Home | History | Annotate | Download | only in jit 
      1 /*
      2  * Copyright (C) 2015 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 #ifndef ART_RUNTIME_JIT_DEBUGGER_INTERFACE_H_
     18 #define ART_RUNTIME_JIT_DEBUGGER_INTERFACE_H_
     19 
     20 #include <inttypes.h>
     21 #include <vector>
     22 
     23 #include "arch/instruction_set_features.h"
     24 #include "base/array_ref.h"
     25 #include "base/locks.h"
     26 
     27 namespace art {
     28 
     29 class DexFile;
     30 class Thread;
     31 
     32 // This method is declared in the compiler library.
     33 // We need to pass it by pointer to be able to call it from runtime.
     34 typedef std::vector<uint8_t> PackElfFileForJITFunction(
     35     InstructionSet isa,
     36     const InstructionSetFeatures* features,
     37     std::vector<ArrayRef<const uint8_t>>& added_elf_files,
     38     std::vector<const void*>& removed_symbols,
     39     /*out*/ size_t* num_symbols);
     40 
     41 // Notify native tools (e.g. libunwind) that DEX file has been opened.
     42 void AddNativeDebugInfoForDex(Thread* self, const DexFile* dexfile);
     43 
     44 // Notify native tools (e.g. libunwind) that DEX file has been closed.
     45 void RemoveNativeDebugInfoForDex(Thread* self, const DexFile* dexfile);
     46 
     47 // Notify native tools (e.g. libunwind) that JIT has compiled a new method.
     48 // The method will make copy of the passed ELF file (to shrink it to the minimum size).
     49 void AddNativeDebugInfoForJit(Thread* self,
     50                               const void* code_ptr,
     51                               const std::vector<uint8_t>& symfile,
     52                               PackElfFileForJITFunction pack,
     53                               InstructionSet isa,
     54                               const InstructionSetFeatures* features);
     55 
     56 // Notify native tools (e.g. libunwind) that JIT code has been garbage collected.
     57 void RemoveNativeDebugInfoForJit(Thread* self, const void* code_ptr);
     58 
     59 // Returns approximate memory used by debug info for JIT code.
     60 size_t GetJitMiniDebugInfoMemUsage();
     61 
     62 }  // namespace art
     63 
     64 #endif  // ART_RUNTIME_JIT_DEBUGGER_INTERFACE_H_
     65