1// Copyright 2011 the V8 project authors. All rights reserved. 2// Redistribution and use in source and binary forms, with or without 3// modification, are permitted provided that the following conditions are 4// met: 5// 6// * Redistributions of source code must retain the above copyright 7// notice, this list of conditions and the following disclaimer. 8// * Redistributions in binary form must reproduce the above 9// copyright notice, this list of conditions and the following 10// disclaimer in the documentation and/or other materials provided 11// with the distribution. 12// * Neither the name of Google Inc. nor the names of its 13// contributors may be used to endorse or promote products derived 14// from this software without specific prior written permission. 15// 16// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 17// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 18// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 19// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 20// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 21// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 22// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 23// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 24// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 25// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 26// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 27 28#ifndef V8_IA32_CODEGEN_IA32_H_ 29#define V8_IA32_CODEGEN_IA32_H_ 30 31#include "ast.h" 32#include "ic-inl.h" 33 34namespace v8 { 35namespace internal { 36 37// Forward declarations 38class CompilationInfo; 39 40// ------------------------------------------------------------------------- 41// CodeGenerator 42 43class CodeGenerator { 44 public: 45 // Printing of AST, etc. as requested by flags. 46 static void MakeCodePrologue(CompilationInfo* info); 47 48 // Allocate and install the code. 49 static Handle<Code> MakeCodeEpilogue(MacroAssembler* masm, 50 Code::Flags flags, 51 CompilationInfo* info); 52 53 // Print the code after compiling it. 54 static void PrintCode(Handle<Code> code, CompilationInfo* info); 55 56 static bool ShouldGenerateLog(Expression* type); 57 58 static bool RecordPositions(MacroAssembler* masm, 59 int pos, 60 bool right_here = false); 61 62 63 static Operand FixedArrayElementOperand(Register array, 64 Register index_as_smi, 65 int additional_offset = 0) { 66 int offset = FixedArray::kHeaderSize + additional_offset * kPointerSize; 67 return FieldOperand(array, index_as_smi, times_half_pointer_size, offset); 68 } 69 70 private: 71 DISALLOW_COPY_AND_ASSIGN(CodeGenerator); 72}; 73 74 75class StringCharLoadGenerator : public AllStatic { 76 public: 77 // Generates the code for handling different string types and loading the 78 // indexed character into |result|. We expect |index| as untagged input and 79 // |result| as untagged output. 80 static void Generate(MacroAssembler* masm, 81 Factory* factory, 82 Register string, 83 Register index, 84 Register result, 85 Label* call_runtime); 86 87 private: 88 DISALLOW_COPY_AND_ASSIGN(StringCharLoadGenerator); 89}; 90 91} } // namespace v8::internal 92 93#endif // V8_IA32_CODEGEN_IA32_H_ 94