Merge 'wip/next' into dev

Change-Id: Iff9ee5e23bb326c4371ec8ed81d56f2f05d680e9

1 files changed, 329 insertions, 0 deletions

diff --git a/Source/JavaScriptCore/wasm/WASMConstants.h b/Source/JavaScriptCore/wasm/WASMConstants.h
new file mode 100644
index 000000000..4e3bd443f
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+++ b/Source/JavaScriptCore/wasm/WASMConstants.h
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+/*
+ * Copyright (C) 2015 Apple Inc. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
+ * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE INC. OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+ * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
+ * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ * =========================================================================
+ *
+ * Copyright (c) 2015 by the repository authors of
+ * WebAssembly/polyfill-prototype-1.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef WASMConstants_h
+#define WASMConstants_h
+
+#if ENABLE(WEBASSEMBLY)
+
+namespace JSC {
+
+static const uint32_t wasmMagicNumber = 0x6d736177;
+
+enum class WASMOpKind {
+    Statement,
+    Expression
+};
+
+enum class WASMOpStatement : uint8_t {
+    SetLocal,
+    SetGlobal,
+    I32Store8,
+    I32StoreWithOffset8,
+    I32Store16,
+    I32StoreWithOffset16,
+    I32Store32,
+    I32StoreWithOffset32,
+    F32Store,
+    F32StoreWithOffset,
+    F64Store,
+    F64StoreWithOffset,
+    CallInternal,
+    CallIndirect,
+    CallImport,
+    Return,
+    Block,
+    If,
+    IfElse,
+    While,
+    Do,
+    Label,
+    Break,
+    BreakLabel,
+    Continue,
+    ContinueLabel,
+    Switch,
+    NumberOfWASMOpStatements
+};
+
+enum class WASMOpStatementWithImmediate : uint8_t {
+    SetLocal,
+    SetGlobal,
+    NumberOfWASMOpStatementWithImmediates
+};
+
+enum class WASMOpExpressionI32 : uint8_t {
+    ConstantPoolIndex,
+    Immediate,
+    GetLocal,
+    GetGlobal,
+    SetLocal,
+    SetGlobal,
+    SLoad8,
+    SLoadWithOffset8,
+    ULoad8,
+    ULoadWithOffset8,
+    SLoad16,
+    SLoadWithOffset16,
+    ULoad16,
+    ULoadWithOffset16,
+    Load32,
+    LoadWithOffset32,
+    Store8,
+    StoreWithOffset8,
+    Store16,
+    StoreWithOffset16,
+    Store32,
+    StoreWithOffset32,
+    CallInternal,
+    CallIndirect,
+    CallImport,
+    Conditional,
+    Comma,
+    FromF32,
+    FromF64,
+    Negate,
+    Add,
+    Sub,
+    Mul,
+    SDiv,
+    UDiv,
+    SMod,
+    UMod,
+    BitNot,
+    BitOr,
+    BitAnd,
+    BitXor,
+    LeftShift,
+    ArithmeticRightShift,
+    LogicalRightShift,
+    CountLeadingZeros,
+    LogicalNot,
+    EqualI32,
+    EqualF32,
+    EqualF64,
+    NotEqualI32,
+    NotEqualF32,
+    NotEqualF64,
+    SLessThanI32,
+    ULessThanI32,
+    LessThanF32,
+    LessThanF64,
+    SLessThanOrEqualI32,
+    ULessThanOrEqualI32,
+    LessThanOrEqualF32,
+    LessThanOrEqualF64,
+    SGreaterThanI32,
+    UGreaterThanI32,
+    GreaterThanF32,
+    GreaterThanF64,
+    SGreaterThanOrEqualI32,
+    UGreaterThanOrEqualI32,
+    GreaterThanOrEqualF32,
+    GreaterThanOrEqualF64,
+    SMin,
+    UMin,
+    SMax,
+    UMax,
+    Abs,
+    NumberOfWASMOpExpressionI32s
+};
+
+enum class WASMOpExpressionI32WithImmediate : uint8_t {
+    ConstantPoolIndex,
+    Immediate,
+    GetLocal,
+    NumberOfWASMOpExpressionI32WithImmediates
+};
+
+enum class WASMOpExpressionF32 : uint8_t {
+    ConstantPoolIndex,
+    Immediate,
+    GetLocal,
+    GetGlobal,
+    SetLocal,
+    SetGlobal,
+    Load,
+    LoadWithOffset,
+    Store,
+    StoreWithOffset,
+    CallInternal,
+    CallIndirect,
+    Conditional,
+    Comma,
+    FromS32,
+    FromU32,
+    FromF64,
+    Negate,
+    Add,
+    Sub,
+    Mul,
+    Div,
+    Abs,
+    Ceil,
+    Floor,
+    Sqrt,
+    NumberOfWASMOpExpressionF32s
+};
+
+enum class WASMOpExpressionF32WithImmediate : uint8_t {
+    ConstantPoolIndex,
+    GetLocal,
+    NumberOfWASMOpExpressionF32WithImmediates
+};
+
+enum class WASMOpExpressionF64 : uint8_t {
+    ConstantPoolIndex,
+    Immediate,
+    GetLocal,
+    GetGlobal,
+    SetLocal,
+    SetGlobal,
+    Load,
+    LoadWithOffset,
+    Store,
+    StoreWithOffset,
+    CallInternal,
+    CallIndirect,
+    CallImport,
+    Conditional,
+    Comma,
+    FromS32,
+    FromU32,
+    FromF32,
+    Negate,
+    Add,
+    Sub,
+    Mul,
+    Div,
+    Mod,
+    Min,
+    Max,
+    Abs,
+    Ceil,
+    Floor,
+    Sqrt,
+    Cos,
+    Sin,
+    Tan,
+    ACos,
+    ASin,
+    ATan,
+    ATan2,
+    Exp,
+    Ln,
+    Pow,
+    NumberOfWASMOpExpressionF64s
+};
+
+enum class WASMOpExpressionF64WithImmediate : uint8_t {
+    ConstantPoolIndex,
+    GetLocal,
+    NumberOfWASMOpExpressionF64WithImmediates
+};
+
+enum class WASMOpExpressionVoid : uint8_t {
+    CallInternal,
+    CallIndirect,
+    CallImport,
+    NumberOfWASMOpExpressionVoids
+};
+
+enum class WASMVariableTypes : uint8_t {
+    I32 = 1 << 0,
+    F32 = 1 << 1,
+    F64 = 1 << 2,
+    NumberOfVariableTypes = 8
+};
+
+enum class WASMVariableTypesWithImmediate : uint8_t {
+    I32,
+    NumberOfVariableTypesWithImmediates
+};
+
+enum class WASMSwitchCase : uint8_t {
+    CaseWithNoStatements,
+    CaseWithStatement,
+    CaseWithBlockStatement,
+    DefaultWithNoStatements,
+    DefaultWithStatement,
+    DefaultWithBlockStatement,
+    NumberOfSwitchCases
+};
+
+enum class WASMExportFormat : uint8_t {
+    Default,
+    Record,
+    NumberOfExportFormats
+};
+
+enum class WASMTypeConversion {
+    ConvertSigned,
+    ConvertUnsigned,
+    Promote,
+    Demote,
+};
+
+enum class WASMMemoryType {
+    I8,
+    I16,
+    I32,
+    F32,
+    F64
+};
+
+enum class MemoryAccessOffsetMode { NoOffset, WithOffset };
+enum class MemoryAccessConversion { NoConversion, SignExtend, ZeroExtend };
+
+static const uint8_t hasImmediateInOpFlag = 0x80;
+
+static const unsigned opWithImmediateBits = 2;
+static const uint32_t opWithImmediateLimit = 1 << opWithImmediateBits;
+
+static const unsigned immediateBits = 5;
+static const uint32_t immediateLimit = 1 << immediateBits;
+
+} // namespace JSC
+
+#endif // ENABLE(WEBASSEMBLY)
+
+#endif // WASMConstants_h