/* MI Interpreter Definitions and Commands for GDB, the GNU debugger.
- Copyright 2002, 2003 Free Software Foundation, Inc.
+ Copyright (C) 2002-2005, 2007-2012 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 2 of the License, or
+ 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,
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, write to the Free Software
- Foundation, Inc., 59 Temple Place - Suite 330,
- Boston, MA 02111-1307, USA. */
+ along with this program. If not, see <http://www.gnu.org/licenses/>. */
#include "defs.h"
#include "gdb_string.h"
#include "inferior.h"
#include "ui-out.h"
#include "top.h"
-
+#include "exceptions.h"
#include "mi-main.h"
#include "mi-cmds.h"
#include "mi-out.h"
#include "mi-console.h"
+#include "mi-common.h"
+#include "observer.h"
+#include "gdbthread.h"
+#include "solist.h"
+#include "gdb.h"
+#include "objfiles.h"
-struct mi_interp
-{
- /* MI's output channels */
- struct ui_file *out;
- struct ui_file *err;
- struct ui_file *log;
- struct ui_file *targ;
- struct ui_file *event_channel;
-
- /* This is the interpreter for the mi... */
- struct interp *mi2_interp;
- struct interp *mi1_interp;
- struct interp *mi_interp;
-};
+/* These are the interpreter setup, etc. functions for the MI
+ interpreter. */
-/* These are the interpreter setup, etc. functions for the MI interpreter */
static void mi_execute_command_wrapper (char *cmd);
+static void mi_execute_command_input_handler (char *cmd);
static void mi_command_loop (int mi_version);
-static char *mi_input (char *);
/* These are hooks that we put in place while doing interpreter_exec
- so we can report interesting things that happened "behind the mi's
- back" in this command */
-static int mi_interp_query_hook (const char *ctlstr, va_list ap);
-static char *mi_interp_read_one_line_hook (char *prompt, int repeat,
- char *anno);
+ so we can report interesting things that happened "behind the MI's
+ back" in this command. */
+static int mi_interp_query_hook (const char *ctlstr, va_list ap)
+ ATTRIBUTE_PRINTF (1, 0);
+
+static void mi3_command_loop (void);
static void mi2_command_loop (void);
static void mi1_command_loop (void);
static void mi_insert_notify_hooks (void);
static void mi_remove_notify_hooks (void);
+static void mi_on_normal_stop (struct bpstats *bs, int print_frame);
+
+static void mi_new_thread (struct thread_info *t);
+static void mi_thread_exit (struct thread_info *t, int silent);
+static void mi_record_changed (struct inferior*, int);
+static void mi_inferior_added (struct inferior *inf);
+static void mi_inferior_appeared (struct inferior *inf);
+static void mi_inferior_exit (struct inferior *inf);
+static void mi_inferior_removed (struct inferior *inf);
+static void mi_on_resume (ptid_t ptid);
+static void mi_solib_loaded (struct so_list *solib);
+static void mi_solib_unloaded (struct so_list *solib);
+static void mi_about_to_proceed (void);
+static void mi_traceframe_changed (int tfnum, int tpnum);
+static void mi_tsv_created (const char *name, LONGEST value);
+static void mi_tsv_deleted (const char *name);
+static void mi_breakpoint_created (struct breakpoint *b);
+static void mi_breakpoint_deleted (struct breakpoint *b);
+static void mi_breakpoint_modified (struct breakpoint *b);
+static void mi_command_param_changed (const char *param, const char *value);
+static void mi_memory_changed (struct inferior *inf, CORE_ADDR memaddr,
+ ssize_t len, const bfd_byte *myaddr);
+
+static int report_initial_inferior (struct inferior *inf, void *closure);
static void *
-mi_interpreter_init (void)
+mi_interpreter_init (struct interp *interp, int top_level)
{
struct mi_interp *mi = XMALLOC (struct mi_interp);
+ const char *name;
+ int mi_version;
- /* Why is this a part of the mi architecture? */
-
- mi_setup_architecture_data ();
+ /* Assign the output channel created at startup to its own global,
+ so that we can create a console channel that encapsulates and
+ prefixes all gdb_output-type bits coming from the rest of the
+ debugger. */
- /* HACK: We need to force stdout/stderr to point at the console. This avoids
- any potential side effects caused by legacy code that is still
- using the TUI / fputs_unfiltered_hook. So we set up output channels for
- this now, and swap them in when we are run. */
+ raw_stdout = gdb_stdout;
- raw_stdout = stdio_fileopen (stdout);
-
- /* Create MI channels */
+ /* Create MI console channels, each with a different prefix so they
+ can be distinguished. */
mi->out = mi_console_file_new (raw_stdout, "~", '"');
mi->err = mi_console_file_new (raw_stdout, "&", '"');
mi->log = mi->err;
mi->targ = mi_console_file_new (raw_stdout, "@", '"');
mi->event_channel = mi_console_file_new (raw_stdout, "=", 0);
+ name = interp_name (interp);
+ /* INTERP_MI selects the most recent released version. "mi2" was
+ released as part of GDB 6.0. */
+ if (strcmp (name, INTERP_MI) == 0)
+ mi_version = 2;
+ else if (strcmp (name, INTERP_MI1) == 0)
+ mi_version = 1;
+ else if (strcmp (name, INTERP_MI2) == 0)
+ mi_version = 2;
+ else if (strcmp (name, INTERP_MI3) == 0)
+ mi_version = 3;
+ else
+ gdb_assert_not_reached ("unhandled MI version");
+
+ mi->uiout = mi_out_new (mi_version);
+
+ if (top_level)
+ {
+ observer_attach_new_thread (mi_new_thread);
+ observer_attach_thread_exit (mi_thread_exit);
+ observer_attach_inferior_added (mi_inferior_added);
+ observer_attach_inferior_appeared (mi_inferior_appeared);
+ observer_attach_inferior_exit (mi_inferior_exit);
+ observer_attach_inferior_removed (mi_inferior_removed);
+ observer_attach_record_changed (mi_record_changed);
+ observer_attach_normal_stop (mi_on_normal_stop);
+ observer_attach_target_resumed (mi_on_resume);
+ observer_attach_solib_loaded (mi_solib_loaded);
+ observer_attach_solib_unloaded (mi_solib_unloaded);
+ observer_attach_about_to_proceed (mi_about_to_proceed);
+ observer_attach_traceframe_changed (mi_traceframe_changed);
+ observer_attach_tsv_created (mi_tsv_created);
+ observer_attach_tsv_deleted (mi_tsv_deleted);
+ observer_attach_breakpoint_created (mi_breakpoint_created);
+ observer_attach_breakpoint_deleted (mi_breakpoint_deleted);
+ observer_attach_breakpoint_modified (mi_breakpoint_modified);
+ observer_attach_command_param_changed (mi_command_param_changed);
+ observer_attach_memory_changed (mi_memory_changed);
+
+ /* The initial inferior is created before this function is
+ called, so we need to report it explicitly. Use iteration in
+ case future version of GDB creates more than one inferior
+ up-front. */
+ iterate_over_inferiors (report_initial_inferior, mi);
+ }
+
return mi;
}
mi_interpreter_resume (void *data)
{
struct mi_interp *mi = data;
- /* As per hack note in mi_interpreter_init, swap in the output channels... */
+ /* As per hack note in mi_interpreter_init, swap in the output
+ channels... */
gdb_setup_readline ();
- if (event_loop_p)
- {
- /* These overwrite some of the initialization done in
- _intialize_event_loop. */
- call_readline = gdb_readline2;
- input_handler = mi_execute_command_wrapper;
- add_file_handler (input_fd, stdin_event_handler, 0);
- async_command_editing_p = 0;
- /* FIXME: This is a total hack for now. PB's use of the MI implicitly
- relies on a bug in the async support which allows asynchronous
- commands to leak through the commmand loop. The bug involves
- (but is not limited to) the fact that sync_execution was
- erroneously initialized to 0. Duplicate by initializing it
- thus here... */
- sync_execution = 0;
- }
+ /* These overwrite some of the initialization done in
+ _intialize_event_loop. */
+ call_readline = gdb_readline2;
+ input_handler = mi_execute_command_input_handler;
+ add_file_handler (input_fd, stdin_event_handler, 0);
+ async_command_editing_p = 0;
+ /* FIXME: This is a total hack for now. PB's use of the MI
+ implicitly relies on a bug in the async support which allows
+ asynchronous commands to leak through the commmand loop. The bug
+ involves (but is not limited to) the fact that sync_execution was
+ erroneously initialized to 0. Duplicate by initializing it thus
+ here... */
+ sync_execution = 0;
gdb_stdout = mi->out;
- /* Route error and log output through the MI */
+ /* Route error and log output through the MI. */
gdb_stderr = mi->err;
gdb_stdlog = mi->log;
- /* Route target output through the MI. */
+ /* Route target output through the MI. */
gdb_stdtarg = mi->targ;
+ /* Route target error through the MI as well. */
+ gdb_stdtargerr = mi->targ;
/* Replace all the hooks that we know about. There really needs to
be a better way of doing this... */
clear_interpreter_hooks ();
- show_load_progress = mi_load_progress;
+ deprecated_show_load_progress = mi_load_progress;
- /* If we're _the_ interpreter, take control. */
+ /* If we're _the_ interpreter, take control. */
if (current_interp_named_p (INTERP_MI1))
- command_loop_hook = mi1_command_loop;
- else if (current_interp_named_p (INTERP_MI))
- command_loop_hook = mi2_command_loop;
+ deprecated_command_loop_hook = mi1_command_loop;
+ else if (current_interp_named_p (INTERP_MI2))
+ deprecated_command_loop_hook = mi2_command_loop;
+ else if (current_interp_named_p (INTERP_MI3))
+ deprecated_command_loop_hook = mi3_command_loop;
else
- return 0;
+ deprecated_command_loop_hook = mi2_command_loop;
return 1;
}
return 1;
}
-static int
+static struct gdb_exception
mi_interpreter_exec (void *data, const char *command)
{
char *tmp = alloca (strlen (command) + 1);
+
strcpy (tmp, command);
mi_execute_command_wrapper (tmp);
- return 1;
+ return exception_none;
}
-/* Never display the default gdb prompt in mi case. */
+/* Never display the default GDB prompt in MI case. */
+
static int
mi_interpreter_prompt_p (void *data)
{
return 0;
}
-static void
-mi_interpreter_exec_continuation (struct continuation_arg *arg)
-{
- bpstat_do_actions (&stop_bpstat);
- if (!target_executing)
- {
- fputs_unfiltered ("*stopped", raw_stdout);
- mi_out_put (uiout, raw_stdout);
- fputs_unfiltered ("\n", raw_stdout);
- fputs_unfiltered ("(gdb) \n", raw_stdout);
- gdb_flush (raw_stdout);
- do_exec_cleanups (ALL_CLEANUPS);
- }
- else if (target_can_async_p ())
- {
- add_continuation (mi_interpreter_exec_continuation, NULL);
- }
-}
-
-enum mi_cmd_result
+void
mi_cmd_interpreter_exec (char *command, char **argv, int argc)
{
struct interp *interp_to_use;
- enum mi_cmd_result result = MI_CMD_DONE;
int i;
- struct interp_procs *procs;
+ char *mi_error_message = NULL;
+ struct cleanup *old_chain;
if (argc < 2)
- {
- xasprintf (&mi_error_message,
- "mi_cmd_interpreter_exec: Usage: -interpreter-exec interp command");
- return MI_CMD_ERROR;
- }
+ error (_("-interpreter-exec: "
+ "Usage: -interpreter-exec interp command"));
interp_to_use = interp_lookup (argv[0]);
if (interp_to_use == NULL)
- {
- xasprintf (&mi_error_message,
- "mi_cmd_interpreter_exec: could not find interpreter \"%s\"",
- argv[0]);
- return MI_CMD_ERROR;
- }
+ error (_("-interpreter-exec: could not find interpreter \"%s\""),
+ argv[0]);
if (!interp_exec_p (interp_to_use))
- {
- xasprintf (&mi_error_message,
- "mi_cmd_interpreter_exec: interpreter \"%s\" does not support command execution",
- argv[0]);
- return MI_CMD_ERROR;
- }
-
- /* Insert the MI out hooks, making sure to also call the interpreter's hooks
- if it has any. */
- /* KRS: We shouldn't need this... Events should be installed and they should
- just ALWAYS fire something out down the MI channel... */
+ error (_("-interpreter-exec: interpreter \"%s\" "
+ "does not support command execution"),
+ argv[0]);
+
+ /* Insert the MI out hooks, making sure to also call the
+ interpreter's hooks if it has any. */
+ /* KRS: We shouldn't need this... Events should be installed and
+ they should just ALWAYS fire something out down the MI
+ channel. */
mi_insert_notify_hooks ();
- /* Now run the code... */
+ /* Now run the code. */
+ old_chain = make_cleanup (null_cleanup, 0);
for (i = 1; i < argc; i++)
{
- char *buff = NULL;
- /* Do this in a cleaner way... We want to force execution to be
- asynchronous for commands that run the target. */
- if (target_can_async_p () && (strcmp (argv[0], "console") == 0))
- {
- int len = strlen (argv[i]);
- buff = xmalloc (len + 2);
- memcpy (buff, argv[i], len);
- buff[len] = '&';
- buff[len + 1] = '\0';
- }
+ struct gdb_exception e = interp_exec (interp_to_use, argv[i]);
- /* We had to set sync_execution = 0 for the mi (well really for Project
- Builder's use of the mi - particularly so interrupting would work.
- But for console commands to work, we need to initialize it to 1 -
- since that is what the cli expects - before running the command,
- and then set it back to 0 when we are done. */
- sync_execution = 1;
- if (interp_exec (interp_to_use, argv[i]) < 0)
+ if (e.reason < 0)
{
- mi_error_last_message ();
- result = MI_CMD_ERROR;
+ mi_error_message = xstrdup (e.message);
+ make_cleanup (xfree, mi_error_message);
break;
}
- xfree (buff);
- do_exec_error_cleanups (ALL_CLEANUPS);
- sync_execution = 0;
}
mi_remove_notify_hooks ();
- /* Okay, now let's see if the command set the inferior going...
- Tricky point - have to do this AFTER resetting the interpreter, since
- changing the interpreter will clear out all the continuations for
- that interpreter... */
-
- if (target_can_async_p () && target_executing)
- {
- fputs_unfiltered ("^running\n", raw_stdout);
- add_continuation (mi_interpreter_exec_continuation, NULL);
- }
-
- return result;
+ if (mi_error_message != NULL)
+ error ("%s", mi_error_message);
+ do_cleanups (old_chain);
}
-/*
- * mi_insert_notify_hooks - This inserts a number of hooks that are meant to produce
- * async-notify ("=") MI messages while running commands in another interpreter
- * using mi_interpreter_exec. The canonical use for this is to allow access to
- * the gdb CLI interpreter from within the MI, while still producing MI style output
- * when actions in the CLI command change gdb's state.
-*/
+/* This inserts a number of hooks that are meant to produce
+ async-notify ("=") MI messages while running commands in another
+ interpreter using mi_interpreter_exec. The canonical use for this
+ is to allow access to the gdb CLI interpreter from within the MI,
+ while still producing MI style output when actions in the CLI
+ command change GDB's state. */
static void
mi_insert_notify_hooks (void)
{
- query_hook = mi_interp_query_hook;
+ deprecated_query_hook = mi_interp_query_hook;
}
static void
mi_remove_notify_hooks (void)
{
- query_hook = NULL;
+ deprecated_query_hook = NULL;
}
static int
return 1;
}
-static char *
-mi_interp_read_one_line_hook (char *prompt, int repeat, char *anno)
-{
- static char buff[256];
- printf_unfiltered ("=read-one-line,prompt=\"%s\"\n", prompt);
- gdb_flush (gdb_stdout);
- (void) fgets (buff, sizeof (buff), stdin);
- buff[(strlen (buff) - 1)] = 0;
- return buff;
-}
-
static void
-output_control_change_notification (char *notification)
+mi_execute_command_wrapper (char *cmd)
{
- printf_unfiltered ("^");
- printf_unfiltered ("%s\n", notification);
- gdb_flush (gdb_stdout);
+ mi_execute_command (cmd, stdin == instream);
}
+/* mi_execute_command_wrapper wrapper suitable for INPUT_HANDLER. */
+
static void
-mi_execute_command_wrapper (char *cmd)
+mi_execute_command_input_handler (char *cmd)
{
- mi_execute_command (cmd, stdin == instream);
+ mi_execute_command_wrapper (cmd);
+
+ fputs_unfiltered ("(gdb) \n", raw_stdout);
+ gdb_flush (raw_stdout);
}
static void
mi_command_loop (2);
}
+static void
+mi3_command_loop (void)
+{
+ mi_command_loop (3);
+}
+
static void
mi_command_loop (int mi_version)
{
-#if 0
- /* HACK: Force stdout/stderr to point at the console. This avoids
- any potential side effects caused by legacy code that is still
- using the TUI / fputs_unfiltered_hook */
- raw_stdout = stdio_fileopen (stdout);
- /* Route normal output through the MIx */
- gdb_stdout = mi_console_file_new (raw_stdout, "~", '"');
- /* Route error and log output through the MI */
- gdb_stderr = mi_console_file_new (raw_stdout, "&", '"');
- gdb_stdlog = gdb_stderr;
- /* Route target output through the MI. */
- gdb_stdtarg = mi_console_file_new (raw_stdout, "@", '"');
- /* HACK: Poke the ui_out table directly. Should we be creating a
- mi_out object wired up to the above gdb_stdout / gdb_stderr? */
- uiout = mi_out_new (mi_version);
- /* HACK: Override any other interpreter hooks. We need to create a
- real event table and pass in that. */
- init_ui_hook = 0;
- /* command_loop_hook = 0; */
- print_frame_info_listing_hook = 0;
- query_hook = 0;
- warning_hook = 0;
- create_breakpoint_hook = 0;
- delete_breakpoint_hook = 0;
- modify_breakpoint_hook = 0;
- interactive_hook = 0;
- registers_changed_hook = 0;
- readline_begin_hook = 0;
- readline_hook = 0;
- readline_end_hook = 0;
- register_changed_hook = 0;
- memory_changed_hook = 0;
- context_hook = 0;
- target_wait_hook = 0;
- call_command_hook = 0;
- error_hook = 0;
- error_begin_hook = 0;
- show_load_progress = mi_load_progress;
-#endif
/* Turn off 8 bit strings in quoted output. Any character with the
- high bit set is printed using C's octal format. */
+ high bit set is printed using C's octal format. */
sevenbit_strings = 1;
- /* Tell the world that we're alive */
+
+ /* Tell the world that we're alive. */
fputs_unfiltered ("(gdb) \n", raw_stdout);
gdb_flush (raw_stdout);
- if (!event_loop_p)
- simplified_command_loop (mi_input, mi_execute_command);
+
+ start_event_loop ();
+}
+
+static void
+mi_new_thread (struct thread_info *t)
+{
+ struct mi_interp *mi = top_level_interpreter_data ();
+ struct inferior *inf = find_inferior_pid (ptid_get_pid (t->ptid));
+
+ gdb_assert (inf);
+
+ fprintf_unfiltered (mi->event_channel,
+ "thread-created,id=\"%d\",group-id=\"i%d\"",
+ t->num, inf->num);
+ gdb_flush (mi->event_channel);
+}
+
+static void
+mi_thread_exit (struct thread_info *t, int silent)
+{
+ struct mi_interp *mi;
+ struct inferior *inf;
+
+ if (silent)
+ return;
+
+ inf = find_inferior_pid (ptid_get_pid (t->ptid));
+
+ mi = top_level_interpreter_data ();
+ target_terminal_ours ();
+ fprintf_unfiltered (mi->event_channel,
+ "thread-exited,id=\"%d\",group-id=\"i%d\"",
+ t->num, inf->num);
+ gdb_flush (mi->event_channel);
+}
+
+/* Emit notification on changing the state of record. */
+
+static void
+mi_record_changed (struct inferior *inferior, int started)
+{
+ struct mi_interp *mi = top_level_interpreter_data ();
+
+ fprintf_unfiltered (mi->event_channel, "record-%s,thread-group=\"i%d\"",
+ started ? "started" : "stopped", inferior->num);
+
+ gdb_flush (mi->event_channel);
+}
+
+static void
+mi_inferior_added (struct inferior *inf)
+{
+ struct mi_interp *mi = top_level_interpreter_data ();
+
+ target_terminal_ours ();
+ fprintf_unfiltered (mi->event_channel,
+ "thread-group-added,id=\"i%d\"",
+ inf->num);
+ gdb_flush (mi->event_channel);
+}
+
+static void
+mi_inferior_appeared (struct inferior *inf)
+{
+ struct mi_interp *mi = top_level_interpreter_data ();
+
+ target_terminal_ours ();
+ fprintf_unfiltered (mi->event_channel,
+ "thread-group-started,id=\"i%d\",pid=\"%d\"",
+ inf->num, inf->pid);
+ gdb_flush (mi->event_channel);
+}
+
+static void
+mi_inferior_exit (struct inferior *inf)
+{
+ struct mi_interp *mi = top_level_interpreter_data ();
+
+ target_terminal_ours ();
+ if (inf->has_exit_code)
+ fprintf_unfiltered (mi->event_channel,
+ "thread-group-exited,id=\"i%d\",exit-code=\"%s\"",
+ inf->num, int_string (inf->exit_code, 8, 0, 0, 1));
else
- start_event_loop ();
+ fprintf_unfiltered (mi->event_channel,
+ "thread-group-exited,id=\"i%d\"", inf->num);
+
+ gdb_flush (mi->event_channel);
}
-static char *
-mi_input (char *buf)
+static void
+mi_inferior_removed (struct inferior *inf)
{
- return gdb_readline (NULL);
+ struct mi_interp *mi = top_level_interpreter_data ();
+
+ target_terminal_ours ();
+ fprintf_unfiltered (mi->event_channel,
+ "thread-group-removed,id=\"i%d\"",
+ inf->num);
+ gdb_flush (mi->event_channel);
}
-void
-_initialize_mi_interp (void)
+static void
+mi_on_normal_stop (struct bpstats *bs, int print_frame)
{
- static const struct interp_procs procs =
+ /* Since this can be called when CLI command is executing,
+ using cli interpreter, be sure to use MI uiout for output,
+ not the current one. */
+ struct ui_out *mi_uiout = interp_ui_out (top_level_interpreter ());
+
+ if (print_frame)
+ {
+ int core;
+
+ if (current_uiout != mi_uiout)
+ {
+ /* The normal_stop function has printed frame information
+ into CLI uiout, or some other non-MI uiout. There's no
+ way we can extract proper fields from random uiout
+ object, so we print the frame again. In practice, this
+ can only happen when running a CLI command in MI. */
+ struct ui_out *saved_uiout = current_uiout;
+ struct target_waitstatus last;
+ ptid_t last_ptid;
+
+ current_uiout = mi_uiout;
+
+ get_last_target_status (&last_ptid, &last);
+ bpstat_print (bs, last.kind);
+
+ print_stack_frame (get_selected_frame (NULL), 0, SRC_AND_LOC);
+ current_uiout = saved_uiout;
+ }
+
+ ui_out_field_int (mi_uiout, "thread-id",
+ pid_to_thread_id (inferior_ptid));
+ if (non_stop)
+ {
+ struct cleanup *back_to = make_cleanup_ui_out_list_begin_end
+ (mi_uiout, "stopped-threads");
+
+ ui_out_field_int (mi_uiout, NULL,
+ pid_to_thread_id (inferior_ptid));
+ do_cleanups (back_to);
+ }
+ else
+ ui_out_field_string (mi_uiout, "stopped-threads", "all");
+
+ core = target_core_of_thread (inferior_ptid);
+ if (core != -1)
+ ui_out_field_int (mi_uiout, "core", core);
+ }
+
+ fputs_unfiltered ("*stopped", raw_stdout);
+ mi_out_put (mi_uiout, raw_stdout);
+ mi_out_rewind (mi_uiout);
+ mi_print_timing_maybe ();
+ fputs_unfiltered ("\n", raw_stdout);
+ gdb_flush (raw_stdout);
+}
+
+static void
+mi_about_to_proceed (void)
+{
+ /* Suppress output while calling an inferior function. */
+
+ if (!ptid_equal (inferior_ptid, null_ptid))
+ {
+ struct thread_info *tp = inferior_thread ();
+
+ if (tp->control.in_infcall)
+ return;
+ }
+
+ mi_proceeded = 1;
+}
+
+/* When the element is non-zero, no MI notifications will be emitted in
+ response to the corresponding observers. */
+
+struct mi_suppress_notification mi_suppress_notification =
{
- mi_interpreter_init, /* init_proc */
- mi_interpreter_resume, /* resume_proc */
- mi_interpreter_suspend, /* suspend_proc */
- mi_interpreter_exec, /* exec_proc */
- mi_interpreter_prompt_p /* prompt_proc_p */
+ 0,
+ 0,
+ 0,
};
- /* Create MI1 interpreter */
- interp_add (interp_new (INTERP_MI1, NULL, mi_out_new (1), &procs));
+/* Emit notification on changing a traceframe. */
+
+static void
+mi_traceframe_changed (int tfnum, int tpnum)
+{
+ struct mi_interp *mi = top_level_interpreter_data ();
+
+ if (mi_suppress_notification.traceframe)
+ return;
+
+ target_terminal_ours ();
+
+ if (tfnum >= 0)
+ fprintf_unfiltered (mi->event_channel, "traceframe-changed,"
+ "num=\"%d\",tracepoint=\"%d\"\n",
+ tfnum, tpnum);
+ else
+ fprintf_unfiltered (mi->event_channel, "traceframe-changed,end");
+
+ gdb_flush (mi->event_channel);
+}
+
+/* Emit notification on creating a trace state variable. */
+
+static void
+mi_tsv_created (const char *name, LONGEST value)
+{
+ struct mi_interp *mi = top_level_interpreter_data ();
+
+ target_terminal_ours ();
+
+ fprintf_unfiltered (mi->event_channel, "tsv-created,"
+ "name=\"%s\",value=\"%s\"\n",
+ name, plongest (value));
+
+ gdb_flush (mi->event_channel);
+}
+
+/* Emit notification on deleting a trace state variable. */
- interp_add (interp_new (INTERP_MI, NULL, mi_out_new (3), &procs));
+static void
+mi_tsv_deleted (const char *name)
+{
+ struct mi_interp *mi = top_level_interpreter_data ();
+
+ target_terminal_ours ();
+
+ if (name != NULL)
+ fprintf_unfiltered (mi->event_channel, "tsv-deleted,"
+ "name=\"%s\"\n", name);
+ else
+ fprintf_unfiltered (mi->event_channel, "tsv-deleted\n");
+
+ gdb_flush (mi->event_channel);
+}
+
+/* Emit notification about a created breakpoint. */
+
+static void
+mi_breakpoint_created (struct breakpoint *b)
+{
+ struct mi_interp *mi = top_level_interpreter_data ();
+ struct ui_out *mi_uiout = interp_ui_out (top_level_interpreter ());
+ volatile struct gdb_exception e;
+
+ if (mi_suppress_notification.breakpoint)
+ return;
+
+ if (b->number <= 0)
+ return;
+
+ target_terminal_ours ();
+ fprintf_unfiltered (mi->event_channel,
+ "breakpoint-created");
+ /* We want the output from gdb_breakpoint_query to go to
+ mi->event_channel. One approach would be to just call
+ gdb_breakpoint_query, and then use mi_out_put to send the current
+ content of mi_outout into mi->event_channel. However, that will
+ break if anything is output to mi_uiout prior to calling the
+ breakpoint_created notifications. So, we use
+ ui_out_redirect. */
+ ui_out_redirect (mi_uiout, mi->event_channel);
+ TRY_CATCH (e, RETURN_MASK_ERROR)
+ gdb_breakpoint_query (mi_uiout, b->number, NULL);
+ ui_out_redirect (mi_uiout, NULL);
+
+ gdb_flush (mi->event_channel);
+}
+
+/* Emit notification about deleted breakpoint. */
+
+static void
+mi_breakpoint_deleted (struct breakpoint *b)
+{
+ struct mi_interp *mi = top_level_interpreter_data ();
+
+ if (mi_suppress_notification.breakpoint)
+ return;
+
+ if (b->number <= 0)
+ return;
+
+ target_terminal_ours ();
+
+ fprintf_unfiltered (mi->event_channel, "breakpoint-deleted,id=\"%d\"",
+ b->number);
+
+ gdb_flush (mi->event_channel);
+}
+
+/* Emit notification about modified breakpoint. */
+
+static void
+mi_breakpoint_modified (struct breakpoint *b)
+{
+ struct mi_interp *mi = top_level_interpreter_data ();
+ struct ui_out *mi_uiout = interp_ui_out (top_level_interpreter ());
+ volatile struct gdb_exception e;
+
+ if (mi_suppress_notification.breakpoint)
+ return;
+
+ if (b->number <= 0)
+ return;
+
+ target_terminal_ours ();
+ fprintf_unfiltered (mi->event_channel,
+ "breakpoint-modified");
+ /* We want the output from gdb_breakpoint_query to go to
+ mi->event_channel. One approach would be to just call
+ gdb_breakpoint_query, and then use mi_out_put to send the current
+ content of mi_outout into mi->event_channel. However, that will
+ break if anything is output to mi_uiout prior to calling the
+ breakpoint_created notifications. So, we use
+ ui_out_redirect. */
+ ui_out_redirect (mi_uiout, mi->event_channel);
+ TRY_CATCH (e, RETURN_MASK_ERROR)
+ gdb_breakpoint_query (mi_uiout, b->number, NULL);
+ ui_out_redirect (mi_uiout, NULL);
+
+ gdb_flush (mi->event_channel);
+}
+
+static int
+mi_output_running_pid (struct thread_info *info, void *arg)
+{
+ ptid_t *ptid = arg;
+
+ if (ptid_get_pid (*ptid) == ptid_get_pid (info->ptid))
+ fprintf_unfiltered (raw_stdout,
+ "*running,thread-id=\"%d\"\n",
+ info->num);
+
+ return 0;
+}
+
+static int
+mi_inferior_count (struct inferior *inf, void *arg)
+{
+ if (inf->pid != 0)
+ {
+ int *count_p = arg;
+ (*count_p)++;
+ }
+
+ return 0;
+}
+
+static void
+mi_on_resume (ptid_t ptid)
+{
+ struct thread_info *tp = NULL;
+
+ if (ptid_equal (ptid, minus_one_ptid) || ptid_is_pid (ptid))
+ tp = inferior_thread ();
+ else
+ tp = find_thread_ptid (ptid);
+
+ /* Suppress output while calling an inferior function. */
+ if (tp->control.in_infcall)
+ return;
+
+ /* To cater for older frontends, emit ^running, but do it only once
+ per each command. We do it here, since at this point we know
+ that the target was successfully resumed, and in non-async mode,
+ we won't return back to MI interpreter code until the target
+ is done running, so delaying the output of "^running" until then
+ will make it impossible for frontend to know what's going on.
+
+ In future (MI3), we'll be outputting "^done" here. */
+ if (!running_result_record_printed && mi_proceeded)
+ {
+ fprintf_unfiltered (raw_stdout, "%s^running\n",
+ current_token ? current_token : "");
+ }
+
+ if (PIDGET (ptid) == -1)
+ fprintf_unfiltered (raw_stdout, "*running,thread-id=\"all\"\n");
+ else if (ptid_is_pid (ptid))
+ {
+ int count = 0;
+
+ /* Backwards compatibility. If there's only one inferior,
+ output "all", otherwise, output each resumed thread
+ individually. */
+ iterate_over_inferiors (mi_inferior_count, &count);
+
+ if (count == 1)
+ fprintf_unfiltered (raw_stdout, "*running,thread-id=\"all\"\n");
+ else
+ iterate_over_threads (mi_output_running_pid, &ptid);
+ }
+ else
+ {
+ struct thread_info *ti = find_thread_ptid (ptid);
+
+ gdb_assert (ti);
+ fprintf_unfiltered (raw_stdout, "*running,thread-id=\"%d\"\n", ti->num);
+ }
+
+ if (!running_result_record_printed && mi_proceeded)
+ {
+ running_result_record_printed = 1;
+ /* This is what gdb used to do historically -- printing prompt even if
+ it cannot actually accept any input. This will be surely removed
+ for MI3, and may be removed even earler. */
+ /* FIXME: review the use of target_is_async_p here -- is that
+ what we want? */
+ if (!target_is_async_p ())
+ fputs_unfiltered ("(gdb) \n", raw_stdout);
+ }
+ gdb_flush (raw_stdout);
+}
+
+static void
+mi_solib_loaded (struct so_list *solib)
+{
+ struct mi_interp *mi = top_level_interpreter_data ();
+
+ target_terminal_ours ();
+ if (gdbarch_has_global_solist (target_gdbarch ()))
+ fprintf_unfiltered (mi->event_channel,
+ "library-loaded,id=\"%s\",target-name=\"%s\","
+ "host-name=\"%s\",symbols-loaded=\"%d\"",
+ solib->so_original_name, solib->so_original_name,
+ solib->so_name, solib->symbols_loaded);
+ else
+ fprintf_unfiltered (mi->event_channel,
+ "library-loaded,id=\"%s\",target-name=\"%s\","
+ "host-name=\"%s\",symbols-loaded=\"%d\","
+ "thread-group=\"i%d\"",
+ solib->so_original_name, solib->so_original_name,
+ solib->so_name, solib->symbols_loaded,
+ current_inferior ()->num);
+
+ gdb_flush (mi->event_channel);
+}
+
+static void
+mi_solib_unloaded (struct so_list *solib)
+{
+ struct mi_interp *mi = top_level_interpreter_data ();
+
+ target_terminal_ours ();
+ if (gdbarch_has_global_solist (target_gdbarch ()))
+ fprintf_unfiltered (mi->event_channel,
+ "library-unloaded,id=\"%s\",target-name=\"%s\","
+ "host-name=\"%s\"",
+ solib->so_original_name, solib->so_original_name,
+ solib->so_name);
+ else
+ fprintf_unfiltered (mi->event_channel,
+ "library-unloaded,id=\"%s\",target-name=\"%s\","
+ "host-name=\"%s\",thread-group=\"i%d\"",
+ solib->so_original_name, solib->so_original_name,
+ solib->so_name, current_inferior ()->num);
+
+ gdb_flush (mi->event_channel);
+}
+
+/* Emit notification about the command parameter change. */
+
+static void
+mi_command_param_changed (const char *param, const char *value)
+{
+ struct mi_interp *mi = top_level_interpreter_data ();
+ struct ui_out *mi_uiout = interp_ui_out (top_level_interpreter ());
+
+ if (mi_suppress_notification.cmd_param_changed)
+ return;
+
+ target_terminal_ours ();
+
+ fprintf_unfiltered (mi->event_channel,
+ "cmd-param-changed");
+
+ ui_out_redirect (mi_uiout, mi->event_channel);
+
+ ui_out_field_string (mi_uiout, "param", param);
+ ui_out_field_string (mi_uiout, "value", value);
+
+ ui_out_redirect (mi_uiout, NULL);
+
+ gdb_flush (mi->event_channel);
+}
+
+/* Emit notification about the target memory change. */
+
+static void
+mi_memory_changed (struct inferior *inferior, CORE_ADDR memaddr,
+ ssize_t len, const bfd_byte *myaddr)
+{
+ struct mi_interp *mi = top_level_interpreter_data ();
+ struct ui_out *mi_uiout = interp_ui_out (top_level_interpreter ());
+ struct obj_section *sec;
+
+ if (mi_suppress_notification.memory)
+ return;
+
+ target_terminal_ours ();
+
+ fprintf_unfiltered (mi->event_channel,
+ "memory-changed");
+
+ ui_out_redirect (mi_uiout, mi->event_channel);
+
+ ui_out_field_fmt (mi_uiout, "thread-group", "i%d", inferior->num);
+ ui_out_field_core_addr (mi_uiout, "addr", target_gdbarch (), memaddr);
+ ui_out_field_fmt (mi_uiout, "len", "0x%zx", len);
+
+ /* Append 'type=code' into notification if MEMADDR falls in the range of
+ sections contain code. */
+ sec = find_pc_section (memaddr);
+ if (sec != NULL && sec->objfile != NULL)
+ {
+ flagword flags = bfd_get_section_flags (sec->objfile->obfd,
+ sec->the_bfd_section);
+
+ if (flags & SEC_CODE)
+ ui_out_field_string (mi_uiout, "type", "code");
+ }
+
+ ui_out_redirect (mi_uiout, NULL);
+
+ gdb_flush (mi->event_channel);
+}
+
+static int
+report_initial_inferior (struct inferior *inf, void *closure)
+{
+ /* This function is called from mi_intepreter_init, and since
+ mi_inferior_added assumes that inferior is fully initialized
+ and top_level_interpreter_data is set, we cannot call
+ it here. */
+ struct mi_interp *mi = closure;
+
+ target_terminal_ours ();
+ fprintf_unfiltered (mi->event_channel,
+ "thread-group-added,id=\"i%d\"",
+ inf->num);
+ gdb_flush (mi->event_channel);
+ return 0;
+}
+
+static struct ui_out *
+mi_ui_out (struct interp *interp)
+{
+ struct mi_interp *mi = interp_data (interp);
+
+ return mi->uiout;
+}
+
+/* Save the original value of raw_stdout here when logging, so we can
+ restore correctly when done. */
+
+static struct ui_file *saved_raw_stdout;
+
+/* Do MI-specific logging actions; save raw_stdout, and change all
+ the consoles to use the supplied ui-file(s). */
+
+static int
+mi_set_logging (struct interp *interp, int start_log,
+ struct ui_file *out, struct ui_file *logfile)
+{
+ struct mi_interp *mi = interp_data (interp);
+
+ if (!mi)
+ return 0;
+
+ if (start_log)
+ {
+ /* The tee created already is based on gdb_stdout, which for MI
+ is a console and so we end up in an infinite loop of console
+ writing to ui_file writing to console etc. So discard the
+ existing tee (it hasn't been used yet, and MI won't ever use
+ it), and create one based on raw_stdout instead. */
+ if (logfile)
+ {
+ ui_file_delete (out);
+ out = tee_file_new (raw_stdout, 0, logfile, 0);
+ }
+
+ saved_raw_stdout = raw_stdout;
+ raw_stdout = out;
+ }
+ else
+ {
+ raw_stdout = saved_raw_stdout;
+ saved_raw_stdout = NULL;
+ }
+
+ mi_console_set_raw (mi->out, raw_stdout);
+ mi_console_set_raw (mi->err, raw_stdout);
+ mi_console_set_raw (mi->log, raw_stdout);
+ mi_console_set_raw (mi->targ, raw_stdout);
+ mi_console_set_raw (mi->event_channel, raw_stdout);
+
+ return 1;
+}
+
+extern initialize_file_ftype _initialize_mi_interp; /* -Wmissing-prototypes */
+
+void
+_initialize_mi_interp (void)
+{
+ static const struct interp_procs procs =
+ {
+ mi_interpreter_init, /* init_proc */
+ mi_interpreter_resume, /* resume_proc */
+ mi_interpreter_suspend, /* suspend_proc */
+ mi_interpreter_exec, /* exec_proc */
+ mi_interpreter_prompt_p, /* prompt_proc_p */
+ mi_ui_out, /* ui_out_proc */
+ mi_set_logging /* set_logging_proc */
+ };
+
+ /* The various interpreter levels. */
+ interp_add (interp_new (INTERP_MI1, &procs));
+ interp_add (interp_new (INTERP_MI2, &procs));
+ interp_add (interp_new (INTERP_MI3, &procs));
+ interp_add (interp_new (INTERP_MI, &procs));
}
projects / deliverable / binutils-gdb.git / blobdiff