* Disabled by default.
*/
static int gdb_report_data_abort;
+/* If set, errors when accessing registers are reported to gdb. Disabled by
+ * default. */
+static int gdb_report_register_access_error;
/* set if we are sending target descriptions to gdb
* via qXfer:features:read packet */
reg_packet_p = reg_packet;
for (i = 0; i < reg_list_size; i++) {
- if (!reg_list[i]->valid)
- reg_list[i]->type->get(reg_list[i]);
+ if (!reg_list[i]->valid) {
+ retval = reg_list[i]->type->get(reg_list[i]);
+ if (retval != ERROR_OK && gdb_report_register_access_error) {
+ LOG_DEBUG("Couldn't get register %s.", reg_list[i]->name);
+ free(reg_packet);
+ free(reg_list);
+ return gdb_error(connection, retval);
+ }
+ }
gdb_str_to_target(target, reg_packet_p, reg_list[i]);
reg_packet_p += DIV_ROUND_UP(reg_list[i]->size, 8) * 2;
}
bin_buf = malloc(DIV_ROUND_UP(reg_list[i]->size, 8));
gdb_target_to_reg(target, packet_p, chars, bin_buf);
- reg_list[i]->type->set(reg_list[i], bin_buf);
+ retval = reg_list[i]->type->set(reg_list[i], bin_buf);
+ if (retval != ERROR_OK && gdb_report_register_access_error) {
+ LOG_DEBUG("Couldn't set register %s.", reg_list[i]->name);
+ free(reg_list);
+ free(bin_buf);
+ return gdb_error(connection, retval);
+ }
/* advance packet pointer */
packet_p += chars;
return ERROR_SERVER_REMOTE_CLOSED;
}
- if (!reg_list[reg_num]->valid)
- reg_list[reg_num]->type->get(reg_list[reg_num]);
+ if (!reg_list[reg_num]->valid) {
+ retval = reg_list[reg_num]->type->get(reg_list[reg_num]);
+ if (retval != ERROR_OK && gdb_report_register_access_error) {
+ LOG_DEBUG("Couldn't get register %s.", reg_list[reg_num]->name);
+ free(reg_list);
+ return gdb_error(connection, retval);
+ }
+ }
reg_packet = malloc(DIV_ROUND_UP(reg_list[reg_num]->size, 8) * 2 + 1); /* plus one for string termination null */
gdb_target_to_reg(target, separator + 1, chars, bin_buf);
- reg_list[reg_num]->type->set(reg_list[reg_num], bin_buf);
+ retval = reg_list[reg_num]->type->set(reg_list[reg_num], bin_buf);
+ if (retval != ERROR_OK && gdb_report_register_access_error) {
+ LOG_DEBUG("Couldn't set register %s.", reg_list[reg_num]->name);
+ free(bin_buf);
+ free(reg_list);
+ return gdb_error(connection, retval);
+ }
gdb_put_packet(connection, "OK", 2);
int offset;
int length;
char *separator;
- uint32_t ram_start = 0;
+ target_addr_t ram_start = 0;
int i;
int target_flash_banks = 0;
/* Sort banks in ascending order. We need to report non-flash
* memory as ram (or rather read/write) by default for GDB, since
* it has no concept of non-cacheable read/write memory (i/o etc).
- *
- * FIXME Most non-flash addresses are *NOT* RAM! Don't lie.
- * Current versions of GDB assume unlisted addresses are RAM...
*/
banks = malloc(sizeof(struct flash_bank *)*flash_get_bank_count());
for (i = 0; i < target_flash_banks; i++) {
int j;
unsigned sector_size = 0;
- uint32_t start;
+ unsigned group_len = 0;
p = banks[i];
- start = p->base;
if (ram_start < p->base)
xml_printf(&retval, &xml, &pos, &size,
- "<memory type=\"ram\" start=\"0x%x\" "
+ "<memory type=\"ram\" start=\"" TARGET_ADDR_FMT "\" "
"length=\"0x%x\"/>\n",
ram_start, p->base - ram_start);
* regions with 8KB, 32KB, and 64KB sectors; etc.
*/
for (j = 0; j < p->num_sectors; j++) {
- unsigned group_len;
/* Maybe start a new group of sectors. */
if (sector_size == 0) {
+ if (p->sectors[j].offset + p->sectors[j].size > p->size) {
+ LOG_WARNING("The flash sector at offset 0x%08" PRIx32
+ " overflows the end of %s bank.",
+ p->sectors[j].offset, p->name);
+ LOG_WARNING("The rest of bank will not show in gdb memory map.");
+ break;
+ }
+ target_addr_t start;
start = p->base + p->sectors[j].offset;
xml_printf(&retval, &xml, &pos, &size,
"<memory type=\"flash\" "
- "start=\"0x%x\" ",
+ "start=\"" TARGET_ADDR_FMT "\" ",
start);
sector_size = p->sectors[j].size;
+ group_len = sector_size;
+ } else {
+ group_len += sector_size; /* equal to p->sectors[j].size */
}
/* Does this finish a group of sectors?
* If not, continue an already-started group.
*/
- if (j == p->num_sectors - 1)
- group_len = (p->base + p->size) - start;
- else if (p->sectors[j + 1].size != sector_size)
- group_len = p->base + p->sectors[j + 1].offset
- - start;
- else
+ if (j < p->num_sectors - 1
+ && p->sectors[j + 1].size == sector_size
+ && p->sectors[j + 1].offset == p->sectors[j].offset + sector_size
+ && p->sectors[j + 1].offset + p->sectors[j + 1].size <= p->size)
continue;
xml_printf(&retval, &xml, &pos, &size,
if (ram_start != 0)
xml_printf(&retval, &xml, &pos, &size,
- "<memory type=\"ram\" start=\"0x%x\" "
+ "<memory type=\"ram\" start=\"" TARGET_ADDR_FMT "\" "
"length=\"0x%x\"/>\n",
ram_start, 0-ram_start);
/* ELSE a flash chip could be at the very end of the 32 bit address
*/
free(banks);
- banks = NULL;
xml_printf(&retval, &xml, &pos, &size, "</memory-map>\n");
if (retval != ERROR_OK) {
+ free(xml);
gdb_error(connection, retval);
return retval;
}
static const char *gdb_get_reg_type_name(enum reg_type type)
{
switch (type) {
+ case REG_TYPE_BOOL:
+ return "bool";
case REG_TYPE_INT:
return "int";
case REG_TYPE_INT8:
return "int64";
case REG_TYPE_INT128:
return "int128";
+ case REG_TYPE_UINT:
+ return "uint";
case REG_TYPE_UINT8:
return "uint8";
case REG_TYPE_UINT16:
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 name=\"%s\" start=\"%d\" end=\"%d\" type=\"%s\" />\n",
+ field->name, field->bitfield->start, field->bitfield->end,
+ gdb_get_reg_type_name(field->bitfield->type));
field = field->next;
}
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 name=\"%s\" start=\"%d\" end=\"%d\" type=\"%s\" />\n",
+ field->name, field->bitfield->start, field->bitfield->end,
+ gdb_get_reg_type_name(field->bitfield->type));
field = field->next;
}
return ERROR_OK;
}
+COMMAND_HANDLER(handle_gdb_report_register_access_error)
+{
+ if (CMD_ARGC != 1)
+ return ERROR_COMMAND_SYNTAX_ERROR;
+
+ COMMAND_PARSE_ENABLE(CMD_ARGV[0], gdb_report_register_access_error);
+ return ERROR_OK;
+}
+
/* gdb_breakpoint_override */
COMMAND_HANDLER(handle_gdb_breakpoint_override_command)
{
.help = "enable or disable reporting data aborts",
.usage = "('enable'|'disable')"
},
+ {
+ .name = "gdb_report_register_access_error",
+ .handler = handle_gdb_report_register_access_error,
+ .mode = COMMAND_CONFIG,
+ .help = "enable or disable reporting register access errors",
+ .usage = "('enable'|'disable')"
+ },
{
.name = "gdb_breakpoint_override",
.handler = handle_gdb_breakpoint_override_command,
projects / openocd / blobdiff