WebSVN – HelenOS – Diff – /branches/tracing/kernel/generic/src/udebug/udebug_ops.c



    int reply;
 
    thread_t *t;
    link_t *cur;
 
    LOG("Debugging task %llu", TASK->taskid);
 
    mutex_lock(&TASK->udebug.lock);
 
 
    if (TASK->udebug.dt_state != UDEBUG_TS_INACTIVE) {
        mutex_unlock(&TASK->udebug.lock);
 
 
        return EBUSY;
    }
 
    TASK->udebug.dt_state = UDEBUG_TS_BEGINNING;
    TASK->udebug.begin_call = call;

            t->udebug.active = true;
        mutex_unlock(&t->udebug.lock);
    }
 
    mutex_unlock(&TASK->udebug.lock);
 
 
 
 
    return reply;
}
 
/** Finish debugging the current task.
 *

 */
int udebug_end(void)
{
    int rc;
 
    LOG("Task %" PRIu64, TASK->taskid);
 
    mutex_lock(&TASK->udebug.lock);
 
 
    rc = udebug_task_cleanup(TASK);
 
    mutex_unlock(&TASK->udebug.lock);
 
    return rc;
}
 

 * @param mask  Or combination of events that should be enabled.
 * @return  Zero on success or negative error code.
 */
int udebug_set_evmask(udebug_evmask_t mask)
{
    LOG("mask = 0x%x", mask);
 
    mutex_lock(&TASK->udebug.lock);
 
    if (TASK->udebug.dt_state != UDEBUG_TS_ACTIVE) {
        mutex_unlock(&TASK->udebug.lock);
 
 
        return EINVAL;
    }
 
    TASK->udebug.evmask = mask;
 
    mutex_unlock(&TASK->udebug.lock);
 
    return 0;
}
 

 */
int udebug_stop(thread_t *t, call_t *call)
{
    int rc;
 
    LOG("udebug_stop()");
 
    /*
     * On success, this will lock t->udebug.lock. Note that this makes sure
     * the thread is not stopped.
     */

    }
 
    /*
     * Answer GO call.
     */
 
 
    /* Make sure nobody takes this call away from us. */
    call = t->udebug.go_call;
    t->udebug.go_call = NULL;
 
    IPC_SET_RETVAL(call->data, 0);
    IPC_SET_ARG1(call->data, UDEBUG_EVENT_STOP);
 
 
    THREAD->udebug.cur_event = UDEBUG_EVENT_STOP;
 
    _thread_op_end(t);
 
    mutex_lock(&TASK->udebug.lock);
    ipc_answer(&TASK->answerbox, call);
    mutex_unlock(&TASK->udebug.lock);
 
 
    return 0;
}
 
/** Read the list of userspace threads in the current task.
 *

    ipl_t ipl;
    unative_t *id_buffer;
    int flags;
    size_t max_ids;
 
    LOG("udebug_thread_read()");
 
    /* Allocate a buffer to hold thread IDs */
    id_buffer = malloc(buf_size, 0);
 
    mutex_lock(&TASK->udebug.lock);

Rev 4393	Rev 4692
Line 179...	Line 179...
179	int reply;	179	int reply;
180		180
181	thread_t *t;	181	thread_t *t;
182	link_t *cur;	182	link_t *cur;
183		183
184	LOG("udebug_begin()\n");	184	LOG("Debugging task %llu", TASK->taskid);
185		-
186	mutex_lock(&TASK->udebug.lock);	185	mutex_lock(&TASK->udebug.lock);
187	LOG("debugging task %llu\n", TASK->taskid);	-
188		186
189	if (TASK->udebug.dt_state != UDEBUG_TS_INACTIVE) {	187	if (TASK->udebug.dt_state != UDEBUG_TS_INACTIVE) {
190	mutex_unlock(&TASK->udebug.lock);	188	mutex_unlock(&TASK->udebug.lock);
191	LOG("udebug_begin(): busy error\n");	-
192		-
193	return EBUSY;	189	return EBUSY;
194	}	190	}
195		191
196	TASK->udebug.dt_state = UDEBUG_TS_BEGINNING;	192	TASK->udebug.dt_state = UDEBUG_TS_BEGINNING;
197	TASK->udebug.begin_call = call;	193	TASK->udebug.begin_call = call;
Line 215...	Line 211...
215	t->udebug.active = true;	211	t->udebug.active = true;
216	mutex_unlock(&t->udebug.lock);	212	mutex_unlock(&t->udebug.lock);
217	}	213	}
218		214
219	mutex_unlock(&TASK->udebug.lock);	215	mutex_unlock(&TASK->udebug.lock);
220		-
221	LOG("udebug_begin() done (%s)\n",	-
222	reply ? "reply" : "stoppability wait");	-
223		-
224	return reply;	216	return reply;
225	}	217	}
226		218
227	/** Finish debugging the current task.	219	/** Finish debugging the current task.
228	*	220	*
Line 231...	Line 223...
231	*/	223	*/
232	int udebug_end(void)	224	int udebug_end(void)
233	{	225	{
234	int rc;	226	int rc;
235		227
236	LOG("udebug_end()\n");	228	LOG("Task %" PRIu64, TASK->taskid);
237		229
238	mutex_lock(&TASK->udebug.lock);	230	mutex_lock(&TASK->udebug.lock);
239	LOG("task %" PRIu64 "\n", TASK->taskid);	-
240		-
241	rc = udebug_task_cleanup(TASK);	231	rc = udebug_task_cleanup(TASK);
242		-
243	mutex_unlock(&TASK->udebug.lock);	232	mutex_unlock(&TASK->udebug.lock);
244		233
245	return rc;	234	return rc;
246	}	235	}
247		236
Line 252...	Line 241...
252	* @param mask Or combination of events that should be enabled.	241	* @param mask Or combination of events that should be enabled.
253	* @return Zero on success or negative error code.	242	* @return Zero on success or negative error code.
254	*/	243	*/
255	int udebug_set_evmask(udebug_evmask_t mask)	244	int udebug_set_evmask(udebug_evmask_t mask)
256	{	245	{
257	LOG("udebug_set_mask()\n");	246	LOG("mask = 0x%x", mask);
258		247
259	mutex_lock(&TASK->udebug.lock);	248	mutex_lock(&TASK->udebug.lock);
260		249
261	if (TASK->udebug.dt_state != UDEBUG_TS_ACTIVE) {	250	if (TASK->udebug.dt_state != UDEBUG_TS_ACTIVE) {
262	mutex_unlock(&TASK->udebug.lock);	251	mutex_unlock(&TASK->udebug.lock);
263	LOG("udebug_set_mask(): not active debuging session\n");	-
264		-
265	return EINVAL;	252	return EINVAL;
266	}	253	}
267		254
268	TASK->udebug.evmask = mask;	255	TASK->udebug.evmask = mask;
269		-
270	mutex_unlock(&TASK->udebug.lock);	256	mutex_unlock(&TASK->udebug.lock);
271		257
272	return 0;	258	return 0;
273	}	259	}
274		260
Line 315...	Line 301...
315	*/	301	*/
316	int udebug_stop(thread_t t, call_t call)	302	int udebug_stop(thread_t t, call_t call)
317	{	303	{
318	int rc;	304	int rc;
319		305
320	LOG("udebug_stop()\n");	306	LOG("udebug_stop()");
321		307
322	/*	308	/*
323	* On success, this will lock t->udebug.lock. Note that this makes sure	309	* On success, this will lock t->udebug.lock. Note that this makes sure
324	* the thread is not stopped.	310	* the thread is not stopped.
325	*/	311	*/
Line 338...	Line 324...
338	}	324	}
339		325
340	/*	326	/*
341	* Answer GO call.	327	* Answer GO call.
342	*/	328	*/
343	LOG("udebug_stop - answering go call\n");	-
344		329
345	/* Make sure nobody takes this call away from us. */	330	/* Make sure nobody takes this call away from us. */
346	call = t->udebug.go_call;	331	call = t->udebug.go_call;
347	t->udebug.go_call = NULL;	332	t->udebug.go_call = NULL;
348		333
349	IPC_SET_RETVAL(call->data, 0);	334	IPC_SET_RETVAL(call->data, 0);
350	IPC_SET_ARG1(call->data, UDEBUG_EVENT_STOP);	335	IPC_SET_ARG1(call->data, UDEBUG_EVENT_STOP);
351	LOG("udebug_stop/ipc_answer\n");	-
352		336
353	THREAD->udebug.cur_event = UDEBUG_EVENT_STOP;	337	THREAD->udebug.cur_event = UDEBUG_EVENT_STOP;
354		338
355	_thread_op_end(t);	339	_thread_op_end(t);
356		340
357	mutex_lock(&TASK->udebug.lock);	341	mutex_lock(&TASK->udebug.lock);
358	ipc_answer(&TASK->answerbox, call);	342	ipc_answer(&TASK->answerbox, call);
359	mutex_unlock(&TASK->udebug.lock);	343	mutex_unlock(&TASK->udebug.lock);
360		344
361	LOG("udebog_stop/done\n");	-
362	return 0;	345	return 0;
363	}	346	}
364		347
365	/** Read the list of userspace threads in the current task.	348	/** Read the list of userspace threads in the current task.
366	*	349	*
Line 390...	Line 373...
390	ipl_t ipl;	373	ipl_t ipl;
391	unative_t *id_buffer;	374	unative_t *id_buffer;
392	int flags;	375	int flags;
393	size_t max_ids;	376	size_t max_ids;
394		377
395	LOG("udebug_thread_read()\n");	378	LOG("udebug_thread_read()");
396		379
397	/* Allocate a buffer to hold thread IDs */	380	/* Allocate a buffer to hold thread IDs */
398	id_buffer = malloc(buf_size, 0);	381	id_buffer = malloc(buf_size, 0);
399		382
400	mutex_lock(&TASK->udebug.lock);	383	mutex_lock(&TASK->udebug.lock);

Subversion Repositories HelenOS

(root)/branches/tracing/kernel/generic/src/udebug/udebug_ops.c – Rev 4393 → 4692