Home | History | Annotate | Download | only in native
      1 /*
      2  * Copyright (C) 2008 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 /*
     18  * Declarations and definitions common to internal native code.
     19  */
     20 #ifndef DALVIK_NATIVE_INTERNALNATIVEPRIV_H_
     21 #define DALVIK_NATIVE_INTERNALNATIVEPRIV_H_
     22 
     23 /*
     24  * Return macros.  Note we use "->i" instead of "->z" for boolean; this
     25  * is because the interpreter expects everything to be a 32-bit value.
     26  */
     27 #ifdef NDEBUG
     28 # define RETURN_VOID()           do { (void)(pResult); return; } while(0)
     29 #else
     30 # define RETURN_VOID()           do { pResult->i = 0xfefeabab; return; }while(0)
     31 #endif
     32 #define RETURN_BOOLEAN(_val)    do { pResult->i = (_val); return; } while(0)
     33 #define RETURN_INT(_val)        do { pResult->i = (_val); return; } while(0)
     34 #define RETURN_LONG(_val)       do { pResult->j = (_val); return; } while(0)
     35 #define RETURN_FLOAT(_val)      do { pResult->f = (_val); return; } while(0)
     36 #define RETURN_DOUBLE(_val)     do { pResult->d = (_val); return; } while(0)
     37 #define RETURN_PTR(_val)        do { pResult->l = (Object*)(_val); return; } while(0)
     38 
     39 /*
     40  * Normally a method that has an "inline native" will be invoked using
     41  * execute-inline. If the method is invoked via reflection, JNI, or by
     42  * virtual dispatch (in the case of String.equals, which we may arrive
     43  * at via Object.equals), we need a non-"inline native" implementation.
     44  *
     45  * This macro is used to implement the native methods that bridge this gap.
     46  */
     47 #define MAKE_INTRINSIC_TRAMPOLINE(INTRINSIC_FN) \
     48     extern bool INTRINSIC_FN(u4 arg0, u4 arg1, u4 arg2, u4 arg3, \
     49             JValue* pResult); \
     50     INTRINSIC_FN(args[0], args[1], args[2], args[3], pResult);
     51 
     52 /*
     53  * Verify that "obj" is non-null and is an instance of "clazz".
     54  *
     55  * Returns "false" and throws an exception if not.
     56  */
     57 bool dvmVerifyObjectInClass(Object* obj, ClassObject* clazz);
     58 
     59 /*
     60  * Find a class by name, initializing it if requested.
     61  */
     62 ClassObject* dvmFindClassByName(StringObject* nameObj, Object* loader,
     63     bool doInit);
     64 
     65 /*
     66  * We insert native method stubs for abstract methods so we don't have to
     67  * check the access flags at the time of the method call.  This results in
     68  * "native abstract" methods, which can't exist.  If we see the "abstract"
     69  * flag set, clear the "native" flag.
     70  *
     71  * We also move the DECLARED_SYNCHRONIZED flag into the SYNCHRONIZED
     72  * position, because the callers of this function are trying to convey
     73  * the "traditional" meaning of the flags to their callers.
     74  */
     75 u4 dvmFixMethodFlags(u4 flags);
     76 
     77 /*
     78  * dvmHashTableFree callback for some DexFile operations.
     79  */
     80 void dvmFreeDexOrJar(void* vptr);
     81 
     82 /*
     83  * Tables of methods.
     84  */
     85 extern const DalvikNativeMethod dvm_java_lang_Object[];
     86 extern const DalvikNativeMethod dvm_java_lang_Class[];
     87 extern const DalvikNativeMethod dvm_java_lang_Double[];
     88 extern const DalvikNativeMethod dvm_java_lang_Float[];
     89 extern const DalvikNativeMethod dvm_java_lang_Math[];
     90 extern const DalvikNativeMethod dvm_java_lang_Runtime[];
     91 extern const DalvikNativeMethod dvm_java_lang_String[];
     92 extern const DalvikNativeMethod dvm_java_lang_System[];
     93 extern const DalvikNativeMethod dvm_java_lang_Throwable[];
     94 extern const DalvikNativeMethod dvm_java_lang_VMClassLoader[];
     95 extern const DalvikNativeMethod dvm_java_lang_VMThread[];
     96 extern const DalvikNativeMethod dvm_java_lang_reflect_AccessibleObject[];
     97 extern const DalvikNativeMethod dvm_java_lang_reflect_Array[];
     98 extern const DalvikNativeMethod dvm_java_lang_reflect_Constructor[];
     99 extern const DalvikNativeMethod dvm_java_lang_reflect_Field[];
    100 extern const DalvikNativeMethod dvm_java_lang_reflect_Method[];
    101 extern const DalvikNativeMethod dvm_java_lang_reflect_Proxy[];
    102 extern const DalvikNativeMethod dvm_java_util_concurrent_atomic_AtomicLong[];
    103 extern const DalvikNativeMethod dvm_dalvik_bytecode_OpcodeInfo[];
    104 extern const DalvikNativeMethod dvm_dalvik_system_SamplingProfiler[];
    105 extern const DalvikNativeMethod dvm_dalvik_system_VMDebug[];
    106 extern const DalvikNativeMethod dvm_dalvik_system_DexFile[];
    107 extern const DalvikNativeMethod dvm_dalvik_system_VMRuntime[];
    108 extern const DalvikNativeMethod dvm_dalvik_system_Zygote[];
    109 extern const DalvikNativeMethod dvm_dalvik_system_VMStack[];
    110 extern const DalvikNativeMethod dvm_org_apache_harmony_dalvik_ddmc_DdmServer[];
    111 extern const DalvikNativeMethod dvm_org_apache_harmony_dalvik_ddmc_DdmVmInternal[];
    112 extern const DalvikNativeMethod dvm_org_apache_harmony_dalvik_NativeTestTarget[];
    113 extern const DalvikNativeMethod dvm_sun_misc_Unsafe[];
    114 
    115 #endif  // DALVIK_NATIVE_INTERNALNATIVEPRIV_H_
    116