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Classes | Enumerations | Functions | Variables
/tmp/gdb-8.1/gdb/break-catch-throw.c File Reference
#include "defs.h"
#include "arch-utils.h"
#include <ctype.h>
#include "breakpoint.h"
#include "gdbcmd.h"
#include "inferior.h"
#include "annotate.h"
#include "valprint.h"
#include "cli/cli-utils.h"
#include "completer.h"
#include "gdb_obstack.h"
#include "mi/mi-common.h"
#include "linespec.h"
#include "probe.h"
#include "objfiles.h"
#include "cp-abi.h"
#include "gdb_regex.h"
#include "cp-support.h"
#include "location.h"

Go to the source code of this file.

Classes

struct  exception_names
 
struct  exception_catchpoint
 

Enumerations

enum  exception_event_kind {
  EX_EVENT_THROW, EX_EVENT_RETHROW, EX_EVENT_CATCH, EX_EVENT_THROW,
  EX_EVENT_RETHROW, EX_EVENT_CATCH
}
 

Functions

static void fetch_probe_arguments (struct value **arg0, struct value **arg1)
 
static enum exception_event_kind classify_exception_breakpoint (struct breakpoint *b)
 
static void check_status_exception_catchpoint (struct bpstats *bs)
 
static void re_set_exception_catchpoint (struct breakpoint *self)
 
static enum print_stop_action print_it_exception_catchpoint (bpstat bs)
 
static void print_one_exception_catchpoint (struct breakpoint *b, struct bp_location **last_loc)
 
static void print_one_detail_exception_catchpoint (const struct breakpoint *b, struct ui_out *uiout)
 
static void print_mention_exception_catchpoint (struct breakpoint *b)
 
static void print_recreate_exception_catchpoint (struct breakpoint *b, struct ui_file *fp)
 
static void handle_gnu_v3_exceptions (int tempflag, std::string &&except_rx, const char *cond_string, enum exception_event_kind ex_event, int from_tty)
 
static std::string extract_exception_regexp (const char **string)
 
static void catch_exception_command_1 (enum exception_event_kind ex_event, const char *arg, int tempflag, int from_tty)
 
static void catch_catch_command (const char *arg, int from_tty, struct cmd_list_element *command)
 
static void catch_throw_command (const char *arg, int from_tty, struct cmd_list_element *command)
 
static void catch_rethrow_command (const char *arg, int from_tty, struct cmd_list_element *command)
 
static struct value * compute_exception (struct gdbarch *argc, struct internalvar *var, void *ignore)
 
static void initialize_throw_catchpoint_ops (void)
 
void _initialize_break_catch_throw (void)
 

Variables

static const struct exception_names exception_functions []
 
static struct breakpoint_ops gnu_v3_exception_catchpoint_ops
 
static const struct internalvar_funcs exception_funcs
 

Enumeration Type Documentation

◆ exception_event_kind

enum exception_event_kind
Enumerator
EX_EVENT_THROW 
EX_EVENT_RETHROW 
EX_EVENT_CATCH 
EX_EVENT_THROW 
EX_EVENT_RETHROW 
EX_EVENT_CATCH 

Definition at line 41 of file break-catch-throw.c.

Function Documentation

◆ _initialize_break_catch_throw()

void _initialize_break_catch_throw ( void  )

Definition at line 542 of file break-catch-throw.c.

References _, add_catch_command(), catch_catch_command(), CATCH_PERMANENT, catch_rethrow_command(), CATCH_TEMPORARY, catch_throw_command(), create_internalvar_type_lazy(), exception_funcs, and initialize_throw_catchpoint_ops().

◆ catch_catch_command()

static void catch_catch_command ( const char *  arg,
int  from_tty,
struct cmd_list_element *  command 
)
static

Definition at line 461 of file break-catch-throw.c.

References catch_exception_command_1(), CATCH_TEMPORARY, EX_EVENT_CATCH, and get_cmd_context().

Referenced by _initialize_break_catch_throw().

◆ catch_exception_command_1()

static void catch_exception_command_1 ( enum exception_event_kind  ex_event,
const char *  arg,
int  tempflag,
int  from_tty 
)
static

Definition at line 432 of file break-catch-throw.c.

References _, ep_parse_optional_if_clause(), error(), EX_EVENT_CATCH, EX_EVENT_RETHROW, EX_EVENT_THROW, extract_exception_regexp(), handle_gnu_v3_exceptions(), skip_spaces(), and string.

Referenced by catch_catch_command(), catch_rethrow_command(), and catch_throw_command().

◆ catch_rethrow_command()

static void catch_rethrow_command ( const char *  arg,
int  from_tty,
struct cmd_list_element *  command 
)
static

Definition at line 483 of file break-catch-throw.c.

References catch_exception_command_1(), CATCH_TEMPORARY, EX_EVENT_RETHROW, and get_cmd_context().

Referenced by _initialize_break_catch_throw().

◆ catch_throw_command()

static void catch_throw_command ( const char *  arg,
int  from_tty,
struct cmd_list_element *  command 
)
static

Definition at line 472 of file break-catch-throw.c.

References catch_exception_command_1(), CATCH_TEMPORARY, EX_EVENT_THROW, and get_cmd_context().

Referenced by _initialize_break_catch_throw().

◆ check_status_exception_catchpoint()

static void check_status_exception_catchpoint ( struct bpstats *  bs)
static

Definition at line 144 of file break-catch-throw.c.

References bkpt_breakpoint_ops, bpstats::breakpoint_at, CATCH, breakpoint_ops::check_status, cp_canonicalize_string(), cplus_typename_from_type_info(), END_CATCH, exception_print(), fetch_probe_arguments(), gdb_stderr, RETURN_MASK_ERROR, bpstats::stop, string, and TRY.

Referenced by initialize_throw_catchpoint_ops().

◆ classify_exception_breakpoint()

static enum exception_event_kind classify_exception_breakpoint ( struct breakpoint *  b)
static

Definition at line 134 of file break-catch-throw.c.

References exception_catchpoint::kind.

Referenced by print_it_exception_catchpoint(), print_mention_exception_catchpoint(), print_one_exception_catchpoint(), print_recreate_exception_catchpoint(), and re_set_exception_catchpoint().

◆ compute_exception()

static struct value* compute_exception ( struct gdbarch *  argc,
struct internalvar *  var,
void *  ignore 
)
static

Definition at line 497 of file break-catch-throw.c.

References cplus_type_from_type_info(), fetch_probe_arguments(), make_pointer_type(), value_cast(), and value_ind().

◆ extract_exception_regexp()

static std::string extract_exception_regexp ( const char **  string)
static

Definition at line 400 of file break-catch-throw.c.

References check_for_argument(), skip_spaces(), skip_to_space(), and string.

Referenced by catch_exception_command_1().

◆ fetch_probe_arguments()

static void fetch_probe_arguments ( struct value **  arg0,
struct value **  arg1 
)
static

Definition at line 101 of file break-catch-throw.c.

References _, error(), probe::evaluate_argument(), find_probe_by_pc(), probe::get_argument_count(), get_frame_pc(), probe::get_name(), probe::get_provider(), get_selected_frame(), and bound_probe::prob.

Referenced by check_status_exception_catchpoint(), and compute_exception().

◆ handle_gnu_v3_exceptions()

static void handle_gnu_v3_exceptions ( int  tempflag,
std::string &&  except_rx,
const char *  cond_string,
enum exception_event_kind  ex_event,
int  from_tty 
)
static

Definition at line 361 of file break-catch-throw.c.

References _, bp_breakpoint, get_current_arch(), gnu_v3_exception_catchpoint_ops, init_catchpoint(), install_breakpoint(), and re_set_exception_catchpoint().

Referenced by catch_exception_command_1().

◆ initialize_throw_catchpoint_ops()

static void initialize_throw_catchpoint_ops ( void  )
static

Definition at line 523 of file break-catch-throw.c.

References bkpt_breakpoint_ops, breakpoint_ops::check_status, check_status_exception_catchpoint(), gnu_v3_exception_catchpoint_ops, initialize_breakpoint_ops(), breakpoint_ops::print_it, print_it_exception_catchpoint(), breakpoint_ops::print_mention, print_mention_exception_catchpoint(), breakpoint_ops::print_one, breakpoint_ops::print_one_detail, print_one_detail_exception_catchpoint(), print_one_exception_catchpoint(), breakpoint_ops::print_recreate, print_recreate_exception_catchpoint(), breakpoint_ops::re_set, and re_set_exception_catchpoint().

Referenced by _initialize_break_catch_throw().

◆ print_it_exception_catchpoint()

static enum print_stop_action print_it_exception_catchpoint ( bpstat  bs)
static

Definition at line 228 of file break-catch-throw.c.

References annotate_catchpoint(), async_reason_lookup(), bpdisp_text(), bpstats::breakpoint_at, classify_exception_breakpoint(), current_uiout, disp_del, breakpoint::disposition, EX_EVENT_CATCH, EX_EVENT_THROW, EXEC_ASYNC_BREAKPOINT_HIT, ui_out::field_int(), ui_out::field_string(), ui_out::is_mi_like_p(), maybe_print_thread_hit_breakpoint(), breakpoint::number, PRINT_SRC_AND_LOC, and ui_out::text().

Referenced by initialize_throw_catchpoint_ops().

◆ print_mention_exception_catchpoint()

static void print_mention_exception_catchpoint ( struct breakpoint *  b)
static

Definition at line 318 of file break-catch-throw.c.

References _, classify_exception_breakpoint(), current_uiout, disp_del, breakpoint::disposition, EX_EVENT_CATCH, EX_EVENT_THROW, ui_out::field_int(), breakpoint::number, and ui_out::text().

Referenced by initialize_throw_catchpoint_ops().

◆ print_one_detail_exception_catchpoint()

static void print_one_detail_exception_catchpoint ( const struct breakpoint *  b,
struct ui_out *  uiout 
)
static

Definition at line 303 of file break-catch-throw.c.

References _, exception_catchpoint::exception_rx, ui_out::field_string(), and ui_out::text().

Referenced by initialize_throw_catchpoint_ops().

◆ print_one_exception_catchpoint()

static void print_one_exception_catchpoint ( struct breakpoint *  b,
struct bp_location **  last_loc 
)
static

Definition at line 257 of file break-catch-throw.c.

References bp_location::address, value_print_options::addressprint, annotate_field(), classify_exception_breakpoint(), current_uiout, EX_EVENT_CATCH, EX_EVENT_RETHROW, EX_EVENT_THROW, ui_out::field_core_addr(), ui_out::field_string(), bp_location::gdbarch, get_user_print_options(), ui_out::is_mi_like_p(), breakpoint::loc, and bp_location::shlib_disabled.

Referenced by initialize_throw_catchpoint_ops().

◆ print_recreate_exception_catchpoint()

static void print_recreate_exception_catchpoint ( struct breakpoint *  b,
struct ui_file *  fp 
)
static

Definition at line 337 of file break-catch-throw.c.

References classify_exception_breakpoint(), disp_del, breakpoint::disposition, EX_EVENT_CATCH, EX_EVENT_RETHROW, EX_EVENT_THROW, fprintf_unfiltered(), and print_recreate_thread().

Referenced by initialize_throw_catchpoint_ops().

◆ re_set_exception_catchpoint()

static void re_set_exception_catchpoint ( struct breakpoint *  self)
static

Definition at line 185 of file break-catch-throw.c.

References CATCH, classify_exception_breakpoint(), current_program_space, END_CATCH, exception_functions, explicit_location::function_name, initialize_explicit_location(), new_explicit_location(), new_probe_location(), NOT_FOUND_ERROR, parse_probes(), RETURN_MASK_ERROR, throw_exception(), TRY, and update_breakpoint_locations().

Referenced by handle_gnu_v3_exceptions(), and initialize_throw_catchpoint_ops().

Variable Documentation

◆ exception_funcs

const struct internalvar_funcs exception_funcs
static
Initial value:
=
{
compute_exception,
NULL,
NULL
}
compute_exception
static struct value * compute_exception(struct gdbarch *argc, struct internalvar *var, void *ignore)
Definition: break-catch-throw.c:497

Definition at line 513 of file break-catch-throw.c.

Referenced by _initialize_break_catch_throw().

◆ exception_functions

const struct exception_names exception_functions[]
static
Initial value:
=
{
{ "-probe-stap libstdcxx:throw", "__cxa_throw" },
{ "-probe-stap libstdcxx:rethrow", "__cxa_rethrow" },
{ "-probe-stap libstdcxx:catch", "__cxa_begin_catch" }
}

Definition at line 66 of file break-catch-throw.c.

Referenced by re_set_exception_catchpoint().

◆ gnu_v3_exception_catchpoint_ops

struct breakpoint_ops gnu_v3_exception_catchpoint_ops
static

Definition at line 73 of file break-catch-throw.c.

Referenced by handle_gnu_v3_exceptions(), and initialize_throw_catchpoint_ops().

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