danno@chromium.org | fa458e4 | 2012-02-01 10:48:36 +0000 | [diff] [blame] | 1 | // Copyright 2012 the V8 project authors. All rights reserved. |
ulan@chromium.org | 750145a | 2013-03-07 15:14:13 +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. |
mads.s.ager@gmail.com | 9a4089a | 2008-09-01 08:55:01 +0000 | [diff] [blame] | 27 | |
| 28 | #include <stdlib.h> |
| 29 | |
| 30 | #include "v8.h" |
| 31 | |
verwaest@chromium.org | 33e09c8 | 2012-10-10 17:07:22 +0000 | [diff] [blame] | 32 | #include "compilation-cache.h" |
mads.s.ager@gmail.com | 9a4089a | 2008-09-01 08:55:01 +0000 | [diff] [blame] | 33 | #include "execution.h" |
| 34 | #include "factory.h" |
| 35 | #include "macro-assembler.h" |
| 36 | #include "global-handles.h" |
verwaest@chromium.org | 33e09c8 | 2012-10-10 17:07:22 +0000 | [diff] [blame] | 37 | #include "stub-cache.h" |
mads.s.ager@gmail.com | 9a4089a | 2008-09-01 08:55:01 +0000 | [diff] [blame] | 38 | #include "cctest.h" |
| 39 | |
| 40 | using namespace v8::internal; |
| 41 | |
mads.s.ager@gmail.com | 9a4089a | 2008-09-01 08:55:01 +0000 | [diff] [blame] | 42 | |
verwaest@chromium.org | e4ee6de | 2012-11-06 12:13:00 +0000 | [diff] [blame] | 43 | // Go through all incremental marking steps in one swoop. |
| 44 | static void SimulateIncrementalMarking() { |
ulan@chromium.org | 6e196bf | 2013-03-13 09:38:22 +0000 | [diff] [blame] | 45 | MarkCompactCollector* collector = HEAP->mark_compact_collector(); |
verwaest@chromium.org | e4ee6de | 2012-11-06 12:13:00 +0000 | [diff] [blame] | 46 | IncrementalMarking* marking = HEAP->incremental_marking(); |
ulan@chromium.org | 6e196bf | 2013-03-13 09:38:22 +0000 | [diff] [blame] | 47 | if (collector->IsConcurrentSweepingInProgress()) { |
| 48 | collector->WaitUntilSweepingCompleted(); |
| 49 | } |
jkummerow@chromium.org | 5323a9c | 2012-12-10 19:00:50 +0000 | [diff] [blame] | 50 | CHECK(marking->IsMarking() || marking->IsStopped()); |
| 51 | if (marking->IsStopped()) { |
| 52 | marking->Start(); |
| 53 | } |
verwaest@chromium.org | e4ee6de | 2012-11-06 12:13:00 +0000 | [diff] [blame] | 54 | CHECK(marking->IsMarking()); |
| 55 | while (!marking->IsComplete()) { |
| 56 | marking->Step(MB, IncrementalMarking::NO_GC_VIA_STACK_GUARD); |
| 57 | } |
| 58 | CHECK(marking->IsComplete()); |
| 59 | } |
| 60 | |
| 61 | |
mads.s.ager@gmail.com | 9a4089a | 2008-09-01 08:55:01 +0000 | [diff] [blame] | 62 | static void CheckMap(Map* map, int type, int instance_size) { |
| 63 | CHECK(map->IsHeapObject()); |
| 64 | #ifdef DEBUG |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 65 | CHECK(HEAP->Contains(map)); |
mads.s.ager@gmail.com | 9a4089a | 2008-09-01 08:55:01 +0000 | [diff] [blame] | 66 | #endif |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 67 | CHECK_EQ(HEAP->meta_map(), map->map()); |
mads.s.ager@gmail.com | 9a4089a | 2008-09-01 08:55:01 +0000 | [diff] [blame] | 68 | CHECK_EQ(type, map->instance_type()); |
| 69 | CHECK_EQ(instance_size, map->instance_size()); |
| 70 | } |
| 71 | |
| 72 | |
| 73 | TEST(HeapMaps) { |
mstarzinger@chromium.org | e27d617 | 2013-04-17 11:51:44 +0000 | [diff] [blame^] | 74 | CcTest::InitializeVM(); |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 75 | CheckMap(HEAP->meta_map(), MAP_TYPE, Map::kSize); |
| 76 | CheckMap(HEAP->heap_number_map(), HEAP_NUMBER_TYPE, HeapNumber::kSize); |
| 77 | CheckMap(HEAP->fixed_array_map(), FIXED_ARRAY_TYPE, kVariableSizeSentinel); |
| 78 | CheckMap(HEAP->string_map(), STRING_TYPE, kVariableSizeSentinel); |
mads.s.ager@gmail.com | 9a4089a | 2008-09-01 08:55:01 +0000 | [diff] [blame] | 79 | } |
| 80 | |
| 81 | |
ulan@chromium.org | 09d7ab5 | 2013-02-25 15:50:35 +0000 | [diff] [blame] | 82 | static void CheckOddball(Isolate* isolate, Object* obj, const char* string) { |
mads.s.ager@gmail.com | 9a4089a | 2008-09-01 08:55:01 +0000 | [diff] [blame] | 83 | CHECK(obj->IsOddball()); |
| 84 | bool exc; |
ulan@chromium.org | 09d7ab5 | 2013-02-25 15:50:35 +0000 | [diff] [blame] | 85 | Object* print_string = |
| 86 | *Execution::ToString(Handle<Object>(obj, isolate), &exc); |
jkummerow@chromium.org | 59297c7 | 2013-01-09 16:32:23 +0000 | [diff] [blame] | 87 | CHECK(String::cast(print_string)->IsUtf8EqualTo(CStrVector(string))); |
mads.s.ager@gmail.com | 9a4089a | 2008-09-01 08:55:01 +0000 | [diff] [blame] | 88 | } |
| 89 | |
| 90 | |
ulan@chromium.org | 09d7ab5 | 2013-02-25 15:50:35 +0000 | [diff] [blame] | 91 | static void CheckSmi(Isolate* isolate, int value, const char* string) { |
mads.s.ager@gmail.com | 9a4089a | 2008-09-01 08:55:01 +0000 | [diff] [blame] | 92 | bool exc; |
| 93 | Object* print_string = |
ulan@chromium.org | 09d7ab5 | 2013-02-25 15:50:35 +0000 | [diff] [blame] | 94 | *Execution::ToString(Handle<Object>(Smi::FromInt(value), isolate), &exc); |
jkummerow@chromium.org | 59297c7 | 2013-01-09 16:32:23 +0000 | [diff] [blame] | 95 | CHECK(String::cast(print_string)->IsUtf8EqualTo(CStrVector(string))); |
mads.s.ager@gmail.com | 9a4089a | 2008-09-01 08:55:01 +0000 | [diff] [blame] | 96 | } |
| 97 | |
| 98 | |
ulan@chromium.org | 09d7ab5 | 2013-02-25 15:50:35 +0000 | [diff] [blame] | 99 | static void CheckNumber(Isolate* isolate, double value, const char* string) { |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 100 | Object* obj = HEAP->NumberFromDouble(value)->ToObjectChecked(); |
mads.s.ager@gmail.com | 9a4089a | 2008-09-01 08:55:01 +0000 | [diff] [blame] | 101 | CHECK(obj->IsNumber()); |
| 102 | bool exc; |
ulan@chromium.org | 09d7ab5 | 2013-02-25 15:50:35 +0000 | [diff] [blame] | 103 | Object* print_string = |
| 104 | *Execution::ToString(Handle<Object>(obj, isolate), &exc); |
jkummerow@chromium.org | 59297c7 | 2013-01-09 16:32:23 +0000 | [diff] [blame] | 105 | CHECK(String::cast(print_string)->IsUtf8EqualTo(CStrVector(string))); |
mads.s.ager@gmail.com | 9a4089a | 2008-09-01 08:55:01 +0000 | [diff] [blame] | 106 | } |
| 107 | |
| 108 | |
ulan@chromium.org | 09d7ab5 | 2013-02-25 15:50:35 +0000 | [diff] [blame] | 109 | static void CheckFindCodeObject(Isolate* isolate) { |
mads.s.ager@gmail.com | 9a4089a | 2008-09-01 08:55:01 +0000 | [diff] [blame] | 110 | // Test FindCodeObject |
| 111 | #define __ assm. |
| 112 | |
ulan@chromium.org | 09d7ab5 | 2013-02-25 15:50:35 +0000 | [diff] [blame] | 113 | Assembler assm(isolate, NULL, 0); |
mads.s.ager@gmail.com | 9a4089a | 2008-09-01 08:55:01 +0000 | [diff] [blame] | 114 | |
| 115 | __ nop(); // supported on all architectures |
| 116 | |
| 117 | CodeDesc desc; |
| 118 | assm.GetCode(&desc); |
ulan@chromium.org | 09d7ab5 | 2013-02-25 15:50:35 +0000 | [diff] [blame] | 119 | Heap* heap = isolate->heap(); |
| 120 | Object* code = heap->CreateCode( |
lrn@chromium.org | 303ada7 | 2010-10-27 09:33:13 +0000 | [diff] [blame] | 121 | desc, |
| 122 | Code::ComputeFlags(Code::STUB), |
ulan@chromium.org | 09d7ab5 | 2013-02-25 15:50:35 +0000 | [diff] [blame] | 123 | Handle<Code>())->ToObjectChecked(); |
mads.s.ager@gmail.com | 9a4089a | 2008-09-01 08:55:01 +0000 | [diff] [blame] | 124 | CHECK(code->IsCode()); |
| 125 | |
| 126 | HeapObject* obj = HeapObject::cast(code); |
| 127 | Address obj_addr = obj->address(); |
| 128 | |
| 129 | for (int i = 0; i < obj->Size(); i += kPointerSize) { |
ulan@chromium.org | 09d7ab5 | 2013-02-25 15:50:35 +0000 | [diff] [blame] | 130 | Object* found = heap->FindCodeObject(obj_addr + i); |
mads.s.ager@gmail.com | 9a4089a | 2008-09-01 08:55:01 +0000 | [diff] [blame] | 131 | CHECK_EQ(code, found); |
| 132 | } |
| 133 | |
ulan@chromium.org | 09d7ab5 | 2013-02-25 15:50:35 +0000 | [diff] [blame] | 134 | Object* copy = heap->CreateCode( |
lrn@chromium.org | 303ada7 | 2010-10-27 09:33:13 +0000 | [diff] [blame] | 135 | desc, |
| 136 | Code::ComputeFlags(Code::STUB), |
ulan@chromium.org | 09d7ab5 | 2013-02-25 15:50:35 +0000 | [diff] [blame] | 137 | Handle<Code>())->ToObjectChecked(); |
mads.s.ager@gmail.com | 9a4089a | 2008-09-01 08:55:01 +0000 | [diff] [blame] | 138 | CHECK(copy->IsCode()); |
| 139 | HeapObject* obj_copy = HeapObject::cast(copy); |
ulan@chromium.org | 09d7ab5 | 2013-02-25 15:50:35 +0000 | [diff] [blame] | 140 | Object* not_right = heap->FindCodeObject(obj_copy->address() + |
mads.s.ager@gmail.com | 9a4089a | 2008-09-01 08:55:01 +0000 | [diff] [blame] | 141 | obj_copy->Size() / 2); |
| 142 | CHECK(not_right != code); |
| 143 | } |
| 144 | |
| 145 | |
| 146 | TEST(HeapObjects) { |
mstarzinger@chromium.org | e27d617 | 2013-04-17 11:51:44 +0000 | [diff] [blame^] | 147 | CcTest::InitializeVM(); |
ulan@chromium.org | 09d7ab5 | 2013-02-25 15:50:35 +0000 | [diff] [blame] | 148 | Isolate* isolate = Isolate::Current(); |
| 149 | Heap* heap = isolate->heap(); |
mads.s.ager@gmail.com | 9a4089a | 2008-09-01 08:55:01 +0000 | [diff] [blame] | 150 | |
svenpanne@chromium.org | 2bda543 | 2013-03-15 12:39:50 +0000 | [diff] [blame] | 151 | HandleScope sc(isolate); |
ulan@chromium.org | 09d7ab5 | 2013-02-25 15:50:35 +0000 | [diff] [blame] | 152 | Object* value = heap->NumberFromDouble(1.000123)->ToObjectChecked(); |
mads.s.ager@gmail.com | 9a4089a | 2008-09-01 08:55:01 +0000 | [diff] [blame] | 153 | CHECK(value->IsHeapNumber()); |
| 154 | CHECK(value->IsNumber()); |
| 155 | CHECK_EQ(1.000123, value->Number()); |
| 156 | |
ulan@chromium.org | 09d7ab5 | 2013-02-25 15:50:35 +0000 | [diff] [blame] | 157 | value = heap->NumberFromDouble(1.0)->ToObjectChecked(); |
mads.s.ager@gmail.com | 9a4089a | 2008-09-01 08:55:01 +0000 | [diff] [blame] | 158 | CHECK(value->IsSmi()); |
| 159 | CHECK(value->IsNumber()); |
| 160 | CHECK_EQ(1.0, value->Number()); |
| 161 | |
ulan@chromium.org | 09d7ab5 | 2013-02-25 15:50:35 +0000 | [diff] [blame] | 162 | value = heap->NumberFromInt32(1024)->ToObjectChecked(); |
mads.s.ager@gmail.com | 9a4089a | 2008-09-01 08:55:01 +0000 | [diff] [blame] | 163 | CHECK(value->IsSmi()); |
| 164 | CHECK(value->IsNumber()); |
| 165 | CHECK_EQ(1024.0, value->Number()); |
| 166 | |
ulan@chromium.org | 09d7ab5 | 2013-02-25 15:50:35 +0000 | [diff] [blame] | 167 | value = heap->NumberFromInt32(Smi::kMinValue)->ToObjectChecked(); |
mads.s.ager@gmail.com | 9a4089a | 2008-09-01 08:55:01 +0000 | [diff] [blame] | 168 | CHECK(value->IsSmi()); |
| 169 | CHECK(value->IsNumber()); |
| 170 | CHECK_EQ(Smi::kMinValue, Smi::cast(value)->value()); |
| 171 | |
ulan@chromium.org | 09d7ab5 | 2013-02-25 15:50:35 +0000 | [diff] [blame] | 172 | value = heap->NumberFromInt32(Smi::kMaxValue)->ToObjectChecked(); |
mads.s.ager@gmail.com | 9a4089a | 2008-09-01 08:55:01 +0000 | [diff] [blame] | 173 | CHECK(value->IsSmi()); |
| 174 | CHECK(value->IsNumber()); |
| 175 | CHECK_EQ(Smi::kMaxValue, Smi::cast(value)->value()); |
| 176 | |
christian.plesner.hansen@gmail.com | 9d58c2b | 2009-10-16 11:48:38 +0000 | [diff] [blame] | 177 | #ifndef V8_TARGET_ARCH_X64 |
| 178 | // TODO(lrn): We need a NumberFromIntptr function in order to test this. |
ulan@chromium.org | 09d7ab5 | 2013-02-25 15:50:35 +0000 | [diff] [blame] | 179 | value = heap->NumberFromInt32(Smi::kMinValue - 1)->ToObjectChecked(); |
mads.s.ager@gmail.com | 9a4089a | 2008-09-01 08:55:01 +0000 | [diff] [blame] | 180 | CHECK(value->IsHeapNumber()); |
| 181 | CHECK(value->IsNumber()); |
| 182 | CHECK_EQ(static_cast<double>(Smi::kMinValue - 1), value->Number()); |
christian.plesner.hansen@gmail.com | 9d58c2b | 2009-10-16 11:48:38 +0000 | [diff] [blame] | 183 | #endif |
mads.s.ager@gmail.com | 9a4089a | 2008-09-01 08:55:01 +0000 | [diff] [blame] | 184 | |
lrn@chromium.org | 303ada7 | 2010-10-27 09:33:13 +0000 | [diff] [blame] | 185 | MaybeObject* maybe_value = |
ulan@chromium.org | 09d7ab5 | 2013-02-25 15:50:35 +0000 | [diff] [blame] | 186 | heap->NumberFromUint32(static_cast<uint32_t>(Smi::kMaxValue) + 1); |
lrn@chromium.org | 303ada7 | 2010-10-27 09:33:13 +0000 | [diff] [blame] | 187 | value = maybe_value->ToObjectChecked(); |
mads.s.ager@gmail.com | 9a4089a | 2008-09-01 08:55:01 +0000 | [diff] [blame] | 188 | CHECK(value->IsHeapNumber()); |
| 189 | CHECK(value->IsNumber()); |
christian.plesner.hansen@gmail.com | 9d58c2b | 2009-10-16 11:48:38 +0000 | [diff] [blame] | 190 | CHECK_EQ(static_cast<double>(static_cast<uint32_t>(Smi::kMaxValue) + 1), |
| 191 | value->Number()); |
mads.s.ager@gmail.com | 9a4089a | 2008-09-01 08:55:01 +0000 | [diff] [blame] | 192 | |
ulan@chromium.org | 09d7ab5 | 2013-02-25 15:50:35 +0000 | [diff] [blame] | 193 | maybe_value = heap->NumberFromUint32(static_cast<uint32_t>(1) << 31); |
jkummerow@chromium.org | 59297c7 | 2013-01-09 16:32:23 +0000 | [diff] [blame] | 194 | value = maybe_value->ToObjectChecked(); |
| 195 | CHECK(value->IsHeapNumber()); |
| 196 | CHECK(value->IsNumber()); |
| 197 | CHECK_EQ(static_cast<double>(static_cast<uint32_t>(1) << 31), |
| 198 | value->Number()); |
| 199 | |
mads.s.ager@gmail.com | 9a4089a | 2008-09-01 08:55:01 +0000 | [diff] [blame] | 200 | // nan oddball checks |
ulan@chromium.org | 09d7ab5 | 2013-02-25 15:50:35 +0000 | [diff] [blame] | 201 | CHECK(heap->nan_value()->IsNumber()); |
| 202 | CHECK(isnan(heap->nan_value()->Number())); |
mads.s.ager@gmail.com | 9a4089a | 2008-09-01 08:55:01 +0000 | [diff] [blame] | 203 | |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 204 | Handle<String> s = FACTORY->NewStringFromAscii(CStrVector("fisk hest ")); |
ager@chromium.org | ce5e87b | 2010-03-10 10:24:18 +0000 | [diff] [blame] | 205 | CHECK(s->IsString()); |
| 206 | CHECK_EQ(10, s->length()); |
mads.s.ager@gmail.com | 9a4089a | 2008-09-01 08:55:01 +0000 | [diff] [blame] | 207 | |
yangguo@chromium.org | 4a9f655 | 2013-03-04 14:46:33 +0000 | [diff] [blame] | 208 | String* object_string = String::cast(heap->Object_string()); |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 209 | CHECK( |
yangguo@chromium.org | 46839fb | 2012-08-28 09:06:19 +0000 | [diff] [blame] | 210 | Isolate::Current()->context()->global_object()->HasLocalProperty( |
yangguo@chromium.org | 4a9f655 | 2013-03-04 14:46:33 +0000 | [diff] [blame] | 211 | object_string)); |
mads.s.ager@gmail.com | 9a4089a | 2008-09-01 08:55:01 +0000 | [diff] [blame] | 212 | |
| 213 | // Check ToString for oddballs |
ulan@chromium.org | 09d7ab5 | 2013-02-25 15:50:35 +0000 | [diff] [blame] | 214 | CheckOddball(isolate, heap->true_value(), "true"); |
| 215 | CheckOddball(isolate, heap->false_value(), "false"); |
| 216 | CheckOddball(isolate, heap->null_value(), "null"); |
| 217 | CheckOddball(isolate, heap->undefined_value(), "undefined"); |
mads.s.ager@gmail.com | 9a4089a | 2008-09-01 08:55:01 +0000 | [diff] [blame] | 218 | |
| 219 | // Check ToString for Smis |
ulan@chromium.org | 09d7ab5 | 2013-02-25 15:50:35 +0000 | [diff] [blame] | 220 | CheckSmi(isolate, 0, "0"); |
| 221 | CheckSmi(isolate, 42, "42"); |
| 222 | CheckSmi(isolate, -42, "-42"); |
mads.s.ager@gmail.com | 9a4089a | 2008-09-01 08:55:01 +0000 | [diff] [blame] | 223 | |
| 224 | // Check ToString for Numbers |
ulan@chromium.org | 09d7ab5 | 2013-02-25 15:50:35 +0000 | [diff] [blame] | 225 | CheckNumber(isolate, 1.1, "1.1"); |
mads.s.ager@gmail.com | 9a4089a | 2008-09-01 08:55:01 +0000 | [diff] [blame] | 226 | |
ulan@chromium.org | 09d7ab5 | 2013-02-25 15:50:35 +0000 | [diff] [blame] | 227 | CheckFindCodeObject(isolate); |
mads.s.ager@gmail.com | 9a4089a | 2008-09-01 08:55:01 +0000 | [diff] [blame] | 228 | } |
| 229 | |
| 230 | |
| 231 | TEST(Tagging) { |
mstarzinger@chromium.org | e27d617 | 2013-04-17 11:51:44 +0000 | [diff] [blame^] | 232 | CcTest::InitializeVM(); |
kasperl@chromium.org | 71affb5 | 2009-05-26 05:44:31 +0000 | [diff] [blame] | 233 | int request = 24; |
ricow@chromium.org | 30ce411 | 2010-05-31 10:38:25 +0000 | [diff] [blame] | 234 | CHECK_EQ(request, static_cast<int>(OBJECT_POINTER_ALIGN(request))); |
mads.s.ager@gmail.com | 9a4089a | 2008-09-01 08:55:01 +0000 | [diff] [blame] | 235 | CHECK(Smi::FromInt(42)->IsSmi()); |
whesse@chromium.org | 4a5224e | 2010-10-20 12:37:07 +0000 | [diff] [blame] | 236 | CHECK(Failure::RetryAfterGC(NEW_SPACE)->IsFailure()); |
kasperl@chromium.org | 71affb5 | 2009-05-26 05:44:31 +0000 | [diff] [blame] | 237 | CHECK_EQ(NEW_SPACE, |
whesse@chromium.org | 4a5224e | 2010-10-20 12:37:07 +0000 | [diff] [blame] | 238 | Failure::RetryAfterGC(NEW_SPACE)->allocation_space()); |
ager@chromium.org | 9258b6b | 2008-09-11 09:11:10 +0000 | [diff] [blame] | 239 | CHECK_EQ(OLD_POINTER_SPACE, |
whesse@chromium.org | 4a5224e | 2010-10-20 12:37:07 +0000 | [diff] [blame] | 240 | Failure::RetryAfterGC(OLD_POINTER_SPACE)->allocation_space()); |
mads.s.ager@gmail.com | 9a4089a | 2008-09-01 08:55:01 +0000 | [diff] [blame] | 241 | CHECK(Failure::Exception()->IsFailure()); |
| 242 | CHECK(Smi::FromInt(Smi::kMinValue)->IsSmi()); |
| 243 | CHECK(Smi::FromInt(Smi::kMaxValue)->IsSmi()); |
| 244 | } |
| 245 | |
| 246 | |
| 247 | TEST(GarbageCollection) { |
mstarzinger@chromium.org | e27d617 | 2013-04-17 11:51:44 +0000 | [diff] [blame^] | 248 | CcTest::InitializeVM(); |
yangguo@chromium.org | c03a192 | 2013-02-19 13:55:47 +0000 | [diff] [blame] | 249 | Isolate* isolate = Isolate::Current(); |
| 250 | Heap* heap = isolate->heap(); |
| 251 | Factory* factory = isolate->factory(); |
mads.s.ager@gmail.com | 9a4089a | 2008-09-01 08:55:01 +0000 | [diff] [blame] | 252 | |
svenpanne@chromium.org | 2bda543 | 2013-03-15 12:39:50 +0000 | [diff] [blame] | 253 | HandleScope sc(isolate); |
ager@chromium.org | ce5e87b | 2010-03-10 10:24:18 +0000 | [diff] [blame] | 254 | // Check GC. |
yangguo@chromium.org | c03a192 | 2013-02-19 13:55:47 +0000 | [diff] [blame] | 255 | heap->CollectGarbage(NEW_SPACE); |
mads.s.ager@gmail.com | 9a4089a | 2008-09-01 08:55:01 +0000 | [diff] [blame] | 256 | |
yangguo@chromium.org | 4a9f655 | 2013-03-04 14:46:33 +0000 | [diff] [blame] | 257 | Handle<String> name = factory->InternalizeUtf8String("theFunction"); |
| 258 | Handle<String> prop_name = factory->InternalizeUtf8String("theSlot"); |
| 259 | Handle<String> prop_namex = factory->InternalizeUtf8String("theSlotx"); |
| 260 | Handle<String> obj_name = factory->InternalizeUtf8String("theObject"); |
mads.s.ager@gmail.com | 9a4089a | 2008-09-01 08:55:01 +0000 | [diff] [blame] | 261 | |
ager@chromium.org | ce5e87b | 2010-03-10 10:24:18 +0000 | [diff] [blame] | 262 | { |
yangguo@chromium.org | c03a192 | 2013-02-19 13:55:47 +0000 | [diff] [blame] | 263 | HandleScope inner_scope(isolate); |
ager@chromium.org | ce5e87b | 2010-03-10 10:24:18 +0000 | [diff] [blame] | 264 | // Allocate a function and keep it in global object's property. |
| 265 | Handle<JSFunction> function = |
yangguo@chromium.org | c03a192 | 2013-02-19 13:55:47 +0000 | [diff] [blame] | 266 | factory->NewFunction(name, factory->undefined_value()); |
ager@chromium.org | ce5e87b | 2010-03-10 10:24:18 +0000 | [diff] [blame] | 267 | Handle<Map> initial_map = |
yangguo@chromium.org | c03a192 | 2013-02-19 13:55:47 +0000 | [diff] [blame] | 268 | factory->NewMap(JS_OBJECT_TYPE, JSObject::kHeaderSize); |
ager@chromium.org | ce5e87b | 2010-03-10 10:24:18 +0000 | [diff] [blame] | 269 | function->set_initial_map(*initial_map); |
yangguo@chromium.org | 46839fb | 2012-08-28 09:06:19 +0000 | [diff] [blame] | 270 | Isolate::Current()->context()->global_object()->SetProperty( |
ager@chromium.org | 9ee27ae | 2011-03-02 13:43:26 +0000 | [diff] [blame] | 271 | *name, *function, NONE, kNonStrictMode)->ToObjectChecked(); |
ager@chromium.org | ce5e87b | 2010-03-10 10:24:18 +0000 | [diff] [blame] | 272 | // Allocate an object. Unrooted after leaving the scope. |
yangguo@chromium.org | c03a192 | 2013-02-19 13:55:47 +0000 | [diff] [blame] | 273 | Handle<JSObject> obj = factory->NewJSObject(function); |
ager@chromium.org | 9ee27ae | 2011-03-02 13:43:26 +0000 | [diff] [blame] | 274 | obj->SetProperty( |
| 275 | *prop_name, Smi::FromInt(23), NONE, kNonStrictMode)->ToObjectChecked(); |
| 276 | obj->SetProperty( |
| 277 | *prop_namex, Smi::FromInt(24), NONE, kNonStrictMode)->ToObjectChecked(); |
mads.s.ager@gmail.com | 9a4089a | 2008-09-01 08:55:01 +0000 | [diff] [blame] | 278 | |
ager@chromium.org | ce5e87b | 2010-03-10 10:24:18 +0000 | [diff] [blame] | 279 | CHECK_EQ(Smi::FromInt(23), obj->GetProperty(*prop_name)); |
| 280 | CHECK_EQ(Smi::FromInt(24), obj->GetProperty(*prop_namex)); |
| 281 | } |
mads.s.ager@gmail.com | 9a4089a | 2008-09-01 08:55:01 +0000 | [diff] [blame] | 282 | |
yangguo@chromium.org | c03a192 | 2013-02-19 13:55:47 +0000 | [diff] [blame] | 283 | heap->CollectGarbage(NEW_SPACE); |
mads.s.ager@gmail.com | 9a4089a | 2008-09-01 08:55:01 +0000 | [diff] [blame] | 284 | |
ager@chromium.org | ce5e87b | 2010-03-10 10:24:18 +0000 | [diff] [blame] | 285 | // Function should be alive. |
yangguo@chromium.org | 46839fb | 2012-08-28 09:06:19 +0000 | [diff] [blame] | 286 | CHECK(Isolate::Current()->context()->global_object()-> |
| 287 | HasLocalProperty(*name)); |
ager@chromium.org | ce5e87b | 2010-03-10 10:24:18 +0000 | [diff] [blame] | 288 | // Check function is retained. |
yangguo@chromium.org | 46839fb | 2012-08-28 09:06:19 +0000 | [diff] [blame] | 289 | Object* func_value = Isolate::Current()->context()->global_object()-> |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 290 | GetProperty(*name)->ToObjectChecked(); |
mads.s.ager@gmail.com | 9a4089a | 2008-09-01 08:55:01 +0000 | [diff] [blame] | 291 | CHECK(func_value->IsJSFunction()); |
ager@chromium.org | ce5e87b | 2010-03-10 10:24:18 +0000 | [diff] [blame] | 292 | Handle<JSFunction> function(JSFunction::cast(func_value)); |
mads.s.ager@gmail.com | 9a4089a | 2008-09-01 08:55:01 +0000 | [diff] [blame] | 293 | |
ager@chromium.org | ce5e87b | 2010-03-10 10:24:18 +0000 | [diff] [blame] | 294 | { |
yangguo@chromium.org | c03a192 | 2013-02-19 13:55:47 +0000 | [diff] [blame] | 295 | HandleScope inner_scope(isolate); |
ager@chromium.org | ce5e87b | 2010-03-10 10:24:18 +0000 | [diff] [blame] | 296 | // Allocate another object, make it reachable from global. |
yangguo@chromium.org | c03a192 | 2013-02-19 13:55:47 +0000 | [diff] [blame] | 297 | Handle<JSObject> obj = factory->NewJSObject(function); |
yangguo@chromium.org | 46839fb | 2012-08-28 09:06:19 +0000 | [diff] [blame] | 298 | Isolate::Current()->context()->global_object()->SetProperty( |
ager@chromium.org | 9ee27ae | 2011-03-02 13:43:26 +0000 | [diff] [blame] | 299 | *obj_name, *obj, NONE, kNonStrictMode)->ToObjectChecked(); |
| 300 | obj->SetProperty( |
| 301 | *prop_name, Smi::FromInt(23), NONE, kNonStrictMode)->ToObjectChecked(); |
ager@chromium.org | ce5e87b | 2010-03-10 10:24:18 +0000 | [diff] [blame] | 302 | } |
mads.s.ager@gmail.com | 9a4089a | 2008-09-01 08:55:01 +0000 | [diff] [blame] | 303 | |
ager@chromium.org | ce5e87b | 2010-03-10 10:24:18 +0000 | [diff] [blame] | 304 | // After gc, it should survive. |
yangguo@chromium.org | c03a192 | 2013-02-19 13:55:47 +0000 | [diff] [blame] | 305 | heap->CollectGarbage(NEW_SPACE); |
mads.s.ager@gmail.com | 9a4089a | 2008-09-01 08:55:01 +0000 | [diff] [blame] | 306 | |
yangguo@chromium.org | 46839fb | 2012-08-28 09:06:19 +0000 | [diff] [blame] | 307 | CHECK(Isolate::Current()->context()->global_object()-> |
| 308 | HasLocalProperty(*obj_name)); |
| 309 | CHECK(Isolate::Current()->context()->global_object()-> |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 310 | GetProperty(*obj_name)->ToObjectChecked()->IsJSObject()); |
yangguo@chromium.org | 46839fb | 2012-08-28 09:06:19 +0000 | [diff] [blame] | 311 | Object* obj = Isolate::Current()->context()->global_object()-> |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 312 | GetProperty(*obj_name)->ToObjectChecked(); |
lrn@chromium.org | 303ada7 | 2010-10-27 09:33:13 +0000 | [diff] [blame] | 313 | JSObject* js_obj = JSObject::cast(obj); |
| 314 | CHECK_EQ(Smi::FromInt(23), js_obj->GetProperty(*prop_name)); |
mads.s.ager@gmail.com | 9a4089a | 2008-09-01 08:55:01 +0000 | [diff] [blame] | 315 | } |
| 316 | |
| 317 | |
svenpanne@chromium.org | 2bda543 | 2013-03-15 12:39:50 +0000 | [diff] [blame] | 318 | static void VerifyStringAllocation(Isolate* isolate, const char* string) { |
| 319 | HandleScope scope(isolate); |
| 320 | Handle<String> s = isolate->factory()->NewStringFromUtf8(CStrVector(string)); |
ager@chromium.org | c4c9272 | 2009-11-18 14:12:51 +0000 | [diff] [blame] | 321 | CHECK_EQ(StrLength(string), s->length()); |
ager@chromium.org | bb29dc9 | 2009-03-24 13:25:23 +0000 | [diff] [blame] | 322 | for (int index = 0; index < s->length(); index++) { |
ager@chromium.org | ce5e87b | 2010-03-10 10:24:18 +0000 | [diff] [blame] | 323 | CHECK_EQ(static_cast<uint16_t>(string[index]), s->Get(index)); |
| 324 | } |
mads.s.ager@gmail.com | 9a4089a | 2008-09-01 08:55:01 +0000 | [diff] [blame] | 325 | } |
| 326 | |
| 327 | |
| 328 | TEST(String) { |
mstarzinger@chromium.org | e27d617 | 2013-04-17 11:51:44 +0000 | [diff] [blame^] | 329 | CcTest::InitializeVM(); |
| 330 | Isolate* isolate = reinterpret_cast<Isolate*>(CcTest::isolate()); |
mads.s.ager@gmail.com | 9a4089a | 2008-09-01 08:55:01 +0000 | [diff] [blame] | 331 | |
svenpanne@chromium.org | 2bda543 | 2013-03-15 12:39:50 +0000 | [diff] [blame] | 332 | VerifyStringAllocation(isolate, "a"); |
| 333 | VerifyStringAllocation(isolate, "ab"); |
| 334 | VerifyStringAllocation(isolate, "abc"); |
| 335 | VerifyStringAllocation(isolate, "abcd"); |
| 336 | VerifyStringAllocation(isolate, "fiskerdrengen er paa havet"); |
mads.s.ager@gmail.com | 9a4089a | 2008-09-01 08:55:01 +0000 | [diff] [blame] | 337 | } |
| 338 | |
| 339 | |
| 340 | TEST(LocalHandles) { |
mstarzinger@chromium.org | e27d617 | 2013-04-17 11:51:44 +0000 | [diff] [blame^] | 341 | CcTest::InitializeVM(); |
mads.s.ager@gmail.com | 9a4089a | 2008-09-01 08:55:01 +0000 | [diff] [blame] | 342 | |
mstarzinger@chromium.org | e27d617 | 2013-04-17 11:51:44 +0000 | [diff] [blame^] | 343 | v8::HandleScope scope(CcTest::isolate()); |
mads.s.ager@gmail.com | 9a4089a | 2008-09-01 08:55:01 +0000 | [diff] [blame] | 344 | const char* name = "Kasper the spunky"; |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 345 | Handle<String> string = FACTORY->NewStringFromAscii(CStrVector(name)); |
ager@chromium.org | c4c9272 | 2009-11-18 14:12:51 +0000 | [diff] [blame] | 346 | CHECK_EQ(StrLength(name), string->length()); |
mads.s.ager@gmail.com | 9a4089a | 2008-09-01 08:55:01 +0000 | [diff] [blame] | 347 | } |
| 348 | |
| 349 | |
| 350 | TEST(GlobalHandles) { |
mstarzinger@chromium.org | e27d617 | 2013-04-17 11:51:44 +0000 | [diff] [blame^] | 351 | CcTest::InitializeVM(); |
yangguo@chromium.org | c03a192 | 2013-02-19 13:55:47 +0000 | [diff] [blame] | 352 | Isolate* isolate = Isolate::Current(); |
| 353 | Heap* heap = isolate->heap(); |
| 354 | Factory* factory = isolate->factory(); |
| 355 | GlobalHandles* global_handles = isolate->global_handles(); |
mads.s.ager@gmail.com | 9a4089a | 2008-09-01 08:55:01 +0000 | [diff] [blame] | 356 | |
ager@chromium.org | ce5e87b | 2010-03-10 10:24:18 +0000 | [diff] [blame] | 357 | Handle<Object> h1; |
| 358 | Handle<Object> h2; |
| 359 | Handle<Object> h3; |
| 360 | Handle<Object> h4; |
mads.s.ager@gmail.com | 9a4089a | 2008-09-01 08:55:01 +0000 | [diff] [blame] | 361 | |
ager@chromium.org | ce5e87b | 2010-03-10 10:24:18 +0000 | [diff] [blame] | 362 | { |
yangguo@chromium.org | c03a192 | 2013-02-19 13:55:47 +0000 | [diff] [blame] | 363 | HandleScope scope(isolate); |
ager@chromium.org | ce5e87b | 2010-03-10 10:24:18 +0000 | [diff] [blame] | 364 | |
yangguo@chromium.org | c03a192 | 2013-02-19 13:55:47 +0000 | [diff] [blame] | 365 | Handle<Object> i = factory->NewStringFromAscii(CStrVector("fisk")); |
| 366 | Handle<Object> u = factory->NewNumber(1.12344); |
ager@chromium.org | ce5e87b | 2010-03-10 10:24:18 +0000 | [diff] [blame] | 367 | |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 368 | h1 = global_handles->Create(*i); |
| 369 | h2 = global_handles->Create(*u); |
| 370 | h3 = global_handles->Create(*i); |
| 371 | h4 = global_handles->Create(*u); |
ager@chromium.org | ce5e87b | 2010-03-10 10:24:18 +0000 | [diff] [blame] | 372 | } |
mads.s.ager@gmail.com | 9a4089a | 2008-09-01 08:55:01 +0000 | [diff] [blame] | 373 | |
| 374 | // after gc, it should survive |
yangguo@chromium.org | c03a192 | 2013-02-19 13:55:47 +0000 | [diff] [blame] | 375 | heap->CollectGarbage(NEW_SPACE); |
mads.s.ager@gmail.com | 9a4089a | 2008-09-01 08:55:01 +0000 | [diff] [blame] | 376 | |
| 377 | CHECK((*h1)->IsString()); |
| 378 | CHECK((*h2)->IsHeapNumber()); |
| 379 | CHECK((*h3)->IsString()); |
| 380 | CHECK((*h4)->IsHeapNumber()); |
| 381 | |
| 382 | CHECK_EQ(*h3, *h1); |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 383 | global_handles->Destroy(h1.location()); |
| 384 | global_handles->Destroy(h3.location()); |
mads.s.ager@gmail.com | 9a4089a | 2008-09-01 08:55:01 +0000 | [diff] [blame] | 385 | |
| 386 | CHECK_EQ(*h4, *h2); |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 387 | global_handles->Destroy(h2.location()); |
| 388 | global_handles->Destroy(h4.location()); |
mads.s.ager@gmail.com | 9a4089a | 2008-09-01 08:55:01 +0000 | [diff] [blame] | 389 | } |
| 390 | |
| 391 | |
| 392 | static bool WeakPointerCleared = false; |
| 393 | |
mvstanton@chromium.org | d16d853 | 2013-01-25 13:29:10 +0000 | [diff] [blame] | 394 | static void TestWeakGlobalHandleCallback(v8::Isolate* isolate, |
| 395 | v8::Persistent<v8::Value> handle, |
mads.s.ager@gmail.com | 9a4089a | 2008-09-01 08:55:01 +0000 | [diff] [blame] | 396 | void* id) { |
kasperl@chromium.org | 71affb5 | 2009-05-26 05:44:31 +0000 | [diff] [blame] | 397 | if (1234 == reinterpret_cast<intptr_t>(id)) WeakPointerCleared = true; |
mvstanton@chromium.org | d16d853 | 2013-01-25 13:29:10 +0000 | [diff] [blame] | 398 | handle.Dispose(isolate); |
mads.s.ager@gmail.com | 9a4089a | 2008-09-01 08:55:01 +0000 | [diff] [blame] | 399 | } |
| 400 | |
| 401 | |
| 402 | TEST(WeakGlobalHandlesScavenge) { |
mstarzinger@chromium.org | e27d617 | 2013-04-17 11:51:44 +0000 | [diff] [blame^] | 403 | CcTest::InitializeVM(); |
yangguo@chromium.org | c03a192 | 2013-02-19 13:55:47 +0000 | [diff] [blame] | 404 | Isolate* isolate = Isolate::Current(); |
| 405 | Heap* heap = isolate->heap(); |
| 406 | Factory* factory = isolate->factory(); |
| 407 | GlobalHandles* global_handles = isolate->global_handles(); |
mads.s.ager@gmail.com | 9a4089a | 2008-09-01 08:55:01 +0000 | [diff] [blame] | 408 | |
| 409 | WeakPointerCleared = false; |
| 410 | |
ager@chromium.org | ce5e87b | 2010-03-10 10:24:18 +0000 | [diff] [blame] | 411 | Handle<Object> h1; |
| 412 | Handle<Object> h2; |
mads.s.ager@gmail.com | 9a4089a | 2008-09-01 08:55:01 +0000 | [diff] [blame] | 413 | |
ager@chromium.org | ce5e87b | 2010-03-10 10:24:18 +0000 | [diff] [blame] | 414 | { |
yangguo@chromium.org | c03a192 | 2013-02-19 13:55:47 +0000 | [diff] [blame] | 415 | HandleScope scope(isolate); |
ager@chromium.org | ce5e87b | 2010-03-10 10:24:18 +0000 | [diff] [blame] | 416 | |
yangguo@chromium.org | c03a192 | 2013-02-19 13:55:47 +0000 | [diff] [blame] | 417 | Handle<Object> i = factory->NewStringFromAscii(CStrVector("fisk")); |
| 418 | Handle<Object> u = factory->NewNumber(1.12344); |
ager@chromium.org | ce5e87b | 2010-03-10 10:24:18 +0000 | [diff] [blame] | 419 | |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 420 | h1 = global_handles->Create(*i); |
| 421 | h2 = global_handles->Create(*u); |
ager@chromium.org | ce5e87b | 2010-03-10 10:24:18 +0000 | [diff] [blame] | 422 | } |
mads.s.ager@gmail.com | 9a4089a | 2008-09-01 08:55:01 +0000 | [diff] [blame] | 423 | |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 424 | global_handles->MakeWeak(h2.location(), |
| 425 | reinterpret_cast<void*>(1234), |
mvstanton@chromium.org | d16d853 | 2013-01-25 13:29:10 +0000 | [diff] [blame] | 426 | NULL, |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 427 | &TestWeakGlobalHandleCallback); |
mads.s.ager@gmail.com | 9a4089a | 2008-09-01 08:55:01 +0000 | [diff] [blame] | 428 | |
| 429 | // Scavenge treats weak pointers as normal roots. |
yangguo@chromium.org | c03a192 | 2013-02-19 13:55:47 +0000 | [diff] [blame] | 430 | heap->PerformScavenge(); |
mads.s.ager@gmail.com | 9a4089a | 2008-09-01 08:55:01 +0000 | [diff] [blame] | 431 | |
| 432 | CHECK((*h1)->IsString()); |
| 433 | CHECK((*h2)->IsHeapNumber()); |
| 434 | |
| 435 | CHECK(!WeakPointerCleared); |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 436 | CHECK(!global_handles->IsNearDeath(h2.location())); |
| 437 | CHECK(!global_handles->IsNearDeath(h1.location())); |
mads.s.ager@gmail.com | 9a4089a | 2008-09-01 08:55:01 +0000 | [diff] [blame] | 438 | |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 439 | global_handles->Destroy(h1.location()); |
| 440 | global_handles->Destroy(h2.location()); |
mads.s.ager@gmail.com | 9a4089a | 2008-09-01 08:55:01 +0000 | [diff] [blame] | 441 | } |
| 442 | |
| 443 | |
| 444 | TEST(WeakGlobalHandlesMark) { |
mstarzinger@chromium.org | e27d617 | 2013-04-17 11:51:44 +0000 | [diff] [blame^] | 445 | CcTest::InitializeVM(); |
yangguo@chromium.org | c03a192 | 2013-02-19 13:55:47 +0000 | [diff] [blame] | 446 | Isolate* isolate = Isolate::Current(); |
| 447 | Heap* heap = isolate->heap(); |
| 448 | Factory* factory = isolate->factory(); |
| 449 | GlobalHandles* global_handles = isolate->global_handles(); |
mads.s.ager@gmail.com | 9a4089a | 2008-09-01 08:55:01 +0000 | [diff] [blame] | 450 | |
| 451 | WeakPointerCleared = false; |
| 452 | |
ager@chromium.org | ce5e87b | 2010-03-10 10:24:18 +0000 | [diff] [blame] | 453 | Handle<Object> h1; |
| 454 | Handle<Object> h2; |
mads.s.ager@gmail.com | 9a4089a | 2008-09-01 08:55:01 +0000 | [diff] [blame] | 455 | |
ager@chromium.org | ce5e87b | 2010-03-10 10:24:18 +0000 | [diff] [blame] | 456 | { |
yangguo@chromium.org | c03a192 | 2013-02-19 13:55:47 +0000 | [diff] [blame] | 457 | HandleScope scope(isolate); |
ager@chromium.org | ce5e87b | 2010-03-10 10:24:18 +0000 | [diff] [blame] | 458 | |
yangguo@chromium.org | c03a192 | 2013-02-19 13:55:47 +0000 | [diff] [blame] | 459 | Handle<Object> i = factory->NewStringFromAscii(CStrVector("fisk")); |
| 460 | Handle<Object> u = factory->NewNumber(1.12344); |
ager@chromium.org | ce5e87b | 2010-03-10 10:24:18 +0000 | [diff] [blame] | 461 | |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 462 | h1 = global_handles->Create(*i); |
| 463 | h2 = global_handles->Create(*u); |
ager@chromium.org | ce5e87b | 2010-03-10 10:24:18 +0000 | [diff] [blame] | 464 | } |
mads.s.ager@gmail.com | 9a4089a | 2008-09-01 08:55:01 +0000 | [diff] [blame] | 465 | |
jkummerow@chromium.org | 5323a9c | 2012-12-10 19:00:50 +0000 | [diff] [blame] | 466 | // Make sure the objects are promoted. |
yangguo@chromium.org | c03a192 | 2013-02-19 13:55:47 +0000 | [diff] [blame] | 467 | heap->CollectGarbage(OLD_POINTER_SPACE); |
| 468 | heap->CollectGarbage(NEW_SPACE); |
| 469 | CHECK(!heap->InNewSpace(*h1) && !heap->InNewSpace(*h2)); |
mads.s.ager@gmail.com | 9a4089a | 2008-09-01 08:55:01 +0000 | [diff] [blame] | 470 | |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 471 | global_handles->MakeWeak(h2.location(), |
| 472 | reinterpret_cast<void*>(1234), |
mvstanton@chromium.org | d16d853 | 2013-01-25 13:29:10 +0000 | [diff] [blame] | 473 | NULL, |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 474 | &TestWeakGlobalHandleCallback); |
mads.s.ager@gmail.com | 9a4089a | 2008-09-01 08:55:01 +0000 | [diff] [blame] | 475 | CHECK(!GlobalHandles::IsNearDeath(h1.location())); |
| 476 | CHECK(!GlobalHandles::IsNearDeath(h2.location())); |
| 477 | |
jkummerow@chromium.org | 5323a9c | 2012-12-10 19:00:50 +0000 | [diff] [blame] | 478 | // Incremental marking potentially marked handles before they turned weak. |
yangguo@chromium.org | c03a192 | 2013-02-19 13:55:47 +0000 | [diff] [blame] | 479 | heap->CollectAllGarbage(Heap::kAbortIncrementalMarkingMask); |
mads.s.ager@gmail.com | 9a4089a | 2008-09-01 08:55:01 +0000 | [diff] [blame] | 480 | |
| 481 | CHECK((*h1)->IsString()); |
| 482 | |
| 483 | CHECK(WeakPointerCleared); |
| 484 | CHECK(!GlobalHandles::IsNearDeath(h1.location())); |
mads.s.ager@gmail.com | 9a4089a | 2008-09-01 08:55:01 +0000 | [diff] [blame] | 485 | |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 486 | global_handles->Destroy(h1.location()); |
mads.s.ager@gmail.com | 9a4089a | 2008-09-01 08:55:01 +0000 | [diff] [blame] | 487 | } |
| 488 | |
mstarzinger@chromium.org | 471f2f1 | 2012-08-10 14:46:33 +0000 | [diff] [blame] | 489 | |
mads.s.ager@gmail.com | 9a4089a | 2008-09-01 08:55:01 +0000 | [diff] [blame] | 490 | TEST(DeleteWeakGlobalHandle) { |
mstarzinger@chromium.org | e27d617 | 2013-04-17 11:51:44 +0000 | [diff] [blame^] | 491 | CcTest::InitializeVM(); |
yangguo@chromium.org | c03a192 | 2013-02-19 13:55:47 +0000 | [diff] [blame] | 492 | Isolate* isolate = Isolate::Current(); |
| 493 | Heap* heap = isolate->heap(); |
| 494 | Factory* factory = isolate->factory(); |
| 495 | GlobalHandles* global_handles = isolate->global_handles(); |
mads.s.ager@gmail.com | 9a4089a | 2008-09-01 08:55:01 +0000 | [diff] [blame] | 496 | |
| 497 | WeakPointerCleared = false; |
| 498 | |
ager@chromium.org | ce5e87b | 2010-03-10 10:24:18 +0000 | [diff] [blame] | 499 | Handle<Object> h; |
| 500 | |
| 501 | { |
yangguo@chromium.org | c03a192 | 2013-02-19 13:55:47 +0000 | [diff] [blame] | 502 | HandleScope scope(isolate); |
ager@chromium.org | ce5e87b | 2010-03-10 10:24:18 +0000 | [diff] [blame] | 503 | |
yangguo@chromium.org | c03a192 | 2013-02-19 13:55:47 +0000 | [diff] [blame] | 504 | Handle<Object> i = factory->NewStringFromAscii(CStrVector("fisk")); |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 505 | h = global_handles->Create(*i); |
ager@chromium.org | ce5e87b | 2010-03-10 10:24:18 +0000 | [diff] [blame] | 506 | } |
mads.s.ager@gmail.com | 9a4089a | 2008-09-01 08:55:01 +0000 | [diff] [blame] | 507 | |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 508 | global_handles->MakeWeak(h.location(), |
| 509 | reinterpret_cast<void*>(1234), |
mvstanton@chromium.org | d16d853 | 2013-01-25 13:29:10 +0000 | [diff] [blame] | 510 | NULL, |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 511 | &TestWeakGlobalHandleCallback); |
mads.s.ager@gmail.com | 9a4089a | 2008-09-01 08:55:01 +0000 | [diff] [blame] | 512 | |
| 513 | // Scanvenge does not recognize weak reference. |
yangguo@chromium.org | c03a192 | 2013-02-19 13:55:47 +0000 | [diff] [blame] | 514 | heap->PerformScavenge(); |
mads.s.ager@gmail.com | 9a4089a | 2008-09-01 08:55:01 +0000 | [diff] [blame] | 515 | |
| 516 | CHECK(!WeakPointerCleared); |
| 517 | |
| 518 | // Mark-compact treats weak reference properly. |
yangguo@chromium.org | c03a192 | 2013-02-19 13:55:47 +0000 | [diff] [blame] | 519 | heap->CollectGarbage(OLD_POINTER_SPACE); |
mads.s.ager@gmail.com | 9a4089a | 2008-09-01 08:55:01 +0000 | [diff] [blame] | 520 | |
| 521 | CHECK(WeakPointerCleared); |
| 522 | } |
| 523 | |
mstarzinger@chromium.org | 471f2f1 | 2012-08-10 14:46:33 +0000 | [diff] [blame] | 524 | |
mads.s.ager@gmail.com | 9a4089a | 2008-09-01 08:55:01 +0000 | [diff] [blame] | 525 | static const char* not_so_random_string_table[] = { |
| 526 | "abstract", |
| 527 | "boolean", |
| 528 | "break", |
| 529 | "byte", |
| 530 | "case", |
| 531 | "catch", |
| 532 | "char", |
| 533 | "class", |
| 534 | "const", |
| 535 | "continue", |
| 536 | "debugger", |
| 537 | "default", |
| 538 | "delete", |
| 539 | "do", |
| 540 | "double", |
| 541 | "else", |
| 542 | "enum", |
| 543 | "export", |
| 544 | "extends", |
| 545 | "false", |
| 546 | "final", |
| 547 | "finally", |
| 548 | "float", |
| 549 | "for", |
| 550 | "function", |
| 551 | "goto", |
| 552 | "if", |
| 553 | "implements", |
| 554 | "import", |
| 555 | "in", |
| 556 | "instanceof", |
| 557 | "int", |
| 558 | "interface", |
| 559 | "long", |
| 560 | "native", |
| 561 | "new", |
| 562 | "null", |
| 563 | "package", |
| 564 | "private", |
| 565 | "protected", |
| 566 | "public", |
| 567 | "return", |
| 568 | "short", |
| 569 | "static", |
| 570 | "super", |
| 571 | "switch", |
| 572 | "synchronized", |
| 573 | "this", |
| 574 | "throw", |
| 575 | "throws", |
| 576 | "transient", |
| 577 | "true", |
| 578 | "try", |
| 579 | "typeof", |
| 580 | "var", |
| 581 | "void", |
| 582 | "volatile", |
| 583 | "while", |
| 584 | "with", |
| 585 | 0 |
| 586 | }; |
| 587 | |
| 588 | |
yangguo@chromium.org | 4a9f655 | 2013-03-04 14:46:33 +0000 | [diff] [blame] | 589 | static void CheckInternalizedStrings(const char** strings) { |
mads.s.ager@gmail.com | 9a4089a | 2008-09-01 08:55:01 +0000 | [diff] [blame] | 590 | for (const char* string = *strings; *strings != 0; string = *strings++) { |
lrn@chromium.org | 303ada7 | 2010-10-27 09:33:13 +0000 | [diff] [blame] | 591 | Object* a; |
yangguo@chromium.org | 4a9f655 | 2013-03-04 14:46:33 +0000 | [diff] [blame] | 592 | MaybeObject* maybe_a = HEAP->InternalizeUtf8String(string); |
| 593 | // InternalizeUtf8String may return a failure if a GC is needed. |
lrn@chromium.org | 303ada7 | 2010-10-27 09:33:13 +0000 | [diff] [blame] | 594 | if (!maybe_a->ToObject(&a)) continue; |
yangguo@chromium.org | 4a9f655 | 2013-03-04 14:46:33 +0000 | [diff] [blame] | 595 | CHECK(a->IsInternalizedString()); |
lrn@chromium.org | 303ada7 | 2010-10-27 09:33:13 +0000 | [diff] [blame] | 596 | Object* b; |
yangguo@chromium.org | 4a9f655 | 2013-03-04 14:46:33 +0000 | [diff] [blame] | 597 | MaybeObject* maybe_b = HEAP->InternalizeUtf8String(string); |
lrn@chromium.org | 303ada7 | 2010-10-27 09:33:13 +0000 | [diff] [blame] | 598 | if (!maybe_b->ToObject(&b)) continue; |
mads.s.ager@gmail.com | 9a4089a | 2008-09-01 08:55:01 +0000 | [diff] [blame] | 599 | CHECK_EQ(b, a); |
jkummerow@chromium.org | 59297c7 | 2013-01-09 16:32:23 +0000 | [diff] [blame] | 600 | CHECK(String::cast(b)->IsUtf8EqualTo(CStrVector(string))); |
mads.s.ager@gmail.com | 9a4089a | 2008-09-01 08:55:01 +0000 | [diff] [blame] | 601 | } |
| 602 | } |
| 603 | |
| 604 | |
yangguo@chromium.org | 4a9f655 | 2013-03-04 14:46:33 +0000 | [diff] [blame] | 605 | TEST(StringTable) { |
mstarzinger@chromium.org | e27d617 | 2013-04-17 11:51:44 +0000 | [diff] [blame^] | 606 | CcTest::InitializeVM(); |
mads.s.ager@gmail.com | 9a4089a | 2008-09-01 08:55:01 +0000 | [diff] [blame] | 607 | |
yangguo@chromium.org | 4a9f655 | 2013-03-04 14:46:33 +0000 | [diff] [blame] | 608 | CheckInternalizedStrings(not_so_random_string_table); |
| 609 | CheckInternalizedStrings(not_so_random_string_table); |
mads.s.ager@gmail.com | 9a4089a | 2008-09-01 08:55:01 +0000 | [diff] [blame] | 610 | } |
| 611 | |
| 612 | |
| 613 | TEST(FunctionAllocation) { |
mstarzinger@chromium.org | e27d617 | 2013-04-17 11:51:44 +0000 | [diff] [blame^] | 614 | CcTest::InitializeVM(); |
mads.s.ager@gmail.com | 9a4089a | 2008-09-01 08:55:01 +0000 | [diff] [blame] | 615 | |
mstarzinger@chromium.org | e27d617 | 2013-04-17 11:51:44 +0000 | [diff] [blame^] | 616 | v8::HandleScope sc(CcTest::isolate()); |
yangguo@chromium.org | 4a9f655 | 2013-03-04 14:46:33 +0000 | [diff] [blame] | 617 | Handle<String> name = FACTORY->InternalizeUtf8String("theFunction"); |
ager@chromium.org | ce5e87b | 2010-03-10 10:24:18 +0000 | [diff] [blame] | 618 | Handle<JSFunction> function = |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 619 | FACTORY->NewFunction(name, FACTORY->undefined_value()); |
ager@chromium.org | ce5e87b | 2010-03-10 10:24:18 +0000 | [diff] [blame] | 620 | Handle<Map> initial_map = |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 621 | FACTORY->NewMap(JS_OBJECT_TYPE, JSObject::kHeaderSize); |
ager@chromium.org | ce5e87b | 2010-03-10 10:24:18 +0000 | [diff] [blame] | 622 | function->set_initial_map(*initial_map); |
mads.s.ager@gmail.com | 9a4089a | 2008-09-01 08:55:01 +0000 | [diff] [blame] | 623 | |
yangguo@chromium.org | 4a9f655 | 2013-03-04 14:46:33 +0000 | [diff] [blame] | 624 | Handle<String> prop_name = FACTORY->InternalizeUtf8String("theSlot"); |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 625 | Handle<JSObject> obj = FACTORY->NewJSObject(function); |
ager@chromium.org | 9ee27ae | 2011-03-02 13:43:26 +0000 | [diff] [blame] | 626 | obj->SetProperty( |
| 627 | *prop_name, Smi::FromInt(23), NONE, kNonStrictMode)->ToObjectChecked(); |
ager@chromium.org | ce5e87b | 2010-03-10 10:24:18 +0000 | [diff] [blame] | 628 | CHECK_EQ(Smi::FromInt(23), obj->GetProperty(*prop_name)); |
mads.s.ager@gmail.com | 9a4089a | 2008-09-01 08:55:01 +0000 | [diff] [blame] | 629 | // Check that we can add properties to function objects. |
ager@chromium.org | 9ee27ae | 2011-03-02 13:43:26 +0000 | [diff] [blame] | 630 | function->SetProperty( |
| 631 | *prop_name, Smi::FromInt(24), NONE, kNonStrictMode)->ToObjectChecked(); |
ager@chromium.org | ce5e87b | 2010-03-10 10:24:18 +0000 | [diff] [blame] | 632 | CHECK_EQ(Smi::FromInt(24), function->GetProperty(*prop_name)); |
mads.s.ager@gmail.com | 9a4089a | 2008-09-01 08:55:01 +0000 | [diff] [blame] | 633 | } |
| 634 | |
| 635 | |
| 636 | TEST(ObjectProperties) { |
mstarzinger@chromium.org | e27d617 | 2013-04-17 11:51:44 +0000 | [diff] [blame^] | 637 | CcTest::InitializeVM(); |
mads.s.ager@gmail.com | 9a4089a | 2008-09-01 08:55:01 +0000 | [diff] [blame] | 638 | |
mstarzinger@chromium.org | e27d617 | 2013-04-17 11:51:44 +0000 | [diff] [blame^] | 639 | v8::HandleScope sc(CcTest::isolate()); |
yangguo@chromium.org | 4a9f655 | 2013-03-04 14:46:33 +0000 | [diff] [blame] | 640 | String* object_string = String::cast(HEAP->Object_string()); |
yangguo@chromium.org | 46839fb | 2012-08-28 09:06:19 +0000 | [diff] [blame] | 641 | Object* raw_object = Isolate::Current()->context()->global_object()-> |
yangguo@chromium.org | 4a9f655 | 2013-03-04 14:46:33 +0000 | [diff] [blame] | 642 | GetProperty(object_string)->ToObjectChecked(); |
lrn@chromium.org | 303ada7 | 2010-10-27 09:33:13 +0000 | [diff] [blame] | 643 | JSFunction* object_function = JSFunction::cast(raw_object); |
ager@chromium.org | ce5e87b | 2010-03-10 10:24:18 +0000 | [diff] [blame] | 644 | Handle<JSFunction> constructor(object_function); |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 645 | Handle<JSObject> obj = FACTORY->NewJSObject(constructor); |
yangguo@chromium.org | 4a9f655 | 2013-03-04 14:46:33 +0000 | [diff] [blame] | 646 | Handle<String> first = FACTORY->InternalizeUtf8String("first"); |
| 647 | Handle<String> second = FACTORY->InternalizeUtf8String("second"); |
mads.s.ager@gmail.com | 9a4089a | 2008-09-01 08:55:01 +0000 | [diff] [blame] | 648 | |
| 649 | // check for empty |
ager@chromium.org | ce5e87b | 2010-03-10 10:24:18 +0000 | [diff] [blame] | 650 | CHECK(!obj->HasLocalProperty(*first)); |
mads.s.ager@gmail.com | 9a4089a | 2008-09-01 08:55:01 +0000 | [diff] [blame] | 651 | |
| 652 | // add first |
ager@chromium.org | 9ee27ae | 2011-03-02 13:43:26 +0000 | [diff] [blame] | 653 | obj->SetProperty( |
| 654 | *first, Smi::FromInt(1), NONE, kNonStrictMode)->ToObjectChecked(); |
ager@chromium.org | ce5e87b | 2010-03-10 10:24:18 +0000 | [diff] [blame] | 655 | CHECK(obj->HasLocalProperty(*first)); |
mads.s.ager@gmail.com | 9a4089a | 2008-09-01 08:55:01 +0000 | [diff] [blame] | 656 | |
| 657 | // delete first |
ager@chromium.org | ce5e87b | 2010-03-10 10:24:18 +0000 | [diff] [blame] | 658 | CHECK(obj->DeleteProperty(*first, JSObject::NORMAL_DELETION)); |
| 659 | CHECK(!obj->HasLocalProperty(*first)); |
mads.s.ager@gmail.com | 9a4089a | 2008-09-01 08:55:01 +0000 | [diff] [blame] | 660 | |
| 661 | // add first and then second |
ager@chromium.org | 9ee27ae | 2011-03-02 13:43:26 +0000 | [diff] [blame] | 662 | obj->SetProperty( |
| 663 | *first, Smi::FromInt(1), NONE, kNonStrictMode)->ToObjectChecked(); |
| 664 | obj->SetProperty( |
| 665 | *second, Smi::FromInt(2), NONE, kNonStrictMode)->ToObjectChecked(); |
ager@chromium.org | ce5e87b | 2010-03-10 10:24:18 +0000 | [diff] [blame] | 666 | CHECK(obj->HasLocalProperty(*first)); |
| 667 | CHECK(obj->HasLocalProperty(*second)); |
mads.s.ager@gmail.com | 9a4089a | 2008-09-01 08:55:01 +0000 | [diff] [blame] | 668 | |
| 669 | // delete first and then second |
ager@chromium.org | ce5e87b | 2010-03-10 10:24:18 +0000 | [diff] [blame] | 670 | CHECK(obj->DeleteProperty(*first, JSObject::NORMAL_DELETION)); |
| 671 | CHECK(obj->HasLocalProperty(*second)); |
| 672 | CHECK(obj->DeleteProperty(*second, JSObject::NORMAL_DELETION)); |
| 673 | CHECK(!obj->HasLocalProperty(*first)); |
| 674 | CHECK(!obj->HasLocalProperty(*second)); |
mads.s.ager@gmail.com | 9a4089a | 2008-09-01 08:55:01 +0000 | [diff] [blame] | 675 | |
| 676 | // add first and then second |
ager@chromium.org | 9ee27ae | 2011-03-02 13:43:26 +0000 | [diff] [blame] | 677 | obj->SetProperty( |
| 678 | *first, Smi::FromInt(1), NONE, kNonStrictMode)->ToObjectChecked(); |
| 679 | obj->SetProperty( |
| 680 | *second, Smi::FromInt(2), NONE, kNonStrictMode)->ToObjectChecked(); |
ager@chromium.org | ce5e87b | 2010-03-10 10:24:18 +0000 | [diff] [blame] | 681 | CHECK(obj->HasLocalProperty(*first)); |
| 682 | CHECK(obj->HasLocalProperty(*second)); |
mads.s.ager@gmail.com | 9a4089a | 2008-09-01 08:55:01 +0000 | [diff] [blame] | 683 | |
| 684 | // delete second and then first |
ager@chromium.org | ce5e87b | 2010-03-10 10:24:18 +0000 | [diff] [blame] | 685 | CHECK(obj->DeleteProperty(*second, JSObject::NORMAL_DELETION)); |
| 686 | CHECK(obj->HasLocalProperty(*first)); |
| 687 | CHECK(obj->DeleteProperty(*first, JSObject::NORMAL_DELETION)); |
| 688 | CHECK(!obj->HasLocalProperty(*first)); |
| 689 | CHECK(!obj->HasLocalProperty(*second)); |
mads.s.ager@gmail.com | 9a4089a | 2008-09-01 08:55:01 +0000 | [diff] [blame] | 690 | |
yangguo@chromium.org | 4a9f655 | 2013-03-04 14:46:33 +0000 | [diff] [blame] | 691 | // check string and internalized string match |
danno@chromium.org | fa458e4 | 2012-02-01 10:48:36 +0000 | [diff] [blame] | 692 | const char* string1 = "fisk"; |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 693 | Handle<String> s1 = FACTORY->NewStringFromAscii(CStrVector(string1)); |
ager@chromium.org | 9ee27ae | 2011-03-02 13:43:26 +0000 | [diff] [blame] | 694 | obj->SetProperty( |
| 695 | *s1, Smi::FromInt(1), NONE, kNonStrictMode)->ToObjectChecked(); |
yangguo@chromium.org | 4a9f655 | 2013-03-04 14:46:33 +0000 | [diff] [blame] | 696 | Handle<String> s1_string = FACTORY->InternalizeUtf8String(string1); |
| 697 | CHECK(obj->HasLocalProperty(*s1_string)); |
mads.s.ager@gmail.com | 9a4089a | 2008-09-01 08:55:01 +0000 | [diff] [blame] | 698 | |
yangguo@chromium.org | 4a9f655 | 2013-03-04 14:46:33 +0000 | [diff] [blame] | 699 | // check internalized string and string match |
danno@chromium.org | fa458e4 | 2012-02-01 10:48:36 +0000 | [diff] [blame] | 700 | const char* string2 = "fugl"; |
yangguo@chromium.org | 4a9f655 | 2013-03-04 14:46:33 +0000 | [diff] [blame] | 701 | Handle<String> s2_string = FACTORY->InternalizeUtf8String(string2); |
ager@chromium.org | 9ee27ae | 2011-03-02 13:43:26 +0000 | [diff] [blame] | 702 | obj->SetProperty( |
yangguo@chromium.org | 4a9f655 | 2013-03-04 14:46:33 +0000 | [diff] [blame] | 703 | *s2_string, Smi::FromInt(1), NONE, kNonStrictMode)->ToObjectChecked(); |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 704 | Handle<String> s2 = FACTORY->NewStringFromAscii(CStrVector(string2)); |
ager@chromium.org | ce5e87b | 2010-03-10 10:24:18 +0000 | [diff] [blame] | 705 | CHECK(obj->HasLocalProperty(*s2)); |
mads.s.ager@gmail.com | 9a4089a | 2008-09-01 08:55:01 +0000 | [diff] [blame] | 706 | } |
| 707 | |
| 708 | |
| 709 | TEST(JSObjectMaps) { |
mstarzinger@chromium.org | e27d617 | 2013-04-17 11:51:44 +0000 | [diff] [blame^] | 710 | CcTest::InitializeVM(); |
mads.s.ager@gmail.com | 9a4089a | 2008-09-01 08:55:01 +0000 | [diff] [blame] | 711 | |
mstarzinger@chromium.org | e27d617 | 2013-04-17 11:51:44 +0000 | [diff] [blame^] | 712 | v8::HandleScope sc(CcTest::isolate()); |
yangguo@chromium.org | 4a9f655 | 2013-03-04 14:46:33 +0000 | [diff] [blame] | 713 | Handle<String> name = FACTORY->InternalizeUtf8String("theFunction"); |
ager@chromium.org | ce5e87b | 2010-03-10 10:24:18 +0000 | [diff] [blame] | 714 | Handle<JSFunction> function = |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 715 | FACTORY->NewFunction(name, FACTORY->undefined_value()); |
ager@chromium.org | ce5e87b | 2010-03-10 10:24:18 +0000 | [diff] [blame] | 716 | Handle<Map> initial_map = |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 717 | FACTORY->NewMap(JS_OBJECT_TYPE, JSObject::kHeaderSize); |
ager@chromium.org | ce5e87b | 2010-03-10 10:24:18 +0000 | [diff] [blame] | 718 | function->set_initial_map(*initial_map); |
| 719 | |
yangguo@chromium.org | 4a9f655 | 2013-03-04 14:46:33 +0000 | [diff] [blame] | 720 | Handle<String> prop_name = FACTORY->InternalizeUtf8String("theSlot"); |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 721 | Handle<JSObject> obj = FACTORY->NewJSObject(function); |
mads.s.ager@gmail.com | 9a4089a | 2008-09-01 08:55:01 +0000 | [diff] [blame] | 722 | |
| 723 | // Set a propery |
ager@chromium.org | 9ee27ae | 2011-03-02 13:43:26 +0000 | [diff] [blame] | 724 | obj->SetProperty( |
| 725 | *prop_name, Smi::FromInt(23), NONE, kNonStrictMode)->ToObjectChecked(); |
ager@chromium.org | ce5e87b | 2010-03-10 10:24:18 +0000 | [diff] [blame] | 726 | CHECK_EQ(Smi::FromInt(23), obj->GetProperty(*prop_name)); |
mads.s.ager@gmail.com | 9a4089a | 2008-09-01 08:55:01 +0000 | [diff] [blame] | 727 | |
| 728 | // Check the map has changed |
ager@chromium.org | ce5e87b | 2010-03-10 10:24:18 +0000 | [diff] [blame] | 729 | CHECK(*initial_map != obj->map()); |
mads.s.ager@gmail.com | 9a4089a | 2008-09-01 08:55:01 +0000 | [diff] [blame] | 730 | } |
| 731 | |
| 732 | |
| 733 | TEST(JSArray) { |
mstarzinger@chromium.org | e27d617 | 2013-04-17 11:51:44 +0000 | [diff] [blame^] | 734 | CcTest::InitializeVM(); |
mads.s.ager@gmail.com | 9a4089a | 2008-09-01 08:55:01 +0000 | [diff] [blame] | 735 | |
mstarzinger@chromium.org | e27d617 | 2013-04-17 11:51:44 +0000 | [diff] [blame^] | 736 | v8::HandleScope sc(CcTest::isolate()); |
yangguo@chromium.org | 4a9f655 | 2013-03-04 14:46:33 +0000 | [diff] [blame] | 737 | Handle<String> name = FACTORY->InternalizeUtf8String("Array"); |
yangguo@chromium.org | 46839fb | 2012-08-28 09:06:19 +0000 | [diff] [blame] | 738 | Object* raw_object = Isolate::Current()->context()->global_object()-> |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 739 | GetProperty(*name)->ToObjectChecked(); |
ager@chromium.org | ce5e87b | 2010-03-10 10:24:18 +0000 | [diff] [blame] | 740 | Handle<JSFunction> function = Handle<JSFunction>( |
lrn@chromium.org | 303ada7 | 2010-10-27 09:33:13 +0000 | [diff] [blame] | 741 | JSFunction::cast(raw_object)); |
mads.s.ager@gmail.com | 9a4089a | 2008-09-01 08:55:01 +0000 | [diff] [blame] | 742 | |
| 743 | // Allocate the object. |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 744 | Handle<JSObject> object = FACTORY->NewJSObject(function); |
ager@chromium.org | ce5e87b | 2010-03-10 10:24:18 +0000 | [diff] [blame] | 745 | Handle<JSArray> array = Handle<JSArray>::cast(object); |
ricow@chromium.org | d236f4d | 2010-09-01 06:52:08 +0000 | [diff] [blame] | 746 | // We just initialized the VM, no heap allocation failure yet. |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 747 | array->Initialize(0)->ToObjectChecked(); |
mads.s.ager@gmail.com | 9a4089a | 2008-09-01 08:55:01 +0000 | [diff] [blame] | 748 | |
| 749 | // Set array length to 0. |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 750 | array->SetElementsLength(Smi::FromInt(0))->ToObjectChecked(); |
mads.s.ager@gmail.com | 9a4089a | 2008-09-01 08:55:01 +0000 | [diff] [blame] | 751 | CHECK_EQ(Smi::FromInt(0), array->length()); |
erik.corry@gmail.com | c3b670f | 2011-10-05 21:44:48 +0000 | [diff] [blame] | 752 | // Must be in fast mode. |
svenpanne@chromium.org | 830d30c | 2012-05-29 13:20:14 +0000 | [diff] [blame] | 753 | CHECK(array->HasFastSmiOrObjectElements()); |
mads.s.ager@gmail.com | 9a4089a | 2008-09-01 08:55:01 +0000 | [diff] [blame] | 754 | |
| 755 | // array[length] = name. |
yangguo@chromium.org | ab30bb8 | 2012-02-24 14:41:46 +0000 | [diff] [blame] | 756 | array->SetElement(0, *name, NONE, kNonStrictMode)->ToObjectChecked(); |
mads.s.ager@gmail.com | 9a4089a | 2008-09-01 08:55:01 +0000 | [diff] [blame] | 757 | CHECK_EQ(Smi::FromInt(1), array->length()); |
ager@chromium.org | ce5e87b | 2010-03-10 10:24:18 +0000 | [diff] [blame] | 758 | CHECK_EQ(array->GetElement(0), *name); |
mads.s.ager@gmail.com | 9a4089a | 2008-09-01 08:55:01 +0000 | [diff] [blame] | 759 | |
ager@chromium.org | ce5e87b | 2010-03-10 10:24:18 +0000 | [diff] [blame] | 760 | // Set array length with larger than smi value. |
| 761 | Handle<Object> length = |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 762 | FACTORY->NewNumberFromUint(static_cast<uint32_t>(Smi::kMaxValue) + 1); |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 763 | array->SetElementsLength(*length)->ToObjectChecked(); |
mads.s.ager@gmail.com | 9a4089a | 2008-09-01 08:55:01 +0000 | [diff] [blame] | 764 | |
| 765 | uint32_t int_length = 0; |
ricow@chromium.org | 30ce411 | 2010-05-31 10:38:25 +0000 | [diff] [blame] | 766 | CHECK(length->ToArrayIndex(&int_length)); |
ager@chromium.org | ce5e87b | 2010-03-10 10:24:18 +0000 | [diff] [blame] | 767 | CHECK_EQ(*length, array->length()); |
sgjesse@chromium.org | 0b6db59 | 2009-07-30 14:48:31 +0000 | [diff] [blame] | 768 | CHECK(array->HasDictionaryElements()); // Must be in slow mode. |
mads.s.ager@gmail.com | 9a4089a | 2008-09-01 08:55:01 +0000 | [diff] [blame] | 769 | |
| 770 | // array[length] = name. |
yangguo@chromium.org | ab30bb8 | 2012-02-24 14:41:46 +0000 | [diff] [blame] | 771 | array->SetElement(int_length, *name, NONE, kNonStrictMode)->ToObjectChecked(); |
mads.s.ager@gmail.com | 9a4089a | 2008-09-01 08:55:01 +0000 | [diff] [blame] | 772 | uint32_t new_int_length = 0; |
ricow@chromium.org | 30ce411 | 2010-05-31 10:38:25 +0000 | [diff] [blame] | 773 | CHECK(array->length()->ToArrayIndex(&new_int_length)); |
mads.s.ager@gmail.com | 9a4089a | 2008-09-01 08:55:01 +0000 | [diff] [blame] | 774 | CHECK_EQ(static_cast<double>(int_length), new_int_length - 1); |
ager@chromium.org | ce5e87b | 2010-03-10 10:24:18 +0000 | [diff] [blame] | 775 | CHECK_EQ(array->GetElement(int_length), *name); |
| 776 | CHECK_EQ(array->GetElement(0), *name); |
mads.s.ager@gmail.com | 9a4089a | 2008-09-01 08:55:01 +0000 | [diff] [blame] | 777 | } |
| 778 | |
| 779 | |
| 780 | TEST(JSObjectCopy) { |
mstarzinger@chromium.org | e27d617 | 2013-04-17 11:51:44 +0000 | [diff] [blame^] | 781 | CcTest::InitializeVM(); |
mads.s.ager@gmail.com | 9a4089a | 2008-09-01 08:55:01 +0000 | [diff] [blame] | 782 | |
mstarzinger@chromium.org | e27d617 | 2013-04-17 11:51:44 +0000 | [diff] [blame^] | 783 | v8::HandleScope sc(CcTest::isolate()); |
yangguo@chromium.org | 4a9f655 | 2013-03-04 14:46:33 +0000 | [diff] [blame] | 784 | String* object_string = String::cast(HEAP->Object_string()); |
yangguo@chromium.org | 46839fb | 2012-08-28 09:06:19 +0000 | [diff] [blame] | 785 | Object* raw_object = Isolate::Current()->context()->global_object()-> |
yangguo@chromium.org | 4a9f655 | 2013-03-04 14:46:33 +0000 | [diff] [blame] | 786 | GetProperty(object_string)->ToObjectChecked(); |
lrn@chromium.org | 303ada7 | 2010-10-27 09:33:13 +0000 | [diff] [blame] | 787 | JSFunction* object_function = JSFunction::cast(raw_object); |
ager@chromium.org | ce5e87b | 2010-03-10 10:24:18 +0000 | [diff] [blame] | 788 | Handle<JSFunction> constructor(object_function); |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 789 | Handle<JSObject> obj = FACTORY->NewJSObject(constructor); |
yangguo@chromium.org | 4a9f655 | 2013-03-04 14:46:33 +0000 | [diff] [blame] | 790 | Handle<String> first = FACTORY->InternalizeUtf8String("first"); |
| 791 | Handle<String> second = FACTORY->InternalizeUtf8String("second"); |
mads.s.ager@gmail.com | 9a4089a | 2008-09-01 08:55:01 +0000 | [diff] [blame] | 792 | |
ager@chromium.org | 9ee27ae | 2011-03-02 13:43:26 +0000 | [diff] [blame] | 793 | obj->SetProperty( |
| 794 | *first, Smi::FromInt(1), NONE, kNonStrictMode)->ToObjectChecked(); |
| 795 | obj->SetProperty( |
| 796 | *second, Smi::FromInt(2), NONE, kNonStrictMode)->ToObjectChecked(); |
mads.s.ager@gmail.com | 9a4089a | 2008-09-01 08:55:01 +0000 | [diff] [blame] | 797 | |
yangguo@chromium.org | ab30bb8 | 2012-02-24 14:41:46 +0000 | [diff] [blame] | 798 | obj->SetElement(0, *first, NONE, kNonStrictMode)->ToObjectChecked(); |
| 799 | obj->SetElement(1, *second, NONE, kNonStrictMode)->ToObjectChecked(); |
mads.s.ager@gmail.com | 9a4089a | 2008-09-01 08:55:01 +0000 | [diff] [blame] | 800 | |
| 801 | // Make the clone. |
ager@chromium.org | ce5e87b | 2010-03-10 10:24:18 +0000 | [diff] [blame] | 802 | Handle<JSObject> clone = Copy(obj); |
| 803 | CHECK(!clone.is_identical_to(obj)); |
mads.s.ager@gmail.com | 9a4089a | 2008-09-01 08:55:01 +0000 | [diff] [blame] | 804 | |
| 805 | CHECK_EQ(obj->GetElement(0), clone->GetElement(0)); |
| 806 | CHECK_EQ(obj->GetElement(1), clone->GetElement(1)); |
| 807 | |
ager@chromium.org | ce5e87b | 2010-03-10 10:24:18 +0000 | [diff] [blame] | 808 | CHECK_EQ(obj->GetProperty(*first), clone->GetProperty(*first)); |
| 809 | CHECK_EQ(obj->GetProperty(*second), clone->GetProperty(*second)); |
mads.s.ager@gmail.com | 9a4089a | 2008-09-01 08:55:01 +0000 | [diff] [blame] | 810 | |
| 811 | // Flip the values. |
ager@chromium.org | 9ee27ae | 2011-03-02 13:43:26 +0000 | [diff] [blame] | 812 | clone->SetProperty( |
| 813 | *first, Smi::FromInt(2), NONE, kNonStrictMode)->ToObjectChecked(); |
| 814 | clone->SetProperty( |
| 815 | *second, Smi::FromInt(1), NONE, kNonStrictMode)->ToObjectChecked(); |
mads.s.ager@gmail.com | 9a4089a | 2008-09-01 08:55:01 +0000 | [diff] [blame] | 816 | |
yangguo@chromium.org | ab30bb8 | 2012-02-24 14:41:46 +0000 | [diff] [blame] | 817 | clone->SetElement(0, *second, NONE, kNonStrictMode)->ToObjectChecked(); |
| 818 | clone->SetElement(1, *first, NONE, kNonStrictMode)->ToObjectChecked(); |
mads.s.ager@gmail.com | 9a4089a | 2008-09-01 08:55:01 +0000 | [diff] [blame] | 819 | |
| 820 | CHECK_EQ(obj->GetElement(1), clone->GetElement(0)); |
| 821 | CHECK_EQ(obj->GetElement(0), clone->GetElement(1)); |
| 822 | |
ager@chromium.org | ce5e87b | 2010-03-10 10:24:18 +0000 | [diff] [blame] | 823 | CHECK_EQ(obj->GetProperty(*second), clone->GetProperty(*first)); |
| 824 | CHECK_EQ(obj->GetProperty(*first), clone->GetProperty(*second)); |
mads.s.ager@gmail.com | 9a4089a | 2008-09-01 08:55:01 +0000 | [diff] [blame] | 825 | } |
| 826 | |
| 827 | |
| 828 | TEST(StringAllocation) { |
mstarzinger@chromium.org | e27d617 | 2013-04-17 11:51:44 +0000 | [diff] [blame^] | 829 | CcTest::InitializeVM(); |
mads.s.ager@gmail.com | 9a4089a | 2008-09-01 08:55:01 +0000 | [diff] [blame] | 830 | |
mads.s.ager@gmail.com | 9a4089a | 2008-09-01 08:55:01 +0000 | [diff] [blame] | 831 | const unsigned char chars[] = { 0xe5, 0xa4, 0xa7 }; |
| 832 | for (int length = 0; length < 100; length++) { |
mstarzinger@chromium.org | e27d617 | 2013-04-17 11:51:44 +0000 | [diff] [blame^] | 833 | v8::HandleScope scope(CcTest::isolate()); |
mads.s.ager@gmail.com | 9a4089a | 2008-09-01 08:55:01 +0000 | [diff] [blame] | 834 | char* non_ascii = NewArray<char>(3 * length + 1); |
| 835 | char* ascii = NewArray<char>(length + 1); |
| 836 | non_ascii[3 * length] = 0; |
| 837 | ascii[length] = 0; |
| 838 | for (int i = 0; i < length; i++) { |
| 839 | ascii[i] = 'a'; |
| 840 | non_ascii[3 * i] = chars[0]; |
| 841 | non_ascii[3 * i + 1] = chars[1]; |
| 842 | non_ascii[3 * i + 2] = chars[2]; |
| 843 | } |
| 844 | Handle<String> non_ascii_sym = |
yangguo@chromium.org | 4a9f655 | 2013-03-04 14:46:33 +0000 | [diff] [blame] | 845 | FACTORY->InternalizeUtf8String( |
| 846 | Vector<const char>(non_ascii, 3 * length)); |
mads.s.ager@gmail.com | 9a4089a | 2008-09-01 08:55:01 +0000 | [diff] [blame] | 847 | CHECK_EQ(length, non_ascii_sym->length()); |
| 848 | Handle<String> ascii_sym = |
yangguo@chromium.org | 4a9f655 | 2013-03-04 14:46:33 +0000 | [diff] [blame] | 849 | FACTORY->InternalizeOneByteString(OneByteVector(ascii, length)); |
mads.s.ager@gmail.com | 9a4089a | 2008-09-01 08:55:01 +0000 | [diff] [blame] | 850 | CHECK_EQ(length, ascii_sym->length()); |
| 851 | Handle<String> non_ascii_str = |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 852 | FACTORY->NewStringFromUtf8(Vector<const char>(non_ascii, 3 * length)); |
mads.s.ager@gmail.com | 9a4089a | 2008-09-01 08:55:01 +0000 | [diff] [blame] | 853 | non_ascii_str->Hash(); |
| 854 | CHECK_EQ(length, non_ascii_str->length()); |
| 855 | Handle<String> ascii_str = |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 856 | FACTORY->NewStringFromUtf8(Vector<const char>(ascii, length)); |
mads.s.ager@gmail.com | 9a4089a | 2008-09-01 08:55:01 +0000 | [diff] [blame] | 857 | ascii_str->Hash(); |
| 858 | CHECK_EQ(length, ascii_str->length()); |
| 859 | DeleteArray(non_ascii); |
| 860 | DeleteArray(ascii); |
| 861 | } |
| 862 | } |
| 863 | |
| 864 | |
hpayer@chromium.org | 7c3372b | 2013-02-13 17:26:04 +0000 | [diff] [blame] | 865 | static int ObjectsFoundInHeap(Heap* heap, Handle<Object> objs[], int size) { |
mads.s.ager@gmail.com | 9a4089a | 2008-09-01 08:55:01 +0000 | [diff] [blame] | 866 | // Count the number of objects found in the heap. |
| 867 | int found_count = 0; |
hpayer@chromium.org | 7c3372b | 2013-02-13 17:26:04 +0000 | [diff] [blame] | 868 | HeapIterator iterator(heap); |
sgjesse@chromium.org | b302e56 | 2010-02-03 11:26:59 +0000 | [diff] [blame] | 869 | for (HeapObject* obj = iterator.next(); obj != NULL; obj = iterator.next()) { |
mads.s.ager@gmail.com | 9a4089a | 2008-09-01 08:55:01 +0000 | [diff] [blame] | 870 | for (int i = 0; i < size; i++) { |
| 871 | if (*objs[i] == obj) { |
| 872 | found_count++; |
| 873 | } |
| 874 | } |
| 875 | } |
mads.s.ager@gmail.com | 9a4089a | 2008-09-01 08:55:01 +0000 | [diff] [blame] | 876 | return found_count; |
| 877 | } |
| 878 | |
| 879 | |
| 880 | TEST(Iteration) { |
mstarzinger@chromium.org | e27d617 | 2013-04-17 11:51:44 +0000 | [diff] [blame^] | 881 | CcTest::InitializeVM(); |
| 882 | v8::HandleScope scope(CcTest::isolate()); |
mads.s.ager@gmail.com | 9a4089a | 2008-09-01 08:55:01 +0000 | [diff] [blame] | 883 | |
| 884 | // Array of objects to scan haep for. |
| 885 | const int objs_count = 6; |
| 886 | Handle<Object> objs[objs_count]; |
| 887 | int next_objs_index = 0; |
| 888 | |
ager@chromium.org | 9258b6b | 2008-09-11 09:11:10 +0000 | [diff] [blame] | 889 | // Allocate a JS array to OLD_POINTER_SPACE and NEW_SPACE |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 890 | objs[next_objs_index++] = FACTORY->NewJSArray(10); |
svenpanne@chromium.org | 830d30c | 2012-05-29 13:20:14 +0000 | [diff] [blame] | 891 | objs[next_objs_index++] = FACTORY->NewJSArray(10, |
| 892 | FAST_HOLEY_ELEMENTS, |
| 893 | TENURED); |
mads.s.ager@gmail.com | 9a4089a | 2008-09-01 08:55:01 +0000 | [diff] [blame] | 894 | |
ager@chromium.org | 9258b6b | 2008-09-11 09:11:10 +0000 | [diff] [blame] | 895 | // Allocate a small string to OLD_DATA_SPACE and NEW_SPACE |
mads.s.ager@gmail.com | 9a4089a | 2008-09-01 08:55:01 +0000 | [diff] [blame] | 896 | objs[next_objs_index++] = |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 897 | FACTORY->NewStringFromAscii(CStrVector("abcdefghij")); |
mads.s.ager@gmail.com | 9a4089a | 2008-09-01 08:55:01 +0000 | [diff] [blame] | 898 | objs[next_objs_index++] = |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 899 | FACTORY->NewStringFromAscii(CStrVector("abcdefghij"), TENURED); |
mads.s.ager@gmail.com | 9a4089a | 2008-09-01 08:55:01 +0000 | [diff] [blame] | 900 | |
| 901 | // Allocate a large string (for large object space). |
yangguo@chromium.org | ab30bb8 | 2012-02-24 14:41:46 +0000 | [diff] [blame] | 902 | int large_size = Page::kMaxNonCodeHeapObjectSize + 1; |
mads.s.ager@gmail.com | 9a4089a | 2008-09-01 08:55:01 +0000 | [diff] [blame] | 903 | char* str = new char[large_size]; |
| 904 | for (int i = 0; i < large_size - 1; ++i) str[i] = 'a'; |
| 905 | str[large_size - 1] = '\0'; |
| 906 | objs[next_objs_index++] = |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 907 | FACTORY->NewStringFromAscii(CStrVector(str), TENURED); |
mads.s.ager@gmail.com | 9a4089a | 2008-09-01 08:55:01 +0000 | [diff] [blame] | 908 | delete[] str; |
| 909 | |
| 910 | // Add a Map object to look for. |
| 911 | objs[next_objs_index++] = Handle<Map>(HeapObject::cast(*objs[0])->map()); |
| 912 | |
| 913 | CHECK_EQ(objs_count, next_objs_index); |
hpayer@chromium.org | 7c3372b | 2013-02-13 17:26:04 +0000 | [diff] [blame] | 914 | CHECK_EQ(objs_count, ObjectsFoundInHeap(HEAP, objs, objs_count)); |
mads.s.ager@gmail.com | 9a4089a | 2008-09-01 08:55:01 +0000 | [diff] [blame] | 915 | } |
sgjesse@chromium.org | df7a284 | 2010-03-25 14:34:15 +0000 | [diff] [blame] | 916 | |
| 917 | |
ager@chromium.org | b26c50a | 2010-03-26 09:27:16 +0000 | [diff] [blame] | 918 | TEST(EmptyHandleEscapeFrom) { |
mstarzinger@chromium.org | e27d617 | 2013-04-17 11:51:44 +0000 | [diff] [blame^] | 919 | CcTest::InitializeVM(); |
ager@chromium.org | b26c50a | 2010-03-26 09:27:16 +0000 | [diff] [blame] | 920 | |
mstarzinger@chromium.org | e27d617 | 2013-04-17 11:51:44 +0000 | [diff] [blame^] | 921 | v8::HandleScope scope(CcTest::isolate()); |
ager@chromium.org | b26c50a | 2010-03-26 09:27:16 +0000 | [diff] [blame] | 922 | Handle<JSObject> runaway; |
| 923 | |
| 924 | { |
mstarzinger@chromium.org | e27d617 | 2013-04-17 11:51:44 +0000 | [diff] [blame^] | 925 | v8::HandleScope nested(CcTest::isolate()); |
ager@chromium.org | b26c50a | 2010-03-26 09:27:16 +0000 | [diff] [blame] | 926 | Handle<JSObject> empty; |
| 927 | runaway = empty.EscapeFrom(&nested); |
| 928 | } |
| 929 | |
| 930 | CHECK(runaway.is_null()); |
| 931 | } |
| 932 | |
| 933 | |
| 934 | static int LenFromSize(int size) { |
| 935 | return (size - FixedArray::kHeaderSize) / kPointerSize; |
| 936 | } |
| 937 | |
| 938 | |
| 939 | TEST(Regression39128) { |
| 940 | // Test case for crbug.com/39128. |
mstarzinger@chromium.org | e27d617 | 2013-04-17 11:51:44 +0000 | [diff] [blame^] | 941 | CcTest::InitializeVM(); |
ager@chromium.org | b26c50a | 2010-03-26 09:27:16 +0000 | [diff] [blame] | 942 | |
| 943 | // Increase the chance of 'bump-the-pointer' allocation in old space. |
erik.corry@gmail.com | c3b670f | 2011-10-05 21:44:48 +0000 | [diff] [blame] | 944 | HEAP->CollectAllGarbage(Heap::kNoGCFlags); |
ager@chromium.org | b26c50a | 2010-03-26 09:27:16 +0000 | [diff] [blame] | 945 | |
mstarzinger@chromium.org | e27d617 | 2013-04-17 11:51:44 +0000 | [diff] [blame^] | 946 | v8::HandleScope scope(CcTest::isolate()); |
ager@chromium.org | b26c50a | 2010-03-26 09:27:16 +0000 | [diff] [blame] | 947 | |
| 948 | // The plan: create JSObject which references objects in new space. |
| 949 | // Then clone this object (forcing it to go into old space) and check |
ricow@chromium.org | 30ce411 | 2010-05-31 10:38:25 +0000 | [diff] [blame] | 950 | // that region dirty marks are updated correctly. |
ager@chromium.org | b26c50a | 2010-03-26 09:27:16 +0000 | [diff] [blame] | 951 | |
| 952 | // Step 1: prepare a map for the object. We add 1 inobject property to it. |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 953 | Handle<JSFunction> object_ctor( |
yangguo@chromium.org | 46839fb | 2012-08-28 09:06:19 +0000 | [diff] [blame] | 954 | Isolate::Current()->native_context()->object_function()); |
ager@chromium.org | b26c50a | 2010-03-26 09:27:16 +0000 | [diff] [blame] | 955 | CHECK(object_ctor->has_initial_map()); |
| 956 | Handle<Map> object_map(object_ctor->initial_map()); |
| 957 | // Create a map with single inobject property. |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 958 | Handle<Map> my_map = FACTORY->CopyMap(object_map, 1); |
ager@chromium.org | b26c50a | 2010-03-26 09:27:16 +0000 | [diff] [blame] | 959 | int n_properties = my_map->inobject_properties(); |
| 960 | CHECK_GT(n_properties, 0); |
| 961 | |
| 962 | int object_size = my_map->instance_size(); |
| 963 | |
| 964 | // Step 2: allocate a lot of objects so to almost fill new space: we need |
| 965 | // just enough room to allocate JSObject and thus fill the newspace. |
| 966 | |
| 967 | int allocation_amount = Min(FixedArray::kMaxSize, |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 968 | HEAP->MaxObjectSizeInNewSpace()); |
ager@chromium.org | b26c50a | 2010-03-26 09:27:16 +0000 | [diff] [blame] | 969 | int allocation_len = LenFromSize(allocation_amount); |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 970 | NewSpace* new_space = HEAP->new_space(); |
ager@chromium.org | b26c50a | 2010-03-26 09:27:16 +0000 | [diff] [blame] | 971 | Address* top_addr = new_space->allocation_top_address(); |
| 972 | Address* limit_addr = new_space->allocation_limit_address(); |
| 973 | while ((*limit_addr - *top_addr) > allocation_amount) { |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 974 | CHECK(!HEAP->always_allocate()); |
| 975 | Object* array = HEAP->AllocateFixedArray(allocation_len)->ToObjectChecked(); |
| 976 | CHECK(!array->IsFailure()); |
ager@chromium.org | b26c50a | 2010-03-26 09:27:16 +0000 | [diff] [blame] | 977 | CHECK(new_space->Contains(array)); |
| 978 | } |
| 979 | |
| 980 | // Step 3: now allocate fixed array and JSObject to fill the whole new space. |
whesse@chromium.org | b6e43bb | 2010-04-14 09:36:28 +0000 | [diff] [blame] | 981 | int to_fill = static_cast<int>(*limit_addr - *top_addr - object_size); |
ager@chromium.org | b26c50a | 2010-03-26 09:27:16 +0000 | [diff] [blame] | 982 | int fixed_array_len = LenFromSize(to_fill); |
| 983 | CHECK(fixed_array_len < FixedArray::kMaxLength); |
| 984 | |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 985 | CHECK(!HEAP->always_allocate()); |
| 986 | Object* array = HEAP->AllocateFixedArray(fixed_array_len)->ToObjectChecked(); |
| 987 | CHECK(!array->IsFailure()); |
ager@chromium.org | b26c50a | 2010-03-26 09:27:16 +0000 | [diff] [blame] | 988 | CHECK(new_space->Contains(array)); |
| 989 | |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 990 | Object* object = HEAP->AllocateJSObjectFromMap(*my_map)->ToObjectChecked(); |
ager@chromium.org | b26c50a | 2010-03-26 09:27:16 +0000 | [diff] [blame] | 991 | CHECK(new_space->Contains(object)); |
| 992 | JSObject* jsobject = JSObject::cast(object); |
ricow@chromium.org | 30ce411 | 2010-05-31 10:38:25 +0000 | [diff] [blame] | 993 | CHECK_EQ(0, FixedArray::cast(jsobject->elements())->length()); |
ager@chromium.org | b26c50a | 2010-03-26 09:27:16 +0000 | [diff] [blame] | 994 | CHECK_EQ(0, jsobject->properties()->length()); |
| 995 | // Create a reference to object in new space in jsobject. |
| 996 | jsobject->FastPropertyAtPut(-1, array); |
| 997 | |
whesse@chromium.org | b6e43bb | 2010-04-14 09:36:28 +0000 | [diff] [blame] | 998 | CHECK_EQ(0, static_cast<int>(*limit_addr - *top_addr)); |
ager@chromium.org | b26c50a | 2010-03-26 09:27:16 +0000 | [diff] [blame] | 999 | |
| 1000 | // Step 4: clone jsobject, but force always allocate first to create a clone |
| 1001 | // in old pointer space. |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 1002 | Address old_pointer_space_top = HEAP->old_pointer_space()->top(); |
ager@chromium.org | b26c50a | 2010-03-26 09:27:16 +0000 | [diff] [blame] | 1003 | AlwaysAllocateScope aa_scope; |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 1004 | Object* clone_obj = HEAP->CopyJSObject(jsobject)->ToObjectChecked(); |
ager@chromium.org | b26c50a | 2010-03-26 09:27:16 +0000 | [diff] [blame] | 1005 | JSObject* clone = JSObject::cast(clone_obj); |
| 1006 | if (clone->address() != old_pointer_space_top) { |
| 1007 | // Alas, got allocated from free list, we cannot do checks. |
| 1008 | return; |
| 1009 | } |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 1010 | CHECK(HEAP->old_pointer_space()->Contains(clone->address())); |
ager@chromium.org | b26c50a | 2010-03-26 09:27:16 +0000 | [diff] [blame] | 1011 | } |
vegorov@chromium.org | 2356e6f | 2010-06-09 09:38:56 +0000 | [diff] [blame] | 1012 | |
whesse@chromium.org | 4a5224e | 2010-10-20 12:37:07 +0000 | [diff] [blame] | 1013 | |
vegorov@chromium.org | 2356e6f | 2010-06-09 09:38:56 +0000 | [diff] [blame] | 1014 | TEST(TestCodeFlushing) { |
ricow@chromium.org | fd0930e | 2010-06-11 10:37:34 +0000 | [diff] [blame] | 1015 | // If we do not flush code this test is invalid. |
| 1016 | if (!FLAG_flush_code) return; |
verwaest@chromium.org | e4ee6de | 2012-11-06 12:13:00 +0000 | [diff] [blame] | 1017 | i::FLAG_allow_natives_syntax = true; |
mstarzinger@chromium.org | e27d617 | 2013-04-17 11:51:44 +0000 | [diff] [blame^] | 1018 | CcTest::InitializeVM(); |
| 1019 | v8::HandleScope scope(CcTest::isolate()); |
vegorov@chromium.org | 2356e6f | 2010-06-09 09:38:56 +0000 | [diff] [blame] | 1020 | const char* source = "function foo() {" |
| 1021 | " var x = 42;" |
| 1022 | " var y = 42;" |
| 1023 | " var z = x + y;" |
| 1024 | "};" |
| 1025 | "foo()"; |
yangguo@chromium.org | 4a9f655 | 2013-03-04 14:46:33 +0000 | [diff] [blame] | 1026 | Handle<String> foo_name = FACTORY->InternalizeUtf8String("foo"); |
vegorov@chromium.org | 2356e6f | 2010-06-09 09:38:56 +0000 | [diff] [blame] | 1027 | |
| 1028 | // This compile will add the code to the compilation cache. |
mstarzinger@chromium.org | e27d617 | 2013-04-17 11:51:44 +0000 | [diff] [blame^] | 1029 | { v8::HandleScope scope(CcTest::isolate()); |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 1030 | CompileRun(source); |
| 1031 | } |
vegorov@chromium.org | 2356e6f | 2010-06-09 09:38:56 +0000 | [diff] [blame] | 1032 | |
| 1033 | // Check function is compiled. |
yangguo@chromium.org | 46839fb | 2012-08-28 09:06:19 +0000 | [diff] [blame] | 1034 | Object* func_value = Isolate::Current()->context()->global_object()-> |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 1035 | GetProperty(*foo_name)->ToObjectChecked(); |
vegorov@chromium.org | 2356e6f | 2010-06-09 09:38:56 +0000 | [diff] [blame] | 1036 | CHECK(func_value->IsJSFunction()); |
| 1037 | Handle<JSFunction> function(JSFunction::cast(func_value)); |
| 1038 | CHECK(function->shared()->is_compiled()); |
| 1039 | |
verwaest@chromium.org | e4ee6de | 2012-11-06 12:13:00 +0000 | [diff] [blame] | 1040 | // The code will survive at least two GCs. |
jkummerow@chromium.org | 5323a9c | 2012-12-10 19:00:50 +0000 | [diff] [blame] | 1041 | HEAP->CollectAllGarbage(Heap::kAbortIncrementalMarkingMask); |
| 1042 | HEAP->CollectAllGarbage(Heap::kAbortIncrementalMarkingMask); |
vegorov@chromium.org | 2356e6f | 2010-06-09 09:38:56 +0000 | [diff] [blame] | 1043 | CHECK(function->shared()->is_compiled()); |
ricow@chromium.org | 0b9f850 | 2010-08-18 07:45:01 +0000 | [diff] [blame] | 1044 | |
verwaest@chromium.org | e4ee6de | 2012-11-06 12:13:00 +0000 | [diff] [blame] | 1045 | // Simulate several GCs that use full marking. |
| 1046 | const int kAgingThreshold = 6; |
| 1047 | for (int i = 0; i < kAgingThreshold; i++) { |
| 1048 | HEAP->CollectAllGarbage(Heap::kAbortIncrementalMarkingMask); |
| 1049 | } |
vegorov@chromium.org | 2356e6f | 2010-06-09 09:38:56 +0000 | [diff] [blame] | 1050 | |
| 1051 | // foo should no longer be in the compilation cache |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 1052 | CHECK(!function->shared()->is_compiled() || function->IsOptimized()); |
| 1053 | CHECK(!function->is_compiled() || function->IsOptimized()); |
vegorov@chromium.org | 2356e6f | 2010-06-09 09:38:56 +0000 | [diff] [blame] | 1054 | // Call foo to get it recompiled. |
| 1055 | CompileRun("foo()"); |
| 1056 | CHECK(function->shared()->is_compiled()); |
ricow@chromium.org | 0b9f850 | 2010-08-18 07:45:01 +0000 | [diff] [blame] | 1057 | CHECK(function->is_compiled()); |
vegorov@chromium.org | 2356e6f | 2010-06-09 09:38:56 +0000 | [diff] [blame] | 1058 | } |
whesse@chromium.org | 4a5224e | 2010-10-20 12:37:07 +0000 | [diff] [blame] | 1059 | |
| 1060 | |
verwaest@chromium.org | e4ee6de | 2012-11-06 12:13:00 +0000 | [diff] [blame] | 1061 | TEST(TestCodeFlushingIncremental) { |
| 1062 | // If we do not flush code this test is invalid. |
| 1063 | if (!FLAG_flush_code || !FLAG_flush_code_incrementally) return; |
| 1064 | i::FLAG_allow_natives_syntax = true; |
mstarzinger@chromium.org | e27d617 | 2013-04-17 11:51:44 +0000 | [diff] [blame^] | 1065 | CcTest::InitializeVM(); |
| 1066 | v8::HandleScope scope(CcTest::isolate()); |
verwaest@chromium.org | e4ee6de | 2012-11-06 12:13:00 +0000 | [diff] [blame] | 1067 | const char* source = "function foo() {" |
| 1068 | " var x = 42;" |
| 1069 | " var y = 42;" |
| 1070 | " var z = x + y;" |
| 1071 | "};" |
| 1072 | "foo()"; |
yangguo@chromium.org | 4a9f655 | 2013-03-04 14:46:33 +0000 | [diff] [blame] | 1073 | Handle<String> foo_name = FACTORY->InternalizeUtf8String("foo"); |
verwaest@chromium.org | e4ee6de | 2012-11-06 12:13:00 +0000 | [diff] [blame] | 1074 | |
| 1075 | // This compile will add the code to the compilation cache. |
mstarzinger@chromium.org | e27d617 | 2013-04-17 11:51:44 +0000 | [diff] [blame^] | 1076 | { v8::HandleScope scope(CcTest::isolate()); |
verwaest@chromium.org | e4ee6de | 2012-11-06 12:13:00 +0000 | [diff] [blame] | 1077 | CompileRun(source); |
| 1078 | } |
| 1079 | |
| 1080 | // Check function is compiled. |
| 1081 | Object* func_value = Isolate::Current()->context()->global_object()-> |
| 1082 | GetProperty(*foo_name)->ToObjectChecked(); |
| 1083 | CHECK(func_value->IsJSFunction()); |
| 1084 | Handle<JSFunction> function(JSFunction::cast(func_value)); |
| 1085 | CHECK(function->shared()->is_compiled()); |
| 1086 | |
| 1087 | // The code will survive at least two GCs. |
jkummerow@chromium.org | 5323a9c | 2012-12-10 19:00:50 +0000 | [diff] [blame] | 1088 | HEAP->CollectAllGarbage(Heap::kAbortIncrementalMarkingMask); |
| 1089 | HEAP->CollectAllGarbage(Heap::kAbortIncrementalMarkingMask); |
verwaest@chromium.org | e4ee6de | 2012-11-06 12:13:00 +0000 | [diff] [blame] | 1090 | CHECK(function->shared()->is_compiled()); |
| 1091 | |
| 1092 | // Simulate several GCs that use incremental marking. |
| 1093 | const int kAgingThreshold = 6; |
| 1094 | for (int i = 0; i < kAgingThreshold; i++) { |
verwaest@chromium.org | e4ee6de | 2012-11-06 12:13:00 +0000 | [diff] [blame] | 1095 | SimulateIncrementalMarking(); |
| 1096 | HEAP->CollectAllGarbage(Heap::kNoGCFlags); |
| 1097 | } |
| 1098 | CHECK(!function->shared()->is_compiled() || function->IsOptimized()); |
| 1099 | CHECK(!function->is_compiled() || function->IsOptimized()); |
| 1100 | |
| 1101 | // This compile will compile the function again. |
mstarzinger@chromium.org | e27d617 | 2013-04-17 11:51:44 +0000 | [diff] [blame^] | 1102 | { v8::HandleScope scope(CcTest::isolate()); |
verwaest@chromium.org | e4ee6de | 2012-11-06 12:13:00 +0000 | [diff] [blame] | 1103 | CompileRun("foo();"); |
| 1104 | } |
| 1105 | |
| 1106 | // Simulate several GCs that use incremental marking but make sure |
| 1107 | // the loop breaks once the function is enqueued as a candidate. |
| 1108 | for (int i = 0; i < kAgingThreshold; i++) { |
verwaest@chromium.org | e4ee6de | 2012-11-06 12:13:00 +0000 | [diff] [blame] | 1109 | SimulateIncrementalMarking(); |
| 1110 | if (!function->next_function_link()->IsUndefined()) break; |
| 1111 | HEAP->CollectAllGarbage(Heap::kNoGCFlags); |
| 1112 | } |
| 1113 | |
| 1114 | // Force optimization while incremental marking is active and while |
| 1115 | // the function is enqueued as a candidate. |
mstarzinger@chromium.org | e27d617 | 2013-04-17 11:51:44 +0000 | [diff] [blame^] | 1116 | { v8::HandleScope scope(CcTest::isolate()); |
verwaest@chromium.org | e4ee6de | 2012-11-06 12:13:00 +0000 | [diff] [blame] | 1117 | CompileRun("%OptimizeFunctionOnNextCall(foo); foo();"); |
| 1118 | } |
| 1119 | |
| 1120 | // Simulate one final GC to make sure the candidate queue is sane. |
| 1121 | HEAP->CollectAllGarbage(Heap::kNoGCFlags); |
| 1122 | CHECK(function->shared()->is_compiled() || !function->IsOptimized()); |
| 1123 | CHECK(function->is_compiled() || !function->IsOptimized()); |
| 1124 | } |
| 1125 | |
| 1126 | |
| 1127 | TEST(TestCodeFlushingIncrementalScavenge) { |
| 1128 | // If we do not flush code this test is invalid. |
| 1129 | if (!FLAG_flush_code || !FLAG_flush_code_incrementally) return; |
| 1130 | i::FLAG_allow_natives_syntax = true; |
mstarzinger@chromium.org | e27d617 | 2013-04-17 11:51:44 +0000 | [diff] [blame^] | 1131 | CcTest::InitializeVM(); |
| 1132 | v8::HandleScope scope(CcTest::isolate()); |
verwaest@chromium.org | e4ee6de | 2012-11-06 12:13:00 +0000 | [diff] [blame] | 1133 | const char* source = "var foo = function() {" |
| 1134 | " var x = 42;" |
| 1135 | " var y = 42;" |
| 1136 | " var z = x + y;" |
| 1137 | "};" |
| 1138 | "foo();" |
| 1139 | "var bar = function() {" |
| 1140 | " var x = 23;" |
| 1141 | "};" |
| 1142 | "bar();"; |
yangguo@chromium.org | 4a9f655 | 2013-03-04 14:46:33 +0000 | [diff] [blame] | 1143 | Handle<String> foo_name = FACTORY->InternalizeUtf8String("foo"); |
| 1144 | Handle<String> bar_name = FACTORY->InternalizeUtf8String("bar"); |
verwaest@chromium.org | e4ee6de | 2012-11-06 12:13:00 +0000 | [diff] [blame] | 1145 | |
| 1146 | // Perfrom one initial GC to enable code flushing. |
jkummerow@chromium.org | 5323a9c | 2012-12-10 19:00:50 +0000 | [diff] [blame] | 1147 | HEAP->CollectAllGarbage(Heap::kAbortIncrementalMarkingMask); |
verwaest@chromium.org | e4ee6de | 2012-11-06 12:13:00 +0000 | [diff] [blame] | 1148 | |
| 1149 | // This compile will add the code to the compilation cache. |
mstarzinger@chromium.org | e27d617 | 2013-04-17 11:51:44 +0000 | [diff] [blame^] | 1150 | { v8::HandleScope scope(CcTest::isolate()); |
verwaest@chromium.org | e4ee6de | 2012-11-06 12:13:00 +0000 | [diff] [blame] | 1151 | CompileRun(source); |
| 1152 | } |
| 1153 | |
| 1154 | // Check functions are compiled. |
| 1155 | Object* func_value = Isolate::Current()->context()->global_object()-> |
| 1156 | GetProperty(*foo_name)->ToObjectChecked(); |
| 1157 | CHECK(func_value->IsJSFunction()); |
| 1158 | Handle<JSFunction> function(JSFunction::cast(func_value)); |
| 1159 | CHECK(function->shared()->is_compiled()); |
| 1160 | Object* func_value2 = Isolate::Current()->context()->global_object()-> |
| 1161 | GetProperty(*bar_name)->ToObjectChecked(); |
| 1162 | CHECK(func_value2->IsJSFunction()); |
| 1163 | Handle<JSFunction> function2(JSFunction::cast(func_value2)); |
| 1164 | CHECK(function2->shared()->is_compiled()); |
| 1165 | |
| 1166 | // Clear references to functions so that one of them can die. |
mstarzinger@chromium.org | e27d617 | 2013-04-17 11:51:44 +0000 | [diff] [blame^] | 1167 | { v8::HandleScope scope(CcTest::isolate()); |
verwaest@chromium.org | e4ee6de | 2012-11-06 12:13:00 +0000 | [diff] [blame] | 1168 | CompileRun("foo = 0; bar = 0;"); |
| 1169 | } |
| 1170 | |
| 1171 | // Bump the code age so that flushing is triggered while the function |
| 1172 | // object is still located in new-space. |
| 1173 | const int kAgingThreshold = 6; |
mmassi@chromium.org | 49a4467 | 2012-12-04 13:52:03 +0000 | [diff] [blame] | 1174 | for (int i = 0; i < kAgingThreshold; i++) { |
| 1175 | function->shared()->code()->MakeOlder(static_cast<MarkingParity>(i % 2)); |
| 1176 | function2->shared()->code()->MakeOlder(static_cast<MarkingParity>(i % 2)); |
| 1177 | } |
verwaest@chromium.org | e4ee6de | 2012-11-06 12:13:00 +0000 | [diff] [blame] | 1178 | |
| 1179 | // Simulate incremental marking so that the functions are enqueued as |
| 1180 | // code flushing candidates. Then kill one of the functions. Finally |
| 1181 | // perform a scavenge while incremental marking is still running. |
| 1182 | SimulateIncrementalMarking(); |
| 1183 | *function2.location() = NULL; |
| 1184 | HEAP->CollectGarbage(NEW_SPACE, "test scavenge while marking"); |
| 1185 | |
| 1186 | // Simulate one final GC to make sure the candidate queue is sane. |
| 1187 | HEAP->CollectAllGarbage(Heap::kNoGCFlags); |
| 1188 | CHECK(!function->shared()->is_compiled() || function->IsOptimized()); |
| 1189 | CHECK(!function->is_compiled() || function->IsOptimized()); |
| 1190 | } |
| 1191 | |
| 1192 | |
mvstanton@chromium.org | e4ac3ef | 2012-11-12 14:53:34 +0000 | [diff] [blame] | 1193 | TEST(TestCodeFlushingIncrementalAbort) { |
| 1194 | // If we do not flush code this test is invalid. |
| 1195 | if (!FLAG_flush_code || !FLAG_flush_code_incrementally) return; |
| 1196 | i::FLAG_allow_natives_syntax = true; |
mstarzinger@chromium.org | e27d617 | 2013-04-17 11:51:44 +0000 | [diff] [blame^] | 1197 | CcTest::InitializeVM(); |
yangguo@chromium.org | c03a192 | 2013-02-19 13:55:47 +0000 | [diff] [blame] | 1198 | Isolate* isolate = Isolate::Current(); |
| 1199 | Heap* heap = isolate->heap(); |
mstarzinger@chromium.org | e27d617 | 2013-04-17 11:51:44 +0000 | [diff] [blame^] | 1200 | v8::HandleScope scope(CcTest::isolate()); |
mvstanton@chromium.org | e4ac3ef | 2012-11-12 14:53:34 +0000 | [diff] [blame] | 1201 | const char* source = "function foo() {" |
| 1202 | " var x = 42;" |
| 1203 | " var y = 42;" |
| 1204 | " var z = x + y;" |
| 1205 | "};" |
| 1206 | "foo()"; |
yangguo@chromium.org | 4a9f655 | 2013-03-04 14:46:33 +0000 | [diff] [blame] | 1207 | Handle<String> foo_name = FACTORY->InternalizeUtf8String("foo"); |
mvstanton@chromium.org | e4ac3ef | 2012-11-12 14:53:34 +0000 | [diff] [blame] | 1208 | |
| 1209 | // This compile will add the code to the compilation cache. |
mstarzinger@chromium.org | e27d617 | 2013-04-17 11:51:44 +0000 | [diff] [blame^] | 1210 | { v8::HandleScope scope(CcTest::isolate()); |
mvstanton@chromium.org | e4ac3ef | 2012-11-12 14:53:34 +0000 | [diff] [blame] | 1211 | CompileRun(source); |
| 1212 | } |
| 1213 | |
| 1214 | // Check function is compiled. |
| 1215 | Object* func_value = Isolate::Current()->context()->global_object()-> |
| 1216 | GetProperty(*foo_name)->ToObjectChecked(); |
| 1217 | CHECK(func_value->IsJSFunction()); |
| 1218 | Handle<JSFunction> function(JSFunction::cast(func_value)); |
| 1219 | CHECK(function->shared()->is_compiled()); |
| 1220 | |
| 1221 | // The code will survive at least two GCs. |
yangguo@chromium.org | c03a192 | 2013-02-19 13:55:47 +0000 | [diff] [blame] | 1222 | heap->CollectAllGarbage(Heap::kAbortIncrementalMarkingMask); |
| 1223 | heap->CollectAllGarbage(Heap::kAbortIncrementalMarkingMask); |
mvstanton@chromium.org | e4ac3ef | 2012-11-12 14:53:34 +0000 | [diff] [blame] | 1224 | CHECK(function->shared()->is_compiled()); |
| 1225 | |
| 1226 | // Bump the code age so that flushing is triggered. |
| 1227 | const int kAgingThreshold = 6; |
mmassi@chromium.org | 49a4467 | 2012-12-04 13:52:03 +0000 | [diff] [blame] | 1228 | for (int i = 0; i < kAgingThreshold; i++) { |
| 1229 | function->shared()->code()->MakeOlder(static_cast<MarkingParity>(i % 2)); |
| 1230 | } |
mvstanton@chromium.org | e4ac3ef | 2012-11-12 14:53:34 +0000 | [diff] [blame] | 1231 | |
| 1232 | // Simulate incremental marking so that the function is enqueued as |
| 1233 | // code flushing candidate. |
| 1234 | SimulateIncrementalMarking(); |
| 1235 | |
danno@chromium.org | c99cd48 | 2013-03-21 15:26:42 +0000 | [diff] [blame] | 1236 | #ifdef ENABLE_DEBUGGER_SUPPORT |
mvstanton@chromium.org | e4ac3ef | 2012-11-12 14:53:34 +0000 | [diff] [blame] | 1237 | // Enable the debugger and add a breakpoint while incremental marking |
| 1238 | // is running so that incremental marking aborts and code flushing is |
| 1239 | // disabled. |
| 1240 | int position = 0; |
ulan@chromium.org | 09d7ab5 | 2013-02-25 15:50:35 +0000 | [diff] [blame] | 1241 | Handle<Object> breakpoint_object(Smi::FromInt(0), isolate); |
yangguo@chromium.org | c03a192 | 2013-02-19 13:55:47 +0000 | [diff] [blame] | 1242 | isolate->debug()->SetBreakPoint(function, breakpoint_object, &position); |
| 1243 | isolate->debug()->ClearAllBreakPoints(); |
danno@chromium.org | c99cd48 | 2013-03-21 15:26:42 +0000 | [diff] [blame] | 1244 | #endif // ENABLE_DEBUGGER_SUPPORT |
mvstanton@chromium.org | e4ac3ef | 2012-11-12 14:53:34 +0000 | [diff] [blame] | 1245 | |
| 1246 | // Force optimization now that code flushing is disabled. |
mstarzinger@chromium.org | e27d617 | 2013-04-17 11:51:44 +0000 | [diff] [blame^] | 1247 | { v8::HandleScope scope(CcTest::isolate()); |
mvstanton@chromium.org | e4ac3ef | 2012-11-12 14:53:34 +0000 | [diff] [blame] | 1248 | CompileRun("%OptimizeFunctionOnNextCall(foo); foo();"); |
| 1249 | } |
| 1250 | |
| 1251 | // Simulate one final GC to make sure the candidate queue is sane. |
yangguo@chromium.org | c03a192 | 2013-02-19 13:55:47 +0000 | [diff] [blame] | 1252 | heap->CollectAllGarbage(Heap::kNoGCFlags); |
mvstanton@chromium.org | e4ac3ef | 2012-11-12 14:53:34 +0000 | [diff] [blame] | 1253 | CHECK(function->shared()->is_compiled() || !function->IsOptimized()); |
| 1254 | CHECK(function->is_compiled() || !function->IsOptimized()); |
| 1255 | } |
| 1256 | |
| 1257 | |
yangguo@chromium.org | 46839fb | 2012-08-28 09:06:19 +0000 | [diff] [blame] | 1258 | // Count the number of native contexts in the weak list of native contexts. |
| 1259 | int CountNativeContexts() { |
whesse@chromium.org | 4a5224e | 2010-10-20 12:37:07 +0000 | [diff] [blame] | 1260 | int count = 0; |
yangguo@chromium.org | 46839fb | 2012-08-28 09:06:19 +0000 | [diff] [blame] | 1261 | Object* object = HEAP->native_contexts_list(); |
whesse@chromium.org | 4a5224e | 2010-10-20 12:37:07 +0000 | [diff] [blame] | 1262 | while (!object->IsUndefined()) { |
| 1263 | count++; |
| 1264 | object = Context::cast(object)->get(Context::NEXT_CONTEXT_LINK); |
| 1265 | } |
| 1266 | return count; |
| 1267 | } |
| 1268 | |
| 1269 | |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 1270 | // Count the number of user functions in the weak list of optimized |
yangguo@chromium.org | 46839fb | 2012-08-28 09:06:19 +0000 | [diff] [blame] | 1271 | // functions attached to a native context. |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 1272 | static int CountOptimizedUserFunctions(v8::Handle<v8::Context> context) { |
| 1273 | int count = 0; |
| 1274 | Handle<Context> icontext = v8::Utils::OpenHandle(*context); |
| 1275 | Object* object = icontext->get(Context::OPTIMIZED_FUNCTIONS_LIST); |
| 1276 | while (object->IsJSFunction() && !JSFunction::cast(object)->IsBuiltin()) { |
| 1277 | count++; |
| 1278 | object = JSFunction::cast(object)->next_function_link(); |
| 1279 | } |
| 1280 | return count; |
| 1281 | } |
| 1282 | |
| 1283 | |
whesse@chromium.org | 4a5224e | 2010-10-20 12:37:07 +0000 | [diff] [blame] | 1284 | TEST(TestInternalWeakLists) { |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 1285 | v8::V8::Initialize(); |
| 1286 | |
jkummerow@chromium.org | 5323a9c | 2012-12-10 19:00:50 +0000 | [diff] [blame] | 1287 | // Some flags turn Scavenge collections into Mark-sweep collections |
| 1288 | // and hence are incompatible with this test case. |
| 1289 | if (FLAG_gc_global || FLAG_stress_compaction) return; |
| 1290 | |
whesse@chromium.org | 4a5224e | 2010-10-20 12:37:07 +0000 | [diff] [blame] | 1291 | static const int kNumTestContexts = 10; |
| 1292 | |
yangguo@chromium.org | c03a192 | 2013-02-19 13:55:47 +0000 | [diff] [blame] | 1293 | Isolate* isolate = Isolate::Current(); |
| 1294 | Heap* heap = isolate->heap(); |
svenpanne@chromium.org | 2bda543 | 2013-03-15 12:39:50 +0000 | [diff] [blame] | 1295 | HandleScope scope(isolate); |
whesse@chromium.org | 4a5224e | 2010-10-20 12:37:07 +0000 | [diff] [blame] | 1296 | v8::Persistent<v8::Context> ctx[kNumTestContexts]; |
| 1297 | |
yangguo@chromium.org | 46839fb | 2012-08-28 09:06:19 +0000 | [diff] [blame] | 1298 | CHECK_EQ(0, CountNativeContexts()); |
whesse@chromium.org | 4a5224e | 2010-10-20 12:37:07 +0000 | [diff] [blame] | 1299 | |
| 1300 | // Create a number of global contests which gets linked together. |
| 1301 | for (int i = 0; i < kNumTestContexts; i++) { |
| 1302 | ctx[i] = v8::Context::New(); |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 1303 | |
| 1304 | bool opt = (FLAG_always_opt && i::V8::UseCrankshaft()); |
| 1305 | |
yangguo@chromium.org | 46839fb | 2012-08-28 09:06:19 +0000 | [diff] [blame] | 1306 | CHECK_EQ(i + 1, CountNativeContexts()); |
whesse@chromium.org | 4a5224e | 2010-10-20 12:37:07 +0000 | [diff] [blame] | 1307 | |
| 1308 | ctx[i]->Enter(); |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 1309 | |
| 1310 | // Create a handle scope so no function objects get stuch in the outer |
| 1311 | // handle scope |
svenpanne@chromium.org | 2bda543 | 2013-03-15 12:39:50 +0000 | [diff] [blame] | 1312 | HandleScope scope(isolate); |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 1313 | const char* source = "function f1() { };" |
| 1314 | "function f2() { };" |
| 1315 | "function f3() { };" |
| 1316 | "function f4() { };" |
| 1317 | "function f5() { };"; |
| 1318 | CompileRun(source); |
| 1319 | CHECK_EQ(0, CountOptimizedUserFunctions(ctx[i])); |
| 1320 | CompileRun("f1()"); |
| 1321 | CHECK_EQ(opt ? 1 : 0, CountOptimizedUserFunctions(ctx[i])); |
| 1322 | CompileRun("f2()"); |
| 1323 | CHECK_EQ(opt ? 2 : 0, CountOptimizedUserFunctions(ctx[i])); |
| 1324 | CompileRun("f3()"); |
| 1325 | CHECK_EQ(opt ? 3 : 0, CountOptimizedUserFunctions(ctx[i])); |
| 1326 | CompileRun("f4()"); |
| 1327 | CHECK_EQ(opt ? 4 : 0, CountOptimizedUserFunctions(ctx[i])); |
| 1328 | CompileRun("f5()"); |
| 1329 | CHECK_EQ(opt ? 5 : 0, CountOptimizedUserFunctions(ctx[i])); |
| 1330 | |
| 1331 | // Remove function f1, and |
| 1332 | CompileRun("f1=null"); |
| 1333 | |
| 1334 | // Scavenge treats these references as strong. |
| 1335 | for (int j = 0; j < 10; j++) { |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 1336 | HEAP->PerformScavenge(); |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 1337 | CHECK_EQ(opt ? 5 : 0, CountOptimizedUserFunctions(ctx[i])); |
| 1338 | } |
| 1339 | |
| 1340 | // Mark compact handles the weak references. |
yangguo@chromium.org | c03a192 | 2013-02-19 13:55:47 +0000 | [diff] [blame] | 1341 | isolate->compilation_cache()->Clear(); |
| 1342 | heap->CollectAllGarbage(Heap::kNoGCFlags); |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 1343 | CHECK_EQ(opt ? 4 : 0, CountOptimizedUserFunctions(ctx[i])); |
| 1344 | |
| 1345 | // Get rid of f3 and f5 in the same way. |
| 1346 | CompileRun("f3=null"); |
| 1347 | for (int j = 0; j < 10; j++) { |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 1348 | HEAP->PerformScavenge(); |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 1349 | CHECK_EQ(opt ? 4 : 0, CountOptimizedUserFunctions(ctx[i])); |
| 1350 | } |
erik.corry@gmail.com | c3b670f | 2011-10-05 21:44:48 +0000 | [diff] [blame] | 1351 | HEAP->CollectAllGarbage(Heap::kNoGCFlags); |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 1352 | CHECK_EQ(opt ? 3 : 0, CountOptimizedUserFunctions(ctx[i])); |
| 1353 | CompileRun("f5=null"); |
| 1354 | for (int j = 0; j < 10; j++) { |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 1355 | HEAP->PerformScavenge(); |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 1356 | CHECK_EQ(opt ? 3 : 0, CountOptimizedUserFunctions(ctx[i])); |
| 1357 | } |
erik.corry@gmail.com | c3b670f | 2011-10-05 21:44:48 +0000 | [diff] [blame] | 1358 | HEAP->CollectAllGarbage(Heap::kNoGCFlags); |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 1359 | CHECK_EQ(opt ? 2 : 0, CountOptimizedUserFunctions(ctx[i])); |
| 1360 | |
whesse@chromium.org | 4a5224e | 2010-10-20 12:37:07 +0000 | [diff] [blame] | 1361 | ctx[i]->Exit(); |
| 1362 | } |
| 1363 | |
| 1364 | // Force compilation cache cleanup. |
erik.corry@gmail.com | c3b670f | 2011-10-05 21:44:48 +0000 | [diff] [blame] | 1365 | HEAP->CollectAllGarbage(Heap::kNoGCFlags); |
whesse@chromium.org | 4a5224e | 2010-10-20 12:37:07 +0000 | [diff] [blame] | 1366 | |
yangguo@chromium.org | 46839fb | 2012-08-28 09:06:19 +0000 | [diff] [blame] | 1367 | // Dispose the native contexts one by one. |
whesse@chromium.org | 4a5224e | 2010-10-20 12:37:07 +0000 | [diff] [blame] | 1368 | for (int i = 0; i < kNumTestContexts; i++) { |
mvstanton@chromium.org | d16d853 | 2013-01-25 13:29:10 +0000 | [diff] [blame] | 1369 | ctx[i].Dispose(ctx[i]->GetIsolate()); |
whesse@chromium.org | 4a5224e | 2010-10-20 12:37:07 +0000 | [diff] [blame] | 1370 | ctx[i].Clear(); |
| 1371 | |
| 1372 | // Scavenge treats these references as strong. |
| 1373 | for (int j = 0; j < 10; j++) { |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 1374 | HEAP->PerformScavenge(); |
yangguo@chromium.org | 46839fb | 2012-08-28 09:06:19 +0000 | [diff] [blame] | 1375 | CHECK_EQ(kNumTestContexts - i, CountNativeContexts()); |
whesse@chromium.org | 4a5224e | 2010-10-20 12:37:07 +0000 | [diff] [blame] | 1376 | } |
| 1377 | |
| 1378 | // Mark compact handles the weak references. |
erik.corry@gmail.com | c3b670f | 2011-10-05 21:44:48 +0000 | [diff] [blame] | 1379 | HEAP->CollectAllGarbage(Heap::kNoGCFlags); |
yangguo@chromium.org | 46839fb | 2012-08-28 09:06:19 +0000 | [diff] [blame] | 1380 | CHECK_EQ(kNumTestContexts - i - 1, CountNativeContexts()); |
whesse@chromium.org | 4a5224e | 2010-10-20 12:37:07 +0000 | [diff] [blame] | 1381 | } |
| 1382 | |
yangguo@chromium.org | 46839fb | 2012-08-28 09:06:19 +0000 | [diff] [blame] | 1383 | CHECK_EQ(0, CountNativeContexts()); |
whesse@chromium.org | 4a5224e | 2010-10-20 12:37:07 +0000 | [diff] [blame] | 1384 | } |
| 1385 | |
| 1386 | |
yangguo@chromium.org | 46839fb | 2012-08-28 09:06:19 +0000 | [diff] [blame] | 1387 | // Count the number of native contexts in the weak list of native contexts |
whesse@chromium.org | 4a5224e | 2010-10-20 12:37:07 +0000 | [diff] [blame] | 1388 | // causing a GC after the specified number of elements. |
ulan@chromium.org | 09d7ab5 | 2013-02-25 15:50:35 +0000 | [diff] [blame] | 1389 | static int CountNativeContextsWithGC(Isolate* isolate, int n) { |
| 1390 | Heap* heap = isolate->heap(); |
whesse@chromium.org | 4a5224e | 2010-10-20 12:37:07 +0000 | [diff] [blame] | 1391 | int count = 0; |
ulan@chromium.org | 09d7ab5 | 2013-02-25 15:50:35 +0000 | [diff] [blame] | 1392 | Handle<Object> object(heap->native_contexts_list(), isolate); |
whesse@chromium.org | 4a5224e | 2010-10-20 12:37:07 +0000 | [diff] [blame] | 1393 | while (!object->IsUndefined()) { |
| 1394 | count++; |
ulan@chromium.org | 09d7ab5 | 2013-02-25 15:50:35 +0000 | [diff] [blame] | 1395 | if (count == n) heap->CollectAllGarbage(Heap::kNoGCFlags); |
whesse@chromium.org | 4a5224e | 2010-10-20 12:37:07 +0000 | [diff] [blame] | 1396 | object = |
ulan@chromium.org | 09d7ab5 | 2013-02-25 15:50:35 +0000 | [diff] [blame] | 1397 | Handle<Object>(Context::cast(*object)->get(Context::NEXT_CONTEXT_LINK), |
| 1398 | isolate); |
whesse@chromium.org | 4a5224e | 2010-10-20 12:37:07 +0000 | [diff] [blame] | 1399 | } |
| 1400 | return count; |
| 1401 | } |
| 1402 | |
| 1403 | |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 1404 | // Count the number of user functions in the weak list of optimized |
yangguo@chromium.org | 46839fb | 2012-08-28 09:06:19 +0000 | [diff] [blame] | 1405 | // functions attached to a native context causing a GC after the |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 1406 | // specified number of elements. |
| 1407 | static int CountOptimizedUserFunctionsWithGC(v8::Handle<v8::Context> context, |
| 1408 | int n) { |
| 1409 | int count = 0; |
| 1410 | Handle<Context> icontext = v8::Utils::OpenHandle(*context); |
ulan@chromium.org | 09d7ab5 | 2013-02-25 15:50:35 +0000 | [diff] [blame] | 1411 | Isolate* isolate = icontext->GetIsolate(); |
| 1412 | Handle<Object> object(icontext->get(Context::OPTIMIZED_FUNCTIONS_LIST), |
| 1413 | isolate); |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 1414 | while (object->IsJSFunction() && |
| 1415 | !Handle<JSFunction>::cast(object)->IsBuiltin()) { |
| 1416 | count++; |
ulan@chromium.org | 09d7ab5 | 2013-02-25 15:50:35 +0000 | [diff] [blame] | 1417 | if (count == n) isolate->heap()->CollectAllGarbage(Heap::kNoGCFlags); |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 1418 | object = Handle<Object>( |
ulan@chromium.org | 09d7ab5 | 2013-02-25 15:50:35 +0000 | [diff] [blame] | 1419 | Object::cast(JSFunction::cast(*object)->next_function_link()), |
| 1420 | isolate); |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 1421 | } |
| 1422 | return count; |
| 1423 | } |
| 1424 | |
| 1425 | |
whesse@chromium.org | 4a5224e | 2010-10-20 12:37:07 +0000 | [diff] [blame] | 1426 | TEST(TestInternalWeakListsTraverseWithGC) { |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 1427 | v8::V8::Initialize(); |
ulan@chromium.org | 09d7ab5 | 2013-02-25 15:50:35 +0000 | [diff] [blame] | 1428 | Isolate* isolate = Isolate::Current(); |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 1429 | |
whesse@chromium.org | 4a5224e | 2010-10-20 12:37:07 +0000 | [diff] [blame] | 1430 | static const int kNumTestContexts = 10; |
| 1431 | |
svenpanne@chromium.org | 2bda543 | 2013-03-15 12:39:50 +0000 | [diff] [blame] | 1432 | HandleScope scope(isolate); |
whesse@chromium.org | 4a5224e | 2010-10-20 12:37:07 +0000 | [diff] [blame] | 1433 | v8::Persistent<v8::Context> ctx[kNumTestContexts]; |
| 1434 | |
yangguo@chromium.org | 46839fb | 2012-08-28 09:06:19 +0000 | [diff] [blame] | 1435 | CHECK_EQ(0, CountNativeContexts()); |
whesse@chromium.org | 4a5224e | 2010-10-20 12:37:07 +0000 | [diff] [blame] | 1436 | |
| 1437 | // Create an number of contexts and check the length of the weak list both |
| 1438 | // with and without GCs while iterating the list. |
| 1439 | for (int i = 0; i < kNumTestContexts; i++) { |
| 1440 | ctx[i] = v8::Context::New(); |
yangguo@chromium.org | 46839fb | 2012-08-28 09:06:19 +0000 | [diff] [blame] | 1441 | CHECK_EQ(i + 1, CountNativeContexts()); |
ulan@chromium.org | 09d7ab5 | 2013-02-25 15:50:35 +0000 | [diff] [blame] | 1442 | CHECK_EQ(i + 1, CountNativeContextsWithGC(isolate, i / 2 + 1)); |
whesse@chromium.org | 4a5224e | 2010-10-20 12:37:07 +0000 | [diff] [blame] | 1443 | } |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 1444 | |
| 1445 | bool opt = (FLAG_always_opt && i::V8::UseCrankshaft()); |
| 1446 | |
| 1447 | // Compile a number of functions the length of the weak list of optimized |
| 1448 | // functions both with and without GCs while iterating the list. |
| 1449 | ctx[0]->Enter(); |
| 1450 | const char* source = "function f1() { };" |
| 1451 | "function f2() { };" |
| 1452 | "function f3() { };" |
| 1453 | "function f4() { };" |
| 1454 | "function f5() { };"; |
| 1455 | CompileRun(source); |
| 1456 | CHECK_EQ(0, CountOptimizedUserFunctions(ctx[0])); |
| 1457 | CompileRun("f1()"); |
| 1458 | CHECK_EQ(opt ? 1 : 0, CountOptimizedUserFunctions(ctx[0])); |
| 1459 | CHECK_EQ(opt ? 1 : 0, CountOptimizedUserFunctionsWithGC(ctx[0], 1)); |
| 1460 | CompileRun("f2()"); |
| 1461 | CHECK_EQ(opt ? 2 : 0, CountOptimizedUserFunctions(ctx[0])); |
| 1462 | CHECK_EQ(opt ? 2 : 0, CountOptimizedUserFunctionsWithGC(ctx[0], 1)); |
| 1463 | CompileRun("f3()"); |
| 1464 | CHECK_EQ(opt ? 3 : 0, CountOptimizedUserFunctions(ctx[0])); |
| 1465 | CHECK_EQ(opt ? 3 : 0, CountOptimizedUserFunctionsWithGC(ctx[0], 1)); |
| 1466 | CompileRun("f4()"); |
| 1467 | CHECK_EQ(opt ? 4 : 0, CountOptimizedUserFunctions(ctx[0])); |
| 1468 | CHECK_EQ(opt ? 4 : 0, CountOptimizedUserFunctionsWithGC(ctx[0], 2)); |
| 1469 | CompileRun("f5()"); |
| 1470 | CHECK_EQ(opt ? 5 : 0, CountOptimizedUserFunctions(ctx[0])); |
| 1471 | CHECK_EQ(opt ? 5 : 0, CountOptimizedUserFunctionsWithGC(ctx[0], 4)); |
| 1472 | |
| 1473 | ctx[0]->Exit(); |
whesse@chromium.org | 4a5224e | 2010-10-20 12:37:07 +0000 | [diff] [blame] | 1474 | } |
erik.corry@gmail.com | 4a6c327 | 2010-11-18 12:04:40 +0000 | [diff] [blame] | 1475 | |
| 1476 | |
erik.corry@gmail.com | f2038fb | 2012-01-16 11:42:08 +0000 | [diff] [blame] | 1477 | TEST(TestSizeOfObjects) { |
| 1478 | v8::V8::Initialize(); |
| 1479 | |
| 1480 | // Get initial heap size after several full GCs, which will stabilize |
| 1481 | // the heap size and return with sweeping finished completely. |
| 1482 | HEAP->CollectAllGarbage(Heap::kNoGCFlags); |
| 1483 | HEAP->CollectAllGarbage(Heap::kNoGCFlags); |
| 1484 | HEAP->CollectAllGarbage(Heap::kNoGCFlags); |
| 1485 | HEAP->CollectAllGarbage(Heap::kNoGCFlags); |
yangguo@chromium.org | 5a11aaf | 2012-06-20 11:29:00 +0000 | [diff] [blame] | 1486 | HEAP->CollectAllGarbage(Heap::kNoGCFlags); |
mmassi@chromium.org | 2f0efde | 2013-02-06 14:12:58 +0000 | [diff] [blame] | 1487 | CHECK(HEAP->old_pointer_space()->IsLazySweepingComplete()); |
erik.corry@gmail.com | f2038fb | 2012-01-16 11:42:08 +0000 | [diff] [blame] | 1488 | int initial_size = static_cast<int>(HEAP->SizeOfObjects()); |
| 1489 | |
| 1490 | { |
| 1491 | // Allocate objects on several different old-space pages so that |
| 1492 | // lazy sweeping kicks in for subsequent GC runs. |
| 1493 | AlwaysAllocateScope always_allocate; |
| 1494 | int filler_size = static_cast<int>(FixedArray::SizeFor(8192)); |
| 1495 | for (int i = 1; i <= 100; i++) { |
| 1496 | HEAP->AllocateFixedArray(8192, TENURED)->ToObjectChecked(); |
| 1497 | CHECK_EQ(initial_size + i * filler_size, |
| 1498 | static_cast<int>(HEAP->SizeOfObjects())); |
| 1499 | } |
| 1500 | } |
| 1501 | |
| 1502 | // The heap size should go back to initial size after a full GC, even |
| 1503 | // though sweeping didn't finish yet. |
| 1504 | HEAP->CollectAllGarbage(Heap::kNoGCFlags); |
danno@chromium.org | 2c26cb1 | 2012-05-03 09:06:43 +0000 | [diff] [blame] | 1505 | |
| 1506 | // Normally sweeping would not be complete here, but no guarantees. |
| 1507 | |
erik.corry@gmail.com | f2038fb | 2012-01-16 11:42:08 +0000 | [diff] [blame] | 1508 | CHECK_EQ(initial_size, static_cast<int>(HEAP->SizeOfObjects())); |
| 1509 | |
| 1510 | // Advancing the sweeper step-wise should not change the heap size. |
mmassi@chromium.org | 2f0efde | 2013-02-06 14:12:58 +0000 | [diff] [blame] | 1511 | while (!HEAP->old_pointer_space()->IsLazySweepingComplete()) { |
erik.corry@gmail.com | f2038fb | 2012-01-16 11:42:08 +0000 | [diff] [blame] | 1512 | HEAP->old_pointer_space()->AdvanceSweeper(KB); |
| 1513 | CHECK_EQ(initial_size, static_cast<int>(HEAP->SizeOfObjects())); |
| 1514 | } |
| 1515 | } |
| 1516 | |
| 1517 | |
erik.corry@gmail.com | 4a6c327 | 2010-11-18 12:04:40 +0000 | [diff] [blame] | 1518 | TEST(TestSizeOfObjectsVsHeapIteratorPrecision) { |
mstarzinger@chromium.org | e27d617 | 2013-04-17 11:51:44 +0000 | [diff] [blame^] | 1519 | CcTest::InitializeVM(); |
erik.corry@gmail.com | c3b670f | 2011-10-05 21:44:48 +0000 | [diff] [blame] | 1520 | HEAP->EnsureHeapIsIterable(); |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 1521 | intptr_t size_of_objects_1 = HEAP->SizeOfObjects(); |
hpayer@chromium.org | 7c3372b | 2013-02-13 17:26:04 +0000 | [diff] [blame] | 1522 | HeapIterator iterator(HEAP); |
erik.corry@gmail.com | 4a6c327 | 2010-11-18 12:04:40 +0000 | [diff] [blame] | 1523 | intptr_t size_of_objects_2 = 0; |
| 1524 | for (HeapObject* obj = iterator.next(); |
| 1525 | obj != NULL; |
| 1526 | obj = iterator.next()) { |
ulan@chromium.org | 56c14af | 2012-09-20 12:51:09 +0000 | [diff] [blame] | 1527 | if (!obj->IsFreeSpace()) { |
| 1528 | size_of_objects_2 += obj->Size(); |
| 1529 | } |
erik.corry@gmail.com | 4a6c327 | 2010-11-18 12:04:40 +0000 | [diff] [blame] | 1530 | } |
erik.corry@gmail.com | c3b670f | 2011-10-05 21:44:48 +0000 | [diff] [blame] | 1531 | // Delta must be within 5% of the larger result. |
| 1532 | // TODO(gc): Tighten this up by distinguishing between byte |
| 1533 | // arrays that are real and those that merely mark free space |
| 1534 | // on the heap. |
erik.corry@gmail.com | 4a6c327 | 2010-11-18 12:04:40 +0000 | [diff] [blame] | 1535 | if (size_of_objects_1 > size_of_objects_2) { |
| 1536 | intptr_t delta = size_of_objects_1 - size_of_objects_2; |
| 1537 | PrintF("Heap::SizeOfObjects: %" V8_PTR_PREFIX "d, " |
| 1538 | "Iterator: %" V8_PTR_PREFIX "d, " |
| 1539 | "delta: %" V8_PTR_PREFIX "d\n", |
| 1540 | size_of_objects_1, size_of_objects_2, delta); |
erik.corry@gmail.com | c3b670f | 2011-10-05 21:44:48 +0000 | [diff] [blame] | 1541 | CHECK_GT(size_of_objects_1 / 20, delta); |
erik.corry@gmail.com | 4a6c327 | 2010-11-18 12:04:40 +0000 | [diff] [blame] | 1542 | } else { |
| 1543 | intptr_t delta = size_of_objects_2 - size_of_objects_1; |
| 1544 | PrintF("Heap::SizeOfObjects: %" V8_PTR_PREFIX "d, " |
| 1545 | "Iterator: %" V8_PTR_PREFIX "d, " |
| 1546 | "delta: %" V8_PTR_PREFIX "d\n", |
| 1547 | size_of_objects_1, size_of_objects_2, delta); |
erik.corry@gmail.com | c3b670f | 2011-10-05 21:44:48 +0000 | [diff] [blame] | 1548 | CHECK_GT(size_of_objects_2 / 20, delta); |
erik.corry@gmail.com | 4a6c327 | 2010-11-18 12:04:40 +0000 | [diff] [blame] | 1549 | } |
| 1550 | } |
whesse@chromium.org | 023421e | 2010-12-21 12:19:12 +0000 | [diff] [blame] | 1551 | |
| 1552 | |
danno@chromium.org | c612e02 | 2011-11-10 11:38:15 +0000 | [diff] [blame] | 1553 | static void FillUpNewSpace(NewSpace* new_space) { |
| 1554 | // Fill up new space to the point that it is completely full. Make sure |
| 1555 | // that the scavenger does not undo the filling. |
svenpanne@chromium.org | 2bda543 | 2013-03-15 12:39:50 +0000 | [diff] [blame] | 1556 | Heap* heap = new_space->heap(); |
| 1557 | Isolate* isolate = heap->isolate(); |
| 1558 | Factory* factory = isolate->factory(); |
| 1559 | HandleScope scope(isolate); |
danno@chromium.org | c612e02 | 2011-11-10 11:38:15 +0000 | [diff] [blame] | 1560 | AlwaysAllocateScope always_allocate; |
| 1561 | intptr_t available = new_space->EffectiveCapacity() - new_space->Size(); |
fschneider@chromium.org | 7d10be5 | 2012-04-10 12:30:14 +0000 | [diff] [blame] | 1562 | intptr_t number_of_fillers = (available / FixedArray::SizeFor(32)) - 1; |
danno@chromium.org | c612e02 | 2011-11-10 11:38:15 +0000 | [diff] [blame] | 1563 | for (intptr_t i = 0; i < number_of_fillers; i++) { |
svenpanne@chromium.org | 2bda543 | 2013-03-15 12:39:50 +0000 | [diff] [blame] | 1564 | CHECK(heap->InNewSpace(*factory->NewFixedArray(32, NOT_TENURED))); |
danno@chromium.org | c612e02 | 2011-11-10 11:38:15 +0000 | [diff] [blame] | 1565 | } |
| 1566 | } |
| 1567 | |
| 1568 | |
erik.corry@gmail.com | c3b670f | 2011-10-05 21:44:48 +0000 | [diff] [blame] | 1569 | TEST(GrowAndShrinkNewSpace) { |
mstarzinger@chromium.org | e27d617 | 2013-04-17 11:51:44 +0000 | [diff] [blame^] | 1570 | CcTest::InitializeVM(); |
erik.corry@gmail.com | c3b670f | 2011-10-05 21:44:48 +0000 | [diff] [blame] | 1571 | NewSpace* new_space = HEAP->new_space(); |
| 1572 | |
mstarzinger@chromium.org | 471f2f1 | 2012-08-10 14:46:33 +0000 | [diff] [blame] | 1573 | if (HEAP->ReservedSemiSpaceSize() == HEAP->InitialSemiSpaceSize() || |
| 1574 | HEAP->MaxSemiSpaceSize() == HEAP->InitialSemiSpaceSize()) { |
danno@chromium.org | 1044a4d | 2012-04-30 12:34:39 +0000 | [diff] [blame] | 1575 | // The max size cannot exceed the reserved size, since semispaces must be |
| 1576 | // always within the reserved space. We can't test new space growing and |
| 1577 | // shrinking if the reserved size is the same as the minimum (initial) size. |
| 1578 | return; |
| 1579 | } |
| 1580 | |
erik.corry@gmail.com | c3b670f | 2011-10-05 21:44:48 +0000 | [diff] [blame] | 1581 | // Explicitly growing should double the space capacity. |
| 1582 | intptr_t old_capacity, new_capacity; |
| 1583 | old_capacity = new_space->Capacity(); |
| 1584 | new_space->Grow(); |
| 1585 | new_capacity = new_space->Capacity(); |
| 1586 | CHECK(2 * old_capacity == new_capacity); |
| 1587 | |
erik.corry@gmail.com | c3b670f | 2011-10-05 21:44:48 +0000 | [diff] [blame] | 1588 | old_capacity = new_space->Capacity(); |
danno@chromium.org | c612e02 | 2011-11-10 11:38:15 +0000 | [diff] [blame] | 1589 | FillUpNewSpace(new_space); |
erik.corry@gmail.com | c3b670f | 2011-10-05 21:44:48 +0000 | [diff] [blame] | 1590 | new_capacity = new_space->Capacity(); |
| 1591 | CHECK(old_capacity == new_capacity); |
whesse@chromium.org | 023421e | 2010-12-21 12:19:12 +0000 | [diff] [blame] | 1592 | |
erik.corry@gmail.com | c3b670f | 2011-10-05 21:44:48 +0000 | [diff] [blame] | 1593 | // Explicitly shrinking should not affect space capacity. |
| 1594 | old_capacity = new_space->Capacity(); |
| 1595 | new_space->Shrink(); |
| 1596 | new_capacity = new_space->Capacity(); |
| 1597 | CHECK(old_capacity == new_capacity); |
| 1598 | |
| 1599 | // Let the scavenger empty the new space. |
| 1600 | HEAP->CollectGarbage(NEW_SPACE); |
| 1601 | CHECK_LE(new_space->Size(), old_capacity); |
| 1602 | |
| 1603 | // Explicitly shrinking should halve the space capacity. |
| 1604 | old_capacity = new_space->Capacity(); |
| 1605 | new_space->Shrink(); |
| 1606 | new_capacity = new_space->Capacity(); |
| 1607 | CHECK(old_capacity == 2 * new_capacity); |
| 1608 | |
| 1609 | // Consecutive shrinking should not affect space capacity. |
| 1610 | old_capacity = new_space->Capacity(); |
| 1611 | new_space->Shrink(); |
| 1612 | new_space->Shrink(); |
| 1613 | new_space->Shrink(); |
| 1614 | new_capacity = new_space->Capacity(); |
| 1615 | CHECK(old_capacity == new_capacity); |
whesse@chromium.org | 023421e | 2010-12-21 12:19:12 +0000 | [diff] [blame] | 1616 | } |
danno@chromium.org | c612e02 | 2011-11-10 11:38:15 +0000 | [diff] [blame] | 1617 | |
| 1618 | |
| 1619 | TEST(CollectingAllAvailableGarbageShrinksNewSpace) { |
mstarzinger@chromium.org | e27d617 | 2013-04-17 11:51:44 +0000 | [diff] [blame^] | 1620 | CcTest::InitializeVM(); |
danno@chromium.org | 1044a4d | 2012-04-30 12:34:39 +0000 | [diff] [blame] | 1621 | |
mstarzinger@chromium.org | 471f2f1 | 2012-08-10 14:46:33 +0000 | [diff] [blame] | 1622 | if (HEAP->ReservedSemiSpaceSize() == HEAP->InitialSemiSpaceSize() || |
| 1623 | HEAP->MaxSemiSpaceSize() == HEAP->InitialSemiSpaceSize()) { |
danno@chromium.org | 1044a4d | 2012-04-30 12:34:39 +0000 | [diff] [blame] | 1624 | // The max size cannot exceed the reserved size, since semispaces must be |
| 1625 | // always within the reserved space. We can't test new space growing and |
| 1626 | // shrinking if the reserved size is the same as the minimum (initial) size. |
| 1627 | return; |
| 1628 | } |
| 1629 | |
mstarzinger@chromium.org | e27d617 | 2013-04-17 11:51:44 +0000 | [diff] [blame^] | 1630 | v8::HandleScope scope(CcTest::isolate()); |
danno@chromium.org | c612e02 | 2011-11-10 11:38:15 +0000 | [diff] [blame] | 1631 | NewSpace* new_space = HEAP->new_space(); |
| 1632 | intptr_t old_capacity, new_capacity; |
| 1633 | old_capacity = new_space->Capacity(); |
| 1634 | new_space->Grow(); |
| 1635 | new_capacity = new_space->Capacity(); |
| 1636 | CHECK(2 * old_capacity == new_capacity); |
| 1637 | FillUpNewSpace(new_space); |
| 1638 | HEAP->CollectAllAvailableGarbage(); |
| 1639 | new_capacity = new_space->Capacity(); |
| 1640 | CHECK(old_capacity == new_capacity); |
| 1641 | } |
svenpanne@chromium.org | ecb9dd6 | 2011-12-01 08:22:35 +0000 | [diff] [blame] | 1642 | |
ricow@chromium.org | 7ad6522 | 2011-12-19 12:13:11 +0000 | [diff] [blame] | 1643 | |
| 1644 | static int NumberOfGlobalObjects() { |
| 1645 | int count = 0; |
hpayer@chromium.org | 7c3372b | 2013-02-13 17:26:04 +0000 | [diff] [blame] | 1646 | HeapIterator iterator(HEAP); |
ricow@chromium.org | 7ad6522 | 2011-12-19 12:13:11 +0000 | [diff] [blame] | 1647 | for (HeapObject* obj = iterator.next(); obj != NULL; obj = iterator.next()) { |
| 1648 | if (obj->IsGlobalObject()) count++; |
| 1649 | } |
| 1650 | return count; |
| 1651 | } |
| 1652 | |
| 1653 | |
| 1654 | // Test that we don't embed maps from foreign contexts into |
| 1655 | // optimized code. |
yangguo@chromium.org | 46839fb | 2012-08-28 09:06:19 +0000 | [diff] [blame] | 1656 | TEST(LeakNativeContextViaMap) { |
danno@chromium.org | e78f9fc | 2011-12-21 08:29:34 +0000 | [diff] [blame] | 1657 | i::FLAG_allow_natives_syntax = true; |
svenpanne@chromium.org | 2bda543 | 2013-03-15 12:39:50 +0000 | [diff] [blame] | 1658 | v8::HandleScope outer_scope(v8::Isolate::GetCurrent()); |
ricow@chromium.org | 7ad6522 | 2011-12-19 12:13:11 +0000 | [diff] [blame] | 1659 | v8::Persistent<v8::Context> ctx1 = v8::Context::New(); |
| 1660 | v8::Persistent<v8::Context> ctx2 = v8::Context::New(); |
| 1661 | ctx1->Enter(); |
| 1662 | |
| 1663 | HEAP->CollectAllAvailableGarbage(); |
| 1664 | CHECK_EQ(4, NumberOfGlobalObjects()); |
| 1665 | |
| 1666 | { |
svenpanne@chromium.org | 2bda543 | 2013-03-15 12:39:50 +0000 | [diff] [blame] | 1667 | v8::HandleScope inner_scope(v8::Isolate::GetCurrent()); |
ricow@chromium.org | 7ad6522 | 2011-12-19 12:13:11 +0000 | [diff] [blame] | 1668 | CompileRun("var v = {x: 42}"); |
| 1669 | v8::Local<v8::Value> v = ctx1->Global()->Get(v8_str("v")); |
| 1670 | ctx2->Enter(); |
| 1671 | ctx2->Global()->Set(v8_str("o"), v); |
| 1672 | v8::Local<v8::Value> res = CompileRun( |
| 1673 | "function f() { return o.x; }" |
danno@chromium.org | e78f9fc | 2011-12-21 08:29:34 +0000 | [diff] [blame] | 1674 | "for (var i = 0; i < 10; ++i) f();" |
| 1675 | "%OptimizeFunctionOnNextCall(f);" |
ricow@chromium.org | 7ad6522 | 2011-12-19 12:13:11 +0000 | [diff] [blame] | 1676 | "f();"); |
| 1677 | CHECK_EQ(42, res->Int32Value()); |
| 1678 | ctx2->Global()->Set(v8_str("o"), v8::Int32::New(0)); |
| 1679 | ctx2->Exit(); |
| 1680 | ctx1->Exit(); |
mvstanton@chromium.org | d16d853 | 2013-01-25 13:29:10 +0000 | [diff] [blame] | 1681 | ctx1.Dispose(ctx1->GetIsolate()); |
svenpanne@chromium.org | c859c4f | 2012-10-15 11:51:39 +0000 | [diff] [blame] | 1682 | v8::V8::ContextDisposedNotification(); |
ricow@chromium.org | 7ad6522 | 2011-12-19 12:13:11 +0000 | [diff] [blame] | 1683 | } |
| 1684 | HEAP->CollectAllAvailableGarbage(); |
| 1685 | CHECK_EQ(2, NumberOfGlobalObjects()); |
mvstanton@chromium.org | d16d853 | 2013-01-25 13:29:10 +0000 | [diff] [blame] | 1686 | ctx2.Dispose(ctx2->GetIsolate()); |
ricow@chromium.org | 7ad6522 | 2011-12-19 12:13:11 +0000 | [diff] [blame] | 1687 | HEAP->CollectAllAvailableGarbage(); |
| 1688 | CHECK_EQ(0, NumberOfGlobalObjects()); |
| 1689 | } |
| 1690 | |
| 1691 | |
| 1692 | // Test that we don't embed functions from foreign contexts into |
| 1693 | // optimized code. |
yangguo@chromium.org | 46839fb | 2012-08-28 09:06:19 +0000 | [diff] [blame] | 1694 | TEST(LeakNativeContextViaFunction) { |
danno@chromium.org | e78f9fc | 2011-12-21 08:29:34 +0000 | [diff] [blame] | 1695 | i::FLAG_allow_natives_syntax = true; |
svenpanne@chromium.org | 2bda543 | 2013-03-15 12:39:50 +0000 | [diff] [blame] | 1696 | v8::HandleScope outer_scope(v8::Isolate::GetCurrent()); |
ricow@chromium.org | 7ad6522 | 2011-12-19 12:13:11 +0000 | [diff] [blame] | 1697 | v8::Persistent<v8::Context> ctx1 = v8::Context::New(); |
| 1698 | v8::Persistent<v8::Context> ctx2 = v8::Context::New(); |
| 1699 | ctx1->Enter(); |
| 1700 | |
| 1701 | HEAP->CollectAllAvailableGarbage(); |
| 1702 | CHECK_EQ(4, NumberOfGlobalObjects()); |
| 1703 | |
| 1704 | { |
svenpanne@chromium.org | 2bda543 | 2013-03-15 12:39:50 +0000 | [diff] [blame] | 1705 | v8::HandleScope inner_scope(v8::Isolate::GetCurrent()); |
ricow@chromium.org | 7ad6522 | 2011-12-19 12:13:11 +0000 | [diff] [blame] | 1706 | CompileRun("var v = function() { return 42; }"); |
| 1707 | v8::Local<v8::Value> v = ctx1->Global()->Get(v8_str("v")); |
| 1708 | ctx2->Enter(); |
| 1709 | ctx2->Global()->Set(v8_str("o"), v); |
| 1710 | v8::Local<v8::Value> res = CompileRun( |
| 1711 | "function f(x) { return x(); }" |
danno@chromium.org | e78f9fc | 2011-12-21 08:29:34 +0000 | [diff] [blame] | 1712 | "for (var i = 0; i < 10; ++i) f(o);" |
| 1713 | "%OptimizeFunctionOnNextCall(f);" |
ricow@chromium.org | 7ad6522 | 2011-12-19 12:13:11 +0000 | [diff] [blame] | 1714 | "f(o);"); |
| 1715 | CHECK_EQ(42, res->Int32Value()); |
| 1716 | ctx2->Global()->Set(v8_str("o"), v8::Int32::New(0)); |
| 1717 | ctx2->Exit(); |
| 1718 | ctx1->Exit(); |
mvstanton@chromium.org | d16d853 | 2013-01-25 13:29:10 +0000 | [diff] [blame] | 1719 | ctx1.Dispose(ctx1->GetIsolate()); |
svenpanne@chromium.org | c859c4f | 2012-10-15 11:51:39 +0000 | [diff] [blame] | 1720 | v8::V8::ContextDisposedNotification(); |
ricow@chromium.org | 7ad6522 | 2011-12-19 12:13:11 +0000 | [diff] [blame] | 1721 | } |
| 1722 | HEAP->CollectAllAvailableGarbage(); |
| 1723 | CHECK_EQ(2, NumberOfGlobalObjects()); |
mvstanton@chromium.org | d16d853 | 2013-01-25 13:29:10 +0000 | [diff] [blame] | 1724 | ctx2.Dispose(ctx2->GetIsolate()); |
ricow@chromium.org | 7ad6522 | 2011-12-19 12:13:11 +0000 | [diff] [blame] | 1725 | HEAP->CollectAllAvailableGarbage(); |
| 1726 | CHECK_EQ(0, NumberOfGlobalObjects()); |
| 1727 | } |
danno@chromium.org | e78f9fc | 2011-12-21 08:29:34 +0000 | [diff] [blame] | 1728 | |
| 1729 | |
yangguo@chromium.org | 46839fb | 2012-08-28 09:06:19 +0000 | [diff] [blame] | 1730 | TEST(LeakNativeContextViaMapKeyed) { |
danno@chromium.org | e78f9fc | 2011-12-21 08:29:34 +0000 | [diff] [blame] | 1731 | i::FLAG_allow_natives_syntax = true; |
svenpanne@chromium.org | 2bda543 | 2013-03-15 12:39:50 +0000 | [diff] [blame] | 1732 | v8::HandleScope outer_scope(v8::Isolate::GetCurrent()); |
danno@chromium.org | e78f9fc | 2011-12-21 08:29:34 +0000 | [diff] [blame] | 1733 | v8::Persistent<v8::Context> ctx1 = v8::Context::New(); |
| 1734 | v8::Persistent<v8::Context> ctx2 = v8::Context::New(); |
| 1735 | ctx1->Enter(); |
| 1736 | |
| 1737 | HEAP->CollectAllAvailableGarbage(); |
| 1738 | CHECK_EQ(4, NumberOfGlobalObjects()); |
| 1739 | |
| 1740 | { |
svenpanne@chromium.org | 2bda543 | 2013-03-15 12:39:50 +0000 | [diff] [blame] | 1741 | v8::HandleScope inner_scope(v8::Isolate::GetCurrent()); |
danno@chromium.org | e78f9fc | 2011-12-21 08:29:34 +0000 | [diff] [blame] | 1742 | CompileRun("var v = [42, 43]"); |
| 1743 | v8::Local<v8::Value> v = ctx1->Global()->Get(v8_str("v")); |
| 1744 | ctx2->Enter(); |
| 1745 | ctx2->Global()->Set(v8_str("o"), v); |
| 1746 | v8::Local<v8::Value> res = CompileRun( |
| 1747 | "function f() { return o[0]; }" |
| 1748 | "for (var i = 0; i < 10; ++i) f();" |
| 1749 | "%OptimizeFunctionOnNextCall(f);" |
| 1750 | "f();"); |
| 1751 | CHECK_EQ(42, res->Int32Value()); |
| 1752 | ctx2->Global()->Set(v8_str("o"), v8::Int32::New(0)); |
| 1753 | ctx2->Exit(); |
| 1754 | ctx1->Exit(); |
mvstanton@chromium.org | d16d853 | 2013-01-25 13:29:10 +0000 | [diff] [blame] | 1755 | ctx1.Dispose(ctx1->GetIsolate()); |
svenpanne@chromium.org | c859c4f | 2012-10-15 11:51:39 +0000 | [diff] [blame] | 1756 | v8::V8::ContextDisposedNotification(); |
danno@chromium.org | e78f9fc | 2011-12-21 08:29:34 +0000 | [diff] [blame] | 1757 | } |
| 1758 | HEAP->CollectAllAvailableGarbage(); |
| 1759 | CHECK_EQ(2, NumberOfGlobalObjects()); |
mvstanton@chromium.org | d16d853 | 2013-01-25 13:29:10 +0000 | [diff] [blame] | 1760 | ctx2.Dispose(ctx2->GetIsolate()); |
danno@chromium.org | e78f9fc | 2011-12-21 08:29:34 +0000 | [diff] [blame] | 1761 | HEAP->CollectAllAvailableGarbage(); |
| 1762 | CHECK_EQ(0, NumberOfGlobalObjects()); |
| 1763 | } |
| 1764 | |
| 1765 | |
yangguo@chromium.org | 46839fb | 2012-08-28 09:06:19 +0000 | [diff] [blame] | 1766 | TEST(LeakNativeContextViaMapProto) { |
danno@chromium.org | e78f9fc | 2011-12-21 08:29:34 +0000 | [diff] [blame] | 1767 | i::FLAG_allow_natives_syntax = true; |
svenpanne@chromium.org | 2bda543 | 2013-03-15 12:39:50 +0000 | [diff] [blame] | 1768 | v8::HandleScope outer_scope(v8::Isolate::GetCurrent()); |
danno@chromium.org | e78f9fc | 2011-12-21 08:29:34 +0000 | [diff] [blame] | 1769 | v8::Persistent<v8::Context> ctx1 = v8::Context::New(); |
| 1770 | v8::Persistent<v8::Context> ctx2 = v8::Context::New(); |
| 1771 | ctx1->Enter(); |
| 1772 | |
| 1773 | HEAP->CollectAllAvailableGarbage(); |
| 1774 | CHECK_EQ(4, NumberOfGlobalObjects()); |
| 1775 | |
| 1776 | { |
svenpanne@chromium.org | 2bda543 | 2013-03-15 12:39:50 +0000 | [diff] [blame] | 1777 | v8::HandleScope inner_scope(v8::Isolate::GetCurrent()); |
danno@chromium.org | e78f9fc | 2011-12-21 08:29:34 +0000 | [diff] [blame] | 1778 | CompileRun("var v = { y: 42}"); |
| 1779 | v8::Local<v8::Value> v = ctx1->Global()->Get(v8_str("v")); |
| 1780 | ctx2->Enter(); |
| 1781 | ctx2->Global()->Set(v8_str("o"), v); |
| 1782 | v8::Local<v8::Value> res = CompileRun( |
| 1783 | "function f() {" |
| 1784 | " var p = {x: 42};" |
| 1785 | " p.__proto__ = o;" |
| 1786 | " return p.x;" |
| 1787 | "}" |
| 1788 | "for (var i = 0; i < 10; ++i) f();" |
| 1789 | "%OptimizeFunctionOnNextCall(f);" |
| 1790 | "f();"); |
| 1791 | CHECK_EQ(42, res->Int32Value()); |
| 1792 | ctx2->Global()->Set(v8_str("o"), v8::Int32::New(0)); |
| 1793 | ctx2->Exit(); |
| 1794 | ctx1->Exit(); |
mvstanton@chromium.org | d16d853 | 2013-01-25 13:29:10 +0000 | [diff] [blame] | 1795 | ctx1.Dispose(ctx1->GetIsolate()); |
svenpanne@chromium.org | c859c4f | 2012-10-15 11:51:39 +0000 | [diff] [blame] | 1796 | v8::V8::ContextDisposedNotification(); |
danno@chromium.org | e78f9fc | 2011-12-21 08:29:34 +0000 | [diff] [blame] | 1797 | } |
| 1798 | HEAP->CollectAllAvailableGarbage(); |
| 1799 | CHECK_EQ(2, NumberOfGlobalObjects()); |
mvstanton@chromium.org | d16d853 | 2013-01-25 13:29:10 +0000 | [diff] [blame] | 1800 | ctx2.Dispose(ctx2->GetIsolate()); |
danno@chromium.org | e78f9fc | 2011-12-21 08:29:34 +0000 | [diff] [blame] | 1801 | HEAP->CollectAllAvailableGarbage(); |
| 1802 | CHECK_EQ(0, NumberOfGlobalObjects()); |
| 1803 | } |
erik.corry@gmail.com | f2038fb | 2012-01-16 11:42:08 +0000 | [diff] [blame] | 1804 | |
| 1805 | |
| 1806 | TEST(InstanceOfStubWriteBarrier) { |
| 1807 | i::FLAG_allow_natives_syntax = true; |
svenpanne@chromium.org | c859c4f | 2012-10-15 11:51:39 +0000 | [diff] [blame] | 1808 | #ifdef VERIFY_HEAP |
erik.corry@gmail.com | f2038fb | 2012-01-16 11:42:08 +0000 | [diff] [blame] | 1809 | i::FLAG_verify_heap = true; |
| 1810 | #endif |
svenpanne@chromium.org | c859c4f | 2012-10-15 11:51:39 +0000 | [diff] [blame] | 1811 | |
mstarzinger@chromium.org | e27d617 | 2013-04-17 11:51:44 +0000 | [diff] [blame^] | 1812 | CcTest::InitializeVM(); |
erik.corry@gmail.com | f2038fb | 2012-01-16 11:42:08 +0000 | [diff] [blame] | 1813 | if (!i::V8::UseCrankshaft()) return; |
yangguo@chromium.org | fb37721 | 2012-11-16 14:43:43 +0000 | [diff] [blame] | 1814 | if (i::FLAG_force_marking_deque_overflows) return; |
svenpanne@chromium.org | 2bda543 | 2013-03-15 12:39:50 +0000 | [diff] [blame] | 1815 | v8::HandleScope outer_scope(v8::Isolate::GetCurrent()); |
erik.corry@gmail.com | f2038fb | 2012-01-16 11:42:08 +0000 | [diff] [blame] | 1816 | |
| 1817 | { |
svenpanne@chromium.org | 2bda543 | 2013-03-15 12:39:50 +0000 | [diff] [blame] | 1818 | v8::HandleScope scope(v8::Isolate::GetCurrent()); |
erik.corry@gmail.com | f2038fb | 2012-01-16 11:42:08 +0000 | [diff] [blame] | 1819 | CompileRun( |
| 1820 | "function foo () { }" |
| 1821 | "function mkbar () { return new (new Function(\"\")) (); }" |
| 1822 | "function f (x) { return (x instanceof foo); }" |
| 1823 | "function g () { f(mkbar()); }" |
| 1824 | "f(new foo()); f(new foo());" |
| 1825 | "%OptimizeFunctionOnNextCall(f);" |
| 1826 | "f(new foo()); g();"); |
| 1827 | } |
| 1828 | |
| 1829 | IncrementalMarking* marking = HEAP->incremental_marking(); |
| 1830 | marking->Abort(); |
| 1831 | marking->Start(); |
| 1832 | |
| 1833 | Handle<JSFunction> f = |
| 1834 | v8::Utils::OpenHandle( |
| 1835 | *v8::Handle<v8::Function>::Cast( |
| 1836 | v8::Context::GetCurrent()->Global()->Get(v8_str("f")))); |
| 1837 | |
| 1838 | CHECK(f->IsOptimized()); |
| 1839 | |
| 1840 | while (!Marking::IsBlack(Marking::MarkBitFrom(f->code())) && |
| 1841 | !marking->IsStopped()) { |
fschneider@chromium.org | 7d10be5 | 2012-04-10 12:30:14 +0000 | [diff] [blame] | 1842 | // Discard any pending GC requests otherwise we will get GC when we enter |
| 1843 | // code below. |
| 1844 | marking->Step(MB, IncrementalMarking::NO_GC_VIA_STACK_GUARD); |
erik.corry@gmail.com | f2038fb | 2012-01-16 11:42:08 +0000 | [diff] [blame] | 1845 | } |
| 1846 | |
| 1847 | CHECK(marking->IsMarking()); |
| 1848 | |
erik.corry@gmail.com | f2038fb | 2012-01-16 11:42:08 +0000 | [diff] [blame] | 1849 | { |
svenpanne@chromium.org | 2bda543 | 2013-03-15 12:39:50 +0000 | [diff] [blame] | 1850 | v8::HandleScope scope(v8::Isolate::GetCurrent()); |
erik.corry@gmail.com | f2038fb | 2012-01-16 11:42:08 +0000 | [diff] [blame] | 1851 | v8::Handle<v8::Object> global = v8::Context::GetCurrent()->Global(); |
| 1852 | v8::Handle<v8::Function> g = |
| 1853 | v8::Handle<v8::Function>::Cast(global->Get(v8_str("g"))); |
| 1854 | g->Call(global, 0, NULL); |
| 1855 | } |
| 1856 | |
| 1857 | HEAP->incremental_marking()->set_should_hurry(true); |
| 1858 | HEAP->CollectGarbage(OLD_POINTER_SPACE); |
| 1859 | } |
ulan@chromium.org | 2efb900 | 2012-01-19 15:36:35 +0000 | [diff] [blame] | 1860 | |
| 1861 | |
| 1862 | TEST(PrototypeTransitionClearing) { |
mstarzinger@chromium.org | e27d617 | 2013-04-17 11:51:44 +0000 | [diff] [blame^] | 1863 | CcTest::InitializeVM(); |
| 1864 | v8::HandleScope scope(CcTest::isolate()); |
ulan@chromium.org | 2efb900 | 2012-01-19 15:36:35 +0000 | [diff] [blame] | 1865 | |
| 1866 | CompileRun( |
| 1867 | "var base = {};" |
| 1868 | "var live = [];" |
| 1869 | "for (var i = 0; i < 10; i++) {" |
| 1870 | " var object = {};" |
| 1871 | " var prototype = {};" |
| 1872 | " object.__proto__ = prototype;" |
| 1873 | " if (i >= 3) live.push(object, prototype);" |
| 1874 | "}"); |
| 1875 | |
| 1876 | Handle<JSObject> baseObject = |
| 1877 | v8::Utils::OpenHandle( |
| 1878 | *v8::Handle<v8::Object>::Cast( |
| 1879 | v8::Context::GetCurrent()->Global()->Get(v8_str("base")))); |
| 1880 | |
ulan@chromium.org | f6a0c41 | 2012-06-15 12:31:06 +0000 | [diff] [blame] | 1881 | // Verify that only dead prototype transitions are cleared. |
| 1882 | CHECK_EQ(10, baseObject->map()->NumberOfProtoTransitions()); |
ulan@chromium.org | 2efb900 | 2012-01-19 15:36:35 +0000 | [diff] [blame] | 1883 | HEAP->CollectAllGarbage(Heap::kNoGCFlags); |
ulan@chromium.org | f6a0c41 | 2012-06-15 12:31:06 +0000 | [diff] [blame] | 1884 | const int transitions = 10 - 3; |
mmassi@chromium.org | 7028c05 | 2012-06-13 11:51:58 +0000 | [diff] [blame] | 1885 | CHECK_EQ(transitions, baseObject->map()->NumberOfProtoTransitions()); |
ulan@chromium.org | 2efb900 | 2012-01-19 15:36:35 +0000 | [diff] [blame] | 1886 | |
| 1887 | // Verify that prototype transitions array was compacted. |
danno@chromium.org | 81cac2b | 2012-07-10 11:28:27 +0000 | [diff] [blame] | 1888 | FixedArray* trans = baseObject->map()->GetPrototypeTransitions(); |
mmassi@chromium.org | 7028c05 | 2012-06-13 11:51:58 +0000 | [diff] [blame] | 1889 | for (int i = 0; i < transitions; i++) { |
ulan@chromium.org | 2efb900 | 2012-01-19 15:36:35 +0000 | [diff] [blame] | 1890 | int j = Map::kProtoTransitionHeaderSize + |
| 1891 | i * Map::kProtoTransitionElementsPerEntry; |
| 1892 | CHECK(trans->get(j + Map::kProtoTransitionMapOffset)->IsMap()); |
mmassi@chromium.org | 7028c05 | 2012-06-13 11:51:58 +0000 | [diff] [blame] | 1893 | Object* proto = trans->get(j + Map::kProtoTransitionPrototypeOffset); |
| 1894 | CHECK(proto->IsTheHole() || proto->IsJSObject()); |
ulan@chromium.org | 2efb900 | 2012-01-19 15:36:35 +0000 | [diff] [blame] | 1895 | } |
jkummerow@chromium.org | 05ed9dd | 2012-01-23 14:42:48 +0000 | [diff] [blame] | 1896 | |
| 1897 | // Make sure next prototype is placed on an old-space evacuation candidate. |
| 1898 | Handle<JSObject> prototype; |
| 1899 | PagedSpace* space = HEAP->old_pointer_space(); |
yangguo@chromium.org | fb37721 | 2012-11-16 14:43:43 +0000 | [diff] [blame] | 1900 | { |
| 1901 | AlwaysAllocateScope always_allocate; |
| 1902 | SimulateFullSpace(space); |
svenpanne@chromium.org | 830d30c | 2012-05-29 13:20:14 +0000 | [diff] [blame] | 1903 | prototype = FACTORY->NewJSArray(32 * KB, FAST_HOLEY_ELEMENTS, TENURED); |
yangguo@chromium.org | fb37721 | 2012-11-16 14:43:43 +0000 | [diff] [blame] | 1904 | } |
jkummerow@chromium.org | 05ed9dd | 2012-01-23 14:42:48 +0000 | [diff] [blame] | 1905 | |
| 1906 | // Add a prototype on an evacuation candidate and verify that transition |
| 1907 | // clearing correctly records slots in prototype transition array. |
| 1908 | i::FLAG_always_compact = true; |
| 1909 | Handle<Map> map(baseObject->map()); |
danno@chromium.org | 81cac2b | 2012-07-10 11:28:27 +0000 | [diff] [blame] | 1910 | CHECK(!space->LastPage()->Contains( |
| 1911 | map->GetPrototypeTransitions()->address())); |
jkummerow@chromium.org | 05ed9dd | 2012-01-23 14:42:48 +0000 | [diff] [blame] | 1912 | CHECK(space->LastPage()->Contains(prototype->address())); |
| 1913 | baseObject->SetPrototype(*prototype, false)->ToObjectChecked(); |
| 1914 | CHECK(map->GetPrototypeTransition(*prototype)->IsMap()); |
| 1915 | HEAP->CollectAllGarbage(Heap::kNoGCFlags); |
| 1916 | CHECK(map->GetPrototypeTransition(*prototype)->IsMap()); |
ulan@chromium.org | 2efb900 | 2012-01-19 15:36:35 +0000 | [diff] [blame] | 1917 | } |
fschneider@chromium.org | 7d10be5 | 2012-04-10 12:30:14 +0000 | [diff] [blame] | 1918 | |
| 1919 | |
| 1920 | TEST(ResetSharedFunctionInfoCountersDuringIncrementalMarking) { |
| 1921 | i::FLAG_allow_natives_syntax = true; |
svenpanne@chromium.org | c859c4f | 2012-10-15 11:51:39 +0000 | [diff] [blame] | 1922 | #ifdef VERIFY_HEAP |
fschneider@chromium.org | 7d10be5 | 2012-04-10 12:30:14 +0000 | [diff] [blame] | 1923 | i::FLAG_verify_heap = true; |
| 1924 | #endif |
svenpanne@chromium.org | c859c4f | 2012-10-15 11:51:39 +0000 | [diff] [blame] | 1925 | |
mstarzinger@chromium.org | e27d617 | 2013-04-17 11:51:44 +0000 | [diff] [blame^] | 1926 | CcTest::InitializeVM(); |
fschneider@chromium.org | 7d10be5 | 2012-04-10 12:30:14 +0000 | [diff] [blame] | 1927 | if (!i::V8::UseCrankshaft()) return; |
svenpanne@chromium.org | 2bda543 | 2013-03-15 12:39:50 +0000 | [diff] [blame] | 1928 | v8::HandleScope outer_scope(v8::Isolate::GetCurrent()); |
fschneider@chromium.org | 7d10be5 | 2012-04-10 12:30:14 +0000 | [diff] [blame] | 1929 | |
| 1930 | { |
svenpanne@chromium.org | 2bda543 | 2013-03-15 12:39:50 +0000 | [diff] [blame] | 1931 | v8::HandleScope scope(v8::Isolate::GetCurrent()); |
fschneider@chromium.org | 7d10be5 | 2012-04-10 12:30:14 +0000 | [diff] [blame] | 1932 | CompileRun( |
| 1933 | "function f () {" |
| 1934 | " var s = 0;" |
| 1935 | " for (var i = 0; i < 100; i++) s += i;" |
| 1936 | " return s;" |
| 1937 | "}" |
| 1938 | "f(); f();" |
| 1939 | "%OptimizeFunctionOnNextCall(f);" |
| 1940 | "f();"); |
| 1941 | } |
| 1942 | Handle<JSFunction> f = |
| 1943 | v8::Utils::OpenHandle( |
| 1944 | *v8::Handle<v8::Function>::Cast( |
| 1945 | v8::Context::GetCurrent()->Global()->Get(v8_str("f")))); |
| 1946 | CHECK(f->IsOptimized()); |
| 1947 | |
| 1948 | IncrementalMarking* marking = HEAP->incremental_marking(); |
| 1949 | marking->Abort(); |
| 1950 | marking->Start(); |
| 1951 | |
| 1952 | // The following two calls will increment HEAP->global_ic_age(). |
| 1953 | const int kLongIdlePauseInMs = 1000; |
| 1954 | v8::V8::ContextDisposedNotification(); |
| 1955 | v8::V8::IdleNotification(kLongIdlePauseInMs); |
| 1956 | |
| 1957 | while (!marking->IsStopped() && !marking->IsComplete()) { |
| 1958 | marking->Step(1 * MB, IncrementalMarking::NO_GC_VIA_STACK_GUARD); |
| 1959 | } |
danno@chromium.org | 2c26cb1 | 2012-05-03 09:06:43 +0000 | [diff] [blame] | 1960 | if (!marking->IsStopped() || marking->should_hurry()) { |
| 1961 | // We don't normally finish a GC via Step(), we normally finish by |
| 1962 | // setting the stack guard and then do the final steps in the stack |
| 1963 | // guard interrupt. But here we didn't ask for that, and there is no |
| 1964 | // JS code running to trigger the interrupt, so we explicitly finalize |
| 1965 | // here. |
| 1966 | HEAP->CollectAllGarbage(Heap::kNoGCFlags, |
| 1967 | "Test finalizing incremental mark-sweep"); |
| 1968 | } |
fschneider@chromium.org | 7d10be5 | 2012-04-10 12:30:14 +0000 | [diff] [blame] | 1969 | |
| 1970 | CHECK_EQ(HEAP->global_ic_age(), f->shared()->ic_age()); |
| 1971 | CHECK_EQ(0, f->shared()->opt_count()); |
| 1972 | CHECK_EQ(0, f->shared()->code()->profiler_ticks()); |
| 1973 | } |
| 1974 | |
| 1975 | |
| 1976 | TEST(ResetSharedFunctionInfoCountersDuringMarkSweep) { |
| 1977 | i::FLAG_allow_natives_syntax = true; |
svenpanne@chromium.org | c859c4f | 2012-10-15 11:51:39 +0000 | [diff] [blame] | 1978 | #ifdef VERIFY_HEAP |
fschneider@chromium.org | 7d10be5 | 2012-04-10 12:30:14 +0000 | [diff] [blame] | 1979 | i::FLAG_verify_heap = true; |
| 1980 | #endif |
svenpanne@chromium.org | c859c4f | 2012-10-15 11:51:39 +0000 | [diff] [blame] | 1981 | |
mstarzinger@chromium.org | e27d617 | 2013-04-17 11:51:44 +0000 | [diff] [blame^] | 1982 | CcTest::InitializeVM(); |
fschneider@chromium.org | 7d10be5 | 2012-04-10 12:30:14 +0000 | [diff] [blame] | 1983 | if (!i::V8::UseCrankshaft()) return; |
mstarzinger@chromium.org | e27d617 | 2013-04-17 11:51:44 +0000 | [diff] [blame^] | 1984 | v8::HandleScope outer_scope(CcTest::isolate()); |
fschneider@chromium.org | 7d10be5 | 2012-04-10 12:30:14 +0000 | [diff] [blame] | 1985 | |
| 1986 | { |
mstarzinger@chromium.org | e27d617 | 2013-04-17 11:51:44 +0000 | [diff] [blame^] | 1987 | v8::HandleScope scope(CcTest::isolate()); |
fschneider@chromium.org | 7d10be5 | 2012-04-10 12:30:14 +0000 | [diff] [blame] | 1988 | CompileRun( |
| 1989 | "function f () {" |
| 1990 | " var s = 0;" |
| 1991 | " for (var i = 0; i < 100; i++) s += i;" |
| 1992 | " return s;" |
| 1993 | "}" |
| 1994 | "f(); f();" |
| 1995 | "%OptimizeFunctionOnNextCall(f);" |
| 1996 | "f();"); |
| 1997 | } |
| 1998 | Handle<JSFunction> f = |
| 1999 | v8::Utils::OpenHandle( |
| 2000 | *v8::Handle<v8::Function>::Cast( |
| 2001 | v8::Context::GetCurrent()->Global()->Get(v8_str("f")))); |
| 2002 | CHECK(f->IsOptimized()); |
| 2003 | |
| 2004 | HEAP->incremental_marking()->Abort(); |
| 2005 | |
| 2006 | // The following two calls will increment HEAP->global_ic_age(). |
| 2007 | // Since incremental marking is off, IdleNotification will do full GC. |
| 2008 | const int kLongIdlePauseInMs = 1000; |
| 2009 | v8::V8::ContextDisposedNotification(); |
| 2010 | v8::V8::IdleNotification(kLongIdlePauseInMs); |
| 2011 | |
| 2012 | CHECK_EQ(HEAP->global_ic_age(), f->shared()->ic_age()); |
| 2013 | CHECK_EQ(0, f->shared()->opt_count()); |
| 2014 | CHECK_EQ(0, f->shared()->code()->profiler_ticks()); |
| 2015 | } |
| 2016 | |
| 2017 | |
| 2018 | // Test that HAllocateObject will always return an object in new-space. |
| 2019 | TEST(OptimizedAllocationAlwaysInNewSpace) { |
| 2020 | i::FLAG_allow_natives_syntax = true; |
mstarzinger@chromium.org | e27d617 | 2013-04-17 11:51:44 +0000 | [diff] [blame^] | 2021 | CcTest::InitializeVM(); |
fschneider@chromium.org | 7d10be5 | 2012-04-10 12:30:14 +0000 | [diff] [blame] | 2022 | if (!i::V8::UseCrankshaft() || i::FLAG_always_opt) return; |
jkummerow@chromium.org | 5323a9c | 2012-12-10 19:00:50 +0000 | [diff] [blame] | 2023 | if (i::FLAG_gc_global || i::FLAG_stress_compaction) return; |
mstarzinger@chromium.org | e27d617 | 2013-04-17 11:51:44 +0000 | [diff] [blame^] | 2024 | v8::HandleScope scope(CcTest::isolate()); |
fschneider@chromium.org | 7d10be5 | 2012-04-10 12:30:14 +0000 | [diff] [blame] | 2025 | |
svenpanne@chromium.org | 83130cf | 2012-11-30 10:13:25 +0000 | [diff] [blame] | 2026 | SimulateFullSpace(HEAP->new_space()); |
fschneider@chromium.org | 7d10be5 | 2012-04-10 12:30:14 +0000 | [diff] [blame] | 2027 | AlwaysAllocateScope always_allocate; |
| 2028 | v8::Local<v8::Value> res = CompileRun( |
| 2029 | "function c(x) {" |
| 2030 | " this.x = x;" |
| 2031 | " for (var i = 0; i < 32; i++) {" |
| 2032 | " this['x' + i] = x;" |
| 2033 | " }" |
| 2034 | "}" |
| 2035 | "function f(x) { return new c(x); };" |
| 2036 | "f(1); f(2); f(3);" |
| 2037 | "%OptimizeFunctionOnNextCall(f);" |
| 2038 | "f(4);"); |
| 2039 | CHECK_EQ(4, res->ToObject()->GetRealNamedProperty(v8_str("x"))->Int32Value()); |
| 2040 | |
| 2041 | Handle<JSObject> o = |
| 2042 | v8::Utils::OpenHandle(*v8::Handle<v8::Object>::Cast(res)); |
| 2043 | |
| 2044 | CHECK(HEAP->InNewSpace(*o)); |
| 2045 | } |
yangguo@chromium.org | 5f0b8ea | 2012-05-16 12:37:04 +0000 | [diff] [blame] | 2046 | |
| 2047 | |
ulan@chromium.org | 750145a | 2013-03-07 15:14:13 +0000 | [diff] [blame] | 2048 | // Test pretenuring of array literals allocated with HAllocate. |
| 2049 | TEST(OptimizedPretenuringArrayLiterals) { |
| 2050 | i::FLAG_allow_natives_syntax = true; |
svenpanne@chromium.org | 2bda543 | 2013-03-15 12:39:50 +0000 | [diff] [blame] | 2051 | i::FLAG_pretenure_literals = true; |
mstarzinger@chromium.org | e27d617 | 2013-04-17 11:51:44 +0000 | [diff] [blame^] | 2052 | CcTest::InitializeVM(); |
ulan@chromium.org | 750145a | 2013-03-07 15:14:13 +0000 | [diff] [blame] | 2053 | if (!i::V8::UseCrankshaft() || i::FLAG_always_opt) return; |
| 2054 | if (i::FLAG_gc_global || i::FLAG_stress_compaction) return; |
mstarzinger@chromium.org | e27d617 | 2013-04-17 11:51:44 +0000 | [diff] [blame^] | 2055 | v8::HandleScope scope(CcTest::isolate()); |
ulan@chromium.org | 750145a | 2013-03-07 15:14:13 +0000 | [diff] [blame] | 2056 | |
| 2057 | AlwaysAllocateScope always_allocate; |
| 2058 | v8::Local<v8::Value> res = CompileRun( |
| 2059 | "function f() {" |
svenpanne@chromium.org | 2bda543 | 2013-03-15 12:39:50 +0000 | [diff] [blame] | 2060 | " var numbers = [1, 2, 3];" |
| 2061 | " numbers[0] = {};" |
ulan@chromium.org | 750145a | 2013-03-07 15:14:13 +0000 | [diff] [blame] | 2062 | " return numbers;" |
| 2063 | "};" |
| 2064 | "f(); f(); f();" |
| 2065 | "%OptimizeFunctionOnNextCall(f);" |
| 2066 | "f();"); |
ulan@chromium.org | 750145a | 2013-03-07 15:14:13 +0000 | [diff] [blame] | 2067 | |
| 2068 | Handle<JSObject> o = |
| 2069 | v8::Utils::OpenHandle(*v8::Handle<v8::Object>::Cast(res)); |
| 2070 | |
svenpanne@chromium.org | 2bda543 | 2013-03-15 12:39:50 +0000 | [diff] [blame] | 2071 | CHECK(HEAP->InOldPointerSpace(o->elements())); |
ulan@chromium.org | 750145a | 2013-03-07 15:14:13 +0000 | [diff] [blame] | 2072 | } |
| 2073 | |
| 2074 | |
mstarzinger@chromium.org | e27d617 | 2013-04-17 11:51:44 +0000 | [diff] [blame^] | 2075 | TEST(OptimizedPretenuringSimpleArrayLiterals) { |
| 2076 | i::FLAG_allow_natives_syntax = true; |
| 2077 | i::FLAG_pretenure_literals = false; |
| 2078 | CcTest::InitializeVM(); |
| 2079 | if (!i::V8::UseCrankshaft() || i::FLAG_always_opt) return; |
| 2080 | if (i::FLAG_gc_global || i::FLAG_stress_compaction) return; |
| 2081 | v8::HandleScope scope(CcTest::isolate()); |
| 2082 | |
| 2083 | AlwaysAllocateScope always_allocate; |
| 2084 | v8::Local<v8::Value> res = CompileRun( |
| 2085 | "function f() {" |
| 2086 | " return [1, 2, 3];" |
| 2087 | "};" |
| 2088 | "f(); f(); f();" |
| 2089 | "%OptimizeFunctionOnNextCall(f);" |
| 2090 | "f();"); |
| 2091 | |
| 2092 | Handle<JSObject> o = |
| 2093 | v8::Utils::OpenHandle(*v8::Handle<v8::Object>::Cast(res)); |
| 2094 | |
| 2095 | CHECK(HEAP->InNewSpace(*o)); |
| 2096 | } |
| 2097 | |
| 2098 | |
ulan@chromium.org | 750145a | 2013-03-07 15:14:13 +0000 | [diff] [blame] | 2099 | // Test regular array literals allocation. |
| 2100 | TEST(OptimizedAllocationArrayLiterals) { |
| 2101 | i::FLAG_allow_natives_syntax = true; |
mstarzinger@chromium.org | e27d617 | 2013-04-17 11:51:44 +0000 | [diff] [blame^] | 2102 | CcTest::InitializeVM(); |
ulan@chromium.org | 750145a | 2013-03-07 15:14:13 +0000 | [diff] [blame] | 2103 | if (!i::V8::UseCrankshaft() || i::FLAG_always_opt) return; |
| 2104 | if (i::FLAG_gc_global || i::FLAG_stress_compaction) return; |
mstarzinger@chromium.org | e27d617 | 2013-04-17 11:51:44 +0000 | [diff] [blame^] | 2105 | v8::HandleScope scope(CcTest::isolate()); |
ulan@chromium.org | 750145a | 2013-03-07 15:14:13 +0000 | [diff] [blame] | 2106 | |
| 2107 | AlwaysAllocateScope always_allocate; |
| 2108 | v8::Local<v8::Value> res = CompileRun( |
| 2109 | "function f() {" |
| 2110 | " var numbers = new Array(1, 2, 3);" |
| 2111 | " numbers[0] = 3.14;" |
| 2112 | " return numbers;" |
| 2113 | "};" |
| 2114 | "f(); f(); f();" |
| 2115 | "%OptimizeFunctionOnNextCall(f);" |
| 2116 | "f();"); |
| 2117 | CHECK_EQ(static_cast<int>(3.14), |
| 2118 | v8::Object::Cast(*res)->Get(v8_str("0"))->Int32Value()); |
| 2119 | |
| 2120 | Handle<JSObject> o = |
| 2121 | v8::Utils::OpenHandle(*v8::Handle<v8::Object>::Cast(res)); |
| 2122 | |
svenpanne@chromium.org | 2bda543 | 2013-03-15 12:39:50 +0000 | [diff] [blame] | 2123 | CHECK(HEAP->InNewSpace(o->elements())); |
ulan@chromium.org | 750145a | 2013-03-07 15:14:13 +0000 | [diff] [blame] | 2124 | } |
| 2125 | |
| 2126 | |
yangguo@chromium.org | 5f0b8ea | 2012-05-16 12:37:04 +0000 | [diff] [blame] | 2127 | static int CountMapTransitions(Map* map) { |
yangguo@chromium.org | 99aa490 | 2012-07-06 16:21:55 +0000 | [diff] [blame] | 2128 | return map->transitions()->number_of_transitions(); |
yangguo@chromium.org | 5f0b8ea | 2012-05-16 12:37:04 +0000 | [diff] [blame] | 2129 | } |
| 2130 | |
| 2131 | |
mstarzinger@chromium.org | 471f2f1 | 2012-08-10 14:46:33 +0000 | [diff] [blame] | 2132 | // Test that map transitions are cleared and maps are collected with |
| 2133 | // incremental marking as well. |
| 2134 | TEST(Regress1465) { |
| 2135 | i::FLAG_allow_natives_syntax = true; |
| 2136 | i::FLAG_trace_incremental_marking = true; |
mstarzinger@chromium.org | e27d617 | 2013-04-17 11:51:44 +0000 | [diff] [blame^] | 2137 | CcTest::InitializeVM(); |
| 2138 | v8::HandleScope scope(CcTest::isolate()); |
mstarzinger@chromium.org | 471f2f1 | 2012-08-10 14:46:33 +0000 | [diff] [blame] | 2139 | static const int transitions_count = 256; |
| 2140 | |
| 2141 | { |
| 2142 | AlwaysAllocateScope always_allocate; |
| 2143 | for (int i = 0; i < transitions_count; i++) { |
| 2144 | EmbeddedVector<char, 64> buffer; |
| 2145 | OS::SNPrintF(buffer, "var o = new Object; o.prop%d = %d;", i, i); |
| 2146 | CompileRun(buffer.start()); |
| 2147 | } |
| 2148 | CompileRun("var root = new Object;"); |
| 2149 | } |
| 2150 | |
| 2151 | Handle<JSObject> root = |
| 2152 | v8::Utils::OpenHandle( |
| 2153 | *v8::Handle<v8::Object>::Cast( |
| 2154 | v8::Context::GetCurrent()->Global()->Get(v8_str("root")))); |
| 2155 | |
| 2156 | // Count number of live transitions before marking. |
| 2157 | int transitions_before = CountMapTransitions(root->map()); |
| 2158 | CompileRun("%DebugPrint(root);"); |
| 2159 | CHECK_EQ(transitions_count, transitions_before); |
| 2160 | |
| 2161 | SimulateIncrementalMarking(); |
yangguo@chromium.org | 5f0b8ea | 2012-05-16 12:37:04 +0000 | [diff] [blame] | 2162 | HEAP->CollectAllGarbage(Heap::kNoGCFlags); |
yangguo@chromium.org | 5f0b8ea | 2012-05-16 12:37:04 +0000 | [diff] [blame] | 2163 | |
| 2164 | // Count number of live transitions after marking. Note that one transition |
| 2165 | // is left, because 'o' still holds an instance of one transition target. |
| 2166 | int transitions_after = CountMapTransitions(root->map()); |
| 2167 | CompileRun("%DebugPrint(root);"); |
| 2168 | CHECK_EQ(1, transitions_after); |
| 2169 | } |
verwaest@chromium.org | 3714139 | 2012-05-31 13:27:02 +0000 | [diff] [blame] | 2170 | |
| 2171 | |
| 2172 | TEST(Regress2143a) { |
| 2173 | i::FLAG_collect_maps = true; |
| 2174 | i::FLAG_incremental_marking = true; |
mstarzinger@chromium.org | e27d617 | 2013-04-17 11:51:44 +0000 | [diff] [blame^] | 2175 | CcTest::InitializeVM(); |
| 2176 | v8::HandleScope scope(CcTest::isolate()); |
verwaest@chromium.org | 3714139 | 2012-05-31 13:27:02 +0000 | [diff] [blame] | 2177 | |
| 2178 | // Prepare a map transition from the root object together with a yet |
| 2179 | // untransitioned root object. |
| 2180 | CompileRun("var root = new Object;" |
| 2181 | "root.foo = 0;" |
| 2182 | "root = new Object;"); |
| 2183 | |
mstarzinger@chromium.org | 471f2f1 | 2012-08-10 14:46:33 +0000 | [diff] [blame] | 2184 | SimulateIncrementalMarking(); |
verwaest@chromium.org | 3714139 | 2012-05-31 13:27:02 +0000 | [diff] [blame] | 2185 | |
| 2186 | // Compile a StoreIC that performs the prepared map transition. This |
| 2187 | // will restart incremental marking and should make sure the root is |
| 2188 | // marked grey again. |
| 2189 | CompileRun("function f(o) {" |
| 2190 | " o.foo = 0;" |
| 2191 | "}" |
| 2192 | "f(new Object);" |
| 2193 | "f(root);"); |
| 2194 | |
| 2195 | // This bug only triggers with aggressive IC clearing. |
| 2196 | HEAP->AgeInlineCaches(); |
| 2197 | |
| 2198 | // Explicitly request GC to perform final marking step and sweeping. |
| 2199 | HEAP->CollectAllGarbage(Heap::kNoGCFlags); |
verwaest@chromium.org | 3714139 | 2012-05-31 13:27:02 +0000 | [diff] [blame] | 2200 | |
| 2201 | Handle<JSObject> root = |
| 2202 | v8::Utils::OpenHandle( |
| 2203 | *v8::Handle<v8::Object>::Cast( |
| 2204 | v8::Context::GetCurrent()->Global()->Get(v8_str("root")))); |
| 2205 | |
| 2206 | // The root object should be in a sane state. |
| 2207 | CHECK(root->IsJSObject()); |
| 2208 | CHECK(root->map()->IsMap()); |
| 2209 | } |
| 2210 | |
| 2211 | |
| 2212 | TEST(Regress2143b) { |
| 2213 | i::FLAG_collect_maps = true; |
| 2214 | i::FLAG_incremental_marking = true; |
| 2215 | i::FLAG_allow_natives_syntax = true; |
mstarzinger@chromium.org | e27d617 | 2013-04-17 11:51:44 +0000 | [diff] [blame^] | 2216 | CcTest::InitializeVM(); |
| 2217 | v8::HandleScope scope(CcTest::isolate()); |
verwaest@chromium.org | 3714139 | 2012-05-31 13:27:02 +0000 | [diff] [blame] | 2218 | |
| 2219 | // Prepare a map transition from the root object together with a yet |
| 2220 | // untransitioned root object. |
| 2221 | CompileRun("var root = new Object;" |
| 2222 | "root.foo = 0;" |
| 2223 | "root = new Object;"); |
| 2224 | |
mstarzinger@chromium.org | 471f2f1 | 2012-08-10 14:46:33 +0000 | [diff] [blame] | 2225 | SimulateIncrementalMarking(); |
verwaest@chromium.org | 3714139 | 2012-05-31 13:27:02 +0000 | [diff] [blame] | 2226 | |
| 2227 | // Compile an optimized LStoreNamedField that performs the prepared |
| 2228 | // map transition. This will restart incremental marking and should |
| 2229 | // make sure the root is marked grey again. |
| 2230 | CompileRun("function f(o) {" |
| 2231 | " o.foo = 0;" |
| 2232 | "}" |
| 2233 | "f(new Object);" |
| 2234 | "f(new Object);" |
| 2235 | "%OptimizeFunctionOnNextCall(f);" |
| 2236 | "f(root);" |
| 2237 | "%DeoptimizeFunction(f);"); |
| 2238 | |
| 2239 | // This bug only triggers with aggressive IC clearing. |
| 2240 | HEAP->AgeInlineCaches(); |
| 2241 | |
| 2242 | // Explicitly request GC to perform final marking step and sweeping. |
| 2243 | HEAP->CollectAllGarbage(Heap::kNoGCFlags); |
verwaest@chromium.org | 3714139 | 2012-05-31 13:27:02 +0000 | [diff] [blame] | 2244 | |
| 2245 | Handle<JSObject> root = |
| 2246 | v8::Utils::OpenHandle( |
| 2247 | *v8::Handle<v8::Object>::Cast( |
| 2248 | v8::Context::GetCurrent()->Global()->Get(v8_str("root")))); |
| 2249 | |
| 2250 | // The root object should be in a sane state. |
| 2251 | CHECK(root->IsJSObject()); |
| 2252 | CHECK(root->map()->IsMap()); |
| 2253 | } |
yangguo@chromium.org | de0db00 | 2012-06-22 13:44:28 +0000 | [diff] [blame] | 2254 | |
| 2255 | |
yangguo@chromium.org | de0db00 | 2012-06-22 13:44:28 +0000 | [diff] [blame] | 2256 | TEST(ReleaseOverReservedPages) { |
| 2257 | i::FLAG_trace_gc = true; |
jkummerow@chromium.org | 000f7fb | 2012-08-01 11:14:42 +0000 | [diff] [blame] | 2258 | // The optimizer can allocate stuff, messing up the test. |
| 2259 | i::FLAG_crankshaft = false; |
| 2260 | i::FLAG_always_opt = false; |
mstarzinger@chromium.org | e27d617 | 2013-04-17 11:51:44 +0000 | [diff] [blame^] | 2261 | CcTest::InitializeVM(); |
| 2262 | v8::HandleScope scope(CcTest::isolate()); |
yangguo@chromium.org | de0db00 | 2012-06-22 13:44:28 +0000 | [diff] [blame] | 2263 | static const int number_of_test_pages = 20; |
| 2264 | |
| 2265 | // Prepare many pages with low live-bytes count. |
| 2266 | PagedSpace* old_pointer_space = HEAP->old_pointer_space(); |
| 2267 | CHECK_EQ(1, old_pointer_space->CountTotalPages()); |
| 2268 | for (int i = 0; i < number_of_test_pages; i++) { |
| 2269 | AlwaysAllocateScope always_allocate; |
| 2270 | SimulateFullSpace(old_pointer_space); |
| 2271 | FACTORY->NewFixedArray(1, TENURED); |
| 2272 | } |
| 2273 | CHECK_EQ(number_of_test_pages + 1, old_pointer_space->CountTotalPages()); |
| 2274 | |
| 2275 | // Triggering one GC will cause a lot of garbage to be discovered but |
| 2276 | // even spread across all allocated pages. |
| 2277 | HEAP->CollectAllGarbage(Heap::kNoGCFlags, "triggered for preparation"); |
jkummerow@chromium.org | 5323a9c | 2012-12-10 19:00:50 +0000 | [diff] [blame] | 2278 | CHECK_GE(number_of_test_pages + 1, old_pointer_space->CountTotalPages()); |
yangguo@chromium.org | de0db00 | 2012-06-22 13:44:28 +0000 | [diff] [blame] | 2279 | |
| 2280 | // Triggering subsequent GCs should cause at least half of the pages |
| 2281 | // to be released to the OS after at most two cycles. |
| 2282 | HEAP->CollectAllGarbage(Heap::kNoGCFlags, "triggered by test 1"); |
| 2283 | CHECK_GE(number_of_test_pages + 1, old_pointer_space->CountTotalPages()); |
| 2284 | HEAP->CollectAllGarbage(Heap::kNoGCFlags, "triggered by test 2"); |
| 2285 | CHECK_GE(number_of_test_pages + 1, old_pointer_space->CountTotalPages() * 2); |
| 2286 | |
ulan@chromium.org | 56c14af | 2012-09-20 12:51:09 +0000 | [diff] [blame] | 2287 | // Triggering a last-resort GC should cause all pages to be released to the |
| 2288 | // OS so that other processes can seize the memory. If we get a failure here |
| 2289 | // where there are 2 pages left instead of 1, then we should increase the |
| 2290 | // size of the first page a little in SizeOfFirstPage in spaces.cc. The |
| 2291 | // first page should be small in order to reduce memory used when the VM |
| 2292 | // boots, but if the 20 small arrays don't fit on the first page then that's |
| 2293 | // an indication that it is too small. |
yangguo@chromium.org | de0db00 | 2012-06-22 13:44:28 +0000 | [diff] [blame] | 2294 | HEAP->CollectAllAvailableGarbage("triggered really hard"); |
| 2295 | CHECK_EQ(1, old_pointer_space->CountTotalPages()); |
| 2296 | } |
yangguo@chromium.org | 304cc33 | 2012-07-24 07:59:48 +0000 | [diff] [blame] | 2297 | |
| 2298 | |
| 2299 | TEST(Regress2237) { |
mstarzinger@chromium.org | e27d617 | 2013-04-17 11:51:44 +0000 | [diff] [blame^] | 2300 | CcTest::InitializeVM(); |
| 2301 | v8::HandleScope scope(CcTest::isolate()); |
yangguo@chromium.org | 304cc33 | 2012-07-24 07:59:48 +0000 | [diff] [blame] | 2302 | Handle<String> slice(HEAP->empty_string()); |
| 2303 | |
| 2304 | { |
| 2305 | // Generate a parent that lives in new-space. |
mstarzinger@chromium.org | e27d617 | 2013-04-17 11:51:44 +0000 | [diff] [blame^] | 2306 | v8::HandleScope inner_scope(CcTest::isolate()); |
yangguo@chromium.org | 304cc33 | 2012-07-24 07:59:48 +0000 | [diff] [blame] | 2307 | const char* c = "This text is long enough to trigger sliced strings."; |
| 2308 | Handle<String> s = FACTORY->NewStringFromAscii(CStrVector(c)); |
yangguo@chromium.org | fb37721 | 2012-11-16 14:43:43 +0000 | [diff] [blame] | 2309 | CHECK(s->IsSeqOneByteString()); |
yangguo@chromium.org | 304cc33 | 2012-07-24 07:59:48 +0000 | [diff] [blame] | 2310 | CHECK(HEAP->InNewSpace(*s)); |
| 2311 | |
| 2312 | // Generate a sliced string that is based on the above parent and |
| 2313 | // lives in old-space. |
svenpanne@chromium.org | 83130cf | 2012-11-30 10:13:25 +0000 | [diff] [blame] | 2314 | SimulateFullSpace(HEAP->new_space()); |
yangguo@chromium.org | 304cc33 | 2012-07-24 07:59:48 +0000 | [diff] [blame] | 2315 | AlwaysAllocateScope always_allocate; |
svenpanne@chromium.org | 83130cf | 2012-11-30 10:13:25 +0000 | [diff] [blame] | 2316 | Handle<String> t = FACTORY->NewProperSubString(s, 5, 35); |
yangguo@chromium.org | 304cc33 | 2012-07-24 07:59:48 +0000 | [diff] [blame] | 2317 | CHECK(t->IsSlicedString()); |
| 2318 | CHECK(!HEAP->InNewSpace(*t)); |
| 2319 | *slice.location() = *t.location(); |
| 2320 | } |
| 2321 | |
yangguo@chromium.org | fb37721 | 2012-11-16 14:43:43 +0000 | [diff] [blame] | 2322 | CHECK(SlicedString::cast(*slice)->parent()->IsSeqOneByteString()); |
yangguo@chromium.org | 304cc33 | 2012-07-24 07:59:48 +0000 | [diff] [blame] | 2323 | HEAP->CollectAllGarbage(Heap::kNoGCFlags); |
yangguo@chromium.org | fb37721 | 2012-11-16 14:43:43 +0000 | [diff] [blame] | 2324 | CHECK(SlicedString::cast(*slice)->parent()->IsSeqOneByteString()); |
yangguo@chromium.org | 304cc33 | 2012-07-24 07:59:48 +0000 | [diff] [blame] | 2325 | } |
ulan@chromium.org | ea52b5f | 2012-07-30 13:05:33 +0000 | [diff] [blame] | 2326 | |
| 2327 | |
| 2328 | #ifdef OBJECT_PRINT |
| 2329 | TEST(PrintSharedFunctionInfo) { |
mstarzinger@chromium.org | e27d617 | 2013-04-17 11:51:44 +0000 | [diff] [blame^] | 2330 | CcTest::InitializeVM(); |
| 2331 | v8::HandleScope scope(CcTest::isolate()); |
ulan@chromium.org | ea52b5f | 2012-07-30 13:05:33 +0000 | [diff] [blame] | 2332 | const char* source = "f = function() { return 987654321; }\n" |
| 2333 | "g = function() { return 123456789; }\n"; |
| 2334 | CompileRun(source); |
| 2335 | Handle<JSFunction> g = |
| 2336 | v8::Utils::OpenHandle( |
| 2337 | *v8::Handle<v8::Function>::Cast( |
| 2338 | v8::Context::GetCurrent()->Global()->Get(v8_str("g")))); |
| 2339 | |
| 2340 | AssertNoAllocation no_alloc; |
| 2341 | g->shared()->PrintLn(); |
| 2342 | } |
| 2343 | #endif // OBJECT_PRINT |
jkummerow@chromium.org | 000f7fb | 2012-08-01 11:14:42 +0000 | [diff] [blame] | 2344 | |
| 2345 | |
| 2346 | TEST(Regress2211) { |
mstarzinger@chromium.org | e27d617 | 2013-04-17 11:51:44 +0000 | [diff] [blame^] | 2347 | CcTest::InitializeVM(); |
| 2348 | v8::HandleScope scope(CcTest::isolate()); |
jkummerow@chromium.org | 000f7fb | 2012-08-01 11:14:42 +0000 | [diff] [blame] | 2349 | |
| 2350 | v8::Handle<v8::String> value = v8_str("val string"); |
| 2351 | Smi* hash = Smi::FromInt(321); |
| 2352 | Heap* heap = Isolate::Current()->heap(); |
| 2353 | |
| 2354 | for (int i = 0; i < 2; i++) { |
| 2355 | // Store identity hash first and common hidden property second. |
| 2356 | v8::Handle<v8::Object> obj = v8::Object::New(); |
| 2357 | Handle<JSObject> internal_obj = v8::Utils::OpenHandle(*obj); |
| 2358 | CHECK(internal_obj->HasFastProperties()); |
| 2359 | |
| 2360 | // In the first iteration, set hidden value first and identity hash second. |
| 2361 | // In the second iteration, reverse the order. |
| 2362 | if (i == 0) obj->SetHiddenValue(v8_str("key string"), value); |
| 2363 | MaybeObject* maybe_obj = internal_obj->SetIdentityHash(hash, |
| 2364 | ALLOW_CREATION); |
| 2365 | CHECK(!maybe_obj->IsFailure()); |
| 2366 | if (i == 1) obj->SetHiddenValue(v8_str("key string"), value); |
| 2367 | |
| 2368 | // Check values. |
| 2369 | CHECK_EQ(hash, |
yangguo@chromium.org | 4a9f655 | 2013-03-04 14:46:33 +0000 | [diff] [blame] | 2370 | internal_obj->GetHiddenProperty(heap->identity_hash_string())); |
jkummerow@chromium.org | 000f7fb | 2012-08-01 11:14:42 +0000 | [diff] [blame] | 2371 | CHECK(value->Equals(obj->GetHiddenValue(v8_str("key string")))); |
| 2372 | |
| 2373 | // Check size. |
| 2374 | DescriptorArray* descriptors = internal_obj->map()->instance_descriptors(); |
| 2375 | ObjectHashTable* hashtable = ObjectHashTable::cast( |
| 2376 | internal_obj->FastPropertyAt(descriptors->GetFieldIndex(0))); |
| 2377 | // HashTable header (5) and 4 initial entries (8). |
| 2378 | CHECK_LE(hashtable->SizeFor(hashtable->length()), 13 * kPointerSize); |
| 2379 | } |
| 2380 | } |
mstarzinger@chromium.org | 471f2f1 | 2012-08-10 14:46:33 +0000 | [diff] [blame] | 2381 | |
| 2382 | |
| 2383 | TEST(IncrementalMarkingClearsTypeFeedbackCells) { |
| 2384 | if (i::FLAG_always_opt) return; |
mstarzinger@chromium.org | e27d617 | 2013-04-17 11:51:44 +0000 | [diff] [blame^] | 2385 | CcTest::InitializeVM(); |
| 2386 | v8::HandleScope scope(CcTest::isolate()); |
mstarzinger@chromium.org | 471f2f1 | 2012-08-10 14:46:33 +0000 | [diff] [blame] | 2387 | v8::Local<v8::Value> fun1, fun2; |
| 2388 | |
| 2389 | { |
| 2390 | LocalContext env; |
| 2391 | CompileRun("function fun() {};"); |
| 2392 | fun1 = env->Global()->Get(v8_str("fun")); |
| 2393 | } |
| 2394 | |
| 2395 | { |
| 2396 | LocalContext env; |
| 2397 | CompileRun("function fun() {};"); |
| 2398 | fun2 = env->Global()->Get(v8_str("fun")); |
| 2399 | } |
| 2400 | |
| 2401 | // Prepare function f that contains type feedback for closures |
yangguo@chromium.org | 46839fb | 2012-08-28 09:06:19 +0000 | [diff] [blame] | 2402 | // originating from two different native contexts. |
mstarzinger@chromium.org | 471f2f1 | 2012-08-10 14:46:33 +0000 | [diff] [blame] | 2403 | v8::Context::GetCurrent()->Global()->Set(v8_str("fun1"), fun1); |
| 2404 | v8::Context::GetCurrent()->Global()->Set(v8_str("fun2"), fun2); |
| 2405 | CompileRun("function f(a, b) { a(); b(); } f(fun1, fun2);"); |
| 2406 | Handle<JSFunction> f = |
| 2407 | v8::Utils::OpenHandle( |
| 2408 | *v8::Handle<v8::Function>::Cast( |
| 2409 | v8::Context::GetCurrent()->Global()->Get(v8_str("f")))); |
| 2410 | Handle<TypeFeedbackCells> cells(TypeFeedbackInfo::cast( |
| 2411 | f->shared()->code()->type_feedback_info())->type_feedback_cells()); |
| 2412 | |
| 2413 | CHECK_EQ(2, cells->CellCount()); |
| 2414 | CHECK(cells->Cell(0)->value()->IsJSFunction()); |
| 2415 | CHECK(cells->Cell(1)->value()->IsJSFunction()); |
| 2416 | |
| 2417 | SimulateIncrementalMarking(); |
| 2418 | HEAP->CollectAllGarbage(Heap::kNoGCFlags); |
| 2419 | |
| 2420 | CHECK_EQ(2, cells->CellCount()); |
| 2421 | CHECK(cells->Cell(0)->value()->IsTheHole()); |
| 2422 | CHECK(cells->Cell(1)->value()->IsTheHole()); |
| 2423 | } |
| 2424 | |
| 2425 | |
| 2426 | static Code* FindFirstIC(Code* code, Code::Kind kind) { |
| 2427 | int mask = RelocInfo::ModeMask(RelocInfo::CODE_TARGET) | |
| 2428 | RelocInfo::ModeMask(RelocInfo::CONSTRUCT_CALL) | |
| 2429 | RelocInfo::ModeMask(RelocInfo::CODE_TARGET_WITH_ID) | |
| 2430 | RelocInfo::ModeMask(RelocInfo::CODE_TARGET_CONTEXT); |
| 2431 | for (RelocIterator it(code, mask); !it.done(); it.next()) { |
| 2432 | RelocInfo* info = it.rinfo(); |
| 2433 | Code* target = Code::GetCodeFromTargetAddress(info->target_address()); |
| 2434 | if (target->is_inline_cache_stub() && target->kind() == kind) { |
| 2435 | return target; |
| 2436 | } |
| 2437 | } |
| 2438 | return NULL; |
| 2439 | } |
| 2440 | |
| 2441 | |
| 2442 | TEST(IncrementalMarkingPreservesMonomorhpicIC) { |
| 2443 | if (i::FLAG_always_opt) return; |
mstarzinger@chromium.org | e27d617 | 2013-04-17 11:51:44 +0000 | [diff] [blame^] | 2444 | CcTest::InitializeVM(); |
| 2445 | v8::HandleScope scope(CcTest::isolate()); |
mstarzinger@chromium.org | 471f2f1 | 2012-08-10 14:46:33 +0000 | [diff] [blame] | 2446 | |
| 2447 | // Prepare function f that contains a monomorphic IC for object |
yangguo@chromium.org | 46839fb | 2012-08-28 09:06:19 +0000 | [diff] [blame] | 2448 | // originating from the same native context. |
mstarzinger@chromium.org | 471f2f1 | 2012-08-10 14:46:33 +0000 | [diff] [blame] | 2449 | CompileRun("function fun() { this.x = 1; }; var obj = new fun();" |
| 2450 | "function f(o) { return o.x; } f(obj); f(obj);"); |
| 2451 | Handle<JSFunction> f = |
| 2452 | v8::Utils::OpenHandle( |
| 2453 | *v8::Handle<v8::Function>::Cast( |
| 2454 | v8::Context::GetCurrent()->Global()->Get(v8_str("f")))); |
| 2455 | |
| 2456 | Code* ic_before = FindFirstIC(f->shared()->code(), Code::LOAD_IC); |
| 2457 | CHECK(ic_before->ic_state() == MONOMORPHIC); |
| 2458 | |
mstarzinger@chromium.org | 471f2f1 | 2012-08-10 14:46:33 +0000 | [diff] [blame] | 2459 | SimulateIncrementalMarking(); |
| 2460 | HEAP->CollectAllGarbage(Heap::kNoGCFlags); |
| 2461 | |
| 2462 | Code* ic_after = FindFirstIC(f->shared()->code(), Code::LOAD_IC); |
| 2463 | CHECK(ic_after->ic_state() == MONOMORPHIC); |
| 2464 | } |
| 2465 | |
| 2466 | |
| 2467 | TEST(IncrementalMarkingClearsMonomorhpicIC) { |
| 2468 | if (i::FLAG_always_opt) return; |
mstarzinger@chromium.org | e27d617 | 2013-04-17 11:51:44 +0000 | [diff] [blame^] | 2469 | CcTest::InitializeVM(); |
| 2470 | v8::HandleScope scope(CcTest::isolate()); |
mstarzinger@chromium.org | 471f2f1 | 2012-08-10 14:46:33 +0000 | [diff] [blame] | 2471 | v8::Local<v8::Value> obj1; |
| 2472 | |
| 2473 | { |
| 2474 | LocalContext env; |
| 2475 | CompileRun("function fun() { this.x = 1; }; var obj = new fun();"); |
| 2476 | obj1 = env->Global()->Get(v8_str("obj")); |
| 2477 | } |
| 2478 | |
| 2479 | // Prepare function f that contains a monomorphic IC for object |
yangguo@chromium.org | 46839fb | 2012-08-28 09:06:19 +0000 | [diff] [blame] | 2480 | // originating from a different native context. |
mstarzinger@chromium.org | 471f2f1 | 2012-08-10 14:46:33 +0000 | [diff] [blame] | 2481 | v8::Context::GetCurrent()->Global()->Set(v8_str("obj1"), obj1); |
| 2482 | CompileRun("function f(o) { return o.x; } f(obj1); f(obj1);"); |
| 2483 | Handle<JSFunction> f = |
| 2484 | v8::Utils::OpenHandle( |
| 2485 | *v8::Handle<v8::Function>::Cast( |
| 2486 | v8::Context::GetCurrent()->Global()->Get(v8_str("f")))); |
| 2487 | |
| 2488 | Code* ic_before = FindFirstIC(f->shared()->code(), Code::LOAD_IC); |
| 2489 | CHECK(ic_before->ic_state() == MONOMORPHIC); |
| 2490 | |
| 2491 | // Fire context dispose notification. |
| 2492 | v8::V8::ContextDisposedNotification(); |
| 2493 | SimulateIncrementalMarking(); |
| 2494 | HEAP->CollectAllGarbage(Heap::kNoGCFlags); |
| 2495 | |
| 2496 | Code* ic_after = FindFirstIC(f->shared()->code(), Code::LOAD_IC); |
| 2497 | CHECK(ic_after->ic_state() == UNINITIALIZED); |
| 2498 | } |
| 2499 | |
| 2500 | |
| 2501 | TEST(IncrementalMarkingClearsPolymorhpicIC) { |
| 2502 | if (i::FLAG_always_opt) return; |
mstarzinger@chromium.org | e27d617 | 2013-04-17 11:51:44 +0000 | [diff] [blame^] | 2503 | CcTest::InitializeVM(); |
| 2504 | v8::HandleScope scope(CcTest::isolate()); |
mstarzinger@chromium.org | 471f2f1 | 2012-08-10 14:46:33 +0000 | [diff] [blame] | 2505 | v8::Local<v8::Value> obj1, obj2; |
| 2506 | |
| 2507 | { |
| 2508 | LocalContext env; |
| 2509 | CompileRun("function fun() { this.x = 1; }; var obj = new fun();"); |
| 2510 | obj1 = env->Global()->Get(v8_str("obj")); |
| 2511 | } |
| 2512 | |
| 2513 | { |
| 2514 | LocalContext env; |
| 2515 | CompileRun("function fun() { this.x = 2; }; var obj = new fun();"); |
| 2516 | obj2 = env->Global()->Get(v8_str("obj")); |
| 2517 | } |
| 2518 | |
| 2519 | // Prepare function f that contains a polymorphic IC for objects |
yangguo@chromium.org | 46839fb | 2012-08-28 09:06:19 +0000 | [diff] [blame] | 2520 | // originating from two different native contexts. |
mstarzinger@chromium.org | 471f2f1 | 2012-08-10 14:46:33 +0000 | [diff] [blame] | 2521 | v8::Context::GetCurrent()->Global()->Set(v8_str("obj1"), obj1); |
| 2522 | v8::Context::GetCurrent()->Global()->Set(v8_str("obj2"), obj2); |
| 2523 | CompileRun("function f(o) { return o.x; } f(obj1); f(obj1); f(obj2);"); |
| 2524 | Handle<JSFunction> f = |
| 2525 | v8::Utils::OpenHandle( |
| 2526 | *v8::Handle<v8::Function>::Cast( |
| 2527 | v8::Context::GetCurrent()->Global()->Get(v8_str("f")))); |
| 2528 | |
| 2529 | Code* ic_before = FindFirstIC(f->shared()->code(), Code::LOAD_IC); |
yangguo@chromium.org | 4a9f655 | 2013-03-04 14:46:33 +0000 | [diff] [blame] | 2530 | CHECK(ic_before->ic_state() == POLYMORPHIC); |
mstarzinger@chromium.org | 471f2f1 | 2012-08-10 14:46:33 +0000 | [diff] [blame] | 2531 | |
| 2532 | // Fire context dispose notification. |
| 2533 | v8::V8::ContextDisposedNotification(); |
| 2534 | SimulateIncrementalMarking(); |
| 2535 | HEAP->CollectAllGarbage(Heap::kNoGCFlags); |
| 2536 | |
| 2537 | Code* ic_after = FindFirstIC(f->shared()->code(), Code::LOAD_IC); |
| 2538 | CHECK(ic_after->ic_state() == UNINITIALIZED); |
| 2539 | } |
yangguo@chromium.org | 355cfd1 | 2012-08-29 15:32:24 +0000 | [diff] [blame] | 2540 | |
| 2541 | |
| 2542 | class SourceResource: public v8::String::ExternalAsciiStringResource { |
| 2543 | public: |
| 2544 | explicit SourceResource(const char* data) |
| 2545 | : data_(data), length_(strlen(data)) { } |
| 2546 | |
| 2547 | virtual void Dispose() { |
| 2548 | i::DeleteArray(data_); |
| 2549 | data_ = NULL; |
| 2550 | } |
| 2551 | |
| 2552 | const char* data() const { return data_; } |
| 2553 | |
| 2554 | size_t length() const { return length_; } |
| 2555 | |
| 2556 | bool IsDisposed() { return data_ == NULL; } |
| 2557 | |
| 2558 | private: |
| 2559 | const char* data_; |
| 2560 | size_t length_; |
| 2561 | }; |
| 2562 | |
| 2563 | |
yangguo@chromium.org | eeb44b6 | 2012-11-13 13:56:09 +0000 | [diff] [blame] | 2564 | void ReleaseStackTraceDataTest(const char* source) { |
yangguo@chromium.org | 355cfd1 | 2012-08-29 15:32:24 +0000 | [diff] [blame] | 2565 | // Test that the data retained by the Error.stack accessor is released |
| 2566 | // after the first time the accessor is fired. We use external string |
| 2567 | // to check whether the data is being released since the external string |
| 2568 | // resource's callback is fired when the external string is GC'ed. |
mstarzinger@chromium.org | e27d617 | 2013-04-17 11:51:44 +0000 | [diff] [blame^] | 2569 | CcTest::InitializeVM(); |
| 2570 | v8::HandleScope scope(CcTest::isolate()); |
yangguo@chromium.org | 355cfd1 | 2012-08-29 15:32:24 +0000 | [diff] [blame] | 2571 | SourceResource* resource = new SourceResource(i::StrDup(source)); |
| 2572 | { |
mstarzinger@chromium.org | e27d617 | 2013-04-17 11:51:44 +0000 | [diff] [blame^] | 2573 | v8::HandleScope scope(CcTest::isolate()); |
yangguo@chromium.org | 355cfd1 | 2012-08-29 15:32:24 +0000 | [diff] [blame] | 2574 | v8::Handle<v8::String> source_string = v8::String::NewExternal(resource); |
| 2575 | v8::Script::Compile(source_string)->Run(); |
| 2576 | CHECK(!resource->IsDisposed()); |
| 2577 | } |
| 2578 | HEAP->CollectAllAvailableGarbage(); |
yangguo@chromium.org | 355cfd1 | 2012-08-29 15:32:24 +0000 | [diff] [blame] | 2579 | |
yangguo@chromium.org | 355cfd1 | 2012-08-29 15:32:24 +0000 | [diff] [blame] | 2580 | // External source has been released. |
| 2581 | CHECK(resource->IsDisposed()); |
yangguo@chromium.org | 355cfd1 | 2012-08-29 15:32:24 +0000 | [diff] [blame] | 2582 | delete resource; |
| 2583 | } |
verwaest@chromium.org | 33e09c8 | 2012-10-10 17:07:22 +0000 | [diff] [blame] | 2584 | |
| 2585 | |
yangguo@chromium.org | eeb44b6 | 2012-11-13 13:56:09 +0000 | [diff] [blame] | 2586 | TEST(ReleaseStackTraceData) { |
| 2587 | static const char* source1 = "var error = null; " |
| 2588 | /* Normal Error */ "try { " |
| 2589 | " throw new Error(); " |
| 2590 | "} catch (e) { " |
| 2591 | " error = e; " |
| 2592 | "} "; |
| 2593 | static const char* source2 = "var error = null; " |
| 2594 | /* Stack overflow */ "try { " |
| 2595 | " (function f() { f(); })(); " |
| 2596 | "} catch (e) { " |
| 2597 | " error = e; " |
| 2598 | "} "; |
| 2599 | ReleaseStackTraceDataTest(source1); |
| 2600 | ReleaseStackTraceDataTest(source2); |
| 2601 | } |
| 2602 | |
| 2603 | |
verwaest@chromium.org | 33e09c8 | 2012-10-10 17:07:22 +0000 | [diff] [blame] | 2604 | TEST(Regression144230) { |
mstarzinger@chromium.org | e27d617 | 2013-04-17 11:51:44 +0000 | [diff] [blame^] | 2605 | CcTest::InitializeVM(); |
yangguo@chromium.org | c03a192 | 2013-02-19 13:55:47 +0000 | [diff] [blame] | 2606 | Isolate* isolate = Isolate::Current(); |
ulan@chromium.org | 09d7ab5 | 2013-02-25 15:50:35 +0000 | [diff] [blame] | 2607 | Heap* heap = isolate->heap(); |
svenpanne@chromium.org | 2bda543 | 2013-03-15 12:39:50 +0000 | [diff] [blame] | 2608 | HandleScope scope(isolate); |
verwaest@chromium.org | 33e09c8 | 2012-10-10 17:07:22 +0000 | [diff] [blame] | 2609 | |
| 2610 | // First make sure that the uninitialized CallIC stub is on a single page |
| 2611 | // that will later be selected as an evacuation candidate. |
| 2612 | { |
svenpanne@chromium.org | 2bda543 | 2013-03-15 12:39:50 +0000 | [diff] [blame] | 2613 | HandleScope inner_scope(isolate); |
verwaest@chromium.org | 33e09c8 | 2012-10-10 17:07:22 +0000 | [diff] [blame] | 2614 | AlwaysAllocateScope always_allocate; |
ulan@chromium.org | 09d7ab5 | 2013-02-25 15:50:35 +0000 | [diff] [blame] | 2615 | SimulateFullSpace(heap->code_space()); |
yangguo@chromium.org | c03a192 | 2013-02-19 13:55:47 +0000 | [diff] [blame] | 2616 | isolate->stub_cache()->ComputeCallInitialize(9, RelocInfo::CODE_TARGET); |
verwaest@chromium.org | 33e09c8 | 2012-10-10 17:07:22 +0000 | [diff] [blame] | 2617 | } |
| 2618 | |
| 2619 | // Second compile a CallIC and execute it once so that it gets patched to |
| 2620 | // the pre-monomorphic stub. These code objects are on yet another page. |
| 2621 | { |
svenpanne@chromium.org | 2bda543 | 2013-03-15 12:39:50 +0000 | [diff] [blame] | 2622 | HandleScope inner_scope(isolate); |
verwaest@chromium.org | 33e09c8 | 2012-10-10 17:07:22 +0000 | [diff] [blame] | 2623 | AlwaysAllocateScope always_allocate; |
ulan@chromium.org | 09d7ab5 | 2013-02-25 15:50:35 +0000 | [diff] [blame] | 2624 | SimulateFullSpace(heap->code_space()); |
verwaest@chromium.org | 33e09c8 | 2012-10-10 17:07:22 +0000 | [diff] [blame] | 2625 | CompileRun("var o = { f:function(a,b,c,d,e,f,g,h,i) {}};" |
| 2626 | "function call() { o.f(1,2,3,4,5,6,7,8,9); };" |
| 2627 | "call();"); |
| 2628 | } |
| 2629 | |
| 2630 | // Third we fill up the last page of the code space so that it does not get |
| 2631 | // chosen as an evacuation candidate. |
| 2632 | { |
svenpanne@chromium.org | 2bda543 | 2013-03-15 12:39:50 +0000 | [diff] [blame] | 2633 | HandleScope inner_scope(isolate); |
verwaest@chromium.org | 33e09c8 | 2012-10-10 17:07:22 +0000 | [diff] [blame] | 2634 | AlwaysAllocateScope always_allocate; |
| 2635 | CompileRun("for (var i = 0; i < 2000; i++) {" |
| 2636 | " eval('function f' + i + '() { return ' + i +'; };' +" |
| 2637 | " 'f' + i + '();');" |
| 2638 | "}"); |
| 2639 | } |
ulan@chromium.org | 09d7ab5 | 2013-02-25 15:50:35 +0000 | [diff] [blame] | 2640 | heap->CollectAllGarbage(Heap::kNoGCFlags); |
verwaest@chromium.org | 33e09c8 | 2012-10-10 17:07:22 +0000 | [diff] [blame] | 2641 | |
| 2642 | // Fourth is the tricky part. Make sure the code containing the CallIC is |
| 2643 | // visited first without clearing the IC. The shared function info is then |
| 2644 | // visited later, causing the CallIC to be cleared. |
yangguo@chromium.org | 4a9f655 | 2013-03-04 14:46:33 +0000 | [diff] [blame] | 2645 | Handle<String> name = isolate->factory()->InternalizeUtf8String("call"); |
yangguo@chromium.org | c03a192 | 2013-02-19 13:55:47 +0000 | [diff] [blame] | 2646 | Handle<GlobalObject> global(isolate->context()->global_object()); |
verwaest@chromium.org | 33e09c8 | 2012-10-10 17:07:22 +0000 | [diff] [blame] | 2647 | MaybeObject* maybe_call = global->GetProperty(*name); |
| 2648 | JSFunction* call = JSFunction::cast(maybe_call->ToObjectChecked()); |
| 2649 | USE(global->SetProperty(*name, Smi::FromInt(0), NONE, kNonStrictMode)); |
yangguo@chromium.org | c03a192 | 2013-02-19 13:55:47 +0000 | [diff] [blame] | 2650 | isolate->compilation_cache()->Clear(); |
ulan@chromium.org | 09d7ab5 | 2013-02-25 15:50:35 +0000 | [diff] [blame] | 2651 | call->shared()->set_ic_age(heap->global_ic_age() + 1); |
| 2652 | Handle<Object> call_code(call->code(), isolate); |
| 2653 | Handle<Object> call_function(call, isolate); |
verwaest@chromium.org | 33e09c8 | 2012-10-10 17:07:22 +0000 | [diff] [blame] | 2654 | |
| 2655 | // Now we are ready to mess up the heap. |
ulan@chromium.org | 09d7ab5 | 2013-02-25 15:50:35 +0000 | [diff] [blame] | 2656 | heap->CollectAllGarbage(Heap::kReduceMemoryFootprintMask); |
verwaest@chromium.org | 33e09c8 | 2012-10-10 17:07:22 +0000 | [diff] [blame] | 2657 | |
| 2658 | // Either heap verification caught the problem already or we go kaboom once |
| 2659 | // the CallIC is executed the next time. |
| 2660 | USE(global->SetProperty(*name, *call_function, NONE, kNonStrictMode)); |
| 2661 | CompileRun("call();"); |
| 2662 | } |
mstarzinger@chromium.org | 32280cf | 2012-12-06 17:32:37 +0000 | [diff] [blame] | 2663 | |
| 2664 | |
| 2665 | TEST(Regress159140) { |
| 2666 | i::FLAG_allow_natives_syntax = true; |
| 2667 | i::FLAG_flush_code_incrementally = true; |
mstarzinger@chromium.org | e27d617 | 2013-04-17 11:51:44 +0000 | [diff] [blame^] | 2668 | CcTest::InitializeVM(); |
yangguo@chromium.org | c03a192 | 2013-02-19 13:55:47 +0000 | [diff] [blame] | 2669 | Isolate* isolate = Isolate::Current(); |
| 2670 | Heap* heap = isolate->heap(); |
svenpanne@chromium.org | 2bda543 | 2013-03-15 12:39:50 +0000 | [diff] [blame] | 2671 | HandleScope scope(isolate); |
mstarzinger@chromium.org | 32280cf | 2012-12-06 17:32:37 +0000 | [diff] [blame] | 2672 | |
| 2673 | // Perform one initial GC to enable code flushing. |
yangguo@chromium.org | c03a192 | 2013-02-19 13:55:47 +0000 | [diff] [blame] | 2674 | heap->CollectAllGarbage(Heap::kAbortIncrementalMarkingMask); |
mstarzinger@chromium.org | 32280cf | 2012-12-06 17:32:37 +0000 | [diff] [blame] | 2675 | |
| 2676 | // Prepare several closures that are all eligible for code flushing |
| 2677 | // because all reachable ones are not optimized. Make sure that the |
| 2678 | // optimized code object is directly reachable through a handle so |
| 2679 | // that it is marked black during incremental marking. |
| 2680 | Handle<Code> code; |
| 2681 | { |
yangguo@chromium.org | c03a192 | 2013-02-19 13:55:47 +0000 | [diff] [blame] | 2682 | HandleScope inner_scope(isolate); |
mstarzinger@chromium.org | 32280cf | 2012-12-06 17:32:37 +0000 | [diff] [blame] | 2683 | CompileRun("function h(x) {}" |
| 2684 | "function mkClosure() {" |
| 2685 | " return function(x) { return x + 1; };" |
| 2686 | "}" |
| 2687 | "var f = mkClosure();" |
| 2688 | "var g = mkClosure();" |
| 2689 | "f(1); f(2);" |
| 2690 | "g(1); g(2);" |
| 2691 | "h(1); h(2);" |
| 2692 | "%OptimizeFunctionOnNextCall(f); f(3);" |
| 2693 | "%OptimizeFunctionOnNextCall(h); h(3);"); |
| 2694 | |
| 2695 | Handle<JSFunction> f = |
| 2696 | v8::Utils::OpenHandle( |
| 2697 | *v8::Handle<v8::Function>::Cast( |
| 2698 | v8::Context::GetCurrent()->Global()->Get(v8_str("f")))); |
| 2699 | CHECK(f->is_compiled()); |
| 2700 | CompileRun("f = null;"); |
| 2701 | |
| 2702 | Handle<JSFunction> g = |
| 2703 | v8::Utils::OpenHandle( |
| 2704 | *v8::Handle<v8::Function>::Cast( |
| 2705 | v8::Context::GetCurrent()->Global()->Get(v8_str("g")))); |
| 2706 | CHECK(g->is_compiled()); |
| 2707 | const int kAgingThreshold = 6; |
| 2708 | for (int i = 0; i < kAgingThreshold; i++) { |
| 2709 | g->code()->MakeOlder(static_cast<MarkingParity>(i % 2)); |
| 2710 | } |
| 2711 | |
| 2712 | code = inner_scope.CloseAndEscape(Handle<Code>(f->code())); |
| 2713 | } |
| 2714 | |
| 2715 | // Simulate incremental marking so that the functions are enqueued as |
| 2716 | // code flushing candidates. Then optimize one function. Finally |
| 2717 | // finish the GC to complete code flushing. |
| 2718 | SimulateIncrementalMarking(); |
| 2719 | CompileRun("%OptimizeFunctionOnNextCall(g); g(3);"); |
yangguo@chromium.org | c03a192 | 2013-02-19 13:55:47 +0000 | [diff] [blame] | 2720 | heap->CollectAllGarbage(Heap::kNoGCFlags); |
mstarzinger@chromium.org | 32280cf | 2012-12-06 17:32:37 +0000 | [diff] [blame] | 2721 | |
| 2722 | // Unoptimized code is missing and the deoptimizer will go ballistic. |
| 2723 | CompileRun("g('bozo');"); |
| 2724 | } |
yangguo@chromium.org | a6bbcc8 | 2012-12-21 12:35:02 +0000 | [diff] [blame] | 2725 | |
| 2726 | |
| 2727 | TEST(Regress165495) { |
| 2728 | i::FLAG_allow_natives_syntax = true; |
| 2729 | i::FLAG_flush_code_incrementally = true; |
mstarzinger@chromium.org | e27d617 | 2013-04-17 11:51:44 +0000 | [diff] [blame^] | 2730 | CcTest::InitializeVM(); |
yangguo@chromium.org | c03a192 | 2013-02-19 13:55:47 +0000 | [diff] [blame] | 2731 | Isolate* isolate = Isolate::Current(); |
| 2732 | Heap* heap = isolate->heap(); |
svenpanne@chromium.org | 2bda543 | 2013-03-15 12:39:50 +0000 | [diff] [blame] | 2733 | HandleScope scope(isolate); |
yangguo@chromium.org | a6bbcc8 | 2012-12-21 12:35:02 +0000 | [diff] [blame] | 2734 | |
| 2735 | // Perform one initial GC to enable code flushing. |
yangguo@chromium.org | c03a192 | 2013-02-19 13:55:47 +0000 | [diff] [blame] | 2736 | heap->CollectAllGarbage(Heap::kAbortIncrementalMarkingMask); |
yangguo@chromium.org | a6bbcc8 | 2012-12-21 12:35:02 +0000 | [diff] [blame] | 2737 | |
| 2738 | // Prepare an optimized closure that the optimized code map will get |
| 2739 | // populated. Then age the unoptimized code to trigger code flushing |
| 2740 | // but make sure the optimized code is unreachable. |
| 2741 | { |
yangguo@chromium.org | c03a192 | 2013-02-19 13:55:47 +0000 | [diff] [blame] | 2742 | HandleScope inner_scope(isolate); |
yangguo@chromium.org | a6bbcc8 | 2012-12-21 12:35:02 +0000 | [diff] [blame] | 2743 | CompileRun("function mkClosure() {" |
| 2744 | " return function(x) { return x + 1; };" |
| 2745 | "}" |
| 2746 | "var f = mkClosure();" |
| 2747 | "f(1); f(2);" |
| 2748 | "%OptimizeFunctionOnNextCall(f); f(3);"); |
| 2749 | |
| 2750 | Handle<JSFunction> f = |
| 2751 | v8::Utils::OpenHandle( |
| 2752 | *v8::Handle<v8::Function>::Cast( |
| 2753 | v8::Context::GetCurrent()->Global()->Get(v8_str("f")))); |
| 2754 | CHECK(f->is_compiled()); |
| 2755 | const int kAgingThreshold = 6; |
| 2756 | for (int i = 0; i < kAgingThreshold; i++) { |
| 2757 | f->shared()->code()->MakeOlder(static_cast<MarkingParity>(i % 2)); |
| 2758 | } |
| 2759 | |
| 2760 | CompileRun("f = null;"); |
| 2761 | } |
| 2762 | |
| 2763 | // Simulate incremental marking so that unoptimized code is flushed |
| 2764 | // even though it still is cached in the optimized code map. |
| 2765 | SimulateIncrementalMarking(); |
yangguo@chromium.org | c03a192 | 2013-02-19 13:55:47 +0000 | [diff] [blame] | 2766 | heap->CollectAllGarbage(Heap::kNoGCFlags); |
yangguo@chromium.org | a6bbcc8 | 2012-12-21 12:35:02 +0000 | [diff] [blame] | 2767 | |
| 2768 | // Make a new closure that will get code installed from the code map. |
| 2769 | // Unoptimized code is missing and the deoptimizer will go ballistic. |
| 2770 | CompileRun("var g = mkClosure(); g('bozo');"); |
| 2771 | } |
yangguo@chromium.org | 9768bf1 | 2013-01-11 14:51:07 +0000 | [diff] [blame] | 2772 | |
| 2773 | |
| 2774 | TEST(Regress169209) { |
mmassi@chromium.org | 2f0efde | 2013-02-06 14:12:58 +0000 | [diff] [blame] | 2775 | i::FLAG_stress_compaction = false; |
yangguo@chromium.org | 9768bf1 | 2013-01-11 14:51:07 +0000 | [diff] [blame] | 2776 | i::FLAG_allow_natives_syntax = true; |
| 2777 | i::FLAG_flush_code_incrementally = true; |
mstarzinger@chromium.org | e27d617 | 2013-04-17 11:51:44 +0000 | [diff] [blame^] | 2778 | CcTest::InitializeVM(); |
yangguo@chromium.org | c03a192 | 2013-02-19 13:55:47 +0000 | [diff] [blame] | 2779 | Isolate* isolate = Isolate::Current(); |
| 2780 | Heap* heap = isolate->heap(); |
svenpanne@chromium.org | 2bda543 | 2013-03-15 12:39:50 +0000 | [diff] [blame] | 2781 | HandleScope scope(isolate); |
yangguo@chromium.org | 9768bf1 | 2013-01-11 14:51:07 +0000 | [diff] [blame] | 2782 | |
| 2783 | // Perform one initial GC to enable code flushing. |
yangguo@chromium.org | c03a192 | 2013-02-19 13:55:47 +0000 | [diff] [blame] | 2784 | heap->CollectAllGarbage(Heap::kAbortIncrementalMarkingMask); |
yangguo@chromium.org | 9768bf1 | 2013-01-11 14:51:07 +0000 | [diff] [blame] | 2785 | |
| 2786 | // Prepare a shared function info eligible for code flushing for which |
| 2787 | // the unoptimized code will be replaced during optimization. |
| 2788 | Handle<SharedFunctionInfo> shared1; |
| 2789 | { |
yangguo@chromium.org | c03a192 | 2013-02-19 13:55:47 +0000 | [diff] [blame] | 2790 | HandleScope inner_scope(isolate); |
yangguo@chromium.org | 9768bf1 | 2013-01-11 14:51:07 +0000 | [diff] [blame] | 2791 | CompileRun("function f() { return 'foobar'; }" |
| 2792 | "function g(x) { if (x) f(); }" |
| 2793 | "f();" |
| 2794 | "g(false);" |
| 2795 | "g(false);"); |
| 2796 | |
| 2797 | Handle<JSFunction> f = |
| 2798 | v8::Utils::OpenHandle( |
| 2799 | *v8::Handle<v8::Function>::Cast( |
| 2800 | v8::Context::GetCurrent()->Global()->Get(v8_str("f")))); |
| 2801 | CHECK(f->is_compiled()); |
| 2802 | const int kAgingThreshold = 6; |
| 2803 | for (int i = 0; i < kAgingThreshold; i++) { |
| 2804 | f->shared()->code()->MakeOlder(static_cast<MarkingParity>(i % 2)); |
| 2805 | } |
| 2806 | |
yangguo@chromium.org | c03a192 | 2013-02-19 13:55:47 +0000 | [diff] [blame] | 2807 | shared1 = inner_scope.CloseAndEscape(handle(f->shared(), isolate)); |
yangguo@chromium.org | 9768bf1 | 2013-01-11 14:51:07 +0000 | [diff] [blame] | 2808 | } |
| 2809 | |
| 2810 | // Prepare a shared function info eligible for code flushing that will |
| 2811 | // represent the dangling tail of the candidate list. |
| 2812 | Handle<SharedFunctionInfo> shared2; |
| 2813 | { |
yangguo@chromium.org | c03a192 | 2013-02-19 13:55:47 +0000 | [diff] [blame] | 2814 | HandleScope inner_scope(isolate); |
yangguo@chromium.org | 9768bf1 | 2013-01-11 14:51:07 +0000 | [diff] [blame] | 2815 | CompileRun("function flushMe() { return 0; }" |
| 2816 | "flushMe(1);"); |
| 2817 | |
| 2818 | Handle<JSFunction> f = |
| 2819 | v8::Utils::OpenHandle( |
| 2820 | *v8::Handle<v8::Function>::Cast( |
| 2821 | v8::Context::GetCurrent()->Global()->Get(v8_str("flushMe")))); |
| 2822 | CHECK(f->is_compiled()); |
| 2823 | const int kAgingThreshold = 6; |
| 2824 | for (int i = 0; i < kAgingThreshold; i++) { |
| 2825 | f->shared()->code()->MakeOlder(static_cast<MarkingParity>(i % 2)); |
| 2826 | } |
| 2827 | |
yangguo@chromium.org | c03a192 | 2013-02-19 13:55:47 +0000 | [diff] [blame] | 2828 | shared2 = inner_scope.CloseAndEscape(handle(f->shared(), isolate)); |
yangguo@chromium.org | 9768bf1 | 2013-01-11 14:51:07 +0000 | [diff] [blame] | 2829 | } |
| 2830 | |
| 2831 | // Simulate incremental marking and collect code flushing candidates. |
| 2832 | SimulateIncrementalMarking(); |
| 2833 | CHECK(shared1->code()->gc_metadata() != NULL); |
| 2834 | |
| 2835 | // Optimize function and make sure the unoptimized code is replaced. |
| 2836 | #ifdef DEBUG |
| 2837 | FLAG_stop_at = "f"; |
| 2838 | #endif |
| 2839 | CompileRun("%OptimizeFunctionOnNextCall(g);" |
| 2840 | "g(false);"); |
| 2841 | |
| 2842 | // Finish garbage collection cycle. |
yangguo@chromium.org | c03a192 | 2013-02-19 13:55:47 +0000 | [diff] [blame] | 2843 | heap->CollectAllGarbage(Heap::kNoGCFlags); |
yangguo@chromium.org | 9768bf1 | 2013-01-11 14:51:07 +0000 | [diff] [blame] | 2844 | CHECK(shared1->code()->gc_metadata() == NULL); |
| 2845 | } |
yangguo@chromium.org | 28381b4 | 2013-01-21 14:39:38 +0000 | [diff] [blame] | 2846 | |
| 2847 | |
| 2848 | // Helper function that simulates a fill new-space in the heap. |
| 2849 | static inline void AllocateAllButNBytes(v8::internal::NewSpace* space, |
| 2850 | int extra_bytes) { |
| 2851 | int space_remaining = static_cast<int>( |
| 2852 | *space->allocation_limit_address() - *space->allocation_top_address()); |
| 2853 | CHECK(space_remaining >= extra_bytes); |
| 2854 | int new_linear_size = space_remaining - extra_bytes; |
| 2855 | v8::internal::MaybeObject* maybe = space->AllocateRaw(new_linear_size); |
| 2856 | v8::internal::FreeListNode* node = v8::internal::FreeListNode::cast(maybe); |
| 2857 | node->set_size(space->heap(), new_linear_size); |
| 2858 | } |
| 2859 | |
| 2860 | |
| 2861 | TEST(Regress169928) { |
| 2862 | i::FLAG_allow_natives_syntax = true; |
| 2863 | i::FLAG_crankshaft = false; |
mstarzinger@chromium.org | e27d617 | 2013-04-17 11:51:44 +0000 | [diff] [blame^] | 2864 | CcTest::InitializeVM(); |
| 2865 | v8::HandleScope scope(CcTest::isolate()); |
yangguo@chromium.org | 28381b4 | 2013-01-21 14:39:38 +0000 | [diff] [blame] | 2866 | |
| 2867 | // Some flags turn Scavenge collections into Mark-sweep collections |
| 2868 | // and hence are incompatible with this test case. |
| 2869 | if (FLAG_gc_global || FLAG_stress_compaction) return; |
| 2870 | |
| 2871 | // Prepare the environment |
| 2872 | CompileRun("function fastliteralcase(literal, value) {" |
| 2873 | " literal[0] = value;" |
| 2874 | " return literal;" |
| 2875 | "}" |
| 2876 | "function get_standard_literal() {" |
| 2877 | " var literal = [1, 2, 3];" |
| 2878 | " return literal;" |
| 2879 | "}" |
| 2880 | "obj = fastliteralcase(get_standard_literal(), 1);" |
| 2881 | "obj = fastliteralcase(get_standard_literal(), 1.5);" |
| 2882 | "obj = fastliteralcase(get_standard_literal(), 2);"); |
| 2883 | |
| 2884 | // prepare the heap |
| 2885 | v8::Local<v8::String> mote_code_string = |
| 2886 | v8_str("fastliteralcase(mote, 2.5);"); |
| 2887 | |
| 2888 | v8::Local<v8::String> array_name = v8_str("mote"); |
| 2889 | v8::Context::GetCurrent()->Global()->Set(array_name, v8::Int32::New(0)); |
| 2890 | |
| 2891 | // First make sure we flip spaces |
| 2892 | HEAP->CollectGarbage(NEW_SPACE); |
| 2893 | |
| 2894 | // Allocate the object. |
| 2895 | Handle<FixedArray> array_data = FACTORY->NewFixedArray(2, NOT_TENURED); |
| 2896 | array_data->set(0, Smi::FromInt(1)); |
| 2897 | array_data->set(1, Smi::FromInt(2)); |
| 2898 | |
| 2899 | AllocateAllButNBytes(HEAP->new_space(), |
| 2900 | JSArray::kSize + AllocationSiteInfo::kSize + |
| 2901 | kPointerSize); |
| 2902 | |
| 2903 | Handle<JSArray> array = FACTORY->NewJSArrayWithElements(array_data, |
| 2904 | FAST_SMI_ELEMENTS, |
| 2905 | NOT_TENURED); |
| 2906 | |
| 2907 | CHECK_EQ(Smi::FromInt(2), array->length()); |
| 2908 | CHECK(array->HasFastSmiOrObjectElements()); |
| 2909 | |
| 2910 | // We need filler the size of AllocationSiteInfo object, plus an extra |
| 2911 | // fill pointer value. |
| 2912 | MaybeObject* maybe_object = HEAP->AllocateRaw( |
| 2913 | AllocationSiteInfo::kSize + kPointerSize, NEW_SPACE, OLD_POINTER_SPACE); |
| 2914 | Object* obj = NULL; |
| 2915 | CHECK(maybe_object->ToObject(&obj)); |
| 2916 | Address addr_obj = reinterpret_cast<Address>( |
| 2917 | reinterpret_cast<byte*>(obj - kHeapObjectTag)); |
| 2918 | HEAP->CreateFillerObjectAt(addr_obj, |
| 2919 | AllocationSiteInfo::kSize + kPointerSize); |
| 2920 | |
| 2921 | // Give the array a name, making sure not to allocate strings. |
| 2922 | v8::Handle<v8::Object> array_obj = v8::Utils::ToLocal(array); |
| 2923 | v8::Context::GetCurrent()->Global()->Set(array_name, array_obj); |
| 2924 | |
| 2925 | // This should crash with a protection violation if we are running a build |
| 2926 | // with the bug. |
| 2927 | AlwaysAllocateScope aa_scope; |
| 2928 | v8::Script::Compile(mote_code_string)->Run(); |
| 2929 | } |
mvstanton@chromium.org | c47dff5 | 2013-01-23 16:28:41 +0000 | [diff] [blame] | 2930 | |
| 2931 | |
| 2932 | TEST(Regress168801) { |
| 2933 | i::FLAG_always_compact = true; |
| 2934 | i::FLAG_cache_optimized_code = false; |
| 2935 | i::FLAG_allow_natives_syntax = true; |
| 2936 | i::FLAG_flush_code_incrementally = true; |
mstarzinger@chromium.org | e27d617 | 2013-04-17 11:51:44 +0000 | [diff] [blame^] | 2937 | CcTest::InitializeVM(); |
yangguo@chromium.org | c03a192 | 2013-02-19 13:55:47 +0000 | [diff] [blame] | 2938 | Isolate* isolate = Isolate::Current(); |
| 2939 | Heap* heap = isolate->heap(); |
svenpanne@chromium.org | 2bda543 | 2013-03-15 12:39:50 +0000 | [diff] [blame] | 2940 | HandleScope scope(isolate); |
mvstanton@chromium.org | c47dff5 | 2013-01-23 16:28:41 +0000 | [diff] [blame] | 2941 | |
| 2942 | // Perform one initial GC to enable code flushing. |
yangguo@chromium.org | c03a192 | 2013-02-19 13:55:47 +0000 | [diff] [blame] | 2943 | heap->CollectAllGarbage(Heap::kAbortIncrementalMarkingMask); |
mvstanton@chromium.org | c47dff5 | 2013-01-23 16:28:41 +0000 | [diff] [blame] | 2944 | |
| 2945 | // Ensure the code ends up on an evacuation candidate. |
yangguo@chromium.org | c03a192 | 2013-02-19 13:55:47 +0000 | [diff] [blame] | 2946 | SimulateFullSpace(heap->code_space()); |
mvstanton@chromium.org | c47dff5 | 2013-01-23 16:28:41 +0000 | [diff] [blame] | 2947 | |
| 2948 | // Prepare an unoptimized function that is eligible for code flushing. |
| 2949 | Handle<JSFunction> function; |
| 2950 | { |
yangguo@chromium.org | c03a192 | 2013-02-19 13:55:47 +0000 | [diff] [blame] | 2951 | HandleScope inner_scope(isolate); |
mvstanton@chromium.org | c47dff5 | 2013-01-23 16:28:41 +0000 | [diff] [blame] | 2952 | CompileRun("function mkClosure() {" |
| 2953 | " return function(x) { return x + 1; };" |
| 2954 | "}" |
| 2955 | "var f = mkClosure();" |
| 2956 | "f(1); f(2);"); |
| 2957 | |
| 2958 | Handle<JSFunction> f = |
| 2959 | v8::Utils::OpenHandle( |
| 2960 | *v8::Handle<v8::Function>::Cast( |
| 2961 | v8::Context::GetCurrent()->Global()->Get(v8_str("f")))); |
| 2962 | CHECK(f->is_compiled()); |
| 2963 | const int kAgingThreshold = 6; |
| 2964 | for (int i = 0; i < kAgingThreshold; i++) { |
| 2965 | f->shared()->code()->MakeOlder(static_cast<MarkingParity>(i % 2)); |
| 2966 | } |
| 2967 | |
yangguo@chromium.org | c03a192 | 2013-02-19 13:55:47 +0000 | [diff] [blame] | 2968 | function = inner_scope.CloseAndEscape(handle(*f, isolate)); |
mvstanton@chromium.org | c47dff5 | 2013-01-23 16:28:41 +0000 | [diff] [blame] | 2969 | } |
| 2970 | |
| 2971 | // Simulate incremental marking so that unoptimized function is enqueued as a |
| 2972 | // candidate for code flushing. The shared function info however will not be |
| 2973 | // explicitly enqueued. |
| 2974 | SimulateIncrementalMarking(); |
| 2975 | |
| 2976 | // Now optimize the function so that it is taken off the candidate list. |
| 2977 | { |
yangguo@chromium.org | c03a192 | 2013-02-19 13:55:47 +0000 | [diff] [blame] | 2978 | HandleScope inner_scope(isolate); |
mvstanton@chromium.org | c47dff5 | 2013-01-23 16:28:41 +0000 | [diff] [blame] | 2979 | CompileRun("%OptimizeFunctionOnNextCall(f); f(3);"); |
| 2980 | } |
| 2981 | |
| 2982 | // This cycle will bust the heap and subsequent cycles will go ballistic. |
yangguo@chromium.org | c03a192 | 2013-02-19 13:55:47 +0000 | [diff] [blame] | 2983 | heap->CollectAllGarbage(Heap::kNoGCFlags); |
| 2984 | heap->CollectAllGarbage(Heap::kNoGCFlags); |
mvstanton@chromium.org | c47dff5 | 2013-01-23 16:28:41 +0000 | [diff] [blame] | 2985 | } |
hpayer@chromium.org | 7c3372b | 2013-02-13 17:26:04 +0000 | [diff] [blame] | 2986 | |
| 2987 | |
| 2988 | TEST(Regress173458) { |
| 2989 | i::FLAG_always_compact = true; |
| 2990 | i::FLAG_cache_optimized_code = false; |
| 2991 | i::FLAG_allow_natives_syntax = true; |
| 2992 | i::FLAG_flush_code_incrementally = true; |
mstarzinger@chromium.org | e27d617 | 2013-04-17 11:51:44 +0000 | [diff] [blame^] | 2993 | CcTest::InitializeVM(); |
yangguo@chromium.org | c03a192 | 2013-02-19 13:55:47 +0000 | [diff] [blame] | 2994 | Isolate* isolate = Isolate::Current(); |
| 2995 | Heap* heap = isolate->heap(); |
svenpanne@chromium.org | 2bda543 | 2013-03-15 12:39:50 +0000 | [diff] [blame] | 2996 | HandleScope scope(isolate); |
hpayer@chromium.org | 7c3372b | 2013-02-13 17:26:04 +0000 | [diff] [blame] | 2997 | |
| 2998 | // Perform one initial GC to enable code flushing. |
yangguo@chromium.org | c03a192 | 2013-02-19 13:55:47 +0000 | [diff] [blame] | 2999 | heap->CollectAllGarbage(Heap::kAbortIncrementalMarkingMask); |
hpayer@chromium.org | 7c3372b | 2013-02-13 17:26:04 +0000 | [diff] [blame] | 3000 | |
| 3001 | // Ensure the code ends up on an evacuation candidate. |
yangguo@chromium.org | c03a192 | 2013-02-19 13:55:47 +0000 | [diff] [blame] | 3002 | SimulateFullSpace(heap->code_space()); |
hpayer@chromium.org | 7c3372b | 2013-02-13 17:26:04 +0000 | [diff] [blame] | 3003 | |
| 3004 | // Prepare an unoptimized function that is eligible for code flushing. |
| 3005 | Handle<JSFunction> function; |
| 3006 | { |
yangguo@chromium.org | c03a192 | 2013-02-19 13:55:47 +0000 | [diff] [blame] | 3007 | HandleScope inner_scope(isolate); |
hpayer@chromium.org | 7c3372b | 2013-02-13 17:26:04 +0000 | [diff] [blame] | 3008 | CompileRun("function mkClosure() {" |
| 3009 | " return function(x) { return x + 1; };" |
| 3010 | "}" |
| 3011 | "var f = mkClosure();" |
| 3012 | "f(1); f(2);"); |
| 3013 | |
| 3014 | Handle<JSFunction> f = |
| 3015 | v8::Utils::OpenHandle( |
| 3016 | *v8::Handle<v8::Function>::Cast( |
| 3017 | v8::Context::GetCurrent()->Global()->Get(v8_str("f")))); |
| 3018 | CHECK(f->is_compiled()); |
| 3019 | const int kAgingThreshold = 6; |
| 3020 | for (int i = 0; i < kAgingThreshold; i++) { |
| 3021 | f->shared()->code()->MakeOlder(static_cast<MarkingParity>(i % 2)); |
| 3022 | } |
| 3023 | |
yangguo@chromium.org | c03a192 | 2013-02-19 13:55:47 +0000 | [diff] [blame] | 3024 | function = inner_scope.CloseAndEscape(handle(*f, isolate)); |
hpayer@chromium.org | 7c3372b | 2013-02-13 17:26:04 +0000 | [diff] [blame] | 3025 | } |
| 3026 | |
| 3027 | // Simulate incremental marking so that unoptimized function is enqueued as a |
| 3028 | // candidate for code flushing. The shared function info however will not be |
| 3029 | // explicitly enqueued. |
| 3030 | SimulateIncrementalMarking(); |
| 3031 | |
danno@chromium.org | c99cd48 | 2013-03-21 15:26:42 +0000 | [diff] [blame] | 3032 | #ifdef ENABLE_DEBUGGER_SUPPORT |
hpayer@chromium.org | 7c3372b | 2013-02-13 17:26:04 +0000 | [diff] [blame] | 3033 | // Now enable the debugger which in turn will disable code flushing. |
yangguo@chromium.org | c03a192 | 2013-02-19 13:55:47 +0000 | [diff] [blame] | 3034 | CHECK(isolate->debug()->Load()); |
danno@chromium.org | c99cd48 | 2013-03-21 15:26:42 +0000 | [diff] [blame] | 3035 | #endif // ENABLE_DEBUGGER_SUPPORT |
hpayer@chromium.org | 7c3372b | 2013-02-13 17:26:04 +0000 | [diff] [blame] | 3036 | |
| 3037 | // This cycle will bust the heap and subsequent cycles will go ballistic. |
yangguo@chromium.org | c03a192 | 2013-02-19 13:55:47 +0000 | [diff] [blame] | 3038 | heap->CollectAllGarbage(Heap::kNoGCFlags); |
| 3039 | heap->CollectAllGarbage(Heap::kNoGCFlags); |
hpayer@chromium.org | 7c3372b | 2013-02-13 17:26:04 +0000 | [diff] [blame] | 3040 | } |
svenpanne@chromium.org | 876cca8 | 2013-03-18 14:43:20 +0000 | [diff] [blame] | 3041 | |
| 3042 | |
| 3043 | class DummyVisitor : public ObjectVisitor { |
| 3044 | public: |
| 3045 | void VisitPointers(Object** start, Object** end) { } |
| 3046 | }; |
| 3047 | |
| 3048 | |
| 3049 | TEST(DeferredHandles) { |
mstarzinger@chromium.org | e27d617 | 2013-04-17 11:51:44 +0000 | [diff] [blame^] | 3050 | CcTest::InitializeVM(); |
svenpanne@chromium.org | 876cca8 | 2013-03-18 14:43:20 +0000 | [diff] [blame] | 3051 | Isolate* isolate = Isolate::Current(); |
| 3052 | Heap* heap = isolate->heap(); |
| 3053 | v8::HandleScope scope; |
| 3054 | v8::ImplementationUtilities::HandleScopeData* data = |
| 3055 | isolate->handle_scope_data(); |
| 3056 | Handle<Object> init(heap->empty_string(), isolate); |
| 3057 | while (data->next < data->limit) { |
| 3058 | Handle<Object> obj(heap->empty_string(), isolate); |
| 3059 | } |
| 3060 | // An entire block of handles has been filled. |
| 3061 | // Next handle would require a new block. |
| 3062 | ASSERT(data->next == data->limit); |
| 3063 | |
| 3064 | DeferredHandleScope deferred(isolate); |
| 3065 | DummyVisitor visitor; |
| 3066 | isolate->handle_scope_implementer()->Iterate(&visitor); |
| 3067 | deferred.Detach(); |
| 3068 | } |