1 /* -*- tab-width:8 -*- */
4 Copyright (C) 2011 Peter Zotov <whitequark@whitequark.org>
5 Use of this source code is governed by a BSD-style
6 license that can be found in the LICENSE file.
14 #include <sys/types.h>
18 #include <sys/socket.h>
19 #include <netinet/in.h>
20 #include <arpa/inet.h>
24 #include <stlink-common.h>
26 #include "gdb-remote.h"
28 #define DEFAULT_LOGGING_LEVEL 50
29 #define DEFAULT_GDB_LISTEN_PORT 4242
31 #define STRINGIFY_inner(name) #name
32 #define STRINGIFY(name) STRINGIFY_inner(name)
34 #define FLASH_BASE 0x08000000
36 //Allways update the FLASH_PAGE before each use, by calling stlink_calculate_pagesize
37 #define FLASH_PAGE (sl->flash_pgsz)
39 static const char hex[] = "0123456789abcdef";
41 static const char* current_memory_map = NULL;
43 typedef struct _st_state_t {
44 // things from command line, bleh
46 // "/dev/serial/by-id/usb-FTDI_TTL232R-3V3_FTE531X6-if00-port0" is only 58 chars
53 int serve(stlink_t *sl, int port);
54 char* make_memory_map(stlink_t *sl);
57 int parse_options(int argc, char** argv, st_state_t *st) {
58 static struct option long_options[] = {
59 {"help", no_argument, NULL, 'h'},
60 {"verbose", optional_argument, NULL, 'v'},
61 {"device", required_argument, NULL, 'd'},
62 {"stlink_version", required_argument, NULL, 's'},
63 {"stlinkv1", no_argument, NULL, '1'},
64 {"listen_port", required_argument, NULL, 'p'},
67 const char * help_str = "%s - usage:\n\n"
68 " -h, --help\t\tPrint this help\n"
69 " -vXX, --verbose=XX\tspecify a specific verbosity level (0..99)\n"
70 " -v, --verbose\tspecify generally verbose logging\n"
71 " -d <device>, --device=/dev/stlink2_1\n"
72 "\t\t\tWhere is your stlink device connected?\n"
73 " -s X, --stlink_version=X\n"
74 "\t\t\tChoose what version of stlink to use, (defaults to 2)\n"
75 " -1, --stlinkv1\tForce stlink version 1\n"
76 " -p 4242, --listen_port=1234\n"
77 "\t\t\tSet the gdb server listen port. "
78 "(default port: " STRINGIFY(DEFAULT_GDB_LISTEN_PORT) ")\n"
85 while ((c = getopt_long(argc, argv, "hv::d:s:1p:", long_options, &option_index)) != -1) {
88 printf("XXXXX Shouldn't really normally come here, only if there's no corresponding option\n");
89 printf("option %s", long_options[option_index].name);
91 printf(" with arg %s", optarg);
96 printf(help_str, argv[0]);
101 st->logging_level = atoi(optarg);
103 st->logging_level = DEFAULT_LOGGING_LEVEL;
107 if (strlen(optarg) > sizeof (st->devicename)) {
108 fprintf(stderr, "device name too long: %zd\n", strlen(optarg));
110 strcpy(st->devicename, optarg);
114 st->stlink_version = 1;
117 sscanf(optarg, "%i", &q);
118 if (q < 0 || q > 2) {
119 fprintf(stderr, "stlink version %d unknown!\n", q);
122 st->stlink_version = q;
125 sscanf(optarg, "%i", &q);
127 fprintf(stderr, "Can't use a negative port to listen on: %d\n", q);
136 printf("non-option ARGV-elements: ");
137 while (optind < argc)
138 printf("%s ", argv[optind++]);
145 int main(int argc, char** argv) {
150 memset(&state, 0, sizeof(state));
152 state.stlink_version = 2;
153 state.logging_level = DEFAULT_LOGGING_LEVEL;
154 state.listen_port = DEFAULT_GDB_LISTEN_PORT;
155 parse_options(argc, argv, &state);
156 switch (state.stlink_version) {
158 sl = stlink_open_usb(state.logging_level);
159 if(sl == NULL) return 1;
162 sl = stlink_v1_open(state.logging_level);
163 if(sl == NULL) return 1;
167 printf("Chip ID is %08x, Core ID is %08x.\n", sl->chip_id, sl->core_id);
171 current_memory_map = make_memory_map(sl);
173 while(serve(sl, state.listen_port) == 0);
175 /* Switch back to mass storage mode before closing. */
177 stlink_exit_debug_mode(sl);
183 static const char* const memory_map_template_F4 =
184 "<?xml version=\"1.0\"?>"
185 "<!DOCTYPE memory-map PUBLIC \"+//IDN gnu.org//DTD GDB Memory Map V1.0//EN\""
186 " \"http://sourceware.org/gdb/gdb-memory-map.dtd\">"
188 " <memory type=\"rom\" start=\"0x00000000\" length=\"0x100000\"/>" // code = sram, bootrom or flash; flash is bigger
189 " <memory type=\"ram\" start=\"0x20000000\" length=\"0x30000\"/>" // sram
190 " <memory type=\"flash\" start=\"0x08000000\" length=\"0x10000\">" //Sectors 0..3
191 " <property name=\"blocksize\">0x4000</property>" //16kB
193 " <memory type=\"flash\" start=\"0x08010000\" length=\"0x10000\">" //Sector 4
194 " <property name=\"blocksize\">0x10000</property>" //64kB
196 " <memory type=\"flash\" start=\"0x08020000\" length=\"0x70000\">" //Sectors 5..11
197 " <property name=\"blocksize\">0x20000</property>" //128kB
199 " <memory type=\"ram\" start=\"0x40000000\" length=\"0x1fffffff\"/>" // peripheral regs
200 " <memory type=\"ram\" start=\"0xe0000000\" length=\"0x1fffffff\"/>" // cortex regs
201 " <memory type=\"rom\" start=\"0x1fff0000\" length=\"0x7800\"/>" // bootrom
202 " <memory type=\"rom\" start=\"0x1fffc000\" length=\"0x10\"/>" // option byte area
205 static const char* const memory_map_template =
206 "<?xml version=\"1.0\"?>"
207 "<!DOCTYPE memory-map PUBLIC \"+//IDN gnu.org//DTD GDB Memory Map V1.0//EN\""
208 " \"http://sourceware.org/gdb/gdb-memory-map.dtd\">"
210 " <memory type=\"rom\" start=\"0x00000000\" length=\"0x%zx\"/>" // code = sram, bootrom or flash; flash is bigger
211 " <memory type=\"ram\" start=\"0x20000000\" length=\"0x%zx\"/>" // sram 8k
212 " <memory type=\"flash\" start=\"0x08000000\" length=\"0x%zx\">"
213 " <property name=\"blocksize\">0x%zx</property>"
215 " <memory type=\"ram\" start=\"0x40000000\" length=\"0x1fffffff\"/>" // peripheral regs
216 " <memory type=\"ram\" start=\"0xe0000000\" length=\"0x1fffffff\"/>" // cortex regs
217 " <memory type=\"rom\" start=\"0x%08x\" length=\"0x%zx\"/>" // bootrom
218 " <memory type=\"rom\" start=\"0x1ffff800\" length=\"0x8x\"/>" // option byte area
221 char* make_memory_map(stlink_t *sl) {
222 /* This will be freed in serve() */
223 char* map = malloc(4096);
226 if(sl->chip_id==STM32_CHIPID_F4) {
227 strcpy(map, memory_map_template_F4);
229 snprintf(map, 4096, memory_map_template,
232 sl->flash_size, sl->flash_pgsz,
233 sl->sys_base, sl->sys_size);
240 * DWT_COMP0 0xE0001020
241 * DWT_MASK0 0xE0001024
242 * DWT_FUNCTION0 0xE0001028
243 * DWT_COMP1 0xE0001030
244 * DWT_MASK1 0xE0001034
245 * DWT_FUNCTION1 0xE0001038
246 * DWT_COMP2 0xE0001040
247 * DWT_MASK2 0xE0001044
248 * DWT_FUNCTION2 0xE0001048
249 * DWT_COMP3 0xE0001050
250 * DWT_MASK3 0xE0001054
251 * DWT_FUNCTION3 0xE0001058
254 #define DATA_WATCH_NUM 4
256 enum watchfun { WATCHDISABLED = 0, WATCHREAD = 5, WATCHWRITE = 6, WATCHACCESS = 7 };
258 struct code_hw_watchpoint {
264 struct code_hw_watchpoint data_watches[DATA_WATCH_NUM];
266 static void init_data_watchpoints(stlink_t *sl) {
268 printf("init watchpoints\n");
271 // set trcena in debug command to turn on dwt unit
272 stlink_write_debug32(sl, 0xE000EDFC,
273 stlink_read_debug32(sl, 0xE000EDFC) | (1<<24));
275 // make sure all watchpoints are cleared
276 for(int i = 0; i < DATA_WATCH_NUM; i++) {
277 data_watches[i].fun = WATCHDISABLED;
278 stlink_write_debug32(sl, 0xe0001028 + i * 16, 0);
282 static int add_data_watchpoint(stlink_t *sl, enum watchfun wf, stm32_addr_t addr, unsigned int len)
288 // find a free watchpoint
298 if((mask != (uint32_t)-1) && (mask < 16)) {
299 for(i = 0; i < DATA_WATCH_NUM; i++) {
300 // is this an empty slot ?
301 if(data_watches[i].fun == WATCHDISABLED) {
303 printf("insert watchpoint %d addr %x wf %u mask %u len %d\n", i, addr, wf, mask, len);
306 data_watches[i].fun = wf;
307 data_watches[i].addr = addr;
308 data_watches[i].mask = mask;
310 // insert comparator address
311 stlink_write_debug32(sl, 0xE0001020 + i * 16, addr);
314 stlink_write_debug32(sl, 0xE0001024 + i * 16, mask);
317 stlink_write_debug32(sl, 0xE0001028 + i * 16, wf);
319 // just to make sure the matched bit is clear !
320 stlink_read_debug32(sl, 0xE0001028 + i * 16);
327 printf("failure: add watchpoints addr %x wf %u len %u\n", addr, wf, len);
332 static int delete_data_watchpoint(stlink_t *sl, stm32_addr_t addr)
336 for(i = 0 ; i < DATA_WATCH_NUM; i++) {
337 if((data_watches[i].addr == addr) && (data_watches[i].fun != WATCHDISABLED)) {
339 printf("delete watchpoint %d addr %x\n", i, addr);
342 data_watches[i].fun = WATCHDISABLED;
343 stlink_write_debug32(sl, 0xe0001028 + i * 16, 0);
350 printf("failure: delete watchpoint addr %x\n", addr);
356 #define CODE_BREAK_NUM 6
357 #define CODE_BREAK_LOW 0x01
358 #define CODE_BREAK_HIGH 0x02
360 struct code_hw_breakpoint {
365 struct code_hw_breakpoint code_breaks[CODE_BREAK_NUM];
367 static void init_code_breakpoints(stlink_t *sl) {
368 memset(sl->q_buf, 0, 4);
369 stlink_write_debug32(sl, CM3_REG_FP_CTRL, 0x03 /*KEY | ENABLE4*/);
370 printf("KARL - should read back as 0x03, not 60 02 00 00\n");
371 stlink_read_debug32(sl, CM3_REG_FP_CTRL);
373 for(int i = 0; i < CODE_BREAK_NUM; i++) {
374 code_breaks[i].type = 0;
375 stlink_write_debug32(sl, CM3_REG_FP_COMP0 + i * 4, 0);
379 static int update_code_breakpoint(stlink_t *sl, stm32_addr_t addr, int set) {
380 stm32_addr_t fpb_addr = addr & ~0x3;
381 int type = addr & 0x2 ? CODE_BREAK_HIGH : CODE_BREAK_LOW;
384 fprintf(stderr, "update_code_breakpoint: unaligned address %08x\n", addr);
389 for(int i = 0; i < CODE_BREAK_NUM; i++) {
390 if(fpb_addr == code_breaks[i].addr ||
391 (set && code_breaks[i].type == 0)) {
398 if(set) return -1; // Free slot not found
399 else return 0; // Breakpoint is already removed
402 struct code_hw_breakpoint* brk = &code_breaks[id];
404 brk->addr = fpb_addr;
406 if(set) brk->type |= type;
407 else brk->type &= ~type;
411 printf("clearing hw break %d\n", id);
414 stlink_write_debug32(sl, 0xe0002008 + id * 4, 0);
416 uint32_t mask = (brk->addr) | 1 | (brk->type << 30);
419 printf("setting hw break %d at %08x (%d)\n",
420 id, brk->addr, brk->type);
421 printf("reg %08x \n",
425 stlink_write_debug32(sl, 0xe0002008 + id * 4, mask);
437 struct flash_block* next;
440 static struct flash_block* flash_root;
442 static int flash_add_block(stm32_addr_t addr, unsigned length, stlink_t *sl) {
444 if(addr < FLASH_BASE || addr + length > FLASH_BASE + sl->flash_size) {
445 fprintf(stderr, "flash_add_block: incorrect bounds\n");
449 stlink_calculate_pagesize(sl, addr);
450 if(addr % FLASH_PAGE != 0 || length % FLASH_PAGE != 0) {
451 fprintf(stderr, "flash_add_block: unaligned block\n");
455 struct flash_block* new = malloc(sizeof(struct flash_block));
456 new->next = flash_root;
459 new->length = length;
460 new->data = calloc(length, 1);
467 static int flash_populate(stm32_addr_t addr, uint8_t* data, unsigned length) {
468 unsigned int fit_blocks = 0, fit_length = 0;
470 for(struct flash_block* fb = flash_root; fb; fb = fb->next) {
471 /* Block: ------X------Y--------
475 * Block intersects with data, if:
479 unsigned X = fb->addr, Y = fb->addr + fb->length;
480 unsigned a = addr, b = addr + length;
482 // from start of the block
483 unsigned start = (a > X ? a : X) - X;
484 unsigned end = (b > Y ? Y : b) - X;
486 memcpy(fb->data + start, data, end - start);
489 fit_length += end - start;
493 if(fit_blocks == 0) {
494 fprintf(stderr, "Unfit data block %08x -> %04x\n", addr, length);
498 if(fit_length != length) {
499 fprintf(stderr, "warning: data block %08x -> %04x truncated to %04x\n",
500 addr, length, fit_length);
501 fprintf(stderr, "(this is not an error, just a GDB glitch)\n");
507 static int flash_go(stlink_t *sl) {
510 // Some kinds of clock settings do not allow writing to flash.
513 for(struct flash_block* fb = flash_root; fb; fb = fb->next) {
515 printf("flash_do: block %08x -> %04x\n", fb->addr, fb->length);
518 unsigned length = fb->length;
519 for(stm32_addr_t page = fb->addr; page < fb->addr + fb->length; page += FLASH_PAGE) {
522 stlink_calculate_pagesize(sl, page);
525 printf("flash_do: page %08x\n", page);
528 if(stlink_write_flash(sl, page, fb->data + (page - fb->addr),
529 length > FLASH_PAGE ? FLASH_PAGE : length) < 0)
539 for(struct flash_block* fb = flash_root, *next; fb; fb = next) {
550 int serve(stlink_t *sl, int port) {
551 int sock = socket(AF_INET, SOCK_STREAM, 0);
557 unsigned int val = 1;
558 setsockopt(sock, SOL_SOCKET, SO_REUSEADDR, &val, sizeof(val));
560 struct sockaddr_in serv_addr;
561 bzero(&serv_addr,sizeof(struct sockaddr_in));
562 serv_addr.sin_family = AF_INET;
563 serv_addr.sin_addr.s_addr = inet_addr("127.0.0.1");
564 serv_addr.sin_port = htons(port);
566 if(bind(sock, (struct sockaddr *) &serv_addr, sizeof(serv_addr)) < 0) {
571 if(listen(sock, 5) < 0) {
576 stlink_force_debug(sl);
578 init_code_breakpoints(sl);
579 init_data_watchpoints(sl);
581 printf("Listening at *:%d...\n", port);
583 int client = accept(sock, NULL, NULL);
584 //signal (SIGINT, SIG_DFL);
592 printf("GDB connected.\n");
595 * To allow resetting the chip from GDB it is required to
596 * emulate attaching and detaching to target.
598 unsigned int attached = 1;
603 int status = gdb_recv_packet(client, &packet);
605 fprintf(stderr, "cannot recv: %d\n", status);
610 printf("recv: %s\n", packet);
618 if(packet[1] == 'P' || packet[1] == 'C' || packet[1] == 'L') {
623 char *separator = strstr(packet, ":"), *params = "";
624 if(separator == NULL) {
625 separator = packet + strlen(packet);
627 params = separator + 1;
630 unsigned queryNameLength = (separator - &packet[1]);
631 char* queryName = calloc(queryNameLength + 1, 1);
632 strncpy(queryName, &packet[1], queryNameLength);
635 printf("query: %s;%s\n", queryName, params);
638 if(!strcmp(queryName, "Supported")) {
639 reply = strdup("PacketSize=3fff;qXfer:memory-map:read+");
640 } else if(!strcmp(queryName, "Xfer")) {
641 char *type, *op, *__s_addr, *s_length;
643 char *annex __attribute__((unused));
645 type = strsep(&tok, ":");
646 op = strsep(&tok, ":");
647 annex = strsep(&tok, ":");
648 __s_addr = strsep(&tok, ",");
651 unsigned addr = strtoul(__s_addr, NULL, 16),
652 length = strtoul(s_length, NULL, 16);
655 printf("Xfer: type:%s;op:%s;annex:%s;addr:%d;length:%d\n",
656 type, op, annex, addr, length);
659 const char* data = NULL;
661 if(!strcmp(type, "memory-map") && !strcmp(op, "read"))
662 data = current_memory_map;
665 unsigned data_length = strlen(data);
666 if(addr + length > data_length)
667 length = data_length - addr;
672 reply = calloc(length + 2, 1);
674 strncpy(&reply[1], data, length);
677 } else if(!strncmp(queryName, "Rcmd,",4)) {
678 // Rcmd uses the wrong separator
679 char *separator = strstr(packet, ","), *params = "";
680 if(separator == NULL) {
681 separator = packet + strlen(packet);
683 params = separator + 1;
687 if (!strncmp(params,"7265",4)) {// resume
689 printf("Rcmd: resume\n");
693 reply = strdup("OK");
694 } else if (!strncmp(params,"6861",4)) { //half
695 reply = strdup("OK");
697 stlink_force_debug(sl);
700 printf("Rcmd: halt\n");
702 } else if (!strncmp(params,"7265",4)) { //reset
703 reply = strdup("OK");
705 stlink_force_debug(sl);
707 init_code_breakpoints(sl);
708 init_data_watchpoints(sl);
711 printf("Rcmd: reset\n");
715 printf("Rcmd: %s\n", params);
732 char *cmdName = strtok_r(packet, ":;", ¶ms);
734 cmdName++; // vCommand -> Command
736 if(!strcmp(cmdName, "FlashErase")) {
737 char *__s_addr, *s_length;
740 __s_addr = strsep(&tok, ",");
743 unsigned addr = strtoul(__s_addr, NULL, 16),
744 length = strtoul(s_length, NULL, 16);
747 printf("FlashErase: addr:%08x,len:%04x\n",
751 if(flash_add_block(addr, length, sl) < 0) {
752 reply = strdup("E00");
754 reply = strdup("OK");
756 } else if(!strcmp(cmdName, "FlashWrite")) {
757 char *__s_addr, *data;
760 __s_addr = strsep(&tok, ":");
763 unsigned addr = strtoul(__s_addr, NULL, 16);
764 unsigned data_length = status - (data - packet);
766 // Length of decoded data cannot be more than
767 // encoded, as escapes are removed.
768 // Additional byte is reserved for alignment fix.
769 uint8_t *decoded = calloc(data_length + 1, 1);
770 unsigned dec_index = 0;
771 for(unsigned int i = 0; i < data_length; i++) {
772 if(data[i] == 0x7d) {
774 decoded[dec_index++] = data[i] ^ 0x20;
776 decoded[dec_index++] = data[i];
781 if(dec_index % 2 != 0)
785 printf("binary packet %d -> %d\n", data_length, dec_index);
788 if(flash_populate(addr, decoded, dec_index) < 0) {
789 reply = strdup("E00");
791 reply = strdup("OK");
793 } else if(!strcmp(cmdName, "FlashDone")) {
794 if(flash_go(sl) < 0) {
795 reply = strdup("E00");
797 reply = strdup("OK");
799 } else if(!strcmp(cmdName, "Kill")) {
802 reply = strdup("OK");
815 int status = gdb_check_for_interrupt(client);
817 fprintf(stderr, "cannot check for int: %d\n", status);
822 stlink_force_debug(sl);
827 if(sl->core_stat == STLINK_CORE_HALTED) {
834 reply = strdup("S05"); // TRAP
840 reply = strdup("S05"); // TRAP
845 reply = strdup("S05"); // TRAP
847 /* Stub shall reply OK if not attached. */
848 reply = strdup("OK");
853 stlink_read_all_regs(sl, ®p);
855 reply = calloc(8 * 16 + 1, 1);
856 for(int i = 0; i < 16; i++)
857 sprintf(&reply[i * 8], "%08x", htonl(regp.r[i]));
862 unsigned id = strtoul(&packet[1], NULL, 16);
863 unsigned myreg = 0xDEADDEAD;
866 stlink_read_reg(sl, id, ®p);
867 myreg = htonl(regp.r[id]);
868 } else if(id == 0x19) {
869 stlink_read_reg(sl, 16, ®p);
870 myreg = htonl(regp.xpsr);
872 reply = strdup("E00");
875 reply = calloc(8 + 1, 1);
876 sprintf(reply, "%08x", myreg);
882 char* s_reg = &packet[1];
883 char* s_value = strstr(&packet[1], "=") + 1;
885 unsigned reg = strtoul(s_reg, NULL, 16);
886 unsigned value = strtoul(s_value, NULL, 16);
889 stlink_write_reg(sl, ntohl(value), reg);
890 } else if(reg == 0x19) {
891 stlink_write_reg(sl, ntohl(value), 16);
893 reply = strdup("E00");
897 reply = strdup("OK");
904 for(int i = 0; i < 16; i++) {
906 strncpy(str, &packet[1 + i * 8], 8);
907 uint32_t reg = strtoul(str, NULL, 16);
908 stlink_write_reg(sl, ntohl(reg), i);
911 reply = strdup("OK");
915 char* s_start = &packet[1];
916 char* s_count = strstr(&packet[1], ",") + 1;
918 stm32_addr_t start = strtoul(s_start, NULL, 16);
919 unsigned count = strtoul(s_count, NULL, 16);
921 unsigned adj_start = start % 4;
923 stlink_read_mem32(sl, start - adj_start, (count % 4 == 0) ?
924 count : count + 4 - (count % 4));
926 reply = calloc(count * 2 + 1, 1);
927 for(unsigned int i = 0; i < count; i++) {
928 reply[i * 2 + 0] = hex[sl->q_buf[i + adj_start] >> 4];
929 reply[i * 2 + 1] = hex[sl->q_buf[i + adj_start] & 0xf];
936 char* s_start = &packet[1];
937 char* s_count = strstr(&packet[1], ",") + 1;
938 char* hexdata = strstr(packet, ":") + 1;
940 stm32_addr_t start = strtoul(s_start, NULL, 16);
941 unsigned count = strtoul(s_count, NULL, 16);
943 for(unsigned int i = 0; i < count; i ++) {
944 char hex[3] = { hexdata[i*2], hexdata[i*2+1], 0 };
945 uint8_t byte = strtoul(hex, NULL, 16);
949 if((count % 4) == 0 && (start % 4) == 0) {
950 stlink_write_mem32(sl, start, count);
952 stlink_write_mem8(sl, start, count);
955 reply = strdup("OK");
962 stm32_addr_t addr = strtoul(&packet[3], &endptr, 16);
963 stm32_addr_t len = strtoul(&endptr[1], NULL, 16);
967 if(update_code_breakpoint(sl, addr, 1) < 0) {
968 reply = strdup("E00");
970 reply = strdup("OK");
974 case '2': // insert write watchpoint
975 case '3': // insert read watchpoint
976 case '4': // insert access watchpoint
979 if(packet[1] == '2') {
981 } else if(packet[1] == '3') {
985 if(add_data_watchpoint(sl, wf, addr, len) < 0) {
986 reply = strdup("E00");
988 reply = strdup("OK");
1001 stm32_addr_t addr = strtoul(&packet[3], &endptr, 16);
1002 //stm32_addr_t len = strtoul(&endptr[1], NULL, 16);
1004 switch (packet[1]) {
1005 case '1': // remove breakpoint
1006 update_code_breakpoint(sl, addr, 0);
1007 reply = strdup("OK");
1010 case '2' : // remove write watchpoint
1011 case '3' : // remove read watchpoint
1012 case '4' : // remove access watchpoint
1013 if(delete_data_watchpoint(sl, addr) < 0) {
1014 reply = strdup("E00");
1016 reply = strdup("OK");
1028 * Enter extended mode which allows restarting.
1029 * We do support that always.
1032 reply = strdup("OK");
1038 /* Reset the core. */
1041 init_code_breakpoints(sl);
1042 init_data_watchpoints(sl);
1046 reply = strdup("OK");
1057 printf("send: %s\n", reply);
1060 int result = gdb_send_packet(client, reply);
1062 fprintf(stderr, "cannot send: %d\n", result);