rtos: allow symbols to be optional for a particular RTOS

[openocd.git] / src / rtos / ThreadX.c

diff --git a/src/rtos/ThreadX.c b/src/rtos/ThreadX.c
index 86a249982548ed90b3a9a609ae4478f781db37e2..fb9f5f7d916affd62774b532805ecb2c4d60bd21 100644 (file)
--- a/src/rtos/ThreadX.c
+++ b/src/rtos/ThreadX.c
@@ -15,7 +15,7 @@
  *   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.             *
+ *   51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.           *
  ***************************************************************************/
 
 #ifdef HAVE_CONFIG_H
@@ -39,10 +39,10 @@ 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" },
@@ -62,7 +62,7 @@ struct ThreadX_thread_state ThreadX_thread_states[] = {
 #define THREADX_NUM_STATES (sizeof(ThreadX_thread_states)/sizeof(struct ThreadX_thread_state))
 
 struct ThreadX_params {
-       char *target_name;
+       const char *target_name;
        unsigned char pointer_width;
        unsigned char thread_stack_offset;
        unsigned char thread_name_offset;
@@ -71,7 +71,7 @@ struct ThreadX_params {
        const struct rtos_register_stacking *stacking_info;
 };
 
-const struct ThreadX_params ThreadX_params_list[] = {
+static const struct ThreadX_params ThreadX_params_list[] = {
        {
        "cortex_m",                             /* target_name */
        4,                                                      /* pointer_width; */
@@ -100,7 +100,7 @@ enum ThreadX_symbol_values {
        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",
@@ -115,7 +115,6 @@ const struct rtos_type ThreadX_rtos = {
        .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 int ThreadX_update_threads(struct rtos *rtos)
@@ -155,25 +154,7 @@ static int ThreadX_update_threads(struct rtos *rtos)
        }
 
        /* 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,
@@ -193,13 +174,13 @@ static int ThreadX_update_threads(struct rtos *rtos)
                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) {
@@ -208,7 +189,7 @@ static int ThreadX_update_threads(struct rtos *rtos)
                }
        } 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);
        }
 
@@ -261,7 +242,7 @@ static int ThreadX_update_threads(struct rtos *rtos)
                        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 */
@@ -280,13 +261,13 @@ static int ThreadX_update_threads(struct rtos *rtos)
                        /* 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(
+               rtos->thread_details[tasks_found].extra_info_str = malloc(strlen(
                                        state_desc)+1);
                strcpy(rtos->thread_details[tasks_found].extra_info_str, state_desc);
 
@@ -349,8 +330,8 @@ static int ThreadX_get_thread_reg_list(struct rtos *rtos, int64_t thread_id, cha
 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];
@@ -430,7 +411,7 @@ static int ThreadX_get_thread_detail(struct rtos *rtos,
        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;
@@ -455,7 +436,7 @@ static int ThreadX_get_thread_detail(struct rtos *rtos,
        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;