| Index: test/cctest/test-heap.cc
|
| diff --git a/test/cctest/test-heap.cc b/test/cctest/test-heap.cc
|
| deleted file mode 100644
|
| index e5aa605c8fa68179becb1fb10a29d5efc7c8ad3e..0000000000000000000000000000000000000000
|
| --- a/test/cctest/test-heap.cc
|
| +++ /dev/null
|
| @@ -1,6450 +0,0 @@
|
| -// Copyright 2012 the V8 project authors. All rights reserved.
|
| -// Redistribution and use in source and binary forms, with or without
|
| -// modification, are permitted provided that the following conditions are
|
| -// met:
|
| -//
|
| -// * Redistributions of source code must retain the above copyright
|
| -// notice, this list of conditions and the following disclaimer.
|
| -// * Redistributions in binary form must reproduce the above
|
| -// copyright notice, this list of conditions and the following
|
| -// disclaimer in the documentation and/or other materials provided
|
| -// with the distribution.
|
| -// * Neither the name of Google Inc. nor the names of its
|
| -// contributors may be used to endorse or promote products derived
|
| -// from this software without specific prior written permission.
|
| -//
|
| -// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
|
| -// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
|
| -// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
|
| -// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
|
| -// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
|
| -// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
|
| -// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
|
| -// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
|
| -// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
|
| -// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
|
| -// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
| -
|
| -// TODO(jochen): Remove this after the setting is turned on globally.
|
| -#define V8_IMMINENT_DEPRECATION_WARNINGS
|
| -
|
| -#include <stdlib.h>
|
| -#include <utility>
|
| -
|
| -#include "src/compilation-cache.h"
|
| -#include "src/context-measure.h"
|
| -#include "src/deoptimizer.h"
|
| -#include "src/execution.h"
|
| -#include "src/factory.h"
|
| -#include "src/global-handles.h"
|
| -#include "src/heap/gc-tracer.h"
|
| -#include "src/heap/memory-reducer.h"
|
| -#include "src/ic/ic.h"
|
| -#include "src/macro-assembler.h"
|
| -#include "src/snapshot/snapshot.h"
|
| -#include "test/cctest/cctest.h"
|
| -#include "test/cctest/heap-tester.h"
|
| -#include "test/cctest/test-feedback-vector.h"
|
| -
|
| -
|
| -namespace v8 {
|
| -namespace internal {
|
| -
|
| -static void CheckMap(Map* map, int type, int instance_size) {
|
| - CHECK(map->IsHeapObject());
|
| -#ifdef DEBUG
|
| - CHECK(CcTest::heap()->Contains(map));
|
| -#endif
|
| - CHECK_EQ(CcTest::heap()->meta_map(), map->map());
|
| - CHECK_EQ(type, map->instance_type());
|
| - CHECK_EQ(instance_size, map->instance_size());
|
| -}
|
| -
|
| -
|
| -TEST(HeapMaps) {
|
| - CcTest::InitializeVM();
|
| - Heap* heap = CcTest::heap();
|
| - CheckMap(heap->meta_map(), MAP_TYPE, Map::kSize);
|
| - CheckMap(heap->heap_number_map(), HEAP_NUMBER_TYPE, HeapNumber::kSize);
|
| -#define SIMD128_TYPE(TYPE, Type, type, lane_count, lane_type) \
|
| - CheckMap(heap->type##_map(), SIMD128_VALUE_TYPE, Type::kSize);
|
| - SIMD128_TYPES(SIMD128_TYPE)
|
| -#undef SIMD128_TYPE
|
| - CheckMap(heap->fixed_array_map(), FIXED_ARRAY_TYPE, kVariableSizeSentinel);
|
| - CheckMap(heap->string_map(), STRING_TYPE, kVariableSizeSentinel);
|
| -}
|
| -
|
| -
|
| -static void CheckOddball(Isolate* isolate, Object* obj, const char* string) {
|
| - CHECK(obj->IsOddball());
|
| - Handle<Object> handle(obj, isolate);
|
| - Object* print_string = *Object::ToString(isolate, handle).ToHandleChecked();
|
| - CHECK(String::cast(print_string)->IsUtf8EqualTo(CStrVector(string)));
|
| -}
|
| -
|
| -
|
| -static void CheckSmi(Isolate* isolate, int value, const char* string) {
|
| - Handle<Object> handle(Smi::FromInt(value), isolate);
|
| - Object* print_string = *Object::ToString(isolate, handle).ToHandleChecked();
|
| - CHECK(String::cast(print_string)->IsUtf8EqualTo(CStrVector(string)));
|
| -}
|
| -
|
| -
|
| -static void CheckNumber(Isolate* isolate, double value, const char* string) {
|
| - Handle<Object> number = isolate->factory()->NewNumber(value);
|
| - CHECK(number->IsNumber());
|
| - Handle<Object> print_string =
|
| - Object::ToString(isolate, number).ToHandleChecked();
|
| - CHECK(String::cast(*print_string)->IsUtf8EqualTo(CStrVector(string)));
|
| -}
|
| -
|
| -
|
| -static void CheckFindCodeObject(Isolate* isolate) {
|
| - // Test FindCodeObject
|
| -#define __ assm.
|
| -
|
| - Assembler assm(isolate, NULL, 0);
|
| -
|
| - __ nop(); // supported on all architectures
|
| -
|
| - CodeDesc desc;
|
| - assm.GetCode(&desc);
|
| - Handle<Code> code = isolate->factory()->NewCode(
|
| - desc, Code::ComputeFlags(Code::STUB), Handle<Code>());
|
| - CHECK(code->IsCode());
|
| -
|
| - HeapObject* obj = HeapObject::cast(*code);
|
| - Address obj_addr = obj->address();
|
| -
|
| - for (int i = 0; i < obj->Size(); i += kPointerSize) {
|
| - Object* found = isolate->FindCodeObject(obj_addr + i);
|
| - CHECK_EQ(*code, found);
|
| - }
|
| -
|
| - Handle<Code> copy = isolate->factory()->NewCode(
|
| - desc, Code::ComputeFlags(Code::STUB), Handle<Code>());
|
| - HeapObject* obj_copy = HeapObject::cast(*copy);
|
| - Object* not_right = isolate->FindCodeObject(obj_copy->address() +
|
| - obj_copy->Size() / 2);
|
| - CHECK(not_right != *code);
|
| -}
|
| -
|
| -
|
| -TEST(HandleNull) {
|
| - CcTest::InitializeVM();
|
| - Isolate* isolate = CcTest::i_isolate();
|
| - HandleScope outer_scope(isolate);
|
| - LocalContext context;
|
| - Handle<Object> n(static_cast<Object*>(nullptr), isolate);
|
| - CHECK(!n.is_null());
|
| -}
|
| -
|
| -
|
| -TEST(HeapObjects) {
|
| - CcTest::InitializeVM();
|
| - Isolate* isolate = CcTest::i_isolate();
|
| - Factory* factory = isolate->factory();
|
| - Heap* heap = isolate->heap();
|
| -
|
| - HandleScope sc(isolate);
|
| - Handle<Object> value = factory->NewNumber(1.000123);
|
| - CHECK(value->IsHeapNumber());
|
| - CHECK(value->IsNumber());
|
| - CHECK_EQ(1.000123, value->Number());
|
| -
|
| - value = factory->NewNumber(1.0);
|
| - CHECK(value->IsSmi());
|
| - CHECK(value->IsNumber());
|
| - CHECK_EQ(1.0, value->Number());
|
| -
|
| - value = factory->NewNumberFromInt(1024);
|
| - CHECK(value->IsSmi());
|
| - CHECK(value->IsNumber());
|
| - CHECK_EQ(1024.0, value->Number());
|
| -
|
| - value = factory->NewNumberFromInt(Smi::kMinValue);
|
| - CHECK(value->IsSmi());
|
| - CHECK(value->IsNumber());
|
| - CHECK_EQ(Smi::kMinValue, Handle<Smi>::cast(value)->value());
|
| -
|
| - value = factory->NewNumberFromInt(Smi::kMaxValue);
|
| - CHECK(value->IsSmi());
|
| - CHECK(value->IsNumber());
|
| - CHECK_EQ(Smi::kMaxValue, Handle<Smi>::cast(value)->value());
|
| -
|
| -#if !defined(V8_TARGET_ARCH_64_BIT)
|
| - // TODO(lrn): We need a NumberFromIntptr function in order to test this.
|
| - value = factory->NewNumberFromInt(Smi::kMinValue - 1);
|
| - CHECK(value->IsHeapNumber());
|
| - CHECK(value->IsNumber());
|
| - CHECK_EQ(static_cast<double>(Smi::kMinValue - 1), value->Number());
|
| -#endif
|
| -
|
| - value = factory->NewNumberFromUint(static_cast<uint32_t>(Smi::kMaxValue) + 1);
|
| - CHECK(value->IsHeapNumber());
|
| - CHECK(value->IsNumber());
|
| - CHECK_EQ(static_cast<double>(static_cast<uint32_t>(Smi::kMaxValue) + 1),
|
| - value->Number());
|
| -
|
| - value = factory->NewNumberFromUint(static_cast<uint32_t>(1) << 31);
|
| - CHECK(value->IsHeapNumber());
|
| - CHECK(value->IsNumber());
|
| - CHECK_EQ(static_cast<double>(static_cast<uint32_t>(1) << 31),
|
| - value->Number());
|
| -
|
| - // nan oddball checks
|
| - CHECK(factory->nan_value()->IsNumber());
|
| - CHECK(std::isnan(factory->nan_value()->Number()));
|
| -
|
| - Handle<String> s = factory->NewStringFromStaticChars("fisk hest ");
|
| - CHECK(s->IsString());
|
| - CHECK_EQ(10, s->length());
|
| -
|
| - Handle<String> object_string = Handle<String>::cast(factory->Object_string());
|
| - Handle<JSGlobalObject> global(
|
| - CcTest::i_isolate()->context()->global_object());
|
| - CHECK(Just(true) == JSReceiver::HasOwnProperty(global, object_string));
|
| -
|
| - // Check ToString for oddballs
|
| - CheckOddball(isolate, heap->true_value(), "true");
|
| - CheckOddball(isolate, heap->false_value(), "false");
|
| - CheckOddball(isolate, heap->null_value(), "null");
|
| - CheckOddball(isolate, heap->undefined_value(), "undefined");
|
| -
|
| - // Check ToString for Smis
|
| - CheckSmi(isolate, 0, "0");
|
| - CheckSmi(isolate, 42, "42");
|
| - CheckSmi(isolate, -42, "-42");
|
| -
|
| - // Check ToString for Numbers
|
| - CheckNumber(isolate, 1.1, "1.1");
|
| -
|
| - CheckFindCodeObject(isolate);
|
| -}
|
| -
|
| -
|
| -template <typename T, typename LANE_TYPE, int LANES>
|
| -static void CheckSimdValue(T* value, LANE_TYPE lane_values[LANES],
|
| - LANE_TYPE other_value) {
|
| - // Check against lane_values, and check that all lanes can be set to
|
| - // other_value without disturbing the other lanes.
|
| - for (int i = 0; i < LANES; i++) {
|
| - CHECK_EQ(lane_values[i], value->get_lane(i));
|
| - }
|
| - for (int i = 0; i < LANES; i++) {
|
| - value->set_lane(i, other_value); // change the value
|
| - for (int j = 0; j < LANES; j++) {
|
| - if (i != j)
|
| - CHECK_EQ(lane_values[j], value->get_lane(j));
|
| - else
|
| - CHECK_EQ(other_value, value->get_lane(j));
|
| - }
|
| - value->set_lane(i, lane_values[i]); // restore the lane
|
| - }
|
| - CHECK(value->BooleanValue()); // SIMD values are 'true'.
|
| -}
|
| -
|
| -
|
| -TEST(SimdObjects) {
|
| - CcTest::InitializeVM();
|
| - Isolate* isolate = CcTest::i_isolate();
|
| - Factory* factory = isolate->factory();
|
| -
|
| - HandleScope sc(isolate);
|
| -
|
| - // Float32x4
|
| - {
|
| - float lanes[4] = {1, 2, 3, 4};
|
| - float quiet_NaN = std::numeric_limits<float>::quiet_NaN();
|
| - float signaling_NaN = std::numeric_limits<float>::signaling_NaN();
|
| -
|
| - Handle<Float32x4> value = factory->NewFloat32x4(lanes);
|
| - CHECK(value->IsFloat32x4());
|
| - CheckSimdValue<Float32x4, float, 4>(*value, lanes, 3.14f);
|
| -
|
| - // Check special lane values.
|
| - value->set_lane(1, -0.0);
|
| - CHECK_EQ(-0.0f, value->get_lane(1));
|
| - CHECK(std::signbit(value->get_lane(1))); // Sign bit should be preserved.
|
| - value->set_lane(2, quiet_NaN);
|
| - CHECK(std::isnan(value->get_lane(2)));
|
| - value->set_lane(3, signaling_NaN);
|
| - CHECK(std::isnan(value->get_lane(3)));
|
| -
|
| -#ifdef OBJECT_PRINT
|
| - // Check value printing.
|
| - {
|
| - value = factory->NewFloat32x4(lanes);
|
| - std::ostringstream os;
|
| - value->Float32x4Print(os);
|
| - CHECK_EQ("1, 2, 3, 4", os.str());
|
| - }
|
| - {
|
| - float special_lanes[4] = {0, -0.0, quiet_NaN, signaling_NaN};
|
| - value = factory->NewFloat32x4(special_lanes);
|
| - std::ostringstream os;
|
| - value->Float32x4Print(os);
|
| - // Value printing doesn't preserve signed zeroes.
|
| - CHECK_EQ("0, 0, NaN, NaN", os.str());
|
| - }
|
| -#endif // OBJECT_PRINT
|
| - }
|
| - // Int32x4
|
| - {
|
| - int32_t lanes[4] = {1, 2, 3, 4};
|
| -
|
| - Handle<Int32x4> value = factory->NewInt32x4(lanes);
|
| - CHECK(value->IsInt32x4());
|
| - CheckSimdValue<Int32x4, int32_t, 4>(*value, lanes, 3);
|
| -
|
| -#ifdef OBJECT_PRINT
|
| - std::ostringstream os;
|
| - value->Int32x4Print(os);
|
| - CHECK_EQ("1, 2, 3, 4", os.str());
|
| -#endif // OBJECT_PRINT
|
| - }
|
| - // Uint32x4
|
| - {
|
| - uint32_t lanes[4] = {1, 2, 3, 4};
|
| -
|
| - Handle<Uint32x4> value = factory->NewUint32x4(lanes);
|
| - CHECK(value->IsUint32x4());
|
| - CheckSimdValue<Uint32x4, uint32_t, 4>(*value, lanes, 3);
|
| -
|
| -#ifdef OBJECT_PRINT
|
| - std::ostringstream os;
|
| - value->Uint32x4Print(os);
|
| - CHECK_EQ("1, 2, 3, 4", os.str());
|
| -#endif // OBJECT_PRINT
|
| - }
|
| - // Bool32x4
|
| - {
|
| - bool lanes[4] = {true, false, true, false};
|
| -
|
| - Handle<Bool32x4> value = factory->NewBool32x4(lanes);
|
| - CHECK(value->IsBool32x4());
|
| - CheckSimdValue<Bool32x4, bool, 4>(*value, lanes, false);
|
| -
|
| -#ifdef OBJECT_PRINT
|
| - std::ostringstream os;
|
| - value->Bool32x4Print(os);
|
| - CHECK_EQ("true, false, true, false", os.str());
|
| -#endif // OBJECT_PRINT
|
| - }
|
| - // Int16x8
|
| - {
|
| - int16_t lanes[8] = {1, 2, 3, 4, 5, 6, 7, 8};
|
| -
|
| - Handle<Int16x8> value = factory->NewInt16x8(lanes);
|
| - CHECK(value->IsInt16x8());
|
| - CheckSimdValue<Int16x8, int16_t, 8>(*value, lanes, 32767);
|
| -
|
| -#ifdef OBJECT_PRINT
|
| - std::ostringstream os;
|
| - value->Int16x8Print(os);
|
| - CHECK_EQ("1, 2, 3, 4, 5, 6, 7, 8", os.str());
|
| -#endif // OBJECT_PRINT
|
| - }
|
| - // Uint16x8
|
| - {
|
| - uint16_t lanes[8] = {1, 2, 3, 4, 5, 6, 7, 8};
|
| -
|
| - Handle<Uint16x8> value = factory->NewUint16x8(lanes);
|
| - CHECK(value->IsUint16x8());
|
| - CheckSimdValue<Uint16x8, uint16_t, 8>(*value, lanes, 32767);
|
| -
|
| -#ifdef OBJECT_PRINT
|
| - std::ostringstream os;
|
| - value->Uint16x8Print(os);
|
| - CHECK_EQ("1, 2, 3, 4, 5, 6, 7, 8", os.str());
|
| -#endif // OBJECT_PRINT
|
| - }
|
| - // Bool16x8
|
| - {
|
| - bool lanes[8] = {true, false, true, false, true, false, true, false};
|
| -
|
| - Handle<Bool16x8> value = factory->NewBool16x8(lanes);
|
| - CHECK(value->IsBool16x8());
|
| - CheckSimdValue<Bool16x8, bool, 8>(*value, lanes, false);
|
| -
|
| -#ifdef OBJECT_PRINT
|
| - std::ostringstream os;
|
| - value->Bool16x8Print(os);
|
| - CHECK_EQ("true, false, true, false, true, false, true, false", os.str());
|
| -#endif // OBJECT_PRINT
|
| - }
|
| - // Int8x16
|
| - {
|
| - int8_t lanes[16] = {1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16};
|
| -
|
| - Handle<Int8x16> value = factory->NewInt8x16(lanes);
|
| - CHECK(value->IsInt8x16());
|
| - CheckSimdValue<Int8x16, int8_t, 16>(*value, lanes, 127);
|
| -
|
| -#ifdef OBJECT_PRINT
|
| - std::ostringstream os;
|
| - value->Int8x16Print(os);
|
| - CHECK_EQ("1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16", os.str());
|
| -#endif // OBJECT_PRINT
|
| - }
|
| - // Uint8x16
|
| - {
|
| - uint8_t lanes[16] = {1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16};
|
| -
|
| - Handle<Uint8x16> value = factory->NewUint8x16(lanes);
|
| - CHECK(value->IsUint8x16());
|
| - CheckSimdValue<Uint8x16, uint8_t, 16>(*value, lanes, 127);
|
| -
|
| -#ifdef OBJECT_PRINT
|
| - std::ostringstream os;
|
| - value->Uint8x16Print(os);
|
| - CHECK_EQ("1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16", os.str());
|
| -#endif // OBJECT_PRINT
|
| - }
|
| - // Bool8x16
|
| - {
|
| - bool lanes[16] = {true, false, true, false, true, false, true, false,
|
| - true, false, true, false, true, false, true, false};
|
| -
|
| - Handle<Bool8x16> value = factory->NewBool8x16(lanes);
|
| - CHECK(value->IsBool8x16());
|
| - CheckSimdValue<Bool8x16, bool, 16>(*value, lanes, false);
|
| -
|
| -#ifdef OBJECT_PRINT
|
| - std::ostringstream os;
|
| - value->Bool8x16Print(os);
|
| - CHECK_EQ(
|
| - "true, false, true, false, true, false, true, false, true, false, "
|
| - "true, false, true, false, true, false",
|
| - os.str());
|
| -#endif // OBJECT_PRINT
|
| - }
|
| -}
|
| -
|
| -
|
| -TEST(Tagging) {
|
| - CcTest::InitializeVM();
|
| - int request = 24;
|
| - CHECK_EQ(request, static_cast<int>(OBJECT_POINTER_ALIGN(request)));
|
| - CHECK(Smi::FromInt(42)->IsSmi());
|
| - CHECK(Smi::FromInt(Smi::kMinValue)->IsSmi());
|
| - CHECK(Smi::FromInt(Smi::kMaxValue)->IsSmi());
|
| -}
|
| -
|
| -
|
| -TEST(GarbageCollection) {
|
| - CcTest::InitializeVM();
|
| - Isolate* isolate = CcTest::i_isolate();
|
| - Heap* heap = isolate->heap();
|
| - Factory* factory = isolate->factory();
|
| -
|
| - HandleScope sc(isolate);
|
| - // Check GC.
|
| - heap->CollectGarbage(NEW_SPACE);
|
| -
|
| - Handle<JSGlobalObject> global(
|
| - CcTest::i_isolate()->context()->global_object());
|
| - Handle<String> name = factory->InternalizeUtf8String("theFunction");
|
| - Handle<String> prop_name = factory->InternalizeUtf8String("theSlot");
|
| - Handle<String> prop_namex = factory->InternalizeUtf8String("theSlotx");
|
| - Handle<String> obj_name = factory->InternalizeUtf8String("theObject");
|
| - Handle<Smi> twenty_three(Smi::FromInt(23), isolate);
|
| - Handle<Smi> twenty_four(Smi::FromInt(24), isolate);
|
| -
|
| - {
|
| - HandleScope inner_scope(isolate);
|
| - // Allocate a function and keep it in global object's property.
|
| - Handle<JSFunction> function = factory->NewFunction(name);
|
| - JSReceiver::SetProperty(global, name, function, SLOPPY).Check();
|
| - // Allocate an object. Unrooted after leaving the scope.
|
| - Handle<JSObject> obj = factory->NewJSObject(function);
|
| - JSReceiver::SetProperty(obj, prop_name, twenty_three, SLOPPY).Check();
|
| - JSReceiver::SetProperty(obj, prop_namex, twenty_four, SLOPPY).Check();
|
| -
|
| - CHECK_EQ(Smi::FromInt(23),
|
| - *Object::GetProperty(obj, prop_name).ToHandleChecked());
|
| - CHECK_EQ(Smi::FromInt(24),
|
| - *Object::GetProperty(obj, prop_namex).ToHandleChecked());
|
| - }
|
| -
|
| - heap->CollectGarbage(NEW_SPACE);
|
| -
|
| - // Function should be alive.
|
| - CHECK(Just(true) == JSReceiver::HasOwnProperty(global, name));
|
| - // Check function is retained.
|
| - Handle<Object> func_value =
|
| - Object::GetProperty(global, name).ToHandleChecked();
|
| - CHECK(func_value->IsJSFunction());
|
| - Handle<JSFunction> function = Handle<JSFunction>::cast(func_value);
|
| -
|
| - {
|
| - HandleScope inner_scope(isolate);
|
| - // Allocate another object, make it reachable from global.
|
| - Handle<JSObject> obj = factory->NewJSObject(function);
|
| - JSReceiver::SetProperty(global, obj_name, obj, SLOPPY).Check();
|
| - JSReceiver::SetProperty(obj, prop_name, twenty_three, SLOPPY).Check();
|
| - }
|
| -
|
| - // After gc, it should survive.
|
| - heap->CollectGarbage(NEW_SPACE);
|
| -
|
| - CHECK(Just(true) == JSReceiver::HasOwnProperty(global, obj_name));
|
| - Handle<Object> obj =
|
| - Object::GetProperty(global, obj_name).ToHandleChecked();
|
| - CHECK(obj->IsJSObject());
|
| - CHECK_EQ(Smi::FromInt(23),
|
| - *Object::GetProperty(obj, prop_name).ToHandleChecked());
|
| -}
|
| -
|
| -
|
| -static void VerifyStringAllocation(Isolate* isolate, const char* string) {
|
| - HandleScope scope(isolate);
|
| - Handle<String> s = isolate->factory()->NewStringFromUtf8(
|
| - CStrVector(string)).ToHandleChecked();
|
| - CHECK_EQ(StrLength(string), s->length());
|
| - for (int index = 0; index < s->length(); index++) {
|
| - CHECK_EQ(static_cast<uint16_t>(string[index]), s->Get(index));
|
| - }
|
| -}
|
| -
|
| -
|
| -TEST(String) {
|
| - CcTest::InitializeVM();
|
| - Isolate* isolate = reinterpret_cast<Isolate*>(CcTest::isolate());
|
| -
|
| - VerifyStringAllocation(isolate, "a");
|
| - VerifyStringAllocation(isolate, "ab");
|
| - VerifyStringAllocation(isolate, "abc");
|
| - VerifyStringAllocation(isolate, "abcd");
|
| - VerifyStringAllocation(isolate, "fiskerdrengen er paa havet");
|
| -}
|
| -
|
| -
|
| -TEST(LocalHandles) {
|
| - CcTest::InitializeVM();
|
| - Isolate* isolate = CcTest::i_isolate();
|
| - Factory* factory = isolate->factory();
|
| -
|
| - v8::HandleScope scope(CcTest::isolate());
|
| - const char* name = "Kasper the spunky";
|
| - Handle<String> string = factory->NewStringFromAsciiChecked(name);
|
| - CHECK_EQ(StrLength(name), string->length());
|
| -}
|
| -
|
| -
|
| -TEST(GlobalHandles) {
|
| - CcTest::InitializeVM();
|
| - Isolate* isolate = CcTest::i_isolate();
|
| - Heap* heap = isolate->heap();
|
| - Factory* factory = isolate->factory();
|
| - GlobalHandles* global_handles = isolate->global_handles();
|
| -
|
| - Handle<Object> h1;
|
| - Handle<Object> h2;
|
| - Handle<Object> h3;
|
| - Handle<Object> h4;
|
| -
|
| - {
|
| - HandleScope scope(isolate);
|
| -
|
| - Handle<Object> i = factory->NewStringFromStaticChars("fisk");
|
| - Handle<Object> u = factory->NewNumber(1.12344);
|
| -
|
| - h1 = global_handles->Create(*i);
|
| - h2 = global_handles->Create(*u);
|
| - h3 = global_handles->Create(*i);
|
| - h4 = global_handles->Create(*u);
|
| - }
|
| -
|
| - // after gc, it should survive
|
| - heap->CollectGarbage(NEW_SPACE);
|
| -
|
| - CHECK((*h1)->IsString());
|
| - CHECK((*h2)->IsHeapNumber());
|
| - CHECK((*h3)->IsString());
|
| - CHECK((*h4)->IsHeapNumber());
|
| -
|
| - CHECK_EQ(*h3, *h1);
|
| - GlobalHandles::Destroy(h1.location());
|
| - GlobalHandles::Destroy(h3.location());
|
| -
|
| - CHECK_EQ(*h4, *h2);
|
| - GlobalHandles::Destroy(h2.location());
|
| - GlobalHandles::Destroy(h4.location());
|
| -}
|
| -
|
| -
|
| -static bool WeakPointerCleared = false;
|
| -
|
| -static void TestWeakGlobalHandleCallback(
|
| - const v8::WeakCallbackData<v8::Value, void>& data) {
|
| - std::pair<v8::Persistent<v8::Value>*, int>* p =
|
| - reinterpret_cast<std::pair<v8::Persistent<v8::Value>*, int>*>(
|
| - data.GetParameter());
|
| - if (p->second == 1234) WeakPointerCleared = true;
|
| - p->first->Reset();
|
| -}
|
| -
|
| -
|
| -TEST(WeakGlobalHandlesScavenge) {
|
| - i::FLAG_stress_compaction = false;
|
| - CcTest::InitializeVM();
|
| - Isolate* isolate = CcTest::i_isolate();
|
| - Heap* heap = isolate->heap();
|
| - Factory* factory = isolate->factory();
|
| - GlobalHandles* global_handles = isolate->global_handles();
|
| -
|
| - WeakPointerCleared = false;
|
| -
|
| - Handle<Object> h1;
|
| - Handle<Object> h2;
|
| -
|
| - {
|
| - HandleScope scope(isolate);
|
| -
|
| - Handle<Object> i = factory->NewStringFromStaticChars("fisk");
|
| - Handle<Object> u = factory->NewNumber(1.12344);
|
| -
|
| - h1 = global_handles->Create(*i);
|
| - h2 = global_handles->Create(*u);
|
| - }
|
| -
|
| - std::pair<Handle<Object>*, int> handle_and_id(&h2, 1234);
|
| - GlobalHandles::MakeWeak(h2.location(),
|
| - reinterpret_cast<void*>(&handle_and_id),
|
| - &TestWeakGlobalHandleCallback);
|
| -
|
| - // Scavenge treats weak pointers as normal roots.
|
| - heap->CollectGarbage(NEW_SPACE);
|
| -
|
| - CHECK((*h1)->IsString());
|
| - CHECK((*h2)->IsHeapNumber());
|
| -
|
| - CHECK(!WeakPointerCleared);
|
| - CHECK(!global_handles->IsNearDeath(h2.location()));
|
| - CHECK(!global_handles->IsNearDeath(h1.location()));
|
| -
|
| - GlobalHandles::Destroy(h1.location());
|
| - GlobalHandles::Destroy(h2.location());
|
| -}
|
| -
|
| -
|
| -TEST(WeakGlobalHandlesMark) {
|
| - CcTest::InitializeVM();
|
| - Isolate* isolate = CcTest::i_isolate();
|
| - Heap* heap = isolate->heap();
|
| - Factory* factory = isolate->factory();
|
| - GlobalHandles* global_handles = isolate->global_handles();
|
| -
|
| - WeakPointerCleared = false;
|
| -
|
| - Handle<Object> h1;
|
| - Handle<Object> h2;
|
| -
|
| - {
|
| - HandleScope scope(isolate);
|
| -
|
| - Handle<Object> i = factory->NewStringFromStaticChars("fisk");
|
| - Handle<Object> u = factory->NewNumber(1.12344);
|
| -
|
| - h1 = global_handles->Create(*i);
|
| - h2 = global_handles->Create(*u);
|
| - }
|
| -
|
| - // Make sure the objects are promoted.
|
| - heap->CollectGarbage(OLD_SPACE);
|
| - heap->CollectGarbage(NEW_SPACE);
|
| - CHECK(!heap->InNewSpace(*h1) && !heap->InNewSpace(*h2));
|
| -
|
| - std::pair<Handle<Object>*, int> handle_and_id(&h2, 1234);
|
| - GlobalHandles::MakeWeak(h2.location(),
|
| - reinterpret_cast<void*>(&handle_and_id),
|
| - &TestWeakGlobalHandleCallback);
|
| - CHECK(!GlobalHandles::IsNearDeath(h1.location()));
|
| - CHECK(!GlobalHandles::IsNearDeath(h2.location()));
|
| -
|
| - // Incremental marking potentially marked handles before they turned weak.
|
| - heap->CollectAllGarbage();
|
| -
|
| - CHECK((*h1)->IsString());
|
| -
|
| - CHECK(WeakPointerCleared);
|
| - CHECK(!GlobalHandles::IsNearDeath(h1.location()));
|
| -
|
| - GlobalHandles::Destroy(h1.location());
|
| -}
|
| -
|
| -
|
| -TEST(DeleteWeakGlobalHandle) {
|
| - i::FLAG_stress_compaction = false;
|
| - CcTest::InitializeVM();
|
| - Isolate* isolate = CcTest::i_isolate();
|
| - Heap* heap = isolate->heap();
|
| - Factory* factory = isolate->factory();
|
| - GlobalHandles* global_handles = isolate->global_handles();
|
| -
|
| - WeakPointerCleared = false;
|
| -
|
| - Handle<Object> h;
|
| -
|
| - {
|
| - HandleScope scope(isolate);
|
| -
|
| - Handle<Object> i = factory->NewStringFromStaticChars("fisk");
|
| - h = global_handles->Create(*i);
|
| - }
|
| -
|
| - std::pair<Handle<Object>*, int> handle_and_id(&h, 1234);
|
| - GlobalHandles::MakeWeak(h.location(),
|
| - reinterpret_cast<void*>(&handle_and_id),
|
| - &TestWeakGlobalHandleCallback);
|
| -
|
| - // Scanvenge does not recognize weak reference.
|
| - heap->CollectGarbage(NEW_SPACE);
|
| -
|
| - CHECK(!WeakPointerCleared);
|
| -
|
| - // Mark-compact treats weak reference properly.
|
| - heap->CollectGarbage(OLD_SPACE);
|
| -
|
| - CHECK(WeakPointerCleared);
|
| -}
|
| -
|
| -
|
| -TEST(BytecodeArray) {
|
| - static const uint8_t kRawBytes[] = {0xc3, 0x7e, 0xa5, 0x5a};
|
| - static const int kRawBytesSize = sizeof(kRawBytes);
|
| - static const int kFrameSize = 32;
|
| - static const int kParameterCount = 2;
|
| -
|
| - i::FLAG_manual_evacuation_candidates_selection = true;
|
| - CcTest::InitializeVM();
|
| - Isolate* isolate = CcTest::i_isolate();
|
| - Heap* heap = isolate->heap();
|
| - Factory* factory = isolate->factory();
|
| - HandleScope scope(isolate);
|
| -
|
| - SimulateFullSpace(heap->old_space());
|
| - Handle<FixedArray> constant_pool = factory->NewFixedArray(5, TENURED);
|
| - for (int i = 0; i < 5; i++) {
|
| - Handle<Object> number = factory->NewHeapNumber(i);
|
| - constant_pool->set(i, *number);
|
| - }
|
| -
|
| - // Allocate and initialize BytecodeArray
|
| - Handle<BytecodeArray> array = factory->NewBytecodeArray(
|
| - kRawBytesSize, kRawBytes, kFrameSize, kParameterCount, constant_pool);
|
| -
|
| - CHECK(array->IsBytecodeArray());
|
| - CHECK_EQ(array->length(), (int)sizeof(kRawBytes));
|
| - CHECK_EQ(array->frame_size(), kFrameSize);
|
| - CHECK_EQ(array->parameter_count(), kParameterCount);
|
| - CHECK_EQ(array->constant_pool(), *constant_pool);
|
| - CHECK_LE(array->address(), array->GetFirstBytecodeAddress());
|
| - CHECK_GE(array->address() + array->BytecodeArraySize(),
|
| - array->GetFirstBytecodeAddress() + array->length());
|
| - for (int i = 0; i < kRawBytesSize; i++) {
|
| - CHECK_EQ(array->GetFirstBytecodeAddress()[i], kRawBytes[i]);
|
| - CHECK_EQ(array->get(i), kRawBytes[i]);
|
| - }
|
| -
|
| - FixedArray* old_constant_pool_address = *constant_pool;
|
| -
|
| - // Perform a full garbage collection and force the constant pool to be on an
|
| - // evacuation candidate.
|
| - Page* evac_page = Page::FromAddress(constant_pool->address());
|
| - evac_page->SetFlag(MemoryChunk::FORCE_EVACUATION_CANDIDATE_FOR_TESTING);
|
| - heap->CollectAllGarbage();
|
| -
|
| - // BytecodeArray should survive.
|
| - CHECK_EQ(array->length(), kRawBytesSize);
|
| - CHECK_EQ(array->frame_size(), kFrameSize);
|
| - for (int i = 0; i < kRawBytesSize; i++) {
|
| - CHECK_EQ(array->get(i), kRawBytes[i]);
|
| - CHECK_EQ(array->GetFirstBytecodeAddress()[i], kRawBytes[i]);
|
| - }
|
| -
|
| - // Constant pool should have been migrated.
|
| - CHECK_EQ(array->constant_pool(), *constant_pool);
|
| - CHECK_NE(array->constant_pool(), old_constant_pool_address);
|
| -}
|
| -
|
| -
|
| -static const char* not_so_random_string_table[] = {
|
| - "abstract",
|
| - "boolean",
|
| - "break",
|
| - "byte",
|
| - "case",
|
| - "catch",
|
| - "char",
|
| - "class",
|
| - "const",
|
| - "continue",
|
| - "debugger",
|
| - "default",
|
| - "delete",
|
| - "do",
|
| - "double",
|
| - "else",
|
| - "enum",
|
| - "export",
|
| - "extends",
|
| - "false",
|
| - "final",
|
| - "finally",
|
| - "float",
|
| - "for",
|
| - "function",
|
| - "goto",
|
| - "if",
|
| - "implements",
|
| - "import",
|
| - "in",
|
| - "instanceof",
|
| - "int",
|
| - "interface",
|
| - "long",
|
| - "native",
|
| - "new",
|
| - "null",
|
| - "package",
|
| - "private",
|
| - "protected",
|
| - "public",
|
| - "return",
|
| - "short",
|
| - "static",
|
| - "super",
|
| - "switch",
|
| - "synchronized",
|
| - "this",
|
| - "throw",
|
| - "throws",
|
| - "transient",
|
| - "true",
|
| - "try",
|
| - "typeof",
|
| - "var",
|
| - "void",
|
| - "volatile",
|
| - "while",
|
| - "with",
|
| - 0
|
| -};
|
| -
|
| -
|
| -static void CheckInternalizedStrings(const char** strings) {
|
| - Isolate* isolate = CcTest::i_isolate();
|
| - Factory* factory = isolate->factory();
|
| - for (const char* string = *strings; *strings != 0; string = *strings++) {
|
| - HandleScope scope(isolate);
|
| - Handle<String> a =
|
| - isolate->factory()->InternalizeUtf8String(CStrVector(string));
|
| - // InternalizeUtf8String may return a failure if a GC is needed.
|
| - CHECK(a->IsInternalizedString());
|
| - Handle<String> b = factory->InternalizeUtf8String(string);
|
| - CHECK_EQ(*b, *a);
|
| - CHECK(b->IsUtf8EqualTo(CStrVector(string)));
|
| - b = isolate->factory()->InternalizeUtf8String(CStrVector(string));
|
| - CHECK_EQ(*b, *a);
|
| - CHECK(b->IsUtf8EqualTo(CStrVector(string)));
|
| - }
|
| -}
|
| -
|
| -
|
| -TEST(StringTable) {
|
| - CcTest::InitializeVM();
|
| -
|
| - v8::HandleScope sc(CcTest::isolate());
|
| - CheckInternalizedStrings(not_so_random_string_table);
|
| - CheckInternalizedStrings(not_so_random_string_table);
|
| -}
|
| -
|
| -
|
| -TEST(FunctionAllocation) {
|
| - CcTest::InitializeVM();
|
| - Isolate* isolate = CcTest::i_isolate();
|
| - Factory* factory = isolate->factory();
|
| -
|
| - v8::HandleScope sc(CcTest::isolate());
|
| - Handle<String> name = factory->InternalizeUtf8String("theFunction");
|
| - Handle<JSFunction> function = factory->NewFunction(name);
|
| -
|
| - Handle<Smi> twenty_three(Smi::FromInt(23), isolate);
|
| - Handle<Smi> twenty_four(Smi::FromInt(24), isolate);
|
| -
|
| - Handle<String> prop_name = factory->InternalizeUtf8String("theSlot");
|
| - Handle<JSObject> obj = factory->NewJSObject(function);
|
| - JSReceiver::SetProperty(obj, prop_name, twenty_three, SLOPPY).Check();
|
| - CHECK_EQ(Smi::FromInt(23),
|
| - *Object::GetProperty(obj, prop_name).ToHandleChecked());
|
| - // Check that we can add properties to function objects.
|
| - JSReceiver::SetProperty(function, prop_name, twenty_four, SLOPPY).Check();
|
| - CHECK_EQ(Smi::FromInt(24),
|
| - *Object::GetProperty(function, prop_name).ToHandleChecked());
|
| -}
|
| -
|
| -
|
| -TEST(ObjectProperties) {
|
| - CcTest::InitializeVM();
|
| - Isolate* isolate = CcTest::i_isolate();
|
| - Factory* factory = isolate->factory();
|
| -
|
| - v8::HandleScope sc(CcTest::isolate());
|
| - Handle<String> object_string(String::cast(CcTest::heap()->Object_string()));
|
| - Handle<Object> object = Object::GetProperty(
|
| - CcTest::i_isolate()->global_object(), object_string).ToHandleChecked();
|
| - Handle<JSFunction> constructor = Handle<JSFunction>::cast(object);
|
| - Handle<JSObject> obj = factory->NewJSObject(constructor);
|
| - Handle<String> first = factory->InternalizeUtf8String("first");
|
| - Handle<String> second = factory->InternalizeUtf8String("second");
|
| -
|
| - Handle<Smi> one(Smi::FromInt(1), isolate);
|
| - Handle<Smi> two(Smi::FromInt(2), isolate);
|
| -
|
| - // check for empty
|
| - CHECK(Just(false) == JSReceiver::HasOwnProperty(obj, first));
|
| -
|
| - // add first
|
| - JSReceiver::SetProperty(obj, first, one, SLOPPY).Check();
|
| - CHECK(Just(true) == JSReceiver::HasOwnProperty(obj, first));
|
| -
|
| - // delete first
|
| - CHECK(Just(true) == JSReceiver::DeleteProperty(obj, first, SLOPPY));
|
| - CHECK(Just(false) == JSReceiver::HasOwnProperty(obj, first));
|
| -
|
| - // add first and then second
|
| - JSReceiver::SetProperty(obj, first, one, SLOPPY).Check();
|
| - JSReceiver::SetProperty(obj, second, two, SLOPPY).Check();
|
| - CHECK(Just(true) == JSReceiver::HasOwnProperty(obj, first));
|
| - CHECK(Just(true) == JSReceiver::HasOwnProperty(obj, second));
|
| -
|
| - // delete first and then second
|
| - CHECK(Just(true) == JSReceiver::DeleteProperty(obj, first, SLOPPY));
|
| - CHECK(Just(true) == JSReceiver::HasOwnProperty(obj, second));
|
| - CHECK(Just(true) == JSReceiver::DeleteProperty(obj, second, SLOPPY));
|
| - CHECK(Just(false) == JSReceiver::HasOwnProperty(obj, first));
|
| - CHECK(Just(false) == JSReceiver::HasOwnProperty(obj, second));
|
| -
|
| - // add first and then second
|
| - JSReceiver::SetProperty(obj, first, one, SLOPPY).Check();
|
| - JSReceiver::SetProperty(obj, second, two, SLOPPY).Check();
|
| - CHECK(Just(true) == JSReceiver::HasOwnProperty(obj, first));
|
| - CHECK(Just(true) == JSReceiver::HasOwnProperty(obj, second));
|
| -
|
| - // delete second and then first
|
| - CHECK(Just(true) == JSReceiver::DeleteProperty(obj, second, SLOPPY));
|
| - CHECK(Just(true) == JSReceiver::HasOwnProperty(obj, first));
|
| - CHECK(Just(true) == JSReceiver::DeleteProperty(obj, first, SLOPPY));
|
| - CHECK(Just(false) == JSReceiver::HasOwnProperty(obj, first));
|
| - CHECK(Just(false) == JSReceiver::HasOwnProperty(obj, second));
|
| -
|
| - // check string and internalized string match
|
| - const char* string1 = "fisk";
|
| - Handle<String> s1 = factory->NewStringFromAsciiChecked(string1);
|
| - JSReceiver::SetProperty(obj, s1, one, SLOPPY).Check();
|
| - Handle<String> s1_string = factory->InternalizeUtf8String(string1);
|
| - CHECK(Just(true) == JSReceiver::HasOwnProperty(obj, s1_string));
|
| -
|
| - // check internalized string and string match
|
| - const char* string2 = "fugl";
|
| - Handle<String> s2_string = factory->InternalizeUtf8String(string2);
|
| - JSReceiver::SetProperty(obj, s2_string, one, SLOPPY).Check();
|
| - Handle<String> s2 = factory->NewStringFromAsciiChecked(string2);
|
| - CHECK(Just(true) == JSReceiver::HasOwnProperty(obj, s2));
|
| -}
|
| -
|
| -
|
| -TEST(JSObjectMaps) {
|
| - CcTest::InitializeVM();
|
| - Isolate* isolate = CcTest::i_isolate();
|
| - Factory* factory = isolate->factory();
|
| -
|
| - v8::HandleScope sc(CcTest::isolate());
|
| - Handle<String> name = factory->InternalizeUtf8String("theFunction");
|
| - Handle<JSFunction> function = factory->NewFunction(name);
|
| -
|
| - Handle<String> prop_name = factory->InternalizeUtf8String("theSlot");
|
| - Handle<JSObject> obj = factory->NewJSObject(function);
|
| - Handle<Map> initial_map(function->initial_map());
|
| -
|
| - // Set a propery
|
| - Handle<Smi> twenty_three(Smi::FromInt(23), isolate);
|
| - JSReceiver::SetProperty(obj, prop_name, twenty_three, SLOPPY).Check();
|
| - CHECK_EQ(Smi::FromInt(23),
|
| - *Object::GetProperty(obj, prop_name).ToHandleChecked());
|
| -
|
| - // Check the map has changed
|
| - CHECK(*initial_map != obj->map());
|
| -}
|
| -
|
| -
|
| -TEST(JSArray) {
|
| - CcTest::InitializeVM();
|
| - Isolate* isolate = CcTest::i_isolate();
|
| - Factory* factory = isolate->factory();
|
| -
|
| - v8::HandleScope sc(CcTest::isolate());
|
| - Handle<String> name = factory->InternalizeUtf8String("Array");
|
| - Handle<Object> fun_obj = Object::GetProperty(
|
| - CcTest::i_isolate()->global_object(), name).ToHandleChecked();
|
| - Handle<JSFunction> function = Handle<JSFunction>::cast(fun_obj);
|
| -
|
| - // Allocate the object.
|
| - Handle<Object> element;
|
| - Handle<JSObject> object = factory->NewJSObject(function);
|
| - Handle<JSArray> array = Handle<JSArray>::cast(object);
|
| - // We just initialized the VM, no heap allocation failure yet.
|
| - JSArray::Initialize(array, 0);
|
| -
|
| - // Set array length to 0.
|
| - JSArray::SetLength(array, 0);
|
| - CHECK_EQ(Smi::FromInt(0), array->length());
|
| - // Must be in fast mode.
|
| - CHECK(array->HasFastSmiOrObjectElements());
|
| -
|
| - // array[length] = name.
|
| - JSReceiver::SetElement(isolate, array, 0, name, SLOPPY).Check();
|
| - CHECK_EQ(Smi::FromInt(1), array->length());
|
| - element = i::Object::GetElement(isolate, array, 0).ToHandleChecked();
|
| - CHECK_EQ(*element, *name);
|
| -
|
| - // Set array length with larger than smi value.
|
| - JSArray::SetLength(array, static_cast<uint32_t>(Smi::kMaxValue) + 1);
|
| -
|
| - uint32_t int_length = 0;
|
| - CHECK(array->length()->ToArrayIndex(&int_length));
|
| - CHECK_EQ(static_cast<uint32_t>(Smi::kMaxValue) + 1, int_length);
|
| - CHECK(array->HasDictionaryElements()); // Must be in slow mode.
|
| -
|
| - // array[length] = name.
|
| - JSReceiver::SetElement(isolate, array, int_length, name, SLOPPY).Check();
|
| - uint32_t new_int_length = 0;
|
| - CHECK(array->length()->ToArrayIndex(&new_int_length));
|
| - CHECK_EQ(static_cast<double>(int_length), new_int_length - 1);
|
| - element = Object::GetElement(isolate, array, int_length).ToHandleChecked();
|
| - CHECK_EQ(*element, *name);
|
| - element = Object::GetElement(isolate, array, 0).ToHandleChecked();
|
| - CHECK_EQ(*element, *name);
|
| -}
|
| -
|
| -
|
| -TEST(JSObjectCopy) {
|
| - CcTest::InitializeVM();
|
| - Isolate* isolate = CcTest::i_isolate();
|
| - Factory* factory = isolate->factory();
|
| -
|
| - v8::HandleScope sc(CcTest::isolate());
|
| - Handle<String> object_string(String::cast(CcTest::heap()->Object_string()));
|
| - Handle<Object> object = Object::GetProperty(
|
| - CcTest::i_isolate()->global_object(), object_string).ToHandleChecked();
|
| - Handle<JSFunction> constructor = Handle<JSFunction>::cast(object);
|
| - Handle<JSObject> obj = factory->NewJSObject(constructor);
|
| - Handle<String> first = factory->InternalizeUtf8String("first");
|
| - Handle<String> second = factory->InternalizeUtf8String("second");
|
| -
|
| - Handle<Smi> one(Smi::FromInt(1), isolate);
|
| - Handle<Smi> two(Smi::FromInt(2), isolate);
|
| -
|
| - JSReceiver::SetProperty(obj, first, one, SLOPPY).Check();
|
| - JSReceiver::SetProperty(obj, second, two, SLOPPY).Check();
|
| -
|
| - JSReceiver::SetElement(isolate, obj, 0, first, SLOPPY).Check();
|
| - JSReceiver::SetElement(isolate, obj, 1, second, SLOPPY).Check();
|
| -
|
| - // Make the clone.
|
| - Handle<Object> value1, value2;
|
| - Handle<JSObject> clone = factory->CopyJSObject(obj);
|
| - CHECK(!clone.is_identical_to(obj));
|
| -
|
| - value1 = Object::GetElement(isolate, obj, 0).ToHandleChecked();
|
| - value2 = Object::GetElement(isolate, clone, 0).ToHandleChecked();
|
| - CHECK_EQ(*value1, *value2);
|
| - value1 = Object::GetElement(isolate, obj, 1).ToHandleChecked();
|
| - value2 = Object::GetElement(isolate, clone, 1).ToHandleChecked();
|
| - CHECK_EQ(*value1, *value2);
|
| -
|
| - value1 = Object::GetProperty(obj, first).ToHandleChecked();
|
| - value2 = Object::GetProperty(clone, first).ToHandleChecked();
|
| - CHECK_EQ(*value1, *value2);
|
| - value1 = Object::GetProperty(obj, second).ToHandleChecked();
|
| - value2 = Object::GetProperty(clone, second).ToHandleChecked();
|
| - CHECK_EQ(*value1, *value2);
|
| -
|
| - // Flip the values.
|
| - JSReceiver::SetProperty(clone, first, two, SLOPPY).Check();
|
| - JSReceiver::SetProperty(clone, second, one, SLOPPY).Check();
|
| -
|
| - JSReceiver::SetElement(isolate, clone, 0, second, SLOPPY).Check();
|
| - JSReceiver::SetElement(isolate, clone, 1, first, SLOPPY).Check();
|
| -
|
| - value1 = Object::GetElement(isolate, obj, 1).ToHandleChecked();
|
| - value2 = Object::GetElement(isolate, clone, 0).ToHandleChecked();
|
| - CHECK_EQ(*value1, *value2);
|
| - value1 = Object::GetElement(isolate, obj, 0).ToHandleChecked();
|
| - value2 = Object::GetElement(isolate, clone, 1).ToHandleChecked();
|
| - CHECK_EQ(*value1, *value2);
|
| -
|
| - value1 = Object::GetProperty(obj, second).ToHandleChecked();
|
| - value2 = Object::GetProperty(clone, first).ToHandleChecked();
|
| - CHECK_EQ(*value1, *value2);
|
| - value1 = Object::GetProperty(obj, first).ToHandleChecked();
|
| - value2 = Object::GetProperty(clone, second).ToHandleChecked();
|
| - CHECK_EQ(*value1, *value2);
|
| -}
|
| -
|
| -
|
| -TEST(StringAllocation) {
|
| - CcTest::InitializeVM();
|
| - Isolate* isolate = CcTest::i_isolate();
|
| - Factory* factory = isolate->factory();
|
| -
|
| - const unsigned char chars[] = { 0xe5, 0xa4, 0xa7 };
|
| - for (int length = 0; length < 100; length++) {
|
| - v8::HandleScope scope(CcTest::isolate());
|
| - char* non_one_byte = NewArray<char>(3 * length + 1);
|
| - char* one_byte = NewArray<char>(length + 1);
|
| - non_one_byte[3 * length] = 0;
|
| - one_byte[length] = 0;
|
| - for (int i = 0; i < length; i++) {
|
| - one_byte[i] = 'a';
|
| - non_one_byte[3 * i] = chars[0];
|
| - non_one_byte[3 * i + 1] = chars[1];
|
| - non_one_byte[3 * i + 2] = chars[2];
|
| - }
|
| - Handle<String> non_one_byte_sym = factory->InternalizeUtf8String(
|
| - Vector<const char>(non_one_byte, 3 * length));
|
| - CHECK_EQ(length, non_one_byte_sym->length());
|
| - Handle<String> one_byte_sym =
|
| - factory->InternalizeOneByteString(OneByteVector(one_byte, length));
|
| - CHECK_EQ(length, one_byte_sym->length());
|
| - Handle<String> non_one_byte_str =
|
| - factory->NewStringFromUtf8(Vector<const char>(non_one_byte, 3 * length))
|
| - .ToHandleChecked();
|
| - non_one_byte_str->Hash();
|
| - CHECK_EQ(length, non_one_byte_str->length());
|
| - Handle<String> one_byte_str =
|
| - factory->NewStringFromUtf8(Vector<const char>(one_byte, length))
|
| - .ToHandleChecked();
|
| - one_byte_str->Hash();
|
| - CHECK_EQ(length, one_byte_str->length());
|
| - DeleteArray(non_one_byte);
|
| - DeleteArray(one_byte);
|
| - }
|
| -}
|
| -
|
| -
|
| -static int ObjectsFoundInHeap(Heap* heap, Handle<Object> objs[], int size) {
|
| - // Count the number of objects found in the heap.
|
| - int found_count = 0;
|
| - HeapIterator iterator(heap);
|
| - for (HeapObject* obj = iterator.next(); obj != NULL; obj = iterator.next()) {
|
| - for (int i = 0; i < size; i++) {
|
| - if (*objs[i] == obj) {
|
| - found_count++;
|
| - }
|
| - }
|
| - }
|
| - return found_count;
|
| -}
|
| -
|
| -
|
| -TEST(Iteration) {
|
| - CcTest::InitializeVM();
|
| - Isolate* isolate = CcTest::i_isolate();
|
| - Factory* factory = isolate->factory();
|
| - v8::HandleScope scope(CcTest::isolate());
|
| -
|
| - // Array of objects to scan haep for.
|
| - const int objs_count = 6;
|
| - Handle<Object> objs[objs_count];
|
| - int next_objs_index = 0;
|
| -
|
| - // Allocate a JS array to OLD_SPACE and NEW_SPACE
|
| - objs[next_objs_index++] = factory->NewJSArray(10);
|
| - objs[next_objs_index++] =
|
| - factory->NewJSArray(10, FAST_HOLEY_ELEMENTS, Strength::WEAK, TENURED);
|
| -
|
| - // Allocate a small string to OLD_DATA_SPACE and NEW_SPACE
|
| - objs[next_objs_index++] = factory->NewStringFromStaticChars("abcdefghij");
|
| - objs[next_objs_index++] =
|
| - factory->NewStringFromStaticChars("abcdefghij", TENURED);
|
| -
|
| - // Allocate a large string (for large object space).
|
| - int large_size = Page::kMaxRegularHeapObjectSize + 1;
|
| - char* str = new char[large_size];
|
| - for (int i = 0; i < large_size - 1; ++i) str[i] = 'a';
|
| - str[large_size - 1] = '\0';
|
| - objs[next_objs_index++] = factory->NewStringFromAsciiChecked(str, TENURED);
|
| - delete[] str;
|
| -
|
| - // Add a Map object to look for.
|
| - objs[next_objs_index++] = Handle<Map>(HeapObject::cast(*objs[0])->map());
|
| -
|
| - CHECK_EQ(objs_count, next_objs_index);
|
| - CHECK_EQ(objs_count, ObjectsFoundInHeap(CcTest::heap(), objs, objs_count));
|
| -}
|
| -
|
| -
|
| -UNINITIALIZED_TEST(TestCodeFlushing) {
|
| - // If we do not flush code this test is invalid.
|
| - if (!FLAG_flush_code) return;
|
| - i::FLAG_allow_natives_syntax = true;
|
| - i::FLAG_optimize_for_size = false;
|
| - v8::Isolate::CreateParams create_params;
|
| - create_params.array_buffer_allocator = CcTest::array_buffer_allocator();
|
| - v8::Isolate* isolate = v8::Isolate::New(create_params);
|
| - i::Isolate* i_isolate = reinterpret_cast<i::Isolate*>(isolate);
|
| - isolate->Enter();
|
| - Factory* factory = i_isolate->factory();
|
| - {
|
| - v8::HandleScope scope(isolate);
|
| - v8::Context::New(isolate)->Enter();
|
| - const char* source =
|
| - "function foo() {"
|
| - " var x = 42;"
|
| - " var y = 42;"
|
| - " var z = x + y;"
|
| - "};"
|
| - "foo()";
|
| - Handle<String> foo_name = factory->InternalizeUtf8String("foo");
|
| -
|
| - // This compile will add the code to the compilation cache.
|
| - {
|
| - v8::HandleScope scope(isolate);
|
| - CompileRun(source);
|
| - }
|
| -
|
| - // Check function is compiled.
|
| - Handle<Object> func_value = Object::GetProperty(i_isolate->global_object(),
|
| - foo_name).ToHandleChecked();
|
| - CHECK(func_value->IsJSFunction());
|
| - Handle<JSFunction> function = Handle<JSFunction>::cast(func_value);
|
| - CHECK(function->shared()->is_compiled());
|
| -
|
| - // The code will survive at least two GCs.
|
| - i_isolate->heap()->CollectAllGarbage();
|
| - i_isolate->heap()->CollectAllGarbage();
|
| - CHECK(function->shared()->is_compiled());
|
| -
|
| - // Simulate several GCs that use full marking.
|
| - const int kAgingThreshold = 6;
|
| - for (int i = 0; i < kAgingThreshold; i++) {
|
| - i_isolate->heap()->CollectAllGarbage();
|
| - }
|
| -
|
| - // foo should no longer be in the compilation cache
|
| - CHECK(!function->shared()->is_compiled() || function->IsOptimized());
|
| - CHECK(!function->is_compiled() || function->IsOptimized());
|
| - // Call foo to get it recompiled.
|
| - CompileRun("foo()");
|
| - CHECK(function->shared()->is_compiled());
|
| - CHECK(function->is_compiled());
|
| - }
|
| - isolate->Exit();
|
| - isolate->Dispose();
|
| -}
|
| -
|
| -
|
| -TEST(TestCodeFlushingPreAged) {
|
| - // If we do not flush code this test is invalid.
|
| - if (!FLAG_flush_code) return;
|
| - i::FLAG_allow_natives_syntax = true;
|
| - i::FLAG_optimize_for_size = true;
|
| - CcTest::InitializeVM();
|
| - Isolate* isolate = CcTest::i_isolate();
|
| - Factory* factory = isolate->factory();
|
| - v8::HandleScope scope(CcTest::isolate());
|
| - const char* source = "function foo() {"
|
| - " var x = 42;"
|
| - " var y = 42;"
|
| - " var z = x + y;"
|
| - "};"
|
| - "foo()";
|
| - Handle<String> foo_name = factory->InternalizeUtf8String("foo");
|
| -
|
| - // Compile foo, but don't run it.
|
| - { v8::HandleScope scope(CcTest::isolate());
|
| - CompileRun(source);
|
| - }
|
| -
|
| - // Check function is compiled.
|
| - Handle<Object> func_value =
|
| - Object::GetProperty(isolate->global_object(), foo_name).ToHandleChecked();
|
| - CHECK(func_value->IsJSFunction());
|
| - Handle<JSFunction> function = Handle<JSFunction>::cast(func_value);
|
| - CHECK(function->shared()->is_compiled());
|
| -
|
| - // The code has been run so will survive at least one GC.
|
| - CcTest::heap()->CollectAllGarbage();
|
| - CHECK(function->shared()->is_compiled());
|
| -
|
| - // The code was only run once, so it should be pre-aged and collected on the
|
| - // next GC.
|
| - CcTest::heap()->CollectAllGarbage();
|
| - CHECK(!function->shared()->is_compiled() || function->IsOptimized());
|
| -
|
| - // Execute the function again twice, and ensure it is reset to the young age.
|
| - { v8::HandleScope scope(CcTest::isolate());
|
| - CompileRun("foo();"
|
| - "foo();");
|
| - }
|
| -
|
| - // The code will survive at least two GC now that it is young again.
|
| - CcTest::heap()->CollectAllGarbage();
|
| - CcTest::heap()->CollectAllGarbage();
|
| - CHECK(function->shared()->is_compiled());
|
| -
|
| - // Simulate several GCs that use full marking.
|
| - const int kAgingThreshold = 6;
|
| - for (int i = 0; i < kAgingThreshold; i++) {
|
| - CcTest::heap()->CollectAllGarbage();
|
| - }
|
| -
|
| - // foo should no longer be in the compilation cache
|
| - CHECK(!function->shared()->is_compiled() || function->IsOptimized());
|
| - CHECK(!function->is_compiled() || function->IsOptimized());
|
| - // Call foo to get it recompiled.
|
| - CompileRun("foo()");
|
| - CHECK(function->shared()->is_compiled());
|
| - CHECK(function->is_compiled());
|
| -}
|
| -
|
| -
|
| -TEST(TestCodeFlushingIncremental) {
|
| - // If we do not flush code this test is invalid.
|
| - if (!FLAG_flush_code) return;
|
| - i::FLAG_allow_natives_syntax = true;
|
| - i::FLAG_optimize_for_size = false;
|
| - CcTest::InitializeVM();
|
| - Isolate* isolate = CcTest::i_isolate();
|
| - Factory* factory = isolate->factory();
|
| - v8::HandleScope scope(CcTest::isolate());
|
| - const char* source = "function foo() {"
|
| - " var x = 42;"
|
| - " var y = 42;"
|
| - " var z = x + y;"
|
| - "};"
|
| - "foo()";
|
| - Handle<String> foo_name = factory->InternalizeUtf8String("foo");
|
| -
|
| - // This compile will add the code to the compilation cache.
|
| - { v8::HandleScope scope(CcTest::isolate());
|
| - CompileRun(source);
|
| - }
|
| -
|
| - // Check function is compiled.
|
| - Handle<Object> func_value =
|
| - Object::GetProperty(isolate->global_object(), foo_name).ToHandleChecked();
|
| - CHECK(func_value->IsJSFunction());
|
| - Handle<JSFunction> function = Handle<JSFunction>::cast(func_value);
|
| - CHECK(function->shared()->is_compiled());
|
| -
|
| - // The code will survive at least two GCs.
|
| - CcTest::heap()->CollectAllGarbage();
|
| - CcTest::heap()->CollectAllGarbage();
|
| - CHECK(function->shared()->is_compiled());
|
| -
|
| - // Simulate several GCs that use incremental marking.
|
| - const int kAgingThreshold = 6;
|
| - for (int i = 0; i < kAgingThreshold; i++) {
|
| - SimulateIncrementalMarking(CcTest::heap());
|
| - CcTest::heap()->CollectAllGarbage();
|
| - }
|
| - CHECK(!function->shared()->is_compiled() || function->IsOptimized());
|
| - CHECK(!function->is_compiled() || function->IsOptimized());
|
| -
|
| - // This compile will compile the function again.
|
| - { v8::HandleScope scope(CcTest::isolate());
|
| - CompileRun("foo();");
|
| - }
|
| -
|
| - // Simulate several GCs that use incremental marking but make sure
|
| - // the loop breaks once the function is enqueued as a candidate.
|
| - for (int i = 0; i < kAgingThreshold; i++) {
|
| - SimulateIncrementalMarking(CcTest::heap());
|
| - if (!function->next_function_link()->IsUndefined()) break;
|
| - CcTest::heap()->CollectAllGarbage();
|
| - }
|
| -
|
| - // Force optimization while incremental marking is active and while
|
| - // the function is enqueued as a candidate.
|
| - { v8::HandleScope scope(CcTest::isolate());
|
| - CompileRun("%OptimizeFunctionOnNextCall(foo); foo();");
|
| - }
|
| -
|
| - // Simulate one final GC to make sure the candidate queue is sane.
|
| - CcTest::heap()->CollectAllGarbage();
|
| - CHECK(function->shared()->is_compiled() || !function->IsOptimized());
|
| - CHECK(function->is_compiled() || !function->IsOptimized());
|
| -}
|
| -
|
| -
|
| -TEST(TestCodeFlushingIncrementalScavenge) {
|
| - // If we do not flush code this test is invalid.
|
| - if (!FLAG_flush_code) return;
|
| - i::FLAG_allow_natives_syntax = true;
|
| - i::FLAG_optimize_for_size = false;
|
| - CcTest::InitializeVM();
|
| - Isolate* isolate = CcTest::i_isolate();
|
| - Factory* factory = isolate->factory();
|
| - v8::HandleScope scope(CcTest::isolate());
|
| - const char* source = "var foo = function() {"
|
| - " var x = 42;"
|
| - " var y = 42;"
|
| - " var z = x + y;"
|
| - "};"
|
| - "foo();"
|
| - "var bar = function() {"
|
| - " var x = 23;"
|
| - "};"
|
| - "bar();";
|
| - Handle<String> foo_name = factory->InternalizeUtf8String("foo");
|
| - Handle<String> bar_name = factory->InternalizeUtf8String("bar");
|
| -
|
| - // Perfrom one initial GC to enable code flushing.
|
| - CcTest::heap()->CollectAllGarbage();
|
| -
|
| - // This compile will add the code to the compilation cache.
|
| - { v8::HandleScope scope(CcTest::isolate());
|
| - CompileRun(source);
|
| - }
|
| -
|
| - // Check functions are compiled.
|
| - Handle<Object> func_value =
|
| - Object::GetProperty(isolate->global_object(), foo_name).ToHandleChecked();
|
| - CHECK(func_value->IsJSFunction());
|
| - Handle<JSFunction> function = Handle<JSFunction>::cast(func_value);
|
| - CHECK(function->shared()->is_compiled());
|
| - Handle<Object> func_value2 =
|
| - Object::GetProperty(isolate->global_object(), bar_name).ToHandleChecked();
|
| - CHECK(func_value2->IsJSFunction());
|
| - Handle<JSFunction> function2 = Handle<JSFunction>::cast(func_value2);
|
| - CHECK(function2->shared()->is_compiled());
|
| -
|
| - // Clear references to functions so that one of them can die.
|
| - { v8::HandleScope scope(CcTest::isolate());
|
| - CompileRun("foo = 0; bar = 0;");
|
| - }
|
| -
|
| - // Bump the code age so that flushing is triggered while the function
|
| - // object is still located in new-space.
|
| - const int kAgingThreshold = 6;
|
| - for (int i = 0; i < kAgingThreshold; i++) {
|
| - function->shared()->code()->MakeOlder(static_cast<MarkingParity>(i % 2));
|
| - function2->shared()->code()->MakeOlder(static_cast<MarkingParity>(i % 2));
|
| - }
|
| -
|
| - // Simulate incremental marking so that the functions are enqueued as
|
| - // code flushing candidates. Then kill one of the functions. Finally
|
| - // perform a scavenge while incremental marking is still running.
|
| - SimulateIncrementalMarking(CcTest::heap());
|
| - *function2.location() = NULL;
|
| - CcTest::heap()->CollectGarbage(NEW_SPACE, "test scavenge while marking");
|
| -
|
| - // Simulate one final GC to make sure the candidate queue is sane.
|
| - CcTest::heap()->CollectAllGarbage();
|
| - CHECK(!function->shared()->is_compiled() || function->IsOptimized());
|
| - CHECK(!function->is_compiled() || function->IsOptimized());
|
| -}
|
| -
|
| -
|
| -TEST(TestCodeFlushingIncrementalAbort) {
|
| - // If we do not flush code this test is invalid.
|
| - if (!FLAG_flush_code) return;
|
| - i::FLAG_allow_natives_syntax = true;
|
| - i::FLAG_optimize_for_size = false;
|
| - CcTest::InitializeVM();
|
| - Isolate* isolate = CcTest::i_isolate();
|
| - Factory* factory = isolate->factory();
|
| - Heap* heap = isolate->heap();
|
| - v8::HandleScope scope(CcTest::isolate());
|
| - const char* source = "function foo() {"
|
| - " var x = 42;"
|
| - " var y = 42;"
|
| - " var z = x + y;"
|
| - "};"
|
| - "foo()";
|
| - Handle<String> foo_name = factory->InternalizeUtf8String("foo");
|
| -
|
| - // This compile will add the code to the compilation cache.
|
| - { v8::HandleScope scope(CcTest::isolate());
|
| - CompileRun(source);
|
| - }
|
| -
|
| - // Check function is compiled.
|
| - Handle<Object> func_value =
|
| - Object::GetProperty(isolate->global_object(), foo_name).ToHandleChecked();
|
| - CHECK(func_value->IsJSFunction());
|
| - Handle<JSFunction> function = Handle<JSFunction>::cast(func_value);
|
| - CHECK(function->shared()->is_compiled());
|
| -
|
| - // The code will survive at least two GCs.
|
| - heap->CollectAllGarbage();
|
| - heap->CollectAllGarbage();
|
| - CHECK(function->shared()->is_compiled());
|
| -
|
| - // Bump the code age so that flushing is triggered.
|
| - const int kAgingThreshold = 6;
|
| - for (int i = 0; i < kAgingThreshold; i++) {
|
| - function->shared()->code()->MakeOlder(static_cast<MarkingParity>(i % 2));
|
| - }
|
| -
|
| - // Simulate incremental marking so that the function is enqueued as
|
| - // code flushing candidate.
|
| - SimulateIncrementalMarking(heap);
|
| -
|
| - // Enable the debugger and add a breakpoint while incremental marking
|
| - // is running so that incremental marking aborts and code flushing is
|
| - // disabled.
|
| - int position = 0;
|
| - Handle<Object> breakpoint_object(Smi::FromInt(0), isolate);
|
| - EnableDebugger(CcTest::isolate());
|
| - isolate->debug()->SetBreakPoint(function, breakpoint_object, &position);
|
| - isolate->debug()->ClearAllBreakPoints();
|
| - DisableDebugger(CcTest::isolate());
|
| -
|
| - // Force optimization now that code flushing is disabled.
|
| - { v8::HandleScope scope(CcTest::isolate());
|
| - CompileRun("%OptimizeFunctionOnNextCall(foo); foo();");
|
| - }
|
| -
|
| - // Simulate one final GC to make sure the candidate queue is sane.
|
| - heap->CollectAllGarbage();
|
| - CHECK(function->shared()->is_compiled() || !function->IsOptimized());
|
| - CHECK(function->is_compiled() || !function->IsOptimized());
|
| -}
|
| -
|
| -
|
| -TEST(CompilationCacheCachingBehavior) {
|
| - // If we do not flush code, or have the compilation cache turned off, this
|
| - // test is invalid.
|
| - if (!FLAG_flush_code || !FLAG_compilation_cache) {
|
| - return;
|
| - }
|
| - CcTest::InitializeVM();
|
| - Isolate* isolate = CcTest::i_isolate();
|
| - Factory* factory = isolate->factory();
|
| - Heap* heap = isolate->heap();
|
| - CompilationCache* compilation_cache = isolate->compilation_cache();
|
| - LanguageMode language_mode =
|
| - construct_language_mode(FLAG_use_strict, FLAG_use_strong);
|
| -
|
| - v8::HandleScope scope(CcTest::isolate());
|
| - const char* raw_source =
|
| - "function foo() {"
|
| - " var x = 42;"
|
| - " var y = 42;"
|
| - " var z = x + y;"
|
| - "};"
|
| - "foo()";
|
| - Handle<String> source = factory->InternalizeUtf8String(raw_source);
|
| - Handle<Context> native_context = isolate->native_context();
|
| -
|
| - {
|
| - v8::HandleScope scope(CcTest::isolate());
|
| - CompileRun(raw_source);
|
| - }
|
| -
|
| - // On first compilation, only a hash is inserted in the code cache. We can't
|
| - // find that value.
|
| - MaybeHandle<SharedFunctionInfo> info = compilation_cache->LookupScript(
|
| - source, Handle<Object>(), 0, 0,
|
| - v8::ScriptOriginOptions(false, true, false), native_context,
|
| - language_mode);
|
| - CHECK(info.is_null());
|
| -
|
| - {
|
| - v8::HandleScope scope(CcTest::isolate());
|
| - CompileRun(raw_source);
|
| - }
|
| -
|
| - // On second compilation, the hash is replaced by a real cache entry mapping
|
| - // the source to the shared function info containing the code.
|
| - info = compilation_cache->LookupScript(
|
| - source, Handle<Object>(), 0, 0,
|
| - v8::ScriptOriginOptions(false, true, false), native_context,
|
| - language_mode);
|
| - CHECK(!info.is_null());
|
| -
|
| - heap->CollectAllGarbage();
|
| -
|
| - // On second compilation, the hash is replaced by a real cache entry mapping
|
| - // the source to the shared function info containing the code.
|
| - info = compilation_cache->LookupScript(
|
| - source, Handle<Object>(), 0, 0,
|
| - v8::ScriptOriginOptions(false, true, false), native_context,
|
| - language_mode);
|
| - CHECK(!info.is_null());
|
| -
|
| - while (!info.ToHandleChecked()->code()->IsOld()) {
|
| - info.ToHandleChecked()->code()->MakeOlder(NO_MARKING_PARITY);
|
| - }
|
| -
|
| - heap->CollectAllGarbage();
|
| - // Ensure code aging cleared the entry from the cache.
|
| - info = compilation_cache->LookupScript(
|
| - source, Handle<Object>(), 0, 0,
|
| - v8::ScriptOriginOptions(false, true, false), native_context,
|
| - language_mode);
|
| - CHECK(info.is_null());
|
| -
|
| - {
|
| - v8::HandleScope scope(CcTest::isolate());
|
| - CompileRun(raw_source);
|
| - }
|
| -
|
| - // On first compilation, only a hash is inserted in the code cache. We can't
|
| - // find that value.
|
| - info = compilation_cache->LookupScript(
|
| - source, Handle<Object>(), 0, 0,
|
| - v8::ScriptOriginOptions(false, true, false), native_context,
|
| - language_mode);
|
| - CHECK(info.is_null());
|
| -
|
| - for (int i = 0; i < CompilationCacheTable::kHashGenerations; i++) {
|
| - compilation_cache->MarkCompactPrologue();
|
| - }
|
| -
|
| - {
|
| - v8::HandleScope scope(CcTest::isolate());
|
| - CompileRun(raw_source);
|
| - }
|
| -
|
| - // If we aged the cache before caching the script, ensure that we didn't cache
|
| - // on next compilation.
|
| - info = compilation_cache->LookupScript(
|
| - source, Handle<Object>(), 0, 0,
|
| - v8::ScriptOriginOptions(false, true, false), native_context,
|
| - language_mode);
|
| - CHECK(info.is_null());
|
| -}
|
| -
|
| -
|
| -static void OptimizeEmptyFunction(const char* name) {
|
| - HandleScope scope(CcTest::i_isolate());
|
| - EmbeddedVector<char, 256> source;
|
| - SNPrintF(source,
|
| - "function %s() { return 0; }"
|
| - "%s(); %s();"
|
| - "%%OptimizeFunctionOnNextCall(%s);"
|
| - "%s();",
|
| - name, name, name, name, name);
|
| - CompileRun(source.start());
|
| -}
|
| -
|
| -
|
| -// Count the number of native contexts in the weak list of native contexts.
|
| -int CountNativeContexts() {
|
| - int count = 0;
|
| - Object* object = CcTest::heap()->native_contexts_list();
|
| - while (!object->IsUndefined()) {
|
| - count++;
|
| - object = Context::cast(object)->get(Context::NEXT_CONTEXT_LINK);
|
| - }
|
| - return count;
|
| -}
|
| -
|
| -
|
| -// Count the number of user functions in the weak list of optimized
|
| -// functions attached to a native context.
|
| -static int CountOptimizedUserFunctions(v8::Local<v8::Context> context) {
|
| - int count = 0;
|
| - Handle<Context> icontext = v8::Utils::OpenHandle(*context);
|
| - Object* object = icontext->get(Context::OPTIMIZED_FUNCTIONS_LIST);
|
| - while (object->IsJSFunction() &&
|
| - !JSFunction::cast(object)->shared()->IsBuiltin()) {
|
| - count++;
|
| - object = JSFunction::cast(object)->next_function_link();
|
| - }
|
| - return count;
|
| -}
|
| -
|
| -
|
| -TEST(TestInternalWeakLists) {
|
| - FLAG_always_opt = false;
|
| - FLAG_allow_natives_syntax = true;
|
| - v8::V8::Initialize();
|
| -
|
| - // Some flags turn Scavenge collections into Mark-sweep collections
|
| - // and hence are incompatible with this test case.
|
| - if (FLAG_gc_global || FLAG_stress_compaction) return;
|
| - FLAG_retain_maps_for_n_gc = 0;
|
| -
|
| - static const int kNumTestContexts = 10;
|
| -
|
| - Isolate* isolate = CcTest::i_isolate();
|
| - Heap* heap = isolate->heap();
|
| - HandleScope scope(isolate);
|
| - v8::Local<v8::Context> ctx[kNumTestContexts];
|
| - if (!isolate->use_crankshaft()) return;
|
| -
|
| - CHECK_EQ(0, CountNativeContexts());
|
| -
|
| - // Create a number of global contests which gets linked together.
|
| - for (int i = 0; i < kNumTestContexts; i++) {
|
| - ctx[i] = v8::Context::New(CcTest::isolate());
|
| -
|
| - // Collect garbage that might have been created by one of the
|
| - // installed extensions.
|
| - isolate->compilation_cache()->Clear();
|
| - heap->CollectAllGarbage();
|
| -
|
| - CHECK_EQ(i + 1, CountNativeContexts());
|
| -
|
| - ctx[i]->Enter();
|
| -
|
| - // Create a handle scope so no function objects get stuck in the outer
|
| - // handle scope.
|
| - HandleScope scope(isolate);
|
| - CHECK_EQ(0, CountOptimizedUserFunctions(ctx[i]));
|
| - OptimizeEmptyFunction("f1");
|
| - CHECK_EQ(1, CountOptimizedUserFunctions(ctx[i]));
|
| - OptimizeEmptyFunction("f2");
|
| - CHECK_EQ(2, CountOptimizedUserFunctions(ctx[i]));
|
| - OptimizeEmptyFunction("f3");
|
| - CHECK_EQ(3, CountOptimizedUserFunctions(ctx[i]));
|
| - OptimizeEmptyFunction("f4");
|
| - CHECK_EQ(4, CountOptimizedUserFunctions(ctx[i]));
|
| - OptimizeEmptyFunction("f5");
|
| - CHECK_EQ(5, CountOptimizedUserFunctions(ctx[i]));
|
| -
|
| - // Remove function f1, and
|
| - CompileRun("f1=null");
|
| -
|
| - // Scavenge treats these references as strong.
|
| - for (int j = 0; j < 10; j++) {
|
| - CcTest::heap()->CollectGarbage(NEW_SPACE);
|
| - CHECK_EQ(5, CountOptimizedUserFunctions(ctx[i]));
|
| - }
|
| -
|
| - // Mark compact handles the weak references.
|
| - isolate->compilation_cache()->Clear();
|
| - heap->CollectAllGarbage();
|
| - CHECK_EQ(4, CountOptimizedUserFunctions(ctx[i]));
|
| -
|
| - // Get rid of f3 and f5 in the same way.
|
| - CompileRun("f3=null");
|
| - for (int j = 0; j < 10; j++) {
|
| - CcTest::heap()->CollectGarbage(NEW_SPACE);
|
| - CHECK_EQ(4, CountOptimizedUserFunctions(ctx[i]));
|
| - }
|
| - CcTest::heap()->CollectAllGarbage();
|
| - CHECK_EQ(3, CountOptimizedUserFunctions(ctx[i]));
|
| - CompileRun("f5=null");
|
| - for (int j = 0; j < 10; j++) {
|
| - CcTest::heap()->CollectGarbage(NEW_SPACE);
|
| - CHECK_EQ(3, CountOptimizedUserFunctions(ctx[i]));
|
| - }
|
| - CcTest::heap()->CollectAllGarbage();
|
| - CHECK_EQ(2, CountOptimizedUserFunctions(ctx[i]));
|
| -
|
| - ctx[i]->Exit();
|
| - }
|
| -
|
| - // Force compilation cache cleanup.
|
| - CcTest::heap()->NotifyContextDisposed(true);
|
| - CcTest::heap()->CollectAllGarbage();
|
| -
|
| - // Dispose the native contexts one by one.
|
| - for (int i = 0; i < kNumTestContexts; i++) {
|
| - // TODO(dcarney): is there a better way to do this?
|
| - i::Object** unsafe = reinterpret_cast<i::Object**>(*ctx[i]);
|
| - *unsafe = CcTest::heap()->undefined_value();
|
| - ctx[i].Clear();
|
| -
|
| - // Scavenge treats these references as strong.
|
| - for (int j = 0; j < 10; j++) {
|
| - CcTest::heap()->CollectGarbage(i::NEW_SPACE);
|
| - CHECK_EQ(kNumTestContexts - i, CountNativeContexts());
|
| - }
|
| -
|
| - // Mark compact handles the weak references.
|
| - CcTest::heap()->CollectAllGarbage();
|
| - CHECK_EQ(kNumTestContexts - i - 1, CountNativeContexts());
|
| - }
|
| -
|
| - CHECK_EQ(0, CountNativeContexts());
|
| -}
|
| -
|
| -
|
| -// Count the number of native contexts in the weak list of native contexts
|
| -// causing a GC after the specified number of elements.
|
| -static int CountNativeContextsWithGC(Isolate* isolate, int n) {
|
| - Heap* heap = isolate->heap();
|
| - int count = 0;
|
| - Handle<Object> object(heap->native_contexts_list(), isolate);
|
| - while (!object->IsUndefined()) {
|
| - count++;
|
| - if (count == n) heap->CollectAllGarbage();
|
| - object =
|
| - Handle<Object>(Context::cast(*object)->get(Context::NEXT_CONTEXT_LINK),
|
| - isolate);
|
| - }
|
| - return count;
|
| -}
|
| -
|
| -
|
| -// Count the number of user functions in the weak list of optimized
|
| -// functions attached to a native context causing a GC after the
|
| -// specified number of elements.
|
| -static int CountOptimizedUserFunctionsWithGC(v8::Local<v8::Context> context,
|
| - int n) {
|
| - int count = 0;
|
| - Handle<Context> icontext = v8::Utils::OpenHandle(*context);
|
| - Isolate* isolate = icontext->GetIsolate();
|
| - Handle<Object> object(icontext->get(Context::OPTIMIZED_FUNCTIONS_LIST),
|
| - isolate);
|
| - while (object->IsJSFunction() &&
|
| - !Handle<JSFunction>::cast(object)->shared()->IsBuiltin()) {
|
| - count++;
|
| - if (count == n) isolate->heap()->CollectAllGarbage();
|
| - object = Handle<Object>(
|
| - Object::cast(JSFunction::cast(*object)->next_function_link()),
|
| - isolate);
|
| - }
|
| - return count;
|
| -}
|
| -
|
| -
|
| -TEST(TestInternalWeakListsTraverseWithGC) {
|
| - FLAG_always_opt = false;
|
| - FLAG_allow_natives_syntax = true;
|
| - v8::V8::Initialize();
|
| -
|
| - static const int kNumTestContexts = 10;
|
| -
|
| - Isolate* isolate = CcTest::i_isolate();
|
| - HandleScope scope(isolate);
|
| - v8::Local<v8::Context> ctx[kNumTestContexts];
|
| - if (!isolate->use_crankshaft()) return;
|
| -
|
| - CHECK_EQ(0, CountNativeContexts());
|
| -
|
| - // Create an number of contexts and check the length of the weak list both
|
| - // with and without GCs while iterating the list.
|
| - for (int i = 0; i < kNumTestContexts; i++) {
|
| - ctx[i] = v8::Context::New(CcTest::isolate());
|
| - CHECK_EQ(i + 1, CountNativeContexts());
|
| - CHECK_EQ(i + 1, CountNativeContextsWithGC(isolate, i / 2 + 1));
|
| - }
|
| -
|
| - ctx[0]->Enter();
|
| -
|
| - // Compile a number of functions the length of the weak list of optimized
|
| - // functions both with and without GCs while iterating the list.
|
| - CHECK_EQ(0, CountOptimizedUserFunctions(ctx[0]));
|
| - OptimizeEmptyFunction("f1");
|
| - CHECK_EQ(1, CountOptimizedUserFunctions(ctx[0]));
|
| - CHECK_EQ(1, CountOptimizedUserFunctionsWithGC(ctx[0], 1));
|
| - OptimizeEmptyFunction("f2");
|
| - CHECK_EQ(2, CountOptimizedUserFunctions(ctx[0]));
|
| - CHECK_EQ(2, CountOptimizedUserFunctionsWithGC(ctx[0], 1));
|
| - OptimizeEmptyFunction("f3");
|
| - CHECK_EQ(3, CountOptimizedUserFunctions(ctx[0]));
|
| - CHECK_EQ(3, CountOptimizedUserFunctionsWithGC(ctx[0], 1));
|
| - OptimizeEmptyFunction("f4");
|
| - CHECK_EQ(4, CountOptimizedUserFunctions(ctx[0]));
|
| - CHECK_EQ(4, CountOptimizedUserFunctionsWithGC(ctx[0], 2));
|
| - OptimizeEmptyFunction("f5");
|
| - CHECK_EQ(5, CountOptimizedUserFunctions(ctx[0]));
|
| - CHECK_EQ(5, CountOptimizedUserFunctionsWithGC(ctx[0], 4));
|
| -
|
| - ctx[0]->Exit();
|
| -}
|
| -
|
| -
|
| -TEST(TestSizeOfRegExpCode) {
|
| - if (!FLAG_regexp_optimization) return;
|
| -
|
| - v8::V8::Initialize();
|
| -
|
| - Isolate* isolate = CcTest::i_isolate();
|
| - HandleScope scope(isolate);
|
| -
|
| - LocalContext context;
|
| -
|
| - // Adjust source below and this check to match
|
| - // RegExpImple::kRegExpTooLargeToOptimize.
|
| - CHECK_EQ(i::RegExpImpl::kRegExpTooLargeToOptimize, 20 * KB);
|
| -
|
| - // Compile a regexp that is much larger if we are using regexp optimizations.
|
| - CompileRun(
|
| - "var reg_exp_source = '(?:a|bc|def|ghij|klmno|pqrstu)';"
|
| - "var half_size_reg_exp;"
|
| - "while (reg_exp_source.length < 20 * 1024) {"
|
| - " half_size_reg_exp = reg_exp_source;"
|
| - " reg_exp_source = reg_exp_source + reg_exp_source;"
|
| - "}"
|
| - // Flatten string.
|
| - "reg_exp_source.match(/f/);");
|
| -
|
| - // Get initial heap size after several full GCs, which will stabilize
|
| - // the heap size and return with sweeping finished completely.
|
| - CcTest::heap()->CollectAllGarbage();
|
| - CcTest::heap()->CollectAllGarbage();
|
| - CcTest::heap()->CollectAllGarbage();
|
| - CcTest::heap()->CollectAllGarbage();
|
| - CcTest::heap()->CollectAllGarbage();
|
| - MarkCompactCollector* collector = CcTest::heap()->mark_compact_collector();
|
| - if (collector->sweeping_in_progress()) {
|
| - collector->EnsureSweepingCompleted();
|
| - }
|
| - int initial_size = static_cast<int>(CcTest::heap()->SizeOfObjects());
|
| -
|
| - CompileRun("'foo'.match(reg_exp_source);");
|
| - CcTest::heap()->CollectAllGarbage();
|
| - int size_with_regexp = static_cast<int>(CcTest::heap()->SizeOfObjects());
|
| -
|
| - CompileRun("'foo'.match(half_size_reg_exp);");
|
| - CcTest::heap()->CollectAllGarbage();
|
| - int size_with_optimized_regexp =
|
| - static_cast<int>(CcTest::heap()->SizeOfObjects());
|
| -
|
| - int size_of_regexp_code = size_with_regexp - initial_size;
|
| -
|
| - // On some platforms the debug-code flag causes huge amounts of regexp code
|
| - // to be emitted, breaking this test.
|
| - if (!FLAG_debug_code) {
|
| - CHECK_LE(size_of_regexp_code, 1 * MB);
|
| - }
|
| -
|
| - // Small regexp is half the size, but compiles to more than twice the code
|
| - // due to the optimization steps.
|
| - CHECK_GE(size_with_optimized_regexp,
|
| - size_with_regexp + size_of_regexp_code * 2);
|
| -}
|
| -
|
| -
|
| -HEAP_TEST(TestSizeOfObjects) {
|
| - v8::V8::Initialize();
|
| -
|
| - // Get initial heap size after several full GCs, which will stabilize
|
| - // the heap size and return with sweeping finished completely.
|
| - CcTest::heap()->CollectAllGarbage();
|
| - CcTest::heap()->CollectAllGarbage();
|
| - CcTest::heap()->CollectAllGarbage();
|
| - CcTest::heap()->CollectAllGarbage();
|
| - CcTest::heap()->CollectAllGarbage();
|
| - MarkCompactCollector* collector = CcTest::heap()->mark_compact_collector();
|
| - if (collector->sweeping_in_progress()) {
|
| - collector->EnsureSweepingCompleted();
|
| - }
|
| - int initial_size = static_cast<int>(CcTest::heap()->SizeOfObjects());
|
| -
|
| - {
|
| - // Allocate objects on several different old-space pages so that
|
| - // concurrent sweeper threads will be busy sweeping the old space on
|
| - // subsequent GC runs.
|
| - AlwaysAllocateScope always_allocate(CcTest::i_isolate());
|
| - int filler_size = static_cast<int>(FixedArray::SizeFor(8192));
|
| - for (int i = 1; i <= 100; i++) {
|
| - CcTest::heap()->AllocateFixedArray(8192, TENURED).ToObjectChecked();
|
| - CHECK_EQ(initial_size + i * filler_size,
|
| - static_cast<int>(CcTest::heap()->SizeOfObjects()));
|
| - }
|
| - }
|
| -
|
| - // The heap size should go back to initial size after a full GC, even
|
| - // though sweeping didn't finish yet.
|
| - CcTest::heap()->CollectAllGarbage();
|
| -
|
| - // Normally sweeping would not be complete here, but no guarantees.
|
| -
|
| - CHECK_EQ(initial_size, static_cast<int>(CcTest::heap()->SizeOfObjects()));
|
| -
|
| - // Waiting for sweeper threads should not change heap size.
|
| - if (collector->sweeping_in_progress()) {
|
| - collector->EnsureSweepingCompleted();
|
| - }
|
| - CHECK_EQ(initial_size, static_cast<int>(CcTest::heap()->SizeOfObjects()));
|
| -}
|
| -
|
| -
|
| -TEST(TestAlignmentCalculations) {
|
| - // Maximum fill amounts are consistent.
|
| - int maximum_double_misalignment = kDoubleSize - kPointerSize;
|
| - int maximum_simd128_misalignment = kSimd128Size - kPointerSize;
|
| - int max_word_fill = Heap::GetMaximumFillToAlign(kWordAligned);
|
| - CHECK_EQ(0, max_word_fill);
|
| - int max_double_fill = Heap::GetMaximumFillToAlign(kDoubleAligned);
|
| - CHECK_EQ(maximum_double_misalignment, max_double_fill);
|
| - int max_double_unaligned_fill = Heap::GetMaximumFillToAlign(kDoubleUnaligned);
|
| - CHECK_EQ(maximum_double_misalignment, max_double_unaligned_fill);
|
| - int max_simd128_unaligned_fill =
|
| - Heap::GetMaximumFillToAlign(kSimd128Unaligned);
|
| - CHECK_EQ(maximum_simd128_misalignment, max_simd128_unaligned_fill);
|
| -
|
| - Address base = static_cast<Address>(NULL);
|
| - int fill = 0;
|
| -
|
| - // Word alignment never requires fill.
|
| - fill = Heap::GetFillToAlign(base, kWordAligned);
|
| - CHECK_EQ(0, fill);
|
| - fill = Heap::GetFillToAlign(base + kPointerSize, kWordAligned);
|
| - CHECK_EQ(0, fill);
|
| -
|
| - // No fill is required when address is double aligned.
|
| - fill = Heap::GetFillToAlign(base, kDoubleAligned);
|
| - CHECK_EQ(0, fill);
|
| - // Fill is required if address is not double aligned.
|
| - fill = Heap::GetFillToAlign(base + kPointerSize, kDoubleAligned);
|
| - CHECK_EQ(maximum_double_misalignment, fill);
|
| - // kDoubleUnaligned has the opposite fill amounts.
|
| - fill = Heap::GetFillToAlign(base, kDoubleUnaligned);
|
| - CHECK_EQ(maximum_double_misalignment, fill);
|
| - fill = Heap::GetFillToAlign(base + kPointerSize, kDoubleUnaligned);
|
| - CHECK_EQ(0, fill);
|
| -
|
| - // 128 bit SIMD types have 2 or 4 possible alignments, depending on platform.
|
| - fill = Heap::GetFillToAlign(base, kSimd128Unaligned);
|
| - CHECK_EQ((3 * kPointerSize) & kSimd128AlignmentMask, fill);
|
| - fill = Heap::GetFillToAlign(base + kPointerSize, kSimd128Unaligned);
|
| - CHECK_EQ((2 * kPointerSize) & kSimd128AlignmentMask, fill);
|
| - fill = Heap::GetFillToAlign(base + 2 * kPointerSize, kSimd128Unaligned);
|
| - CHECK_EQ(kPointerSize, fill);
|
| - fill = Heap::GetFillToAlign(base + 3 * kPointerSize, kSimd128Unaligned);
|
| - CHECK_EQ(0, fill);
|
| -}
|
| -
|
| -
|
| -static HeapObject* NewSpaceAllocateAligned(int size,
|
| - AllocationAlignment alignment) {
|
| - Heap* heap = CcTest::heap();
|
| - AllocationResult allocation =
|
| - heap->new_space()->AllocateRawAligned(size, alignment);
|
| - HeapObject* obj = NULL;
|
| - allocation.To(&obj);
|
| - heap->CreateFillerObjectAt(obj->address(), size);
|
| - return obj;
|
| -}
|
| -
|
| -
|
| -// Get new space allocation into the desired alignment.
|
| -static Address AlignNewSpace(AllocationAlignment alignment, int offset) {
|
| - Address* top_addr = CcTest::heap()->new_space()->allocation_top_address();
|
| - int fill = Heap::GetFillToAlign(*top_addr, alignment);
|
| - if (fill) {
|
| - NewSpaceAllocateAligned(fill + offset, kWordAligned);
|
| - }
|
| - return *top_addr;
|
| -}
|
| -
|
| -
|
| -TEST(TestAlignedAllocation) {
|
| - // Double misalignment is 4 on 32-bit platforms, 0 on 64-bit ones.
|
| - const intptr_t double_misalignment = kDoubleSize - kPointerSize;
|
| - Address* top_addr = CcTest::heap()->new_space()->allocation_top_address();
|
| - Address start;
|
| - HeapObject* obj;
|
| - HeapObject* filler;
|
| - if (double_misalignment) {
|
| - // Allocate a pointer sized object that must be double aligned at an
|
| - // aligned address.
|
| - start = AlignNewSpace(kDoubleAligned, 0);
|
| - obj = NewSpaceAllocateAligned(kPointerSize, kDoubleAligned);
|
| - CHECK(IsAddressAligned(obj->address(), kDoubleAlignment));
|
| - // There is no filler.
|
| - CHECK_EQ(kPointerSize, *top_addr - start);
|
| -
|
| - // Allocate a second pointer sized object that must be double aligned at an
|
| - // unaligned address.
|
| - start = AlignNewSpace(kDoubleAligned, kPointerSize);
|
| - obj = NewSpaceAllocateAligned(kPointerSize, kDoubleAligned);
|
| - CHECK(IsAddressAligned(obj->address(), kDoubleAlignment));
|
| - // There is a filler object before the object.
|
| - filler = HeapObject::FromAddress(start);
|
| - CHECK(obj != filler && filler->IsFiller() &&
|
| - filler->Size() == kPointerSize);
|
| - CHECK_EQ(kPointerSize + double_misalignment, *top_addr - start);
|
| -
|
| - // Similarly for kDoubleUnaligned.
|
| - start = AlignNewSpace(kDoubleUnaligned, 0);
|
| - obj = NewSpaceAllocateAligned(kPointerSize, kDoubleUnaligned);
|
| - CHECK(IsAddressAligned(obj->address(), kDoubleAlignment, kPointerSize));
|
| - CHECK_EQ(kPointerSize, *top_addr - start);
|
| - start = AlignNewSpace(kDoubleUnaligned, kPointerSize);
|
| - obj = NewSpaceAllocateAligned(kPointerSize, kDoubleUnaligned);
|
| - CHECK(IsAddressAligned(obj->address(), kDoubleAlignment, kPointerSize));
|
| - // There is a filler object before the object.
|
| - filler = HeapObject::FromAddress(start);
|
| - CHECK(obj != filler && filler->IsFiller() &&
|
| - filler->Size() == kPointerSize);
|
| - CHECK_EQ(kPointerSize + double_misalignment, *top_addr - start);
|
| - }
|
| -
|
| - // Now test SIMD alignment. There are 2 or 4 possible alignments, depending
|
| - // on platform.
|
| - start = AlignNewSpace(kSimd128Unaligned, 0);
|
| - obj = NewSpaceAllocateAligned(kPointerSize, kSimd128Unaligned);
|
| - CHECK(IsAddressAligned(obj->address(), kSimd128Alignment, kPointerSize));
|
| - // There is no filler.
|
| - CHECK_EQ(kPointerSize, *top_addr - start);
|
| - start = AlignNewSpace(kSimd128Unaligned, kPointerSize);
|
| - obj = NewSpaceAllocateAligned(kPointerSize, kSimd128Unaligned);
|
| - CHECK(IsAddressAligned(obj->address(), kSimd128Alignment, kPointerSize));
|
| - // There is a filler object before the object.
|
| - filler = HeapObject::FromAddress(start);
|
| - CHECK(obj != filler && filler->IsFiller() &&
|
| - filler->Size() == kSimd128Size - kPointerSize);
|
| - CHECK_EQ(kPointerSize + kSimd128Size - kPointerSize, *top_addr - start);
|
| -
|
| - if (double_misalignment) {
|
| - // Test the 2 other alignments possible on 32 bit platforms.
|
| - start = AlignNewSpace(kSimd128Unaligned, 2 * kPointerSize);
|
| - obj = NewSpaceAllocateAligned(kPointerSize, kSimd128Unaligned);
|
| - CHECK(IsAddressAligned(obj->address(), kSimd128Alignment, kPointerSize));
|
| - // There is a filler object before the object.
|
| - filler = HeapObject::FromAddress(start);
|
| - CHECK(obj != filler && filler->IsFiller() &&
|
| - filler->Size() == 2 * kPointerSize);
|
| - CHECK_EQ(kPointerSize + 2 * kPointerSize, *top_addr - start);
|
| - start = AlignNewSpace(kSimd128Unaligned, 3 * kPointerSize);
|
| - obj = NewSpaceAllocateAligned(kPointerSize, kSimd128Unaligned);
|
| - CHECK(IsAddressAligned(obj->address(), kSimd128Alignment, kPointerSize));
|
| - // There is a filler object before the object.
|
| - filler = HeapObject::FromAddress(start);
|
| - CHECK(obj != filler && filler->IsFiller() &&
|
| - filler->Size() == kPointerSize);
|
| - CHECK_EQ(kPointerSize + kPointerSize, *top_addr - start);
|
| - }
|
| -}
|
| -
|
| -
|
| -static HeapObject* OldSpaceAllocateAligned(int size,
|
| - AllocationAlignment alignment) {
|
| - Heap* heap = CcTest::heap();
|
| - AllocationResult allocation =
|
| - heap->old_space()->AllocateRawAligned(size, alignment);
|
| - HeapObject* obj = NULL;
|
| - allocation.To(&obj);
|
| - heap->CreateFillerObjectAt(obj->address(), size);
|
| - return obj;
|
| -}
|
| -
|
| -
|
| -// Get old space allocation into the desired alignment.
|
| -static Address AlignOldSpace(AllocationAlignment alignment, int offset) {
|
| - Address* top_addr = CcTest::heap()->old_space()->allocation_top_address();
|
| - int fill = Heap::GetFillToAlign(*top_addr, alignment);
|
| - int allocation = fill + offset;
|
| - if (allocation) {
|
| - OldSpaceAllocateAligned(allocation, kWordAligned);
|
| - }
|
| - Address top = *top_addr;
|
| - // Now force the remaining allocation onto the free list.
|
| - CcTest::heap()->old_space()->EmptyAllocationInfo();
|
| - return top;
|
| -}
|
| -
|
| -
|
| -// Test the case where allocation must be done from the free list, so filler
|
| -// may precede or follow the object.
|
| -TEST(TestAlignedOverAllocation) {
|
| - // Double misalignment is 4 on 32-bit platforms, 0 on 64-bit ones.
|
| - const intptr_t double_misalignment = kDoubleSize - kPointerSize;
|
| - Address start;
|
| - HeapObject* obj;
|
| - HeapObject* filler1;
|
| - HeapObject* filler2;
|
| - if (double_misalignment) {
|
| - start = AlignOldSpace(kDoubleAligned, 0);
|
| - obj = OldSpaceAllocateAligned(kPointerSize, kDoubleAligned);
|
| - // The object is aligned, and a filler object is created after.
|
| - CHECK(IsAddressAligned(obj->address(), kDoubleAlignment));
|
| - filler1 = HeapObject::FromAddress(start + kPointerSize);
|
| - CHECK(obj != filler1 && filler1->IsFiller() &&
|
| - filler1->Size() == kPointerSize);
|
| - // Try the opposite alignment case.
|
| - start = AlignOldSpace(kDoubleAligned, kPointerSize);
|
| - obj = OldSpaceAllocateAligned(kPointerSize, kDoubleAligned);
|
| - CHECK(IsAddressAligned(obj->address(), kDoubleAlignment));
|
| - filler1 = HeapObject::FromAddress(start);
|
| - CHECK(obj != filler1);
|
| - CHECK(filler1->IsFiller());
|
| - CHECK(filler1->Size() == kPointerSize);
|
| - CHECK(obj != filler1 && filler1->IsFiller() &&
|
| - filler1->Size() == kPointerSize);
|
| -
|
| - // Similarly for kDoubleUnaligned.
|
| - start = AlignOldSpace(kDoubleUnaligned, 0);
|
| - obj = OldSpaceAllocateAligned(kPointerSize, kDoubleUnaligned);
|
| - // The object is aligned, and a filler object is created after.
|
| - CHECK(IsAddressAligned(obj->address(), kDoubleAlignment, kPointerSize));
|
| - filler1 = HeapObject::FromAddress(start + kPointerSize);
|
| - CHECK(obj != filler1 && filler1->IsFiller() &&
|
| - filler1->Size() == kPointerSize);
|
| - // Try the opposite alignment case.
|
| - start = AlignOldSpace(kDoubleUnaligned, kPointerSize);
|
| - obj = OldSpaceAllocateAligned(kPointerSize, kDoubleUnaligned);
|
| - CHECK(IsAddressAligned(obj->address(), kDoubleAlignment, kPointerSize));
|
| - filler1 = HeapObject::FromAddress(start);
|
| - CHECK(obj != filler1 && filler1->IsFiller() &&
|
| - filler1->Size() == kPointerSize);
|
| - }
|
| -
|
| - // Now test SIMD alignment. There are 2 or 4 possible alignments, depending
|
| - // on platform.
|
| - start = AlignOldSpace(kSimd128Unaligned, 0);
|
| - obj = OldSpaceAllocateAligned(kPointerSize, kSimd128Unaligned);
|
| - CHECK(IsAddressAligned(obj->address(), kSimd128Alignment, kPointerSize));
|
| - // There is a filler object after the object.
|
| - filler1 = HeapObject::FromAddress(start + kPointerSize);
|
| - CHECK(obj != filler1 && filler1->IsFiller() &&
|
| - filler1->Size() == kSimd128Size - kPointerSize);
|
| - start = AlignOldSpace(kSimd128Unaligned, kPointerSize);
|
| - obj = OldSpaceAllocateAligned(kPointerSize, kSimd128Unaligned);
|
| - CHECK(IsAddressAligned(obj->address(), kSimd128Alignment, kPointerSize));
|
| - // There is a filler object before the object.
|
| - filler1 = HeapObject::FromAddress(start);
|
| - CHECK(obj != filler1 && filler1->IsFiller() &&
|
| - filler1->Size() == kSimd128Size - kPointerSize);
|
| -
|
| - if (double_misalignment) {
|
| - // Test the 2 other alignments possible on 32 bit platforms.
|
| - start = AlignOldSpace(kSimd128Unaligned, 2 * kPointerSize);
|
| - obj = OldSpaceAllocateAligned(kPointerSize, kSimd128Unaligned);
|
| - CHECK(IsAddressAligned(obj->address(), kSimd128Alignment, kPointerSize));
|
| - // There are filler objects before and after the object.
|
| - filler1 = HeapObject::FromAddress(start);
|
| - CHECK(obj != filler1 && filler1->IsFiller() &&
|
| - filler1->Size() == 2 * kPointerSize);
|
| - filler2 = HeapObject::FromAddress(start + 3 * kPointerSize);
|
| - CHECK(obj != filler2 && filler2->IsFiller() &&
|
| - filler2->Size() == kPointerSize);
|
| - start = AlignOldSpace(kSimd128Unaligned, 3 * kPointerSize);
|
| - obj = OldSpaceAllocateAligned(kPointerSize, kSimd128Unaligned);
|
| - CHECK(IsAddressAligned(obj->address(), kSimd128Alignment, kPointerSize));
|
| - // There are filler objects before and after the object.
|
| - filler1 = HeapObject::FromAddress(start);
|
| - CHECK(obj != filler1 && filler1->IsFiller() &&
|
| - filler1->Size() == kPointerSize);
|
| - filler2 = HeapObject::FromAddress(start + 2 * kPointerSize);
|
| - CHECK(obj != filler2 && filler2->IsFiller() &&
|
| - filler2->Size() == 2 * kPointerSize);
|
| - }
|
| -}
|
| -
|
| -
|
| -TEST(TestSizeOfObjectsVsHeapIteratorPrecision) {
|
| - CcTest::InitializeVM();
|
| - HeapIterator iterator(CcTest::heap());
|
| - intptr_t size_of_objects_1 = CcTest::heap()->SizeOfObjects();
|
| - intptr_t size_of_objects_2 = 0;
|
| - for (HeapObject* obj = iterator.next();
|
| - obj != NULL;
|
| - obj = iterator.next()) {
|
| - if (!obj->IsFreeSpace()) {
|
| - size_of_objects_2 += obj->Size();
|
| - }
|
| - }
|
| - // Delta must be within 5% of the larger result.
|
| - // TODO(gc): Tighten this up by distinguishing between byte
|
| - // arrays that are real and those that merely mark free space
|
| - // on the heap.
|
| - if (size_of_objects_1 > size_of_objects_2) {
|
| - intptr_t delta = size_of_objects_1 - size_of_objects_2;
|
| - PrintF("Heap::SizeOfObjects: %" V8_PTR_PREFIX "d, "
|
| - "Iterator: %" V8_PTR_PREFIX "d, "
|
| - "delta: %" V8_PTR_PREFIX "d\n",
|
| - size_of_objects_1, size_of_objects_2, delta);
|
| - CHECK_GT(size_of_objects_1 / 20, delta);
|
| - } else {
|
| - intptr_t delta = size_of_objects_2 - size_of_objects_1;
|
| - PrintF("Heap::SizeOfObjects: %" V8_PTR_PREFIX "d, "
|
| - "Iterator: %" V8_PTR_PREFIX "d, "
|
| - "delta: %" V8_PTR_PREFIX "d\n",
|
| - size_of_objects_1, size_of_objects_2, delta);
|
| - CHECK_GT(size_of_objects_2 / 20, delta);
|
| - }
|
| -}
|
| -
|
| -
|
| -static void FillUpNewSpace(NewSpace* new_space) {
|
| - // Fill up new space to the point that it is completely full. Make sure
|
| - // that the scavenger does not undo the filling.
|
| - Heap* heap = new_space->heap();
|
| - Isolate* isolate = heap->isolate();
|
| - Factory* factory = isolate->factory();
|
| - HandleScope scope(isolate);
|
| - AlwaysAllocateScope always_allocate(isolate);
|
| - intptr_t available = new_space->Capacity() - new_space->Size();
|
| - intptr_t number_of_fillers = (available / FixedArray::SizeFor(32)) - 1;
|
| - for (intptr_t i = 0; i < number_of_fillers; i++) {
|
| - CHECK(heap->InNewSpace(*factory->NewFixedArray(32, NOT_TENURED)));
|
| - }
|
| -}
|
| -
|
| -
|
| -TEST(GrowAndShrinkNewSpace) {
|
| - CcTest::InitializeVM();
|
| - Heap* heap = CcTest::heap();
|
| - NewSpace* new_space = heap->new_space();
|
| -
|
| - if (heap->ReservedSemiSpaceSize() == heap->InitialSemiSpaceSize() ||
|
| - heap->MaxSemiSpaceSize() == heap->InitialSemiSpaceSize()) {
|
| - // The max size cannot exceed the reserved size, since semispaces must be
|
| - // always within the reserved space. We can't test new space growing and
|
| - // shrinking if the reserved size is the same as the minimum (initial) size.
|
| - return;
|
| - }
|
| -
|
| - // Explicitly growing should double the space capacity.
|
| - intptr_t old_capacity, new_capacity;
|
| - old_capacity = new_space->TotalCapacity();
|
| - new_space->Grow();
|
| - new_capacity = new_space->TotalCapacity();
|
| - CHECK(2 * old_capacity == new_capacity);
|
| -
|
| - old_capacity = new_space->TotalCapacity();
|
| - FillUpNewSpace(new_space);
|
| - new_capacity = new_space->TotalCapacity();
|
| - CHECK(old_capacity == new_capacity);
|
| -
|
| - // Explicitly shrinking should not affect space capacity.
|
| - old_capacity = new_space->TotalCapacity();
|
| - new_space->Shrink();
|
| - new_capacity = new_space->TotalCapacity();
|
| - CHECK(old_capacity == new_capacity);
|
| -
|
| - // Let the scavenger empty the new space.
|
| - heap->CollectGarbage(NEW_SPACE);
|
| - CHECK_LE(new_space->Size(), old_capacity);
|
| -
|
| - // Explicitly shrinking should halve the space capacity.
|
| - old_capacity = new_space->TotalCapacity();
|
| - new_space->Shrink();
|
| - new_capacity = new_space->TotalCapacity();
|
| - CHECK(old_capacity == 2 * new_capacity);
|
| -
|
| - // Consecutive shrinking should not affect space capacity.
|
| - old_capacity = new_space->TotalCapacity();
|
| - new_space->Shrink();
|
| - new_space->Shrink();
|
| - new_space->Shrink();
|
| - new_capacity = new_space->TotalCapacity();
|
| - CHECK(old_capacity == new_capacity);
|
| -}
|
| -
|
| -
|
| -TEST(CollectingAllAvailableGarbageShrinksNewSpace) {
|
| - CcTest::InitializeVM();
|
| - Heap* heap = CcTest::heap();
|
| - if (heap->ReservedSemiSpaceSize() == heap->InitialSemiSpaceSize() ||
|
| - heap->MaxSemiSpaceSize() == heap->InitialSemiSpaceSize()) {
|
| - // The max size cannot exceed the reserved size, since semispaces must be
|
| - // always within the reserved space. We can't test new space growing and
|
| - // shrinking if the reserved size is the same as the minimum (initial) size.
|
| - return;
|
| - }
|
| -
|
| - v8::HandleScope scope(CcTest::isolate());
|
| - NewSpace* new_space = heap->new_space();
|
| - intptr_t old_capacity, new_capacity;
|
| - old_capacity = new_space->TotalCapacity();
|
| - new_space->Grow();
|
| - new_capacity = new_space->TotalCapacity();
|
| - CHECK(2 * old_capacity == new_capacity);
|
| - FillUpNewSpace(new_space);
|
| - heap->CollectAllAvailableGarbage();
|
| - new_capacity = new_space->TotalCapacity();
|
| - CHECK(old_capacity == new_capacity);
|
| -}
|
| -
|
| -
|
| -static int NumberOfGlobalObjects() {
|
| - int count = 0;
|
| - HeapIterator iterator(CcTest::heap());
|
| - for (HeapObject* obj = iterator.next(); obj != NULL; obj = iterator.next()) {
|
| - if (obj->IsJSGlobalObject()) count++;
|
| - }
|
| - return count;
|
| -}
|
| -
|
| -
|
| -// Test that we don't embed maps from foreign contexts into
|
| -// optimized code.
|
| -TEST(LeakNativeContextViaMap) {
|
| - i::FLAG_allow_natives_syntax = true;
|
| - v8::Isolate* isolate = CcTest::isolate();
|
| - v8::HandleScope outer_scope(isolate);
|
| - v8::Persistent<v8::Context> ctx1p;
|
| - v8::Persistent<v8::Context> ctx2p;
|
| - {
|
| - v8::HandleScope scope(isolate);
|
| - ctx1p.Reset(isolate, v8::Context::New(isolate));
|
| - ctx2p.Reset(isolate, v8::Context::New(isolate));
|
| - v8::Local<v8::Context>::New(isolate, ctx1p)->Enter();
|
| - }
|
| -
|
| - CcTest::heap()->CollectAllAvailableGarbage();
|
| - CHECK_EQ(2, NumberOfGlobalObjects());
|
| -
|
| - {
|
| - v8::HandleScope inner_scope(isolate);
|
| - CompileRun("var v = {x: 42}");
|
| - v8::Local<v8::Context> ctx1 = v8::Local<v8::Context>::New(isolate, ctx1p);
|
| - v8::Local<v8::Context> ctx2 = v8::Local<v8::Context>::New(isolate, ctx2p);
|
| - v8::Local<v8::Value> v =
|
| - ctx1->Global()->Get(ctx1, v8_str("v")).ToLocalChecked();
|
| - ctx2->Enter();
|
| - CHECK(ctx2->Global()->Set(ctx2, v8_str("o"), v).FromJust());
|
| - v8::Local<v8::Value> res = CompileRun(
|
| - "function f() { return o.x; }"
|
| - "for (var i = 0; i < 10; ++i) f();"
|
| - "%OptimizeFunctionOnNextCall(f);"
|
| - "f();");
|
| - CHECK_EQ(42, res->Int32Value(ctx2).FromJust());
|
| - CHECK(ctx2->Global()
|
| - ->Set(ctx2, v8_str("o"), v8::Int32::New(isolate, 0))
|
| - .FromJust());
|
| - ctx2->Exit();
|
| - v8::Local<v8::Context>::New(isolate, ctx1)->Exit();
|
| - ctx1p.Reset();
|
| - isolate->ContextDisposedNotification();
|
| - }
|
| - CcTest::heap()->CollectAllAvailableGarbage();
|
| - CHECK_EQ(1, NumberOfGlobalObjects());
|
| - ctx2p.Reset();
|
| - CcTest::heap()->CollectAllAvailableGarbage();
|
| - CHECK_EQ(0, NumberOfGlobalObjects());
|
| -}
|
| -
|
| -
|
| -// Test that we don't embed functions from foreign contexts into
|
| -// optimized code.
|
| -TEST(LeakNativeContextViaFunction) {
|
| - i::FLAG_allow_natives_syntax = true;
|
| - v8::Isolate* isolate = CcTest::isolate();
|
| - v8::HandleScope outer_scope(isolate);
|
| - v8::Persistent<v8::Context> ctx1p;
|
| - v8::Persistent<v8::Context> ctx2p;
|
| - {
|
| - v8::HandleScope scope(isolate);
|
| - ctx1p.Reset(isolate, v8::Context::New(isolate));
|
| - ctx2p.Reset(isolate, v8::Context::New(isolate));
|
| - v8::Local<v8::Context>::New(isolate, ctx1p)->Enter();
|
| - }
|
| -
|
| - CcTest::heap()->CollectAllAvailableGarbage();
|
| - CHECK_EQ(2, NumberOfGlobalObjects());
|
| -
|
| - {
|
| - v8::HandleScope inner_scope(isolate);
|
| - CompileRun("var v = function() { return 42; }");
|
| - v8::Local<v8::Context> ctx1 = v8::Local<v8::Context>::New(isolate, ctx1p);
|
| - v8::Local<v8::Context> ctx2 = v8::Local<v8::Context>::New(isolate, ctx2p);
|
| - v8::Local<v8::Value> v =
|
| - ctx1->Global()->Get(ctx1, v8_str("v")).ToLocalChecked();
|
| - ctx2->Enter();
|
| - CHECK(ctx2->Global()->Set(ctx2, v8_str("o"), v).FromJust());
|
| - v8::Local<v8::Value> res = CompileRun(
|
| - "function f(x) { return x(); }"
|
| - "for (var i = 0; i < 10; ++i) f(o);"
|
| - "%OptimizeFunctionOnNextCall(f);"
|
| - "f(o);");
|
| - CHECK_EQ(42, res->Int32Value(ctx2).FromJust());
|
| - CHECK(ctx2->Global()
|
| - ->Set(ctx2, v8_str("o"), v8::Int32::New(isolate, 0))
|
| - .FromJust());
|
| - ctx2->Exit();
|
| - ctx1->Exit();
|
| - ctx1p.Reset();
|
| - isolate->ContextDisposedNotification();
|
| - }
|
| - CcTest::heap()->CollectAllAvailableGarbage();
|
| - CHECK_EQ(1, NumberOfGlobalObjects());
|
| - ctx2p.Reset();
|
| - CcTest::heap()->CollectAllAvailableGarbage();
|
| - CHECK_EQ(0, NumberOfGlobalObjects());
|
| -}
|
| -
|
| -
|
| -TEST(LeakNativeContextViaMapKeyed) {
|
| - i::FLAG_allow_natives_syntax = true;
|
| - v8::Isolate* isolate = CcTest::isolate();
|
| - v8::HandleScope outer_scope(isolate);
|
| - v8::Persistent<v8::Context> ctx1p;
|
| - v8::Persistent<v8::Context> ctx2p;
|
| - {
|
| - v8::HandleScope scope(isolate);
|
| - ctx1p.Reset(isolate, v8::Context::New(isolate));
|
| - ctx2p.Reset(isolate, v8::Context::New(isolate));
|
| - v8::Local<v8::Context>::New(isolate, ctx1p)->Enter();
|
| - }
|
| -
|
| - CcTest::heap()->CollectAllAvailableGarbage();
|
| - CHECK_EQ(2, NumberOfGlobalObjects());
|
| -
|
| - {
|
| - v8::HandleScope inner_scope(isolate);
|
| - CompileRun("var v = [42, 43]");
|
| - v8::Local<v8::Context> ctx1 = v8::Local<v8::Context>::New(isolate, ctx1p);
|
| - v8::Local<v8::Context> ctx2 = v8::Local<v8::Context>::New(isolate, ctx2p);
|
| - v8::Local<v8::Value> v =
|
| - ctx1->Global()->Get(ctx1, v8_str("v")).ToLocalChecked();
|
| - ctx2->Enter();
|
| - CHECK(ctx2->Global()->Set(ctx2, v8_str("o"), v).FromJust());
|
| - v8::Local<v8::Value> res = CompileRun(
|
| - "function f() { return o[0]; }"
|
| - "for (var i = 0; i < 10; ++i) f();"
|
| - "%OptimizeFunctionOnNextCall(f);"
|
| - "f();");
|
| - CHECK_EQ(42, res->Int32Value(ctx2).FromJust());
|
| - CHECK(ctx2->Global()
|
| - ->Set(ctx2, v8_str("o"), v8::Int32::New(isolate, 0))
|
| - .FromJust());
|
| - ctx2->Exit();
|
| - ctx1->Exit();
|
| - ctx1p.Reset();
|
| - isolate->ContextDisposedNotification();
|
| - }
|
| - CcTest::heap()->CollectAllAvailableGarbage();
|
| - CHECK_EQ(1, NumberOfGlobalObjects());
|
| - ctx2p.Reset();
|
| - CcTest::heap()->CollectAllAvailableGarbage();
|
| - CHECK_EQ(0, NumberOfGlobalObjects());
|
| -}
|
| -
|
| -
|
| -TEST(LeakNativeContextViaMapProto) {
|
| - i::FLAG_allow_natives_syntax = true;
|
| - v8::Isolate* isolate = CcTest::isolate();
|
| - v8::HandleScope outer_scope(isolate);
|
| - v8::Persistent<v8::Context> ctx1p;
|
| - v8::Persistent<v8::Context> ctx2p;
|
| - {
|
| - v8::HandleScope scope(isolate);
|
| - ctx1p.Reset(isolate, v8::Context::New(isolate));
|
| - ctx2p.Reset(isolate, v8::Context::New(isolate));
|
| - v8::Local<v8::Context>::New(isolate, ctx1p)->Enter();
|
| - }
|
| -
|
| - CcTest::heap()->CollectAllAvailableGarbage();
|
| - CHECK_EQ(2, NumberOfGlobalObjects());
|
| -
|
| - {
|
| - v8::HandleScope inner_scope(isolate);
|
| - CompileRun("var v = { y: 42}");
|
| - v8::Local<v8::Context> ctx1 = v8::Local<v8::Context>::New(isolate, ctx1p);
|
| - v8::Local<v8::Context> ctx2 = v8::Local<v8::Context>::New(isolate, ctx2p);
|
| - v8::Local<v8::Value> v =
|
| - ctx1->Global()->Get(ctx1, v8_str("v")).ToLocalChecked();
|
| - ctx2->Enter();
|
| - CHECK(ctx2->Global()->Set(ctx2, v8_str("o"), v).FromJust());
|
| - v8::Local<v8::Value> res = CompileRun(
|
| - "function f() {"
|
| - " var p = {x: 42};"
|
| - " p.__proto__ = o;"
|
| - " return p.x;"
|
| - "}"
|
| - "for (var i = 0; i < 10; ++i) f();"
|
| - "%OptimizeFunctionOnNextCall(f);"
|
| - "f();");
|
| - CHECK_EQ(42, res->Int32Value(ctx2).FromJust());
|
| - CHECK(ctx2->Global()
|
| - ->Set(ctx2, v8_str("o"), v8::Int32::New(isolate, 0))
|
| - .FromJust());
|
| - ctx2->Exit();
|
| - ctx1->Exit();
|
| - ctx1p.Reset();
|
| - isolate->ContextDisposedNotification();
|
| - }
|
| - CcTest::heap()->CollectAllAvailableGarbage();
|
| - CHECK_EQ(1, NumberOfGlobalObjects());
|
| - ctx2p.Reset();
|
| - CcTest::heap()->CollectAllAvailableGarbage();
|
| - CHECK_EQ(0, NumberOfGlobalObjects());
|
| -}
|
| -
|
| -
|
| -TEST(InstanceOfStubWriteBarrier) {
|
| - i::FLAG_allow_natives_syntax = true;
|
| -#ifdef VERIFY_HEAP
|
| - i::FLAG_verify_heap = true;
|
| -#endif
|
| -
|
| - CcTest::InitializeVM();
|
| - if (!CcTest::i_isolate()->use_crankshaft()) return;
|
| - if (i::FLAG_force_marking_deque_overflows) return;
|
| - v8::HandleScope outer_scope(CcTest::isolate());
|
| - v8::Local<v8::Context> ctx = CcTest::isolate()->GetCurrentContext();
|
| -
|
| - {
|
| - v8::HandleScope scope(CcTest::isolate());
|
| - CompileRun(
|
| - "function foo () { }"
|
| - "function mkbar () { return new (new Function(\"\")) (); }"
|
| - "function f (x) { return (x instanceof foo); }"
|
| - "function g () { f(mkbar()); }"
|
| - "f(new foo()); f(new foo());"
|
| - "%OptimizeFunctionOnNextCall(f);"
|
| - "f(new foo()); g();");
|
| - }
|
| -
|
| - IncrementalMarking* marking = CcTest::heap()->incremental_marking();
|
| - marking->Stop();
|
| - CcTest::heap()->StartIncrementalMarking();
|
| -
|
| - i::Handle<JSFunction> f = i::Handle<JSFunction>::cast(
|
| - v8::Utils::OpenHandle(*v8::Local<v8::Function>::Cast(
|
| - CcTest::global()->Get(ctx, v8_str("f")).ToLocalChecked())));
|
| -
|
| - CHECK(f->IsOptimized());
|
| -
|
| - while (!Marking::IsBlack(Marking::MarkBitFrom(f->code())) &&
|
| - !marking->IsStopped()) {
|
| - // Discard any pending GC requests otherwise we will get GC when we enter
|
| - // code below.
|
| - marking->Step(MB, IncrementalMarking::NO_GC_VIA_STACK_GUARD);
|
| - }
|
| -
|
| - CHECK(marking->IsMarking());
|
| -
|
| - {
|
| - v8::HandleScope scope(CcTest::isolate());
|
| - v8::Local<v8::Object> global = CcTest::global();
|
| - v8::Local<v8::Function> g = v8::Local<v8::Function>::Cast(
|
| - global->Get(ctx, v8_str("g")).ToLocalChecked());
|
| - g->Call(ctx, global, 0, nullptr).ToLocalChecked();
|
| - }
|
| -
|
| - CcTest::heap()->incremental_marking()->set_should_hurry(true);
|
| - CcTest::heap()->CollectGarbage(OLD_SPACE);
|
| -}
|
| -
|
| -
|
| -TEST(PrototypeTransitionClearing) {
|
| - if (FLAG_never_compact) return;
|
| - CcTest::InitializeVM();
|
| - Isolate* isolate = CcTest::i_isolate();
|
| - Factory* factory = isolate->factory();
|
| - v8::HandleScope scope(CcTest::isolate());
|
| - v8::Local<v8::Context> ctx = CcTest::isolate()->GetCurrentContext();
|
| -
|
| - CompileRun("var base = {};");
|
| - i::Handle<JSReceiver> baseObject =
|
| - v8::Utils::OpenHandle(*v8::Local<v8::Object>::Cast(
|
| - CcTest::global()->Get(ctx, v8_str("base")).ToLocalChecked()));
|
| -
|
| - int initialTransitions =
|
| - TransitionArray::NumberOfPrototypeTransitionsForTest(baseObject->map());
|
| -
|
| - CompileRun(
|
| - "var live = [];"
|
| - "for (var i = 0; i < 10; i++) {"
|
| - " var object = {};"
|
| - " var prototype = {};"
|
| - " object.__proto__ = prototype;"
|
| - " if (i >= 3) live.push(object, prototype);"
|
| - "}");
|
| -
|
| - // Verify that only dead prototype transitions are cleared.
|
| - CHECK_EQ(
|
| - initialTransitions + 10,
|
| - TransitionArray::NumberOfPrototypeTransitionsForTest(baseObject->map()));
|
| - CcTest::heap()->CollectAllGarbage();
|
| - const int transitions = 10 - 3;
|
| - CHECK_EQ(
|
| - initialTransitions + transitions,
|
| - TransitionArray::NumberOfPrototypeTransitionsForTest(baseObject->map()));
|
| -
|
| - // Verify that prototype transitions array was compacted.
|
| - FixedArray* trans =
|
| - TransitionArray::GetPrototypeTransitions(baseObject->map());
|
| - for (int i = initialTransitions; i < initialTransitions + transitions; i++) {
|
| - int j = TransitionArray::kProtoTransitionHeaderSize + i;
|
| - CHECK(trans->get(j)->IsWeakCell());
|
| - CHECK(WeakCell::cast(trans->get(j))->value()->IsMap());
|
| - }
|
| -
|
| - // Make sure next prototype is placed on an old-space evacuation candidate.
|
| - Handle<JSObject> prototype;
|
| - PagedSpace* space = CcTest::heap()->old_space();
|
| - {
|
| - AlwaysAllocateScope always_allocate(isolate);
|
| - SimulateFullSpace(space);
|
| - prototype = factory->NewJSArray(32 * KB, FAST_HOLEY_ELEMENTS,
|
| - Strength::WEAK, TENURED);
|
| - }
|
| -
|
| - // Add a prototype on an evacuation candidate and verify that transition
|
| - // clearing correctly records slots in prototype transition array.
|
| - i::FLAG_always_compact = true;
|
| - Handle<Map> map(baseObject->map());
|
| - CHECK(!space->LastPage()->Contains(
|
| - TransitionArray::GetPrototypeTransitions(*map)->address()));
|
| - CHECK(space->LastPage()->Contains(prototype->address()));
|
| -}
|
| -
|
| -
|
| -TEST(ResetSharedFunctionInfoCountersDuringIncrementalMarking) {
|
| - i::FLAG_stress_compaction = false;
|
| - i::FLAG_allow_natives_syntax = true;
|
| -#ifdef VERIFY_HEAP
|
| - i::FLAG_verify_heap = true;
|
| -#endif
|
| -
|
| - CcTest::InitializeVM();
|
| - if (!CcTest::i_isolate()->use_crankshaft()) return;
|
| - v8::HandleScope outer_scope(CcTest::isolate());
|
| - v8::Local<v8::Context> ctx = CcTest::isolate()->GetCurrentContext();
|
| -
|
| - {
|
| - v8::HandleScope scope(CcTest::isolate());
|
| - CompileRun(
|
| - "function f () {"
|
| - " var s = 0;"
|
| - " for (var i = 0; i < 100; i++) s += i;"
|
| - " return s;"
|
| - "}"
|
| - "f(); f();"
|
| - "%OptimizeFunctionOnNextCall(f);"
|
| - "f();");
|
| - }
|
| - i::Handle<JSFunction> f = i::Handle<JSFunction>::cast(
|
| - v8::Utils::OpenHandle(*v8::Local<v8::Function>::Cast(
|
| - CcTest::global()->Get(ctx, v8_str("f")).ToLocalChecked())));
|
| - CHECK(f->IsOptimized());
|
| -
|
| - IncrementalMarking* marking = CcTest::heap()->incremental_marking();
|
| - marking->Stop();
|
| - CcTest::heap()->StartIncrementalMarking();
|
| - // The following calls will increment CcTest::heap()->global_ic_age().
|
| - CcTest::isolate()->ContextDisposedNotification();
|
| - SimulateIncrementalMarking(CcTest::heap());
|
| - CcTest::heap()->CollectAllGarbage();
|
| - CHECK_EQ(CcTest::heap()->global_ic_age(), f->shared()->ic_age());
|
| - CHECK_EQ(0, f->shared()->opt_count());
|
| - CHECK_EQ(0, f->shared()->code()->profiler_ticks());
|
| -}
|
| -
|
| -
|
| -TEST(ResetSharedFunctionInfoCountersDuringMarkSweep) {
|
| - i::FLAG_stress_compaction = false;
|
| - i::FLAG_allow_natives_syntax = true;
|
| -#ifdef VERIFY_HEAP
|
| - i::FLAG_verify_heap = true;
|
| -#endif
|
| -
|
| - CcTest::InitializeVM();
|
| - if (!CcTest::i_isolate()->use_crankshaft()) return;
|
| - v8::HandleScope outer_scope(CcTest::isolate());
|
| - v8::Local<v8::Context> ctx = CcTest::isolate()->GetCurrentContext();
|
| -
|
| - {
|
| - v8::HandleScope scope(CcTest::isolate());
|
| - CompileRun(
|
| - "function f () {"
|
| - " var s = 0;"
|
| - " for (var i = 0; i < 100; i++) s += i;"
|
| - " return s;"
|
| - "}"
|
| - "f(); f();"
|
| - "%OptimizeFunctionOnNextCall(f);"
|
| - "f();");
|
| - }
|
| - i::Handle<JSFunction> f = i::Handle<JSFunction>::cast(
|
| - v8::Utils::OpenHandle(*v8::Local<v8::Function>::Cast(
|
| - CcTest::global()->Get(ctx, v8_str("f")).ToLocalChecked())));
|
| -
|
| - CHECK(f->IsOptimized());
|
| -
|
| - CcTest::heap()->incremental_marking()->Stop();
|
| -
|
| - // The following two calls will increment CcTest::heap()->global_ic_age().
|
| - CcTest::isolate()->ContextDisposedNotification();
|
| - CcTest::heap()->CollectAllGarbage();
|
| -
|
| - CHECK_EQ(CcTest::heap()->global_ic_age(), f->shared()->ic_age());
|
| - CHECK_EQ(0, f->shared()->opt_count());
|
| - CHECK_EQ(0, f->shared()->code()->profiler_ticks());
|
| -}
|
| -
|
| -
|
| -HEAP_TEST(GCFlags) {
|
| - CcTest::InitializeVM();
|
| - Heap* heap = CcTest::heap();
|
| -
|
| - heap->set_current_gc_flags(Heap::kNoGCFlags);
|
| - CHECK_EQ(Heap::kNoGCFlags, heap->current_gc_flags_);
|
| -
|
| - // Set the flags to check whether we appropriately resets them after the GC.
|
| - heap->set_current_gc_flags(Heap::kAbortIncrementalMarkingMask);
|
| - heap->CollectAllGarbage(Heap::kReduceMemoryFootprintMask);
|
| - CHECK_EQ(Heap::kNoGCFlags, heap->current_gc_flags_);
|
| -
|
| - MarkCompactCollector* collector = heap->mark_compact_collector();
|
| - if (collector->sweeping_in_progress()) {
|
| - collector->EnsureSweepingCompleted();
|
| - }
|
| -
|
| - IncrementalMarking* marking = heap->incremental_marking();
|
| - marking->Stop();
|
| - heap->StartIncrementalMarking(Heap::kReduceMemoryFootprintMask);
|
| - CHECK_NE(0, heap->current_gc_flags_ & Heap::kReduceMemoryFootprintMask);
|
| -
|
| - heap->CollectGarbage(NEW_SPACE);
|
| - // NewSpace scavenges should not overwrite the flags.
|
| - CHECK_NE(0, heap->current_gc_flags_ & Heap::kReduceMemoryFootprintMask);
|
| -
|
| - heap->CollectAllGarbage(Heap::kAbortIncrementalMarkingMask);
|
| - CHECK_EQ(Heap::kNoGCFlags, heap->current_gc_flags_);
|
| -}
|
| -
|
| -
|
| -TEST(IdleNotificationFinishMarking) {
|
| - i::FLAG_allow_natives_syntax = true;
|
| - CcTest::InitializeVM();
|
| - SimulateFullSpace(CcTest::heap()->old_space());
|
| - IncrementalMarking* marking = CcTest::heap()->incremental_marking();
|
| - marking->Stop();
|
| - CcTest::heap()->StartIncrementalMarking();
|
| -
|
| - CHECK_EQ(CcTest::heap()->gc_count(), 0);
|
| -
|
| - // TODO(hpayer): We cannot write proper unit test right now for heap.
|
| - // The ideal test would call kMaxIdleMarkingDelayCounter to test the
|
| - // marking delay counter.
|
| -
|
| - // Perform a huge incremental marking step but don't complete marking.
|
| - intptr_t bytes_processed = 0;
|
| - do {
|
| - bytes_processed =
|
| - marking->Step(1 * MB, IncrementalMarking::NO_GC_VIA_STACK_GUARD,
|
| - IncrementalMarking::FORCE_MARKING,
|
| - IncrementalMarking::DO_NOT_FORCE_COMPLETION);
|
| - CHECK(!marking->IsIdleMarkingDelayCounterLimitReached());
|
| - } while (bytes_processed);
|
| -
|
| - // The next invocations of incremental marking are not going to complete
|
| - // marking
|
| - // since the completion threshold is not reached
|
| - for (size_t i = 0; i < IncrementalMarking::kMaxIdleMarkingDelayCounter - 2;
|
| - i++) {
|
| - marking->Step(1 * MB, IncrementalMarking::NO_GC_VIA_STACK_GUARD,
|
| - IncrementalMarking::FORCE_MARKING,
|
| - IncrementalMarking::DO_NOT_FORCE_COMPLETION);
|
| - CHECK(!marking->IsIdleMarkingDelayCounterLimitReached());
|
| - }
|
| -
|
| - marking->SetWeakClosureWasOverApproximatedForTesting(true);
|
| -
|
| - // The next idle notification has to finish incremental marking.
|
| - const double kLongIdleTime = 1000.0;
|
| - CcTest::isolate()->IdleNotificationDeadline(
|
| - (v8::base::TimeTicks::HighResolutionNow().ToInternalValue() /
|
| - static_cast<double>(v8::base::Time::kMicrosecondsPerSecond)) +
|
| - kLongIdleTime);
|
| - CHECK_EQ(CcTest::heap()->gc_count(), 1);
|
| -}
|
| -
|
| -
|
| -// Test that HAllocateObject will always return an object in new-space.
|
| -TEST(OptimizedAllocationAlwaysInNewSpace) {
|
| - i::FLAG_allow_natives_syntax = true;
|
| - CcTest::InitializeVM();
|
| - if (!CcTest::i_isolate()->use_crankshaft() || i::FLAG_always_opt) return;
|
| - if (i::FLAG_gc_global || i::FLAG_stress_compaction) return;
|
| - v8::HandleScope scope(CcTest::isolate());
|
| - v8::Local<v8::Context> ctx = CcTest::isolate()->GetCurrentContext();
|
| - SimulateFullSpace(CcTest::heap()->new_space());
|
| - AlwaysAllocateScope always_allocate(CcTest::i_isolate());
|
| - v8::Local<v8::Value> res = CompileRun(
|
| - "function c(x) {"
|
| - " this.x = x;"
|
| - " for (var i = 0; i < 32; i++) {"
|
| - " this['x' + i] = x;"
|
| - " }"
|
| - "}"
|
| - "function f(x) { return new c(x); };"
|
| - "f(1); f(2); f(3);"
|
| - "%OptimizeFunctionOnNextCall(f);"
|
| - "f(4);");
|
| -
|
| - CHECK_EQ(4, res.As<v8::Object>()
|
| - ->GetRealNamedProperty(ctx, v8_str("x"))
|
| - .ToLocalChecked()
|
| - ->Int32Value(ctx)
|
| - .FromJust());
|
| -
|
| - i::Handle<JSReceiver> o =
|
| - v8::Utils::OpenHandle(*v8::Local<v8::Object>::Cast(res));
|
| -
|
| - CHECK(CcTest::heap()->InNewSpace(*o));
|
| -}
|
| -
|
| -
|
| -TEST(OptimizedPretenuringAllocationFolding) {
|
| - i::FLAG_allow_natives_syntax = true;
|
| - i::FLAG_expose_gc = true;
|
| - CcTest::InitializeVM();
|
| - if (!CcTest::i_isolate()->use_crankshaft() || i::FLAG_always_opt) return;
|
| - if (i::FLAG_gc_global || i::FLAG_stress_compaction) return;
|
| - v8::HandleScope scope(CcTest::isolate());
|
| - v8::Local<v8::Context> ctx = CcTest::isolate()->GetCurrentContext();
|
| - // Grow new space unitl maximum capacity reached.
|
| - while (!CcTest::heap()->new_space()->IsAtMaximumCapacity()) {
|
| - CcTest::heap()->new_space()->Grow();
|
| - }
|
| -
|
| - i::ScopedVector<char> source(1024);
|
| - i::SNPrintF(
|
| - source,
|
| - "var number_elements = %d;"
|
| - "var elements = new Array();"
|
| - "function f() {"
|
| - " for (var i = 0; i < number_elements; i++) {"
|
| - " elements[i] = [[{}], [1.1]];"
|
| - " }"
|
| - " return elements[number_elements-1]"
|
| - "};"
|
| - "f(); gc();"
|
| - "f(); f();"
|
| - "%%OptimizeFunctionOnNextCall(f);"
|
| - "f();",
|
| - AllocationSite::kPretenureMinimumCreated);
|
| -
|
| - v8::Local<v8::Value> res = CompileRun(source.start());
|
| -
|
| - v8::Local<v8::Value> int_array =
|
| - v8::Object::Cast(*res)->Get(ctx, v8_str("0")).ToLocalChecked();
|
| - i::Handle<JSObject> int_array_handle = i::Handle<JSObject>::cast(
|
| - v8::Utils::OpenHandle(*v8::Local<v8::Object>::Cast(int_array)));
|
| - v8::Local<v8::Value> double_array =
|
| - v8::Object::Cast(*res)->Get(ctx, v8_str("1")).ToLocalChecked();
|
| - i::Handle<JSObject> double_array_handle = i::Handle<JSObject>::cast(
|
| - v8::Utils::OpenHandle(*v8::Local<v8::Object>::Cast(double_array)));
|
| -
|
| - i::Handle<JSReceiver> o =
|
| - v8::Utils::OpenHandle(*v8::Local<v8::Object>::Cast(res));
|
| - CHECK(CcTest::heap()->InOldSpace(*o));
|
| - CHECK(CcTest::heap()->InOldSpace(*int_array_handle));
|
| - CHECK(CcTest::heap()->InOldSpace(int_array_handle->elements()));
|
| - CHECK(CcTest::heap()->InOldSpace(*double_array_handle));
|
| - CHECK(CcTest::heap()->InOldSpace(double_array_handle->elements()));
|
| -}
|
| -
|
| -
|
| -TEST(OptimizedPretenuringObjectArrayLiterals) {
|
| - i::FLAG_allow_natives_syntax = true;
|
| - i::FLAG_expose_gc = true;
|
| - CcTest::InitializeVM();
|
| - if (!CcTest::i_isolate()->use_crankshaft() || i::FLAG_always_opt) return;
|
| - if (i::FLAG_gc_global || i::FLAG_stress_compaction) return;
|
| - v8::HandleScope scope(CcTest::isolate());
|
| -
|
| - // Grow new space unitl maximum capacity reached.
|
| - while (!CcTest::heap()->new_space()->IsAtMaximumCapacity()) {
|
| - CcTest::heap()->new_space()->Grow();
|
| - }
|
| -
|
| - i::ScopedVector<char> source(1024);
|
| - i::SNPrintF(
|
| - source,
|
| - "var number_elements = %d;"
|
| - "var elements = new Array(number_elements);"
|
| - "function f() {"
|
| - " for (var i = 0; i < number_elements; i++) {"
|
| - " elements[i] = [{}, {}, {}];"
|
| - " }"
|
| - " return elements[number_elements - 1];"
|
| - "};"
|
| - "f(); gc();"
|
| - "f(); f();"
|
| - "%%OptimizeFunctionOnNextCall(f);"
|
| - "f();",
|
| - AllocationSite::kPretenureMinimumCreated);
|
| -
|
| - v8::Local<v8::Value> res = CompileRun(source.start());
|
| -
|
| - i::Handle<JSObject> o = Handle<JSObject>::cast(
|
| - v8::Utils::OpenHandle(*v8::Local<v8::Object>::Cast(res)));
|
| -
|
| - CHECK(CcTest::heap()->InOldSpace(o->elements()));
|
| - CHECK(CcTest::heap()->InOldSpace(*o));
|
| -}
|
| -
|
| -
|
| -TEST(OptimizedPretenuringMixedInObjectProperties) {
|
| - i::FLAG_allow_natives_syntax = true;
|
| - i::FLAG_expose_gc = true;
|
| - CcTest::InitializeVM();
|
| - if (!CcTest::i_isolate()->use_crankshaft() || i::FLAG_always_opt) return;
|
| - if (i::FLAG_gc_global || i::FLAG_stress_compaction) return;
|
| - v8::HandleScope scope(CcTest::isolate());
|
| -
|
| - // Grow new space unitl maximum capacity reached.
|
| - while (!CcTest::heap()->new_space()->IsAtMaximumCapacity()) {
|
| - CcTest::heap()->new_space()->Grow();
|
| - }
|
| -
|
| -
|
| - i::ScopedVector<char> source(1024);
|
| - i::SNPrintF(
|
| - source,
|
| - "var number_elements = %d;"
|
| - "var elements = new Array(number_elements);"
|
| - "function f() {"
|
| - " for (var i = 0; i < number_elements; i++) {"
|
| - " elements[i] = {a: {c: 2.2, d: {}}, b: 1.1};"
|
| - " }"
|
| - " return elements[number_elements - 1];"
|
| - "};"
|
| - "f(); gc();"
|
| - "f(); f();"
|
| - "%%OptimizeFunctionOnNextCall(f);"
|
| - "f();",
|
| - AllocationSite::kPretenureMinimumCreated);
|
| -
|
| - v8::Local<v8::Value> res = CompileRun(source.start());
|
| -
|
| - i::Handle<JSObject> o = Handle<JSObject>::cast(
|
| - v8::Utils::OpenHandle(*v8::Local<v8::Object>::Cast(res)));
|
| -
|
| - CHECK(CcTest::heap()->InOldSpace(*o));
|
| - FieldIndex idx1 = FieldIndex::ForPropertyIndex(o->map(), 0);
|
| - FieldIndex idx2 = FieldIndex::ForPropertyIndex(o->map(), 1);
|
| - CHECK(CcTest::heap()->InOldSpace(o->RawFastPropertyAt(idx1)));
|
| - if (!o->IsUnboxedDoubleField(idx2)) {
|
| - CHECK(CcTest::heap()->InOldSpace(o->RawFastPropertyAt(idx2)));
|
| - } else {
|
| - CHECK_EQ(1.1, o->RawFastDoublePropertyAt(idx2));
|
| - }
|
| -
|
| - JSObject* inner_object =
|
| - reinterpret_cast<JSObject*>(o->RawFastPropertyAt(idx1));
|
| - CHECK(CcTest::heap()->InOldSpace(inner_object));
|
| - if (!inner_object->IsUnboxedDoubleField(idx1)) {
|
| - CHECK(CcTest::heap()->InOldSpace(inner_object->RawFastPropertyAt(idx1)));
|
| - } else {
|
| - CHECK_EQ(2.2, inner_object->RawFastDoublePropertyAt(idx1));
|
| - }
|
| - CHECK(CcTest::heap()->InOldSpace(inner_object->RawFastPropertyAt(idx2)));
|
| -}
|
| -
|
| -
|
| -TEST(OptimizedPretenuringDoubleArrayProperties) {
|
| - i::FLAG_allow_natives_syntax = true;
|
| - i::FLAG_expose_gc = true;
|
| - CcTest::InitializeVM();
|
| - if (!CcTest::i_isolate()->use_crankshaft() || i::FLAG_always_opt) return;
|
| - if (i::FLAG_gc_global || i::FLAG_stress_compaction) return;
|
| - v8::HandleScope scope(CcTest::isolate());
|
| -
|
| - // Grow new space unitl maximum capacity reached.
|
| - while (!CcTest::heap()->new_space()->IsAtMaximumCapacity()) {
|
| - CcTest::heap()->new_space()->Grow();
|
| - }
|
| -
|
| - i::ScopedVector<char> source(1024);
|
| - i::SNPrintF(
|
| - source,
|
| - "var number_elements = %d;"
|
| - "var elements = new Array(number_elements);"
|
| - "function f() {"
|
| - " for (var i = 0; i < number_elements; i++) {"
|
| - " elements[i] = {a: 1.1, b: 2.2};"
|
| - " }"
|
| - " return elements[i - 1];"
|
| - "};"
|
| - "f(); gc();"
|
| - "f(); f();"
|
| - "%%OptimizeFunctionOnNextCall(f);"
|
| - "f();",
|
| - AllocationSite::kPretenureMinimumCreated);
|
| -
|
| - v8::Local<v8::Value> res = CompileRun(source.start());
|
| -
|
| - i::Handle<JSObject> o = Handle<JSObject>::cast(
|
| - v8::Utils::OpenHandle(*v8::Local<v8::Object>::Cast(res)));
|
| -
|
| - CHECK(CcTest::heap()->InOldSpace(*o));
|
| - CHECK(CcTest::heap()->InOldSpace(o->properties()));
|
| -}
|
| -
|
| -
|
| -TEST(OptimizedPretenuringdoubleArrayLiterals) {
|
| - i::FLAG_allow_natives_syntax = true;
|
| - i::FLAG_expose_gc = true;
|
| - CcTest::InitializeVM();
|
| - if (!CcTest::i_isolate()->use_crankshaft() || i::FLAG_always_opt) return;
|
| - if (i::FLAG_gc_global || i::FLAG_stress_compaction) return;
|
| - v8::HandleScope scope(CcTest::isolate());
|
| -
|
| - // Grow new space unitl maximum capacity reached.
|
| - while (!CcTest::heap()->new_space()->IsAtMaximumCapacity()) {
|
| - CcTest::heap()->new_space()->Grow();
|
| - }
|
| -
|
| - i::ScopedVector<char> source(1024);
|
| - i::SNPrintF(
|
| - source,
|
| - "var number_elements = %d;"
|
| - "var elements = new Array(number_elements);"
|
| - "function f() {"
|
| - " for (var i = 0; i < number_elements; i++) {"
|
| - " elements[i] = [1.1, 2.2, 3.3];"
|
| - " }"
|
| - " return elements[number_elements - 1];"
|
| - "};"
|
| - "f(); gc();"
|
| - "f(); f();"
|
| - "%%OptimizeFunctionOnNextCall(f);"
|
| - "f();",
|
| - AllocationSite::kPretenureMinimumCreated);
|
| -
|
| - v8::Local<v8::Value> res = CompileRun(source.start());
|
| -
|
| - i::Handle<JSObject> o = Handle<JSObject>::cast(
|
| - v8::Utils::OpenHandle(*v8::Local<v8::Object>::Cast(res)));
|
| -
|
| - CHECK(CcTest::heap()->InOldSpace(o->elements()));
|
| - CHECK(CcTest::heap()->InOldSpace(*o));
|
| -}
|
| -
|
| -
|
| -TEST(OptimizedPretenuringNestedMixedArrayLiterals) {
|
| - i::FLAG_allow_natives_syntax = true;
|
| - i::FLAG_expose_gc = true;
|
| - CcTest::InitializeVM();
|
| - if (!CcTest::i_isolate()->use_crankshaft() || i::FLAG_always_opt) return;
|
| - if (i::FLAG_gc_global || i::FLAG_stress_compaction) return;
|
| - v8::HandleScope scope(CcTest::isolate());
|
| - v8::Local<v8::Context> ctx = CcTest::isolate()->GetCurrentContext();
|
| - // Grow new space unitl maximum capacity reached.
|
| - while (!CcTest::heap()->new_space()->IsAtMaximumCapacity()) {
|
| - CcTest::heap()->new_space()->Grow();
|
| - }
|
| -
|
| - i::ScopedVector<char> source(1024);
|
| - i::SNPrintF(
|
| - source,
|
| - "var number_elements = 100;"
|
| - "var elements = new Array(number_elements);"
|
| - "function f() {"
|
| - " for (var i = 0; i < number_elements; i++) {"
|
| - " elements[i] = [[{}, {}, {}], [1.1, 2.2, 3.3]];"
|
| - " }"
|
| - " return elements[number_elements - 1];"
|
| - "};"
|
| - "f(); gc();"
|
| - "f(); f();"
|
| - "%%OptimizeFunctionOnNextCall(f);"
|
| - "f();");
|
| -
|
| - v8::Local<v8::Value> res = CompileRun(source.start());
|
| -
|
| - v8::Local<v8::Value> int_array =
|
| - v8::Object::Cast(*res)->Get(ctx, v8_str("0")).ToLocalChecked();
|
| - i::Handle<JSObject> int_array_handle = i::Handle<JSObject>::cast(
|
| - v8::Utils::OpenHandle(*v8::Local<v8::Object>::Cast(int_array)));
|
| - v8::Local<v8::Value> double_array =
|
| - v8::Object::Cast(*res)->Get(ctx, v8_str("1")).ToLocalChecked();
|
| - i::Handle<JSObject> double_array_handle = i::Handle<JSObject>::cast(
|
| - v8::Utils::OpenHandle(*v8::Local<v8::Object>::Cast(double_array)));
|
| -
|
| - Handle<JSObject> o = Handle<JSObject>::cast(
|
| - v8::Utils::OpenHandle(*v8::Local<v8::Object>::Cast(res)));
|
| - CHECK(CcTest::heap()->InOldSpace(*o));
|
| - CHECK(CcTest::heap()->InOldSpace(*int_array_handle));
|
| - CHECK(CcTest::heap()->InOldSpace(int_array_handle->elements()));
|
| - CHECK(CcTest::heap()->InOldSpace(*double_array_handle));
|
| - CHECK(CcTest::heap()->InOldSpace(double_array_handle->elements()));
|
| -}
|
| -
|
| -
|
| -TEST(OptimizedPretenuringNestedObjectLiterals) {
|
| - i::FLAG_allow_natives_syntax = true;
|
| - i::FLAG_expose_gc = true;
|
| - CcTest::InitializeVM();
|
| - if (!CcTest::i_isolate()->use_crankshaft() || i::FLAG_always_opt) return;
|
| - if (i::FLAG_gc_global || i::FLAG_stress_compaction) return;
|
| - v8::HandleScope scope(CcTest::isolate());
|
| - v8::Local<v8::Context> ctx = CcTest::isolate()->GetCurrentContext();
|
| - // Grow new space unitl maximum capacity reached.
|
| - while (!CcTest::heap()->new_space()->IsAtMaximumCapacity()) {
|
| - CcTest::heap()->new_space()->Grow();
|
| - }
|
| -
|
| - i::ScopedVector<char> source(1024);
|
| - i::SNPrintF(
|
| - source,
|
| - "var number_elements = %d;"
|
| - "var elements = new Array(number_elements);"
|
| - "function f() {"
|
| - " for (var i = 0; i < number_elements; i++) {"
|
| - " elements[i] = [[{}, {}, {}],[{}, {}, {}]];"
|
| - " }"
|
| - " return elements[number_elements - 1];"
|
| - "};"
|
| - "f(); gc();"
|
| - "f(); f();"
|
| - "%%OptimizeFunctionOnNextCall(f);"
|
| - "f();",
|
| - AllocationSite::kPretenureMinimumCreated);
|
| -
|
| - v8::Local<v8::Value> res = CompileRun(source.start());
|
| -
|
| - v8::Local<v8::Value> int_array_1 =
|
| - v8::Object::Cast(*res)->Get(ctx, v8_str("0")).ToLocalChecked();
|
| - Handle<JSObject> int_array_handle_1 = Handle<JSObject>::cast(
|
| - v8::Utils::OpenHandle(*v8::Local<v8::Object>::Cast(int_array_1)));
|
| - v8::Local<v8::Value> int_array_2 =
|
| - v8::Object::Cast(*res)->Get(ctx, v8_str("1")).ToLocalChecked();
|
| - Handle<JSObject> int_array_handle_2 = Handle<JSObject>::cast(
|
| - v8::Utils::OpenHandle(*v8::Local<v8::Object>::Cast(int_array_2)));
|
| -
|
| - Handle<JSObject> o = Handle<JSObject>::cast(
|
| - v8::Utils::OpenHandle(*v8::Local<v8::Object>::Cast(res)));
|
| - CHECK(CcTest::heap()->InOldSpace(*o));
|
| - CHECK(CcTest::heap()->InOldSpace(*int_array_handle_1));
|
| - CHECK(CcTest::heap()->InOldSpace(int_array_handle_1->elements()));
|
| - CHECK(CcTest::heap()->InOldSpace(*int_array_handle_2));
|
| - CHECK(CcTest::heap()->InOldSpace(int_array_handle_2->elements()));
|
| -}
|
| -
|
| -
|
| -TEST(OptimizedPretenuringNestedDoubleLiterals) {
|
| - i::FLAG_allow_natives_syntax = true;
|
| - i::FLAG_expose_gc = true;
|
| - CcTest::InitializeVM();
|
| - if (!CcTest::i_isolate()->use_crankshaft() || i::FLAG_always_opt) return;
|
| - if (i::FLAG_gc_global || i::FLAG_stress_compaction) return;
|
| - v8::HandleScope scope(CcTest::isolate());
|
| - v8::Local<v8::Context> ctx = CcTest::isolate()->GetCurrentContext();
|
| - // Grow new space unitl maximum capacity reached.
|
| - while (!CcTest::heap()->new_space()->IsAtMaximumCapacity()) {
|
| - CcTest::heap()->new_space()->Grow();
|
| - }
|
| -
|
| - i::ScopedVector<char> source(1024);
|
| - i::SNPrintF(
|
| - source,
|
| - "var number_elements = %d;"
|
| - "var elements = new Array(number_elements);"
|
| - "function f() {"
|
| - " for (var i = 0; i < number_elements; i++) {"
|
| - " elements[i] = [[1.1, 1.2, 1.3],[2.1, 2.2, 2.3]];"
|
| - " }"
|
| - " return elements[number_elements - 1];"
|
| - "};"
|
| - "f(); gc();"
|
| - "f(); f();"
|
| - "%%OptimizeFunctionOnNextCall(f);"
|
| - "f();",
|
| - AllocationSite::kPretenureMinimumCreated);
|
| -
|
| - v8::Local<v8::Value> res = CompileRun(source.start());
|
| -
|
| - v8::Local<v8::Value> double_array_1 =
|
| - v8::Object::Cast(*res)->Get(ctx, v8_str("0")).ToLocalChecked();
|
| - i::Handle<JSObject> double_array_handle_1 = i::Handle<JSObject>::cast(
|
| - v8::Utils::OpenHandle(*v8::Local<v8::Object>::Cast(double_array_1)));
|
| - v8::Local<v8::Value> double_array_2 =
|
| - v8::Object::Cast(*res)->Get(ctx, v8_str("1")).ToLocalChecked();
|
| - i::Handle<JSObject> double_array_handle_2 = Handle<JSObject>::cast(
|
| - v8::Utils::OpenHandle(*v8::Local<v8::Object>::Cast(double_array_2)));
|
| -
|
| - i::Handle<JSObject> o = Handle<JSObject>::cast(
|
| - v8::Utils::OpenHandle(*v8::Local<v8::Object>::Cast(res)));
|
| - CHECK(CcTest::heap()->InOldSpace(*o));
|
| - CHECK(CcTest::heap()->InOldSpace(*double_array_handle_1));
|
| - CHECK(CcTest::heap()->InOldSpace(double_array_handle_1->elements()));
|
| - CHECK(CcTest::heap()->InOldSpace(*double_array_handle_2));
|
| - CHECK(CcTest::heap()->InOldSpace(double_array_handle_2->elements()));
|
| -}
|
| -
|
| -
|
| -// Test regular array literals allocation.
|
| -TEST(OptimizedAllocationArrayLiterals) {
|
| - i::FLAG_allow_natives_syntax = true;
|
| - CcTest::InitializeVM();
|
| - if (!CcTest::i_isolate()->use_crankshaft() || i::FLAG_always_opt) return;
|
| - if (i::FLAG_gc_global || i::FLAG_stress_compaction) return;
|
| - v8::HandleScope scope(CcTest::isolate());
|
| - v8::Local<v8::Context> ctx = CcTest::isolate()->GetCurrentContext();
|
| - v8::Local<v8::Value> res = CompileRun(
|
| - "function f() {"
|
| - " var numbers = new Array(1, 2, 3);"
|
| - " numbers[0] = 3.14;"
|
| - " return numbers;"
|
| - "};"
|
| - "f(); f(); f();"
|
| - "%OptimizeFunctionOnNextCall(f);"
|
| - "f();");
|
| - CHECK_EQ(static_cast<int>(3.14), v8::Object::Cast(*res)
|
| - ->Get(ctx, v8_str("0"))
|
| - .ToLocalChecked()
|
| - ->Int32Value(ctx)
|
| - .FromJust());
|
| -
|
| - i::Handle<JSObject> o = Handle<JSObject>::cast(
|
| - v8::Utils::OpenHandle(*v8::Local<v8::Object>::Cast(res)));
|
| -
|
| - CHECK(CcTest::heap()->InNewSpace(o->elements()));
|
| -}
|
| -
|
| -
|
| -static int CountMapTransitions(Map* map) {
|
| - return TransitionArray::NumberOfTransitions(map->raw_transitions());
|
| -}
|
| -
|
| -
|
| -// Test that map transitions are cleared and maps are collected with
|
| -// incremental marking as well.
|
| -TEST(Regress1465) {
|
| - i::FLAG_stress_compaction = false;
|
| - i::FLAG_allow_natives_syntax = true;
|
| - i::FLAG_trace_incremental_marking = true;
|
| - i::FLAG_retain_maps_for_n_gc = 0;
|
| - CcTest::InitializeVM();
|
| - v8::HandleScope scope(CcTest::isolate());
|
| - v8::Local<v8::Context> ctx = CcTest::isolate()->GetCurrentContext();
|
| - static const int transitions_count = 256;
|
| -
|
| - CompileRun("function F() {}");
|
| - {
|
| - AlwaysAllocateScope always_allocate(CcTest::i_isolate());
|
| - for (int i = 0; i < transitions_count; i++) {
|
| - EmbeddedVector<char, 64> buffer;
|
| - SNPrintF(buffer, "var o = new F; o.prop%d = %d;", i, i);
|
| - CompileRun(buffer.start());
|
| - }
|
| - CompileRun("var root = new F;");
|
| - }
|
| -
|
| - i::Handle<JSReceiver> root =
|
| - v8::Utils::OpenHandle(*v8::Local<v8::Object>::Cast(
|
| - CcTest::global()->Get(ctx, v8_str("root")).ToLocalChecked()));
|
| -
|
| - // Count number of live transitions before marking.
|
| - int transitions_before = CountMapTransitions(root->map());
|
| - CompileRun("%DebugPrint(root);");
|
| - CHECK_EQ(transitions_count, transitions_before);
|
| -
|
| - SimulateIncrementalMarking(CcTest::heap());
|
| - CcTest::heap()->CollectAllGarbage();
|
| -
|
| - // Count number of live transitions after marking. Note that one transition
|
| - // is left, because 'o' still holds an instance of one transition target.
|
| - int transitions_after = CountMapTransitions(root->map());
|
| - CompileRun("%DebugPrint(root);");
|
| - CHECK_EQ(1, transitions_after);
|
| -}
|
| -
|
| -
|
| -#ifdef DEBUG
|
| -static void AddTransitions(int transitions_count) {
|
| - AlwaysAllocateScope always_allocate(CcTest::i_isolate());
|
| - for (int i = 0; i < transitions_count; i++) {
|
| - EmbeddedVector<char, 64> buffer;
|
| - SNPrintF(buffer, "var o = new F; o.prop%d = %d;", i, i);
|
| - CompileRun(buffer.start());
|
| - }
|
| -}
|
| -
|
| -
|
| -static i::Handle<JSObject> GetByName(const char* name) {
|
| - return i::Handle<JSObject>::cast(
|
| - v8::Utils::OpenHandle(*v8::Local<v8::Object>::Cast(
|
| - CcTest::global()
|
| - ->Get(CcTest::isolate()->GetCurrentContext(), v8_str(name))
|
| - .ToLocalChecked())));
|
| -}
|
| -
|
| -
|
| -static void AddPropertyTo(
|
| - int gc_count, Handle<JSObject> object, const char* property_name) {
|
| - Isolate* isolate = CcTest::i_isolate();
|
| - Factory* factory = isolate->factory();
|
| - Handle<String> prop_name = factory->InternalizeUtf8String(property_name);
|
| - Handle<Smi> twenty_three(Smi::FromInt(23), isolate);
|
| - i::FLAG_gc_interval = gc_count;
|
| - i::FLAG_gc_global = true;
|
| - i::FLAG_retain_maps_for_n_gc = 0;
|
| - CcTest::heap()->set_allocation_timeout(gc_count);
|
| - JSReceiver::SetProperty(object, prop_name, twenty_three, SLOPPY).Check();
|
| -}
|
| -
|
| -
|
| -TEST(TransitionArrayShrinksDuringAllocToZero) {
|
| - i::FLAG_stress_compaction = false;
|
| - i::FLAG_allow_natives_syntax = true;
|
| - CcTest::InitializeVM();
|
| - v8::HandleScope scope(CcTest::isolate());
|
| - static const int transitions_count = 10;
|
| - CompileRun("function F() { }");
|
| - AddTransitions(transitions_count);
|
| - CompileRun("var root = new F;");
|
| - Handle<JSObject> root = GetByName("root");
|
| -
|
| - // Count number of live transitions before marking.
|
| - int transitions_before = CountMapTransitions(root->map());
|
| - CHECK_EQ(transitions_count, transitions_before);
|
| -
|
| - // Get rid of o
|
| - CompileRun("o = new F;"
|
| - "root = new F");
|
| - root = GetByName("root");
|
| - AddPropertyTo(2, root, "funny");
|
| - CcTest::heap()->CollectGarbage(NEW_SPACE);
|
| -
|
| - // Count number of live transitions after marking. Note that one transition
|
| - // is left, because 'o' still holds an instance of one transition target.
|
| - int transitions_after = CountMapTransitions(
|
| - Map::cast(root->map()->GetBackPointer()));
|
| - CHECK_EQ(1, transitions_after);
|
| -}
|
| -
|
| -
|
| -TEST(TransitionArrayShrinksDuringAllocToOne) {
|
| - i::FLAG_stress_compaction = false;
|
| - i::FLAG_allow_natives_syntax = true;
|
| - CcTest::InitializeVM();
|
| - v8::HandleScope scope(CcTest::isolate());
|
| - static const int transitions_count = 10;
|
| - CompileRun("function F() {}");
|
| - AddTransitions(transitions_count);
|
| - CompileRun("var root = new F;");
|
| - Handle<JSObject> root = GetByName("root");
|
| -
|
| - // Count number of live transitions before marking.
|
| - int transitions_before = CountMapTransitions(root->map());
|
| - CHECK_EQ(transitions_count, transitions_before);
|
| -
|
| - root = GetByName("root");
|
| - AddPropertyTo(2, root, "funny");
|
| - CcTest::heap()->CollectGarbage(NEW_SPACE);
|
| -
|
| - // Count number of live transitions after marking. Note that one transition
|
| - // is left, because 'o' still holds an instance of one transition target.
|
| - int transitions_after = CountMapTransitions(
|
| - Map::cast(root->map()->GetBackPointer()));
|
| - CHECK_EQ(2, transitions_after);
|
| -}
|
| -
|
| -
|
| -TEST(TransitionArrayShrinksDuringAllocToOnePropertyFound) {
|
| - i::FLAG_stress_compaction = false;
|
| - i::FLAG_allow_natives_syntax = true;
|
| - CcTest::InitializeVM();
|
| - v8::HandleScope scope(CcTest::isolate());
|
| - static const int transitions_count = 10;
|
| - CompileRun("function F() {}");
|
| - AddTransitions(transitions_count);
|
| - CompileRun("var root = new F;");
|
| - Handle<JSObject> root = GetByName("root");
|
| -
|
| - // Count number of live transitions before marking.
|
| - int transitions_before = CountMapTransitions(root->map());
|
| - CHECK_EQ(transitions_count, transitions_before);
|
| -
|
| - root = GetByName("root");
|
| - AddPropertyTo(0, root, "prop9");
|
| - CcTest::i_isolate()->heap()->CollectGarbage(OLD_SPACE);
|
| -
|
| - // Count number of live transitions after marking. Note that one transition
|
| - // is left, because 'o' still holds an instance of one transition target.
|
| - int transitions_after = CountMapTransitions(
|
| - Map::cast(root->map()->GetBackPointer()));
|
| - CHECK_EQ(1, transitions_after);
|
| -}
|
| -
|
| -
|
| -TEST(TransitionArraySimpleToFull) {
|
| - i::FLAG_stress_compaction = false;
|
| - i::FLAG_allow_natives_syntax = true;
|
| - CcTest::InitializeVM();
|
| - v8::HandleScope scope(CcTest::isolate());
|
| - static const int transitions_count = 1;
|
| - CompileRun("function F() {}");
|
| - AddTransitions(transitions_count);
|
| - CompileRun("var root = new F;");
|
| - Handle<JSObject> root = GetByName("root");
|
| -
|
| - // Count number of live transitions before marking.
|
| - int transitions_before = CountMapTransitions(root->map());
|
| - CHECK_EQ(transitions_count, transitions_before);
|
| -
|
| - CompileRun("o = new F;"
|
| - "root = new F");
|
| - root = GetByName("root");
|
| - CHECK(TransitionArray::IsSimpleTransition(root->map()->raw_transitions()));
|
| - AddPropertyTo(2, root, "happy");
|
| -
|
| - // Count number of live transitions after marking. Note that one transition
|
| - // is left, because 'o' still holds an instance of one transition target.
|
| - int transitions_after = CountMapTransitions(
|
| - Map::cast(root->map()->GetBackPointer()));
|
| - CHECK_EQ(1, transitions_after);
|
| -}
|
| -#endif // DEBUG
|
| -
|
| -
|
| -TEST(Regress2143a) {
|
| - i::FLAG_incremental_marking = true;
|
| - CcTest::InitializeVM();
|
| - v8::HandleScope scope(CcTest::isolate());
|
| -
|
| - // Prepare a map transition from the root object together with a yet
|
| - // untransitioned root object.
|
| - CompileRun("var root = new Object;"
|
| - "root.foo = 0;"
|
| - "root = new Object;");
|
| -
|
| - SimulateIncrementalMarking(CcTest::heap());
|
| -
|
| - // Compile a StoreIC that performs the prepared map transition. This
|
| - // will restart incremental marking and should make sure the root is
|
| - // marked grey again.
|
| - CompileRun("function f(o) {"
|
| - " o.foo = 0;"
|
| - "}"
|
| - "f(new Object);"
|
| - "f(root);");
|
| -
|
| - // This bug only triggers with aggressive IC clearing.
|
| - CcTest::heap()->AgeInlineCaches();
|
| -
|
| - // Explicitly request GC to perform final marking step and sweeping.
|
| - CcTest::heap()->CollectAllGarbage();
|
| -
|
| - Handle<JSReceiver> root = v8::Utils::OpenHandle(*v8::Local<v8::Object>::Cast(
|
| - CcTest::global()
|
| - ->Get(CcTest::isolate()->GetCurrentContext(), v8_str("root"))
|
| - .ToLocalChecked()));
|
| -
|
| - // The root object should be in a sane state.
|
| - CHECK(root->IsJSObject());
|
| - CHECK(root->map()->IsMap());
|
| -}
|
| -
|
| -
|
| -TEST(Regress2143b) {
|
| - i::FLAG_incremental_marking = true;
|
| - i::FLAG_allow_natives_syntax = true;
|
| - CcTest::InitializeVM();
|
| - v8::HandleScope scope(CcTest::isolate());
|
| -
|
| - // Prepare a map transition from the root object together with a yet
|
| - // untransitioned root object.
|
| - CompileRun("var root = new Object;"
|
| - "root.foo = 0;"
|
| - "root = new Object;");
|
| -
|
| - SimulateIncrementalMarking(CcTest::heap());
|
| -
|
| - // Compile an optimized LStoreNamedField that performs the prepared
|
| - // map transition. This will restart incremental marking and should
|
| - // make sure the root is marked grey again.
|
| - CompileRun("function f(o) {"
|
| - " o.foo = 0;"
|
| - "}"
|
| - "f(new Object);"
|
| - "f(new Object);"
|
| - "%OptimizeFunctionOnNextCall(f);"
|
| - "f(root);"
|
| - "%DeoptimizeFunction(f);");
|
| -
|
| - // This bug only triggers with aggressive IC clearing.
|
| - CcTest::heap()->AgeInlineCaches();
|
| -
|
| - // Explicitly request GC to perform final marking step and sweeping.
|
| - CcTest::heap()->CollectAllGarbage();
|
| -
|
| - Handle<JSReceiver> root = v8::Utils::OpenHandle(*v8::Local<v8::Object>::Cast(
|
| - CcTest::global()
|
| - ->Get(CcTest::isolate()->GetCurrentContext(), v8_str("root"))
|
| - .ToLocalChecked()));
|
| -
|
| - // The root object should be in a sane state.
|
| - CHECK(root->IsJSObject());
|
| - CHECK(root->map()->IsMap());
|
| -}
|
| -
|
| -
|
| -TEST(ReleaseOverReservedPages) {
|
| - if (FLAG_never_compact) return;
|
| - i::FLAG_trace_gc = true;
|
| - // The optimizer can allocate stuff, messing up the test.
|
| - i::FLAG_crankshaft = false;
|
| - i::FLAG_always_opt = false;
|
| - CcTest::InitializeVM();
|
| - Isolate* isolate = CcTest::i_isolate();
|
| - Factory* factory = isolate->factory();
|
| - Heap* heap = isolate->heap();
|
| - v8::HandleScope scope(CcTest::isolate());
|
| - static const int number_of_test_pages = 20;
|
| -
|
| - // Prepare many pages with low live-bytes count.
|
| - PagedSpace* old_space = heap->old_space();
|
| - CHECK_EQ(1, old_space->CountTotalPages());
|
| - for (int i = 0; i < number_of_test_pages; i++) {
|
| - AlwaysAllocateScope always_allocate(isolate);
|
| - SimulateFullSpace(old_space);
|
| - factory->NewFixedArray(1, TENURED);
|
| - }
|
| - CHECK_EQ(number_of_test_pages + 1, old_space->CountTotalPages());
|
| -
|
| - // Triggering one GC will cause a lot of garbage to be discovered but
|
| - // even spread across all allocated pages.
|
| - heap->CollectAllGarbage(Heap::kFinalizeIncrementalMarkingMask,
|
| - "triggered for preparation");
|
| - CHECK_GE(number_of_test_pages + 1, old_space->CountTotalPages());
|
| -
|
| - // Triggering subsequent GCs should cause at least half of the pages
|
| - // to be released to the OS after at most two cycles.
|
| - heap->CollectAllGarbage(Heap::kFinalizeIncrementalMarkingMask,
|
| - "triggered by test 1");
|
| - CHECK_GE(number_of_test_pages + 1, old_space->CountTotalPages());
|
| - heap->CollectAllGarbage(Heap::kFinalizeIncrementalMarkingMask,
|
| - "triggered by test 2");
|
| - CHECK_GE(number_of_test_pages + 1, old_space->CountTotalPages() * 2);
|
| -
|
| - // Triggering a last-resort GC should cause all pages to be released to the
|
| - // OS so that other processes can seize the memory. If we get a failure here
|
| - // where there are 2 pages left instead of 1, then we should increase the
|
| - // size of the first page a little in SizeOfFirstPage in spaces.cc. The
|
| - // first page should be small in order to reduce memory used when the VM
|
| - // boots, but if the 20 small arrays don't fit on the first page then that's
|
| - // an indication that it is too small.
|
| - heap->CollectAllAvailableGarbage("triggered really hard");
|
| - CHECK_EQ(1, old_space->CountTotalPages());
|
| -}
|
| -
|
| -static int forced_gc_counter = 0;
|
| -
|
| -void MockUseCounterCallback(v8::Isolate* isolate,
|
| - v8::Isolate::UseCounterFeature feature) {
|
| - isolate->GetCurrentContext();
|
| - if (feature == v8::Isolate::kForcedGC) {
|
| - forced_gc_counter++;
|
| - }
|
| -}
|
| -
|
| -
|
| -TEST(CountForcedGC) {
|
| - i::FLAG_expose_gc = true;
|
| - CcTest::InitializeVM();
|
| - Isolate* isolate = CcTest::i_isolate();
|
| - v8::HandleScope scope(CcTest::isolate());
|
| -
|
| - isolate->SetUseCounterCallback(MockUseCounterCallback);
|
| -
|
| - forced_gc_counter = 0;
|
| - const char* source = "gc();";
|
| - CompileRun(source);
|
| - CHECK_GT(forced_gc_counter, 0);
|
| -}
|
| -
|
| -
|
| -#ifdef OBJECT_PRINT
|
| -TEST(PrintSharedFunctionInfo) {
|
| - CcTest::InitializeVM();
|
| - v8::HandleScope scope(CcTest::isolate());
|
| - v8::Local<v8::Context> ctx = CcTest::isolate()->GetCurrentContext();
|
| - const char* source = "f = function() { return 987654321; }\n"
|
| - "g = function() { return 123456789; }\n";
|
| - CompileRun(source);
|
| - i::Handle<JSFunction> g = i::Handle<JSFunction>::cast(
|
| - v8::Utils::OpenHandle(*v8::Local<v8::Function>::Cast(
|
| - CcTest::global()->Get(ctx, v8_str("g")).ToLocalChecked())));
|
| -
|
| - OFStream os(stdout);
|
| - g->shared()->Print(os);
|
| - os << std::endl;
|
| -}
|
| -#endif // OBJECT_PRINT
|
| -
|
| -
|
| -TEST(IncrementalMarkingPreservesMonomorphicCallIC) {
|
| - if (i::FLAG_always_opt) return;
|
| - CcTest::InitializeVM();
|
| - v8::HandleScope scope(CcTest::isolate());
|
| - v8::Local<v8::Value> fun1, fun2;
|
| - v8::Local<v8::Context> ctx = CcTest::isolate()->GetCurrentContext();
|
| - {
|
| - CompileRun("function fun() {};");
|
| - fun1 = CcTest::global()->Get(ctx, v8_str("fun")).ToLocalChecked();
|
| - }
|
| -
|
| - {
|
| - CompileRun("function fun() {};");
|
| - fun2 = CcTest::global()->Get(ctx, v8_str("fun")).ToLocalChecked();
|
| - }
|
| -
|
| - // Prepare function f that contains type feedback for the two closures.
|
| - CHECK(CcTest::global()->Set(ctx, v8_str("fun1"), fun1).FromJust());
|
| - CHECK(CcTest::global()->Set(ctx, v8_str("fun2"), fun2).FromJust());
|
| - CompileRun("function f(a, b) { a(); b(); } f(fun1, fun2);");
|
| -
|
| - Handle<JSFunction> f = Handle<JSFunction>::cast(
|
| - v8::Utils::OpenHandle(*v8::Local<v8::Function>::Cast(
|
| - CcTest::global()->Get(ctx, v8_str("f")).ToLocalChecked())));
|
| -
|
| - Handle<TypeFeedbackVector> feedback_vector(f->shared()->feedback_vector());
|
| - FeedbackVectorHelper feedback_helper(feedback_vector);
|
| -
|
| - int expected_slots = 2;
|
| - CHECK_EQ(expected_slots, feedback_helper.slot_count());
|
| - int slot1 = 0;
|
| - int slot2 = 1;
|
| - CHECK(feedback_vector->Get(feedback_helper.slot(slot1))->IsWeakCell());
|
| - CHECK(feedback_vector->Get(feedback_helper.slot(slot2))->IsWeakCell());
|
| -
|
| - SimulateIncrementalMarking(CcTest::heap());
|
| - CcTest::heap()->CollectAllGarbage();
|
| -
|
| - CHECK(!WeakCell::cast(feedback_vector->Get(feedback_helper.slot(slot1)))
|
| - ->cleared());
|
| - CHECK(!WeakCell::cast(feedback_vector->Get(feedback_helper.slot(slot2)))
|
| - ->cleared());
|
| -}
|
| -
|
| -
|
| -static Code* FindFirstIC(Code* code, Code::Kind kind) {
|
| - int mask = RelocInfo::ModeMask(RelocInfo::CODE_TARGET) |
|
| - RelocInfo::ModeMask(RelocInfo::CODE_TARGET_WITH_ID);
|
| - for (RelocIterator it(code, mask); !it.done(); it.next()) {
|
| - RelocInfo* info = it.rinfo();
|
| - Code* target = Code::GetCodeFromTargetAddress(info->target_address());
|
| - if (target->is_inline_cache_stub() && target->kind() == kind) {
|
| - return target;
|
| - }
|
| - }
|
| - return NULL;
|
| -}
|
| -
|
| -
|
| -static void CheckVectorIC(Handle<JSFunction> f, int slot_index,
|
| - InlineCacheState desired_state) {
|
| - Handle<TypeFeedbackVector> vector =
|
| - Handle<TypeFeedbackVector>(f->shared()->feedback_vector());
|
| - FeedbackVectorHelper helper(vector);
|
| - FeedbackVectorSlot slot = helper.slot(slot_index);
|
| - if (vector->GetKind(slot) == FeedbackVectorSlotKind::LOAD_IC) {
|
| - LoadICNexus nexus(vector, slot);
|
| - CHECK(nexus.StateFromFeedback() == desired_state);
|
| - } else {
|
| - CHECK_EQ(FeedbackVectorSlotKind::KEYED_LOAD_IC, vector->GetKind(slot));
|
| - KeyedLoadICNexus nexus(vector, slot);
|
| - CHECK(nexus.StateFromFeedback() == desired_state);
|
| - }
|
| -}
|
| -
|
| -
|
| -static void CheckVectorICCleared(Handle<JSFunction> f, int slot_index) {
|
| - Handle<TypeFeedbackVector> vector =
|
| - Handle<TypeFeedbackVector>(f->shared()->feedback_vector());
|
| - FeedbackVectorSlot slot(slot_index);
|
| - LoadICNexus nexus(vector, slot);
|
| - CHECK(IC::IsCleared(&nexus));
|
| -}
|
| -
|
| -
|
| -TEST(ICInBuiltInIsClearedAppropriately) {
|
| - if (i::FLAG_always_opt) return;
|
| - CcTest::InitializeVM();
|
| - v8::HandleScope scope(CcTest::isolate());
|
| -
|
| - Handle<JSFunction> apply;
|
| - {
|
| - LocalContext env;
|
| - v8::Local<v8::Value> res = CompileRun("Function.apply");
|
| - i::Handle<JSReceiver> maybe_apply =
|
| - v8::Utils::OpenHandle(*v8::Local<v8::Object>::Cast(res));
|
| - apply = i::Handle<JSFunction>::cast(maybe_apply);
|
| - i::Handle<TypeFeedbackVector> vector(apply->shared()->feedback_vector());
|
| - FeedbackVectorHelper feedback_helper(vector);
|
| - CHECK_EQ(1, feedback_helper.slot_count());
|
| - CheckVectorIC(apply, 0, UNINITIALIZED);
|
| - CompileRun(
|
| - "function b(a1, a2, a3) { return a1 + a2 + a3; }"
|
| - "function fun(bar) { bar.apply({}, [1, 2, 3]); };"
|
| - "fun(b); fun(b)");
|
| - CheckVectorIC(apply, 0, MONOMORPHIC);
|
| - }
|
| -
|
| - // Fire context dispose notification.
|
| - CcTest::isolate()->ContextDisposedNotification();
|
| - SimulateIncrementalMarking(CcTest::heap());
|
| - CcTest::heap()->CollectAllGarbage();
|
| -
|
| - // The IC in apply has been cleared, ready to learn again.
|
| - CheckVectorIC(apply, 0, PREMONOMORPHIC);
|
| -}
|
| -
|
| -
|
| -TEST(IncrementalMarkingPreservesMonomorphicConstructor) {
|
| - if (i::FLAG_always_opt) return;
|
| - CcTest::InitializeVM();
|
| - v8::HandleScope scope(CcTest::isolate());
|
| - v8::Local<v8::Context> ctx = CcTest::isolate()->GetCurrentContext();
|
| - // Prepare function f that contains a monomorphic IC for object
|
| - // originating from the same native context.
|
| - CompileRun(
|
| - "function fun() { this.x = 1; };"
|
| - "function f(o) { return new o(); } f(fun); f(fun);");
|
| - Handle<JSFunction> f = Handle<JSFunction>::cast(
|
| - v8::Utils::OpenHandle(*v8::Local<v8::Function>::Cast(
|
| - CcTest::global()->Get(ctx, v8_str("f")).ToLocalChecked())));
|
| -
|
| - Handle<TypeFeedbackVector> vector(f->shared()->feedback_vector());
|
| - CHECK(vector->Get(FeedbackVectorSlot(0))->IsWeakCell());
|
| -
|
| - SimulateIncrementalMarking(CcTest::heap());
|
| - CcTest::heap()->CollectAllGarbage();
|
| -
|
| - CHECK(vector->Get(FeedbackVectorSlot(0))->IsWeakCell());
|
| -}
|
| -
|
| -
|
| -TEST(IncrementalMarkingClearsMonomorphicConstructor) {
|
| - if (i::FLAG_always_opt) return;
|
| - CcTest::InitializeVM();
|
| - Isolate* isolate = CcTest::i_isolate();
|
| - v8::HandleScope scope(CcTest::isolate());
|
| - v8::Local<v8::Value> fun1;
|
| - v8::Local<v8::Context> ctx = CcTest::isolate()->GetCurrentContext();
|
| -
|
| - {
|
| - LocalContext env;
|
| - CompileRun("function fun() { this.x = 1; };");
|
| - fun1 = env->Global()->Get(env.local(), v8_str("fun")).ToLocalChecked();
|
| - }
|
| -
|
| - // Prepare function f that contains a monomorphic constructor for object
|
| - // originating from a different native context.
|
| - CHECK(CcTest::global()->Set(ctx, v8_str("fun1"), fun1).FromJust());
|
| - CompileRun(
|
| - "function fun() { this.x = 1; };"
|
| - "function f(o) { return new o(); } f(fun1); f(fun1);");
|
| - Handle<JSFunction> f = Handle<JSFunction>::cast(
|
| - v8::Utils::OpenHandle(*v8::Local<v8::Function>::Cast(
|
| - CcTest::global()->Get(ctx, v8_str("f")).ToLocalChecked())));
|
| -
|
| -
|
| - Handle<TypeFeedbackVector> vector(f->shared()->feedback_vector());
|
| - CHECK(vector->Get(FeedbackVectorSlot(0))->IsWeakCell());
|
| -
|
| - // Fire context dispose notification.
|
| - CcTest::isolate()->ContextDisposedNotification();
|
| - SimulateIncrementalMarking(CcTest::heap());
|
| - CcTest::heap()->CollectAllGarbage();
|
| -
|
| - CHECK_EQ(*TypeFeedbackVector::UninitializedSentinel(isolate),
|
| - vector->Get(FeedbackVectorSlot(0)));
|
| -}
|
| -
|
| -
|
| -TEST(IncrementalMarkingPreservesMonomorphicIC) {
|
| - if (i::FLAG_always_opt) return;
|
| - CcTest::InitializeVM();
|
| - v8::HandleScope scope(CcTest::isolate());
|
| - v8::Local<v8::Context> ctx = CcTest::isolate()->GetCurrentContext();
|
| - // Prepare function f that contains a monomorphic IC for object
|
| - // originating from the same native context.
|
| - CompileRun("function fun() { this.x = 1; }; var obj = new fun();"
|
| - "function f(o) { return o.x; } f(obj); f(obj);");
|
| - Handle<JSFunction> f = Handle<JSFunction>::cast(
|
| - v8::Utils::OpenHandle(*v8::Local<v8::Function>::Cast(
|
| - CcTest::global()->Get(ctx, v8_str("f")).ToLocalChecked())));
|
| -
|
| - CheckVectorIC(f, 0, MONOMORPHIC);
|
| -
|
| - SimulateIncrementalMarking(CcTest::heap());
|
| - CcTest::heap()->CollectAllGarbage();
|
| -
|
| - CheckVectorIC(f, 0, MONOMORPHIC);
|
| -}
|
| -
|
| -
|
| -TEST(IncrementalMarkingClearsMonomorphicIC) {
|
| - if (i::FLAG_always_opt) return;
|
| - CcTest::InitializeVM();
|
| - v8::HandleScope scope(CcTest::isolate());
|
| - v8::Local<v8::Value> obj1;
|
| - v8::Local<v8::Context> ctx = CcTest::isolate()->GetCurrentContext();
|
| -
|
| - {
|
| - LocalContext env;
|
| - CompileRun("function fun() { this.x = 1; }; var obj = new fun();");
|
| - obj1 = env->Global()->Get(env.local(), v8_str("obj")).ToLocalChecked();
|
| - }
|
| -
|
| - // Prepare function f that contains a monomorphic IC for object
|
| - // originating from a different native context.
|
| - CHECK(CcTest::global()->Set(ctx, v8_str("obj1"), obj1).FromJust());
|
| - CompileRun("function f(o) { return o.x; } f(obj1); f(obj1);");
|
| - Handle<JSFunction> f = Handle<JSFunction>::cast(
|
| - v8::Utils::OpenHandle(*v8::Local<v8::Function>::Cast(
|
| - CcTest::global()->Get(ctx, v8_str("f")).ToLocalChecked())));
|
| -
|
| - CheckVectorIC(f, 0, MONOMORPHIC);
|
| -
|
| - // Fire context dispose notification.
|
| - CcTest::isolate()->ContextDisposedNotification();
|
| - SimulateIncrementalMarking(CcTest::heap());
|
| - CcTest::heap()->CollectAllGarbage();
|
| -
|
| - CheckVectorICCleared(f, 0);
|
| -}
|
| -
|
| -
|
| -TEST(IncrementalMarkingPreservesPolymorphicIC) {
|
| - if (i::FLAG_always_opt) return;
|
| - CcTest::InitializeVM();
|
| - v8::HandleScope scope(CcTest::isolate());
|
| - v8::Local<v8::Value> obj1, obj2;
|
| - v8::Local<v8::Context> ctx = CcTest::isolate()->GetCurrentContext();
|
| -
|
| - {
|
| - LocalContext env;
|
| - CompileRun("function fun() { this.x = 1; }; var obj = new fun();");
|
| - obj1 = env->Global()->Get(env.local(), v8_str("obj")).ToLocalChecked();
|
| - }
|
| -
|
| - {
|
| - LocalContext env;
|
| - CompileRun("function fun() { this.x = 2; }; var obj = new fun();");
|
| - obj2 = env->Global()->Get(env.local(), v8_str("obj")).ToLocalChecked();
|
| - }
|
| -
|
| - // Prepare function f that contains a polymorphic IC for objects
|
| - // originating from two different native contexts.
|
| - CHECK(CcTest::global()->Set(ctx, v8_str("obj1"), obj1).FromJust());
|
| - CHECK(CcTest::global()->Set(ctx, v8_str("obj2"), obj2).FromJust());
|
| - CompileRun("function f(o) { return o.x; } f(obj1); f(obj1); f(obj2);");
|
| - Handle<JSFunction> f = Handle<JSFunction>::cast(
|
| - v8::Utils::OpenHandle(*v8::Local<v8::Function>::Cast(
|
| - CcTest::global()->Get(ctx, v8_str("f")).ToLocalChecked())));
|
| -
|
| - CheckVectorIC(f, 0, POLYMORPHIC);
|
| -
|
| - // Fire context dispose notification.
|
| - SimulateIncrementalMarking(CcTest::heap());
|
| - CcTest::heap()->CollectAllGarbage();
|
| -
|
| - CheckVectorIC(f, 0, POLYMORPHIC);
|
| -}
|
| -
|
| -
|
| -TEST(IncrementalMarkingClearsPolymorphicIC) {
|
| - if (i::FLAG_always_opt) return;
|
| - CcTest::InitializeVM();
|
| - v8::HandleScope scope(CcTest::isolate());
|
| - v8::Local<v8::Value> obj1, obj2;
|
| - v8::Local<v8::Context> ctx = CcTest::isolate()->GetCurrentContext();
|
| -
|
| - {
|
| - LocalContext env;
|
| - CompileRun("function fun() { this.x = 1; }; var obj = new fun();");
|
| - obj1 = env->Global()->Get(env.local(), v8_str("obj")).ToLocalChecked();
|
| - }
|
| -
|
| - {
|
| - LocalContext env;
|
| - CompileRun("function fun() { this.x = 2; }; var obj = new fun();");
|
| - obj2 = env->Global()->Get(env.local(), v8_str("obj")).ToLocalChecked();
|
| - }
|
| -
|
| - // Prepare function f that contains a polymorphic IC for objects
|
| - // originating from two different native contexts.
|
| - CHECK(CcTest::global()->Set(ctx, v8_str("obj1"), obj1).FromJust());
|
| - CHECK(CcTest::global()->Set(ctx, v8_str("obj2"), obj2).FromJust());
|
| - CompileRun("function f(o) { return o.x; } f(obj1); f(obj1); f(obj2);");
|
| - Handle<JSFunction> f = Handle<JSFunction>::cast(
|
| - v8::Utils::OpenHandle(*v8::Local<v8::Function>::Cast(
|
| - CcTest::global()->Get(ctx, v8_str("f")).ToLocalChecked())));
|
| -
|
| - CheckVectorIC(f, 0, POLYMORPHIC);
|
| -
|
| - // Fire context dispose notification.
|
| - CcTest::isolate()->ContextDisposedNotification();
|
| - SimulateIncrementalMarking(CcTest::heap());
|
| - CcTest::heap()->CollectAllGarbage();
|
| -
|
| - CheckVectorICCleared(f, 0);
|
| -}
|
| -
|
| -
|
| -class SourceResource : public v8::String::ExternalOneByteStringResource {
|
| - public:
|
| - explicit SourceResource(const char* data)
|
| - : data_(data), length_(strlen(data)) { }
|
| -
|
| - virtual void Dispose() {
|
| - i::DeleteArray(data_);
|
| - data_ = NULL;
|
| - }
|
| -
|
| - const char* data() const { return data_; }
|
| -
|
| - size_t length() const { return length_; }
|
| -
|
| - bool IsDisposed() { return data_ == NULL; }
|
| -
|
| - private:
|
| - const char* data_;
|
| - size_t length_;
|
| -};
|
| -
|
| -
|
| -void ReleaseStackTraceDataTest(v8::Isolate* isolate, const char* source,
|
| - const char* accessor) {
|
| - // Test that the data retained by the Error.stack accessor is released
|
| - // after the first time the accessor is fired. We use external string
|
| - // to check whether the data is being released since the external string
|
| - // resource's callback is fired when the external string is GC'ed.
|
| - i::Isolate* i_isolate = reinterpret_cast<i::Isolate*>(isolate);
|
| - v8::HandleScope scope(isolate);
|
| - SourceResource* resource = new SourceResource(i::StrDup(source));
|
| - {
|
| - v8::HandleScope scope(isolate);
|
| - v8::Local<v8::Context> ctx = isolate->GetCurrentContext();
|
| - v8::Local<v8::String> source_string =
|
| - v8::String::NewExternalOneByte(isolate, resource).ToLocalChecked();
|
| - i_isolate->heap()->CollectAllAvailableGarbage();
|
| - v8::Script::Compile(ctx, source_string)
|
| - .ToLocalChecked()
|
| - ->Run(ctx)
|
| - .ToLocalChecked();
|
| - CHECK(!resource->IsDisposed());
|
| - }
|
| - // i_isolate->heap()->CollectAllAvailableGarbage();
|
| - CHECK(!resource->IsDisposed());
|
| -
|
| - CompileRun(accessor);
|
| - i_isolate->heap()->CollectAllAvailableGarbage();
|
| -
|
| - // External source has been released.
|
| - CHECK(resource->IsDisposed());
|
| - delete resource;
|
| -}
|
| -
|
| -
|
| -UNINITIALIZED_TEST(ReleaseStackTraceData) {
|
| - if (i::FLAG_always_opt) {
|
| - // TODO(ulan): Remove this once the memory leak via code_next_link is fixed.
|
| - // See: https://codereview.chromium.org/181833004/
|
| - return;
|
| - }
|
| - FLAG_use_ic = false; // ICs retain objects.
|
| - FLAG_concurrent_recompilation = false;
|
| - v8::Isolate::CreateParams create_params;
|
| - create_params.array_buffer_allocator = CcTest::array_buffer_allocator();
|
| - v8::Isolate* isolate = v8::Isolate::New(create_params);
|
| - {
|
| - v8::Isolate::Scope isolate_scope(isolate);
|
| - v8::HandleScope handle_scope(isolate);
|
| - v8::Context::New(isolate)->Enter();
|
| - static const char* source1 = "var error = null; "
|
| - /* Normal Error */ "try { "
|
| - " throw new Error(); "
|
| - "} catch (e) { "
|
| - " error = e; "
|
| - "} ";
|
| - static const char* source2 = "var error = null; "
|
| - /* Stack overflow */ "try { "
|
| - " (function f() { f(); })(); "
|
| - "} catch (e) { "
|
| - " error = e; "
|
| - "} ";
|
| - static const char* source3 = "var error = null; "
|
| - /* Normal Error */ "try { "
|
| - /* as prototype */ " throw new Error(); "
|
| - "} catch (e) { "
|
| - " error = {}; "
|
| - " error.__proto__ = e; "
|
| - "} ";
|
| - static const char* source4 = "var error = null; "
|
| - /* Stack overflow */ "try { "
|
| - /* as prototype */ " (function f() { f(); })(); "
|
| - "} catch (e) { "
|
| - " error = {}; "
|
| - " error.__proto__ = e; "
|
| - "} ";
|
| - static const char* getter = "error.stack";
|
| - static const char* setter = "error.stack = 0";
|
| -
|
| - ReleaseStackTraceDataTest(isolate, source1, setter);
|
| - ReleaseStackTraceDataTest(isolate, source2, setter);
|
| - // We do not test source3 and source4 with setter, since the setter is
|
| - // supposed to (untypically) write to the receiver, not the holder. This is
|
| - // to emulate the behavior of a data property.
|
| -
|
| - ReleaseStackTraceDataTest(isolate, source1, getter);
|
| - ReleaseStackTraceDataTest(isolate, source2, getter);
|
| - ReleaseStackTraceDataTest(isolate, source3, getter);
|
| - ReleaseStackTraceDataTest(isolate, source4, getter);
|
| - }
|
| - isolate->Dispose();
|
| -}
|
| -
|
| -
|
| -TEST(Regress159140) {
|
| - i::FLAG_allow_natives_syntax = true;
|
| - CcTest::InitializeVM();
|
| - Isolate* isolate = CcTest::i_isolate();
|
| - LocalContext env;
|
| - Heap* heap = isolate->heap();
|
| - HandleScope scope(isolate);
|
| -
|
| - // Perform one initial GC to enable code flushing.
|
| - heap->CollectAllGarbage();
|
| -
|
| - // Prepare several closures that are all eligible for code flushing
|
| - // because all reachable ones are not optimized. Make sure that the
|
| - // optimized code object is directly reachable through a handle so
|
| - // that it is marked black during incremental marking.
|
| - Handle<Code> code;
|
| - {
|
| - HandleScope inner_scope(isolate);
|
| - CompileRun("function h(x) {}"
|
| - "function mkClosure() {"
|
| - " return function(x) { return x + 1; };"
|
| - "}"
|
| - "var f = mkClosure();"
|
| - "var g = mkClosure();"
|
| - "f(1); f(2);"
|
| - "g(1); g(2);"
|
| - "h(1); h(2);"
|
| - "%OptimizeFunctionOnNextCall(f); f(3);"
|
| - "%OptimizeFunctionOnNextCall(h); h(3);");
|
| -
|
| - Handle<JSFunction> f = Handle<JSFunction>::cast(
|
| - v8::Utils::OpenHandle(*v8::Local<v8::Function>::Cast(
|
| - CcTest::global()->Get(env.local(), v8_str("f")).ToLocalChecked())));
|
| - CHECK(f->is_compiled());
|
| - CompileRun("f = null;");
|
| -
|
| - Handle<JSFunction> g = Handle<JSFunction>::cast(
|
| - v8::Utils::OpenHandle(*v8::Local<v8::Function>::Cast(
|
| - CcTest::global()->Get(env.local(), v8_str("g")).ToLocalChecked())));
|
| - CHECK(g->is_compiled());
|
| - const int kAgingThreshold = 6;
|
| - for (int i = 0; i < kAgingThreshold; i++) {
|
| - g->code()->MakeOlder(static_cast<MarkingParity>(i % 2));
|
| - }
|
| -
|
| - code = inner_scope.CloseAndEscape(Handle<Code>(f->code()));
|
| - }
|
| -
|
| - // Simulate incremental marking so that the functions are enqueued as
|
| - // code flushing candidates. Then optimize one function. Finally
|
| - // finish the GC to complete code flushing.
|
| - SimulateIncrementalMarking(heap);
|
| - CompileRun("%OptimizeFunctionOnNextCall(g); g(3);");
|
| - heap->CollectAllGarbage();
|
| -
|
| - // Unoptimized code is missing and the deoptimizer will go ballistic.
|
| - CompileRun("g('bozo');");
|
| -}
|
| -
|
| -
|
| -TEST(Regress165495) {
|
| - i::FLAG_allow_natives_syntax = true;
|
| - CcTest::InitializeVM();
|
| - Isolate* isolate = CcTest::i_isolate();
|
| - Heap* heap = isolate->heap();
|
| - HandleScope scope(isolate);
|
| -
|
| - // Perform one initial GC to enable code flushing.
|
| - heap->CollectAllGarbage();
|
| -
|
| - // Prepare an optimized closure that the optimized code map will get
|
| - // populated. Then age the unoptimized code to trigger code flushing
|
| - // but make sure the optimized code is unreachable.
|
| - {
|
| - HandleScope inner_scope(isolate);
|
| - LocalContext env;
|
| - CompileRun("function mkClosure() {"
|
| - " return function(x) { return x + 1; };"
|
| - "}"
|
| - "var f = mkClosure();"
|
| - "f(1); f(2);"
|
| - "%OptimizeFunctionOnNextCall(f); f(3);");
|
| -
|
| - Handle<JSFunction> f = Handle<JSFunction>::cast(
|
| - v8::Utils::OpenHandle(*v8::Local<v8::Function>::Cast(
|
| - CcTest::global()->Get(env.local(), v8_str("f")).ToLocalChecked())));
|
| - CHECK(f->is_compiled());
|
| - const int kAgingThreshold = 6;
|
| - for (int i = 0; i < kAgingThreshold; i++) {
|
| - f->shared()->code()->MakeOlder(static_cast<MarkingParity>(i % 2));
|
| - }
|
| -
|
| - CompileRun("f = null;");
|
| - }
|
| -
|
| - // Simulate incremental marking so that unoptimized code is flushed
|
| - // even though it still is cached in the optimized code map.
|
| - SimulateIncrementalMarking(heap);
|
| - heap->CollectAllGarbage();
|
| -
|
| - // Make a new closure that will get code installed from the code map.
|
| - // Unoptimized code is missing and the deoptimizer will go ballistic.
|
| - CompileRun("var g = mkClosure(); g('bozo');");
|
| -}
|
| -
|
| -
|
| -TEST(Regress169209) {
|
| - i::FLAG_stress_compaction = false;
|
| - i::FLAG_allow_natives_syntax = true;
|
| -
|
| - CcTest::InitializeVM();
|
| - Isolate* isolate = CcTest::i_isolate();
|
| - Heap* heap = isolate->heap();
|
| - HandleScope scope(isolate);
|
| -
|
| - // Perform one initial GC to enable code flushing.
|
| - heap->CollectAllGarbage();
|
| -
|
| - // Prepare a shared function info eligible for code flushing for which
|
| - // the unoptimized code will be replaced during optimization.
|
| - Handle<SharedFunctionInfo> shared1;
|
| - {
|
| - HandleScope inner_scope(isolate);
|
| - LocalContext env;
|
| - CompileRun("function f() { return 'foobar'; }"
|
| - "function g(x) { if (x) f(); }"
|
| - "f();"
|
| - "g(false);"
|
| - "g(false);");
|
| -
|
| - Handle<JSFunction> f = Handle<JSFunction>::cast(
|
| - v8::Utils::OpenHandle(*v8::Local<v8::Function>::Cast(
|
| - CcTest::global()->Get(env.local(), v8_str("f")).ToLocalChecked())));
|
| - CHECK(f->is_compiled());
|
| - const int kAgingThreshold = 6;
|
| - for (int i = 0; i < kAgingThreshold; i++) {
|
| - f->shared()->code()->MakeOlder(static_cast<MarkingParity>(i % 2));
|
| - }
|
| -
|
| - shared1 = inner_scope.CloseAndEscape(handle(f->shared(), isolate));
|
| - }
|
| -
|
| - // Prepare a shared function info eligible for code flushing that will
|
| - // represent the dangling tail of the candidate list.
|
| - Handle<SharedFunctionInfo> shared2;
|
| - {
|
| - HandleScope inner_scope(isolate);
|
| - LocalContext env;
|
| - CompileRun("function flushMe() { return 0; }"
|
| - "flushMe(1);");
|
| -
|
| - Handle<JSFunction> f = Handle<JSFunction>::cast(v8::Utils::OpenHandle(
|
| - *v8::Local<v8::Function>::Cast(CcTest::global()
|
| - ->Get(env.local(), v8_str("flushMe"))
|
| - .ToLocalChecked())));
|
| - CHECK(f->is_compiled());
|
| - const int kAgingThreshold = 6;
|
| - for (int i = 0; i < kAgingThreshold; i++) {
|
| - f->shared()->code()->MakeOlder(static_cast<MarkingParity>(i % 2));
|
| - }
|
| -
|
| - shared2 = inner_scope.CloseAndEscape(handle(f->shared(), isolate));
|
| - }
|
| -
|
| - // Simulate incremental marking and collect code flushing candidates.
|
| - SimulateIncrementalMarking(heap);
|
| - CHECK(shared1->code()->gc_metadata() != NULL);
|
| -
|
| - // Optimize function and make sure the unoptimized code is replaced.
|
| -#ifdef DEBUG
|
| - FLAG_stop_at = "f";
|
| -#endif
|
| - CompileRun("%OptimizeFunctionOnNextCall(g);"
|
| - "g(false);");
|
| -
|
| - // Finish garbage collection cycle.
|
| - heap->CollectAllGarbage();
|
| - CHECK(shared1->code()->gc_metadata() == NULL);
|
| -}
|
| -
|
| -
|
| -TEST(Regress169928) {
|
| - i::FLAG_allow_natives_syntax = true;
|
| - i::FLAG_crankshaft = false;
|
| - CcTest::InitializeVM();
|
| - Isolate* isolate = CcTest::i_isolate();
|
| - LocalContext env;
|
| - Factory* factory = isolate->factory();
|
| - v8::HandleScope scope(CcTest::isolate());
|
| -
|
| - // Some flags turn Scavenge collections into Mark-sweep collections
|
| - // and hence are incompatible with this test case.
|
| - if (FLAG_gc_global || FLAG_stress_compaction) return;
|
| -
|
| - // Prepare the environment
|
| - CompileRun("function fastliteralcase(literal, value) {"
|
| - " literal[0] = value;"
|
| - " return literal;"
|
| - "}"
|
| - "function get_standard_literal() {"
|
| - " var literal = [1, 2, 3];"
|
| - " return literal;"
|
| - "}"
|
| - "obj = fastliteralcase(get_standard_literal(), 1);"
|
| - "obj = fastliteralcase(get_standard_literal(), 1.5);"
|
| - "obj = fastliteralcase(get_standard_literal(), 2);");
|
| -
|
| - // prepare the heap
|
| - v8::Local<v8::String> mote_code_string =
|
| - v8_str("fastliteralcase(mote, 2.5);");
|
| -
|
| - v8::Local<v8::String> array_name = v8_str("mote");
|
| - CHECK(CcTest::global()
|
| - ->Set(env.local(), array_name, v8::Int32::New(CcTest::isolate(), 0))
|
| - .FromJust());
|
| -
|
| - // First make sure we flip spaces
|
| - CcTest::heap()->CollectGarbage(NEW_SPACE);
|
| -
|
| - // Allocate the object.
|
| - Handle<FixedArray> array_data = factory->NewFixedArray(2, NOT_TENURED);
|
| - array_data->set(0, Smi::FromInt(1));
|
| - array_data->set(1, Smi::FromInt(2));
|
| -
|
| - AllocateAllButNBytes(CcTest::heap()->new_space(),
|
| - JSArray::kSize + AllocationMemento::kSize +
|
| - kPointerSize);
|
| -
|
| - Handle<JSArray> array =
|
| - factory->NewJSArrayWithElements(array_data, FAST_SMI_ELEMENTS);
|
| -
|
| - CHECK_EQ(Smi::FromInt(2), array->length());
|
| - CHECK(array->HasFastSmiOrObjectElements());
|
| -
|
| - // We need filler the size of AllocationMemento object, plus an extra
|
| - // fill pointer value.
|
| - HeapObject* obj = NULL;
|
| - AllocationResult allocation =
|
| - CcTest::heap()->new_space()->AllocateRawUnaligned(
|
| - AllocationMemento::kSize + kPointerSize);
|
| - CHECK(allocation.To(&obj));
|
| - Address addr_obj = obj->address();
|
| - CcTest::heap()->CreateFillerObjectAt(
|
| - addr_obj, AllocationMemento::kSize + kPointerSize);
|
| -
|
| - // Give the array a name, making sure not to allocate strings.
|
| - v8::Local<v8::Object> array_obj = v8::Utils::ToLocal(array);
|
| - CHECK(CcTest::global()->Set(env.local(), array_name, array_obj).FromJust());
|
| -
|
| - // This should crash with a protection violation if we are running a build
|
| - // with the bug.
|
| - AlwaysAllocateScope aa_scope(isolate);
|
| - v8::Script::Compile(env.local(), mote_code_string)
|
| - .ToLocalChecked()
|
| - ->Run(env.local())
|
| - .ToLocalChecked();
|
| -}
|
| -
|
| -
|
| -#ifdef DEBUG
|
| -TEST(Regress513507) {
|
| - i::FLAG_flush_optimized_code_cache = false;
|
| - i::FLAG_allow_natives_syntax = true;
|
| - i::FLAG_gc_global = true;
|
| - CcTest::InitializeVM();
|
| - Isolate* isolate = CcTest::i_isolate();
|
| - LocalContext env;
|
| - Heap* heap = isolate->heap();
|
| - HandleScope scope(isolate);
|
| -
|
| - // Prepare function whose optimized code map we can use.
|
| - Handle<SharedFunctionInfo> shared;
|
| - {
|
| - HandleScope inner_scope(isolate);
|
| - CompileRun("function f() { return 1 }"
|
| - "f(); %OptimizeFunctionOnNextCall(f); f();");
|
| -
|
| - Handle<JSFunction> f = Handle<JSFunction>::cast(
|
| - v8::Utils::OpenHandle(*v8::Local<v8::Function>::Cast(
|
| - CcTest::global()->Get(env.local(), v8_str("f")).ToLocalChecked())));
|
| - shared = inner_scope.CloseAndEscape(handle(f->shared(), isolate));
|
| - CompileRun("f = null");
|
| - }
|
| -
|
| - // Prepare optimized code that we can use.
|
| - Handle<Code> code;
|
| - {
|
| - HandleScope inner_scope(isolate);
|
| - CompileRun("function g() { return 2 }"
|
| - "g(); %OptimizeFunctionOnNextCall(g); g();");
|
| -
|
| - Handle<JSFunction> g = Handle<JSFunction>::cast(
|
| - v8::Utils::OpenHandle(*v8::Local<v8::Function>::Cast(
|
| - CcTest::global()->Get(env.local(), v8_str("g")).ToLocalChecked())));
|
| - code = inner_scope.CloseAndEscape(handle(g->code(), isolate));
|
| - if (!code->is_optimized_code()) return;
|
| - }
|
| -
|
| - Handle<TypeFeedbackVector> vector = handle(shared->feedback_vector());
|
| - Handle<LiteralsArray> lit =
|
| - LiteralsArray::New(isolate, vector, shared->num_literals(), TENURED);
|
| - Handle<Context> context(isolate->context());
|
| -
|
| - // Add the new code several times to the optimized code map and also set an
|
| - // allocation timeout so that expanding the code map will trigger a GC.
|
| - heap->set_allocation_timeout(5);
|
| - FLAG_gc_interval = 1000;
|
| - for (int i = 0; i < 10; ++i) {
|
| - BailoutId id = BailoutId(i);
|
| - SharedFunctionInfo::AddToOptimizedCodeMap(shared, context, code, lit, id);
|
| - }
|
| -}
|
| -#endif // DEBUG
|
| -
|
| -
|
| -TEST(Regress514122) {
|
| - i::FLAG_flush_optimized_code_cache = false;
|
| - i::FLAG_allow_natives_syntax = true;
|
| - CcTest::InitializeVM();
|
| - Isolate* isolate = CcTest::i_isolate();
|
| - LocalContext env;
|
| - Heap* heap = isolate->heap();
|
| - HandleScope scope(isolate);
|
| -
|
| - // Perfrom one initial GC to enable code flushing.
|
| - CcTest::heap()->CollectAllGarbage();
|
| -
|
| - // Prepare function whose optimized code map we can use.
|
| - Handle<SharedFunctionInfo> shared;
|
| - {
|
| - HandleScope inner_scope(isolate);
|
| - CompileRun("function f() { return 1 }"
|
| - "f(); %OptimizeFunctionOnNextCall(f); f();");
|
| -
|
| - Handle<JSFunction> f = Handle<JSFunction>::cast(
|
| - v8::Utils::OpenHandle(*v8::Local<v8::Function>::Cast(
|
| - CcTest::global()->Get(env.local(), v8_str("f")).ToLocalChecked())));
|
| - shared = inner_scope.CloseAndEscape(handle(f->shared(), isolate));
|
| - CompileRun("f = null");
|
| - }
|
| -
|
| - // Prepare optimized code that we can use.
|
| - Handle<Code> code;
|
| - {
|
| - HandleScope inner_scope(isolate);
|
| - CompileRun("function g() { return 2 }"
|
| - "g(); %OptimizeFunctionOnNextCall(g); g();");
|
| -
|
| - Handle<JSFunction> g = Handle<JSFunction>::cast(
|
| - v8::Utils::OpenHandle(*v8::Local<v8::Function>::Cast(
|
| - CcTest::global()->Get(env.local(), v8_str("g")).ToLocalChecked())));
|
| - code = inner_scope.CloseAndEscape(handle(g->code(), isolate));
|
| - if (!code->is_optimized_code()) return;
|
| - }
|
| -
|
| - Handle<TypeFeedbackVector> vector = handle(shared->feedback_vector());
|
| - Handle<LiteralsArray> lit =
|
| - LiteralsArray::New(isolate, vector, shared->num_literals(), TENURED);
|
| - Handle<Context> context(isolate->context());
|
| -
|
| - // Add the code several times to the optimized code map.
|
| - for (int i = 0; i < 3; ++i) {
|
| - HandleScope inner_scope(isolate);
|
| - BailoutId id = BailoutId(i);
|
| - SharedFunctionInfo::AddToOptimizedCodeMap(shared, context, code, lit, id);
|
| - }
|
| - shared->optimized_code_map()->Print();
|
| -
|
| - // Add the code with a literals array to be evacuated.
|
| - Page* evac_page;
|
| - {
|
| - HandleScope inner_scope(isolate);
|
| - AlwaysAllocateScope always_allocate(isolate);
|
| - // Make sure literal is placed on an old-space evacuation candidate.
|
| - SimulateFullSpace(heap->old_space());
|
| -
|
| - // Make sure there the number of literals is > 0.
|
| - Handle<LiteralsArray> lit =
|
| - LiteralsArray::New(isolate, vector, 23, TENURED);
|
| -
|
| - evac_page = Page::FromAddress(lit->address());
|
| - BailoutId id = BailoutId(100);
|
| - SharedFunctionInfo::AddToOptimizedCodeMap(shared, context, code, lit, id);
|
| - }
|
| -
|
| - // Heap is ready, force {lit_page} to become an evacuation candidate and
|
| - // simulate incremental marking to enqueue optimized code map.
|
| - FLAG_manual_evacuation_candidates_selection = true;
|
| - evac_page->SetFlag(MemoryChunk::FORCE_EVACUATION_CANDIDATE_FOR_TESTING);
|
| - SimulateIncrementalMarking(heap);
|
| -
|
| - // No matter whether reachable or not, {boomer} is doomed.
|
| - Handle<Object> boomer(shared->optimized_code_map(), isolate);
|
| -
|
| - // Add the code several times to the optimized code map. This will leave old
|
| - // copies of the optimized code map unreachable but still marked.
|
| - for (int i = 3; i < 6; ++i) {
|
| - HandleScope inner_scope(isolate);
|
| - BailoutId id = BailoutId(i);
|
| - SharedFunctionInfo::AddToOptimizedCodeMap(shared, context, code, lit, id);
|
| - }
|
| -
|
| - // Trigger a GC to flush out the bug.
|
| - heap->CollectGarbage(i::OLD_SPACE, "fire in the hole");
|
| - boomer->Print();
|
| -}
|
| -
|
| -
|
| -TEST(Regress513496) {
|
| - i::FLAG_flush_optimized_code_cache = false;
|
| - i::FLAG_allow_natives_syntax = true;
|
| - CcTest::InitializeVM();
|
| - Isolate* isolate = CcTest::i_isolate();
|
| - Heap* heap = isolate->heap();
|
| - HandleScope scope(isolate);
|
| -
|
| - // Perfrom one initial GC to enable code flushing.
|
| - CcTest::heap()->CollectAllGarbage();
|
| -
|
| - // Prepare an optimized closure with containing an inlined function. Then age
|
| - // the inlined unoptimized code to trigger code flushing but make sure the
|
| - // outer optimized code is kept in the optimized code map.
|
| - Handle<SharedFunctionInfo> shared;
|
| - {
|
| - LocalContext context;
|
| - HandleScope inner_scope(isolate);
|
| - CompileRun(
|
| - "function g(x) { return x + 1 }"
|
| - "function mkClosure() {"
|
| - " return function(x) { return g(x); };"
|
| - "}"
|
| - "var f = mkClosure();"
|
| - "f(1); f(2);"
|
| - "%OptimizeFunctionOnNextCall(f); f(3);");
|
| -
|
| - Handle<JSFunction> g = Handle<JSFunction>::cast(v8::Utils::OpenHandle(
|
| - *v8::Local<v8::Function>::Cast(CcTest::global()
|
| - ->Get(context.local(), v8_str("g"))
|
| - .ToLocalChecked())));
|
| - CHECK(g->shared()->is_compiled());
|
| - const int kAgingThreshold = 6;
|
| - for (int i = 0; i < kAgingThreshold; i++) {
|
| - g->shared()->code()->MakeOlder(static_cast<MarkingParity>(i % 2));
|
| - }
|
| -
|
| - Handle<JSFunction> f = Handle<JSFunction>::cast(v8::Utils::OpenHandle(
|
| - *v8::Local<v8::Function>::Cast(CcTest::global()
|
| - ->Get(context.local(), v8_str("f"))
|
| - .ToLocalChecked())));
|
| - CHECK(f->is_compiled());
|
| - shared = inner_scope.CloseAndEscape(handle(f->shared(), isolate));
|
| - CompileRun("f = null");
|
| - }
|
| -
|
| - // Lookup the optimized code and keep it alive.
|
| - CodeAndLiterals result = shared->SearchOptimizedCodeMap(
|
| - isolate->context()->native_context(), BailoutId::None());
|
| - Handle<Code> optimized_code(result.code, isolate);
|
| -
|
| - // Finish a full GC cycle so that the unoptimized code of 'g' is flushed even
|
| - // though the optimized code for 'f' is reachable via the optimized code map.
|
| - heap->CollectAllGarbage();
|
| -
|
| - // Make a new closure that will get code installed from the code map.
|
| - // Unoptimized code is missing and the deoptimizer will go ballistic.
|
| - CompileRun("var h = mkClosure(); h('bozo');");
|
| -}
|
| -
|
| -
|
| -TEST(LargeObjectSlotRecording) {
|
| - FLAG_manual_evacuation_candidates_selection = true;
|
| - CcTest::InitializeVM();
|
| - Isolate* isolate = CcTest::i_isolate();
|
| - Heap* heap = isolate->heap();
|
| - HandleScope scope(isolate);
|
| -
|
| - // Create an object on an evacuation candidate.
|
| - SimulateFullSpace(heap->old_space());
|
| - Handle<FixedArray> lit = isolate->factory()->NewFixedArray(4, TENURED);
|
| - Page* evac_page = Page::FromAddress(lit->address());
|
| - evac_page->SetFlag(MemoryChunk::FORCE_EVACUATION_CANDIDATE_FOR_TESTING);
|
| - FixedArray* old_location = *lit;
|
| -
|
| - // Allocate a large object.
|
| - int size = Max(1000000, Page::kMaxRegularHeapObjectSize + KB);
|
| - CHECK(size > Page::kMaxRegularHeapObjectSize);
|
| - Handle<FixedArray> lo = isolate->factory()->NewFixedArray(size, TENURED);
|
| - CHECK(heap->lo_space()->Contains(*lo));
|
| -
|
| - // Start incremental marking to active write barrier.
|
| - SimulateIncrementalMarking(heap, false);
|
| - heap->incremental_marking()->AdvanceIncrementalMarking(
|
| - 10000000, 10000000, IncrementalMarking::IdleStepActions());
|
| -
|
| - // Create references from the large object to the object on the evacuation
|
| - // candidate.
|
| - const int kStep = size / 10;
|
| - for (int i = 0; i < size; i += kStep) {
|
| - lo->set(i, *lit);
|
| - CHECK(lo->get(i) == old_location);
|
| - }
|
| -
|
| - // Move the evaucation candidate object.
|
| - CcTest::heap()->CollectAllGarbage();
|
| -
|
| - // Verify that the pointers in the large object got updated.
|
| - for (int i = 0; i < size; i += kStep) {
|
| - CHECK_EQ(lo->get(i), *lit);
|
| - CHECK(lo->get(i) != old_location);
|
| - }
|
| -}
|
| -
|
| -
|
| -class DummyVisitor : public ObjectVisitor {
|
| - public:
|
| - void VisitPointers(Object** start, Object** end) override {}
|
| -};
|
| -
|
| -
|
| -TEST(DeferredHandles) {
|
| - CcTest::InitializeVM();
|
| - Isolate* isolate = CcTest::i_isolate();
|
| - Heap* heap = isolate->heap();
|
| - v8::HandleScope scope(reinterpret_cast<v8::Isolate*>(isolate));
|
| - HandleScopeData* data = isolate->handle_scope_data();
|
| - Handle<Object> init(heap->empty_string(), isolate);
|
| - while (data->next < data->limit) {
|
| - Handle<Object> obj(heap->empty_string(), isolate);
|
| - }
|
| - // An entire block of handles has been filled.
|
| - // Next handle would require a new block.
|
| - CHECK(data->next == data->limit);
|
| -
|
| - DeferredHandleScope deferred(isolate);
|
| - DummyVisitor visitor;
|
| - isolate->handle_scope_implementer()->Iterate(&visitor);
|
| - delete deferred.Detach();
|
| -}
|
| -
|
| -
|
| -TEST(IncrementalMarkingStepMakesBigProgressWithLargeObjects) {
|
| - CcTest::InitializeVM();
|
| - v8::HandleScope scope(CcTest::isolate());
|
| - CompileRun("function f(n) {"
|
| - " var a = new Array(n);"
|
| - " for (var i = 0; i < n; i += 100) a[i] = i;"
|
| - "};"
|
| - "f(10 * 1024 * 1024);");
|
| - IncrementalMarking* marking = CcTest::heap()->incremental_marking();
|
| - if (marking->IsStopped()) {
|
| - CcTest::heap()->StartIncrementalMarking();
|
| - }
|
| - // This big step should be sufficient to mark the whole array.
|
| - marking->Step(100 * MB, IncrementalMarking::NO_GC_VIA_STACK_GUARD);
|
| - CHECK(marking->IsComplete() ||
|
| - marking->IsReadyToOverApproximateWeakClosure());
|
| -}
|
| -
|
| -
|
| -TEST(DisableInlineAllocation) {
|
| - i::FLAG_allow_natives_syntax = true;
|
| - CcTest::InitializeVM();
|
| - v8::HandleScope scope(CcTest::isolate());
|
| - CompileRun("function test() {"
|
| - " var x = [];"
|
| - " for (var i = 0; i < 10; i++) {"
|
| - " x[i] = [ {}, [1,2,3], [1,x,3] ];"
|
| - " }"
|
| - "}"
|
| - "function run() {"
|
| - " %OptimizeFunctionOnNextCall(test);"
|
| - " test();"
|
| - " %DeoptimizeFunction(test);"
|
| - "}");
|
| -
|
| - // Warm-up with inline allocation enabled.
|
| - CompileRun("test(); test(); run();");
|
| -
|
| - // Run test with inline allocation disabled.
|
| - CcTest::heap()->DisableInlineAllocation();
|
| - CompileRun("run()");
|
| -
|
| - // Run test with inline allocation re-enabled.
|
| - CcTest::heap()->EnableInlineAllocation();
|
| - CompileRun("run()");
|
| -}
|
| -
|
| -
|
| -static int AllocationSitesCount(Heap* heap) {
|
| - int count = 0;
|
| - for (Object* site = heap->allocation_sites_list();
|
| - !(site->IsUndefined());
|
| - site = AllocationSite::cast(site)->weak_next()) {
|
| - count++;
|
| - }
|
| - return count;
|
| -}
|
| -
|
| -
|
| -TEST(EnsureAllocationSiteDependentCodesProcessed) {
|
| - if (i::FLAG_always_opt || !i::FLAG_crankshaft) return;
|
| - i::FLAG_allow_natives_syntax = true;
|
| - CcTest::InitializeVM();
|
| - Isolate* isolate = CcTest::i_isolate();
|
| - v8::internal::Heap* heap = CcTest::heap();
|
| - GlobalHandles* global_handles = isolate->global_handles();
|
| -
|
| - if (!isolate->use_crankshaft()) return;
|
| -
|
| - // The allocation site at the head of the list is ours.
|
| - Handle<AllocationSite> site;
|
| - {
|
| - LocalContext context;
|
| - v8::HandleScope scope(context->GetIsolate());
|
| -
|
| - int count = AllocationSitesCount(heap);
|
| - CompileRun("var bar = function() { return (new Array()); };"
|
| - "var a = bar();"
|
| - "bar();"
|
| - "bar();");
|
| -
|
| - // One allocation site should have been created.
|
| - int new_count = AllocationSitesCount(heap);
|
| - CHECK_EQ(new_count, (count + 1));
|
| - site = Handle<AllocationSite>::cast(
|
| - global_handles->Create(
|
| - AllocationSite::cast(heap->allocation_sites_list())));
|
| -
|
| - CompileRun("%OptimizeFunctionOnNextCall(bar); bar();");
|
| -
|
| - CHECK_EQ(DependentCode::kAllocationSiteTransitionChangedGroup,
|
| - site->dependent_code()->group());
|
| - CHECK_EQ(1, site->dependent_code()->count());
|
| - CHECK(site->dependent_code()->object_at(0)->IsWeakCell());
|
| - Code* function_bar = Code::cast(
|
| - WeakCell::cast(site->dependent_code()->object_at(0))->value());
|
| - Handle<JSFunction> bar_handle = Handle<JSFunction>::cast(
|
| - v8::Utils::OpenHandle(*v8::Local<v8::Function>::Cast(
|
| - CcTest::global()
|
| - ->Get(context.local(), v8_str("bar"))
|
| - .ToLocalChecked())));
|
| - CHECK_EQ(bar_handle->code(), function_bar);
|
| - }
|
| -
|
| - // Now make sure that a gc should get rid of the function, even though we
|
| - // still have the allocation site alive.
|
| - for (int i = 0; i < 4; i++) {
|
| - heap->CollectAllGarbage();
|
| - }
|
| -
|
| - // The site still exists because of our global handle, but the code is no
|
| - // longer referred to by dependent_code().
|
| - CHECK(site->dependent_code()->object_at(0)->IsWeakCell() &&
|
| - WeakCell::cast(site->dependent_code()->object_at(0))->cleared());
|
| -}
|
| -
|
| -
|
| -TEST(CellsInOptimizedCodeAreWeak) {
|
| - if (i::FLAG_always_opt || !i::FLAG_crankshaft) return;
|
| - i::FLAG_weak_embedded_objects_in_optimized_code = true;
|
| - i::FLAG_allow_natives_syntax = true;
|
| - CcTest::InitializeVM();
|
| - Isolate* isolate = CcTest::i_isolate();
|
| - v8::internal::Heap* heap = CcTest::heap();
|
| -
|
| - if (!isolate->use_crankshaft()) return;
|
| - HandleScope outer_scope(heap->isolate());
|
| - Handle<Code> code;
|
| - {
|
| - LocalContext context;
|
| - HandleScope scope(heap->isolate());
|
| -
|
| - CompileRun("bar = (function() {"
|
| - " function bar() {"
|
| - " return foo(1);"
|
| - " };"
|
| - " var foo = function(x) { with (x) { return 1 + x; } };"
|
| - " bar(foo);"
|
| - " bar(foo);"
|
| - " bar(foo);"
|
| - " %OptimizeFunctionOnNextCall(bar);"
|
| - " bar(foo);"
|
| - " return bar;})();");
|
| -
|
| - Handle<JSFunction> bar = Handle<JSFunction>::cast(v8::Utils::OpenHandle(
|
| - *v8::Local<v8::Function>::Cast(CcTest::global()
|
| - ->Get(context.local(), v8_str("bar"))
|
| - .ToLocalChecked())));
|
| - code = scope.CloseAndEscape(Handle<Code>(bar->code()));
|
| - }
|
| -
|
| - // Now make sure that a gc should get rid of the function
|
| - for (int i = 0; i < 4; i++) {
|
| - heap->CollectAllGarbage();
|
| - }
|
| -
|
| - CHECK(code->marked_for_deoptimization());
|
| -}
|
| -
|
| -
|
| -TEST(ObjectsInOptimizedCodeAreWeak) {
|
| - if (i::FLAG_always_opt || !i::FLAG_crankshaft) return;
|
| - i::FLAG_weak_embedded_objects_in_optimized_code = true;
|
| - i::FLAG_allow_natives_syntax = true;
|
| - CcTest::InitializeVM();
|
| - Isolate* isolate = CcTest::i_isolate();
|
| - v8::internal::Heap* heap = CcTest::heap();
|
| -
|
| - if (!isolate->use_crankshaft()) return;
|
| - HandleScope outer_scope(heap->isolate());
|
| - Handle<Code> code;
|
| - {
|
| - LocalContext context;
|
| - HandleScope scope(heap->isolate());
|
| -
|
| - CompileRun("function bar() {"
|
| - " return foo(1);"
|
| - "};"
|
| - "function foo(x) { with (x) { return 1 + x; } };"
|
| - "bar();"
|
| - "bar();"
|
| - "bar();"
|
| - "%OptimizeFunctionOnNextCall(bar);"
|
| - "bar();");
|
| -
|
| - Handle<JSFunction> bar = Handle<JSFunction>::cast(v8::Utils::OpenHandle(
|
| - *v8::Local<v8::Function>::Cast(CcTest::global()
|
| - ->Get(context.local(), v8_str("bar"))
|
| - .ToLocalChecked())));
|
| - code = scope.CloseAndEscape(Handle<Code>(bar->code()));
|
| - }
|
| -
|
| - // Now make sure that a gc should get rid of the function
|
| - for (int i = 0; i < 4; i++) {
|
| - heap->CollectAllGarbage();
|
| - }
|
| -
|
| - CHECK(code->marked_for_deoptimization());
|
| -}
|
| -
|
| -
|
| -TEST(NoWeakHashTableLeakWithIncrementalMarking) {
|
| - if (i::FLAG_always_opt || !i::FLAG_crankshaft) return;
|
| - if (!i::FLAG_incremental_marking) return;
|
| - i::FLAG_weak_embedded_objects_in_optimized_code = true;
|
| - i::FLAG_allow_natives_syntax = true;
|
| - i::FLAG_compilation_cache = false;
|
| - i::FLAG_retain_maps_for_n_gc = 0;
|
| - CcTest::InitializeVM();
|
| - Isolate* isolate = CcTest::i_isolate();
|
| -
|
| - // Do not run for no-snap builds.
|
| - if (!i::Snapshot::HaveASnapshotToStartFrom(isolate)) return;
|
| -
|
| - v8::internal::Heap* heap = CcTest::heap();
|
| -
|
| - // Get a clean slate regarding optimized functions on the heap.
|
| - i::Deoptimizer::DeoptimizeAll(isolate);
|
| - heap->CollectAllGarbage();
|
| -
|
| - if (!isolate->use_crankshaft()) return;
|
| - HandleScope outer_scope(heap->isolate());
|
| - for (int i = 0; i < 3; i++) {
|
| - SimulateIncrementalMarking(heap);
|
| - {
|
| - LocalContext context;
|
| - HandleScope scope(heap->isolate());
|
| - EmbeddedVector<char, 256> source;
|
| - SNPrintF(source,
|
| - "function bar%d() {"
|
| - " return foo%d(1);"
|
| - "};"
|
| - "function foo%d(x) { with (x) { return 1 + x; } };"
|
| - "bar%d();"
|
| - "bar%d();"
|
| - "bar%d();"
|
| - "%%OptimizeFunctionOnNextCall(bar%d);"
|
| - "bar%d();",
|
| - i, i, i, i, i, i, i, i);
|
| - CompileRun(source.start());
|
| - }
|
| - heap->CollectAllGarbage();
|
| - }
|
| - int elements = 0;
|
| - if (heap->weak_object_to_code_table()->IsHashTable()) {
|
| - WeakHashTable* t = WeakHashTable::cast(heap->weak_object_to_code_table());
|
| - elements = t->NumberOfElements();
|
| - }
|
| - CHECK_EQ(0, elements);
|
| -}
|
| -
|
| -
|
| -static Handle<JSFunction> OptimizeDummyFunction(v8::Isolate* isolate,
|
| - const char* name) {
|
| - EmbeddedVector<char, 256> source;
|
| - SNPrintF(source,
|
| - "function %s() { return 0; }"
|
| - "%s(); %s();"
|
| - "%%OptimizeFunctionOnNextCall(%s);"
|
| - "%s();", name, name, name, name, name);
|
| - CompileRun(source.start());
|
| - i::Handle<JSFunction> fun = Handle<JSFunction>::cast(
|
| - v8::Utils::OpenHandle(*v8::Local<v8::Function>::Cast(
|
| - CcTest::global()
|
| - ->Get(isolate->GetCurrentContext(), v8_str(name))
|
| - .ToLocalChecked())));
|
| - return fun;
|
| -}
|
| -
|
| -
|
| -static int GetCodeChainLength(Code* code) {
|
| - int result = 0;
|
| - while (code->next_code_link()->IsCode()) {
|
| - result++;
|
| - code = Code::cast(code->next_code_link());
|
| - }
|
| - return result;
|
| -}
|
| -
|
| -
|
| -TEST(NextCodeLinkIsWeak) {
|
| - i::FLAG_always_opt = false;
|
| - i::FLAG_allow_natives_syntax = true;
|
| - CcTest::InitializeVM();
|
| - Isolate* isolate = CcTest::i_isolate();
|
| - v8::internal::Heap* heap = CcTest::heap();
|
| -
|
| - if (!isolate->use_crankshaft()) return;
|
| - HandleScope outer_scope(heap->isolate());
|
| - Handle<Code> code;
|
| - heap->CollectAllAvailableGarbage();
|
| - int code_chain_length_before, code_chain_length_after;
|
| - {
|
| - HandleScope scope(heap->isolate());
|
| - Handle<JSFunction> mortal =
|
| - OptimizeDummyFunction(CcTest::isolate(), "mortal");
|
| - Handle<JSFunction> immortal =
|
| - OptimizeDummyFunction(CcTest::isolate(), "immortal");
|
| - CHECK_EQ(immortal->code()->next_code_link(), mortal->code());
|
| - code_chain_length_before = GetCodeChainLength(immortal->code());
|
| - // Keep the immortal code and let the mortal code die.
|
| - code = scope.CloseAndEscape(Handle<Code>(immortal->code()));
|
| - CompileRun("mortal = null; immortal = null;");
|
| - }
|
| - heap->CollectAllAvailableGarbage();
|
| - // Now mortal code should be dead.
|
| - code_chain_length_after = GetCodeChainLength(*code);
|
| - CHECK_EQ(code_chain_length_before - 1, code_chain_length_after);
|
| -}
|
| -
|
| -
|
| -static Handle<Code> DummyOptimizedCode(Isolate* isolate) {
|
| - i::byte buffer[i::Assembler::kMinimalBufferSize];
|
| - MacroAssembler masm(isolate, buffer, sizeof(buffer),
|
| - v8::internal::CodeObjectRequired::kYes);
|
| - CodeDesc desc;
|
| - masm.Push(isolate->factory()->undefined_value());
|
| - masm.Drop(1);
|
| - masm.GetCode(&desc);
|
| - Handle<Object> undefined(isolate->heap()->undefined_value(), isolate);
|
| - Handle<Code> code = isolate->factory()->NewCode(
|
| - desc, Code::ComputeFlags(Code::OPTIMIZED_FUNCTION), undefined);
|
| - CHECK(code->IsCode());
|
| - return code;
|
| -}
|
| -
|
| -
|
| -TEST(NextCodeLinkIsWeak2) {
|
| - i::FLAG_allow_natives_syntax = true;
|
| - CcTest::InitializeVM();
|
| - Isolate* isolate = CcTest::i_isolate();
|
| - v8::internal::Heap* heap = CcTest::heap();
|
| -
|
| - if (!isolate->use_crankshaft()) return;
|
| - HandleScope outer_scope(heap->isolate());
|
| - heap->CollectAllAvailableGarbage();
|
| - Handle<Context> context(Context::cast(heap->native_contexts_list()), isolate);
|
| - Handle<Code> new_head;
|
| - Handle<Object> old_head(context->get(Context::OPTIMIZED_CODE_LIST), isolate);
|
| - {
|
| - HandleScope scope(heap->isolate());
|
| - Handle<Code> immortal = DummyOptimizedCode(isolate);
|
| - Handle<Code> mortal = DummyOptimizedCode(isolate);
|
| - mortal->set_next_code_link(*old_head);
|
| - immortal->set_next_code_link(*mortal);
|
| - context->set(Context::OPTIMIZED_CODE_LIST, *immortal);
|
| - new_head = scope.CloseAndEscape(immortal);
|
| - }
|
| - heap->CollectAllAvailableGarbage();
|
| - // Now mortal code should be dead.
|
| - CHECK_EQ(*old_head, new_head->next_code_link());
|
| -}
|
| -
|
| -
|
| -static bool weak_ic_cleared = false;
|
| -
|
| -static void ClearWeakIC(
|
| - const v8::WeakCallbackInfo<v8::Persistent<v8::Object>>& data) {
|
| - printf("clear weak is called\n");
|
| - weak_ic_cleared = true;
|
| - data.GetParameter()->Reset();
|
| -}
|
| -
|
| -
|
| -TEST(WeakFunctionInConstructor) {
|
| - if (i::FLAG_always_opt) return;
|
| - i::FLAG_stress_compaction = false;
|
| - CcTest::InitializeVM();
|
| - v8::Isolate* isolate = CcTest::isolate();
|
| - LocalContext env;
|
| - v8::HandleScope scope(isolate);
|
| - CompileRun(
|
| - "function createObj(obj) {"
|
| - " return new obj();"
|
| - "}");
|
| - i::Handle<JSFunction> createObj = Handle<JSFunction>::cast(
|
| - v8::Utils::OpenHandle(*v8::Local<v8::Function>::Cast(
|
| - CcTest::global()
|
| - ->Get(env.local(), v8_str("createObj"))
|
| - .ToLocalChecked())));
|
| -
|
| - v8::Persistent<v8::Object> garbage;
|
| - {
|
| - v8::HandleScope scope(isolate);
|
| - const char* source =
|
| - " (function() {"
|
| - " function hat() { this.x = 5; }"
|
| - " createObj(hat);"
|
| - " createObj(hat);"
|
| - " return hat;"
|
| - " })();";
|
| - garbage.Reset(isolate, CompileRun(env.local(), source)
|
| - .ToLocalChecked()
|
| - ->ToObject(env.local())
|
| - .ToLocalChecked());
|
| - }
|
| - weak_ic_cleared = false;
|
| - garbage.SetWeak(&garbage, &ClearWeakIC, v8::WeakCallbackType::kParameter);
|
| - Heap* heap = CcTest::i_isolate()->heap();
|
| - heap->CollectAllGarbage();
|
| - CHECK(weak_ic_cleared);
|
| -
|
| - // We've determined the constructor in createObj has had it's weak cell
|
| - // cleared. Now, verify that one additional call with a new function
|
| - // allows monomorphicity.
|
| - Handle<TypeFeedbackVector> feedback_vector = Handle<TypeFeedbackVector>(
|
| - createObj->shared()->feedback_vector(), CcTest::i_isolate());
|
| - for (int i = 0; i < 20; i++) {
|
| - Object* slot_value = feedback_vector->Get(FeedbackVectorSlot(0));
|
| - CHECK(slot_value->IsWeakCell());
|
| - if (WeakCell::cast(slot_value)->cleared()) break;
|
| - heap->CollectAllGarbage();
|
| - }
|
| -
|
| - Object* slot_value = feedback_vector->Get(FeedbackVectorSlot(0));
|
| - CHECK(slot_value->IsWeakCell() && WeakCell::cast(slot_value)->cleared());
|
| - CompileRun(
|
| - "function coat() { this.x = 6; }"
|
| - "createObj(coat);");
|
| - slot_value = feedback_vector->Get(FeedbackVectorSlot(0));
|
| - CHECK(slot_value->IsWeakCell() && !WeakCell::cast(slot_value)->cleared());
|
| -}
|
| -
|
| -
|
| -// Checks that the value returned by execution of the source is weak.
|
| -void CheckWeakness(const char* source) {
|
| - i::FLAG_stress_compaction = false;
|
| - CcTest::InitializeVM();
|
| - v8::Isolate* isolate = CcTest::isolate();
|
| - LocalContext env;
|
| - v8::HandleScope scope(isolate);
|
| - v8::Persistent<v8::Object> garbage;
|
| - {
|
| - v8::HandleScope scope(isolate);
|
| - garbage.Reset(isolate, CompileRun(env.local(), source)
|
| - .ToLocalChecked()
|
| - ->ToObject(env.local())
|
| - .ToLocalChecked());
|
| - }
|
| - weak_ic_cleared = false;
|
| - garbage.SetWeak(&garbage, &ClearWeakIC, v8::WeakCallbackType::kParameter);
|
| - Heap* heap = CcTest::i_isolate()->heap();
|
| - heap->CollectAllGarbage();
|
| - CHECK(weak_ic_cleared);
|
| -}
|
| -
|
| -
|
| -// Each of the following "weak IC" tests creates an IC that embeds a map with
|
| -// the prototype pointing to _proto_ and checks that the _proto_ dies on GC.
|
| -TEST(WeakMapInMonomorphicLoadIC) {
|
| - CheckWeakness("function loadIC(obj) {"
|
| - " return obj.name;"
|
| - "}"
|
| - " (function() {"
|
| - " var proto = {'name' : 'weak'};"
|
| - " var obj = Object.create(proto);"
|
| - " loadIC(obj);"
|
| - " loadIC(obj);"
|
| - " loadIC(obj);"
|
| - " return proto;"
|
| - " })();");
|
| -}
|
| -
|
| -
|
| -TEST(WeakMapInPolymorphicLoadIC) {
|
| - CheckWeakness(
|
| - "function loadIC(obj) {"
|
| - " return obj.name;"
|
| - "}"
|
| - " (function() {"
|
| - " var proto = {'name' : 'weak'};"
|
| - " var obj = Object.create(proto);"
|
| - " loadIC(obj);"
|
| - " loadIC(obj);"
|
| - " loadIC(obj);"
|
| - " var poly = Object.create(proto);"
|
| - " poly.x = true;"
|
| - " loadIC(poly);"
|
| - " return proto;"
|
| - " })();");
|
| -}
|
| -
|
| -
|
| -TEST(WeakMapInMonomorphicKeyedLoadIC) {
|
| - CheckWeakness("function keyedLoadIC(obj, field) {"
|
| - " return obj[field];"
|
| - "}"
|
| - " (function() {"
|
| - " var proto = {'name' : 'weak'};"
|
| - " var obj = Object.create(proto);"
|
| - " keyedLoadIC(obj, 'name');"
|
| - " keyedLoadIC(obj, 'name');"
|
| - " keyedLoadIC(obj, 'name');"
|
| - " return proto;"
|
| - " })();");
|
| -}
|
| -
|
| -
|
| -TEST(WeakMapInPolymorphicKeyedLoadIC) {
|
| - CheckWeakness(
|
| - "function keyedLoadIC(obj, field) {"
|
| - " return obj[field];"
|
| - "}"
|
| - " (function() {"
|
| - " var proto = {'name' : 'weak'};"
|
| - " var obj = Object.create(proto);"
|
| - " keyedLoadIC(obj, 'name');"
|
| - " keyedLoadIC(obj, 'name');"
|
| - " keyedLoadIC(obj, 'name');"
|
| - " var poly = Object.create(proto);"
|
| - " poly.x = true;"
|
| - " keyedLoadIC(poly, 'name');"
|
| - " return proto;"
|
| - " })();");
|
| -}
|
| -
|
| -
|
| -TEST(WeakMapInMonomorphicStoreIC) {
|
| - CheckWeakness("function storeIC(obj, value) {"
|
| - " obj.name = value;"
|
| - "}"
|
| - " (function() {"
|
| - " var proto = {'name' : 'weak'};"
|
| - " var obj = Object.create(proto);"
|
| - " storeIC(obj, 'x');"
|
| - " storeIC(obj, 'x');"
|
| - " storeIC(obj, 'x');"
|
| - " return proto;"
|
| - " })();");
|
| -}
|
| -
|
| -
|
| -TEST(WeakMapInPolymorphicStoreIC) {
|
| - CheckWeakness(
|
| - "function storeIC(obj, value) {"
|
| - " obj.name = value;"
|
| - "}"
|
| - " (function() {"
|
| - " var proto = {'name' : 'weak'};"
|
| - " var obj = Object.create(proto);"
|
| - " storeIC(obj, 'x');"
|
| - " storeIC(obj, 'x');"
|
| - " storeIC(obj, 'x');"
|
| - " var poly = Object.create(proto);"
|
| - " poly.x = true;"
|
| - " storeIC(poly, 'x');"
|
| - " return proto;"
|
| - " })();");
|
| -}
|
| -
|
| -
|
| -TEST(WeakMapInMonomorphicKeyedStoreIC) {
|
| - CheckWeakness("function keyedStoreIC(obj, field, value) {"
|
| - " obj[field] = value;"
|
| - "}"
|
| - " (function() {"
|
| - " var proto = {'name' : 'weak'};"
|
| - " var obj = Object.create(proto);"
|
| - " keyedStoreIC(obj, 'x');"
|
| - " keyedStoreIC(obj, 'x');"
|
| - " keyedStoreIC(obj, 'x');"
|
| - " return proto;"
|
| - " })();");
|
| -}
|
| -
|
| -
|
| -TEST(WeakMapInPolymorphicKeyedStoreIC) {
|
| - CheckWeakness(
|
| - "function keyedStoreIC(obj, field, value) {"
|
| - " obj[field] = value;"
|
| - "}"
|
| - " (function() {"
|
| - " var proto = {'name' : 'weak'};"
|
| - " var obj = Object.create(proto);"
|
| - " keyedStoreIC(obj, 'x');"
|
| - " keyedStoreIC(obj, 'x');"
|
| - " keyedStoreIC(obj, 'x');"
|
| - " var poly = Object.create(proto);"
|
| - " poly.x = true;"
|
| - " keyedStoreIC(poly, 'x');"
|
| - " return proto;"
|
| - " })();");
|
| -}
|
| -
|
| -
|
| -TEST(WeakMapInMonomorphicCompareNilIC) {
|
| - CheckWeakness("function compareNilIC(obj) {"
|
| - " return obj == null;"
|
| - "}"
|
| - " (function() {"
|
| - " var proto = {'name' : 'weak'};"
|
| - " var obj = Object.create(proto);"
|
| - " compareNilIC(obj);"
|
| - " compareNilIC(obj);"
|
| - " compareNilIC(obj);"
|
| - " return proto;"
|
| - " })();");
|
| -}
|
| -
|
| -
|
| -Handle<JSFunction> GetFunctionByName(Isolate* isolate, const char* name) {
|
| - Handle<String> str = isolate->factory()->InternalizeUtf8String(name);
|
| - Handle<Object> obj =
|
| - Object::GetProperty(isolate->global_object(), str).ToHandleChecked();
|
| - return Handle<JSFunction>::cast(obj);
|
| -}
|
| -
|
| -
|
| -void CheckIC(Code* code, Code::Kind kind, SharedFunctionInfo* shared,
|
| - int slot_index, InlineCacheState state) {
|
| - if (kind == Code::LOAD_IC || kind == Code::KEYED_LOAD_IC ||
|
| - kind == Code::CALL_IC) {
|
| - TypeFeedbackVector* vector = shared->feedback_vector();
|
| - FeedbackVectorSlot slot(slot_index);
|
| - if (kind == Code::LOAD_IC) {
|
| - LoadICNexus nexus(vector, slot);
|
| - CHECK_EQ(nexus.StateFromFeedback(), state);
|
| - } else if (kind == Code::KEYED_LOAD_IC) {
|
| - KeyedLoadICNexus nexus(vector, slot);
|
| - CHECK_EQ(nexus.StateFromFeedback(), state);
|
| - } else if (kind == Code::CALL_IC) {
|
| - CallICNexus nexus(vector, slot);
|
| - CHECK_EQ(nexus.StateFromFeedback(), state);
|
| - }
|
| - } else {
|
| - Code* ic = FindFirstIC(code, kind);
|
| - CHECK(ic->is_inline_cache_stub());
|
| - CHECK(ic->ic_state() == state);
|
| - }
|
| -}
|
| -
|
| -
|
| -TEST(MonomorphicStaysMonomorphicAfterGC) {
|
| - if (FLAG_always_opt) return;
|
| - CcTest::InitializeVM();
|
| - Isolate* isolate = CcTest::i_isolate();
|
| - Heap* heap = isolate->heap();
|
| - v8::HandleScope scope(CcTest::isolate());
|
| - CompileRun(
|
| - "function loadIC(obj) {"
|
| - " return obj.name;"
|
| - "}"
|
| - "function testIC() {"
|
| - " var proto = {'name' : 'weak'};"
|
| - " var obj = Object.create(proto);"
|
| - " loadIC(obj);"
|
| - " loadIC(obj);"
|
| - " loadIC(obj);"
|
| - " return proto;"
|
| - "};");
|
| - Handle<JSFunction> loadIC = GetFunctionByName(isolate, "loadIC");
|
| - {
|
| - v8::HandleScope scope(CcTest::isolate());
|
| - CompileRun("(testIC())");
|
| - }
|
| - heap->CollectAllGarbage();
|
| - CheckIC(loadIC->code(), Code::LOAD_IC, loadIC->shared(), 0, MONOMORPHIC);
|
| - {
|
| - v8::HandleScope scope(CcTest::isolate());
|
| - CompileRun("(testIC())");
|
| - }
|
| - CheckIC(loadIC->code(), Code::LOAD_IC, loadIC->shared(), 0, MONOMORPHIC);
|
| -}
|
| -
|
| -
|
| -TEST(PolymorphicStaysPolymorphicAfterGC) {
|
| - if (FLAG_always_opt) return;
|
| - CcTest::InitializeVM();
|
| - Isolate* isolate = CcTest::i_isolate();
|
| - Heap* heap = isolate->heap();
|
| - v8::HandleScope scope(CcTest::isolate());
|
| - CompileRun(
|
| - "function loadIC(obj) {"
|
| - " return obj.name;"
|
| - "}"
|
| - "function testIC() {"
|
| - " var proto = {'name' : 'weak'};"
|
| - " var obj = Object.create(proto);"
|
| - " loadIC(obj);"
|
| - " loadIC(obj);"
|
| - " loadIC(obj);"
|
| - " var poly = Object.create(proto);"
|
| - " poly.x = true;"
|
| - " loadIC(poly);"
|
| - " return proto;"
|
| - "};");
|
| - Handle<JSFunction> loadIC = GetFunctionByName(isolate, "loadIC");
|
| - {
|
| - v8::HandleScope scope(CcTest::isolate());
|
| - CompileRun("(testIC())");
|
| - }
|
| - heap->CollectAllGarbage();
|
| - CheckIC(loadIC->code(), Code::LOAD_IC, loadIC->shared(), 0, POLYMORPHIC);
|
| - {
|
| - v8::HandleScope scope(CcTest::isolate());
|
| - CompileRun("(testIC())");
|
| - }
|
| - CheckIC(loadIC->code(), Code::LOAD_IC, loadIC->shared(), 0, POLYMORPHIC);
|
| -}
|
| -
|
| -
|
| -TEST(WeakCell) {
|
| - CcTest::InitializeVM();
|
| - Isolate* isolate = CcTest::i_isolate();
|
| - v8::internal::Heap* heap = CcTest::heap();
|
| - v8::internal::Factory* factory = isolate->factory();
|
| -
|
| - HandleScope outer_scope(isolate);
|
| - Handle<WeakCell> weak_cell1;
|
| - {
|
| - HandleScope inner_scope(isolate);
|
| - Handle<HeapObject> value = factory->NewFixedArray(1, NOT_TENURED);
|
| - weak_cell1 = inner_scope.CloseAndEscape(factory->NewWeakCell(value));
|
| - }
|
| -
|
| - Handle<FixedArray> survivor = factory->NewFixedArray(1, NOT_TENURED);
|
| - Handle<WeakCell> weak_cell2;
|
| - {
|
| - HandleScope inner_scope(isolate);
|
| - weak_cell2 = inner_scope.CloseAndEscape(factory->NewWeakCell(survivor));
|
| - }
|
| - CHECK(weak_cell1->value()->IsFixedArray());
|
| - CHECK_EQ(*survivor, weak_cell2->value());
|
| - heap->CollectGarbage(NEW_SPACE);
|
| - CHECK(weak_cell1->value()->IsFixedArray());
|
| - CHECK_EQ(*survivor, weak_cell2->value());
|
| - heap->CollectGarbage(NEW_SPACE);
|
| - CHECK(weak_cell1->value()->IsFixedArray());
|
| - CHECK_EQ(*survivor, weak_cell2->value());
|
| - heap->CollectAllAvailableGarbage();
|
| - CHECK(weak_cell1->cleared());
|
| - CHECK_EQ(*survivor, weak_cell2->value());
|
| -}
|
| -
|
| -
|
| -TEST(WeakCellsWithIncrementalMarking) {
|
| - CcTest::InitializeVM();
|
| - Isolate* isolate = CcTest::i_isolate();
|
| - v8::internal::Heap* heap = CcTest::heap();
|
| - v8::internal::Factory* factory = isolate->factory();
|
| -
|
| - const int N = 16;
|
| - HandleScope outer_scope(isolate);
|
| - Handle<FixedArray> survivor = factory->NewFixedArray(1, NOT_TENURED);
|
| - Handle<WeakCell> weak_cells[N];
|
| -
|
| - for (int i = 0; i < N; i++) {
|
| - HandleScope inner_scope(isolate);
|
| - Handle<HeapObject> value =
|
| - i == 0 ? survivor : factory->NewFixedArray(1, NOT_TENURED);
|
| - Handle<WeakCell> weak_cell = factory->NewWeakCell(value);
|
| - CHECK(weak_cell->value()->IsFixedArray());
|
| - IncrementalMarking* marking = heap->incremental_marking();
|
| - if (marking->IsStopped()) {
|
| - heap->StartIncrementalMarking();
|
| - }
|
| - marking->Step(128, IncrementalMarking::NO_GC_VIA_STACK_GUARD);
|
| - heap->CollectGarbage(NEW_SPACE);
|
| - CHECK(weak_cell->value()->IsFixedArray());
|
| - weak_cells[i] = inner_scope.CloseAndEscape(weak_cell);
|
| - }
|
| - heap->CollectAllGarbage();
|
| - CHECK_EQ(*survivor, weak_cells[0]->value());
|
| - for (int i = 1; i < N; i++) {
|
| - CHECK(weak_cells[i]->cleared());
|
| - }
|
| -}
|
| -
|
| -
|
| -#ifdef DEBUG
|
| -TEST(AddInstructionChangesNewSpacePromotion) {
|
| - i::FLAG_allow_natives_syntax = true;
|
| - i::FLAG_expose_gc = true;
|
| - i::FLAG_stress_compaction = true;
|
| - i::FLAG_gc_interval = 1000;
|
| - CcTest::InitializeVM();
|
| - if (!i::FLAG_allocation_site_pretenuring) return;
|
| - v8::HandleScope scope(CcTest::isolate());
|
| - Isolate* isolate = CcTest::i_isolate();
|
| - Heap* heap = isolate->heap();
|
| - LocalContext env;
|
| - CompileRun(
|
| - "function add(a, b) {"
|
| - " return a + b;"
|
| - "}"
|
| - "add(1, 2);"
|
| - "add(\"a\", \"b\");"
|
| - "var oldSpaceObject;"
|
| - "gc();"
|
| - "function crash(x) {"
|
| - " var object = {a: null, b: null};"
|
| - " var result = add(1.5, x | 0);"
|
| - " object.a = result;"
|
| - " oldSpaceObject = object;"
|
| - " return object;"
|
| - "}"
|
| - "crash(1);"
|
| - "crash(1);"
|
| - "%OptimizeFunctionOnNextCall(crash);"
|
| - "crash(1);");
|
| -
|
| - v8::Local<v8::Object> global = CcTest::global();
|
| - v8::Local<v8::Function> g = v8::Local<v8::Function>::Cast(
|
| - global->Get(env.local(), v8_str("crash")).ToLocalChecked());
|
| - v8::Local<v8::Value> args1[] = {v8_num(1)};
|
| - heap->DisableInlineAllocation();
|
| - heap->set_allocation_timeout(1);
|
| - g->Call(env.local(), global, 1, args1).ToLocalChecked();
|
| - heap->CollectAllGarbage();
|
| -}
|
| -
|
| -
|
| -void OnFatalErrorExpectOOM(const char* location, const char* message) {
|
| - // Exit with 0 if the location matches our expectation.
|
| - exit(strcmp(location, "CALL_AND_RETRY_LAST"));
|
| -}
|
| -
|
| -
|
| -TEST(CEntryStubOOM) {
|
| - i::FLAG_allow_natives_syntax = true;
|
| - CcTest::InitializeVM();
|
| - v8::HandleScope scope(CcTest::isolate());
|
| - CcTest::isolate()->SetFatalErrorHandler(OnFatalErrorExpectOOM);
|
| -
|
| - v8::Local<v8::Value> result = CompileRun(
|
| - "%SetFlags('--gc-interval=1');"
|
| - "var a = [];"
|
| - "a.__proto__ = [];"
|
| - "a.unshift(1)");
|
| -
|
| - CHECK(result->IsNumber());
|
| -}
|
| -
|
| -#endif // DEBUG
|
| -
|
| -
|
| -static void InterruptCallback357137(v8::Isolate* isolate, void* data) { }
|
| -
|
| -
|
| -static void RequestInterrupt(const v8::FunctionCallbackInfo<v8::Value>& args) {
|
| - CcTest::isolate()->RequestInterrupt(&InterruptCallback357137, NULL);
|
| -}
|
| -
|
| -
|
| -UNINITIALIZED_TEST(Regress538257) {
|
| - i::FLAG_manual_evacuation_candidates_selection = true;
|
| - v8::Isolate::CreateParams create_params;
|
| - // Set heap limits.
|
| - create_params.constraints.set_max_semi_space_size(1 * Page::kPageSize / MB);
|
| - create_params.constraints.set_max_old_space_size(6 * Page::kPageSize / MB);
|
| - create_params.array_buffer_allocator = CcTest::array_buffer_allocator();
|
| - v8::Isolate* isolate = v8::Isolate::New(create_params);
|
| - isolate->Enter();
|
| - {
|
| - i::Isolate* i_isolate = reinterpret_cast<i::Isolate*>(isolate);
|
| - HandleScope handle_scope(i_isolate);
|
| - PagedSpace* old_space = i_isolate->heap()->old_space();
|
| - const int kMaxObjects = 10000;
|
| - const int kFixedArrayLen = 512;
|
| - Handle<FixedArray> objects[kMaxObjects];
|
| - for (int i = 0; (i < kMaxObjects) && old_space->CanExpand(Page::kPageSize);
|
| - i++) {
|
| - objects[i] = i_isolate->factory()->NewFixedArray(kFixedArrayLen, TENURED);
|
| - Page::FromAddress(objects[i]->address())
|
| - ->SetFlag(MemoryChunk::FORCE_EVACUATION_CANDIDATE_FOR_TESTING);
|
| - }
|
| - SimulateFullSpace(old_space);
|
| - i_isolate->heap()->CollectGarbage(OLD_SPACE);
|
| - // If we get this far, we've successfully aborted compaction. Any further
|
| - // allocations might trigger OOM.
|
| - }
|
| - isolate->Exit();
|
| - isolate->Dispose();
|
| -}
|
| -
|
| -
|
| -TEST(Regress357137) {
|
| - CcTest::InitializeVM();
|
| - v8::Isolate* isolate = CcTest::isolate();
|
| - v8::HandleScope hscope(isolate);
|
| - v8::Local<v8::ObjectTemplate> global = v8::ObjectTemplate::New(isolate);
|
| - global->Set(
|
| - v8::String::NewFromUtf8(isolate, "interrupt", v8::NewStringType::kNormal)
|
| - .ToLocalChecked(),
|
| - v8::FunctionTemplate::New(isolate, RequestInterrupt));
|
| - v8::Local<v8::Context> context = v8::Context::New(isolate, NULL, global);
|
| - CHECK(!context.IsEmpty());
|
| - v8::Context::Scope cscope(context);
|
| -
|
| - v8::Local<v8::Value> result = CompileRun(
|
| - "var locals = '';"
|
| - "for (var i = 0; i < 512; i++) locals += 'var v' + i + '= 42;';"
|
| - "eval('function f() {' + locals + 'return function() { return v0; }; }');"
|
| - "interrupt();" // This triggers a fake stack overflow in f.
|
| - "f()()");
|
| - CHECK_EQ(42.0, result->ToNumber(context).ToLocalChecked()->Value());
|
| -}
|
| -
|
| -
|
| -TEST(Regress507979) {
|
| - const int kFixedArrayLen = 10;
|
| - CcTest::InitializeVM();
|
| - Isolate* isolate = CcTest::i_isolate();
|
| - Heap* heap = isolate->heap();
|
| - HandleScope handle_scope(isolate);
|
| -
|
| - Handle<FixedArray> o1 = isolate->factory()->NewFixedArray(kFixedArrayLen);
|
| - Handle<FixedArray> o2 = isolate->factory()->NewFixedArray(kFixedArrayLen);
|
| - CHECK(heap->InNewSpace(o1->address()));
|
| - CHECK(heap->InNewSpace(o2->address()));
|
| -
|
| - HeapIterator it(heap, i::HeapIterator::kFilterUnreachable);
|
| -
|
| - // Replace parts of an object placed before a live object with a filler. This
|
| - // way the filler object shares the mark bits with the following live object.
|
| - o1->Shrink(kFixedArrayLen - 1);
|
| -
|
| - for (HeapObject* obj = it.next(); obj != NULL; obj = it.next()) {
|
| - // Let's not optimize the loop away.
|
| - CHECK(obj->address() != nullptr);
|
| - }
|
| -}
|
| -
|
| -
|
| -TEST(ArrayShiftSweeping) {
|
| - i::FLAG_expose_gc = true;
|
| - CcTest::InitializeVM();
|
| - v8::HandleScope scope(CcTest::isolate());
|
| - Isolate* isolate = CcTest::i_isolate();
|
| - Heap* heap = isolate->heap();
|
| -
|
| - v8::Local<v8::Value> result = CompileRun(
|
| - "var array = new Array(400);"
|
| - "var tmp = new Array(1000);"
|
| - "array[0] = 10;"
|
| - "gc();"
|
| - "gc();"
|
| - "array.shift();"
|
| - "array;");
|
| -
|
| - Handle<JSObject> o = Handle<JSObject>::cast(
|
| - v8::Utils::OpenHandle(*v8::Local<v8::Object>::Cast(result)));
|
| - CHECK(heap->InOldSpace(o->elements()));
|
| - CHECK(heap->InOldSpace(*o));
|
| - Page* page = Page::FromAddress(o->elements()->address());
|
| - CHECK(page->parallel_sweeping_state().Value() <=
|
| - MemoryChunk::kSweepingFinalize ||
|
| - Marking::IsBlack(Marking::MarkBitFrom(o->elements())));
|
| -}
|
| -
|
| -
|
| -UNINITIALIZED_TEST(PromotionQueue) {
|
| - i::FLAG_expose_gc = true;
|
| - i::FLAG_max_semi_space_size = 2 * (Page::kPageSize / MB);
|
| - i::FLAG_min_semi_space_size = i::FLAG_max_semi_space_size;
|
| - v8::Isolate::CreateParams create_params;
|
| - create_params.array_buffer_allocator = CcTest::array_buffer_allocator();
|
| - v8::Isolate* isolate = v8::Isolate::New(create_params);
|
| - i::Isolate* i_isolate = reinterpret_cast<i::Isolate*>(isolate);
|
| - {
|
| - v8::Isolate::Scope isolate_scope(isolate);
|
| - v8::HandleScope handle_scope(isolate);
|
| - v8::Context::New(isolate)->Enter();
|
| - Heap* heap = i_isolate->heap();
|
| - NewSpace* new_space = heap->new_space();
|
| -
|
| - // In this test we will try to overwrite the promotion queue which is at the
|
| - // end of to-space. To actually make that possible, we need at least two
|
| - // semi-space pages and take advantage of fragmentation.
|
| - // (1) Use a semi-space consisting of two pages.
|
| - // (2) Create a few small long living objects and call the scavenger to
|
| - // move them to the other semi-space.
|
| - // (3) Create a huge object, i.e., remainder of first semi-space page and
|
| - // create another huge object which should be of maximum allocatable memory
|
| - // size of the second semi-space page.
|
| - // (4) Call the scavenger again.
|
| - // What will happen is: the scavenger will promote the objects created in
|
| - // (2) and will create promotion queue entries at the end of the second
|
| - // semi-space page during the next scavenge when it promotes the objects to
|
| - // the old generation. The first allocation of (3) will fill up the first
|
| - // semi-space page. The second allocation in (3) will not fit into the
|
| - // first semi-space page, but it will overwrite the promotion queue which
|
| - // are in the second semi-space page. If the right guards are in place, the
|
| - // promotion queue will be evacuated in that case.
|
| -
|
| -
|
| - CHECK(new_space->IsAtMaximumCapacity());
|
| - CHECK(i::FLAG_min_semi_space_size * MB == new_space->TotalCapacity());
|
| -
|
| - // Call the scavenger two times to get an empty new space
|
| - heap->CollectGarbage(NEW_SPACE);
|
| - heap->CollectGarbage(NEW_SPACE);
|
| -
|
| - // First create a few objects which will survive a scavenge, and will get
|
| - // promoted to the old generation later on. These objects will create
|
| - // promotion queue entries at the end of the second semi-space page.
|
| - const int number_handles = 12;
|
| - Handle<FixedArray> handles[number_handles];
|
| - for (int i = 0; i < number_handles; i++) {
|
| - handles[i] = i_isolate->factory()->NewFixedArray(1, NOT_TENURED);
|
| - }
|
| -
|
| - heap->CollectGarbage(NEW_SPACE);
|
| - CHECK(i::FLAG_min_semi_space_size * MB == new_space->TotalCapacity());
|
| -
|
| - // Fill-up the first semi-space page.
|
| - FillUpOnePage(new_space);
|
| -
|
| - // Create a small object to initialize the bump pointer on the second
|
| - // semi-space page.
|
| - Handle<FixedArray> small =
|
| - i_isolate->factory()->NewFixedArray(1, NOT_TENURED);
|
| - CHECK(heap->InNewSpace(*small));
|
| -
|
| - // Fill-up the second semi-space page.
|
| - FillUpOnePage(new_space);
|
| -
|
| - // This scavenge will corrupt memory if the promotion queue is not
|
| - // evacuated.
|
| - heap->CollectGarbage(NEW_SPACE);
|
| - }
|
| - isolate->Dispose();
|
| -}
|
| -
|
| -
|
| -TEST(Regress388880) {
|
| - i::FLAG_expose_gc = true;
|
| - CcTest::InitializeVM();
|
| - v8::HandleScope scope(CcTest::isolate());
|
| - Isolate* isolate = CcTest::i_isolate();
|
| - Factory* factory = isolate->factory();
|
| - Heap* heap = isolate->heap();
|
| -
|
| - Handle<Map> map1 = Map::Create(isolate, 1);
|
| - Handle<Map> map2 =
|
| - Map::CopyWithField(map1, factory->NewStringFromStaticChars("foo"),
|
| - HeapType::Any(isolate), NONE, Representation::Tagged(),
|
| - OMIT_TRANSITION).ToHandleChecked();
|
| -
|
| - int desired_offset = Page::kPageSize - map1->instance_size();
|
| -
|
| - // Allocate padding objects in old pointer space so, that object allocated
|
| - // afterwards would end at the end of the page.
|
| - SimulateFullSpace(heap->old_space());
|
| - int padding_size = desired_offset - Page::kObjectStartOffset;
|
| - CreatePadding(heap, padding_size, TENURED);
|
| -
|
| - Handle<JSObject> o = factory->NewJSObjectFromMap(map1, TENURED);
|
| - o->set_properties(*factory->empty_fixed_array());
|
| -
|
| - // Ensure that the object allocated where we need it.
|
| - Page* page = Page::FromAddress(o->address());
|
| - CHECK_EQ(desired_offset, page->Offset(o->address()));
|
| -
|
| - // Now we have an object right at the end of the page.
|
| -
|
| - // Enable incremental marking to trigger actions in Heap::AdjustLiveBytes()
|
| - // that would cause crash.
|
| - IncrementalMarking* marking = CcTest::heap()->incremental_marking();
|
| - marking->Stop();
|
| - CcTest::heap()->StartIncrementalMarking();
|
| - CHECK(marking->IsMarking());
|
| -
|
| - // Now everything is set up for crashing in JSObject::MigrateFastToFast()
|
| - // when it calls heap->AdjustLiveBytes(...).
|
| - JSObject::MigrateToMap(o, map2);
|
| -}
|
| -
|
| -
|
| -TEST(Regress3631) {
|
| - i::FLAG_expose_gc = true;
|
| - CcTest::InitializeVM();
|
| - v8::HandleScope scope(CcTest::isolate());
|
| - Isolate* isolate = CcTest::i_isolate();
|
| - Heap* heap = isolate->heap();
|
| - IncrementalMarking* marking = CcTest::heap()->incremental_marking();
|
| - v8::Local<v8::Value> result = CompileRun(
|
| - "var weak_map = new WeakMap();"
|
| - "var future_keys = [];"
|
| - "for (var i = 0; i < 50; i++) {"
|
| - " var key = {'k' : i + 0.1};"
|
| - " weak_map.set(key, 1);"
|
| - " future_keys.push({'x' : i + 0.2});"
|
| - "}"
|
| - "weak_map");
|
| - if (marking->IsStopped()) {
|
| - CcTest::heap()->StartIncrementalMarking();
|
| - }
|
| - // Incrementally mark the backing store.
|
| - Handle<JSReceiver> obj =
|
| - v8::Utils::OpenHandle(*v8::Local<v8::Object>::Cast(result));
|
| - Handle<JSWeakCollection> weak_map(reinterpret_cast<JSWeakCollection*>(*obj));
|
| - while (!Marking::IsBlack(
|
| - Marking::MarkBitFrom(HeapObject::cast(weak_map->table()))) &&
|
| - !marking->IsStopped()) {
|
| - marking->Step(MB, IncrementalMarking::NO_GC_VIA_STACK_GUARD);
|
| - }
|
| - // Stash the backing store in a handle.
|
| - Handle<Object> save(weak_map->table(), isolate);
|
| - // The following line will update the backing store.
|
| - CompileRun(
|
| - "for (var i = 0; i < 50; i++) {"
|
| - " weak_map.set(future_keys[i], i);"
|
| - "}");
|
| - heap->incremental_marking()->set_should_hurry(true);
|
| - heap->CollectGarbage(OLD_SPACE);
|
| -}
|
| -
|
| -
|
| -TEST(Regress442710) {
|
| - CcTest::InitializeVM();
|
| - Isolate* isolate = CcTest::i_isolate();
|
| - Heap* heap = isolate->heap();
|
| - Factory* factory = isolate->factory();
|
| -
|
| - HandleScope sc(isolate);
|
| - Handle<JSGlobalObject> global(
|
| - CcTest::i_isolate()->context()->global_object());
|
| - Handle<JSArray> array = factory->NewJSArray(2);
|
| -
|
| - Handle<String> name = factory->InternalizeUtf8String("testArray");
|
| - JSReceiver::SetProperty(global, name, array, SLOPPY).Check();
|
| - CompileRun("testArray[0] = 1; testArray[1] = 2; testArray.shift();");
|
| - heap->CollectGarbage(OLD_SPACE);
|
| -}
|
| -
|
| -
|
| -HEAP_TEST(NumberStringCacheSize) {
|
| - // Test that the number-string cache has not been resized in the snapshot.
|
| - CcTest::InitializeVM();
|
| - Isolate* isolate = CcTest::i_isolate();
|
| - if (!isolate->snapshot_available()) return;
|
| - Heap* heap = isolate->heap();
|
| - CHECK_EQ(Heap::kInitialNumberStringCacheSize * 2,
|
| - heap->number_string_cache()->length());
|
| -}
|
| -
|
| -
|
| -TEST(Regress3877) {
|
| - CcTest::InitializeVM();
|
| - Isolate* isolate = CcTest::i_isolate();
|
| - Heap* heap = isolate->heap();
|
| - Factory* factory = isolate->factory();
|
| - HandleScope scope(isolate);
|
| - CompileRun("function cls() { this.x = 10; }");
|
| - Handle<WeakCell> weak_prototype;
|
| - {
|
| - HandleScope inner_scope(isolate);
|
| - v8::Local<v8::Value> result = CompileRun("cls.prototype");
|
| - Handle<JSReceiver> proto =
|
| - v8::Utils::OpenHandle(*v8::Local<v8::Object>::Cast(result));
|
| - weak_prototype = inner_scope.CloseAndEscape(factory->NewWeakCell(proto));
|
| - }
|
| - CHECK(!weak_prototype->cleared());
|
| - CompileRun(
|
| - "var a = { };"
|
| - "a.x = new cls();"
|
| - "cls.prototype = null;");
|
| - for (int i = 0; i < 4; i++) {
|
| - heap->CollectAllGarbage();
|
| - }
|
| - // The map of a.x keeps prototype alive
|
| - CHECK(!weak_prototype->cleared());
|
| - // Change the map of a.x and make the previous map garbage collectable.
|
| - CompileRun("a.x.__proto__ = {};");
|
| - for (int i = 0; i < 4; i++) {
|
| - heap->CollectAllGarbage();
|
| - }
|
| - CHECK(weak_prototype->cleared());
|
| -}
|
| -
|
| -
|
| -Handle<WeakCell> AddRetainedMap(Isolate* isolate, Heap* heap) {
|
| - HandleScope inner_scope(isolate);
|
| - Handle<Map> map = Map::Create(isolate, 1);
|
| - v8::Local<v8::Value> result =
|
| - CompileRun("(function () { return {x : 10}; })();");
|
| - Handle<JSReceiver> proto =
|
| - v8::Utils::OpenHandle(*v8::Local<v8::Object>::Cast(result));
|
| - Map::SetPrototype(map, proto);
|
| - heap->AddRetainedMap(map);
|
| - return inner_scope.CloseAndEscape(Map::WeakCellForMap(map));
|
| -}
|
| -
|
| -
|
| -void CheckMapRetainingFor(int n) {
|
| - FLAG_retain_maps_for_n_gc = n;
|
| - Isolate* isolate = CcTest::i_isolate();
|
| - Heap* heap = isolate->heap();
|
| - Handle<WeakCell> weak_cell = AddRetainedMap(isolate, heap);
|
| - CHECK(!weak_cell->cleared());
|
| - for (int i = 0; i < n; i++) {
|
| - heap->CollectGarbage(OLD_SPACE);
|
| - }
|
| - CHECK(!weak_cell->cleared());
|
| - heap->CollectGarbage(OLD_SPACE);
|
| - CHECK(weak_cell->cleared());
|
| -}
|
| -
|
| -
|
| -TEST(MapRetaining) {
|
| - CcTest::InitializeVM();
|
| - v8::HandleScope scope(CcTest::isolate());
|
| - CheckMapRetainingFor(FLAG_retain_maps_for_n_gc);
|
| - CheckMapRetainingFor(0);
|
| - CheckMapRetainingFor(1);
|
| - CheckMapRetainingFor(7);
|
| -}
|
| -
|
| -
|
| -TEST(RegressArrayListGC) {
|
| - FLAG_retain_maps_for_n_gc = 1;
|
| - FLAG_incremental_marking = 0;
|
| - FLAG_gc_global = true;
|
| - CcTest::InitializeVM();
|
| - v8::HandleScope scope(CcTest::isolate());
|
| - Isolate* isolate = CcTest::i_isolate();
|
| - Heap* heap = isolate->heap();
|
| - AddRetainedMap(isolate, heap);
|
| - Handle<Map> map = Map::Create(isolate, 1);
|
| - heap->CollectGarbage(OLD_SPACE);
|
| - // Force GC in old space on next addition of retained map.
|
| - Map::WeakCellForMap(map);
|
| - SimulateFullSpace(CcTest::heap()->new_space());
|
| - for (int i = 0; i < 10; i++) {
|
| - heap->AddRetainedMap(map);
|
| - }
|
| - heap->CollectGarbage(OLD_SPACE);
|
| -}
|
| -
|
| -
|
| -#ifdef DEBUG
|
| -TEST(PathTracer) {
|
| - CcTest::InitializeVM();
|
| - v8::HandleScope scope(CcTest::isolate());
|
| -
|
| - v8::Local<v8::Value> result = CompileRun("'abc'");
|
| - Handle<Object> o = v8::Utils::OpenHandle(*result);
|
| - CcTest::i_isolate()->heap()->TracePathToObject(*o);
|
| -}
|
| -#endif // DEBUG
|
| -
|
| -
|
| -TEST(WritableVsImmortalRoots) {
|
| - for (int i = 0; i < Heap::kStrongRootListLength; ++i) {
|
| - Heap::RootListIndex root_index = static_cast<Heap::RootListIndex>(i);
|
| - bool writable = Heap::RootCanBeWrittenAfterInitialization(root_index);
|
| - bool immortal = Heap::RootIsImmortalImmovable(root_index);
|
| - // A root value can be writable, immortal, or neither, but not both.
|
| - CHECK(!immortal || !writable);
|
| - }
|
| -}
|
| -
|
| -
|
| -static void TestRightTrimFixedTypedArray(i::ExternalArrayType type,
|
| - int initial_length,
|
| - int elements_to_trim) {
|
| - v8::HandleScope scope(CcTest::isolate());
|
| - Isolate* isolate = CcTest::i_isolate();
|
| - Factory* factory = isolate->factory();
|
| - Heap* heap = isolate->heap();
|
| -
|
| - Handle<FixedTypedArrayBase> array =
|
| - factory->NewFixedTypedArray(initial_length, type, true);
|
| - int old_size = array->size();
|
| - heap->RightTrimFixedArray<Heap::CONCURRENT_TO_SWEEPER>(*array,
|
| - elements_to_trim);
|
| -
|
| - // Check that free space filler is at the right place and did not smash the
|
| - // array header.
|
| - CHECK(array->IsFixedArrayBase());
|
| - CHECK_EQ(initial_length - elements_to_trim, array->length());
|
| - int new_size = array->size();
|
| - if (new_size != old_size) {
|
| - // Free space filler should be created in this case.
|
| - Address next_obj_address = array->address() + array->size();
|
| - CHECK(HeapObject::FromAddress(next_obj_address)->IsFiller());
|
| - }
|
| - heap->CollectAllAvailableGarbage();
|
| -}
|
| -
|
| -
|
| -TEST(Regress472513) {
|
| - CcTest::InitializeVM();
|
| - v8::HandleScope scope(CcTest::isolate());
|
| -
|
| - // The combination of type/initial_length/elements_to_trim triggered
|
| - // typed array header smashing with free space filler (crbug/472513).
|
| -
|
| - // 64-bit cases.
|
| - TestRightTrimFixedTypedArray(i::kExternalUint8Array, 32, 6);
|
| - TestRightTrimFixedTypedArray(i::kExternalUint8Array, 32 - 7, 6);
|
| - TestRightTrimFixedTypedArray(i::kExternalUint16Array, 16, 6);
|
| - TestRightTrimFixedTypedArray(i::kExternalUint16Array, 16 - 3, 6);
|
| - TestRightTrimFixedTypedArray(i::kExternalUint32Array, 8, 6);
|
| - TestRightTrimFixedTypedArray(i::kExternalUint32Array, 8 - 1, 6);
|
| -
|
| - // 32-bit cases.
|
| - TestRightTrimFixedTypedArray(i::kExternalUint8Array, 16, 3);
|
| - TestRightTrimFixedTypedArray(i::kExternalUint8Array, 16 - 3, 3);
|
| - TestRightTrimFixedTypedArray(i::kExternalUint16Array, 8, 3);
|
| - TestRightTrimFixedTypedArray(i::kExternalUint16Array, 8 - 1, 3);
|
| - TestRightTrimFixedTypedArray(i::kExternalUint32Array, 4, 3);
|
| -}
|
| -
|
| -
|
| -TEST(WeakFixedArray) {
|
| - CcTest::InitializeVM();
|
| - v8::HandleScope scope(CcTest::isolate());
|
| -
|
| - Handle<HeapNumber> number = CcTest::i_isolate()->factory()->NewHeapNumber(1);
|
| - Handle<WeakFixedArray> array = WeakFixedArray::Add(Handle<Object>(), number);
|
| - array->Remove(number);
|
| - array->Compact<WeakFixedArray::NullCallback>();
|
| - WeakFixedArray::Add(array, number);
|
| -}
|
| -
|
| -
|
| -TEST(PreprocessStackTrace) {
|
| - // Do not automatically trigger early GC.
|
| - FLAG_gc_interval = -1;
|
| - CcTest::InitializeVM();
|
| - v8::HandleScope scope(CcTest::isolate());
|
| - v8::TryCatch try_catch(CcTest::isolate());
|
| - CompileRun("throw new Error();");
|
| - CHECK(try_catch.HasCaught());
|
| - Isolate* isolate = CcTest::i_isolate();
|
| - Handle<Object> exception = v8::Utils::OpenHandle(*try_catch.Exception());
|
| - Handle<Name> key = isolate->factory()->stack_trace_symbol();
|
| - Handle<Object> stack_trace =
|
| - JSObject::GetProperty(exception, key).ToHandleChecked();
|
| - Handle<Object> code =
|
| - Object::GetElement(isolate, stack_trace, 3).ToHandleChecked();
|
| - CHECK(code->IsCode());
|
| -
|
| - isolate->heap()->CollectAllAvailableGarbage("stack trace preprocessing");
|
| -
|
| - Handle<Object> pos =
|
| - Object::GetElement(isolate, stack_trace, 3).ToHandleChecked();
|
| - CHECK(pos->IsSmi());
|
| -
|
| - Handle<JSArray> stack_trace_array = Handle<JSArray>::cast(stack_trace);
|
| - int array_length = Smi::cast(stack_trace_array->length())->value();
|
| - for (int i = 0; i < array_length; i++) {
|
| - Handle<Object> element =
|
| - Object::GetElement(isolate, stack_trace, i).ToHandleChecked();
|
| - CHECK(!element->IsCode());
|
| - }
|
| -}
|
| -
|
| -
|
| -static bool utils_has_been_collected = false;
|
| -
|
| -static void UtilsHasBeenCollected(
|
| - const v8::WeakCallbackInfo<v8::Persistent<v8::Object>>& data) {
|
| - utils_has_been_collected = true;
|
| - data.GetParameter()->Reset();
|
| -}
|
| -
|
| -
|
| -TEST(BootstrappingExports) {
|
| - // Expose utils object and delete it to observe that it is indeed
|
| - // being garbage-collected.
|
| - FLAG_expose_natives_as = "utils";
|
| - CcTest::InitializeVM();
|
| - v8::Isolate* isolate = CcTest::isolate();
|
| - LocalContext env;
|
| -
|
| - if (Snapshot::HaveASnapshotToStartFrom(CcTest::i_isolate())) return;
|
| -
|
| - utils_has_been_collected = false;
|
| -
|
| - v8::Persistent<v8::Object> utils;
|
| -
|
| - {
|
| - v8::HandleScope scope(isolate);
|
| - v8::Local<v8::String> name = v8_str("utils");
|
| - utils.Reset(isolate, CcTest::global()
|
| - ->Get(env.local(), name)
|
| - .ToLocalChecked()
|
| - ->ToObject(env.local())
|
| - .ToLocalChecked());
|
| - CHECK(CcTest::global()->Delete(env.local(), name).FromJust());
|
| - }
|
| -
|
| - utils.SetWeak(&utils, UtilsHasBeenCollected,
|
| - v8::WeakCallbackType::kParameter);
|
| -
|
| - CcTest::heap()->CollectAllAvailableGarbage("fire weak callbacks");
|
| -
|
| - CHECK(utils_has_been_collected);
|
| -}
|
| -
|
| -
|
| -TEST(Regress1878) {
|
| - FLAG_allow_natives_syntax = true;
|
| - CcTest::InitializeVM();
|
| - v8::Isolate* isolate = CcTest::isolate();
|
| - v8::HandleScope scope(isolate);
|
| - v8::Local<v8::Function> constructor = v8::Utils::CallableToLocal(
|
| - CcTest::i_isolate()->internal_array_function());
|
| - LocalContext env;
|
| - CHECK(CcTest::global()
|
| - ->Set(env.local(), v8_str("InternalArray"), constructor)
|
| - .FromJust());
|
| -
|
| - v8::TryCatch try_catch(isolate);
|
| -
|
| - CompileRun(
|
| - "var a = Array();"
|
| - "for (var i = 0; i < 1000; i++) {"
|
| - " var ai = new InternalArray(10000);"
|
| - " if (%HaveSameMap(ai, a)) throw Error();"
|
| - " if (!%HasFastObjectElements(ai)) throw Error();"
|
| - "}"
|
| - "for (var i = 0; i < 1000; i++) {"
|
| - " var ai = new InternalArray(10000);"
|
| - " if (%HaveSameMap(ai, a)) throw Error();"
|
| - " if (!%HasFastObjectElements(ai)) throw Error();"
|
| - "}");
|
| -
|
| - CHECK(!try_catch.HasCaught());
|
| -}
|
| -
|
| -
|
| -void AllocateInSpace(Isolate* isolate, size_t bytes, AllocationSpace space) {
|
| - CHECK(bytes >= FixedArray::kHeaderSize);
|
| - CHECK(bytes % kPointerSize == 0);
|
| - Factory* factory = isolate->factory();
|
| - HandleScope scope(isolate);
|
| - AlwaysAllocateScope always_allocate(isolate);
|
| - int elements =
|
| - static_cast<int>((bytes - FixedArray::kHeaderSize) / kPointerSize);
|
| - Handle<FixedArray> array = factory->NewFixedArray(
|
| - elements, space == NEW_SPACE ? NOT_TENURED : TENURED);
|
| - CHECK((space == NEW_SPACE) == isolate->heap()->InNewSpace(*array));
|
| - CHECK_EQ(bytes, static_cast<size_t>(array->Size()));
|
| -}
|
| -
|
| -
|
| -TEST(NewSpaceAllocationCounter) {
|
| - CcTest::InitializeVM();
|
| - v8::HandleScope scope(CcTest::isolate());
|
| - Isolate* isolate = CcTest::i_isolate();
|
| - Heap* heap = isolate->heap();
|
| - size_t counter1 = heap->NewSpaceAllocationCounter();
|
| - heap->CollectGarbage(NEW_SPACE);
|
| - const size_t kSize = 1024;
|
| - AllocateInSpace(isolate, kSize, NEW_SPACE);
|
| - size_t counter2 = heap->NewSpaceAllocationCounter();
|
| - CHECK_EQ(kSize, counter2 - counter1);
|
| - heap->CollectGarbage(NEW_SPACE);
|
| - size_t counter3 = heap->NewSpaceAllocationCounter();
|
| - CHECK_EQ(0U, counter3 - counter2);
|
| - // Test counter overflow.
|
| - size_t max_counter = -1;
|
| - heap->set_new_space_allocation_counter(max_counter - 10 * kSize);
|
| - size_t start = heap->NewSpaceAllocationCounter();
|
| - for (int i = 0; i < 20; i++) {
|
| - AllocateInSpace(isolate, kSize, NEW_SPACE);
|
| - size_t counter = heap->NewSpaceAllocationCounter();
|
| - CHECK_EQ(kSize, counter - start);
|
| - start = counter;
|
| - }
|
| -}
|
| -
|
| -
|
| -TEST(OldSpaceAllocationCounter) {
|
| - CcTest::InitializeVM();
|
| - v8::HandleScope scope(CcTest::isolate());
|
| - Isolate* isolate = CcTest::i_isolate();
|
| - Heap* heap = isolate->heap();
|
| - size_t counter1 = heap->OldGenerationAllocationCounter();
|
| - heap->CollectGarbage(NEW_SPACE);
|
| - heap->CollectGarbage(NEW_SPACE);
|
| - const size_t kSize = 1024;
|
| - AllocateInSpace(isolate, kSize, OLD_SPACE);
|
| - size_t counter2 = heap->OldGenerationAllocationCounter();
|
| - // TODO(ulan): replace all CHECK_LE with CHECK_EQ after v8:4148 is fixed.
|
| - CHECK_LE(kSize, counter2 - counter1);
|
| - heap->CollectGarbage(NEW_SPACE);
|
| - size_t counter3 = heap->OldGenerationAllocationCounter();
|
| - CHECK_EQ(0u, counter3 - counter2);
|
| - AllocateInSpace(isolate, kSize, OLD_SPACE);
|
| - heap->CollectGarbage(OLD_SPACE);
|
| - size_t counter4 = heap->OldGenerationAllocationCounter();
|
| - CHECK_LE(kSize, counter4 - counter3);
|
| - // Test counter overflow.
|
| - size_t max_counter = -1;
|
| - heap->set_old_generation_allocation_counter(max_counter - 10 * kSize);
|
| - size_t start = heap->OldGenerationAllocationCounter();
|
| - for (int i = 0; i < 20; i++) {
|
| - AllocateInSpace(isolate, kSize, OLD_SPACE);
|
| - size_t counter = heap->OldGenerationAllocationCounter();
|
| - CHECK_LE(kSize, counter - start);
|
| - start = counter;
|
| - }
|
| -}
|
| -
|
| -
|
| -TEST(NewSpaceAllocationThroughput) {
|
| - CcTest::InitializeVM();
|
| - v8::HandleScope scope(CcTest::isolate());
|
| - Isolate* isolate = CcTest::i_isolate();
|
| - Heap* heap = isolate->heap();
|
| - GCTracer* tracer = heap->tracer();
|
| - int time1 = 100;
|
| - size_t counter1 = 1000;
|
| - tracer->SampleAllocation(time1, counter1, 0);
|
| - int time2 = 200;
|
| - size_t counter2 = 2000;
|
| - tracer->SampleAllocation(time2, counter2, 0);
|
| - size_t throughput =
|
| - tracer->NewSpaceAllocationThroughputInBytesPerMillisecond();
|
| - CHECK_EQ((counter2 - counter1) / (time2 - time1), throughput);
|
| - int time3 = 1000;
|
| - size_t counter3 = 30000;
|
| - tracer->SampleAllocation(time3, counter3, 0);
|
| - throughput = tracer->NewSpaceAllocationThroughputInBytesPerMillisecond();
|
| - CHECK_EQ((counter3 - counter1) / (time3 - time1), throughput);
|
| -}
|
| -
|
| -
|
| -TEST(NewSpaceAllocationThroughput2) {
|
| - CcTest::InitializeVM();
|
| - v8::HandleScope scope(CcTest::isolate());
|
| - Isolate* isolate = CcTest::i_isolate();
|
| - Heap* heap = isolate->heap();
|
| - GCTracer* tracer = heap->tracer();
|
| - int time1 = 100;
|
| - size_t counter1 = 1000;
|
| - tracer->SampleAllocation(time1, counter1, 0);
|
| - int time2 = 200;
|
| - size_t counter2 = 2000;
|
| - tracer->SampleAllocation(time2, counter2, 0);
|
| - size_t throughput =
|
| - tracer->NewSpaceAllocationThroughputInBytesPerMillisecond(100);
|
| - CHECK_EQ((counter2 - counter1) / (time2 - time1), throughput);
|
| - int time3 = 1000;
|
| - size_t counter3 = 30000;
|
| - tracer->SampleAllocation(time3, counter3, 0);
|
| - throughput = tracer->NewSpaceAllocationThroughputInBytesPerMillisecond(100);
|
| - CHECK_EQ((counter3 - counter1) / (time3 - time1), throughput);
|
| -}
|
| -
|
| -
|
| -static void CheckLeak(const v8::FunctionCallbackInfo<v8::Value>& args) {
|
| - Isolate* isolate = CcTest::i_isolate();
|
| - Object* message =
|
| - *reinterpret_cast<Object**>(isolate->pending_message_obj_address());
|
| - CHECK(message->IsTheHole());
|
| -}
|
| -
|
| -
|
| -TEST(MessageObjectLeak) {
|
| - CcTest::InitializeVM();
|
| - v8::Isolate* isolate = CcTest::isolate();
|
| - v8::HandleScope scope(isolate);
|
| - v8::Local<v8::ObjectTemplate> global = v8::ObjectTemplate::New(isolate);
|
| - global->Set(
|
| - v8::String::NewFromUtf8(isolate, "check", v8::NewStringType::kNormal)
|
| - .ToLocalChecked(),
|
| - v8::FunctionTemplate::New(isolate, CheckLeak));
|
| - v8::Local<v8::Context> context = v8::Context::New(isolate, NULL, global);
|
| - v8::Context::Scope cscope(context);
|
| -
|
| - const char* test =
|
| - "try {"
|
| - " throw 'message 1';"
|
| - "} catch (e) {"
|
| - "}"
|
| - "check();"
|
| - "L: try {"
|
| - " throw 'message 2';"
|
| - "} finally {"
|
| - " break L;"
|
| - "}"
|
| - "check();";
|
| - CompileRun(test);
|
| -
|
| - const char* flag = "--turbo-filter=*";
|
| - FlagList::SetFlagsFromString(flag, StrLength(flag));
|
| - FLAG_always_opt = true;
|
| - FLAG_turbo_try_finally = true;
|
| -
|
| - CompileRun(test);
|
| -}
|
| -
|
| -
|
| -static void CheckEqualSharedFunctionInfos(
|
| - const v8::FunctionCallbackInfo<v8::Value>& args) {
|
| - Handle<Object> obj1 = v8::Utils::OpenHandle(*args[0]);
|
| - Handle<Object> obj2 = v8::Utils::OpenHandle(*args[1]);
|
| - Handle<JSFunction> fun1 = Handle<JSFunction>::cast(obj1);
|
| - Handle<JSFunction> fun2 = Handle<JSFunction>::cast(obj2);
|
| - CHECK(fun1->shared() == fun2->shared());
|
| -}
|
| -
|
| -
|
| -static void RemoveCodeAndGC(const v8::FunctionCallbackInfo<v8::Value>& args) {
|
| - Isolate* isolate = CcTest::i_isolate();
|
| - Handle<Object> obj = v8::Utils::OpenHandle(*args[0]);
|
| - Handle<JSFunction> fun = Handle<JSFunction>::cast(obj);
|
| - fun->ReplaceCode(*isolate->builtins()->CompileLazy());
|
| - fun->shared()->ReplaceCode(*isolate->builtins()->CompileLazy());
|
| - isolate->heap()->CollectAllAvailableGarbage("remove code and gc");
|
| -}
|
| -
|
| -
|
| -TEST(CanonicalSharedFunctionInfo) {
|
| - CcTest::InitializeVM();
|
| - v8::Isolate* isolate = CcTest::isolate();
|
| - v8::HandleScope scope(isolate);
|
| - v8::Local<v8::ObjectTemplate> global = v8::ObjectTemplate::New(isolate);
|
| - global->Set(isolate, "check", v8::FunctionTemplate::New(
|
| - isolate, CheckEqualSharedFunctionInfos));
|
| - global->Set(isolate, "remove",
|
| - v8::FunctionTemplate::New(isolate, RemoveCodeAndGC));
|
| - v8::Local<v8::Context> context = v8::Context::New(isolate, NULL, global);
|
| - v8::Context::Scope cscope(context);
|
| - CompileRun(
|
| - "function f() { return function g() {}; }"
|
| - "var g1 = f();"
|
| - "remove(f);"
|
| - "var g2 = f();"
|
| - "check(g1, g2);");
|
| -
|
| - CompileRun(
|
| - "function f() { return (function() { return function g() {}; })(); }"
|
| - "var g1 = f();"
|
| - "remove(f);"
|
| - "var g2 = f();"
|
| - "check(g1, g2);");
|
| -}
|
| -
|
| -
|
| -TEST(OldGenerationAllocationThroughput) {
|
| - CcTest::InitializeVM();
|
| - v8::HandleScope scope(CcTest::isolate());
|
| - Isolate* isolate = CcTest::i_isolate();
|
| - Heap* heap = isolate->heap();
|
| - GCTracer* tracer = heap->tracer();
|
| - int time1 = 100;
|
| - size_t counter1 = 1000;
|
| - tracer->SampleAllocation(time1, 0, counter1);
|
| - int time2 = 200;
|
| - size_t counter2 = 2000;
|
| - tracer->SampleAllocation(time2, 0, counter2);
|
| - size_t throughput =
|
| - tracer->OldGenerationAllocationThroughputInBytesPerMillisecond(100);
|
| - CHECK_EQ((counter2 - counter1) / (time2 - time1), throughput);
|
| - int time3 = 1000;
|
| - size_t counter3 = 30000;
|
| - tracer->SampleAllocation(time3, 0, counter3);
|
| - throughput =
|
| - tracer->OldGenerationAllocationThroughputInBytesPerMillisecond(100);
|
| - CHECK_EQ((counter3 - counter1) / (time3 - time1), throughput);
|
| -}
|
| -
|
| -
|
| -TEST(AllocationThroughput) {
|
| - CcTest::InitializeVM();
|
| - v8::HandleScope scope(CcTest::isolate());
|
| - Isolate* isolate = CcTest::i_isolate();
|
| - Heap* heap = isolate->heap();
|
| - GCTracer* tracer = heap->tracer();
|
| - int time1 = 100;
|
| - size_t counter1 = 1000;
|
| - tracer->SampleAllocation(time1, counter1, counter1);
|
| - int time2 = 200;
|
| - size_t counter2 = 2000;
|
| - tracer->SampleAllocation(time2, counter2, counter2);
|
| - size_t throughput = tracer->AllocationThroughputInBytesPerMillisecond(100);
|
| - CHECK_EQ(2 * (counter2 - counter1) / (time2 - time1), throughput);
|
| - int time3 = 1000;
|
| - size_t counter3 = 30000;
|
| - tracer->SampleAllocation(time3, counter3, counter3);
|
| - throughput = tracer->AllocationThroughputInBytesPerMillisecond(100);
|
| - CHECK_EQ(2 * (counter3 - counter1) / (time3 - time1), throughput);
|
| -}
|
| -
|
| -
|
| -TEST(ContextMeasure) {
|
| - CcTest::InitializeVM();
|
| - v8::HandleScope scope(CcTest::isolate());
|
| - Isolate* isolate = CcTest::i_isolate();
|
| - LocalContext context;
|
| -
|
| - int size_upper_limit = 0;
|
| - int count_upper_limit = 0;
|
| - HeapIterator it(CcTest::heap());
|
| - for (HeapObject* obj = it.next(); obj != NULL; obj = it.next()) {
|
| - size_upper_limit += obj->Size();
|
| - count_upper_limit++;
|
| - }
|
| -
|
| - ContextMeasure measure(*isolate->native_context());
|
| -
|
| - PrintF("Context size : %d bytes\n", measure.Size());
|
| - PrintF("Context object count: %d\n", measure.Count());
|
| -
|
| - CHECK_LE(1000, measure.Count());
|
| - CHECK_LE(50000, measure.Size());
|
| -
|
| - CHECK_LE(measure.Count(), count_upper_limit);
|
| - CHECK_LE(measure.Size(), size_upper_limit);
|
| -}
|
| -
|
| -
|
| -TEST(ScriptIterator) {
|
| - CcTest::InitializeVM();
|
| - v8::HandleScope scope(CcTest::isolate());
|
| - Isolate* isolate = CcTest::i_isolate();
|
| - Heap* heap = CcTest::heap();
|
| - LocalContext context;
|
| -
|
| - heap->CollectAllGarbage();
|
| -
|
| - int script_count = 0;
|
| - {
|
| - HeapIterator it(heap);
|
| - for (HeapObject* obj = it.next(); obj != NULL; obj = it.next()) {
|
| - if (obj->IsScript()) script_count++;
|
| - }
|
| - }
|
| -
|
| - {
|
| - Script::Iterator iterator(isolate);
|
| - while (iterator.Next()) script_count--;
|
| - }
|
| -
|
| - CHECK_EQ(0, script_count);
|
| -}
|
| -
|
| -
|
| -TEST(SharedFunctionInfoIterator) {
|
| - CcTest::InitializeVM();
|
| - v8::HandleScope scope(CcTest::isolate());
|
| - Isolate* isolate = CcTest::i_isolate();
|
| - Heap* heap = CcTest::heap();
|
| - LocalContext context;
|
| -
|
| - heap->CollectAllGarbage();
|
| - heap->CollectAllGarbage();
|
| -
|
| - int sfi_count = 0;
|
| - {
|
| - HeapIterator it(heap);
|
| - for (HeapObject* obj = it.next(); obj != NULL; obj = it.next()) {
|
| - if (!obj->IsSharedFunctionInfo()) continue;
|
| - sfi_count++;
|
| - }
|
| - }
|
| -
|
| - {
|
| - SharedFunctionInfo::Iterator iterator(isolate);
|
| - while (iterator.Next()) sfi_count--;
|
| - }
|
| -
|
| - CHECK_EQ(0, sfi_count);
|
| -}
|
| -
|
| -
|
| -template <typename T>
|
| -static UniqueId MakeUniqueId(const Persistent<T>& p) {
|
| - return UniqueId(reinterpret_cast<uintptr_t>(*v8::Utils::OpenPersistent(p)));
|
| -}
|
| -
|
| -
|
| -TEST(Regress519319) {
|
| - CcTest::InitializeVM();
|
| - v8::Isolate* isolate = CcTest::isolate();
|
| - v8::HandleScope scope(isolate);
|
| - Heap* heap = CcTest::heap();
|
| - LocalContext context;
|
| -
|
| - v8::Persistent<Value> parent;
|
| - v8::Persistent<Value> child;
|
| -
|
| - parent.Reset(isolate, v8::Object::New(isolate));
|
| - child.Reset(isolate, v8::Object::New(isolate));
|
| -
|
| - SimulateFullSpace(heap->old_space());
|
| - heap->CollectGarbage(OLD_SPACE);
|
| - {
|
| - UniqueId id = MakeUniqueId(parent);
|
| - isolate->SetObjectGroupId(parent, id);
|
| - isolate->SetReferenceFromGroup(id, child);
|
| - }
|
| - // The CollectGarbage call above starts sweeper threads.
|
| - // The crash will happen if the following two functions
|
| - // are called before sweeping finishes.
|
| - heap->StartIncrementalMarking();
|
| - heap->FinalizeIncrementalMarkingIfComplete("test");
|
| -}
|
| -
|
| -
|
| -HEAP_TEST(TestMemoryReducerSampleJsCalls) {
|
| - CcTest::InitializeVM();
|
| - v8::HandleScope scope(CcTest::isolate());
|
| - Heap* heap = CcTest::heap();
|
| - Isolate* isolate = CcTest::i_isolate();
|
| - MemoryReducer* memory_reducer = heap->memory_reducer_;
|
| - memory_reducer->SampleAndGetJsCallsPerMs(0);
|
| - isolate->IncrementJsCallsFromApiCounter();
|
| - isolate->IncrementJsCallsFromApiCounter();
|
| - isolate->IncrementJsCallsFromApiCounter();
|
| - double calls_per_ms = memory_reducer->SampleAndGetJsCallsPerMs(1);
|
| - CheckDoubleEquals(3, calls_per_ms);
|
| -
|
| - calls_per_ms = memory_reducer->SampleAndGetJsCallsPerMs(2);
|
| - CheckDoubleEquals(0, calls_per_ms);
|
| -
|
| - isolate->IncrementJsCallsFromApiCounter();
|
| - isolate->IncrementJsCallsFromApiCounter();
|
| - isolate->IncrementJsCallsFromApiCounter();
|
| - isolate->IncrementJsCallsFromApiCounter();
|
| - calls_per_ms = memory_reducer->SampleAndGetJsCallsPerMs(4);
|
| - CheckDoubleEquals(2, calls_per_ms);
|
| -}
|
| -
|
| -
|
| -} // namespace internal
|
| -} // namespace v8
|
|
|