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Commit 8642fcba authored by Christopher Ferris's avatar Christopher Ferris
Browse files

Add the Dwarf CFA handling. 

Bug: 23762183

Test: Ran new unit tests.
Change-Id: I31abac1238cc671b78a505da655fb6298be072b4
parent 39aee463

libunwindstack/Android.bp

+3 −0
Original line number Diff line number Diff line
@@ -47,6 +47,7 @@ cc_defaults { 


    srcs: [

        "ArmExidx.cpp",

        "DwarfCfa.cpp",

        "DwarfMemory.cpp",

        "DwarfOp.cpp",

        "Elf.cpp",
@@ -92,6 +93,8 @@ cc_defaults { 
    srcs: [

        "tests/ArmExidxDecodeTest.cpp",

        "tests/ArmExidxExtractTest.cpp",

        "tests/DwarfCfaLogTest.cpp",

        "tests/DwarfCfaTest.cpp",

        "tests/DwarfMemoryTest.cpp",

        "tests/DwarfOpLogTest.cpp",

        "tests/DwarfOpTest.cpp",

libunwindstack/DwarfCfa.cpp

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libunwindstack/DwarfCfa.h

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libunwindstack/DwarfLocation.h

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/*

 * Copyright (C) 2016 The Android Open Source Project

 *

 * Licensed under the Apache License, Version 2.0 (the "License");

 * you may not use this file except in compliance with the License.

 * You may obtain a copy of the License at

 *

 *      http://www.apache.org/licenses/LICENSE-2.0

 *

 * Unless required by applicable law or agreed to in writing, software

 * distributed under the License is distributed on an "AS IS" BASIS,

 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

 * See the License for the specific language governing permissions and

 * limitations under the License.

 */



#ifndef _LIBUNWINDSTACK_DWARF_LOCATION_H

#define _LIBUNWINDSTACK_DWARF_LOCATION_H



#include <stdint.h>



#include <unordered_map>



enum DwarfLocationEnum : uint8_t {

  DWARF_LOCATION_INVALID = 0,

  DWARF_LOCATION_UNDEFINED,

  DWARF_LOCATION_OFFSET,

  DWARF_LOCATION_VAL_OFFSET,

  DWARF_LOCATION_REGISTER,

  DWARF_LOCATION_EXPRESSION,

  DWARF_LOCATION_VAL_EXPRESSION,

};



struct DwarfLocation {

  DwarfLocationEnum type;

  uint64_t values[2];

};



typedef std::unordered_map<uint16_t, DwarfLocation> dwarf_loc_regs_t;



#endif  // _LIBUNWINDSTACK_DWARF_LOCATION_H

libunwindstack/DwarfStructs.h

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