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RTOS: Add logging to FreeRTOS and general RTOS
[openocd.git] / src / rtos / FreeRTOS.c
diff --git a/src/rtos/FreeRTOS.c b/src/rtos/FreeRTOS.c
index 321b1e12c5e62ec8a0e0cf633250e33c3b0a3677..667875c370c931329eef3c5b08dfbbdc4c0c60f6 100644 (file)
--- a/src/rtos/FreeRTOS.c
+++ b/src/rtos/FreeRTOS.c
@@ -48,7 +48,7 @@ struct FreeRTOS_params {
        const struct rtos_register_stacking *stacking_info;
 };
 
-const struct FreeRTOS_params FreeRTOS_params_list[] = {
+static const struct FreeRTOS_params FreeRTOS_params_list[] = {
        {
        "cortex_m",                     /* target_name */
        4,                                              /* thread_count_width; */
@@ -119,7 +119,7 @@ enum FreeRTOS_symbol_values {
        FreeRTOS_VAL_uxTopUsedPriority = 10,
 };
 
-static char *FreeRTOS_symbol_list[] = {
+static const char * const FreeRTOS_symbol_list[] = {
        "pxCurrentTCB",
        "pxReadyTasksLists",
        "xDelayedTaskList1",
@@ -166,6 +166,9 @@ static int FreeRTOS_update_threads(struct rtos *rtos)
                        rtos->symbols[FreeRTOS_VAL_uxCurrentNumberOfTasks].address,
                        param->thread_count_width,
                        (uint8_t *)&thread_list_size);
+       LOG_DEBUG("FreeRTOS: Read uxCurrentNumberOfTasks at 0x%" PRIx64 ", value %d\r\n",
+                                                                               rtos->symbols[FreeRTOS_VAL_uxCurrentNumberOfTasks].address,
+                                                                               thread_list_size);
 
        if (retval != ERROR_OK) {
                LOG_ERROR("Could not read FreeRTOS thread count from target");
@@ -173,25 +176,7 @@ static int FreeRTOS_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 */
        retval = target_read_buffer(rtos->target,
@@ -202,6 +187,9 @@ static int FreeRTOS_update_threads(struct rtos *rtos)
                LOG_ERROR("Error reading current thread in FreeRTOS thread list");
                return retval;
        }
+       LOG_DEBUG("FreeRTOS: Read pxCurrentTCB at 0x%" PRIx64 ", value 0x%" PRIx64 "\r\n",
+                                                                               rtos->symbols[FreeRTOS_VAL_pxCurrentTCB].address,
+                                                                               rtos->current_thread);
 
        if ((thread_list_size  == 0) || (rtos->current_thread == 0)) {
                /* Either : No RTOS threads - there is always at least the current execution though */
@@ -210,7 +198,7 @@ static int FreeRTOS_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);
                if (!rtos->thread_details) {
                        LOG_ERROR("Error allocating memory for %d threads", thread_list_size);
@@ -220,7 +208,7 @@ static int FreeRTOS_update_threads(struct rtos *rtos)
                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 == 1) {
@@ -229,7 +217,7 @@ static int FreeRTOS_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);
                if (!rtos->thread_details) {
                        LOG_ERROR("Error allocating memory for %d threads", thread_list_size);
@@ -245,6 +233,9 @@ static int FreeRTOS_update_threads(struct rtos *rtos)
                        (uint8_t *)&max_used_priority);
        if (retval != ERROR_OK)
                return retval;
+       LOG_DEBUG("FreeRTOS: Read uxTopUsedPriority at 0x%" PRIx64 ", value %" PRId64 "\r\n",
+                                                                               rtos->symbols[FreeRTOS_VAL_uxTopUsedPriority].address,
+                                                                               max_used_priority);
        if (max_used_priority > FREERTOS_MAX_PRIORITIES) {
                LOG_ERROR("FreeRTOS maximum used priority is unreasonably big, not proceeding: %" PRId64 "",
                        max_used_priority);
@@ -252,7 +243,7 @@ static int FreeRTOS_update_threads(struct rtos *rtos)
        }
 
        symbol_address_t *list_of_lists =
-               (symbol_address_t *)malloc(sizeof(symbol_address_t) *
+               malloc(sizeof(symbol_address_t) *
                        (max_used_priority+1 + 5));
        if (!list_of_lists) {
                LOG_ERROR("Error allocating memory for %" PRId64 " priorities", max_used_priority);
@@ -285,6 +276,8 @@ static int FreeRTOS_update_threads(struct rtos *rtos)
                        free(list_of_lists);
                        return retval;
                }
+               LOG_DEBUG("FreeRTOS: Read thread count for list %d at 0x%" PRIx64 ", value %" PRId64 "\r\n",
+                                                                               i, list_of_lists[i], list_thread_count);
 
                if (list_thread_count == 0)
                        continue;
@@ -301,6 +294,8 @@ static int FreeRTOS_update_threads(struct rtos *rtos)
                        free(list_of_lists);
                        return retval;
                }
+               LOG_DEBUG("FreeRTOS: Read first item for list %d at 0x%" PRIx64 ", value 0x%" PRIx64 "\r\n",
+                                                                               i, list_of_lists[i] + param->list_next_offset, list_elem_ptr);
 
                while ((list_thread_count > 0) && (list_elem_ptr != 0) &&
                                (list_elem_ptr != prev_list_elem_ptr) &&
@@ -316,6 +311,9 @@ static int FreeRTOS_update_threads(struct rtos *rtos)
                                free(list_of_lists);
                                return retval;
                        }
+                       LOG_DEBUG("FreeRTOS: Read Thread ID at 0x%" PRIx64 ", value 0x%" PRIx64 "\r\n",
+                                                                               list_elem_ptr + param->list_elem_content_offset,
+                                                                               rtos->thread_details[tasks_found].threadid);
 
                        /* get thread name */
 
@@ -333,19 +331,22 @@ static int FreeRTOS_update_threads(struct rtos *rtos)
                                return retval;
                        }
                        tmp_str[FREERTOS_THREAD_NAME_STR_SIZE-1] = '\x00';
+                       LOG_DEBUG("FreeRTOS: Read Thread Name at 0x%" PRIx64 ", value \"%s\"\r\n",
+                                                                               rtos->thread_details[tasks_found].threadid + param->thread_name_offset,
+                                                                               tmp_str);
 
                        if (tmp_str[0] == '\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);
                        rtos->thread_details[tasks_found].display_str = NULL;
                        rtos->thread_details[tasks_found].exists = true;
 
                        if (rtos->thread_details[tasks_found].threadid == rtos->current_thread) {
                                char running_str[] = "Running";
-                               rtos->thread_details[tasks_found].extra_info_str = (char *) malloc(
+                               rtos->thread_details[tasks_found].extra_info_str = malloc(
                                                sizeof(running_str));
                                strcpy(rtos->thread_details[tasks_found].extra_info_str,
                                        running_str);
@@ -366,6 +367,9 @@ static int FreeRTOS_update_threads(struct rtos *rtos)
                                free(list_of_lists);
                                return retval;
                        }
+                       LOG_DEBUG("FreeRTOS: Read next thread location at 0x%" PRIx64 ", value 0x%" PRIx64 "\r\n",
+                                                                               prev_list_elem_ptr + param->list_elem_next_offset,
+                                                                               list_elem_ptr);
                }
        }
 
@@ -401,6 +405,9 @@ static int FreeRTOS_get_thread_reg_list(struct rtos *rtos, int64_t thread_id, ch
                LOG_ERROR("Error reading stack frame from FreeRTOS thread");
                return retval;
        }
+       LOG_DEBUG("FreeRTOS: Read stack pointer at 0x%" PRIx64 ", value 0x%" PRIx64 "\r\n",
+                                                                               thread_id + param->thread_stack_offset,
+                                                                               stack_ptr);
 
        return rtos_generic_stack_read(rtos->target, param->stacking_info, stack_ptr, hex_reg_list);
 }
@@ -408,8 +415,8 @@ static int FreeRTOS_get_thread_reg_list(struct rtos *rtos, int64_t thread_id, ch
 static int FreeRTOS_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(FreeRTOS_symbol_list));
+       *symbol_list = calloc(
+                       ARRAY_SIZE(FreeRTOS_symbol_list), sizeof(symbol_table_elem_t));
 
        for (i = 0; i < ARRAY_SIZE(FreeRTOS_symbol_list); i++)
                (*symbol_list)[i].symbol_name = FreeRTOS_symbol_list[i];
@@ -457,7 +464,7 @@ static int FreeRTOS_get_thread_ascii_info(struct rtos *rtos, threadid_t thread_i
        if (tmp_str[0] == '\x00')
                strcpy(tmp_str, "No Name");
 
-       *info = (char *)malloc(strlen(tmp_str)+1);
+       *info = malloc(strlen(tmp_str)+1);
        strcpy(*info, tmp_str);
        return 0;
 }
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