void
x_cgo_callers(uintptr_t sig, void *info, void *context, void (*cgoTraceback)(struct cgoTracebackArg*), uintptr_t* cgoCallers, void (*sigtramp)(uintptr_t, void*, void*)) {
	struct cgoTracebackArg arg;

	arg.Context = 0;
	arg.SigContext = (uintptr_t)(context);
	arg.Buf = cgoCallers;
	arg.Max = 32; // must match len(runtime.cgoCallers)

#if __has_feature(memory_sanitizer)
        // This function is called directly from the signal handler.