rtos: turn stack alignment into a function pointer

[openocd.git] / src / rtos / rtos.h

diff --git a/src/rtos/rtos.h b/src/rtos/rtos.h
index 7750f3c7fa8ee4c8227bff53b1b146e839002560..d082fb7a72eedfac16b8b1bf9c405cd7d4b3e2d2 100644 (file)
--- a/src/rtos/rtos.h
+++ b/src/rtos/rtos.h
@@ -83,7 +83,15 @@ struct rtos_register_stacking {
        unsigned char stack_registers_size;
        signed char stack_growth_direction;
        unsigned char num_output_registers;
-       unsigned char stack_alignment;
+       /* 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);
        const struct stack_register_offset *register_offsets;
 };