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      1 /*
      2  * Copyright (C) 2012 The Android Open Source Project
      3  *
      4  * Licensed under the Apache License, Version 2.0 (the "License");
      5  * you may not use this file except in compliance with the License.
      6  * You may obtain a copy of the License at
      7  *
      8  *      http://www.apache.org/licenses/LICENSE-2.0
      9  *
     10  * Unless required by applicable law or agreed to in writing, software
     11  * distributed under the License is distributed on an "AS IS" BASIS,
     12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     13  * See the License for the specific language governing permissions and
     14  * limitations under the License.
     15  */
     16 
     17 #ifndef ART_RUNTIME_ENTRYPOINTS_RUNTIME_ASM_ENTRYPOINTS_H_
     18 #define ART_RUNTIME_ENTRYPOINTS_RUNTIME_ASM_ENTRYPOINTS_H_
     19 
     20 #include "deoptimization_kind.h"
     21 
     22 namespace art {
     23 
     24 #ifndef BUILDING_LIBART
     25 #error "File and symbols only for use within libart."
     26 #endif
     27 
     28 extern "C" void* art_jni_dlsym_lookup_stub(JNIEnv*, jobject);
     29 static inline const void* GetJniDlsymLookupStub() {
     30   return reinterpret_cast<const void*>(art_jni_dlsym_lookup_stub);
     31 }
     32 
     33 // Return the address of quick stub code for handling IMT conflicts.
     34 extern "C" void art_quick_imt_conflict_trampoline(ArtMethod*);
     35 static inline const void* GetQuickImtConflictStub() {
     36   return reinterpret_cast<const void*>(art_quick_imt_conflict_trampoline);
     37 }
     38 
     39 // Return the address of quick stub code for bridging from quick code to the interpreter.
     40 extern "C" void art_quick_to_interpreter_bridge(ArtMethod*);
     41 static inline const void* GetQuickToInterpreterBridge() {
     42   return reinterpret_cast<const void*>(art_quick_to_interpreter_bridge);
     43 }
     44 
     45 // Return the address of stub code for attempting to invoke an obsolete method.
     46 extern "C" void art_invoke_obsolete_method_stub(ArtMethod*);
     47 static inline const void* GetInvokeObsoleteMethodStub() {
     48   return reinterpret_cast<const void*>(art_invoke_obsolete_method_stub);
     49 }
     50 
     51 // Return the address of quick stub code for handling JNI calls.
     52 extern "C" void art_quick_generic_jni_trampoline(ArtMethod*);
     53 static inline const void* GetQuickGenericJniStub() {
     54   return reinterpret_cast<const void*>(art_quick_generic_jni_trampoline);
     55 }
     56 
     57 // Return the address of quick stub code for handling transitions into the proxy invoke handler.
     58 extern "C" void art_quick_proxy_invoke_handler();
     59 static inline const void* GetQuickProxyInvokeHandler() {
     60   return reinterpret_cast<const void*>(art_quick_proxy_invoke_handler);
     61 }
     62 
     63 // Return the address of quick stub code for resolving a method at first call.
     64 extern "C" void art_quick_resolution_trampoline(ArtMethod*);
     65 static inline const void* GetQuickResolutionStub() {
     66   return reinterpret_cast<const void*>(art_quick_resolution_trampoline);
     67 }
     68 
     69 // Entry point for quick code that performs deoptimization.
     70 extern "C" void art_quick_deoptimize();
     71 static inline const void* GetQuickDeoptimizationEntryPoint() {
     72   return reinterpret_cast<const void*>(art_quick_deoptimize);
     73 }
     74 
     75 // Return address of instrumentation entry point used by non-interpreter based tracing.
     76 extern "C" void art_quick_instrumentation_entry(void*);
     77 static inline const void* GetQuickInstrumentationEntryPoint() {
     78   return reinterpret_cast<const void*>(art_quick_instrumentation_entry);
     79 }
     80 
     81 // Stub to deoptimize from compiled code.
     82 extern "C" void art_quick_deoptimize_from_compiled_code(DeoptimizationKind);
     83 
     84 // The return_pc of instrumentation exit stub.
     85 extern "C" void art_quick_instrumentation_exit();
     86 static inline const void* GetQuickInstrumentationExitPc() {
     87   return reinterpret_cast<const void*>(art_quick_instrumentation_exit);
     88 }
     89 
     90 }  // namespace art
     91 
     92 #endif  // ART_RUNTIME_ENTRYPOINTS_RUNTIME_ASM_ENTRYPOINTS_H_
     93