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py: Fix stack underflow with optimised for loop.

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Damien George
2014-05-31 17:59:11 +01:00
parent 049a01d148
commit 5b5562c1d1
3 changed files with 11 additions and 4 deletions
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6
py/vm.c
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@@ -159,8 +159,8 @@ mp_vm_return_kind_t mp_execute_bytecode(const byte *code, const mp_obj_t *args,
#if DETECT_VM_STACK_OVERFLOW
if (vm_return_kind == MP_VM_RETURN_NORMAL) {
if (sp != state) {
printf("Stack misalign: %d\n", sp - state);
if (sp < state) {
printf("VM stack underflow: " INT_FMT "\n", sp - state);
assert(0);
}
}
@@ -178,7 +178,7 @@ mp_vm_return_kind_t mp_execute_bytecode(const byte *code, const mp_obj_t *args,
}
}
if (overflow) {
printf("VM stack overflow state=%p n_state+1=%u\n", state, n_state);
printf("VM stack overflow state=%p n_state+1=" UINT_FMT "\n", state, n_state);
assert(0);
}
}