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_ARM_CODEGEN_ARM_H_ 29 #define V8_ARM_CODEGEN_ARM_H_ 30 31 #include "ast.h" 32 #include "code-stubs-arm.h" 33 #include "ic-inl.h" 34 35 namespace v8 { 36 namespace internal { 37 38 // Forward declarations 39 class CompilationInfo; 40 41 enum TypeofState { INSIDE_TYPEOF, NOT_INSIDE_TYPEOF }; 42 43 // ------------------------------------------------------------------------- 44 // CodeGenerator 45 46 class CodeGenerator: public AstVisitor { 47 public: 48 static bool MakeCode(CompilationInfo* info); 49 50 // Printing of AST, etc. as requested by flags. 51 static void MakeCodePrologue(CompilationInfo* info); 52 53 // Allocate and install the code. 54 static Handle<Code> MakeCodeEpilogue(MacroAssembler* masm, 55 Code::Flags flags, 56 CompilationInfo* info); 57 58 // Print the code after compiling it. 59 static void PrintCode(Handle<Code> code, CompilationInfo* info); 60 61 #ifdef ENABLE_LOGGING_AND_PROFILING 62 static bool ShouldGenerateLog(Expression* type); 63 #endif 64 65 static void SetFunctionInfo(Handle<JSFunction> fun, 66 FunctionLiteral* lit, 67 bool is_toplevel, 68 Handle<Script> script); 69 70 static bool RecordPositions(MacroAssembler* masm, 71 int pos, 72 bool right_here = false); 73 74 // Constants related to patching of inlined load/store. 75 static int GetInlinedKeyedLoadInstructionsAfterPatch() { 76 return FLAG_debug_code ? 32 : 13; 77 } 78 static const int kInlinedKeyedStoreInstructionsAfterPatch = 8; 79 static int GetInlinedNamedStoreInstructionsAfterPatch() { 80 ASSERT(Isolate::Current()->inlined_write_barrier_size() != -1); 81 return Isolate::Current()->inlined_write_barrier_size() + 4; 82 } 83 84 private: 85 DISALLOW_COPY_AND_ASSIGN(CodeGenerator); 86 }; 87 88 89 } } // namespace v8::internal 90 91 #endif // V8_ARM_CODEGEN_ARM_H_ 92