Push thread->control.command_interp to the struct thread_fsm

I noticed that if we step into an inline function, step_1 never
reaches proceed, and thus nevers sets the thread's
tp->control.command_interp.  Because of that,
should_print_stop_to_console fails to determine that is should print
stop output to the console.

The fix is to set the thread's command_interp earlier.  However, I
realized that we can move that field to the thread_fsm, given that its
lifetime is exactly the same as thread_fsm.  So the patch plumbs all
fsms constructors to take the command interp and store it in the
thread_fsm.

We can see the fix in action, with e.g., the gdb.opt/inline-cmds.exp
test, and issuing a step when stopped at line 67:

 &"s\n"
 ^running
 *running,thread-id="all"
 (gdb)
 ~"67\t  result = func2 ();\n"
 *stopped,reason="end-stepping-range",frame={addr="0x00000000004004d0",func="main",args=[],file="/home/pedro/gdb/mygit/src/gdb/testsuite/gdb.opt/inline-cmds.c",fullname="/home/pedro/gdb/mygit/src/gdb/testsuite/gdb.opt/inline-cmds.c",line="67"},thread-id="1",stopped-threads="all",core="0"
 (gdb)
 s
 &"s\n"
 ^running
 *running,thread-id="all"
 (gdb)
+ ~"func2 () at /home/pedro/gdb/mygit/src/gdb/testsuite/gdb.opt/inline-cmds.c:67\n"
+ ~"67\t  result = func2 ();\n"
 *stopped,reason="end-stepping-range",frame={addr="0x00000000004004d0",func="func2",args=[],file="/home/pedro/gdb/mygit/src/gdb/testsuite/gdb.opt/inline-cmds.c",fullname="/home/pedro/gdb/mygit/src/gdb/testsuite/gdb.opt/inline-cmds.c",line="67"},thread-id="1",stopped-threads="all",core="0"
 (gdb)

(The inline-cmds.exp command is adjusted to exercise this.)

(Due to the follow_fork change, this also fixes "next N" across a fork
with "set follow-fork child" with "set detach-on-fork on".  Commands
that rely on internal breakpoints, like "finish" will still require
more work to migrate breakpoints etc. to the child thread.)

gdb/ChangeLog:
2016-06-21  Pedro Alves  <palves@redhat.com>

	* breakpoint.c (new_until_break_fsm): Add 'cmd_interp' parameter.
	(until_break_fsm_should_stop, until_break_fsm_clean_up): Add
	thread parameter.
	(until_break_command): Pass command interpreter to thread fsm
	ctor.
	* cli/cli-interp.c (should_print_stop_to_console): Adjust.
	* gdbthread.h (struct thread_control_state) <command_interp>:
	Delete field.
	* infcall.c (new_call_thread_fsm): Add 'cmd_interp' parameter.
	Pass it down.
	(call_thread_fsm_should_stop): Add thread parameter.
	(call_function_by_hand_dummy): Pass command interpreter to thread
	fsm ctor.  Pass thread pointer to fsm clean up method.
	* infcmd.c: Include interps.h.
	(struct step_command_fsm) <thread>: Delete field.
	(new_step_command_fsm): Add 'cmd_interp' parameter.  Pass it down.
	(step_command_fsm_prepare): Remove references to fsm's thread
	field.
	(step_1): Pass command interpreter to thread
	fsm ctor.  Pass thread pointer to fsm clean up method.
	(step_command_fsm_should_stop, step_command_fsm_clean_up): Add
	thread parameter and use it.
	(new_until_next_fsm): Add 'cmd_interp' parameter.  Pass it down.
	(until_next_fsm_should_stop, until_next_fsm_clean_up): Add thread
	parameter and use it.
	(until_next_command): Pass command interpreter to thread fsm ctor.
	(struct finish_command_fsm) <thread>: Delete field.
	(finish_command_fsm_ops): Add NULL slot for should_notify_stop.
	(new_finish_command_fsm): Add 'cmd_interp' parameter and pass it
	down.  Remove thread parameter and adjust.
	(finish_command_fsm_should_stop, finish_command_fsm_clean_up): Add
	thread parameter and use it.
	(finish_command): Pass command interpreter to thread fsm ctor.
	Don't pass thread.
	* infrun.c (follow_fork): Move thread fsm to child fork instead of
	command interpreter, only.
	(clear_proceed_status_thread): Remove reference to command_interp.
	(proceed): Don't record the thread's command interpreter.
	(clean_up_just_stopped_threads_fsms): Pass thread to fsm clean_up
	method.
	(fetch_inferior_event): Pass thread to fsm should_stop method.
	* thread-fsm.c (thread_fsm_ctor): Add 'cmd_interp' parameter.
	Store it.
	(thread_fsm_clean_up, thread_fsm_should_stop): Add thread
	parameter and pass it down.
	* thread-fsm.h (struct thread_fsm) <command_interp>: New field.
	(struct thread_fsm_ops) <clean_up, should_stop>: Add thread
	parameter.
	(thread_fsm_ctor): Add 'cmd_interp' parameter.
	(thread_fsm_clean_up, thread_fsm_should_stop): Add thread
	parameter.
	* thread.c (thread_cancel_execution_command): Pass thread to
	thread fsm clean_up method.

gdb/testsuite/ChangeLog:
2016-06-21  Pedro Alves  <palves@redhat.com>

	* gdb.opt/inline-cmds.c: Add "set mi break here" marker.
	* gdb.opt/inline-cmds.exp: Add MI tests.
This commit is contained in:
Pedro Alves 2016-06-21 01:11:53 +01:00
parent 26cde2cc30
commit 8980e177bb
13 changed files with 214 additions and 90 deletions

View file

@ -1,3 +1,59 @@
2016-06-21 Pedro Alves <palves@redhat.com>
* breakpoint.c (new_until_break_fsm): Add 'cmd_interp' parameter.
(until_break_fsm_should_stop, until_break_fsm_clean_up): Add
thread parameter.
(until_break_command): Pass command interpreter to thread fsm
ctor.
* cli/cli-interp.c (should_print_stop_to_console): Adjust.
* gdbthread.h (struct thread_control_state) <command_interp>:
Delete field.
* infcall.c (new_call_thread_fsm): Add 'cmd_interp' parameter.
Pass it down.
(call_thread_fsm_should_stop): Add thread parameter.
(call_function_by_hand_dummy): Pass command interpreter to thread
fsm ctor. Pass thread pointer to fsm clean up method.
* infcmd.c: Include interps.h.
(struct step_command_fsm) <thread>: Delete field.
(new_step_command_fsm): Add 'cmd_interp' parameter. Pass it down.
(step_command_fsm_prepare): Remove references to fsm's thread
field.
(step_1): Pass command interpreter to thread
fsm ctor. Pass thread pointer to fsm clean up method.
(step_command_fsm_should_stop, step_command_fsm_clean_up): Add
thread parameter and use it.
(new_until_next_fsm): Add 'cmd_interp' parameter. Pass it down.
(until_next_fsm_should_stop, until_next_fsm_clean_up): Add thread
parameter and use it.
(until_next_command): Pass command interpreter to thread fsm ctor.
(struct finish_command_fsm) <thread>: Delete field.
(finish_command_fsm_ops): Add NULL slot for should_notify_stop.
(new_finish_command_fsm): Add 'cmd_interp' parameter and pass it
down. Remove thread parameter and adjust.
(finish_command_fsm_should_stop, finish_command_fsm_clean_up): Add
thread parameter and use it.
(finish_command): Pass command interpreter to thread fsm ctor.
Don't pass thread.
* infrun.c (follow_fork): Move thread fsm to child fork instead of
command interpreter, only.
(clear_proceed_status_thread): Remove reference to command_interp.
(proceed): Don't record the thread's command interpreter.
(clean_up_just_stopped_threads_fsms): Pass thread to fsm clean_up
method.
(fetch_inferior_event): Pass thread to fsm should_stop method.
* thread-fsm.c (thread_fsm_ctor): Add 'cmd_interp' parameter.
Store it.
(thread_fsm_clean_up, thread_fsm_should_stop): Add thread
parameter and pass it down.
* thread-fsm.h (struct thread_fsm) <command_interp>: New field.
(struct thread_fsm_ops) <clean_up, should_stop>: Add thread
parameter.
(thread_fsm_ctor): Add 'cmd_interp' parameter.
(thread_fsm_clean_up, thread_fsm_should_stop): Add thread
parameter.
* thread.c (thread_cancel_execution_command): Pass thread to
thread fsm clean_up method.
2016-06-21 Pedro Alves <palves@redhat.com>
* cli/cli-interp.c: Include gdbthread.h and thread-fsm.h.

View file

@ -11605,8 +11605,10 @@ struct until_break_fsm
struct breakpoint *caller_breakpoint;
};
static void until_break_fsm_clean_up (struct thread_fsm *self);
static int until_break_fsm_should_stop (struct thread_fsm *self);
static void until_break_fsm_clean_up (struct thread_fsm *self,
struct thread_info *thread);
static int until_break_fsm_should_stop (struct thread_fsm *self,
struct thread_info *thread);
static enum async_reply_reason
until_break_fsm_async_reply_reason (struct thread_fsm *self);
@ -11624,14 +11626,14 @@ static struct thread_fsm_ops until_break_fsm_ops =
/* Allocate a new until_break_command_fsm. */
static struct until_break_fsm *
new_until_break_fsm (int thread,
new_until_break_fsm (struct interp *cmd_interp, int thread,
struct breakpoint *location_breakpoint,
struct breakpoint *caller_breakpoint)
{
struct until_break_fsm *sm;
sm = XCNEW (struct until_break_fsm);
thread_fsm_ctor (&sm->thread_fsm, &until_break_fsm_ops);
thread_fsm_ctor (&sm->thread_fsm, &until_break_fsm_ops, cmd_interp);
sm->thread = thread;
sm->location_breakpoint = location_breakpoint;
@ -11644,10 +11646,10 @@ new_until_break_fsm (int thread,
until(location)/advance commands. */
static int
until_break_fsm_should_stop (struct thread_fsm *self)
until_break_fsm_should_stop (struct thread_fsm *self,
struct thread_info *tp)
{
struct until_break_fsm *sm = (struct until_break_fsm *) self;
struct thread_info *tp = inferior_thread ();
if (bpstat_find_breakpoint (tp->control.stop_bpstat,
sm->location_breakpoint) != NULL
@ -11663,7 +11665,8 @@ until_break_fsm_should_stop (struct thread_fsm *self)
until(location)/advance commands. */
static void
until_break_fsm_clean_up (struct thread_fsm *self)
until_break_fsm_clean_up (struct thread_fsm *self,
struct thread_info *thread)
{
struct until_break_fsm *sm = (struct until_break_fsm *) self;
@ -11785,7 +11788,7 @@ until_break_command (char *arg, int from_tty, int anywhere)
stack_frame_id, bp_until);
make_cleanup_delete_breakpoint (location_breakpoint);
sm = new_until_break_fsm (tp->global_num,
sm = new_until_break_fsm (command_interp (), tp->global_num,
location_breakpoint, caller_breakpoint);
tp->thread_fsm = &sm->thread_fsm;

View file

@ -77,10 +77,9 @@ should_print_stop_to_console (struct interp *console_interp,
{
if ((bpstat_what (tp->control.stop_bpstat).main_action
== BPSTAT_WHAT_STOP_NOISY)
|| !(tp->thread_fsm != NULL
&& thread_fsm_finished_p (tp->thread_fsm))
|| (tp->control.command_interp != NULL
&& tp->control.command_interp == console_interp))
|| tp->thread_fsm == NULL
|| tp->thread_fsm->command_interp == console_interp
|| !thread_fsm_finished_p (tp->thread_fsm))
return 1;
return 0;
}

View file

@ -136,11 +136,6 @@ struct thread_control_state
at. */
bpstat stop_bpstat;
/* The interpreter that issued the execution command. NULL if the
thread was resumed as a result of a command applied to some other
thread (e.g., "next" with scheduler-locking off). */
struct interp *command_interp;
/* Whether the command that started the thread was a stepping
command. This is used to decide whether "set scheduler-locking
step" behaves like "on" or "off". */

View file

@ -470,7 +470,8 @@ struct call_thread_fsm
struct ui *waiting_ui;
};
static int call_thread_fsm_should_stop (struct thread_fsm *self);
static int call_thread_fsm_should_stop (struct thread_fsm *self,
struct thread_info *thread);
static int call_thread_fsm_should_notify_stop (struct thread_fsm *self);
/* call_thread_fsm's vtable. */
@ -488,7 +489,7 @@ static struct thread_fsm_ops call_thread_fsm_ops =
/* Allocate a new call_thread_fsm object. */
static struct call_thread_fsm *
new_call_thread_fsm (struct ui *waiting_ui,
new_call_thread_fsm (struct ui *waiting_ui, struct interp *cmd_interp,
struct gdbarch *gdbarch, struct value *function,
struct type *value_type,
int struct_return_p, CORE_ADDR struct_addr)
@ -496,7 +497,7 @@ new_call_thread_fsm (struct ui *waiting_ui,
struct call_thread_fsm *sm;
sm = XCNEW (struct call_thread_fsm);
thread_fsm_ctor (&sm->thread_fsm, &call_thread_fsm_ops);
thread_fsm_ctor (&sm->thread_fsm, &call_thread_fsm_ops, cmd_interp);
sm->return_meta_info.gdbarch = gdbarch;
sm->return_meta_info.function = function;
@ -512,7 +513,8 @@ new_call_thread_fsm (struct ui *waiting_ui,
/* Implementation of should_stop method for infcalls. */
static int
call_thread_fsm_should_stop (struct thread_fsm *self)
call_thread_fsm_should_stop (struct thread_fsm *self,
struct thread_info *thread)
{
struct call_thread_fsm *f = (struct call_thread_fsm *) self;
@ -1135,7 +1137,7 @@ call_function_by_hand_dummy (struct value *function,
not report the stop to the user, and captures the return value
before the dummy frame is popped. run_inferior_call registers
it with the thread ASAP. */
sm = new_call_thread_fsm (current_ui,
sm = new_call_thread_fsm (current_ui, command_interp (),
gdbarch, function,
values_type,
struct_return || hidden_first_param_p,
@ -1167,7 +1169,7 @@ call_function_by_hand_dummy (struct value *function,
/* Clean up / destroy the call FSM, and restore the
original one. */
thread_fsm_clean_up (tp->thread_fsm);
thread_fsm_clean_up (tp->thread_fsm, tp);
thread_fsm_delete (tp->thread_fsm);
tp->thread_fsm = saved_sm;

View file

@ -57,6 +57,7 @@
#include "infcall.h"
#include "thread-fsm.h"
#include "top.h"
#include "interps.h"
/* Local functions: */
@ -925,13 +926,12 @@ struct step_command_fsm
/* If true, this is a stepi/nexti, otherwise a step/step. */
int single_inst;
/* The thread that the command was run on. */
int thread;
};
static void step_command_fsm_clean_up (struct thread_fsm *self);
static int step_command_fsm_should_stop (struct thread_fsm *self);
static void step_command_fsm_clean_up (struct thread_fsm *self,
struct thread_info *thread);
static int step_command_fsm_should_stop (struct thread_fsm *self,
struct thread_info *thread);
static enum async_reply_reason
step_command_fsm_async_reply_reason (struct thread_fsm *self);
@ -949,12 +949,12 @@ static struct thread_fsm_ops step_command_fsm_ops =
/* Allocate a new step_command_fsm. */
static struct step_command_fsm *
new_step_command_fsm (void)
new_step_command_fsm (struct interp *cmd_interp)
{
struct step_command_fsm *sm;
sm = XCNEW (struct step_command_fsm);
thread_fsm_ctor (&sm->thread_fsm, &step_command_fsm_ops);
thread_fsm_ctor (&sm->thread_fsm, &step_command_fsm_ops, cmd_interp);
return sm;
}
@ -970,7 +970,6 @@ step_command_fsm_prepare (struct step_command_fsm *sm,
sm->skip_subroutines = skip_subroutines;
sm->single_inst = single_inst;
sm->count = count;
sm->thread = thread->global_num;
/* Leave the si command alone. */
if (!sm->single_inst || sm->skip_subroutines)
@ -1010,7 +1009,7 @@ step_1 (int skip_subroutines, int single_inst, char *count_string)
/* Setup the execution command state machine to handle all the COUNT
steps. */
thr = inferior_thread ();
step_sm = new_step_command_fsm ();
step_sm = new_step_command_fsm (command_interp ());
thr->thread_fsm = &step_sm->thread_fsm;
step_command_fsm_prepare (step_sm, skip_subroutines,
@ -1028,7 +1027,7 @@ step_1 (int skip_subroutines, int single_inst, char *count_string)
/* Stepped into an inline frame. Pretend that we've
stopped. */
thread_fsm_clean_up (thr->thread_fsm);
thread_fsm_clean_up (thr->thread_fsm, thr);
proceeded = normal_stop ();
if (!proceeded)
inferior_event_handler (INF_EXEC_COMPLETE, NULL);
@ -1043,10 +1042,9 @@ step_1 (int skip_subroutines, int single_inst, char *count_string)
will need to keep going. */
static int
step_command_fsm_should_stop (struct thread_fsm *self)
step_command_fsm_should_stop (struct thread_fsm *self, struct thread_info *tp)
{
struct step_command_fsm *sm = (struct step_command_fsm *) self;
struct thread_info *tp = find_thread_global_id (sm->thread);
if (tp->control.stop_step)
{
@ -1064,12 +1062,12 @@ step_command_fsm_should_stop (struct thread_fsm *self)
/* Implementation of the 'clean_up' FSM method for stepping commands. */
static void
step_command_fsm_clean_up (struct thread_fsm *self)
step_command_fsm_clean_up (struct thread_fsm *self, struct thread_info *thread)
{
struct step_command_fsm *sm = (struct step_command_fsm *) self;
if (!sm->single_inst || sm->skip_subroutines)
delete_longjmp_breakpoint (sm->thread);
delete_longjmp_breakpoint (thread->global_num);
}
/* Implementation of the 'async_reply_reason' FSM method for stepping
@ -1411,8 +1409,10 @@ struct until_next_fsm
int thread;
};
static int until_next_fsm_should_stop (struct thread_fsm *self);
static void until_next_fsm_clean_up (struct thread_fsm *self);
static int until_next_fsm_should_stop (struct thread_fsm *self,
struct thread_info *thread);
static void until_next_fsm_clean_up (struct thread_fsm *self,
struct thread_info *thread);
static enum async_reply_reason
until_next_fsm_async_reply_reason (struct thread_fsm *self);
@ -1430,12 +1430,12 @@ static struct thread_fsm_ops until_next_fsm_ops =
/* Allocate a new until_next_fsm. */
static struct until_next_fsm *
new_until_next_fsm (int thread)
new_until_next_fsm (struct interp *cmd_interp, int thread)
{
struct until_next_fsm *sm;
sm = XCNEW (struct until_next_fsm);
thread_fsm_ctor (&sm->thread_fsm, &until_next_fsm_ops);
thread_fsm_ctor (&sm->thread_fsm, &until_next_fsm_ops, cmd_interp);
sm->thread = thread;
@ -1446,10 +1446,9 @@ new_until_next_fsm (int thread)
no arg) command. */
static int
until_next_fsm_should_stop (struct thread_fsm *self)
until_next_fsm_should_stop (struct thread_fsm *self,
struct thread_info *tp)
{
struct thread_info *tp = inferior_thread ();
if (tp->control.stop_step)
thread_fsm_set_finished (self);
@ -1460,11 +1459,11 @@ until_next_fsm_should_stop (struct thread_fsm *self)
arg) command. */
static void
until_next_fsm_clean_up (struct thread_fsm *self)
until_next_fsm_clean_up (struct thread_fsm *self, struct thread_info *thread)
{
struct until_next_fsm *sm = (struct until_next_fsm *) self;
delete_longjmp_breakpoint (sm->thread);
delete_longjmp_breakpoint (thread->global_num);
}
/* Implementation of the 'async_reply_reason' FSM method for the until
@ -1534,7 +1533,7 @@ until_next_command (int from_tty)
set_longjmp_breakpoint (tp, get_frame_id (frame));
old_chain = make_cleanup (delete_longjmp_breakpoint_cleanup, &thread);
sm = new_until_next_fsm (tp->global_num);
sm = new_until_next_fsm (command_interp (), tp->global_num);
tp->thread_fsm = &sm->thread_fsm;
discard_cleanups (old_chain);
@ -1729,9 +1728,6 @@ struct finish_command_fsm
/* The base class. */
struct thread_fsm thread_fsm;
/* The thread that was current when the command was executed. */
int thread;
/* The momentary breakpoint set at the function's return address in
the caller. */
struct breakpoint *breakpoint;
@ -1744,8 +1740,10 @@ struct finish_command_fsm
struct return_value_info return_value;
};
static int finish_command_fsm_should_stop (struct thread_fsm *self);
static void finish_command_fsm_clean_up (struct thread_fsm *self);
static int finish_command_fsm_should_stop (struct thread_fsm *self,
struct thread_info *thread);
static void finish_command_fsm_clean_up (struct thread_fsm *self,
struct thread_info *thread);
static struct return_value_info *
finish_command_fsm_return_value (struct thread_fsm *self);
static enum async_reply_reason
@ -1760,19 +1758,18 @@ static struct thread_fsm_ops finish_command_fsm_ops =
finish_command_fsm_should_stop,
finish_command_fsm_return_value,
finish_command_fsm_async_reply_reason,
NULL, /* should_notify_stop */
};
/* Allocate a new finish_command_fsm. */
static struct finish_command_fsm *
new_finish_command_fsm (int thread)
new_finish_command_fsm (struct interp *cmd_interp)
{
struct finish_command_fsm *sm;
sm = XCNEW (struct finish_command_fsm);
thread_fsm_ctor (&sm->thread_fsm, &finish_command_fsm_ops);
sm->thread = thread;
thread_fsm_ctor (&sm->thread_fsm, &finish_command_fsm_ops, cmd_interp);
return sm;
}
@ -1783,11 +1780,11 @@ new_finish_command_fsm (int thread)
marks the FSM finished. */
static int
finish_command_fsm_should_stop (struct thread_fsm *self)
finish_command_fsm_should_stop (struct thread_fsm *self,
struct thread_info *tp)
{
struct finish_command_fsm *f = (struct finish_command_fsm *) self;
struct return_value_info *rv = &f->return_value;
struct thread_info *tp = find_thread_global_id (f->thread);
if (f->function != NULL
&& bpstat_find_breakpoint (tp->control.stop_bpstat,
@ -1825,7 +1822,8 @@ finish_command_fsm_should_stop (struct thread_fsm *self)
commands. */
static void
finish_command_fsm_clean_up (struct thread_fsm *self)
finish_command_fsm_clean_up (struct thread_fsm *self,
struct thread_info *thread)
{
struct finish_command_fsm *f = (struct finish_command_fsm *) self;
@ -1834,7 +1832,7 @@ finish_command_fsm_clean_up (struct thread_fsm *self)
delete_breakpoint (f->breakpoint);
f->breakpoint = NULL;
}
delete_longjmp_breakpoint (f->thread);
delete_longjmp_breakpoint (thread->global_num);
}
/* Implementation of the 'return_value' FSM method for the finish
@ -2002,7 +2000,7 @@ finish_command (char *arg, int from_tty)
tp = inferior_thread ();
sm = new_finish_command_fsm (tp->global_num);
sm = new_finish_command_fsm (command_interp ());
tp->thread_fsm = &sm->thread_fsm;

View file

@ -681,7 +681,7 @@ follow_fork (void)
CORE_ADDR step_range_start = 0;
CORE_ADDR step_range_end = 0;
struct frame_id step_frame_id = { 0 };
struct interp *command_interp = NULL;
struct thread_fsm *thread_fsm = NULL;
if (!non_stop)
{
@ -733,7 +733,7 @@ follow_fork (void)
step_frame_id = tp->control.step_frame_id;
exception_resume_breakpoint
= clone_momentary_breakpoint (tp->control.exception_resume_breakpoint);
command_interp = tp->control.command_interp;
thread_fsm = tp->thread_fsm;
/* For now, delete the parent's sr breakpoint, otherwise,
parent/child sr breakpoints are considered duplicates,
@ -745,7 +745,7 @@ follow_fork (void)
tp->control.step_range_end = 0;
tp->control.step_frame_id = null_frame_id;
delete_exception_resume_breakpoint (tp);
tp->control.command_interp = NULL;
tp->thread_fsm = NULL;
}
parent = inferior_ptid;
@ -791,7 +791,7 @@ follow_fork (void)
tp->control.step_frame_id = step_frame_id;
tp->control.exception_resume_breakpoint
= exception_resume_breakpoint;
tp->control.command_interp = command_interp;
tp->thread_fsm = thread_fsm;
}
else
{
@ -2849,7 +2849,6 @@ clear_proceed_status_thread (struct thread_info *tp)
tp->control.proceed_to_finish = 0;
tp->control.command_interp = NULL;
tp->control.stepping_command = 0;
/* Discard any remaining commands or status from previous stop. */
@ -3042,14 +3041,6 @@ proceed (CORE_ADDR addr, enum gdb_signal siggnal)
if (siggnal != GDB_SIGNAL_DEFAULT)
tp->suspend.stop_signal = siggnal;
/* Record the interpreter that issued the execution command that
caused this thread to resume. If the top level interpreter is
MI/async, and the execution command was a CLI command
(next/step/etc.), we'll want to print stop event output to the MI
console channel (the stepped-to line, etc.), as if the user
entered the execution command on a real GDB console. */
tp->control.command_interp = command_interp ();
resume_ptid = user_visible_resume_ptid (tp->control.stepping_command);
/* If an exception is thrown from this point on, make sure to
@ -3823,7 +3814,7 @@ clean_up_just_stopped_threads_fsms (struct execution_control_state *ecs)
struct thread_info *thr = ecs->event_thread;
if (thr != NULL && thr->thread_fsm != NULL)
thread_fsm_clean_up (thr->thread_fsm);
thread_fsm_clean_up (thr->thread_fsm, thr);
if (!non_stop)
{
@ -3835,7 +3826,7 @@ clean_up_just_stopped_threads_fsms (struct execution_control_state *ecs)
continue;
switch_to_thread (thr->ptid);
thread_fsm_clean_up (thr->thread_fsm);
thread_fsm_clean_up (thr->thread_fsm, thr);
}
if (ecs->event_thread != NULL)
@ -3993,7 +3984,7 @@ fetch_inferior_event (void *client_data)
struct thread_fsm *thread_fsm = thr->thread_fsm;
if (thread_fsm != NULL)
should_stop = thread_fsm_should_stop (thread_fsm);
should_stop = thread_fsm_should_stop (thread_fsm, thr);
}
if (!should_stop)

View file

@ -1,3 +1,8 @@
2016-06-21 Pedro Alves <palves@redhat.com>
* gdb.opt/inline-cmds.c: Add "set mi break here" marker.
* gdb.opt/inline-cmds.exp: Add MI tests.
2016-06-21 Pedro Alves <palves@redhat.com>
* gdb.gdb/selftest.exp (do_steps_and_nexts): Add new regexp.

View file

@ -61,7 +61,7 @@ int main (void)
int val;
x = 7;
y = 8;
y = 8; /* set mi break here */
result = func1 ();
result = func2 ();

View file

@ -13,6 +13,9 @@
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
load_lib mi-support.exp
set MIFLAGS "-i=mi"
standard_testfile .c inline-markers.c
if {[prepare_for_testing $testfile.exp $testfile \
@ -315,3 +318,62 @@ gdb_test "up" "#3 .*outer_inline2.*" "up to outer_inline2"
gdb_test "info frame" ".*inlined into frame.*" "outer_inline2 inlined"
gdb_test "up" "#4 main.*" "up from outer_inline2"
gdb_test "info frame" ".*\n caller of frame.*" "main not inlined"
gdb_exit
# Send a CLI "step" command over MI. CLI_OUTPUT_RE is a regexp that
# matches the expected CLI output. MESSAGE is used as test message.
proc mi_cli_step {cli_output_re message} {
global mi_gdb_prompt
global srcfile
global decimal
send_gdb "interpreter-exec console \"step\"\n"
gdb_expect {
-re "\\^running\r\n\\*running,thread-id=\"all\"\r\n${mi_gdb_prompt}${cli_output_re}" {
pass $message
}
timeout {
fail "$message (timeout)"
}
eof {
fail "$message (eof)"
}
}
# mi_expect_stop handles "set mi-async on/off" differences.
mi_expect_stop "end-stepping-range" "\[^\r\n\]*" "" ".*$srcfile" "$decimal" \
"" "got *stopped for $message"
}
# Test that stepping into an inlined function with the CLI "step"
# command run while the top interpreter is MI results in the expected
# CLI output sent to MI's console.
with_test_prefix "mi" {
if [mi_gdb_start] {
continue
}
mi_gdb_load ${binfile}
mi_runto main
set line_number [gdb_get_line_number "set mi break here"]
mi_gdb_test "-break-insert ${srcfile}:${line_number}" \
{\^done,bkpt=.number="2",type="breakpoint".*\}} \
"set breakpoint"
mi_execute_to "exec-continue" "breakpoint-hit" "main" "" ".*" ".*" \
{ "" "disp=\"keep\"" } "breakpoint hit"
incr line_number 2
# Step to the line that does an inline call.
set re "~\"$line_number\\\\t result = func1 \\(\\);\\\\n\"\r\n"
mi_cli_step "${re}" "step to inline call"
# Step into the inlined function.
set re [multi_line \
"~\"func1 \\(\\) at .*$srcfile:$decimal\\\\n\"" \
"~\"$decimal\\\\t bar \\(\\);\\\\n\"\r\n"]
mi_cli_step "${re}" "step into inline call"
}

View file

@ -22,8 +22,10 @@
/* See thread-fsm.h. */
void
thread_fsm_ctor (struct thread_fsm *self, struct thread_fsm_ops *ops)
thread_fsm_ctor (struct thread_fsm *self, struct thread_fsm_ops *ops,
struct interp *cmd_interp)
{
self->command_interp = cmd_interp;
self->finished = 0;
self->ops = ops;
}
@ -44,18 +46,18 @@ thread_fsm_delete (struct thread_fsm *self)
/* See thread-fsm.h. */
void
thread_fsm_clean_up (struct thread_fsm *self)
thread_fsm_clean_up (struct thread_fsm *self, struct thread_info *thread)
{
if (self->ops->clean_up != NULL)
self->ops->clean_up (self);
self->ops->clean_up (self, thread);
}
/* See thread-fsm.h. */
int
thread_fsm_should_stop (struct thread_fsm *self)
thread_fsm_should_stop (struct thread_fsm *self, struct thread_info *thread)
{
return self->ops->should_stop (self);
return self->ops->should_stop (self, thread);
}
/* See thread-fsm.h. */

View file

@ -35,6 +35,14 @@ struct thread_fsm
/* Whether the FSM is done successfully. */
int finished;
/* The interpreter that issued the execution command that caused
this thread to resume. If the top level interpreter is MI/async,
and the execution command was a CLI command (next/step/etc.),
we'll want to print stop event output to the MI console channel
(the stepped-to line, etc.), as if the user entered the execution
command on a real GDB console. */
struct interp *command_interp;
};
/* The virtual table of a thread_fsm. */
@ -49,7 +57,7 @@ struct thread_fsm_ops
/* Called to clean up target resources after the FSM. E.g., if the
FSM created internal breakpoints, this is where they should be
deleted. */
void (*clean_up) (struct thread_fsm *self);
void (*clean_up) (struct thread_fsm *self, struct thread_info *thread);
/* Called after handle_inferior_event decides the target is done
(that is, after stop_waiting). The FSM is given a chance to
@ -58,7 +66,7 @@ struct thread_fsm_ops
should be re-resumed. This is a good place to cache target data
too. For example, the "finish" command saves the just-finished
function's return value here. */
int (*should_stop) (struct thread_fsm *self);
int (*should_stop) (struct thread_fsm *self, struct thread_info *thread);
/* If this FSM saved a function's return value, you can use this
method to retrieve it. Otherwise, this returns NULL. */
@ -72,17 +80,20 @@ struct thread_fsm_ops
int (*should_notify_stop) (struct thread_fsm *self);
};
/* Initialize FSM. */
extern void thread_fsm_ctor (struct thread_fsm *fsm,
struct thread_fsm_ops *ops);
extern void thread_fsm_ctor (struct thread_fsm *self,
struct thread_fsm_ops *ops,
struct interp *cmd_interp);
/* Calls the FSM's dtor method, and then frees FSM. */
extern void thread_fsm_delete (struct thread_fsm *fsm);
/* Calls the FSM's clean_up method. */
extern void thread_fsm_clean_up (struct thread_fsm *fsm);
extern void thread_fsm_clean_up (struct thread_fsm *fsm,
struct thread_info *thread);
/* Calls the FSM's should_stop method. */
extern int thread_fsm_should_stop (struct thread_fsm *fsm);
extern int thread_fsm_should_stop (struct thread_fsm *fsm,
struct thread_info *thread);
/* Calls the FSM's return_value method. */
extern struct return_value_info *

View file

@ -166,7 +166,7 @@ thread_cancel_execution_command (struct thread_info *thr)
{
if (thr->thread_fsm != NULL)
{
thread_fsm_clean_up (thr->thread_fsm);
thread_fsm_clean_up (thr->thread_fsm, thr);
thread_fsm_delete (thr->thread_fsm);
thr->thread_fsm = NULL;
}