static void variable_changed_cb(struct ConfigVariable *variable)
{
/* User switched source/disasm mode. Request a frame update
so the appropriate data is displayed in the source window. */
if (!strcmp(variable->name, "disasm"))
tgdb_request_current_location(tgdb);
}
struct tgdb *tgdb_initialize(const char *debugger,
int argc, char **argv, int *debugger_fd, tgdb_callbacks callbacks)
{
/* Initialize the libtgdb context */
struct tgdb *tgdb = initialize_tgdb_context(callbacks);
static struct annotations_parser_callbacks annotations_callbacks = {
tgdb,
tgdb_breakpoints_changed,
tgdb_source_location_changed,
tgdb_prompt_changed,
tgdb_console_output,
tgdb_command_error,
tgdb_console_at_prompt
};
tgdb->debugger_pid = invoke_debugger(debugger, argc, argv,
&tgdb->debugger_stdin, &tgdb->debugger_stdout, 0);
/* Couldn't invoke process */
if (tgdb->debugger_pid == -1)
return NULL;
tgdb->c = commands_initialize(tgdb);
tgdb->parser = annotations_parser_initialize(annotations_callbacks);
tgdb_open_new_tty(tgdb, &tgdb->inferior_stdin, &tgdb->inferior_stdout);
/* Need to get source information before breakpoint information otherwise
* the TGDB_UPDATE_BREAKPOINTS event will be ignored in process_commands()
* because there are no source files to add the breakpoints to.
*/
tgdb_request_current_location(tgdb);
/* gdb may already have some breakpoints when it starts. This could happen
* if the user puts breakpoints in there .gdbinit.
* This makes sure that TGDB asks for the breakpoints on start up.
*/
tgdb_issue_request(tgdb, TGDB_REQUEST_BREAKPOINTS, true);
/**
* Query if disassemble supports the /s flag
*/
tgdb_issue_request(tgdb, TGDB_REQUEST_DATA_DISASSEMBLE_MODE_QUERY, true);
*debugger_fd = tgdb->debugger_stdout;
return tgdb;
}
/* start_gdb: Starts up libtgdb
* Returns: -1 on error, 0 on success
*/
static int start_gdb(int argc, char *argv[])
{
tgdb_request_ptr request_ptr;
tgdb = tgdb_initialize(debugger_path, argc, argv, &gdb_fd, &tty_fd);
if (tgdb == NULL)
return -1;
/* Run some initialize commands */
/* gdb may already have some breakpoints when it starts. This could happen
* if the user puts breakpoints in there .gdbinit.
* This makes sure that TGDB asks for the breakpoints on start up.
*/
/**
* Get the filename GDB defaults to.
*/
request_ptr = tgdb_request_current_location(tgdb, 1);
if (handle_request(tgdb, request_ptr) == -1)
return -1;
return 0;
}
static void tgdb_source_location_changed(void *context)
{
struct tgdb *tgdb = (struct tgdb*)context;
tgdb_request_current_location(tgdb);
}
