2013-10-14 13:35:06 +00:00
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// Copyright 2013 the V8 project authors. All rights reserved.
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2015-04-02 14:45:44 +00:00
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// Redistribution and use in source and binary forms, with or without
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// modification, are permitted provided that the following conditions are
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// met:
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//
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// * Redistributions of source code must retain the above copyright
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// notice, this list of conditions and the following disclaimer.
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// * Redistributions in binary form must reproduce the above
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// copyright notice, this list of conditions and the following
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// disclaimer in the documentation and/or other materials provided
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// with the distribution.
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// * Neither the name of Google Inc. nor the names of its
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// contributors may be used to endorse or promote products derived
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// from this software without specific prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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2013-10-14 13:35:06 +00:00
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// Test constant pool array code.
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2014-06-03 08:12:43 +00:00
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#include "src/v8.h"
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2013-10-14 13:35:06 +00:00
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2014-06-03 08:12:43 +00:00
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#include "src/factory.h"
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#include "src/objects.h"
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#include "test/cctest/cctest.h"
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2013-10-14 13:35:06 +00:00
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using namespace v8::internal;
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2014-06-03 16:22:10 +00:00
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static ConstantPoolArray::Type kTypes[] = { ConstantPoolArray::INT64,
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ConstantPoolArray::CODE_PTR,
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ConstantPoolArray::HEAP_PTR,
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ConstantPoolArray::INT32 };
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static ConstantPoolArray::LayoutSection kSmall =
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ConstantPoolArray::SMALL_SECTION;
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static ConstantPoolArray::LayoutSection kExtended =
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ConstantPoolArray::EXTENDED_SECTION;
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2013-10-14 13:35:06 +00:00
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2014-03-10 19:05:43 +00:00
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Code* DummyCode(LocalContext* context) {
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CompileRun("function foo() {};");
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i::Handle<i::JSFunction> fun = v8::Utils::OpenHandle(
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*v8::Local<v8::Function>::Cast(
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(*context)->Global()->Get(v8_str("foo"))));
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return fun->code();
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}
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2014-06-03 16:22:10 +00:00
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TEST(ConstantPoolSmall) {
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2013-10-14 13:35:06 +00:00
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LocalContext context;
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Isolate* isolate = CcTest::i_isolate();
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Factory* factory = isolate->factory();
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v8::HandleScope scope(context->GetIsolate());
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// Check construction.
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2014-06-03 16:22:10 +00:00
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ConstantPoolArray::NumberOfEntries small(3, 1, 2, 1);
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Handle<ConstantPoolArray> array = factory->NewConstantPoolArray(small);
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int expected_counts[] = { 3, 1, 2, 1 };
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int expected_first_idx[] = { 0, 3, 4, 6 };
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int expected_last_idx[] = { 2, 3, 5, 6 };
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for (int i = 0; i < 4; i++) {
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CHECK_EQ(expected_counts[i], array->number_of_entries(kTypes[i], kSmall));
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CHECK_EQ(expected_first_idx[i], array->first_index(kTypes[i], kSmall));
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CHECK_EQ(expected_last_idx[i], array->last_index(kTypes[i], kSmall));
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}
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CHECK(!array->is_extended_layout());
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2013-10-14 13:35:06 +00:00
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// Check getters and setters.
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int64_t big_number = V8_2PART_UINT64_C(0x12345678, 9ABCDEF0);
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2014-07-28 10:04:36 +00:00
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Handle<Object> object = factory->NewHeapNumber(4.0, IMMUTABLE, TENURED);
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Code* code = DummyCode(&context);
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array->set(0, big_number);
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array->set(1, 0.5);
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array->set(2, 3e-24);
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array->set(3, code->entry());
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array->set(4, code);
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array->set(5, *object);
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array->set(6, 50);
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CHECK_EQ(big_number, array->get_int64_entry(0));
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CHECK_EQ(0.5, array->get_int64_entry_as_double(1));
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CHECK_EQ(3e-24, array->get_int64_entry_as_double(2));
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CHECK_EQ(code->entry(), array->get_code_ptr_entry(3));
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CHECK_EQ(code, array->get_heap_ptr_entry(4));
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CHECK_EQ(*object, array->get_heap_ptr_entry(5));
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CHECK_EQ(50, array->get_int32_entry(6));
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2013-10-14 13:35:06 +00:00
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}
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2014-06-03 16:22:10 +00:00
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TEST(ConstantPoolExtended) {
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LocalContext context;
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Isolate* isolate = CcTest::i_isolate();
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Factory* factory = isolate->factory();
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v8::HandleScope scope(context->GetIsolate());
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// Check construction.
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ConstantPoolArray::NumberOfEntries small(1, 2, 3, 4);
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ConstantPoolArray::NumberOfEntries extended(5, 6, 7, 8);
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Handle<ConstantPoolArray> array =
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factory->NewExtendedConstantPoolArray(small, extended);
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// Check small section.
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int small_counts[] = { 1, 2, 3, 4 };
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int small_first_idx[] = { 0, 1, 3, 6 };
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int small_last_idx[] = { 0, 2, 5, 9 };
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for (int i = 0; i < 4; i++) {
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CHECK_EQ(small_counts[i], array->number_of_entries(kTypes[i], kSmall));
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CHECK_EQ(small_first_idx[i], array->first_index(kTypes[i], kSmall));
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CHECK_EQ(small_last_idx[i], array->last_index(kTypes[i], kSmall));
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}
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// Check extended layout.
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CHECK(array->is_extended_layout());
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int extended_counts[] = { 5, 6, 7, 8 };
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int extended_first_idx[] = { 10, 15, 21, 28 };
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int extended_last_idx[] = { 14, 20, 27, 35 };
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for (int i = 0; i < 4; i++) {
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CHECK_EQ(extended_counts[i],
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array->number_of_entries(kTypes[i], kExtended));
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CHECK_EQ(extended_first_idx[i], array->first_index(kTypes[i], kExtended));
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CHECK_EQ(extended_last_idx[i], array->last_index(kTypes[i], kExtended));
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}
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// Check small and large section's don't overlap.
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int64_t small_section_int64 = V8_2PART_UINT64_C(0x56781234, DEF09ABC);
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Code* small_section_code_ptr = DummyCode(&context);
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2014-07-28 10:04:36 +00:00
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Handle<Object> small_section_heap_ptr =
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factory->NewHeapNumber(4.0, IMMUTABLE, TENURED);
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int32_t small_section_int32 = 0xab12cd45;
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int64_t extended_section_int64 = V8_2PART_UINT64_C(0x12345678, 9ABCDEF0);
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Code* extended_section_code_ptr = DummyCode(&context);
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2014-07-28 10:04:36 +00:00
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Handle<Object> extended_section_heap_ptr =
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factory->NewHeapNumber(5.0, IMMUTABLE, TENURED);
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2014-06-03 16:22:10 +00:00
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int32_t extended_section_int32 = 0xef67ab89;
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for (int i = array->first_index(ConstantPoolArray::INT64, kSmall);
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i <= array->last_index(ConstantPoolArray::INT32, kSmall); i++) {
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if (i <= array->last_index(ConstantPoolArray::INT64, kSmall)) {
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array->set(i, small_section_int64);
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} else if (i <= array->last_index(ConstantPoolArray::CODE_PTR, kSmall)) {
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array->set(i, small_section_code_ptr->entry());
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} else if (i <= array->last_index(ConstantPoolArray::HEAP_PTR, kSmall)) {
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array->set(i, *small_section_heap_ptr);
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} else {
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CHECK(i <= array->last_index(ConstantPoolArray::INT32, kSmall));
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array->set(i, small_section_int32);
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}
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}
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for (int i = array->first_index(ConstantPoolArray::INT64, kExtended);
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i <= array->last_index(ConstantPoolArray::INT32, kExtended); i++) {
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if (i <= array->last_index(ConstantPoolArray::INT64, kExtended)) {
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array->set(i, extended_section_int64);
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} else if (i <= array->last_index(ConstantPoolArray::CODE_PTR, kExtended)) {
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array->set(i, extended_section_code_ptr->entry());
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} else if (i <= array->last_index(ConstantPoolArray::HEAP_PTR, kExtended)) {
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array->set(i, *extended_section_heap_ptr);
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} else {
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CHECK(i <= array->last_index(ConstantPoolArray::INT32, kExtended));
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array->set(i, extended_section_int32);
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}
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}
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for (int i = array->first_index(ConstantPoolArray::INT64, kSmall);
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i <= array->last_index(ConstantPoolArray::INT32, kSmall); i++) {
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if (i <= array->last_index(ConstantPoolArray::INT64, kSmall)) {
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CHECK_EQ(small_section_int64, array->get_int64_entry(i));
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} else if (i <= array->last_index(ConstantPoolArray::CODE_PTR, kSmall)) {
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CHECK_EQ(small_section_code_ptr->entry(), array->get_code_ptr_entry(i));
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} else if (i <= array->last_index(ConstantPoolArray::HEAP_PTR, kSmall)) {
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CHECK_EQ(*small_section_heap_ptr, array->get_heap_ptr_entry(i));
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} else {
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CHECK(i <= array->last_index(ConstantPoolArray::INT32, kSmall));
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CHECK_EQ(small_section_int32, array->get_int32_entry(i));
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}
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}
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for (int i = array->first_index(ConstantPoolArray::INT64, kExtended);
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i <= array->last_index(ConstantPoolArray::INT32, kExtended); i++) {
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if (i <= array->last_index(ConstantPoolArray::INT64, kExtended)) {
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CHECK_EQ(extended_section_int64, array->get_int64_entry(i));
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} else if (i <= array->last_index(ConstantPoolArray::CODE_PTR, kExtended)) {
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CHECK_EQ(extended_section_code_ptr->entry(),
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array->get_code_ptr_entry(i));
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} else if (i <= array->last_index(ConstantPoolArray::HEAP_PTR, kExtended)) {
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CHECK_EQ(*extended_section_heap_ptr, array->get_heap_ptr_entry(i));
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} else {
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CHECK(i <= array->last_index(ConstantPoolArray::INT32, kExtended));
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CHECK_EQ(extended_section_int32, array->get_int32_entry(i));
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}
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}
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}
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static void CheckIterator(Handle<ConstantPoolArray> array,
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ConstantPoolArray::Type type,
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int expected_indexes[],
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int count) {
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int i = 0;
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ConstantPoolArray::Iterator iter(*array, type);
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while (!iter.is_finished()) {
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CHECK_EQ(expected_indexes[i++], iter.next_index());
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}
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CHECK_EQ(count, i);
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}
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TEST(ConstantPoolIteratorSmall) {
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LocalContext context;
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Isolate* isolate = CcTest::i_isolate();
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Factory* factory = isolate->factory();
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v8::HandleScope scope(context->GetIsolate());
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ConstantPoolArray::NumberOfEntries small(1, 5, 2, 0);
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Handle<ConstantPoolArray> array = factory->NewConstantPoolArray(small);
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int expected_int64_indexs[] = { 0 };
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CheckIterator(array, ConstantPoolArray::INT64, expected_int64_indexs, 1);
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int expected_code_indexs[] = { 1, 2, 3, 4, 5 };
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CheckIterator(array, ConstantPoolArray::CODE_PTR, expected_code_indexs, 5);
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int expected_heap_indexs[] = { 6, 7 };
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CheckIterator(array, ConstantPoolArray::HEAP_PTR, expected_heap_indexs, 2);
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int expected_int32_indexs[1];
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CheckIterator(array, ConstantPoolArray::INT32, expected_int32_indexs, 0);
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}
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TEST(ConstantPoolIteratorExtended) {
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LocalContext context;
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Isolate* isolate = CcTest::i_isolate();
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Factory* factory = isolate->factory();
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v8::HandleScope scope(context->GetIsolate());
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ConstantPoolArray::NumberOfEntries small(1, 0, 0, 4);
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ConstantPoolArray::NumberOfEntries extended(5, 0, 3, 0);
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Handle<ConstantPoolArray> array =
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factory->NewExtendedConstantPoolArray(small, extended);
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int expected_int64_indexs[] = { 0, 5, 6, 7, 8, 9 };
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CheckIterator(array, ConstantPoolArray::INT64, expected_int64_indexs, 6);
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int expected_code_indexs[1];
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CheckIterator(array, ConstantPoolArray::CODE_PTR, expected_code_indexs, 0);
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int expected_heap_indexs[] = { 10, 11, 12 };
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CheckIterator(array, ConstantPoolArray::HEAP_PTR, expected_heap_indexs, 3);
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int expected_int32_indexs[] = { 1, 2, 3, 4 };
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CheckIterator(array, ConstantPoolArray::INT32, expected_int32_indexs, 4);
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}
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2014-07-28 10:04:36 +00:00
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TEST(ConstantPoolPreciseGC) {
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LocalContext context;
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Isolate* isolate = CcTest::i_isolate();
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Heap* heap = isolate->heap();
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Factory* factory = isolate->factory();
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v8::HandleScope scope(context->GetIsolate());
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ConstantPoolArray::NumberOfEntries small(1, 0, 0, 1);
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Handle<ConstantPoolArray> array = factory->NewConstantPoolArray(small);
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// Check that the store buffer knows which entries are pointers and which are
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// not. To do this, make non-pointer entries which look like new space
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// pointers but are actually invalid and ensure the GC doesn't try to move
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// them.
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Handle<HeapObject> object = factory->NewHeapNumber(4.0);
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Object* raw_ptr = *object;
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// If interpreted as a pointer, this should be right inside the heap number
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// which will cause a crash when trying to lookup the 'map' pointer.
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intptr_t invalid_ptr = reinterpret_cast<intptr_t>(raw_ptr) + kInt32Size;
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int32_t invalid_ptr_int32 = static_cast<int32_t>(invalid_ptr);
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int64_t invalid_ptr_int64 = static_cast<int64_t>(invalid_ptr);
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array->set(0, invalid_ptr_int64);
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array->set(1, invalid_ptr_int32);
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// Ensure we perform a scan on scavenge for the constant pool's page.
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MemoryChunk::FromAddress(array->address())->set_scan_on_scavenge(true);
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heap->CollectGarbage(NEW_SPACE);
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// Check the object was moved by GC.
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CHECK_NE(*object, raw_ptr);
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// Check the non-pointer entries weren't changed.
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CHECK_EQ(invalid_ptr_int64, array->get_int64_entry(0));
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CHECK_EQ(invalid_ptr_int32, array->get_int32_entry(1));
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}
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TEST(ConstantPoolCompacting) {
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if (i::FLAG_never_compact) return;
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i::FLAG_always_compact = true;
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LocalContext context;
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Isolate* isolate = CcTest::i_isolate();
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Heap* heap = isolate->heap();
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Factory* factory = isolate->factory();
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v8::HandleScope scope(context->GetIsolate());
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ConstantPoolArray::NumberOfEntries small(0, 0, 1, 0);
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ConstantPoolArray::NumberOfEntries extended(0, 0, 1, 0);
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|
|
|
Handle<ConstantPoolArray> array =
|
|
|
|
factory->NewExtendedConstantPoolArray(small, extended);
|
|
|
|
|
|
|
|
// Start a second old-space page so that the heap pointer added to the
|
|
|
|
// constant pool array ends up on the an evacuation candidate page.
|
2015-04-07 11:31:57 +00:00
|
|
|
Page* first_page = heap->old_space()->anchor()->next_page();
|
2014-07-28 10:04:36 +00:00
|
|
|
{
|
|
|
|
HandleScope scope(isolate);
|
2015-02-24 19:05:21 +00:00
|
|
|
int dummy_array_size = Page::kMaxRegularHeapObjectSize - 92 * KB;
|
2014-07-28 10:04:36 +00:00
|
|
|
Handle<HeapObject> temp =
|
2015-02-24 19:05:21 +00:00
|
|
|
factory->NewFixedDoubleArray(dummy_array_size / kDoubleSize, TENURED);
|
2015-04-07 11:31:57 +00:00
|
|
|
CHECK(heap->InOldSpace(temp->address()));
|
2014-07-28 10:04:36 +00:00
|
|
|
Handle<HeapObject> heap_ptr =
|
|
|
|
factory->NewHeapNumber(5.0, IMMUTABLE, TENURED);
|
2015-04-07 11:31:57 +00:00
|
|
|
CHECK(heap->InOldSpace(heap_ptr->address()));
|
2014-07-28 10:04:36 +00:00
|
|
|
CHECK(!first_page->Contains(heap_ptr->address()));
|
|
|
|
array->set(0, *heap_ptr);
|
|
|
|
array->set(1, *heap_ptr);
|
|
|
|
}
|
|
|
|
|
|
|
|
// Check heap pointers are correctly updated on GC.
|
|
|
|
Object* old_ptr = array->get_heap_ptr_entry(0);
|
|
|
|
Handle<Object> object(old_ptr, isolate);
|
|
|
|
CHECK_EQ(old_ptr, *object);
|
|
|
|
CHECK_EQ(old_ptr, array->get_heap_ptr_entry(1));
|
|
|
|
|
|
|
|
// Force compacting garbage collection.
|
|
|
|
CHECK(FLAG_always_compact);
|
2015-04-23 08:37:24 +00:00
|
|
|
heap->CollectAllGarbage();
|
2014-07-28 10:04:36 +00:00
|
|
|
|
|
|
|
CHECK_NE(old_ptr, *object);
|
|
|
|
CHECK_EQ(*object, array->get_heap_ptr_entry(0));
|
|
|
|
CHECK_EQ(*object, array->get_heap_ptr_entry(1));
|
|
|
|
}
|