1 /* Target-dependent code for ROCm.
3 Copyright (C) 2019-2020 Free Software Foundation, Inc.
4 Copyright (C) 2019-2020 Advanced Micro Devices, Inc. All rights reserved.
6 This file is part of GDB.
8 This program is free software; you can redistribute it and/or modify
9 it under the terms of the GNU General Public License as published by
10 the Free Software Foundation; either version 3 of the License, or
11 (at your option) any later version.
13 This program is distributed in the hope that it will be useful,
14 but WITHOUT ANY WARRANTY; without even the implied warranty of
15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 GNU General Public License for more details.
18 You should have received a copy of the GNU General Public License
19 along with this program. If not, see <http://www.gnu.org/licenses/>. */
23 #include "amdgcn-rocm-tdep.h"
24 #include "arch-utils.h"
25 #include "cli/cli-style.h"
27 #include "event-loop.h"
28 #include "filenames.h"
31 #include "gdbsupport/filestuff.h"
32 #include "gdbsupport/scoped_fd.h"
33 #include "gdbthread.h"
39 #include "observable.h"
40 #include "progspace-and-thread.h"
42 #include "rocm-tdep.h"
52 #include <unordered_map>
54 #include <amd-dbgapi.h>
56 /* Big enough to hold the size of the largest register in bytes. */
57 #define AMDGCN_MAX_REGISTER_SIZE 256
59 #define DEFINE_OBSERVABLE(name) decltype (name) name (#name)
61 DEFINE_OBSERVABLE (amd_dbgapi_activated
);
62 DEFINE_OBSERVABLE (amd_dbgapi_deactivated
);
63 DEFINE_OBSERVABLE (amd_dbgapi_code_object_list_updated
);
65 #undef DEFINE_OBSERVABLE
67 struct rocm_notify_shared_library_info
69 std::string compare
; /* Compare loaded library names with this string. */
70 struct so_list
*solib
;
74 /* ROCm-specific inferior data. */
76 struct rocm_inferior_info
78 /* The amd_dbgapi_process_id for this inferior. */
79 amd_dbgapi_process_id_t process_id
{ AMD_DBGAPI_PROCESS_NONE
};
81 /* The amd_dbgapi_notifier_t for this inferior. */
82 amd_dbgapi_notifier_t notifier
{ -1 };
84 /* True if commit_resume should all-start the GPU queues. */
85 bool commit_resume_all_start
;
87 std::unordered_map
<decltype (amd_dbgapi_breakpoint_id_t::handle
),
91 /* List of pending events the rocm target retrieved from the dbgapi. */
92 std::list
<std::pair
<amd_dbgapi_wave_id_t
, amd_dbgapi_wave_stop_reason_t
>>
95 /* Map of rocm_notify_shared_library_info's for libraries that have been
96 registered to receive notifications when loading/unloading. */
97 std::unordered_map
<decltype (amd_dbgapi_shared_library_id_t::handle
),
98 struct rocm_notify_shared_library_info
>
102 static amd_dbgapi_event_id_t
103 rocm_process_event_queue (amd_dbgapi_event_kind_t until_event_kind
104 = AMD_DBGAPI_EVENT_KIND_NONE
);
106 /* Return the inferior's rocm_inferior_info struct. */
107 static struct rocm_inferior_info
*
108 get_rocm_inferior_info (struct inferior
*inferior
= nullptr);
110 static const target_info rocm_ops_info
111 = { "rocm", N_ ("ROCm GPU debugging support"),
112 N_ ("ROCm GPU debugging support") };
114 static amd_dbgapi_log_level_t
get_debug_amd_dbgapi_log_level ();
116 struct rocm_target_ops final
: public target_ops
119 info () const override
121 return rocm_ops_info
;
124 stratum () const override
129 void mourn_inferior () override
;
131 void async (int enable
) override
;
133 ptid_t
wait (ptid_t
, struct target_waitstatus
*, int) override
;
134 void resume (ptid_t
, int, enum gdb_signal
) override
;
135 void commit_resume () override
;
136 void stop (ptid_t ptid
) override
;
138 void fetch_registers (struct regcache
*, int) override
;
139 void store_registers (struct regcache
*, int) override
;
141 void update_thread_list () override
;
143 struct gdbarch
*thread_architecture (ptid_t
) override
;
145 std::string
pid_to_str (ptid_t ptid
) override
;
147 const char *thread_name (thread_info
*tp
) override
;
149 const char *extra_thread_info (thread_info
*tp
) override
;
151 bool thread_alive (ptid_t ptid
) override
;
153 enum target_xfer_status
xfer_partial (enum target_object object
,
154 const char *annex
, gdb_byte
*readbuf
,
155 const gdb_byte
*writebuf
,
156 ULONGEST offset
, ULONGEST len
,
157 ULONGEST
*xfered_len
) override
;
160 stopped_by_watchpoint () override
162 return !ptid_is_gpu (inferior_ptid
)
163 && beneath ()->stopped_by_watchpoint ();
167 stopped_data_address (CORE_ADDR
*addr_p
) override
169 return !ptid_is_gpu (inferior_ptid
)
170 && beneath ()->stopped_data_address (addr_p
);
174 supports_stopped_by_sw_breakpoint () override
179 bool stopped_by_sw_breakpoint () override
;
182 stopped_by_hw_breakpoint () override
184 return !ptid_is_gpu (inferior_ptid
)
185 && beneath ()->stopped_by_hw_breakpoint ();
189 /* ROCm's target vector. */
190 static struct rocm_target_ops rocm_ops
;
192 /* ROCm breakpoint ops. */
193 static struct breakpoint_ops rocm_breakpoint_ops
;
195 /* Per-inferior data key. */
196 static const struct inferior_key
<rocm_inferior_info
> rocm_inferior_data
;
198 /* The read/write ends of the pipe registered as waitable file in the
200 static int rocm_event_pipe
[2] = { -1, -1 };
202 /* Flush the event pipe. */
205 async_file_flush (void)
212 ret
= read (rocm_event_pipe
[0], &buf
, 1);
214 while (ret
>= 0 || (ret
== -1 && errno
== EINTR
));
217 /* Put something (anything, doesn't matter what, or how much) in event
218 pipe, so that the select/poll in the event-loop realizes we have
219 something to process. */
222 async_file_mark (void)
226 /* It doesn't really matter what the pipe contains, as long we end
227 up with something in it. Might as well flush the previous
233 ret
= write (rocm_event_pipe
[1], "+", 1);
235 while (ret
== -1 && errno
== EINTR
);
237 /* Ignore EAGAIN. If the pipe is full, the event loop will already
238 be awakened anyway. */
241 /* Fetch the rocm_inferior_info data for the given inferior. */
243 static struct rocm_inferior_info
*
244 get_rocm_inferior_info (struct inferior
*inferior
)
247 inferior
= current_inferior ();
249 struct rocm_inferior_info
*info
= rocm_inferior_data
.get (inferior
);
252 info
= rocm_inferior_data
.emplace (inferior
);
257 /* Fetch the amd_dbgapi_process_id for the given inferior. */
259 amd_dbgapi_process_id_t
260 get_amd_dbgapi_process_id (struct inferior
*inferior
)
262 return get_rocm_inferior_info (inferior
)->process_id
;
266 rocm_breakpoint_re_set (struct breakpoint
*b
)
271 rocm_breakpoint_check_status (struct bpstats
*bs
)
273 struct rocm_inferior_info
*info
= get_rocm_inferior_info ();
274 amd_dbgapi_process_id_t process_id
= info
->process_id
;
275 amd_dbgapi_status_t status
;
278 bs
->print_it
= print_it_noop
;
280 /* Find the address the breakpoint is set at. */
281 auto it
= std::find_if (
282 info
->breakpoint_map
.begin (), info
->breakpoint_map
.end (),
283 [=] (const decltype (info
->breakpoint_map
)::value_type
&value
) {
284 return value
.second
== bs
->breakpoint_at
;
287 if (it
== info
->breakpoint_map
.end ())
288 error (_ ("Could not find breakpoint_id for breakpoint at %#lx"),
289 bs
->bp_location_at
->address
);
291 amd_dbgapi_breakpoint_id_t breakpoint_id
{ it
->first
};
292 amd_dbgapi_breakpoint_action_t action
;
294 status
= amd_dbgapi_report_breakpoint_hit (process_id
, breakpoint_id
,
295 inferior_thread (), &action
);
297 if (status
!= AMD_DBGAPI_STATUS_SUCCESS
)
298 error (_ ("amd_dbgapi_report_breakpoint_hit failed: breakpoint_%ld "
300 breakpoint_id
.handle
, bs
->bp_location_at
->address
, status
);
302 if (action
== AMD_DBGAPI_BREAKPOINT_ACTION_RESUME
)
305 /* If the action is AMD_DBGAPI_BREAKPOINT_ACTION_HALT, we need to wait until
306 a breakpoint resume event for this breakpoint_id is seen. */
308 amd_dbgapi_event_id_t resume_event_id
309 = rocm_process_event_queue (AMD_DBGAPI_EVENT_KIND_BREAKPOINT_RESUME
);
311 /* We should always get a breakpoint_resume event after processing all
312 events generated by reporting the breakpoint was hit. */
313 gdb_assert (resume_event_id
.handle
!= AMD_DBGAPI_EVENT_NONE
.handle
);
315 amd_dbgapi_breakpoint_id_t resume_breakpoint_id
;
316 status
= amd_dbgapi_event_get_info (
317 process_id
, resume_event_id
, AMD_DBGAPI_EVENT_INFO_BREAKPOINT
,
318 sizeof (resume_breakpoint_id
), &resume_breakpoint_id
);
320 if (status
!= AMD_DBGAPI_STATUS_SUCCESS
)
321 error (_ ("amd_dbgapi_event_get_info failed (rc=%d)"), status
);
323 /* The debugger API guarantees that [breakpoint_hit...resume_breakpoint]
324 sequences cannot interleave, so this breakpoint resume event must be
325 for our breakpoint_id. */
326 if (resume_breakpoint_id
.handle
!= breakpoint_id
.handle
)
327 error (_ ("breakpoint resume event is not for this breakpoint. "
328 "Expected breakpoint_%ld, got breakpoint_%ld"),
329 breakpoint_id
.handle
, resume_breakpoint_id
.handle
);
331 amd_dbgapi_event_processed (process_id
, resume_event_id
);
335 rocm_target_dbgapi_activated ()
337 /* FIXME: only push on the first activation. */
338 /* Engage the ROCm target_ops and so_ops. */
339 push_target (&rocm_ops
);
343 rocm_target_dbgapi_deactivated ()
345 /* FIXME: only unpush on the last activation. */
346 /* Disengage the ROCm target_ops. */
347 unpush_target (&rocm_ops
);
351 rocm_target_ops::thread_alive (ptid_t ptid
)
353 if (!ptid_is_gpu (ptid
))
354 return beneath ()->thread_alive (ptid
);
356 /* Check that the wave_id is valid. */
358 inferior
*inf
= find_inferior_ptid (ptid
);
362 amd_dbgapi_wave_state_t state
;
363 return amd_dbgapi_wave_get_info (
364 get_amd_dbgapi_process_id (inf
), get_amd_dbgapi_wave_id (ptid
),
365 AMD_DBGAPI_WAVE_INFO_STATE
, sizeof (state
), &state
)
366 == AMD_DBGAPI_STATUS_SUCCESS
;
370 rocm_target_ops::thread_name (thread_info
*tp
)
372 if (!ptid_is_gpu (tp
->ptid
))
373 return beneath ()->thread_name (tp
);
375 amd_dbgapi_process_id_t process_id
= get_amd_dbgapi_process_id (tp
->inf
);
376 amd_dbgapi_wave_id_t wave_id
= get_amd_dbgapi_wave_id (tp
->ptid
);
377 amd_dbgapi_dispatch_id_t dispatch_id
;
378 amd_dbgapi_global_address_t kernel_addr
;
380 if (amd_dbgapi_wave_get_info (process_id
, wave_id
,
381 AMD_DBGAPI_WAVE_INFO_DISPATCH
,
382 sizeof (dispatch_id
), &dispatch_id
)
383 != AMD_DBGAPI_STATUS_SUCCESS
384 || amd_dbgapi_dispatch_get_info (
385 process_id
, dispatch_id
,
386 AMD_DBGAPI_DISPATCH_INFO_KERNEL_ENTRY_ADDRESS
,
387 sizeof (kernel_addr
), &kernel_addr
)
388 != AMD_DBGAPI_STATUS_SUCCESS
)
391 struct bound_minimal_symbol msymbol
392 = lookup_minimal_symbol_by_pc_section (kernel_addr
, nullptr);
394 if (msymbol
.minsym
!= NULL
)
396 static char buf
[256];
399 xsnprintf (buf
, sizeof (buf
), "%s", msymbol
.minsym
->print_name ());
401 /* Strip the arguments from the demangled function name. */
402 if ((endp
= strchr (buf
, '(')))
412 rocm_target_ops::pid_to_str (ptid_t ptid
)
414 if (!ptid_is_gpu (ptid
))
416 return beneath ()->pid_to_str (ptid
);
419 amd_dbgapi_process_id_t process_id
= get_amd_dbgapi_process_id ();
420 amd_dbgapi_wave_id_t wave_id
= get_amd_dbgapi_wave_id (ptid
);
421 amd_dbgapi_dispatch_id_t dispatch_id
;
422 uint32_t group_ids
[3], wave_in_group
;
424 if (amd_dbgapi_wave_get_info (process_id
, wave_id
,
425 AMD_DBGAPI_WAVE_INFO_DISPATCH
,
426 sizeof (dispatch_id
), &dispatch_id
)
427 != AMD_DBGAPI_STATUS_SUCCESS
428 || amd_dbgapi_wave_get_info (process_id
, wave_id
,
429 AMD_DBGAPI_WAVE_INFO_WORK_GROUP_COORD
,
430 sizeof (group_ids
), &group_ids
)
431 != AMD_DBGAPI_STATUS_SUCCESS
432 || amd_dbgapi_wave_get_info (
434 AMD_DBGAPI_WAVE_INFO_WAVE_NUMBER_IN_WORK_GROUP
,
435 sizeof (wave_in_group
), &wave_in_group
)
436 != AMD_DBGAPI_STATUS_SUCCESS
)
437 return std::string ("AMDGPU Thread");
439 return string_printf ("AMDGPU Thread %ld.%ld (%d,%d,%d)/%d",
440 dispatch_id
.handle
, wave_id
.handle
, group_ids
[2],
441 group_ids
[1], group_ids
[0], wave_in_group
);
445 rocm_target_ops::extra_thread_info (thread_info
*tp
)
447 if (!ptid_is_gpu (tp
->ptid
))
448 beneath ()->extra_thread_info (tp
);
453 enum target_xfer_status
454 rocm_target_ops::xfer_partial (enum target_object object
, const char *annex
,
455 gdb_byte
*readbuf
, const gdb_byte
*writebuf
,
456 ULONGEST offset
, ULONGEST requested_len
,
457 ULONGEST
*xfered_len
)
459 gdb::optional
<scoped_restore_current_thread
> maybe_restore_thread
;
461 if (ptid_is_gpu (inferior_ptid
))
463 gdb_assert (requested_len
&& xfered_len
&& "checking invariants");
465 if (object
!= TARGET_OBJECT_MEMORY
)
466 return TARGET_XFER_E_IO
;
468 amd_dbgapi_process_id_t process_id
= get_amd_dbgapi_process_id ();
469 amd_dbgapi_wave_id_t wave_id
= get_amd_dbgapi_wave_id (inferior_ptid
);
471 amd_dbgapi_architecture_id_t architecture_id
;
472 amd_dbgapi_address_space_id_t address_space_id
;
474 if (amd_dbgapi_wave_get_info (process_id
, wave_id
,
475 AMD_DBGAPI_WAVE_INFO_ARCHITECTURE
,
476 sizeof (architecture_id
), &architecture_id
)
477 != AMD_DBGAPI_STATUS_SUCCESS
478 || amd_dbgapi_architecture_get_info (
480 AMD_DBGAPI_ARCHITECTURE_INFO_DEFAULT_GLOBAL_ADDRESS_SPACE
,
481 sizeof (address_space_id
), &address_space_id
)
482 != AMD_DBGAPI_STATUS_SUCCESS
)
483 return TARGET_XFER_EOF
;
485 size_t len
= requested_len
;
486 amd_dbgapi_status_t status
;
489 status
= amd_dbgapi_read_memory (
490 process_id
, wave_id
, 0, address_space_id
, offset
, &len
, readbuf
);
492 status
= amd_dbgapi_write_memory (
493 process_id
, wave_id
, 0, address_space_id
, offset
, &len
, writebuf
);
495 if (status
!= AMD_DBGAPI_STATUS_SUCCESS
)
496 return TARGET_XFER_EOF
;
499 return TARGET_XFER_OK
;
502 return beneath ()->xfer_partial (object
, annex
, readbuf
, writebuf
, offset
,
503 requested_len
, xfered_len
);
507 rocm_target_ops::resume (ptid_t ptid
, int step
, enum gdb_signal signo
)
509 struct rocm_inferior_info
*info
= get_rocm_inferior_info ();
514 "\e[1;34minfrun: rocm_target_ops::resume ([%d,%ld,%ld])\e[0m\n",
515 ptid
.pid (), ptid
.lwp (), ptid
.tid ());
517 /* Check if the thread focus is on the GPU device. */
518 if (ptid
== minus_one_ptid
|| !ptid_is_gpu (ptid
))
520 beneath ()->resume (ptid
, step
, signo
);
521 if (ptid
!= minus_one_ptid
)
525 /* A specific PTID means `step only this process id'. */
526 bool resume_one
= ptid
!= minus_one_ptid
&& !ptid
.is_pid ();
527 gdb_assert (resume_one
|| !step
);
530 error (_ ("internal error - unimplemented "));
532 amd_dbgapi_process_set_progress (info
->process_id
,
533 AMD_DBGAPI_PROGRESS_NO_FORWARD
);
535 amd_dbgapi_status_t status
= amd_dbgapi_wave_resume (
536 info
->process_id
, get_amd_dbgapi_wave_id (ptid
),
537 step
? AMD_DBGAPI_RESUME_MODE_SINGLE_STEP
538 : AMD_DBGAPI_RESUME_MODE_NORMAL
);
539 if (status
!= AMD_DBGAPI_STATUS_SUCCESS
)
540 warning (_ ("Could not resume %s (rc=%d)"),
541 target_pid_to_str (ptid
).c_str (), status
);
543 info
->commit_resume_all_start
= true;
547 rocm_target_ops::commit_resume ()
549 struct rocm_inferior_info
*info
= get_rocm_inferior_info ();
554 "\e[1;34minfrun: rocm_target_ops::commit_resume ()\e[0m\n");
556 beneath ()->commit_resume ();
558 if (info
->commit_resume_all_start
)
560 amd_dbgapi_process_set_progress (info
->process_id
,
561 AMD_DBGAPI_PROGRESS_NORMAL
);
562 info
->commit_resume_all_start
= false;
565 if (target_can_async_p ())
570 rocm_target_stop_one_wave (ptid_t ptid
)
572 amd_dbgapi_status_t status
;
574 status
= amd_dbgapi_wave_stop (get_amd_dbgapi_process_id (),
575 get_amd_dbgapi_wave_id (ptid
));
577 if (status
== AMD_DBGAPI_STATUS_ERROR_INVALID_WAVE_ID
)
579 /* the wave must have exited, set the thread status to reflect that. */
580 auto *tp
= find_thread_ptid (ptid
);
583 tp
->state
= THREAD_EXITED
;
585 else if (status
!= AMD_DBGAPI_STATUS_SUCCESS
)
586 warning (_ ("Could not stop %s (rc=%d)"),
587 target_pid_to_str (ptid
).c_str (), status
);
591 rocm_target_ops::stop (ptid_t ptid
)
596 "\e[1;34minfrun: rocm_target_ops::stop ([%d,%ld,%ld])\e[0m\n",
597 ptid
.pid (), ptid
.lwp (), ptid
.tid ());
599 if (ptid
== minus_one_ptid
|| !ptid_is_gpu (ptid
))
601 beneath ()->stop (ptid
);
602 if (ptid
!= minus_one_ptid
)
606 if (ptid
== minus_one_ptid
)
607 error (_ ("internal error - unimplemented "));
609 rocm_target_stop_one_wave (ptid
);
613 handle_target_event (int error
, gdb_client_data client_data
)
615 struct rocm_inferior_info
*info
= get_rocm_inferior_info ();
616 amd_dbgapi_process_id_t process_id
= info
->process_id
;
618 amd_dbgapi_process_set_progress (process_id
, AMD_DBGAPI_PROGRESS_NO_FORWARD
);
620 /* Flush the async file first. */
621 if (target_is_async_p ())
624 rocm_process_event_queue ();
626 /* In all-stop mode, unless the event queue is empty (spurious wake-up),
627 we can keep the process in progress_no_forward mode. The infrun loop
628 will enable forward progress when a thread is resumed. */
629 if (non_stop
|| info
->wave_stop_events
.empty ())
630 amd_dbgapi_process_set_progress (process_id
, AMD_DBGAPI_PROGRESS_NORMAL
);
632 if (!info
->wave_stop_events
.empty ())
633 inferior_event_handler (INF_REG_EVENT
, nullptr);
637 rocm_target_ops::async (int enable
)
639 beneath ()->async (enable
);
643 if (rocm_event_pipe
[0] != -1)
646 if (gdb_pipe_cloexec (rocm_event_pipe
) == -1)
647 internal_error (__FILE__
, __LINE__
, "creating event pipe failed.");
649 ::fcntl (rocm_event_pipe
[0], F_SETFL
, O_NONBLOCK
);
650 ::fcntl (rocm_event_pipe
[1], F_SETFL
, O_NONBLOCK
);
652 add_file_handler (rocm_event_pipe
[0], handle_target_event
, nullptr);
654 /* There may be pending events to handle. Tell the event loop
660 delete_file_handler (rocm_event_pipe
[0]);
662 if (rocm_event_pipe
[0] == -1)
665 ::close (rocm_event_pipe
[0]);
666 ::close (rocm_event_pipe
[1]);
667 rocm_event_pipe
[0] = -1;
668 rocm_event_pipe
[1] = -1;
673 rocm_process_one_event (amd_dbgapi_event_id_t event_id
,
674 amd_dbgapi_event_kind_t event_kind
)
676 struct rocm_inferior_info
*info
= get_rocm_inferior_info ();
677 amd_dbgapi_process_id_t process_id
= info
->process_id
;
678 amd_dbgapi_status_t status
;
682 case AMD_DBGAPI_EVENT_KIND_WAVE_STOP
:
684 amd_dbgapi_wave_id_t wave_id
;
685 if ((status
= amd_dbgapi_event_get_info (process_id
, event_id
,
686 AMD_DBGAPI_EVENT_INFO_WAVE
,
687 sizeof (wave_id
), &wave_id
))
688 != AMD_DBGAPI_STATUS_SUCCESS
)
689 error (_ ("event_get_info for event_%ld failed (rc=%d)"),
690 event_id
.handle
, status
);
692 amd_dbgapi_wave_stop_reason_t stop_reason
;
693 status
= amd_dbgapi_wave_get_info (process_id
, wave_id
,
694 AMD_DBGAPI_WAVE_INFO_STOP_REASON
,
695 sizeof (stop_reason
), &stop_reason
);
697 if (status
!= AMD_DBGAPI_STATUS_SUCCESS
698 && status
!= AMD_DBGAPI_STATUS_ERROR_INVALID_WAVE_ID
)
699 error (_ ("wave_get_info for wave_%ld failed (rc=%d)"),
700 wave_id
.handle
, status
);
702 /* The wave may have exited, or the queue went into an error
703 state. In such cases, we will see another wave command
704 terminated event, and handle the wave termination then. */
706 if (status
== AMD_DBGAPI_STATUS_SUCCESS
)
707 info
->wave_stop_events
.emplace_back (
708 std::make_pair (wave_id
, stop_reason
));
712 case AMD_DBGAPI_EVENT_KIND_CODE_OBJECT_LIST_UPDATED
:
713 amd_dbgapi_code_object_list_updated
.notify ();
716 case AMD_DBGAPI_EVENT_KIND_BREAKPOINT_RESUME
:
717 /* Breakpoint resume events should be handled by the breakpoint
718 action, and this code should not reach this. */
719 gdb_assert_not_reached (_ ("unhandled event kind"));
722 case AMD_DBGAPI_EVENT_KIND_RUNTIME
:
724 amd_dbgapi_runtime_state_t runtime_state
;
726 if ((status
= amd_dbgapi_event_get_info (
727 process_id
, event_id
, AMD_DBGAPI_EVENT_INFO_RUNTIME_STATE
,
728 sizeof (runtime_state
), &runtime_state
))
729 != AMD_DBGAPI_STATUS_SUCCESS
)
730 error (_ ("event_get_info for event_%ld failed (rc=%d)"),
731 event_id
.handle
, status
);
733 switch (runtime_state
)
735 case AMD_DBGAPI_RUNTIME_STATE_LOADED_SUPPORTED
:
736 amd_dbgapi_activated
.notify ();
738 case AMD_DBGAPI_RUNTIME_STATE_LOADED_UNSUPPORTED
:
739 warning (_ ("ROCm-GDB: low-level runtime version not supported"));
742 case AMD_DBGAPI_RUNTIME_STATE_UNLOADED
:
743 amd_dbgapi_deactivated
.notify ();
750 error (_ ("event kind (%d) not supported"), event_kind
);
753 amd_dbgapi_event_processed (process_id
, event_id
);
756 /* Drain the amd_dbgapi event queue until an event of the given type is seen.
757 If no particular event kind is specified (AMD_DBGAPI_EVENT_KIND_NONE), the
758 event queue is completely drained. Wave stop events that are not returned
759 are re-queued into the current's process pending wave events. */
760 static amd_dbgapi_event_id_t
761 rocm_process_event_queue (amd_dbgapi_event_kind_t until_event_kind
)
763 struct rocm_inferior_info
*info
= get_rocm_inferior_info ();
767 amd_dbgapi_event_id_t event_id
;
768 amd_dbgapi_event_kind_t event_kind
;
770 amd_dbgapi_status_t status
= amd_dbgapi_next_pending_event (
771 info
->process_id
, &event_id
, &event_kind
);
773 if (status
!= AMD_DBGAPI_STATUS_SUCCESS
)
774 error (_ ("next_pending_event failed (rc=%d)"), status
);
776 if (event_id
.handle
== AMD_DBGAPI_EVENT_NONE
.handle
777 || event_kind
== until_event_kind
)
780 rocm_process_one_event (event_id
, event_kind
);
785 rocm_target_ops::wait (ptid_t ptid
, struct target_waitstatus
*ws
,
789 fprintf_unfiltered (gdb_stdlog
,
790 "\e[1;34minfrun: rocm_target_ops::wait\e[0m\n");
792 if (!ptid_is_gpu (ptid
))
794 ptid_t event_ptid
= beneath ()->wait (ptid
, ws
, target_options
);
795 if (event_ptid
!= minus_one_ptid
)
799 struct rocm_inferior_info
*info
= get_rocm_inferior_info ();
800 amd_dbgapi_process_id_t process_id
= info
->process_id
;
802 /* Drain all the events from the amd_dbgapi, and preserve the ordering. */
803 if (info
->wave_stop_events
.empty ())
805 amd_dbgapi_process_set_progress (process_id
,
806 AMD_DBGAPI_PROGRESS_NO_FORWARD
);
808 /* Flush the async file first. */
809 if (target_is_async_p ())
812 rocm_process_event_queue ();
814 /* In all-stop mode, unless the event queue is empty (spurious wake-up),
815 we can keep the process in progress_no_forward mode. The infrun loop
816 will enable forward progress when a thread is resumed. */
817 if (non_stop
|| info
->wave_stop_events
.empty ())
818 amd_dbgapi_process_set_progress (process_id
,
819 AMD_DBGAPI_PROGRESS_NORMAL
);
822 if (info
->wave_stop_events
.empty ())
823 return minus_one_ptid
;
825 amd_dbgapi_wave_id_t event_wave_id
;
826 amd_dbgapi_wave_stop_reason_t stop_reason
;
828 std::tie (event_wave_id
, stop_reason
) = info
->wave_stop_events
.front ();
829 info
->wave_stop_events
.pop_front ();
831 ptid_t
event_ptid (current_inferior ()->pid
, 1, event_wave_id
.handle
);
833 if (!find_thread_ptid (event_ptid
))
835 add_thread_silent (event_ptid
);
836 set_running (event_ptid
, 1);
837 set_executing (event_ptid
, 1);
840 /* Since we are manipulating the register cache for the event thread,
841 make sure it is the current thread. */
842 switch_to_thread (event_ptid
);
844 /* By caching the PC now, we avoid having to suspend/resume the queue
845 later when we need to access it. */
846 amd_dbgapi_global_address_t stop_pc
;
847 if (amd_dbgapi_wave_get_info (process_id
, event_wave_id
,
848 AMD_DBGAPI_WAVE_INFO_PC
, sizeof (stop_pc
),
850 == AMD_DBGAPI_STATUS_SUCCESS
)
852 struct regcache
*regcache
= get_thread_regcache (event_ptid
);
853 regcache
->raw_supply (gdbarch_pc_regnum (regcache
->arch ()), &stop_pc
);
855 ws
->kind
= TARGET_WAITKIND_STOPPED
;
858 & (AMD_DBGAPI_WAVE_STOP_REASON_BREAKPOINT
859 | AMD_DBGAPI_WAVE_STOP_REASON_SINGLE_STEP
))
860 ws
->value
.sig
= GDB_SIGNAL_TRAP
;
861 else if (stop_reason
& AMD_DBGAPI_WAVE_STOP_REASON_MEMORY_VIOLATION
)
862 ws
->value
.sig
= GDB_SIGNAL_SEGV
;
864 & (AMD_DBGAPI_WAVE_STOP_REASON_FP_INPUT_DENORMAL
865 | AMD_DBGAPI_WAVE_STOP_REASON_FP_DIVIDE_BY_0
866 | AMD_DBGAPI_WAVE_STOP_REASON_FP_OVERFLOW
867 | AMD_DBGAPI_WAVE_STOP_REASON_FP_UNDERFLOW
868 | AMD_DBGAPI_WAVE_STOP_REASON_FP_INEXACT
869 | AMD_DBGAPI_WAVE_STOP_REASON_FP_INVALID_OPERATION
870 | AMD_DBGAPI_WAVE_STOP_REASON_INT_DIVIDE_BY_0
))
871 ws
->value
.sig
= GDB_SIGNAL_FPE
;
873 ws
->value
.sig
= GDB_SIGNAL_0
;
875 /* If there are more events in the list, mark the async file so that
876 rocm_target_ops::wait gets called again. */
877 if (target_is_async_p () && !info
->wave_stop_events
.empty ())
884 rocm_target_ops::stopped_by_sw_breakpoint ()
886 if (!ptid_is_gpu (inferior_ptid
))
887 return beneath ()->supports_stopped_by_sw_breakpoint ()
888 && beneath ()->stopped_by_sw_breakpoint ();
890 /* FIXME: we should check that the wave is not single-stepping. */
892 struct regcache
*regcache
= get_thread_regcache (inferior_ptid
);
894 CORE_ADDR bkpt_pc
= regcache_read_pc (regcache
)
895 - gdbarch_decr_pc_after_break (regcache
->arch ());
897 return software_breakpoint_inserted_here_p (regcache
->aspace (), bkpt_pc
);
901 rocm_target_ops::mourn_inferior ()
903 /* FIXME: only unpush on the last activation. */
904 /* Disengage the ROCm target_ops. */
905 unpush_target (&rocm_ops
);
907 beneath ()->mourn_inferior ();
911 rocm_target_ops::fetch_registers (struct regcache
*regcache
, int regno
)
913 struct gdbarch
*gdbarch
= regcache
->arch ();
914 struct gdbarch_tdep
*tdep
= gdbarch_tdep (gdbarch
);
916 /* delegate to the host routines when not on the device */
918 if (!rocm_is_amdgcn_gdbarch (gdbarch
))
920 beneath ()->fetch_registers (regcache
, regno
);
924 inferior
*inf
= find_inferior_ptid (regcache
->ptid ());
925 amd_dbgapi_process_id_t process_id
= get_amd_dbgapi_process_id (inf
);
926 amd_dbgapi_wave_id_t wave_id
= get_amd_dbgapi_wave_id (regcache
->ptid ());
928 gdb_byte raw
[AMDGCN_MAX_REGISTER_SIZE
];
930 amd_dbgapi_status_t status
= amd_dbgapi_read_register (
931 process_id
, wave_id
, tdep
->register_ids
[regno
], 0,
932 TYPE_LENGTH (register_type (gdbarch
, regno
)), raw
);
934 if (status
== AMD_DBGAPI_STATUS_SUCCESS
)
936 regcache
->raw_supply (regno
, raw
);
938 else if (status
!= AMD_DBGAPI_STATUS_ERROR_INVALID_REGISTER_ID
)
940 warning (_ ("Couldn't read register %s (#%d)."),
941 gdbarch_register_name (gdbarch
, regno
), regno
);
946 rocm_target_ops::store_registers (struct regcache
*regcache
, int regno
)
948 struct gdbarch
*gdbarch
= regcache
->arch ();
949 struct gdbarch_tdep
*tdep
= gdbarch_tdep (gdbarch
);
950 gdb_byte raw
[AMDGCN_MAX_REGISTER_SIZE
];
952 if (!rocm_is_amdgcn_gdbarch (gdbarch
))
954 beneath ()->store_registers (regcache
, regno
);
958 inferior
*inf
= find_inferior_ptid (regcache
->ptid ());
959 amd_dbgapi_process_id_t process_id
= get_amd_dbgapi_process_id (inf
);
960 amd_dbgapi_wave_id_t wave_id
= get_amd_dbgapi_wave_id (regcache
->ptid ());
962 regcache
->raw_collect (regno
, &raw
);
964 amd_dbgapi_status_t status
= amd_dbgapi_write_register (
965 process_id
, wave_id
, tdep
->register_ids
[regno
], 0,
966 TYPE_LENGTH (register_type (gdbarch
, regno
)), raw
);
968 if (status
!= AMD_DBGAPI_STATUS_SUCCESS
)
970 warning (_ ("Couldn't write register %s (#%d)."),
971 gdbarch_register_name (gdbarch
, regno
), regno
);
975 /* Fix breakpoints created with an address location while the
976 architecture was set to the host (could be fixed in core GDB). */
979 rocm_target_breakpoint_fixup (struct breakpoint
*b
)
981 if (b
->location
.get ()
982 && event_location_type (b
->location
.get ()) == ADDRESS_LOCATION
983 && gdbarch_bfd_arch_info (b
->loc
->gdbarch
)->arch
== bfd_arch_amdgcn
984 && gdbarch_bfd_arch_info (b
->gdbarch
)->arch
!= bfd_arch_amdgcn
)
986 b
->gdbarch
= b
->loc
->gdbarch
;
991 rocm_target_ops::thread_architecture (ptid_t ptid
)
993 static std::result_of
<decltype (&ptid_t::tid
) (ptid_t
)>::type last_tid
= 0;
994 static struct gdbarch
*cached_arch
= nullptr;
996 if (!ptid_is_gpu (ptid
))
997 return beneath ()->thread_architecture (ptid
);
999 /* We can cache the gdbarch for a given wave_id (ptid::tid) because
1000 wave IDs are unique, and aren't reused. */
1001 if (ptid
.tid () == last_tid
)
1004 amd_dbgapi_process_id_t process_id
= get_amd_dbgapi_process_id ();
1005 amd_dbgapi_wave_id_t wave_id
= get_amd_dbgapi_wave_id (ptid
);
1006 amd_dbgapi_architecture_id_t architecture_id
;
1008 if (amd_dbgapi_wave_get_info (process_id
, wave_id
,
1009 AMD_DBGAPI_WAVE_INFO_ARCHITECTURE
,
1010 sizeof (architecture_id
), &architecture_id
)
1011 != AMD_DBGAPI_STATUS_SUCCESS
)
1012 error (_ ("Couldn't get architecture for wave_%ld"), ptid
.tid ());
1014 uint32_t elf_amdgpu_machine
;
1015 if (amd_dbgapi_architecture_get_info (
1016 architecture_id
, AMD_DBGAPI_ARCHITECTURE_INFO_ELF_AMDGPU_MACHINE
,
1017 sizeof (elf_amdgpu_machine
), &elf_amdgpu_machine
)
1018 != AMD_DBGAPI_STATUS_SUCCESS
)
1019 error (_ ("Couldn't get elf_amdgpu_machine for architecture_%ld"),
1020 architecture_id
.handle
);
1022 struct gdbarch_info info
;
1023 gdbarch_info_init (&info
);
1025 info
.bfd_arch_info
= bfd_lookup_arch (bfd_arch_amdgcn
, elf_amdgpu_machine
);
1026 info
.byte_order
= BFD_ENDIAN_LITTLE
;
1027 info
.osabi
= GDB_OSABI_AMDGPU_HSA
;
1029 last_tid
= ptid
.tid ();
1030 if (!(cached_arch
= gdbarch_find_by_info (info
)))
1031 error (_ ("Couldn't get elf_amdgpu_machine (%#x)"), elf_amdgpu_machine
);
1037 rocm_target_ops::update_thread_list ()
1039 for (inferior
*inf
: all_inferiors ())
1041 amd_dbgapi_process_id_t process_id
;
1042 amd_dbgapi_wave_id_t
*wave_list
;
1045 process_id
= get_amd_dbgapi_process_id (inf
);
1046 if (process_id
.handle
== AMD_DBGAPI_PROCESS_NONE
.handle
)
1048 /* The inferior may not be attached yet. */
1052 amd_dbgapi_changed_t changed
;
1053 amd_dbgapi_status_t status
;
1055 = amd_dbgapi_wave_list (process_id
, &count
, &wave_list
, &changed
))
1056 != AMD_DBGAPI_STATUS_SUCCESS
)
1057 error (_ ("amd_dbgapi_wave_list failed (rc=%d)"), status
);
1059 if (changed
== AMD_DBGAPI_CHANGED_NO
)
1062 /* Create a set and free the wave list. */
1063 std::set
<std::result_of
<decltype (&ptid_t::tid
) (ptid_t
)>::type
> threads
;
1064 for (size_t i
= 0; i
< count
; ++i
)
1065 threads
.emplace (wave_list
[i
].handle
);
1068 /* Then prune the wave_ids that already have a thread_info. */
1069 for (thread_info
*tp
: inf
->non_exited_threads ())
1070 if (ptid_is_gpu (tp
->ptid
))
1071 threads
.erase (tp
->ptid
.tid ());
1073 /* The wave_ids that are left require a new thread_info. */
1074 for (auto &&tid
: threads
)
1076 ptid_t
wave_ptid (inf
->pid
, 1, tid
);
1077 /* FIXME: is this really needed?
1078 amd_dbgapi_wave_state_t state;
1080 if (amd_dbgapi_wave_get_info (
1081 process_id, get_amd_dbgapi_wave_id (wave_ptid),
1082 AMD_DBGAPI_WAVE_INFO_STATE, sizeof (state), &state)
1083 != AMD_DBGAPI_STATUS_SUCCESS)
1086 add_thread_silent (wave_ptid
);
1087 set_running (wave_ptid
, 1);
1088 set_executing (wave_ptid
, 1);
1092 /* Give the beneath target a chance to do extra processing. */
1093 this->beneath ()->update_thread_list ();
1097 rocm_target_solib_loaded (struct so_list
*solib
)
1099 /* Notify the amd_dbgapi that a shared library has been loaded. */
1100 for (auto &&value
: get_rocm_inferior_info ()->notify_solib_map
)
1101 /* TODO: If we want to support file name wildcards, change this code. */
1102 if (::strstr (solib
->so_original_name
, value
.second
.compare
.c_str ())
1103 && !value
.second
.is_loaded
)
1105 value
.second
.solib
= solib
;
1106 value
.second
.is_loaded
= true;
1108 amd_dbgapi_report_shared_library (
1109 get_amd_dbgapi_process_id (),
1110 amd_dbgapi_shared_library_id_t
{ value
.first
},
1111 AMD_DBGAPI_SHARED_LIBRARY_STATE_LOADED
);
1116 rocm_target_solib_unloaded (struct so_list
*solib
)
1118 /* Notify the amd_dbgapi that a shared library will unload. */
1119 for (auto &&value
: get_rocm_inferior_info ()->notify_solib_map
)
1120 /* TODO: If we want to support file name wildcards, change this code. */
1121 if (::strstr (solib
->so_original_name
, value
.second
.compare
.c_str ())
1122 && value
.second
.is_loaded
)
1124 struct rocm_inferior_info
*info
= get_rocm_inferior_info ();
1126 amd_dbgapi_report_shared_library (
1127 info
->process_id
, amd_dbgapi_shared_library_id_t
{ value
.first
},
1128 AMD_DBGAPI_SHARED_LIBRARY_STATE_UNLOADED
);
1130 /* Delete breakpoints that were left inserted in this shared library.
1132 for (auto it
= info
->breakpoint_map
.begin ();
1133 it
!= info
->breakpoint_map
.end ();)
1134 if (solib_contains_address_p (solib
, it
->second
->loc
->address
))
1136 warning (_ ("breakpoint_%ld is still inserted after "
1137 "shared_library_%ld was unloaded"),
1138 it
->first
, value
.first
);
1139 delete_breakpoint (it
->second
);
1140 it
= info
->breakpoint_map
.erase (it
);
1145 value
.second
.solib
= nullptr;
1146 value
.second
.is_loaded
= false;
1151 rocm_target_inferior_created (struct target_ops
*target
, int from_tty
)
1153 struct inferior
*inf
= current_inferior ();
1154 auto *info
= get_rocm_inferior_info (inf
);
1155 amd_dbgapi_status_t status
;
1157 if (!target_can_async_p ())
1160 _ ("ROCm-GDB requires target-async, GPU debugging is disabled"));
1164 gdb_assert (info
->wave_stop_events
.empty ());
1166 status
= amd_dbgapi_process_attach (inf
, &info
->process_id
);
1168 if (status
== AMD_DBGAPI_STATUS_ERROR_VERSION_MISMATCH
)
1169 warning (_ ("The version of the kernel driver does not match the version "
1170 "required by the ROCm debugger library"));
1172 if (status
!= AMD_DBGAPI_STATUS_SUCCESS
)
1174 warning (_ ("Could not attach to process %d"), inf
->pid
);
1178 if (amd_dbgapi_process_get_info (info
->process_id
,
1179 AMD_DBGAPI_PROCESS_INFO_NOTIFIER
,
1180 sizeof (info
->notifier
), &info
->notifier
)
1181 != AMD_DBGAPI_STATUS_SUCCESS
)
1183 warning (_ ("Could not retrieve process %d's notifier"), inf
->pid
);
1184 amd_dbgapi_process_detach (info
->process_id
);
1188 /* We add a file handler for events returned by the debugger api. We'll use
1189 this handler to signal our async handler that events are available. */
1192 [] (int error
, gdb_client_data client_data
) {
1193 auto info_
= static_cast<struct rocm_inferior_info
*> (client_data
);
1196 /* Drain the notifier pipe. */
1200 ret
= read (info_
->notifier
, &buf
, 1);
1202 while (ret
>= 0 || (ret
== -1 && errno
== EINTR
));
1204 /* Signal our async handler. */
1209 /* Attaching to the inferior may have generated runtime events, process
1211 rocm_process_event_queue ();
1215 rocm_target_inferior_exit (struct inferior
*inf
)
1217 auto *info
= get_rocm_inferior_info (inf
);
1219 amd_dbgapi_deactivated
.notify ();
1221 if (info
->notifier
!= -1)
1222 delete_file_handler (info
->notifier
);
1224 amd_dbgapi_process_detach (info
->process_id
);
1226 /* Delete the breakpoints that are still active. */
1227 for (auto &&value
: info
->breakpoint_map
)
1228 delete_breakpoint (value
.second
);
1230 rocm_inferior_data
.clear (inf
);
1233 static cli_style_option
warning_style ("rocm_warning", ui_file_style::RED
);
1234 static cli_style_option
info_style ("rocm_info", ui_file_style::GREEN
);
1235 static cli_style_option
verbose_style ("rocm_verbose", ui_file_style::BLUE
);
1237 static amd_dbgapi_callbacks_t dbgapi_callbacks
= {
1238 /* allocate_memory. */
1239 .allocate_memory
= malloc
,
1241 /* deallocate_memory. */
1242 .deallocate_memory
= free
,
1245 .get_os_pid
= [] (amd_dbgapi_client_process_id_t client_process_id
,
1246 pid_t
*pid
) -> amd_dbgapi_status_t
{
1247 inferior
*inf
= static_cast<inferior
*> (client_process_id
);
1250 return AMD_DBGAPI_STATUS_SUCCESS
;
1253 /* enable_notify_shared_library callback. */
1254 .enable_notify_shared_library
1255 = [] (amd_dbgapi_client_process_id_t client_process_id
,
1256 const char *library_name
, amd_dbgapi_shared_library_id_t library_id
,
1257 amd_dbgapi_shared_library_state_t
*library_state
)
1258 -> amd_dbgapi_status_t
{
1259 inferior
*inf
= static_cast<inferior
*> (client_process_id
);
1260 struct rocm_inferior_info
*info
= get_rocm_inferior_info (inf
);
1262 if (!library_name
|| !library_state
)
1263 return AMD_DBGAPI_STATUS_ERROR_INVALID_ARGUMENT
;
1265 if (info
->notify_solib_map
.find (library_id
.handle
)
1266 != info
->notify_solib_map
.end ())
1268 /* This library id is already registered. */
1269 return AMD_DBGAPI_STATUS_ERROR
;
1272 /* Check whether the library is already loaded. */
1273 bool is_loaded
= false;
1274 struct so_list
*solib
;
1275 for (solib
= inf
->pspace
->so_list
; solib
; solib
= solib
->next
)
1276 if (::strstr (solib
->so_original_name
, library_name
))
1282 /* Check that the library_name is valid. If must not be empty, and
1283 should not have wildcard characters. */
1284 if (*library_name
== '\0'
1285 || std::string (library_name
).find_first_of ("*?[]")
1286 != std::string::npos
)
1287 return AMD_DBGAPI_STATUS_ERROR_INVALID_ARGUMENT
;
1289 /* Add a new entry in the notify_solib_map. */
1290 if (!info
->notify_solib_map
1291 .emplace (std::piecewise_construct
,
1292 std::forward_as_tuple (library_id
.handle
),
1293 std::forward_as_tuple (rocm_notify_shared_library_info
{
1294 library_name
, solib
, is_loaded
}))
1296 return AMD_DBGAPI_STATUS_ERROR
;
1298 *library_state
= is_loaded
? AMD_DBGAPI_SHARED_LIBRARY_STATE_LOADED
1299 : AMD_DBGAPI_SHARED_LIBRARY_STATE_UNLOADED
;
1301 return AMD_DBGAPI_STATUS_SUCCESS
;
1304 /* disable_notify_shared_library callback. */
1305 .disable_notify_shared_library
1306 = [] (amd_dbgapi_client_process_id_t client_process_id
,
1307 amd_dbgapi_shared_library_id_t library_id
) -> amd_dbgapi_status_t
{
1308 inferior
*inf
= static_cast<inferior
*> (client_process_id
);
1309 struct rocm_inferior_info
*info
= get_rocm_inferior_info (inf
);
1311 auto it
= info
->notify_solib_map
.find (library_id
.handle
);
1312 if (it
== info
->notify_solib_map
.end ())
1313 return AMD_DBGAPI_STATUS_ERROR_INVALID_SHARED_LIBRARY_ID
;
1315 info
->notify_solib_map
.erase (it
);
1316 return AMD_DBGAPI_STATUS_SUCCESS
;
1319 /* get_symbol_address callback. */
1320 .get_symbol_address
=
1321 [] (amd_dbgapi_client_process_id_t client_process_id
,
1322 amd_dbgapi_shared_library_id_t library_id
, const char *symbol_name
,
1323 amd_dbgapi_global_address_t
*address
) {
1324 inferior
*inf
= static_cast<inferior
*> (client_process_id
);
1325 struct rocm_inferior_info
*info
= get_rocm_inferior_info (inf
);
1327 auto it
= info
->notify_solib_map
.find (library_id
.handle
);
1328 if (it
== info
->notify_solib_map
.end ())
1329 return AMD_DBGAPI_STATUS_ERROR_INVALID_SHARED_LIBRARY_ID
;
1331 struct so_list
*solib
= it
->second
.solib
;
1333 return AMD_DBGAPI_STATUS_ERROR_LIBRARY_NOT_LOADED
;
1335 solib_read_symbols (solib
, 0);
1336 gdb_assert (solib
->objfile
);
1338 struct bound_minimal_symbol msymbol
1339 = lookup_minimal_symbol (symbol_name
, NULL
, solib
->objfile
);
1341 if (!msymbol
.minsym
|| BMSYMBOL_VALUE_ADDRESS (msymbol
) == 0)
1342 return AMD_DBGAPI_STATUS_ERROR_SYMBOL_NOT_FOUND
;
1344 *address
= BMSYMBOL_VALUE_ADDRESS (msymbol
);
1345 return AMD_DBGAPI_STATUS_SUCCESS
;
1348 /* set_breakpoint callback. */
1350 [] (amd_dbgapi_client_process_id_t client_process_id
,
1351 amd_dbgapi_shared_library_id_t shared_library_id
,
1352 amd_dbgapi_global_address_t address
,
1353 amd_dbgapi_breakpoint_id_t breakpoint_id
) {
1354 inferior
*inf
= static_cast<inferior
*> (client_process_id
);
1355 struct rocm_inferior_info
*info
= get_rocm_inferior_info (inf
);
1357 /* Initialize the breakpoint ops lazily since we depend on
1358 bkpt_breakpoint_ops and we can't control the order in which
1359 initializers are called. */
1360 if (rocm_breakpoint_ops
.check_status
== NULL
)
1362 rocm_breakpoint_ops
= bkpt_breakpoint_ops
;
1363 rocm_breakpoint_ops
.check_status
= rocm_breakpoint_check_status
;
1364 rocm_breakpoint_ops
.re_set
= rocm_breakpoint_re_set
;
1367 auto it
= info
->breakpoint_map
.find (breakpoint_id
.handle
);
1368 if (it
!= info
->breakpoint_map
.end ())
1369 return AMD_DBGAPI_STATUS_ERROR_INVALID_BREAKPOINT_ID
;
1371 /* Create a new breakpoint. */
1372 struct obj_section
*section
= find_pc_section (address
);
1373 if (!section
|| !section
->objfile
)
1374 return AMD_DBGAPI_STATUS_ERROR
;
1376 event_location_up location
1377 = new_address_location (address
, nullptr, 0);
1378 if (!create_breakpoint (
1379 get_objfile_arch (section
->objfile
), location
.get (),
1380 /*cond_string*/ NULL
, /*thread*/ -1, /*extra_sring*/ NULL
,
1381 /*parse_extra*/ 0, /*tempflag*/ 0, /*bptype*/ bp_breakpoint
,
1382 /*ignore_count*/ 0, /*pending_break*/ AUTO_BOOLEAN_FALSE
,
1383 /*ops*/ &rocm_breakpoint_ops
, /*from_tty*/ 0,
1384 /*enabled*/ 1, /*internal*/ 1, /*flags*/ 0))
1385 return AMD_DBGAPI_STATUS_ERROR
;
1387 /* Find our breakpoint in the breakpoint list. */
1388 auto bp_loc
= std::make_pair (inf
->aspace
, address
);
1389 auto bp
= breakpoint_find_if (
1390 [] (struct breakpoint
*b
, void *data
) {
1391 auto *arg
= static_cast<decltype (&bp_loc
)> (data
);
1392 if (b
->ops
== &rocm_breakpoint_ops
&& b
->loc
1393 && b
->loc
->pspace
->aspace
== arg
->first
1394 && b
->loc
->address
== arg
->second
)
1398 reinterpret_cast<void *> (&bp_loc
));
1401 error (_ ("Could not find breakpoint"));
1403 info
->breakpoint_map
.emplace (breakpoint_id
.handle
, bp
);
1404 return AMD_DBGAPI_STATUS_SUCCESS
;
1407 /* remove_breakpoint callback. */
1408 .remove_breakpoint
=
1409 [] (amd_dbgapi_client_process_id_t client_process_id
,
1410 amd_dbgapi_breakpoint_id_t breakpoint_id
) {
1411 inferior
*inf
= static_cast<inferior
*> (client_process_id
);
1412 struct rocm_inferior_info
*info
= get_rocm_inferior_info (inf
);
1414 auto it
= info
->breakpoint_map
.find (breakpoint_id
.handle
);
1415 if (it
== info
->breakpoint_map
.end ())
1416 return AMD_DBGAPI_STATUS_ERROR_INVALID_BREAKPOINT_ID
;
1418 delete_breakpoint (it
->second
);
1419 info
->breakpoint_map
.erase (it
);
1421 return AMD_DBGAPI_STATUS_SUCCESS
;
1424 /* set_breakpoint_state callback. */
1425 .set_breakpoint_state
=
1426 [] (amd_dbgapi_client_process_id_t client_process_id
,
1427 amd_dbgapi_breakpoint_id_t breakpoint_id
,
1428 amd_dbgapi_breakpoint_state_t breakpoint_state
) {
1429 inferior
*inf
= static_cast<inferior
*> (client_process_id
);
1430 struct rocm_inferior_info
*info
= get_rocm_inferior_info (inf
);
1432 auto it
= info
->breakpoint_map
.find (breakpoint_id
.handle
);
1433 if (it
== info
->breakpoint_map
.end ())
1434 return AMD_DBGAPI_STATUS_ERROR_INVALID_BREAKPOINT_ID
;
1436 if (breakpoint_state
== AMD_DBGAPI_BREAKPOINT_STATE_ENABLE
)
1437 it
->second
->enable_state
= bp_enabled
;
1438 else if (breakpoint_state
== AMD_DBGAPI_BREAKPOINT_STATE_DISABLE
)
1439 it
->second
->enable_state
= bp_disabled
;
1441 return AMD_DBGAPI_STATUS_ERROR_INVALID_ARGUMENT
;
1443 return AMD_DBGAPI_STATUS_SUCCESS
;
1447 = [] (amd_dbgapi_log_level_t level
, const char *message
) -> void {
1448 gdb::optional
<target_terminal::scoped_restore_terminal_state
> tstate
;
1450 if (level
> get_debug_amd_dbgapi_log_level ())
1453 if (target_supports_terminal_ours ())
1456 target_terminal::ours_for_output ();
1459 if (filtered_printing_initialized ())
1462 struct ui_file
*out_file
1463 = (level
>= AMD_DBGAPI_LOG_LEVEL_INFO
) ? gdb_stdlog
: gdb_stderr
;
1467 case AMD_DBGAPI_LOG_LEVEL_FATAL_ERROR
:
1468 fputs_unfiltered ("[amd-dbgapi]: ", out_file
);
1470 case AMD_DBGAPI_LOG_LEVEL_WARNING
:
1471 fputs_styled ("[amd-dbgapi]: ", warning_style
.style (), out_file
);
1473 case AMD_DBGAPI_LOG_LEVEL_INFO
:
1474 fputs_styled ("[amd-dbgapi]: ", info_style
.style (), out_file
);
1476 case AMD_DBGAPI_LOG_LEVEL_VERBOSE
:
1477 fputs_styled ("[amd-dbgapi]: ", verbose_style
.style (), out_file
);
1481 fputs_unfiltered (message
, out_file
);
1482 fputs_unfiltered ("\n", out_file
);
1486 /* Implementation of `_wave_id' variable. */
1488 static struct value
*
1489 rocm_wave_id_make_value (struct gdbarch
*gdbarch
, struct internalvar
*var
,
1492 if (ptid_is_gpu (inferior_ptid
))
1494 amd_dbgapi_process_id_t process_id
= get_amd_dbgapi_process_id ();
1495 amd_dbgapi_wave_id_t wave_id
= get_amd_dbgapi_wave_id (inferior_ptid
);
1496 uint32_t group_ids
[3], wave_in_group
;
1498 if (amd_dbgapi_wave_get_info (process_id
, wave_id
,
1499 AMD_DBGAPI_WAVE_INFO_WORK_GROUP_COORD
,
1500 sizeof (group_ids
), &group_ids
)
1501 == AMD_DBGAPI_STATUS_SUCCESS
1502 && amd_dbgapi_wave_get_info (
1503 process_id
, wave_id
,
1504 AMD_DBGAPI_WAVE_INFO_WAVE_NUMBER_IN_WORK_GROUP
,
1505 sizeof (wave_in_group
), &wave_in_group
)
1506 == AMD_DBGAPI_STATUS_SUCCESS
)
1508 std::string wave_id_str
1509 = string_printf ("(%d,%d,%d)/%d", group_ids
[2], group_ids
[1],
1510 group_ids
[0], wave_in_group
);
1512 return value_cstring (wave_id_str
.data (), wave_id_str
.length () + 1,
1513 builtin_type (gdbarch
)->builtin_char
);
1517 return allocate_value (builtin_type (gdbarch
)->builtin_void
);
1520 static const struct internalvar_funcs rocm_wave_id_funcs
1521 = { rocm_wave_id_make_value
, NULL
, NULL
};
1523 /* List of set/show debug amd_dbgapi commands. */
1524 struct cmd_list_element
*set_debug_amd_dbgapi_list
;
1525 struct cmd_list_element
*show_debug_amd_dbgapi_list
;
1528 set_debug_amd_dbgapi (const char *arg
, int from_tty
)
1530 help_list (set_debug_amd_dbgapi_list
, "set debug amd-dbgapi ",
1531 (enum command_class
) - 1, gdb_stdout
);
1535 show_debug_amd_dbgapi (const char *args
, int from_tty
)
1537 cmd_show_list (show_debug_amd_dbgapi_list
, from_tty
, "");
1540 constexpr char amd_dbgapi_log_level_off
[] = "off";
1541 constexpr char amd_dbgapi_log_level_error
[] = "error";
1542 constexpr char amd_dbgapi_log_level_warning
[] = "warning";
1543 constexpr char amd_dbgapi_log_level_info
[] = "info";
1544 constexpr char amd_dbgapi_log_level_verbose
[] = "verbose";
1546 constexpr const char *debug_amd_dbgapi_log_level_enums
[]
1547 = { [AMD_DBGAPI_LOG_LEVEL_NONE
] = amd_dbgapi_log_level_off
,
1548 [AMD_DBGAPI_LOG_LEVEL_FATAL_ERROR
] = amd_dbgapi_log_level_error
,
1549 [AMD_DBGAPI_LOG_LEVEL_WARNING
] = amd_dbgapi_log_level_warning
,
1550 [AMD_DBGAPI_LOG_LEVEL_INFO
] = amd_dbgapi_log_level_info
,
1551 [AMD_DBGAPI_LOG_LEVEL_VERBOSE
] = amd_dbgapi_log_level_verbose
,
1554 static const char *debug_amd_dbgapi_log_level
= amd_dbgapi_log_level_error
;
1556 static amd_dbgapi_log_level_t
1557 get_debug_amd_dbgapi_log_level ()
1560 for (pos
= 0; debug_amd_dbgapi_log_level_enums
[pos
]; ++pos
)
1561 if (debug_amd_dbgapi_log_level
== debug_amd_dbgapi_log_level_enums
[pos
])
1564 gdb_assert (debug_amd_dbgapi_log_level_enums
[pos
]);
1565 return static_cast<amd_dbgapi_log_level_t
> (pos
);
1569 set_debug_amd_dbgapi_log_level (const char *args
, int from_tty
,
1570 struct cmd_list_element
*c
)
1572 amd_dbgapi_set_log_level (get_debug_amd_dbgapi_log_level ());
1576 show_debug_amd_dbgapi_log_level (struct ui_file
*file
, int from_tty
,
1577 struct cmd_list_element
*c
,
1580 fprintf_filtered (file
, _ ("The amd-dbgapi log level is %s.\n"), value
);
1584 info_agents_command (const char *args
, int from_tty
)
1586 amd_dbgapi_process_id_t process_id
= get_amd_dbgapi_process_id ();
1587 struct ui_out
*uiout
= current_uiout
;
1588 amd_dbgapi_status_t status
;
1590 amd_dbgapi_agent_id_t
*agent_list
;
1593 if (process_id
.handle
!= AMD_DBGAPI_PROCESS_NONE
.handle
1595 = amd_dbgapi_agent_list (process_id
, &count
, &agent_list
, nullptr))
1596 != AMD_DBGAPI_STATUS_SUCCESS
)
1597 error (_ ("amd_dbgapi_agent_list failed (rc=%d)"), status
);
1599 if (!count
&& !uiout
->is_mi_like_p ())
1601 uiout
->field_string (NULL
,
1602 _ ("No agents are currently active.\n"));
1606 /* Calculate the maximum size needed to print the agents names. */
1607 std::vector
<std::string
> agent_names (count
);
1609 size_t max_name_len
= 0;
1610 for (size_t i
= 0; i
< count
; ++i
)
1614 if ((status
= amd_dbgapi_agent_get_info (
1615 process_id
, agent_list
[i
], AMD_DBGAPI_AGENT_INFO_NAME
,
1616 sizeof (agent_name
), &agent_name
))
1617 != AMD_DBGAPI_STATUS_SUCCESS
)
1619 if (status
== AMD_DBGAPI_STATUS_ERROR_INVALID_AGENT_ID
)
1620 agent_names
[i
] = "N/A";
1622 error (_ ("amd_dbgapi_agent_get_info failed (rc=%d"), status
);
1626 agent_names
[i
] = agent_name
;
1630 max_name_len
= std::max (max_name_len
, agent_names
[i
].size ());
1634 ui_out_emit_table
table_emmitter (uiout
, 7, count
, "InfoRocmDevicesTable");
1636 uiout
->table_header (2, ui_left
, "agent_id", "Id");
1637 uiout
->table_header (8, ui_left
, "location_id", "PCI Slot");
1638 uiout
->table_header (std::max (11ul, max_name_len
), ui_left
, "name",
1640 uiout
->table_header (14, ui_left
, "num_se", "Shader Engines");
1641 uiout
->table_header (13, ui_left
, "num_cu", "Compute Units");
1642 uiout
->table_header (7, ui_left
, "simd", "SIMD/CU");
1643 uiout
->table_header (15, ui_left
, "waves", "Wavefronts/SIMD");
1644 uiout
->table_body ();
1647 for (size_t i
= 0; i
< count
; ++i
)
1649 ui_out_emit_tuple
tuple_emitter (uiout
, "InfoRocmDevicesRow");
1652 uiout
->field_signed ("agent_id", agent_list
[i
].handle
);
1655 uint32_t location_id
;
1656 if ((status
= amd_dbgapi_agent_get_info (
1657 process_id
, agent_list
[i
], AMD_DBGAPI_AGENT_INFO_PCIE_SLOT
,
1658 sizeof (location_id
), &location_id
))
1659 != AMD_DBGAPI_STATUS_SUCCESS
)
1661 if (status
== AMD_DBGAPI_STATUS_ERROR_INVALID_AGENT_ID
)
1662 uiout
->field_string ("location_id", "N/A");
1664 error (_ ("amd_dbgapi_agent_get_info failed (rc=%d"), status
);
1667 uiout
->field_string (
1669 string_printf ("%02x:%02x.%d", (location_id
>> 8) & 0xFF,
1670 (location_id
>> 3) & 0x1F, location_id
& 0x7));
1673 uiout
->field_string ("name", agent_names
[i
]);
1675 /* num_se, num_cu, simd, waves */
1677 #define UIOUT_FIELD_INT(name, query) \
1679 if ((status = amd_dbgapi_agent_get_info (process_id, agent_list[i], query, \
1680 sizeof (name), &name)) \
1681 != AMD_DBGAPI_STATUS_SUCCESS) \
1683 if (status == AMD_DBGAPI_STATUS_ERROR_INVALID_AGENT_ID) \
1684 uiout->field_string (#name, "N/A"); \
1686 error (_ ("amd_dbgapi_agent_get_info failed (rc=%d"), status); \
1689 uiout->field_signed (#name, name);
1691 UIOUT_FIELD_INT (num_se
, AMD_DBGAPI_AGENT_INFO_SHADER_ENGINE_COUNT
);
1692 UIOUT_FIELD_INT (num_cu
, AMD_DBGAPI_AGENT_INFO_COMPUTE_UNIT_COUNT
);
1693 UIOUT_FIELD_INT (simd
, AMD_DBGAPI_AGENT_INFO_NUM_SIMD_PER_COMPUTE_UNIT
);
1694 UIOUT_FIELD_INT (waves
, AMD_DBGAPI_AGENT_INFO_MAX_WAVES_PER_SIMD
);
1696 #undef UIOUT_FIELD_INT
1702 gdb_flush (gdb_stdout
);
1705 /* -Wmissing-prototypes */
1706 extern initialize_file_ftype _initialize_rocm_tdep
;
1709 _initialize_rocm_tdep (void)
1711 /* Initialize the ROCm Debug API. */
1712 if (amd_dbgapi_initialize (&dbgapi_callbacks
) != AMD_DBGAPI_STATUS_SUCCESS
)
1715 /* Set the initial log level. */
1716 amd_dbgapi_set_log_level (get_debug_amd_dbgapi_log_level ());
1718 /* Install observers. */
1719 gdb::observers::breakpoint_created
.attach (rocm_target_breakpoint_fixup
);
1720 gdb::observers::solib_loaded
.attach (rocm_target_solib_loaded
);
1721 gdb::observers::solib_unloaded
.attach (rocm_target_solib_unloaded
);
1722 gdb::observers::inferior_created
.attach (rocm_target_inferior_created
);
1723 gdb::observers::inferior_exit
.attach (rocm_target_inferior_exit
);
1725 amd_dbgapi_activated
.attach (rocm_target_dbgapi_activated
);
1726 amd_dbgapi_deactivated
.attach (rocm_target_dbgapi_deactivated
);
1728 create_internalvar_type_lazy ("_wave_id", &rocm_wave_id_funcs
, NULL
);
1731 "amd-dbgapi", no_class
, set_debug_amd_dbgapi
,
1732 _ ("Generic command for setting amd-dbgapi debugging flags"),
1733 &set_debug_amd_dbgapi_list
, "set debug amd-dbgapi ", 0, &setdebuglist
);
1736 "amd-dbgapi", no_class
, show_debug_amd_dbgapi
,
1737 _ ("Generic command for showing amd-dbgapi debugging flags"),
1738 &show_debug_amd_dbgapi_list
, "show debug amd-dbgapi ", 0,
1741 add_setshow_enum_cmd (
1742 "log-level", class_maintenance
, debug_amd_dbgapi_log_level_enums
,
1743 &debug_amd_dbgapi_log_level
, _ ("Set the amd-dbgapi log level."),
1744 _ ("Show the amd-dbgapi log level."),
1745 _ ("off == no logging is enabled\n"
1746 "error == fatal errors are reported\n"
1747 "warning == fatal errors and warnings are reported\n"
1748 "info == fatal errors, warnings, and info messages are reported\n"
1749 "verbose == all messages are reported"),
1750 set_debug_amd_dbgapi_log_level
, show_debug_amd_dbgapi_log_level
,
1751 &set_debug_amd_dbgapi_list
, &show_debug_amd_dbgapi_list
);
1753 add_cmd ("agents", class_info
, info_agents_command
,
1754 _ ("Info about currently active agents."), &infolist
);