diff --git a/src/rtos/rtos.c b/src/rtos/rtos.c
index 2e76b501a..dfa158d01 100644
--- a/src/rtos/rtos.c
+++ b/src/rtos/rtos.c
@@ -632,7 +632,10 @@ int rtos_generic_stack_read(struct target *target,
 
 	if (stacking->stack_growth_direction == 1)
 		address -= stacking->stack_registers_size;
-	retval = target_read_buffer(target, address, stacking->stack_registers_size, stack_data);
+	if (stacking->read_stack)
+		retval = stacking->read_stack(target, address, stacking, stack_data);
+	else
+		retval = target_read_buffer(target, address, stacking->stack_registers_size, stack_data);
 	if (retval != ERROR_OK) {
 		free(stack_data);
 		LOG_ERROR("Error reading stack frame from thread");
diff --git a/src/rtos/rtos.h b/src/rtos/rtos.h
index ace57514a..9128c163c 100644
--- a/src/rtos/rtos.h
+++ b/src/rtos/rtos.h
@@ -102,6 +102,13 @@ struct rtos_register_stacking {
 		const struct rtos_register_stacking *stacking,
 		target_addr_t stack_ptr);
 	const struct stack_register_offset *register_offsets;
+	/* Optional field for targets which may have to implement their own stack read function.
+	 * Because stack format can be weird or stack data needed to be edited before passing to the gdb.
+	 */
+	int (*read_stack)(struct target *target,
+		int64_t stack_ptr,
+		const struct rtos_register_stacking *stacking,
+		uint8_t *stack_data);
 };
 
 #define GDB_THREAD_PACKET_NOT_CONSUMED (-40)