+ /* Some targets require evaluating the stack to determine the
+ * actual stack pointer for a process. If this field is NULL,
+ * just use stacking->stack_registers_size * stack_growth_direction
+ * to calculate adjustment.
+ */
+ int64_t (*calculate_process_stack)(struct target *target,
+ const uint8_t *stack_data,
+ const struct rtos_register_stacking *stacking,
+ int64_t stack_ptr);