C++ (Cpp) GC_FORWARD Examples

Example #1

File: gc.c Project: adamsanderson/potion

static PN_SIZE pngc_mark_array(Potion *P, register _PN *x, register long n, int forward) {
  _PN v;
  PN_SIZE i = 0;
  struct PNMemory *M = P->mem;

  while (n--) {
    v = *x;
    if (IS_GC_PROTECTED(v) || IN_BIRTH_REGION(v) || IN_OLDER_REGION(v)) {
      v = potion_fwd(v);
      switch (forward) {
        case 0: // count only
          if (!IS_GC_PROTECTED(v) && IN_BIRTH_REGION(v) && HAS_REAL_TYPE(v))
            i++;
        break;
        case 1: // minor
          if (!IS_GC_PROTECTED(v) && IN_BIRTH_REGION(v) && HAS_REAL_TYPE(v)) {
            GC_FORWARD(x, v);
            i++;
          }
        break;
        case 2: // major
          if (!IS_GC_PROTECTED(v) && (IN_BIRTH_REGION(v) || IN_OLDER_REGION(v)) && HAS_REAL_TYPE(v)) {
            GC_FORWARD(x, v);
            i++;
          }
        break;
      }
    }
    x++;
  }
  return i;
}

Example #2

File: gc.c Project: KoreanFoodComics/potion

ATTRIBUTE_NO_ADDRESS_SAFETY_ANALYSIS
static PN_SIZE pngc_mark_array(Potion *P, register _PN *x, register long n, int type) {
  _PN v;
  PN_SIZE i = 0;
  struct PNMemory *M = P->mem;

  while (n--) {
    v = *x;
    if (IS_GC_PROTECTED(v) || IN_BIRTH_REGION(v) || IN_OLDER_REGION(v)) {
      v = potion_fwd(v);
      switch (type) {
        case 0: // count only
          if (!IS_GC_PROTECTED(v) && IN_BIRTH_REGION(v) && HAS_REAL_TYPE(v)) {
            i++;
            DBG_Gv(P,"GC mark count only %p %6x\n", x, PN_TYPE(*x));
	  }
        break;
        case 1: // minor
          if (!IS_GC_PROTECTED(v) && IN_BIRTH_REGION(v) && HAS_REAL_TYPE(v)) {
            GC_FORWARD(x, v);
            i++;
            DBG_Gv(P,"GC mark minor %p -> 0x%lx %6x\n", x, v, PN_TYPE(*x));
          }
        break;
        case 2: // major
          if (!IS_GC_PROTECTED(v) && (IN_BIRTH_REGION(v) || IN_OLDER_REGION(v)) && HAS_REAL_TYPE(v)) {
            GC_FORWARD(x, v);
            i++;
            DBG_Gv(P,"GC mark major %p -> 0x%lx %6x\n", x, v, PN_TYPE(*x));
          }
        break;
      }
    }
    x++;
  }
  return i;
}