Feature #11435 ยป 0001-iseq-implement-memsize-for-wrapper.patch
iseq.c | ||
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#define ISEQ_MINOR_VERSION 2
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VALUE rb_cISeq;
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ID iseqw_iseq_key;
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#define hidden_obj_p(obj) (!SPECIAL_CONST_P(obj) && !RBASIC(obj)->klass)
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... | ... | |
RUBY_MARK_LEAVE("iseq");
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}
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#if 0 /* TODO */
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static size_t
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param_keyword_size(const struct rb_iseq_param_keyword *pkw)
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{
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size_t size = 0;
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if (!pkw) return size;
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size += sizeof(struct rb_iseq_param_keyword);
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size += sizeof(VALUE) * (pkw->num - pkw->required_num);
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return size;
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}
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static size_t
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iseq_memsize(const void *ptr)
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{
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size_t size = sizeof(rb_iseq_t);
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const rb_iseq_t *iseq = ptr;
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size_t size = 0; /* struct already counted as RVALUE size */
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const struct rb_iseq_variable_body *variable_body;
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const struct rb_iseq_constant_body *body;
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const struct iseq_compile_data *compile_data;
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if (ptr) {
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const rb_iseq_t *iseq = ptr;
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variable_body = iseq->variable_body;
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body = iseq->body;
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size += iseq->body->iseq_size * sizeof(VALUE);
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size += iseq->body->line_info_size * sizeof(struct iseq_line_info_entry);
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size += iseq->body->local_table_size * sizeof(ID);
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if (iseq->body->catch_table) {
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size += iseq_catch_table_bytes(iseq->body->catch_table->size);
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if (variable_body) {
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size += sizeof(struct rb_iseq_variable_body);
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if (variable_body->iseq && body) {
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size += body->iseq_size * sizeof(VALUE);
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}
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size += (iseq->body->param.opt_num + 1) * sizeof(VALUE);
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if (iseq->body->param.keyword != NULL) {
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size += sizeof(struct rb_iseq_param_keyword);
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size += sizeof(VALUE) * (iseq->body->param.keyword->num - iseq->body->param.keyword->required_num);
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}
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if (body) {
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size += sizeof(struct rb_iseq_constant_body);
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size += body->iseq_size * sizeof(VALUE);
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size += body->line_info_size * sizeof(struct iseq_line_info_entry);
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size += body->local_table_size * sizeof(ID);
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if (body->catch_table) {
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size += iseq_catch_table_bytes(body->catch_table->size);
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}
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size += iseq->body->is_size * sizeof(union iseq_inline_storage_entry);
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size += iseq->body->callinfo_size * sizeof(rb_call_info_t);
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size += (body->param.opt_num + 1) * sizeof(VALUE);
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size += param_keyword_size(body->param.keyword);
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size += body->is_size * sizeof(union iseq_inline_storage_entry);
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size += body->callinfo_size * sizeof(rb_call_info_t);
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}
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if (iseq->compile_data) {
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struct iseq_compile_data_storage *cur;
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compile_data = iseq->compile_data;
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if (compile_data) {
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struct iseq_compile_data_storage *cur;
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cur = iseq->compile_data->storage_head;
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while (cur) {
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size += cur->size + SIZEOF_ISEQ_COMPILE_DATA_STORAGE;
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cur = cur->next;
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}
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size += sizeof(struct iseq_compile_data);
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}
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if (iseq->body->iseq) {
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size += iseq->body->iseq_size * sizeof(VALUE);
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size += sizeof(struct iseq_compile_data);
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cur = compile_data->storage_head;
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while (cur) {
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size += cur->size + SIZEOF_ISEQ_COMPILE_DATA_STORAGE;
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cur = cur->next;
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}
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}
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return size;
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}
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#endif
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static rb_iseq_t *
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iseq_alloc(void)
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... | ... | |
/* define wrapper class methods (RubyVM::InstructionSequence) */
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static void
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iseqw_mark(void *ptr)
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{
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rb_gc_mark((VALUE)ptr);
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}
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static const rb_data_type_t iseqw_data_type = {
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"T_IMEMO/iseq",
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{iseqw_mark, NULL, iseq_memsize,},
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0, 0, RUBY_TYPED_FREE_IMMEDIATELY
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};
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static VALUE
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iseqw_new(const rb_iseq_t *iseq)
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{
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VALUE iseqw = rb_obj_alloc(rb_cISeq);
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rb_ivar_set(iseqw, iseqw_iseq_key, (VALUE)iseq);
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return iseqw;
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union { const rb_iseq_t *in; void *out; } deconst;
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deconst.in = iseq;
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return TypedData_Wrap_Struct(rb_cISeq, &iseqw_data_type, deconst.out);
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}
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VALUE
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... | ... | |
static const rb_iseq_t *
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iseqw_check(VALUE iseqw)
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{
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const rb_iseq_t *iseq = (rb_iseq_t *)rb_ivar_get(iseqw, iseqw_iseq_key);
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const rb_iseq_t *iseq = DATA_PTR(iseqw);
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if (!iseq->body->location.label) {
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rb_raise(rb_eTypeError, "uninitialized InstructionSequence");
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... | ... | |
rb_define_singleton_method(rb_cISeq, "disasm", iseqw_s_disasm, 1);
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rb_define_singleton_method(rb_cISeq, "disassemble", iseqw_s_disasm, 1);
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rb_define_singleton_method(rb_cISeq, "of", iseqw_s_of, 1);
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iseqw_iseq_key = rb_intern("T_IMEMO/iseq");
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}
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test/objspace/test_objspace.rb | ||
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assert_not_empty(res)
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end
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def test_memsize_of_iseq
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iseqw = RubyVM::InstructionSequence.compile('def a; a = :b; end')
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base_obj_size = ObjectSpace.memsize_of(Object.new)
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assert_operator(ObjectSpace.memsize_of(iseqw), :>, base_obj_size)
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end
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def test_reachable_objects_from
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assert_separately %w[--disable-gem -robjspace], __FILE__, __LINE__, <<-'eom'
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assert_equal(nil, ObjectSpace.reachable_objects_from(nil))
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-
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