/tmp/gdb-8.1/gdb/extension.c File Reference

#include "defs.h"
#include <signal.h>
#include "target.h"
#include "auto-load.h"
#include "breakpoint.h"
#include "event-top.h"
#include "extension.h"
#include "extension-priv.h"
#include "observer.h"
#include "cli/cli-script.h"
#include "python/python.h"
#include "guile/guile.h"

Go to the source code of this file.

Macros
#define	ALL_EXTENSION_LANGUAGES(i, extlang)
#define	ALL_ENABLED_EXTENSION_LANGUAGES(i, extlang)

Functions
const struct extension_language_defn *	get_ext_lang_defn (enum extension_language lang)
static int	has_extension (const char *file, const char *extension)
const struct extension_language_defn *	get_ext_lang_of_file (const char *file)
int	ext_lang_present_p (const struct extension_language_defn *extlang)
int	ext_lang_initialized_p (const struct extension_language_defn *extlang)
void	throw_ext_lang_unsupported (const struct extension_language_defn *extlang)
static void	source_gdb_script (const struct extension_language_defn *extlang, FILE *stream, const char *file)
static void	source_gdb_objfile_script (const struct extension_language_defn *extlang, struct objfile *objfile, FILE *stream, const char *file)
const char *	ext_lang_name (const struct extension_language_defn *extlang)
const char *	ext_lang_capitalized_name (const struct extension_language_defn *extlang)
const char *	ext_lang_suffix (const struct extension_language_defn *extlang)
const char *	ext_lang_auto_load_suffix (const struct extension_language_defn *extlang)
script_sourcer_func *	ext_lang_script_sourcer (const struct extension_language_defn *extlang)
objfile_script_sourcer_func *	ext_lang_objfile_script_sourcer (const struct extension_language_defn *extlang)
objfile_script_executor_func *	ext_lang_objfile_script_executor (const struct extension_language_defn *extlang)
int	ext_lang_auto_load_enabled (const struct extension_language_defn *extlang)
void	finish_ext_lang_initialization (void)
void	eval_ext_lang_from_control_command (struct command_line *cmd)
void	auto_load_ext_lang_scripts_for_objfile (struct objfile *objfile)
struct ext_lang_type_printers *	start_ext_lang_type_printers (void)
char *	apply_ext_lang_type_printers (struct ext_lang_type_printers *printers, struct type *type)
void	free_ext_lang_type_printers (struct ext_lang_type_printers *printers)
int	apply_ext_lang_val_pretty_printer (struct type *type, LONGEST embedded_offset, CORE_ADDR address, struct ui_file *stream, int recurse, struct value *val, const struct value_print_options *options, const struct language_defn *language)
enum ext_lang_bt_status	apply_ext_lang_frame_filter (struct frame_info *frame, int flags, enum ext_lang_frame_args args_type, struct ui_out *out, int frame_low, int frame_high)
void	preserve_ext_lang_values (struct objfile *objfile, htab_t copied_types)
const struct extension_language_defn *	get_breakpoint_cond_ext_lang (struct breakpoint *b, enum extension_language skip_lang)
int	breakpoint_ext_lang_cond_says_stop (struct breakpoint *b)
const struct extension_language_defn *	get_active_ext_lang (void)
static void	install_sigint_handler (const struct signal_handler *handler_state)
static void	install_gdb_sigint_handler (struct signal_handler *previous)
struct active_ext_lang_state *	set_active_ext_lang (const struct extension_language_defn *now_active)
void	restore_active_ext_lang (struct active_ext_lang_state *previous)
void	set_quit_flag (void)
int	check_quit_flag (void)
struct xmethod_worker *	new_xmethod_worker (const struct extension_language_defn *extlang, void *data)
struct xmethod_worker *	clone_xmethod_worker (struct xmethod_worker *worker)
	VEC (xmethod_worker_ptr)
struct type **	get_xmethod_arg_types (struct xmethod_worker *worker, int *nargs)
struct type *	get_xmethod_result_type (struct xmethod_worker *worker, struct value *object, struct value **args, int nargs)
struct value *	invoke_xmethod (struct xmethod_worker *worker, struct value *obj, struct value **args, int nargs)
void	free_xmethod_worker (struct xmethod_worker *worker)
void	free_xmethod_worker_vec (void *vec)
static void	ext_lang_before_prompt (const char *current_gdb_prompt)
void	_initialize_extension (void)

Variables
static script_sourcer_func	source_gdb_script
static objfile_script_sourcer_func	source_gdb_objfile_script
static const struct extension_language_script_ops	extension_language_gdb_script_ops
const struct extension_language_defn	extension_language_gdb
static const struct extension_language_defn *const	extension_languages []
static int	quit_flag
static const struct extension_language_defn *	active_ext_lang = &extension_language_gdb

Macro Definition Documentation

ALL_ENABLED_EXTENSION_LANGUAGES

#define ALL_ENABLED_EXTENSION_LANGUAGES	(		i,
			extlang
	)

Value:

for (/*int*/ i = 0, extlang = extension_languages[0]; \
       extlang != NULL; \
       extlang = extension_languages[++i]) \
    if (extlang->ops != NULL)

Definition at line 48 of file extension.c.

Referenced by apply_ext_lang_frame_filter(), apply_ext_lang_type_printers(), apply_ext_lang_val_pretty_printer(), auto_load_ext_lang_scripts_for_objfile(), breakpoint_ext_lang_cond_says_stop(), check_quit_flag(), ext_lang_before_prompt(), finish_ext_lang_initialization(), free_ext_lang_type_printers(), get_breakpoint_cond_ext_lang(), preserve_ext_lang_values(), start_ext_lang_type_printers(), and VEC().

ALL_EXTENSION_LANGUAGES

#define ALL_EXTENSION_LANGUAGES	(		i,
			extlang
	)

Value:

for (/*int*/ i = 0, extlang = extension_languages[0]; \
       extlang != NULL; \
       extlang = extension_languages[++i])

Definition at line 40 of file extension.c.

Referenced by eval_ext_lang_from_control_command(), get_ext_lang_defn(), and get_ext_lang_of_file().

Function Documentation

_initialize_extension()

void _initialize_extension

(

void

)

Definition at line 1065 of file extension.c.

References ext_lang_before_prompt(), and observer_attach_before_prompt().

apply_ext_lang_frame_filter()

enum ext_lang_bt_status apply_ext_lang_frame_filter	(	struct frame_info *	frame,
		int	flags,
		enum ext_lang_frame_args	args_type,
		struct ui_out *	out,
		int	frame_low,
		int	frame_high
	)

Definition at line 556 of file extension.c.

References ALL_ENABLED_EXTENSION_LANGUAGES, extension_language_ops::apply_frame_filter, EXT_LANG_BT_NO_FILTERS, flags, extension_language_defn::ops, and status.

Referenced by backtrace_command_1(), mi_apply_ext_lang_frame_filter(), and mi_cmd_stack_list_frames().

apply_ext_lang_type_printers()

char* apply_ext_lang_type_printers	(	struct ext_lang_type_printers *	printers,
		struct type *	type
	)

Definition at line 431 of file extension.c.

References ALL_ENABLED_EXTENSION_LANGUAGES, extension_language_ops::apply_type_printers, EXT_LANG_RC_ERROR, EXT_LANG_RC_NOP, EXT_LANG_RC_OK, gdb_assert, gdb_assert_not_reached, and extension_language_defn::ops.

Referenced by find_global_typedef().

apply_ext_lang_val_pretty_printer()

int apply_ext_lang_val_pretty_printer	(	struct type *	type,
		LONGEST	embedded_offset,
		CORE_ADDR	address,
		struct ui_file *	stream,
		int	recurse,
		struct value *	val,
		const struct value_print_options *	options,
		const struct language_defn *	language
	)

Definition at line 499 of file extension.c.

References ALL_ENABLED_EXTENSION_LANGUAGES, extension_language_ops::apply_val_pretty_printer, EXT_LANG_RC_ERROR, EXT_LANG_RC_NOP, EXT_LANG_RC_OK, gdb_assert_not_reached, and extension_language_defn::ops.

Referenced by cp_print_value(), val_print(), and value_print().

auto_load_ext_lang_scripts_for_objfile()

void auto_load_ext_lang_scripts_for_objfile

(

struct objfile *

objfile

)

Definition at line 383 of file extension.c.

References ALL_ENABLED_EXTENSION_LANGUAGES, auto_load_objfile_script(), ext_lang_auto_load_enabled(), and extension_language_gdb.

Referenced by load_auto_scripts_for_objfile().

breakpoint_ext_lang_cond_says_stop()

int breakpoint_ext_lang_cond_says_stop

(

struct breakpoint *

b

)

Definition at line 635 of file extension.c.

References ALL_ENABLED_EXTENSION_LANGUAGES, extension_language_ops::breakpoint_cond_says_stop, EXT_LANG_BP_STOP_NO, EXT_LANG_BP_STOP_UNSET, gdb_assert, and extension_language_defn::ops.

Referenced by bpstat_check_breakpoint_conditions().

check_quit_flag()

int check_quit_flag

(

void

)

Evaluate to non-zero if the quit flag is set, zero otherwise. This will clear the quit flag as a side effect.

Definition at line 828 of file extension.c.

References ALL_ENABLED_EXTENSION_LANGUAGES, extension_language_ops::check_quit_flag, extension_language_defn::ops, quit_flag, and quit_serial_event_clear().

Referenced by default_quit_handler(), gdb_os_poll_quit(), target_terminal::inferior(), load_progress(), remote_fileio_quit_handler(), remote_fileio_reply(), remote_serial_quit_handler(), restore_active_ext_lang(), and set_active_ext_lang().

clone_xmethod_worker()

struct xmethod_worker* clone_xmethod_worker

(

struct xmethod_worker *

worker

)

Definition at line 885 of file extension.c.

References extension_language_ops::clone_xmethod_worker_data, xmethod_worker::data, xmethod_worker::extlang, gdb_assert, new_xmethod_worker(), and extension_language_defn::ops.

Referenced by find_overload_match().

eval_ext_lang_from_control_command()

void eval_ext_lang_from_control_command

(

struct command_line *

cmd

)

Definition at line 353 of file extension.c.

References ALL_EXTENSION_LANGUAGES, extension_language_defn::cli_control_type, command_line::control_type, extension_language_ops::eval_from_control_command, gdb_assert_not_reached, extension_language_defn::ops, and throw_ext_lang_unsupported().

Referenced by execute_control_command_1().

ext_lang_auto_load_enabled()

int ext_lang_auto_load_enabled

(

const struct extension_language_defn *

extlang

)

Definition at line 310 of file extension.c.

References extension_language_script_ops::auto_load_enabled, gdb_assert, and extension_language_defn::script_ops.

Referenced by auto_load_ext_lang_scripts_for_objfile(), execute_script_contents(), and source_script_file().

ext_lang_auto_load_suffix()

const char* ext_lang_auto_load_suffix

(

const struct extension_language_defn *

extlang

)

Definition at line 251 of file extension.c.

References extension_language_defn::auto_load_suffix.

Referenced by _initialize_auto_load(), and auto_load_objfile_script_1().

ext_lang_before_prompt()

static void ext_lang_before_prompt ( const char *  current_gdb_prompt )

static

Definition at line 1039 of file extension.c.

References ALL_ENABLED_EXTENSION_LANGUAGES, extension_language_ops::before_prompt, EXT_LANG_RC_ERROR, EXT_LANG_RC_NOP, EXT_LANG_RC_OK, gdb_assert_not_reached, and extension_language_defn::ops.

Referenced by _initialize_extension().

ext_lang_capitalized_name()

const char* ext_lang_capitalized_name

(

const struct extension_language_defn *

extlang

)

Definition at line 235 of file extension.c.

References extension_language_defn::capitalized_name.

Referenced by condition_command(), gdbscm_set_breakpoint_stop_x(), local_setattro(), and throw_ext_lang_unsupported().

ext_lang_initialized_p()

int ext_lang_initialized_p

(

const struct extension_language_defn *

extlang

)

Definition at line 179 of file extension.c.

References gdb_assert, extension_language_ops::initialized, and extension_language_defn::ops.

Referenced by mi_cmd_list_features().

ext_lang_name()

const char* ext_lang_name

(

const struct extension_language_defn *

extlang

)

Definition at line 227 of file extension.c.

References extension_language_defn::name.

Referenced by auto_load_objfile_script_1(), execute_script_contents(), maybe_print_script_not_found_warning(), maybe_print_unsupported_script_warning(), and source_script_file().

ext_lang_objfile_script_executor()

objfile_script_executor_func* ext_lang_objfile_script_executor

(

const struct extension_language_defn *

extlang

)

Definition at line 298 of file extension.c.

References extension_language_script_ops::objfile_script_executor, and extension_language_defn::script_ops.

Referenced by execute_script_contents().

ext_lang_objfile_script_sourcer()

objfile_script_sourcer_func* ext_lang_objfile_script_sourcer

(

const struct extension_language_defn *

extlang

)

Definition at line 280 of file extension.c.

References gdb_assert, extension_language_script_ops::objfile_script_sourcer, and extension_language_defn::script_ops.

Referenced by auto_load_objfile_script_1(), and source_script_file().

ext_lang_present_p()

int ext_lang_present_p

(

const struct extension_language_defn *

extlang

)

Definition at line 170 of file extension.c.

References extension_language_defn::script_ops.

Referenced by source_script_from_stream().

ext_lang_script_sourcer()

script_sourcer_func* ext_lang_script_sourcer

(

const struct extension_language_defn *

extlang

)

Definition at line 263 of file extension.c.

References gdb_assert, extension_language_defn::script_ops, and extension_language_script_ops::script_sourcer.

Referenced by source_script_from_stream().

ext_lang_suffix()

const char* ext_lang_suffix

(

const struct extension_language_defn *

extlang

)

Definition at line 243 of file extension.c.

References extension_language_defn::suffix.

finish_ext_lang_initialization()

void finish_ext_lang_initialization

(

void

)

Definition at line 329 of file extension.c.

References ALL_ENABLED_EXTENSION_LANGUAGES, extension_language_ops::finish_initialization, and extension_language_defn::ops.

Referenced by gdb_init().

free_ext_lang_type_printers()

void free_ext_lang_type_printers

(

struct ext_lang_type_printers *

printers

)

Definition at line 467 of file extension.c.

References ALL_ENABLED_EXTENSION_LANGUAGES, extension_language_ops::free_type_printers, extension_language_defn::ops, and xfree().

Referenced by do_free_global_table().

free_xmethod_worker()

void free_xmethod_worker

(

struct xmethod_worker *

worker

)

Definition at line 1010 of file extension.c.

References xmethod_worker::data, xmethod_worker::extlang, extension_language_ops::free_xmethod_worker_data, gdb_assert, extension_language_defn::ops, and xfree().

Referenced by free_xmethod_worker_vec(), and value_free().

free_xmethod_worker_vec()

void free_xmethod_worker_vec

(

void *

vec

)

Definition at line 1021 of file extension.c.

References free_xmethod_worker(), VEC(), VEC_free, and VEC_iterate.

Referenced by find_overload_match(), and VEC().

get_active_ext_lang()

const struct extension_language_defn* get_active_ext_lang

(

void

)

Definition at line 687 of file extension.c.

References active_ext_lang.

get_breakpoint_cond_ext_lang()

const struct extension_language_defn* get_breakpoint_cond_ext_lang	(	struct breakpoint *	b,
		enum extension_language	skip_lang
	)

Definition at line 614 of file extension.c.

References ALL_ENABLED_EXTENSION_LANGUAGES, extension_language_ops::breakpoint_has_cond, extension_language_defn::language, and extension_language_defn::ops.

Referenced by condition_command(), gdbscm_set_breakpoint_stop_x(), and local_setattro().

get_ext_lang_defn()

const struct extension_language_defn* get_ext_lang_defn

(

enum extension_language

lang

)

Definition at line 116 of file extension.c.

References ALL_EXTENSION_LANGUAGES, EXT_LANG_GDB, EXT_LANG_NONE, extension_language_gdb, gdb_assert, gdb_assert_not_reached, and extension_language_defn::language.

Referenced by _initialize_auto_load(), gdbscm_set_breakpoint_stop_x(), local_setattro(), mi_cmd_list_features(), and source_section_scripts().

get_ext_lang_of_file()

const struct extension_language_defn* get_ext_lang_of_file

(

const char *

file

)

Definition at line 152 of file extension.c.

References ALL_EXTENSION_LANGUAGES, has_extension(), and extension_language_defn::suffix.

Referenced by source_script_from_stream().

get_xmethod_arg_types()

struct type** get_xmethod_arg_types	(	struct xmethod_worker *	worker,
		int *	nargs
	)

Definition at line 949 of file extension.c.

References _, extension_language_defn::capitalized_name, error(), EXT_LANG_RC_ERROR, xmethod_worker::extlang, gdb_assert, extension_language_ops::get_xmethod_arg_types, and extension_language_defn::ops.

Referenced by find_oload_champ().

get_xmethod_result_type()

struct type* get_xmethod_result_type	(	struct xmethod_worker *	worker,
		struct value *	object,
		struct value **	args,
		int	nargs
	)

Definition at line 972 of file extension.c.

References _, extension_language_defn::capitalized_name, error(), EXT_LANG_RC_ERROR, xmethod_worker::extlang, gdb_assert, extension_language_ops::get_xmethod_arg_types, extension_language_ops::get_xmethod_result_type, and extension_language_defn::ops.

Referenced by result_type_of_xmethod().

has_extension()

static int has_extension ( const char *  file, const char *  extension  )

static

Definition at line 138 of file extension.c.

Referenced by get_ext_lang_of_file().

install_gdb_sigint_handler()

static void install_gdb_sigint_handler ( struct signal_handler *  previous )

static

Definition at line 708 of file extension.c.

References handle_sigint(), signal_handler::handler, and signal_handler::handler_saved.

Referenced by set_active_ext_lang().

install_sigint_handler()

static void install_sigint_handler ( const struct signal_handler *  handler_state )

static

Definition at line 695 of file extension.c.

References gdb_assert, signal_handler::handler, and signal_handler::handler_saved.

Referenced by restore_active_ext_lang().

invoke_xmethod()

struct value* invoke_xmethod	(	struct xmethod_worker *	worker,
		struct value *	obj,
		struct value **	args,
		int	nargs
	)

Definition at line 998 of file extension.c.

References xmethod_worker::extlang, gdb_assert, extension_language_ops::invoke_xmethod, and extension_language_defn::ops.

Referenced by call_xmethod().

new_xmethod_worker()

struct xmethod_worker* new_xmethod_worker	(	const struct extension_language_defn *	extlang,
		void *	data
	)

Definition at line 865 of file extension.c.

References xmethod_worker::data, xmethod_worker::extlang, xmethod_worker::value, and XCNEW.

Referenced by clone_xmethod_worker(), and new_python_xmethod_worker().

preserve_ext_lang_values()

void preserve_ext_lang_values	(	struct objfile *	objfile,
		htab_t	copied_types
	)

Definition at line 592 of file extension.c.

References ALL_ENABLED_EXTENSION_LANGUAGES, extension_language_defn::ops, and extension_language_ops::preserve_values.

Referenced by preserve_values().

restore_active_ext_lang()

void restore_active_ext_lang

(

struct active_ext_lang_state *

previous

)

Definition at line 775 of file extension.c.

References active_ext_lang, check_quit_flag(), active_ext_lang_state::ext_lang, signal_handler::handler_saved, install_sigint_handler(), target_terminal::is_ours(), set_quit_flag(), active_ext_lang_state::sigint_handler, and xfree().

Referenced by finalize_python(), and gdbpy_enter::~gdbpy_enter().

set_active_ext_lang()

struct active_ext_lang_state* set_active_ext_lang

(

const struct extension_language_defn *

now_active

)

Definition at line 744 of file extension.c.

References active_ext_lang, extension_language_ops::check_quit_flag, check_quit_flag(), active_ext_lang_state::ext_lang, EXT_LANG_GDB, signal_handler::handler_saved, install_gdb_sigint_handler(), target_terminal::is_ours(), extension_language_defn::language, extension_language_defn::ops, set_quit_flag(), active_ext_lang_state::sigint_handler, and XCNEW.

Referenced by finalize_python(), and gdbpy_enter::gdbpy_enter().

set_quit_flag()

void set_quit_flag

(

void

)

Set the quit flag.

Definition at line 804 of file extension.c.

References active_ext_lang, extension_language_defn::ops, quit_flag, quit_serial_event_set(), and extension_language_ops::set_quit_flag.

Referenced by handle_sigint(), handle_sigterm(), readchar(), remote_fileio_request(), remote_serial_write(), restore_active_ext_lang(), and set_active_ext_lang().

source_gdb_objfile_script()

static void source_gdb_objfile_script ( const struct extension_language_defn *  extlang, struct objfile *  objfile, FILE *  stream, const char *  file  )

static

Definition at line 215 of file extension.c.

References script_from_file().

source_gdb_script()

static void source_gdb_script ( const struct extension_language_defn *  extlang, FILE *  stream, const char *  file  )

static

Definition at line 206 of file extension.c.

References script_from_file().

start_ext_lang_type_printers()

struct ext_lang_type_printers* start_ext_lang_type_printers

(

void

)

Definition at line 409 of file extension.c.

References ALL_ENABLED_EXTENSION_LANGUAGES, extension_language_defn::ops, extension_language_ops::start_type_printers, and XCNEW.

Referenced by create_global_typedef_table().

throw_ext_lang_unsupported()

void throw_ext_lang_unsupported

(

const struct extension_language_defn *

extlang

)

Definition at line 194 of file extension.c.

References _, error(), and ext_lang_capitalized_name().

Referenced by eval_ext_lang_from_control_command(), and source_script_from_stream().

VEC()

VEC

(

xmethod_worker_ptr

)

Definition at line 905 of file extension.c.

References _, ALL_ENABLED_EXTENSION_LANGUAGES, extension_language_defn::capitalized_name, error(), EXT_LANG_RC_ERROR, free_xmethod_worker_vec(), extension_language_ops::get_matching_xmethod_workers, extension_language_defn::ops, VEC(), VEC_free, and VEC_merge.

Referenced by free_xmethod_worker_vec(), and VEC().

Variable Documentation

active_ext_lang

const struct extension_language_defn* active_ext_lang = &extension_language_gdb

static

Definition at line 682 of file extension.c.

Referenced by get_active_ext_lang(), restore_active_ext_lang(), set_active_ext_lang(), and set_quit_flag().

extension_language_gdb

const struct extension_language_defn extension_language_gdb

Initial value:

=
{
  EXT_LANG_GDB,
  "gdb",
  "GDB",

  
  ".gdb",
  "-gdb.gdb",

  
  commands_control,

  &extension_language_gdb_script_ops,

  
  NULL
}

Definition at line 69 of file extension.c.

Referenced by auto_load_ext_lang_scripts_for_objfile(), get_ext_lang_defn(), and info_auto_load_gdb_scripts().

extension_language_gdb_script_ops

const struct extension_language_script_ops extension_language_gdb_script_ops

static

Initial value:

=
{
  source_gdb_script,
  source_gdb_objfile_script,
  NULL, 
  auto_load_gdb_scripts_enabled
}

Definition at line 61 of file extension.c.

extension_languages

const struct extension_language_defn* const extension_languages[]

static

Initial value:

=
{
  
  &extension_language_python,
  &extension_language_guile,
  NULL
}

Definition at line 102 of file extension.c.

quit_flag

int quit_flag

static

Definition at line 674 of file extension.c.

Referenced by check_quit_flag(), putpkt_binary(), and set_quit_flag().

source_gdb_objfile_script

objfile_script_sourcer_func source_gdb_objfile_script

static

Definition at line 55 of file extension.c.

source_gdb_script

script_sourcer_func source_gdb_script

static

Definition at line 54 of file extension.c.