js/src/jit/CacheIRCloner.h

   1 /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*-
   2  * vim: set ts=8 sts=2 et sw=2 tw=80:
   3  * This Source Code Form is subject to the terms of the Mozilla Public
   4  * License, v. 2.0. If a copy of the MPL was not distributed with this
   5  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
   6
   7 #ifndef jit_CacheIRCloner_h
   8 #define jit_CacheIRCloner_h
   9
  10 #include "mozilla/Attributes.h"
  11
  12 #include <stdint.h>
  13
  14 #include "NamespaceImports.h"
  15
  16 #include "jit/CacheIR.h"
  17 #include "jit/CacheIROpsGenerated.h"
  18 #include "jit/CacheIRReader.h"
  19 #include "jit/CacheIRWriter.h"
  20 #include "js/Id.h"
  21 #include "js/Value.h"
  22
  23 class JSAtom;
  24 class JSObject;
  25 class JSString;
  26
  27 namespace JS {
  28 class Symbol;
  29 }
  30
  31 namespace js {
  32
  33 class BaseScript;
  34 class GetterSetter;
  35 class Shape;
  36
  37 namespace gc {
  38 class AllocSite;
  39 }
  40
  41 namespace jit {
  42
  43 class CacheIRStubInfo;
  44 class ICCacheIRStub;
  45 class JitCode;
  46
  47 class MOZ_RAII CacheIRCloner {
  48  public:
  49   explicit CacheIRCloner(ICCacheIRStub* stubInfo);
  50
  51   void cloneOp(CacheOp op, CacheIRReader& reader, CacheIRWriter& writer);
  52
  53   CACHE_IR_CLONE_GENERATED
  54
  55  private:
  56   const CacheIRStubInfo* stubInfo_;
  57   const uint8_t* stubData_;
  58
  59   uintptr_t readStubWord(uint32_t offset);
  60   int64_t readStubInt64(uint32_t offset);
  61
  62   Shape* getShapeField(uint32_t stubOffset);
  63   Shape* getWeakShapeField(uint32_t stubOffset);
  64   GetterSetter* getWeakGetterSetterField(uint32_t stubOffset);
  65   JSObject* getObjectField(uint32_t stubOffset);
  66   JSObject* getWeakObjectField(uint32_t stubOffset);
  67   JSString* getStringField(uint32_t stubOffset);
  68   JSAtom* getAtomField(uint32_t stubOffset);
  69   JS::Symbol* getSymbolField(uint32_t stubOffset);
  70   BaseScript* getWeakBaseScriptField(uint32_t stubOffset);
  71   JitCode* getJitCodeField(uint32_t stubOffset);
  72   uint32_t getRawInt32Field(uint32_t stubOffset);
  73   const void* getRawPointerField(uint32_t stubOffset);
  74   jsid getIdField(uint32_t stubOffset);
  75   const Value getValueField(uint32_t stubOffset);
  76   uint64_t getRawInt64Field(uint32_t stubOffset);
  77   double getDoubleField(uint32_t stubOffset);
  78   gc::AllocSite* getAllocSiteField(uint32_t stubOffset);
  79 };
  80
  81 }  // namespace jit
  82 }  // namespace js
  83
  84 #endif /* jit_CacheIRCloner_h */