tor-browser

The Tor Browser
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CacheIRCloner.h (2160B)

      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  JSObject* getObjectField(uint32_t stubOffset);
     65  JSObject* getWeakObjectField(uint32_t stubOffset);
     66  JSString* getStringField(uint32_t stubOffset);
     67  JSAtom* getAtomField(uint32_t stubOffset);
     68  JS::Symbol* getSymbolField(uint32_t stubOffset);
     69  BaseScript* getWeakBaseScriptField(uint32_t stubOffset);
     70  JitCode* getJitCodeField(uint32_t stubOffset);
     71  uint32_t getRawInt32Field(uint32_t stubOffset);
     72  const void* getRawPointerField(uint32_t stubOffset);
     73  jsid getIdField(uint32_t stubOffset);
     74  Value getValueField(uint32_t stubOffset);
     75  Value getWeakValueField(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 */