f8db2414f2
This removes the FACTORY helper macro to avoid accidental TLS access when using the factory. Most internal code has access to the Isolate by now whereas tests which are not performance critical still heavily use TLS access through explicit Isolate::Current() calls. R=svenpanne@chromium.org Review URL: https://codereview.chromium.org/16337005 git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@14931 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
109 lines
4.2 KiB
C++
109 lines
4.2 KiB
C++
// Copyright 2012 the V8 project authors. All rights reserved.
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// Redistribution and use in source and binary forms, with or without
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// modification, are permitted provided that the following conditions are
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// met:
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//
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// * Redistributions of source code must retain the above copyright
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// notice, this list of conditions and the following disclaimer.
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// * Redistributions in binary form must reproduce the above
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// copyright notice, this list of conditions and the following
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// disclaimer in the documentation and/or other materials provided
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// with the distribution.
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// * Neither the name of Google Inc. nor the names of its
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// contributors may be used to endorse or promote products derived
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// from this software without specific prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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#include "v8.h"
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#include "cctest.h"
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#include "compiler.h"
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#include "execution.h"
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#include "isolate.h"
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using namespace v8::internal;
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void SetSeeds(Handle<ByteArray> seeds, uint32_t state0, uint32_t state1) {
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for (int i = 0; i < 4; i++) {
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seeds->set(i, static_cast<byte>(state0 >> (i * kBitsPerByte)));
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seeds->set(i + 4, static_cast<byte>(state1 >> (i * kBitsPerByte)));
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}
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}
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void TestSeeds(Handle<JSFunction> fun,
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Handle<Context> context,
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uint32_t state0,
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uint32_t state1) {
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bool has_pending_exception;
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Handle<JSObject> global(context->global_object());
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Handle<ByteArray> seeds(context->random_seed());
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SetSeeds(seeds, state0, state1);
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Handle<Object> value =
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Execution::Call(fun, global, 0, NULL, &has_pending_exception);
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CHECK(value->IsHeapNumber());
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CHECK(fun->IsOptimized());
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double crankshaft_value = HeapNumber::cast(*value)->value();
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SetSeeds(seeds, state0, state1);
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V8::FillHeapNumberWithRandom(*value, *context);
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double runtime_value = HeapNumber::cast(*value)->value();
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CHECK_EQ(runtime_value, crankshaft_value);
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}
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TEST(CrankshaftRandom) {
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v8::V8::Initialize();
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// Skip test if crankshaft is disabled.
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if (!V8::UseCrankshaft()) return;
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v8::Isolate* isolate = v8::Isolate::GetCurrent();
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v8::HandleScope scope(isolate);
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v8::Context::Scope context_scope(v8::Context::New(isolate));
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Handle<Context> context(Isolate::Current()->context());
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Handle<JSObject> global(context->global_object());
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Handle<ByteArray> seeds(context->random_seed());
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bool has_pending_exception;
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CompileRun("function f() { return Math.random(); }");
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Object* string = Isolate::Current()->factory()->InternalizeOneByteString(
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STATIC_ASCII_VECTOR("f"))->ToObjectChecked();
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MaybeObject* fun_object =
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context->global_object()->GetProperty(String::cast(string));
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Handle<JSFunction> fun(JSFunction::cast(fun_object->ToObjectChecked()));
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// Optimize function.
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Execution::Call(fun, global, 0, NULL, &has_pending_exception);
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Execution::Call(fun, global, 0, NULL, &has_pending_exception);
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if (!fun->IsOptimized()) fun->MarkForLazyRecompilation();
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// Test with some random values.
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TestSeeds(fun, context, 0xC0C0AFFE, 0x31415926);
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TestSeeds(fun, context, 0x01020304, 0xFFFFFFFF);
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TestSeeds(fun, context, 0x00000001, 0x00000000);
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// Test that we bail out to runtime when seeds are uninitialized (zeros).
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SetSeeds(seeds, 0, 0);
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Handle<Object> value =
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Execution::Call(fun, global, 0, NULL, &has_pending_exception);
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CHECK(value->IsHeapNumber());
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CHECK(fun->IsOptimized());
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double crankshaft_value = HeapNumber::cast(*value)->value();
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CHECK_NE(0.0, crankshaft_value);
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}
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