diff options
Diffstat (limited to 'gdb/breakpoint.c')
-rw-r--r-- | gdb/breakpoint.c | 260 |
1 files changed, 1 insertions, 259 deletions
diff --git a/gdb/breakpoint.c b/gdb/breakpoint.c index b0dd9b4..2757c6b 100644 --- a/gdb/breakpoint.c +++ b/gdb/breakpoint.c @@ -231,11 +231,6 @@ static void stopin_command (char *arg, int from_tty); static void stopat_command (char *arg, int from_tty); -static char *ep_parse_optional_if_clause (char **arg); - -static void catch_exception_command_1 (enum exception_event_kind ex_event, - char *arg, int tempflag, int from_tty); - static void tcatch_command (char *arg, int from_tty); static void detach_single_step_breakpoints (void); @@ -11459,7 +11454,7 @@ until_break_command (char *arg, int from_tty, int anywhere) it updates arg to point to the first character following the parsed if clause in the arg string. */ -static char * +char * ep_parse_optional_if_clause (char **arg) { char *cond_string; @@ -11572,232 +11567,6 @@ catch_exec_command_1 (char *arg, int from_tty, install_breakpoint (0, &c->base, 1); } -/* A helper function that returns a value indicating the kind of the - exception catchpoint B. */ - -static enum exception_event_kind -classify_exception_breakpoint (struct breakpoint *b) -{ - if (strstr (b->addr_string, "catch") != NULL) - return EX_EVENT_CATCH; - else if (strstr (b->addr_string, "rethrow") != NULL) - return EX_EVENT_RETHROW; - else - return EX_EVENT_THROW; -} - -static enum print_stop_action -print_it_exception_catchpoint (bpstat bs) -{ - struct ui_out *uiout = current_uiout; - struct breakpoint *b = bs->breakpoint_at; - int bp_temp; - enum exception_event_kind kind = classify_exception_breakpoint (b); - - annotate_catchpoint (b->number); - - if (b->loc->address != b->loc->requested_address) - breakpoint_adjustment_warning (b->loc->requested_address, - b->loc->address, - b->number, 1); - bp_temp = b->disposition == disp_del; - ui_out_text (uiout, - bp_temp ? "Temporary catchpoint " - : "Catchpoint "); - if (!ui_out_is_mi_like_p (uiout)) - ui_out_field_int (uiout, "bkptno", b->number); - ui_out_text (uiout, - (kind == EX_EVENT_THROW ? " (exception thrown), " - : (kind == EX_EVENT_CATCH ? " (exception caught), " - : " (exception rethrown), "))); - if (ui_out_is_mi_like_p (uiout)) - { - ui_out_field_string (uiout, "reason", - async_reason_lookup (EXEC_ASYNC_BREAKPOINT_HIT)); - ui_out_field_string (uiout, "disp", bpdisp_text (b->disposition)); - ui_out_field_int (uiout, "bkptno", b->number); - } - return PRINT_SRC_AND_LOC; -} - -static void -print_one_exception_catchpoint (struct breakpoint *b, - struct bp_location **last_loc) -{ - struct value_print_options opts; - struct ui_out *uiout = current_uiout; - enum exception_event_kind kind = classify_exception_breakpoint (b); - - get_user_print_options (&opts); - if (opts.addressprint) - { - annotate_field (4); - if (b->loc == NULL || b->loc->shlib_disabled) - ui_out_field_string (uiout, "addr", "<PENDING>"); - else - ui_out_field_core_addr (uiout, "addr", - b->loc->gdbarch, b->loc->address); - } - annotate_field (5); - if (b->loc) - *last_loc = b->loc; - - switch (kind) - { - case EX_EVENT_THROW: - ui_out_field_string (uiout, "what", "exception throw"); - if (ui_out_is_mi_like_p (uiout)) - ui_out_field_string (uiout, "catch-type", "throw"); - break; - - case EX_EVENT_RETHROW: - ui_out_field_string (uiout, "what", "exception rethrow"); - if (ui_out_is_mi_like_p (uiout)) - ui_out_field_string (uiout, "catch-type", "rethrow"); - break; - - case EX_EVENT_CATCH: - ui_out_field_string (uiout, "what", "exception catch"); - if (ui_out_is_mi_like_p (uiout)) - ui_out_field_string (uiout, "catch-type", "catch"); - break; - } -} - -static void -print_mention_exception_catchpoint (struct breakpoint *b) -{ - struct ui_out *uiout = current_uiout; - int bp_temp; - enum exception_event_kind kind = classify_exception_breakpoint (b); - - bp_temp = b->disposition == disp_del; - ui_out_text (uiout, bp_temp ? _("Temporary catchpoint ") - : _("Catchpoint ")); - ui_out_field_int (uiout, "bkptno", b->number); - ui_out_text (uiout, (kind == EX_EVENT_THROW ? _(" (throw)") - : (kind == EX_EVENT_CATCH ? _(" (catch)") - : _(" (rethrow)")))); -} - -/* Implement the "print_recreate" breakpoint_ops method for throw and - catch catchpoints. */ - -static void -print_recreate_exception_catchpoint (struct breakpoint *b, - struct ui_file *fp) -{ - int bp_temp; - enum exception_event_kind kind = classify_exception_breakpoint (b); - - bp_temp = b->disposition == disp_del; - fprintf_unfiltered (fp, bp_temp ? "tcatch " : "catch "); - switch (kind) - { - case EX_EVENT_THROW: - fprintf_unfiltered (fp, "throw"); - break; - case EX_EVENT_CATCH: - fprintf_unfiltered (fp, "catch"); - break; - case EX_EVENT_RETHROW: - fprintf_unfiltered (fp, "rethrow"); - break; - } - print_recreate_thread (b, fp); -} - -static struct breakpoint_ops gnu_v3_exception_catchpoint_ops; - -static int -handle_gnu_v3_exceptions (int tempflag, char *cond_string, - enum exception_event_kind ex_event, int from_tty) -{ - char *trigger_func_name; - - if (ex_event == EX_EVENT_CATCH) - trigger_func_name = "__cxa_begin_catch"; - else if (ex_event == EX_EVENT_RETHROW) - trigger_func_name = "__cxa_rethrow"; - else - { - gdb_assert (ex_event == EX_EVENT_THROW); - trigger_func_name = "__cxa_throw"; - } - - create_breakpoint (get_current_arch (), - trigger_func_name, cond_string, -1, NULL, - 0 /* condition and thread are valid. */, - tempflag, bp_breakpoint, - 0, - AUTO_BOOLEAN_TRUE /* pending */, - &gnu_v3_exception_catchpoint_ops, from_tty, - 1 /* enabled */, - 0 /* internal */, - 0); - - return 1; -} - -/* Deal with "catch catch" and "catch throw" commands. */ - -static void -catch_exception_command_1 (enum exception_event_kind ex_event, char *arg, - int tempflag, int from_tty) -{ - char *cond_string = NULL; - - if (!arg) - arg = ""; - arg = skip_spaces (arg); - - cond_string = ep_parse_optional_if_clause (&arg); - - if ((*arg != '\0') && !isspace (*arg)) - error (_("Junk at end of arguments.")); - - if (ex_event != EX_EVENT_THROW - && ex_event != EX_EVENT_CATCH - && ex_event != EX_EVENT_RETHROW) - error (_("Unsupported or unknown exception event; cannot catch it")); - - if (handle_gnu_v3_exceptions (tempflag, cond_string, ex_event, from_tty)) - return; - - warning (_("Unsupported with this platform/compiler combination.")); -} - -/* Implementation of "catch catch" command. */ - -static void -catch_catch_command (char *arg, int from_tty, struct cmd_list_element *command) -{ - int tempflag = get_cmd_context (command) == CATCH_TEMPORARY; - - catch_exception_command_1 (EX_EVENT_CATCH, arg, tempflag, from_tty); -} - -/* Implementation of "catch throw" command. */ - -static void -catch_throw_command (char *arg, int from_tty, struct cmd_list_element *command) -{ - int tempflag = get_cmd_context (command) == CATCH_TEMPORARY; - - catch_exception_command_1 (EX_EVENT_THROW, arg, tempflag, from_tty); -} - -/* Implementation of "catch rethrow" command. */ - -static void -catch_rethrow_command (char *arg, int from_tty, - struct cmd_list_element *command) -{ - int tempflag = get_cmd_context (command) == CATCH_TEMPORARY; - - catch_exception_command_1 (EX_EVENT_RETHROW, arg, tempflag, from_tty); -} - void init_ada_exception_breakpoint (struct breakpoint *b, struct gdbarch *gdbarch, @@ -15973,14 +15742,6 @@ initialize_breakpoint_ops (void) ops->create_sals_from_address = bkpt_probe_create_sals_from_address; ops->decode_linespec = bkpt_probe_decode_linespec; - /* GNU v3 exception catchpoints. */ - ops = &gnu_v3_exception_catchpoint_ops; - *ops = bkpt_breakpoint_ops; - ops->print_it = print_it_exception_catchpoint; - ops->print_one = print_one_exception_catchpoint; - ops->print_mention = print_mention_exception_catchpoint; - ops->print_recreate = print_recreate_exception_catchpoint; - /* Watchpoints. */ ops = &watchpoint_breakpoint_ops; *ops = base_breakpoint_ops; @@ -16396,25 +16157,6 @@ Set temporary catchpoints to catch events."), &tcatch_cmdlist, "tcatch ", 0/*allow-unknown*/, &cmdlist); - /* Add catch and tcatch sub-commands. */ - add_catch_command ("catch", _("\ -Catch an exception, when caught."), - catch_catch_command, - NULL, - CATCH_PERMANENT, - CATCH_TEMPORARY); - add_catch_command ("throw", _("\ -Catch an exception, when thrown."), - catch_throw_command, - NULL, - CATCH_PERMANENT, - CATCH_TEMPORARY); - add_catch_command ("rethrow", _("\ -Catch an exception, when rethrown."), - catch_rethrow_command, - NULL, - CATCH_PERMANENT, - CATCH_TEMPORARY); add_catch_command ("fork", _("Catch calls to fork."), catch_fork_command_1, NULL, |