rtos : receive reset info
[fw/openocd] / src / server / gdb_server.c
index b6921ff25f304d5ff52891649d7096fec90b4036..2e7c08978117e55ac8a45c72165506a236e539aa 100644 (file)
@@ -44,7 +44,6 @@
 #include "rtos/rtos.h"
 #include "target/smp.h"
 
-
 /**
  * @file
  * GDB server implementation.
@@ -77,7 +76,6 @@ struct gdb_connection
        bool mem_write_error;
 };
 
-
 #if 0
 #define _DEBUG_GDB_IO_
 #endif
@@ -245,9 +243,7 @@ static int gdb_get_char_inner(struct connection *connection, int* next_char)
        }
 
 #ifdef _DEBUG_GDB_IO_
-       debug_buffer = malloc(gdb_con->buf_cnt + 1);
-       memcpy(debug_buffer, gdb_con->buffer, gdb_con->buf_cnt);
-       debug_buffer[gdb_con->buf_cnt] = 0;
+       debug_buffer = strndup(gdb_con->buffer, gdb_con->buf_cnt);
        LOG_DEBUG("received '%s'", debug_buffer);
        free(debug_buffer);
 #endif
@@ -389,9 +385,7 @@ static int gdb_put_packet_inner(struct connection *connection,
        while (1)
        {
 #ifdef _DEBUG_GDB_IO_
-               debug_buffer = malloc(len + 1);
-               memcpy(debug_buffer, buffer, len);
-               debug_buffer[len] = 0;
+               debug_buffer = strndup(buffer, len);
                LOG_DEBUG("sending packet '$%s#%2.2x'", debug_buffer, my_checksum);
                free(debug_buffer);
 #endif
@@ -842,6 +836,11 @@ static int gdb_new_connection(struct connection *connection)
        breakpoint_clear_target(gdb_service->target);
        watchpoint_clear_target(gdb_service->target);
 
+       /* clean previous rtos session if supported*/
+       if ((gdb_service->target->rtos) &&
+                       (gdb_service->target->rtos->type->clean))
+               gdb_service->target->rtos->type->clean(gdb_service->target);
+
        /* remove the initial ACK from the incoming buffer */
        if ((retval = gdb_get_char(connection, &initial_ack)) != ERROR_OK)
                return retval;
@@ -875,9 +874,9 @@ static int gdb_new_connection(struct connection *connection)
 
        gdb_actual_connections++;
        LOG_DEBUG("New GDB Connection: %d, Target %s, state: %s",
-                 gdb_actual_connections,
-                 target_name(gdb_service->target),
-                 target_state_name(gdb_service->target));
+                       gdb_actual_connections,
+                       target_name(gdb_service->target),
+                       target_state_name(gdb_service->target));
 
        /* DANGER! If we fail subsequently, we must remove this handler,
         * otherwise we occasionally see crashes as the timer can invoke the
@@ -944,8 +943,9 @@ static void gdb_send_error(struct connection *connection, uint8_t the_error)
 }
 
 static int gdb_last_signal_packet(struct connection *connection,
-               struct target *target, char* packet, int packet_size)
+               char* packet, int packet_size)
 {
+       struct target *target = get_target_from_connection(connection);
        char sig_reply[4];
        int signal_var;
 
@@ -1029,8 +1029,9 @@ static void gdb_target_to_reg(struct target *target,
 }
 
 static int gdb_get_registers_packet(struct connection *connection,
-               struct target *target, char* packet, int packet_size)
+               char* packet, int packet_size)
 {
+       struct target *target = get_target_from_connection(connection);
        struct reg **reg_list;
        int reg_list_size;
        int retval;
@@ -1043,8 +1044,8 @@ static int gdb_get_registers_packet(struct connection *connection,
        LOG_DEBUG("-");
 #endif
 
-       if ( ( target->rtos != NULL ) &&
-                ( ERROR_FAIL != rtos_get_gdb_reg_list( connection, target, &reg_list, &reg_list_size) ) )
+       if ((target->rtos != NULL) &&
+                (ERROR_OK == rtos_get_gdb_reg_list(connection)))
        {
                return ERROR_OK;
        }
@@ -1056,10 +1057,12 @@ static int gdb_get_registers_packet(struct connection *connection,
 
        for (i = 0; i < reg_list_size; i++)
        {
-               reg_packet_size += reg_list[i]->size;
+               reg_packet_size += DIV_ROUND_UP(reg_list[i]->size, 8) * 2;
        }
 
-       reg_packet = malloc(DIV_ROUND_UP(reg_packet_size, 8) * 2);
+       assert(reg_packet_size > 0);
+
+       reg_packet = malloc(reg_packet_size);
        reg_packet_p = reg_packet;
 
        for (i = 0; i < reg_list_size; i++)
@@ -1072,14 +1075,14 @@ static int gdb_get_registers_packet(struct connection *connection,
 
 #ifdef _DEBUG_GDB_IO_
        {
-               char *reg_packet_p;
-               reg_packet_p = strndup(reg_packet, DIV_ROUND_UP(reg_packet_size, 8) * 2);
-               LOG_DEBUG("reg_packet: %s", reg_packet_p);
-               free(reg_packet_p);
+               char *reg_packet_p_debug;
+               reg_packet_p_debug = strndup(reg_packet, reg_packet_size);
+               LOG_DEBUG("reg_packet: %s", reg_packet_p_debug);
+               free(reg_packet_p_debug);
        }
 #endif
 
-       gdb_put_packet(connection, reg_packet, DIV_ROUND_UP(reg_packet_size, 8) * 2);
+       gdb_put_packet(connection, reg_packet, reg_packet_size);
        free(reg_packet);
 
        free(reg_list);
@@ -1088,8 +1091,9 @@ static int gdb_get_registers_packet(struct connection *connection,
 }
 
 static int gdb_set_registers_packet(struct connection *connection,
-               struct target *target, char *packet, int packet_size)
+               char *packet, int packet_size)
 {
+       struct target *target = get_target_from_connection(connection);
        int i;
        struct reg **reg_list;
        int reg_list_size;
@@ -1147,8 +1151,9 @@ static int gdb_set_registers_packet(struct connection *connection,
 }
 
 static int gdb_get_register_packet(struct connection *connection,
-               struct target *target, char *packet, int packet_size)
+               char *packet, int packet_size)
 {
+       struct target *target = get_target_from_connection(connection);
        char *reg_packet;
        int reg_num = strtoul(packet + 1, NULL, 16);
        struct reg **reg_list;
@@ -1186,8 +1191,9 @@ static int gdb_get_register_packet(struct connection *connection,
 }
 
 static int gdb_set_register_packet(struct connection *connection,
-               struct target *target, char *packet, int packet_size)
+               char *packet, int packet_size)
 {
+       struct target *target = get_target_from_connection(connection);
        char *separator;
        uint8_t *bin_buf;
        int reg_num = strtoul(packet + 1, &separator, 16);
@@ -1249,8 +1255,9 @@ static int gdb_error(struct connection *connection, int retval)
  * 8191 bytes by the looks of it. Why 8191 bytes instead of 8192?????
  */
 static int gdb_read_memory_packet(struct connection *connection,
-               struct target *target, char *packet, int packet_size)
+               char *packet, int packet_size)
 {
+       struct target *target = get_target_from_connection(connection);
        char *separator;
        uint32_t addr = 0;
        uint32_t len = 0;
@@ -1324,8 +1331,9 @@ static int gdb_read_memory_packet(struct connection *connection,
 }
 
 static int gdb_write_memory_packet(struct connection *connection,
-               struct target *target, char *packet, int packet_size)
+               char *packet, int packet_size)
 {
+       struct target *target = get_target_from_connection(connection);
        char *separator;
        uint32_t addr = 0;
        uint32_t len = 0;
@@ -1382,8 +1390,9 @@ static int gdb_write_memory_packet(struct connection *connection,
 }
 
 static int gdb_write_memory_binary_packet(struct connection *connection,
-               struct target *target, char *packet, int packet_size)
+               char *packet, int packet_size)
 {
+       struct target *target = get_target_from_connection(connection);
        char *separator;
        uint32_t addr = 0;
        uint32_t len = 0;
@@ -1446,8 +1455,9 @@ static int gdb_write_memory_binary_packet(struct connection *connection,
 }
 
 static int gdb_step_continue_packet(struct connection *connection,
-               struct target *target, char *packet, int packet_size)
+               char *packet, int packet_size)
 {
+       struct target *target = get_target_from_connection(connection);
        int current = 0;
        uint32_t address = 0x0;
        int retval = ERROR_OK;
@@ -1480,8 +1490,9 @@ static int gdb_step_continue_packet(struct connection *connection,
 }
 
 static int gdb_breakpoint_watchpoint_packet(struct connection *connection,
-               struct target *target, char *packet, int packet_size)
+               char *packet, int packet_size)
 {
+       struct target *target = get_target_from_connection(connection);
        int type;
        enum breakpoint_type bp_type = BKPT_SOFT /* dummy init to avoid warning */;
        enum watchpoint_rw wp_type = WPT_READ /* dummy init to avoid warning */;
@@ -1674,7 +1685,7 @@ static int compare_bank (const void * a, const void * b)
 }
 
 static int gdb_memory_map(struct connection *connection,
-               struct target *target, char *packet, int packet_size)
+               char *packet, int packet_size)
 {
        /* We get away with only specifying flash here. Regions that are not
         * specified are treated as if we provided no memory map(if not we
@@ -1683,6 +1694,7 @@ static int gdb_memory_map(struct connection *connection,
         * have to regenerate it a couple of times.
         */
 
+       struct target *target = get_target_from_connection(connection);
        struct flash_bank *p;
        char *xml = NULL;
        int size = 0;
@@ -1728,7 +1740,7 @@ static int gdb_memory_map(struct connection *connection,
        qsort(banks, target_flash_banks, sizeof(struct flash_bank *),
                        compare_bank);
 
-       for (i = 0; i < flash_get_bank_count(); i++) {
+       for (i = 0; i < target_flash_banks; i++) {
                int j;
                unsigned sector_size = 0;
                uint32_t start;
@@ -1818,10 +1830,11 @@ static int gdb_memory_map(struct connection *connection,
 }
 
 static int gdb_query_packet(struct connection *connection,
-       struct target *target, char *packet, int packet_size)
+               char *packet, int packet_size)
 {
        struct command_context *cmd_ctx = connection->cmd_ctx;
        struct gdb_connection *gdb_connection = connection->priv;
+       struct target *target = get_target_from_connection(connection);
 
        if (strstr(packet, "qRcmd,"))
        {
@@ -1919,7 +1932,7 @@ static int gdb_query_packet(struct connection *connection,
        }
        else if (strstr(packet, "qXfer:memory-map:read::")
                        && (flash_get_bank_count() > 0))
-               return gdb_memory_map(connection, target, packet, packet_size);
+               return gdb_memory_map(connection, packet, packet_size);
        else if (strstr(packet, "qXfer:features:read:"))
        {
                char *xml = NULL;
@@ -1972,7 +1985,7 @@ static int gdb_query_packet(struct connection *connection,
 }
 
 static int gdb_v_packet(struct connection *connection,
-               struct target *target, char *packet, int packet_size)
+               char *packet, int packet_size)
 {
        struct gdb_connection *gdb_connection = connection->priv;
        struct gdb_service *gdb_service = connection->service->priv;
@@ -2119,7 +2132,7 @@ static int gdb_v_packet(struct connection *connection,
        return ERROR_OK;
 }
 
-static int gdb_detach(struct connection *connection, struct target *target)
+static int gdb_detach(struct connection *connection)
 {
        struct gdb_service *gdb_service = connection->service->priv;
 
@@ -2207,65 +2220,48 @@ static int gdb_input_inner(struct connection *connection)
                        switch (packet[0])
                        {
                            case 'T': // Is thread alive?
-                               gdb_thread_packet(connection, target, packet, packet_size);
+                               gdb_thread_packet(connection, packet, packet_size);
                                break;
                            case 'H': // Set current thread ( 'c' for step and continue, 'g' for all other operations )
-                               gdb_thread_packet(connection, target, packet, packet_size);
+                               gdb_thread_packet(connection, packet, packet_size);
                                break;
                                case 'q':
                                case 'Q':
-                                       retval = gdb_thread_packet(connection,
-                                                                                               target, packet,
-                                                                                               packet_size);
+                                       retval = gdb_thread_packet(connection, packet, packet_size);
                                        if ( retval == GDB_THREAD_PACKET_NOT_CONSUMED )
                                        {
-                                               retval = gdb_query_packet(connection,
-                                                               target, packet,
-                                                               packet_size);
+                                               retval = gdb_query_packet(connection, packet, packet_size);
                                        }
                                        break;
                                case 'g':
-                                       retval = gdb_get_registers_packet(
-                                                       connection, target,
-                                                       packet, packet_size);
+                                       retval = gdb_get_registers_packet(connection, packet, packet_size);
                                        break;
                                case 'G':
-                                       retval = gdb_set_registers_packet(
-                                                       connection, target,
-                                                       packet, packet_size);
+                                       retval = gdb_set_registers_packet(connection, packet, packet_size);
                                        break;
                                case 'p':
-                                       retval = gdb_get_register_packet(
-                                                       connection, target,
-                                                       packet, packet_size);
+                                       retval = gdb_get_register_packet(connection, packet, packet_size);
                                        break;
                                case 'P':
-                                       retval = gdb_set_register_packet(
-                                                       connection, target,
-                                                       packet, packet_size);
+                                       retval = gdb_set_register_packet(connection, packet, packet_size);
                                        break;
                                case 'm':
-                                       retval = gdb_read_memory_packet(
-                                                       connection, target,
-                                                       packet, packet_size);
+                                       retval = gdb_read_memory_packet(connection, packet, packet_size);
                                        break;
                                case 'M':
-                                       retval = gdb_write_memory_packet(
-                                                       connection, target,
-                                                       packet, packet_size);
+                                       retval = gdb_write_memory_packet(connection, packet, packet_size);
                                        break;
                                case 'z':
                                case 'Z':
-                                       retval = gdb_breakpoint_watchpoint_packet(connection, target, packet, packet_size);
+                                       retval = gdb_breakpoint_watchpoint_packet(connection, packet, packet_size);
                                        break;
                                case '?':
-                                       gdb_last_signal_packet(
-                                                       connection, target,
-                                                       packet, packet_size);
+                                       gdb_last_signal_packet(connection, packet, packet_size);
                                        break;
                                case 'c':
                                case 's':
                                        {
+                                               gdb_thread_packet(connection, packet, packet_size);
                                                log_add_callback(gdb_log_callback, connection);
 
                                                if (gdb_con->mem_write_error)
@@ -2324,7 +2320,7 @@ static int gdb_input_inner(struct connection *connection)
                                                        {
                                                                /* Here we don't want packet processing to stop even if this fails,
                                                                 * so we use a local variable instead of retval. */
-                                                               retval = gdb_step_continue_packet(connection, target, packet, packet_size);
+                                                               retval = gdb_step_continue_packet(connection, packet, packet_size);
                                                                if (retval != ERROR_OK)
                                                                {
                                                                        /* we'll never receive a halted condition... issue a false one.. */
@@ -2335,18 +2331,14 @@ static int gdb_input_inner(struct connection *connection)
                                        }
                                        break;
                                case 'v':
-                                       retval = gdb_v_packet(
-                                                       connection, target,
-                                                       packet, packet_size);
+                                       retval = gdb_v_packet(connection, packet, packet_size);
                                        break;
                                case 'D':
-                                       retval = gdb_detach(connection, target);
+                                       retval = gdb_detach(connection);
                                        extended_protocol = 0;
                                        break;
                                case 'X':
-                                       retval = gdb_write_memory_binary_packet(
-                                                       connection, target,
-                                                       packet, packet_size);
+                                       retval = gdb_write_memory_binary_packet(connection, packet, packet_size);
                                        if (retval != ERROR_OK)
                                                return retval;
                                        break;
@@ -2367,24 +2359,22 @@ static int gdb_input_inner(struct connection *connection)
                                        command_run_linef(connection->cmd_ctx,
                                                        "ocd_gdb_restart %s",
                                                        target_name(target));
+                                       /*  info rtos parts */
+                                       gdb_thread_packet(connection, packet, packet_size);
                                        gdb_put_packet(connection, "OK", 2);
                                        break;
 
                                case 'j':
                                    /*  packet supported only by smp target i.e cortex_a.c*/
                                        /* handle smp packet replying coreid played to gbd */
-                                       gdb_read_smp_packet(
-                                                       connection, target,
-                                                       packet, packet_size);
+                                       gdb_read_smp_packet(connection, packet, packet_size);
                                        break;
 
                                case 'J':
                                        /*  packet supported only by smp target i.e cortex_a.c */
                                        /*  handle smp packet setting coreid to be played at next
                                         *  resume to gdb */
-                                       gdb_write_smp_packet(
-                                                       connection, target,
-                                                       packet, packet_size);
+                                       gdb_write_smp_packet(connection, packet, packet_size);
                                        break;
 
                                default:
@@ -2463,7 +2453,7 @@ static int gdb_target_start(struct target *target, const char *port)
                {
                        curr = head->target;
                        if (curr != target) curr->gdb_service = gdb_service;
-                       head = head->next;      
+                       head = head->next;
                }
        }
        return ret;
@@ -2474,7 +2464,7 @@ static int gdb_target_add_one(struct target *target)
        /*  one gdb instance per smp list */
        if ((target->smp) && (target->gdb_service)) return ERROR_OK;
        int retval = gdb_target_start(target, gdb_port_next);
-       if (retval == ERROR_OK) 
+       if (retval == ERROR_OK)
        {
                long portnumber;
                /* If we can parse the port number