yangguo@chromium.org | 304cc33 | 2012-07-24 07:59:48 +0000 | [diff] [blame] | 1 | // Copyright 2012 the V8 project authors. All rights reserved. |
kasperl@chromium.org | 9bbf968 | 2008-10-30 11:53:07 +0000 | [diff] [blame] | 2 | // Redistribution and use in source and binary forms, with or without |
| 3 | // modification, are permitted provided that the following conditions are |
| 4 | // met: |
| 5 | // |
| 6 | // * Redistributions of source code must retain the above copyright |
| 7 | // notice, this list of conditions and the following disclaimer. |
| 8 | // * Redistributions in binary form must reproduce the above |
| 9 | // copyright notice, this list of conditions and the following |
| 10 | // disclaimer in the documentation and/or other materials provided |
| 11 | // with the distribution. |
| 12 | // * Neither the name of Google Inc. nor the names of its |
| 13 | // contributors may be used to endorse or promote products derived |
| 14 | // from this software without specific prior written permission. |
| 15 | // |
| 16 | // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| 17 | // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| 18 | // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| 19 | // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| 20 | // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| 21 | // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| 22 | // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| 23 | // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| 24 | // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| 25 | // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| 26 | // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| 27 | |
machenbach@chromium.org | 196eb60 | 2014-06-04 00:06:13 +0000 | [diff] [blame] | 28 | #include "src/v8.h" |
| 29 | #include "src/accessors.h" |
| 30 | #include "src/api.h" |
kasperl@chromium.org | 9bbf968 | 2008-10-30 11:53:07 +0000 | [diff] [blame] | 31 | |
machenbach@chromium.org | 196eb60 | 2014-06-04 00:06:13 +0000 | [diff] [blame] | 32 | #include "test/cctest/cctest.h" |
kasperl@chromium.org | 9bbf968 | 2008-10-30 11:53:07 +0000 | [diff] [blame] | 33 | |
| 34 | |
| 35 | using namespace v8::internal; |
| 36 | |
| 37 | |
machenbach@chromium.org | a86d416 | 2014-05-01 00:05:11 +0000 | [diff] [blame] | 38 | static AllocationResult AllocateAfterFailures() { |
kasperl@chromium.org | 9bbf968 | 2008-10-30 11:53:07 +0000 | [diff] [blame] | 39 | static int attempts = 0; |
machenbach@chromium.org | a86d416 | 2014-05-01 00:05:11 +0000 | [diff] [blame] | 40 | |
| 41 | if (++attempts < 3) return AllocationResult::Retry(); |
rossberg@chromium.org | 3484964 | 2014-04-29 16:30:47 +0000 | [diff] [blame] | 42 | TestHeap* heap = CcTest::test_heap(); |
kasperl@chromium.org | 9bbf968 | 2008-10-30 11:53:07 +0000 | [diff] [blame] | 43 | |
| 44 | // New space. |
jkummerow@chromium.org | 5323a9c | 2012-12-10 19:00:50 +0000 | [diff] [blame] | 45 | SimulateFullSpace(heap->new_space()); |
machenbach@chromium.org | a86d416 | 2014-05-01 00:05:11 +0000 | [diff] [blame] | 46 | heap->AllocateByteArray(100).ToObjectChecked(); |
| 47 | heap->AllocateFixedArray(100, NOT_TENURED).ToObjectChecked(); |
kasperl@chromium.org | 9bbf968 | 2008-10-30 11:53:07 +0000 | [diff] [blame] | 48 | |
| 49 | // Make sure we can allocate through optimized allocation functions |
| 50 | // for specific kinds. |
machenbach@chromium.org | a86d416 | 2014-05-01 00:05:11 +0000 | [diff] [blame] | 51 | heap->AllocateFixedArray(100).ToObjectChecked(); |
| 52 | heap->AllocateHeapNumber(0.42).ToObjectChecked(); |
| 53 | heap->AllocateArgumentsObject(Smi::FromInt(87), 10).ToObjectChecked(); |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 54 | Object* object = heap->AllocateJSObject( |
machenbach@chromium.org | a86d416 | 2014-05-01 00:05:11 +0000 | [diff] [blame] | 55 | *CcTest::i_isolate()->object_function()).ToObjectChecked(); |
| 56 | heap->CopyJSObject(JSObject::cast(object)).ToObjectChecked(); |
kasperl@chromium.org | 9bbf968 | 2008-10-30 11:53:07 +0000 | [diff] [blame] | 57 | |
| 58 | // Old data space. |
jkummerow@chromium.org | 28faa98 | 2012-04-13 09:58:30 +0000 | [diff] [blame] | 59 | SimulateFullSpace(heap->old_data_space()); |
machenbach@chromium.org | a86d416 | 2014-05-01 00:05:11 +0000 | [diff] [blame] | 60 | heap->AllocateByteArray(100, TENURED).ToObjectChecked(); |
kasperl@chromium.org | 9bbf968 | 2008-10-30 11:53:07 +0000 | [diff] [blame] | 61 | |
erik.corry@gmail.com | c3b670f | 2011-10-05 21:44:48 +0000 | [diff] [blame] | 62 | // Old pointer space. |
jkummerow@chromium.org | 28faa98 | 2012-04-13 09:58:30 +0000 | [diff] [blame] | 63 | SimulateFullSpace(heap->old_pointer_space()); |
machenbach@chromium.org | a86d416 | 2014-05-01 00:05:11 +0000 | [diff] [blame] | 64 | heap->AllocateFixedArray(10000, TENURED).ToObjectChecked(); |
erik.corry@gmail.com | c3b670f | 2011-10-05 21:44:48 +0000 | [diff] [blame] | 65 | |
| 66 | // Large object space. |
| 67 | static const int kLargeObjectSpaceFillerLength = 300000; |
| 68 | static const int kLargeObjectSpaceFillerSize = FixedArray::SizeFor( |
| 69 | kLargeObjectSpaceFillerLength); |
yangguo@chromium.org | ab30bb8 | 2012-02-24 14:41:46 +0000 | [diff] [blame] | 70 | ASSERT(kLargeObjectSpaceFillerSize > heap->old_pointer_space()->AreaSize()); |
erik.corry@gmail.com | c3b670f | 2011-10-05 21:44:48 +0000 | [diff] [blame] | 71 | while (heap->OldGenerationSpaceAvailable() > kLargeObjectSpaceFillerSize) { |
machenbach@chromium.org | a86d416 | 2014-05-01 00:05:11 +0000 | [diff] [blame] | 72 | heap->AllocateFixedArray( |
| 73 | kLargeObjectSpaceFillerLength, TENURED).ToObjectChecked(); |
erik.corry@gmail.com | c3b670f | 2011-10-05 21:44:48 +0000 | [diff] [blame] | 74 | } |
machenbach@chromium.org | a86d416 | 2014-05-01 00:05:11 +0000 | [diff] [blame] | 75 | heap->AllocateFixedArray( |
| 76 | kLargeObjectSpaceFillerLength, TENURED).ToObjectChecked(); |
kasperl@chromium.org | 9bbf968 | 2008-10-30 11:53:07 +0000 | [diff] [blame] | 77 | |
| 78 | // Map space. |
jkummerow@chromium.org | 28faa98 | 2012-04-13 09:58:30 +0000 | [diff] [blame] | 79 | SimulateFullSpace(heap->map_space()); |
kasperl@chromium.org | 9bbf968 | 2008-10-30 11:53:07 +0000 | [diff] [blame] | 80 | int instance_size = JSObject::kHeaderSize; |
machenbach@chromium.org | a86d416 | 2014-05-01 00:05:11 +0000 | [diff] [blame] | 81 | heap->AllocateMap(JS_OBJECT_TYPE, instance_size).ToObjectChecked(); |
kasperl@chromium.org | 9bbf968 | 2008-10-30 11:53:07 +0000 | [diff] [blame] | 82 | |
| 83 | // Test that we can allocate in old pointer space and code space. |
jkummerow@chromium.org | 5323a9c | 2012-12-10 19:00:50 +0000 | [diff] [blame] | 84 | SimulateFullSpace(heap->code_space()); |
machenbach@chromium.org | a86d416 | 2014-05-01 00:05:11 +0000 | [diff] [blame] | 85 | heap->AllocateFixedArray(100, TENURED).ToObjectChecked(); |
| 86 | heap->CopyCode(CcTest::i_isolate()->builtins()->builtin( |
| 87 | Builtins::kIllegal)).ToObjectChecked(); |
kasperl@chromium.org | 9bbf968 | 2008-10-30 11:53:07 +0000 | [diff] [blame] | 88 | |
| 89 | // Return success. |
| 90 | return Smi::FromInt(42); |
| 91 | } |
| 92 | |
ager@chromium.org | 870a0b6 | 2008-11-04 11:43:05 +0000 | [diff] [blame] | 93 | |
kasperl@chromium.org | 9bbf968 | 2008-10-30 11:53:07 +0000 | [diff] [blame] | 94 | static Handle<Object> Test() { |
machenbach@chromium.org | 528ce02 | 2013-09-23 14:09:36 +0000 | [diff] [blame] | 95 | CALL_HEAP_FUNCTION(CcTest::i_isolate(), AllocateAfterFailures(), Object); |
kasperl@chromium.org | 9bbf968 | 2008-10-30 11:53:07 +0000 | [diff] [blame] | 96 | } |
| 97 | |
| 98 | |
ager@chromium.org | 870a0b6 | 2008-11-04 11:43:05 +0000 | [diff] [blame] | 99 | TEST(StressHandles) { |
machenbach@chromium.org | 528ce02 | 2013-09-23 14:09:36 +0000 | [diff] [blame] | 100 | v8::HandleScope scope(CcTest::isolate()); |
| 101 | v8::Handle<v8::Context> env = v8::Context::New(CcTest::isolate()); |
kasperl@chromium.org | 9bbf968 | 2008-10-30 11:53:07 +0000 | [diff] [blame] | 102 | env->Enter(); |
| 103 | Handle<Object> o = Test(); |
| 104 | CHECK(o->IsSmi() && Smi::cast(*o)->value() == 42); |
| 105 | env->Exit(); |
| 106 | } |
ager@chromium.org | 870a0b6 | 2008-11-04 11:43:05 +0000 | [diff] [blame] | 107 | |
| 108 | |
rossberg@chromium.org | 3484964 | 2014-04-29 16:30:47 +0000 | [diff] [blame] | 109 | void TestGetter( |
| 110 | v8::Local<v8::String> name, |
| 111 | const v8::PropertyCallbackInfo<v8::Value>& info) { |
| 112 | i::Isolate* isolate = reinterpret_cast<i::Isolate*>(info.GetIsolate()); |
| 113 | HandleScope scope(isolate); |
| 114 | info.GetReturnValue().Set(v8::Utils::ToLocal(Test())); |
ager@chromium.org | 870a0b6 | 2008-11-04 11:43:05 +0000 | [diff] [blame] | 115 | } |
| 116 | |
| 117 | |
rossberg@chromium.org | 3484964 | 2014-04-29 16:30:47 +0000 | [diff] [blame] | 118 | void TestSetter( |
| 119 | v8::Local<v8::String> name, |
| 120 | v8::Local<v8::Value> value, |
| 121 | const v8::PropertyCallbackInfo<void>& info) { |
| 122 | UNREACHABLE(); |
| 123 | } |
| 124 | |
| 125 | |
| 126 | Handle<AccessorInfo> TestAccessorInfo( |
| 127 | Isolate* isolate, PropertyAttributes attributes) { |
| 128 | Handle<String> name = isolate->factory()->NewStringFromStaticAscii("get"); |
| 129 | return Accessors::MakeAccessor(isolate, name, &TestGetter, &TestSetter, |
| 130 | attributes); |
| 131 | } |
ager@chromium.org | 870a0b6 | 2008-11-04 11:43:05 +0000 | [diff] [blame] | 132 | |
| 133 | |
| 134 | TEST(StressJS) { |
machenbach@chromium.org | 528ce02 | 2013-09-23 14:09:36 +0000 | [diff] [blame] | 135 | Isolate* isolate = CcTest::i_isolate(); |
verwaest@chromium.org | d4be0f0 | 2013-06-05 13:39:03 +0000 | [diff] [blame] | 136 | Factory* factory = isolate->factory(); |
machenbach@chromium.org | 528ce02 | 2013-09-23 14:09:36 +0000 | [diff] [blame] | 137 | v8::HandleScope scope(CcTest::isolate()); |
| 138 | v8::Handle<v8::Context> env = v8::Context::New(CcTest::isolate()); |
ager@chromium.org | 870a0b6 | 2008-11-04 11:43:05 +0000 | [diff] [blame] | 139 | env->Enter(); |
machenbach@chromium.org | 3c3c8d7 | 2014-05-12 00:05:07 +0000 | [diff] [blame] | 140 | Handle<JSFunction> function = factory->NewFunction( |
| 141 | factory->function_string()); |
ager@chromium.org | 870a0b6 | 2008-11-04 11:43:05 +0000 | [diff] [blame] | 142 | // Force the creation of an initial map and set the code to |
| 143 | // something empty. |
verwaest@chromium.org | d4be0f0 | 2013-06-05 13:39:03 +0000 | [diff] [blame] | 144 | factory->NewJSObject(function); |
machenbach@chromium.org | 528ce02 | 2013-09-23 14:09:36 +0000 | [diff] [blame] | 145 | function->ReplaceCode(CcTest::i_isolate()->builtins()->builtin( |
fschneider@chromium.org | 7979bbb | 2011-03-28 10:47:03 +0000 | [diff] [blame] | 146 | Builtins::kEmptyFunction)); |
ager@chromium.org | 870a0b6 | 2008-11-04 11:43:05 +0000 | [diff] [blame] | 147 | // Patch the map to have an accessor for "get". |
| 148 | Handle<Map> map(function->initial_map()); |
| 149 | Handle<DescriptorArray> instance_descriptors(map->instance_descriptors()); |
yangguo@chromium.org | 304cc33 | 2012-07-24 07:59:48 +0000 | [diff] [blame] | 150 | ASSERT(instance_descriptors->IsEmpty()); |
| 151 | |
rossberg@chromium.org | 3484964 | 2014-04-29 16:30:47 +0000 | [diff] [blame] | 152 | PropertyAttributes attrs = static_cast<PropertyAttributes>(0); |
| 153 | Handle<AccessorInfo> foreign = TestAccessorInfo(isolate, attrs); |
machenbach@chromium.org | 2ebef18 | 2014-04-14 00:05:03 +0000 | [diff] [blame] | 154 | Map::EnsureDescriptorSlack(map, 1); |
yangguo@chromium.org | 304cc33 | 2012-07-24 07:59:48 +0000 | [diff] [blame] | 155 | |
rossberg@chromium.org | 3484964 | 2014-04-29 16:30:47 +0000 | [diff] [blame] | 156 | CallbacksDescriptor d(Handle<Name>(Name::cast(foreign->name())), |
| 157 | foreign, attrs); |
machenbach@chromium.org | 2ebef18 | 2014-04-14 00:05:03 +0000 | [diff] [blame] | 158 | map->AppendDescriptor(&d); |
yangguo@chromium.org | 304cc33 | 2012-07-24 07:59:48 +0000 | [diff] [blame] | 159 | |
ager@chromium.org | 870a0b6 | 2008-11-04 11:43:05 +0000 | [diff] [blame] | 160 | // Add the Foo constructor the global object. |
machenbach@chromium.org | f984189 | 2013-11-25 12:01:13 +0000 | [diff] [blame] | 161 | env->Global()->Set(v8::String::NewFromUtf8(CcTest::isolate(), "Foo"), |
| 162 | v8::Utils::ToLocal(function)); |
ager@chromium.org | 870a0b6 | 2008-11-04 11:43:05 +0000 | [diff] [blame] | 163 | // Call the accessor through JavaScript. |
machenbach@chromium.org | f984189 | 2013-11-25 12:01:13 +0000 | [diff] [blame] | 164 | v8::Handle<v8::Value> result = v8::Script::Compile( |
| 165 | v8::String::NewFromUtf8(CcTest::isolate(), "(new Foo).get"))->Run(); |
ager@chromium.org | 870a0b6 | 2008-11-04 11:43:05 +0000 | [diff] [blame] | 166 | CHECK_EQ(42, result->Int32Value()); |
| 167 | env->Exit(); |
| 168 | } |
sgjesse@chromium.org | c514574 | 2009-10-07 09:00:33 +0000 | [diff] [blame] | 169 | |
| 170 | |
| 171 | // CodeRange test. |
| 172 | // Tests memory management in a CodeRange by allocating and freeing blocks, |
| 173 | // using a pseudorandom generator to choose block sizes geometrically |
| 174 | // distributed between 2 * Page::kPageSize and 2^5 + 1 * Page::kPageSize. |
| 175 | // Ensure that the freed chunks are collected and reused by allocating (in |
| 176 | // total) more than the size of the CodeRange. |
| 177 | |
| 178 | // This pseudorandom generator does not need to be particularly good. |
| 179 | // Use the lower half of the V8::Random() generator. |
| 180 | unsigned int Pseudorandom() { |
| 181 | static uint32_t lo = 2345; |
| 182 | lo = 18273 * (lo & 0xFFFF) + (lo >> 16); // Provably not 0. |
| 183 | return lo & 0xFFFF; |
| 184 | } |
| 185 | |
| 186 | |
| 187 | // Plain old data class. Represents a block of allocated memory. |
| 188 | class Block { |
| 189 | public: |
erik.corry@gmail.com | c3b670f | 2011-10-05 21:44:48 +0000 | [diff] [blame] | 190 | Block(Address base_arg, int size_arg) |
sgjesse@chromium.org | c514574 | 2009-10-07 09:00:33 +0000 | [diff] [blame] | 191 | : base(base_arg), size(size_arg) {} |
| 192 | |
erik.corry@gmail.com | c3b670f | 2011-10-05 21:44:48 +0000 | [diff] [blame] | 193 | Address base; |
sgjesse@chromium.org | c514574 | 2009-10-07 09:00:33 +0000 | [diff] [blame] | 194 | int size; |
| 195 | }; |
| 196 | |
| 197 | |
| 198 | TEST(CodeRange) { |
bmeurer@chromium.org | 70ec1a2 | 2014-06-16 11:20:10 +0000 | [diff] [blame] | 199 | const size_t code_range_size = 32*MB; |
jkummerow@chromium.org | 2c9426b | 2013-09-05 16:31:13 +0000 | [diff] [blame] | 200 | CcTest::InitializeVM(); |
| 201 | CodeRange code_range(reinterpret_cast<Isolate*>(CcTest::isolate())); |
| 202 | code_range.SetUp(code_range_size); |
bmeurer@chromium.org | 70ec1a2 | 2014-06-16 11:20:10 +0000 | [diff] [blame] | 203 | size_t current_allocated = 0; |
| 204 | size_t total_allocated = 0; |
sgjesse@chromium.org | c514574 | 2009-10-07 09:00:33 +0000 | [diff] [blame] | 205 | List<Block> blocks(1000); |
| 206 | |
| 207 | while (total_allocated < 5 * code_range_size) { |
| 208 | if (current_allocated < code_range_size / 10) { |
| 209 | // Allocate a block. |
yangguo@chromium.org | ab30bb8 | 2012-02-24 14:41:46 +0000 | [diff] [blame] | 210 | // Geometrically distributed sizes, greater than |
machenbach@chromium.org | ef9a2b9 | 2014-01-24 01:05:19 +0000 | [diff] [blame] | 211 | // Page::kMaxRegularHeapObjectSize (which is greater than code page area). |
erik.corry@gmail.com | c3b670f | 2011-10-05 21:44:48 +0000 | [diff] [blame] | 212 | // TODO(gc): instead of using 3 use some contant based on code_range_size |
| 213 | // kMaxHeapObjectSize. |
yangguo@chromium.org | ab30bb8 | 2012-02-24 14:41:46 +0000 | [diff] [blame] | 214 | size_t requested = |
machenbach@chromium.org | ef9a2b9 | 2014-01-24 01:05:19 +0000 | [diff] [blame] | 215 | (Page::kMaxRegularHeapObjectSize << (Pseudorandom() % 3)) + |
yangguo@chromium.org | ab30bb8 | 2012-02-24 14:41:46 +0000 | [diff] [blame] | 216 | Pseudorandom() % 5000 + 1; |
sgjesse@chromium.org | c514574 | 2009-10-07 09:00:33 +0000 | [diff] [blame] | 217 | size_t allocated = 0; |
jkummerow@chromium.org | 2c9426b | 2013-09-05 16:31:13 +0000 | [diff] [blame] | 218 | Address base = code_range.AllocateRawMemory(requested, |
| 219 | requested, |
| 220 | &allocated); |
kmillikin@chromium.org | c36ce6e | 2011-04-04 08:25:31 +0000 | [diff] [blame] | 221 | CHECK(base != NULL); |
ager@chromium.org | c4c9272 | 2009-11-18 14:12:51 +0000 | [diff] [blame] | 222 | blocks.Add(Block(base, static_cast<int>(allocated))); |
| 223 | current_allocated += static_cast<int>(allocated); |
| 224 | total_allocated += static_cast<int>(allocated); |
sgjesse@chromium.org | c514574 | 2009-10-07 09:00:33 +0000 | [diff] [blame] | 225 | } else { |
| 226 | // Free a block. |
| 227 | int index = Pseudorandom() % blocks.length(); |
jkummerow@chromium.org | 2c9426b | 2013-09-05 16:31:13 +0000 | [diff] [blame] | 228 | code_range.FreeRawMemory(blocks[index].base, blocks[index].size); |
sgjesse@chromium.org | c514574 | 2009-10-07 09:00:33 +0000 | [diff] [blame] | 229 | current_allocated -= blocks[index].size; |
| 230 | if (index < blocks.length() - 1) { |
| 231 | blocks[index] = blocks.RemoveLast(); |
| 232 | } else { |
| 233 | blocks.RemoveLast(); |
| 234 | } |
| 235 | } |
| 236 | } |
| 237 | |
jkummerow@chromium.org | 2c9426b | 2013-09-05 16:31:13 +0000 | [diff] [blame] | 238 | code_range.TearDown(); |
sgjesse@chromium.org | c514574 | 2009-10-07 09:00:33 +0000 | [diff] [blame] | 239 | } |