/* Annotation routines for GDB. Copyright (C) 1986-2016 Free Software Foundation, Inc. This file is part of GDB. This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 3 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program. If not, see <http://www.gnu.org/licenses/>. */ #include "defs.h" #include "annotate.h" #include "value.h" #include "target.h" #include "gdbtypes.h" #include "breakpoint.h" #include "observer.h" #include "inferior.h" #include "infrun.h" /* Prototypes for local functions. */ extern void _initialize_annotate (void); static void print_value_flags (struct type *); static void breakpoint_changed (struct breakpoint *b); void (*deprecated_annotate_signalled_hook) (void); void (*deprecated_annotate_signal_hook) (void); /* Booleans indicating whether we've emitted certain notifications. Used to suppress useless repeated notifications until the next time we're ready to accept more commands. Reset whenever a prompt is displayed. */ static int frames_invalid_emitted; static int breakpoints_invalid_emitted; /* True if the target can async, and a synchronous execution command is not in progress. If true, input is accepted, so don't suppress annotations. */ static int async_background_execution_p (void) { return (target_can_async_p () && !sync_execution); } static void print_value_flags (struct type *t) { if (can_dereference (t)) printf_filtered (("*")); else printf_filtered (("-")); } static void annotate_breakpoints_invalid (void) { if (annotation_level == 2 && (!breakpoints_invalid_emitted || async_background_execution_p ())) { /* If the inferior owns the terminal (e.g., we're resuming), make sure to leave with the inferior still owning it. */ int was_inferior = target_terminal_is_inferior (); target_terminal_ours_for_output (); printf_unfiltered (("\n\032\032breakpoints-invalid\n")); if (was_inferior) target_terminal_inferior (); breakpoints_invalid_emitted = 1; } } void annotate_breakpoint (int num) { if (annotation_level > 1) printf_filtered (("\n\032\032breakpoint %d\n"), num); } void annotate_catchpoint (int num) { if (annotation_level > 1) printf_filtered (("\n\032\032catchpoint %d\n"), num); } void annotate_watchpoint (int num) { if (annotation_level > 1) printf_filtered (("\n\032\032watchpoint %d\n"), num); } void annotate_starting (void) { if (annotation_level > 1) printf_filtered (("\n\032\032starting\n")); } void annotate_stopped (void) { if (annotation_level > 1) printf_filtered (("\n\032\032stopped\n")); } void annotate_exited (int exitstatus) { if (annotation_level > 1) printf_filtered (("\n\032\032exited %d\n"), exitstatus); } void annotate_signalled (void) { if (deprecated_annotate_signalled_hook) deprecated_annotate_signalled_hook (); if (annotation_level > 1) printf_filtered (("\n\032\032signalled\n")); } void annotate_signal_name (void) { if (annotation_level == 2) printf_filtered (("\n\032\032signal-name\n")); } void annotate_signal_name_end (void) { if (annotation_level == 2) printf_filtered (("\n\032\032signal-name-end\n")); } void annotate_signal_string (void) { if (annotation_level == 2) printf_filtered (("\n\032\032signal-string\n")); } void annotate_signal_string_end (void) { if (annotation_level == 2) printf_filtered (("\n\032\032signal-string-end\n")); } void annotate_signal (void) { if (deprecated_annotate_signal_hook) deprecated_annotate_signal_hook (); if (annotation_level > 1) printf_filtered (("\n\032\032signal\n")); } void annotate_breakpoints_headers (void) { if (annotation_level == 2) printf_filtered (("\n\032\032breakpoints-headers\n")); } void annotate_field (int num) { if (annotation_level == 2) printf_filtered (("\n\032\032field %d\n"), num); } void annotate_breakpoints_table (void) { if (annotation_level == 2) printf_filtered (("\n\032\032breakpoints-table\n")); } void annotate_record (void) { if (annotation_level == 2) printf_filtered (("\n\032\032record\n")); } void annotate_breakpoints_table_end (void) { if (annotation_level == 2) printf_filtered (("\n\032\032breakpoints-table-end\n")); } void annotate_frames_invalid (void) { if (annotation_level == 2 && (!frames_invalid_emitted || async_background_execution_p ())) { /* If the inferior owns the terminal (e.g., we're resuming), make sure to leave with the inferior still owning it. */ int was_inferior = target_terminal_is_inferior (); target_terminal_ours_for_output (); printf_unfiltered (("\n\032\032frames-invalid\n")); if (was_inferior) target_terminal_inferior (); frames_invalid_emitted = 1; } } void annotate_new_thread (void) { if (annotation_level > 1) { printf_unfiltered (("\n\032\032new-thread\n")); } } void annotate_thread_changed (void) { if (annotation_level > 1) { printf_unfiltered (("\n\032\032thread-changed\n")); } } void annotate_field_begin (struct type *type) { if (annotation_level == 2) { printf_filtered (("\n\032\032field-begin ")); print_value_flags (type); printf_filtered (("\n")); } } void annotate_field_name_end (void) { if (annotation_level == 2) printf_filtered (("\n\032\032field-name-end\n")); } void annotate_field_value (void) { if (annotation_level == 2) printf_filtered (("\n\032\032field-value\n")); } void annotate_field_end (void) { if (annotation_level == 2) printf_filtered (("\n\032\032field-end\n")); } void annotate_quit (void) { if (annotation_level > 1) printf_filtered (("\n\032\032quit\n")); } void annotate_error (void) { if (annotation_level > 1) printf_filtered (("\n\032\032error\n")); } void annotate_error_begin (void) { if (annotation_level > 1) fprintf_filtered (gdb_stderr, "\n\032\032error-begin\n"); } void annotate_value_history_begin (int histindex, struct type *type) { if (annotation_level == 2) { printf_filtered (("\n\032\032value-history-begin %d "), histindex); print_value_flags (type); printf_filtered (("\n")); } } void annotate_value_begin (struct type *type) { if (annotation_level == 2) { printf_filtered (("\n\032\032value-begin ")); print_value_flags (type); printf_filtered (("\n")); } } void annotate_value_history_value (void) { if (annotation_level == 2) printf_filtered (("\n\032\032value-history-value\n")); } void annotate_value_history_end (void) { if (annotation_level == 2) printf_filtered (("\n\032\032value-history-end\n")); } void annotate_value_end (void) { if (annotation_level == 2) printf_filtered (("\n\032\032value-end\n")); } void annotate_display_begin (void) { if (annotation_level == 2) printf_filtered (("\n\032\032display-begin\n")); } void annotate_display_number_end (void) { if (annotation_level == 2) printf_filtered (("\n\032\032display-number-end\n")); } void annotate_display_format (void) { if (annotation_level == 2) printf_filtered (("\n\032\032display-format\n")); } void annotate_display_expression (void) { if (annotation_level == 2) printf_filtered (("\n\032\032display-expression\n")); } void annotate_display_expression_end (void) { if (annotation_level == 2) printf_filtered (("\n\032\032display-expression-end\n")); } void annotate_display_value (void) { if (annotation_level == 2) printf_filtered (("\n\032\032display-value\n")); } void annotate_display_end (void) { if (annotation_level == 2) printf_filtered (("\n\032\032display-end\n")); } void annotate_arg_begin (void) { if (annotation_level == 2) printf_filtered (("\n\032\032arg-begin\n")); } void annotate_arg_name_end (void) { if (annotation_level == 2) printf_filtered (("\n\032\032arg-name-end\n")); } void annotate_arg_value (struct type *type) { if (annotation_level == 2) { printf_filtered (("\n\032\032arg-value ")); print_value_flags (type); printf_filtered (("\n")); } } void annotate_arg_end (void) { if (annotation_level == 2) printf_filtered (("\n\032\032arg-end\n")); } void annotate_source (char *filename, int line, int character, int mid, struct gdbarch *gdbarch, CORE_ADDR pc) { if (annotation_level > 1) printf_filtered (("\n\032\032source ")); else printf_filtered (("\032\032")); printf_filtered (("%s:%d:%d:%s:%s\n"), filename, line, character, mid ? "middle" : "beg", paddress (gdbarch, pc)); } void annotate_frame_begin (int level, struct gdbarch *gdbarch, CORE_ADDR pc) { if (annotation_level > 1) printf_filtered (("\n\032\032frame-begin %d %s\n"), level, paddress (gdbarch, pc)); } void annotate_function_call (void) { if (annotation_level == 2) printf_filtered (("\n\032\032function-call\n")); } void annotate_signal_handler_caller (void) { if (annotation_level == 2) printf_filtered (("\n\032\032signal-handler-caller\n")); } void annotate_frame_address (void) { if (annotation_level == 2) printf_filtered (("\n\032\032frame-address\n")); } void annotate_frame_address_end (void) { if (annotation_level == 2) printf_filtered (("\n\032\032frame-address-end\n")); } void annotate_frame_function_name (void) { if (annotation_level == 2) printf_filtered (("\n\032\032frame-function-name\n")); } void annotate_frame_args (void) { if (annotation_level == 2) printf_filtered (("\n\032\032frame-args\n")); } void annotate_frame_source_begin (void) { if (annotation_level == 2) printf_filtered (("\n\032\032frame-source-begin\n")); } void annotate_frame_source_file (void) { if (annotation_level == 2) printf_filtered (("\n\032\032frame-source-file\n")); } void annotate_frame_source_file_end (void) { if (annotation_level == 2) printf_filtered (("\n\032\032frame-source-file-end\n")); } void annotate_frame_source_line (void) { if (annotation_level == 2) printf_filtered (("\n\032\032frame-source-line\n")); } void annotate_frame_source_end (void) { if (annotation_level == 2) printf_filtered (("\n\032\032frame-source-end\n")); } void annotate_frame_where (void) { if (annotation_level == 2) printf_filtered (("\n\032\032frame-where\n")); } void annotate_frame_end (void) { if (annotation_level == 2) printf_filtered (("\n\032\032frame-end\n")); } void annotate_array_section_begin (int idx, struct type *elttype) { if (annotation_level == 2) { printf_filtered (("\n\032\032array-section-begin %d "), idx); print_value_flags (elttype); printf_filtered (("\n")); } } void annotate_elt_rep (unsigned int repcount) { if (annotation_level == 2) printf_filtered (("\n\032\032elt-rep %u\n"), repcount); } void annotate_elt_rep_end (void) { if (annotation_level == 2) printf_filtered (("\n\032\032elt-rep-end\n")); } void annotate_elt (void) { if (annotation_level == 2) printf_filtered (("\n\032\032elt\n")); } void annotate_array_section_end (void) { if (annotation_level == 2) printf_filtered (("\n\032\032array-section-end\n")); } /* Called when GDB is about to display the prompt. Used to reset annotation suppression whenever we're ready to accept new frontend/user commands. */ void annotate_display_prompt (void) { frames_invalid_emitted = 0; breakpoints_invalid_emitted = 0; } static void breakpoint_changed (struct breakpoint *b) { if (b->number <= 0) return; annotate_breakpoints_invalid (); } void _initialize_annotate (void) { observer_attach_breakpoint_created (breakpoint_changed); observer_attach_breakpoint_deleted (breakpoint_changed); observer_attach_breakpoint_modified (breakpoint_changed); }