Merge "Add per array size allocation entrypoints."
diff --git a/cmdline/cmdline_types.h b/cmdline/cmdline_types.h
index 28c009e..f1123eb 100644
--- a/cmdline/cmdline_types.h
+++ b/cmdline/cmdline_types.h
@@ -766,10 +766,6 @@
   Result ParseAndAppend(const std::string& option, ExperimentalFlags& existing) {
     if (option == "none") {
       existing = ExperimentalFlags::kNone;
-    } else if (option == "agents") {
-      existing = existing | ExperimentalFlags::kAgents;
-    } else if (option == "runtime-plugins") {
-      existing = existing | ExperimentalFlags::kRuntimePlugins;
     } else {
       return Result::Failure(std::string("Unknown option '") + option + "'");
     }
diff --git a/compiler/driver/compiler_driver.cc b/compiler/driver/compiler_driver.cc
index b00d083..1d4eaf8 100644
--- a/compiler/driver/compiler_driver.cc
+++ b/compiler/driver/compiler_driver.cc
@@ -529,9 +529,15 @@
   // We store the verification information in the class status in the oat file, which the linker
   // can validate (checksums) and use to skip load-time verification. It is thus safe to
   // optimize when a class has been fully verified before.
+  optimizer::DexToDexCompilationLevel max_level = optimizer::DexToDexCompilationLevel::kOptimize;
+  if (driver.GetCompilerOptions().GetDebuggable()) {
+    // We are debuggable so definitions of classes might be changed. We don't want to do any
+    // optimizations that could break that.
+    max_level = optimizer::DexToDexCompilationLevel::kRequired;
+  }
   if (klass->IsVerified()) {
     // Class is verified so we can enable DEX-to-DEX compilation for performance.
-    return optimizer::DexToDexCompilationLevel::kOptimize;
+    return max_level;
   } else if (klass->IsCompileTimeVerified()) {
     // Class verification has soft-failed. Anyway, ensure at least correctness.
     DCHECK_EQ(klass->GetStatus(), mirror::Class::kStatusRetryVerificationAtRuntime);
@@ -940,6 +946,31 @@
   DCHECK(single_thread_pool_ != nullptr);
 }
 
+static void EnsureVerifiedOrVerifyAtRuntime(jobject jclass_loader,
+                                            const std::vector<const DexFile*>& dex_files) {
+  ScopedObjectAccess soa(Thread::Current());
+  StackHandleScope<2> hs(soa.Self());
+  Handle<mirror::ClassLoader> class_loader(
+      hs.NewHandle(soa.Decode<mirror::ClassLoader>(jclass_loader)));
+  MutableHandle<mirror::Class> cls(hs.NewHandle<mirror::Class>(nullptr));
+  ClassLinker* class_linker = Runtime::Current()->GetClassLinker();
+
+  for (const DexFile* dex_file : dex_files) {
+    for (uint32_t i = 0; i < dex_file->NumClassDefs(); ++i) {
+      const DexFile::ClassDef& class_def = dex_file->GetClassDef(i);
+      const char* descriptor = dex_file->GetClassDescriptor(class_def);
+      cls.Assign(class_linker->FindClass(soa.Self(), descriptor, class_loader));
+      if (cls.Get() == nullptr) {
+        soa.Self()->ClearException();
+      } else if (&cls->GetDexFile() == dex_file) {
+        DCHECK(cls->IsErroneous() || cls->IsVerified() || cls->IsCompileTimeVerified())
+            << cls->PrettyClass()
+            << " " << cls->GetStatus();
+      }
+    }
+  }
+}
+
 void CompilerDriver::PreCompile(jobject class_loader,
                                 const std::vector<const DexFile*>& dex_files,
                                 TimingLogger* timings) {
@@ -984,6 +1015,9 @@
   }
 
   if (compiler_options_->IsAnyMethodCompilationEnabled()) {
+    if (kIsDebugBuild) {
+      EnsureVerifiedOrVerifyAtRuntime(class_loader, dex_files);
+    }
     InitializeClasses(class_loader, dex_files, timings);
     VLOG(compiler) << "InitializeClasses: " << GetMemoryUsageString(false);
   }
@@ -1034,23 +1068,6 @@
   return result;
 }
 
-bool CompilerDriver::ShouldVerifyClassBasedOnProfile(const DexFile& dex_file,
-                                                     uint16_t class_idx) const {
-  if (!compiler_options_->VerifyOnlyProfile()) {
-    // No profile, verify everything.
-    return true;
-  }
-  DCHECK(profile_compilation_info_ != nullptr);
-  const DexFile::ClassDef& class_def = dex_file.GetClassDef(class_idx);
-  dex::TypeIndex type_idx = class_def.class_idx_;
-  bool result = profile_compilation_info_->ContainsClass(dex_file, type_idx);
-  if (kDebugProfileGuidedCompilation) {
-    LOG(INFO) << "[ProfileGuidedCompilation] " << (result ? "Verified" : "Skipped") << " method:"
-        << dex_file.GetClassDescriptor(class_def);
-  }
-  return result;
-}
-
 class ResolveCatchBlockExceptionsClassVisitor : public ClassVisitor {
  public:
   explicit ResolveCatchBlockExceptionsClassVisitor(
@@ -1949,6 +1966,31 @@
   DCHECK(!it.HasNext());
 }
 
+static void LoadAndUpdateStatus(const DexFile& dex_file,
+                                const DexFile::ClassDef& class_def,
+                                mirror::Class::Status status,
+                                Handle<mirror::ClassLoader> class_loader,
+                                Thread* self)
+    REQUIRES_SHARED(Locks::mutator_lock_) {
+  StackHandleScope<1> hs(self);
+  const char* descriptor = dex_file.GetClassDescriptor(class_def);
+  ClassLinker* class_linker = Runtime::Current()->GetClassLinker();
+  Handle<mirror::Class> cls(hs.NewHandle<mirror::Class>(
+      class_linker->FindClass(self, descriptor, class_loader)));
+  if (cls.Get() != nullptr) {
+    // Check that the class is resolved with the current dex file. We might get
+    // a boot image class, or a class in a different dex file for multidex, and
+    // we should not update the status in that case.
+    if (&cls->GetDexFile() == &dex_file) {
+      ObjectLock<mirror::Class> lock(self, cls);
+      mirror::Class::SetStatus(cls, status, self);
+    }
+  } else {
+    DCHECK(self->IsExceptionPending());
+    self->ClearException();
+  }
+}
+
 bool CompilerDriver::FastVerify(jobject jclass_loader,
                                 const std::vector<const DexFile*>& dex_files,
                                 TimingLogger* timings) {
@@ -1963,12 +2005,12 @@
   StackHandleScope<2> hs(soa.Self());
   Handle<mirror::ClassLoader> class_loader(
       hs.NewHandle(soa.Decode<mirror::ClassLoader>(jclass_loader)));
-  MutableHandle<mirror::Class> cls(hs.NewHandle<mirror::Class>(nullptr));
-  ClassLinker* class_linker = Runtime::Current()->GetClassLinker();
   if (!verifier_deps->ValidateDependencies(class_loader, soa.Self())) {
     return false;
   }
 
+  bool compiler_only_verifies = !GetCompilerOptions().IsAnyMethodCompilationEnabled();
+
   // We successfully validated the dependencies, now update class status
   // of verified classes. Note that the dependencies also record which classes
   // could not be fully verified; we could try again, but that would hurt verification
@@ -1983,28 +2025,16 @@
     for (uint32_t i = 0; i < dex_file->NumClassDefs(); ++i) {
       const DexFile::ClassDef& class_def = dex_file->GetClassDef(i);
       if (set.find(class_def.class_idx_) == set.end()) {
-        if (!GetCompilerOptions().IsAnyMethodCompilationEnabled()) {
+        if (compiler_only_verifies) {
           // Just update the compiled_classes_ map. The compiler doesn't need to resolve
           // the type.
           compiled_classes_.Overwrite(
               ClassReference(dex_file, i), new CompiledClass(mirror::Class::kStatusVerified));
         } else {
-          // Resolve the type, so later compilation stages know they don't need to verify
+          // Update the class status, so later compilation stages know they don't need to verify
           // the class.
-          const char* descriptor = dex_file->GetClassDescriptor(class_def);
-          cls.Assign(class_linker->FindClass(soa.Self(), descriptor, class_loader));
-          if (cls.Get() != nullptr) {
-            // Check that the class is resolved with the current dex file. We might get
-            // a boot image class, or a class in a different dex file for multidex, and
-            // we should not update the status in that case.
-            if (&cls->GetDexFile() == dex_file) {
-              ObjectLock<mirror::Class> lock(soa.Self(), cls);
-              mirror::Class::SetStatus(cls, mirror::Class::kStatusVerified, soa.Self());
-            }
-          } else {
-            DCHECK(soa.Self()->IsExceptionPending());
-            soa.Self()->ClearException();
-          }
+          LoadAndUpdateStatus(
+              *dex_file, class_def, mirror::Class::kStatusVerified, class_loader, soa.Self());
           // Create `VerifiedMethod`s for each methods, the compiler expects one for
           // quickening or compiling.
           // Note that this means:
@@ -2013,6 +2043,14 @@
           // TODO(ngeoffray): Reconsider this once we refactor compiler filters.
           PopulateVerifiedMethods(*dex_file, i, verification_results_);
         }
+      } else if (!compiler_only_verifies) {
+        // Make sure later compilation stages know they should not try to verify
+        // this class again.
+        LoadAndUpdateStatus(*dex_file,
+                            class_def,
+                            mirror::Class::kStatusRetryVerificationAtRuntime,
+                            class_loader,
+                            soa.Self());
       }
     }
   }
@@ -2077,13 +2115,6 @@
     ATRACE_CALL();
     ScopedObjectAccess soa(Thread::Current());
     const DexFile& dex_file = *manager_->GetDexFile();
-    if (!manager_->GetCompiler()->ShouldVerifyClassBasedOnProfile(dex_file, class_def_index)) {
-      // Skip verification since the class is not in the profile, and let the VerifierDeps know
-      // that the class will need to be verified at runtime.
-      verifier::VerifierDeps::MaybeRecordVerificationStatus(
-          dex_file, dex::TypeIndex(class_def_index), verifier::MethodVerifier::kSoftFailure);
-      return;
-    }
     const DexFile::ClassDef& class_def = dex_file.GetClassDef(class_def_index);
     const char* descriptor = dex_file.GetClassDescriptor(class_def);
     ClassLinker* class_linker = manager_->GetClassLinker();
diff --git a/compiler/optimizing/code_generator_arm64.h b/compiler/optimizing/code_generator_arm64.h
index 7d3c655..f6cb90a 100644
--- a/compiler/optimizing/code_generator_arm64.h
+++ b/compiler/optimizing/code_generator_arm64.h
@@ -210,12 +210,11 @@
   Location GetReturnLocation(Primitive::Type type ATTRIBUTE_UNUSED) const OVERRIDE {
     return helpers::LocationFrom(vixl::aarch64::x0);
   }
-  Location GetSetValueLocation(Primitive::Type type, bool is_instance) const OVERRIDE {
-    return Primitive::Is64BitType(type)
+  Location GetSetValueLocation(Primitive::Type type ATTRIBUTE_UNUSED,
+                               bool is_instance) const OVERRIDE {
+    return is_instance
         ? helpers::LocationFrom(vixl::aarch64::x2)
-        : (is_instance
-            ? helpers::LocationFrom(vixl::aarch64::x2)
-            : helpers::LocationFrom(vixl::aarch64::x1));
+        : helpers::LocationFrom(vixl::aarch64::x1);
   }
   Location GetFpuLocation(Primitive::Type type ATTRIBUTE_UNUSED) const OVERRIDE {
     return helpers::LocationFrom(vixl::aarch64::d0);
diff --git a/compiler/optimizing/code_generator_arm_vixl.cc b/compiler/optimizing/code_generator_arm_vixl.cc
index ffaf18f..893e465 100644
--- a/compiler/optimizing/code_generator_arm_vixl.cc
+++ b/compiler/optimizing/code_generator_arm_vixl.cc
@@ -3998,8 +3998,8 @@
       new (GetGraph()->GetArena()) LocationSummary(instruction, LocationSummary::kCallOnMainOnly);
   InvokeRuntimeCallingConventionARMVIXL calling_convention;
   locations->SetOut(LocationFrom(r0));
-  locations->SetInAt(0, LocationFrom(calling_convention.GetRegisterAt(1)));
-  locations->SetInAt(1, LocationFrom(calling_convention.GetRegisterAt(2)));
+  locations->SetInAt(0, LocationFrom(calling_convention.GetRegisterAt(0)));
+  locations->SetInAt(1, LocationFrom(calling_convention.GetRegisterAt(1)));
 }
 
 void InstructionCodeGeneratorARMVIXL::VisitNewArray(HNewArray* instruction) {
diff --git a/compiler/optimizing/code_generator_x86.h b/compiler/optimizing/code_generator_x86.h
index 7350fcc..5360dc9 100644
--- a/compiler/optimizing/code_generator_x86.h
+++ b/compiler/optimizing/code_generator_x86.h
@@ -110,7 +110,9 @@
   }
   Location GetSetValueLocation(Primitive::Type type, bool is_instance) const OVERRIDE {
     return Primitive::Is64BitType(type)
-        ? Location::RegisterPairLocation(EDX, EBX)
+        ? (is_instance
+            ? Location::RegisterPairLocation(EDX, EBX)
+            : Location::RegisterPairLocation(ECX, EDX))
         : (is_instance
             ? Location::RegisterLocation(EDX)
             : Location::RegisterLocation(ECX));
diff --git a/compiler/optimizing/code_generator_x86_64.h b/compiler/optimizing/code_generator_x86_64.h
index 3438b81..3a83731 100644
--- a/compiler/optimizing/code_generator_x86_64.h
+++ b/compiler/optimizing/code_generator_x86_64.h
@@ -92,12 +92,11 @@
   Location GetReturnLocation(Primitive::Type type ATTRIBUTE_UNUSED) const OVERRIDE {
     return Location::RegisterLocation(RAX);
   }
-  Location GetSetValueLocation(Primitive::Type type, bool is_instance) const OVERRIDE {
-    return Primitive::Is64BitType(type)
+  Location GetSetValueLocation(Primitive::Type type ATTRIBUTE_UNUSED, bool is_instance)
+      const OVERRIDE {
+    return is_instance
         ? Location::RegisterLocation(RDX)
-        : (is_instance
-            ? Location::RegisterLocation(RDX)
-            : Location::RegisterLocation(RSI));
+        : Location::RegisterLocation(RSI);
   }
   Location GetFpuLocation(Primitive::Type type ATTRIBUTE_UNUSED) const OVERRIDE {
     return Location::FpuRegisterLocation(XMM0);
diff --git a/runtime/arch/arm/instruction_set_features_arm.cc b/runtime/arch/arm/instruction_set_features_arm.cc
index 6c2c815..8384460 100644
--- a/runtime/arch/arm/instruction_set_features_arm.cc
+++ b/runtime/arch/arm/instruction_set_features_arm.cc
@@ -31,6 +31,7 @@
 
 #if defined(__arm__)
 extern "C" bool artCheckForArmSdivInstruction();
+extern "C" bool artCheckForArmv8AInstructions();
 #endif
 
 namespace art {
@@ -39,22 +40,34 @@
 
 ArmFeaturesUniquePtr ArmInstructionSetFeatures::FromVariant(
     const std::string& variant, std::string* error_msg) {
+  static const char* arm_variants_with_armv8a[] = {
+      "cortex-a32",
+      "cortex-a35",
+      "cortex-a53",
+      "cortex-a53.a57",
+      "cortex-a53.a72",
+      "cortex-a57",
+      "cortex-a72",
+      "cortex-a73",
+      "exynos-m1",
+      "denver",
+      "kryo"
+  };
+  bool has_armv8a = FindVariantInArray(arm_variants_with_armv8a,
+                                       arraysize(arm_variants_with_armv8a),
+                                       variant);
+
   // Look for variants that have divide support.
   static const char* arm_variants_with_div[] = {
       "cortex-a7",
       "cortex-a12",
       "cortex-a15",
       "cortex-a17",
-      "cortex-a53",
-      "cortex-a53.a57",
-      "cortex-a57",
-      "denver",
       "krait",
   };
-
-  bool has_div = FindVariantInArray(arm_variants_with_div,
-                                    arraysize(arm_variants_with_div),
-                                    variant);
+  bool has_div = has_armv8a || FindVariantInArray(arm_variants_with_div,
+                                                  arraysize(arm_variants_with_div),
+                                                  variant);
 
   // Look for variants that have LPAE support.
   static const char* arm_variants_with_lpae[] = {
@@ -62,17 +75,13 @@
       "cortex-a12",
       "cortex-a15",
       "cortex-a17",
-      "cortex-a53",
-      "cortex-a53.a57",
-      "cortex-a57",
-      "denver",
       "krait",
   };
-  bool has_lpae = FindVariantInArray(arm_variants_with_lpae,
-                                     arraysize(arm_variants_with_lpae),
-                                     variant);
+  bool has_atomic_ldrd_strd = has_armv8a || FindVariantInArray(arm_variants_with_lpae,
+                                                               arraysize(arm_variants_with_lpae),
+                                                               variant);
 
-  if (has_div == false && has_lpae == false) {
+  if (has_armv8a == false && has_div == false && has_atomic_ldrd_strd == false) {
     static const char* arm_variants_with_default_features[] = {
         "cortex-a5",
         "cortex-a8",
@@ -92,34 +101,48 @@
           << ") using conservative defaults";
     }
   }
-  return ArmFeaturesUniquePtr(new ArmInstructionSetFeatures(has_div, has_lpae));
+  return ArmFeaturesUniquePtr(new ArmInstructionSetFeatures(has_div,
+                                                            has_atomic_ldrd_strd,
+                                                            has_armv8a));
 }
 
 ArmFeaturesUniquePtr ArmInstructionSetFeatures::FromBitmap(uint32_t bitmap) {
   bool has_div = (bitmap & kDivBitfield) != 0;
   bool has_atomic_ldrd_strd = (bitmap & kAtomicLdrdStrdBitfield) != 0;
-  return ArmFeaturesUniquePtr(new ArmInstructionSetFeatures(has_div, has_atomic_ldrd_strd));
+  bool has_armv8a = (bitmap & kARMv8A) != 0;
+  return ArmFeaturesUniquePtr(new ArmInstructionSetFeatures(has_div,
+                                                            has_atomic_ldrd_strd,
+                                                            has_armv8a));
 }
 
 ArmFeaturesUniquePtr ArmInstructionSetFeatures::FromCppDefines() {
-#if defined(__ARM_ARCH_EXT_IDIV__)
+// Note: This will not work for now since we still build the 32-bit as __ARCH_ARM_7A__.
+#if defined(__ARM_ARCH_8A__)
+  const bool has_armv8a = true;
+#else
+  const bool has_armv8a = false;
+#endif
+#if defined (__ARM_ARCH_8A__) || defined(__ARM_ARCH_EXT_IDIV__)
   const bool has_div = true;
 #else
   const bool has_div = false;
 #endif
-#if defined(__ARM_FEATURE_LPAE)
-  const bool has_lpae = true;
+#if defined (__ARM_ARCH_8A__) || defined(__ARM_FEATURE_LPAE)
+  const bool has_atomic_ldrd_strd = true;
 #else
-  const bool has_lpae = false;
+  const bool has_atomic_ldrd_strd = false;
 #endif
-  return ArmFeaturesUniquePtr(new ArmInstructionSetFeatures(has_div, has_lpae));
+  return ArmFeaturesUniquePtr(new ArmInstructionSetFeatures(has_div,
+                                                            has_atomic_ldrd_strd,
+                                                            has_armv8a));
 }
 
 ArmFeaturesUniquePtr ArmInstructionSetFeatures::FromCpuInfo() {
   // Look in /proc/cpuinfo for features we need.  Only use this when we can guarantee that
   // the kernel puts the appropriate feature flags in here.  Sometimes it doesn't.
-  bool has_lpae = false;
+  bool has_atomic_ldrd_strd = false;
   bool has_div = false;
+  bool has_armv8a = false;
 
   std::ifstream in("/proc/cpuinfo");
   if (!in.fail()) {
@@ -137,21 +160,33 @@
             has_div = true;
           }
           if (line.find("lpae") != std::string::npos) {
-            has_lpae = true;
+            has_atomic_ldrd_strd = true;
           }
         }
+        if (line.find("architecture") != std::string::npos
+            && line.find(": 8") != std::string::npos) {
+          LOG(INFO) << "found architecture ARMv8";
+          // Android is only run on A cores, so ARMv8 implies ARMv8-A.
+          has_armv8a = true;
+          // ARMv8 CPUs have LPAE and div support.
+          has_div = true;
+          has_atomic_ldrd_strd = true;
+        }
       }
     }
     in.close();
   } else {
     LOG(ERROR) << "Failed to open /proc/cpuinfo";
   }
-  return ArmFeaturesUniquePtr(new ArmInstructionSetFeatures(has_div, has_lpae));
+  return ArmFeaturesUniquePtr(new ArmInstructionSetFeatures(has_div,
+                                                            has_atomic_ldrd_strd,
+                                                            has_armv8a));
 }
 
 ArmFeaturesUniquePtr ArmInstructionSetFeatures::FromHwcap() {
   bool has_div = false;
-  bool has_lpae = false;
+  bool has_atomic_ldrd_strd = false;
+  bool has_armv8a = false;
 
 #if defined(ART_TARGET_ANDROID) && defined(__arm__)
   uint64_t hwcaps = getauxval(AT_HWCAP);
@@ -163,18 +198,27 @@
     has_div = true;
   }
   if ((hwcaps & HWCAP_LPAE) != 0) {
-    has_lpae = true;
+    has_atomic_ldrd_strd = true;
+  }
+  // TODO: Fix this once FPMISC makes it upstream.
+  // For now we detect if we run on an ARMv8 CPU by looking for CRC32 and SHA1
+  // (only available on ARMv8 CPUs).
+  if ((hwcaps & HWCAP2_CRC32) != 0 && (hwcaps & HWCAP2_SHA1) != 0) {
+    has_armv8a = true;
   }
 #endif
 
-  return ArmFeaturesUniquePtr(new ArmInstructionSetFeatures(has_div, has_lpae));
+  return ArmFeaturesUniquePtr(new ArmInstructionSetFeatures(has_div,
+                                                            has_atomic_ldrd_strd,
+                                                            has_armv8a));
 }
 
 // A signal handler called by a fault for an illegal instruction.  We record the fact in r0
 // and then increment the PC in the signal context to return to the next instruction.  We know the
-// instruction is an sdiv (4 bytes long).
-static void bad_divide_inst_handle(int signo ATTRIBUTE_UNUSED, siginfo_t* si ATTRIBUTE_UNUSED,
-                                   void* data) {
+// instruction is 4 bytes long.
+static void bad_instr_handle(int signo ATTRIBUTE_UNUSED,
+                            siginfo_t* si ATTRIBUTE_UNUSED,
+                            void* data) {
 #if defined(__arm__)
   struct ucontext *uc = (struct ucontext *)data;
   struct sigcontext *sc = &uc->uc_mcontext;
@@ -190,15 +234,19 @@
   // instruction.  If we get a SIGILL then it's not supported.
   struct sigaction sa, osa;
   sa.sa_flags = SA_ONSTACK | SA_RESTART | SA_SIGINFO;
-  sa.sa_sigaction = bad_divide_inst_handle;
+  sa.sa_sigaction = bad_instr_handle;
   sigemptyset(&sa.sa_mask);
   sigaction(SIGILL, &sa, &osa);
 
   bool has_div = false;
+  bool has_armv8a = false;
 #if defined(__arm__)
   if (artCheckForArmSdivInstruction()) {
     has_div = true;
   }
+  if (artCheckForArmv8AInstructions()) {
+    has_armv8a = true;
+  }
 #endif
 
   // Restore the signal handler.
@@ -207,11 +255,13 @@
   // Use compile time features to "detect" LPAE support.
   // TODO: write an assembly LPAE support test.
 #if defined(__ARM_FEATURE_LPAE)
-  const bool has_lpae = true;
+  const bool has_atomic_ldrd_strd = true;
 #else
-  const bool has_lpae = false;
+  const bool has_atomic_ldrd_strd = false;
 #endif
-  return ArmFeaturesUniquePtr(new ArmInstructionSetFeatures(has_div, has_lpae));
+  return ArmFeaturesUniquePtr(new ArmInstructionSetFeatures(has_div,
+                                                            has_atomic_ldrd_strd,
+                                                            has_armv8a));
 }
 
 bool ArmInstructionSetFeatures::Equals(const InstructionSetFeatures* other) const {
@@ -219,13 +269,26 @@
     return false;
   }
   const ArmInstructionSetFeatures* other_as_arm = other->AsArmInstructionSetFeatures();
-  return has_div_ == other_as_arm->has_div_ &&
-      has_atomic_ldrd_strd_ == other_as_arm->has_atomic_ldrd_strd_;
+  return has_div_ == other_as_arm->has_div_
+      && has_atomic_ldrd_strd_ == other_as_arm->has_atomic_ldrd_strd_
+      && has_armv8a_ == other_as_arm->has_armv8a_;
+}
+
+bool ArmInstructionSetFeatures::HasAtLeast(const InstructionSetFeatures* other) const {
+  if (kArm != other->GetInstructionSet()) {
+    return false;
+  }
+  const ArmInstructionSetFeatures* other_as_arm = other->AsArmInstructionSetFeatures();
+
+  return (has_div_ || (has_div_ == other_as_arm->has_div_))
+      && (has_atomic_ldrd_strd_ || (has_atomic_ldrd_strd_ == other_as_arm->has_atomic_ldrd_strd_))
+      && (has_armv8a_ || (has_armv8a_ == other_as_arm->has_armv8a_));
 }
 
 uint32_t ArmInstructionSetFeatures::AsBitmap() const {
-  return (has_div_ ? kDivBitfield : 0) |
-      (has_atomic_ldrd_strd_ ? kAtomicLdrdStrdBitfield : 0);
+  return (has_div_ ? kDivBitfield : 0)
+      | (has_atomic_ldrd_strd_ ? kAtomicLdrdStrdBitfield : 0)
+      | (has_armv8a_ ? kARMv8A : 0);
 }
 
 std::string ArmInstructionSetFeatures::GetFeatureString() const {
@@ -240,6 +303,11 @@
   } else {
     result += ",-atomic_ldrd_strd";
   }
+  if (has_armv8a_) {
+    result += ",armv8a";
+  } else {
+    result += ",-armv8a";
+  }
   return result;
 }
 
@@ -248,6 +316,7 @@
     const std::vector<std::string>& features, std::string* error_msg) const {
   bool has_atomic_ldrd_strd = has_atomic_ldrd_strd_;
   bool has_div = has_div_;
+  bool has_armv8a = has_armv8a_;
   for (auto i = features.begin(); i != features.end(); i++) {
     std::string feature = android::base::Trim(*i);
     if (feature == "div") {
@@ -258,13 +327,17 @@
       has_atomic_ldrd_strd = true;
     } else if (feature == "-atomic_ldrd_strd") {
       has_atomic_ldrd_strd = false;
+    } else if (feature == "armv8a") {
+      has_armv8a = true;
+    } else if (feature == "-armv8a") {
+      has_armv8a = false;
     } else {
       *error_msg = StringPrintf("Unknown instruction set feature: '%s'", feature.c_str());
       return nullptr;
     }
   }
   return std::unique_ptr<const InstructionSetFeatures>(
-      new ArmInstructionSetFeatures(has_div, has_atomic_ldrd_strd));
+      new ArmInstructionSetFeatures(has_div, has_atomic_ldrd_strd, has_armv8a));
 }
 
 }  // namespace art
diff --git a/runtime/arch/arm/instruction_set_features_arm.h b/runtime/arch/arm/instruction_set_features_arm.h
index 11f8bf0..f438a76 100644
--- a/runtime/arch/arm/instruction_set_features_arm.h
+++ b/runtime/arch/arm/instruction_set_features_arm.h
@@ -49,6 +49,8 @@
 
   bool Equals(const InstructionSetFeatures* other) const OVERRIDE;
 
+  bool HasAtLeast(const InstructionSetFeatures* other) const OVERRIDE;
+
   InstructionSet GetInstructionSet() const OVERRIDE {
     return kArm;
   }
@@ -69,6 +71,11 @@
     return has_atomic_ldrd_strd_;
   }
 
+  // Are ARMv8-A instructions available?
+  bool HasARMv8AInstructions() const {
+    return has_armv8a_;
+  }
+
   virtual ~ArmInstructionSetFeatures() {}
 
  protected:
@@ -78,19 +85,24 @@
                                  std::string* error_msg) const OVERRIDE;
 
  private:
-  ArmInstructionSetFeatures(bool has_div, bool has_atomic_ldrd_strd)
+  ArmInstructionSetFeatures(bool has_div,
+                            bool has_atomic_ldrd_strd,
+                            bool has_armv8a)
       : InstructionSetFeatures(),
-        has_div_(has_div), has_atomic_ldrd_strd_(has_atomic_ldrd_strd) {
-  }
+        has_div_(has_div),
+        has_atomic_ldrd_strd_(has_atomic_ldrd_strd),
+        has_armv8a_(has_armv8a) {}
 
   // Bitmap positions for encoding features as a bitmap.
   enum {
     kDivBitfield = 1 << 0,
     kAtomicLdrdStrdBitfield = 1 << 1,
+    kARMv8A = 1 << 2,
   };
 
   const bool has_div_;
   const bool has_atomic_ldrd_strd_;
+  const bool has_armv8a_;
 
   DISALLOW_COPY_AND_ASSIGN(ArmInstructionSetFeatures);
 };
diff --git a/runtime/arch/arm/instruction_set_features_arm_test.cc b/runtime/arch/arm/instruction_set_features_arm_test.cc
index 697ca90..6d5dd6d 100644
--- a/runtime/arch/arm/instruction_set_features_arm_test.cc
+++ b/runtime/arch/arm/instruction_set_features_arm_test.cc
@@ -31,7 +31,7 @@
   EXPECT_TRUE(krait_features->Equals(krait_features.get()));
   EXPECT_TRUE(krait_features->AsArmInstructionSetFeatures()->HasDivideInstruction());
   EXPECT_TRUE(krait_features->AsArmInstructionSetFeatures()->HasAtomicLdrdAndStrd());
-  EXPECT_STREQ("div,atomic_ldrd_strd", krait_features->GetFeatureString().c_str());
+  EXPECT_STREQ("div,atomic_ldrd_strd,-armv8a", krait_features->GetFeatureString().c_str());
   EXPECT_EQ(krait_features->AsBitmap(), 3U);
 
   // Build features for a 32-bit ARM denver processor.
@@ -40,12 +40,13 @@
   ASSERT_TRUE(denver_features.get() != nullptr) << error_msg;
 
   EXPECT_TRUE(denver_features->Equals(denver_features.get()));
-  EXPECT_TRUE(denver_features->Equals(krait_features.get()));
-  EXPECT_TRUE(krait_features->Equals(denver_features.get()));
+  EXPECT_TRUE(denver_features->HasAtLeast(krait_features.get()));
+  EXPECT_FALSE(krait_features->Equals(denver_features.get()));
+  EXPECT_FALSE(krait_features->HasAtLeast(denver_features.get()));
   EXPECT_TRUE(denver_features->AsArmInstructionSetFeatures()->HasDivideInstruction());
   EXPECT_TRUE(denver_features->AsArmInstructionSetFeatures()->HasAtomicLdrdAndStrd());
-  EXPECT_STREQ("div,atomic_ldrd_strd", denver_features->GetFeatureString().c_str());
-  EXPECT_EQ(denver_features->AsBitmap(), 3U);
+  EXPECT_STREQ("div,atomic_ldrd_strd,armv8a", denver_features->GetFeatureString().c_str());
+  EXPECT_EQ(denver_features->AsBitmap(), 7U);
 
   // Build features for a 32-bit ARMv7 processor.
   std::unique_ptr<const InstructionSetFeatures> generic_features(
@@ -57,7 +58,7 @@
   EXPECT_FALSE(krait_features->Equals(generic_features.get()));
   EXPECT_FALSE(generic_features->AsArmInstructionSetFeatures()->HasDivideInstruction());
   EXPECT_FALSE(generic_features->AsArmInstructionSetFeatures()->HasAtomicLdrdAndStrd());
-  EXPECT_STREQ("-div,-atomic_ldrd_strd", generic_features->GetFeatureString().c_str());
+  EXPECT_STREQ("-div,-atomic_ldrd_strd,-armv8a", generic_features->GetFeatureString().c_str());
   EXPECT_EQ(generic_features->AsBitmap(), 0U);
 
   // ARM6 is not a supported architecture variant.
@@ -82,21 +83,22 @@
   EXPECT_TRUE(krait_features->Equals(krait_features.get()));
   EXPECT_TRUE(krait_features->AsArmInstructionSetFeatures()->HasDivideInstruction());
   EXPECT_TRUE(krait_features->AsArmInstructionSetFeatures()->HasAtomicLdrdAndStrd());
-  EXPECT_STREQ("div,atomic_ldrd_strd", krait_features->GetFeatureString().c_str());
+  EXPECT_STREQ("div,atomic_ldrd_strd,-armv8a", krait_features->GetFeatureString().c_str());
   EXPECT_EQ(krait_features->AsBitmap(), 3U);
 
   // Build features for a 32-bit ARM processor with LPAE and div flipped.
   std::unique_ptr<const InstructionSetFeatures> denver_features(
-      base_features->AddFeaturesFromString("div,atomic_ldrd_strd", &error_msg));
+      base_features->AddFeaturesFromString("div,atomic_ldrd_strd,armv8a", &error_msg));
   ASSERT_TRUE(denver_features.get() != nullptr) << error_msg;
 
   EXPECT_TRUE(denver_features->Equals(denver_features.get()));
-  EXPECT_TRUE(denver_features->Equals(krait_features.get()));
-  EXPECT_TRUE(krait_features->Equals(denver_features.get()));
+  EXPECT_FALSE(denver_features->Equals(krait_features.get()));
+  EXPECT_TRUE(denver_features->HasAtLeast(krait_features.get()));
+  EXPECT_FALSE(krait_features->Equals(denver_features.get()));
   EXPECT_TRUE(denver_features->AsArmInstructionSetFeatures()->HasDivideInstruction());
   EXPECT_TRUE(denver_features->AsArmInstructionSetFeatures()->HasAtomicLdrdAndStrd());
-  EXPECT_STREQ("div,atomic_ldrd_strd", denver_features->GetFeatureString().c_str());
-  EXPECT_EQ(denver_features->AsBitmap(), 3U);
+  EXPECT_STREQ("div,atomic_ldrd_strd,armv8a", denver_features->GetFeatureString().c_str());
+  EXPECT_EQ(denver_features->AsBitmap(), 7U);
 
   // Build features for a 32-bit default ARM processor.
   std::unique_ptr<const InstructionSetFeatures> generic_features(
@@ -108,7 +110,7 @@
   EXPECT_FALSE(krait_features->Equals(generic_features.get()));
   EXPECT_FALSE(generic_features->AsArmInstructionSetFeatures()->HasDivideInstruction());
   EXPECT_FALSE(generic_features->AsArmInstructionSetFeatures()->HasAtomicLdrdAndStrd());
-  EXPECT_STREQ("-div,-atomic_ldrd_strd", generic_features->GetFeatureString().c_str());
+  EXPECT_STREQ("-div,-atomic_ldrd_strd,-armv8a", generic_features->GetFeatureString().c_str());
   EXPECT_EQ(generic_features->AsBitmap(), 0U);
 }
 
diff --git a/runtime/arch/arm/instruction_set_features_assembly_tests.S b/runtime/arch/arm/instruction_set_features_assembly_tests.S
index c1086df..5c7f202 100644
--- a/runtime/arch/arm/instruction_set_features_assembly_tests.S
+++ b/runtime/arch/arm/instruction_set_features_assembly_tests.S
@@ -17,22 +17,49 @@
 #include "asm_support_arm.S"
 
 .section .text
-// This function is used to check for the CPU's support for the sdiv
-// instruction at runtime.  It will either return the value 1 or
-// will cause an invalid instruction trap (SIGILL signal).  The
-// caller must arrange for the signal handler to set the r0
-// register to 0 and move the pc forward by 4 bytes (to skip
-// the invalid instruction).
+// These functions are used to check for the CPU's support for the sdiv and
+// ARMv8-A instructions at runtime. They will either return the value 1 or will
+// cause an invalid instruction trap (SIGILL signal), for which the signal handler
+// (bad_instr_handle(), in instruction_set_features_arm.cc) must arrange to set
+// the r0 register to 0 and move the pc forward by 4 bytes (to skip the invalid
+// instruction).
+// Note: For ARM T32, instructions can be either 16b or 32b, but bad_instr_handle()
+// deals only with 32b instructions for now.
+
 ENTRY artCheckForArmSdivInstruction
   mov r1,#1
-  // depending on the architecture, the assembler will not allow an
+  // Depending on the architecture, the assembler will not allow an
   // sdiv instruction, so we will have to output the bytes directly.
 
-  // sdiv r0,r1,r1 is two words: 0xfb91 0xf1f0.  We need little endian.
-  .byte 0x91,0xfb,0xf1,0xf0
+  // The T32 encoding for sdiv r0,r1,r1 is two 16bit words: 0xfb91 0xf0f1, with little endianness.
+  .byte 0x91,0xfb
+  .byte 0xf1,0xf0
 
-  // if the divide worked, r0 will have the value #1 (result of sdiv).
+  // If the divide worked, r0 will have the value #1 (result of sdiv).
   // It will have 0 otherwise (set by the signal handler)
   // the value is just returned from this function.
   bx lr
 END artCheckForArmSdivInstruction
+
+ENTRY artCheckForArmv8AInstructions
+  // Depending on the architecture, the assembler will not allow a
+  // `vrint` instruction, so we will have to output the bytes directly.
+
+  // Move `true` into the result register. The signal handler will set it to 0
+  // if execution of the instruction below fails
+  mov r0,#1
+
+  // Store S0 in the caller saved R1. If the instruction below succeeds, S0 will
+  // be clobbered but it will not be caller saved (ARM still uses soft FP).
+  vmov r1, s0
+
+  // The T32 encoding for vrinta.f32.f32 s0,s0 is two 16bit words: 0xfeb8,0x0a40, with little
+  // endianness.
+  .byte 0xb8,0xfe
+  .byte 0x40,0x0a
+
+  // Restore S0 (see above comment).
+  vmov s0, r1
+
+  bx lr
+END artCheckForArmv8AInstructions
diff --git a/runtime/arch/arm/quick_entrypoints_arm.S b/runtime/arch/arm/quick_entrypoints_arm.S
index db1cad6..ed36436 100644
--- a/runtime/arch/arm/quick_entrypoints_arm.S
+++ b/runtime/arch/arm/quick_entrypoints_arm.S
@@ -351,14 +351,13 @@
     DELIVER_PENDING_EXCEPTION
 .endm
 
-// Macros taking opportunity of code similarities for downcalls with referrer for non-wide fields.
+// Macros taking opportunity of code similarities for downcalls.
 .macro  ONE_ARG_REF_DOWNCALL name, entrypoint, return
     .extern \entrypoint
 ENTRY \name
     SETUP_SAVE_REFS_ONLY_FRAME r1        @ save callee saves in case of GC
-    ldr    r1, [sp, #FRAME_SIZE_SAVE_REFS_ONLY]  @ pass referrer
-    mov    r2, r9                        @ pass Thread::Current
-    bl     \entrypoint                   @ (uint32_t field_idx, const Method* referrer, Thread*)
+    mov    r1, r9                        @ pass Thread::Current
+    bl     \entrypoint                   @ (uint32_t field_idx, Thread*)
     RESTORE_SAVE_REFS_ONLY_FRAME
     \return
 END \name
@@ -368,9 +367,8 @@
     .extern \entrypoint
 ENTRY \name
     SETUP_SAVE_REFS_ONLY_FRAME r2        @ save callee saves in case of GC
-    ldr    r2, [sp, #FRAME_SIZE_SAVE_REFS_ONLY]  @ pass referrer
-    mov    r3, r9                        @ pass Thread::Current
-    bl     \entrypoint                   @ (field_idx, Object*, referrer, Thread*)
+    mov    r2, r9                        @ pass Thread::Current
+    bl     \entrypoint                   @ (field_idx, Object*, Thread*)
     RESTORE_SAVE_REFS_ONLY_FRAME
     \return
 END \name
@@ -380,12 +378,8 @@
     .extern \entrypoint
 ENTRY \name
     SETUP_SAVE_REFS_ONLY_FRAME r3        @ save callee saves in case of GC
-    ldr    r3, [sp, #FRAME_SIZE_SAVE_REFS_ONLY]  @ pass referrer
-    str    r9, [sp, #-16]!               @ expand the frame and pass Thread::Current
-    .cfi_adjust_cfa_offset 16
-    bl     \entrypoint                   @ (field_idx, Object*, new_val, referrer, Thread*)
-    add    sp, #16                       @ release out args
-    .cfi_adjust_cfa_offset -16
+    mov    r3, r9                        @ pass Thread::Current
+    bl     \entrypoint                   @ (field_idx, Object*, new_val, Thread*)
     RESTORE_SAVE_REFS_ONLY_FRAME         @ TODO: we can clearly save an add here
     \return
 END \name
@@ -978,21 +972,20 @@
     /*
      * Called by managed code to resolve a static field and load a non-wide value.
      */
-ONE_ARG_REF_DOWNCALL art_quick_get_byte_static, artGetByteStaticFromCode, RETURN_OR_DELIVER_PENDING_EXCEPTION_R1
-ONE_ARG_REF_DOWNCALL art_quick_get_boolean_static, artGetBooleanStaticFromCode, RETURN_OR_DELIVER_PENDING_EXCEPTION_R1
-ONE_ARG_REF_DOWNCALL art_quick_get_short_static, artGetShortStaticFromCode, RETURN_OR_DELIVER_PENDING_EXCEPTION_R1
-ONE_ARG_REF_DOWNCALL art_quick_get_char_static, artGetCharStaticFromCode, RETURN_OR_DELIVER_PENDING_EXCEPTION_R1
-ONE_ARG_REF_DOWNCALL art_quick_get32_static, artGet32StaticFromCode, RETURN_OR_DELIVER_PENDING_EXCEPTION_R1
-ONE_ARG_REF_DOWNCALL art_quick_get_obj_static, artGetObjStaticFromCode, RETURN_OR_DELIVER_PENDING_EXCEPTION_R1
+ONE_ARG_REF_DOWNCALL art_quick_get_byte_static, artGetByteStaticFromCompiledCode, RETURN_OR_DELIVER_PENDING_EXCEPTION_R1
+ONE_ARG_REF_DOWNCALL art_quick_get_boolean_static, artGetBooleanStaticFromCompiledCode, RETURN_OR_DELIVER_PENDING_EXCEPTION_R1
+ONE_ARG_REF_DOWNCALL art_quick_get_short_static, artGetShortStaticFromCompiledCode, RETURN_OR_DELIVER_PENDING_EXCEPTION_R1
+ONE_ARG_REF_DOWNCALL art_quick_get_char_static, artGetCharStaticFromCompiledCode, RETURN_OR_DELIVER_PENDING_EXCEPTION_R1
+ONE_ARG_REF_DOWNCALL art_quick_get32_static, artGet32StaticFromCompiledCode, RETURN_OR_DELIVER_PENDING_EXCEPTION_R1
+ONE_ARG_REF_DOWNCALL art_quick_get_obj_static, artGetObjStaticFromCompiledCode, RETURN_OR_DELIVER_PENDING_EXCEPTION_R1
     /*
      * Called by managed code to resolve a static field and load a 64-bit primitive value.
      */
-    .extern artGet64StaticFromCode
+    .extern artGet64StaticFromCompiledCode
 ENTRY art_quick_get64_static
     SETUP_SAVE_REFS_ONLY_FRAME r2        @ save callee saves in case of GC
-    ldr    r1, [sp, #FRAME_SIZE_SAVE_REFS_ONLY]  @ pass referrer
-    mov    r2, r9                        @ pass Thread::Current
-    bl     artGet64StaticFromCode        @ (uint32_t field_idx, const Method* referrer, Thread*)
+    mov    r1, r9                        @ pass Thread::Current
+    bl     artGet64StaticFromCompiledCode        @ (uint32_t field_idx, Thread*)
     ldr    r2, [r9, #THREAD_EXCEPTION_OFFSET]  @ load Thread::Current()->exception_
     RESTORE_SAVE_REFS_ONLY_FRAME
     cbnz   r2, 1f                        @ success if no exception pending
@@ -1004,21 +997,20 @@
     /*
      * Called by managed code to resolve an instance field and load a non-wide value.
      */
-TWO_ARG_REF_DOWNCALL art_quick_get_byte_instance, artGetByteInstanceFromCode, RETURN_OR_DELIVER_PENDING_EXCEPTION_R1
-TWO_ARG_REF_DOWNCALL art_quick_get_boolean_instance, artGetBooleanInstanceFromCode, RETURN_OR_DELIVER_PENDING_EXCEPTION_R1
-TWO_ARG_REF_DOWNCALL art_quick_get_short_instance, artGetShortInstanceFromCode, RETURN_OR_DELIVER_PENDING_EXCEPTION_R1
-TWO_ARG_REF_DOWNCALL art_quick_get_char_instance, artGetCharInstanceFromCode, RETURN_OR_DELIVER_PENDING_EXCEPTION_R1
-TWO_ARG_REF_DOWNCALL art_quick_get32_instance, artGet32InstanceFromCode, RETURN_OR_DELIVER_PENDING_EXCEPTION_R1
-TWO_ARG_REF_DOWNCALL art_quick_get_obj_instance, artGetObjInstanceFromCode, RETURN_OR_DELIVER_PENDING_EXCEPTION_R1
+TWO_ARG_REF_DOWNCALL art_quick_get_byte_instance, artGetByteInstanceFromCompiledCode, RETURN_OR_DELIVER_PENDING_EXCEPTION_R1
+TWO_ARG_REF_DOWNCALL art_quick_get_boolean_instance, artGetBooleanInstanceFromCompiledCode, RETURN_OR_DELIVER_PENDING_EXCEPTION_R1
+TWO_ARG_REF_DOWNCALL art_quick_get_short_instance, artGetShortInstanceFromCompiledCode, RETURN_OR_DELIVER_PENDING_EXCEPTION_R1
+TWO_ARG_REF_DOWNCALL art_quick_get_char_instance, artGetCharInstanceFromCompiledCode, RETURN_OR_DELIVER_PENDING_EXCEPTION_R1
+TWO_ARG_REF_DOWNCALL art_quick_get32_instance, artGet32InstanceFromCompiledCode, RETURN_OR_DELIVER_PENDING_EXCEPTION_R1
+TWO_ARG_REF_DOWNCALL art_quick_get_obj_instance, artGetObjInstanceFromCompiledCode, RETURN_OR_DELIVER_PENDING_EXCEPTION_R1
     /*
      * Called by managed code to resolve an instance field and load a 64-bit primitive value.
      */
-    .extern artGet64InstanceFromCode
+    .extern artGet64InstanceFromCompiledCode
 ENTRY art_quick_get64_instance
     SETUP_SAVE_REFS_ONLY_FRAME r2        @ save callee saves in case of GC
-    ldr    r2, [sp, #FRAME_SIZE_SAVE_REFS_ONLY]  @ pass referrer
-    mov    r3, r9                        @ pass Thread::Current
-    bl     artGet64InstanceFromCode      @ (field_idx, Object*, referrer, Thread*)
+    mov    r2, r9                        @ pass Thread::Current
+    bl     artGet64InstanceFromCompiledCode      @ (field_idx, Object*, Thread*)
     ldr    r2, [r9, #THREAD_EXCEPTION_OFFSET]  @ load Thread::Current()->exception_
     RESTORE_SAVE_REFS_ONLY_FRAME
     cbnz   r2, 1f                        @ success if no exception pending
@@ -1028,51 +1020,31 @@
 END art_quick_get64_instance
 
     /*
-     * Called by managed code to resolve a static field and store a non-wide value.
+     * Called by managed code to resolve a static field and store a value.
      */
-TWO_ARG_REF_DOWNCALL art_quick_set8_static, artSet8StaticFromCode, RETURN_IF_RESULT_IS_ZERO_OR_DELIVER
-TWO_ARG_REF_DOWNCALL art_quick_set16_static, artSet16StaticFromCode, RETURN_IF_RESULT_IS_ZERO_OR_DELIVER
-TWO_ARG_REF_DOWNCALL art_quick_set32_static, artSet32StaticFromCode, RETURN_IF_RESULT_IS_ZERO_OR_DELIVER
-TWO_ARG_REF_DOWNCALL art_quick_set_obj_static, artSetObjStaticFromCode, RETURN_IF_RESULT_IS_ZERO_OR_DELIVER
-    /*
-     * Called by managed code to resolve a static field and store a 64-bit primitive value.
-     * On entry r0 holds field index, r2:r3 hold new_val
-     */
-    .extern artSet64StaticFromCode
-ENTRY art_quick_set64_static
-    SETUP_SAVE_REFS_ONLY_FRAME r1        @ save callee saves in case of GC
-                                         @ r2:r3 contain the wide argument
-    ldr    r1, [sp, #FRAME_SIZE_SAVE_REFS_ONLY]  @ pass referrer
-    str    r9, [sp, #-16]!               @ expand the frame and pass Thread::Current
-    .cfi_adjust_cfa_offset 16
-    bl     artSet64StaticFromCode        @ (field_idx, referrer, new_val, Thread*)
-    add    sp, #16                       @ release out args
-    .cfi_adjust_cfa_offset -16
-    RESTORE_SAVE_REFS_ONLY_FRAME         @ TODO: we can clearly save an add here
-    RETURN_IF_RESULT_IS_ZERO
-    DELIVER_PENDING_EXCEPTION
-END art_quick_set64_static
+TWO_ARG_REF_DOWNCALL art_quick_set8_static, artSet8StaticFromCompiledCode, RETURN_IF_RESULT_IS_ZERO_OR_DELIVER
+TWO_ARG_REF_DOWNCALL art_quick_set16_static, artSet16StaticFromCompiledCode, RETURN_IF_RESULT_IS_ZERO_OR_DELIVER
+TWO_ARG_REF_DOWNCALL art_quick_set32_static, artSet32StaticFromCompiledCode, RETURN_IF_RESULT_IS_ZERO_OR_DELIVER
+TWO_ARG_REF_DOWNCALL art_quick_set_obj_static, artSetObjStaticFromCompiledCode, RETURN_IF_RESULT_IS_ZERO_OR_DELIVER
 
     /*
      * Called by managed code to resolve an instance field and store a non-wide value.
      */
-THREE_ARG_REF_DOWNCALL art_quick_set8_instance, artSet8InstanceFromCode, RETURN_IF_RESULT_IS_ZERO_OR_DELIVER
-THREE_ARG_REF_DOWNCALL art_quick_set16_instance, artSet16InstanceFromCode, RETURN_IF_RESULT_IS_ZERO_OR_DELIVER
-THREE_ARG_REF_DOWNCALL art_quick_set32_instance, artSet32InstanceFromCode, RETURN_IF_RESULT_IS_ZERO_OR_DELIVER
-THREE_ARG_REF_DOWNCALL art_quick_set_obj_instance, artSetObjInstanceFromCode, RETURN_IF_RESULT_IS_ZERO_OR_DELIVER
+THREE_ARG_REF_DOWNCALL art_quick_set8_instance, artSet8InstanceFromCompiledCode, RETURN_IF_RESULT_IS_ZERO_OR_DELIVER
+THREE_ARG_REF_DOWNCALL art_quick_set16_instance, artSet16InstanceFromCompiledCode, RETURN_IF_RESULT_IS_ZERO_OR_DELIVER
+THREE_ARG_REF_DOWNCALL art_quick_set32_instance, artSet32InstanceFromCompiledCode, RETURN_IF_RESULT_IS_ZERO_OR_DELIVER
+THREE_ARG_REF_DOWNCALL art_quick_set_obj_instance, artSetObjInstanceFromCompiledCode, RETURN_IF_RESULT_IS_ZERO_OR_DELIVER
+
     /*
-     * Called by managed code to resolve an instance field and store a 64-bit primitive value.
+     * Called by managed code to resolve an instance field and store a wide value.
      */
-    .extern artSet64InstanceFromCode
+    .extern artSet64InstanceFromCompiledCode
 ENTRY art_quick_set64_instance
     SETUP_SAVE_REFS_ONLY_FRAME r12       @ save callee saves in case of GC
                                          @ r2:r3 contain the wide argument
-    ldr    r12, [sp, #FRAME_SIZE_SAVE_REFS_ONLY]  @ pass referrer
-    str    r9, [sp, #-12]!               @ expand the frame and pass Thread::Current
-    .cfi_adjust_cfa_offset 12
-    str    r12, [sp, #-4]!               @ expand the frame and pass the referrer
-    .cfi_adjust_cfa_offset 4
-    bl     artSet64InstanceFromCode      @ (field_idx, Object*, new_val, Method* referrer, Thread*)
+    str    r9, [sp, #-16]!               @ expand the frame and pass Thread::Current
+    .cfi_adjust_cfa_offset 16
+    bl     artSet64InstanceFromCompiledCode      @ (field_idx, Object*, new_val, Thread*)
     add    sp, #16                       @ release out args
     .cfi_adjust_cfa_offset -16
     RESTORE_SAVE_REFS_ONLY_FRAME         @ TODO: we can clearly save an add here
@@ -1080,6 +1052,20 @@
     DELIVER_PENDING_EXCEPTION
 END art_quick_set64_instance
 
+    .extern artSet64StaticFromCompiledCode
+ENTRY art_quick_set64_static
+    SETUP_SAVE_REFS_ONLY_FRAME r12        @ save callee saves in case of GC
+                                          @ r2:r3 contain the wide argument
+    str    r9, [sp, #-16]!                @ expand the frame and pass Thread::Current
+    .cfi_adjust_cfa_offset 16
+    bl     artSet64StaticFromCompiledCode @ (field_idx, new_val, Thread*)
+    add    sp, #16                        @ release out args
+    .cfi_adjust_cfa_offset -16
+    RESTORE_SAVE_REFS_ONLY_FRAME          @ TODO: we can clearly save an add here
+    RETURN_IF_RESULT_IS_ZERO
+    DELIVER_PENDING_EXCEPTION
+END art_quick_set64_static
+
     /*
      * Entry from managed code to resolve a string, this stub will
      * check the dex cache for a matching string (the fast path), and if not found,
diff --git a/runtime/arch/arm64/quick_entrypoints_arm64.S b/runtime/arch/arm64/quick_entrypoints_arm64.S
index 3bd6fe2..6a2034f 100644
--- a/runtime/arch/arm64/quick_entrypoints_arm64.S
+++ b/runtime/arch/arm64/quick_entrypoints_arm64.S
@@ -1519,14 +1519,13 @@
 END \name
 .endm
 
-// Macros taking opportunity of code similarities for downcalls with referrer.
+// Macros taking opportunity of code similarities for downcalls.
 .macro ONE_ARG_REF_DOWNCALL name, entrypoint, return
     .extern \entrypoint
 ENTRY \name
     SETUP_SAVE_REFS_ONLY_FRAME        // save callee saves in case of GC
-    ldr    x1, [sp, #FRAME_SIZE_SAVE_REFS_ONLY] // Load referrer
-    mov    x2, xSELF                  // pass Thread::Current
-    bl     \entrypoint                // (uint32_t type_idx, Method* method, Thread*, SP)
+    mov    x1, xSELF                  // pass Thread::Current
+    bl     \entrypoint                // (uint32_t type_idx, Thread*)
     RESTORE_SAVE_REFS_ONLY_FRAME
     \return
 END \name
@@ -1536,8 +1535,7 @@
     .extern \entrypoint
 ENTRY \name
     SETUP_SAVE_REFS_ONLY_FRAME        // save callee saves in case of GC
-    ldr    x2, [sp, #FRAME_SIZE_SAVE_REFS_ONLY] // Load referrer
-    mov    x3, xSELF                  // pass Thread::Current
+    mov    x2, xSELF                  // pass Thread::Current
     bl     \entrypoint
     RESTORE_SAVE_REFS_ONLY_FRAME
     \return
@@ -1548,8 +1546,7 @@
     .extern \entrypoint
 ENTRY \name
     SETUP_SAVE_REFS_ONLY_FRAME        // save callee saves in case of GC
-    ldr    x3, [sp, #FRAME_SIZE_SAVE_REFS_ONLY] // Load referrer
-    mov    x4, xSELF                  // pass Thread::Current
+    mov    x3, xSELF                  // pass Thread::Current
     bl     \entrypoint
     RESTORE_SAVE_REFS_ONLY_FRAME
     \return
@@ -1579,44 +1576,33 @@
 ONE_ARG_DOWNCALL art_quick_initialize_type, artInitializeTypeFromCode, RETURN_IF_RESULT_IS_NON_ZERO_OR_DELIVER
 ONE_ARG_DOWNCALL art_quick_initialize_type_and_verify_access, artInitializeTypeAndVerifyAccessFromCode, RETURN_IF_RESULT_IS_NON_ZERO_OR_DELIVER
 
-ONE_ARG_REF_DOWNCALL art_quick_get_boolean_static, artGetBooleanStaticFromCode, RETURN_OR_DELIVER_PENDING_EXCEPTION_X1
-ONE_ARG_REF_DOWNCALL art_quick_get_byte_static, artGetByteStaticFromCode, RETURN_OR_DELIVER_PENDING_EXCEPTION_X1
-ONE_ARG_REF_DOWNCALL art_quick_get_char_static, artGetCharStaticFromCode, RETURN_OR_DELIVER_PENDING_EXCEPTION_X1
-ONE_ARG_REF_DOWNCALL art_quick_get_short_static, artGetShortStaticFromCode, RETURN_OR_DELIVER_PENDING_EXCEPTION_X1
-ONE_ARG_REF_DOWNCALL art_quick_get32_static, artGet32StaticFromCode, RETURN_OR_DELIVER_PENDING_EXCEPTION_X1
-ONE_ARG_REF_DOWNCALL art_quick_get64_static, artGet64StaticFromCode, RETURN_OR_DELIVER_PENDING_EXCEPTION_X1
-ONE_ARG_REF_DOWNCALL art_quick_get_obj_static, artGetObjStaticFromCode, RETURN_OR_DELIVER_PENDING_EXCEPTION_X1
+ONE_ARG_REF_DOWNCALL art_quick_get_boolean_static, artGetBooleanStaticFromCompiledCode, RETURN_OR_DELIVER_PENDING_EXCEPTION_X1
+ONE_ARG_REF_DOWNCALL art_quick_get_byte_static, artGetByteStaticFromCompiledCode, RETURN_OR_DELIVER_PENDING_EXCEPTION_X1
+ONE_ARG_REF_DOWNCALL art_quick_get_char_static, artGetCharStaticFromCompiledCode, RETURN_OR_DELIVER_PENDING_EXCEPTION_X1
+ONE_ARG_REF_DOWNCALL art_quick_get_short_static, artGetShortStaticFromCompiledCode, RETURN_OR_DELIVER_PENDING_EXCEPTION_X1
+ONE_ARG_REF_DOWNCALL art_quick_get32_static, artGet32StaticFromCompiledCode, RETURN_OR_DELIVER_PENDING_EXCEPTION_X1
+ONE_ARG_REF_DOWNCALL art_quick_get64_static, artGet64StaticFromCompiledCode, RETURN_OR_DELIVER_PENDING_EXCEPTION_X1
+ONE_ARG_REF_DOWNCALL art_quick_get_obj_static, artGetObjStaticFromCompiledCode, RETURN_OR_DELIVER_PENDING_EXCEPTION_X1
 
-TWO_ARG_REF_DOWNCALL art_quick_get_boolean_instance, artGetBooleanInstanceFromCode, RETURN_OR_DELIVER_PENDING_EXCEPTION_X1
-TWO_ARG_REF_DOWNCALL art_quick_get_byte_instance, artGetByteInstanceFromCode, RETURN_OR_DELIVER_PENDING_EXCEPTION_X1
-TWO_ARG_REF_DOWNCALL art_quick_get_char_instance, artGetCharInstanceFromCode, RETURN_OR_DELIVER_PENDING_EXCEPTION_X1
-TWO_ARG_REF_DOWNCALL art_quick_get_short_instance, artGetShortInstanceFromCode, RETURN_OR_DELIVER_PENDING_EXCEPTION_X1
-TWO_ARG_REF_DOWNCALL art_quick_get32_instance, artGet32InstanceFromCode, RETURN_OR_DELIVER_PENDING_EXCEPTION_X1
-TWO_ARG_REF_DOWNCALL art_quick_get64_instance, artGet64InstanceFromCode, RETURN_OR_DELIVER_PENDING_EXCEPTION_X1
-TWO_ARG_REF_DOWNCALL art_quick_get_obj_instance, artGetObjInstanceFromCode, RETURN_OR_DELIVER_PENDING_EXCEPTION_X1
+TWO_ARG_REF_DOWNCALL art_quick_get_boolean_instance, artGetBooleanInstanceFromCompiledCode, RETURN_OR_DELIVER_PENDING_EXCEPTION_X1
+TWO_ARG_REF_DOWNCALL art_quick_get_byte_instance, artGetByteInstanceFromCompiledCode, RETURN_OR_DELIVER_PENDING_EXCEPTION_X1
+TWO_ARG_REF_DOWNCALL art_quick_get_char_instance, artGetCharInstanceFromCompiledCode, RETURN_OR_DELIVER_PENDING_EXCEPTION_X1
+TWO_ARG_REF_DOWNCALL art_quick_get_short_instance, artGetShortInstanceFromCompiledCode, RETURN_OR_DELIVER_PENDING_EXCEPTION_X1
+TWO_ARG_REF_DOWNCALL art_quick_get32_instance, artGet32InstanceFromCompiledCode, RETURN_OR_DELIVER_PENDING_EXCEPTION_X1
+TWO_ARG_REF_DOWNCALL art_quick_get64_instance, artGet64InstanceFromCompiledCode, RETURN_OR_DELIVER_PENDING_EXCEPTION_X1
+TWO_ARG_REF_DOWNCALL art_quick_get_obj_instance, artGetObjInstanceFromCompiledCode, RETURN_OR_DELIVER_PENDING_EXCEPTION_X1
 
-TWO_ARG_REF_DOWNCALL art_quick_set8_static, artSet8StaticFromCode, RETURN_IF_W0_IS_ZERO_OR_DELIVER
-TWO_ARG_REF_DOWNCALL art_quick_set16_static, artSet16StaticFromCode, RETURN_IF_W0_IS_ZERO_OR_DELIVER
-TWO_ARG_REF_DOWNCALL art_quick_set32_static, artSet32StaticFromCode, RETURN_IF_W0_IS_ZERO_OR_DELIVER
-TWO_ARG_REF_DOWNCALL art_quick_set_obj_static, artSetObjStaticFromCode, RETURN_IF_W0_IS_ZERO_OR_DELIVER
+TWO_ARG_REF_DOWNCALL art_quick_set8_static, artSet8StaticFromCompiledCode, RETURN_IF_W0_IS_ZERO_OR_DELIVER
+TWO_ARG_REF_DOWNCALL art_quick_set16_static, artSet16StaticFromCompiledCode, RETURN_IF_W0_IS_ZERO_OR_DELIVER
+TWO_ARG_REF_DOWNCALL art_quick_set32_static, artSet32StaticFromCompiledCode, RETURN_IF_W0_IS_ZERO_OR_DELIVER
+TWO_ARG_REF_DOWNCALL art_quick_set64_static, artSet64StaticFromCompiledCode, RETURN_IF_W0_IS_ZERO_OR_DELIVER
+TWO_ARG_REF_DOWNCALL art_quick_set_obj_static, artSetObjStaticFromCompiledCode, RETURN_IF_W0_IS_ZERO_OR_DELIVER
 
-THREE_ARG_REF_DOWNCALL art_quick_set8_instance, artSet8InstanceFromCode, RETURN_IF_W0_IS_ZERO_OR_DELIVER
-THREE_ARG_REF_DOWNCALL art_quick_set16_instance, artSet16InstanceFromCode, RETURN_IF_W0_IS_ZERO_OR_DELIVER
-THREE_ARG_REF_DOWNCALL art_quick_set32_instance, artSet32InstanceFromCode, RETURN_IF_W0_IS_ZERO_OR_DELIVER
-THREE_ARG_REF_DOWNCALL art_quick_set64_instance, artSet64InstanceFromCode, RETURN_IF_W0_IS_ZERO_OR_DELIVER
-THREE_ARG_REF_DOWNCALL art_quick_set_obj_instance, artSetObjInstanceFromCode, RETURN_IF_W0_IS_ZERO_OR_DELIVER
-
-// This is separated out as the argument order is different.
-    .extern artSet64StaticFromCode
-ENTRY art_quick_set64_static
-    SETUP_SAVE_REFS_ONLY_FRAME        // save callee saves in case of GC
-    ldr    x1, [sp, #FRAME_SIZE_SAVE_REFS_ONLY] // Load referrer
-                                      // x2 contains the parameter
-    mov    x3, xSELF                  // pass Thread::Current
-    bl     artSet64StaticFromCode
-    RESTORE_SAVE_REFS_ONLY_FRAME
-    RETURN_IF_W0_IS_ZERO_OR_DELIVER
-END art_quick_set64_static
+THREE_ARG_REF_DOWNCALL art_quick_set8_instance, artSet8InstanceFromCompiledCode, RETURN_IF_W0_IS_ZERO_OR_DELIVER
+THREE_ARG_REF_DOWNCALL art_quick_set16_instance, artSet16InstanceFromCompiledCode, RETURN_IF_W0_IS_ZERO_OR_DELIVER
+THREE_ARG_REF_DOWNCALL art_quick_set32_instance, artSet32InstanceFromCompiledCode, RETURN_IF_W0_IS_ZERO_OR_DELIVER
+THREE_ARG_REF_DOWNCALL art_quick_set64_instance, artSet64InstanceFromCompiledCode, RETURN_IF_W0_IS_ZERO_OR_DELIVER
+THREE_ARG_REF_DOWNCALL art_quick_set_obj_instance, artSetObjInstanceFromCompiledCode, RETURN_IF_W0_IS_ZERO_OR_DELIVER
 
     /*
      * Entry from managed code to resolve a string, this stub will
diff --git a/runtime/arch/instruction_set_features.h b/runtime/arch/instruction_set_features.h
index b6c5c71..5f1a507 100644
--- a/runtime/arch/instruction_set_features.h
+++ b/runtime/arch/instruction_set_features.h
@@ -67,6 +67,24 @@
   // Are these features the same as the other given features?
   virtual bool Equals(const InstructionSetFeatures* other) const = 0;
 
+  // For testing purposes we want to make sure that the system we run on has at
+  // least the options we claim it has. In this cases Equals() does not
+  // suffice and will cause the test to fail, since the runtime cpu feature
+  // detection claims more capabilities then statically specified from the
+  // build system.
+  //
+  // A good example of this is the armv8 ART test target that declares
+  // "CPU_VARIANT=generic". If the generic target is specified and the code
+  // is run on a platform with enhanced capabilities, the
+  // instruction_set_features test will fail if we resort to using Equals()
+  // between statically defined cpu features and runtime cpu features.
+  //
+  // For now we default this to Equals() in case the architecture does not
+  // provide it.
+  virtual bool HasAtLeast(const InstructionSetFeatures* other) const {
+    return Equals(other);
+  }
+
   // Return the ISA these features relate to.
   virtual InstructionSet GetInstructionSet() const = 0;
 
diff --git a/runtime/arch/instruction_set_features_test.cc b/runtime/arch/instruction_set_features_test.cc
index d489392..67e2f35 100644
--- a/runtime/arch/instruction_set_features_test.cc
+++ b/runtime/arch/instruction_set_features_test.cc
@@ -52,7 +52,7 @@
         InstructionSetFeatures::FromVariant(kRuntimeISA, dex2oat_isa_variant, &error_msg));
     ASSERT_TRUE(property_features.get() != nullptr) << error_msg;
 
-    EXPECT_TRUE(property_features->Equals(instruction_set_features.get()))
+    EXPECT_TRUE(property_features->HasAtLeast(instruction_set_features.get()))
       << "System property features: " << *property_features.get()
       << "\nFeatures from build: " << *instruction_set_features.get();
   }
@@ -89,7 +89,7 @@
           base_features->AddFeaturesFromString(dex2oat_isa_features, &error_msg));
       ASSERT_TRUE(property_features.get() != nullptr) << error_msg;
 
-      EXPECT_TRUE(property_features->Equals(instruction_set_features.get()))
+      EXPECT_TRUE(property_features->HasAtLeast(instruction_set_features.get()))
       << "System property features: " << *property_features.get()
       << "\nFeatures from build: " << *instruction_set_features.get();
     }
@@ -109,7 +109,7 @@
   // Check we get the same instruction set features using /proc/cpuinfo.
   std::unique_ptr<const InstructionSetFeatures> cpuinfo_features(
       InstructionSetFeatures::FromCpuInfo());
-  EXPECT_TRUE(cpuinfo_features->Equals(instruction_set_features.get()))
+  EXPECT_TRUE(cpuinfo_features->HasAtLeast(instruction_set_features.get()))
       << "CPU Info features: " << *cpuinfo_features.get()
       << "\nFeatures from build: " << *instruction_set_features.get();
 }
@@ -124,7 +124,7 @@
 
   std::unique_ptr<const InstructionSetFeatures> cpp_features(
       InstructionSetFeatures::FromCppDefines());
-  EXPECT_TRUE(default_features->Equals(cpp_features.get()))
+  EXPECT_TRUE(cpp_features->HasAtLeast(default_features.get()))
       << "Default variant features: " << *default_features.get()
       << "\nFeatures from build: " << *cpp_features.get();
 }
@@ -143,7 +143,7 @@
   // Check we get the same instruction set features using AT_HWCAP.
   std::unique_ptr<const InstructionSetFeatures> hwcap_features(
       InstructionSetFeatures::FromHwcap());
-  EXPECT_TRUE(hwcap_features->Equals(instruction_set_features.get()))
+  EXPECT_TRUE(hwcap_features->HasAtLeast(instruction_set_features.get()))
       << "Hwcap features: " << *hwcap_features.get()
       << "\nFeatures from build: " << *instruction_set_features.get();
 }
@@ -156,7 +156,7 @@
   // Check we get the same instruction set features using assembly tests.
   std::unique_ptr<const InstructionSetFeatures> assembly_features(
       InstructionSetFeatures::FromAssembly());
-  EXPECT_TRUE(assembly_features->Equals(instruction_set_features.get()))
+  EXPECT_TRUE(assembly_features->HasAtLeast(instruction_set_features.get()))
       << "Assembly features: " << *assembly_features.get()
       << "\nFeatures from build: " << *instruction_set_features.get();
 }
diff --git a/runtime/arch/stub_test.cc b/runtime/arch/stub_test.cc
index 547b57e..9e75cba 100644
--- a/runtime/arch/stub_test.cc
+++ b/runtime/arch/stub_test.cc
@@ -1610,8 +1610,8 @@
   for (size_t i = 0; i < arraysize(values); ++i) {
     // 64 bit FieldSet stores the set value in the second register.
     test->Invoke3WithReferrer(static_cast<size_t>(f->GetDexFieldIndex()),
-                              0U,
                               values[i],
+                              0U,
                               StubTest::GetEntrypoint(self, kQuickSet64Static),
                               self,
                               referrer);
diff --git a/runtime/arch/x86/quick_entrypoints_x86.S b/runtime/arch/x86/quick_entrypoints_x86.S
index c420259..47dc34a 100644
--- a/runtime/arch/x86/quick_entrypoints_x86.S
+++ b/runtime/arch/x86/quick_entrypoints_x86.S
@@ -875,13 +875,12 @@
     DEFINE_FUNCTION VAR(c_name)
     SETUP_SAVE_REFS_ONLY_FRAME ebx, ebx               // save ref containing registers for GC
     // Outgoing argument set up
-    mov FRAME_SIZE_SAVE_REFS_ONLY(%esp), %ecx         // get referrer
-    PUSH eax                                          // push padding
+    subl MACRO_LITERAL(8), %esp                       // alignment padding
+    CFI_ADJUST_CFA_OFFSET(8)
     pushl %fs:THREAD_SELF_OFFSET                      // pass Thread::Current()
     CFI_ADJUST_CFA_OFFSET(4)
-    PUSH ecx                                          // pass referrer
     PUSH eax                                          // pass arg1
-    call CALLVAR(cxx_name)                            // cxx_name(arg1, referrer, Thread*)
+    call CALLVAR(cxx_name)                            // cxx_name(arg1, Thread*)
     addl MACRO_LITERAL(16), %esp                      // pop arguments
     CFI_ADJUST_CFA_OFFSET(-16)
     RESTORE_SAVE_REFS_ONLY_FRAME                      // restore frame up to return address
@@ -893,10 +892,9 @@
     DEFINE_FUNCTION VAR(c_name)
     SETUP_SAVE_REFS_ONLY_FRAME ebx, ebx               // save ref containing registers for GC
     // Outgoing argument set up
-    mov FRAME_SIZE_SAVE_REFS_ONLY(%esp), %edx         // get referrer
+    PUSH eax                                          // alignment padding
     pushl %fs:THREAD_SELF_OFFSET                      // pass Thread::Current()
     CFI_ADJUST_CFA_OFFSET(4)
-    PUSH edx                                          // pass referrer
     PUSH ecx                                          // pass arg2
     PUSH eax                                          // pass arg1
     call CALLVAR(cxx_name)                            // cxx_name(arg1, arg2, referrer, Thread*)
@@ -911,18 +909,13 @@
     DEFINE_FUNCTION VAR(c_name)
     SETUP_SAVE_REFS_ONLY_FRAME ebx, ebx               // save ref containing registers for GC
     // Outgoing argument set up
-    mov FRAME_SIZE_SAVE_REFS_ONLY(%esp), %ebx         // get referrer
-    subl MACRO_LITERAL(12), %esp                      // alignment padding
-    CFI_ADJUST_CFA_OFFSET(12)
     pushl %fs:THREAD_SELF_OFFSET                      // pass Thread::Current()
     CFI_ADJUST_CFA_OFFSET(4)
-    PUSH ebx                                          // pass referrer
     PUSH edx                                          // pass arg3
     PUSH ecx                                          // pass arg2
     PUSH eax                                          // pass arg1
-    call CALLVAR(cxx_name)                            // cxx_name(arg1, arg2, arg3, referrer,
-                                                      //          Thread*)
-    addl LITERAL(32), %esp                            // pop arguments
+    call CALLVAR(cxx_name)                            // cxx_name(arg1, arg2, arg3, Thread*)
+    addl LITERAL(16), %esp                            // pop arguments
     CFI_ADJUST_CFA_OFFSET(-32)
     RESTORE_SAVE_REFS_ONLY_FRAME                      // restore frame up to return address
     CALL_MACRO(return_macro)                          // return or deliver exception
@@ -1556,77 +1549,53 @@
     ret
 END_FUNCTION art_quick_lushr
 
-ONE_ARG_REF_DOWNCALL art_quick_get_boolean_static, artGetBooleanStaticFromCode, RETURN_OR_DELIVER_PENDING_EXCEPTION
-ONE_ARG_REF_DOWNCALL art_quick_get_byte_static, artGetByteStaticFromCode, RETURN_OR_DELIVER_PENDING_EXCEPTION
-ONE_ARG_REF_DOWNCALL art_quick_get_char_static, artGetCharStaticFromCode, RETURN_OR_DELIVER_PENDING_EXCEPTION
-ONE_ARG_REF_DOWNCALL art_quick_get_short_static, artGetShortStaticFromCode, RETURN_OR_DELIVER_PENDING_EXCEPTION
-ONE_ARG_REF_DOWNCALL art_quick_get32_static, artGet32StaticFromCode, RETURN_OR_DELIVER_PENDING_EXCEPTION
-ONE_ARG_REF_DOWNCALL art_quick_get64_static, artGet64StaticFromCode, RETURN_OR_DELIVER_PENDING_EXCEPTION
-ONE_ARG_REF_DOWNCALL art_quick_get_obj_static, artGetObjStaticFromCode, RETURN_OR_DELIVER_PENDING_EXCEPTION
+ONE_ARG_REF_DOWNCALL art_quick_get_boolean_static, artGetBooleanStaticFromCompiledCode, RETURN_OR_DELIVER_PENDING_EXCEPTION
+ONE_ARG_REF_DOWNCALL art_quick_get_byte_static, artGetByteStaticFromCompiledCode, RETURN_OR_DELIVER_PENDING_EXCEPTION
+ONE_ARG_REF_DOWNCALL art_quick_get_char_static, artGetCharStaticFromCompiledCode, RETURN_OR_DELIVER_PENDING_EXCEPTION
+ONE_ARG_REF_DOWNCALL art_quick_get_short_static, artGetShortStaticFromCompiledCode, RETURN_OR_DELIVER_PENDING_EXCEPTION
+ONE_ARG_REF_DOWNCALL art_quick_get32_static, artGet32StaticFromCompiledCode, RETURN_OR_DELIVER_PENDING_EXCEPTION
+ONE_ARG_REF_DOWNCALL art_quick_get64_static, artGet64StaticFromCompiledCode, RETURN_OR_DELIVER_PENDING_EXCEPTION
+ONE_ARG_REF_DOWNCALL art_quick_get_obj_static, artGetObjStaticFromCompiledCode, RETURN_OR_DELIVER_PENDING_EXCEPTION
 
-TWO_ARG_REF_DOWNCALL art_quick_get_boolean_instance, artGetBooleanInstanceFromCode, RETURN_OR_DELIVER_PENDING_EXCEPTION
-TWO_ARG_REF_DOWNCALL art_quick_get_byte_instance, artGetByteInstanceFromCode, RETURN_OR_DELIVER_PENDING_EXCEPTION
-TWO_ARG_REF_DOWNCALL art_quick_get_char_instance, artGetCharInstanceFromCode, RETURN_OR_DELIVER_PENDING_EXCEPTION
-TWO_ARG_REF_DOWNCALL art_quick_get_short_instance, artGetShortInstanceFromCode, RETURN_OR_DELIVER_PENDING_EXCEPTION
-TWO_ARG_REF_DOWNCALL art_quick_get32_instance, artGet32InstanceFromCode, RETURN_OR_DELIVER_PENDING_EXCEPTION
-TWO_ARG_REF_DOWNCALL art_quick_get64_instance, artGet64InstanceFromCode, RETURN_OR_DELIVER_PENDING_EXCEPTION
-TWO_ARG_REF_DOWNCALL art_quick_get_obj_instance, artGetObjInstanceFromCode, RETURN_OR_DELIVER_PENDING_EXCEPTION
+TWO_ARG_REF_DOWNCALL art_quick_get_boolean_instance, artGetBooleanInstanceFromCompiledCode, RETURN_OR_DELIVER_PENDING_EXCEPTION
+TWO_ARG_REF_DOWNCALL art_quick_get_byte_instance, artGetByteInstanceFromCompiledCode, RETURN_OR_DELIVER_PENDING_EXCEPTION
+TWO_ARG_REF_DOWNCALL art_quick_get_char_instance, artGetCharInstanceFromCompiledCode, RETURN_OR_DELIVER_PENDING_EXCEPTION
+TWO_ARG_REF_DOWNCALL art_quick_get_short_instance, artGetShortInstanceFromCompiledCode, RETURN_OR_DELIVER_PENDING_EXCEPTION
+TWO_ARG_REF_DOWNCALL art_quick_get32_instance, artGet32InstanceFromCompiledCode, RETURN_OR_DELIVER_PENDING_EXCEPTION
+TWO_ARG_REF_DOWNCALL art_quick_get64_instance, artGet64InstanceFromCompiledCode, RETURN_OR_DELIVER_PENDING_EXCEPTION
+TWO_ARG_REF_DOWNCALL art_quick_get_obj_instance, artGetObjInstanceFromCompiledCode, RETURN_OR_DELIVER_PENDING_EXCEPTION
 
-TWO_ARG_REF_DOWNCALL art_quick_set8_static, artSet8StaticFromCode, RETURN_IF_EAX_ZERO
-TWO_ARG_REF_DOWNCALL art_quick_set16_static, artSet16StaticFromCode, RETURN_IF_EAX_ZERO
-TWO_ARG_REF_DOWNCALL art_quick_set32_static, artSet32StaticFromCode, RETURN_IF_EAX_ZERO
-TWO_ARG_REF_DOWNCALL art_quick_set_obj_static, artSetObjStaticFromCode, RETURN_IF_EAX_ZERO
+TWO_ARG_REF_DOWNCALL art_quick_set8_static, artSet8StaticFromCompiledCode, RETURN_IF_EAX_ZERO
+TWO_ARG_REF_DOWNCALL art_quick_set16_static, artSet16StaticFromCompiledCode, RETURN_IF_EAX_ZERO
+TWO_ARG_REF_DOWNCALL art_quick_set32_static, artSet32StaticFromCompiledCode, RETURN_IF_EAX_ZERO
+TWO_ARG_REF_DOWNCALL art_quick_set_obj_static, artSetObjStaticFromCompiledCode, RETURN_IF_EAX_ZERO
 
-THREE_ARG_REF_DOWNCALL art_quick_set8_instance, artSet8InstanceFromCode, RETURN_IF_EAX_ZERO
-THREE_ARG_REF_DOWNCALL art_quick_set16_instance, artSet16InstanceFromCode, RETURN_IF_EAX_ZERO
-THREE_ARG_REF_DOWNCALL art_quick_set32_instance, artSet32InstanceFromCode, RETURN_IF_EAX_ZERO
-THREE_ARG_REF_DOWNCALL art_quick_set_obj_instance, artSetObjInstanceFromCode, RETURN_IF_EAX_ZERO
+THREE_ARG_REF_DOWNCALL art_quick_set64_static, artSet64StaticFromCompiledCode, RETURN_IF_EAX_ZERO
+THREE_ARG_REF_DOWNCALL art_quick_set8_instance, artSet8InstanceFromCompiledCode, RETURN_IF_EAX_ZERO
+THREE_ARG_REF_DOWNCALL art_quick_set16_instance, artSet16InstanceFromCompiledCode, RETURN_IF_EAX_ZERO
+THREE_ARG_REF_DOWNCALL art_quick_set32_instance, artSet32InstanceFromCompiledCode, RETURN_IF_EAX_ZERO
+THREE_ARG_REF_DOWNCALL art_quick_set_obj_instance, artSetObjInstanceFromCompiledCode, RETURN_IF_EAX_ZERO
 
-// Call artSet64InstanceFromCode with 4 word size arguments and the referrer.
+// Call artSet64InstanceFromCode with 4 word size arguments.
 DEFINE_FUNCTION art_quick_set64_instance
     movd %ebx, %xmm0
     SETUP_SAVE_REFS_ONLY_FRAME ebx, ebx  // save ref containing registers for GC
     movd %xmm0, %ebx
     // Outgoing argument set up
-    subl LITERAL(8), %esp         // alignment padding
-    CFI_ADJUST_CFA_OFFSET(8)
-    pushl %fs:THREAD_SELF_OFFSET  // pass Thread::Current()
-    CFI_ADJUST_CFA_OFFSET(4)
-    pushl (FRAME_SIZE_SAVE_REFS_ONLY+12)(%esp)  // pass referrer
-    CFI_ADJUST_CFA_OFFSET(4)
-    PUSH ebx                      // pass high half of new_val
-    PUSH edx                      // pass low half of new_val
-    PUSH ecx                      // pass object
-    PUSH eax                      // pass field_idx
-    call SYMBOL(artSet64InstanceFromCode)  // (field_idx, Object*, new_val, referrer, Thread*)
-    addl LITERAL(32), %esp        // pop arguments
-    CFI_ADJUST_CFA_OFFSET(-32)
-    RESTORE_SAVE_REFS_ONLY_FRAME  // restore frame up to return address
-    RETURN_IF_EAX_ZERO            // return or deliver exception
-END_FUNCTION art_quick_set64_instance
-
-// Call artSet64StaticFromCode with 3 word size arguments plus with the referrer in the 2nd position
-// so that new_val is aligned on even registers were we passing arguments in registers.
-DEFINE_FUNCTION art_quick_set64_static
-    // TODO: Implement SETUP_GOT_NOSAVE for got_reg = ecx to avoid moving around the registers.
-    movd %ebx, %xmm0
-    SETUP_SAVE_REFS_ONLY_FRAME  ebx, ebx  // save ref containing registers for GC
-    movd %xmm0, %ebx
-    mov FRAME_SIZE_SAVE_REFS_ONLY(%esp), %ecx  // get referrer
-    subl LITERAL(12), %esp        // alignment padding
+    subl LITERAL(12), %esp         // alignment padding
     CFI_ADJUST_CFA_OFFSET(12)
     pushl %fs:THREAD_SELF_OFFSET  // pass Thread::Current()
     CFI_ADJUST_CFA_OFFSET(4)
     PUSH ebx                      // pass high half of new_val
     PUSH edx                      // pass low half of new_val
-    PUSH ecx                      // pass referrer
+    PUSH ecx                      // pass object
     PUSH eax                      // pass field_idx
-    call SYMBOL(artSet64StaticFromCode)  // (field_idx, referrer, new_val, Thread*)
+    call SYMBOL(artSet64InstanceFromCompiledCode)  // (field_idx, Object*, new_val, Thread*)
     addl LITERAL(32), %esp        // pop arguments
     CFI_ADJUST_CFA_OFFSET(-32)
     RESTORE_SAVE_REFS_ONLY_FRAME  // restore frame up to return address
     RETURN_IF_EAX_ZERO            // return or deliver exception
-END_FUNCTION art_quick_set64_static
+END_FUNCTION art_quick_set64_instance
 
 DEFINE_FUNCTION art_quick_proxy_invoke_handler
     SETUP_SAVE_REFS_AND_ARGS_FRAME_WITH_METHOD_IN_EAX
diff --git a/runtime/arch/x86_64/quick_entrypoints_x86_64.S b/runtime/arch/x86_64/quick_entrypoints_x86_64.S
index f3d4256..b993e33 100644
--- a/runtime/arch/x86_64/quick_entrypoints_x86_64.S
+++ b/runtime/arch/x86_64/quick_entrypoints_x86_64.S
@@ -919,11 +919,10 @@
 
 MACRO3(ONE_ARG_REF_DOWNCALL, c_name, cxx_name, return_macro)
     DEFINE_FUNCTION VAR(c_name)
-    movq 8(%rsp), %rsi                  // pass referrer
     SETUP_SAVE_REFS_ONLY_FRAME
                                         // arg0 is in rdi
-    movq %gs:THREAD_SELF_OFFSET, %rdx   // pass Thread::Current()
-    call CALLVAR(cxx_name)              // cxx_name(arg0, referrer, Thread*)
+    movq %gs:THREAD_SELF_OFFSET, %rsi   // pass Thread::Current()
+    call CALLVAR(cxx_name)              // cxx_name(arg0, Thread*)
     RESTORE_SAVE_REFS_ONLY_FRAME        // restore frame up to return address
     CALL_MACRO(return_macro)
     END_FUNCTION VAR(c_name)
@@ -931,11 +930,10 @@
 
 MACRO3(TWO_ARG_REF_DOWNCALL, c_name, cxx_name, return_macro)
     DEFINE_FUNCTION VAR(c_name)
-    movq 8(%rsp), %rdx                  // pass referrer
     SETUP_SAVE_REFS_ONLY_FRAME
                                         // arg0 and arg1 are in rdi/rsi
-    movq %gs:THREAD_SELF_OFFSET, %rcx   // pass Thread::Current()
-    call CALLVAR(cxx_name)              // (arg0, arg1, referrer, Thread*)
+    movq %gs:THREAD_SELF_OFFSET, %rdx   // pass Thread::Current()
+    call CALLVAR(cxx_name)              // (arg0, arg1, Thread*)
     RESTORE_SAVE_REFS_ONLY_FRAME        // restore frame up to return address
     CALL_MACRO(return_macro)
     END_FUNCTION VAR(c_name)
@@ -943,11 +941,10 @@
 
 MACRO3(THREE_ARG_REF_DOWNCALL, c_name, cxx_name, return_macro)
     DEFINE_FUNCTION VAR(c_name)
-    movq 8(%rsp), %rcx                  // pass referrer
     SETUP_SAVE_REFS_ONLY_FRAME
                                         // arg0, arg1, and arg2 are in rdi/rsi/rdx
-    movq %gs:THREAD_SELF_OFFSET, %r8    // pass Thread::Current()
-    call CALLVAR(cxx_name)              // cxx_name(arg0, arg1, arg2, referrer, Thread*)
+    movq %gs:THREAD_SELF_OFFSET, %rcx   // pass Thread::Current()
+    call CALLVAR(cxx_name)              // cxx_name(arg0, arg1, arg2, Thread*)
     RESTORE_SAVE_REFS_ONLY_FRAME        // restore frame up to return address
     CALL_MACRO(return_macro)            // return or deliver exception
     END_FUNCTION VAR(c_name)
@@ -1288,7 +1285,7 @@
     // Outgoing argument set up
     movl %eax, %edi                             // pass string index
     movq %gs:THREAD_SELF_OFFSET, %rsi           // pass Thread::Current()
-    call SYMBOL(artResolveStringFromCode)       // artResolveStringFromCode(arg0, referrer, Thread*)
+    call SYMBOL(artResolveStringFromCode)       // artResolveStringFromCode(arg0, Thread*)
 
     testl %eax, %eax                            // If result is null, deliver the OOME.
     jz 1f
@@ -1600,45 +1597,33 @@
 UNIMPLEMENTED art_quick_lshr
 UNIMPLEMENTED art_quick_lushr
 
-THREE_ARG_REF_DOWNCALL art_quick_set8_instance, artSet8InstanceFromCode, RETURN_IF_EAX_ZERO
-THREE_ARG_REF_DOWNCALL art_quick_set16_instance, artSet16InstanceFromCode, RETURN_IF_EAX_ZERO
-THREE_ARG_REF_DOWNCALL art_quick_set32_instance, artSet32InstanceFromCode, RETURN_IF_EAX_ZERO
-THREE_ARG_REF_DOWNCALL art_quick_set64_instance, artSet64InstanceFromCode, RETURN_IF_EAX_ZERO
-THREE_ARG_REF_DOWNCALL art_quick_set_obj_instance, artSetObjInstanceFromCode, RETURN_IF_EAX_ZERO
+THREE_ARG_REF_DOWNCALL art_quick_set8_instance, artSet8InstanceFromCompiledCode, RETURN_IF_EAX_ZERO
+THREE_ARG_REF_DOWNCALL art_quick_set16_instance, artSet16InstanceFromCompiledCode, RETURN_IF_EAX_ZERO
+THREE_ARG_REF_DOWNCALL art_quick_set32_instance, artSet32InstanceFromCompiledCode, RETURN_IF_EAX_ZERO
+THREE_ARG_REF_DOWNCALL art_quick_set64_instance, artSet64InstanceFromCompiledCode, RETURN_IF_EAX_ZERO
+THREE_ARG_REF_DOWNCALL art_quick_set_obj_instance, artSetObjInstanceFromCompiledCode, RETURN_IF_EAX_ZERO
 
-TWO_ARG_REF_DOWNCALL art_quick_get_byte_instance, artGetByteInstanceFromCode, RETURN_OR_DELIVER_PENDING_EXCEPTION
-TWO_ARG_REF_DOWNCALL art_quick_get_boolean_instance, artGetBooleanInstanceFromCode, RETURN_OR_DELIVER_PENDING_EXCEPTION
-TWO_ARG_REF_DOWNCALL art_quick_get_short_instance, artGetShortInstanceFromCode, RETURN_OR_DELIVER_PENDING_EXCEPTION
-TWO_ARG_REF_DOWNCALL art_quick_get_char_instance, artGetCharInstanceFromCode, RETURN_OR_DELIVER_PENDING_EXCEPTION
-TWO_ARG_REF_DOWNCALL art_quick_get32_instance, artGet32InstanceFromCode, RETURN_OR_DELIVER_PENDING_EXCEPTION
-TWO_ARG_REF_DOWNCALL art_quick_get64_instance, artGet64InstanceFromCode, RETURN_OR_DELIVER_PENDING_EXCEPTION
-TWO_ARG_REF_DOWNCALL art_quick_get_obj_instance, artGetObjInstanceFromCode, RETURN_OR_DELIVER_PENDING_EXCEPTION
+TWO_ARG_REF_DOWNCALL art_quick_get_byte_instance, artGetByteInstanceFromCompiledCode, RETURN_OR_DELIVER_PENDING_EXCEPTION
+TWO_ARG_REF_DOWNCALL art_quick_get_boolean_instance, artGetBooleanInstanceFromCompiledCode, RETURN_OR_DELIVER_PENDING_EXCEPTION
+TWO_ARG_REF_DOWNCALL art_quick_get_short_instance, artGetShortInstanceFromCompiledCode, RETURN_OR_DELIVER_PENDING_EXCEPTION
+TWO_ARG_REF_DOWNCALL art_quick_get_char_instance, artGetCharInstanceFromCompiledCode, RETURN_OR_DELIVER_PENDING_EXCEPTION
+TWO_ARG_REF_DOWNCALL art_quick_get32_instance, artGet32InstanceFromCompiledCode, RETURN_OR_DELIVER_PENDING_EXCEPTION
+TWO_ARG_REF_DOWNCALL art_quick_get64_instance, artGet64InstanceFromCompiledCode, RETURN_OR_DELIVER_PENDING_EXCEPTION
+TWO_ARG_REF_DOWNCALL art_quick_get_obj_instance, artGetObjInstanceFromCompiledCode, RETURN_OR_DELIVER_PENDING_EXCEPTION
 
-TWO_ARG_REF_DOWNCALL art_quick_set8_static, artSet8StaticFromCode, RETURN_IF_EAX_ZERO
-TWO_ARG_REF_DOWNCALL art_quick_set16_static, artSet16StaticFromCode, RETURN_IF_EAX_ZERO
-TWO_ARG_REF_DOWNCALL art_quick_set32_static, artSet32StaticFromCode, RETURN_IF_EAX_ZERO
-TWO_ARG_REF_DOWNCALL art_quick_set_obj_static, artSetObjStaticFromCode, RETURN_IF_EAX_ZERO
+TWO_ARG_REF_DOWNCALL art_quick_set8_static, artSet8StaticFromCompiledCode, RETURN_IF_EAX_ZERO
+TWO_ARG_REF_DOWNCALL art_quick_set16_static, artSet16StaticFromCompiledCode, RETURN_IF_EAX_ZERO
+TWO_ARG_REF_DOWNCALL art_quick_set32_static, artSet32StaticFromCompiledCode, RETURN_IF_EAX_ZERO
+TWO_ARG_REF_DOWNCALL art_quick_set64_static, artSet64StaticFromCompiledCode, RETURN_OR_DELIVER_PENDING_EXCEPTION
+TWO_ARG_REF_DOWNCALL art_quick_set_obj_static, artSetObjStaticFromCompiledCode, RETURN_IF_EAX_ZERO
 
-ONE_ARG_REF_DOWNCALL art_quick_get_byte_static, artGetByteStaticFromCode, RETURN_OR_DELIVER_PENDING_EXCEPTION
-ONE_ARG_REF_DOWNCALL art_quick_get_boolean_static, artGetBooleanStaticFromCode, RETURN_OR_DELIVER_PENDING_EXCEPTION
-ONE_ARG_REF_DOWNCALL art_quick_get_short_static, artGetShortStaticFromCode, RETURN_OR_DELIVER_PENDING_EXCEPTION
-ONE_ARG_REF_DOWNCALL art_quick_get_char_static, artGetCharStaticFromCode, RETURN_OR_DELIVER_PENDING_EXCEPTION
-ONE_ARG_REF_DOWNCALL art_quick_get32_static, artGet32StaticFromCode, RETURN_OR_DELIVER_PENDING_EXCEPTION
-ONE_ARG_REF_DOWNCALL art_quick_get64_static, artGet64StaticFromCode, RETURN_OR_DELIVER_PENDING_EXCEPTION
-ONE_ARG_REF_DOWNCALL art_quick_get_obj_static, artGetObjStaticFromCode, RETURN_OR_DELIVER_PENDING_EXCEPTION
-
-// This is singled out as the argument order is different.
-DEFINE_FUNCTION art_quick_set64_static
-                                         // new_val is already in %rdx
-    movq 8(%rsp), %rsi                   // pass referrer
-    SETUP_SAVE_REFS_ONLY_FRAME
-                                         // field_idx is in rdi
-    movq %gs:THREAD_SELF_OFFSET, %rcx    // pass Thread::Current()
-    call SYMBOL(artSet64StaticFromCode)  // (field_idx, referrer, new_val, Thread*)
-    RESTORE_SAVE_REFS_ONLY_FRAME         // restore frame up to return address
-    RETURN_IF_EAX_ZERO                   // return or deliver exception
-END_FUNCTION art_quick_set64_static
-
+ONE_ARG_REF_DOWNCALL art_quick_get_byte_static, artGetByteStaticFromCompiledCode, RETURN_OR_DELIVER_PENDING_EXCEPTION
+ONE_ARG_REF_DOWNCALL art_quick_get_boolean_static, artGetBooleanStaticFromCompiledCode, RETURN_OR_DELIVER_PENDING_EXCEPTION
+ONE_ARG_REF_DOWNCALL art_quick_get_short_static, artGetShortStaticFromCompiledCode, RETURN_OR_DELIVER_PENDING_EXCEPTION
+ONE_ARG_REF_DOWNCALL art_quick_get_char_static, artGetCharStaticFromCompiledCode, RETURN_OR_DELIVER_PENDING_EXCEPTION
+ONE_ARG_REF_DOWNCALL art_quick_get32_static, artGet32StaticFromCompiledCode, RETURN_OR_DELIVER_PENDING_EXCEPTION
+ONE_ARG_REF_DOWNCALL art_quick_get64_static, artGet64StaticFromCompiledCode, RETURN_OR_DELIVER_PENDING_EXCEPTION
+ONE_ARG_REF_DOWNCALL art_quick_get_obj_static, artGetObjStaticFromCompiledCode, RETURN_OR_DELIVER_PENDING_EXCEPTION
 
 DEFINE_FUNCTION art_quick_proxy_invoke_handler
     SETUP_SAVE_REFS_AND_ARGS_FRAME_WITH_METHOD_IN_RDI
diff --git a/runtime/art_field-inl.h b/runtime/art_field-inl.h
index 917db3e..80af8e7 100644
--- a/runtime/art_field-inl.h
+++ b/runtime/art_field-inl.h
@@ -132,7 +132,6 @@
   return (object)->GetField ## type(GetOffset());
 
 #define FIELD_SET(object, type, value) \
-  DCHECK_EQ(Primitive::kPrim ## type, GetTypeAsPrimitiveType()) << PrettyField(); \
   DCHECK((object) != nullptr) << PrettyField(); \
   DCHECK(!IsStatic() || ((object) == GetDeclaringClass()) || !Runtime::Current()->IsStarted()); \
   if (UNLIKELY(IsVolatile())) { \
@@ -147,6 +146,12 @@
 
 template<bool kTransactionActive>
 inline void ArtField::SetBoolean(ObjPtr<mirror::Object> object, uint8_t z) {
+  if (kIsDebugBuild) {
+    // For simplicity, this method is being called by the compiler entrypoint for
+    // both boolean and byte fields.
+    Primitive::Type type = GetTypeAsPrimitiveType();
+    DCHECK(type == Primitive::kPrimBoolean || type == Primitive::kPrimByte) << PrettyField();
+  }
   FIELD_SET(object, Boolean, z);
 }
 
@@ -156,6 +161,7 @@
 
 template<bool kTransactionActive>
 inline void ArtField::SetByte(ObjPtr<mirror::Object> object, int8_t b) {
+  DCHECK_EQ(Primitive::kPrimByte, GetTypeAsPrimitiveType()) << PrettyField();
   FIELD_SET(object, Byte, b);
 }
 
@@ -165,6 +171,12 @@
 
 template<bool kTransactionActive>
 inline void ArtField::SetChar(ObjPtr<mirror::Object> object, uint16_t c) {
+  if (kIsDebugBuild) {
+    // For simplicity, this method is being called by the compiler entrypoint for
+    // both char and short fields.
+    Primitive::Type type = GetTypeAsPrimitiveType();
+    DCHECK(type == Primitive::kPrimChar || type == Primitive::kPrimShort) << PrettyField();
+  }
   FIELD_SET(object, Char, c);
 }
 
@@ -174,6 +186,7 @@
 
 template<bool kTransactionActive>
 inline void ArtField::SetShort(ObjPtr<mirror::Object> object, int16_t s) {
+  DCHECK_EQ(Primitive::kPrimShort, GetTypeAsPrimitiveType()) << PrettyField();
   FIELD_SET(object, Short, s);
 }
 
@@ -182,6 +195,8 @@
 
 inline int32_t ArtField::GetInt(ObjPtr<mirror::Object> object) {
   if (kIsDebugBuild) {
+    // For simplicity, this method is being called by the compiler entrypoint for
+    // both int and float fields.
     Primitive::Type type = GetTypeAsPrimitiveType();
     CHECK(type == Primitive::kPrimInt || type == Primitive::kPrimFloat) << PrettyField();
   }
@@ -191,6 +206,8 @@
 template<bool kTransactionActive>
 inline void ArtField::SetInt(ObjPtr<mirror::Object> object, int32_t i) {
   if (kIsDebugBuild) {
+    // For simplicity, this method is being called by the compiler entrypoint for
+    // both int and float fields.
     Primitive::Type type = GetTypeAsPrimitiveType();
     CHECK(type == Primitive::kPrimInt || type == Primitive::kPrimFloat) << PrettyField();
   }
@@ -199,6 +216,8 @@
 
 inline int64_t ArtField::GetLong(ObjPtr<mirror::Object> object) {
   if (kIsDebugBuild) {
+    // For simplicity, this method is being called by the compiler entrypoint for
+    // both long and double fields.
     Primitive::Type type = GetTypeAsPrimitiveType();
     CHECK(type == Primitive::kPrimLong || type == Primitive::kPrimDouble) << PrettyField();
   }
@@ -208,6 +227,8 @@
 template<bool kTransactionActive>
 inline void ArtField::SetLong(ObjPtr<mirror::Object> object, int64_t j) {
   if (kIsDebugBuild) {
+    // For simplicity, this method is being called by the compiler entrypoint for
+    // both long and double fields.
     Primitive::Type type = GetTypeAsPrimitiveType();
     CHECK(type == Primitive::kPrimLong || type == Primitive::kPrimDouble) << PrettyField();
   }
diff --git a/runtime/art_method.cc b/runtime/art_method.cc
index d7d39af..a3d9ba6 100644
--- a/runtime/art_method.cc
+++ b/runtime/art_method.cc
@@ -719,21 +719,7 @@
 }
 
 std::string ArtMethod::JniShortName() {
-  std::string class_name(GetDeclaringClassDescriptor());
-  // Remove the leading 'L' and trailing ';'...
-  CHECK_EQ(class_name[0], 'L') << class_name;
-  CHECK_EQ(class_name[class_name.size() - 1], ';') << class_name;
-  class_name.erase(0, 1);
-  class_name.erase(class_name.size() - 1, 1);
-
-  std::string method_name(GetName());
-
-  std::string short_name;
-  short_name += "Java_";
-  short_name += MangleForJni(class_name);
-  short_name += "_";
-  short_name += MangleForJni(method_name);
-  return short_name;
+  return GetJniShortName(GetDeclaringClassDescriptor(), GetName());
 }
 
 std::string ArtMethod::JniLongName() {
diff --git a/runtime/class_linker.cc b/runtime/class_linker.cc
index abd35f1..02b26c6 100644
--- a/runtime/class_linker.cc
+++ b/runtime/class_linker.cc
@@ -2650,6 +2650,10 @@
                                                             dex_class_def,
                                                             &new_dex_file,
                                                             &new_class_def);
+  // Check to see if an exception happened during runtime callbacks. Return if so.
+  if (self->IsExceptionPending()) {
+    return nullptr;
+  }
   ObjPtr<mirror::DexCache> dex_cache = RegisterDexFile(*new_dex_file, class_loader.Get());
   if (dex_cache == nullptr) {
     self->AssertPendingOOMException();
diff --git a/runtime/entrypoints/entrypoint_utils.cc b/runtime/entrypoints/entrypoint_utils.cc
index 25fd727..06c11f5 100644
--- a/runtime/entrypoints/entrypoint_utils.cc
+++ b/runtime/entrypoints/entrypoint_utils.cc
@@ -254,5 +254,10 @@
   return result;
 }
 
+ArtMethod* GetCalleeSaveOuterMethod(Thread* self, Runtime::CalleeSaveType type) {
+  ScopedAssertNoThreadSuspension ants(__FUNCTION__);
+  ArtMethod** sp = self->GetManagedStack()->GetTopQuickFrame();
+  return DoGetCalleeSaveMethodOuterCallerAndPc(sp, type).first;
+}
 
 }  // namespace art
diff --git a/runtime/entrypoints/entrypoint_utils.h b/runtime/entrypoints/entrypoint_utils.h
index 6a04f20..69ee3eb 100644
--- a/runtime/entrypoints/entrypoint_utils.h
+++ b/runtime/entrypoints/entrypoint_utils.h
@@ -191,6 +191,9 @@
                                                              Runtime::CalleeSaveType type)
     REQUIRES_SHARED(Locks::mutator_lock_);
 
+ArtMethod* GetCalleeSaveOuterMethod(Thread* self, Runtime::CalleeSaveType type)
+    REQUIRES_SHARED(Locks::mutator_lock_);
+
 }  // namespace art
 
 #endif  // ART_RUNTIME_ENTRYPOINTS_ENTRYPOINT_UTILS_H_
diff --git a/runtime/entrypoints/quick/quick_field_entrypoints.cc b/runtime/entrypoints/quick/quick_field_entrypoints.cc
index 6d17000..4544aef 100644
--- a/runtime/entrypoints/quick/quick_field_entrypoints.cc
+++ b/runtime/entrypoints/quick/quick_field_entrypoints.cc
@@ -55,261 +55,207 @@
   return field;
 }
 
-extern "C" ssize_t artGetByteStaticFromCode(uint32_t field_idx, ArtMethod* referrer, Thread* self)
-    REQUIRES_SHARED(Locks::mutator_lock_) {
-  ScopedQuickEntrypointChecks sqec(self);
-  ArtField* field = FindFieldFast(field_idx, referrer, StaticPrimitiveRead, sizeof(int8_t));
-  if (LIKELY(field != nullptr)) {
-    return field->GetByte(field->GetDeclaringClass());
+static ArtMethod* GetReferrer(Thread* self) REQUIRES_SHARED(Locks::mutator_lock_) {
+  if (kIsDebugBuild) {
+    // stub_test doesn't call this code with a proper frame, so get the outer, and if
+    // it does not have compiled code return it.
+    ArtMethod* outer = GetCalleeSaveOuterMethod(self, Runtime::kSaveRefsOnly);
+    if (outer->GetEntryPointFromQuickCompiledCode() == nullptr) {
+      return outer;
+    }
   }
-  field = FindFieldFromCode<StaticPrimitiveRead, true>(field_idx, referrer, self, sizeof(int8_t));
-  if (LIKELY(field != nullptr)) {
-    return field->GetByte(field->GetDeclaringClass());
-  }
-  return 0;  // Will throw exception by checking with Thread::Current.
+  return GetCalleeSaveMethodCallerAndOuterMethod(self, Runtime::kSaveRefsOnly).caller;
 }
 
-extern "C" size_t artGetBooleanStaticFromCode(uint32_t field_idx, ArtMethod* referrer, Thread* self)
+#define ART_GET_FIELD_FROM_CODE(Kind, PrimitiveType, RetType, SetType,         \
+                                PrimitiveOrObject, IsObject, Ptr)              \
+  extern "C" RetType artGet ## Kind ## StaticFromCode(uint32_t field_idx,      \
+                                                      ArtMethod* referrer,     \
+                                                      Thread* self)            \
+      REQUIRES_SHARED(Locks::mutator_lock_) {                                  \
+    ScopedQuickEntrypointChecks sqec(self);                                    \
+    ArtField* field = FindFieldFast(                                           \
+        field_idx, referrer, Static ## PrimitiveOrObject ## Read,              \
+        sizeof(PrimitiveType));                                                \
+    if (LIKELY(field != nullptr)) {                                            \
+      return field->Get ## Kind (field->GetDeclaringClass())Ptr;               \
+    }                                                                          \
+    field = FindFieldFromCode<Static ## PrimitiveOrObject ## Read, true>(      \
+        field_idx, referrer, self, sizeof(PrimitiveType));                     \
+    if (LIKELY(field != nullptr)) {                                            \
+      return field->Get ## Kind (field->GetDeclaringClass())Ptr;               \
+    }                                                                          \
+    /* Will throw exception by checking with Thread::Current. */               \
+    return 0;                                                                  \
+  }                                                                            \
+                                                                               \
+  extern "C" RetType artGet ## Kind ## InstanceFromCode(uint32_t field_idx,    \
+                                                        mirror::Object* obj,   \
+                                                        ArtMethod* referrer,   \
+                                                        Thread* self)          \
+      REQUIRES_SHARED(Locks::mutator_lock_) {                                  \
+    ScopedQuickEntrypointChecks sqec(self);                                    \
+    ArtField* field = FindFieldFast(                                           \
+        field_idx, referrer, Instance ## PrimitiveOrObject ## Read,            \
+        sizeof(PrimitiveType));                                                \
+    if (LIKELY(field != nullptr) && obj != nullptr) {                          \
+      return field->Get ## Kind (obj)Ptr;                                      \
+    }                                                                          \
+    field = FindInstanceField<Instance ## PrimitiveOrObject ## Read, true>(    \
+        field_idx, referrer, self, sizeof(PrimitiveType), &obj);               \
+    if (LIKELY(field != nullptr)) {                                            \
+      return field->Get ## Kind (obj)Ptr;                                      \
+    }                                                                          \
+    /* Will throw exception by checking with Thread::Current. */               \
+    return 0;                                                                  \
+  }                                                                            \
+                                                                               \
+  extern "C" int artSet ## Kind ## StaticFromCode(uint32_t field_idx,          \
+                                                  SetType new_value,           \
+                                                  ArtMethod* referrer,         \
+                                                  Thread* self)                \
+      REQUIRES_SHARED(Locks::mutator_lock_) {                                  \
+    ScopedQuickEntrypointChecks sqec(self);                                    \
+    ArtField* field = FindFieldFast(                                           \
+        field_idx, referrer, Static ## PrimitiveOrObject ## Write,             \
+        sizeof(PrimitiveType));                                                \
+    if (LIKELY(field != nullptr)) {                                            \
+      field->Set ## Kind <false>(field->GetDeclaringClass(), new_value);       \
+      return 0;                                                                \
+    }                                                                          \
+    if (IsObject) {                                                            \
+      StackHandleScope<1> hs(self);                                            \
+      HandleWrapper<mirror::Object> h_obj(hs.NewHandleWrapper(                 \
+          reinterpret_cast<mirror::Object**>(&new_value)));                    \
+      field = FindFieldFromCode<Static ## PrimitiveOrObject ## Write, true>(   \
+          field_idx, referrer, self, sizeof(PrimitiveType));                   \
+    } else {                                                                   \
+      field = FindFieldFromCode<Static ## PrimitiveOrObject ## Write, true>(   \
+          field_idx, referrer, self, sizeof(PrimitiveType));                   \
+    }                                                                          \
+    if (LIKELY(field != nullptr)) {                                            \
+      field->Set ## Kind <false>(field->GetDeclaringClass(), new_value);       \
+      return 0;                                                                \
+    }                                                                          \
+    return -1;                                                                 \
+  }                                                                            \
+                                                                               \
+  extern "C" int artSet ## Kind ## InstanceFromCode(uint32_t field_idx,        \
+                                                    mirror::Object* obj,       \
+                                                    SetType new_value,         \
+                                                    ArtMethod* referrer,       \
+                                                    Thread* self)              \
+    REQUIRES_SHARED(Locks::mutator_lock_) {                                    \
+    ScopedQuickEntrypointChecks sqec(self);                                    \
+    ArtField* field = FindFieldFast(                                           \
+        field_idx, referrer, Instance ## PrimitiveOrObject ## Write,           \
+        sizeof(PrimitiveType));                                                \
+    if (LIKELY(field != nullptr && obj != nullptr)) {                          \
+      field->Set ## Kind <false>(obj, new_value);                              \
+      return 0;                                                                \
+    }                                                                          \
+    if (IsObject) {                                                            \
+      StackHandleScope<1> hs(self);                                            \
+      HandleWrapper<mirror::Object> h_obj(hs.NewHandleWrapper(                 \
+          reinterpret_cast<mirror::Object**>(&new_value)));                    \
+      field = FindInstanceField<Instance ## PrimitiveOrObject ## Write, true>( \
+          field_idx,                                                           \
+          referrer,                                                            \
+          self,                                                                \
+          sizeof(PrimitiveType),                                               \
+          &obj);                                                               \
+    } else {                                                                   \
+      field = FindInstanceField<Instance ## PrimitiveOrObject ## Write, true>( \
+          field_idx,                                                           \
+          referrer,                                                            \
+          self,                                                                \
+          sizeof(PrimitiveType),                                               \
+          &obj);                                                               \
+    }                                                                          \
+    if (LIKELY(field != nullptr)) {                                            \
+      field->Set ## Kind<false>(obj, new_value);                               \
+      return 0;                                                                \
+    }                                                                          \
+    return -1;                                                                 \
+  }                                                                            \
+                                                                               \
+  extern "C" RetType artGet ## Kind ## StaticFromCompiledCode(                 \
+      uint32_t field_idx,                                                      \
+      Thread* self)                                                            \
+      REQUIRES_SHARED(Locks::mutator_lock_) {                                  \
+    return artGet ## Kind ## StaticFromCode(                                   \
+        field_idx, GetReferrer(self), self);                                   \
+  }                                                                            \
+                                                                               \
+  extern "C" RetType artGet ## Kind ## InstanceFromCompiledCode(               \
+      uint32_t field_idx,                                                      \
+      mirror::Object* obj,                                                     \
+      Thread* self)                                                            \
+      REQUIRES_SHARED(Locks::mutator_lock_) {                                  \
+    return artGet ## Kind ## InstanceFromCode(                                 \
+        field_idx, obj, GetReferrer(self), self);                              \
+  }                                                                            \
+                                                                               \
+  extern "C" int artSet ## Kind ## StaticFromCompiledCode(                     \
+      uint32_t field_idx,                                                      \
+      SetType new_value,                                                       \
+      Thread* self)                                                            \
+      REQUIRES_SHARED(Locks::mutator_lock_) {                                  \
+    return artSet ## Kind ## StaticFromCode(                                   \
+        field_idx, new_value, GetReferrer(self), self);                        \
+  }                                                                            \
+                                                                               \
+  extern "C" int artSet ## Kind ## InstanceFromCompiledCode(                   \
+      uint32_t field_idx,                                                      \
+      mirror::Object* obj,                                                     \
+      SetType new_value,                                                       \
+      Thread* self)                                                            \
+      REQUIRES_SHARED(Locks::mutator_lock_) {                                  \
+    return artSet ## Kind ## InstanceFromCode(                                 \
+        field_idx, obj, new_value, GetReferrer(self), self);                   \
+  }
+
+ART_GET_FIELD_FROM_CODE(Byte, int8_t, ssize_t, uint32_t, Primitive, false, )
+ART_GET_FIELD_FROM_CODE(Boolean, int8_t, size_t, uint32_t, Primitive, false, )
+ART_GET_FIELD_FROM_CODE(Short, int16_t, ssize_t, uint16_t, Primitive, false, )
+ART_GET_FIELD_FROM_CODE(Char, int16_t, size_t, uint16_t, Primitive, false, )
+ART_GET_FIELD_FROM_CODE(32, int32_t, size_t, uint32_t, Primitive, false, )
+ART_GET_FIELD_FROM_CODE(64, int64_t, uint64_t, uint64_t, Primitive, false, )
+ART_GET_FIELD_FROM_CODE(Obj, mirror::HeapReference<mirror::Object>, mirror::Object*,
+                        mirror::Object*, Object, true, .Ptr())
+
+
+// To cut on the number of entrypoints, we have shared entries for
+// byte/boolean and char/short for setting an instance or static field. We just
+// forward those to the unsigned variant.
+extern "C" int artSet8StaticFromCompiledCode(uint32_t field_idx,
+                                             uint32_t new_value,
+                                             Thread* self)
     REQUIRES_SHARED(Locks::mutator_lock_) {
-  ScopedQuickEntrypointChecks sqec(self);
-  ArtField* field = FindFieldFast(field_idx, referrer, StaticPrimitiveRead, sizeof(int8_t));
-  if (LIKELY(field != nullptr)) {
-    return field->GetBoolean(field->GetDeclaringClass());
-  }
-  field = FindFieldFromCode<StaticPrimitiveRead, true>(field_idx, referrer, self, sizeof(int8_t));
-  if (LIKELY(field != nullptr)) {
-    return field->GetBoolean(field->GetDeclaringClass());
-  }
-  return 0;  // Will throw exception by checking with Thread::Current.
+  return artSetBooleanStaticFromCode(field_idx, new_value, GetReferrer(self), self);
 }
 
-extern "C" ssize_t artGetShortStaticFromCode(uint32_t field_idx, ArtMethod* referrer, Thread* self)
-    REQUIRES_SHARED(Locks::mutator_lock_) {
-  ScopedQuickEntrypointChecks sqec(self);
-  ArtField* field = FindFieldFast(field_idx, referrer, StaticPrimitiveRead, sizeof(int16_t));
-  if (LIKELY(field != nullptr)) {
-    return field->GetShort(field->GetDeclaringClass());
-  }
-  field = FindFieldFromCode<StaticPrimitiveRead, true>(field_idx, referrer, self, sizeof(int16_t));
-  if (LIKELY(field != nullptr)) {
-    return field->GetShort(field->GetDeclaringClass());
-  }
-  return 0;  // Will throw exception by checking with Thread::Current.
-}
-
-extern "C" size_t artGetCharStaticFromCode(uint32_t field_idx, ArtMethod* referrer, Thread* self)
-    REQUIRES_SHARED(Locks::mutator_lock_) {
-  ScopedQuickEntrypointChecks sqec(self);
-  ArtField* field = FindFieldFast(field_idx, referrer, StaticPrimitiveRead, sizeof(int16_t));
-  if (LIKELY(field != nullptr)) {
-    return field->GetChar(field->GetDeclaringClass());
-  }
-  field = FindFieldFromCode<StaticPrimitiveRead, true>(field_idx, referrer, self, sizeof(int16_t));
-  if (LIKELY(field != nullptr)) {
-    return field->GetChar(field->GetDeclaringClass());
-  }
-  return 0;  // Will throw exception by checking with Thread::Current.
-}
-
-extern "C" size_t artGet32StaticFromCode(uint32_t field_idx, ArtMethod* referrer, Thread* self)
-    REQUIRES_SHARED(Locks::mutator_lock_) {
-  ScopedQuickEntrypointChecks sqec(self);
-  ArtField* field = FindFieldFast(field_idx, referrer, StaticPrimitiveRead, sizeof(int32_t));
-  if (LIKELY(field != nullptr)) {
-    return field->Get32(field->GetDeclaringClass());
-  }
-  field = FindFieldFromCode<StaticPrimitiveRead, true>(field_idx, referrer, self, sizeof(int32_t));
-  if (LIKELY(field != nullptr)) {
-    return field->Get32(field->GetDeclaringClass());
-  }
-  return 0;  // Will throw exception by checking with Thread::Current.
-}
-
-extern "C" uint64_t artGet64StaticFromCode(uint32_t field_idx,
-                                           ArtMethod* referrer,
-                                           Thread* self)
-    REQUIRES_SHARED(Locks::mutator_lock_) {
-  ScopedQuickEntrypointChecks sqec(self);
-  ArtField* field = FindFieldFast(field_idx, referrer, StaticPrimitiveRead, sizeof(int64_t));
-  if (LIKELY(field != nullptr)) {
-    return field->Get64(field->GetDeclaringClass());
-  }
-  field = FindFieldFromCode<StaticPrimitiveRead, true>(field_idx, referrer, self, sizeof(int64_t));
-  if (LIKELY(field != nullptr)) {
-    return field->Get64(field->GetDeclaringClass());
-  }
-  return 0;  // Will throw exception by checking with Thread::Current.
-}
-
-extern "C" mirror::Object* artGetObjStaticFromCode(uint32_t field_idx,
-                                                   ArtMethod* referrer,
-                                                   Thread* self)
-    REQUIRES_SHARED(Locks::mutator_lock_) {
-  ScopedQuickEntrypointChecks sqec(self);
-  ArtField* field = FindFieldFast(field_idx,
-                                  referrer,
-                                  StaticObjectRead,
-                                  sizeof(mirror::HeapReference<mirror::Object>));
-  if (LIKELY(field != nullptr)) {
-    return field->GetObj(field->GetDeclaringClass()).Ptr();
-  }
-  field = FindFieldFromCode<StaticObjectRead, true>(field_idx,
-                                                    referrer,
-                                                    self,
-                                                    sizeof(mirror::HeapReference<mirror::Object>));
-  if (LIKELY(field != nullptr)) {
-    return field->GetObj(field->GetDeclaringClass()).Ptr();
-  }
-  return nullptr;  // Will throw exception by checking with Thread::Current.
-}
-
-extern "C" ssize_t artGetByteInstanceFromCode(uint32_t field_idx,
-                                              mirror::Object* obj,
-                                              ArtMethod* referrer,
+extern "C" int artSet16StaticFromCompiledCode(uint32_t field_idx,
+                                              uint16_t new_value,
                                               Thread* self)
     REQUIRES_SHARED(Locks::mutator_lock_) {
-  ScopedQuickEntrypointChecks sqec(self);
-  ArtField* field = FindFieldFast(field_idx, referrer, InstancePrimitiveRead, sizeof(int8_t));
-  if (LIKELY(field != nullptr && obj != nullptr)) {
-    return field->GetByte(obj);
-  }
-  field = FindInstanceField<InstancePrimitiveRead, true>(field_idx,
-                                                         referrer,
-                                                         self,
-                                                         sizeof(int8_t),
-                                                         &obj);
-  if (LIKELY(field != nullptr)) {
-    return field->GetByte(obj);
-  }
-  return 0;  // Will throw exception by checking with Thread::Current.
+  return artSetCharStaticFromCode(field_idx, new_value, GetReferrer(self), self);
 }
 
-extern "C" size_t artGetBooleanInstanceFromCode(uint32_t field_idx,
-                                                mirror::Object* obj,
-                                                ArtMethod* referrer,
-                                                Thread* self)
-    REQUIRES_SHARED(Locks::mutator_lock_) {
-  ScopedQuickEntrypointChecks sqec(self);
-  ArtField* field = FindFieldFast(field_idx, referrer, InstancePrimitiveRead, sizeof(int8_t));
-  if (LIKELY(field != nullptr && obj != nullptr)) {
-    return field->GetBoolean(obj);
-  }
-  field = FindInstanceField<InstancePrimitiveRead, true>(field_idx,
-                                                         referrer,
-                                                         self,
-                                                         sizeof(int8_t),
-                                                         &obj);
-  if (LIKELY(field != nullptr)) {
-    return field->GetBoolean(obj);
-  }
-  return 0;  // Will throw exception by checking with Thread::Current.
-}
-extern "C" ssize_t artGetShortInstanceFromCode(uint32_t field_idx,
+extern "C" int artSet8InstanceFromCompiledCode(uint32_t field_idx,
                                                mirror::Object* obj,
-                                               ArtMethod* referrer,
+                                               uint8_t new_value,
                                                Thread* self)
     REQUIRES_SHARED(Locks::mutator_lock_) {
-  ScopedQuickEntrypointChecks sqec(self);
-  ArtField* field = FindFieldFast(field_idx, referrer, InstancePrimitiveRead, sizeof(int16_t));
-  if (LIKELY(field != nullptr && obj != nullptr)) {
-    return field->GetShort(obj);
-  }
-  field = FindInstanceField<InstancePrimitiveRead, true>(field_idx,
-                                                         referrer,
-                                                         self,
-                                                         sizeof(int16_t),
-                                                         &obj);
-  if (LIKELY(field != nullptr)) {
-    return field->GetShort(obj);
-  }
-  return 0;  // Will throw exception by checking with Thread::Current.
+  return artSetBooleanInstanceFromCode(field_idx, obj, new_value, GetReferrer(self), self);
 }
 
-extern "C" size_t artGetCharInstanceFromCode(uint32_t field_idx,
-                                             mirror::Object* obj,
-                                             ArtMethod* referrer,
-                                             Thread* self)
+extern "C" int artSet16InstanceFromCompiledCode(uint32_t field_idx,
+                                                mirror::Object* obj,
+                                                uint16_t new_value,
+                                                Thread* self)
     REQUIRES_SHARED(Locks::mutator_lock_) {
-  ScopedQuickEntrypointChecks sqec(self);
-  ArtField* field = FindFieldFast(field_idx, referrer, InstancePrimitiveRead, sizeof(int16_t));
-  if (LIKELY(field != nullptr && obj != nullptr)) {
-    return field->GetChar(obj);
-  }
-  field = FindInstanceField<InstancePrimitiveRead, true>(field_idx,
-                                                         referrer,
-                                                         self,
-                                                         sizeof(int16_t),
-                                                         &obj);
-  if (LIKELY(field != nullptr)) {
-    return field->GetChar(obj);
-  }
-  return 0;  // Will throw exception by checking with Thread::Current.
-}
-
-extern "C" size_t artGet32InstanceFromCode(uint32_t field_idx,
-                                           mirror::Object* obj,
-                                           ArtMethod* referrer,
-                                           Thread* self)
-    REQUIRES_SHARED(Locks::mutator_lock_) {
-  ScopedQuickEntrypointChecks sqec(self);
-  ArtField* field = FindFieldFast(field_idx, referrer, InstancePrimitiveRead, sizeof(int32_t));
-  if (LIKELY(field != nullptr && obj != nullptr)) {
-    return field->Get32(obj);
-  }
-  field = FindInstanceField<InstancePrimitiveRead, true>(field_idx,
-                                                         referrer,
-                                                         self,
-                                                         sizeof(int32_t),
-                                                         &obj);
-  if (LIKELY(field != nullptr)) {
-    return field->Get32(obj);
-  }
-  return 0;  // Will throw exception by checking with Thread::Current.
-}
-
-extern "C" uint64_t artGet64InstanceFromCode(uint32_t field_idx,
-                                             mirror::Object* obj,
-                                             ArtMethod* referrer,
-                                             Thread* self)
-    REQUIRES_SHARED(Locks::mutator_lock_) {
-  ScopedQuickEntrypointChecks sqec(self);
-  ArtField* field = FindFieldFast(field_idx, referrer, InstancePrimitiveRead, sizeof(int64_t));
-  if (LIKELY(field != nullptr && obj != nullptr)) {
-    return field->Get64(obj);
-  }
-  field = FindInstanceField<InstancePrimitiveRead, true>(field_idx,
-                                                         referrer,
-                                                         self,
-                                                         sizeof(int64_t),
-                                                         &obj);
-  if (LIKELY(field != nullptr)) {
-    return field->Get64(obj);
-  }
-  return 0;  // Will throw exception by checking with Thread::Current.
-}
-
-extern "C" mirror::Object* artGetObjInstanceFromCode(uint32_t field_idx,
-                                                     mirror::Object* obj,
-                                                     ArtMethod* referrer,
-                                                     Thread* self)
-    REQUIRES_SHARED(Locks::mutator_lock_) {
-  ScopedQuickEntrypointChecks sqec(self);
-  ArtField* field = FindFieldFast(field_idx,
-                                  referrer,
-                                  InstanceObjectRead,
-                                  sizeof(mirror::HeapReference<mirror::Object>));
-  if (LIKELY(field != nullptr && obj != nullptr)) {
-    return field->GetObj(obj).Ptr();
-  }
-  field = FindInstanceField<InstanceObjectRead, true>(field_idx,
-                                                      referrer,
-                                                      self,
-                                                      sizeof(mirror::HeapReference<mirror::Object>),
-                                                      &obj);
-  if (LIKELY(field != nullptr)) {
-    return field->GetObj(obj).Ptr();
-  }
-  return nullptr;  // Will throw exception by checking with Thread::Current.
+  return artSetCharInstanceFromCode(field_idx, obj, new_value, GetReferrer(self), self);
 }
 
 extern "C" int artSet8StaticFromCode(uint32_t field_idx,
@@ -317,32 +263,7 @@
                                      ArtMethod* referrer,
                                      Thread* self)
     REQUIRES_SHARED(Locks::mutator_lock_) {
-  ScopedQuickEntrypointChecks sqec(self);
-  ArtField* field = FindFieldFast(field_idx, referrer, StaticPrimitiveWrite, sizeof(int8_t));
-  if (LIKELY(field != nullptr)) {
-    Primitive::Type type = field->GetTypeAsPrimitiveType();
-    // Compiled code can't use transactional mode.
-    if (type == Primitive::kPrimBoolean) {
-      field->SetBoolean<false>(field->GetDeclaringClass(), new_value);
-    } else {
-      DCHECK_EQ(Primitive::kPrimByte, type);
-      field->SetByte<false>(field->GetDeclaringClass(), new_value);
-    }
-    return 0;  // success
-  }
-  field = FindFieldFromCode<StaticPrimitiveWrite, true>(field_idx, referrer, self, sizeof(int8_t));
-  if (LIKELY(field != nullptr)) {
-    Primitive::Type type = field->GetTypeAsPrimitiveType();
-    // Compiled code can't use transactional mode.
-    if (type == Primitive::kPrimBoolean) {
-      field->SetBoolean<false>(field->GetDeclaringClass(), new_value);
-    } else {
-      DCHECK_EQ(Primitive::kPrimByte, type);
-      field->SetByte<false>(field->GetDeclaringClass(), new_value);
-    }
-    return 0;  // success
-  }
-  return -1;  // failure
+  return artSetBooleanStaticFromCode(field_idx, new_value, referrer, self);
 }
 
 extern "C" int artSet16StaticFromCode(uint32_t field_idx,
@@ -350,108 +271,7 @@
                                       ArtMethod* referrer,
                                       Thread* self)
     REQUIRES_SHARED(Locks::mutator_lock_) {
-  ScopedQuickEntrypointChecks sqec(self);
-  ArtField* field = FindFieldFast(field_idx, referrer, StaticPrimitiveWrite, sizeof(int16_t));
-  if (LIKELY(field != nullptr)) {
-    Primitive::Type type = field->GetTypeAsPrimitiveType();
-    // Compiled code can't use transactional mode.
-    if (type == Primitive::kPrimChar) {
-      field->SetChar<false>(field->GetDeclaringClass(), new_value);
-    } else {
-      DCHECK_EQ(Primitive::kPrimShort, type);
-      field->SetShort<false>(field->GetDeclaringClass(), new_value);
-    }
-    return 0;  // success
-  }
-  field = FindFieldFromCode<StaticPrimitiveWrite, true>(field_idx, referrer, self, sizeof(int16_t));
-  if (LIKELY(field != nullptr)) {
-    Primitive::Type type = field->GetTypeAsPrimitiveType();
-    // Compiled code can't use transactional mode.
-    if (type == Primitive::kPrimChar) {
-      field->SetChar<false>(field->GetDeclaringClass(), new_value);
-    } else {
-      DCHECK_EQ(Primitive::kPrimShort, type);
-      field->SetShort<false>(field->GetDeclaringClass(), new_value);
-    }
-    return 0;  // success
-  }
-  return -1;  // failure
-}
-
-extern "C" int artSet32StaticFromCode(uint32_t field_idx,
-                                      uint32_t new_value,
-                                      ArtMethod* referrer,
-                                      Thread* self)
-    REQUIRES_SHARED(Locks::mutator_lock_) {
-  ScopedQuickEntrypointChecks sqec(self);
-  ArtField* field = FindFieldFast(field_idx, referrer, StaticPrimitiveWrite, sizeof(int32_t));
-  if (LIKELY(field != nullptr)) {
-    // Compiled code can't use transactional mode.
-    field->Set32<false>(field->GetDeclaringClass(), new_value);
-    return 0;  // success
-  }
-  field = FindFieldFromCode<StaticPrimitiveWrite, true>(field_idx, referrer, self, sizeof(int32_t));
-  if (LIKELY(field != nullptr)) {
-    // Compiled code can't use transactional mode.
-    field->Set32<false>(field->GetDeclaringClass(), new_value);
-    return 0;  // success
-  }
-  return -1;  // failure
-}
-
-extern "C" int artSet64StaticFromCode(uint32_t field_idx,
-                                      ArtMethod* referrer,
-                                      uint64_t new_value,
-                                      Thread* self)
-    REQUIRES_SHARED(Locks::mutator_lock_) {
-  ScopedQuickEntrypointChecks sqec(self);
-  ArtField* field = FindFieldFast(field_idx, referrer, StaticPrimitiveWrite, sizeof(int64_t));
-  if (LIKELY(field != nullptr)) {
-    // Compiled code can't use transactional mode.
-    field->Set64<false>(field->GetDeclaringClass(), new_value);
-    return 0;  // success
-  }
-  field = FindFieldFromCode<StaticPrimitiveWrite, true>(field_idx, referrer, self, sizeof(int64_t));
-  if (LIKELY(field != nullptr)) {
-    // Compiled code can't use transactional mode.
-    field->Set64<false>(field->GetDeclaringClass(), new_value);
-    return 0;  // success
-  }
-  return -1;  // failure
-}
-
-extern "C" int artSetObjStaticFromCode(uint32_t field_idx,
-                                       mirror::Object* new_value,
-                                       ArtMethod* referrer,
-                                       Thread* self)
-    REQUIRES_SHARED(Locks::mutator_lock_) {
-  ScopedQuickEntrypointChecks sqec(self);
-  ArtField* field = FindFieldFast(field_idx,
-                                  referrer,
-                                  StaticObjectWrite,
-                                  sizeof(mirror::HeapReference<mirror::Object>));
-  if (LIKELY(field != nullptr)) {
-    if (LIKELY(!field->IsPrimitiveType())) {
-      // Compiled code can't use transactional mode.
-      field->SetObj<false>(field->GetDeclaringClass(), new_value);
-      return 0;  // success
-    }
-  }
-  {
-    StackHandleScope<1> hs(self);
-    HandleWrapper<mirror::Object> h_obj(hs.NewHandleWrapper(&new_value));
-    field = FindFieldFromCode<StaticObjectWrite, true>(
-        field_idx,
-        referrer,
-        self,
-        sizeof(mirror::HeapReference<mirror::Object>));
-  }
-  if (LIKELY(field != nullptr)) {
-    // Compiled code can't use transactional mode.
-    field->SetObj<false>(field->GetDeclaringClass(), new_value);
-    return 0;  // success
-  }
-  return -1;  // failure
+  return artSetCharStaticFromCode(field_idx, new_value, referrer, self);
 }
 
 extern "C" int artSet8InstanceFromCode(uint32_t field_idx,
@@ -460,35 +280,7 @@
                                        ArtMethod* referrer,
                                        Thread* self)
     REQUIRES_SHARED(Locks::mutator_lock_) {
-  ScopedQuickEntrypointChecks sqec(self);
-  ArtField* field = FindFieldFast(field_idx, referrer, InstancePrimitiveWrite, sizeof(int8_t));
-  if (LIKELY(field != nullptr && obj != nullptr)) {
-    Primitive::Type type = field->GetTypeAsPrimitiveType();
-    // Compiled code can't use transactional mode.
-    if (type == Primitive::kPrimBoolean) {
-      field->SetBoolean<false>(obj, new_value);
-    } else {
-      DCHECK_EQ(Primitive::kPrimByte, type);
-      field->SetByte<false>(obj, new_value);
-    }
-    return 0;  // success
-  }
-  field = FindInstanceField<InstancePrimitiveWrite, true>(field_idx,
-                                                          referrer,
-                                                          self,
-                                                          sizeof(int8_t),
-                                                          &obj);
-  if (LIKELY(field != nullptr)) {
-    Primitive::Type type = field->GetTypeAsPrimitiveType();
-    // Compiled code can't use transactional mode.
-    if (type == Primitive::kPrimBoolean) {
-      field->SetBoolean<false>(obj, new_value);
-    } else {
-      field->SetByte<false>(obj, new_value);
-    }
-    return 0;  // success
-  }
-  return -1;  // failure
+  return artSetBooleanInstanceFromCode(field_idx, obj, new_value, referrer, self);
 }
 
 extern "C" int artSet16InstanceFromCode(uint32_t field_idx,
@@ -497,126 +289,7 @@
                                         ArtMethod* referrer,
                                         Thread* self)
     REQUIRES_SHARED(Locks::mutator_lock_) {
-  ScopedQuickEntrypointChecks sqec(self);
-  ArtField* field = FindFieldFast(field_idx, referrer, InstancePrimitiveWrite, sizeof(int16_t));
-  if (LIKELY(field != nullptr && obj != nullptr)) {
-    Primitive::Type type = field->GetTypeAsPrimitiveType();
-    // Compiled code can't use transactional mode.
-    if (type == Primitive::kPrimChar) {
-      field->SetChar<false>(obj, new_value);
-    } else {
-      DCHECK_EQ(Primitive::kPrimShort, type);
-      field->SetShort<false>(obj, new_value);
-    }
-    return 0;  // success
-  }
-  field = FindInstanceField<InstancePrimitiveWrite, true>(field_idx,
-                                                          referrer,
-                                                          self,
-                                                          sizeof(int16_t),
-                                                          &obj);
-  if (LIKELY(field != nullptr)) {
-    Primitive::Type type = field->GetTypeAsPrimitiveType();
-    // Compiled code can't use transactional mode.
-    if (type == Primitive::kPrimChar) {
-      field->SetChar<false>(obj, new_value);
-    } else {
-      DCHECK_EQ(Primitive::kPrimShort, type);
-      field->SetShort<false>(obj, new_value);
-    }
-    return 0;  // success
-  }
-  return -1;  // failure
-}
-
-extern "C" int artSet32InstanceFromCode(uint32_t field_idx,
-                                        mirror::Object* obj,
-                                        uint32_t new_value,
-                                        ArtMethod* referrer,
-                                        Thread* self)
-    REQUIRES_SHARED(Locks::mutator_lock_) {
-  ScopedQuickEntrypointChecks sqec(self);
-  ArtField* field = FindFieldFast(field_idx, referrer, InstancePrimitiveWrite, sizeof(int32_t));
-  if (LIKELY(field != nullptr && obj != nullptr)) {
-    // Compiled code can't use transactional mode.
-    field->Set32<false>(obj, new_value);
-    return 0;  // success
-  }
-  field = FindInstanceField<InstancePrimitiveWrite, true>(field_idx,
-                                                          referrer,
-                                                          self,
-                                                          sizeof(int32_t),
-                                                          &obj);
-  if (LIKELY(field != nullptr)) {
-    // Compiled code can't use transactional mode.
-    field->Set32<false>(obj, new_value);
-    return 0;  // success
-  }
-  return -1;  // failure
-}
-
-extern "C" int artSet64InstanceFromCode(uint32_t field_idx,
-                                        mirror::Object* obj,
-                                        uint64_t new_value,
-                                        ArtMethod* referrer,
-                                        Thread* self)
-    REQUIRES_SHARED(Locks::mutator_lock_) {
-  ScopedQuickEntrypointChecks sqec(self);
-  ArtField* field = FindFieldFast(field_idx, referrer, InstancePrimitiveWrite, sizeof(int64_t));
-  if (LIKELY(field != nullptr  && obj != nullptr)) {
-    // Compiled code can't use transactional mode.
-    field->Set64<false>(obj, new_value);
-    return 0;  // success
-  }
-  field = FindInstanceField<InstancePrimitiveWrite, true>(field_idx,
-                                                          referrer,
-                                                          self,
-                                                          sizeof(int64_t),
-                                                          &obj);
-  if (LIKELY(field != nullptr)) {
-    // Compiled code can't use transactional mode.
-    field->Set64<false>(obj, new_value);
-    return 0;
-  }
-  return -1;  // failure
-}
-
-extern "C" int artSetObjInstanceFromCode(uint32_t field_idx,
-                                         mirror::Object* obj,
-                                         mirror::Object* new_value,
-                                         ArtMethod* referrer,
-                                         Thread* self)
-    REQUIRES_SHARED(Locks::mutator_lock_) {
-  ScopedQuickEntrypointChecks sqec(self);
-  ArtField* field = FindFieldFast(field_idx,
-                                  referrer,
-                                  InstanceObjectWrite,
-                                  sizeof(mirror::HeapReference<mirror::Object>));
-  if (LIKELY(field != nullptr && obj != nullptr)) {
-    // Compiled code can't use transactional mode.
-    field->SetObj<false>(obj, new_value);
-    return 0;  // success
-  }
-  {
-    StackHandleScope<2> hs(self);
-    HandleWrapper<mirror::Object> h_obj(hs.NewHandleWrapper(&obj));
-    HandleWrapper<mirror::Object> h_new_value(hs.NewHandleWrapper(&new_value));
-    field = FindFieldFromCode<InstanceObjectWrite, true>(
-        field_idx,
-        referrer,
-        self,
-        sizeof(mirror::HeapReference<mirror::Object>));
-  }
-  if (LIKELY(field != nullptr)) {
-    if (UNLIKELY(obj == nullptr)) {
-      ThrowNullPointerExceptionForFieldAccess(field, false);
-    } else {
-      // Compiled code can't use transactional mode.
-      field->SetObj<false>(obj, new_value);
-      return 0;  // success
-    }
-  }
-  return -1;  // failure
+  return artSetCharInstanceFromCode(field_idx, obj, new_value, referrer, self);
 }
 
 extern "C" mirror::Object* artReadBarrierMark(mirror::Object* obj) {
diff --git a/runtime/experimental_flags.h b/runtime/experimental_flags.h
index 5ddb9fa..0471c96 100644
--- a/runtime/experimental_flags.h
+++ b/runtime/experimental_flags.h
@@ -26,8 +26,6 @@
   // The actual flag values.
   enum {
     kNone           = 0x0000,
-    kAgents         = 0x0001,  // 0b00000001
-    kRuntimePlugins = 0x0002,  // 0b00000010
     kMethodHandles  = 0x0004,  // 0b00000100
   };
 
@@ -67,14 +65,6 @@
 
 inline std::ostream& operator<<(std::ostream& stream, const ExperimentalFlags& e) {
   bool started = false;
-  if (e & ExperimentalFlags::kAgents) {
-    stream << (started ? "|" : "") << "kAgents";
-    started = true;
-  }
-  if (e & ExperimentalFlags::kRuntimePlugins) {
-    stream << (started ? "|" : "") << "kRuntimePlugins";
-    started = true;
-  }
   if (e & ExperimentalFlags::kMethodHandles) {
     stream << (started ? "|" : "") << "kMethodHandles";
     started = true;
diff --git a/runtime/memory_region.cc b/runtime/memory_region.cc
index a5c70c3..5bf0f40 100644
--- a/runtime/memory_region.cc
+++ b/runtime/memory_region.cc
@@ -33,4 +33,36 @@
           from.pointer(), from.size());
 }
 
+void MemoryRegion::StoreBits(uintptr_t bit_offset, uint32_t value, size_t length) {
+  DCHECK_LE(value, MaxInt<uint32_t>(length));
+  DCHECK_LE(length, BitSizeOf<uint32_t>());
+  DCHECK_LE(bit_offset + length, size_in_bits());
+  if (length == 0) {
+    return;
+  }
+  // Bits are stored in this order {7 6 5 4 3 2 1 0}.
+  // How many remaining bits in current byte is (bit_offset % kBitsPerByte) + 1.
+  uint8_t* out = ComputeInternalPointer<uint8_t>(bit_offset >> kBitsPerByteLog2);
+  auto orig_len = length;
+  auto orig_value = value;
+  uintptr_t bit_remainder = bit_offset % kBitsPerByte;
+  while (true) {
+    const uintptr_t remaining_bits = kBitsPerByte - bit_remainder;
+    if (length <= remaining_bits) {
+      // Length is smaller than all of remainder bits.
+      size_t mask = ((1 << length) - 1) << bit_remainder;
+      *out = (*out & ~mask) | (value << bit_remainder);
+      break;
+    }
+    // Copy remaining bits in current byte.
+    size_t value_mask = (1 << remaining_bits) - 1;
+    *out = (*out & ~(value_mask << bit_remainder)) | ((value & value_mask) << bit_remainder);
+    value >>= remaining_bits;
+    bit_remainder = 0;
+    length -= remaining_bits;
+    ++out;
+  }
+  DCHECK_EQ(LoadBits(bit_offset, orig_len), orig_value) << bit_offset << " " << orig_len;
+}
+
 }  // namespace art
diff --git a/runtime/memory_region.h b/runtime/memory_region.h
index fe3f917..f55dff7 100644
--- a/runtime/memory_region.h
+++ b/runtime/memory_region.h
@@ -124,11 +124,35 @@
   // The bit at the smallest offset is the least significant bit in the
   // loaded value.  `length` must not be larger than the number of bits
   // contained in the return value (32).
-  uint32_t LoadBits(uintptr_t bit_offset, size_t length) const {
-    CHECK_LE(length, sizeof(uint32_t) * kBitsPerByte);
-    uint32_t value = 0u;
+  ALWAYS_INLINE uint32_t LoadBits(uintptr_t bit_offset, size_t length) const {
+    DCHECK_LE(length, BitSizeOf<uint32_t>());
+    DCHECK_LE(bit_offset + length, size_in_bits());
+    if (UNLIKELY(length == 0)) {
+      // Do not touch any memory if the range is empty.
+      return 0;
+    }
+    const uint8_t* address = start() + bit_offset / kBitsPerByte;
+    const uint32_t shift = bit_offset & (kBitsPerByte - 1);
+    // Load the value (reading only the strictly needed bytes).
+    const uint32_t load_bit_count = shift + length;
+    uint32_t value = address[0] >> shift;
+    if (load_bit_count > 8) {
+      value |= static_cast<uint32_t>(address[1]) << (8 - shift);
+      if (load_bit_count > 16) {
+        value |= static_cast<uint32_t>(address[2]) << (16 - shift);
+        if (load_bit_count > 24) {
+          value |= static_cast<uint32_t>(address[3]) << (24 - shift);
+          if (load_bit_count > 32) {
+            value |= static_cast<uint32_t>(address[4]) << (32 - shift);
+          }
+        }
+      }
+    }
+    // Clear unwanted most significant bits.
+    uint32_t clear_bit_count = BitSizeOf(value) - length;
+    value = (value << clear_bit_count) >> clear_bit_count;
     for (size_t i = 0; i < length; ++i) {
-      value |= LoadBit(bit_offset + i) << i;
+      DCHECK_EQ((value >> i) & 1, LoadBit(bit_offset + i));
     }
     return value;
   }
@@ -137,13 +161,7 @@
   // `bit_offset`.  The bit at the smallest offset is the least significant
   // bit of the stored `value`.  `value` must not be larger than `length`
   // bits.
-  void StoreBits(uintptr_t bit_offset, uint32_t value, size_t length) {
-    CHECK_LE(value, MaxInt<uint32_t>(length));
-    for (size_t i = 0; i < length; ++i) {
-      bool ith_bit = value & (1 << i);
-      StoreBit(bit_offset + i, ith_bit);
-    }
-  }
+  void StoreBits(uintptr_t bit_offset, uint32_t value, size_t length);
 
   void CopyFrom(size_t offset, const MemoryRegion& from) const;
 
diff --git a/runtime/mirror/array-inl.h b/runtime/mirror/array-inl.h
index a5db0c0..f56226b 100644
--- a/runtime/mirror/array-inl.h
+++ b/runtime/mirror/array-inl.h
@@ -207,6 +207,19 @@
 }
 
 template<typename T>
+inline PrimitiveArray<T>* PrimitiveArray<T>::AllocateAndFill(Thread* self,
+                                                             const T* data,
+                                                             size_t length) {
+  StackHandleScope<1> hs(self);
+  Handle<PrimitiveArray<T>> arr(hs.NewHandle(PrimitiveArray<T>::Alloc(self, length)));
+  if (!arr.IsNull()) {
+    // Copy it in. Just skip if it's null
+    memcpy(arr->GetData(), data, sizeof(T) * length);
+  }
+  return arr.Get();
+}
+
+template<typename T>
 inline PrimitiveArray<T>* PrimitiveArray<T>::Alloc(Thread* self, size_t length) {
   Array* raw_array = Array::Alloc<true>(self,
                                         GetArrayClass(),
diff --git a/runtime/mirror/array.h b/runtime/mirror/array.h
index 19d300e..16cf30f 100644
--- a/runtime/mirror/array.h
+++ b/runtime/mirror/array.h
@@ -119,6 +119,10 @@
   static PrimitiveArray<T>* Alloc(Thread* self, size_t length)
       REQUIRES_SHARED(Locks::mutator_lock_) REQUIRES(!Roles::uninterruptible_);
 
+  static PrimitiveArray<T>* AllocateAndFill(Thread* self, const T* data, size_t length)
+      REQUIRES_SHARED(Locks::mutator_lock_) REQUIRES(!Roles::uninterruptible_);
+
+
   const T* GetData() const ALWAYS_INLINE  REQUIRES_SHARED(Locks::mutator_lock_) {
     return reinterpret_cast<const T*>(GetRawData(sizeof(T), 0));
   }
diff --git a/runtime/monitor.cc b/runtime/monitor.cc
index 071b0e2..0ceb23a 100644
--- a/runtime/monitor.cc
+++ b/runtime/monitor.cc
@@ -303,6 +303,7 @@
                                           ArtMethod* owners_method,
                                           uint32_t owners_dex_pc,
                                           size_t num_waiters) {
+  Locks::mutator_lock_->AssertSharedHeld(Thread::Current());
   const char* owners_filename;
   int32_t owners_line_number = 0;
   if (owners_method != nullptr) {
@@ -359,7 +360,7 @@
     self->SetMonitorEnterObject(GetObject());
     {
       uint32_t original_owner_thread_id = 0u;
-      ScopedThreadStateChange tsc(self, kBlocked);  // Change to blocked and give up mutator_lock_.
+      ScopedThreadSuspension tsc(self, kBlocked);  // Change to blocked and give up mutator_lock_.
       {
         // Reacquire monitor_lock_ without mutator_lock_ for Wait.
         MutexLock mu2(self, monitor_lock_);
@@ -367,22 +368,26 @@
           original_owner_thread_id = owner_->GetThreadId();
           if (ATRACE_ENABLED()) {
             std::ostringstream oss;
-            std::string name;
-            owner_->GetThreadName(name);
-            oss << PrettyContentionInfo(name,
-                                        owner_->GetTid(),
-                                        owners_method,
-                                        owners_dex_pc,
-                                        num_waiters);
-            // Add info for contending thread.
-            uint32_t pc;
-            ArtMethod* m = self->GetCurrentMethod(&pc);
-            const char* filename;
-            int32_t line_number;
-            TranslateLocation(m, pc, &filename, &line_number);
-            oss << " blocking from "
-                << ArtMethod::PrettyMethod(m) << "(" << (filename != nullptr ? filename : "null")
-                << ":" << line_number << ")";
+            {
+              // Reacquire mutator_lock_ for getting the location info.
+              ScopedObjectAccess soa(self);
+              std::string name;
+              owner_->GetThreadName(name);
+              oss << PrettyContentionInfo(name,
+                                          owner_->GetTid(),
+                                          owners_method,
+                                          owners_dex_pc,
+                                          num_waiters);
+              // Add info for contending thread.
+              uint32_t pc;
+              ArtMethod* m = self->GetCurrentMethod(&pc);
+              const char* filename;
+              int32_t line_number;
+              TranslateLocation(m, pc, &filename, &line_number);
+              oss << " blocking from "
+                  << ArtMethod::PrettyMethod(m) << "(" << (filename != nullptr ? filename : "null")
+                  << ":" << line_number << ")";
+            }
             ATRACE_BEGIN(oss.str().c_str());
           }
           monitor_contenders_.Wait(self);  // Still contended so wait.
@@ -414,6 +419,8 @@
               sample_percent = 100 * wait_ms / lock_profiling_threshold_;
             }
             if (sample_percent != 0 && (static_cast<uint32_t>(rand() % 100) < sample_percent)) {
+              // Reacquire mutator_lock_ for logging.
+              ScopedObjectAccess soa(self);
               if (wait_ms > kLongWaitMs && owners_method != nullptr) {
                 uint32_t pc;
                 ArtMethod* m = self->GetCurrentMethod(&pc);
diff --git a/runtime/native/dalvik_system_VMDebug.cc b/runtime/native/dalvik_system_VMDebug.cc
index 67b2e1c..0d24587 100644
--- a/runtime/native/dalvik_system_VMDebug.cc
+++ b/runtime/native/dalvik_system_VMDebug.cc
@@ -90,7 +90,8 @@
 
 static void VMDebug_startMethodTracingFd(JNIEnv* env, jclass, jstring javaTraceFilename,
                                          jobject javaFd, jint bufferSize, jint flags,
-                                         jboolean samplingEnabled, jint intervalUs) {
+                                         jboolean samplingEnabled, jint intervalUs,
+                                         jboolean streamingOutput) {
   int originalFd = jniGetFDFromFileDescriptor(env, javaFd);
   if (originalFd < 0) {
     return;
@@ -108,7 +109,10 @@
   if (traceFilename.c_str() == nullptr) {
     return;
   }
-  Trace::Start(traceFilename.c_str(), fd, bufferSize, flags, Trace::TraceOutputMode::kFile,
+  Trace::TraceOutputMode outputMode = streamingOutput
+                                          ? Trace::TraceOutputMode::kStreaming
+                                          : Trace::TraceOutputMode::kFile;
+  Trace::Start(traceFilename.c_str(), fd, bufferSize, flags, outputMode,
                samplingEnabled ? Trace::TraceMode::kSampling : Trace::TraceMode::kMethodTracing,
                intervalUs);
 }
@@ -547,7 +551,7 @@
   NATIVE_METHOD(VMDebug, startEmulatorTracing, "()V"),
   NATIVE_METHOD(VMDebug, startInstructionCounting, "()V"),
   NATIVE_METHOD(VMDebug, startMethodTracingDdmsImpl, "(IIZI)V"),
-  NATIVE_METHOD(VMDebug, startMethodTracingFd, "(Ljava/lang/String;Ljava/io/FileDescriptor;IIZI)V"),
+  NATIVE_METHOD(VMDebug, startMethodTracingFd, "(Ljava/lang/String;Ljava/io/FileDescriptor;IIZIZ)V"),
   NATIVE_METHOD(VMDebug, startMethodTracingFilename, "(Ljava/lang/String;IIZI)V"),
   NATIVE_METHOD(VMDebug, stopAllocCounting, "()V"),
   NATIVE_METHOD(VMDebug, stopEmulatorTracing, "()V"),
diff --git a/runtime/openjdkjvmti/OpenjdkJvmTi.cc b/runtime/openjdkjvmti/OpenjdkJvmTi.cc
index 417d104..c0c301f 100644
--- a/runtime/openjdkjvmti/OpenjdkJvmTi.cc
+++ b/runtime/openjdkjvmti/OpenjdkJvmTi.cc
@@ -138,6 +138,7 @@
   }
 
   static jvmtiError SuspendThread(jvmtiEnv* env, jthread thread) {
+    ENSURE_HAS_CAP(env, can_suspend);
     return ERR(NOT_IMPLEMENTED);
   }
 
@@ -145,10 +146,12 @@
                                       jint request_count,
                                       const jthread* request_list,
                                       jvmtiError* results) {
+    ENSURE_HAS_CAP(env, can_suspend);
     return ERR(NOT_IMPLEMENTED);
   }
 
   static jvmtiError ResumeThread(jvmtiEnv* env, jthread thread) {
+    ENSURE_HAS_CAP(env, can_suspend);
     return ERR(NOT_IMPLEMENTED);
   }
 
@@ -156,14 +159,17 @@
                                      jint request_count,
                                      const jthread* request_list,
                                      jvmtiError* results) {
+    ENSURE_HAS_CAP(env, can_suspend);
     return ERR(NOT_IMPLEMENTED);
   }
 
   static jvmtiError StopThread(jvmtiEnv* env, jthread thread, jobject exception) {
+    ENSURE_HAS_CAP(env, can_signal_thread);
     return ERR(NOT_IMPLEMENTED);
   }
 
   static jvmtiError InterruptThread(jvmtiEnv* env, jthread thread) {
+    ENSURE_HAS_CAP(env, can_signal_thread);
     return ERR(NOT_IMPLEMENTED);
   }
 
@@ -175,6 +181,7 @@
                                         jthread thread,
                                         jint* owned_monitor_count_ptr,
                                         jobject** owned_monitors_ptr) {
+    ENSURE_HAS_CAP(env, can_get_owned_monitor_info);
     return ERR(NOT_IMPLEMENTED);
   }
 
@@ -182,12 +189,14 @@
                                                   jthread thread,
                                                   jint* monitor_info_count_ptr,
                                                   jvmtiMonitorStackDepthInfo** monitor_info_ptr) {
+    ENSURE_HAS_CAP(env, can_get_owned_monitor_stack_depth_info);
     return ERR(NOT_IMPLEMENTED);
   }
 
   static jvmtiError GetCurrentContendedMonitor(jvmtiEnv* env,
                                                jthread thread,
                                                jobject* monitor_ptr) {
+    ENSURE_HAS_CAP(env, can_get_current_contended_monitor);
     return ERR(NOT_IMPLEMENTED);
   }
 
@@ -271,6 +280,7 @@
   }
 
   static jvmtiError PopFrame(jvmtiEnv* env, jthread thread) {
+    ENSURE_HAS_CAP(env, can_pop_frame);
     return ERR(NOT_IMPLEMENTED);
   }
 
@@ -283,30 +293,37 @@
   }
 
   static jvmtiError NotifyFramePop(jvmtiEnv* env, jthread thread, jint depth) {
+    ENSURE_HAS_CAP(env, can_generate_frame_pop_events);
     return ERR(NOT_IMPLEMENTED);
   }
 
   static jvmtiError ForceEarlyReturnObject(jvmtiEnv* env, jthread thread, jobject value) {
+    ENSURE_HAS_CAP(env, can_force_early_return);
     return ERR(NOT_IMPLEMENTED);
   }
 
   static jvmtiError ForceEarlyReturnInt(jvmtiEnv* env, jthread thread, jint value) {
+    ENSURE_HAS_CAP(env, can_force_early_return);
     return ERR(NOT_IMPLEMENTED);
   }
 
   static jvmtiError ForceEarlyReturnLong(jvmtiEnv* env, jthread thread, jlong value) {
+    ENSURE_HAS_CAP(env, can_force_early_return);
     return ERR(NOT_IMPLEMENTED);
   }
 
   static jvmtiError ForceEarlyReturnFloat(jvmtiEnv* env, jthread thread, jfloat value) {
+    ENSURE_HAS_CAP(env, can_force_early_return);
     return ERR(NOT_IMPLEMENTED);
   }
 
   static jvmtiError ForceEarlyReturnDouble(jvmtiEnv* env, jthread thread, jdouble value) {
+    ENSURE_HAS_CAP(env, can_force_early_return);
     return ERR(NOT_IMPLEMENTED);
   }
 
   static jvmtiError ForceEarlyReturnVoid(jvmtiEnv* env, jthread thread) {
+    ENSURE_HAS_CAP(env, can_force_early_return);
     return ERR(NOT_IMPLEMENTED);
   }
 
@@ -316,6 +333,7 @@
                                      jobject initial_object,
                                      const jvmtiHeapCallbacks* callbacks,
                                      const void* user_data) {
+    ENSURE_HAS_CAP(env, can_tag_objects);
     HeapUtil heap_util(&gObjectTagTable);
     return heap_util.FollowReferences(env,
                                       heap_filter,
@@ -402,6 +420,7 @@
       jobject object,
       jvmtiObjectReferenceCallback object_reference_callback,
       const void* user_data) {
+    ENSURE_HAS_CAP(env, can_tag_objects);
     return ERR(NOT_IMPLEMENTED);
   }
 
@@ -410,6 +429,7 @@
                                                 jvmtiStackReferenceCallback stack_ref_callback,
                                                 jvmtiObjectReferenceCallback object_ref_callback,
                                                 const void* user_data) {
+    ENSURE_HAS_CAP(env, can_tag_objects);
     return ERR(NOT_IMPLEMENTED);
   }
 
@@ -417,6 +437,7 @@
                                     jvmtiHeapObjectFilter object_filter,
                                     jvmtiHeapObjectCallback heap_object_callback,
                                     const void* user_data) {
+    ENSURE_HAS_CAP(env, can_tag_objects);
     return ERR(NOT_IMPLEMENTED);
   }
 
@@ -425,6 +446,7 @@
                                                 jvmtiHeapObjectFilter object_filter,
                                                 jvmtiHeapObjectCallback heap_object_callback,
                                                 const void* user_data) {
+    ENSURE_HAS_CAP(env, can_tag_objects);
     return ERR(NOT_IMPLEMENTED);
   }
 
@@ -433,6 +455,7 @@
                                    jint depth,
                                    jint slot,
                                    jobject* value_ptr) {
+    ENSURE_HAS_CAP(env, can_access_local_variables);
     return ERR(NOT_IMPLEMENTED);
   }
 
@@ -440,6 +463,7 @@
                                      jthread thread,
                                      jint depth,
                                      jobject* value_ptr) {
+    ENSURE_HAS_CAP(env, can_access_local_variables);
     return ERR(NOT_IMPLEMENTED);
   }
 
@@ -448,6 +472,7 @@
                                 jint depth,
                                 jint slot,
                                 jint* value_ptr) {
+    ENSURE_HAS_CAP(env, can_access_local_variables);
     return ERR(NOT_IMPLEMENTED);
   }
 
@@ -456,6 +481,7 @@
                                  jint depth,
                                  jint slot,
                                  jlong* value_ptr) {
+    ENSURE_HAS_CAP(env, can_access_local_variables);
     return ERR(NOT_IMPLEMENTED);
   }
 
@@ -464,6 +490,7 @@
                                   jint depth,
                                   jint slot,
                                   jfloat* value_ptr) {
+    ENSURE_HAS_CAP(env, can_access_local_variables);
     return ERR(NOT_IMPLEMENTED);
   }
 
@@ -472,6 +499,7 @@
                                    jint depth,
                                    jint slot,
                                    jdouble* value_ptr) {
+    ENSURE_HAS_CAP(env, can_access_local_variables);
     return ERR(NOT_IMPLEMENTED);
   }
 
@@ -480,6 +508,7 @@
                                    jint depth,
                                    jint slot,
                                    jobject value) {
+    ENSURE_HAS_CAP(env, can_access_local_variables);
     return ERR(NOT_IMPLEMENTED);
   }
 
@@ -488,6 +517,7 @@
                                 jint depth,
                                 jint slot,
                                 jint value) {
+    ENSURE_HAS_CAP(env, can_access_local_variables);
     return ERR(NOT_IMPLEMENTED);
   }
 
@@ -496,6 +526,7 @@
                                  jint depth,
                                  jint slot,
                                  jlong value) {
+    ENSURE_HAS_CAP(env, can_access_local_variables);
     return ERR(NOT_IMPLEMENTED);
   }
 
@@ -504,6 +535,7 @@
                                   jint depth,
                                   jint slot,
                                   jfloat value) {
+    ENSURE_HAS_CAP(env, can_access_local_variables);
     return ERR(NOT_IMPLEMENTED);
   }
 
@@ -512,30 +544,37 @@
                                    jint depth,
                                    jint slot,
                                    jdouble value) {
+    ENSURE_HAS_CAP(env, can_access_local_variables);
     return ERR(NOT_IMPLEMENTED);
   }
 
   static jvmtiError SetBreakpoint(jvmtiEnv* env, jmethodID method, jlocation location) {
+    ENSURE_HAS_CAP(env, can_generate_breakpoint_events);
     return ERR(NOT_IMPLEMENTED);
   }
 
   static jvmtiError ClearBreakpoint(jvmtiEnv* env, jmethodID method, jlocation location) {
+    ENSURE_HAS_CAP(env, can_generate_breakpoint_events);
     return ERR(NOT_IMPLEMENTED);
   }
 
   static jvmtiError SetFieldAccessWatch(jvmtiEnv* env, jclass klass, jfieldID field) {
+    ENSURE_HAS_CAP(env, can_generate_field_access_events);
     return ERR(NOT_IMPLEMENTED);
   }
 
   static jvmtiError ClearFieldAccessWatch(jvmtiEnv* env, jclass klass, jfieldID field) {
+    ENSURE_HAS_CAP(env, can_generate_field_access_events);
     return ERR(NOT_IMPLEMENTED);
   }
 
   static jvmtiError SetFieldModificationWatch(jvmtiEnv* env, jclass klass, jfieldID field) {
+    ENSURE_HAS_CAP(env, can_generate_field_modification_events);
     return ERR(NOT_IMPLEMENTED);
   }
 
   static jvmtiError ClearFieldModificationWatch(jvmtiEnv* env, jclass klass, jfieldID field) {
+    ENSURE_HAS_CAP(env, can_generate_field_modification_events);
     return ERR(NOT_IMPLEMENTED);
   }
 
@@ -563,6 +602,7 @@
   }
 
   static jvmtiError GetSourceFileName(jvmtiEnv* env, jclass klass, char** source_name_ptr) {
+    ENSURE_HAS_CAP(env, can_get_source_file_name);
     return ERR(NOT_IMPLEMENTED);
   }
 
@@ -603,6 +643,7 @@
                                     jint* constant_pool_count_ptr,
                                     jint* constant_pool_byte_count_ptr,
                                     unsigned char** constant_pool_bytes_ptr) {
+    ENSURE_HAS_CAP(env, can_get_constant_pool);
     return ERR(NOT_IMPLEMENTED);
   }
 
@@ -629,10 +670,12 @@
   static jvmtiError GetSourceDebugExtension(jvmtiEnv* env,
                                             jclass klass,
                                             char** source_debug_extension_ptr) {
+    ENSURE_HAS_CAP(env, can_get_source_debug_extension);
     return ERR(NOT_IMPLEMENTED);
   }
 
   static jvmtiError RetransformClasses(jvmtiEnv* env, jint class_count, const jclass* classes) {
+    ENSURE_HAS_CAP(env, can_retransform_classes);
     std::string error_msg;
     jvmtiError res = Transformer::RetransformClasses(ArtJvmTiEnv::AsArtJvmTiEnv(env),
                                                      art::Runtime::Current(),
@@ -649,6 +692,7 @@
   static jvmtiError RedefineClasses(jvmtiEnv* env,
                                     jint class_count,
                                     const jvmtiClassDefinition* class_definitions) {
+    ENSURE_HAS_CAP(env, can_redefine_classes);
     std::string error_msg;
     jvmtiError res = Redefiner::RedefineClasses(ArtJvmTiEnv::AsArtJvmTiEnv(env),
                                                 art::Runtime::Current(),
@@ -673,6 +717,7 @@
   static jvmtiError GetObjectMonitorUsage(jvmtiEnv* env,
                                           jobject object,
                                           jvmtiMonitorUsage* info_ptr) {
+    ENSURE_HAS_CAP(env, can_get_monitor_info);
     return ERR(NOT_IMPLEMENTED);
   }
 
@@ -703,6 +748,7 @@
                                      jclass klass,
                                      jfieldID field,
                                      jboolean* is_synthetic_ptr) {
+    ENSURE_HAS_CAP(env, can_get_synthetic_attribute);
     return FieldUtil::IsFieldSynthetic(env, klass, field, is_synthetic_ptr);
   }
 
@@ -742,6 +788,7 @@
                                        jmethodID method,
                                        jint* entry_count_ptr,
                                        jvmtiLineNumberEntry** table_ptr) {
+    ENSURE_HAS_CAP(env, can_get_line_numbers);
     return MethodUtil::GetLineNumberTable(env, method, entry_count_ptr, table_ptr);
   }
 
@@ -756,6 +803,7 @@
                                           jmethodID method,
                                           jint* entry_count_ptr,
                                           jvmtiLocalVariableEntry** table_ptr) {
+    ENSURE_HAS_CAP(env, can_access_local_variables);
     return ERR(NOT_IMPLEMENTED);
   }
 
@@ -763,6 +811,7 @@
                                  jmethodID method,
                                  jint* bytecode_count_ptr,
                                  unsigned char** bytecodes_ptr) {
+    ENSURE_HAS_CAP(env, can_get_bytecodes);
     return ERR(NOT_IMPLEMENTED);
   }
 
@@ -771,6 +820,7 @@
   }
 
   static jvmtiError IsMethodSynthetic(jvmtiEnv* env, jmethodID method, jboolean* is_synthetic_ptr) {
+    ENSURE_HAS_CAP(env, can_get_synthetic_attribute);
     return MethodUtil::IsMethodSynthetic(env, method, is_synthetic_ptr);
   }
 
@@ -779,10 +829,12 @@
   }
 
   static jvmtiError SetNativeMethodPrefix(jvmtiEnv* env, const char* prefix) {
+    ENSURE_HAS_CAP(env, can_set_native_method_prefix);
     return ERR(NOT_IMPLEMENTED);
   }
 
   static jvmtiError SetNativeMethodPrefixes(jvmtiEnv* env, jint prefix_count, char** prefixes) {
+    ENSURE_HAS_CAP(env, can_set_native_method_prefix);
     return ERR(NOT_IMPLEMENTED);
   }
 
@@ -855,7 +907,6 @@
                                              jthread event_thread,
                                              ...) {
     ENSURE_VALID_ENV(env);
-    // TODO: Check for capabilities.
     art::Thread* art_thread = nullptr;
     if (event_thread != nullptr) {
       // TODO: Need non-aborting call here, to return JVMTI_ERROR_INVALID_THREAD.
@@ -1053,18 +1104,22 @@
   }
 
   static jvmtiError GetCurrentThreadCpuTimerInfo(jvmtiEnv* env, jvmtiTimerInfo* info_ptr) {
+    ENSURE_HAS_CAP(env, can_get_current_thread_cpu_time);
     return ERR(NOT_IMPLEMENTED);
   }
 
   static jvmtiError GetCurrentThreadCpuTime(jvmtiEnv* env, jlong* nanos_ptr) {
+    ENSURE_HAS_CAP(env, can_get_current_thread_cpu_time);
     return ERR(NOT_IMPLEMENTED);
   }
 
   static jvmtiError GetThreadCpuTimerInfo(jvmtiEnv* env, jvmtiTimerInfo* info_ptr) {
+    ENSURE_HAS_CAP(env, can_get_thread_cpu_time);
     return ERR(NOT_IMPLEMENTED);
   }
 
   static jvmtiError GetThreadCpuTime(jvmtiEnv* env, jthread thread, jlong* nanos_ptr) {
+    ENSURE_HAS_CAP(env, can_get_thread_cpu_time);
     return ERR(NOT_IMPLEMENTED);
   }
 
diff --git a/runtime/openjdkjvmti/art_jvmti.h b/runtime/openjdkjvmti/art_jvmti.h
index 256c3a6..106165c 100644
--- a/runtime/openjdkjvmti/art_jvmti.h
+++ b/runtime/openjdkjvmti/art_jvmti.h
@@ -114,6 +114,21 @@
 }
 
 ALWAYS_INLINE
+static inline jvmtiError CopyDataIntoJvmtiBuffer(ArtJvmTiEnv* env,
+                                                 const unsigned char* source,
+                                                 jint len,
+                                                 /*out*/unsigned char** dest) {
+  jvmtiError res = env->Allocate(len, dest);
+  if (res != OK) {
+    return res;
+  }
+  memcpy(reinterpret_cast<void*>(*dest),
+         reinterpret_cast<const void*>(source),
+         len);
+  return OK;
+}
+
+ALWAYS_INLINE
 static inline jvmtiError CopyString(jvmtiEnv* env, const char* src, unsigned char** copy) {
   size_t len = strlen(src) + 1;
   unsigned char* buf;
@@ -131,7 +146,7 @@
     .can_generate_field_modification_events          = 0,
     .can_generate_field_access_events                = 0,
     .can_get_bytecodes                               = 0,
-    .can_get_synthetic_attribute                     = 0,
+    .can_get_synthetic_attribute                     = 1,
     .can_get_owned_monitor_info                      = 0,
     .can_get_current_contended_monitor               = 0,
     .can_get_monitor_info                            = 0,
@@ -139,7 +154,7 @@
     .can_redefine_classes                            = 1,
     .can_signal_thread                               = 0,
     .can_get_source_file_name                        = 0,
-    .can_get_line_numbers                            = 0,
+    .can_get_line_numbers                            = 1,
     .can_get_source_debug_extension                  = 0,
     .can_access_local_variables                      = 0,
     .can_maintain_original_method_order              = 0,
@@ -156,10 +171,10 @@
     .can_generate_all_class_hook_events              = 0,
     .can_generate_compiled_method_load_events        = 0,
     .can_generate_monitor_events                     = 0,
-    .can_generate_vm_object_alloc_events             = 0,
+    .can_generate_vm_object_alloc_events             = 1,
     .can_generate_native_method_bind_events          = 0,
-    .can_generate_garbage_collection_events          = 0,
-    .can_generate_object_free_events                 = 0,
+    .can_generate_garbage_collection_events          = 1,
+    .can_generate_object_free_events                 = 1,
     .can_force_early_return                          = 0,
     .can_get_owned_monitor_stack_depth_info          = 0,
     .can_get_constant_pool                           = 0,
diff --git a/runtime/openjdkjvmti/events-inl.h b/runtime/openjdkjvmti/events-inl.h
index 655a53a..4f5eb0c 100644
--- a/runtime/openjdkjvmti/events-inl.h
+++ b/runtime/openjdkjvmti/events-inl.h
@@ -131,8 +131,8 @@
   ArtJvmTiEnv* last_env = nullptr;
   for (ArtJvmTiEnv* env : envs) {
     if (ShouldDispatch<kEvent>(env, thread)) {
-      jint new_len;
-      unsigned char* new_data;
+      jint new_len = 0;
+      unsigned char* new_data = nullptr;
       auto callback = impl::GetCallback<kEvent>(env);
       callback(env,
                jnienv,
diff --git a/runtime/openjdkjvmti/events.cc b/runtime/openjdkjvmti/events.cc
index 1da08a0..34492a9 100644
--- a/runtime/openjdkjvmti/events.cc
+++ b/runtime/openjdkjvmti/events.cc
@@ -302,6 +302,64 @@
   }
 }
 
+// Checks to see if the env has the capabilities associated with the given event.
+static bool HasAssociatedCapability(ArtJvmTiEnv* env,
+                                    ArtJvmtiEvent event) {
+  jvmtiCapabilities caps = env->capabilities;
+  switch (event) {
+    case ArtJvmtiEvent::kBreakpoint:
+      return caps.can_generate_breakpoint_events == 1;
+
+    case ArtJvmtiEvent::kCompiledMethodLoad:
+    case ArtJvmtiEvent::kCompiledMethodUnload:
+      return caps.can_generate_compiled_method_load_events == 1;
+
+    case ArtJvmtiEvent::kException:
+    case ArtJvmtiEvent::kExceptionCatch:
+      return caps.can_generate_exception_events == 1;
+
+    case ArtJvmtiEvent::kFieldAccess:
+      return caps.can_generate_field_access_events == 1;
+
+    case ArtJvmtiEvent::kFieldModification:
+      return caps.can_generate_field_modification_events == 1;
+
+    case ArtJvmtiEvent::kFramePop:
+      return caps.can_generate_frame_pop_events == 1;
+
+    case ArtJvmtiEvent::kGarbageCollectionStart:
+    case ArtJvmtiEvent::kGarbageCollectionFinish:
+      return caps.can_generate_garbage_collection_events == 1;
+
+    case ArtJvmtiEvent::kMethodEntry:
+      return caps.can_generate_method_entry_events == 1;
+
+    case ArtJvmtiEvent::kMethodExit:
+      return caps.can_generate_method_exit_events == 1;
+
+    case ArtJvmtiEvent::kMonitorContendedEnter:
+    case ArtJvmtiEvent::kMonitorContendedEntered:
+    case ArtJvmtiEvent::kMonitorWait:
+    case ArtJvmtiEvent::kMonitorWaited:
+      return caps.can_generate_monitor_events == 1;
+
+    case ArtJvmtiEvent::kNativeMethodBind:
+      return caps.can_generate_native_method_bind_events == 1;
+
+    case ArtJvmtiEvent::kObjectFree:
+      return caps.can_generate_object_free_events == 1;
+
+    case ArtJvmtiEvent::kSingleStep:
+      return caps.can_generate_single_step_events == 1;
+
+    case ArtJvmtiEvent::kVmObjectAlloc:
+      return caps.can_generate_vm_object_alloc_events == 1;
+
+    default:
+      return true;
+  }
+}
+
 jvmtiError EventHandler::SetEvent(ArtJvmTiEnv* env,
                                   art::Thread* thread,
                                   ArtJvmtiEvent event,
@@ -318,8 +376,6 @@
     }
   }
 
-  // TODO: Capability check.
-
   if (mode != JVMTI_ENABLE && mode != JVMTI_DISABLE) {
     return ERR(ILLEGAL_ARGUMENT);
   }
@@ -328,6 +384,10 @@
     return ERR(INVALID_EVENT_TYPE);
   }
 
+  if (!HasAssociatedCapability(env, event)) {
+    return ERR(MUST_POSSESS_CAPABILITY);
+  }
+
   bool old_state = global_mask.Test(event);
 
   if (mode == JVMTI_ENABLE) {
diff --git a/runtime/openjdkjvmti/ti_class.cc b/runtime/openjdkjvmti/ti_class.cc
index 6dbab86..d484c98 100644
--- a/runtime/openjdkjvmti/ti_class.cc
+++ b/runtime/openjdkjvmti/ti_class.cc
@@ -31,6 +31,8 @@
 
 #include "ti_class.h"
 
+#include "android-base/stringprintf.h"
+
 #include <mutex>
 #include <unordered_set>
 
@@ -38,20 +40,208 @@
 #include "base/macros.h"
 #include "class_table-inl.h"
 #include "class_linker.h"
+#include "common_throws.h"
 #include "events-inl.h"
 #include "handle.h"
 #include "jni_env_ext-inl.h"
 #include "jni_internal.h"
+#include "mirror/array-inl.h"
+#include "mirror/class-inl.h"
+#include "mirror/class_ext.h"
 #include "runtime.h"
 #include "runtime_callbacks.h"
 #include "ScopedLocalRef.h"
 #include "scoped_thread_state_change-inl.h"
 #include "thread-inl.h"
 #include "thread_list.h"
+#include "ti_redefine.h"
+#include "utils.h"
 
 namespace openjdkjvmti {
 
+using android::base::StringPrintf;
+
+static std::unique_ptr<const art::DexFile> MakeSingleDexFile(art::Thread* self,
+                                                             const char* descriptor,
+                                                             const std::string& orig_location,
+                                                             jint final_len,
+                                                             const unsigned char* final_dex_data)
+      REQUIRES_SHARED(art::Locks::mutator_lock_) {
+  // Make the mmap
+  std::string error_msg;
+  std::unique_ptr<art::MemMap> map(Redefiner::MoveDataToMemMap(orig_location,
+                                                               final_len,
+                                                               final_dex_data,
+                                                               &error_msg));
+  if (map.get() == nullptr) {
+    LOG(WARNING) << "Unable to allocate mmap for redefined dex file! Error was: " << error_msg;
+    self->ThrowOutOfMemoryError(StringPrintf(
+        "Unable to allocate dex file for transformation of %s", descriptor).c_str());
+    return nullptr;
+  }
+
+  // Make a dex-file
+  if (map->Size() < sizeof(art::DexFile::Header)) {
+    LOG(WARNING) << "Could not read dex file header because dex_data was too short";
+    art::ThrowClassFormatError(nullptr,
+                               "Unable to read transformed dex file of %s",
+                               descriptor);
+    return nullptr;
+  }
+  uint32_t checksum = reinterpret_cast<const art::DexFile::Header*>(map->Begin())->checksum_;
+  std::unique_ptr<const art::DexFile> dex_file(art::DexFile::Open(map->GetName(),
+                                                                  checksum,
+                                                                  std::move(map),
+                                                                  /*verify*/true,
+                                                                  /*verify_checksum*/true,
+                                                                  &error_msg));
+  if (dex_file.get() == nullptr) {
+    LOG(WARNING) << "Unable to load modified dex file for " << descriptor << ": " << error_msg;
+    art::ThrowClassFormatError(nullptr,
+                               "Unable to read transformed dex file of %s because %s",
+                               descriptor,
+                               error_msg.c_str());
+    return nullptr;
+  }
+  if (dex_file->NumClassDefs() != 1) {
+    LOG(WARNING) << "Dex file contains more than 1 class_def. Ignoring.";
+    // TODO Throw some other sort of error here maybe?
+    art::ThrowClassFormatError(
+        nullptr,
+        "Unable to use transformed dex file of %s because it contained too many classes",
+        descriptor);
+    return nullptr;
+  }
+  return dex_file;
+}
+
 struct ClassCallback : public art::ClassLoadCallback {
+  void ClassPreDefine(const char* descriptor,
+                      art::Handle<art::mirror::Class> klass,
+                      art::Handle<art::mirror::ClassLoader> class_loader,
+                      const art::DexFile& initial_dex_file,
+                      const art::DexFile::ClassDef& initial_class_def ATTRIBUTE_UNUSED,
+                      /*out*/art::DexFile const** final_dex_file,
+                      /*out*/art::DexFile::ClassDef const** final_class_def)
+      OVERRIDE REQUIRES_SHARED(art::Locks::mutator_lock_) {
+    bool is_enabled =
+        event_handler->IsEventEnabledAnywhere(ArtJvmtiEvent::kClassFileLoadHookRetransformable) ||
+        event_handler->IsEventEnabledAnywhere(ArtJvmtiEvent::kClassFileLoadHookNonRetransformable);
+    if (!is_enabled) {
+      return;
+    }
+    if (descriptor[0] != 'L') {
+      // It is a primitive or array. Just return
+      return;
+    }
+    std::string name(std::string(descriptor).substr(1, strlen(descriptor) - 2));
+
+    art::Thread* self = art::Thread::Current();
+    art::JNIEnvExt* env = self->GetJniEnv();
+    ScopedLocalRef<jobject> loader(
+        env, class_loader.IsNull() ? nullptr : env->AddLocalReference<jobject>(class_loader.Get()));
+    // Go back to native.
+    art::ScopedThreadSuspension sts(self, art::ThreadState::kNative);
+    // Call all Non-retransformable agents.
+    jint post_no_redefine_len = 0;
+    unsigned char* post_no_redefine_dex_data = nullptr;
+    std::unique_ptr<const unsigned char> post_no_redefine_unique_ptr(nullptr);
+    event_handler->DispatchEvent<ArtJvmtiEvent::kClassFileLoadHookNonRetransformable>(
+        self,
+        static_cast<JNIEnv*>(env),
+        static_cast<jclass>(nullptr),  // The class doesn't really exist yet so send null.
+        loader.get(),
+        name.c_str(),
+        static_cast<jobject>(nullptr),  // Android doesn't seem to have protection domains
+        static_cast<jint>(initial_dex_file.Size()),
+        static_cast<const unsigned char*>(initial_dex_file.Begin()),
+        static_cast<jint*>(&post_no_redefine_len),
+        static_cast<unsigned char**>(&post_no_redefine_dex_data));
+    if (post_no_redefine_dex_data == nullptr) {
+      DCHECK_EQ(post_no_redefine_len, 0);
+      post_no_redefine_dex_data = const_cast<unsigned char*>(initial_dex_file.Begin());
+      post_no_redefine_len = initial_dex_file.Size();
+    } else {
+      post_no_redefine_unique_ptr = std::unique_ptr<const unsigned char>(post_no_redefine_dex_data);
+      DCHECK_GT(post_no_redefine_len, 0);
+    }
+    // Call all retransformable agents.
+    jint final_len = 0;
+    unsigned char* final_dex_data = nullptr;
+    std::unique_ptr<const unsigned char> final_dex_unique_ptr(nullptr);
+    event_handler->DispatchEvent<ArtJvmtiEvent::kClassFileLoadHookRetransformable>(
+        self,
+        static_cast<JNIEnv*>(env),
+        static_cast<jclass>(nullptr),  // The class doesn't really exist yet so send null.
+        loader.get(),
+        name.c_str(),
+        static_cast<jobject>(nullptr),  // Android doesn't seem to have protection domains
+        static_cast<jint>(post_no_redefine_len),
+        static_cast<const unsigned char*>(post_no_redefine_dex_data),
+        static_cast<jint*>(&final_len),
+        static_cast<unsigned char**>(&final_dex_data));
+    if (final_dex_data == nullptr) {
+      DCHECK_EQ(final_len, 0);
+      final_dex_data = post_no_redefine_dex_data;
+      final_len = post_no_redefine_len;
+    } else {
+      final_dex_unique_ptr = std::unique_ptr<const unsigned char>(final_dex_data);
+      DCHECK_GT(final_len, 0);
+    }
+
+    if (final_dex_data != initial_dex_file.Begin()) {
+      LOG(WARNING) << "Changing class " << descriptor;
+      art::ScopedObjectAccess soa(self);
+      art::StackHandleScope<2> hs(self);
+      // Save the results of all the non-retransformable agents.
+      // First allocate the ClassExt
+      art::Handle<art::mirror::ClassExt> ext(hs.NewHandle(klass->EnsureExtDataPresent(self)));
+      // Make sure we have a ClassExt. This is fine even though we are a temporary since it will
+      // get copied.
+      if (ext.IsNull()) {
+        // We will just return failure if we fail to allocate
+        LOG(WARNING) << "Could not allocate ext-data for class '" << descriptor << "'. "
+                     << "Aborting transformation since we will be unable to store it.";
+        self->AssertPendingOOMException();
+        return;
+      }
+
+      // Allocate the byte array to store the dex file bytes in.
+      art::Handle<art::mirror::ByteArray> arr(hs.NewHandle(
+          art::mirror::ByteArray::AllocateAndFill(
+              self,
+              reinterpret_cast<const signed char*>(post_no_redefine_dex_data),
+              post_no_redefine_len)));
+      if (arr.IsNull()) {
+        LOG(WARNING) << "Unable to allocate byte array for initial dex-file bytes. Aborting "
+                     << "transformation";
+        self->AssertPendingOOMException();
+        return;
+      }
+
+      std::unique_ptr<const art::DexFile> dex_file(MakeSingleDexFile(self,
+                                                                     descriptor,
+                                                                     initial_dex_file.GetLocation(),
+                                                                     final_len,
+                                                                     final_dex_data));
+      if (dex_file.get() == nullptr) {
+        return;
+      }
+
+      // TODO Check Redefined dex file for invariants.
+      LOG(WARNING) << "Dex file created by class-definition time transformation of "
+                   << descriptor << " is not checked for all retransformation invariants.";
+      // TODO Put it in classpath
+      LOG(WARNING) << "Dex file created for class-definition time transformation of "
+                   << descriptor << " was not added to any classpaths!";
+      // Actually set the ClassExt's original bytes once we have actually succeeded.
+      ext->SetOriginalDexFileBytes(arr.Get());
+      // Set the return values
+      *final_class_def = &dex_file->GetClassDef(0);
+      *final_dex_file = dex_file.release();
+    }
+  }
+
   void ClassLoad(art::Handle<art::mirror::Class> klass) REQUIRES_SHARED(art::Locks::mutator_lock_) {
     if (event_handler->IsEventEnabledAnywhere(ArtJvmtiEvent::kClassLoad)) {
       art::Thread* thread = art::Thread::Current();
diff --git a/runtime/openjdkjvmti/ti_redefine.cc b/runtime/openjdkjvmti/ti_redefine.cc
index 34efc50..d2ddc21 100644
--- a/runtime/openjdkjvmti/ti_redefine.cc
+++ b/runtime/openjdkjvmti/ti_redefine.cc
@@ -520,28 +520,13 @@
   result_ = result;
 }
 
-// Allocates a ByteArray big enough to store the given number of bytes and copies them from the
-// bytes pointer.
-static art::mirror::ByteArray* AllocateAndFillBytes(art::Thread* self,
-                                                    const uint8_t* bytes,
-                                                    int32_t num_bytes)
-    REQUIRES_SHARED(art::Locks::mutator_lock_) {
-  art::StackHandleScope<1> hs(self);
-  art::Handle<art::mirror::ByteArray> arr(hs.NewHandle(
-      art::mirror::ByteArray::Alloc(self, num_bytes)));
-  if (!arr.IsNull()) {
-    // Copy it in. Just skip if it's null
-    memcpy(arr->GetData(), bytes, num_bytes);
-  }
-  return arr.Get();
-}
-
 art::mirror::ByteArray* Redefiner::ClassRedefinition::AllocateOrGetOriginalDexFileBytes() {
   // If we have been specifically given a new set of bytes use that
   if (original_dex_file_.size() != 0) {
-    return AllocateAndFillBytes(driver_->self_,
-                                &original_dex_file_.At(0),
-                                original_dex_file_.size());
+    return art::mirror::ByteArray::AllocateAndFill(
+        driver_->self_,
+        reinterpret_cast<const signed char*>(&original_dex_file_.At(0)),
+        original_dex_file_.size());
   }
 
   // See if we already have one set.
@@ -561,7 +546,10 @@
     LOG(WARNING) << "Current dex file has more than one class in it. Calling RetransformClasses "
                  << "on this class might fail if no transformations are applied to it!";
   }
-  return AllocateAndFillBytes(driver_->self_, current_dex_file.Begin(), current_dex_file.Size());
+  return art::mirror::ByteArray::AllocateAndFill(
+      driver_->self_,
+      reinterpret_cast<const signed char*>(current_dex_file.Begin()),
+      current_dex_file.Size());
 }
 
 struct CallbackCtx {
diff --git a/runtime/openjdkjvmti/ti_redefine.h b/runtime/openjdkjvmti/ti_redefine.h
index 29a7e1f..fdc13ee 100644
--- a/runtime/openjdkjvmti/ti_redefine.h
+++ b/runtime/openjdkjvmti/ti_redefine.h
@@ -96,6 +96,11 @@
 
   static jvmtiError IsModifiableClass(jvmtiEnv* env, jclass klass, jboolean* is_redefinable);
 
+  static std::unique_ptr<art::MemMap> MoveDataToMemMap(const std::string& original_location,
+                                                       jint data_len,
+                                                       const unsigned char* dex_data,
+                                                       std::string* error_msg);
+
  private:
   class ClassRedefinition {
    public:
@@ -234,11 +239,6 @@
                                               /*out*/std::string* error_msg)
       REQUIRES_SHARED(art::Locks::mutator_lock_);
 
-  static std::unique_ptr<art::MemMap> MoveDataToMemMap(const std::string& original_location,
-                                                       jint data_len,
-                                                       const unsigned char* dex_data,
-                                                       std::string* error_msg);
-
   // TODO Put on all the lock qualifiers.
   jvmtiError Run() REQUIRES_SHARED(art::Locks::mutator_lock_);
 
diff --git a/runtime/openjdkjvmti/transform.cc b/runtime/openjdkjvmti/transform.cc
index 745c0f5..2fec631 100644
--- a/runtime/openjdkjvmti/transform.cc
+++ b/runtime/openjdkjvmti/transform.cc
@@ -137,20 +137,6 @@
   return OK;
 }
 
-static jvmtiError CopyDataIntoJvmtiBuffer(ArtJvmTiEnv* env,
-                                          const unsigned char* source,
-                                          jint len,
-                                          /*out*/unsigned char** dest) {
-  jvmtiError res = env->Allocate(len, dest);
-  if (res != OK) {
-    return res;
-  }
-  memcpy(reinterpret_cast<void*>(*dest),
-         reinterpret_cast<const void*>(source),
-         len);
-  return OK;
-}
-
 jvmtiError Transformer::GetDexDataForRetransformation(ArtJvmTiEnv* env,
                                                       art::Handle<art::mirror::Class> klass,
                                                       /*out*/jint* dex_data_len,
@@ -193,7 +179,9 @@
   }
   def->klass = klass;
   def->loader = soa.AddLocalReference<jobject>(hs_klass->GetClassLoader());
-  def->name = art::mirror::Class::ComputeName(hs_klass)->ToModifiedUtf8();
+  std::string descriptor_store;
+  std::string descriptor(hs_klass->GetDescriptor(&descriptor_store));
+  def->name = descriptor.substr(1, descriptor.size() - 2);
   // TODO is this always null?
   def->protection_domain = nullptr;
   if (def->dex_data.get() == nullptr) {
diff --git a/runtime/parsed_options.cc b/runtime/parsed_options.cc
index d1ad77c..ccc5f7a 100644
--- a/runtime/parsed_options.cc
+++ b/runtime/parsed_options.cc
@@ -599,42 +599,6 @@
     args.Set(M::HeapGrowthLimit, args.GetOrDefault(M::MemoryMaximumSize));
   }
 
-  if (args.GetOrDefault(M::Experimental) & ExperimentalFlags::kRuntimePlugins) {
-    LOG(WARNING) << "Experimental runtime plugin support has been enabled. No guarantees are made "
-                 << "about stability or usage of this plugin support. Use at your own risk. Do "
-                 << "not attempt to write shipping code that relies on the implementation of "
-                 << "runtime plugins.";
-  } else if (!args.GetOrDefault(M::Plugins).empty()) {
-    LOG(WARNING) << "Experimental runtime plugin support has not been enabled. Ignored options: ";
-    for (const auto& op : args.GetOrDefault(M::Plugins)) {
-      LOG(WARNING) << "    -plugin:" << op.GetLibrary();
-    }
-  }
-
-  if (args.GetOrDefault(M::Experimental) & ExperimentalFlags::kAgents) {
-    LOG(WARNING) << "Experimental runtime agent support has been enabled. No guarantees are made "
-                 << "the completeness, accuracy, reliability, or stability of the agent "
-                 << "implementation. Use at your own risk. Do not attempt to write shipping code "
-                 << "that relies on the implementation of any part of this api.";
-  } else if (!args.GetOrDefault(M::AgentLib).empty() || !args.GetOrDefault(M::AgentPath).empty()) {
-    LOG(WARNING) << "agent support has not been enabled. Enable experimental agent "
-                 << " support with '-XExperimental:agent'. Ignored options are:";
-    for (const auto& op : args.GetOrDefault(M::AgentLib)) {
-      if (op.HasArgs()) {
-        LOG(WARNING) << "    -agentlib:" << op.GetName() << "=" << op.GetArgs();
-      } else {
-        LOG(WARNING) << "    -agentlib:" << op.GetName();
-      }
-    }
-    for (const auto& op : args.GetOrDefault(M::AgentPath)) {
-      if (op.HasArgs()) {
-        LOG(WARNING) << "    -agentpath:" << op.GetName() << "=" << op.GetArgs();
-      } else {
-        LOG(WARNING) << "    -agentpath:" << op.GetName();
-      }
-    }
-  }
-
   *runtime_options = std::move(args);
   return true;
 }
diff --git a/runtime/runtime.cc b/runtime/runtime.cc
index 06cd7ff..5e008a8 100644
--- a/runtime/runtime.cc
+++ b/runtime/runtime.cc
@@ -1069,16 +1069,13 @@
   experimental_flags_ = runtime_options.GetOrDefault(Opt::Experimental);
   is_low_memory_mode_ = runtime_options.Exists(Opt::LowMemoryMode);
 
-  if (experimental_flags_ & ExperimentalFlags::kRuntimePlugins) {
-    plugins_ = runtime_options.ReleaseOrDefault(Opt::Plugins);
-  }
-  if (experimental_flags_ & ExperimentalFlags::kAgents) {
-    agents_ = runtime_options.ReleaseOrDefault(Opt::AgentPath);
-    // TODO Add back in -agentlib
-    // for (auto lib : runtime_options.ReleaseOrDefault(Opt::AgentLib)) {
-    //   agents_.push_back(lib);
-    // }
-  }
+  plugins_ = runtime_options.ReleaseOrDefault(Opt::Plugins);
+  agents_ = runtime_options.ReleaseOrDefault(Opt::AgentPath);
+  // TODO Add back in -agentlib
+  // for (auto lib : runtime_options.ReleaseOrDefault(Opt::AgentLib)) {
+  //   agents_.push_back(lib);
+  // }
+
   XGcOption xgc_option = runtime_options.GetOrDefault(Opt::GcOption);
   heap_ = new gc::Heap(runtime_options.GetOrDefault(Opt::MemoryInitialSize),
                        runtime_options.GetOrDefault(Opt::HeapGrowthLimit),
diff --git a/runtime/runtime_options.def b/runtime/runtime_options.def
index 749a36e..ad748b0 100644
--- a/runtime/runtime_options.def
+++ b/runtime/runtime_options.def
@@ -119,10 +119,10 @@
 RUNTIME_OPTIONS_KEY (Unit,                NoDexFileFallback)
 RUNTIME_OPTIONS_KEY (std::string,         CpuAbiList)
 RUNTIME_OPTIONS_KEY (std::string,         Fingerprint)
-RUNTIME_OPTIONS_KEY (ExperimentalFlags,   Experimental,     ExperimentalFlags::kNone) // -Xexperimental:{none, agents}
-RUNTIME_OPTIONS_KEY (std::vector<ti::Agent>,         AgentLib)  // -agentlib:<libname>=<options>, Requires -Xexperimental:agents
-RUNTIME_OPTIONS_KEY (std::vector<ti::Agent>,         AgentPath)  // -agentpath:<libname>=<options>, Requires -Xexperimental:agents
-RUNTIME_OPTIONS_KEY (std::vector<Plugin>,            Plugins)  // -Xplugin:<library> Requires -Xexperimental:runtime-plugins
+RUNTIME_OPTIONS_KEY (ExperimentalFlags,   Experimental,     ExperimentalFlags::kNone) // -Xexperimental:{...}
+RUNTIME_OPTIONS_KEY (std::vector<ti::Agent>,         AgentLib)  // -agentlib:<libname>=<options>
+RUNTIME_OPTIONS_KEY (std::vector<ti::Agent>,         AgentPath)  // -agentpath:<libname>=<options>
+RUNTIME_OPTIONS_KEY (std::vector<Plugin>,            Plugins)  // -Xplugin:<library>
 RUNTIME_OPTIONS_KEY (Unit,                           FullyDeoptable)  // -Xfully-deoptable
 
 // Not parse-able from command line, but can be provided explicitly.
diff --git a/runtime/stack_map.h b/runtime/stack_map.h
index cd9a3f0..5782521 100644
--- a/runtime/stack_map.h
+++ b/runtime/stack_map.h
@@ -667,32 +667,7 @@
 
   ALWAYS_INLINE int32_t Load(const MemoryRegion& region) const {
     DCHECK_LE(end_offset_, region.size_in_bits());
-    const size_t bit_count = BitSize();
-    if (bit_count == 0) {
-      // Do not touch any memory if the range is empty.
-      return min_value_;
-    }
-    uint8_t* address = region.start() + start_offset_ / kBitsPerByte;
-    const uint32_t shift = start_offset_ & (kBitsPerByte - 1);
-    // Load the value (reading only the strictly needed bytes).
-    const uint32_t load_bit_count = shift + bit_count;
-    uint32_t value = *address++ >> shift;
-    if (load_bit_count > 8) {
-      value |= static_cast<uint32_t>(*address++) << (8 - shift);
-      if (load_bit_count > 16) {
-        value |= static_cast<uint32_t>(*address++) << (16 - shift);
-        if (load_bit_count > 24) {
-          value |= static_cast<uint32_t>(*address++) << (24 - shift);
-          if (load_bit_count > 32) {
-            value |= static_cast<uint32_t>(*address++) << (32 - shift);
-          }
-        }
-      }
-    }
-    // Clear unwanted most significant bits.
-    uint32_t clear_bit_count = 32 - bit_count;
-    value = (value << clear_bit_count) >> clear_bit_count;
-    return value + min_value_;
+    return static_cast<int32_t>(region.LoadBits(start_offset_, BitSize())) + min_value_;
   }
 
   ALWAYS_INLINE void Store(MemoryRegion region, int32_t value) const {
diff --git a/runtime/utils.cc b/runtime/utils.cc
index 410416e..80a427b 100644
--- a/runtime/utils.cc
+++ b/runtime/utils.cc
@@ -415,6 +415,22 @@
   return result;
 }
 
+std::string GetJniShortName(const std::string& class_descriptor, const std::string& method) {
+  // Remove the leading 'L' and trailing ';'...
+  std::string class_name(class_descriptor);
+  CHECK_EQ(class_name[0], 'L') << class_name;
+  CHECK_EQ(class_name[class_name.size() - 1], ';') << class_name;
+  class_name.erase(0, 1);
+  class_name.erase(class_name.size() - 1, 1);
+
+  std::string short_name;
+  short_name += "Java_";
+  short_name += MangleForJni(class_name);
+  short_name += "_";
+  short_name += MangleForJni(method);
+  return short_name;
+}
+
 // See http://java.sun.com/j2se/1.5.0/docs/guide/jni/spec/design.html#wp615 for the full rules.
 std::string MangleForJni(const std::string& s) {
   std::string result;
diff --git a/runtime/utils.h b/runtime/utils.h
index 9e663b3..5f53608 100644
--- a/runtime/utils.h
+++ b/runtime/utils.h
@@ -101,6 +101,8 @@
 // of the JNI spec.
 std::string MangleForJni(const std::string& s);
 
+std::string GetJniShortName(const std::string& class_name, const std::string& method_name);
+
 // Turn "java.lang.String" into "Ljava/lang/String;".
 std::string DotToDescriptor(const char* class_name);
 
diff --git a/runtime/vdex_file.h b/runtime/vdex_file.h
index bb9844a..330b955 100644
--- a/runtime/vdex_file.h
+++ b/runtime/vdex_file.h
@@ -61,7 +61,7 @@
 
    private:
     static constexpr uint8_t kVdexMagic[] = { 'v', 'd', 'e', 'x' };
-    static constexpr uint8_t kVdexVersion[] = { '0', '0', '2', '\0' };  // Handle verify-profile
+    static constexpr uint8_t kVdexVersion[] = { '0', '0', '3', '\0' };  // Remove verify-profile
 
     uint8_t magic_[4];
     uint8_t version_[4];
diff --git a/test/900-hello-plugin/run b/test/900-hello-plugin/run
index 35b0871..50835f8 100755
--- a/test/900-hello-plugin/run
+++ b/test/900-hello-plugin/run
@@ -18,7 +18,5 @@
 if  [[ "$@" == *"-O"* ]]; then
   plugin=libartagent.so
 fi
-./default-run "$@" --experimental agents \
-                   --experimental runtime-plugins \
-                   --runtime-option -agentpath:${plugin}=test_900 \
+./default-run "$@" --runtime-option -agentpath:${plugin}=test_900 \
                    --android-runtime-option -Xplugin:${plugin}
diff --git a/test/901-hello-ti-agent/run b/test/901-hello-ti-agent/run
index 4379349..c6e62ae 100755
--- a/test/901-hello-ti-agent/run
+++ b/test/901-hello-ti-agent/run
@@ -14,6 +14,4 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-./default-run "$@" --experimental agents \
-                   --experimental runtime-plugins \
-                   --jvmti
+./default-run "$@" --jvmti
diff --git a/test/902-hello-transformation/run b/test/902-hello-transformation/run
index 4379349..c6e62ae 100755
--- a/test/902-hello-transformation/run
+++ b/test/902-hello-transformation/run
@@ -14,6 +14,4 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-./default-run "$@" --experimental agents \
-                   --experimental runtime-plugins \
-                   --jvmti
+./default-run "$@" --jvmti
diff --git a/test/903-hello-tagging/run b/test/903-hello-tagging/run
index 4379349..c6e62ae 100755
--- a/test/903-hello-tagging/run
+++ b/test/903-hello-tagging/run
@@ -14,6 +14,4 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-./default-run "$@" --experimental agents \
-                   --experimental runtime-plugins \
-                   --jvmti
+./default-run "$@" --jvmti
diff --git a/test/904-object-allocation/run b/test/904-object-allocation/run
index 4379349..c6e62ae 100755
--- a/test/904-object-allocation/run
+++ b/test/904-object-allocation/run
@@ -14,6 +14,4 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-./default-run "$@" --experimental agents \
-                   --experimental runtime-plugins \
-                   --jvmti
+./default-run "$@" --jvmti
diff --git a/test/905-object-free/run b/test/905-object-free/run
index 4379349..c6e62ae 100755
--- a/test/905-object-free/run
+++ b/test/905-object-free/run
@@ -14,6 +14,4 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-./default-run "$@" --experimental agents \
-                   --experimental runtime-plugins \
-                   --jvmti
+./default-run "$@" --jvmti
diff --git a/test/906-iterate-heap/run b/test/906-iterate-heap/run
index 4379349..c6e62ae 100755
--- a/test/906-iterate-heap/run
+++ b/test/906-iterate-heap/run
@@ -14,6 +14,4 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-./default-run "$@" --experimental agents \
-                   --experimental runtime-plugins \
-                   --jvmti
+./default-run "$@" --jvmti
diff --git a/test/907-get-loaded-classes/run b/test/907-get-loaded-classes/run
index 4379349..c6e62ae 100755
--- a/test/907-get-loaded-classes/run
+++ b/test/907-get-loaded-classes/run
@@ -14,6 +14,4 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-./default-run "$@" --experimental agents \
-                   --experimental runtime-plugins \
-                   --jvmti
+./default-run "$@" --jvmti
diff --git a/test/908-gc-start-finish/run b/test/908-gc-start-finish/run
index 4379349..c6e62ae 100755
--- a/test/908-gc-start-finish/run
+++ b/test/908-gc-start-finish/run
@@ -14,6 +14,4 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-./default-run "$@" --experimental agents \
-                   --experimental runtime-plugins \
-                   --jvmti
+./default-run "$@" --jvmti
diff --git a/test/909-attach-agent/run b/test/909-attach-agent/run
index 985341b..0664592 100755
--- a/test/909-attach-agent/run
+++ b/test/909-attach-agent/run
@@ -21,17 +21,11 @@
   plugin=libopenjdkjvmti.so
 fi
 
-./default-run "$@" --experimental agents \
-                   --experimental runtime-plugins \
-                   --android-runtime-option -Xplugin:${plugin} \
+./default-run "$@" --android-runtime-option -Xplugin:${plugin} \
                    --android-runtime-option -Xfully-deoptable \
                    --args agent:${agent}=909-attach-agent
 
-./default-run "$@" --experimental agents \
-                   --experimental runtime-plugins \
-                   --android-runtime-option -Xfully-deoptable \
+./default-run "$@" --android-runtime-option -Xfully-deoptable \
                    --args agent:${agent}=909-attach-agent
 
-./default-run "$@" --experimental agents \
-                   --experimental runtime-plugins \
-                   --args agent:${agent}=909-attach-agent
+./default-run "$@" --args agent:${agent}=909-attach-agent
diff --git a/test/910-methods/run b/test/910-methods/run
index 4379349..c6e62ae 100755
--- a/test/910-methods/run
+++ b/test/910-methods/run
@@ -14,6 +14,4 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-./default-run "$@" --experimental agents \
-                   --experimental runtime-plugins \
-                   --jvmti
+./default-run "$@" --jvmti
diff --git a/test/911-get-stack-trace/run b/test/911-get-stack-trace/run
index 4379349..c6e62ae 100755
--- a/test/911-get-stack-trace/run
+++ b/test/911-get-stack-trace/run
@@ -14,6 +14,4 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-./default-run "$@" --experimental agents \
-                   --experimental runtime-plugins \
-                   --jvmti
+./default-run "$@" --jvmti
diff --git a/test/912-classes/run b/test/912-classes/run
index 20dfc4b..f24db40 100755
--- a/test/912-classes/run
+++ b/test/912-classes/run
@@ -18,7 +18,5 @@
 # In certain configurations, the app images may be valid even in a new classloader. Turn off
 # app images to avoid the issue.
 
-./default-run "$@" --experimental agents \
-                   --experimental runtime-plugins \
-                   --jvmti \
+./default-run "$@" --jvmti \
                    --no-app-image
diff --git a/test/913-heaps/run b/test/913-heaps/run
index 4379349..c6e62ae 100755
--- a/test/913-heaps/run
+++ b/test/913-heaps/run
@@ -14,6 +14,4 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-./default-run "$@" --experimental agents \
-                   --experimental runtime-plugins \
-                   --jvmti
+./default-run "$@" --jvmti
diff --git a/test/914-hello-obsolescence/run b/test/914-hello-obsolescence/run
index 4379349..c6e62ae 100755
--- a/test/914-hello-obsolescence/run
+++ b/test/914-hello-obsolescence/run
@@ -14,6 +14,4 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-./default-run "$@" --experimental agents \
-                   --experimental runtime-plugins \
-                   --jvmti
+./default-run "$@" --jvmti
diff --git a/test/915-obsolete-2/run b/test/915-obsolete-2/run
index 4379349..c6e62ae 100755
--- a/test/915-obsolete-2/run
+++ b/test/915-obsolete-2/run
@@ -14,6 +14,4 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-./default-run "$@" --experimental agents \
-                   --experimental runtime-plugins \
-                   --jvmti
+./default-run "$@" --jvmti
diff --git a/test/916-obsolete-jit/run b/test/916-obsolete-jit/run
index 9056211..b6d406f 100755
--- a/test/916-obsolete-jit/run
+++ b/test/916-obsolete-jit/run
@@ -21,7 +21,5 @@
 else
   other_args="--jit"
 fi
-./default-run "$@" --experimental agents \
-                   --experimental runtime-plugins \
-                   ${other_args} \
+./default-run "$@" ${other_args} \
                    --jvmti
diff --git a/test/917-fields-transformation/run b/test/917-fields-transformation/run
index 4379349..c6e62ae 100755
--- a/test/917-fields-transformation/run
+++ b/test/917-fields-transformation/run
@@ -14,6 +14,4 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-./default-run "$@" --experimental agents \
-                   --experimental runtime-plugins \
-                   --jvmti
+./default-run "$@" --jvmti
diff --git a/test/918-fields/run b/test/918-fields/run
index 4379349..c6e62ae 100755
--- a/test/918-fields/run
+++ b/test/918-fields/run
@@ -14,6 +14,4 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-./default-run "$@" --experimental agents \
-                   --experimental runtime-plugins \
-                   --jvmti
+./default-run "$@" --jvmti
diff --git a/test/919-obsolete-fields/run b/test/919-obsolete-fields/run
index 4379349..c6e62ae 100755
--- a/test/919-obsolete-fields/run
+++ b/test/919-obsolete-fields/run
@@ -14,6 +14,4 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-./default-run "$@" --experimental agents \
-                   --experimental runtime-plugins \
-                   --jvmti
+./default-run "$@" --jvmti
diff --git a/test/920-objects/run b/test/920-objects/run
index 4379349..c6e62ae 100755
--- a/test/920-objects/run
+++ b/test/920-objects/run
@@ -14,6 +14,4 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-./default-run "$@" --experimental agents \
-                   --experimental runtime-plugins \
-                   --jvmti
+./default-run "$@" --jvmti
diff --git a/test/921-hello-failure/run b/test/921-hello-failure/run
index 3ef4832..8be0ed4 100755
--- a/test/921-hello-failure/run
+++ b/test/921-hello-failure/run
@@ -15,6 +15,4 @@
 # limitations under the License.
 
 
-./default-run "$@" --experimental agents \
-                   --experimental runtime-plugins \
-                   --jvmti
+./default-run "$@" --jvmti
diff --git a/test/922-properties/run b/test/922-properties/run
index 4379349..c6e62ae 100755
--- a/test/922-properties/run
+++ b/test/922-properties/run
@@ -14,6 +14,4 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-./default-run "$@" --experimental agents \
-                   --experimental runtime-plugins \
-                   --jvmti
+./default-run "$@" --jvmti
diff --git a/test/923-monitors/run b/test/923-monitors/run
index 4379349..c6e62ae 100755
--- a/test/923-monitors/run
+++ b/test/923-monitors/run
@@ -14,6 +14,4 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-./default-run "$@" --experimental agents \
-                   --experimental runtime-plugins \
-                   --jvmti
+./default-run "$@" --jvmti
diff --git a/test/924-threads/run b/test/924-threads/run
index 4379349..c6e62ae 100755
--- a/test/924-threads/run
+++ b/test/924-threads/run
@@ -14,6 +14,4 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-./default-run "$@" --experimental agents \
-                   --experimental runtime-plugins \
-                   --jvmti
+./default-run "$@" --jvmti
diff --git a/test/925-threadgroups/run b/test/925-threadgroups/run
index 4379349..c6e62ae 100755
--- a/test/925-threadgroups/run
+++ b/test/925-threadgroups/run
@@ -14,6 +14,4 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-./default-run "$@" --experimental agents \
-                   --experimental runtime-plugins \
-                   --jvmti
+./default-run "$@" --jvmti
diff --git a/test/926-multi-obsolescence/run b/test/926-multi-obsolescence/run
index 4379349..c6e62ae 100755
--- a/test/926-multi-obsolescence/run
+++ b/test/926-multi-obsolescence/run
@@ -14,6 +14,4 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-./default-run "$@" --experimental agents \
-                   --experimental runtime-plugins \
-                   --jvmti
+./default-run "$@" --jvmti
diff --git a/test/927-timers/run b/test/927-timers/run
index 4379349..c6e62ae 100755
--- a/test/927-timers/run
+++ b/test/927-timers/run
@@ -14,6 +14,4 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-./default-run "$@" --experimental agents \
-                   --experimental runtime-plugins \
-                   --jvmti
+./default-run "$@" --jvmti
diff --git a/test/928-jni-table/run b/test/928-jni-table/run
index 4379349..c6e62ae 100755
--- a/test/928-jni-table/run
+++ b/test/928-jni-table/run
@@ -14,6 +14,4 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-./default-run "$@" --experimental agents \
-                   --experimental runtime-plugins \
-                   --jvmti
+./default-run "$@" --jvmti
diff --git a/test/929-search/run b/test/929-search/run
index 0a8d067..67923a7 100755
--- a/test/929-search/run
+++ b/test/929-search/run
@@ -17,7 +17,5 @@
 # This test checks whether dex files can be injected into parent classloaders. App images preload
 # classes, which will make the injection moot. Turn off app images to avoid the issue.
 
-./default-run "$@" --experimental agents \
-                   --experimental runtime-plugins \
-                   --jvmti \
+./default-run "$@" --jvmti \
                    --no-app-image
diff --git a/test/930-hello-retransform/run b/test/930-hello-retransform/run
index 4379349..c6e62ae 100755
--- a/test/930-hello-retransform/run
+++ b/test/930-hello-retransform/run
@@ -14,6 +14,4 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-./default-run "$@" --experimental agents \
-                   --experimental runtime-plugins \
-                   --jvmti
+./default-run "$@" --jvmti
diff --git a/test/931-agent-thread/run b/test/931-agent-thread/run
index 0a8d067..67923a7 100755
--- a/test/931-agent-thread/run
+++ b/test/931-agent-thread/run
@@ -17,7 +17,5 @@
 # This test checks whether dex files can be injected into parent classloaders. App images preload
 # classes, which will make the injection moot. Turn off app images to avoid the issue.
 
-./default-run "$@" --experimental agents \
-                   --experimental runtime-plugins \
-                   --jvmti \
+./default-run "$@" --jvmti \
                    --no-app-image
diff --git a/test/932-transform-saves/run b/test/932-transform-saves/run
index 4379349..c6e62ae 100755
--- a/test/932-transform-saves/run
+++ b/test/932-transform-saves/run
@@ -14,6 +14,4 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-./default-run "$@" --experimental agents \
-                   --experimental runtime-plugins \
-                   --jvmti
+./default-run "$@" --jvmti
diff --git a/test/933-misc-events/run b/test/933-misc-events/run
index 0a8d067..67923a7 100755
--- a/test/933-misc-events/run
+++ b/test/933-misc-events/run
@@ -17,7 +17,5 @@
 # This test checks whether dex files can be injected into parent classloaders. App images preload
 # classes, which will make the injection moot. Turn off app images to avoid the issue.
 
-./default-run "$@" --experimental agents \
-                   --experimental runtime-plugins \
-                   --jvmti \
+./default-run "$@" --jvmti \
                    --no-app-image
diff --git a/test/934-load-transform/build b/test/934-load-transform/build
new file mode 100755
index 0000000..898e2e5
--- /dev/null
+++ b/test/934-load-transform/build
@@ -0,0 +1,17 @@
+#!/bin/bash
+#
+# Copyright 2016 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.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+./default-build "$@" --experimental agents
diff --git a/test/934-load-transform/expected.txt b/test/934-load-transform/expected.txt
new file mode 100644
index 0000000..2b60207
--- /dev/null
+++ b/test/934-load-transform/expected.txt
@@ -0,0 +1 @@
+Goodbye
diff --git a/test/934-load-transform/info.txt b/test/934-load-transform/info.txt
new file mode 100644
index 0000000..875a5f6
--- /dev/null
+++ b/test/934-load-transform/info.txt
@@ -0,0 +1 @@
+Tests basic functions in the jvmti plugin.
diff --git a/test/934-load-transform/run b/test/934-load-transform/run
new file mode 100755
index 0000000..adb1a1c
--- /dev/null
+++ b/test/934-load-transform/run
@@ -0,0 +1,17 @@
+#!/bin/bash
+#
+# Copyright 2016 The Android Open Source Project
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+./default-run "$@" --jvmti --no-app-image
diff --git a/test/934-load-transform/src-ex/TestMain.java b/test/934-load-transform/src-ex/TestMain.java
new file mode 100644
index 0000000..33be9cd
--- /dev/null
+++ b/test/934-load-transform/src-ex/TestMain.java
@@ -0,0 +1,21 @@
+/*
+ * Copyright (C) 2016 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.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+public class TestMain {
+  public static void runTest() {
+    new Transform().sayHi();
+  }
+}
diff --git a/test/934-load-transform/src-ex/Transform.java b/test/934-load-transform/src-ex/Transform.java
new file mode 100644
index 0000000..f624c3a
--- /dev/null
+++ b/test/934-load-transform/src-ex/Transform.java
@@ -0,0 +1,21 @@
+/*
+ * Copyright (C) 2016 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.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+class Transform {
+  public void sayHi() {
+    throw new Error("Should not be called!");
+  }
+}
diff --git a/test/934-load-transform/src/Main.java b/test/934-load-transform/src/Main.java
new file mode 100644
index 0000000..3bd913b
--- /dev/null
+++ b/test/934-load-transform/src/Main.java
@@ -0,0 +1,91 @@
+/*
+ * Copyright (C) 2016 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.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+import java.lang.reflect.*;
+import java.util.Base64;
+
+class Main {
+  public static String TEST_NAME = "934-load-transform";
+
+  /**
+   * base64 encoded class/dex file for
+   * class Transform {
+   *   public void sayHi() {
+   *    System.out.println("Goodbye");
+   *   }
+   * }
+   */
+  private static final byte[] CLASS_BYTES = Base64.getDecoder().decode(
+    "yv66vgAAADQAHAoABgAOCQAPABAIABEKABIAEwcAFAcAFQEABjxpbml0PgEAAygpVgEABENvZGUB" +
+    "AA9MaW5lTnVtYmVyVGFibGUBAAVzYXlIaQEAClNvdXJjZUZpbGUBAA5UcmFuc2Zvcm0uamF2YQwA" +
+    "BwAIBwAWDAAXABgBAAdHb29kYnllBwAZDAAaABsBAAlUcmFuc2Zvcm0BABBqYXZhL2xhbmcvT2Jq" +
+    "ZWN0AQAQamF2YS9sYW5nL1N5c3RlbQEAA291dAEAFUxqYXZhL2lvL1ByaW50U3RyZWFtOwEAE2ph" +
+    "dmEvaW8vUHJpbnRTdHJlYW0BAAdwcmludGxuAQAVKExqYXZhL2xhbmcvU3RyaW5nOylWACAABQAG" +
+    "AAAAAAACAAAABwAIAAEACQAAAB0AAQABAAAABSq3AAGxAAAAAQAKAAAABgABAAAAEQABAAsACAAB" +
+    "AAkAAAAlAAIAAQAAAAmyAAISA7YABLEAAAABAAoAAAAKAAIAAAATAAgAFAABAAwAAAACAA0=");
+  private static final byte[] DEX_BYTES = Base64.getDecoder().decode(
+    "ZGV4CjAzNQCLXSBQ5FiS3f16krSYZFF8xYZtFVp0GRXMAgAAcAAAAHhWNBIAAAAAAAAAACwCAAAO" +
+    "AAAAcAAAAAYAAACoAAAAAgAAAMAAAAABAAAA2AAAAAQAAADgAAAAAQAAAAABAACsAQAAIAEAAGIB" +
+    "AABqAQAAcwEAAIABAACXAQAAqwEAAL8BAADTAQAA4wEAAOYBAADqAQAA/gEAAAMCAAAMAgAAAgAA" +
+    "AAMAAAAEAAAABQAAAAYAAAAIAAAACAAAAAUAAAAAAAAACQAAAAUAAABcAQAABAABAAsAAAAAAAAA" +
+    "AAAAAAAAAAANAAAAAQABAAwAAAACAAAAAAAAAAAAAAAAAAAAAgAAAAAAAAAHAAAAAAAAAB4CAAAA" +
+    "AAAAAQABAAEAAAATAgAABAAAAHAQAwAAAA4AAwABAAIAAAAYAgAACQAAAGIAAAAbAQEAAABuIAIA" +
+    "EAAOAAAAAQAAAAMABjxpbml0PgAHR29vZGJ5ZQALTFRyYW5zZm9ybTsAFUxqYXZhL2lvL1ByaW50" +
+    "U3RyZWFtOwASTGphdmEvbGFuZy9PYmplY3Q7ABJMamF2YS9sYW5nL1N0cmluZzsAEkxqYXZhL2xh" +
+    "bmcvU3lzdGVtOwAOVHJhbnNmb3JtLmphdmEAAVYAAlZMABJlbWl0dGVyOiBqYWNrLTMuMzYAA291" +
+    "dAAHcHJpbnRsbgAFc2F5SGkAEQAHDgATAAcOhQAAAAEBAICABKACAQG4Ag0AAAAAAAAAAQAAAAAA" +
+    "AAABAAAADgAAAHAAAAACAAAABgAAAKgAAAADAAAAAgAAAMAAAAAEAAAAAQAAANgAAAAFAAAABAAA" +
+    "AOAAAAAGAAAAAQAAAAABAAABIAAAAgAAACABAAABEAAAAQAAAFwBAAACIAAADgAAAGIBAAADIAAA" +
+    "AgAAABMCAAAAIAAAAQAAAB4CAAAAEAAAAQAAACwCAAA=");
+
+  public static ClassLoader getClassLoaderFor(String location) throws Exception {
+    try {
+      Class<?> class_loader_class = Class.forName("dalvik.system.PathClassLoader");
+      Constructor<?> ctor = class_loader_class.getConstructor(String.class, ClassLoader.class);
+      /* on Dalvik, this is a DexFile; otherwise, it's null */
+      return (ClassLoader)ctor.newInstance(location + "/" + TEST_NAME + "-ex.jar",
+                                           Main.class.getClassLoader());
+    } catch (ClassNotFoundException e) {
+      // Running on RI. Use URLClassLoader.
+      return new java.net.URLClassLoader(
+          new java.net.URL[] { new java.net.URL("file://" + location + "/classes-ex/") });
+    }
+  }
+
+  public static void main(String[] args) {
+    addCommonTransformationResult("Transform", CLASS_BYTES, DEX_BYTES);
+    enableCommonRetransformation(true);
+    try {
+      /* this is the "alternate" DEX/Jar file */
+      ClassLoader new_loader = getClassLoaderFor(System.getenv("DEX_LOCATION"));
+      Class<?> klass = (Class<?>)new_loader.loadClass("TestMain");
+      if (klass == null) {
+        throw new AssertionError("loadClass failed");
+      }
+      Method run_test = klass.getMethod("runTest");
+      run_test.invoke(null);
+    } catch (Exception e) {
+      System.out.println(e.toString());
+      e.printStackTrace();
+    }
+  }
+
+  // Transforms the class
+  private static native void enableCommonRetransformation(boolean enable);
+  private static native void addCommonTransformationResult(String target_name,
+                                                           byte[] class_bytes,
+                                                           byte[] dex_bytes);
+}
diff --git a/test/935-non-retransformable/build b/test/935-non-retransformable/build
new file mode 100755
index 0000000..898e2e5
--- /dev/null
+++ b/test/935-non-retransformable/build
@@ -0,0 +1,17 @@
+#!/bin/bash
+#
+# Copyright 2016 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.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+./default-build "$@" --experimental agents
diff --git a/test/935-non-retransformable/expected.txt b/test/935-non-retransformable/expected.txt
new file mode 100644
index 0000000..ccd50a6
--- /dev/null
+++ b/test/935-non-retransformable/expected.txt
@@ -0,0 +1,6 @@
+Hello
+Hello
+Goodbye
+Hello
+Hello
+Goodbye
diff --git a/test/935-non-retransformable/info.txt b/test/935-non-retransformable/info.txt
new file mode 100644
index 0000000..875a5f6
--- /dev/null
+++ b/test/935-non-retransformable/info.txt
@@ -0,0 +1 @@
+Tests basic functions in the jvmti plugin.
diff --git a/test/935-non-retransformable/run b/test/935-non-retransformable/run
new file mode 100755
index 0000000..adb1a1c
--- /dev/null
+++ b/test/935-non-retransformable/run
@@ -0,0 +1,17 @@
+#!/bin/bash
+#
+# Copyright 2016 The Android Open Source Project
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+./default-run "$@" --jvmti --no-app-image
diff --git a/test/935-non-retransformable/src-ex/TestMain.java b/test/935-non-retransformable/src-ex/TestMain.java
new file mode 100644
index 0000000..aebcdee
--- /dev/null
+++ b/test/935-non-retransformable/src-ex/TestMain.java
@@ -0,0 +1,35 @@
+/*
+ * Copyright (C) 2016 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.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+import java.lang.reflect.Method;
+
+public class TestMain {
+  public static void runTest() {
+    Transform t = new Transform();
+    try {
+      // Call functions with reflection. Since the sayGoodbye function does not exist in the
+      // LTransform; when we compile this for the first time we need to use reflection.
+      Method hi = Transform.class.getMethod("sayHi");
+      Method bye = Transform.class.getMethod("sayGoodbye");
+      hi.invoke(t);
+      t.sayHi();
+      bye.invoke(t);
+    } catch (Exception e) {
+      System.out.println("Unexpected error occured! " + e.toString());
+      e.printStackTrace();
+    }
+  }
+}
diff --git a/test/935-non-retransformable/src-ex/Transform.java b/test/935-non-retransformable/src-ex/Transform.java
new file mode 100644
index 0000000..f624c3a
--- /dev/null
+++ b/test/935-non-retransformable/src-ex/Transform.java
@@ -0,0 +1,21 @@
+/*
+ * Copyright (C) 2016 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.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+class Transform {
+  public void sayHi() {
+    throw new Error("Should not be called!");
+  }
+}
diff --git a/test/935-non-retransformable/src/Main.java b/test/935-non-retransformable/src/Main.java
new file mode 100644
index 0000000..0d103ab
--- /dev/null
+++ b/test/935-non-retransformable/src/Main.java
@@ -0,0 +1,105 @@
+/*
+ * Copyright (C) 2016 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.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+import java.lang.reflect.*;
+import java.util.Base64;
+
+class Main {
+  public static String TEST_NAME = "935-non-retransformable";
+
+  /**
+   * base64 encoded class/dex file for
+   * class Transform {
+   *   public void sayHi() {
+   *     System.out.println("Hello");
+   *   }
+   *   public void sayGoodbye() {
+   *    System.out.println("Goodbye");
+   *   }
+   * }
+   */
+  private static final byte[] CLASS_BYTES = Base64.getDecoder().decode(
+    "yv66vgAAADQAHwoABwAQCQARABIIABMKABQAFQgAFgcAFwcAGAEABjxpbml0PgEAAygpVgEABENv" +
+    "ZGUBAA9MaW5lTnVtYmVyVGFibGUBAAVzYXlIaQEACnNheUdvb2RieWUBAApTb3VyY2VGaWxlAQAO" +
+    "VHJhbnNmb3JtLmphdmEMAAgACQcAGQwAGgAbAQAFSGVsbG8HABwMAB0AHgEAB0dvb2RieWUBAAlU" +
+    "cmFuc2Zvcm0BABBqYXZhL2xhbmcvT2JqZWN0AQAQamF2YS9sYW5nL1N5c3RlbQEAA291dAEAFUxq" +
+    "YXZhL2lvL1ByaW50U3RyZWFtOwEAE2phdmEvaW8vUHJpbnRTdHJlYW0BAAdwcmludGxuAQAVKExq" +
+    "YXZhL2xhbmcvU3RyaW5nOylWACAABgAHAAAAAAADAAAACAAJAAEACgAAAB0AAQABAAAABSq3AAGx" +
+    "AAAAAQALAAAABgABAAAAAQABAAwACQABAAoAAAAlAAIAAQAAAAmyAAISA7YABLEAAAABAAsAAAAK" +
+    "AAIAAAADAAgABAABAA0ACQABAAoAAAAlAAIAAQAAAAmyAAISBbYABLEAAAABAAsAAAAKAAIAAAAG" +
+    "AAgABwABAA4AAAACAA8=");
+  private static final byte[] DEX_BYTES = Base64.getDecoder().decode(
+    "ZGV4CjAzNQDpaN+7jX/ZLl9Jr0HAEV7nqL1YDuakKakgAwAAcAAAAHhWNBIAAAAAAAAAAIACAAAQ" +
+    "AAAAcAAAAAYAAACwAAAAAgAAAMgAAAABAAAA4AAAAAUAAADoAAAAAQAAABABAADwAQAAMAEAAJYB" +
+    "AACeAQAApwEAAK4BAAC7AQAA0gEAAOYBAAD6AQAADgIAAB4CAAAhAgAAJQIAADkCAAA+AgAARwIA" +
+    "AFMCAAADAAAABAAAAAUAAAAGAAAABwAAAAkAAAAJAAAABQAAAAAAAAAKAAAABQAAAJABAAAEAAEA" +
+    "DAAAAAAAAAAAAAAAAAAAAA4AAAAAAAAADwAAAAEAAQANAAAAAgAAAAAAAAAAAAAAAAAAAAIAAAAA" +
+    "AAAACAAAAAAAAABrAgAAAAAAAAEAAQABAAAAWgIAAAQAAABwEAQAAAAOAAMAAQACAAAAXwIAAAkA" +
+    "AABiAAAAGwEBAAAAbiADABAADgAAAAMAAQACAAAAZQIAAAkAAABiAAAAGwECAAAAbiADABAADgAA" +
+    "AAEAAAADAAY8aW5pdD4AB0dvb2RieWUABUhlbGxvAAtMVHJhbnNmb3JtOwAVTGphdmEvaW8vUHJp" +
+    "bnRTdHJlYW07ABJMamF2YS9sYW5nL09iamVjdDsAEkxqYXZhL2xhbmcvU3RyaW5nOwASTGphdmEv" +
+    "bGFuZy9TeXN0ZW07AA5UcmFuc2Zvcm0uamF2YQABVgACVkwAEmVtaXR0ZXI6IGphY2stNC4yMgAD" +
+    "b3V0AAdwcmludGxuAApzYXlHb29kYnllAAVzYXlIaQABAAcOAAYABw6HAAMABw6HAAAAAQIAgIAE" +
+    "sAIBAcgCAQHsAgAAAA0AAAAAAAAAAQAAAAAAAAABAAAAEAAAAHAAAAACAAAABgAAALAAAAADAAAA" +
+    "AgAAAMgAAAAEAAAAAQAAAOAAAAAFAAAABQAAAOgAAAAGAAAAAQAAABABAAABIAAAAwAAADABAAAB" +
+    "EAAAAQAAAJABAAACIAAAEAAAAJYBAAADIAAAAwAAAFoCAAAAIAAAAQAAAGsCAAAAEAAAAQAAAIAC" +
+    "AAA=");
+
+
+  public static ClassLoader getClassLoaderFor(String location) throws Exception {
+    try {
+      Class<?> class_loader_class = Class.forName("dalvik.system.PathClassLoader");
+      Constructor<?> ctor = class_loader_class.getConstructor(String.class, ClassLoader.class);
+      /* on Dalvik, this is a DexFile; otherwise, it's null */
+      return (ClassLoader)ctor.newInstance(location + "/" + TEST_NAME + "-ex.jar",
+                                           Main.class.getClassLoader());
+    } catch (ClassNotFoundException e) {
+      // Running on RI. Use URLClassLoader.
+      return new java.net.URLClassLoader(
+          new java.net.URL[] { new java.net.URL("file://" + location + "/classes-ex/") });
+    }
+  }
+
+  public static void main(String[] args) {
+    addCommonTransformationResult("Transform", CLASS_BYTES, DEX_BYTES);
+    enableCommonRetransformation(true);
+    try {
+      /* this is the "alternate" DEX/Jar file */
+      ClassLoader new_loader = getClassLoaderFor(System.getenv("DEX_LOCATION"));
+      Class<?> klass = (Class<?>)new_loader.loadClass("TestMain");
+      if (klass == null) {
+        throw new AssertionError("loadClass failed");
+      }
+      Method run_test = klass.getMethod("runTest");
+      run_test.invoke(null);
+
+      // Make sure we don't get called for transformation again.
+      addCommonTransformationResult("Transform", new byte[0], new byte[0]);
+      doCommonClassRetransformation(new_loader.loadClass("Transform"));
+      run_test.invoke(null);
+    } catch (Exception e) {
+      System.out.println(e.toString());
+      e.printStackTrace();
+    }
+  }
+
+  // Transforms the class
+  private static native void doCommonClassRetransformation(Class<?>... classes);
+  private static native void enableCommonRetransformation(boolean enable);
+  private static native void addCommonTransformationResult(String target_name,
+                                                           byte[] class_bytes,
+                                                           byte[] dex_bytes);
+}
diff --git a/test/937-hello-retransform-package/build b/test/937-hello-retransform-package/build
new file mode 100755
index 0000000..898e2e5
--- /dev/null
+++ b/test/937-hello-retransform-package/build
@@ -0,0 +1,17 @@
+#!/bin/bash
+#
+# Copyright 2016 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.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+./default-build "$@" --experimental agents
diff --git a/test/937-hello-retransform-package/expected.txt b/test/937-hello-retransform-package/expected.txt
new file mode 100644
index 0000000..4774b81
--- /dev/null
+++ b/test/937-hello-retransform-package/expected.txt
@@ -0,0 +1,2 @@
+hello
+Goodbye
diff --git a/test/937-hello-retransform-package/info.txt b/test/937-hello-retransform-package/info.txt
new file mode 100644
index 0000000..875a5f6
--- /dev/null
+++ b/test/937-hello-retransform-package/info.txt
@@ -0,0 +1 @@
+Tests basic functions in the jvmti plugin.
diff --git a/test/937-hello-retransform-package/run b/test/937-hello-retransform-package/run
new file mode 100755
index 0000000..c6e62ae
--- /dev/null
+++ b/test/937-hello-retransform-package/run
@@ -0,0 +1,17 @@
+#!/bin/bash
+#
+# Copyright 2016 The Android Open Source Project
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+./default-run "$@" --jvmti
diff --git a/test/937-hello-retransform-package/src/Main.java b/test/937-hello-retransform-package/src/Main.java
new file mode 100644
index 0000000..4b9271b
--- /dev/null
+++ b/test/937-hello-retransform-package/src/Main.java
@@ -0,0 +1,73 @@
+/*
+ * Copyright (C) 2016 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.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+import java.util.Base64;
+
+import testing.*;
+public class Main {
+
+  /**
+   * base64 encoded class/dex file for
+   * package testing;
+   * class Transform {
+   *   public void sayHi() {
+   *    System.out.println("Goodbye");
+   *   }
+   * }
+   */
+  private static final byte[] CLASS_BYTES = Base64.getDecoder().decode(
+    "yv66vgAAADQAHAoABgAOCQAPABAIABEKABIAEwcAFAcAFQEABjxpbml0PgEAAygpVgEABENvZGUB" +
+    "AA9MaW5lTnVtYmVyVGFibGUBAAVzYXlIaQEAClNvdXJjZUZpbGUBAA5UcmFuc2Zvcm0uamF2YQwA" +
+    "BwAIBwAWDAAXABgBAAdHb29kYnllBwAZDAAaABsBABF0ZXN0aW5nL1RyYW5zZm9ybQEAEGphdmEv" +
+    "bGFuZy9PYmplY3QBABBqYXZhL2xhbmcvU3lzdGVtAQADb3V0AQAVTGphdmEvaW8vUHJpbnRTdHJl" +
+    "YW07AQATamF2YS9pby9QcmludFN0cmVhbQEAB3ByaW50bG4BABUoTGphdmEvbGFuZy9TdHJpbmc7" +
+    "KVYAIQAFAAYAAAAAAAIAAQAHAAgAAQAJAAAAHQABAAEAAAAFKrcAAbEAAAABAAoAAAAGAAEAAAAC" +
+    "AAEACwAIAAEACQAAACUAAgABAAAACbIAAhIDtgAEsQAAAAEACgAAAAoAAgAAAAQACAAFAAEADAAA" +
+    "AAIADQ==");
+  private static final byte[] DEX_BYTES = Base64.getDecoder().decode(
+    "ZGV4CjAzNQBhYIi3Gs9Nn/GN1fCzF+aFQ0AbhA1h1WHUAgAAcAAAAHhWNBIAAAAAAAAAADQCAAAO" +
+    "AAAAcAAAAAYAAACoAAAAAgAAAMAAAAABAAAA2AAAAAQAAADgAAAAAQAAAAABAAC0AQAAIAEAAGIB" +
+    "AABqAQAAcwEAAIoBAACeAQAAsgEAAMYBAADbAQAA6wEAAO4BAADyAQAABgIAAAsCAAAUAgAAAgAA" +
+    "AAMAAAAEAAAABQAAAAYAAAAIAAAACAAAAAUAAAAAAAAACQAAAAUAAABcAQAAAwAAAAsAAAAAAAEA" +
+    "DAAAAAEAAAAAAAAABAAAAAAAAAAEAAAADQAAAAQAAAABAAAAAQAAAAAAAAAHAAAAAAAAACYCAAAA" +
+    "AAAAAQABAAEAAAAbAgAABAAAAHAQAQAAAA4AAwABAAIAAAAgAgAACQAAAGIAAAAbAQEAAABuIAAA" +
+    "EAAOAAAAAQAAAAIABjxpbml0PgAHR29vZGJ5ZQAVTGphdmEvaW8vUHJpbnRTdHJlYW07ABJMamF2" +
+    "YS9sYW5nL09iamVjdDsAEkxqYXZhL2xhbmcvU3RyaW5nOwASTGphdmEvbGFuZy9TeXN0ZW07ABNM" +
+    "dGVzdGluZy9UcmFuc2Zvcm07AA5UcmFuc2Zvcm0uamF2YQABVgACVkwAEmVtaXR0ZXI6IGphY2st" +
+    "NC4yMgADb3V0AAdwcmludGxuAAVzYXlIaQACAAcOAAQABw6HAAAAAQECgYAEoAIDAbgCDQAAAAAA" +
+    "AAABAAAAAAAAAAEAAAAOAAAAcAAAAAIAAAAGAAAAqAAAAAMAAAACAAAAwAAAAAQAAAABAAAA2AAA" +
+    "AAUAAAAEAAAA4AAAAAYAAAABAAAAAAEAAAEgAAACAAAAIAEAAAEQAAABAAAAXAEAAAIgAAAOAAAA" +
+    "YgEAAAMgAAACAAAAGwIAAAAgAAABAAAAJgIAAAAQAAABAAAANAIAAA==");
+
+  public static void main(String[] args) {
+    doTest(new Transform());
+  }
+
+  public static void doTest(Transform t) {
+    t.sayHi();
+    addCommonTransformationResult("testing/Transform", CLASS_BYTES, DEX_BYTES);
+    enableCommonRetransformation(true);
+    doCommonClassRetransformation(Transform.class);
+    t.sayHi();
+  }
+
+  // Transforms the class
+  private static native void doCommonClassRetransformation(Class<?>... target);
+  private static native void enableCommonRetransformation(boolean enable);
+  private static native void addCommonTransformationResult(String target_name,
+                                                           byte[] class_bytes,
+                                                           byte[] dex_bytes);
+}
diff --git a/test/937-hello-retransform-package/src/Transform.java b/test/937-hello-retransform-package/src/Transform.java
new file mode 100644
index 0000000..db92612
--- /dev/null
+++ b/test/937-hello-retransform-package/src/Transform.java
@@ -0,0 +1,22 @@
+/*
+ * Copyright (C) 2016 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.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package testing;
+public class Transform {
+  public void sayHi() {
+    System.out.println("hello");
+  }
+}
diff --git a/test/ti-agent/common_helper.cc b/test/ti-agent/common_helper.cc
index 80e1797..ed82bb0 100644
--- a/test/ti-agent/common_helper.cc
+++ b/test/ti-agent/common_helper.cc
@@ -301,11 +301,36 @@
   }
 }
 
-// TODO Write something useful.
 extern "C" JNIEXPORT void JNICALL Java_Main_doCommonClassRetransformation(JNIEnv* env,
                                                                           jclass,
                                                                           jobjectArray targets) {
-  DoClassRetransformation(jvmti_env, env, targets);
+  jvmtiCapabilities caps;
+  jvmtiError caps_err = jvmti_env->GetCapabilities(&caps);
+  if (caps_err != JVMTI_ERROR_NONE) {
+    env->ThrowNew(env->FindClass("java/lang/Exception"),
+                  "Unable to get current jvmtiEnv capabilities");
+    return;
+  }
+
+  // Allocate a new environment if we don't have the can_retransform_classes capability needed to
+  // call the RetransformClasses function.
+  jvmtiEnv* real_env = nullptr;
+  if (caps.can_retransform_classes != 1) {
+    JavaVM* vm = nullptr;
+    if (env->GetJavaVM(&vm) != 0 ||
+        vm->GetEnv(reinterpret_cast<void**>(&real_env), JVMTI_VERSION_1_0) != 0) {
+      env->ThrowNew(env->FindClass("java/lang/Exception"),
+                    "Unable to create temporary jvmtiEnv for RetransformClasses call.");
+      return;
+    }
+    SetAllCapabilities(real_env);
+  } else {
+    real_env = jvmti_env;
+  }
+  DoClassRetransformation(real_env, env, targets);
+  if (caps.can_retransform_classes != 1) {
+    real_env->DisposeEnvironment();
+  }
 }
 
 // Get all capabilities except those related to retransformation.
@@ -329,6 +354,38 @@
 
 }  // namespace common_retransform
 
+namespace common_transform {
+
+using art::common_retransform::CommonClassFileLoadHookRetransformable;
+
+// Get all capabilities except those related to retransformation.
+jint OnLoad(JavaVM* vm,
+            char* options ATTRIBUTE_UNUSED,
+            void* reserved ATTRIBUTE_UNUSED) {
+  if (vm->GetEnv(reinterpret_cast<void**>(&jvmti_env), JVMTI_VERSION_1_0)) {
+    printf("Unable to get jvmti env!\n");
+    return 1;
+  }
+  // Don't set the retransform caps
+  jvmtiCapabilities caps;
+  jvmti_env->GetPotentialCapabilities(&caps);
+  caps.can_retransform_classes = 0;
+  caps.can_retransform_any_class = 0;
+  jvmti_env->AddCapabilities(&caps);
+
+  // Use the same callback as the retransform test.
+  jvmtiEventCallbacks cb;
+  memset(&cb, 0, sizeof(cb));
+  cb.ClassFileLoadHook = CommonClassFileLoadHookRetransformable;
+  if (jvmti_env->SetEventCallbacks(&cb, sizeof(cb)) != JVMTI_ERROR_NONE) {
+    printf("Unable to set class file load hook cb!\n");
+    return 1;
+  }
+  return 0;
+}
+
+}  // namespace common_transform
+
 static void BindMethod(jvmtiEnv* jenv,
                        JNIEnv* env,
                        jclass klass,
@@ -340,15 +397,29 @@
     LOG(FATAL) << "Could not get methods";
   }
 
-  ArtMethod* m = jni::DecodeArtMethod(method);
-
   std::string names[2];
-  {
+  if (IsJVM()) {
+    // TODO Get the JNI long name
+    char* klass_name;
+    jvmtiError klass_result = jenv->GetClassSignature(klass, &klass_name, nullptr);
+    if (klass_result == JVMTI_ERROR_NONE) {
+      std::string name_str(name);
+      std::string klass_str(klass_name);
+      names[0] = GetJniShortName(klass_str, name_str);
+      jenv->Deallocate(reinterpret_cast<unsigned char*>(klass_name));
+    } else {
+      LOG(FATAL) << "Could not get class name!";
+    }
+  } else {
     ScopedObjectAccess soa(Thread::Current());
+    ArtMethod* m = jni::DecodeArtMethod(method);
     names[0] = m->JniShortName();
     names[1] = m->JniLongName();
   }
   for (const std::string& mangled_name : names) {
+    if (mangled_name == "") {
+      continue;
+    }
     void* sym = dlsym(RTLD_DEFAULT, mangled_name.c_str());
     if (sym == nullptr) {
       continue;
diff --git a/test/ti-agent/common_helper.h b/test/ti-agent/common_helper.h
index c60553d..0318501 100644
--- a/test/ti-agent/common_helper.h
+++ b/test/ti-agent/common_helper.h
@@ -27,10 +27,15 @@
 jint OnLoad(JavaVM* vm, char* options, void* reserved);
 
 }  // namespace common_redefine
+
 namespace common_retransform {
 jint OnLoad(JavaVM* vm, char* options, void* reserved);
 }  // namespace common_retransform
 
+namespace common_transform {
+jint OnLoad(JavaVM* vm, char* options, void* reserved);
+}  // namespace common_transform
+
 
 extern bool RuntimeIsJVM;
 
diff --git a/test/ti-agent/common_load.cc b/test/ti-agent/common_load.cc
index 8ed8e67..c30c2b1 100644
--- a/test/ti-agent/common_load.cc
+++ b/test/ti-agent/common_load.cc
@@ -110,6 +110,9 @@
   { "926-multi-obsolescence", common_redefine::OnLoad, nullptr },
   { "930-hello-retransform", common_retransform::OnLoad, nullptr },
   { "932-transform-saves", common_retransform::OnLoad, nullptr },
+  { "934-load-transform", common_retransform::OnLoad, nullptr },
+  { "935-non-retransformable", common_transform::OnLoad, nullptr },
+  { "937-hello-retransform-package", common_retransform::OnLoad, nullptr },
 };
 
 static AgentLib* FindAgent(char* name) {
diff --git a/tools/dexfuzz/README b/tools/dexfuzz/README
index c1cdf1e..78f73f5 100644
--- a/tools/dexfuzz/README
+++ b/tools/dexfuzz/README
@@ -98,7 +98,7 @@
 Timed Out  - mutated files that timed out for one or more backends.
              Current timeouts are:
                Optimizing - 5 seconds
-               Intepreter - 30 seconds
+               Interpreter - 30 seconds
               (use --short-timeouts to set all backends to 2 seconds.)
 Successful - mutated files that executed and all backends agreed on the resulting
              output. NB: if all backends crashed with the same output, this would
diff --git a/tools/jfuzz/run_dex_fuzz_test.py b/tools/jfuzz/run_dex_fuzz_test.py
index 50c4f20..34a92f6 100755
--- a/tools/jfuzz/run_dex_fuzz_test.py
+++ b/tools/jfuzz/run_dex_fuzz_test.py
@@ -19,7 +19,7 @@
 import shutil
 import sys
 
-from subprocess import check_call
+from subprocess import call
 from tempfile import mkdtemp
 
 sys.path.append(os.path.dirname(os.path.dirname(
@@ -75,6 +75,9 @@
     top = GetEnvVariableOrError('ANDROID_BUILD_TOP')
     self._dexfuzz_env['PATH'] = (top + '/art/tools/bisection_search:' +
                                  self._dexfuzz_env['PATH'])
+    android_root = GetEnvVariableOrError('ANDROID_HOST_OUT')
+    self._dexfuzz_env['ANDROID_ROOT'] = android_root
+    self._dexfuzz_env['LD_LIBRARY_PATH'] = android_root + '/lib'
     os.chdir(self._dexfuzz_dir)
     os.mkdir('divergent_programs')
     os.mkdir('bisection_outputs')
@@ -119,24 +122,30 @@
   def RunDexFuzz(self):
     """Starts the DexFuzz testing."""
     os.chdir(self._dexfuzz_dir)
-    dexfuzz_args = ['--inputs=' + self._inputs_dir, '--execute',
-                    '--execute-class=Test', '--repeat=' + str(self._num_tests),
-                    '--dump-output', '--interpreter', '--optimizing',
+    dexfuzz_args = ['--inputs=' + self._inputs_dir,
+                    '--execute',
+                    '--execute-class=Test',
+                    '--repeat=' + str(self._num_tests),
+                    '--dump-output', '--dump-verify',
+                    '--interpreter', '--optimizing',
                     '--bisection-search']
     if self._device is not None:
       dexfuzz_args += ['--device=' + self._device, '--allarm']
     else:
       dexfuzz_args += ['--host']  # Assume host otherwise.
-    check_call(['dexfuzz'] + dexfuzz_args, env=self._dexfuzz_env)
-    # TODO: summarize findings.
+    cmd = ['dexfuzz'] + dexfuzz_args
+    print('**** Running ****\n\n', cmd, '\n')
+    call(cmd, env=self._dexfuzz_env)
+    print('\n**** Results (report.log) ****\n')
+    call(['tail', '-n 24', 'report.log'])
 
 
 def main():
   # Handle arguments.
   parser = argparse.ArgumentParser()
-  parser.add_argument('--num_tests', default=10000,
+  parser.add_argument('--num_tests', default=1000,
                       type=int, help='number of tests to run')
-  parser.add_argument('--num_inputs', default=50,
+  parser.add_argument('--num_inputs', default=10,
                       type=int, help='number of JFuzz program to generate')
   parser.add_argument('--device', help='target device serial number')
   args = parser.parse_args()
diff --git a/tools/jfuzz/run_jfuzz_test_nightly.py b/tools/jfuzz/run_jfuzz_test_nightly.py
index 29595f2..a9f8365 100755
--- a/tools/jfuzz/run_jfuzz_test_nightly.py
+++ b/tools/jfuzz/run_jfuzz_test_nightly.py
@@ -26,9 +26,6 @@
 from tempfile import mkdtemp
 from tempfile import TemporaryFile
 
-# Default arguments for run_jfuzz_test.py.
-DEFAULT_ARGS = ['--num_tests=20000']
-
 # run_jfuzz_test.py success string.
 SUCCESS_STRING = 'success (no divergences)'
 
@@ -36,17 +33,22 @@
 NOT_FOUND = -1
 
 def main(argv):
+  # Set up.
   cwd = os.path.dirname(os.path.realpath(__file__))
-  cmd = [cwd + '/run_jfuzz_test.py'] + DEFAULT_ARGS
+  cmd = [cwd + '/run_jfuzz_test.py']
   parser = argparse.ArgumentParser()
   parser.add_argument('--num_proc', default=8,
                       type=int, help='number of processes to run')
   # Unknown arguments are passed to run_jfuzz_test.py.
   (args, unknown_args) = parser.parse_known_args()
+  # Run processes.
+  cmd = cmd + unknown_args
+  print('\n**** Running ****\n\n', cmd, '\n')
   output_files = [TemporaryFile('wb+') for _ in range(args.num_proc)]
   processes = []
-  for output_file in output_files:
-    processes.append(subprocess.Popen(cmd + unknown_args, stdout=output_file,
+  for i, output_file in enumerate(output_files):
+    print('Tester', i)
+    processes.append(subprocess.Popen(cmd, stdout=output_file,
                                       stderr=subprocess.STDOUT))
   try:
     # Wait for processes to terminate.
@@ -56,6 +58,7 @@
     for proc in processes:
       proc.kill()
   # Output results.
+  print('\n**** Results ****\n')
   output_dirs = []
   for i, output_file in enumerate(output_files):
     output_file.seek(0)
@@ -65,20 +68,24 @@
     directory_match = re.search(r'Directory[^:]*: ([^\n]+)\n', output_str)
     if directory_match:
       output_dirs.append(directory_match.group(1))
-    print('Tester', i)
     if output_str.find(SUCCESS_STRING) == NOT_FOUND:
-      print(output_str)
+      print('Tester', i, output_str)
     else:
-      print(SUCCESS_STRING)
+      print('Tester', i, SUCCESS_STRING)
   # Gather divergences.
   global_out_dir = mkdtemp('jfuzz_nightly')
-  divergence_nr = 1
+  divergence_nr = 0
   for out_dir in output_dirs:
     for divergence_dir in glob(out_dir + '/divergence*/'):
+      divergence_nr += 1
       shutil.copytree(divergence_dir,
                       global_out_dir + '/divergence' + str(divergence_nr))
-      divergence_nr += 1
-  print('Global output directory:', global_out_dir)
+  if divergence_nr > 0:
+    print('\n!!!! Divergences !!!!', divergence_nr)
+  else:
+    print ('\nSuccess')
+  print('\nGlobal output directory:', global_out_dir)
+  print()
 
 if __name__ == '__main__':
   main(sys.argv)