IRAM NOINSTR static void handle_exception(struct regfile *regs) {
xthal_set_intenable(0);
#if defined(ESP_COREDUMP) && !defined(ESP_COREDUMP_NOAUTO)
fprintf(stderr, "Dumping core\n");
esp_dump_core(regs);
#else
printf("if you want to dump core, type 'y'");
#ifdef ESP_GDB_SERVER
printf(", or ");
#endif
#endif
#ifdef ESP_GDB_SERVER
printf("connect with gdb now\n");
#endif
#if defined(ESP_COREDUMP_NOAUTO) || defined(ESP_GDB_SERVER)
{
int ch;
while ((ch = blocking_read_uart())) {
if (ch == 'y') {
esp_dump_core(regs);
} else if (ch == '$') {
/* we got a GDB packet, speed up retransmission by nacking */
printf("-");
gdb_server(regs);
break;
}
}
}
#endif
}
void *gdb_listener(void *arg) {
int fd;
if ((fd = socket_listen_tcp(5555)) < 0) {
xprintf(XGDB, "gdb_listener() cannot bind to 5555\n");
return NULL;
}
for (;;) {
int s = accept(fd, NULL, NULL);
if (s >= 0) {
gdb_server(s);
close(s);
}
}
return NULL;
}
int cmd_gdb(char **arg)
{
char *port_text = get_arg(arg);
address_t port = 2000;
if (port_text && expr_eval(port_text, &port) < 0) {
printc_err("gdb: can't parse port: %s\n", port_text);
return -1;
}
if (port <= 0 || port > 65535) {
printc_err("gdb: invalid port: %d\n", port);
return -1;
}
do {
if (gdb_server(port) < 0)
return -1;
} while (opdb_get_boolean("gdb_loop"));
return 0;
}
