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📄 ArmUnwindInfo.h(2.11 KB)
📄 Block.h(13.94 KB)
📄 CallFrameInfo.h(879 B)
📄 CompactUnwindInfo.h(7.08 KB)
📄 CompileUnit.h(17.69 KB)
📄 CompilerDecl.h(2.93 KB)
📄 CompilerDeclContext.h(4.55 KB)
📄 CompilerType.h(13.99 KB)
📄 DWARFCallFrameInfo.h(6.16 KB)
📄 DebugMacros.h(2.58 KB)
📄 DeclVendor.h(2.25 KB)
📄 Declaration.h(6.13 KB)
📄 FuncUnwinders.h(6.25 KB)
📄 Function.h(23.39 KB)
📄 LineEntry.h(6.81 KB)
📄 LineTable.h(12.44 KB)
📄 LocateSymbolFile.h(2.11 KB)
📄 ObjectContainer.h(6.54 KB)
📄 ObjectFile.h(27.59 KB)
📄 PostfixExpression.h(7.28 KB)
📄 SourceModule.h(769 B)
📄 Symbol.h(10.08 KB)
📄 SymbolContext.h(17.49 KB)
📄 SymbolContextScope.h(4.27 KB)
📄 SymbolFile.h(12.88 KB)
📄 SymbolVendor.h(2.14 KB)
📄 Symtab.h(9.22 KB)
📄 TaggedASTType.h(1.3 KB)
📄 Type.h(15.09 KB)
📄 TypeList.h(1.91 KB)
📄 TypeMap.h(2.04 KB)
📄 TypeSystem.h(20.54 KB)
📄 UnwindPlan.h(18.46 KB)
📄 UnwindTable.h(2.97 KB)
📄 Variable.h(4.84 KB)
📄 VariableList.h(2.88 KB)

Editing: ArmUnwindInfo.h

//===-- ArmUnwindInfo.h -----------------------------------------*- C++ -*-===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//

#ifndef LLDB_SYMBOL_ARMUNWINDINFO_H
#define LLDB_SYMBOL_ARMUNWINDINFO_H

#include "lldb/Symbol/ObjectFile.h"
#include "lldb/Utility/DataExtractor.h"
#include "lldb/Utility/RangeMap.h"
#include "lldb/lldb-private.h"
#include <vector>

/*
 * Unwind information reader and parser for the ARM exception handling ABI
 *
 * Implemented based on:
 *     Exception Handling ABI for the ARM Architecture
 *     Document number: ARM IHI 0038A (current through ABI r2.09)
 *     Date of Issue: 25th January 2007, reissued 30th November 2012
 *     http://infocenter.arm.com/help/topic/com.arm.doc.ihi0038a/IHI0038A_ehabi.pdf
 */

namespace lldb_private {

class ArmUnwindInfo {
public:
  ArmUnwindInfo(ObjectFile &objfile, lldb::SectionSP &arm_exidx,
                lldb::SectionSP &arm_extab);

~ArmUnwindInfo();

bool GetUnwindPlan(Target &target, const Address &addr,
                     UnwindPlan &unwind_plan);

private:
  struct ArmExidxEntry {
    ArmExidxEntry(uint32_t f, lldb::addr_t a, uint32_t d);

bool operator<(const ArmExidxEntry &other) const;

uint32_t file_address;
    lldb::addr_t address;
    uint32_t data;
  };

const uint8_t *GetExceptionHandlingTableEntry(const Address &addr);

uint8_t GetByteAtOffset(const uint32_t *data, uint16_t offset) const;

uint64_t GetULEB128(const uint32_t *data, uint16_t &offset,
                      uint16_t max_offset) const;

const lldb::ByteOrder m_byte_order;
  lldb::SectionSP m_arm_exidx_sp; // .ARM.exidx section
  lldb::SectionSP m_arm_extab_sp; // .ARM.extab section
  DataExtractor m_arm_exidx_data; // .ARM.exidx section data
  DataExtractor m_arm_extab_data; // .ARM.extab section data
  std::vector<ArmExidxEntry> m_exidx_entries;
};

} // namespace lldb_private

#endif // LLDB_SYMBOL_ARMUNWINDINFO_H

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