| 42 | #[repr(C)] |
| 43 | #[derive(Default)] |
| 44 | struct InitialStack { |
| 45 | r4: *mut u8, |
| 46 | r5: *mut u8, |
| 47 | r6: *mut u8, |
| 48 | r7: *mut u8, |
| 49 | r8: *mut u8, |
| 50 | r9: *mut u8, |
| 51 | r10: *mut u8, |
| 52 | r11: *mut u8, |
| 53 | lr: *mut u8, |
| 54 | |
| 55 | // unix.rs reserved space |
| 56 | last_sp: *mut u8, |
| 57 | run_result: *mut u8, |
| 58 | } |
| 59 | |
| 60 | unsafe { |
| 61 | let initial_stack = top_of_stack.cast::<InitialStack>().sub(1); |