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 /* enabled by default*/
67 int gdb_use_memory_map = 1;
68 /* enabled by default*/
69 int gdb_flash_program = 1;
71 /* if set, data aborts cause an error to be reported in memory read packets
72 * see the code in gdb_read_memory_packet() for further explanations */
73 int gdb_report_data_abort = 0;
75 int gdb_last_signal(target_t *target)
77 switch (target->debug_reason)
79 case DBG_REASON_DBGRQ:
80 return 0x2; /* SIGINT */
81 case DBG_REASON_BREAKPOINT:
82 case DBG_REASON_WATCHPOINT:
83 case DBG_REASON_WPTANDBKPT:
84 return 0x05; /* SIGTRAP */
85 case DBG_REASON_SINGLESTEP:
86 return 0x05; /* SIGTRAP */
87 case DBG_REASON_NOTHALTED:
88 return 0x0; /* no signal... shouldn't happen */
90 LOG_USER("undefined debug reason %d - target needs reset", target->debug_reason);
95 int check_pending(connection_t *connection, int timeout_s, int *got_data)
97 /* a non-blocking socket will block if there is 0 bytes available on the socket,
98 * but return with as many bytes as are available immediately
102 gdb_connection_t *gdb_con = connection->priv;
108 if (gdb_con->buf_cnt>0)
115 FD_SET(connection->fd, &read_fds);
117 tv.tv_sec = timeout_s;
119 if (select(connection->fd + 1, &read_fds, NULL, NULL, &tv) == 0)
121 /* This can typically be because a "monitor" command took too long
122 * before printing any progress messages
126 return ERROR_GDB_TIMEOUT;
132 *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 LOG_DEBUG("returned char '%c' (0x%2.2x)", *next_char, *next_char);
162 retval=check_pending(connection, 1, NULL);
163 if (retval!=ERROR_OK)
165 gdb_con->buf_cnt = read_socket(connection->fd, gdb_con->buffer, GDB_BUFFER_SIZE);
166 if (gdb_con->buf_cnt > 0)
170 if (gdb_con->buf_cnt == 0)
173 return ERROR_SERVER_REMOTE_CLOSED;
177 errno = WSAGetLastError();
184 case WSAECONNABORTED:
186 return ERROR_SERVER_REMOTE_CLOSED;
189 return ERROR_SERVER_REMOTE_CLOSED;
191 LOG_ERROR("read: %d", errno);
202 return ERROR_SERVER_REMOTE_CLOSED;
205 return ERROR_SERVER_REMOTE_CLOSED;
207 LOG_ERROR("read: %s", strerror(errno));
209 return ERROR_SERVER_REMOTE_CLOSED;
214 #ifdef _DEBUG_GDB_IO_
215 debug_buffer = malloc(gdb_con->buf_cnt + 1);
216 memcpy(debug_buffer, gdb_con->buffer, gdb_con->buf_cnt);
217 debug_buffer[gdb_con->buf_cnt] = 0;
218 LOG_DEBUG("received '%s'", debug_buffer);
222 gdb_con->buf_p = gdb_con->buffer;
224 *next_char = *(gdb_con->buf_p++);
225 if (gdb_con->buf_cnt > 0)
226 connection->input_pending = 1;
228 connection->input_pending = 0;
229 #ifdef _DEBUG_GDB_IO_
230 LOG_DEBUG("returned char '%c' (0x%2.2x)", *next_char, *next_char);
236 int gdb_putback_char(connection_t *connection, int last_char)
238 gdb_connection_t *gdb_con = connection->priv;
240 if (gdb_con->buf_p > gdb_con->buffer)
242 *(--gdb_con->buf_p) = last_char;
247 LOG_ERROR("BUG: couldn't put character back");
253 /* The only way we can detect that the socket is closed is the first time
254 * we write to it, we will fail. Subsequent write operations will
255 * succeed. Shudder! */
256 int gdb_write(connection_t *connection, void *data, int len)
258 gdb_connection_t *gdb_con = connection->priv;
260 return ERROR_SERVER_REMOTE_CLOSED;
262 if (write_socket(connection->fd, data, len) == len)
267 return ERROR_SERVER_REMOTE_CLOSED;
270 int gdb_put_packet_inner(connection_t *connection, char *buffer, int len)
273 unsigned char my_checksum = 0;
274 #ifdef _DEBUG_GDB_IO_
279 gdb_connection_t *gdb_con = connection->priv;
281 for (i = 0; i < len; i++)
282 my_checksum += buffer[i];
284 #ifdef _DEBUG_GDB_IO_
286 * At this point we should have nothing in the input queue from GDB,
287 * however sometimes '-' is sent even though we've already received
288 * an ACK (+) for everything we've sent off.
294 if ((retval=check_pending(connection, 0, &gotdata))!=ERROR_OK)
298 if ((retval = gdb_get_char(connection, &reply)) != ERROR_OK)
300 LOG_WARNING("Discard unexpected char %c", reply);
307 #ifdef _DEBUG_GDB_IO_
308 debug_buffer = malloc(len + 1);
309 memcpy(debug_buffer, buffer, len);
310 debug_buffer[len] = 0;
311 LOG_DEBUG("sending packet '$%s#%2.2x'", debug_buffer, my_checksum);
315 char local_buffer[1024];
316 local_buffer[0] = '$';
317 if (len+4 <= sizeof(local_buffer))
319 /* performance gain on smaller packets by only a single call to gdb_write() */
320 memcpy(local_buffer+1, buffer, len++);
321 local_buffer[len++] = '#';
322 local_buffer[len++] = DIGITS[(my_checksum >> 4) & 0xf];
323 local_buffer[len++] = DIGITS[my_checksum & 0xf];
324 gdb_write(connection, local_buffer, len);
328 /* larger packets are transmitted directly from caller supplied buffer
329 by several calls to gdb_write() to avoid dynamic allocation */
330 local_buffer[1] = '#';
331 local_buffer[2] = DIGITS[(my_checksum >> 4) & 0xf];
332 local_buffer[3] = DIGITS[my_checksum & 0xf];
333 gdb_write(connection, local_buffer, 1);
334 gdb_write(connection, buffer, len);
335 gdb_write(connection, local_buffer+1, 3);
338 if ((retval = gdb_get_char(connection, &reply)) != ERROR_OK)
343 else if (reply == '-')
345 /* Stop sending output packets for now */
346 log_remove_callback(gdb_log_callback, connection);
347 LOG_WARNING("negative reply, retrying");
349 else if (reply == 0x3)
352 if ((retval = gdb_get_char(connection, &reply)) != ERROR_OK)
356 else if (reply == '-')
358 /* Stop sending output packets for now */
359 log_remove_callback(gdb_log_callback, connection);
360 LOG_WARNING("negative reply, retrying");
364 LOG_ERROR("unknown character 0x%2.2x in reply, dropping connection", reply);
366 return ERROR_SERVER_REMOTE_CLOSED;
371 LOG_ERROR("unknown character 0x%2.2x in reply, dropping connection", reply);
373 return ERROR_SERVER_REMOTE_CLOSED;
377 return ERROR_SERVER_REMOTE_CLOSED;
382 int gdb_put_packet(connection_t *connection, char *buffer, int len)
384 gdb_connection_t *gdb_con = connection->priv;
386 int retval = gdb_put_packet_inner(connection, buffer, len);
391 int gdb_get_packet_inner(connection_t *connection, char *buffer, int *len)
397 unsigned char my_checksum = 0;
398 gdb_connection_t *gdb_con = connection->priv;
404 if ((retval = gdb_get_char(connection, &character)) != ERROR_OK)
407 #ifdef _DEBUG_GDB_IO_
408 LOG_DEBUG("character: '%c'", character);
416 LOG_WARNING("acknowledgment received, but no packet pending");
419 LOG_WARNING("negative acknowledgment, but no packet pending");
426 LOG_WARNING("ignoring character 0x%x", character);
429 } while (character != '$');
434 gdb_connection_t *gdb_con = connection->priv;
437 /* The common case is that we have an entire packet with no escape chars.
438 * We need to leave at least 2 bytes in the buffer to have
439 * gdb_get_char() update various bits and bobs correctly.
441 if ((gdb_con->buf_cnt > 2) && ((gdb_con->buf_cnt+count) < *len))
443 /* The compiler will struggle a bit with constant propagation and
444 * aliasing, so we help it by showing that these values do not
445 * change inside the loop
448 char *buf = gdb_con->buf_p;
449 int run = gdb_con->buf_cnt - 2;
456 if (character == '#')
458 /* Danger! character can be '#' when esc is
459 * used so we need an explicit boolean for done here.
465 if (character == '}')
467 /* data transmitted in binary mode (X packet)
468 * uses 0x7d as escape character */
469 my_checksum += character & 0xff;
472 my_checksum += character & 0xff;
473 buffer[count++] = (character ^ 0x20) & 0xff;
476 my_checksum += character & 0xff;
477 buffer[count++] = character & 0xff;
481 gdb_con->buf_cnt -= i;
487 LOG_ERROR("packet buffer too small");
488 return ERROR_GDB_BUFFER_TOO_SMALL;
491 if ((retval = gdb_get_char(connection, &character)) != ERROR_OK)
494 if (character == '#')
497 if (character == '}')
499 /* data transmitted in binary mode (X packet)
500 * uses 0x7d as escape character */
501 my_checksum += character & 0xff;
502 if ((retval = gdb_get_char(connection, &character)) != ERROR_OK)
504 my_checksum += character & 0xff;
505 buffer[count++] = (character ^ 0x20) & 0xff;
509 my_checksum += character & 0xff;
510 buffer[count++] = character & 0xff;
517 if ((retval = gdb_get_char(connection, &character)) != ERROR_OK)
519 checksum[0] = character;
520 if ((retval = gdb_get_char(connection, &character)) != ERROR_OK)
522 checksum[1] = character;
525 if (my_checksum == strtoul(checksum, NULL, 16))
527 gdb_write(connection, "+", 1);
531 LOG_WARNING("checksum error, requesting retransmission");
532 gdb_write(connection, "-", 1);
535 return ERROR_SERVER_REMOTE_CLOSED;
540 int gdb_get_packet(connection_t *connection, char *buffer, int *len)
542 gdb_connection_t *gdb_con = connection->priv;
544 int retval = gdb_get_packet_inner(connection, buffer, len);
549 int gdb_output_con(connection_t *connection, const char* line)
554 bin_size = strlen(line);
556 hex_buffer = malloc(bin_size*2 + 2);
557 if (hex_buffer == NULL)
558 return ERROR_GDB_BUFFER_TOO_SMALL;
561 for (i=0; i<bin_size; i++)
562 snprintf(hex_buffer + 1 + i*2, 3, "%2.2x", line[i]);
563 hex_buffer[bin_size*2+1] = 0;
565 gdb_put_packet(connection, hex_buffer, bin_size*2 + 1);
571 int gdb_output(struct command_context_s *context, char* line)
573 /* this will be dumped to the log and also sent as an O packet if possible */
574 LOG_USER_N("%s", line);
578 int gdb_program_handler(struct target_s *target, enum target_event event, void *priv)
581 struct command_context_s *cmd_ctx = priv;
583 if (target->gdb_program_script)
585 script = open_file_from_path(target->gdb_program_script, "r");
588 LOG_ERROR("couldn't open script file %s", target->gdb_program_script);
592 LOG_INFO("executing gdb_program script '%s'", target->gdb_program_script);
593 command_run_file(cmd_ctx, script, COMMAND_EXEC);
596 jtag_execute_queue();
602 int gdb_target_callback_event_handler(struct target_s *target, enum target_event event, void *priv)
604 connection_t *connection = priv;
605 gdb_connection_t *gdb_connection = connection->priv;
611 case TARGET_EVENT_HALTED:
612 /* In the GDB protocol when we are stepping or coninuing execution,
613 * we have a lingering reply. Upon receiving a halted event
614 * when we have that lingering packet, we reply to the original
615 * step or continue packet.
617 * Executing monitor commands can bring the target in and
618 * out of the running state so we'll see lots of TARGET_EVENT_XXX
619 * that are to be ignored.
621 if (gdb_connection->frontend_state == TARGET_RUNNING)
623 /* stop forwarding log packets! */
624 log_remove_callback(gdb_log_callback, connection);
626 if (gdb_connection->ctrl_c)
629 gdb_connection->ctrl_c = 0;
633 signal = gdb_last_signal(target);
636 snprintf(sig_reply, 4, "T%2.2x", signal);
637 gdb_put_packet(connection, sig_reply, 3);
638 gdb_connection->frontend_state = TARGET_HALTED;
641 case TARGET_EVENT_GDB_PROGRAM:
642 gdb_program_handler(target, event, connection->cmd_ctx);
652 int gdb_new_connection(connection_t *connection)
654 gdb_connection_t *gdb_connection = malloc(sizeof(gdb_connection_t));
655 gdb_service_t *gdb_service = connection->service->priv;
659 connection->priv = gdb_connection;
661 /* initialize gdb connection information */
662 gdb_connection->buf_p = gdb_connection->buffer;
663 gdb_connection->buf_cnt = 0;
664 gdb_connection->ctrl_c = 0;
665 gdb_connection->frontend_state = TARGET_HALTED;
666 gdb_connection->vflash_image = NULL;
667 gdb_connection->closed = 0;
668 gdb_connection->busy = 0;
670 /* send ACK to GDB for debug request */
671 gdb_write(connection, "+", 1);
673 /* output goes through gdb connection */
674 command_set_output_handler(connection->cmd_ctx, gdb_output, connection);
676 /* register callback to be informed about target events */
677 target_register_event_callback(gdb_target_callback_event_handler, connection);
679 /* a gdb session just attached, try to put the target in halt mode.
683 * If the halt fails(e.g. target needs a reset, JTAG communication not
684 * working, etc.), then the GDB connect will succeed as
685 * the get_gdb_reg_list() will lie and return a register list with
688 * This allows GDB monitor commands to be run from a GDB init script to
689 * initialize the target
691 * Also, since the halt() is asynchronous target connect will be
692 * instantaneous and thus avoiding annoying timeout problems during
695 target_halt(gdb_service->target);
697 /* remove the initial ACK from the incoming buffer */
698 if ((retval = gdb_get_char(connection, &initial_ack)) != ERROR_OK)
701 /* FIX!!!??? would we actually ever receive a + here???
704 if (initial_ack != '+')
705 gdb_putback_char(connection, initial_ack);
710 int gdb_connection_closed(connection_t *connection)
712 gdb_service_t *gdb_service = connection->service->priv;
713 gdb_connection_t *gdb_connection = connection->priv;
715 /* see if an image built with vFlash commands is left */
716 if (gdb_connection->vflash_image)
718 image_close(gdb_connection->vflash_image);
719 free(gdb_connection->vflash_image);
720 gdb_connection->vflash_image = NULL;
723 /* if this connection registered a debug-message receiver delete it */
724 delete_debug_msg_receiver(connection->cmd_ctx, gdb_service->target);
726 if (connection->priv)
728 free(connection->priv);
729 connection->priv = NULL;
733 LOG_ERROR("BUG: connection->priv == NULL");
736 target_unregister_event_callback(gdb_target_callback_event_handler, connection);
737 log_remove_callback(gdb_log_callback, connection);
742 void gdb_send_error(connection_t *connection, u8 the_error)
745 snprintf(err, 4, "E%2.2X", the_error );
746 gdb_put_packet(connection, err, 3);
749 int gdb_last_signal_packet(connection_t *connection, target_t *target, char* packet, int packet_size)
754 signal = gdb_last_signal(target);
756 snprintf(sig_reply, 4, "S%2.2x", signal);
757 gdb_put_packet(connection, sig_reply, 3);
762 /* Convert register to string of bits. NB! The # of bits in the
763 * register might be non-divisible by 8(a byte), in which
764 * case an entire byte is shown. */
765 void gdb_str_to_target(target_t *target, char *tstr, reg_t *reg)
772 buf_len = CEIL(reg->size, 8);
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];
781 void gdb_target_to_str(target_t *target, char *tstr, char *str)
783 int str_len = strlen(tstr);
788 LOG_ERROR("BUG: gdb value with uneven number of characters encountered");
792 for (i = 0; i < str_len; i+=2)
794 str[str_len - i - 1] = tstr[i + 1];
795 str[str_len - i - 2] = tstr[i];
799 int gdb_get_registers_packet(connection_t *connection, target_t *target, char* packet, int packet_size)
804 int reg_packet_size = 0;
809 #ifdef _DEBUG_GDB_IO_
813 if ((retval = target->type->get_gdb_reg_list(target, ®_list, ®_list_size)) != ERROR_OK)
815 return gdb_error(connection, retval);
818 for (i = 0; i < reg_list_size; i++)
820 reg_packet_size += reg_list[i]->size;
823 reg_packet = malloc(CEIL(reg_packet_size, 8) * 2);
824 reg_packet_p = reg_packet;
826 for (i = 0; i < reg_list_size; i++)
828 gdb_str_to_target(target, reg_packet_p, reg_list[i]);
829 reg_packet_p += CEIL(reg_list[i]->size, 8) * 2;
832 #ifdef _DEBUG_GDB_IO_
835 reg_packet_p = strndup(reg_packet, CEIL(reg_packet_size, 8) * 2);
836 LOG_DEBUG("reg_packet: %s", reg_packet_p);
841 gdb_put_packet(connection, reg_packet, CEIL(reg_packet_size, 8) * 2);
849 int gdb_set_registers_packet(connection_t *connection, target_t *target, char *packet, int packet_size)
857 #ifdef _DEBUG_GDB_IO_
861 /* skip command character */
867 LOG_WARNING("GDB set_registers packet with uneven characters received, dropping connection");
868 return ERROR_SERVER_REMOTE_CLOSED;
871 if ((retval = target->type->get_gdb_reg_list(target, ®_list, ®_list_size)) != ERROR_OK)
873 return gdb_error(connection, retval);
877 for (i = 0; i < reg_list_size; i++)
881 reg_arch_type_t *arch_type;
883 /* convert from GDB-string (target-endian) to hex-string (big-endian) */
884 hex_buf = malloc(CEIL(reg_list[i]->size, 8) * 2);
885 gdb_target_to_str(target, packet_p, hex_buf);
887 /* convert hex-string to binary buffer */
888 bin_buf = malloc(CEIL(reg_list[i]->size, 8));
889 str_to_buf(hex_buf, CEIL(reg_list[i]->size, 8) * 2, bin_buf, reg_list[i]->size, 16);
891 /* get register arch_type, and call set method */
892 arch_type = register_get_arch_type(reg_list[i]->arch_type);
893 if (arch_type == NULL)
895 LOG_ERROR("BUG: encountered unregistered arch type");
898 arch_type->set(reg_list[i], bin_buf);
900 /* advance packet pointer */
901 packet_p += (CEIL(reg_list[i]->size, 8) * 2);
907 /* free reg_t *reg_list[] array allocated by get_gdb_reg_list */
910 gdb_put_packet(connection, "OK", 2);
915 int gdb_get_register_packet(connection_t *connection, target_t *target, char *packet, int packet_size)
918 int reg_num = strtoul(packet + 1, NULL, 16);
923 #ifdef _DEBUG_GDB_IO_
927 if ((retval = target->type->get_gdb_reg_list(target, ®_list, ®_list_size)) != ERROR_OK)
929 return gdb_error(connection, retval);
932 if (reg_list_size <= reg_num)
934 LOG_ERROR("gdb requested a non-existing register");
938 reg_packet = malloc(CEIL(reg_list[reg_num]->size, 8) * 2);
940 gdb_str_to_target(target, reg_packet, reg_list[reg_num]);
942 gdb_put_packet(connection, reg_packet, CEIL(reg_list[reg_num]->size, 8) * 2);
950 int gdb_set_register_packet(connection_t *connection, target_t *target, char *packet, int packet_size)
955 int reg_num = strtoul(packet + 1, &separator, 16);
959 reg_arch_type_t *arch_type;
963 if ((retval = target->type->get_gdb_reg_list(target, ®_list, ®_list_size)) != ERROR_OK)
965 return gdb_error(connection, retval);
968 if (reg_list_size < reg_num)
970 LOG_ERROR("gdb requested a non-existing register");
971 return ERROR_SERVER_REMOTE_CLOSED;
974 if (*separator != '=')
976 LOG_ERROR("GDB 'set register packet', but no '=' following the register number");
977 return ERROR_SERVER_REMOTE_CLOSED;
980 /* convert from GDB-string (target-endian) to hex-string (big-endian) */
981 hex_buf = malloc(CEIL(reg_list[reg_num]->size, 8) * 2);
982 gdb_target_to_str(target, separator + 1, hex_buf);
984 /* convert hex-string to binary buffer */
985 bin_buf = malloc(CEIL(reg_list[reg_num]->size, 8));
986 str_to_buf(hex_buf, CEIL(reg_list[reg_num]->size, 8) * 2, bin_buf, reg_list[reg_num]->size, 16);
988 /* get register arch_type, and call set method */
989 arch_type = register_get_arch_type(reg_list[reg_num]->arch_type);
990 if (arch_type == NULL)
992 LOG_ERROR("BUG: encountered unregistered arch type");
995 arch_type->set(reg_list[reg_num], bin_buf);
997 gdb_put_packet(connection, "OK", 2);
1006 int gdb_error(connection_t *connection, int retval)
1010 case ERROR_TARGET_DATA_ABORT:
1011 gdb_send_error(connection, EIO);
1013 case ERROR_TARGET_TRANSLATION_FAULT:
1014 gdb_send_error(connection, EFAULT);
1016 case ERROR_TARGET_UNALIGNED_ACCESS:
1017 gdb_send_error(connection, EFAULT);
1019 case ERROR_TARGET_NOT_HALTED:
1020 gdb_send_error(connection, EFAULT);
1023 /* This could be that the target reset itself. */
1024 LOG_ERROR("unexpected error %i", retval);
1025 gdb_send_error(connection, EFAULT);
1032 /* We don't have to worry about the default 2 second timeout for GDB packets,
1033 * because GDB breaks up large memory reads into smaller reads.
1035 * 8191 bytes by the looks of it. Why 8191 bytes instead of 8192?????
1037 int gdb_read_memory_packet(connection_t *connection, target_t *target, char *packet, int packet_size)
1046 int retval = ERROR_OK;
1048 /* skip command character */
1051 addr = strtoul(packet, &separator, 16);
1053 if (*separator != ',')
1055 LOG_ERROR("incomplete read memory packet received, dropping connection");
1056 return ERROR_SERVER_REMOTE_CLOSED;
1059 len = strtoul(separator+1, NULL, 16);
1061 buffer = malloc(len);
1063 LOG_DEBUG("addr: 0x%8.8x, len: 0x%8.8x", addr, len);
1065 retval = target_read_buffer(target, addr, len, buffer);
1067 if ((retval == ERROR_TARGET_DATA_ABORT) && (!gdb_report_data_abort))
1069 /* TODO : Here we have to lie and send back all zero's lest stack traces won't work.
1070 * At some point this might be fixed in GDB, in which case this code can be removed.
1072 * OpenOCD developers are acutely aware of this problem, but there is nothing
1073 * gained by involving the user in this problem that hopefully will get resolved
1076 * http://sourceware.org/cgi-bin/gnatsweb.pl?cmd=view%20audit-trail&database=gdb&pr=2395
1078 * For now, the default is to fix up things to make current GDB versions work.
1079 * This can be overwritten using the gdb_report_data_abort <'enable'|'disable'> command.
1081 memset(buffer, 0, len);
1085 if (retval == ERROR_OK)
1087 hex_buffer = malloc(len * 2 + 1);
1090 for (i = 0; i < len; i++)
1093 hex_buffer[2 * i] = DIGITS[(t >> 4) & 0xf];
1094 hex_buffer[2 * i + 1] = DIGITS[t & 0xf];
1097 gdb_put_packet(connection, hex_buffer, len * 2);
1103 retval = gdb_error(connection, retval);
1111 int gdb_write_memory_packet(connection_t *connection, target_t *target, char *packet, int packet_size)
1122 /* skip command character */
1125 addr = strtoul(packet, &separator, 16);
1127 if (*separator != ',')
1129 LOG_ERROR("incomplete write memory packet received, dropping connection");
1130 return ERROR_SERVER_REMOTE_CLOSED;
1133 len = strtoul(separator+1, &separator, 16);
1135 if (*(separator++) != ':')
1137 LOG_ERROR("incomplete write memory packet received, dropping connection");
1138 return ERROR_SERVER_REMOTE_CLOSED;
1141 buffer = malloc(len);
1143 LOG_DEBUG("addr: 0x%8.8x, len: 0x%8.8x", addr, len);
1145 for (i=0; i<len; i++)
1148 sscanf(separator + 2*i, "%2x", &tmp);
1152 retval = target_write_buffer(target, addr, len, buffer);
1154 if (retval == ERROR_OK)
1156 gdb_put_packet(connection, "OK", 2);
1160 retval = gdb_error(connection, retval);
1168 int gdb_write_memory_binary_packet(connection_t *connection, target_t *target, char *packet, int packet_size)
1176 /* skip command character */
1179 addr = strtoul(packet, &separator, 16);
1181 if (*separator != ',')
1183 LOG_ERROR("incomplete write memory binary packet received, dropping connection");
1184 return ERROR_SERVER_REMOTE_CLOSED;
1187 len = strtoul(separator+1, &separator, 16);
1189 if (*(separator++) != ':')
1191 LOG_ERROR("incomplete write memory binary packet received, dropping connection");
1192 return ERROR_SERVER_REMOTE_CLOSED;
1198 LOG_DEBUG("addr: 0x%8.8x, len: 0x%8.8x", addr, len);
1200 retval = target_write_buffer(target, addr, len, (u8*)separator);
1203 if (retval == ERROR_OK)
1205 gdb_put_packet(connection, "OK", 2);
1209 if ((retval = gdb_error(connection, retval)) != ERROR_OK)
1216 void gdb_step_continue_packet(connection_t *connection, target_t *target, char *packet, int packet_size)
1223 if (packet_size > 1)
1225 packet[packet_size] = 0;
1226 address = strtoul(packet + 1, NULL, 16);
1233 if (packet[0] == 'c')
1235 LOG_DEBUG("continue");
1236 target_resume(target, current, address, 0, 0); /* resume at current address, don't handle breakpoints, not debugging */
1238 else if (packet[0] == 's')
1241 target->type->step(target, current, address, 0); /* step at current or address, don't handle breakpoints */
1245 int gdb_breakpoint_watchpoint_packet(connection_t *connection, target_t *target, char *packet, int packet_size)
1248 enum breakpoint_type bp_type = BKPT_SOFT /* dummy init to avoid warning */;
1249 enum watchpoint_rw wp_type;
1257 type = strtoul(packet + 1, &separator, 16);
1259 if (type == 0) /* memory breakpoint */
1260 bp_type = BKPT_SOFT;
1261 else if (type == 1) /* hardware breakpoint */
1262 bp_type = BKPT_HARD;
1263 else if (type == 2) /* write watchpoint */
1264 wp_type = WPT_WRITE;
1265 else if (type == 3) /* read watchpoint */
1267 else if (type == 4) /* access watchpoint */
1268 wp_type = WPT_ACCESS;
1270 if (*separator != ',')
1272 LOG_ERROR("incomplete breakpoint/watchpoint packet received, dropping connection");
1273 return ERROR_SERVER_REMOTE_CLOSED;
1276 address = strtoul(separator+1, &separator, 16);
1278 if (*separator != ',')
1280 LOG_ERROR("incomplete breakpoint/watchpoint packet received, dropping connection");
1281 return ERROR_SERVER_REMOTE_CLOSED;
1284 size = strtoul(separator+1, &separator, 16);
1290 if (packet[0] == 'Z')
1292 if ((retval = breakpoint_add(target, address, size, bp_type)) != ERROR_OK)
1294 if ((retval = gdb_error(connection, retval)) != ERROR_OK)
1299 gdb_put_packet(connection, "OK", 2);
1304 breakpoint_remove(target, address);
1305 gdb_put_packet(connection, "OK", 2);
1312 if (packet[0] == 'Z')
1314 if ((retval = watchpoint_add(target, address, size, type-2, 0, 0xffffffffu)) != ERROR_OK)
1316 if ((retval = gdb_error(connection, retval)) != ERROR_OK)
1321 gdb_put_packet(connection, "OK", 2);
1326 watchpoint_remove(target, address);
1327 gdb_put_packet(connection, "OK", 2);
1338 /* print out a string and allocate more space as needed, mainly used for XML at this point */
1339 void xml_printf(int *retval, char **xml, int *pos, int *size, const char *fmt, ...)
1341 if (*retval != ERROR_OK)
1349 if ((*xml == NULL) || (!first))
1351 /* start by 0 to exercise all the code paths.
1352 * Need minimum 2 bytes to fit 1 char and 0 terminator. */
1354 *size = *size * 2 + 2;
1356 *xml = realloc(*xml, *size);
1361 *retval = ERROR_SERVER_REMOTE_CLOSED;
1369 ret = vsnprintf(*xml + *pos, *size - *pos, fmt, ap);
1371 if ((ret > 0) && ((ret + 1) < *size - *pos))
1376 /* there was just enough or not enough space, allocate more. */
1381 static int decode_xfer_read(char *buf, char **annex, int *ofs, unsigned int *len)
1385 /* Extract and NUL-terminate the annex. */
1387 while (*buf && *buf != ':')
1393 /* After the read marker and annex, qXfer looks like a
1394 * traditional 'm' packet. */
1396 *ofs = strtoul(buf, &separator, 16);
1398 if (*separator != ',')
1401 *len = strtoul(separator+1, NULL, 16);
1406 int gdb_calc_blocksize(flash_bank_t *bank)
1409 int block_size = 0xffffffff;
1411 /* loop through all sectors and return smallest sector size */
1413 for (i = 0; i < bank->num_sectors; i++)
1415 if (bank->sectors[i].size < block_size)
1416 block_size = bank->sectors[i].size;
1422 static int compare_bank (const void * a, const void * b)
1424 flash_bank_t *b1, *b2;
1425 b1=*((flash_bank_t **)a);
1426 b2=*((flash_bank_t **)b);
1428 if (b1->base==b2->base)
1431 } else if (b1->base>b2->base)
1440 int gdb_query_packet(connection_t *connection, target_t *target, char *packet, int packet_size)
1442 command_context_t *cmd_ctx = connection->cmd_ctx;
1444 if (strstr(packet, "qRcmd,"))
1446 if (packet_size > 6)
1450 cmd = malloc((packet_size - 6)/2 + 1);
1451 for (i=0; i < (packet_size - 6)/2; i++)
1454 sscanf(packet + 6 + 2*i, "%2x", &tmp);
1457 cmd[(packet_size - 6)/2] = 0x0;
1459 /* We want to print all debug output to GDB connection */
1460 log_add_callback(gdb_log_callback, connection);
1461 target_call_timer_callbacks_now();
1462 command_run_line(cmd_ctx, cmd);
1463 target_call_timer_callbacks_now();
1464 log_remove_callback(gdb_log_callback, connection);
1467 gdb_put_packet(connection, "OK", 2);
1470 else if (strstr(packet, "qCRC:"))
1472 if (packet_size > 5)
1481 /* skip command character */
1484 addr = strtoul(packet, &separator, 16);
1486 if (*separator != ',')
1488 LOG_ERROR("incomplete read memory packet received, dropping connection");
1489 return ERROR_SERVER_REMOTE_CLOSED;
1492 len = strtoul(separator + 1, NULL, 16);
1494 retval = target_checksum_memory(target, addr, len, &checksum);
1496 if (retval == ERROR_OK)
1498 snprintf(gdb_reply, 10, "C%8.8x", checksum);
1499 gdb_put_packet(connection, gdb_reply, 9);
1503 if ((retval = gdb_error(connection, retval)) != ERROR_OK)
1510 else if (strstr(packet, "qSupported"))
1512 /* we currently support packet size and qXfer:memory-map:read (if enabled)
1513 * disable qXfer:features:read for the moment */
1514 int retval = ERROR_OK;
1515 char *buffer = NULL;
1519 xml_printf(&retval, &buffer, &pos, &size,
1520 "PacketSize=%x;qXfer:memory-map:read%c;qXfer:features:read-",
1521 (GDB_BUFFER_SIZE - 1), gdb_use_memory_map == 1 ? '+' : '-');
1523 if (retval != ERROR_OK)
1525 gdb_send_error(connection, 01);
1529 gdb_put_packet(connection, buffer, strlen(buffer));
1534 else if (strstr(packet, "qXfer:memory-map:read::"))
1536 /* We get away with only specifying flash here. Regions that are not
1537 * specified are treated as if we provided no memory map(if not we
1538 * could detect the holes and mark them as RAM).
1539 * Normally we only execute this code once, but no big deal if we
1540 * have to regenerate it a couple of times. */
1546 int retval = ERROR_OK;
1553 /* skip command character */
1556 offset = strtoul(packet, &separator, 16);
1557 length = strtoul(separator + 1, &separator, 16);
1559 xml_printf(&retval, &xml, &pos, &size, "<memory-map>\n");
1562 sort banks in ascending order, we need to make non-flash memory be ram(or rather
1563 read/write) by default for GDB.
1564 GDB does not have a concept of non-cacheable read/write memory.
1566 flash_bank_t **banks=malloc(sizeof(flash_bank_t *)*flash_get_bank_count());
1569 for (i=0; i<flash_get_bank_count(); i++)
1571 p = get_flash_bank_by_num(i);
1575 retval = ERROR_FAIL;
1576 gdb_send_error(connection, retval);
1582 qsort(banks, flash_get_bank_count(), sizeof(flash_bank_t *), compare_bank);
1585 for (i=0; i<flash_get_bank_count(); i++)
1589 if (ram_start<p->base)
1591 xml_printf(&retval, &xml, &pos, &size, "<memory type=\"ram\" start=\"0x%x\" length=\"0x%x\"/>\n",
1592 ram_start, p->base-ram_start);
1595 /* if device has uneven sector sizes, eg. str7, lpc
1596 * we pass the smallest sector size to gdb memory map */
1597 blocksize = gdb_calc_blocksize(p);
1599 xml_printf(&retval, &xml, &pos, &size, "<memory type=\"flash\" start=\"0x%x\" length=\"0x%x\">\n" \
1600 "<property name=\"blocksize\">0x%x</property>\n" \
1602 p->base, p->size, blocksize);
1603 ram_start=p->base+p->size;
1607 xml_printf(&retval, &xml, &pos, &size, "<memory type=\"ram\" start=\"0x%x\" length=\"0x%x\"/>\n",
1608 ram_start, 0-ram_start);
1611 /* a flash chip could be at the very end of the 32 bit address space, in which case
1612 ram_start will be precisely 0 */
1618 xml_printf(&retval, &xml, &pos, &size, "</memory-map>\n");
1620 if (retval != ERROR_OK)
1622 gdb_send_error(connection, retval);
1626 if (offset + length > pos)
1628 length = pos - offset;
1631 char *t = malloc(length + 1);
1633 memcpy(t + 1, xml + offset, length);
1634 gdb_put_packet(connection, t, length + 1);
1640 else if (strstr(packet, "qXfer:features:read:"))
1645 int retval = ERROR_OK;
1648 unsigned int length;
1651 /* skip command character */
1654 if (decode_xfer_read(packet, &annex, &offset, &length) < 0)
1656 gdb_send_error(connection, 01);
1660 if (strcmp(annex, "target.xml") != 0)
1662 gdb_send_error(connection, 01);
1666 xml_printf(&retval, &xml, &pos, &size, \
1667 "l<target version=\"1.0\">\n<architecture>arm</architecture>\n</target>\n");
1669 if (retval != ERROR_OK)
1671 gdb_send_error(connection, retval);
1675 gdb_put_packet(connection, xml, strlen(xml));
1681 gdb_put_packet(connection, "", 0);
1685 int gdb_v_packet(connection_t *connection, target_t *target, char *packet, int packet_size)
1687 gdb_connection_t *gdb_connection = connection->priv;
1688 gdb_service_t *gdb_service = connection->service->priv;
1691 /* if flash programming disabled - send a empty reply */
1693 if (gdb_flash_program == 0)
1695 gdb_put_packet(connection, "", 0);
1699 if (strstr(packet, "vFlashErase:"))
1702 unsigned long length;
1704 char *parse = packet + 12;
1707 LOG_ERROR("incomplete vFlashErase packet received, dropping connection");
1708 return ERROR_SERVER_REMOTE_CLOSED;
1711 addr = strtoul(parse, &parse, 16);
1713 if (*(parse++) != ',' || *parse == '\0')
1715 LOG_ERROR("incomplete vFlashErase packet received, dropping connection");
1716 return ERROR_SERVER_REMOTE_CLOSED;
1719 length = strtoul(parse, &parse, 16);
1723 LOG_ERROR("incomplete vFlashErase packet received, dropping connection");
1724 return ERROR_SERVER_REMOTE_CLOSED;
1727 /* assume all sectors need erasing - stops any problems
1728 * when flash_write is called multiple times */
1731 /* perform any target specific operations before the erase */
1732 target_call_event_callbacks(gdb_service->target, TARGET_EVENT_GDB_PROGRAM);
1735 if ((result = flash_erase_address_range(gdb_service->target, addr, length)) != ERROR_OK)
1737 /* GDB doesn't evaluate the actual error number returned,
1738 * treat a failed erase as an I/O error
1740 gdb_send_error(connection, EIO);
1741 LOG_ERROR("flash_erase returned %i", result);
1744 gdb_put_packet(connection, "OK", 2);
1749 if (strstr(packet, "vFlashWrite:"))
1752 unsigned long length;
1753 char *parse = packet + 12;
1757 LOG_ERROR("incomplete vFlashErase packet received, dropping connection");
1758 return ERROR_SERVER_REMOTE_CLOSED;
1760 addr = strtoul(parse, &parse, 16);
1761 if (*(parse++) != ':')
1763 LOG_ERROR("incomplete vFlashErase packet received, dropping connection");
1764 return ERROR_SERVER_REMOTE_CLOSED;
1766 length = packet_size - (parse - packet);
1768 /* create a new image if there isn't already one */
1769 if (gdb_connection->vflash_image == NULL)
1771 gdb_connection->vflash_image = malloc(sizeof(image_t));
1772 image_open(gdb_connection->vflash_image, "", "build");
1775 /* create new section with content from packet buffer */
1776 image_add_section(gdb_connection->vflash_image, addr, length, 0x0, (u8*)parse);
1778 gdb_put_packet(connection, "OK", 2);
1783 if (!strcmp(packet, "vFlashDone"))
1787 /* process the flashing buffer. No need to erase as GDB
1788 * always issues a vFlashErase first. */
1789 if ((result = flash_write(gdb_service->target, gdb_connection->vflash_image, &written, 0)) != ERROR_OK)
1791 if (result == ERROR_FLASH_DST_OUT_OF_BANK)
1792 gdb_put_packet(connection, "E.memtype", 9);
1794 gdb_send_error(connection, EIO);
1798 LOG_DEBUG("wrote %u bytes from vFlash image to flash", written);
1799 gdb_put_packet(connection, "OK", 2);
1802 image_close(gdb_connection->vflash_image);
1803 free(gdb_connection->vflash_image);
1804 gdb_connection->vflash_image = NULL;
1809 gdb_put_packet(connection, "", 0);
1813 int gdb_detach(connection_t *connection, target_t *target)
1815 switch( detach_mode )
1817 case GDB_DETACH_RESUME:
1818 target_resume(target, 1, 0, 1, 0);
1821 case GDB_DETACH_RESET:
1822 target_process_reset(connection->cmd_ctx);
1825 case GDB_DETACH_HALT:
1826 target_halt(target);
1829 case GDB_DETACH_NOTHING:
1833 gdb_put_packet(connection, "OK", 2);
1838 static void gdb_log_callback(void *priv, const char *file, int line,
1839 const char *function, const char *string)
1841 connection_t *connection = priv;
1842 gdb_connection_t *gdb_con = connection->priv;
1846 /* do not reply this using the O packet */
1850 gdb_output_con(connection, string);
1853 /* Do not allocate this on the stack */
1854 char gdb_packet_buffer[GDB_BUFFER_SIZE];
1856 int gdb_input_inner(connection_t *connection)
1858 gdb_service_t *gdb_service = connection->service->priv;
1859 target_t *target = gdb_service->target;
1860 char *packet=gdb_packet_buffer;
1863 gdb_connection_t *gdb_con = connection->priv;
1864 static int extended_protocol = 0;
1866 /* drain input buffer */
1869 packet_size = GDB_BUFFER_SIZE-1;
1870 if ((retval = gdb_get_packet(connection, packet, &packet_size)) != ERROR_OK)
1875 /* terminate with zero */
1876 packet[packet_size] = 0;
1878 LOG_DEBUG("received packet: '%s'", packet);
1880 if (packet_size > 0)
1886 /* Hct... -- set thread
1887 * we don't have threads, send empty reply */
1888 gdb_put_packet(connection, NULL, 0);
1891 retval = gdb_query_packet(connection, target, packet, packet_size);
1894 retval = gdb_get_registers_packet(connection, target, packet, packet_size);
1897 retval = gdb_set_registers_packet(connection, target, packet, packet_size);
1900 retval = gdb_get_register_packet(connection, target, packet, packet_size);
1903 retval = gdb_set_register_packet(connection, target, packet, packet_size);
1906 retval = gdb_read_memory_packet(connection, target, packet, packet_size);
1909 retval = gdb_write_memory_packet(connection, target, packet, packet_size);
1913 retval = gdb_breakpoint_watchpoint_packet(connection, target, packet, packet_size);
1916 gdb_last_signal_packet(connection, target, packet, packet_size);
1921 if (target->state != TARGET_HALTED)
1923 /* If the target isn't in the halted state, then we can't
1924 * step/continue. This might be early setup, etc.
1927 snprintf(sig_reply, 4, "T%2.2x", 2);
1928 gdb_put_packet(connection, sig_reply, 3);
1931 /* We're running/stepping, in which case we can
1932 * forward log output until the target is halted
1934 gdb_connection_t *gdb_con = connection->priv;
1935 gdb_con->frontend_state = TARGET_RUNNING;
1936 log_add_callback(gdb_log_callback, connection);
1937 gdb_step_continue_packet(connection, target, packet, packet_size);
1942 retval = gdb_v_packet(connection, target, packet, packet_size);
1945 retval = gdb_detach(connection, target);
1946 extended_protocol = 0;
1949 if ((retval = gdb_write_memory_binary_packet(connection, target, packet, packet_size)) != ERROR_OK)
1953 if (extended_protocol != 0)
1955 gdb_put_packet(connection, "OK", 2);
1956 return ERROR_SERVER_REMOTE_CLOSED;
1958 /* handle extended remote protocol */
1959 extended_protocol = 1;
1960 gdb_put_packet(connection, "OK", 2);
1963 /* handle extended restart packet */
1964 target_process_reset(connection->cmd_ctx);
1967 /* ignore unkown packets */
1968 LOG_DEBUG("ignoring 0x%2.2x packet", packet[0]);
1969 gdb_put_packet(connection, NULL, 0);
1973 /* if a packet handler returned an error, exit input loop */
1974 if (retval != ERROR_OK)
1978 if (gdb_con->ctrl_c)
1980 if (target->state == TARGET_RUNNING)
1982 target_halt(target);
1983 gdb_con->ctrl_c = 0;
1987 } while (gdb_con->buf_cnt > 0);
1992 int gdb_input(connection_t *connection)
1994 int retval = gdb_input_inner(connection);
1995 gdb_connection_t *gdb_con = connection->priv;
1996 if (retval == ERROR_SERVER_REMOTE_CLOSED)
1999 /* logging does not propagate the error, yet can set th gdb_con->closed flag */
2000 if (gdb_con->closed)
2001 return ERROR_SERVER_REMOTE_CLOSED;
2003 /* we'll recover from any other errors(e.g. temporary timeouts, etc.) */
2009 gdb_service_t *gdb_service;
2010 target_t *target = targets;
2015 LOG_WARNING("no gdb ports allocated as no target has been specified");
2021 LOG_WARNING("no gdb port specified, using default port 3333");
2027 char service_name[8];
2029 snprintf(service_name, 8, "gdb-%2.2i", i);
2031 gdb_service = malloc(sizeof(gdb_service_t));
2032 gdb_service->target = target;
2034 add_service("gdb", CONNECTION_GDB, gdb_port + i, 1, gdb_new_connection, gdb_input, gdb_connection_closed, gdb_service);
2036 LOG_DEBUG("gdb service for target %s at port %i", target->type->name, gdb_port + i);
2039 target = target->next;
2045 /* daemon configuration command gdb_port */
2046 int handle_gdb_port_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
2051 /* only if the port wasn't overwritten by cmdline */
2053 gdb_port = strtoul(args[0], NULL, 0);
2058 int handle_gdb_detach_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
2062 if (strcmp(args[0], "resume") == 0)
2064 detach_mode = GDB_DETACH_RESUME;
2067 else if (strcmp(args[0], "reset") == 0)
2069 detach_mode = GDB_DETACH_RESET;
2072 else if (strcmp(args[0], "halt") == 0)
2074 detach_mode = GDB_DETACH_HALT;
2077 else if (strcmp(args[0], "nothing") == 0)
2079 detach_mode = GDB_DETACH_NOTHING;
2084 LOG_WARNING("invalid gdb_detach configuration directive: %s", args[0]);
2088 int handle_gdb_memory_map_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
2092 if (strcmp(args[0], "enable") == 0)
2094 gdb_use_memory_map = 1;
2097 else if (strcmp(args[0], "disable") == 0)
2099 gdb_use_memory_map = 0;
2104 LOG_WARNING("invalid gdb_memory_map configuration directive: %s", args[0]);
2108 int handle_gdb_flash_program_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
2112 if (strcmp(args[0], "enable") == 0)
2114 gdb_flash_program = 1;
2117 else if (strcmp(args[0], "disable") == 0)
2119 gdb_flash_program = 0;
2124 LOG_WARNING("invalid gdb_memory_map configuration directive: %s", args[0]);
2128 int handle_gdb_report_data_abort_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
2132 if (strcmp(args[0], "enable") == 0)
2134 gdb_report_data_abort = 1;
2137 else if (strcmp(args[0], "disable") == 0)
2139 gdb_report_data_abort = 0;
2144 LOG_WARNING("invalid gdb_report_data_abort configuration directive: %s", args[0]);
2148 int gdb_register_commands(command_context_t *command_context)
2150 register_command(command_context, NULL, "gdb_port", handle_gdb_port_command,
2151 COMMAND_CONFIG, "");
2152 register_command(command_context, NULL, "gdb_detach", handle_gdb_detach_command,
2153 COMMAND_CONFIG, "");
2154 register_command(command_context, NULL, "gdb_memory_map", handle_gdb_memory_map_command,
2155 COMMAND_CONFIG, "");
2156 register_command(command_context, NULL, "gdb_flash_program", handle_gdb_flash_program_command,
2157 COMMAND_CONFIG, "");
2158 register_command(command_context, NULL, "gdb_report_data_abort", handle_gdb_report_data_abort_command,
2159 COMMAND_CONFIG, "");