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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  * Dalvik classfile verification.
19  */
20 #ifndef _DALVIK_DEXVERIFY
21 #define _DALVIK_DEXVERIFY
22 
23 /*
24  * Global verification mode.  These must be in order from least verification
25  * to most.  If we're using "exact GC", we may need to perform some of
26  * the verification steps anyway.
27  */
28 typedef enum {
29     VERIFY_MODE_UNKNOWN = 0,
30     VERIFY_MODE_NONE,
31     VERIFY_MODE_REMOTE,
32     VERIFY_MODE_ALL
33 } DexClassVerifyMode;
34 
35 /*
36  * Bit values for dvmVerifyClass() "verifyFlags" arg.
37  *
38  * (Verification is currently a prerequisite for optimization, not an
39  * after-effect, so we don't currently use VERIFY_ALLOW_OPT_INSTRS.)
40  */
41 enum {
42     VERIFY_DEFAULT              = 0,
43     VERIFY_ALLOW_OPT_INSTRS     = 1,    // allow instrs emitted by optimizer
44 };
45 
46 bool dvmVerificationStartup(void);
47 void dvmVerificationShutdown(void);
48 
49 /*
50  * Perform verification on all classes loaded from this DEX file.  This
51  * should be done before optimization.
52  */
53 bool dvmVerifyAllClasses(DexFile* pDexFile);
54 
55 /*
56  * Verify a single class.
57  */
58 bool dvmVerifyClass(ClassObject* clazz, int verifyFlags);
59 
60 /*
61  * Release the storage associated with a RegisterMap.
62  */
63 void dvmFreeRegisterMap(RegisterMap* pMap);
64 
65 #endif /*_DALVIK_DEXVERIFY*/
66