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 21 #define _DALVIK_NATIVE_INTERNALNATIVEPRIV 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 = (_val); return; } while(0) 38 39 40 /* 41 * Verify that "obj" is non-null and is an instance of "clazz". 42 * 43 * Returns "false" and throws an exception if not. 44 */ 45 bool dvmVerifyObjectInClass(Object* obj, ClassObject* clazz); 46 47 /* 48 * Find a class by name, initializing it if requested. 49 */ 50 ClassObject* dvmFindClassByName(StringObject* nameObj, Object* loader, 51 bool doInit); 52 53 /* 54 * We insert native method stubs for abstract methods so we don't have to 55 * check the access flags at the time of the method call. This results in 56 * "native abstract" methods, which can't exist. If we see the "abstract" 57 * flag set, clear the "native" flag. 58 * 59 * We also move the DECLARED_SYNCHRONIZED flag into the SYNCHRONIZED 60 * position, because the callers of this function are trying to convey 61 * the "traditional" meaning of the flags to their callers. 62 */ 63 u4 dvmFixMethodFlags(u4 flags); 64 65 /* 66 * dvmHashTableFree callback for some DexFile operations. 67 */ 68 void dvmFreeDexOrJar(void* vptr); 69 70 /* 71 * Determine if "method" is a "privileged" invocation, i.e. is it one 72 * of the variations of AccessController.doPrivileged(). 73 * 74 * Because the security stuff pulls in a pile of stuff that we may not 75 * want or need, we don't do the class/method lookups at init time, but 76 * instead on first use. 77 */ 78 bool dvmIsPrivilegedMethod(const Method* method); 79 80 81 /* 82 * Tables of methods. 83 */ 84 extern const DalvikNativeMethod dvm_java_lang_Object[]; 85 extern const DalvikNativeMethod dvm_java_lang_Class[]; 86 extern const DalvikNativeMethod dvm_java_lang_Runtime[]; 87 extern const DalvikNativeMethod dvm_java_lang_String[]; 88 extern const DalvikNativeMethod dvm_java_lang_System[]; 89 extern const DalvikNativeMethod dvm_java_lang_SystemProperties[]; 90 extern const DalvikNativeMethod dvm_java_lang_Throwable[]; 91 extern const DalvikNativeMethod dvm_java_lang_VMClassLoader[]; 92 extern const DalvikNativeMethod dvm_java_lang_VMThread[]; 93 extern const DalvikNativeMethod dvm_java_lang_reflect_AccessibleObject[]; 94 extern const DalvikNativeMethod dvm_java_lang_reflect_Array[]; 95 extern const DalvikNativeMethod dvm_java_lang_reflect_Constructor[]; 96 extern const DalvikNativeMethod dvm_java_lang_reflect_Field[]; 97 extern const DalvikNativeMethod dvm_java_lang_reflect_Method[]; 98 extern const DalvikNativeMethod dvm_java_lang_reflect_Proxy[]; 99 extern const DalvikNativeMethod dvm_java_security_AccessController[]; 100 extern const DalvikNativeMethod dvm_java_util_concurrent_atomic_AtomicLong[]; 101 extern const DalvikNativeMethod dvm_dalvik_system_SamplingProfiler[]; 102 extern const DalvikNativeMethod dvm_dalvik_system_VMDebug[]; 103 extern const DalvikNativeMethod dvm_dalvik_system_DexFile[]; 104 extern const DalvikNativeMethod dvm_dalvik_system_VMRuntime[]; 105 extern const DalvikNativeMethod dvm_dalvik_system_Zygote[]; 106 extern const DalvikNativeMethod dvm_dalvik_system_VMStack[]; 107 extern const DalvikNativeMethod dvm_org_apache_harmony_dalvik_ddmc_DdmServer[]; 108 extern const DalvikNativeMethod dvm_org_apache_harmony_dalvik_ddmc_DdmVmInternal[]; 109 extern const DalvikNativeMethod dvm_org_apache_harmony_dalvik_NativeTestTarget[]; 110 extern const DalvikNativeMethod dvm_sun_misc_Unsafe[]; 111 112 #endif /*_DALVIK_NATIVE_INTERNALNATIVEPRIV*/ 113