Remove whitespace that occurs after '('.
[fw/openocd] / src / server / gdb_server.c
index aa213954d9a85299a2b91d46ac8b67ce7329bf2c..9b22ce274ef4002c3cdfba762512e93d8e50d74a 100644 (file)
 #include "config.h"
 #endif
 
-#include "replacements.h"
-
 #include "gdb_server.h"
-
+#include "target_request.h"
+#include "register.h"
 #include "server.h"
-#include "log.h"
-#include "binarybuffer.h"
-#include "jtag.h"
-#include "breakpoints.h"
 #include "flash.h"
-#include "target.h"
-#include "target_request.h"
-#include "configuration.h"
+#include "image.h"
+#include "jtag.h"
 
-#include <string.h>
-#include <errno.h>
-#include <unistd.h>
-#include <stdlib.h>
 
 #if 0
 #define _DEBUG_GDB_IO_
@@ -54,7 +44,7 @@ static int gdb_breakpoint_override;
 static enum breakpoint_type gdb_breakpoint_override_type;
 
 extern int gdb_error(connection_t *connection, int retval);
-static unsigned short gdb_port;
+static unsigned short gdb_port = 3333;
 static const char *DIGITS = "0123456789abcdef";
 
 static void gdb_log_callback(void *priv, const char *file, int line,
@@ -71,6 +61,10 @@ enum gdb_detach_mode
 /* target behaviour on gdb detach */
 enum gdb_detach_mode detach_mode = GDB_DETACH_RESUME;
 
+/* number of gdb connections, mainly to supress gdb related debugging spam
+ * in helper/log.c when no gdb connections are actually active */
+int gdb_actual_connections;
+
 /* set if we are sending a memory map to gdb
  * via qXfer:memory-map:read packet */
 /* enabled by default*/
@@ -111,11 +105,11 @@ int check_pending(connection_t *connection, int timeout_s, int *got_data)
        fd_set read_fds;
        gdb_connection_t *gdb_con = connection->priv;
        int t;
-       if (got_data==NULL)
+       if (got_data == NULL)
                got_data=&t;
-       *got_data=0;
+       *got_data = 0;
 
-       if (gdb_con->buf_cnt>0)
+       if (gdb_con->buf_cnt > 0)
        {
                *got_data = 1;
                return ERROR_OK;
@@ -131,7 +125,7 @@ int check_pending(connection_t *connection, int timeout_s, int *got_data)
                /* This can typically be because a "monitor" command took too long
                 * before printing any progress messages
                 */
-               if (timeout_s>0)
+               if (timeout_s > 0)
                {
                        return ERROR_GDB_TIMEOUT;
                } else
@@ -139,14 +133,14 @@ int check_pending(connection_t *connection, int timeout_s, int *got_data)
                        return ERROR_OK;
                }
        }
-       *got_data=FD_ISSET(connection->fd, &read_fds)!=0;
+       *got_data = FD_ISSET(connection->fd, &read_fds) != 0;
        return ERROR_OK;
 }
 
 int gdb_get_char(connection_t *connection, int* next_char)
 {
        gdb_connection_t *gdb_con = connection->priv;
-       int retval=ERROR_OK;
+       int retval = ERROR_OK;
 
 #ifdef _DEBUG_GDB_IO_
        char *debug_buffer;
@@ -194,7 +188,7 @@ int gdb_get_char(connection_t *connection, int* next_char)
 #ifdef _WIN32
                errno = WSAGetLastError();
 
-               switch(errno)
+               switch (errno)
                {
                        case WSAEWOULDBLOCK:
                                usleep(1000);
@@ -210,7 +204,7 @@ int gdb_get_char(connection_t *connection, int* next_char)
                                exit(-1);
                }
 #else
-               switch(errno)
+               switch (errno)
                {
                        case EAGAIN:
                                usleep(1000);
@@ -319,15 +313,15 @@ int gdb_put_packet_inner(connection_t *connection, char *buffer, int len)
        int gotdata;
        for (;;)
        {
-               if ((retval=check_pending(connection, 0, &gotdata))!=ERROR_OK)
+               if ((retval = check_pending(connection, 0, &gotdata)) != ERROR_OK)
                        return retval;
                if (!gotdata)
                        break;
                if ((retval = gdb_get_char(connection, &reply)) != ERROR_OK)
                        return retval;
-               ifreply == '$' ){
+               if (reply == '$' ){
                        /* fix a problem with some IAR tools */
-                       gdb_putback_char( connection, reply );
+                       gdb_putback_char(connection, reply );
                        LOG_DEBUG("Unexpected start of new packet");
                        break;
                }
@@ -348,14 +342,14 @@ int gdb_put_packet_inner(connection_t *connection, char *buffer, int len)
 
                char local_buffer[1024];
                local_buffer[0] = '$';
-               if (len+4 <= sizeof(local_buffer))
+               if ((size_t)len + 4 <= sizeof(local_buffer))
                {
                        /* performance gain on smaller packets by only a single call to gdb_write() */
-                       memcpy(local_buffer+1, buffer, len++);
+                       memcpy(local_buffer + 1, buffer, len++);
                        local_buffer[len++] = '#';
                        local_buffer[len++] = DIGITS[(my_checksum >> 4) & 0xf];
                        local_buffer[len++] = DIGITS[my_checksum & 0xf];
-                       if((retval = gdb_write(connection, local_buffer, len)) != ERROR_OK)
+                       if ((retval = gdb_write(connection, local_buffer, len)) != ERROR_OK)
                        {
                                return retval;
                        }
@@ -367,15 +361,15 @@ int gdb_put_packet_inner(connection_t *connection, char *buffer, int len)
                        local_buffer[1] = '#';
                        local_buffer[2] = DIGITS[(my_checksum >> 4) & 0xf];
                        local_buffer[3] = DIGITS[my_checksum & 0xf];
-                       if((retval = gdb_write(connection, local_buffer, 1)) != ERROR_OK)
+                       if ((retval = gdb_write(connection, local_buffer, 1)) != ERROR_OK)
                        {
                                return retval;
                        }
-                       if((retval = gdb_write(connection, buffer, len)) != ERROR_OK)
+                       if ((retval = gdb_write(connection, buffer, len)) != ERROR_OK)
                        {
                                return retval;
                        }
-                       if((retval = gdb_write(connection, local_buffer+1, 3)) != ERROR_OK)
+                       if ((retval = gdb_write(connection, local_buffer + 1, 3)) != ERROR_OK)
                        {
                                return retval;
                        }
@@ -408,26 +402,26 @@ int gdb_put_packet_inner(connection_t *connection, char *buffer, int len)
                                log_remove_callback(gdb_log_callback, connection);
                                LOG_WARNING("negative reply, retrying");
                        }
-                       else ifreply == '$' ){
+                       else if (reply == '$' ){
                                LOG_ERROR("GDB missing ack(1) - assumed good");
-                               gdb_putback_char( connection, reply );
+                               gdb_putback_char(connection, reply );
                                return ERROR_OK;
                        } else {
 
                                LOG_ERROR("unknown character(1) 0x%2.2x in reply, dropping connection", reply);
-                               gdb_con->closed=1;
+                               gdb_con->closed = 1;
                                return ERROR_SERVER_REMOTE_CLOSED;
                        }
                }
-               else ifreply == '$' ){
+               else if (reply == '$' ){
                        LOG_ERROR("GDB missing ack(2) - assumed good");
-                       gdb_putback_char( connection, reply );
+                       gdb_putback_char(connection, reply );
                        return ERROR_OK;
                }
                else
                {
                        LOG_ERROR("unknown character(2) 0x%2.2x in reply, dropping connection", reply);
-                       gdb_con->closed=1;
+                       gdb_con->closed = 1;
                        return ERROR_SERVER_REMOTE_CLOSED;
                }
        }
@@ -467,7 +461,7 @@ static __inline__ int fetch_packet(connection_t *connection, int *checksum_ok, i
                 * We need to leave at least 2 bytes in the buffer to have
                 * gdb_get_char() update various bits and bobs correctly.
                 */
-               if ((gdb_con->buf_cnt > 2) && ((gdb_con->buf_cnt+count) < *len))
+               if ((gdb_con->buf_cnt > 2) && ((gdb_con->buf_cnt + count) < *len))
                {
                        /* The compiler will struggle a bit with constant propagation and
                         * aliasing, so we help it by showing that these values do not
@@ -553,7 +547,7 @@ static __inline__ int fetch_packet(connection_t *connection, int *checksum_ok, i
 
        if (!noack)
        {
-               *checksum_ok=(my_checksum == strtoul(checksum, NULL, 16));
+               *checksum_ok = (my_checksum == strtoul(checksum, NULL, 16));
        }
 
        return ERROR_OK;
@@ -606,11 +600,11 @@ int gdb_get_packet_inner(connection_t *connection, char *buffer, int *len)
                 */
                if (gdb_con->noack_mode)
                {
-                       if ((retval=fetch_packet(connection, &checksum_ok, 1, len, buffer))!=ERROR_OK)
+                       if ((retval = fetch_packet(connection, &checksum_ok, 1, len, buffer)) != ERROR_OK)
                                return retval;
                } else
                {
-                       if ((retval=fetch_packet(connection, &checksum_ok, 0, len, buffer))!=ERROR_OK)
+                       if ((retval = fetch_packet(connection, &checksum_ok, 0, len, buffer)) != ERROR_OK)
                                return retval;
                }
 
@@ -655,9 +649,9 @@ int gdb_output_con(connection_t *connection, const char* line)
                return ERROR_GDB_BUFFER_TOO_SMALL;
 
        hex_buffer[0] = 'O';
-       for (i=0; i<bin_size; i++)
+       for (i = 0; i < bin_size; i++)
                snprintf(hex_buffer + 1 + i*2, 3, "%2.2x", line[i]);
-       hex_buffer[bin_size*2+1] = 0;
+       hex_buffer[bin_size*2 + 1] = 0;
 
        int retval = gdb_put_packet(connection, hex_buffer, bin_size*2 + 1);
 
@@ -715,7 +709,7 @@ int gdb_target_callback_event_handler(struct target_s *target, enum target_event
        int retval;
        connection_t *connection = priv;
 
-       target_handle_event( target, event );
+       target_handle_event(target, event );
        switch (event)
        {
                case TARGET_EVENT_EARLY_HALTED:
@@ -725,8 +719,8 @@ int gdb_target_callback_event_handler(struct target_s *target, enum target_event
                        target_call_event_callbacks(target, TARGET_EVENT_GDB_END);
                        break;
                case TARGET_EVENT_GDB_FLASH_ERASE_START:
-                       target_handle_event( target, TARGET_EVENT_OLD_gdb_program_config );
-                       if((retval = jtag_execute_queue()) != ERROR_OK)
+                       target_handle_event(target, TARGET_EVENT_OLD_gdb_program_config );
+                       if ((retval = jtag_execute_queue()) != ERROR_OK)
                        {
                                return retval;
                        }
@@ -807,6 +801,9 @@ int gdb_new_connection(connection_t *connection)
        if (initial_ack != '+')
                gdb_putback_char(connection, initial_ack);
        target_call_event_callbacks(gdb_service->target, TARGET_EVENT_GDB_ATTACH );
+
+       gdb_actual_connections++;
+
        return ERROR_OK;
 }
 
@@ -815,6 +812,8 @@ int gdb_connection_closed(connection_t *connection)
        gdb_service_t *gdb_service = connection->service->priv;
        gdb_connection_t *gdb_connection = connection->priv;
 
+       gdb_actual_connections--;
+
        /* see if an image built with vFlash commands is left */
        if (gdb_connection->vflash_image)
        {
@@ -845,7 +844,7 @@ int gdb_connection_closed(connection_t *connection)
        return ERROR_OK;
 }
 
-void gdb_send_error(connection_t *connection, u8 the_error)
+void gdb_send_error(connection_t *connection, uint8_t the_error)
 {
        char err[4];
        snprintf(err, 4, "E%2.2X", the_error );
@@ -886,7 +885,7 @@ void gdb_str_to_target(target_t *target, char *tstr, reg_t *reg)
 {
        int i;
 
-       u8 *buf;
+       uint8_t *buf;
        int buf_len;
        buf = reg->value;
        buf_len = CEIL(reg->size, 8);
@@ -895,7 +894,7 @@ void gdb_str_to_target(target_t *target, char *tstr, reg_t *reg)
        {
                int j = gdb_reg_pos(target, i, buf_len);
                tstr[i*2]   = DIGITS[(buf[j]>>4) & 0xf];
-               tstr[i*2+1] = DIGITS[buf[j]&0xf];
+               tstr[i*2 + 1] = DIGITS[buf[j]&0xf];
        }
 }
 
@@ -905,7 +904,7 @@ static int hextoint(char c)
        {
                return c-'0';
        }
-       c=toupper(c);
+       c = toupper(c);
        if (c>='A'&&c<='F')
        {
                return c-'A'+10;
@@ -915,7 +914,7 @@ static int hextoint(char c)
 }
 
 /* copy over in register buffer */
-void gdb_target_to_reg(target_t *target, char *tstr, int str_len, u8 *bin)
+void gdb_target_to_reg(target_t *target, char *tstr, int str_len, uint8_t *bin)
 {
        if (str_len % 2)
        {
@@ -924,10 +923,10 @@ void gdb_target_to_reg(target_t *target, char *tstr, int str_len, u8 *bin)
        }
 
        int i;
-       for (i = 0; i < str_len; i+=2)
+       for (i = 0; i < str_len; i += 2)
        {
-               u8 t = hextoint(tstr[i])<<4;
-               t |= hextoint(tstr[i+1]);
+               uint8_t t = hextoint(tstr[i]) << 4;
+               t |= hextoint(tstr[i + 1]);
 
                int j = gdb_reg_pos(target, i/2, str_len/2);
                bin[j] = t;
@@ -948,7 +947,7 @@ int gdb_get_registers_packet(connection_t *connection, target_t *target, char* p
        LOG_DEBUG("-");
 #endif
 
-       if ((retval = target->type->get_gdb_reg_list(target, &reg_list, &reg_list_size)) != ERROR_OK)
+       if ((retval = target_get_gdb_reg_list(target, &reg_list, &reg_list_size)) != ERROR_OK)
        {
                return gdb_error(connection, retval);
        }
@@ -1006,7 +1005,7 @@ int gdb_set_registers_packet(connection_t *connection, target_t *target, char *p
                return ERROR_SERVER_REMOTE_CLOSED;
        }
 
-       if ((retval = target->type->get_gdb_reg_list(target, &reg_list, &reg_list_size)) != ERROR_OK)
+       if ((retval = target_get_gdb_reg_list(target, &reg_list, &reg_list_size)) != ERROR_OK)
        {
                return gdb_error(connection, retval);
        }
@@ -1014,7 +1013,7 @@ int gdb_set_registers_packet(connection_t *connection, target_t *target, char *p
        packet_p = packet;
        for (i = 0; i < reg_list_size; i++)
        {
-               u8 *bin_buf;
+               uint8_t *bin_buf;
                int chars = (CEIL(reg_list[i]->size, 8) * 2);
 
                if (packet_p + chars > packet + packet_size)
@@ -1058,7 +1057,7 @@ int gdb_get_register_packet(connection_t *connection, target_t *target, char *pa
        LOG_DEBUG("-");
 #endif
 
-       if ((retval = target->type->get_gdb_reg_list(target, &reg_list, &reg_list_size)) != ERROR_OK)
+       if ((retval = target_get_gdb_reg_list(target, &reg_list, &reg_list_size)) != ERROR_OK)
        {
                return gdb_error(connection, retval);
        }
@@ -1084,7 +1083,7 @@ int gdb_get_register_packet(connection_t *connection, target_t *target, char *pa
 int gdb_set_register_packet(connection_t *connection, target_t *target, char *packet, int packet_size)
 {
        char *separator;
-       u8 *bin_buf;
+       uint8_t *bin_buf;
        int reg_num = strtoul(packet + 1, &separator, 16);
        reg_t **reg_list;
        int reg_list_size;
@@ -1093,7 +1092,7 @@ int gdb_set_register_packet(connection_t *connection, target_t *target, char *pa
 
        LOG_DEBUG("-");
 
-       if ((retval = target->type->get_gdb_reg_list(target, &reg_list, &reg_list_size)) != ERROR_OK)
+       if ((retval = target_get_gdb_reg_list(target, &reg_list, &reg_list_size)) != ERROR_OK)
        {
                return gdb_error(connection, retval);
        }
@@ -1164,10 +1163,10 @@ int gdb_error(connection_t *connection, int retval)
 int gdb_read_memory_packet(connection_t *connection, target_t *target, char *packet, int packet_size)
 {
        char *separator;
-       u32 addr = 0;
-       u32 len = 0;
+       uint32_t addr = 0;
+       uint32_t len = 0;
 
-       u8 *buffer;
+       uint8_t *buffer;
        char *hex_buffer;
 
        int retval = ERROR_OK;
@@ -1183,15 +1182,15 @@ int gdb_read_memory_packet(connection_t *connection, target_t *target, char *pac
                return ERROR_SERVER_REMOTE_CLOSED;
        }
 
-       len = strtoul(separator+1, NULL, 16);
+       len = strtoul(separator + 1, NULL, 16);
 
        buffer = malloc(len);
 
-       LOG_DEBUG("addr: 0x%8.8x, len: 0x%8.8x", addr, len);
+       LOG_DEBUG("addr: 0x%8.8" PRIx32 ", len: 0x%8.8" PRIx32 "", addr, len);
 
        retval = target_read_buffer(target, addr, len, buffer);
 
-       if ((retval!=ERROR_OK)&&!gdb_report_data_abort)
+       if ((retval != ERROR_OK)&&!gdb_report_data_abort)
        {
                /* TODO : Here we have to lie and send back all zero's lest stack traces won't work.
                 * At some point this might be fixed in GDB, in which case this code can be removed.
@@ -1200,7 +1199,7 @@ int gdb_read_memory_packet(connection_t *connection, target_t *target, char *pac
                 * gained by involving the user in this problem that hopefully will get resolved
                 * eventually
                 *
-                * http://sourceware.org/cgi-bin/gnatsweb.pl?cmd=view%20audit-trail&database=gdb&pr=2395
+                * http://sourceware.org/cgi-bin/gnatsweb.pl?cmd = view%20audit-trail&database = gdb&pr = 2395
                 *
                 * For now, the default is to fix up things to make current GDB versions work.
                 * This can be overwritten using the gdb_report_data_abort <'enable'|'disable'> command.
@@ -1213,10 +1212,10 @@ int gdb_read_memory_packet(connection_t *connection, target_t *target, char *pac
        {
                hex_buffer = malloc(len * 2 + 1);
 
-               int i;
+               uint32_t i;
                for (i = 0; i < len; i++)
                {
-                       u8 t = buffer[i];
+                       uint8_t t = buffer[i];
                        hex_buffer[2 * i] = DIGITS[(t >> 4) & 0xf];
                        hex_buffer[2 * i + 1] = DIGITS[t & 0xf];
                }
@@ -1238,12 +1237,12 @@ int gdb_read_memory_packet(connection_t *connection, target_t *target, char *pac
 int gdb_write_memory_packet(connection_t *connection, target_t *target, char *packet, int packet_size)
 {
        char *separator;
-       u32 addr = 0;
-       u32 len = 0;
+       uint32_t addr = 0;
+       uint32_t len = 0;
 
-       u8 *buffer;
+       uint8_t *buffer;
 
-       int i;
+       uint32_t i;
        int retval;
 
        /* skip command character */
@@ -1257,7 +1256,7 @@ int gdb_write_memory_packet(connection_t *connection, target_t *target, char *pa
                return ERROR_SERVER_REMOTE_CLOSED;
        }
 
-       len = strtoul(separator+1, &separator, 16);
+       len = strtoul(separator + 1, &separator, 16);
 
        if (*(separator++) != ':')
        {
@@ -1267,12 +1266,12 @@ int gdb_write_memory_packet(connection_t *connection, target_t *target, char *pa
 
        buffer = malloc(len);
 
-       LOG_DEBUG("addr: 0x%8.8x, len: 0x%8.8x", addr, len);
+       LOG_DEBUG("addr: 0x%8.8" PRIx32 ", len: 0x%8.8" PRIx32 "", addr, len);
 
-       for (i=0; i<len; i++)
+       for (i = 0; i < len; i++)
        {
-               u32 tmp;
-               sscanf(separator + 2*i, "%2x", &tmp);
+               uint32_t tmp;
+               sscanf(separator + 2*i, "%2" SCNx32 , &tmp);
                buffer[i] = tmp;
        }
 
@@ -1295,8 +1294,8 @@ int gdb_write_memory_packet(connection_t *connection, target_t *target, char *pa
 int gdb_write_memory_binary_packet(connection_t *connection, target_t *target, char *packet, int packet_size)
 {
        char *separator;
-       u32 addr = 0;
-       u32 len = 0;
+       uint32_t addr = 0;
+       uint32_t len = 0;
 
        int retval;
 
@@ -1311,7 +1310,7 @@ int gdb_write_memory_binary_packet(connection_t *connection, target_t *target, c
                return ERROR_SERVER_REMOTE_CLOSED;
        }
 
-       len = strtoul(separator+1, &separator, 16);
+       len = strtoul(separator + 1, &separator, 16);
 
        if (*(separator++) != ':')
        {
@@ -1322,9 +1321,9 @@ int gdb_write_memory_binary_packet(connection_t *connection, target_t *target, c
        retval = ERROR_OK;
        if (len)
        {
-               LOG_DEBUG("addr: 0x%8.8x, len: 0x%8.8x", addr, len);
+               LOG_DEBUG("addr: 0x%8.8" PRIx32 ", len: 0x%8.8" PRIx32 "", addr, len);
 
-               retval = target_write_buffer(target, addr, len, (u8*)separator);
+               retval = target_write_buffer(target, addr, len, (uint8_t*)separator);
        }
 
        if (retval == ERROR_OK)
@@ -1343,8 +1342,8 @@ int gdb_write_memory_binary_packet(connection_t *connection, target_t *target, c
 int gdb_step_continue_packet(connection_t *connection, target_t *target, char *packet, int packet_size)
 {
        int current = 0;
-       u32 address = 0x0;
-       int retval=ERROR_OK;
+       uint32_t address = 0x0;
+       int retval = ERROR_OK;
 
        LOG_DEBUG("-");
 
@@ -1361,13 +1360,14 @@ int gdb_step_continue_packet(connection_t *connection, target_t *target, char *p
        if (packet[0] == 'c')
        {
                LOG_DEBUG("continue");
-               target_handle_event( target, TARGET_EVENT_OLD_pre_resume );
-               retval=target_resume(target, current, address, 0, 0); /* resume at current address, don't handle breakpoints, not debugging */
+               target_handle_event(target, TARGET_EVENT_OLD_pre_resume );
+               retval = target_resume(target, current, address, 0, 0); /* resume at current address, don't handle breakpoints, not debugging */
        }
        else if (packet[0] == 's')
        {
                LOG_DEBUG("step");
-               retval=target->type->step(target, current, address, 0); /* step at current or address, don't handle breakpoints */
+               /* step at current or address, don't handle breakpoints */
+               retval = target_step(target, current, address, 0);
        }
        return retval;
 }
@@ -1377,8 +1377,8 @@ int gdb_breakpoint_watchpoint_packet(connection_t *connection, target_t *target,
        int type;
        enum breakpoint_type bp_type = BKPT_SOFT /* dummy init to avoid warning */;
        enum watchpoint_rw wp_type;
-       u32 address;
-       u32 size;
+       uint32_t address;
+       uint32_t size;
        char *separator;
        int retval;
 
@@ -1397,9 +1397,9 @@ int gdb_breakpoint_watchpoint_packet(connection_t *connection, target_t *target,
        else if (type == 4) /* access watchpoint */
                wp_type = WPT_ACCESS;
 
-       if (gdb_breakpoint_override&&((bp_type==BKPT_SOFT)||(bp_type==BKPT_HARD)))
+       if (gdb_breakpoint_override && ((bp_type == BKPT_SOFT)||(bp_type == BKPT_HARD)))
        {
-               bp_type=gdb_breakpoint_override_type;
+               bp_type = gdb_breakpoint_override_type;
        }
 
        if (*separator != ',')
@@ -1408,7 +1408,7 @@ int gdb_breakpoint_watchpoint_packet(connection_t *connection, target_t *target,
                return ERROR_SERVER_REMOTE_CLOSED;
        }
 
-       address = strtoul(separator+1, &separator, 16);
+       address = strtoul(separator + 1, &separator, 16);
 
        if (*separator != ',')
        {
@@ -1416,7 +1416,7 @@ int gdb_breakpoint_watchpoint_packet(connection_t *connection, target_t *target,
                return ERROR_SERVER_REMOTE_CLOSED;
        }
 
-       size = strtoul(separator+1, &separator, 16);
+       size = strtoul(separator + 1, &separator, 16);
 
        switch (type)
        {
@@ -1533,19 +1533,19 @@ static int decode_xfer_read(char *buf, char **annex, int *ofs, unsigned int *len
        if (*separator != ',')
                return -1;
 
-       *len = strtoul(separator+1, NULL, 16);
+       *len = strtoul(separator + 1, NULL, 16);
 
        return 0;
 }
 
 int gdb_calc_blocksize(flash_bank_t *bank)
 {
-       int i;
-       int block_size = 0xffffffff;
+       uint32_t i;
+       uint32_t block_size = 0xffffffff;
 
        /* loop through all sectors and return smallest sector size */
 
-       for (i = 0; i < bank->num_sectors; i++)
+       for (i = 0; i < (uint32_t)bank->num_sectors; i++)
        {
                if (bank->sectors[i].size < block_size)
                        block_size = bank->sectors[i].size;
@@ -1560,10 +1560,10 @@ static int compare_bank (const void * a, const void * b)
        b1=*((flash_bank_t **)a);
        b2=*((flash_bank_t **)b);
 
-       if (b1->base==b2->base)
+       if (b1->base == b2->base)
        {
                return 0;
-       } else if (b1->base>b2->base)
+       } else if (b1->base > b2->base)
        {
                return 1;
        } else
@@ -1584,10 +1584,10 @@ int gdb_query_packet(connection_t *connection, target_t *target, char *packet, i
                        char *cmd;
                        int i;
                        cmd = malloc((packet_size - 6)/2 + 1);
-                       for (i=0; i < (packet_size - 6)/2; i++)
+                       for (i = 0; i < (packet_size - 6)/2; i++)
                        {
-                               u32 tmp;
-                               sscanf(packet + 6 + 2*i, "%2x", &tmp);
+                               uint32_t tmp;
+                               sscanf(packet + 6 + 2*i, "%2" SCNx32 , &tmp);
                                cmd[i] = tmp;
                        }
                        cmd[(packet_size - 6)/2] = 0x0;
@@ -1610,9 +1610,9 @@ int gdb_query_packet(connection_t *connection, target_t *target, char *packet, i
                        int retval;
                        char gdb_reply[10];
                        char *separator;
-                       u32 checksum;
-                       u32 addr = 0;
-                       u32 len = 0;
+                       uint32_t checksum;
+                       uint32_t addr = 0;
+                       uint32_t len = 0;
 
                        /* skip command character */
                        packet += 5;
@@ -1631,7 +1631,7 @@ int gdb_query_packet(connection_t *connection, target_t *target, char *packet, i
 
                        if (retval == ERROR_OK)
                        {
-                               snprintf(gdb_reply, 10, "C%8.8x", checksum);
+                               snprintf(gdb_reply, 10, "C%8.8" PRIx32 "", checksum);
                                gdb_put_packet(connection, gdb_reply, 9);
                        }
                        else
@@ -1654,7 +1654,7 @@ int gdb_query_packet(connection_t *connection, target_t *target, char *packet, i
 
                xml_printf(&retval, &buffer, &pos, &size,
                                "PacketSize=%x;qXfer:memory-map:read%c;qXfer:features:read-;QStartNoAckMode+",
-                               (GDB_BUFFER_SIZE - 1), ((gdb_use_memory_map == 1)&&(flash_get_bank_count()>0)) ? '+' : '-');
+                               (GDB_BUFFER_SIZE - 1), ((gdb_use_memory_map == 1) && (flash_get_bank_count() > 0)) ? '+' : '-');
 
                if (retval != ERROR_OK)
                {
@@ -1667,7 +1667,7 @@ int gdb_query_packet(connection_t *connection, target_t *target, char *packet, i
 
                return ERROR_OK;
        }
-       else if (strstr(packet, "qXfer:memory-map:read::")&&(flash_get_bank_count()>0))
+       else if (strstr(packet, "qXfer:memory-map:read::") && (flash_get_bank_count() > 0))
        {
                /* 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
@@ -1699,10 +1699,10 @@ int gdb_query_packet(connection_t *connection, target_t *target, char *packet, i
                read/write) by default for GDB.
                GDB does not have a concept of non-cacheable read/write memory.
                 */
-               flash_bank_t **banks=malloc(sizeof(flash_bank_t *)*flash_get_bank_count());
+               flash_bank_t **banks = malloc(sizeof(flash_bank_t *)*flash_get_bank_count());
                int i;
 
-               for (i=0; i<flash_get_bank_count(); i++)
+               for (i = 0; i < flash_get_bank_count(); i++)
                {
                        p = get_flash_bank_by_num(i);
                        if (p == NULL)
@@ -1717,12 +1717,12 @@ int gdb_query_packet(connection_t *connection, target_t *target, char *packet, i
 
                qsort(banks, flash_get_bank_count(), sizeof(flash_bank_t *), compare_bank);
 
-               u32 ram_start=0;
-               for (i=0; i<flash_get_bank_count(); i++)
+               uint32_t ram_start = 0;
+               for (i = 0; i < flash_get_bank_count(); i++)
                {
                        p = banks[i];
 
-                       if (ram_start<p->base)
+                       if (ram_start < p->base)
                        {
                                xml_printf(&retval, &xml, &pos, &size, "<memory type=\"ram\" start=\"0x%x\" length=\"0x%x\"/>\n",
                                        ram_start, p->base-ram_start);
@@ -1736,9 +1736,9 @@ int gdb_query_packet(connection_t *connection, target_t *target, char *packet, i
                                "<property name=\"blocksize\">0x%x</property>\n" \
                                "</memory>\n", \
                                p->base, p->size, blocksize);
-                       ram_start=p->base+p->size;
+                       ram_start = p->base + p->size;
                }
-               if (ram_start!=0)
+               if (ram_start != 0)
                {
                        xml_printf(&retval, &xml, &pos, &size, "<memory type=\"ram\" start=\"0x%x\" length=\"0x%x\"/>\n",
                                ram_start, 0-ram_start);
@@ -1800,7 +1800,7 @@ int gdb_query_packet(connection_t *connection, target_t *target, char *packet, i
                }
 
                xml_printf(&retval, &xml, &pos, &size, \
-                       "l<target version=\"1.0\">\n<architecture>arm</architecture>\n</target>\n");
+                       "l < target version=\"1.0\">\n < architecture > arm</architecture>\n</target>\n");
 
                if (retval != ERROR_OK)
                {
@@ -1918,7 +1918,7 @@ int gdb_v_packet(connection_t *connection, target_t *target, char *packet, int p
                }
 
                /* create new section with content from packet buffer */
-               if((retval = image_add_section(gdb_connection->vflash_image, addr, length, 0x0, (u8*)parse)) != ERROR_OK)
+               if ((retval = image_add_section(gdb_connection->vflash_image, addr, length, 0x0, (uint8_t*)parse)) != ERROR_OK)
                {
                        return retval;
                }
@@ -1930,14 +1930,14 @@ int gdb_v_packet(connection_t *connection, target_t *target, char *packet, int p
 
        if (!strcmp(packet, "vFlashDone"))
        {
-               u32 written;
+               uint32_t written;
 
                /* process the flashing buffer. No need to erase as GDB
                 * always issues a vFlashErase first. */
                target_call_event_callbacks(gdb_service->target, TARGET_EVENT_GDB_FLASH_WRITE_START);
                result = flash_write(gdb_service->target, gdb_connection->vflash_image, &written, 0);
                target_call_event_callbacks(gdb_service->target, TARGET_EVENT_GDB_FLASH_WRITE_END);
-               if ( result != ERROR_OK)
+               if (result != ERROR_OK)
                {
                        if (result == ERROR_FLASH_DST_OUT_OF_BANK)
                                gdb_put_packet(connection, "E.memtype", 9);
@@ -1946,7 +1946,7 @@ int gdb_v_packet(connection_t *connection, target_t *target, char *packet, int p
                        }
                else
                {
-                       LOG_DEBUG("wrote %u bytes from vFlash image to flash", written);
+                       LOG_DEBUG("wrote %u bytes from vFlash image to flash", (unsigned)written);
                        gdb_put_packet(connection, "OK", 2);
                }
 
@@ -1964,10 +1964,10 @@ int gdb_v_packet(connection_t *connection, target_t *target, char *packet, int p
 int gdb_detach(connection_t *connection, target_t *target)
 {
 
-       switchdetach_mode )
+       switch (detach_mode )
        {
                case GDB_DETACH_RESUME:
-                       target_handle_event( target, TARGET_EVENT_OLD_pre_resume );
+                       target_handle_event(target, TARGET_EVENT_OLD_pre_resume );
                        target_resume(target, 1, 0, 1, 0);
                        break;
 
@@ -2018,7 +2018,7 @@ int gdb_input_inner(connection_t *connection)
 {
        gdb_service_t *gdb_service = connection->service->priv;
        target_t *target = gdb_service->target;
-       char *packet=gdb_packet_buffer;
+       char *packet = gdb_packet_buffer;
        int packet_size;
        int retval;
        gdb_connection_t *gdb_con = connection->priv;
@@ -2036,12 +2036,12 @@ int gdb_input_inner(connection_t *connection)
                /* terminate with zero */
                packet[packet_size] = 0;
 
-               if( LOG_LEVEL_IS( LOG_LVL_DEBUG ) ){
-                       ifpacket[0] == 'X' ){
+               if (LOG_LEVEL_IS(LOG_LVL_DEBUG ) ){
+                       if (packet[0] == 'X' ){
                                // binary packets spew junk into the debug log stream
                                char buf[ 50 ];
                                int x;
-                               forx = 0 ; (x < 49) && (packet[x] != ':') ; x++ ){
+                               for (x = 0 ; (x < 49) && (packet[x] != ':') ; x++ ){
                                        buf[x] = packet[x];
                                }
                                buf[x] = 0;
@@ -2108,8 +2108,8 @@ int gdb_input_inner(connection_t *connection)
                                                        gdb_con->frontend_state = TARGET_RUNNING;
                                                        log_add_callback(gdb_log_callback, connection);
                                                        target_call_event_callbacks(target, TARGET_EVENT_GDB_START);
-                                                       int retval=gdb_step_continue_packet(connection, target, packet, packet_size);
-                                                       if (retval!=ERROR_OK)
+                                                       int retval = gdb_step_continue_packet(connection, target, packet, packet_size);
+                                                       if (retval != ERROR_OK)
                                                        {
                                                                /* we'll never receive a halted condition... issue a false one.. */
                                                                gdb_frontend_halted(target, connection);
@@ -2198,8 +2198,8 @@ int gdb_init(void)
 
        if (gdb_port == 0 && server_use_pipes == 0)
        {
-               LOG_WARNING("no gdb port specified, using default port 3333");
-               gdb_port = 3333;
+               LOG_INFO("gdb port disabled");
+               return ERROR_OK;
        }
 
        if (server_use_pipes)
@@ -2211,7 +2211,8 @@ int gdb_init(void)
 
                add_service("gdb", CONNECTION_PIPE, 0, 1, gdb_new_connection, gdb_input, gdb_connection_closed, gdb_service);
 
-               LOG_DEBUG("gdb service for target %s using pipes", target->type->name);
+               LOG_DEBUG("gdb service for target %s using pipes",
+                               target_get_name(target));
        }
        else
        {
@@ -2222,7 +2223,9 @@ int gdb_init(void)
 
                        add_service("gdb", CONNECTION_TCP, gdb_port + target->target_number, 1, gdb_new_connection, gdb_input, gdb_connection_closed, gdb_service);
 
-                       LOG_DEBUG("gdb service for target %s at port %i", target->type->name, gdb_port + target->target_number);
+                       LOG_DEBUG("gdb service for target %s at port %i",
+                                       target_get_name(target),
+                                       gdb_port + target->target_number);
                        target = target->next;
                }
        }
@@ -2346,15 +2349,15 @@ int handle_gdb_breakpoint_override_command(struct command_context_s *cmd_ctx, ch
        if (argc == 0)
        {
 
-       } else if (argc==1)
+       } else if (argc == 1)
        {
                gdb_breakpoint_override = 1;
-               if (strcmp(args[0], "hard")==0)
+               if (strcmp(args[0], "hard") == 0)
                {
-                       gdb_breakpoint_override_type=BKPT_HARD;
-               } else if (strcmp(args[0], "soft")==0)
+                       gdb_breakpoint_override_type = BKPT_HARD;
+               } else if (strcmp(args[0], "soft") == 0)
                {
-                       gdb_breakpoint_override_type=BKPT_SOFT;
+                       gdb_breakpoint_override_type = BKPT_SOFT;
                } else if (strcmp(args[0], "disable") == 0)
                {
                        gdb_breakpoint_override = 0;
@@ -2365,7 +2368,7 @@ int handle_gdb_breakpoint_override_command(struct command_context_s *cmd_ctx, ch
        }
        if (gdb_breakpoint_override)
        {
-               LOG_USER("force %s breakpoints", (gdb_breakpoint_override_type==BKPT_HARD)?"hard":"soft");
+               LOG_USER("force %s breakpoints", (gdb_breakpoint_override_type == BKPT_HARD)?"hard":"soft");
        } else
        {
                LOG_USER("breakpoint type is not overriden");
@@ -2379,17 +2382,15 @@ int gdb_register_commands(command_context_t *command_context)
        register_command(command_context, NULL, "gdb_port", handle_gdb_port_command,
                        COMMAND_ANY, "daemon configuration command gdb_port");
        register_command(command_context, NULL, "gdb_detach", handle_gdb_detach_command,
-                       COMMAND_CONFIG, "");
+                       COMMAND_CONFIG, "resume/reset/halt/nothing - "
+                       "specify behavior when GDB detaches from the target");
        register_command(command_context, NULL, "gdb_memory_map", handle_gdb_memory_map_command,
                        COMMAND_CONFIG, "enable or disable memory map");
        register_command(command_context, NULL, "gdb_flash_program", handle_gdb_flash_program_command,
                        COMMAND_CONFIG, "enable or disable flash program");
        register_command(command_context, NULL, "gdb_report_data_abort", handle_gdb_report_data_abort_command,
-                       COMMAND_CONFIG, "enable or disable report data");
+                       COMMAND_CONFIG, "enable or disable reporting data aborts");
        register_command(command_context, NULL, "gdb_breakpoint_override", handle_gdb_breakpoint_override_command,
-                       COMMAND_EXEC, "hard/soft/disabled - force breakpoint type for gdb 'break' commands."
-                       "The raison d'etre for this option is to support GDB GUI's without "
-                       "a hard/soft breakpoint concept where the default OpenOCD behaviour "
-                       "is not sufficient");
+                       COMMAND_EXEC, "hard/soft/disable - force breakpoint type for gdb 'break' commands.");
        return ERROR_OK;
 }