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 */
45bool dvmVerifyObjectInClass(Object* obj, ClassObject* clazz);
46
47/*
48 * Find a class by name, initializing it if requested.
49 */
50ClassObject* 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 */
63u4 dvmFixMethodFlags(u4 flags);
64
65/*
66 * dvmHashTableFree callback for some DexFile operations.
67 */
68void 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 */
78bool dvmIsPrivilegedMethod(const Method* method);
79
80
81/*
82 * Tables of methods.
83 */
84extern const DalvikNativeMethod dvm_java_lang_Object[];
85extern const DalvikNativeMethod dvm_java_lang_Class[];
86extern const DalvikNativeMethod dvm_java_lang_Runtime[];
87extern const DalvikNativeMethod dvm_java_lang_String[];
88extern const DalvikNativeMethod dvm_java_lang_System[];
89extern const DalvikNativeMethod dvm_java_lang_SystemProperties[];
90extern const DalvikNativeMethod dvm_java_lang_Throwable[];
91extern const DalvikNativeMethod dvm_java_lang_VMClassLoader[];
92extern const DalvikNativeMethod dvm_java_lang_VMThread[];
93extern const DalvikNativeMethod dvm_java_lang_reflect_AccessibleObject[];
94extern const DalvikNativeMethod dvm_java_lang_reflect_Array[];
95extern const DalvikNativeMethod dvm_java_lang_reflect_Constructor[];
96extern const DalvikNativeMethod dvm_java_lang_reflect_Field[];
97extern const DalvikNativeMethod dvm_java_lang_reflect_Method[];
98extern const DalvikNativeMethod dvm_java_lang_reflect_Proxy[];
99extern const DalvikNativeMethod dvm_java_security_AccessController[];
100extern const DalvikNativeMethod dvm_java_util_concurrent_atomic_AtomicLong[];
101extern const DalvikNativeMethod dvm_dalvik_system_SamplingProfiler[];
102extern const DalvikNativeMethod dvm_dalvik_system_VMDebug[];
103extern const DalvikNativeMethod dvm_dalvik_system_DexFile[];
104extern const DalvikNativeMethod dvm_dalvik_system_VMRuntime[];
105extern const DalvikNativeMethod dvm_dalvik_system_Zygote[];
106extern const DalvikNativeMethod dvm_dalvik_system_VMStack[];
107extern const DalvikNativeMethod dvm_org_apache_harmony_dalvik_ddmc_DdmServer[];
108extern const DalvikNativeMethod dvm_org_apache_harmony_dalvik_ddmc_DdmVmInternal[];
109extern const DalvikNativeMethod dvm_org_apache_harmony_dalvik_NativeTestTarget[];
110extern const DalvikNativeMethod dvm_sun_misc_Unsafe[];
111
112#endif /*_DALVIK_NATIVE_INTERNALNATIVEPRIV*/
113