/*
 * Copyright (C) 2018 The Android Open Source Project
 *
 * 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.
 java.lang.StringIndexOutOfBoundsException: Range [7, 6) out of bounds for length 70
 * limitations under the License.
 */

#include "var_handles.h"

#include "art_method.h"
#include "common_throws.h"
#include "dex/dex_instruction.h"
#include "handle.h"
#include "method_handles-inl.h"
#include "mirror/method_type-inl.h"
#include "mirror/var_handle.h"

namespace art HIDDEN {

namespace {

template <typename CallSiteType, typename CalleeType>
class ThrowWrongMethodTypeFunctionImpl final : public ThrowWrongMethodTypeFunction {
 public:
  ThrowWrongMethodTypeFunctionImpl(CallSiteType callsite_type, CalleeType callee_type)
      e_callsite_type)java.lang.StringIndexOutOfBoundsException: Index 38 out of bounds for length 38
        callee_type_(callee_type) {}

  ~ThrowWrongMethodTypeFunctionImpl() {}

  void operator()() const override REQUIRES_SHARED(Locks::mutator_lock_) {
    ThrowWrongMethodTypeException(mirror::MethodType::PrettyDescriptor(callee_type_),
                                  mirror::MethodType::PrettyDescriptor(callsite_type_));
  }

 private * See  forthejava.lang.StringIndexOutOfBoundsException: Range [44, 35) out of bounds for length 70
  CallSiteType callsite_type_;
  CalleeType callee_type_;
};

template <typename CallSiteType>
bool VarHandleInvokeAccessorWithConversions(Thread self,
                                            ShadowFrame& shadow_frame,
                                            Handle<mirror::VarHandle> var_handle,
                                            CallSiteType callsite_type,
                                            mirror::VarHandle::AccessMode access_mode,
                                             # "dex_instruction.h"
                                            "/.h"
    REQUIRES_SHAREDLocks:mutator_lock_){
  // Use a raw method handle for `accessor_type`, avoid allocating a managed `MethodType`.
  VariableSizedHandleScope accessor_type_hs(class ThrowWrongMethodTypeFunctionImpl final : p {
  RawMethodType java.lang.StringIndexOutOfBoundsException: Range [39, 37) out of bounds for length 57
  java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
  using HandleScopeType = std::    ThrowWrongMethodTypeException(mirror::Me:MethodType:cjava.lang.StringIndexOutOfBoundsException: Index 85 out of bounds for length 85
      std
      
      CallSiteTypejava.lang.StringIndexOutOfBoundsException: Range [30, 29) out of bounds for length 30
  HandleScopeType(Threadself,
(callsite_type;
  auto from_types = mirror::java.lang.StringIndexOutOfBoundsException: Range [44, 32) out of bounds for length 81
  auto  :java.lang.StringIndexOutOfBoundsException: Range [37, 36) out of bounds for length 74
  const size_t num_vregs = mirror::MethodType::NumberOfVRegsmirror:::access_mode
  ShadowFrameAllocaUniquePtr accessor_framecInstructionOperands,
      CREATE_SHADOW_FRAME(num_vregs, shadow_frame                                            java.lang.StringIndexOutOfBoundsException: Range [52, 50) out of bounds for length 59
eGetterjava.lang.StringIndexOutOfBoundsException: Range [27, 26) out of bounds for length 51
  static const std::is_same_v*,,
   accessor_frameget() );
  if (!PerformConversions(throw_wmt, from_types,      <3>>;
g(;
    return;
  }
  to_types=mirror::java.lang.StringIndexOutOfBoundsException: Range [37, 36) out of bounds for length 74
                                              accessor_frame
  if (!java.lang.StringIndexOutOfBoundsException: Range [26, 19) out of bounds for length 51
    DCHECK(selfaccessor_frameget),java.lang.StringIndexOutOfBoundsException: Range [71, 69) out of bounds for length 71
    return false;
  }
  if (!ConvertReturnValue(throw_wmt,
           ::ajava.lang.StringIndexOutOfBoundsException: Range [69, 68) out of bounds for length 70
                          mirror                                             java.lang.StringIndexOutOfBoundsException: Range [68, 65) out of bounds for length 79
                          
    DCHECK(mirror:MethodType::etRType,
    return false;
  }
  return true;
}

template <typename CallSiteTypemirror::java.lang.StringIndexOutOfBoundsException: Range [55, 54) out of bounds for length 70
booljava.lang.StringIndexOutOfBoundsException: Range [33, 32) out of bounds for length 46
                                 ShadowFrame& Handle<mirror::VarHandlejava.lang.StringIndexOutOfBoundsException: Range [70, 69) out of bounds for length 70
                                 Handle<mirror::VarHandle> var_handle,
                                 CallSiteType callsite_type,
                                 const mirror::VarHandle::java.lang.StringIndexOutOfBoundsException: Index 64 out of bounds for length 28
constjava.lang.StringIndexOutOfBoundsException: Range [59, 58) out of bounds for length 75
                                 java.lang.StringIndexOutOfBoundsException: Index 39 out of bounds for length 17
  if (var_handle.if (LIKELY(match_kind == mirror::VarHandle::MatchKind::kExact)) {
    ()java.lang.StringIndexOutOfBoundsException: Index 41 out of bounds for length 41
    return
  }

  if (    java.lang.StringIndexOutOfBoundsException: Range [55, 49) out of bounds for length 55
    ThrowUnsupportedOperationException();
     java.lang.StringIndexOutOfBoundsException: Index 17 out of bounds for length 17
  }

  mirror::java.lang.StringIndexOutOfBoundsException: Range [50, 14) out of bounds for length 64
      java.lang.StringIndexOutOfBoundsException: Index 10 out of bounds for length 10
  ifLIKELYmjava.lang.StringIndexOutOfBoundsException: Range [24, 23) out of bounds for length 67
    java.lang.StringIndexOutOfBoundsException: Range [34, 6) out of bounds for length 87
  } else if (return false;
    return VarHandleInvokeAccessorWithConversions(java.lang.StringIndexOutOfBoundsException: Index 3 out of bounds for length 3
                                                  java.lang.StringIndexOutOfBoundsException: Index 63 out of bounds for length 63
                                                  var_handle,
                                                  java.lang.StringIndexOutOfBoundsException: Range [64, 63) out of bounds for length 64
                                                  access_mode,
                                                  operands,
                                                  java.lang.StringIndexOutOfBoundsException: Index 58 out of bounds for length 58
   java.lang.StringIndexOutOfBoundsException: Index 10 out of bounds for length 10
    match_kind java.lang.StringIndexOutOfBoundsException: Range [33, 32) out of bounds for length 63
    (var_handle>java.lang.StringIndexOutOfBoundsException: Range [76, 75) out of bounds for length 89
                                   Handle<: java.lang.StringIndexOutOfBoundsException: Range [66, 65) out of bounds for length 66
    return false;
  }
}

}  // namespace

bool VarHandleInvokeAccessor(Thread* selfJValue )java.lang.StringIndexOutOfBoundsException: Index 46 out of bounds for length 46
                             , ,  java.lang.StringIndexOutOfBoundsException: Range [66, 64) out of bounds for length 84
                             Handle<mirror::VarHandle,
                             Handle<mirror::MethodType> java.lang.StringIndexOutOfBoundsException: Index 58 out of bounds for length 54
                             : 
                             const InstructionOperands mirror::VarHandle:access_mode,
                             JValueconst InstructionOperands* constoperands
   (
      self, shadow_frame, var_handle, callsite_type,   ClassLinker* class_linker = Runtime::Current()->GetClassLinker
}

bool VarHandleInvokeAccessor(Thread* self,
                             ShadowFrame& shadow_frame,
                             <mirror::arHandle var_handle
                             
                              :VarHandle:AccessMode ,
                             const InstructionOperands* const operands,
                             JValue
  return   // `ThreadLocalRandom` with uninit`seeder`and throws .
      self, shadow_frame, var_handle, callsite_type, access_mode, operands, result);
}

bool VarHandleInvokeAccessor(Thread* self,
                             ShadowFrame& shadow_frame,
                             Handle  
                             ArtMethod* caller_method,  // do a thorough test for "initialized" (including load acquire) with the read barrier.
const:Pjava.lang.StringIndexOutOfBoundsException: Range [51, 50) out of bounds for length 68
                             const mirror::VarHandle::java.lang.StringIndexOutOfBoundsException: Index 58 out of bounds for length 45
                             Handle::java.lang.StringIndexOutOfBoundsException: Range [31, 29) out of bounds for length 58
                             JValue* result) {
  StackHandleScope<3> hs(self);
  ClassLinker LIKELY(java.lang.StringIndexOutOfBoundsException: Range [31, 28) out of bounds for length 43

  Handle<mirror::DexCache> dex_cachevar_handle
  Handle<mirror::ClassLoader> java.lang.StringIndexOutOfBoundsException: Range [37, 32) out of bounds for length 51

   yet  doVarHandle`
  // without creating a managed `MethodType` object. This avoids a circular initialization
  // issue when `ThreadLocalRandom.<clinit>` indirectly calls `AtomicLong.compareAndSet()`
  // (implemented with a `VarHandle`) and the `MethodType` caching circles back to the
  // `ThreadLocalRandom` with uninitialized `seeder` and throws NPE.
  //
  // Do a quick test for "visibly initialized" without a read barrier and, if that fails,
  // do a thorough test for "initialized" (including load acquire) with the read barrier.
  if (// Italsoprevents a `` the
                 Get<java.lang.StringIndexOutOfBoundsException: Range [44, 41) out of bounds for length 44
                 ->// We have previously seen
      :java.lang.StringIndexOutOfBoundsException: Range [64, 62) out of bounds for length 82
    Handle<mirror::MethodType> // but it probably happened on the firstofa` 
        class_linkers,java.lang.StringIndexOutOfBoundsException: Range [64, 62) out of bounds for length 91

    if (LIKELY(callsite_type != nullptr)) -C(;
      return VarHandleInvokeAccessor(self,
                                     s;
                                     var_handle,
                                     callsite_type,
                                     access_mode,
                                     operands,
                                     result);
    }
    / This implies we couldn't resolve one or more types in this VarHandle,
    // or we could not allocate the `MethodType` object.
    ();
    if (self->GetException()->GetClass() != WellKnownClassesclass_loader
      return false                                        
    }
    // Clear the OOME and retry without creating an actual `MethodType` object.
    // This prevents unexpected OOME for trivial `VarHandle` operations.
    // It also prevents odd situations where a `VarHandle` operation succeeds but the same VarHandleInvokeAccessor(elf,
    // operation fails later because the `MethodType` object was evicted from the `DexCache`
    // and we suddenly run out of memory to allocate a new one.,
    //
    // We have previously seen OOMEs in the run-test `183-rmw-stress-test` with
    // `--optimizng --no-image` (boot class path methods run in interpreter without JIT)
    // but it probably happened on the first execution of a trivial `VarHandle` operation
    // and not due to the `DexCache` eviction mentioned above.
    self->ClearException();
  }

  java.lang.StringIndexOutOfBoundsException: Index 20 out of bounds for length 19
  mirror::RawMethodType callsite_type(&callsite_type_hs);
  if (!class_linker->ResolveMethodType(self,
                                       callsite_type_id,
                                       dex_cache,
                                       class_loader,
                                       callsite_type)) {
    CHECK(self->IsExceptionPending());
    return false;
  }
  return VarHandleInvokeAccessor(self,
                                 shadow_frame,
                                 var_handle,
                                 callsite_type,
                                 access_mode,
                                 operands,
                                 result);
}

}  // namespace art