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📄 Address.h(19.2 KB)
📄 AddressRange.h(8.4 KB)
📄 AddressResolver.h(1.9 KB)
📄 AddressResolverFileLine.h(1.93 KB)
📄 AddressResolverName.h(2.12 KB)
📄 Architecture.h(4.65 KB)
📄 Communication.h(14.32 KB)
📄 Debugger.h(13.51 KB)
📄 Disassembler.h(18.46 KB)
📄 DumpDataExtractor.h(3.58 KB)
📄 DumpRegisterValue.h(1013 B)
📄 EmulateInstruction.h(19.35 KB)
📄 FileLineResolver.h(2.15 KB)
📄 FileSpecList.h(5.88 KB)
📄 FormatEntity.h(6.2 KB)
📄 Highlighter.h(5.49 KB)
📄 IOHandler.h(16.98 KB)
📄 IOHandlerCursesGUI.h(928 B)
📄 IOStreamMacros.h(1.87 KB)
📄 LoadedModuleInfoList.h(2.86 KB)
📄 Mangled.h(9.11 KB)
📄 MappedHash.h(11.58 KB)
📄 Module.h(42.01 KB)
📄 ModuleChild.h(1.73 KB)
📄 ModuleList.h(17.43 KB)
📄 ModuleSpec.h(11.82 KB)
📄 Opcode.h(6.75 KB)
📄 PluginInterface.h(724 B)
📄 PluginManager.h(17.12 KB)
📄 PropertiesBase.td(1.3 KB)
📄 RichManglingContext.h(3.78 KB)
📄 SearchFilter.h(14.2 KB)
📄 Section.h(9.83 KB)
📄 SourceManager.h(5.59 KB)
📄 StreamAsynchronousIO.h(973 B)
📄 StreamBuffer.h(1.66 KB)
📄 StreamFile.h(1.59 KB)
📄 StructuredDataImpl.h(4.28 KB)
📄 ThreadSafeDenseMap.h(1.59 KB)
📄 ThreadSafeDenseSet.h(1.31 KB)
📄 ThreadSafeValue.h(1.62 KB)
📄 UniqueCStringMap.h(7.76 KB)
📄 UserSettingsController.h(3.21 KB)
📄 Value.h(6.99 KB)
📄 ValueObject.h(36.66 KB)
📄 ValueObjectCast.h(1.84 KB)
📄 ValueObjectChild.h(2.82 KB)
📄 ValueObjectConstResult.h(5.79 KB)
📄 ValueObjectConstResultCast.h(2.26 KB)
📄 ValueObjectConstResultChild.h(2.75 KB)
📄 ValueObjectConstResultImpl.h(2.66 KB)
📄 ValueObjectDynamicValue.h(3.72 KB)
📄 ValueObjectList.h(1.69 KB)
📄 ValueObjectMemory.h(2.59 KB)
📄 ValueObjectRegister.h(4.09 KB)
📄 ValueObjectSyntheticFilter.h(5.05 KB)
📄 ValueObjectVariable.h(2.64 KB)
📄 dwarf.h(3.19 KB)

Editing: Opcode.h

//===-- Opcode.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_CORE_OPCODE_H
#define LLDB_CORE_OPCODE_H

#include "lldb/Utility/Endian.h"
#include "lldb/lldb-enumerations.h"

#include "llvm/Support/SwapByteOrder.h"

#include <assert.h>
#include <stdint.h>
#include <string.h>

namespace lldb {
class SBInstruction;
}

namespace lldb_private {
class DataExtractor;
class Stream;

class Opcode {
public:
  enum Type {
    eTypeInvalid,
    eType8,
    eType16,
    eType16_2, // a 32-bit Thumb instruction, made up of two words
    eType32,
    eType64,
    eTypeBytes
  };

Opcode() : m_byte_order(lldb::eByteOrderInvalid), m_type(eTypeInvalid) {}

Opcode(uint8_t inst, lldb::ByteOrder order)
      : m_byte_order(order), m_type(eType8) {
    m_data.inst8 = inst;
  }

Opcode(uint16_t inst, lldb::ByteOrder order)
      : m_byte_order(order), m_type(eType16) {
    m_data.inst16 = inst;
  }

Opcode(uint32_t inst, lldb::ByteOrder order)
      : m_byte_order(order), m_type(eType32) {
    m_data.inst32 = inst;
  }

Opcode(uint64_t inst, lldb::ByteOrder order)
      : m_byte_order(order), m_type(eType64) {
    m_data.inst64 = inst;
  }

Opcode(uint8_t *bytes, size_t length)
      : m_byte_order(lldb::eByteOrderInvalid) {
    SetOpcodeBytes(bytes, length);
  }

void Clear() {
    m_byte_order = lldb::eByteOrderInvalid;
    m_type = Opcode::eTypeInvalid;
  }

Opcode::Type GetType() const { return m_type; }

uint8_t GetOpcode8(uint8_t invalid_opcode = UINT8_MAX) const {
    switch (m_type) {
    case Opcode::eTypeInvalid:
      break;
    case Opcode::eType8:
      return m_data.inst8;
    case Opcode::eType16:
      break;
    case Opcode::eType16_2:
      break;
    case Opcode::eType32:
      break;
    case Opcode::eType64:
      break;
    case Opcode::eTypeBytes:
      break;
    }
    return invalid_opcode;
  }

uint16_t GetOpcode16(uint16_t invalid_opcode = UINT16_MAX) const {
    switch (m_type) {
    case Opcode::eTypeInvalid:
      break;
    case Opcode::eType8:
      return m_data.inst8;
    case Opcode::eType16:
      return GetEndianSwap() ? llvm::ByteSwap_16(m_data.inst16) : m_data.inst16;
    case Opcode::eType16_2:
      break;
    case Opcode::eType32:
      break;
    case Opcode::eType64:
      break;
    case Opcode::eTypeBytes:
      break;
    }
    return invalid_opcode;
  }

uint32_t GetOpcode32(uint32_t invalid_opcode = UINT32_MAX) const {
    switch (m_type) {
    case Opcode::eTypeInvalid:
      break;
    case Opcode::eType8:
      return m_data.inst8;
    case Opcode::eType16:
      return GetEndianSwap() ? llvm::ByteSwap_16(m_data.inst16) : m_data.inst16;
    case Opcode::eType16_2: // passthrough
    case Opcode::eType32:
      return GetEndianSwap() ? llvm::ByteSwap_32(m_data.inst32) : m_data.inst32;
    case Opcode::eType64:
      break;
    case Opcode::eTypeBytes:
      break;
    }
    return invalid_opcode;
  }

uint64_t GetOpcode64(uint64_t invalid_opcode = UINT64_MAX) const {
    switch (m_type) {
    case Opcode::eTypeInvalid:
      break;
    case Opcode::eType8:
      return m_data.inst8;
    case Opcode::eType16:
      return GetEndianSwap() ? llvm::ByteSwap_16(m_data.inst16) : m_data.inst16;
    case Opcode::eType16_2: // passthrough
    case Opcode::eType32:
      return GetEndianSwap() ? llvm::ByteSwap_32(m_data.inst32) : m_data.inst32;
    case Opcode::eType64:
      return GetEndianSwap() ? llvm::ByteSwap_64(m_data.inst64) : m_data.inst64;
    case Opcode::eTypeBytes:
      break;
    }
    return invalid_opcode;
  }

void SetOpcode8(uint8_t inst, lldb::ByteOrder order) {
    m_type = eType8;
    m_data.inst8 = inst;
    m_byte_order = order;
  }

void SetOpcode16(uint16_t inst, lldb::ByteOrder order) {
    m_type = eType16;
    m_data.inst16 = inst;
    m_byte_order = order;
  }

void SetOpcode16_2(uint32_t inst, lldb::ByteOrder order) {
    m_type = eType16_2;
    m_data.inst32 = inst;
    m_byte_order = order;
  }

void SetOpcode32(uint32_t inst, lldb::ByteOrder order) {
    m_type = eType32;
    m_data.inst32 = inst;
    m_byte_order = order;
  }

void SetOpcode64(uint64_t inst, lldb::ByteOrder order) {
    m_type = eType64;
    m_data.inst64 = inst;
    m_byte_order = order;
  }

void SetOpcodeBytes(const void *bytes, size_t length) {
    if (bytes != nullptr && length > 0) {
      m_type = eTypeBytes;
      m_data.inst.length = length;
      assert(length < sizeof(m_data.inst.bytes));
      memcpy(m_data.inst.bytes, bytes, length);
      m_byte_order = lldb::eByteOrderInvalid;
    } else {
      m_type = eTypeInvalid;
      m_data.inst.length = 0;
    }
  }

int Dump(Stream *s, uint32_t min_byte_width);

const void *GetOpcodeBytes() const {
    return ((m_type == Opcode::eTypeBytes) ? m_data.inst.bytes : nullptr);
  }

uint32_t GetByteSize() const {
    switch (m_type) {
    case Opcode::eTypeInvalid:
      break;
    case Opcode::eType8:
      return sizeof(m_data.inst8);
    case Opcode::eType16:
      return sizeof(m_data.inst16);
    case Opcode::eType16_2: // passthrough
    case Opcode::eType32:
      return sizeof(m_data.inst32);
    case Opcode::eType64:
      return sizeof(m_data.inst64);
    case Opcode::eTypeBytes:
      return m_data.inst.length;
    }
    return 0;
  }

// Get the opcode exactly as it would be laid out in memory.
  uint32_t GetData(DataExtractor &data) const;

protected:
  friend class lldb::SBInstruction;

const void *GetOpcodeDataBytes() const {
    switch (m_type) {
    case Opcode::eTypeInvalid:
      break;
    case Opcode::eType8:
      return &m_data.inst8;
    case Opcode::eType16:
      return &m_data.inst16;
    case Opcode::eType16_2: // passthrough
    case Opcode::eType32:
      return &m_data.inst32;
    case Opcode::eType64:
      return &m_data.inst64;
    case Opcode::eTypeBytes:
      return m_data.inst.bytes;
    }
    return nullptr;
  }

lldb::ByteOrder GetDataByteOrder() const;

bool GetEndianSwap() const {
    return (m_byte_order == lldb::eByteOrderBig &&
            endian::InlHostByteOrder() == lldb::eByteOrderLittle) ||
           (m_byte_order == lldb::eByteOrderLittle &&
            endian::InlHostByteOrder() == lldb::eByteOrderBig);
  }

lldb::ByteOrder m_byte_order;

Opcode::Type m_type;
  union {
    uint8_t inst8;
    uint16_t inst16;
    uint32_t inst32;
    uint64_t inst64;
    struct {
      uint8_t bytes[16]; // This must be big enough to handle any opcode for any
                         // supported target.
      uint8_t length;
    } inst;
  } m_data;
};

} // namespace lldb_private

#endif // LLDB_CORE_OPCODE_H

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Editing: Opcode.h

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