* GNU General Public License for more details. *
* *
* You should have received a copy of the GNU General Public License *
- * along with this program; if not, write to the *
- * Free Software Foundation, Inc., *
- * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
+ * along with this program. If not, see <http://www.gnu.org/licenses/>. *
***************************************************************************/
#ifdef HAVE_CONFIG_H
#include "helper/types.h"
#include "rtos_standard_stackings.h"
+static const struct rtos_register_stacking *get_stacking_info(const struct rtos *rtos, int64_t stack_ptr);
+static const struct rtos_register_stacking *get_stacking_info_arm926ejs(const struct rtos *rtos, int64_t stack_ptr);
+
+static int is_thread_id_valid(const struct rtos *rtos, int64_t thread_id);
+static int is_thread_id_valid_arm926ejs(const struct rtos *rtos, int64_t thread_id);
+
static int ThreadX_detect_rtos(struct target *target);
static int ThreadX_create(struct target *target);
static int ThreadX_update_threads(struct rtos *rtos);
static int ThreadX_get_thread_reg_list(struct rtos *rtos, int64_t thread_id, char **hex_reg_list);
static int ThreadX_get_symbol_list_to_lookup(symbol_table_elem_t *symbol_list[]);
+
+
struct ThreadX_thread_state {
int value;
- char *desc;
+ const char *desc;
};
-struct ThreadX_thread_state ThreadX_thread_states[] = {
+static const struct ThreadX_thread_state ThreadX_thread_states[] = {
{ 0, "Ready" },
{ 1, "Completed" },
{ 2, "Terminated" },
#define THREADX_NUM_STATES (sizeof(ThreadX_thread_states)/sizeof(struct ThreadX_thread_state))
+#define ARM926EJS_REGISTERS_SIZE_SOLICITED (11 * 4)
+static const struct stack_register_offset rtos_threadx_arm926ejs_stack_offsets_solicited[] = {
+ { -1, 32 }, /* r0 */
+ { -1, 32 }, /* r1 */
+ { -1, 32 }, /* r2 */
+ { -1, 32 }, /* r3 */
+ { 0x08, 32 }, /* r4 */
+ { 0x0C, 32 }, /* r5 */
+ { 0x10, 32 }, /* r6 */
+ { 0x14, 32 }, /* r7 */
+ { 0x18, 32 }, /* r8 */
+ { 0x1C, 32 }, /* r9 */
+ { 0x20, 32 }, /* r10 */
+ { 0x24, 32 }, /* r11 */
+ { -1, 32 }, /* r12 */
+ { -2, 32 }, /* sp (r13) */
+ { 0x28, 32 }, /* lr (r14) */
+ { -1, 32 }, /* pc (r15) */
+ /*{ -1, 32 },*/ /* lr (r14) */
+ /*{ 0x28, 32 },*/ /* pc (r15) */
+ { 0x04, 32 }, /* xPSR */
+};
+#define ARM926EJS_REGISTERS_SIZE_INTERRUPT (17 * 4)
+static const struct stack_register_offset rtos_threadx_arm926ejs_stack_offsets_interrupt[] = {
+ { 0x08, 32 }, /* r0 */
+ { 0x0C, 32 }, /* r1 */
+ { 0x10, 32 }, /* r2 */
+ { 0x14, 32 }, /* r3 */
+ { 0x18, 32 }, /* r4 */
+ { 0x1C, 32 }, /* r5 */
+ { 0x20, 32 }, /* r6 */
+ { 0x24, 32 }, /* r7 */
+ { 0x28, 32 }, /* r8 */
+ { 0x2C, 32 }, /* r9 */
+ { 0x30, 32 }, /* r10 */
+ { 0x34, 32 }, /* r11 */
+ { 0x38, 32 }, /* r12 */
+ { -2, 32 }, /* sp (r13) */
+ { 0x3C, 32 }, /* lr (r14) */
+ { 0x40, 32 }, /* pc (r15) */
+ { 0x04, 32 }, /* xPSR */
+};
+
+const struct rtos_register_stacking rtos_threadx_arm926ejs_stacking[] = {
+{
+ ARM926EJS_REGISTERS_SIZE_SOLICITED, /* stack_registers_size */
+ -1, /* stack_growth_direction */
+ 17, /* num_output_registers */
+ NULL, /* stack_alignment */
+ rtos_threadx_arm926ejs_stack_offsets_solicited /* register_offsets */
+},
+{
+ ARM926EJS_REGISTERS_SIZE_INTERRUPT, /* stack_registers_size */
+ -1, /* stack_growth_direction */
+ 17, /* num_output_registers */
+ NULL, /* stack_alignment */
+ rtos_threadx_arm926ejs_stack_offsets_interrupt /* register_offsets */
+},
+};
+
struct ThreadX_params {
- char *target_name;
+ const char *target_name;
unsigned char pointer_width;
unsigned char thread_stack_offset;
unsigned char thread_name_offset;
unsigned char thread_state_offset;
unsigned char thread_next_offset;
const struct rtos_register_stacking *stacking_info;
+ size_t stacking_info_nb;
+ const struct rtos_register_stacking* (*fn_get_stacking_info)(const struct rtos *rtos, int64_t stack_ptr);
+ int (*fn_is_thread_id_valid)(const struct rtos *rtos, int64_t thread_id);
};
-const struct ThreadX_params ThreadX_params_list[] = {
+static const struct ThreadX_params ThreadX_params_list[] = {
{
- "cortex_m3", /* target_name */
+ "cortex_m", /* target_name */
4, /* pointer_width; */
8, /* thread_stack_offset; */
40, /* thread_name_offset; */
48, /* thread_state_offset; */
136, /* thread_next_offset */
&rtos_standard_Cortex_M3_stacking, /* stacking_info */
+ 1, /* stacking_info_nb */
+ NULL, /* fn_get_stacking_info */
+ NULL, /* fn_is_thread_id_valid */
},
{
"cortex_r4", /* target_name */
48, /* thread_state_offset; */
136, /* thread_next_offset */
&rtos_standard_Cortex_R4_stacking, /* stacking_info */
+ 1, /* stacking_info_nb */
+ NULL, /* fn_get_stacking_info */
+ NULL, /* fn_is_thread_id_valid */
+ },
+ {
+ "arm926ejs", /* target_name */
+ 4, /* pointer_width; */
+ 8, /* thread_stack_offset; */
+ 40, /* thread_name_offset; */
+ 48, /* thread_state_offset; */
+ 136, /* thread_next_offset */
+ rtos_threadx_arm926ejs_stacking, /* stacking_info */
+ 2, /* stacking_info_nb */
+ get_stacking_info_arm926ejs, /* fn_get_stacking_info */
+ is_thread_id_valid_arm926ejs, /* fn_is_thread_id_valid */
},
};
ThreadX_VAL_tx_thread_created_count = 2,
};
-static char *ThreadX_symbol_list[] = {
+static const char * const ThreadX_symbol_list[] = {
"_tx_thread_current_ptr",
"_tx_thread_created_ptr",
"_tx_thread_created_count",
.update_threads = ThreadX_update_threads,
.get_thread_reg_list = ThreadX_get_thread_reg_list,
.get_symbol_list_to_lookup = ThreadX_get_symbol_list_to_lookup,
-
};
+static const struct rtos_register_stacking *get_stacking_info(const struct rtos *rtos, int64_t stack_ptr)
+{
+ const struct ThreadX_params *param = (const struct ThreadX_params *) rtos->rtos_specific_params;
+
+ if (param->fn_get_stacking_info != NULL)
+ return param->fn_get_stacking_info(rtos, stack_ptr);
+
+ return param->stacking_info + 0;
+}
+
+static int is_thread_id_valid(const struct rtos *rtos, int64_t thread_id)
+{
+ const struct ThreadX_params *param;
+
+ if (rtos->rtos_specific_params == NULL)
+ return 0; /* invalid */
+
+ param = (const struct ThreadX_params *) rtos->rtos_specific_params;
+
+ if (param->fn_is_thread_id_valid != NULL)
+ return param->fn_is_thread_id_valid(rtos, thread_id);
+
+ return (thread_id != 0);
+}
+
+static const struct rtos_register_stacking *get_stacking_info_arm926ejs(const struct rtos *rtos, int64_t stack_ptr)
+{
+ const struct ThreadX_params *param = (const struct ThreadX_params *) rtos->rtos_specific_params;
+ int retval;
+ uint32_t flag;
+
+ retval = target_read_buffer(rtos->target,
+ stack_ptr,
+ sizeof(flag),
+ (uint8_t *)&flag);
+ if (retval != ERROR_OK) {
+ LOG_ERROR("Error reading stack data from ThreadX thread: stack_ptr=0x%" PRIx64, stack_ptr);
+ return NULL;
+ }
+
+ if (flag == 0) {
+ LOG_DEBUG(" solicited stack");
+ return param->stacking_info + 0;
+ } else {
+ LOG_DEBUG(" interrupt stack: %u", flag);
+ return param->stacking_info + 1;
+ }
+}
+
+static int is_thread_id_valid_arm926ejs(const struct rtos *rtos, int64_t thread_id)
+{
+ return (thread_id != 0 && thread_id != 1);
+}
+
static int ThreadX_update_threads(struct rtos *rtos)
{
int retval;
param = (const struct ThreadX_params *) rtos->rtos_specific_params;
if (rtos->symbols == NULL) {
- LOG_OUTPUT("No symbols for ThreadX\r\n");
+ LOG_ERROR("No symbols for ThreadX");
return -4;
}
if (rtos->symbols[ThreadX_VAL_tx_thread_created_count].address == 0) {
- LOG_OUTPUT("Don't have the number of threads in ThreadX \r\n");
+ LOG_ERROR("Don't have the number of threads in ThreadX");
return -2;
}
(uint8_t *)&thread_list_size);
if (retval != ERROR_OK) {
- LOG_OUTPUT("Could not read ThreadX thread count from target\r\n");
+ LOG_ERROR("Could not read ThreadX thread count from target");
return retval;
}
/* wipe out previous thread details if any */
- if (rtos->thread_details != NULL) {
- int j;
- for (j = 0; j < rtos->thread_count; j++) {
- if (rtos->thread_details[j].display_str != NULL) {
- free(rtos->thread_details[j].display_str);
- rtos->thread_details[j].display_str = NULL;
- }
- if (rtos->thread_details[j].thread_name_str != NULL) {
- free(rtos->thread_details[j].thread_name_str);
- rtos->thread_details[j].thread_name_str = NULL;
- }
- if (rtos->thread_details[j].extra_info_str != NULL) {
- free(rtos->thread_details[j].extra_info_str);
- rtos->thread_details[j].extra_info_str = NULL;
- }
- }
- free(rtos->thread_details);
- rtos->thread_details = NULL;
- }
+ rtos_free_threadlist(rtos);
/* read the current thread id */
retval = target_read_buffer(rtos->target,
(uint8_t *)&rtos->current_thread);
if (retval != ERROR_OK) {
- LOG_OUTPUT("Could not read ThreadX current thread from target\r\n");
+ LOG_ERROR("Could not read ThreadX current thread from target");
return retval;
}
char tmp_str[] = "Current Execution";
thread_list_size++;
tasks_found++;
- rtos->thread_details = (struct thread_detail *) malloc(
+ rtos->thread_details = malloc(
sizeof(struct thread_detail) * thread_list_size);
rtos->thread_details->threadid = 1;
rtos->thread_details->exists = true;
- rtos->thread_details->display_str = NULL;
rtos->thread_details->extra_info_str = NULL;
- rtos->thread_details->thread_name_str = (char *) malloc(sizeof(tmp_str));
+ rtos->thread_details->thread_name_str = malloc(sizeof(tmp_str));
strcpy(rtos->thread_details->thread_name_str, tmp_str);
if (thread_list_size == 0) {
}
} else {
/* create space for new thread details */
- rtos->thread_details = (struct thread_detail *) malloc(
+ rtos->thread_details = malloc(
sizeof(struct thread_detail) * thread_list_size);
}
param->pointer_width,
(uint8_t *)&thread_ptr);
if (retval != ERROR_OK) {
- LOG_OUTPUT("Could not read ThreadX thread location from target\r\n");
+ LOG_ERROR("Could not read ThreadX thread location from target");
return retval;
}
param->pointer_width,
(uint8_t *)&name_ptr);
if (retval != ERROR_OK) {
- LOG_OUTPUT("Could not read ThreadX thread name pointer from target\r\n");
+ LOG_ERROR("Could not read ThreadX thread name pointer from target");
return retval;
}
THREADX_THREAD_NAME_STR_SIZE,
(uint8_t *)&tmp_str);
if (retval != ERROR_OK) {
- LOG_OUTPUT("Error reading thread name from ThreadX target\r\n");
+ LOG_ERROR("Error reading thread name from ThreadX target");
return retval;
}
tmp_str[THREADX_THREAD_NAME_STR_SIZE-1] = '\x00';
strcpy(tmp_str, "No Name");
rtos->thread_details[tasks_found].thread_name_str =
- (char *)malloc(strlen(tmp_str)+1);
+ malloc(strlen(tmp_str)+1);
strcpy(rtos->thread_details[tasks_found].thread_name_str, tmp_str);
/* Read the thread status */
4,
(uint8_t *)&thread_status);
if (retval != ERROR_OK) {
- LOG_OUTPUT("Error reading thread state from ThreadX target\r\n");
+ LOG_ERROR("Error reading thread state from ThreadX target");
return retval;
}
/* empty */
}
- char *state_desc;
+ const char *state_desc;
if (i < THREADX_NUM_STATES)
state_desc = ThreadX_thread_states[i].desc;
else
state_desc = "Unknown state";
- rtos->thread_details[tasks_found].extra_info_str = (char *)malloc(strlen(
- state_desc)+1);
- strcpy(rtos->thread_details[tasks_found].extra_info_str, state_desc);
+ rtos->thread_details[tasks_found].extra_info_str = malloc(strlen(
+ state_desc)+8);
+ sprintf(rtos->thread_details[tasks_found].extra_info_str, "State: %s", state_desc);
rtos->thread_details[tasks_found].exists = true;
- rtos->thread_details[tasks_found].display_str = NULL;
-
tasks_found++;
prev_thread_ptr = thread_ptr;
param->pointer_width,
(uint8_t *) &thread_ptr);
if (retval != ERROR_OK) {
- LOG_OUTPUT("Error reading next thread pointer in ThreadX thread list\r\n");
+ LOG_ERROR("Error reading next thread pointer in ThreadX thread list");
return retval;
}
}
if (rtos == NULL)
return -1;
- if (thread_id == 0)
+ if (!is_thread_id_valid(rtos, thread_id))
return -2;
if (rtos->rtos_specific_params == NULL)
param->pointer_width,
(uint8_t *)&stack_ptr);
if (retval != ERROR_OK) {
- LOG_OUTPUT("Error reading stack frame from ThreadX thread\r\n");
+ LOG_ERROR("Error reading stack frame from ThreadX thread");
return retval;
}
- return rtos_generic_stack_read(rtos->target, param->stacking_info, stack_ptr, hex_reg_list);
+ LOG_INFO("thread: 0x%" PRIx64 ", stack_ptr=0x%" PRIx64, (uint64_t)thread_id, (uint64_t)stack_ptr);
+
+ if (stack_ptr == 0) {
+ LOG_ERROR("null stack pointer in thread");
+ return -5;
+ }
+
+ const struct rtos_register_stacking *stacking_info =
+ get_stacking_info(rtos, stack_ptr);
+
+ if (stacking_info == NULL) {
+ LOG_ERROR("Unknown stacking info for thread id=0x%" PRIx64, (uint64_t)thread_id);
+ return -6;
+ }
+
+ return rtos_generic_stack_read(rtos->target, stacking_info, stack_ptr, hex_reg_list);
}
static int ThreadX_get_symbol_list_to_lookup(symbol_table_elem_t *symbol_list[])
{
unsigned int i;
- *symbol_list = (symbol_table_elem_t *) malloc(
- sizeof(symbol_table_elem_t) * ARRAY_SIZE(ThreadX_symbol_list));
+ *symbol_list = calloc(
+ ARRAY_SIZE(ThreadX_symbol_list), sizeof(symbol_table_elem_t));
for (i = 0; i < ARRAY_SIZE(ThreadX_symbol_list); i++)
(*symbol_list)[i].symbol_name = ThreadX_symbol_list[i];
param = (const struct ThreadX_params *) rtos->rtos_specific_params;
if (rtos->symbols == NULL) {
- LOG_OUTPUT("No symbols for ThreadX\r\n");
+ LOG_ERROR("No symbols for ThreadX");
return -3;
}
param->pointer_width,
(uint8_t *)&name_ptr);
if (retval != ERROR_OK) {
- LOG_OUTPUT("Could not read ThreadX thread name pointer from target\r\n");
+ LOG_ERROR("Could not read ThreadX thread name pointer from target");
return retval;
}
THREADX_THREAD_NAME_STR_SIZE,
(uint8_t *)&tmp_str);
if (retval != ERROR_OK) {
- LOG_OUTPUT("Error reading thread name from ThreadX target\r\n");
+ LOG_ERROR("Error reading thread name from ThreadX target");
return retval;
}
tmp_str[THREADX_THREAD_NAME_STR_SIZE-1] = '\x00';
if (tmp_str[0] == '\x00')
strcpy(tmp_str, "No Name");
- detail->thread_name_str = (char *)malloc(strlen(tmp_str)+1);
+ detail->thread_name_str = malloc(strlen(tmp_str)+1);
/* Read the thread status */
int64_t thread_status = 0;
4,
(uint8_t *)&thread_status);
if (retval != ERROR_OK) {
- LOG_OUTPUT("Error reading thread state from ThreadX target\r\n");
+ LOG_ERROR("Error reading thread state from ThreadX target");
return retval;
}
else
state_desc = "Unknown state";
- detail->extra_info_str = (char *)malloc(strlen(state_desc)+1);
+ detail->extra_info_str = malloc(strlen(state_desc)+1);
detail->exists = true;
- detail->display_str = NULL;
-
return 0;
}
i++;
}
if (i >= THREADX_NUM_PARAMS) {
- LOG_OUTPUT("Could not find target in ThreadX compatibility list\r\n");
+ LOG_ERROR("Could not find target in ThreadX compatibility list");
return -1;
}