.
	<to_magic>: Delete.
	(OPS_MAGIC): Delete.
	(current_target): Delete.  All references replaced by references
	to ...
	(target_stack): ... this.  New.
	(target_shortname, target_longname): Adjust.
	(target_can_run): Now a function declaration.
	(default_child_has_all_memory, default_child_has_memory)
	(default_child_has_stack, default_child_has_registers)
	(default_child_has_execution): Remove target_ops parameter.
	(complete_target_initialization): Delete.
	(memory_breakpoint_target): New template class.
	(test_target_ops): Refactor as a C++ class with virtual methods.
	* make-target-delegates (NAME_PART): Tighten.
	(POINTER_PART, CP_SYMBOL): New.
	(SIMPLE_RETURN_PART): Reimplement.
	(VEC_RETURN_PART): Expect less.
	(RETURN_PART, VIRTUAL_PART): New.
	(METHOD): Adjust to C++ virtual methods.
	(scan_target_h): Remove reference to C99.
	(dname): Output "target_ops::" prefix.
	(write_function_header): Adjust to output a C++ class method.
	(write_declaration): New.
	(write_delegator): Adjust to output a C++ class method.
	(tdname): Output "dummy_target::" prefix.
	(write_tdefault, write_debugmethod): Adjust to output a C++ class
	method.
	(tdefault_names, debug_names): Delete.
	(return_types, tdefaults, styles, argtypes_array): New.
	(top level): All methods are delegators.
	(print_class): New.
	(top level): Print dummy_target and debug_target classes.
	* target-delegates.c: Regenerate.
	* target-debug.h (target_debug_print_enum_info_proc_what)
	(target_debug_print_thread_control_capabilities)
	(target_debug_print_thread_info_p): New.
	* target.c (dummy_target): Delete.
	(the_dummy_target, the_debug_target): New.
	(target_stack): Now extern.
	(set_targetdebug): Push/unpush debug target.
	(default_child_has_all_memory, default_child_has_memory)
	(default_child_has_stack, default_child_has_registers)
	(default_child_has_execution): Remove target_ops parameter.
	(complete_target_initialization): Delete.
	(add_target_with_completer): No longer call
	complete_target_initialization.
	(target_supports_terminal_ours): Use regular delegation.
	(update_current_target): Delete.
	(push_target): No longer check magic number.  Don't call
	update_current_target.
	(unpush_target): Don't call update_current_target.
	(target_is_pushed): No longer check magic number.
	(target_require_runnable): Skip for all stratums over
	process_stratum.
	(target_ops::info_proc): New.
	(target_info_proc): Use find_target_at and
	find_default_run_target.
	(target_supports_disable_randomization): Use regular delegation.
	(target_get_osdata): Use find_target_at.
	(target_ops::open, target_ops::close, target_ops::can_attach)
	(target_ops::attach, target_ops::can_create_inferior)
	(target_ops::create_inferior, target_ops::can_run)
	(target_can_run): New.
	(default_fileio_target): Use regular delegation.
	(target_ops::fileio_open, target_ops::fileio_pwrite)
	(target_ops::fileio_pread, target_ops::fileio_fstat)
	(target_ops::fileio_close, target_ops::fileio_unlink)
	(target_ops::fileio_readlink): New.
	(target_fileio_open_1, target_fileio_unlink)
	(target_fileio_readlink): Always call the target method.  Handle
	FILEIO_ENOSYS.
	(return_zero, return_zero_has_execution): Delete.
	(init_dummy_target): Delete.
	(dummy_target::dummy_target, dummy_target::shortname)
	(dummy_target::longname, dummy_target::doc)
	(debug_target::debug_target, debug_target::shortname)
	(debug_target::longname, debug_target::doc): New.
	(target_supports_delete_record): Use regular delegation.
	(setup_target_debug): Delete.
	(maintenance_print_target_stack): Skip debug_stratum.
	(initialize_targets): Instantiate the_dummy_target and
	the_debug_target.
	* auxv.c (target_auxv_parse): Remove 'ops' parameter.  Adjust to
	use target_stack.
	(target_auxv_search, fprint_target_auxv): Adjust.
	(info_auxv_command): Adjust to use target_stack.
	* auxv.h (target_auxv_parse): Remove 'ops' parameter.
	* exceptions.c (print_flush): Handle a NULL target_stack.
	* regcache.c (target_ops_no_register): Refactor as class with
	virtual methods.

	* exec.c (exec_target): New class.
	(exec_ops): Now an exec_target.
	(exec_open, exec_close_1, exec_get_section_table)
	(exec_xfer_partial, exec_files_info, exec_has_memory)
	(exec_make_note_section): Refactor as exec_target methods.
	(exec_file_clear, ignore, exec_remove_breakpoint, init_exec_ops):
	Delete.
	(exec_target::find_memory_regions): New.
	(_initialize_exec): Don't call init_exec_ops.
	* gdbcore.h (exec_file_clear): Delete.

	* corefile.c (core_target): Delete.
	(core_file_command): Adjust.
	* corelow.c (core_target): New class.
	(the_core_target): New.
	(core_close): Remove target_ops parameter.
	(core_close_cleanup): Adjust.
	(core_target::close): New.
	(core_open, core_detach, get_core_registers, core_files_info)
	(core_xfer_partial, core_thread_alive, core_read_description)
	(core_pid_to_str, core_thread_name, core_has_memory)
	(core_has_stack, core_has_registers, core_info_proc): Rework as
	core_target methods.
	(ignore, core_remove_breakpoint, init_core_ops): Delete.
	(_initialize_corelow): Initialize the_core_target.
	* gdbcore.h (core_target): Delete.
	(the_core_target): New.

	* ctf.c: (ctf_target): New class.
	(ctf_ops): Now a ctf_target.
	(ctf_open, ctf_close, ctf_files_info, ctf_fetch_registers)
	(ctf_xfer_partial, ctf_get_trace_state_variable_value)
	(ctf_trace_find, ctf_traceframe_info): Refactor as ctf_target
	methods.
	(init_ctf_ops): Delete.
	(_initialize_ctf): Don't call it.
	* tracefile-tfile.c (tfile_target): New class.
	(tfile_ops): Now a tfile_target.
	(tfile_open, tfile_close, tfile_files_info)
	(tfile_get_tracepoint_status, tfile_trace_find)
	(tfile_fetch_registers, tfile_xfer_partial)
	(tfile_get_trace_state_variable_value, tfile_traceframe_info):
	Refactor as tfile_target methods.
	(tfile_xfer_partial_features): Remove target_ops parameter.
	(init_tfile_ops): Delete.
	(_initialize_tracefile_tfile): Don't call it.
	* tracefile.c (tracefile_has_all_memory, tracefile_has_memory)
	(tracefile_has_stack, tracefile_has_registers)
	(tracefile_thread_alive, tracefile_get_trace_status): Refactor as
	tracefile_target methods.
	(init_tracefile_ops): Delete.
	(tracefile_target::tracefile_target): New.
	* tracefile.h: Include "target.h".
	(tracefile_target): New class.
	(init_tracefile_ops): Delete.

	* spu-multiarch.c (spu_multiarch_target): New class.
	(spu_ops): Now a spu_multiarch_target.
	(spu_thread_architecture, spu_region_ok_for_hw_watchpoint)
	(spu_fetch_registers, spu_store_registers, spu_xfer_partial)
	(spu_search_memory, spu_mourn_inferior): Refactor as
	spu_multiarch_target methods.
	(init_spu_ops): Delete.
	(_initialize_spu_multiarch): Remove references to init_spu_ops,
	complete_target_initialization.

	* ravenscar-thread.c (ravenscar_thread_target): New class.
	(ravenscar_ops): Now a ravenscar_thread_target.
	(ravenscar_resume, ravenscar_wait, ravenscar_update_thread_list)
	(ravenscar_thread_alive, ravenscar_pid_to_str)
	(ravenscar_fetch_registers, ravenscar_store_registers)
	(ravenscar_prepare_to_store, ravenscar_stopped_by_sw_breakpoint)
	(ravenscar_stopped_by_hw_breakpoint)
	(ravenscar_stopped_by_watchpoint, ravenscar_stopped_data_address)
	(ravenscar_mourn_inferior, ravenscar_core_of_thread)
	(ravenscar_get_ada_task_ptid): Refactor as ravenscar_thread_target
	methods.
	(init_ravenscar_thread_ops): Delete.
	(_initialize_ravenscar): Remove references to
	init_ravenscar_thread_ops and complete_target_initialization.

	* bsd-uthread.c (bsd_uthread_ops_hack): Delete.
	(bsd_uthread_target): New class.
	(bsd_uthread_ops): Now a bsd_uthread_target.
	(bsd_uthread_activate): Adjust to refer to bsd_uthread_ops.
	(bsd_uthread_close, bsd_uthread_mourn_inferior)
	(bsd_uthread_fetch_registers, bsd_uthread_store_registers)
	(bsd_uthread_wait, bsd_uthread_resume, bsd_uthread_thread_alive)
	(bsd_uthread_update_thread_list, bsd_uthread_extra_thread_info)
	(bsd_uthread_pid_to_str): Refactor as bsd_uthread_target methods.
	(bsd_uthread_target): Delete function.
	(_initialize_bsd_uthread): Remove reference to
	complete_target_initialization.

	* bfd-target.c (target_bfd_data): Delete.  Fields folded into ...
	(target_bfd): ... this new class.
	(target_bfd_xfer_partial, target_bfd_get_section_table)
	(target_bfd_close): Refactor as target_bfd methods.
	(target_bfd::~target_bfd): New.
	(target_bfd_reopen): Adjust.
	(target_bfd::close): New.

	* record-btrace.c (record_btrace_target): New class.
	(record_btrace_ops): Now a record_btrace_target.
	(record_btrace_open, record_btrace_stop_recording)
	(record_btrace_disconnect, record_btrace_close)
	(record_btrace_async, record_btrace_info)
	(record_btrace_insn_history, record_btrace_insn_history_range)
	(record_btrace_insn_history_from, record_btrace_call_history)
	(record_btrace_call_history_range)
	(record_btrace_call_history_from, record_btrace_record_method)
	(record_btrace_is_replaying, record_btrace_will_replay)
	(record_btrace_xfer_partial, record_btrace_insert_breakpoint)
	(record_btrace_remove_breakpoint, record_btrace_fetch_registers)
	(record_btrace_store_registers, record_btrace_prepare_to_store)
	(record_btrace_to_get_unwinder)
	(record_btrace_to_get_tailcall_unwinder, record_btrace_resume)
	(record_btrace_commit_resume, record_btrace_wait)
	(record_btrace_stop, record_btrace_can_execute_reverse)
	(record_btrace_stopped_by_sw_breakpoint)
	(record_btrace_supports_stopped_by_sw_breakpoint)
	(record_btrace_stopped_by_hw_breakpoint)
	(record_btrace_supports_stopped_by_hw_breakpoint)
	(record_btrace_update_thread_list, record_btrace_thread_alive)
	(record_btrace_goto_begin, record_btrace_goto_end)
	(record_btrace_goto, record_btrace_stop_replaying_all)
	(record_btrace_execution_direction)
	(record_btrace_prepare_to_generate_core)
	(record_btrace_done_generating_core): Refactor as
	record_btrace_target methods.
	(init_record_btrace_ops): Delete.
	(_initialize_record_btrace): Remove reference to
	init_record_btrace_ops.
	* record-full.c (RECORD_FULL_IS_REPLAY): Adjust to always refer to
	the execution_direction global.
	(record_full_base_target, record_full_target)
	(record_full_core_target): New classes.
	(record_full_ops): Now a record_full_target.
	(record_full_core_ops): Now a record_full_core_target.
	(record_full_target::detach, record_full_target::disconnect)
	(record_full_core_target::disconnect)
	(record_full_target::mourn_inferior, record_full_target::kill):
	New.
	(record_full_open, record_full_close, record_full_async): Refactor
	as methods of the record_full_base_target class.
	(record_full_resume, record_full_commit_resume): Refactor
	as methods of the record_full_target class.
	(record_full_wait, record_full_stopped_by_watchpoint)
	(record_full_stopped_data_address)
	(record_full_stopped_by_sw_breakpoint)
	(record_full_supports_stopped_by_sw_breakpoint)
	(record_full_stopped_by_hw_breakpoint)
	(record_full_supports_stopped_by_hw_breakpoint): Refactor as
	methods of the record_full_base_target class.
	(record_full_store_registers, record_full_xfer_partial)
	(record_full_insert_breakpoint, record_full_remove_breakpoint):
	Refactor as methods of the record_full_target class.
	(record_full_can_execute_reverse, record_full_get_bookmark)
	(record_full_goto_bookmark, record_full_execution_direction)
	(record_full_record_method, record_full_info, record_full_delete)
	(record_full_is_replaying, record_full_will_replay)
	(record_full_goto_begin, record_full_goto_end, record_full_goto)
	(record_full_stop_replaying): Refactor as methods of the
	record_full_base_target class.
	(record_full_core_resume, record_full_core_kill)
	(record_full_core_fetch_registers)
	(record_full_core_prepare_to_store)
	(record_full_core_store_registers, record_full_core_xfer_partial)
	(record_full_core_insert_breakpoint)
	(record_full_core_remove_breakpoint)
	(record_full_core_has_execution): Refactor
	as methods of the record_full_core_target class.
	(record_full_base_target::supports_delete_record): New.
	(init_record_full_ops): Delete.
	(init_record_full_core_ops): Delete.
	(record_full_save): Refactor as method of the
	record_full_base_target class.
	(_initialize_record_full): Remove references to
	init_record_full_ops and init_record_full_core_ops.

	* remote.c (remote_target, extended_remote_target): New classes.
	(remote_ops): Now a remote_target.
	(extended_remote_ops): Now an extended_remote_target.
	(remote_insert_fork_catchpoint, remote_remove_fork_catchpoint)
	(remote_insert_vfork_catchpoint, remote_remove_vfork_catchpoint)
	(remote_insert_exec_catchpoint, remote_remove_exec_catchpoint)
	(remote_pass_signals, remote_set_syscall_catchpoint)
	(remote_program_signals, )
	(remote_thread_always_alive): Remove target_ops parameter.
	(remote_thread_alive, remote_thread_name)
	(remote_update_thread_list, remote_threads_extra_info)
	(remote_static_tracepoint_marker_at)
	(remote_static_tracepoint_markers_by_strid)
	(remote_get_ada_task_ptid, remote_close, remote_start_remote)
	(remote_open): Refactor as methods of remote_target.
	(extended_remote_open, extended_remote_detach)
	(extended_remote_attach, extended_remote_post_attach):
	(extended_remote_supports_disable_randomization)
	(extended_remote_create_inferior): : Refactor as method of
	extended_remote_target.
	(remote_set_permissions, remote_open_1, remote_detach)
	(remote_follow_fork, remote_follow_exec, remote_disconnect)
	(remote_resume, remote_commit_resume, remote_stop)
	(remote_interrupt, remote_pass_ctrlc, remote_terminal_inferior)
	(remote_terminal_ours, remote_wait, remote_fetch_registers)
	(remote_prepare_to_store, remote_store_registers)
	(remote_flash_erase, remote_flash_done, remote_files_info)
	(remote_kill, remote_mourn, remote_insert_breakpoint)
	(remote_remove_breakpoint, remote_insert_watchpoint)
	(remote_watchpoint_addr_within_range)
	(remote_remove_watchpoint, remote_region_ok_for_hw_watchpoint)
	(remote_check_watch_resources, remote_stopped_by_sw_breakpoint)
	(remote_supports_stopped_by_sw_breakpoint)
	(remote_stopped_by_hw_breakpoint)
	(remote_supports_stopped_by_hw_breakpoint)
	(remote_stopped_by_watchpoint, remote_stopped_data_address)
	(remote_insert_hw_breakpoint, remote_remove_hw_breakpoint)
	(remote_verify_memory): Refactor as methods of remote_target.
	(remote_write_qxfer, remote_read_qxfer): Remove target_ops
	parameter.
	(remote_xfer_partial, remote_get_memory_xfer_limit)
	(remote_search_memory, remote_rcmd, remote_memory_map)
	(remote_pid_to_str, remote_get_thread_local_address)
	(remote_get_tib_address, remote_read_description): Refactor as
	methods of remote_target.
	(remote_target::fileio_open, remote_target::fileio_pwrite)
	(remote_target::fileio_pread, remote_target::fileio_close): New.
	(remote_hostio_readlink, remote_hostio_fstat)
	(remote_filesystem_is_local, remote_can_execute_reverse)
	(remote_supports_non_stop, remote_supports_disable_randomization)
	(remote_supports_multi_process, remote_supports_cond_breakpoints)
	(remote_supports_enable_disable_tracepoint)
	(remote_supports_string_tracing)
	(remote_can_run_breakpoint_commands, remote_trace_init)
	(remote_download_tracepoint, remote_can_download_tracepoint)
	(remote_download_trace_state_variable, remote_enable_tracepoint)
	(remote_disable_tracepoint, remote_trace_set_readonly_regions)
	(remote_trace_start, remote_get_trace_status)
	(remote_get_tracepoint_status, remote_trace_stop)
	(remote_trace_find, remote_get_trace_state_variable_value)
	(remote_save_trace_data, remote_get_raw_trace_data)
	(remote_set_disconnected_tracing, remote_core_of_thread)
	(remote_set_circular_trace_buffer, remote_traceframe_info)
	(remote_get_min_fast_tracepoint_insn_len)
	(remote_set_trace_buffer_size, remote_set_trace_notes)
	(remote_use_agent, remote_can_use_agent, remote_enable_btrace)
	(remote_disable_btrace, remote_teardown_btrace)
	(remote_read_btrace, remote_btrace_conf)
	(remote_augmented_libraries_svr4_read, remote_load)
	(remote_pid_to_exec_file, remote_can_do_single_step)
	(remote_execution_direction, remote_thread_handle_to_thread_info):
	Refactor as methods of remote_target.
	(init_remote_ops, init_extended_remote_ops): Delete.
	(remote_can_async_p, remote_is_async_p, remote_async)
	(remote_thread_events, remote_upload_tracepoints)
	(remote_upload_trace_state_variables): Refactor as methods of
	remote_target.
	(_initialize_remote): Remove references to init_remote_ops and
	init_extended_remote_ops.

	* remote-sim.c (gdbsim_target): New class.
	(gdbsim_fetch_register, gdbsim_store_register, gdbsim_kill)
	(gdbsim_load, gdbsim_create_inferior, gdbsim_open, gdbsim_close)
	(gdbsim_detach, gdbsim_resume, gdbsim_interrupt)
	(gdbsim_wait, gdbsim_prepare_to_store, gdbsim_xfer_partial)
	(gdbsim_files_info, gdbsim_mourn_inferior, gdbsim_thread_alive)
	(gdbsim_pid_to_str, gdbsim_has_all_memory, gdbsim_has_memory):
	Refactor as methods of gdbsim_target.
	(gdbsim_ops): Now a gdbsim_target.
	(init_gdbsim_ops): Delete.
	(gdbsim_cntrl_c): Adjust.
	(_initialize_remote_sim): Remove reference to init_gdbsim_ops.

	* amd64-linux-nat.c (amd64_linux_nat_target): New class.
	(the_amd64_linux_nat_target): New.
	(amd64_linux_fetch_inferior_registers)
	(amd64_linux_store_inferior_registers): Refactor as methods of
	amd64_linux_nat_target.
	(_initialize_amd64_linux_nat): Adjust.  Set linux_target.
	* i386-linux-nat.c: Don't include "linux-nat.h".
	(i386_linux_nat_target): New class.
	(the_i386_linux_nat_target): New.
	(i386_linux_fetch_inferior_registers)
	(i386_linux_store_inferior_registers, i386_linux_resume): Refactor
	as methods of i386_linux_nat_target.
	(_initialize_i386_linux_nat): Adjust.  Set linux_target.
	* inf-child.c (inf_child_ops): Delete.
	(inf_child_fetch_inferior_registers)
	(inf_child_store_inferior_registers): Delete.
	(inf_child_post_attach, inf_child_prepare_to_store): Refactor as
	methods of inf_child_target.
	(inf_child_target::supports_terminal_ours)
	(inf_child_target::terminal_init)
	(inf_child_target::terminal_inferior)
	(inf_child_target::terminal_ours_for_output)
	(inf_child_target::terminal_ours, inf_child_target::interrupt)
	(inf_child_target::pass_ctrlc, inf_child_target::terminal_info):
	New.
	(inf_child_open, inf_child_disconnect, inf_child_close)
	(inf_child_mourn_inferior, inf_child_maybe_unpush_target)
	(inf_child_post_startup_inferior, inf_child_can_run)
	(inf_child_pid_to_exec_file): Refactor as methods of
	inf_child_target.
	(inf_child_follow_fork): Delete.
	(inf_child_target::can_create_inferior)
	(inf_child_target::can_attach): New.
	(inf_child_target::has_all_memory, inf_child_target::has_memory)
	(inf_child_target::has_stack, inf_child_target::has_registers)
	(inf_child_target::has_execution): New.
	(inf_child_fileio_open, inf_child_fileio_pwrite)
	(inf_child_fileio_pread, inf_child_fileio_fstat)
	(inf_child_fileio_close, inf_child_fileio_unlink)
	(inf_child_fileio_readlink, inf_child_use_agent)
	(inf_child_can_use_agent): Refactor as methods of
	inf_child_target.
	(return_zero, inf_child_target): Delete.
	(inf_child_target::inf_child_target): New.
	* inf-child.h: Include "target.h".
	(inf_child_target): Delete function prototype.
	(inf_child_target): New class.
	(inf_child_open_target, inf_child_mourn_inferior)
	(inf_child_maybe_unpush_target): Delete.
	* inf-ptrace.c (inf_ptrace_target::~inf_ptrace_target): New.
	(inf_ptrace_follow_fork, inf_ptrace_insert_fork_catchpoint)
	(inf_ptrace_remove_fork_catchpoint, inf_ptrace_create_inferior)
	(inf_ptrace_post_startup_inferior, inf_ptrace_mourn_inferior)
	(inf_ptrace_attach, inf_ptrace_post_attach, inf_ptrace_detach)
	(inf_ptrace_detach_success, inf_ptrace_kill, inf_ptrace_resume)
	(inf_ptrace_wait, inf_ptrace_xfer_partial)
	(inf_ptrace_thread_alive, inf_ptrace_files_info)
	(inf_ptrace_pid_to_str, inf_ptrace_auxv_parse): Refactor as
	methods of inf_ptrace_target.
	(inf_ptrace_target): Delete function.
	* inf-ptrace.h: Include "inf-child.h".
	(inf_ptrace_target): Delete function declaration.
	(inf_ptrace_target): New class.
	(inf_ptrace_trad_target, inf_ptrace_detach_success): Delete.
	* linux-nat.c (linux_target): New.
	(linux_ops, linux_ops_saved, super_xfer_partial): Delete.
	(linux_nat_target::~linux_nat_target): New.
	(linux_child_post_attach, linux_child_post_startup_inferior)
	(linux_child_follow_fork, linux_child_insert_fork_catchpoint)
	(linux_child_remove_fork_catchpoint)
	(linux_child_insert_vfork_catchpoint)
	(linux_child_remove_vfork_catchpoint)
	(linux_child_insert_exec_catchpoint)
	(linux_child_remove_exec_catchpoint)
	(linux_child_set_syscall_catchpoint, linux_nat_pass_signals)
	(linux_nat_create_inferior, linux_nat_attach, linux_nat_detach)
	(linux_nat_resume, linux_nat_stopped_by_watchpoint)
	(linux_nat_stopped_data_address)
	(linux_nat_stopped_by_sw_breakpoint)
	(linux_nat_supports_stopped_by_sw_breakpoint)
	(linux_nat_stopped_by_hw_breakpoint)
	(linux_nat_supports_stopped_by_hw_breakpoint, linux_nat_wait)
	(linux_nat_kill, linux_nat_mourn_inferior)
	(linux_nat_xfer_partial, linux_nat_thread_alive)
	(linux_nat_update_thread_list, linux_nat_pid_to_str)
	(linux_nat_thread_name, linux_child_pid_to_exec_file)
	(linux_child_static_tracepoint_markers_by_strid)
	(linux_nat_is_async_p, linux_nat_can_async_p)
	(linux_nat_supports_non_stop, linux_nat_always_non_stop_p)
	(linux_nat_supports_multi_process)
	(linux_nat_supports_disable_randomization, linux_nat_async)
	(linux_nat_stop, linux_nat_close, linux_nat_thread_address_space)
	(linux_nat_core_of_thread, linux_nat_filesystem_is_local)
	(linux_nat_fileio_open, linux_nat_fileio_readlink)
	(linux_nat_fileio_unlink, linux_nat_thread_events): Refactor as
	methods of linux_nat_target.
	(linux_nat_wait_1, linux_xfer_siginfo, linux_proc_xfer_partial)
	(linux_proc_xfer_spu, linux_nat_xfer_osdata): Remove target_ops
	parameter.
	(check_stopped_by_watchpoint): Adjust.
	(linux_xfer_partial): Delete.
	(linux_target_install_ops, linux_target, linux_nat_add_target):
	Delete.
	(linux_nat_target::linux_nat_target): New.
	* linux-nat.h: Include "inf-ptrace.h".
	(linux_nat_target): New.
	(linux_target, linux_target_install_ops, linux_nat_add_target):
	Delete function declarations.
	(linux_target): Declare global.
	* linux-thread-db.c (thread_db_target): New.
	(thread_db_target::thread_db_target): New.
	(thread_db_ops): Delete.
	(the_thread_db_target): New.
	(thread_db_detach, thread_db_wait, thread_db_mourn_inferior)
	(thread_db_update_thread_list, thread_db_pid_to_str)
	(thread_db_extra_thread_info)
	(thread_db_thread_handle_to_thread_info)
	(thread_db_get_thread_local_address, thread_db_get_ada_task_ptid)
	(thread_db_resume): Refactor as methods of thread_db_target.
	(init_thread_db_ops): Delete.
	(_initialize_thread_db): Remove reference to init_thread_db_ops.
	* x86-linux-nat.c: Don't include "linux-nat.h".
	(super_post_startup_inferior): Delete.
	(x86_linux_nat_target::~x86_linux_nat_target): New.
	(x86_linux_child_post_startup_inferior)
	(x86_linux_read_description, x86_linux_enable_btrace)
	(x86_linux_disable_btrace, x86_linux_teardown_btrace)
	(x86_linux_read_btrace, x86_linux_btrace_conf): Refactor as
	methods of x86_linux_nat_target.
	(x86_linux_create_target): Delete.  Bits folded ...
	(x86_linux_add_target): ... here.  Now takes a linux_nat_target
	pointer.
	* x86-linux-nat.h: Include "linux-nat.h" and "x86-nat.h".
	(x86_linux_nat_target): New class.
	(x86_linux_create_target): Delete.
	(x86_linux_add_target): Now takes a linux_nat_target pointer.
	* x86-nat.c (x86_insert_watchpoint, x86_remove_watchpoint)
	(x86_region_ok_for_watchpoint, x86_stopped_data_address)
	(x86_stopped_by_watchpoint, x86_insert_hw_breakpoint)
	(x86_remove_hw_breakpoint, x86_can_use_hw_breakpoint)
	(x86_stopped_by_hw_breakpoint): Remove target_ops parameter and
	make extern.
	(x86_use_watchpoints): Delete.
	* x86-nat.h: Include "breakpoint.h" and "target.h".
	(x86_use_watchpoints): Delete.
	(x86_can_use_hw_breakpoint, x86_region_ok_for_hw_watchpoint)
	(x86_stopped_by_watchpoint, x86_stopped_data_address)
	(x86_insert_watchpoint, x86_remove_watchpoint)
	(x86_insert_hw_breakpoint, x86_remove_hw_breakpoint)
	(x86_stopped_by_hw_breakpoint): New declarations.
	(x86_nat_target): New template class.

	* ppc-linux-nat.c (ppc_linux_nat_target): New class.
	(the_ppc_linux_nat_target): New.
	(ppc_linux_fetch_inferior_registers)
	(ppc_linux_can_use_hw_breakpoint)
	(ppc_linux_region_ok_for_hw_watchpoint)
	(ppc_linux_ranged_break_num_registers)
	(ppc_linux_insert_hw_breakpoint, ppc_linux_remove_hw_breakpoint)
	(ppc_linux_insert_mask_watchpoint)
	(ppc_linux_remove_mask_watchpoint)
	(ppc_linux_can_accel_watchpoint_condition)
	(ppc_linux_insert_watchpoint, ppc_linux_remove_watchpoint)
	(ppc_linux_stopped_data_address, ppc_linux_stopped_by_watchpoint)
	(ppc_linux_watchpoint_addr_within_range)
	(ppc_linux_masked_watch_num_registers)
	(ppc_linux_store_inferior_registers, ppc_linux_auxv_parse)
	(ppc_linux_read_description): Refactor as methods of
	ppc_linux_nat_target.
	(_initialize_ppc_linux_nat): Adjust.  Set linux_target.

	* procfs.c (procfs_xfer_partial): Delete forward declaration.
	(procfs_target): New class.
	(the_procfs_target): New.
	(procfs_target): Delete function.
	(procfs_auxv_parse, procfs_attach, procfs_detach)
	(procfs_fetch_registers, procfs_store_registers, procfs_wait)
	(procfs_xfer_partial, procfs_resume, procfs_pass_signals)
	(procfs_files_info, procfs_kill_inferior, procfs_mourn_inferior)
	(procfs_create_inferior, procfs_update_thread_list)
	(procfs_thread_alive, procfs_pid_to_str)
	(procfs_can_use_hw_breakpoint, procfs_stopped_by_watchpoint)
	(procfs_stopped_data_address, procfs_insert_watchpoint)
	(procfs_remove_watchpoint, procfs_region_ok_for_hw_watchpoint)
	(proc_find_memory_regions, procfs_info_proc)
	(procfs_make_note_section): Refactor as methods of procfs_target.
	(_initialize_procfs): Adjust.
	* sol-thread.c (sol_thread_target): New class.
	(sol_thread_ops): Now a sol_thread_target.
	(sol_thread_detach, sol_thread_resume, sol_thread_wait)
	(sol_thread_fetch_registers, sol_thread_store_registers)
	(sol_thread_xfer_partial, sol_thread_mourn_inferior)
	(sol_thread_alive, solaris_pid_to_str, sol_update_thread_list)
	(sol_get_ada_task_ptid): Refactor as methods of sol_thread_target.
	(init_sol_thread_ops): Delete.
	(_initialize_sol_thread): Adjust.  Remove references to
	init_sol_thread_ops and complete_target_initialization.

	* windows-nat.c (windows_nat_target): New class.
	(windows_fetch_inferior_registers)
	(windows_store_inferior_registers, windows_resume, windows_wait)
	(windows_attach, windows_detach, windows_pid_to_exec_file)
	(windows_files_info, windows_create_inferior)
	(windows_mourn_inferior, windows_interrupt, windows_kill_inferior)
	(windows_close, windows_pid_to_str, windows_xfer_partial)
	(windows_get_tib_address, windows_get_ada_task_ptid)
	(windows_thread_name, windows_thread_alive): Refactor as
	windows_nat_target methods.
	(do_initial_windows_stuff): Adjust.
	(windows_target): Delete function.
	(_initialize_windows_nat): Adjust.

	* darwin-nat.c (darwin_resume, darwin_wait_to, darwin_interrupt)
	(darwin_mourn_inferior, darwin_kill_inferior)
	(darwin_create_inferior, darwin_attach, darwin_detach)
	(darwin_pid_to_str, darwin_thread_alive, darwin_xfer_partial)
	(darwin_pid_to_exec_file, darwin_get_ada_task_ptid)
	(darwin_supports_multi_process): Refactor as darwin_nat_target
	methods.
	(darwin_resume_to, darwin_files_info): Delete.
	(_initialize_darwin_inferior): Rename to ...
	(_initialize_darwin_nat): ... this.  Adjust to C++ification.
	* darwin-nat.h: Include "inf-child.h".
	(darwin_nat_target): New class.
	(darwin_complete_target): Delete.
	* i386-darwin-nat.c (i386_darwin_nat_target): New class.
	(darwin_target): New.
	(i386_darwin_fetch_inferior_registers)
	(i386_darwin_store_inferior_registers): Refactor as methods of
	darwin_nat_target.
	(darwin_complete_target): Delete, with ...
	(_initialize_i386_darwin_nat): ... bits factored out here.

	* alpha-linux-nat.c (alpha_linux_nat_target): New class.
	(the_alpha_linux_nat_target): New.
	(alpha_linux_register_u_offset): Refactor as
	alpha_linux_nat_target method.
	(_initialize_alpha_linux_nat): Adjust.
	* linux-nat-trad.c (inf_ptrace_register_u_offset): Delete.
	(inf_ptrace_fetch_register, inf_ptrace_fetch_registers)
	(inf_ptrace_store_register, inf_ptrace_store_registers): Refact as
	methods of linux_nat_trad_target.
	(linux_trad_target): Delete.
	* linux-nat-trad.h (linux_trad_target): Delete function.
	(linux_nat_trad_target): New class.
	* mips-linux-nat.c (mips_linux_nat_target): New class.
	(super_fetch_registers, super_store_registers, super_close):
	Delete.
	(the_mips_linux_nat_target): New.
	(mips64_linux_regsets_fetch_registers)
	(mips64_linux_regsets_store_registers)
	(mips64_linux_fetch_registers, mips64_linux_store_registers)
	(mips_linux_register_u_offset, mips_linux_read_description)
	(mips_linux_can_use_hw_breakpoint)
	(mips_linux_stopped_by_watchpoint)
	(mips_linux_stopped_data_address)
	(mips_linux_region_ok_for_hw_watchpoint)
	(mips_linux_insert_watchpoint, mips_linux_remove_watchpoint)
	(mips_linux_close): Refactor as methods of mips_linux_nat.
	(_initialize_mips_linux_nat): Adjust to C++ification.

	* aix-thread.c (aix_thread_target): New class.
	(aix_thread_ops): Now an aix_thread_target.
	(aix_thread_detach, aix_thread_resume, aix_thread_wait)
	(aix_thread_fetch_registers, aix_thread_store_registers)
	(aix_thread_xfer_partial, aix_thread_mourn_inferior)
	(aix_thread_thread_alive, aix_thread_pid_to_str)
	(aix_thread_extra_thread_info, aix_thread_get_ada_task_ptid):
	Refactor as methods of aix_thread_target.
	(init_aix_thread_ops): Delete.
	(_initialize_aix_thread): Remove references to init_aix_thread_ops
	and complete_target_initialization.
	* rs6000-nat.c (rs6000_xfer_shared_libraries): Delete.
	(rs6000_nat_target): New class.
	(the_rs6000_nat_target): New.
	(rs6000_fetch_inferior_registers, rs6000_store_inferior_registers)
	(rs6000_xfer_partial, rs6000_wait, rs6000_create_inferior)
	(rs6000_xfer_shared_libraries): Refactor as rs6000_nat_target methods.
	(super_create_inferior): Delete.
	(_initialize_rs6000_nat): Adjust to C++ification.

	* arm-linux-nat.c (arm_linux_nat_target): New class.
	(the_arm_linux_nat_target): New.
	(arm_linux_fetch_inferior_registers)
	(arm_linux_store_inferior_registers, arm_linux_read_description)
	(arm_linux_can_use_hw_breakpoint, arm_linux_insert_hw_breakpoint)
	(arm_linux_remove_hw_breakpoint)
	(arm_linux_region_ok_for_hw_watchpoint)
	(arm_linux_insert_watchpoint, arm_linux_remove_watchpoint)
	(arm_linux_stopped_data_address, arm_linux_stopped_by_watchpoint)
	(arm_linux_watchpoint_addr_within_range): Refactor as methods of
	arm_linux_nat_target.
	(_initialize_arm_linux_nat): Adjust to C++ification.

	* aarch64-linux-nat.c (aarch64_linux_nat_target): New class.
	(the_aarch64_linux_nat_target): New.
	(aarch64_linux_fetch_inferior_registers)
	(aarch64_linux_store_inferior_registers)
	(aarch64_linux_child_post_startup_inferior)
	(aarch64_linux_read_description)
	(aarch64_linux_can_use_hw_breakpoint)
	(aarch64_linux_insert_hw_breakpoint)
	(aarch64_linux_remove_hw_breakpoint)
	(aarch64_linux_insert_watchpoint, aarch64_linux_remove_watchpoint)
	(aarch64_linux_region_ok_for_hw_watchpoint)
	(aarch64_linux_stopped_data_address)
	(aarch64_linux_stopped_by_watchpoint)
	(aarch64_linux_watchpoint_addr_within_range)
	(aarch64_linux_can_do_single_step): Refactor as methods of
	aarch64_linux_nat_target.
	(super_post_startup_inferior): Delete.
	(_initialize_aarch64_linux_nat): Adjust to C++ification.

	* hppa-linux-nat.c (hppa_linux_nat_target): New class.
	(the_hppa_linux_nat_target): New.
	(hppa_linux_fetch_inferior_registers)
	(hppa_linux_store_inferior_registers): Refactor as methods of
	hppa_linux_nat_target.
	(_initialize_hppa_linux_nat): Adjust to C++ification.

	* ia64-linux-nat.c (ia64_linux_nat_target): New class.
	(the_ia64_linux_nat_target): New.
	(ia64_linux_insert_watchpoint, ia64_linux_remove_watchpoint)
	(ia64_linux_stopped_data_address)
	(ia64_linux_stopped_by_watchpoint, ia64_linux_fetch_registers)
	(ia64_linux_store_registers, ia64_linux_xfer_partial): Refactor as
	ia64_linux_nat_target methods.
	(super_xfer_partial): Delete.
	(_initialize_ia64_linux_nat): Adjust to C++ification.

	* m32r-linux-nat.c (m32r_linux_nat_target): New class.
	(the_m32r_linux_nat_target): New.
	(m32r_linux_fetch_inferior_registers)
	(m32r_linux_store_inferior_registers): Refactor as
	m32r_linux_nat_target methods.
	(_initialize_m32r_linux_nat): Adjust to C++ification.

	* m68k-linux-nat.c (m68k_linux_nat_target): New class.
	(the_m68k_linux_nat_target): New.
	(m68k_linux_fetch_inferior_registers)
	(m68k_linux_store_inferior_registers): Refactor as
	m68k_linux_nat_target methods.
	(_initialize_m68k_linux_nat): Adjust to C++ification.

	* s390-linux-nat.c (s390_linux_nat_target): New class.
	(the_s390_linux_nat_target): New.
	(s390_linux_fetch_inferior_registers)
	(s390_linux_store_inferior_registers, s390_stopped_by_watchpoint)
	(s390_insert_watchpoint, s390_remove_watchpoint)
	(s390_can_use_hw_breakpoint, s390_insert_hw_breakpoint)
	(s390_remove_hw_breakpoint, s390_region_ok_for_hw_watchpoint)
	(s390_auxv_parse, s390_read_description): Refactor as methods of
	s390_linux_nat_target.
	(_initialize_s390_nat): Adjust to C++ification.

	* sparc-linux-nat.c (sparc_linux_nat_target): New class.
	(the_sparc_linux_nat_target): New.
	(_initialize_sparc_linux_nat): Adjust to C++ification.
	* sparc-nat.c (sparc_fetch_inferior_registers)
	(sparc_store_inferior_registers): Remove target_ops parameter.
	* sparc-nat.h (sparc_fetch_inferior_registers)
	(sparc_store_inferior_registers): Remove target_ops parameter.
	* sparc64-linux-nat.c (sparc64_linux_nat_target): New class.
	(the_sparc64_linux_nat_target): New.
	(_initialize_sparc64_linux_nat): Adjust to C++ification.

	* spu-linux-nat.c (spu_linux_nat_target): New class.
	(the_spu_linux_nat_target): New.
	(spu_child_post_startup_inferior, spu_child_post_attach)
	(spu_child_wait, spu_fetch_inferior_registers)
	(spu_store_inferior_registers, spu_xfer_partial)
	(spu_can_use_hw_breakpoint): Refactor as spu_linux_nat_target
	methods.
	(_initialize_spu_nat): Adjust to C++ification.

	* tilegx-linux-nat.c (tilegx_linux_nat_target): New class.
	(the_tilegx_linux_nat_target): New.
	(fetch_inferior_registers, store_inferior_registers):
	Refactor as methods.
	(_initialize_tile_linux_nat): Adjust to C++ification.

	* xtensa-linux-nat.c (xtensa_linux_nat_target): New class.
	(the_xtensa_linux_nat_target): New.
	(xtensa_linux_fetch_inferior_registers)
	(xtensa_linux_store_inferior_registers): Refactor as
	xtensa_linux_nat_target methods.
	(_initialize_xtensa_linux_nat): Adjust to C++ification.

	* fbsd-nat.c (USE_SIGTRAP_SIGINFO): Delete.
	(fbsd_pid_to_exec_file, fbsd_find_memory_regions)
	(fbsd_find_memory_regions, fbsd_info_proc, fbsd_xfer_partial)
	(fbsd_thread_alive, fbsd_pid_to_str, fbsd_thread_name)
	(fbsd_update_thread_list, fbsd_resume, fbsd_wait)
	(fbsd_stopped_by_sw_breakpoint)
	(fbsd_supports_stopped_by_sw_breakpoint, fbsd_follow_fork)
	(fbsd_insert_fork_catchpoint, fbsd_remove_fork_catchpoint)
	(fbsd_insert_vfork_catchpoint, fbsd_remove_vfork_catchpoint)
	(fbsd_post_startup_inferior, fbsd_post_attach)
	(fbsd_insert_exec_catchpoint, fbsd_remove_exec_catchpoint)
	(fbsd_set_syscall_catchpoint)
	(super_xfer_partial, super_resume, super_wait)
	(fbsd_supports_stopped_by_hw_breakpoint): Delete.
	(fbsd_handle_debug_trap): Remove target_ops parameter.
	(fbsd_nat_add_target): Delete.
	* fbsd-nat.h: Include "inf-ptrace.h".
	(fbsd_nat_add_target): Delete.
	(USE_SIGTRAP_SIGINFO): Define.
	(fbsd_nat_target): New class.

	* amd64-bsd-nat.c (amd64bsd_fetch_inferior_registers)
	(amd64bsd_store_inferior_registers): Remove target_ops parameter.
	(amd64bsd_target): Delete.
	* amd64-bsd-nat.h: New file.
	* amd64-fbsd-nat.c: Include "amd64-bsd-nat.h" instead of
	"x86-bsd-nat.h".
	(amd64_fbsd_nat_target): New class.
	(the_amd64_fbsd_nat_target): New.
	(amd64fbsd_read_description): Refactor as method of
	amd64_fbsd_nat_target.
	(amd64_fbsd_nat_target::supports_stopped_by_hw_breakpoint): New.
	(_initialize_amd64fbsd_nat): Adjust to C++ification.
	* amd64-nat.h (amd64bsd_target): Delete function declaration.
	* i386-bsd-nat.c (i386bsd_fetch_inferior_registers)
	(i386bsd_store_inferior_registers): Remove target_ops parameter.
	(i386bsd_target): Delete.
	* i386-bsd-nat.h (i386bsd_target): Delete function declaration.
	(i386bsd_fetch_inferior_registers)
	(i386bsd_store_inferior_registers): Declare.
	(i386_bsd_nat_target): New class.
	* i386-fbsd-nat.c (i386_fbsd_nat_target): New class.
	(the_i386_fbsd_nat_target): New.
	(i386fbsd_resume, i386fbsd_read_description): Refactor as
	i386_fbsd_nat_target methods.
	(i386_fbsd_nat_target::supports_stopped_by_hw_breakpoint): New.
	(_initialize_i386fbsd_nat): Adjust to C++ification.
	* x86-bsd-nat.c (super_mourn_inferior): Delete.
	(x86bsd_mourn_inferior, x86bsd_target): Delete.
	(_initialize_x86_bsd_nat): Adjust to C++ification.
	* x86-bsd-nat.h: Include "x86-nat.h".
	(x86bsd_target): Delete declaration.
	(x86bsd_nat_target): New class.

	* aarch64-fbsd-nat.c (aarch64_fbsd_nat_target): New class.
	(the_aarch64_fbsd_nat_target): New.
	(aarch64_fbsd_fetch_inferior_registers)
	(aarch64_fbsd_store_inferior_registers): Refactor as methods of
	aarch64_fbsd_nat_target.
	(_initialize_aarch64_fbsd_nat): Adjust to C++ification.
	* alpha-bsd-nat.c (alpha_bsd_nat_target): New class.
	(the_alpha_bsd_nat_target): New.
	(alphabsd_fetch_inferior_registers)
	(alphabsd_store_inferior_registers): Refactor as
	alpha_bsd_nat_target methods.
	(_initialize_alphabsd_nat): Refactor as methods of
	alpha_bsd_nat_target.
	* amd64-nbsd-nat.c: Include "amd64-bsd-nat.h".
	(the_amd64_nbsd_nat_target): New.
	(_initialize_amd64nbsd_nat): Adjust to C++ification.
	* amd64-obsd-nat.c: Include "amd64-bsd-nat.h".
	(the_amd64_obsd_nat_target): New.
	(_initialize_amd64obsd_nat): Adjust to C++ification.
	* arm-fbsd-nat.c (arm_fbsd_nat_target): New.
	(the_arm_fbsd_nat_target): New.
	(arm_fbsd_fetch_inferior_registers)
	(arm_fbsd_store_inferior_registers, arm_fbsd_read_description):
	(_initialize_arm_fbsd_nat): Refactor as methods of
	arm_fbsd_nat_target.
	(_initialize_arm_fbsd_nat): Adjust to C++ification.
	* arm-nbsd-nat.c (arm_netbsd_nat_target): New class.
	(the_arm_netbsd_nat_target): New.
	(armnbsd_fetch_registers, armnbsd_store_registers): Refactor as
	arm_netbsd_nat_target.
	(_initialize_arm_netbsd_nat): Adjust to C++ification.
	* hppa-nbsd-nat.c (hppa_nbsd_nat_target): New class.
	(the_hppa_nbsd_nat_target): New.
	(hppanbsd_fetch_registers, hppanbsd_store_registers): Refactor as
	hppa_nbsd_nat_target methods.
	(_initialize_hppanbsd_nat): Adjust to C++ification.
	* hppa-obsd-nat.c (hppa_obsd_nat_target): New class.
	(the_hppa_obsd_nat_target): New.
	(hppaobsd_fetch_registers, hppaobsd_store_registers): Refactor as
	methods of hppa_obsd_nat_target.
	(_initialize_hppaobsd_nat): Adjust to C++ification.  Use
	add_target.
	* i386-nbsd-nat.c (the_i386_nbsd_nat_target): New.
	(_initialize_i386nbsd_nat): Adjust to C++ification.  Use
	add_target.
	* i386-obsd-nat.c (the_i386_obsd_nat_target): New.
	(_initialize_i386obsd_nat): Use add_target.
	* m68k-bsd-nat.c (m68k_bsd_nat_target): New class.
	(the_m68k_bsd_nat_target): New.
	(m68kbsd_fetch_inferior_registers)
	(m68kbsd_store_inferior_registers): Refactor as methods of
	m68k_bsd_nat_target.
	(_initialize_m68kbsd_nat): Adjust to C++ification.
	* mips-fbsd-nat.c (mips_fbsd_nat_target): New class.
	(the_mips_fbsd_nat_target): New.
	(mips_fbsd_fetch_inferior_registers)
	(mips_fbsd_store_inferior_registers): Refactor as methods of
	mips_fbsd_nat_target.
	(_initialize_mips_fbsd_nat): Adjust to C++ification.  Use
	add_target.
	* mips-nbsd-nat.c (mips_nbsd_nat_target): New class.
	(the_mips_nbsd_nat_target): New.
	(mipsnbsd_fetch_inferior_registers)
	(mipsnbsd_store_inferior_registers): Refactor as methods of
	mips_nbsd_nat_target.
	(_initialize_mipsnbsd_nat): Adjust to C++ification.
	* mips64-obsd-nat.c (mips64_obsd_nat_target): New class.
	(the_mips64_obsd_nat_target): New.
	(mips64obsd_fetch_inferior_registers)
	(mips64obsd_store_inferior_registers): Refactor as methods of
	mips64_obsd_nat_target.
	(_initialize_mips64obsd_nat): Adjust to C++ification.  Use
	add_target.
	* nbsd-nat.c (nbsd_pid_to_exec_file): Refactor as method of
	nbsd_nat_target.
	* nbsd-nat.h: Include "inf-ptrace.h".
	(nbsd_nat_target): New class.
	* obsd-nat.c (obsd_pid_to_str, obsd_update_thread_list)
	(obsd_wait): Refactor as methods of obsd_nat_target.
	(obsd_add_target): Delete.
	* obsd-nat.h: Include "inf-ptrace.h".
	(obsd_nat_target): New class.
	* ppc-fbsd-nat.c (ppc_fbsd_nat_target): New class.
	(the_ppc_fbsd_nat_target): New.
	(ppcfbsd_fetch_inferior_registers)
	(ppcfbsd_store_inferior_registers): Refactor as methods of
	ppc_fbsd_nat_target.
	(_initialize_ppcfbsd_nat): Adjust to C++ification.  Use
	add_target.
	* ppc-nbsd-nat.c (ppc_nbsd_nat_target): New class.
	(the_ppc_nbsd_nat_target): New.
	(ppcnbsd_fetch_inferior_registers)
	(ppcnbsd_store_inferior_registers): Refactor as methods of
	ppc_nbsd_nat_target.
	(_initialize_ppcnbsd_nat): Adjust to C++ification.
	* ppc-obsd-nat.c (ppc_obsd_nat_target): New class.
	(the_ppc_obsd_nat_target): New.
	(ppcobsd_fetch_registers, ppcobsd_store_registers): Refactor as
	methods of ppc_obsd_nat_target.
	(_initialize_ppcobsd_nat): Adjust to C++ification.  Use
	add_target.
	* sh-nbsd-nat.c (sh_nbsd_nat_target): New class.
	(the_sh_nbsd_nat_target): New.
	(shnbsd_fetch_inferior_registers)
	(shnbsd_store_inferior_registers): Refactor as methods of
	sh_nbsd_nat_target.
	(_initialize_shnbsd_nat): Adjust to C++ification.
	* sparc-nat.c (sparc_xfer_wcookie): Make extern.
	(inf_ptrace_xfer_partial): Delete.
	(sparc_xfer_partial, sparc_target): Delete.
	* sparc-nat.h (sparc_fetch_inferior_registers)
	(sparc_store_inferior_registers, sparc_xfer_wcookie): Declare.
	(sparc_target): Delete function declaration.
	(sparc_target): New template class.
	* sparc-nbsd-nat.c (the_sparc_nbsd_nat_target): New.
	(_initialize_sparcnbsd_nat): Adjust to C++ification.
	* sparc64-fbsd-nat.c (the_sparc64_fbsd_nat_target): New.
	(_initialize_sparc64fbsd_nat): Adjust to C++ification.  Use
	add_target.
	* sparc64-nbsd-nat.c (the_sparc64_nbsd_nat_target): New.
	(_initialize_sparc64nbsd_nat): Adjust to C++ification.
	* sparc64-obsd-nat.c (the_sparc64_obsd_nat_target): New.
	(_initialize_sparc64obsd_nat): Adjust to C++ification.  Use
	add_target.
	* vax-bsd-nat.c (vax_bsd_nat_target): New class.
	(the_vax_bsd_nat_target): New.
	(vaxbsd_fetch_inferior_registers)
	(vaxbsd_store_inferior_registers): Refactor as vax_bsd_nat_target
	methods.
	(_initialize_vaxbsd_nat): Adjust to C++ification.

	* bsd-kvm.c (bsd_kvm_target): New class.
	(bsd_kvm_ops): Now a bsd_kvm_target.
	(bsd_kvm_open, bsd_kvm_close, bsd_kvm_xfer_partial)
	(bsd_kvm_files_info, bsd_kvm_fetch_registers)
	(bsd_kvm_thread_alive, bsd_kvm_pid_to_str): Refactor as methods of
	bsd_kvm_target.
	(bsd_kvm_return_one): Delete.
	(bsd_kvm_add_target): Adjust to C++ification.

	* nto-procfs.c (nto_procfs_target, nto_procfs_target_native)
	(nto_procfs_target_procfs): New classes.
	(procfs_open_1, procfs_thread_alive, procfs_update_thread_list)
	(procfs_files_info, procfs_pid_to_exec_file, procfs_attach)
	(procfs_post_attach, procfs_wait, procfs_fetch_registers)
	(procfs_xfer_partial, procfs_detach, procfs_insert_breakpoint)
	(procfs_remove_breakpoint, procfs_insert_hw_breakpoint)
	(procfs_remove_hw_breakpoint, procfs_resume)
	(procfs_mourn_inferior, procfs_create_inferior, procfs_interrupt)
	(procfs_kill_inferior, procfs_store_registers)
	(procfs_pass_signals, procfs_pid_to_str, procfs_can_run): Refactor
	as methods of nto_procfs_target.
	(nto_procfs_ops): Now an nto_procfs_target_procfs.
	(nto_native_ops): Delete.
	(procfs_open, procfs_native_open): Delete.
	(nto_native_ops): Now an nto_procfs_target_native.
	(init_procfs_targets): Adjust to C++ification.
	(procfs_can_use_hw_breakpoint, procfs_remove_hw_watchpoint)
	(procfs_insert_hw_watchpoint, procfs_stopped_by_watchpoint):
	Refactor as methods of nto_procfs_target.

	* go32-nat.c (go32_nat_target): New class.
	(the_go32_nat_target): New.
	(go32_attach, go32_resume, go32_wait, go32_fetch_registers)
	(go32_store_registers, go32_xfer_partial, go32_files_info)
	(go32_kill_inferior, go32_create_inferior, go32_mourn_inferior)
	(go32_terminal_init, go32_terminal_info, go32_terminal_inferior)
	(go32_terminal_ours, go32_pass_ctrlc, go32_thread_alive)
	(go32_pid_to_str): Refactor as methods of go32_nat_target.
	(go32_target): Delete.
	(_initialize_go32_nat): Adjust to C++ification.

	* gnu-nat.c (gnu_wait, gnu_resume, gnu_kill_inferior)
	(gnu_mourn_inferior, gnu_create_inferior, gnu_attach, gnu_detach)
	(gnu_stop, gnu_thread_alive, gnu_xfer_partial)
	(gnu_find_memory_regions, gnu_pid_to_str): Refactor as methods of
	gnu_nat_target.
	(gnu_target): Delete.
	* gnu-nat.h (gnu_target): Delete.
	(gnu_nat_target): New class.
	* i386-gnu-nat.c (gnu_base_target): New.
	(i386_gnu_nat_target): New class.
	(the_i386_gnu_nat_target): New.
	(_initialize_i386gnu_nat): Adjust to C++ification.

gdb/testsuite/ChangeLog:
2018-05-02  Pedro Alves  <palves@redhat.com>

	* gdb.base/breakpoint-in-ro-region.exp: Adjust to to_resume and
	to_log_command renames.
	* gdb.base/sss-bp-on-user-bp-2.exp: Likewise.
2018-05-03 00:48:36 +01:00
Tom Tromey 4904c3c6b6 Make do_is_mi_like_p const.
This changes ui_out to make is_mi_like_p and do_is_mi_like_p "const".

ChangeLog
2018-04-30  Tom Tromey  <tom@tromey.com>

	* ui-out.c: Update.
	* cli-out.h (cli_ui_out::do_is_mi_like_p): Update.
	* ui-out.h (ui_out::is_mi_like_p): Now const.
	(ui_out::do_is_mi_like_p): Now const.
	* mi/mi-out.h (mi_ui_out::do_is_mi_like_p): Update.
2018-04-30 12:59:03 -06:00