* Copyright (C) ST-Ericsson SA 2011 *
* michel.jaouen@stericsson.com : smp minimum support *
* *
+ * Copyright (C) 2013 Andes Technology *
+ * Hsiangkai Wang <hkwang@andestech.com> *
+ * *
+ * Copyright (C) 2013 Franck Jullien *
+ * elec4fun@gmail.com *
+ * *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
* the Free Software Foundation; either version 2 of the License, or *
*/
static int gdb_report_data_abort;
+/* set if we are sending target descriptions to gdb
+ * via qXfer:features:read packet */
+/* disabled by default */
+static int gdb_use_target_description;
+
+/* current processing free-run type, used by file-I/O */
+static char gdb_running_type;
+
static int gdb_last_signal(struct target *target)
{
switch (target->debug_reason) {
return ERROR_OK;
}
+static void gdb_signal_reply(struct target *target, struct connection *connection)
+{
+ struct gdb_connection *gdb_connection = connection->priv;
+ char sig_reply[20];
+ char stop_reason[20];
+ int sig_reply_len;
+ int signal_var;
+
+ if (target->debug_reason == DBG_REASON_EXIT) {
+ sig_reply_len = snprintf(sig_reply, sizeof(sig_reply), "W00");
+ } else {
+ if (gdb_connection->ctrl_c) {
+ signal_var = 0x2;
+ gdb_connection->ctrl_c = 0;
+ } else
+ signal_var = gdb_last_signal(target);
+
+ stop_reason[0] = '\0';
+ if (target->debug_reason == DBG_REASON_WATCHPOINT) {
+ enum watchpoint_rw hit_wp_type;
+ uint32_t hit_wp_address;
+
+ if (watchpoint_hit(target, &hit_wp_type, &hit_wp_address) == ERROR_OK) {
+
+ switch (hit_wp_type) {
+ case WPT_WRITE:
+ snprintf(stop_reason, sizeof(stop_reason),
+ "watch:%08x;", hit_wp_address);
+ break;
+ case WPT_READ:
+ snprintf(stop_reason, sizeof(stop_reason),
+ "rwatch:%08x;", hit_wp_address);
+ break;
+ case WPT_ACCESS:
+ snprintf(stop_reason, sizeof(stop_reason),
+ "awatch:%08x;", hit_wp_address);
+ break;
+ default:
+ break;
+ }
+ }
+ }
+
+ sig_reply_len = snprintf(sig_reply, sizeof(sig_reply), "T%2.2x%s",
+ signal_var, stop_reason);
+ }
+
+ gdb_put_packet(connection, sig_reply, sig_reply_len);
+ gdb_connection->frontend_state = TARGET_HALTED;
+ rtos_update_threads(target);
+}
+
+static void gdb_fileio_reply(struct target *target, struct connection *connection)
+{
+ struct gdb_connection *gdb_connection = connection->priv;
+ char fileio_command[256];
+ int command_len;
+ bool program_exited = false;
+
+ if (strcmp(target->fileio_info->identifier, "open") == 0)
+ sprintf(fileio_command, "F%s,%x/%x,%x,%x", target->fileio_info->identifier,
+ target->fileio_info->param_1,
+ target->fileio_info->param_2,
+ target->fileio_info->param_3,
+ target->fileio_info->param_4);
+ else if (strcmp(target->fileio_info->identifier, "close") == 0)
+ sprintf(fileio_command, "F%s,%x", target->fileio_info->identifier,
+ target->fileio_info->param_1);
+ else if (strcmp(target->fileio_info->identifier, "read") == 0)
+ sprintf(fileio_command, "F%s,%x,%x,%x", target->fileio_info->identifier,
+ target->fileio_info->param_1,
+ target->fileio_info->param_2,
+ target->fileio_info->param_3);
+ else if (strcmp(target->fileio_info->identifier, "write") == 0)
+ sprintf(fileio_command, "F%s,%x,%x,%x", target->fileio_info->identifier,
+ target->fileio_info->param_1,
+ target->fileio_info->param_2,
+ target->fileio_info->param_3);
+ else if (strcmp(target->fileio_info->identifier, "lseek") == 0)
+ sprintf(fileio_command, "F%s,%x,%x,%x", target->fileio_info->identifier,
+ target->fileio_info->param_1,
+ target->fileio_info->param_2,
+ target->fileio_info->param_3);
+ else if (strcmp(target->fileio_info->identifier, "rename") == 0)
+ sprintf(fileio_command, "F%s,%x/%x,%x/%x", target->fileio_info->identifier,
+ target->fileio_info->param_1,
+ target->fileio_info->param_2,
+ target->fileio_info->param_3,
+ target->fileio_info->param_4);
+ else if (strcmp(target->fileio_info->identifier, "unlink") == 0)
+ sprintf(fileio_command, "F%s,%x/%x", target->fileio_info->identifier,
+ target->fileio_info->param_1,
+ target->fileio_info->param_2);
+ else if (strcmp(target->fileio_info->identifier, "stat") == 0)
+ sprintf(fileio_command, "F%s,%x/%x,%x", target->fileio_info->identifier,
+ target->fileio_info->param_1,
+ target->fileio_info->param_2,
+ target->fileio_info->param_3);
+ else if (strcmp(target->fileio_info->identifier, "fstat") == 0)
+ sprintf(fileio_command, "F%s,%x,%x", target->fileio_info->identifier,
+ target->fileio_info->param_1,
+ target->fileio_info->param_2);
+ else if (strcmp(target->fileio_info->identifier, "gettimeofday") == 0)
+ sprintf(fileio_command, "F%s,%x,%x", target->fileio_info->identifier,
+ target->fileio_info->param_1,
+ target->fileio_info->param_2);
+ else if (strcmp(target->fileio_info->identifier, "isatty") == 0)
+ sprintf(fileio_command, "F%s,%x", target->fileio_info->identifier,
+ target->fileio_info->param_1);
+ else if (strcmp(target->fileio_info->identifier, "system") == 0)
+ sprintf(fileio_command, "F%s,%x/%x", target->fileio_info->identifier,
+ target->fileio_info->param_1,
+ target->fileio_info->param_2);
+ else if (strcmp(target->fileio_info->identifier, "exit") == 0) {
+ /* If target hits exit syscall, report to GDB the program is terminated.
+ * In addition, let target run its own exit syscall handler. */
+ program_exited = true;
+ sprintf(fileio_command, "W%02x", target->fileio_info->param_1);
+ } else {
+ LOG_DEBUG("Unknown syscall: %s", target->fileio_info->identifier);
+
+ /* encounter unknown syscall, continue */
+ gdb_connection->frontend_state = TARGET_RUNNING;
+ target_resume(target, 1, 0x0, 0, 0);
+ return;
+ }
+
+ command_len = strlen(fileio_command);
+ gdb_put_packet(connection, fileio_command, command_len);
+
+ if (program_exited) {
+ /* Use target_resume() to let target run its own exit syscall handler. */
+ gdb_connection->frontend_state = TARGET_RUNNING;
+ target_resume(target, 1, 0x0, 0, 0);
+ } else {
+ gdb_connection->frontend_state = TARGET_HALTED;
+ rtos_update_threads(target);
+ }
+}
+
static void gdb_frontend_halted(struct target *target, struct connection *connection)
{
struct gdb_connection *gdb_connection = connection->priv;
* that are to be ignored.
*/
if (gdb_connection->frontend_state == TARGET_RUNNING) {
- char sig_reply[4];
- int signal_var;
-
/* stop forwarding log packets! */
log_remove_callback(gdb_log_callback, connection);
- if (gdb_connection->ctrl_c) {
- signal_var = 0x2;
- gdb_connection->ctrl_c = 0;
- } else
- signal_var = gdb_last_signal(target);
-
- snprintf(sig_reply, 4, "T%2.2x", signal_var);
- gdb_put_packet(connection, sig_reply, 3);
- gdb_connection->frontend_state = TARGET_HALTED;
- rtos_update_threads(target);
+ /* check fileio first */
+ if (target_get_gdb_fileio_info(target, target->fileio_info) == ERROR_OK)
+ gdb_fileio_reply(target, connection);
+ else
+ gdb_signal_reply(target, connection);
}
}
{
int retval;
struct connection *connection = priv;
+ struct gdb_service *gdb_service = connection->service->priv;
+
+ if (gdb_service->target != target)
+ return ERROR_OK;
switch (event) {
case TARGET_EVENT_GDB_HALT:
gdb_connection->closed = 0;
gdb_connection->busy = 0;
gdb_connection->noack_mode = 0;
- gdb_connection->sync = true;
+ gdb_connection->sync = false;
gdb_connection->mem_write_error = false;
gdb_connection->attached = true;
if ((target->rtos != NULL) && (ERROR_OK == rtos_get_gdb_reg_list(connection)))
return ERROR_OK;
- retval = target_get_gdb_reg_list(target, ®_list, ®_list_size);
+ retval = target_get_gdb_reg_list(target, ®_list, ®_list_size,
+ REG_CLASS_GENERAL);
if (retval != ERROR_OK)
return gdb_error(connection, retval);
return ERROR_SERVER_REMOTE_CLOSED;
}
- retval = target_get_gdb_reg_list(target, ®_list, ®_list_size);
+ retval = target_get_gdb_reg_list(target, ®_list, ®_list_size,
+ REG_CLASS_GENERAL);
if (retval != ERROR_OK)
return gdb_error(connection, retval);
LOG_DEBUG("-");
#endif
- retval = target_get_gdb_reg_list(target, ®_list, ®_list_size);
+ retval = target_get_gdb_reg_list(target, ®_list, ®_list_size,
+ REG_CLASS_ALL);
if (retval != ERROR_OK)
return gdb_error(connection, retval);
LOG_DEBUG("-");
- retval = target_get_gdb_reg_list(target, ®_list, ®_list_size);
+ retval = target_get_gdb_reg_list(target, ®_list, ®_list_size,
+ REG_CLASS_ALL);
if (retval != ERROR_OK)
return gdb_error(connection, retval);
} else
current = 1;
+ gdb_running_type = packet[0];
if (packet[0] == 'c') {
LOG_DEBUG("continue");
/* resume at current address, don't handle breakpoints, not debugging */
return ERROR_OK;
}
+static const char *gdb_get_reg_type_name(enum reg_type type)
+{
+ switch (type) {
+ case REG_TYPE_INT:
+ return "int";
+ case REG_TYPE_INT8:
+ return "int8";
+ case REG_TYPE_INT16:
+ return "int16";
+ case REG_TYPE_INT32:
+ return "int32";
+ case REG_TYPE_INT64:
+ return "int64";
+ case REG_TYPE_INT128:
+ return "int128";
+ case REG_TYPE_UINT8:
+ return "uint8";
+ case REG_TYPE_UINT16:
+ return "uint16";
+ case REG_TYPE_UINT32:
+ return "uint32";
+ case REG_TYPE_UINT64:
+ return "uint64";
+ case REG_TYPE_UINT128:
+ return "uint128";
+ case REG_TYPE_CODE_PTR:
+ return "code_ptr";
+ case REG_TYPE_DATA_PTR:
+ return "data_ptr";
+ case REG_TYPE_FLOAT:
+ return "float";
+ case REG_TYPE_IEEE_SINGLE:
+ return "ieee_single";
+ case REG_TYPE_IEEE_DOUBLE:
+ return "ieee_double";
+ case REG_TYPE_ARCH_DEFINED:
+ return "int"; /* return arbitrary string to avoid compile warning. */
+ }
+
+ return "int"; /* "int" as default value */
+}
+
+static int gdb_generate_reg_type_description(struct target *target,
+ char **tdesc, int *pos, int *size, struct reg_data_type *type)
+{
+ int retval = ERROR_OK;
+
+ if (type->type_class == REG_TYPE_CLASS_VECTOR) {
+ /* <vector id="id" type="type" count="count"/> */
+ xml_printf(&retval, tdesc, pos, size,
+ "<vector id=\"%s\" type=\"%s\" count=\"%d\"/>\n",
+ type->id, type->reg_type_vector->type->id,
+ type->reg_type_vector->count);
+
+ } else if (type->type_class == REG_TYPE_CLASS_UNION) {
+ /* <union id="id">
+ * <field name="name" type="type"/> ...
+ * </union> */
+ xml_printf(&retval, tdesc, pos, size,
+ "<union id=\"%s\">\n",
+ type->id);
+
+ struct reg_data_type_union_field *field;
+ field = type->reg_type_union->fields;
+ while (field != NULL) {
+ xml_printf(&retval, tdesc, pos, size,
+ "<field name=\"%s\" type=\"%s\"/>\n",
+ field->name, field->type->id);
+
+ field = field->next;
+ }
+
+ xml_printf(&retval, tdesc, pos, size,
+ "</union>\n");
+
+ } else if (type->type_class == REG_TYPE_CLASS_STRUCT) {
+ struct reg_data_type_struct_field *field;
+ field = type->reg_type_struct->fields;
+
+ if (field->use_bitfields) {
+ /* <struct id="id" size="size">
+ * <field name="name" start="start" end="end"/> ...
+ * </struct> */
+ xml_printf(&retval, tdesc, pos, size,
+ "<struct id=\"%s\" size=\"%d\">\n",
+ type->id, type->reg_type_struct->size);
+ while (field != NULL) {
+ xml_printf(&retval, tdesc, pos, size,
+ "<field name=\"%s\" start=\"%d\" end=\"%d\"/>\n",
+ field->name, field->bitfield->start,
+ field->bitfield->end);
+
+ field = field->next;
+ }
+ } else {
+ /* <struct id="id">
+ * <field name="name" type="type"/> ...
+ * </struct> */
+ xml_printf(&retval, tdesc, pos, size,
+ "<struct id=\"%s\">\n",
+ type->id);
+ while (field != NULL) {
+ xml_printf(&retval, tdesc, pos, size,
+ "<field name=\"%s\" type=\"%s\"/>\n",
+ field->name, field->type->id);
+
+ field = field->next;
+ }
+ }
+
+ xml_printf(&retval, tdesc, pos, size,
+ "</struct>\n");
+
+ } else if (type->type_class == REG_TYPE_CLASS_FLAGS) {
+ /* <flags id="id" size="size">
+ * <field name="name" start="start" end="end"/> ...
+ * </flags> */
+ xml_printf(&retval, tdesc, pos, size,
+ "<flags id=\"%s\" size=\"%d\">\n",
+ type->id, type->reg_type_flags->size);
+
+ struct reg_data_type_flags_field *field;
+ field = type->reg_type_flags->fields;
+ while (field != NULL) {
+ xml_printf(&retval, tdesc, pos, size,
+ "<field name=\"%s\" start=\"%d\" end=\"%d\"/>\n",
+ field->name, field->bitfield->start, field->bitfield->end);
+
+ field = field->next;
+ }
+
+ xml_printf(&retval, tdesc, pos, size,
+ "</flags>\n");
+
+ }
+
+ return ERROR_OK;
+}
+
+/* Get a list of available target registers features. feature_list must
+ * be freed by caller.
+ */
+int get_reg_features_list(struct target *target, char **feature_list[], int *feature_list_size,
+ struct reg **reg_list, int reg_list_size)
+{
+ int tbl_sz = 0;
+
+ /* Start with only one element */
+ *feature_list = calloc(1, sizeof(char *));
+
+ for (int i = 0; i < reg_list_size; i++) {
+ if (reg_list[i]->exist == false)
+ continue;
+
+ if ((reg_list[i]->feature->name != NULL)
+ && (strcmp(reg_list[i]->feature->name, ""))) {
+ /* We found a feature, check if the feature is already in the
+ * table. If not, allocate a new entry for the table and
+ * put the new feature in it.
+ */
+ for (int j = 0; j < (tbl_sz + 1); j++) {
+ if (!((*feature_list)[j])) {
+ (*feature_list)[tbl_sz++] = strdup(reg_list[i]->feature->name);
+ *feature_list = realloc(*feature_list, sizeof(char *) * (tbl_sz + 1));
+ (*feature_list)[tbl_sz] = NULL;
+ break;
+ } else {
+ if (!strcmp((*feature_list)[j], reg_list[i]->feature->name))
+ break;
+ }
+ }
+ }
+ }
+
+ if (feature_list_size)
+ *feature_list_size = tbl_sz;
+
+ return ERROR_OK;
+}
+
+static int gdb_generate_target_description(struct target *target, char **tdesc)
+{
+ int retval = ERROR_OK;
+ struct reg **reg_list;
+ int reg_list_size;
+ int pos = 0;
+ int size = 0;
+
+ xml_printf(&retval, tdesc, &pos, &size,
+ "<?xml version=\"1.0\"?>\n"
+ "<!DOCTYPE target SYSTEM \"gdb-target.dtd\">\n"
+ "<target version=\"1.0\">\n");
+
+ retval = target_get_gdb_reg_list(target, ®_list,
+ ®_list_size, REG_CLASS_ALL);
+
+ if (retval != ERROR_OK) {
+ LOG_ERROR("get register list failed");
+ return ERROR_FAIL;
+ }
+
+ if (reg_list_size <= 0)
+ return ERROR_FAIL;
+
+ char **features = NULL;
+ /* Get a list of available target registers features */
+ retval = get_reg_features_list(target, &features, NULL, reg_list, reg_list_size);
+ if (retval != ERROR_OK) {
+ LOG_ERROR("Can't get the registers feature list");
+ return ERROR_FAIL;
+ }
+
+ /* If we found some features associated with registers, create sections */
+ int current_feature = 0;
+
+ /* generate target description according to register list */
+ if (features != NULL) {
+ while (features[current_feature]) {
+
+ xml_printf(&retval, tdesc, &pos, &size,
+ "<feature name=\"%s\">\n",
+ features[current_feature]);
+
+ int i;
+ for (i = 0; i < reg_list_size; i++) {
+
+ if (reg_list[i]->exist == false)
+ continue;
+
+ if (strcmp(reg_list[i]->feature->name, features[current_feature]))
+ continue;
+
+ const char *type_str;
+ if (reg_list[i]->reg_data_type != NULL) {
+ if (reg_list[i]->reg_data_type->type == REG_TYPE_ARCH_DEFINED) {
+ /* generate <type... first, if there are architecture-defined types. */
+ gdb_generate_reg_type_description(target, tdesc, &pos, &size,
+ reg_list[i]->reg_data_type);
+
+ type_str = reg_list[i]->reg_data_type->id;
+ } else {
+ /* predefined type */
+ type_str = gdb_get_reg_type_name(
+ reg_list[i]->reg_data_type->type);
+ }
+ } else {
+ /* Default type is "int" */
+ type_str = "int";
+ }
+
+ xml_printf(&retval, tdesc, &pos, &size,
+ "<reg name=\"%s\"", reg_list[i]->name);
+ xml_printf(&retval, tdesc, &pos, &size,
+ " bitsize=\"%d\"", reg_list[i]->size);
+ xml_printf(&retval, tdesc, &pos, &size,
+ " regnum=\"%d\"", reg_list[i]->number);
+ if (reg_list[i]->caller_save)
+ xml_printf(&retval, tdesc, &pos, &size,
+ " save-restore=\"yes\"");
+ else
+ xml_printf(&retval, tdesc, &pos, &size,
+ " save-restore=\"no\"");
+
+ xml_printf(&retval, tdesc, &pos, &size,
+ " type=\"%s\"", type_str);
+
+ if (reg_list[i]->group != NULL)
+ xml_printf(&retval, tdesc, &pos, &size,
+ " group=\"%s\"", reg_list[i]->group);
+
+ xml_printf(&retval, tdesc, &pos, &size,
+ "/>\n");
+ }
+
+ xml_printf(&retval, tdesc, &pos, &size,
+ "</feature>\n");
+
+ current_feature++;
+ }
+ }
+
+ xml_printf(&retval, tdesc, &pos, &size,
+ "</target>\n");
+
+ if (reg_list != NULL)
+ free(reg_list);
+
+ if (features != NULL)
+ free(features);
+
+ return ERROR_OK;
+}
+
+static int gdb_get_target_description_chunk(struct target *target, char **chunk,
+ int32_t offset, uint32_t length)
+{
+ static char *tdesc;
+ static uint32_t tdesc_length;
+
+ if (tdesc == NULL) {
+ gdb_generate_target_description(target, &tdesc);
+ tdesc_length = strlen(tdesc);
+ }
+
+ char transfer_type;
+
+ if (length < (tdesc_length - offset))
+ transfer_type = 'm';
+ else
+ transfer_type = 'l';
+
+ *chunk = malloc(length + 2);
+ (*chunk)[0] = transfer_type;
+ if (transfer_type == 'm') {
+ strncpy((*chunk) + 1, tdesc + offset, length);
+ (*chunk)[1 + length] = '\0';
+ } else {
+ strncpy((*chunk) + 1, tdesc + offset, tdesc_length - offset);
+ (*chunk)[1 + (tdesc_length - offset)] = '\0';
+
+ /* After gdb-server sends out last chunk, invalidate tdesc. */
+ free(tdesc);
+ tdesc = NULL;
+ tdesc_length = 0;
+ }
+
+ return ERROR_OK;
+}
+
static int gdb_query_packet(struct connection *connection,
char *packet, int packet_size)
{
&buffer,
&pos,
&size,
- "PacketSize=%x;qXfer:memory-map:read%c;qXfer:features:read-;QStartNoAckMode+",
+ "PacketSize=%x;qXfer:memory-map:read%c;qXfer:features:read%c;QStartNoAckMode+",
(GDB_BUFFER_SIZE - 1),
- ((gdb_use_memory_map == 1) && (flash_get_bank_count() > 0)) ? '+' : '-');
+ ((gdb_use_memory_map == 1) && (flash_get_bank_count() > 0)) ? '+' : '-',
+ (gdb_use_target_description == 1) ? '+' : '-');
if (retval != ERROR_OK) {
gdb_send_error(connection, 01);
return gdb_memory_map(connection, packet, packet_size);
else if (strncmp(packet, "qXfer:features:read:", 20) == 0) {
char *xml = NULL;
- int size = 0;
- int pos = 0;
int retval = ERROR_OK;
int offset;
return ERROR_OK;
}
- if (strcmp(annex, "target.xml") != 0) {
- gdb_send_error(connection, 01);
- return ERROR_OK;
- }
-
- xml_printf(&retval,
- &xml,
- &pos,
- &size, \
- "l < target version=\"1.0\">\n < architecture > arm</architecture>\n</target>\n");
-
+ /* Target should prepare correct target description for annex.
+ * The first character of returned xml is 'm' or 'l'. 'm' for
+ * there are *more* chunks to transfer. 'l' for it is the *last*
+ * chunk of target description.
+ */
+ retval = gdb_get_target_description_chunk(target, &xml, offset, length);
if (retval != ERROR_OK) {
gdb_error(connection, retval);
return retval;
return gdb_put_packet(connection, "OK", 2);
}
+/* The format of 'F' response packet is
+ * Fretcode,errno,Ctrl-C flag;call-specific attachment
+ */
+static int gdb_fileio_response_packet(struct connection *connection,
+ char *packet, int packet_size)
+{
+ struct target *target = get_target_from_connection(connection);
+ char *separator;
+ char *parsing_point;
+ int fileio_retcode = strtoul(packet + 1, &separator, 16);
+ int fileio_errno = 0;
+ bool fileio_ctrl_c = false;
+ int retval;
+
+ LOG_DEBUG("-");
+
+ if (*separator == ',') {
+ parsing_point = separator + 1;
+ fileio_errno = strtoul(parsing_point, &separator, 16);
+ if (*separator == ',') {
+ if (*(separator + 1) == 'C') {
+ /* TODO: process ctrl-c */
+ fileio_ctrl_c = true;
+ }
+ }
+ }
+
+ LOG_DEBUG("File-I/O response, retcode: 0x%x, errno: 0x%x, ctrl-c: %s",
+ fileio_retcode, fileio_errno, fileio_ctrl_c ? "true" : "false");
+
+ retval = target_gdb_fileio_end(target, fileio_retcode, fileio_errno, fileio_ctrl_c);
+ if (retval != ERROR_OK)
+ return ERROR_FAIL;
+
+ /* After File-I/O ends, keep continue or step */
+ if (gdb_running_type == 'c')
+ retval = target_resume(target, 1, 0x0, 0, 0);
+ else if (gdb_running_type == 's')
+ retval = target_step(target, 1, 0x0, 0);
+ else
+ retval = ERROR_FAIL;
+
+ if (retval != ERROR_OK)
+ return ERROR_FAIL;
+
+ return ERROR_OK;
+}
+
static void gdb_log_callback(void *priv, const char *file, unsigned line,
const char *function, const char *string)
{
gdb_write_smp_packet(connection, packet, packet_size);
break;
+ case 'F':
+ /* File-I/O extension */
+ /* After gdb uses host-side syscall to complete target file
+ * I/O, gdb sends host-side syscall return value to target
+ * by 'F' packet.
+ * The format of 'F' response packet is
+ * Fretcode,errno,Ctrl-C flag;call-specific attachment
+ */
+ gdb_con->frontend_state = TARGET_RUNNING;
+ log_add_callback(gdb_log_callback, connection);
+ gdb_fileio_response_packet(connection, packet, packet_size);
+ break;
+
default:
/* ignore unknown packets */
LOG_DEBUG("ignoring 0x%2.2x packet", packet[0]);
return ERROR_OK;
}
+COMMAND_HANDLER(handle_gdb_target_description_command)
+{
+ if (CMD_ARGC != 1)
+ return ERROR_COMMAND_SYNTAX_ERROR;
+
+ COMMAND_PARSE_ENABLE(CMD_ARGV[0], gdb_use_target_description);
+ return ERROR_OK;
+}
+
+COMMAND_HANDLER(handle_gdb_save_tdesc_command)
+{
+ static char *tdesc;
+ static uint32_t tdesc_length;
+ struct target *target = get_current_target(CMD_CTX);
+ char *tdesc_filename;
+
+ if (tdesc == NULL) {
+ gdb_generate_target_description(target, &tdesc);
+ tdesc_length = strlen(tdesc);
+ }
+
+ struct fileio fileio;
+ size_t size_written;
+
+ tdesc_filename = malloc(strlen(target_type_name(target)) + 5);
+ sprintf(tdesc_filename, "%s.xml", target_type_name(target));
+
+ int retval = fileio_open(&fileio, tdesc_filename, FILEIO_WRITE, FILEIO_TEXT);
+
+ if (retval != ERROR_OK) {
+ LOG_WARNING("Can't open %s for writing", tdesc_filename);
+ free(tdesc_filename);
+ return ERROR_FAIL;
+ }
+
+ retval = fileio_write(&fileio, tdesc_length, tdesc, &size_written);
+
+ fileio_close(&fileio);
+ free(tdesc_filename);
+
+ if (retval != ERROR_OK) {
+ LOG_WARNING("Error while writing the tdesc file");
+ return ERROR_FAIL;
+ }
+
+ return ERROR_OK;
+}
+
static const struct command_registration gdb_command_handlers[] = {
{
.name = "gdb_sync",
"to be used by gdb 'break' commands.",
.usage = "('hard'|'soft'|'disable')"
},
+ {
+ .name = "gdb_target_description",
+ .handler = handle_gdb_target_description_command,
+ .mode = COMMAND_CONFIG,
+ .help = "enable or disable target description",
+ .usage = "('enable'|'disable')"
+ },
+ {
+ .name = "gdb_save_tdesc",
+ .handler = handle_gdb_save_tdesc_command,
+ .mode = COMMAND_EXEC,
+ .help = "Save the target description file",
+ },
COMMAND_REGISTRATION_DONE
};
projects / fw / openocd / blobdiff