1 /***************************************************************************
2 * Copyright (C) 2005 by Dominic Rath *
3 * Dominic.Rath@gmx.de *
5 * This program is free software; you can redistribute it and/or modify *
6 * it under the terms of the GNU General Public License as published by *
7 * the Free Software Foundation; either version 2 of the License, or *
8 * (at your option) any later version. *
10 * This program is distributed in the hope that it will be useful, *
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of *
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
13 * GNU General Public License for more details. *
15 * You should have received a copy of the GNU General Public License *
16 * along with this program; if not, write to the *
17 * Free Software Foundation, Inc., *
18 * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
19 ***************************************************************************/
24 #include "replacements.h"
26 #include "gdb_server.h"
30 #include "binarybuffer.h"
32 #include "breakpoints.h"
34 #include "target_request.h"
35 #include "configuration.h"
43 #define _DEBUG_GDB_IO_
46 extern int gdb_error(connection_t
*connection
, int retval
);
47 static unsigned short gdb_port
;
48 static const char *DIGITS
= "0123456789abcdef";
50 static void gdb_log_callback(void *priv
, const char *file
, int line
,
51 const char *function
, const char *string
);
61 /* target behaviour on gdb detach */
62 enum gdb_detach_mode detach_mode
= GDB_DETACH_RESUME
;
64 /* set if we are sending a memory map to gdb
65 * via qXfer:memory-map:read packet */
66 int gdb_use_memory_map
= 0;
67 int gdb_flash_program
= 0;
69 /* if set, data aborts cause an error to be reported in memory read packets
70 * see the code in gdb_read_memory_packet() for further explanations */
71 int gdb_report_data_abort
= 0;
73 int gdb_last_signal(target_t
*target
)
75 switch (target
->debug_reason
)
77 case DBG_REASON_DBGRQ
:
78 return 0x2; /* SIGINT */
79 case DBG_REASON_BREAKPOINT
:
80 case DBG_REASON_WATCHPOINT
:
81 case DBG_REASON_WPTANDBKPT
:
82 return 0x05; /* SIGTRAP */
83 case DBG_REASON_SINGLESTEP
:
84 return 0x05; /* SIGTRAP */
85 case DBG_REASON_NOTHALTED
:
86 return 0x0; /* no signal... shouldn't happen */
88 USER("undefined debug reason %d - target needs reset", target
->debug_reason
);
94 int check_pending(connection_t
*connection
, int timeout_s
, int *got_data
)
96 /* a non-blocking socket will block if there is 0 bytes available on the socket,
97 * but return with as many bytes as are available immediately
101 gdb_connection_t
*gdb_con
= connection
->priv
;
107 if (gdb_con
->buf_cnt
>0)
114 FD_SET(connection
->fd
, &read_fds
);
116 tv
.tv_sec
= timeout_s
;
118 if (select(connection
->fd
+ 1, &read_fds
, NULL
, NULL
, &tv
) == 0)
120 /* This can typically be because a "monitor" command took too long
121 * before printing any progress messages
125 return ERROR_GDB_TIMEOUT
;
131 *got_data
=FD_ISSET(connection
->fd
, &read_fds
)!=0;
136 int gdb_get_char(connection_t
*connection
, int* next_char
)
138 gdb_connection_t
*gdb_con
= connection
->priv
;
141 #ifdef _DEBUG_GDB_IO_
145 if (gdb_con
->buf_cnt
-- > 0)
147 *next_char
= *(gdb_con
->buf_p
++);
148 if (gdb_con
->buf_cnt
> 0)
149 connection
->input_pending
= 1;
151 connection
->input_pending
= 0;
153 #ifdef _DEBUG_GDB_IO_
154 DEBUG("returned char '%c' (0x%2.2x)", *next_char
, *next_char
);
163 retval
=check_pending(connection
, 1, NULL
);
164 if (retval
!=ERROR_OK
)
167 gdb_con
->buf_cnt
= read_socket(connection
->fd
, gdb_con
->buffer
, GDB_BUFFER_SIZE
);
168 if (gdb_con
->buf_cnt
> 0)
172 if (gdb_con
->buf_cnt
== 0)
175 return ERROR_SERVER_REMOTE_CLOSED
;
179 errno
= WSAGetLastError();
186 case WSAECONNABORTED
:
188 return ERROR_SERVER_REMOTE_CLOSED
;
191 return ERROR_SERVER_REMOTE_CLOSED
;
193 ERROR("read: %d", errno
);
204 return ERROR_SERVER_REMOTE_CLOSED
;
207 return ERROR_SERVER_REMOTE_CLOSED
;
209 ERROR("read: %s", strerror(errno
));
211 return ERROR_SERVER_REMOTE_CLOSED
;
216 #ifdef _DEBUG_GDB_IO_
217 debug_buffer
= malloc(gdb_con
->buf_cnt
+ 1);
218 memcpy(debug_buffer
, gdb_con
->buffer
, gdb_con
->buf_cnt
);
219 debug_buffer
[gdb_con
->buf_cnt
] = 0;
220 DEBUG("received '%s'", debug_buffer
);
224 gdb_con
->buf_p
= gdb_con
->buffer
;
226 *next_char
= *(gdb_con
->buf_p
++);
227 if (gdb_con
->buf_cnt
> 0)
228 connection
->input_pending
= 1;
230 connection
->input_pending
= 0;
231 #ifdef _DEBUG_GDB_IO_
232 DEBUG("returned char '%c' (0x%2.2x)", *next_char
, *next_char
);
238 int gdb_putback_char(connection_t
*connection
, int last_char
)
240 gdb_connection_t
*gdb_con
= connection
->priv
;
242 if (gdb_con
->buf_p
> gdb_con
->buffer
)
244 *(--gdb_con
->buf_p
) = last_char
;
249 ERROR("BUG: couldn't put character back");
255 /* The only way we can detect that the socket is closed is the first time
256 * we write to it, we will fail. Subsequent write operations will
257 * succeed. Shudder! */
258 int gdb_write(connection_t
*connection
, void *data
, int len
)
260 gdb_connection_t
*gdb_con
= connection
->priv
;
262 return ERROR_SERVER_REMOTE_CLOSED
;
264 if (write_socket(connection
->fd
, data
, len
) == len
)
269 return ERROR_SERVER_REMOTE_CLOSED
;
272 int gdb_put_packet_inner(connection_t
*connection
, char *buffer
, int len
)
275 unsigned char my_checksum
= 0;
276 #ifdef _DEBUG_GDB_IO_
281 gdb_connection_t
*gdb_con
= connection
->priv
;
283 for (i
= 0; i
< len
; i
++)
284 my_checksum
+= buffer
[i
];
286 #ifdef _DEBUG_GDB_IO_
288 * At this point we should have nothing in the input queue from GDB,
289 * however sometimes '-' is sent even though we've already received
290 * an ACK (+) for everything we've sent off.
296 if ((retval
=check_pending(connection
, 0, &gotdata
))!=ERROR_OK
)
300 if ((retval
= gdb_get_char(connection
, &reply
)) != ERROR_OK
)
302 WARNING("Discard unexpected char %c", reply
);
309 #ifdef _DEBUG_GDB_IO_
310 debug_buffer
= malloc(len
+ 1);
311 memcpy(debug_buffer
, buffer
, len
);
312 debug_buffer
[len
] = 0;
313 DEBUG("sending packet '$%s#%2.2x'", debug_buffer
, my_checksum
);
317 char local_buffer
[1024];
318 local_buffer
[0] = '$';
319 if (len
+4 <= sizeof(local_buffer
))
321 /* performance gain on smaller packets by only a single call to gdb_write() */
322 memcpy(local_buffer
+1, buffer
, len
++);
323 local_buffer
[len
++] = '#';
324 local_buffer
[len
++] = DIGITS
[(my_checksum
>> 4) & 0xf];
325 local_buffer
[len
++] = DIGITS
[my_checksum
& 0xf];
326 gdb_write(connection
, local_buffer
, len
);
330 /* larger packets are transmitted directly from caller supplied buffer
331 by several calls to gdb_write() to avoid dynamic allocation */
332 local_buffer
[1] = '#';
333 local_buffer
[2] = DIGITS
[(my_checksum
>> 4) & 0xf];
334 local_buffer
[3] = DIGITS
[my_checksum
& 0xf];
335 gdb_write(connection
, local_buffer
, 1);
336 gdb_write(connection
, buffer
, len
);
337 gdb_write(connection
, local_buffer
+1, 3);
340 if ((retval
= gdb_get_char(connection
, &reply
)) != ERROR_OK
)
345 else if (reply
== '-')
347 /* Stop sending output packets for now */
348 log_remove_callback(gdb_log_callback
, connection
);
349 WARNING("negative reply, retrying");
351 else if (reply
== 0x3)
354 if ((retval
= gdb_get_char(connection
, &reply
)) != ERROR_OK
)
358 else if (reply
== '-')
360 /* Stop sending output packets for now */
361 log_remove_callback(gdb_log_callback
, connection
);
362 WARNING("negative reply, retrying");
366 ERROR("unknown character 0x%2.2x in reply, dropping connection", reply
);
368 return ERROR_SERVER_REMOTE_CLOSED
;
373 ERROR("unknown character 0x%2.2x in reply, dropping connection", reply
);
375 return ERROR_SERVER_REMOTE_CLOSED
;
379 return ERROR_SERVER_REMOTE_CLOSED
;
384 int gdb_put_packet(connection_t
*connection
, char *buffer
, int len
)
386 gdb_connection_t
*gdb_con
= connection
->priv
;
388 int retval
= gdb_put_packet_inner(connection
, buffer
, len
);
393 int gdb_get_packet_inner(connection_t
*connection
, char *buffer
, int *len
)
399 unsigned char my_checksum
= 0;
400 gdb_connection_t
*gdb_con
= connection
->priv
;
406 if ((retval
= gdb_get_char(connection
, &character
)) != ERROR_OK
)
409 #ifdef _DEBUG_GDB_IO_
410 DEBUG("character: '%c'", character
);
418 WARNING("acknowledgment received, but no packet pending");
421 WARNING("negative acknowledgment, but no packet pending");
428 WARNING("ignoring character 0x%x", character
);
431 } while (character
!= '$');
436 gdb_connection_t
*gdb_con
= connection
->priv
;
439 /* The common case is that we have an entire packet with no escape chars.
440 * We need to leave at least 2 bytes in the buffer to have
441 * gdb_get_char() update various bits and bobs correctly.
443 if ((gdb_con
->buf_cnt
> 2) && ((gdb_con
->buf_cnt
+count
) < *len
))
445 /* The compiler will struggle a bit with constant propagation and
446 * aliasing, so we help it by showing that these values do not
447 * change inside the loop
450 char *buf
= gdb_con
->buf_p
;
451 int run
= gdb_con
->buf_cnt
- 2;
458 if (character
== '#')
460 /* Danger! character can be '#' when esc is
461 * used so we need an explicit boolean for done here.
467 if (character
== '}')
469 /* data transmitted in binary mode (X packet)
470 * uses 0x7d as escape character */
471 my_checksum
+= character
& 0xff;
474 my_checksum
+= character
& 0xff;
475 buffer
[count
++] = (character
^ 0x20) & 0xff;
478 my_checksum
+= character
& 0xff;
479 buffer
[count
++] = character
& 0xff;
483 gdb_con
->buf_cnt
-= i
;
489 ERROR("packet buffer too small");
490 return ERROR_GDB_BUFFER_TOO_SMALL
;
493 if ((retval
= gdb_get_char(connection
, &character
)) != ERROR_OK
)
496 if (character
== '#')
499 if (character
== '}')
501 /* data transmitted in binary mode (X packet)
502 * uses 0x7d as escape character */
503 my_checksum
+= character
& 0xff;
504 if ((retval
= gdb_get_char(connection
, &character
)) != ERROR_OK
)
506 my_checksum
+= character
& 0xff;
507 buffer
[count
++] = (character
^ 0x20) & 0xff;
511 my_checksum
+= character
& 0xff;
512 buffer
[count
++] = character
& 0xff;
519 if ((retval
= gdb_get_char(connection
, &character
)) != ERROR_OK
)
521 checksum
[0] = character
;
522 if ((retval
= gdb_get_char(connection
, &character
)) != ERROR_OK
)
524 checksum
[1] = character
;
527 if (my_checksum
== strtoul(checksum
, NULL
, 16))
529 gdb_write(connection
, "+", 1);
533 WARNING("checksum error, requesting retransmission");
534 gdb_write(connection
, "-", 1);
537 return ERROR_SERVER_REMOTE_CLOSED
;
542 int gdb_get_packet(connection_t
*connection
, char *buffer
, int *len
)
544 gdb_connection_t
*gdb_con
= connection
->priv
;
546 int retval
= gdb_get_packet_inner(connection
, buffer
, len
);
551 int gdb_output_con(connection_t
*connection
, const char* line
)
556 bin_size
= strlen(line
);
558 hex_buffer
= malloc(bin_size
*2 + 2);
559 if (hex_buffer
== NULL
)
560 return ERROR_GDB_BUFFER_TOO_SMALL
;
563 for (i
=0; i
<bin_size
; i
++)
564 snprintf(hex_buffer
+ 1 + i
*2, 3, "%2.2x", line
[i
]);
565 hex_buffer
[bin_size
*2+1] = 0;
567 gdb_put_packet(connection
, hex_buffer
, bin_size
*2 + 1);
573 int gdb_output(struct command_context_s
*context
, char* line
)
575 /* this will be dumped to the log and also sent as an O packet if possible */
580 int gdb_program_handler(struct target_s
*target
, enum target_event event
, void *priv
)
583 struct command_context_s
*cmd_ctx
= priv
;
585 if (target
->gdb_program_script
)
587 script
= open_file_from_path(target
->gdb_program_script
, "r");
590 ERROR("couldn't open script file %s", target
->gdb_program_script
);
594 INFO("executing gdb_program script '%s'", target
->gdb_program_script
);
595 command_run_file(cmd_ctx
, script
, COMMAND_EXEC
);
598 jtag_execute_queue();
604 int gdb_target_callback_event_handler(struct target_s
*target
, enum target_event event
, void *priv
)
606 connection_t
*connection
= priv
;
607 gdb_connection_t
*gdb_connection
= connection
->priv
;
613 case TARGET_EVENT_HALTED
:
614 /* In the GDB protocol when we are stepping or coninuing execution,
615 * we have a lingering reply. Upon receiving a halted event
616 * when we have that lingering packet, we reply to the original
617 * step or continue packet.
619 * Executing monitor commands can bring the target in and
620 * out of the running state so we'll see lots of TARGET_EVENT_XXX
621 * that are to be ignored.
623 if (gdb_connection
->frontend_state
== TARGET_RUNNING
)
625 /* stop forwarding log packets! */
626 log_remove_callback(gdb_log_callback
, connection
);
628 if (gdb_connection
->ctrl_c
)
631 gdb_connection
->ctrl_c
= 0;
635 signal
= gdb_last_signal(target
);
638 snprintf(sig_reply
, 4, "T%2.2x", signal
);
639 gdb_put_packet(connection
, sig_reply
, 3);
640 gdb_connection
->frontend_state
= TARGET_HALTED
;
643 case TARGET_EVENT_GDB_PROGRAM
:
644 gdb_program_handler(target
, event
, connection
->cmd_ctx
);
654 int gdb_new_connection(connection_t
*connection
)
656 gdb_connection_t
*gdb_connection
= malloc(sizeof(gdb_connection_t
));
657 gdb_service_t
*gdb_service
= connection
->service
->priv
;
661 connection
->priv
= gdb_connection
;
663 /* initialize gdb connection information */
664 gdb_connection
->buf_p
= gdb_connection
->buffer
;
665 gdb_connection
->buf_cnt
= 0;
666 gdb_connection
->ctrl_c
= 0;
667 gdb_connection
->frontend_state
= TARGET_HALTED
;
668 gdb_connection
->vflash_image
= NULL
;
669 gdb_connection
->closed
= 0;
670 gdb_connection
->busy
= 0;
672 /* send ACK to GDB for debug request */
673 gdb_write(connection
, "+", 1);
675 /* output goes through gdb connection */
676 command_set_output_handler(connection
->cmd_ctx
, gdb_output
, connection
);
678 /* register callback to be informed about target events */
679 target_register_event_callback(gdb_target_callback_event_handler
, connection
);
681 /* a gdb session just attached, try to put the target in halt mode
682 * or alterantively try to issue a reset.
684 * GDB connection will fail if e.g. register read packets fail,
685 * otherwise resetting/halting the target could have been left to GDB init
688 if (((retval
= gdb_service
->target
->type
->halt(gdb_service
->target
)) != ERROR_OK
) &&
689 (retval
!= ERROR_TARGET_ALREADY_HALTED
))
691 ERROR("error(%d) when trying to halt target, falling back to \"reset\"", retval
);
692 command_run_line(connection
->cmd_ctx
, "reset");
695 /* remove the initial ACK from the incoming buffer */
696 if ((retval
= gdb_get_char(connection
, &initial_ack
)) != ERROR_OK
)
699 /* FIX!!!??? would we actually ever receive a + here???
702 if (initial_ack
!= '+')
703 gdb_putback_char(connection
, initial_ack
);
708 int gdb_connection_closed(connection_t
*connection
)
710 gdb_service_t
*gdb_service
= connection
->service
->priv
;
711 gdb_connection_t
*gdb_connection
= connection
->priv
;
713 /* see if an image built with vFlash commands is left */
714 if (gdb_connection
->vflash_image
)
716 image_close(gdb_connection
->vflash_image
);
717 free(gdb_connection
->vflash_image
);
718 gdb_connection
->vflash_image
= NULL
;
721 /* if this connection registered a debug-message receiver delete it */
722 delete_debug_msg_receiver(connection
->cmd_ctx
, gdb_service
->target
);
724 if (connection
->priv
)
726 free(connection
->priv
);
727 connection
->priv
= NULL
;
731 ERROR("BUG: connection->priv == NULL");
734 target_unregister_event_callback(gdb_target_callback_event_handler
, connection
);
735 log_remove_callback(gdb_log_callback
, connection
);
740 void gdb_send_error(connection_t
*connection
, u8 the_error
)
743 snprintf(err
, 4, "E%2.2X", the_error
);
744 gdb_put_packet(connection
, err
, 3);
747 int gdb_last_signal_packet(connection_t
*connection
, target_t
*target
, char* packet
, int packet_size
)
752 signal
= gdb_last_signal(target
);
754 snprintf(sig_reply
, 4, "S%2.2x", signal
);
755 gdb_put_packet(connection
, sig_reply
, 3);
760 /* Convert register to string of bits. NB! The # of bits in the
761 * register might be non-divisible by 8(a byte), in which
762 * case an entire byte is shown. */
763 void gdb_str_to_target(target_t
*target
, char *tstr
, reg_t
*reg
)
770 buf_len
= CEIL(reg
->size
, 8);
772 if (target
->endianness
== TARGET_LITTLE_ENDIAN
)
774 for (i
= 0; i
< buf_len
; i
++)
776 tstr
[i
*2] = DIGITS
[(buf
[i
]>>4) & 0xf];
777 tstr
[i
*2+1] = DIGITS
[buf
[i
]&0xf];
782 for (i
= 0; i
< buf_len
; i
++)
784 tstr
[(buf_len
-1-i
)*2] = DIGITS
[(buf
[i
]>>4)&0xf];
785 tstr
[(buf_len
-1-i
)*2+1] = DIGITS
[buf
[i
]&0xf];
790 void gdb_target_to_str(target_t
*target
, char *tstr
, char *str
)
792 int str_len
= strlen(tstr
);
797 ERROR("BUG: gdb value with uneven number of characters encountered");
801 if (target
->endianness
== TARGET_LITTLE_ENDIAN
)
803 for (i
= 0; i
< str_len
; i
+=2)
805 str
[str_len
- i
- 1] = tstr
[i
+ 1];
806 str
[str_len
- i
- 2] = tstr
[i
];
811 for (i
= 0; i
< str_len
; i
++)
818 int gdb_get_registers_packet(connection_t
*connection
, target_t
*target
, char* packet
, int packet_size
)
823 int reg_packet_size
= 0;
828 #ifdef _DEBUG_GDB_IO_
832 if ((retval
= target
->type
->get_gdb_reg_list(target
, ®_list
, ®_list_size
)) != ERROR_OK
)
834 return gdb_error(connection
, retval
);
837 for (i
= 0; i
< reg_list_size
; i
++)
839 reg_packet_size
+= reg_list
[i
]->size
;
842 reg_packet
= malloc(CEIL(reg_packet_size
, 8) * 2);
843 reg_packet_p
= reg_packet
;
845 for (i
= 0; i
< reg_list_size
; i
++)
847 gdb_str_to_target(target
, reg_packet_p
, reg_list
[i
]);
848 reg_packet_p
+= CEIL(reg_list
[i
]->size
, 8) * 2;
851 #ifdef _DEBUG_GDB_IO_
854 reg_packet_p
= strndup(reg_packet
, CEIL(reg_packet_size
, 8) * 2);
855 DEBUG("reg_packet: %s", reg_packet_p
);
860 gdb_put_packet(connection
, reg_packet
, CEIL(reg_packet_size
, 8) * 2);
868 int gdb_set_registers_packet(connection_t
*connection
, target_t
*target
, char *packet
, int packet_size
)
876 #ifdef _DEBUG_GDB_IO_
880 /* skip command character */
886 WARNING("GDB set_registers packet with uneven characters received, dropping connection");
887 return ERROR_SERVER_REMOTE_CLOSED
;
890 if ((retval
= target
->type
->get_gdb_reg_list(target
, ®_list
, ®_list_size
)) != ERROR_OK
)
892 return gdb_error(connection
, retval
);
896 for (i
= 0; i
< reg_list_size
; i
++)
900 reg_arch_type_t
*arch_type
;
902 /* convert from GDB-string (target-endian) to hex-string (big-endian) */
903 hex_buf
= malloc(CEIL(reg_list
[i
]->size
, 8) * 2);
904 gdb_target_to_str(target
, packet_p
, hex_buf
);
906 /* convert hex-string to binary buffer */
907 bin_buf
= malloc(CEIL(reg_list
[i
]->size
, 8));
908 str_to_buf(hex_buf
, CEIL(reg_list
[i
]->size
, 8) * 2, bin_buf
, reg_list
[i
]->size
, 16);
910 /* get register arch_type, and call set method */
911 arch_type
= register_get_arch_type(reg_list
[i
]->arch_type
);
912 if (arch_type
== NULL
)
914 ERROR("BUG: encountered unregistered arch type");
917 arch_type
->set(reg_list
[i
], bin_buf
);
919 /* advance packet pointer */
920 packet_p
+= (CEIL(reg_list
[i
]->size
, 8) * 2);
926 /* free reg_t *reg_list[] array allocated by get_gdb_reg_list */
929 gdb_put_packet(connection
, "OK", 2);
934 int gdb_get_register_packet(connection_t
*connection
, target_t
*target
, char *packet
, int packet_size
)
937 int reg_num
= strtoul(packet
+ 1, NULL
, 16);
942 #ifdef _DEBUG_GDB_IO_
946 if ((retval
= target
->type
->get_gdb_reg_list(target
, ®_list
, ®_list_size
)) != ERROR_OK
)
948 return gdb_error(connection
, retval
);
951 if (reg_list_size
<= reg_num
)
953 ERROR("gdb requested a non-existing register");
957 reg_packet
= malloc(CEIL(reg_list
[reg_num
]->size
, 8) * 2);
959 gdb_str_to_target(target
, reg_packet
, reg_list
[reg_num
]);
961 gdb_put_packet(connection
, reg_packet
, CEIL(reg_list
[reg_num
]->size
, 8) * 2);
969 int gdb_set_register_packet(connection_t
*connection
, target_t
*target
, char *packet
, int packet_size
)
974 int reg_num
= strtoul(packet
+ 1, &separator
, 16);
978 reg_arch_type_t
*arch_type
;
982 if ((retval
= target
->type
->get_gdb_reg_list(target
, ®_list
, ®_list_size
)) != ERROR_OK
)
984 return gdb_error(connection
, retval
);
987 if (reg_list_size
< reg_num
)
989 ERROR("gdb requested a non-existing register");
990 return ERROR_SERVER_REMOTE_CLOSED
;
993 if (*separator
!= '=')
995 ERROR("GDB 'set register packet', but no '=' following the register number");
996 return ERROR_SERVER_REMOTE_CLOSED
;
999 /* convert from GDB-string (target-endian) to hex-string (big-endian) */
1000 hex_buf
= malloc(CEIL(reg_list
[reg_num
]->size
, 8) * 2);
1001 gdb_target_to_str(target
, separator
+ 1, hex_buf
);
1003 /* convert hex-string to binary buffer */
1004 bin_buf
= malloc(CEIL(reg_list
[reg_num
]->size
, 8));
1005 str_to_buf(hex_buf
, CEIL(reg_list
[reg_num
]->size
, 8) * 2, bin_buf
, reg_list
[reg_num
]->size
, 16);
1007 /* get register arch_type, and call set method */
1008 arch_type
= register_get_arch_type(reg_list
[reg_num
]->arch_type
);
1009 if (arch_type
== NULL
)
1011 ERROR("BUG: encountered unregistered arch type");
1014 arch_type
->set(reg_list
[reg_num
], bin_buf
);
1016 gdb_put_packet(connection
, "OK", 2);
1025 int gdb_error(connection_t
*connection
, int retval
)
1029 case ERROR_TARGET_DATA_ABORT
:
1030 gdb_send_error(connection
, EIO
);
1032 case ERROR_TARGET_TRANSLATION_FAULT
:
1033 gdb_send_error(connection
, EFAULT
);
1035 case ERROR_TARGET_UNALIGNED_ACCESS
:
1036 gdb_send_error(connection
, EFAULT
);
1038 case ERROR_TARGET_NOT_HALTED
:
1039 gdb_send_error(connection
, EFAULT
);
1042 /* This could be that the target reset itself. */
1043 ERROR("unexpected error %i", retval
);
1044 gdb_send_error(connection
, EFAULT
);
1051 /* We don't have to worry about the default 2 second timeout for GDB packets,
1052 * because GDB breaks up large memory reads into smaller reads.
1054 * 8191 bytes by the looks of it. Why 8191 bytes instead of 8192?????
1056 int gdb_read_memory_packet(connection_t
*connection
, target_t
*target
, char *packet
, int packet_size
)
1065 int retval
= ERROR_OK
;
1067 /* skip command character */
1070 addr
= strtoul(packet
, &separator
, 16);
1072 if (*separator
!= ',')
1074 ERROR("incomplete read memory packet received, dropping connection");
1075 return ERROR_SERVER_REMOTE_CLOSED
;
1078 len
= strtoul(separator
+1, NULL
, 16);
1080 buffer
= malloc(len
);
1082 DEBUG("addr: 0x%8.8x, len: 0x%8.8x", addr
, len
);
1084 retval
= target_read_buffer(target
, addr
, len
, buffer
);
1086 if ((retval
== ERROR_TARGET_DATA_ABORT
) && (!gdb_report_data_abort
))
1088 /* TODO : Here we have to lie and send back all zero's lest stack traces won't work.
1089 * At some point this might be fixed in GDB, in which case this code can be removed.
1091 * OpenOCD developers are acutely aware of this problem, but there is nothing
1092 * gained by involving the user in this problem that hopefully will get resolved
1095 * http://sourceware.org/cgi-bin/gnatsweb.pl?cmd=view%20audit-trail&database=gdb&pr=2395
1097 * For now, the default is to fix up things to make current GDB versions work.
1098 * This can be overwritten using the gdb_report_data_abort <'enable'|'disable'> command.
1100 memset(buffer
, 0, len
);
1104 if (retval
== ERROR_OK
)
1106 hex_buffer
= malloc(len
* 2 + 1);
1109 for (i
= 0; i
< len
; i
++)
1112 hex_buffer
[2 * i
] = DIGITS
[(t
>> 4) & 0xf];
1113 hex_buffer
[2 * i
+ 1] = DIGITS
[t
& 0xf];
1116 gdb_put_packet(connection
, hex_buffer
, len
* 2);
1122 retval
= gdb_error(connection
, retval
);
1130 int gdb_write_memory_packet(connection_t
*connection
, target_t
*target
, char *packet
, int packet_size
)
1141 /* skip command character */
1144 addr
= strtoul(packet
, &separator
, 16);
1146 if (*separator
!= ',')
1148 ERROR("incomplete write memory packet received, dropping connection");
1149 return ERROR_SERVER_REMOTE_CLOSED
;
1152 len
= strtoul(separator
+1, &separator
, 16);
1154 if (*(separator
++) != ':')
1156 ERROR("incomplete write memory packet received, dropping connection");
1157 return ERROR_SERVER_REMOTE_CLOSED
;
1160 buffer
= malloc(len
);
1162 DEBUG("addr: 0x%8.8x, len: 0x%8.8x", addr
, len
);
1164 for (i
=0; i
<len
; i
++)
1167 sscanf(separator
+ 2*i
, "%2x", &tmp
);
1171 retval
= target_write_buffer(target
, addr
, len
, buffer
);
1173 if (retval
== ERROR_OK
)
1175 gdb_put_packet(connection
, "OK", 2);
1179 if ((retval
= gdb_error(connection
, retval
)) != ERROR_OK
)
1188 int gdb_write_memory_binary_packet(connection_t
*connection
, target_t
*target
, char *packet
, int packet_size
)
1196 /* skip command character */
1199 addr
= strtoul(packet
, &separator
, 16);
1201 if (*separator
!= ',')
1203 ERROR("incomplete write memory binary packet received, dropping connection");
1204 return ERROR_SERVER_REMOTE_CLOSED
;
1207 len
= strtoul(separator
+1, &separator
, 16);
1209 if (*(separator
++) != ':')
1211 ERROR("incomplete write memory binary packet received, dropping connection");
1212 return ERROR_SERVER_REMOTE_CLOSED
;
1218 DEBUG("addr: 0x%8.8x, len: 0x%8.8x", addr
, len
);
1220 retval
= target_write_buffer(target
, addr
, len
, (u8
*)separator
);
1223 if (retval
== ERROR_OK
)
1225 gdb_put_packet(connection
, "OK", 2);
1229 if ((retval
= gdb_error(connection
, retval
)) != ERROR_OK
)
1236 void gdb_step_continue_packet(connection_t
*connection
, target_t
*target
, char *packet
, int packet_size
)
1243 if (packet_size
> 1)
1245 packet
[packet_size
] = 0;
1246 address
= strtoul(packet
+ 1, NULL
, 16);
1253 if (packet
[0] == 'c')
1256 target
->type
->resume(target
, current
, address
, 0, 0); /* resume at current address, don't handle breakpoints, not debugging */
1258 else if (packet
[0] == 's')
1261 target
->type
->step(target
, current
, address
, 0); /* step at current or address, don't handle breakpoints */
1265 int gdb_breakpoint_watchpoint_packet(connection_t
*connection
, target_t
*target
, char *packet
, int packet_size
)
1268 enum breakpoint_type bp_type
= BKPT_SOFT
/* dummy init to avoid warning */;
1269 enum watchpoint_rw wp_type
;
1277 type
= strtoul(packet
+ 1, &separator
, 16);
1279 if (type
== 0) /* memory breakpoint */
1280 bp_type
= BKPT_SOFT
;
1281 else if (type
== 1) /* hardware breakpoint */
1282 bp_type
= BKPT_HARD
;
1283 else if (type
== 2) /* write watchpoint */
1284 wp_type
= WPT_WRITE
;
1285 else if (type
== 3) /* read watchpoint */
1287 else if (type
== 4) /* access watchpoint */
1288 wp_type
= WPT_ACCESS
;
1290 if (*separator
!= ',')
1292 ERROR("incomplete breakpoint/watchpoint packet received, dropping connection");
1293 return ERROR_SERVER_REMOTE_CLOSED
;
1296 address
= strtoul(separator
+1, &separator
, 16);
1298 if (*separator
!= ',')
1300 ERROR("incomplete breakpoint/watchpoint packet received, dropping connection");
1301 return ERROR_SERVER_REMOTE_CLOSED
;
1304 size
= strtoul(separator
+1, &separator
, 16);
1310 if (packet
[0] == 'Z')
1312 if ((retval
= breakpoint_add(target
, address
, size
, bp_type
)) != ERROR_OK
)
1314 if ((retval
= gdb_error(connection
, retval
)) != ERROR_OK
)
1319 gdb_put_packet(connection
, "OK", 2);
1324 breakpoint_remove(target
, address
);
1325 gdb_put_packet(connection
, "OK", 2);
1332 if (packet
[0] == 'Z')
1334 if ((retval
= watchpoint_add(target
, address
, size
, type
-2, 0, 0xffffffffu
)) != ERROR_OK
)
1336 if ((retval
= gdb_error(connection
, retval
)) != ERROR_OK
)
1341 gdb_put_packet(connection
, "OK", 2);
1346 watchpoint_remove(target
, address
);
1347 gdb_put_packet(connection
, "OK", 2);
1358 /* print out a string and allocate more space as needed, mainly used for XML at this point */
1359 void xml_printf(int *retval
, char **xml
, int *pos
, int *size
, const char *fmt
, ...)
1361 if (*retval
!= ERROR_OK
)
1369 if ((*xml
== NULL
) || (!first
))
1371 /* start by 0 to exercise all the code paths.
1372 * Need minimum 2 bytes to fit 1 char and 0 terminator. */
1374 *size
= *size
* 2 + 2;
1376 *xml
= realloc(*xml
, *size
);
1381 *retval
= ERROR_SERVER_REMOTE_CLOSED
;
1389 ret
= vsnprintf(*xml
+ *pos
, *size
- *pos
, fmt
, ap
);
1391 if ((ret
> 0) && ((ret
+ 1) < *size
- *pos
))
1396 /* there was just enough or not enough space, allocate more. */
1401 static int decode_xfer_read(char *buf
, char **annex
, int *ofs
, unsigned int *len
)
1405 /* Extract and NUL-terminate the annex. */
1407 while (*buf
&& *buf
!= ':')
1413 /* After the read marker and annex, qXfer looks like a
1414 * traditional 'm' packet. */
1416 *ofs
= strtoul(buf
, &separator
, 16);
1418 if (*separator
!= ',')
1421 *len
= strtoul(separator
+1, NULL
, 16);
1426 int gdb_calc_blocksize(flash_bank_t
*bank
)
1429 int block_size
= 0xffffffff;
1431 /* loop through all sectors and return smallest sector size */
1433 for (i
= 0; i
< bank
->num_sectors
; i
++)
1435 if (bank
->sectors
[i
].size
< block_size
)
1436 block_size
= bank
->sectors
[i
].size
;
1442 int gdb_query_packet(connection_t
*connection
, target_t
*target
, char *packet
, int packet_size
)
1444 command_context_t
*cmd_ctx
= connection
->cmd_ctx
;
1446 if (strstr(packet
, "qRcmd,"))
1448 if (packet_size
> 6)
1452 cmd
= malloc((packet_size
- 6)/2 + 1);
1453 for (i
=0; i
< (packet_size
- 6)/2; i
++)
1456 sscanf(packet
+ 6 + 2*i
, "%2x", &tmp
);
1459 cmd
[(packet_size
- 6)/2] = 0x0;
1461 /* We want to print all debug output to GDB connection */
1462 log_add_callback(gdb_log_callback
, connection
);
1463 target_call_timer_callbacks();
1464 command_run_line(cmd_ctx
, cmd
);
1465 log_remove_callback(gdb_log_callback
, connection
);
1468 gdb_put_packet(connection
, "OK", 2);
1471 else if (strstr(packet
, "qCRC:"))
1473 if (packet_size
> 5)
1482 /* skip command character */
1485 addr
= strtoul(packet
, &separator
, 16);
1487 if (*separator
!= ',')
1489 ERROR("incomplete read memory packet received, dropping connection");
1490 return ERROR_SERVER_REMOTE_CLOSED
;
1493 len
= strtoul(separator
+ 1, NULL
, 16);
1495 retval
= target_checksum_memory(target
, addr
, len
, &checksum
);
1497 if (retval
== ERROR_OK
)
1499 snprintf(gdb_reply
, 10, "C%8.8x", checksum
);
1500 gdb_put_packet(connection
, gdb_reply
, 9);
1504 if ((retval
= gdb_error(connection
, retval
)) != ERROR_OK
)
1511 else if (strstr(packet
, "qSupported"))
1513 /* we currently support packet size and qXfer:memory-map:read (if enabled)
1514 * disable qXfer:features:read for the moment */
1515 int retval
= ERROR_OK
;
1516 char *buffer
= NULL
;
1520 xml_printf(&retval
, &buffer
, &pos
, &size
,
1521 "PacketSize=%x;qXfer:memory-map:read%c;qXfer:features:read-",
1522 (GDB_BUFFER_SIZE
- 1), gdb_use_memory_map
== 1 ? '+' : '-');
1524 if (retval
!= ERROR_OK
)
1526 gdb_send_error(connection
, 01);
1530 gdb_put_packet(connection
, buffer
, strlen(buffer
));
1535 else if (strstr(packet
, "qXfer:memory-map:read::"))
1537 /* We get away with only specifying flash here. Regions that are not
1538 * specified are treated as if we provided no memory map(if not we
1539 * could detect the holes and mark them as RAM).
1540 * Normally we only execute this code once, but no big deal if we
1541 * have to regenerate it a couple of times. */
1547 int retval
= ERROR_OK
;
1554 /* skip command character */
1557 offset
= strtoul(packet
, &separator
, 16);
1558 length
= strtoul(separator
+ 1, &separator
, 16);
1560 xml_printf(&retval
, &xml
, &pos
, &size
, "<memory-map>\n");
1563 for (i
=0; i
<flash_get_bank_count(); i
++)
1565 p
= get_flash_bank_by_num(i
);
1569 /* if device has uneven sector sizes, eg. str7, lpc
1570 * we pass the smallest sector size to gdb memory map */
1571 blocksize
= gdb_calc_blocksize(p
);
1573 xml_printf(&retval
, &xml
, &pos
, &size
, "<memory type=\"flash\" start=\"0x%x\" length=\"0x%x\">\n" \
1574 "<property name=\"blocksize\">0x%x</property>\n" \
1576 p
->base
, p
->size
, blocksize
);
1579 xml_printf(&retval
, &xml
, &pos
, &size
, "</memory-map>\n");
1581 if (retval
!= ERROR_OK
)
1583 gdb_send_error(connection
, retval
);
1587 if (offset
+ length
> pos
)
1589 length
= pos
- offset
;
1592 char *t
= malloc(length
+ 1);
1594 memcpy(t
+ 1, xml
+ offset
, length
);
1595 gdb_put_packet(connection
, t
, length
+ 1);
1601 else if (strstr(packet
, "qXfer:features:read:"))
1606 int retval
= ERROR_OK
;
1609 unsigned int length
;
1612 /* skip command character */
1615 if (decode_xfer_read(packet
, &annex
, &offset
, &length
) < 0)
1617 gdb_send_error(connection
, 01);
1621 if (strcmp(annex
, "target.xml") != 0)
1623 gdb_send_error(connection
, 01);
1627 xml_printf(&retval
, &xml
, &pos
, &size
, \
1628 "l<target version=\"1.0\">\n<architecture>arm</architecture>\n</target>\n");
1630 if (retval
!= ERROR_OK
)
1632 gdb_send_error(connection
, retval
);
1636 gdb_put_packet(connection
, xml
, strlen(xml
) + 1);
1642 gdb_put_packet(connection
, "", 0);
1646 int gdb_v_packet(connection_t
*connection
, target_t
*target
, char *packet
, int packet_size
)
1648 gdb_connection_t
*gdb_connection
= connection
->priv
;
1649 gdb_service_t
*gdb_service
= connection
->service
->priv
;
1652 /* if flash programming disabled - send a empty reply */
1654 if (gdb_flash_program
== 0)
1656 gdb_put_packet(connection
, "", 0);
1660 if (strstr(packet
, "vFlashErase:"))
1663 unsigned long length
;
1665 char *parse
= packet
+ 12;
1668 ERROR("incomplete vFlashErase packet received, dropping connection");
1669 return ERROR_SERVER_REMOTE_CLOSED
;
1672 addr
= strtoul(parse
, &parse
, 16);
1674 if (*(parse
++) != ',' || *parse
== '\0')
1676 ERROR("incomplete vFlashErase packet received, dropping connection");
1677 return ERROR_SERVER_REMOTE_CLOSED
;
1680 length
= strtoul(parse
, &parse
, 16);
1684 ERROR("incomplete vFlashErase packet received, dropping connection");
1685 return ERROR_SERVER_REMOTE_CLOSED
;
1688 /* assume all sectors need erasing - stops any problems
1689 * when flash_write is called multiple times */
1692 /* perform any target specific operations before the erase */
1693 target_call_event_callbacks(gdb_service
->target
, TARGET_EVENT_GDB_PROGRAM
);
1696 if ((result
= flash_erase_address_range(gdb_service
->target
, addr
, length
)) != ERROR_OK
)
1698 /* GDB doesn't evaluate the actual error number returned,
1699 * treat a failed erase as an I/O error
1701 gdb_send_error(connection
, EIO
);
1702 ERROR("flash_erase returned %i", result
);
1705 gdb_put_packet(connection
, "OK", 2);
1710 if (strstr(packet
, "vFlashWrite:"))
1713 unsigned long length
;
1714 char *parse
= packet
+ 12;
1718 ERROR("incomplete vFlashErase packet received, dropping connection");
1719 return ERROR_SERVER_REMOTE_CLOSED
;
1721 addr
= strtoul(parse
, &parse
, 16);
1722 if (*(parse
++) != ':')
1724 ERROR("incomplete vFlashErase packet received, dropping connection");
1725 return ERROR_SERVER_REMOTE_CLOSED
;
1727 length
= packet_size
- (parse
- packet
);
1729 /* create a new image if there isn't already one */
1730 if (gdb_connection
->vflash_image
== NULL
)
1732 gdb_connection
->vflash_image
= malloc(sizeof(image_t
));
1733 image_open(gdb_connection
->vflash_image
, "", "build");
1736 /* create new section with content from packet buffer */
1737 image_add_section(gdb_connection
->vflash_image
, addr
, length
, 0x0, (u8
*)parse
);
1739 gdb_put_packet(connection
, "OK", 2);
1744 if (!strcmp(packet
, "vFlashDone"))
1748 /* process the flashing buffer. No need to erase as GDB
1749 * always issues a vFlashErase first. */
1750 if ((result
= flash_write(gdb_service
->target
, gdb_connection
->vflash_image
, &written
, 0)) != ERROR_OK
)
1752 if (result
== ERROR_FLASH_DST_OUT_OF_BANK
)
1753 gdb_put_packet(connection
, "E.memtype", 9);
1755 gdb_send_error(connection
, EIO
);
1759 DEBUG("wrote %u bytes from vFlash image to flash", written
);
1760 gdb_put_packet(connection
, "OK", 2);
1763 image_close(gdb_connection
->vflash_image
);
1764 free(gdb_connection
->vflash_image
);
1765 gdb_connection
->vflash_image
= NULL
;
1770 gdb_put_packet(connection
, "", 0);
1774 int gdb_detach(connection_t
*connection
, target_t
*target
)
1776 switch( detach_mode
)
1778 case GDB_DETACH_RESUME
:
1779 target
->type
->resume(target
, 1, 0, 1, 0);
1782 case GDB_DETACH_RESET
:
1783 target_process_reset(connection
->cmd_ctx
);
1786 case GDB_DETACH_HALT
:
1787 target
->type
->halt(target
);
1790 case GDB_DETACH_NOTHING
:
1794 gdb_put_packet(connection
, "OK", 2);
1799 static void gdb_log_callback(void *priv
, const char *file
, int line
,
1800 const char *function
, const char *string
)
1802 connection_t
*connection
= priv
;
1803 gdb_connection_t
*gdb_con
= connection
->priv
;
1807 /* do not reply this using the O packet */
1811 gdb_output_con(connection
, string
);
1814 int gdb_input_inner(connection_t
*connection
)
1816 gdb_service_t
*gdb_service
= connection
->service
->priv
;
1817 target_t
*target
= gdb_service
->target
;
1818 char packet
[GDB_BUFFER_SIZE
];
1821 gdb_connection_t
*gdb_con
= connection
->priv
;
1822 static int extended_protocol
= 0;
1824 /* drain input buffer */
1827 packet_size
= GDB_BUFFER_SIZE
-1;
1828 if ((retval
= gdb_get_packet(connection
, packet
, &packet_size
)) != ERROR_OK
)
1833 /* terminate with zero */
1834 packet
[packet_size
] = 0;
1836 DEBUG("received packet: '%s'", packet
);
1838 if (packet_size
> 0)
1844 /* Hct... -- set thread
1845 * we don't have threads, send empty reply */
1846 gdb_put_packet(connection
, NULL
, 0);
1849 retval
= gdb_query_packet(connection
, target
, packet
, packet_size
);
1852 retval
= gdb_get_registers_packet(connection
, target
, packet
, packet_size
);
1855 retval
= gdb_set_registers_packet(connection
, target
, packet
, packet_size
);
1858 retval
= gdb_get_register_packet(connection
, target
, packet
, packet_size
);
1861 retval
= gdb_set_register_packet(connection
, target
, packet
, packet_size
);
1864 retval
= gdb_read_memory_packet(connection
, target
, packet
, packet_size
);
1867 retval
= gdb_write_memory_packet(connection
, target
, packet
, packet_size
);
1871 retval
= gdb_breakpoint_watchpoint_packet(connection
, target
, packet
, packet_size
);
1874 gdb_last_signal_packet(connection
, target
, packet
, packet_size
);
1879 /* We're running/stepping, in which case we can
1880 * forward log output until the target is halted */
1881 gdb_connection_t
*gdb_con
= connection
->priv
;
1882 gdb_con
->frontend_state
= TARGET_RUNNING
;
1883 log_add_callback(gdb_log_callback
, connection
);
1884 gdb_step_continue_packet(connection
, target
, packet
, packet_size
);
1888 retval
= gdb_v_packet(connection
, target
, packet
, packet_size
);
1891 retval
= gdb_detach(connection
, target
);
1892 extended_protocol
= 0;
1895 if ((retval
= gdb_write_memory_binary_packet(connection
, target
, packet
, packet_size
)) != ERROR_OK
)
1899 if (extended_protocol
!= 0)
1901 gdb_put_packet(connection
, "OK", 2);
1902 return ERROR_SERVER_REMOTE_CLOSED
;
1904 /* handle extended remote protocol */
1905 extended_protocol
= 1;
1906 gdb_put_packet(connection
, "OK", 2);
1909 /* handle extended restart packet */
1910 target_process_reset(connection
->cmd_ctx
);
1913 /* ignore unkown packets */
1914 DEBUG("ignoring 0x%2.2x packet", packet
[0]);
1915 gdb_put_packet(connection
, NULL
, 0);
1919 /* if a packet handler returned an error, exit input loop */
1920 if (retval
!= ERROR_OK
)
1924 if (gdb_con
->ctrl_c
)
1926 if (target
->state
== TARGET_RUNNING
)
1928 target
->type
->halt(target
);
1929 gdb_con
->ctrl_c
= 0;
1933 } while (gdb_con
->buf_cnt
> 0);
1938 int gdb_input(connection_t
*connection
)
1940 int retval
= gdb_input_inner(connection
);
1941 gdb_connection_t
*gdb_con
= connection
->priv
;
1942 if (retval
== ERROR_SERVER_REMOTE_CLOSED
)
1945 /* logging does not propagate the error, yet can set th gdb_con->closed flag */
1946 if (gdb_con
->closed
)
1947 return ERROR_SERVER_REMOTE_CLOSED
;
1949 /* we'll recover from any other errors(e.g. temporary timeouts, etc.) */
1955 gdb_service_t
*gdb_service
;
1956 target_t
*target
= targets
;
1961 WARNING("no gdb ports allocated as no target has been specified");
1967 WARNING("no gdb port specified, using default port 3333");
1973 char service_name
[8];
1975 snprintf(service_name
, 8, "gdb-%2.2i", i
);
1977 gdb_service
= malloc(sizeof(gdb_service_t
));
1978 gdb_service
->target
= target
;
1980 add_service("gdb", CONNECTION_GDB
, gdb_port
+ i
, 1, gdb_new_connection
, gdb_input
, gdb_connection_closed
, gdb_service
);
1982 DEBUG("gdb service for target %s at port %i", target
->type
->name
, gdb_port
+ i
);
1985 target
= target
->next
;
1991 /* daemon configuration command gdb_port */
1992 int handle_gdb_port_command(struct command_context_s
*cmd_ctx
, char *cmd
, char **args
, int argc
)
1997 /* only if the port wasn't overwritten by cmdline */
1999 gdb_port
= strtoul(args
[0], NULL
, 0);
2004 int handle_gdb_detach_command(struct command_context_s
*cmd_ctx
, char *cmd
, char **args
, int argc
)
2008 if (strcmp(args
[0], "resume") == 0)
2010 detach_mode
= GDB_DETACH_RESUME
;
2013 else if (strcmp(args
[0], "reset") == 0)
2015 detach_mode
= GDB_DETACH_RESET
;
2018 else if (strcmp(args
[0], "halt") == 0)
2020 detach_mode
= GDB_DETACH_HALT
;
2023 else if (strcmp(args
[0], "nothing") == 0)
2025 detach_mode
= GDB_DETACH_NOTHING
;
2030 WARNING("invalid gdb_detach configuration directive: %s", args
[0]);
2034 int handle_gdb_memory_map_command(struct command_context_s
*cmd_ctx
, char *cmd
, char **args
, int argc
)
2038 if (strcmp(args
[0], "enable") == 0)
2040 gdb_use_memory_map
= 1;
2043 else if (strcmp(args
[0], "disable") == 0)
2045 gdb_use_memory_map
= 0;
2050 WARNING("invalid gdb_memory_map configuration directive: %s", args
[0]);
2054 int handle_gdb_flash_program_command(struct command_context_s
*cmd_ctx
, char *cmd
, char **args
, int argc
)
2058 if (strcmp(args
[0], "enable") == 0)
2060 gdb_flash_program
= 1;
2063 else if (strcmp(args
[0], "disable") == 0)
2065 gdb_flash_program
= 0;
2070 WARNING("invalid gdb_memory_map configuration directive: %s", args
[0]);
2074 int handle_gdb_report_data_abort_command(struct command_context_s
*cmd_ctx
, char *cmd
, char **args
, int argc
)
2078 if (strcmp(args
[0], "enable") == 0)
2080 gdb_report_data_abort
= 1;
2083 else if (strcmp(args
[0], "disable") == 0)
2085 gdb_report_data_abort
= 0;
2090 WARNING("invalid gdb_report_data_abort configuration directive: %s", args
[0]);
2094 int gdb_register_commands(command_context_t
*command_context
)
2096 register_command(command_context
, NULL
, "gdb_port", handle_gdb_port_command
,
2097 COMMAND_CONFIG
, "");
2098 register_command(command_context
, NULL
, "gdb_detach", handle_gdb_detach_command
,
2099 COMMAND_CONFIG
, "");
2100 register_command(command_context
, NULL
, "gdb_memory_map", handle_gdb_memory_map_command
,
2101 COMMAND_CONFIG
, "");
2102 register_command(command_context
, NULL
, "gdb_flash_program", handle_gdb_flash_program_command
,
2103 COMMAND_CONFIG
, "");
2104 register_command(command_context
, NULL
, "gdb_report_data_abort", handle_gdb_report_data_abort_command
,
2105 COMMAND_CONFIG
, "");
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