diff options
Diffstat (limited to 'py/stackctrl.c')
| -rw-r--r-- | py/stackctrl.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/py/stackctrl.c b/py/stackctrl.c index 83d1faeb9..1c46a9434 100644 --- a/py/stackctrl.c +++ b/py/stackctrl.c @@ -31,6 +31,8 @@ #include "py/stackctrl.h" void mp_stack_ctrl_init(void) { + // Force routine to not be inlined. Better guarantee than MP_NOINLINE for -flto. + asm(""); volatile int stack_dummy; MP_STATE_THREAD(stack_top) = (char*)&stack_dummy; } @@ -41,6 +43,8 @@ void mp_stack_set_top(void *top) { mp_uint_t mp_stack_usage(void) { // Assumes descending stack + // Force routine to not be inlined. Better guarantee than MP_NOINLINE for -flto. + asm(""); volatile int stack_dummy; return MP_STATE_THREAD(stack_top) - (char*)&stack_dummy; } |