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      1 /*
      2  * Copyright (C) 2011 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  * Handling of method debug info in a .dex file.
     19  */
     20 
     21 #ifndef LIBDEX_DEXDEBUGINFO_H_
     22 #define LIBDEX_DEXDEBUGINFO_H_
     23 
     24 #include "DexFile.h"
     25 
     26 /*
     27  * Callback for "new position table entry".
     28  * Returning non-0 causes the decoder to stop early.
     29  */
     30 typedef int (*DexDebugNewPositionCb)(void *cnxt, u4 address, u4 lineNum);
     31 
     32 /*
     33  * Callback for "new locals table entry". "signature" is an empty string
     34  * if no signature is available for an entry.
     35  */
     36 typedef void (*DexDebugNewLocalCb)(void *cnxt, u2 reg, u4 startAddress,
     37         u4 endAddress, const char *name, const char *descriptor,
     38         const char *signature);
     39 
     40 /*
     41  * Decode debug info for method.
     42  *
     43  * posCb is called in ascending address order.
     44  * localCb is called in order of ascending end address.
     45  */
     46 void dexDecodeDebugInfo(
     47             const DexFile* pDexFile,
     48             const DexCode* pDexCode,
     49             const char* classDescriptor,
     50             u4 protoIdx,
     51             u4 accessFlags,
     52             DexDebugNewPositionCb posCb, DexDebugNewLocalCb localCb,
     53             void* cnxt);
     54 
     55 #endif  // LIBDEX_DEXDEBUGINFO_H_
     56