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-rw-r--r--deps/v8/src/objects-printer.cc300
1 files changed, 181 insertions, 119 deletions
diff --git a/deps/v8/src/objects-printer.cc b/deps/v8/src/objects-printer.cc
index 83e00b9f5f..1f10b9235d 100644
--- a/deps/v8/src/objects-printer.cc
+++ b/deps/v8/src/objects-printer.cc
@@ -7,6 +7,7 @@
#include <iomanip>
#include <memory>
+#include "src/bootstrapper.h"
#include "src/disasm.h"
#include "src/disassembler.h"
#include "src/interpreter/bytecodes.h"
@@ -149,11 +150,14 @@ void HeapObject::HeapObjectPrint(std::ostream& os) { // NOLINT
case JS_SPECIAL_API_OBJECT_TYPE:
case JS_CONTEXT_EXTENSION_OBJECT_TYPE:
case JS_GENERATOR_OBJECT_TYPE:
- case JS_PROMISE_TYPE:
case JS_ARGUMENTS_TYPE:
case JS_ERROR_TYPE:
+ case JS_PROMISE_CAPABILITY_TYPE:
JSObject::cast(this)->JSObjectPrint(os);
break;
+ case JS_PROMISE_TYPE:
+ JSPromise::cast(this)->JSPromisePrint(os);
+ break;
case JS_ARRAY_TYPE:
JSArray::cast(this)->JSArrayPrint(os);
break;
@@ -232,9 +236,6 @@ void HeapObject::HeapObjectPrint(std::ostream& os) { // NOLINT
case JS_TYPED_ARRAY_TYPE:
JSTypedArray::cast(this)->JSTypedArrayPrint(os);
break;
- case JS_FIXED_ARRAY_ITERATOR_TYPE:
- JSFixedArrayIterator::cast(this)->JSFixedArrayIteratorPrint(os);
- break;
case JS_DATA_VIEW_TYPE:
JSDataView::cast(this)->JSDataViewPrint(os);
break;
@@ -326,43 +327,39 @@ void FixedTypedArray<Traits>::FixedTypedArrayPrint(
os << "fixed " << Traits::Designator();
}
-
-void JSObject::PrintProperties(std::ostream& os) { // NOLINT
+bool JSObject::PrintProperties(std::ostream& os) { // NOLINT
if (HasFastProperties()) {
DescriptorArray* descs = map()->instance_descriptors();
- for (int i = 0; i < map()->NumberOfOwnDescriptors(); i++) {
- os << "\n ";
+ int i = 0;
+ for (; i < map()->NumberOfOwnDescriptors(); i++) {
+ os << "\n ";
descs->GetKey(i)->NamePrint(os);
os << ": ";
- switch (descs->GetType(i)) {
- case DATA: {
- FieldIndex index = FieldIndex::ForDescriptor(map(), i);
- if (IsUnboxedDoubleField(index)) {
- os << "<unboxed double> " << RawFastDoublePropertyAt(index);
+ PropertyDetails details = descs->GetDetails(i);
+ switch (details.location()) {
+ case kField: {
+ FieldIndex field_index = FieldIndex::ForDescriptor(map(), i);
+ if (IsUnboxedDoubleField(field_index)) {
+ os << "<unboxed double> " << RawFastDoublePropertyAt(field_index);
} else {
- os << Brief(RawFastPropertyAt(index));
+ os << Brief(RawFastPropertyAt(field_index));
}
- os << " (data field at offset " << index.property_index() << ")";
- break;
- }
- case ACCESSOR: {
- FieldIndex index = FieldIndex::ForDescriptor(map(), i);
- os << " (accessor field at offset " << index.property_index() << ")";
break;
}
- case DATA_CONSTANT:
- os << Brief(descs->GetConstant(i)) << " (data constant)";
- break;
- case ACCESSOR_CONSTANT:
- os << Brief(descs->GetCallbacksObject(i)) << " (accessor constant)";
+ case kDescriptor:
+ os << Brief(descs->GetValue(i));
break;
}
+ os << " ";
+ details.PrintAsFastTo(os, PropertyDetails::kForProperties);
}
+ return i > 0;
} else if (IsJSGlobalObject()) {
global_dictionary()->Print(os);
} else {
property_dictionary()->Print(os);
}
+ return true;
}
namespace {
@@ -381,10 +378,8 @@ bool is_the_hole(double maybe_hole) {
return bit_cast<uint64_t>(maybe_hole) == kHoleNanInt64;
}
-} // namespace
-
template <class T, bool print_the_hole>
-static void DoPrintElements(std::ostream& os, Object* object) { // NOLINT
+void DoPrintElements(std::ostream& os, Object* object) { // NOLINT
T* array = T::cast(object);
if (array->length() == 0) return;
int previous_index = 0;
@@ -415,38 +410,42 @@ static void DoPrintElements(std::ostream& os, Object* object) { // NOLINT
}
}
+void PrintFixedArrayElements(std::ostream& os, FixedArray* array) {
+ // Print in array notation for non-sparse arrays.
+ Object* previous_value = array->get(0);
+ Object* value = nullptr;
+ int previous_index = 0;
+ int i;
+ for (i = 1; i <= array->length(); i++) {
+ if (i < array->length()) value = array->get(i);
+ if (previous_value == value && i != array->length()) {
+ continue;
+ }
+ os << "\n";
+ std::stringstream ss;
+ ss << previous_index;
+ if (previous_index != i - 1) {
+ ss << '-' << (i - 1);
+ }
+ os << std::setw(12) << ss.str() << ": " << Brief(previous_value);
+ previous_index = i;
+ previous_value = value;
+ }
+}
+
+} // namespace
-void JSObject::PrintElements(std::ostream& os) { // NOLINT
+bool JSObject::PrintElements(std::ostream& os) { // NOLINT
// Don't call GetElementsKind, its validation code can cause the printer to
// fail when debugging.
- if (elements()->length() == 0) return;
+ if (elements()->length() == 0) return false;
switch (map()->elements_kind()) {
case FAST_HOLEY_SMI_ELEMENTS:
case FAST_SMI_ELEMENTS:
case FAST_HOLEY_ELEMENTS:
case FAST_ELEMENTS:
case FAST_STRING_WRAPPER_ELEMENTS: {
- // Print in array notation for non-sparse arrays.
- FixedArray* array = FixedArray::cast(elements());
- Object* previous_value = array->get(0);
- Object* value = nullptr;
- int previous_index = 0;
- int i;
- for (i = 1; i <= array->length(); i++) {
- if (i < array->length()) value = array->get(i);
- if (previous_value == value && i != array->length()) {
- continue;
- }
- os << "\n";
- std::stringstream ss;
- ss << previous_index;
- if (previous_index != i - 1) {
- ss << '-' << (i - 1);
- }
- os << std::setw(12) << ss.str() << ": " << Brief(previous_value);
- previous_index = i;
- previous_value = value;
- }
+ PrintFixedArrayElements(os, FixedArray::cast(elements()));
break;
}
case FAST_HOLEY_DOUBLE_ELEMENTS:
@@ -481,6 +480,7 @@ void JSObject::PrintElements(std::ostream& os) { // NOLINT
case NO_ELEMENTS:
break;
}
+ return true;
}
@@ -511,19 +511,19 @@ static void JSObjectPrintHeader(std::ostream& os, JSObject* obj,
static void JSObjectPrintBody(std::ostream& os, JSObject* obj, // NOLINT
bool print_elements = true) {
- os << "\n - properties = {";
- obj->PrintProperties(os);
- os << "\n }\n";
+ os << "\n - properties = " << Brief(obj->properties()) << " {";
+ if (obj->PrintProperties(os)) os << "\n ";
+ os << "}\n";
if (print_elements && obj->elements()->length() > 0) {
- os << " - elements = {";
- obj->PrintElements(os);
- os << "\n }\n";
+ os << " - elements = " << Brief(obj->elements()) << " {";
+ if (obj->PrintElements(os)) os << "\n ";
+ os << "}\n";
}
int internal_fields = obj->GetInternalFieldCount();
if (internal_fields > 0) {
os << " - internal fields = {";
for (int i = 0; i < internal_fields; i++) {
- os << "\n " << Brief(obj->GetInternalField(i));
+ os << "\n " << obj->GetInternalField(i);
}
os << "\n }\n";
}
@@ -541,6 +541,17 @@ void JSArray::JSArrayPrint(std::ostream& os) { // NOLINT
JSObjectPrintBody(os, this);
}
+void JSPromise::JSPromisePrint(std::ostream& os) { // NOLINT
+ JSObjectPrintHeader(os, this, "JSPromise");
+ os << "\n - status = " << JSPromise::Status(status());
+ os << "\n - result = " << Brief(result());
+ os << "\n - deferred_promise: " << Brief(deferred_promise());
+ os << "\n - deferred_on_resolve: " << Brief(deferred_on_resolve());
+ os << "\n - deferred_on_reject: " << Brief(deferred_on_reject());
+ os << "\n - fulfill_reactions = " << Brief(fulfill_reactions());
+ os << "\n - reject_reactions = " << Brief(reject_reactions());
+ os << "\n - has_handler = " << has_handler();
+}
void JSRegExp::JSRegExpPrint(std::ostream& os) { // NOLINT
JSObjectPrintHeader(os, this, "JSRegExp");
@@ -578,6 +589,7 @@ void Map::MapPrint(std::ostream& os) { // NOLINT
}
if (is_deprecated()) os << "\n - deprecated_map";
if (is_stable()) os << "\n - stable_map";
+ if (is_migration_target()) os << "\n - migration_target";
if (is_dictionary_map()) os << "\n - dictionary_map";
if (has_hidden_prototype()) os << "\n - has_hidden_prototype";
if (has_named_interceptor()) os << "\n - named_interceptor";
@@ -597,7 +609,8 @@ void Map::MapPrint(std::ostream& os) { // NOLINT
<< "#" << NumberOfOwnDescriptors() << ": "
<< Brief(instance_descriptors());
if (FLAG_unbox_double_fields) {
- os << "\n - layout descriptor: " << Brief(layout_descriptor());
+ os << "\n - layout descriptor: ";
+ layout_descriptor()->ShortPrint(os);
}
int nof_transitions = TransitionArray::NumberOfTransitions(raw_transitions());
if (nof_transitions > 0) {
@@ -631,25 +644,18 @@ void AliasedArgumentsEntry::AliasedArgumentsEntryPrint(
void FixedArray::FixedArrayPrint(std::ostream& os) { // NOLINT
HeapObject::PrintHeader(os, "FixedArray");
+ os << "\n - map = " << Brief(map());
os << "\n - length: " << length();
- for (int i = 0; i < length(); i++) {
- os << "\n [" << i << "]: " << Brief(get(i));
- }
+ PrintFixedArrayElements(os, this);
os << "\n";
}
void FixedDoubleArray::FixedDoubleArrayPrint(std::ostream& os) { // NOLINT
HeapObject::PrintHeader(os, "FixedDoubleArray");
+ os << "\n - map = " << Brief(map());
os << "\n - length: " << length();
- for (int i = 0; i < length(); i++) {
- os << "\n [" << i << "]: ";
- if (is_the_hole(i)) {
- os << "<the hole>";
- } else {
- os << get_scalar(i);
- }
- }
+ DoPrintElements<FixedDoubleArray, true>(os, this);
os << "\n";
}
@@ -686,16 +692,11 @@ void FeedbackVectorSpecBase<Derived>::FeedbackVectorSpecPrint(
return;
}
- for (int slot = 0, name_index = 0; slot < slot_count;) {
+ for (int slot = 0; slot < slot_count;) {
FeedbackVectorSlotKind kind = This()->GetKind(slot);
int entry_size = TypeFeedbackMetadata::GetSlotSize(kind);
DCHECK_LT(0, entry_size);
-
os << "\n Slot #" << slot << " " << kind;
- if (TypeFeedbackMetadata::SlotRequiresName(kind)) {
- os << ", " << Brief(*This()->GetName(name_index++));
- }
-
slot += entry_size;
}
os << "\n";
@@ -719,12 +720,14 @@ void TypeFeedbackMetadata::TypeFeedbackMetadataPrint(
os << "\n - slot_count: " << slot_count();
TypeFeedbackMetadataIterator iter(this);
+ int parameter_index = 0;
while (iter.HasNext()) {
FeedbackVectorSlot slot = iter.Next();
FeedbackVectorSlotKind kind = iter.kind();
os << "\n Slot " << slot << " " << kind;
- if (TypeFeedbackMetadata::SlotRequiresName(kind)) {
- os << ", " << Brief(iter.name());
+ if (TypeFeedbackMetadata::SlotRequiresParameter(kind)) {
+ int parameter_value = this->GetParameter(parameter_index++);
+ os << " [" << parameter_value << "]";
}
}
os << "\n";
@@ -746,15 +749,13 @@ void TypeFeedbackVector::TypeFeedbackVectorPrint(std::ostream& os) { // NOLINT
return;
}
+ int parameter_index = 0;
TypeFeedbackMetadataIterator iter(metadata());
while (iter.HasNext()) {
FeedbackVectorSlot slot = iter.Next();
FeedbackVectorSlotKind kind = iter.kind();
os << "\n Slot " << slot << " " << kind;
- if (TypeFeedbackMetadata::SlotRequiresName(kind)) {
- os << ", " << Brief(iter.name());
- }
os << " ";
switch (kind) {
case FeedbackVectorSlotKind::LOAD_IC: {
@@ -797,6 +798,17 @@ void TypeFeedbackVector::TypeFeedbackVectorPrint(std::ostream& os) { // NOLINT
os << Code::ICState2String(nexus.StateFromFeedback());
break;
}
+ case FeedbackVectorSlotKind::STORE_DATA_PROPERTY_IN_LITERAL_IC: {
+ StoreDataPropertyInLiteralICNexus nexus(this, slot);
+ os << Code::ICState2String(nexus.StateFromFeedback());
+ break;
+ }
+ case FeedbackVectorSlotKind::CREATE_CLOSURE: {
+ // TODO(mvstanton): Integrate this into the iterator.
+ int parameter_value = metadata()->GetParameter(parameter_index++);
+ os << "[" << parameter_value << "]";
+ break;
+ }
case FeedbackVectorSlotKind::GENERAL:
break;
case FeedbackVectorSlotKind::INVALID:
@@ -1011,15 +1023,6 @@ void JSArrayIterator::JSArrayIteratorPrint(std::ostream& os) { // NOLING
JSObjectPrintBody(os, this);
}
-void JSFixedArrayIterator::JSFixedArrayIteratorPrint(
- std::ostream& os) { // NOLINT
- JSObjectPrintHeader(os, this, "JSFixedArrayIterator");
- os << "\n - array = " << Brief(array());
- os << "\n - index = " << index();
- os << "\n - initial_next = " << Brief(initial_next());
- JSObjectPrintBody(os, this);
-}
-
void JSDataView::JSDataViewPrint(std::ostream& os) { // NOLINT
JSObjectPrintHeader(os, this, "JSDataView");
os << "\n - buffer =" << Brief(buffer());
@@ -1105,7 +1108,9 @@ void SharedFunctionInfo::SharedFunctionInfoPrint(std::ostream& os) { // NOLINT
void JSGlobalProxy::JSGlobalProxyPrint(std::ostream& os) { // NOLINT
JSObjectPrintHeader(os, this, "JSGlobalProxy");
- os << "\n - native context = " << Brief(native_context());
+ if (!GetIsolate()->bootstrapper()->IsActive()) {
+ os << "\n - native context = " << Brief(native_context());
+ }
os << "\n - hash = " << Brief(hash());
JSObjectPrintBody(os, this);
}
@@ -1113,7 +1118,9 @@ void JSGlobalProxy::JSGlobalProxyPrint(std::ostream& os) { // NOLINT
void JSGlobalObject::JSGlobalObjectPrint(std::ostream& os) { // NOLINT
JSObjectPrintHeader(os, this, "JSGlobalObject");
- os << "\n - native context = " << Brief(native_context());
+ if (!GetIsolate()->bootstrapper()->IsActive()) {
+ os << "\n - native context = " << Brief(native_context());
+ }
os << "\n - global proxy = " << Brief(global_proxy());
JSObjectPrintBody(os, this);
}
@@ -1129,7 +1136,8 @@ void Cell::CellPrint(std::ostream& os) { // NOLINT
void PropertyCell::PropertyCellPrint(std::ostream& os) { // NOLINT
HeapObject::PrintHeader(os, "PropertyCell");
os << "\n - value: " << Brief(value());
- os << "\n - details: " << property_details();
+ os << "\n - details: ";
+ property_details().PrintAsSlowTo(os);
PropertyCellType cell_type = property_details().cell_type();
os << "\n - cell_type: ";
if (value()->IsTheHole(GetIsolate())) {
@@ -1227,8 +1235,7 @@ void PromiseResolveThenableJobInfo::PromiseResolveThenableJobInfoPrint(
os << "\n - then: " << Brief(then());
os << "\n - resolve: " << Brief(resolve());
os << "\n - reject: " << Brief(reject());
- os << "\n - debug id: " << Brief(debug_id());
- os << "\n - debug name: " << Brief(debug_name());
+ os << "\n - debug id: " << debug_id();
os << "\n - context: " << Brief(context());
os << "\n";
}
@@ -1238,9 +1245,10 @@ void PromiseReactionJobInfo::PromiseReactionJobInfoPrint(
HeapObject::PrintHeader(os, "PromiseReactionJobInfo");
os << "\n - value: " << Brief(value());
os << "\n - tasks: " << Brief(tasks());
- os << "\n - deferred: " << Brief(deferred());
- os << "\n - debug id: " << Brief(debug_id());
- os << "\n - debug name: " << Brief(debug_name());
+ os << "\n - deferred_promise: " << Brief(deferred_promise());
+ os << "\n - deferred_on_resolve: " << Brief(deferred_on_resolve());
+ os << "\n - deferred_on_reject: " << Brief(deferred_on_reject());
+ os << "\n - debug id: " << debug_id();
os << "\n - reaction context: " << Brief(context());
os << "\n";
}
@@ -1267,9 +1275,9 @@ void Module::ModulePrint(std::ostream& os) { // NOLINT
}
void JSModuleNamespace::JSModuleNamespacePrint(std::ostream& os) { // NOLINT
- HeapObject::PrintHeader(os, "JSModuleNamespace");
+ JSObjectPrintHeader(os, this, "JSModuleNamespace");
os << "\n - module: " << Brief(module());
- os << "\n";
+ JSObjectPrintBody(os, this);
}
void PrototypeInfo::PrototypeInfoPrint(std::ostream& os) { // NOLINT
@@ -1282,6 +1290,13 @@ void PrototypeInfo::PrototypeInfoPrint(std::ostream& os) { // NOLINT
os << "\n";
}
+void Tuple2::Tuple2Print(std::ostream& os) { // NOLINT
+ HeapObject::PrintHeader(os, "Tuple2");
+ os << "\n - value1: " << Brief(value1());
+ os << "\n - value2: " << Brief(value2());
+ os << "\n";
+}
+
void Tuple3::Tuple3Print(std::ostream& os) { // NOLINT
HeapObject::PrintHeader(os, "Tuple3");
os << "\n - value1: " << Brief(value1());
@@ -1297,6 +1312,13 @@ void ContextExtension::ContextExtensionPrint(std::ostream& os) { // NOLINT
os << "\n";
}
+void ConstantElementsPair::ConstantElementsPairPrint(
+ std::ostream& os) { // NOLINT
+ HeapObject::PrintHeader(os, "ConstantElementsPair");
+ os << "\n - elements_kind: " << static_cast<ElementsKind>(elements_kind());
+ os << "\n - constant_values: " << Brief(constant_values());
+ os << "\n";
+}
void AccessorPair::AccessorPairPrint(std::ostream& os) { // NOLINT
HeapObject::PrintHeader(os, "AccessorPair");
@@ -1392,7 +1414,7 @@ void AllocationSite::AllocationSitePrint(std::ostream& os) { // NOLINT
} else if (transition_info()->IsJSArray()) {
os << "Array literal " << Brief(transition_info());
} else {
- os << "unknown transition_info" << Brief(transition_info());
+ os << "unknown transition_info " << Brief(transition_info());
}
os << "\n";
}
@@ -1460,16 +1482,24 @@ void LayoutDescriptor::Print() {
os << std::flush;
}
+void LayoutDescriptor::ShortPrint(std::ostream& os) {
+ if (IsSmi()) {
+ os << this; // Print tagged value for easy use with "jld" gdb macro.
+ } else {
+ os << Brief(this);
+ }
+}
void LayoutDescriptor::Print(std::ostream& os) { // NOLINT
os << "Layout descriptor: ";
- if (IsOddball() && IsUninitialized(HeapObject::cast(this)->GetIsolate())) {
- os << "<uninitialized>";
- } else if (IsFastPointerLayout()) {
+ if (IsFastPointerLayout()) {
os << "<all tagged>";
} else if (IsSmi()) {
os << "fast";
PrintBitMask(os, static_cast<uint32_t>(Smi::cast(this)->value()));
+ } else if (IsOddball() &&
+ IsUninitialized(HeapObject::cast(this)->GetIsolate())) {
+ os << "<uninitialized>";
} else {
os << "slow";
int len = length();
@@ -1546,15 +1576,43 @@ void DescriptorArray::Print() {
void DescriptorArray::PrintDescriptors(std::ostream& os) { // NOLINT
HandleScope scope(GetIsolate());
- os << "Descriptor array #" << number_of_descriptors();
+ os << "Descriptor array #" << number_of_descriptors() << ":";
for (int i = 0; i < number_of_descriptors(); i++) {
- Descriptor desc;
- Get(i, &desc);
- os << "\n " << i << ": " << desc;
+ Name* key = GetKey(i);
+ os << "\n [" << i << "]: ";
+#ifdef OBJECT_PRINT
+ key->NamePrint(os);
+#else
+ key->ShortPrint(os);
+#endif
+ os << " ";
+ PrintDescriptorDetails(os, i, PropertyDetails::kPrintFull);
}
os << "\n";
}
+void DescriptorArray::PrintDescriptorDetails(std::ostream& os, int descriptor,
+ PropertyDetails::PrintMode mode) {
+ PropertyDetails details = GetDetails(descriptor);
+ details.PrintAsFastTo(os, mode);
+ os << " @ ";
+ Object* value = GetValue(descriptor);
+ switch (details.location()) {
+ case kField: {
+ FieldType* field_type = Map::UnwrapFieldType(value);
+ field_type->PrintTo(os);
+ break;
+ }
+ case kDescriptor:
+ os << Brief(value);
+ if (value->IsAccessorPair()) {
+ AccessorPair* pair = AccessorPair::cast(value);
+ os << "(get: " << Brief(pair->getter())
+ << ", set: " << Brief(pair->setter()) << ")";
+ }
+ break;
+ }
+}
void TransitionArray::Print() {
OFStream os(stdout);
@@ -1592,18 +1650,13 @@ void TransitionArray::PrintTransitions(std::ostream& os, Object* transitions,
} else if (key == heap->strict_function_transition_symbol()) {
os << " (transition to strict function)";
} else {
- PropertyDetails details = GetTargetDetails(key, target);
+ DCHECK(!IsSpecialTransition(key));
os << "(transition to ";
- if (details.location() == kDescriptor) {
- os << "immutable ";
- }
- os << (details.kind() == kData ? "data" : "accessor");
- if (details.location() == kDescriptor) {
- Object* value =
- target->instance_descriptors()->GetValue(target->LastAdded());
- os << " " << Brief(value);
- }
- os << "), attrs: " << details.attributes();
+ int descriptor = target->LastAdded();
+ DescriptorArray* descriptors = target->instance_descriptors();
+ descriptors->PrintDescriptorDetails(os, descriptor,
+ PropertyDetails::kForTransitions);
+ os << ")";
}
os << " -> " << Brief(target);
}
@@ -1649,6 +1702,15 @@ extern void _v8_internal_Print_DescriptorArray(void* object) {
}
}
+extern void _v8_internal_Print_LayoutDescriptor(void* object) {
+ i::Object* o = reinterpret_cast<i::Object*>(object);
+ if (!o->IsLayoutDescriptor()) {
+ printf("Not a layout descriptor\n");
+ } else {
+ reinterpret_cast<i::LayoutDescriptor*>(object)->Print();
+ }
+}
+
extern void _v8_internal_Print_TransitionArray(void* object) {
if (reinterpret_cast<i::Object*>(object)->IsSmi()) {
printf("Not a transition array\n");
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