/* MI Interpreter Definitions and Commands for GDB, the GNU debugger.
- Copyright (C) 2002, 2003, 2004, 2005, 2007, 2008, 2009, 2010, 2011
- Free Software Foundation, Inc.
+ Copyright (C) 2002-2005, 2007-2012 Free Software Foundation, Inc.
This file is part of GDB.
#include "observer.h"
#include "gdbthread.h"
#include "solist.h"
+#include "gdb.h"
+
+/* 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_command_loop (int mi_version);
/* 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 */
+ 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);
+ ATTRIBUTE_PRINTF (1, 0);
static void mi3_command_loop (void);
static void mi2_command_loop (void);
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_breakpoint_created (struct breakpoint *b);
+static void mi_breakpoint_deleted (struct breakpoint *b);
+static void mi_breakpoint_modified (struct breakpoint *b);
static int report_initial_inferior (struct inferior *inf, void *closure);
static void *
-mi_interpreter_init (int top_level)
+mi_interpreter_init (struct interp *interp, int top_level)
{
struct mi_interp *mi = XMALLOC (struct mi_interp);
+ const char *name;
+ int mi_version;
- /* 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. */
+ /* 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 = 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_solib_loaded (mi_solib_loaded);
observer_attach_solib_unloaded (mi_solib_unloaded);
observer_attach_about_to_proceed (mi_about_to_proceed);
-
- /* 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. */
+ observer_attach_breakpoint_created (mi_breakpoint_created);
+ observer_attach_breakpoint_deleted (mi_breakpoint_deleted);
+ observer_attach_breakpoint_modified (mi_breakpoint_modified);
+
+ /* 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);
}
{
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 ();
/* These overwrite some of the initialization done in
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. */
+ /* Route target error through the MI as well. */
gdb_stdtargerr = mi->targ;
/* Replace all the hooks that we know about. There really needs to
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))
deprecated_command_loop_hook = mi1_command_loop;
else if (current_interp_named_p (INTERP_MI2))
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)
{
struct cleanup *old_chain;
if (argc < 2)
- error ("mi_cmd_interpreter_exec: Usage: -interpreter-exec interp command");
+ error (_("-interpreter-exec: "
+ "Usage: -interpreter-exec interp command"));
interp_to_use = interp_lookup (argv[0]);
if (interp_to_use == NULL)
- error ("mi_cmd_interpreter_exec: could not find interpreter \"%s\"",
+ error (_("-interpreter-exec: could not find interpreter \"%s\""),
argv[0]);
if (!interp_exec_p (interp_to_use))
- error ("mi_cmd_interpreter_exec: interpreter \"%s\" "
- "does not support command execution",
+ 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... */
+ /* 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++)
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)
mi_command_loop (int mi_version)
{
/* 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);
+
start_event_loop ();
}
struct mi_interp *mi = top_level_interpreter_data ();
target_terminal_ours ();
- fprintf_unfiltered (mi->event_channel, "thread-group-exited,id=\"i%d\"",
- inf->num);
+ 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
+ fprintf_unfiltered (mi->event_channel,
+ "thread-group-exited,id=\"i%d\"", inf->num);
+
gdb_flush (mi->event_channel);
}
{
int core;
- if (uiout != mi_uiout)
+ 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 = uiout;
-
- 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);
- uiout = saved_uiout;
+ current_uiout = saved_uiout;
}
ui_out_field_int (mi_uiout, "thread-id",
mi_proceeded = 1;
}
+/* When non-zero, no MI notifications will be emitted in
+ response to breakpoint change observers. */
+
+int mi_suppress_breakpoint_notifications = 0;
+
+/* 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_breakpoint_notifications)
+ 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_breakpoint_notifications)
+ 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_breakpoint_notifications)
+ 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)
{
return 0;
}
+static struct ui_out *
+mi_ui_out (struct interp *interp)
+{
+ struct mi_interp *mi = interp_data (interp);
+
+ return mi->uiout;
+}
+
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_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 */
+ };
/* The various interpreter levels. */
- interp_add (interp_new (INTERP_MI1, NULL, mi_out_new (1), &procs));
- interp_add (interp_new (INTERP_MI2, NULL, mi_out_new (2), &procs));
- interp_add (interp_new (INTERP_MI3, NULL, mi_out_new (3), &procs));
-
- /* "mi" selects the most recent released version. "mi2" was
- released as part of GDB 6.0. */
- interp_add (interp_new (INTERP_MI, NULL, mi_out_new (2), &procs));
+ 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