#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_
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,
/* 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*/
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)
{
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;
#ifdef _WIN32
errno = WSAGetLastError();
- switch(errno)
+ switch (errno)
{
case WSAEWOULDBLOCK:
usleep(1000);
exit(-1);
}
#else
- switch(errno)
+ switch (errno)
{
case EAGAIN:
usleep(1000);
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;
- if( reply == '$' ){
+ if ( reply == '$' ){
/* fix a problem with some IAR tools */
gdb_putback_char( connection, reply );
LOG_DEBUG("Unexpected start of new packet");
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;
}
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;
}
log_remove_callback(gdb_log_callback, connection);
LOG_WARNING("negative reply, retrying");
}
- else if( reply == '$' ){
+ else if ( reply == '$' ){
LOG_ERROR("GDB missing ack(1) - assumed good");
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 if( reply == '$' ){
+ else if ( reply == '$' ){
LOG_ERROR("GDB missing ack(2) - assumed good");
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;
}
}
if (!noack)
{
- *checksum_ok=(my_checksum == strtoul(checksum, NULL, 16));
+ *checksum_ok = (my_checksum == strtoul(checksum, NULL, 16));
}
return ERROR_OK;
*/
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;
}
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;
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)
+ if ((retval = jtag_execute_queue()) != ERROR_OK)
{
return retval;
}
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;
}
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)
{
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 );
{
int i;
- u8 *buf;
+ uint8_t *buf;
int buf_len;
buf = reg->value;
buf_len = CEIL(reg->size, 8);
{
return c-'0';
}
- c=toupper(c);
+ c = toupper(c);
if (c>='A'&&c<='F')
{
return c-'A'+10;
}
/* 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)
{
}
int i;
- for (i = 0; i < str_len; i+=2)
+ for (i = 0; i < str_len; i += 2)
{
- u8 t = hextoint(tstr[i])<<4;
+ uint8_t t = hextoint(tstr[i]) << 4;
t |= hextoint(tstr[i+1]);
int j = gdb_reg_pos(target, i/2, str_len/2);
LOG_DEBUG("-");
#endif
- if ((retval = target->type->get_gdb_reg_list(target, ®_list, ®_list_size)) != ERROR_OK)
+ if ((retval = target_get_gdb_reg_list(target, ®_list, ®_list_size)) != ERROR_OK)
{
return gdb_error(connection, retval);
}
return ERROR_SERVER_REMOTE_CLOSED;
}
- if ((retval = target->type->get_gdb_reg_list(target, ®_list, ®_list_size)) != ERROR_OK)
+ if ((retval = target_get_gdb_reg_list(target, ®_list, ®_list_size)) != ERROR_OK)
{
return gdb_error(connection, retval);
}
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)
LOG_DEBUG("-");
#endif
- if ((retval = target->type->get_gdb_reg_list(target, ®_list, ®_list_size)) != ERROR_OK)
+ if ((retval = target_get_gdb_reg_list(target, ®_list, ®_list_size)) != ERROR_OK)
{
return gdb_error(connection, retval);
}
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;
LOG_DEBUG("-");
- if ((retval = target->type->get_gdb_reg_list(target, ®_list, ®_list_size)) != ERROR_OK)
+ if ((retval = target_get_gdb_reg_list(target, ®_list, ®_list_size)) != ERROR_OK)
{
return gdb_error(connection, 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;
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.
* 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.
{
hex_buffer = malloc(len * 2 + 1);
- u32 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];
}
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;
- u32 i;
+ uint32_t i;
int retval;
/* skip command character */
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;
}
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;
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)
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("-");
{
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 */
+ 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;
}
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;
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 != ',')
int gdb_calc_blocksize(flash_bank_t *bank)
{
- u32 i;
- u32 block_size = 0xffffffff;
+ uint32_t i;
+ uint32_t block_size = 0xffffffff;
/* loop through all sectors and return smallest sector size */
- for (i = 0; i < (u32)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;
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)
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;
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;
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
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)
{
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
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)
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];
"<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);
}
/* 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;
}
if (!strcmp(packet, "vFlashDone"))
{
- u32 written;
+ uint32_t written;
/* process the flashing buffer. No need to erase as GDB
* always issues a vFlashErase first. */
}
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);
}
int gdb_detach(connection_t *connection, target_t *target)
{
- switch( detach_mode )
+ switch ( detach_mode )
{
case GDB_DETACH_RESUME:
target_handle_event( target, TARGET_EVENT_OLD_pre_resume );
{
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;
/* terminate with zero */
packet[packet_size] = 0;
- if( LOG_LEVEL_IS( LOG_LVL_DEBUG ) ){
- if( packet[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;
- for( x = 0 ; (x < 49) && (packet[x] != ':') ; x++ ){
+ for ( x = 0 ; (x < 49) && (packet[x] != ':') ; x++ ){
buf[x] = packet[x];
}
buf[x] = 0;
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);
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)
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
{
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;
}
}
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;
}
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");
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/disable - 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;
}