rtos: constify symbol names and lists

[fw/openocd] / src / rtos / eCos.c

diff --git a/src/rtos/eCos.c b/src/rtos/eCos.c
index 7964712f8b2620e76d555d123869461d20a94f15..62fb3b7bc29aa4a5f4e474c2006d330836dd8dfc 100644 (file)
--- a/src/rtos/eCos.c
+++ b/src/rtos/eCos.c
@@ -13,7 +13,7 @@
  *   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
@@ -37,10 +37,10 @@ static int eCos_get_symbol_list_to_lookup(symbol_table_elem_t *symbol_list[]);
 
 struct eCos_thread_state {
        int value;
-       char *desc;
+       const char *desc;
 };
 
-struct eCos_thread_state eCos_thread_states[] = {
+static const struct eCos_thread_state eCos_thread_states[] = {
        { 0, "Ready" },
        { 1, "Sleeping" },
        { 2, "Countsleep" },
@@ -52,7 +52,7 @@ struct eCos_thread_state eCos_thread_states[] = {
 #define ECOS_NUM_STATES (sizeof(eCos_thread_states)/sizeof(struct eCos_thread_state))
 
 struct eCos_params {
-       char *target_name;
+       const char *target_name;
        unsigned char pointer_width;
        unsigned char thread_stack_offset;
        unsigned char thread_name_offset;
@@ -62,9 +62,9 @@ struct eCos_params {
        const struct rtos_register_stacking *stacking_info;
 };
 
-const struct eCos_params eCos_params_list[] = {
+static const struct eCos_params eCos_params_list[] = {
        {
-       "cortex_m3",                    /* target_name */
+       "cortex_m",                     /* target_name */
        4,                                              /* pointer_width; */
        0x0c,                                   /* thread_stack_offset; */
        0x9c,                                   /* thread_name_offset; */
@@ -82,7 +82,7 @@ enum eCos_symbol_values {
        eCos_VAL_current_thread_ptr = 1
 };
 
-static char *eCos_symbol_list[] = {
+static const char * const eCos_symbol_list[] = {
        "Cyg_Thread::thread_list",
        "Cyg_Scheduler_Base::current_thread",
        NULL
@@ -115,35 +115,17 @@ static int eCos_update_threads(struct rtos *rtos)
        param = (const struct eCos_params *) rtos->rtos_specific_params;
 
        if (rtos->symbols == NULL) {
-               LOG_OUTPUT("No symbols for eCos\r\n");
+               LOG_ERROR("No symbols for eCos");
                return -4;
        }
 
        if (rtos->symbols[eCos_VAL_thread_list].address == 0) {
-               LOG_OUTPUT("Don't have the thread list head\r\n");
+               LOG_ERROR("Don't have the thread list head");
                return -2;
        }
 
        /* 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);
 
        /* determine the number of current threads */
        uint32_t thread_list_head = rtos->symbols[eCos_VAL_thread_list].address;
@@ -177,7 +159,7 @@ static int eCos_update_threads(struct rtos *rtos)
                        2,
                        (uint8_t *)&rtos->current_thread);
        if (retval != ERROR_OK) {
-               LOG_OUTPUT("Could not read eCos current thread from target\r\n");
+               LOG_ERROR("Could not read eCos current thread from target");
                return retval;
        }
 
@@ -188,13 +170,13 @@ static int eCos_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) {
@@ -203,7 +185,7 @@ static int eCos_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);
        }
 
@@ -224,7 +206,7 @@ static int eCos_update_threads(struct rtos *rtos)
                                2,
                                (uint8_t *)&thread_id);
                if (retval != ERROR_OK) {
-                       LOG_OUTPUT("Could not read eCos thread id from target\r\n");
+                       LOG_ERROR("Could not read eCos thread id from target");
                        return retval;
                }
                rtos->thread_details[tasks_found].threadid = thread_id;
@@ -235,7 +217,7 @@ static int eCos_update_threads(struct rtos *rtos)
                                param->pointer_width,
                                (uint8_t *)&name_ptr);
                if (retval != ERROR_OK) {
-                       LOG_OUTPUT("Could not read eCos thread name pointer from target\r\n");
+                       LOG_ERROR("Could not read eCos thread name pointer from target");
                        return retval;
                }
 
@@ -246,7 +228,7 @@ static int eCos_update_threads(struct rtos *rtos)
                                ECOS_THREAD_NAME_STR_SIZE,
                                (uint8_t *)&tmp_str);
                if (retval != ERROR_OK) {
-                       LOG_OUTPUT("Error reading thread name from eCos target\r\n");
+                       LOG_ERROR("Error reading thread name from eCos target");
                        return retval;
                }
                tmp_str[ECOS_THREAD_NAME_STR_SIZE-1] = '\x00';
@@ -255,7 +237,7 @@ static int eCos_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 */
@@ -265,7 +247,7 @@ static int eCos_update_threads(struct rtos *rtos)
                                4,
                                (uint8_t *)&thread_status);
                if (retval != ERROR_OK) {
-                       LOG_OUTPUT("Error reading thread state from eCos target\r\n");
+                       LOG_ERROR("Error reading thread state from eCos target");
                        return retval;
                }
 
@@ -275,13 +257,13 @@ static int eCos_update_threads(struct rtos *rtos)
                         */
                }
 
-               char *state_desc;
+               const char *state_desc;
                if  (i < ECOS_NUM_STATES)
                        state_desc = eCos_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);
 
@@ -299,7 +281,7 @@ static int eCos_update_threads(struct rtos *rtos)
                                param->pointer_width,
                                (uint8_t *) &thread_index);
                if (retval != ERROR_OK) {
-                       LOG_OUTPUT("Error reading next thread pointer in eCos thread list\r\n");
+                       LOG_ERROR("Error reading next thread pointer in eCos thread list");
                        return retval;
                }
        } while (thread_index != first_thread);
@@ -339,7 +321,7 @@ static int eCos_get_thread_reg_list(struct rtos *rtos, int64_t thread_id, char *
                                2,
                                (uint8_t *)&id);
                if (retval != ERROR_OK) {
-                       LOG_OUTPUT("Error reading unique id from eCos thread\r\n");
+                       LOG_ERROR("Error reading unique id from eCos thread");
                        return retval;
                }
 
@@ -361,7 +343,7 @@ static int eCos_get_thread_reg_list(struct rtos *rtos, int64_t thread_id, char *
                                param->pointer_width,
                                (uint8_t *)&stack_ptr);
                if (retval != ERROR_OK) {
-                       LOG_OUTPUT("Error reading stack frame from eCos thread\r\n");
+                       LOG_ERROR("Error reading stack frame from eCos thread");
                        return retval;
                }
 
@@ -377,7 +359,7 @@ static int eCos_get_thread_reg_list(struct rtos *rtos, int64_t thread_id, char *
 static int eCos_get_symbol_list_to_lookup(symbol_table_elem_t *symbol_list[])
 {
        unsigned int i;
-       *symbol_list = (symbol_table_elem_t *) malloc(
+       *symbol_list = malloc(
                        sizeof(symbol_table_elem_t) * ARRAY_SIZE(eCos_symbol_list));
 
        for (i = 0; i < ARRAY_SIZE(eCos_symbol_list); i++)
@@ -404,7 +386,7 @@ static int eCos_create(struct target *target)
                i++;
        }
        if (i >= ECOS_NUM_PARAMS) {
-               LOG_OUTPUT("Could not find target in eCos compatibility list\r\n");
+               LOG_ERROR("Could not find target in eCos compatibility list");
                return -1;
        }