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bcheck: add structs to local regions

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int test()
{
  struct { int i; } s = { 42 };
  return s.i; // bound checked
}
This commit is contained in:
Pavlas, Zdenek 2016-11-09 04:03:17 -08:00
parent cdf715a0b5
commit 550e861bf7
1 changed files with 2 additions and 2 deletions
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4
tccgen.c
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@ -6234,7 +6234,7 @@ static void decl_initializer_alloc(CType *type, AttributeDef *ad, int r,
if ((r & VT_VALMASK) == VT_LOCAL) {
sec = NULL;
#ifdef CONFIG_TCC_BCHECK
if (tcc_state->do_bounds_check && (type->t & VT_ARRAY)) {
if (tcc_state->do_bounds_check && ((type->t & VT_ARRAY) || (type->t & VT_BTYPE) == VT_STRUCT)) {
loc--;
}
#endif
@ -6244,7 +6244,7 @@ static void decl_initializer_alloc(CType *type, AttributeDef *ad, int r,
/* handles bounds */
/* XXX: currently, since we do only one pass, we cannot track
'&' operators, so we add only arrays */
if (tcc_state->do_bounds_check && (type->t & VT_ARRAY)) {
if (tcc_state->do_bounds_check && ((type->t & VT_ARRAY) || (type->t & VT_BTYPE) == VT_STRUCT)) {
addr_t *bounds_ptr;
/* add padding between regions */
loc--;