/* process format string */
/* TODO: possible bug. va_list is undefined after the first call to vsnprintf */
while (!buffer || (n = vsnprintf(buffer, size, format, ap)) >= size)
- {
+ {
/* increase buffer until it fits the whole string */
if (!(p = realloc(buffer, size += 4096)))
{
return ERROR_OK;
}
-int command_run_line(command_context_t *context, char *line)
+static int command_run_line_inner(command_context_t *context, char *line)
{
int nwords;
char *words[128] = {0};
return retval;
}
+int command_run_line(command_context_t *context, char *line)
+{
+ int retval=command_run_line_inner(context, line);
+ // we don't want any dangling callbacks!
+ //
+ // Capturing output from logging is *very* loosly modeled on C/C++ exceptions.
+ // the capture must be set up at function entry and
+ // stops when the function call returns
+ log_setCallback(NULL, NULL);
+ return retval;
+}
int command_run_file(command_context_t *context, FILE *file, enum command_mode mode)
{
int retval = ERROR_OK;
break;
/* run line */
- if ((retval = command_run_line(context, cmd)) == ERROR_COMMAND_CLOSE_CONNECTION)
+ if ((retval = command_run_line_inner(context, cmd)) == ERROR_COMMAND_CLOSE_CONNECTION)
break;
}
static FILE* log_output;
+
+static void *privData;
+static logCallback callback;
+
+void log_setCallback(logCallback c, void *p)
+{
+ callback=c;
+ privData=p;
+}
+
static char *log_strings[4] =
{
"Error: ",
fflush(log_output);
va_end(args);
-}
-void short_log_printf(enum log_levels level, const char *format, ...)
+ if (callback)
{
- va_list args;
- char buffer[512];
-
- if (level > debug_level)
- return;
-
va_start(args, format);
- vsnprintf(buffer, 512, format, args);
- fprintf(log_output, "%s %s\n", log_strings[level], buffer);
- fflush(log_output);
+ callback(privData, file, line, function, format, args);
va_end(args);
}
+}
+
/* change the current debug level on the fly
* 0: only ERRORS
* 1: + WARNINGS
return ERROR_OK;
}
+
+int set_log_output(struct command_context_s *cmd_ctx, FILE *output)
+{
+ log_output=output;
+ return ERROR_OK;
+}
+
+/* return allocated string w/printf() result */
+char *allocPrintf(const char *fmt, va_list ap)
+{
+ char *string=NULL;
+ int size=0; // start by 0 to exercise all the code paths. Need minimum 2 bytes to fit 1 char and 0 terminator.
+ int first=1;
+ for (;;)
+ {
+ if ((string==NULL)||(!first))
+ {
+ size=size*2+2;
+ char *t=string;
+ string=realloc(string, size);
+ if (string==NULL)
+ {
+ if (t!=NULL)
+ free(t);
+ return NULL;
+ }
+ }
+
+ int ret;
+ ret = vsnprintf(string, size, fmt, ap);
+ // NB! The result of the vsnprintf() might be an *EMPTY* string!
+ if ((ret>=0)&&((ret+1)<size))
+ {
+ return string;
+ }
+ // there was just enough or not enough space, allocate more.
+ first=0;
+ }
+}
__attribute__ ((format (printf, 5, 6)));
extern int log_register_commands(struct command_context_s *cmd_ctx);
extern int log_init(struct command_context_s *cmd_ctx);
+extern int set_log_output(struct command_context_s *cmd_ctx, FILE *output);
+
+typedef void (*logCallback)(void *privData, const char *file, int line,
+ const char *function, const char *format, va_list args);
+
+void log_setCallback(logCallback callback, void *privData);
extern int debug_level;
log_printf (LOG_ERROR, __FILE__, __LINE__, __FUNCTION__, expr); \
} while(0)
-#define SDEBUG(expr ...) \
- do { \
- short_log_printf (LOG_DEBUG, expr); \
- } while(0)
-
-#define SINFO(expr ...) \
- do { \
- short_log_printf (LOG_INFO, expr); \
- } while(0)
-
-#define SWARNING(expr ...) \
- do { \
- short_log_printf (LOG_WARNING, expr); \
- } while(0)
-
-#define SERROR(expr ...) \
- do { \
- short_log_printf (LOG_ERROR, expr); \
- } while(0)
/* general failures
* error codes < 100
#define ERROR_NO_CONFIG_FILE (-2)
#define ERROR_BUF_TOO_SMALL (-3)
-#endif /* ERROR_H */
+char *allocPrintf(const char *fmt, va_list ap);
+
+
+#endif /* LOG_H */
static unsigned short gdb_port;
+static void gdb_log_callback(void *privData, const char *file, int line,
+ const char *function, const char *format, va_list args);
+
+
enum gdb_detach_mode
{
GDB_DETACH_RESUME,
return ERROR_OK;
}
-int gdb_put_packet(connection_t *connection, char *buffer, int len)
+int gdb_put_packet_inner(connection_t *connection, char *buffer, int len)
{
int i;
unsigned char my_checksum = 0;
return ERROR_OK;
}
-int gdb_get_packet(connection_t *connection, char *buffer, int *len)
+int gdb_put_packet(connection_t *connection, char *buffer, int len)
+{
+ gdb_connection_t *gdb_connection = connection->priv;
+ gdb_connection->output_disable=1;
+ int retval=gdb_put_packet_inner(connection, buffer, len);
+ gdb_connection->output_disable=0;
+ return retval;
+}
+
+int gdb_get_packet_inner(connection_t *connection, char *buffer, int *len)
{
int character;
- int count;
+ int count = 0;
int retval;
char checksum[3];
unsigned char my_checksum = 0;
} while (character != '$');
my_checksum = 0;
- count = 0;
+ count=0;
+ gdb_connection_t *gdb_con = connection->priv;
for (;;)
{
/* The common case is that we have an entire packet with no escape chars.
return ERROR_OK;
}
-int gdb_output(struct command_context_s *context, char* line)
+int gdb_get_packet(connection_t *connection, char *buffer, int *len)
{
- connection_t *connection = context->output_handler_priv;
gdb_connection_t *gdb_connection = connection->priv;
+ gdb_connection->output_disable=1;
+ int retval=gdb_get_packet_inner(connection, buffer, len);
+ gdb_connection->output_disable=0;
+ return retval;
+}
+int gdb_output_con(connection_t *connection, char* line)
+{
+ gdb_connection_t *gdb_connection = connection->priv;
char *hex_buffer;
int i, bin_size;
return ERROR_OK;
}
+int gdb_output(struct command_context_s *context, char* line)
+{
+ connection_t *connection = context->output_handler_priv;
+ return gdb_output_con(connection, line);
+}
+
int gdb_program_handler(struct target_s *target, enum target_event event, void *priv)
{
FILE *script;
case TARGET_EVENT_HALTED:
if (gdb_connection->frontend_state == TARGET_RUNNING)
{
+ // stop forwarding log packets!
+ log_setCallback(NULL, NULL);
+
if (gdb_connection->ctrl_c)
{
signal = 0x2;
case ERROR_TARGET_NOT_HALTED:
ERROR("gdb tried to read memory but we're not halted, dropping connection");
return ERROR_SERVER_REMOTE_CLOSED;
- break;
case ERROR_TARGET_DATA_ABORT:
gdb_send_error(connection, EIO);
break;
cmd[i] = tmp;
}
cmd[(packet_size - 6)/2] = 0x0;
+
+ /* We want to print all debug output to GDB connection */
+ log_setCallback(gdb_log_callback, connection);
target_call_timer_callbacks();
command_run_line(cmd_ctx, cmd);
free(cmd);
return ERROR_OK;
}
+
+
+static void gdb_log_callback(void *privData, const char *file, int line,
+ const char *function, const char *format, va_list args)
+{
+ connection_t *connection=(connection_t *)privData;
+
+ char *t=allocPrintf(format, args);
+ if (t==NULL)
+ return;
+
+ gdb_output_con(connection, t);
+
+ free(t);
+}
+
int gdb_input(connection_t *connection)
{
gdb_service_t *gdb_service = connection->service->priv;
break;
case 'c':
case 's':
+ /* We're running/stepping, in which case we can
+ * forward log output until the target is halted */
+ log_setCallback(gdb_log_callback, connection);
gdb_step_continue_packet(connection, target, packet, packet_size);
break;
case 'v':
write_socket(connection->fd, t_con->prompt, strlen(t_con->prompt));
}
+int telnet_outputline(connection_t *connection, char* line)
+{
+ write_socket(connection->fd, line, strlen(line));
+ return write_socket(connection->fd, "\r\n\0", 3);
+}
+
int telnet_output(struct command_context_s *cmd_ctx, char* line)
{
connection_t *connection = cmd_ctx->output_handler_priv;
return ERROR_OK;
}
+void telnet_log_callback(void *privData, const char *file, int line,
+ const char *function, const char *format, va_list args)
+{
+ connection_t *connection=(connection_t *)privData;
+ char *t=allocPrintf(format, args);
+ if (t==NULL)
+ return;
+
+ telnet_outputline(connection, t);
+
+ free(t);
+}
+
int telnet_target_callback_event_handler(struct target_s *target, enum target_event event, void *priv)
{
struct command_context_s *cmd_ctx = priv;
continue;
}
+
+
+ log_setCallback(telnet_log_callback, connection);
+
if ((retval = command_run_line(command_context, t_con->line)) != ERROR_OK)
{
if (retval == ERROR_COMMAND_CLOSE_CONNECTION)
projects / openocd / commitdiff