static size_t
vm_memsize(const void *ptr)
{
if (ptr) {
const rb_vm_t *vmobj = ptr;
return sizeof(rb_vm_t) + st_memsize(vmobj->living_threads);
}
else {
return 0;
}
}
static size_t
fiber_memsize(const void *ptr)
{
const rb_fiber_t *fib = ptr;
size_t size = 0;
if (ptr) {
size = sizeof(*fib);
if (fib->cont.type != ROOT_FIBER_CONTEXT) {
size += st_memsize(fib->cont.saved_thread.local_storage);
}
size += cont_memsize(&fib->cont);
}
return 0;
}
static size_t
thread_memsize(const void *ptr)
{
if (ptr) {
const rb_thread_t *th = ptr;
size_t size = sizeof(rb_thread_t);
if (!th->root_fiber) {
size += th->stack_size * sizeof(VALUE);
}
if (th->local_storage) {
st_memsize(th->local_storage);
}
return size;
}
else {
return 0;
}
}
static size_t
memsize_of(VALUE obj)
{
size_t size = 0;
if (SPECIAL_CONST_P(obj)) {
return 0;
}
if (FL_TEST(obj, FL_EXIVAR)) {
size += rb_generic_ivar_memsize(obj);
}
switch (BUILTIN_TYPE(obj)) {
case T_OBJECT:
if (!(RBASIC(obj)->flags & ROBJECT_EMBED) &&
ROBJECT(obj)->as.heap.ivptr) {
size += ROBJECT(obj)->as.heap.numiv * sizeof(VALUE);
}
break;
case T_MODULE:
case T_CLASS:
size += st_memsize(RCLASS_M_TBL(obj));
if (RCLASS_IV_TBL(obj)) {
size += st_memsize(RCLASS_IV_TBL(obj));
}
if (RCLASS_IV_INDEX_TBL(obj)) {
size += st_memsize(RCLASS_IV_INDEX_TBL(obj));
}
if (RCLASS(obj)->ptr->iv_tbl) {
size += st_memsize(RCLASS(obj)->ptr->iv_tbl);
}
if (RCLASS(obj)->ptr->const_tbl) {
size += st_memsize(RCLASS(obj)->ptr->const_tbl);
}
size += sizeof(rb_classext_t);
break;
case T_STRING:
size += rb_str_memsize(obj);
break;
case T_ARRAY:
size += rb_ary_memsize(obj);
break;
case T_HASH:
if (RHASH(obj)->ntbl) {
size += st_memsize(RHASH(obj)->ntbl);
}
break;
case T_REGEXP:
if (RREGEXP(obj)->ptr) {
size += onig_memsize(RREGEXP(obj)->ptr);
}
break;
case T_DATA:
size += rb_objspace_data_type_memsize(obj);
break;
case T_MATCH:
if (RMATCH(obj)->rmatch) {
struct rmatch *rm = RMATCH(obj)->rmatch;
size += sizeof(struct re_registers); /* TODO: onig_region_memsize(&rm->regs); */
size += sizeof(struct rmatch_offset) * rm->char_offset_num_allocated;
size += sizeof(struct rmatch);
}
break;
case T_FILE:
if (RFILE(obj)->fptr) {
size += rb_io_memsize(RFILE(obj)->fptr);
}
break;
case T_RATIONAL:
case T_COMPLEX:
break;
case T_ICLASS:
/* iClass shares table with the module */
break;
case T_FLOAT:
break;
case T_BIGNUM:
if (!(RBASIC(obj)->flags & RBIGNUM_EMBED_FLAG) && RBIGNUM_DIGITS(obj)) {
size += RBIGNUM_LEN(obj) * sizeof(BDIGIT);
}
break;
case T_NODE:
switch (nd_type(obj)) {
case NODE_SCOPE:
if (RNODE(obj)->u1.tbl) {
/* TODO: xfree(RANY(obj)->as.node.u1.tbl); */
}
break;
case NODE_ALLOCA:
/* TODO: xfree(RANY(obj)->as.node.u1.node); */
;
}
break; /* no need to free iv_tbl */
case T_STRUCT:
if ((RBASIC(obj)->flags & RSTRUCT_EMBED_LEN_MASK) == 0 &&
RSTRUCT(obj)->as.heap.ptr) {
size += sizeof(VALUE) * RSTRUCT_LEN(obj);
}
break;
case T_ZOMBIE:
break;
default:
rb_bug("objspace/memsize_of(): unknown data type 0x%x(%p)",
BUILTIN_TYPE(obj), (void*)obj);
}
return size;
}
