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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: Value.h

//===-- Value.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_VALUE_H
#define LLDB_CORE_VALUE_H

#include "lldb/Symbol/CompilerType.h"
#include "lldb/Utility/DataBufferHeap.h"
#include "lldb/Utility/Scalar.h"
#include "lldb/Utility/Status.h"
#include "lldb/lldb-enumerations.h"
#include "lldb/lldb-private-enumerations.h"
#include "lldb/lldb-private-types.h"

#include "llvm/ADT/APInt.h"

#include <vector>

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

namespace lldb_private {
class DataExtractor;
class ExecutionContext;
class Module;
class Stream;
class Type;
class Variable;
}

namespace lldb_private {

class Value {
public:
  // Values Less than zero are an error, greater than or equal to zero returns
  // what the Scalar result is.
  enum ValueType {
    // m_value contains...
    // ============================
    eValueTypeScalar,      // raw scalar value
    eValueTypeVector,      // byte array of m_vector.length with endianness of
                           // m_vector.byte_order
    eValueTypeFileAddress, // file address value
    eValueTypeLoadAddress, // load address value
    eValueTypeHostAddress  // host address value (for memory in the process that
                           // is using liblldb)
  };

enum ContextType // Type that describes Value::m_context
  {
    // m_context contains...
    // ====================
    eContextTypeInvalid,      // undefined
    eContextTypeRegisterInfo, // RegisterInfo * (can be a scalar or a vector
                              // register)
    eContextTypeLLDBType,     // lldb_private::Type *
    eContextTypeVariable      // lldb_private::Variable *
  };

const static size_t kMaxByteSize = 32u;

struct Vector {
    // The byte array must be big enough to hold vector registers for any
    // supported target.
    uint8_t bytes[kMaxByteSize];
    size_t length;
    lldb::ByteOrder byte_order;

Vector() : length(0), byte_order(lldb::eByteOrderInvalid) {}

Vector(const Vector &vector) { *this = vector; }
    const Vector &operator=(const Vector &vector) {
      SetBytes(vector.bytes, vector.length, vector.byte_order);
      return *this;
    }

void Clear() { length = 0; }

bool SetBytes(const void *bytes, size_t length,
                  lldb::ByteOrder byte_order) {
      this->length = length;
      this->byte_order = byte_order;
      if (length)
        ::memcpy(this->bytes, bytes,
                 length < kMaxByteSize ? length : kMaxByteSize);
      return IsValid();
    }

bool IsValid() const {
      return (length > 0 && length < kMaxByteSize &&
              byte_order != lldb::eByteOrderInvalid);
    }
    // Casts a vector, if valid, to an unsigned int of matching or largest
    // supported size. Truncates to the beginning of the vector if required.
    // Returns a default constructed Scalar if the Vector data is internally
    // inconsistent.
    llvm::APInt rhs = llvm::APInt(BITWIDTH_INT128, NUM_OF_WORDS_INT128,
                                  ((type128 *)bytes)->x);
    Scalar GetAsScalar() const {
      Scalar scalar;
      if (IsValid()) {
        if (length == 1)
          scalar = *(const uint8_t *)bytes;
        else if (length == 2)
          scalar = *(const uint16_t *)bytes;
        else if (length == 4)
          scalar = *(const uint32_t *)bytes;
        else if (length == 8)
          scalar = *(const uint64_t *)bytes;
        else if (length >= 16)
          scalar = rhs;
      }
      return scalar;
    }
  };

Value();
  Value(const Scalar &scalar);
  Value(const Vector &vector);
  Value(const void *bytes, int len);
  Value(const Value &rhs);

void SetBytes(const void *bytes, int len);

void AppendBytes(const void *bytes, int len);

Value &operator=(const Value &rhs);

const CompilerType &GetCompilerType();

void SetCompilerType(const CompilerType &compiler_type);

ValueType GetValueType() const;

AddressType GetValueAddressType() const;

ContextType GetContextType() const { return m_context_type; }

void SetValueType(ValueType value_type) { m_value_type = value_type; }

void ClearContext() {
    m_context = nullptr;
    m_context_type = eContextTypeInvalid;
  }

void SetContext(ContextType context_type, void *p) {
    m_context_type = context_type;
    m_context = p;
    if (m_context_type == eContextTypeRegisterInfo) {
      RegisterInfo *reg_info = GetRegisterInfo();
      if (reg_info->encoding == lldb::eEncodingVector &&
          m_vector.byte_order != lldb::eByteOrderInvalid)
        SetValueType(eValueTypeScalar);
    }
  }

RegisterInfo *GetRegisterInfo() const;

Type *GetType();

Scalar &ResolveValue(ExecutionContext *exe_ctx);

const Scalar &GetScalar() const { return m_value; }

const Vector &GetVector() const { return m_vector; }

Scalar &GetScalar() { return m_value; }

Vector &GetVector() { return m_vector; }

bool SetVectorBytes(const Vector &vector) {
    m_vector = vector;
    return m_vector.IsValid();
  }

bool SetVectorBytes(uint8_t *bytes, size_t length,
                      lldb::ByteOrder byte_order) {
    return m_vector.SetBytes(bytes, length, byte_order);
  }

bool SetScalarFromVector() {
    if (m_vector.IsValid()) {
      m_value = m_vector.GetAsScalar();
      return true;
    }
    return false;
  }

size_t ResizeData(size_t len);

size_t AppendDataToHostBuffer(const Value &rhs);

DataBufferHeap &GetBuffer() { return m_data_buffer; }

const DataBufferHeap &GetBuffer() const { return m_data_buffer; }

bool ValueOf(ExecutionContext *exe_ctx);

Variable *GetVariable();

void Dump(Stream *strm);

lldb::Format GetValueDefaultFormat();

uint64_t GetValueByteSize(Status *error_ptr, ExecutionContext *exe_ctx);

Status GetValueAsData(ExecutionContext *exe_ctx, DataExtractor &data,
                        Module *module); // Can be nullptr

static const char *GetValueTypeAsCString(ValueType context_type);

static const char *GetContextTypeAsCString(ContextType context_type);

/// Convert this value's file address to a load address, if possible.
  void ConvertToLoadAddress(Module *module, Target *target);

bool GetData(DataExtractor &data);

void Clear();

protected:
  Scalar m_value;
  Vector m_vector;
  CompilerType m_compiler_type;
  void *m_context;
  ValueType m_value_type;
  ContextType m_context_type;
  DataBufferHeap m_data_buffer;
};

class ValueList {
public:
  ValueList() : m_values() {}

ValueList(const ValueList &rhs);

~ValueList() = default;

const ValueList &operator=(const ValueList &rhs);

// void InsertValue (Value *value, size_t idx);
  void PushValue(const Value &value);

size_t GetSize();
  Value *GetValueAtIndex(size_t idx);
  void Clear();

private:
  typedef std::vector<Value> collection;

collection m_values;
};

} // namespace lldb_private

#endif // LLDB_CORE_VALUE_H

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Editing: Value.h

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