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118 lines
4.1 KiB
118 lines
4.1 KiB
// 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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#ifndef V8_CODEGEN_H_
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#define V8_CODEGEN_H_
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#include "code-stubs.h"
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#include "runtime.h"
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#include "type-info.h"
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// Include the declaration of the architecture defined class CodeGenerator.
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// The contract to the shared code is that the the CodeGenerator is a subclass
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// of Visitor and that the following methods are available publicly:
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// MakeCode
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// MakeCodePrologue
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// MakeCodeEpilogue
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// masm
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// frame
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// script
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// has_valid_frame
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// SetFrame
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// DeleteFrame
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// allocator
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// AddDeferred
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// in_spilled_code
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// set_in_spilled_code
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// RecordPositions
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//
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// These methods are either used privately by the shared code or implemented as
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// shared code:
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// CodeGenerator
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// ~CodeGenerator
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// Generate
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// ComputeLazyCompile
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// BuildFunctionInfo
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// ProcessDeclarations
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// DeclareGlobals
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// CheckForInlineRuntimeCall
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// AnalyzeCondition
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// CodeForFunctionPosition
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// CodeForReturnPosition
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// CodeForStatementPosition
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// CodeForDoWhileConditionPosition
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// CodeForSourcePosition
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enum TypeofState { INSIDE_TYPEOF, NOT_INSIDE_TYPEOF };
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#if V8_TARGET_ARCH_IA32
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#include "ia32/codegen-ia32.h"
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#elif V8_TARGET_ARCH_X64
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#include "x64/codegen-x64.h"
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#elif V8_TARGET_ARCH_ARM
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#include "arm/codegen-arm.h"
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#elif V8_TARGET_ARCH_MIPS
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#include "mips/codegen-mips.h"
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#else
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#error Unsupported target architecture.
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#endif
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namespace v8 {
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namespace internal {
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// Results of the library implementation of transcendental functions may differ
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// from the one we use in our generated code. Therefore we use the same
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// generated code both in runtime and compiled code.
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typedef double (*UnaryMathFunction)(double x);
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UnaryMathFunction CreateTranscendentalFunction(TranscendentalCache::Type type);
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UnaryMathFunction CreateExpFunction();
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UnaryMathFunction CreateSqrtFunction();
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class ElementsTransitionGenerator : public AllStatic {
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public:
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// If |mode| is set to DONT_TRACK_ALLOCATION_SITE,
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// |allocation_memento_found| may be NULL.
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static void GenerateMapChangeElementsTransition(MacroAssembler* masm,
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AllocationSiteMode mode,
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Label* allocation_memento_found);
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static void GenerateSmiToDouble(MacroAssembler* masm,
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AllocationSiteMode mode,
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Label* fail);
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static void GenerateDoubleToObject(MacroAssembler* masm,
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AllocationSiteMode mode,
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Label* fail);
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private:
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DISALLOW_COPY_AND_ASSIGN(ElementsTransitionGenerator);
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};
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} } // namespace v8::internal
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#endif // V8_CODEGEN_H_
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