server: revert commit 7e6556b3cad8
[fw/openocd] / src / server / gdb_server.c
index f94b7281729a1c867939da3ba289fd824166c7c6..fc58971a7abb1c92a65a11a9a0e10d7d409889a9 100644 (file)
@@ -969,15 +969,6 @@ static int gdb_new_connection(struct connection *connection)
        breakpoint_clear_target(target);
        watchpoint_clear_target(target);
 
-       if (target->rtos) {
-               /* clean previous rtos session if supported*/
-               if (target->rtos->type->clean)
-                       target->rtos->type->clean(target);
-
-               /* update threads */
-               rtos_update_threads(target);
-       }
-
        /* remove the initial ACK from the incoming buffer */
        retval = gdb_get_char(connection, &initial_ack);
        if (retval != ERROR_OK)
@@ -990,6 +981,15 @@ static int gdb_new_connection(struct connection *connection)
                gdb_putback_char(connection, initial_ack);
        target_call_event_callbacks(target, TARGET_EVENT_GDB_ATTACH);
 
+       if (target->rtos) {
+               /* clean previous rtos session if supported*/
+               if (target->rtos->type->clean)
+                       target->rtos->type->clean(target);
+
+               /* update threads */
+               rtos_update_threads(target);
+       }
+
        if (gdb_use_memory_map) {
                /* Connect must fail if the memory map can't be set up correctly.
                 *
@@ -1067,11 +1067,8 @@ static int gdb_connection_closed(struct connection *connection)
        /* if this connection registered a debug-message receiver delete it */
        delete_debug_msg_receiver(connection->cmd_ctx, target);
 
-       if (connection->priv) {
-               free(connection->priv);
-               connection->priv = NULL;
-       } else
-               LOG_ERROR("BUG: connection->priv == NULL");
+       free(connection->priv);
+       connection->priv = NULL;
 
        target_unregister_event_callback(gdb_target_callback_event_handler, connection);
 
@@ -1192,7 +1189,7 @@ static int gdb_get_registers_packet(struct connection *connection,
                return gdb_error(connection, retval);
 
        for (i = 0; i < reg_list_size; i++) {
-               if (reg_list[i] == NULL || reg_list[i]->exist == false)
+               if (reg_list[i] == NULL || reg_list[i]->exist == false || reg_list[i]->hidden)
                        continue;
                reg_packet_size += DIV_ROUND_UP(reg_list[i]->size, 8) * 2;
        }
@@ -1206,7 +1203,7 @@ static int gdb_get_registers_packet(struct connection *connection,
        reg_packet_p = reg_packet;
 
        for (i = 0; i < reg_list_size; i++) {
-               if (reg_list[i] == NULL || reg_list[i]->exist == false)
+               if (reg_list[i] == NULL || reg_list[i]->exist == false || reg_list[i]->hidden)
                        continue;
                if (!reg_list[i]->valid) {
                        retval = reg_list[i]->type->get(reg_list[i]);
@@ -1335,7 +1332,7 @@ static int gdb_get_register_packet(struct connection *connection,
                }
        }
 
-       reg_packet = malloc(DIV_ROUND_UP(reg_list[reg_num]->size, 8) * 2 + 1); /* plus one for string termination null */
+       reg_packet = calloc(DIV_ROUND_UP(reg_list[reg_num]->size, 8) * 2 + 1, 1); /* plus one for string termination null */
 
        gdb_str_to_target(target, reg_packet, reg_list[reg_num]);
 
@@ -1391,8 +1388,8 @@ static int gdb_set_register_packet(struct connection *connection,
        }
 
        if (chars != (DIV_ROUND_UP(reg_list[reg_num]->size, 8) * 2)) {
-               LOG_ERROR("gdb sent %d bits for a %d-bit register (%s)",
-                               (int) chars * 4, reg_list[reg_num]->size, reg_list[reg_num]->name);
+               LOG_ERROR("gdb sent %zu bits for a %" PRIu32 "-bit register (%s)",
+                               chars * 4, reg_list[reg_num]->size, reg_list[reg_num]->name);
                free(bin_buf);
                free(reg_list);
                return ERROR_SERVER_REMOTE_CLOSED;
@@ -1758,8 +1755,7 @@ static __attribute__ ((format (PRINTF_ATTRIBUTE_FORMAT, 5, 6))) void xml_printf(
                        char *t = *xml;
                        *xml = realloc(*xml, *size);
                        if (*xml == NULL) {
-                               if (t)
-                                       free(t);
+                               free(t);
                                *retval = ERROR_SERVER_REMOTE_CLOSED;
                                return;
                        }
@@ -2054,7 +2050,7 @@ static int gdb_generate_reg_type_description(struct target *target,
                }
                /* <vector id="id" type="type" count="count"/> */
                xml_printf(&retval, tdesc, pos, size,
-                               "<vector id=\"%s\" type=\"%s\" count=\"%d\"/>\n",
+                               "<vector id=\"%s\" type=\"%s\" count=\"%" PRIu32 "\"/>\n",
                                type->id, type->reg_type_vector->type->id,
                                type->reg_type_vector->count);
 
@@ -2101,11 +2097,11 @@ static int gdb_generate_reg_type_description(struct target *target,
                         *  <field name="name" start="start" end="end"/> ...
                         * </struct> */
                        xml_printf(&retval, tdesc, pos, size,
-                                       "<struct id=\"%s\" size=\"%d\">\n",
+                                       "<struct id=\"%s\" size=\"%" PRIu32 "\">\n",
                                        type->id, type->reg_type_struct->size);
                        while (field != NULL) {
                                xml_printf(&retval, tdesc, pos, size,
-                                               "<field name=\"%s\" start=\"%d\" end=\"%d\" type=\"%s\" />\n",
+                                               "<field name=\"%s\" start=\"%" PRIu32 "\" end=\"%" PRIu32 "\" type=\"%s\" />\n",
                                                field->name, field->bitfield->start, field->bitfield->end,
                                                gdb_get_reg_type_name(field->bitfield->type));
 
@@ -2146,14 +2142,14 @@ static int gdb_generate_reg_type_description(struct target *target,
                 *  <field name="name" start="start" end="end"/> ...
                 * </flags> */
                xml_printf(&retval, tdesc, pos, size,
-                               "<flags id=\"%s\" size=\"%d\">\n",
+                               "<flags id=\"%s\" size=\"%" PRIu32 "\">\n",
                                type->id, type->reg_type_flags->size);
 
                struct reg_data_type_flags_field *field;
                field = type->reg_type_flags->fields;
                while (field != NULL) {
                        xml_printf(&retval, tdesc, pos, size,
-                                       "<field name=\"%s\" start=\"%d\" end=\"%d\" type=\"%s\" />\n",
+                                       "<field name=\"%s\" start=\"%" PRIu32 "\" end=\"%" PRIu32 "\" type=\"%s\" />\n",
                                        field->name, field->bitfield->start, field->bitfield->end,
                                        gdb_get_reg_type_name(field->bitfield->type));
 
@@ -2180,7 +2176,7 @@ static int get_reg_features_list(struct target *target, char const **feature_lis
        *feature_list = calloc(1, sizeof(char *));
 
        for (int i = 0; i < reg_list_size; i++) {
-               if (reg_list[i]->exist == false)
+               if (reg_list[i]->exist == false || reg_list[i]->hidden)
                        continue;
 
                if (reg_list[i]->feature != NULL
@@ -2274,7 +2270,7 @@ static int gdb_generate_target_description(struct target *target, char **tdesc_o
                        int i;
                        for (i = 0; i < reg_list_size; i++) {
 
-                               if (reg_list[i]->exist == false)
+                               if (reg_list[i]->exist == false || reg_list[i]->hidden)
                                        continue;
 
                                if (strcmp(reg_list[i]->feature->name, features[current_feature]))
@@ -2306,9 +2302,9 @@ static int gdb_generate_target_description(struct target *target, char **tdesc_o
                                xml_printf(&retval, &tdesc, &pos, &size,
                                                "<reg name=\"%s\"", reg_list[i]->name);
                                xml_printf(&retval, &tdesc, &pos, &size,
-                                               " bitsize=\"%d\"", reg_list[i]->size);
+                                               " bitsize=\"%" PRIu32 "\"", reg_list[i]->size);
                                xml_printf(&retval, &tdesc, &pos, &size,
-                                               " regnum=\"%d\"", reg_list[i]->number);
+                                               " regnum=\"%" PRIu32 "\"", reg_list[i]->number);
                                if (reg_list[i]->caller_save)
                                        xml_printf(&retval, &tdesc, &pos, &size,
                                                        " save-restore=\"yes\"");
@@ -2520,7 +2516,7 @@ static int gdb_get_thread_list_chunk(struct target *target, char **thread_list,
                transfer_type = 'l';
 
        *chunk = malloc(length + 2 + 3);
-    /* Allocating extra 3 bytes prevents false positive valgrind report
+       /* Allocating extra 3 bytes prevents false positive valgrind report
         * of strlen(chunk) word access:
         * Invalid read of size 4
         * Address 0x4479934 is 44 bytes inside a block of size 45 alloc'd */
@@ -3512,7 +3508,7 @@ static int gdb_target_start(struct target *target, const char *port)
        target->gdb_service = gdb_service;
 
        ret = add_service("gdb",
-                       port, 1, &gdb_new_connection, &gdb_input,
+                       port, target->gdb_max_connections, &gdb_new_connection, &gdb_input,
                        &gdb_connection_closed, gdb_service);
        /* initialize all targets gdb service with the same pointer */
        {