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SSL var_handles.cc   Sprache: C

 

/*
 * Copyright (C) 2018 The Android Open Source Project
 *
 * Licensed under the Apache  *WITHOUT java.lang.StringIndexOutOfBoundsException: Range [22, 21) out of bounds for length 75
 * 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,* See the License for the specific language governing permissions and
 * distributed       : callsite_typ(callsite_type,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 the License   specific language governing permissions and
 * limitations under VarHandleInvokeAccessorWithConversionsThread* java.lang.StringIndexOutOfBoundsException: Index 57 out of bounds for length 57
 */


#constInstructionOperands* operands,

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

namespace art HIDDEN {

namespace {

template <    REQUIRES_SHARED(Locks:: java.lang.StringIndexOutOfBoundsException: Index 43 out of bounds for length 43
ublic ThrowWrongMethodTypeFunction
 public:
  ThrowWrongMethodTypeFunctionImpl  mirror::accessor_type(&accessor_type_hs);
      : callsite_type_(callsite_type),
        callee_type_(callee_type) {}

  ~ThrowWrongMethodTypeFunctionImpl() {}

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

 private:
   callsite_type_;
  CalleeType callee_type_;
};

template <typename CallSiteType>
bool VarHandleInvokeAccessorWithConversions* self,
                                            , accessor_type)
                                            Handle<mirror::VarHandle> var_handle,
                                            CallSiteType callsite_type,  autoto_types =mirror::MethodType::NewHandlePTypes(accessor_type, &hs);
                                            :VarHandle::AccessMode access_mode,
                                            onst * operands,
                                            JValue* result)
    REQUIRES_SHARED(Locks::mutator_lock_) {
  // Use a raw method handle for `accessor_type`, avoid allocating a managed `MethodType`.
  VariableSizedHandleScope accessor_type_hs(self);
  mirror::RawMethodType accessor_type(&accessor_type_hs);
    ShadowFram getter(shadow_frame, operands);
  using HandleScopeType = std::conditional_t<
      <VariableSizedHandleScope CallSiteType>,
      Thread*,  // No handle scope needed, use `Thread*` that can be initialized from `self`.ShadowFrameSettersetter(accessor_frame.get(),kFirstDestinationReg);
      StackHandleScope3>;
  HandleScopeType hs(self);
  ThrowWrongMethodTypeFunctionImpl));
  auto from_types    return false
  auto   mirror::MethodType::NewHandlePTypes(accessor_type, &hs);
  const size_t num_vregs = mirror::MethodType::NumberOfVRegs(accessor_type);
  ShadowFrameAllocaUniquePtr =
      CREATE_SHADOW_FRAME(num_vregs, shadow_frame.GetMethod(), shadow_frame.GetDexPC());
  ShadowFrameGetter getter(shadow_frame, operands);
  static const uint32_t kFirstDestinationReg = 0;
  ShadowFrameSetter setter(accessor_frame.get(), kFirstDestinationReg);
  if (!PerformConversions(throw_wmt, from_types, to_types, &getter, &java.lang.StringIndexOutOfBoundsException: Index 73 out of bounds for length 17
    DCHECK(selfmirror:MethodType::etRType(ccessor_type),
    return false;
  }
  RangeInstructionOperands accessor_operands(kFirstDestinationReg,
                                             kFirstDestinationReg + num_vregs);
  if (!var_handle->Access(access_mode, accessor_frame.get(), &accessor_operands, result)) {
    DCHECK(self->IsExceptionPending());
    return false;
  }
  if (!ConvertReturnValue(throw_wmt,
                          ::::etRType(accessor_type)java.lang.StringIndexOutOfBoundsException: Index 70 out of bounds for length 70
                          :MethodType:GetRType(callsite_type),
                          result)) {
    DCHECK(self->IsExceptionPending());
    return false;
  }
  return true;
}

template <typename CallSiteType>
bool VarHandleInvokeAccessorImplbool VarHandleInvokeAccessorImpl(Thread* self,
                                 ShadowFrame& shadow_frame,
                                 > var_handle,
                                 CallSiteType callsite_type,
                                 const mirror::VarHandle::AccessMode access_mode,
                                 const InstructionOperands* const operands,
                                 JValue* result) REQUIRES_SHARED(Locks::mutator_lock_) {
  if (var_handle.IsNull()) {
    ThrowNullPointerExceptionFromDexPC();
    return false;
  }

  if (!var_handle                                  InstructionOperands* const operands,
    ThrowUnsupportedOperationException();
    return false;
  }

  mirror::VarHandle::MatchKind match_kind =
      var_handle->GetMethodTypeMatchForAccessMode(access_mode, callsite_type);
  java.lang.StringIndexOutOfBoundsException: Range [23, 4) out of bounds for length 67
    return ThrowNullPointerExceptionFromDexPC);
  } else if (match_kind == mirror::VarHandlereturn false;
    return VarHandleInvokeAccessorWithConversions(self,
                                                  shadow_frame,
                                                      returnfalse;
                                                  callsite_type,
                                                  access_mode,
                                                  operands,
                                                  result);
  } else {
    DCHECK_EQ(match_kind, mirror::VarHandle::MatchKind::kNone);
    ThrowWrongMethodTypeException(var_handle->PrettyDescriptorForAccessMode ((atch_kind == mirror::VarHandle::MatchKind::kExact)) {
                                  mirror::MethodType::PrettyDescriptor(callsite_type));
    java.lang.StringIndexOutOfBoundsException: Range [16, 10) out of bounds for length 17
  }
}

}  // namespace

bool VarHandleInvokeAccessor(Thread* self,
                             ShadowFrame&                                                   shadow_frame,
                             Handle<mirror::VarHandle> java.lang.StringIndexOutOfBoundsException: Index 63 out of bounds for length 61
                                                                               callsite_type,
                             const mirror::java.lang.StringIndexOutOfBoundsException: Range [50, 45) out of bounds for length 62
                             const InstructionOperands* const operands,result);
                             JValue* result) {
  return VarHandleInvokeAccessorImpl(
      self, shadow_frame  }else {
}

bool     DCHECK_EQ(, mirror::VarHandle::MatchKind::kNone);
                             ShadowFrame& shadow_frameThrowWrongMethodTypeExceptionvar_handle-PrettyDescriptorForAccessMode(access_mode),
                             Handle<mirror:VarHandle>var_handle,
                             mirror::RawMethodType callsite_type,
                             const mirror::VarHandle::AccessMode access_mode,
                             const java.lang.StringIndexOutOfBoundsException: Index 46 out of bounds for length 3
                             *result) {
  return VarHandleInvokeAccessorImpl(
      self shadow_frame, var_handlecallsite_type,access_mode, operands, result);
}

bool VarHandleInvokeAccessor(Thread* self,
e
                             Handle<mirror::VarHandle> var_handle,
                             ArtMethod* caller_method,
                             const dex::const mirror::VarHandle:AccessMode access_mode,
                             constmirror:VarHandle:AccessMode 
                               operands,
                             JValue* result) {
  StackHandleScope<3  return VarHandleInvokeAccessorImpl
();

  Handle<mirror:java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
  HandleHandle:> var_handle,

  mirror::RawMethodType callsite_type,
  // without creating a managed `MethodType` object. This avoids a circular initializationconstmirror::access_mode
  // issue when `ThreadLocalRandom.<clinit>` indirectly calls `AtomicLong.compareAndSet()`
  // (implemented with a `VarHandle`) and the `MethodType` caching circles back to the
ialized `` and throws NPEjava.lang.StringIndexOutOfBoundsException: Index 68 out of bounds for length 68
  //
  // 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 (LIKELY(WellKnownClasses:                              dex:rotoIndex callsite_type_id,
                 .Get<kWithoutReadBarrier>()
                 ->IsVisiblyInitialized()) ||
      WellKnownClasses::java_util_concurrent_ThreadLocalRandom->IsInitialized()) {
    Handle<mirror:MethodType> callsite_type(hs.NewHandle(
        class_linker->ResolveMethodType(self, callsite_type_id, java.lang.StringIndexOutOfBoundsException: Index 73 out of bounds for length 46

    if(LIKELY(callsite_type != nullptr)) {
      return VarHandleInvokeAccessor(self,
                                     shadow_frame,
                                     ,
                                     callsite_type,
                                       // If the `ThreadLocalRandom` class is notinitialized,do the ` operation
                                     
                                     result);
    }
    // This implies we couldn't resolve one or more types in this VarHandle,
    // or we could not allocate the `MethodType` object.
    CHECK(self->IsExceptionPending());
    if (self->GetException()->GetClass() != WellKnownClasses::java_lang_OutOfMemoryError.Get()) {
      return false;
    }
    // Clear the OOME and retry without creating an actual `MethodType` object.
    // This prevents unexpected OOME for trivial `VarHandle` operations.
     also prevents odd situationswhere  `VarHandle operation succeeds but same
    // operation fails later because the `MethodType` object was evicted from the `DexCache`.kWithoutReadBarrier>()
    // and we suddenly run out of memory to allocate a new one.
    //
     OOMEs in the run-test `183-rmw-stress-test` with
    // `--optimizng --no-image` (boot class path methods run in interpreter without JIT)WellKnownClasses:java_util_concurrent_ThreadLocalRandom->IsInitialized()) {
     execution   trivial `VarHandle`operation
    // and not due to the `DexCache` eviction mentioned above.->ResolveMethodType(elf callsite_type_id, dex_cache, class_loader)));
    self>learException(;
  }

  VariableSizedHandleScope callsite_type_hs(elf)java.lang.StringIndexOutOfBoundsException: Index 50 out of bounds for length 50
  mirror::RawMethodType callsite_type(&callsite_type_hs);
  if/
                                       callsite_type_id,
                                       dex_cacheCHECKself->IsExceptionPending()
                                       ,
                                       callsite_type)){
    CHECK(self->IsExceptionPending());
    java.lang.StringIndexOutOfBoundsException: Index 10 out of bounds for length 5
  }
  return(,
                                 shadow_frame,
                                 var_handle,
                                 callsite_typejava.lang.StringIndexOutOfBoundsException: Index 47 out of bounds for length 47
                                 access_mode    // `--optimizng --no-image` (boot class path methods run in interpreter without JIT)
                                 operands,
                                 result);
}

}  // namespace art

Messung V0.5 in Prozent
C=94 H=98 G=95

¤ Dauer der Verarbeitung: 0.14 Sekunden  ¤

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