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gdb_server -- symbol cleanup 

Make most methods static; net minor object code shrink.
Likewise various data symbols; no net change.
Shrink some overlong lines.

Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
__archive__
David Brownell 2010-01-19 23:30:36 -08:00
parent 4f310aa0c9
commit bf1e9a83c8
2 changed files with 105 additions and 62 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

166
src/server/gdb_server.c
View File

@ -74,7 +74,7 @@ static struct gdb_connection *current_gdb_connection;
static int gdb_breakpoint_override;
static enum breakpoint_type gdb_breakpoint_override_type;
extern int gdb_error(struct connection *connection, int retval);
static int gdb_error(struct connection *connection, int retval);
static unsigned short gdb_port = 3333;
static unsigned short gdb_port_next = 0;
static const char DIGITS[16] = "0123456789abcdef";
@ -89,15 +89,17 @@ int gdb_actual_connections;
/* set if we are sending a memory map to gdb
* via qXfer:memory-map:read packet */
/* enabled by default*/
int gdb_use_memory_map = 1;
static int gdb_use_memory_map = 1;
/* enabled by default*/
int gdb_flash_program = 1;
static int gdb_flash_program = 1;
/* if set, data aborts cause an error to be reported in memory read packets
* see the code in gdb_read_memory_packet() for further explanations */
int gdb_report_data_abort = 0;
* see the code in gdb_read_memory_packet() for further explanations.
* Disabled by default.
*/
static int gdb_report_data_abort;
int gdb_last_signal(struct target *target)
static int gdb_last_signal(struct target *target)
{
switch (target->debug_reason)
{
@ -117,7 +119,8 @@ int gdb_last_signal(struct target *target)
}
}
int check_pending(struct connection *connection, int timeout_s, int *got_data)
static int check_pending(struct connection *connection,
int timeout_s, int *got_data)
{
/* a non-blocking socket will block if there is 0 bytes available on the socket,
* but return with as many bytes as are available immediately
@ -284,14 +287,14 @@ static inline int gdb_get_char_fast(struct connection *connection, int* next_cha
}
int gdb_get_char(struct connection *connection, int* next_char)
static int gdb_get_char(struct connection *connection, int* next_char)
{
struct gdb_connection *gdb_con = connection->priv;
return gdb_get_char_fast(connection, next_char, &gdb_con->buf_p, &gdb_con->buf_cnt);
}
int gdb_putback_char(struct connection *connection, int last_char)
static int gdb_putback_char(struct connection *connection, int last_char)
{
struct gdb_connection *gdb_con = connection->priv;
@ -311,7 +314,7 @@ int gdb_putback_char(struct connection *connection, int last_char)
/* The only way we can detect that the socket is closed is the first time
* we write to it, we will fail. Subsequent write operations will
* succeed. Shudder! */
int gdb_write(struct connection *connection, void *data, int len)
static int gdb_write(struct connection *connection, void *data, int len)
{
struct gdb_connection *gdb_con = connection->priv;
if (gdb_con->closed)
@ -336,7 +339,8 @@ int gdb_write(struct connection *connection, void *data, int len)
return ERROR_SERVER_REMOTE_CLOSED;
}
int gdb_put_packet_inner(struct connection *connection, char *buffer, int len)
static int gdb_put_packet_inner(struct connection *connection,
char *buffer, int len)
{
int i;
unsigned char my_checksum = 0;
@ -359,7 +363,8 @@ int gdb_put_packet_inner(struct connection *connection, char *buffer, int len)
int gotdata;
for (;;)
{
if ((retval = check_pending(connection, 0, &gotdata)) != ERROR_OK)
retval = check_pending(connection, 0, &gotdata);
if (retval != ERROR_OK)
return retval;
if (!gotdata)
break;
@ -477,7 +482,7 @@ int gdb_put_packet_inner(struct connection *connection, char *buffer, int len)
return ERROR_OK;
}
int gdb_put_packet(struct connection *connection, char *buffer, int len)
static int gdb_put_packet(struct connection *connection, char *buffer, int len)
{
struct gdb_connection *gdb_con = connection->priv;
gdb_con->busy = 1;
@ -616,7 +621,8 @@ static __inline__ int fetch_packet(struct connection *connection, int *checksum_
return ERROR_OK;
}
int gdb_get_packet_inner(struct connection *connection, char *buffer, int *len)
static int gdb_get_packet_inner(struct connection *connection,
char *buffer, int *len)
{
int character;
int retval;
@ -691,7 +697,7 @@ int gdb_get_packet_inner(struct connection *connection, char *buffer, int *len)
return ERROR_OK;
}
int gdb_get_packet(struct connection *connection, char *buffer, int *len)
static int gdb_get_packet(struct connection *connection, char *buffer, int *len)
{
struct gdb_connection *gdb_con = connection->priv;
gdb_con->busy = 1;
@ -700,7 +706,7 @@ int gdb_get_packet(struct connection *connection, char *buffer, int *len)
return retval;
}
int gdb_output_con(struct connection *connection, const char* line)
static int gdb_output_con(struct connection *connection, const char* line)
{
char *hex_buffer;
int i, bin_size;
@ -722,7 +728,7 @@ int gdb_output_con(struct connection *connection, const char* line)
return retval;
}
int gdb_output(struct command_context *context, const char* line)
static int gdb_output(struct command_context *context, const char* line)
{
/* this will be dumped to the log and also sent as an O packet if possible */
LOG_USER_N("%s", line);
@ -767,7 +773,8 @@ static void gdb_frontend_halted(struct target *target, struct connection *connec
}
}
int gdb_target_callback_event_handler(struct target *target, enum target_event event, void *priv)
static int gdb_target_callback_event_handler(struct target *target,
enum target_event event, void *priv)
{
int retval;
struct connection *connection = priv;
@ -795,7 +802,7 @@ int gdb_target_callback_event_handler(struct target *target, enum target_event e
return ERROR_OK;
}
int gdb_new_connection(struct connection *connection)
static int gdb_new_connection(struct connection *connection)
{
struct gdb_connection *gdb_connection = malloc(sizeof(struct gdb_connection));
struct gdb_service *gdb_service = connection->service->priv;
@ -851,7 +858,7 @@ int gdb_new_connection(struct connection *connection)
return ERROR_OK;
}
int gdb_connection_closed(struct connection *connection)
static int gdb_connection_closed(struct connection *connection)
{
struct gdb_service *gdb_service = connection->service->priv;
struct gdb_connection *gdb_connection = connection->priv;
@ -898,14 +905,15 @@ int gdb_connection_closed(struct connection *connection)
return ERROR_OK;
}
void gdb_send_error(struct connection *connection, uint8_t the_error)
static void gdb_send_error(struct connection *connection, uint8_t the_error)
{
char err[4];
snprintf(err, 4, "E%2.2X", the_error);
gdb_put_packet(connection, err, 3);
}
int gdb_last_signal_packet(struct connection *connection, struct target *target, char* packet, int packet_size)
static int gdb_last_signal_packet(struct connection *connection,
struct target *target, char* packet, int packet_size)
{
char sig_reply[4];
int signal;
@ -935,7 +943,8 @@ static int gdb_reg_pos(struct target *target, int pos, int len)
* The format of reg->value is little endian
*
*/
void gdb_str_to_target(struct target *target, char *tstr, struct reg *reg)
static void gdb_str_to_target(struct target *target,
char *tstr, struct reg *reg)
{
int i;
@ -968,7 +977,8 @@ static int hextoint(int c)
}
/* copy over in register buffer */
void gdb_target_to_reg(struct target *target, char *tstr, int str_len, uint8_t *bin)
static void gdb_target_to_reg(struct target *target,
char *tstr, int str_len, uint8_t *bin)
{
if (str_len % 2)
{
@ -987,7 +997,8 @@ void gdb_target_to_reg(struct target *target, char *tstr, int str_len, uint8_t *
}
}
int gdb_get_registers_packet(struct connection *connection, struct target *target, char* packet, int packet_size)
static int gdb_get_registers_packet(struct connection *connection,
struct target *target, char* packet, int packet_size)
{
struct reg **reg_list;
int reg_list_size;
@ -1037,7 +1048,8 @@ int gdb_get_registers_packet(struct connection *connection, struct target *targe
return ERROR_OK;
}
int gdb_set_registers_packet(struct connection *connection, struct target *target, char *packet, int packet_size)
static int gdb_set_registers_packet(struct connection *connection,
struct target *target, char *packet, int packet_size)
{
int i;
struct reg **reg_list;
@ -1095,7 +1107,8 @@ int gdb_set_registers_packet(struct connection *connection, struct target *targe
return ERROR_OK;
}
int gdb_get_register_packet(struct connection *connection, struct target *target, char *packet, int packet_size)
static int gdb_get_register_packet(struct connection *connection,
struct target *target, char *packet, int packet_size)
{
char *reg_packet;
int reg_num = strtoul(packet + 1, NULL, 16);
@ -1130,7 +1143,8 @@ int gdb_get_register_packet(struct connection *connection, struct target *target
return ERROR_OK;
}
int gdb_set_register_packet(struct connection *connection, struct target *target, char *packet, int packet_size)
static int gdb_set_register_packet(struct connection *connection,
struct target *target, char *packet, int packet_size)
{
char *separator;
uint8_t *bin_buf;
@ -1176,7 +1190,7 @@ int gdb_set_register_packet(struct connection *connection, struct target *target
return ERROR_OK;
}
int gdb_error(struct connection *connection, int retval)
static int gdb_error(struct connection *connection, int retval)
{
switch (retval)
{
@ -1207,7 +1221,8 @@ int gdb_error(struct connection *connection, int retval)
*
* 8191 bytes by the looks of it. Why 8191 bytes instead of 8192?????
*/
int gdb_read_memory_packet(struct connection *connection, struct target *target, char *packet, int packet_size)
static int gdb_read_memory_packet(struct connection *connection,
struct target *target, char *packet, int packet_size)
{
char *separator;
uint32_t addr = 0;
@ -1281,7 +1296,8 @@ int gdb_read_memory_packet(struct connection *connection, struct target *target,
return retval;
}
int gdb_write_memory_packet(struct connection *connection, struct target *target, char *packet, int packet_size)
static int gdb_write_memory_packet(struct connection *connection,
struct target *target, char *packet, int packet_size)
{
char *separator;
uint32_t addr = 0;
@ -1338,7 +1354,8 @@ int gdb_write_memory_packet(struct connection *connection, struct target *target
return retval;
}
int gdb_write_memory_binary_packet(struct connection *connection, struct target *target, char *packet, int packet_size)
static int gdb_write_memory_binary_packet(struct connection *connection,
struct target *target, char *packet, int packet_size)
{
char *separator;
uint32_t addr = 0;
@ -1386,7 +1403,8 @@ int gdb_write_memory_binary_packet(struct connection *connection, struct target
return ERROR_OK;
}
int gdb_step_continue_packet(struct connection *connection, struct target *target, char *packet, int packet_size)
static int gdb_step_continue_packet(struct connection *connection,
struct target *target, char *packet, int packet_size)
{
int current = 0;
uint32_t address = 0x0;
@ -1419,7 +1437,8 @@ int gdb_step_continue_packet(struct connection *connection, struct target *targe
return retval;
}
int gdb_breakpoint_watchpoint_packet(struct connection *connection, struct target *target, char *packet, int packet_size)
static int gdb_breakpoint_watchpoint_packet(struct connection *connection,
struct target *target, char *packet, int packet_size)
{
int type;
enum breakpoint_type bp_type = BKPT_SOFT /* dummy init to avoid warning */;
@ -1523,8 +1542,11 @@ int gdb_breakpoint_watchpoint_packet(struct connection *connection, struct targe
return ERROR_OK;
}
/* print out a string and allocate more space as needed, mainly used for XML at this point */
void xml_printf(int *retval, char **xml, int *pos, int *size, const char *fmt, ...)
/* print out a string and allocate more space as needed,
* mainly used for XML at this point
*/
static void xml_printf(int *retval, char **xml, int *pos, int *size,
const char *fmt, ...)
{
if (*retval != ERROR_OK)
{
@ -1591,7 +1613,7 @@ static int decode_xfer_read(char *buf, char **annex, int *ofs, unsigned int *len
return 0;
}
int gdb_calc_blocksize(struct flash_bank *bank)
static int gdb_calc_blocksize(struct flash_bank *bank)
{
uint32_t i;
uint32_t block_size = 0xffffffff;
@ -1625,7 +1647,8 @@ static int compare_bank (const void * a, const void * b)
}
}
int gdb_query_packet(struct connection *connection, struct target *target, char *packet, int packet_size)
static int gdb_query_packet(struct connection *connection,
struct target *target, char *packet, int packet_size)
{
struct command_context *cmd_ctx = connection->cmd_ctx;
struct gdb_connection *gdb_connection = connection->priv;
@ -1881,7 +1904,8 @@ int gdb_query_packet(struct connection *connection, struct target *target, char
return ERROR_OK;
}
int gdb_v_packet(struct connection *connection, struct target *target, char *packet, int packet_size)
static int gdb_v_packet(struct connection *connection,
struct target *target, char *packet, int packet_size)
{
struct gdb_connection *gdb_connection = connection->priv;
struct gdb_service *gdb_service = connection->service->priv;
@ -2028,11 +2052,12 @@ int gdb_v_packet(struct connection *connection, struct target *target, char *pac
return ERROR_OK;
}
int gdb_detach(struct connection *connection, struct target *target)
static int gdb_detach(struct connection *connection, struct target *target)
{
struct gdb_service *gdb_service = connection->service->priv;
target_call_event_callbacks(gdb_service->target, TARGET_EVENT_GDB_DETACH);
target_call_event_callbacks(gdb_service->target,
TARGET_EVENT_GDB_DETACH);
return gdb_put_packet(connection, "OK", 2);
}
@ -2052,9 +2077,6 @@ static void gdb_log_callback(void *priv, const char *file, unsigned line,
gdb_output_con(connection, string);
}
/* Do not allocate this on the stack */
char gdb_packet_buffer[GDB_BUFFER_SIZE];
static void gdb_sig_halted(struct connection *connection)
{
char sig_reply[4];
@ -2063,8 +2085,11 @@ static void gdb_sig_halted(struct connection *connection)
}
int gdb_input_inner(struct connection *connection)
static int gdb_input_inner(struct connection *connection)
{
/* Do not allocate this on the stack */
static char gdb_packet_buffer[GDB_BUFFER_SIZE];
struct gdb_service *gdb_service = connection->service->priv;
struct target *target = gdb_service->target;
char *packet = gdb_packet_buffer;
@ -2077,10 +2102,9 @@ int gdb_input_inner(struct connection *connection)
do
{
packet_size = GDB_BUFFER_SIZE-1;
if ((retval = gdb_get_packet(connection, packet, &packet_size)) != ERROR_OK)
{
retval = gdb_get_packet(connection, packet, &packet_size);
if (retval != ERROR_OK)
return retval;
}
/* terminate with zero */
packet[packet_size] = 0;
@ -2112,32 +2136,48 @@ int gdb_input_inner(struct connection *connection)
break;
case 'q':
case 'Q':
retval = gdb_query_packet(connection, target, packet, packet_size);
retval = gdb_query_packet(connection,
target, packet,
packet_size);
break;
case 'g':
retval = gdb_get_registers_packet(connection, target, packet, packet_size);
retval = gdb_get_registers_packet(
connection, target,
packet, packet_size);
break;
case 'G':
retval = gdb_set_registers_packet(connection, target, packet, packet_size);
retval = gdb_set_registers_packet(
connection, target,
packet, packet_size);
break;
case 'p':
retval = gdb_get_register_packet(connection, target, packet, packet_size);
retval = gdb_get_register_packet(
connection, target,
packet, packet_size);
break;
case 'P':
retval = gdb_set_register_packet(connection, target, packet, packet_size);
retval = gdb_set_register_packet(
connection, target,
packet, packet_size);
break;
case 'm':
retval = gdb_read_memory_packet(connection, target, packet, packet_size);
retval = gdb_read_memory_packet(
connection, target,
packet, packet_size);
break;
case 'M':
retval = gdb_write_memory_packet(connection, target, packet, packet_size);
retval = gdb_write_memory_packet(
connection, target,
packet, packet_size);
break;
case 'z':
case 'Z':
retval = gdb_breakpoint_watchpoint_packet(connection, target, packet, packet_size);
break;
case '?':
gdb_last_signal_packet(connection, target, packet, packet_size);
gdb_last_signal_packet(
connection, target,
packet, packet_size);
break;
case 'c':
case 's':
@ -2199,14 +2239,19 @@ int gdb_input_inner(struct connection *connection)
}
break;
case 'v':
retval = gdb_v_packet(connection, target, packet, packet_size);
retval = gdb_v_packet(
connection, target,
packet, packet_size);
break;
case 'D':
retval = gdb_detach(connection, target);
extended_protocol = 0;
break;
case 'X':
if ((retval = gdb_write_memory_binary_packet(connection, target, packet, packet_size)) != ERROR_OK)
retval = gdb_write_memory_binary_packet(
connection, target,
packet, packet_size);
if (retval != ERROR_OK)
return retval;
break;
case 'k':
@ -2261,7 +2306,7 @@ int gdb_input_inner(struct connection *connection)
return ERROR_OK;
}
int gdb_input(struct connection *connection)
static int gdb_input(struct connection *connection)
{
int retval = gdb_input_inner(connection);
struct gdb_connection *gdb_con = connection->priv;
@ -2297,8 +2342,7 @@ static int gdb_target_start(struct target *target, uint16_t port)
return ERROR_OK;
}
/* FIXME static */
int gdb_target_add_one(struct target *target)
static int gdb_target_add_one(struct target *target)
{
if (gdb_port == 0 && server_use_pipes == 0)
{

1
src/server/gdb_server.h
View File

@ -36,7 +36,6 @@ struct gdb_service
struct target *target;
};
int gdb_target_add_one(struct target *target);
int gdb_target_add_all(struct target *target);
int gdb_register_commands(struct command_context *command_context);