source/API/SBData.cpp - llvm-project/lldb - Git at Google

 //===-- SBData.cpp --------------------------------------------------------===//
 //
 // 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
 //
 //===----------------------------------------------------------------------===//

 #include "lldb/API/SBData.h"
 #include "lldb/API/SBError.h"
 #include "lldb/API/SBStream.h"
 #include "lldb/Utility/Instrumentation.h"

 #include "lldb/Core/DumpDataExtractor.h"
 #include "lldb/Utility/DataBufferHeap.h"
 #include "lldb/Utility/DataExtractor.h"
 #include "lldb/Utility/Stream.h"

 #include <cinttypes>
 #include <memory>

 using namespace lldb;
 using namespace lldb_private;

 SBData::SBData() : m_opaque_sp(new DataExtractor()) {
   LLDB_INSTRUMENT_VA(this);
 }

 SBData::SBData(const lldb::DataExtractorSP &data_sp) : m_opaque_sp(data_sp) {}

 SBData::SBData(const SBData &rhs) : m_opaque_sp(rhs.m_opaque_sp) {
   LLDB_INSTRUMENT_VA(this, rhs);
 }

 const SBData &SBData::operator=(const SBData &rhs) {
   LLDB_INSTRUMENT_VA(this, rhs);

   if (this != &rhs)
     m_opaque_sp = rhs.m_opaque_sp;
   return *this;
 }

 SBData::~SBData() = default;

 void SBData::SetOpaque(const lldb::DataExtractorSP &data_sp) {
   m_opaque_sp = data_sp;
 }

 lldb_private::DataExtractor *SBData::get() const { return m_opaque_sp.get(); }

 lldb_private::DataExtractor *SBData::operator->() const {
   return m_opaque_sp.operator->();
 }

 lldb::DataExtractorSP &SBData::operator*() { return m_opaque_sp; }

 const lldb::DataExtractorSP &SBData::operator*() const { return m_opaque_sp; }

 bool SBData::IsValid() {
   LLDB_INSTRUMENT_VA(this);
   return this->operator bool();
 }
 SBData::operator bool() const {
   LLDB_INSTRUMENT_VA(this);

   return m_opaque_sp.get() != nullptr;
 }

 uint8_t SBData::GetAddressByteSize() {
   LLDB_INSTRUMENT_VA(this);

   uint8_t value = 0;
   if (m_opaque_sp.get())
     value = m_opaque_sp->GetAddressByteSize();
   return value;
 }

 void SBData::SetAddressByteSize(uint8_t addr_byte_size) {
   LLDB_INSTRUMENT_VA(this, addr_byte_size);

   if (m_opaque_sp.get())
     m_opaque_sp->SetAddressByteSize(addr_byte_size);
 }

 void SBData::Clear() {
   LLDB_INSTRUMENT_VA(this);

   if (m_opaque_sp.get())
     m_opaque_sp->Clear();
 }

 size_t SBData::GetByteSize() {
   LLDB_INSTRUMENT_VA(this);

   size_t value = 0;
   if (m_opaque_sp.get())
     value = m_opaque_sp->GetByteSize();
   return value;
 }

 lldb::ByteOrder SBData::GetByteOrder() {
   LLDB_INSTRUMENT_VA(this);

   lldb::ByteOrder value = eByteOrderInvalid;
   if (m_opaque_sp.get())
     value = m_opaque_sp->GetByteOrder();
   return value;
 }

 void SBData::SetByteOrder(lldb::ByteOrder endian) {
   LLDB_INSTRUMENT_VA(this, endian);

   if (m_opaque_sp.get())
     m_opaque_sp->SetByteOrder(endian);
 }

 float SBData::GetFloat(lldb::SBError &error, lldb::offset_t offset) {
   LLDB_INSTRUMENT_VA(this, error, offset);

   float value = 0;
   if (!m_opaque_sp.get()) {
     error.SetErrorString("no value to read from");
   } else {
     uint32_t old_offset = offset;
     value = m_opaque_sp->GetFloat(&offset);
     if (offset == old_offset)
       error.SetErrorString("unable to read data");
   }
   return value;
 }

 double SBData::GetDouble(lldb::SBError &error, lldb::offset_t offset) {
   LLDB_INSTRUMENT_VA(this, error, offset);

   double value = 0;
   if (!m_opaque_sp.get()) {
     error.SetErrorString("no value to read from");
   } else {
     uint32_t old_offset = offset;
     value = m_opaque_sp->GetDouble(&offset);
     if (offset == old_offset)
       error.SetErrorString("unable to read data");
   }
   return value;
 }

 long double SBData::GetLongDouble(lldb::SBError &error, lldb::offset_t offset) {
   LLDB_INSTRUMENT_VA(this, error, offset);

   long double value = 0;
   if (!m_opaque_sp.get()) {
     error.SetErrorString("no value to read from");
   } else {
     uint32_t old_offset = offset;
     value = m_opaque_sp->GetLongDouble(&offset);
     if (offset == old_offset)
       error.SetErrorString("unable to read data");
   }
   return value;
 }

 lldb::addr_t SBData::GetAddress(lldb::SBError &error, lldb::offset_t offset) {
   LLDB_INSTRUMENT_VA(this, error, offset);

   lldb::addr_t value = 0;
   if (!m_opaque_sp.get()) {
     error.SetErrorString("no value to read from");
   } else {
     uint32_t old_offset = offset;
     value = m_opaque_sp->GetAddress(&offset);
     if (offset == old_offset)
       error.SetErrorString("unable to read data");
   }
   return value;
 }

 uint8_t SBData::GetUnsignedInt8(lldb::SBError &error, lldb::offset_t offset) {
   LLDB_INSTRUMENT_VA(this, error, offset);

   uint8_t value = 0;
   if (!m_opaque_sp.get()) {
     error.SetErrorString("no value to read from");
   } else {
     uint32_t old_offset = offset;
     value = m_opaque_sp->GetU8(&offset);
     if (offset == old_offset)
       error.SetErrorString("unable to read data");
   }
   return value;
 }

 uint16_t SBData::GetUnsignedInt16(lldb::SBError &error, lldb::offset_t offset) {
   LLDB_INSTRUMENT_VA(this, error, offset);

   uint16_t value = 0;
   if (!m_opaque_sp.get()) {
     error.SetErrorString("no value to read from");
   } else {
     uint32_t old_offset = offset;
     value = m_opaque_sp->GetU16(&offset);
     if (offset == old_offset)
       error.SetErrorString("unable to read data");
   }
   return value;
 }

 uint32_t SBData::GetUnsignedInt32(lldb::SBError &error, lldb::offset_t offset) {
   LLDB_INSTRUMENT_VA(this, error, offset);

   uint32_t value = 0;
   if (!m_opaque_sp.get()) {
     error.SetErrorString("no value to read from");
   } else {
     uint32_t old_offset = offset;
     value = m_opaque_sp->GetU32(&offset);
     if (offset == old_offset)
       error.SetErrorString("unable to read data");
   }
   return value;
 }

 uint64_t SBData::GetUnsignedInt64(lldb::SBError &error, lldb::offset_t offset) {
   LLDB_INSTRUMENT_VA(this, error, offset);

   uint64_t value = 0;
   if (!m_opaque_sp.get()) {
     error.SetErrorString("no value to read from");
   } else {
     uint32_t old_offset = offset;
     value = m_opaque_sp->GetU64(&offset);
     if (offset == old_offset)
       error.SetErrorString("unable to read data");
   }
   return value;
 }

 int8_t SBData::GetSignedInt8(lldb::SBError &error, lldb::offset_t offset) {
   LLDB_INSTRUMENT_VA(this, error, offset);

   int8_t value = 0;
   if (!m_opaque_sp.get()) {
     error.SetErrorString("no value to read from");
   } else {
     uint32_t old_offset = offset;
     value = (int8_t)m_opaque_sp->GetMaxS64(&offset, 1);
     if (offset == old_offset)
       error.SetErrorString("unable to read data");
   }
   return value;
 }

 int16_t SBData::GetSignedInt16(lldb::SBError &error, lldb::offset_t offset) {
   LLDB_INSTRUMENT_VA(this, error, offset);

   int16_t value = 0;
   if (!m_opaque_sp.get()) {
     error.SetErrorString("no value to read from");
   } else {
     uint32_t old_offset = offset;
     value = (int16_t)m_opaque_sp->GetMaxS64(&offset, 2);
     if (offset == old_offset)
       error.SetErrorString("unable to read data");
   }
   return value;
 }

 int32_t SBData::GetSignedInt32(lldb::SBError &error, lldb::offset_t offset) {
   LLDB_INSTRUMENT_VA(this, error, offset);

   int32_t value = 0;
   if (!m_opaque_sp.get()) {
     error.SetErrorString("no value to read from");
   } else {
     uint32_t old_offset = offset;
     value = (int32_t)m_opaque_sp->GetMaxS64(&offset, 4);
     if (offset == old_offset)
       error.SetErrorString("unable to read data");
   }
   return value;
 }

 int64_t SBData::GetSignedInt64(lldb::SBError &error, lldb::offset_t offset) {
   LLDB_INSTRUMENT_VA(this, error, offset);

   int64_t value = 0;
   if (!m_opaque_sp.get()) {
     error.SetErrorString("no value to read from");
   } else {
     uint32_t old_offset = offset;
     value = (int64_t)m_opaque_sp->GetMaxS64(&offset, 8);
     if (offset == old_offset)
       error.SetErrorString("unable to read data");
   }
   return value;
 }

 const char *SBData::GetString(lldb::SBError &error, lldb::offset_t offset) {
   LLDB_INSTRUMENT_VA(this, error, offset);

   if (!m_opaque_sp) {
     error.SetErrorString("no value to read from");
     return nullptr;
   }

   lldb::offset_t old_offset = offset;
   const char *value = m_opaque_sp->GetCStr(&offset);
   if (offset == old_offset || value == nullptr) {
     error.SetErrorString("unable to read data");
     return nullptr;
   }

   return ConstString(value).GetCString();
 }

 bool SBData::GetDescription(lldb::SBStream &description,
                             lldb::addr_t base_addr) {
   LLDB_INSTRUMENT_VA(this, description, base_addr);

   Stream &strm = description.ref();

   if (m_opaque_sp) {
     DumpDataExtractor(*m_opaque_sp, &strm, 0, lldb::eFormatBytesWithASCII, 1,
                       m_opaque_sp->GetByteSize(), 16, base_addr, 0, 0);
   } else
     strm.PutCString("No value");

   return true;
 }

 size_t SBData::ReadRawData(lldb::SBError &error, lldb::offset_t offset,
                            void *buf, size_t size) {
   LLDB_INSTRUMENT_VA(this, error, offset, buf, size);

   void *ok = nullptr;
   if (!m_opaque_sp.get()) {
     error.SetErrorString("no value to read from");
   } else {
     uint32_t old_offset = offset;
     ok = m_opaque_sp->GetU8(&offset, buf, size);
     if ((offset == old_offset) || (ok == nullptr))
       error.SetErrorString("unable to read data");
   }
   return ok ? size : 0;
 }

 void SBData::SetData(lldb::SBError &error, const void *buf, size_t size,
                      lldb::ByteOrder endian, uint8_t addr_size) {
   LLDB_INSTRUMENT_VA(this, error, buf, size, endian, addr_size);

   if (!m_opaque_sp.get())
     m_opaque_sp = std::make_shared<DataExtractor>(buf, size, endian, addr_size);
   else
   {
     m_opaque_sp->SetData(buf, size, endian);
     m_opaque_sp->SetAddressByteSize(addr_size);
   }
 }

 void SBData::SetDataWithOwnership(lldb::SBError &error, const void *buf,
                                   size_t size, lldb::ByteOrder endian,
                                   uint8_t addr_size) {
   LLDB_INSTRUMENT_VA(this, error, buf, size, endian, addr_size);

   lldb::DataBufferSP buffer_sp = std::make_shared<DataBufferHeap>(buf, size);

   if (!m_opaque_sp.get())
     m_opaque_sp = std::make_shared<DataExtractor>(buf, size, endian, addr_size);
   else {
     m_opaque_sp->SetData(buffer_sp);
     m_opaque_sp->SetByteOrder(endian);
     m_opaque_sp->SetAddressByteSize(addr_size);
   }
 }

 bool SBData::Append(const SBData &rhs) {
   LLDB_INSTRUMENT_VA(this, rhs);

   bool value = false;
   if (m_opaque_sp.get() && rhs.m_opaque_sp.get())
     value = m_opaque_sp.get()->Append(*rhs.m_opaque_sp);
   return value;
 }

 lldb::SBData SBData::CreateDataFromCString(lldb::ByteOrder endian,
                                            uint32_t addr_byte_size,
                                            const char *data) {
   LLDB_INSTRUMENT_VA(endian, addr_byte_size, data);

   if (!data || !data[0])
     return SBData();

   uint32_t data_len = strlen(data);

   lldb::DataBufferSP buffer_sp(new DataBufferHeap(data, data_len));
   lldb::DataExtractorSP data_sp(
       new DataExtractor(buffer_sp, endian, addr_byte_size));

   SBData ret(data_sp);

   return ret;
 }

 lldb::SBData SBData::CreateDataFromUInt64Array(lldb::ByteOrder endian,
                                                uint32_t addr_byte_size,
                                                uint64_t *array,
                                                size_t array_len) {
   LLDB_INSTRUMENT_VA(endian, addr_byte_size, array, array_len);

   if (!array || array_len == 0)
     return SBData();

   size_t data_len = array_len * sizeof(uint64_t);

   lldb::DataBufferSP buffer_sp(new DataBufferHeap(array, data_len));
   lldb::DataExtractorSP data_sp(
       new DataExtractor(buffer_sp, endian, addr_byte_size));

   SBData ret(data_sp);

   return ret;
 }

 lldb::SBData SBData::CreateDataFromUInt32Array(lldb::ByteOrder endian,
                                                uint32_t addr_byte_size,
                                                uint32_t *array,
                                                size_t array_len) {
   LLDB_INSTRUMENT_VA(endian, addr_byte_size, array, array_len);

   if (!array || array_len == 0)
     return SBData();

   size_t data_len = array_len * sizeof(uint32_t);

   lldb::DataBufferSP buffer_sp(new DataBufferHeap(array, data_len));
   lldb::DataExtractorSP data_sp(
       new DataExtractor(buffer_sp, endian, addr_byte_size));

   SBData ret(data_sp);

   return ret;
 }

 lldb::SBData SBData::CreateDataFromSInt64Array(lldb::ByteOrder endian,
                                                uint32_t addr_byte_size,
                                                int64_t *array,
                                                size_t array_len) {
   LLDB_INSTRUMENT_VA(endian, addr_byte_size, array, array_len);

   if (!array || array_len == 0)
     return SBData();

   size_t data_len = array_len * sizeof(int64_t);

   lldb::DataBufferSP buffer_sp(new DataBufferHeap(array, data_len));
   lldb::DataExtractorSP data_sp(
       new DataExtractor(buffer_sp, endian, addr_byte_size));

   SBData ret(data_sp);

   return ret;
 }

 lldb::SBData SBData::CreateDataFromSInt32Array(lldb::ByteOrder endian,
                                                uint32_t addr_byte_size,
                                                int32_t *array,
                                                size_t array_len) {
   LLDB_INSTRUMENT_VA(endian, addr_byte_size, array, array_len);

   if (!array || array_len == 0)
     return SBData();

   size_t data_len = array_len * sizeof(int32_t);

   lldb::DataBufferSP buffer_sp(new DataBufferHeap(array, data_len));
   lldb::DataExtractorSP data_sp(
       new DataExtractor(buffer_sp, endian, addr_byte_size));

   SBData ret(data_sp);

   return ret;
 }

 lldb::SBData SBData::CreateDataFromDoubleArray(lldb::ByteOrder endian,
                                                uint32_t addr_byte_size,
                                                double *array,
                                                size_t array_len) {
   LLDB_INSTRUMENT_VA(endian, addr_byte_size, array, array_len);

   if (!array || array_len == 0)
     return SBData();

   size_t data_len = array_len * sizeof(double);

   lldb::DataBufferSP buffer_sp(new DataBufferHeap(array, data_len));
   lldb::DataExtractorSP data_sp(
       new DataExtractor(buffer_sp, endian, addr_byte_size));

   SBData ret(data_sp);

   return ret;
 }

 bool SBData::SetDataFromCString(const char *data) {
   LLDB_INSTRUMENT_VA(this, data);

   if (!data) {
     return false;
   }

   size_t data_len = strlen(data);

   lldb::DataBufferSP buffer_sp(new DataBufferHeap(data, data_len));

   if (!m_opaque_sp.get())
     m_opaque_sp = std::make_shared<DataExtractor>(buffer_sp, GetByteOrder(),
                                                   GetAddressByteSize());
   else
     m_opaque_sp->SetData(buffer_sp);


   return true;
 }

 bool SBData::SetDataFromUInt64Array(uint64_t *array, size_t array_len) {
   LLDB_INSTRUMENT_VA(this, array, array_len);

   if (!array || array_len == 0) {
     return false;
   }

   size_t data_len = array_len * sizeof(uint64_t);

   lldb::DataBufferSP buffer_sp(new DataBufferHeap(array, data_len));

   if (!m_opaque_sp.get())
     m_opaque_sp = std::make_shared<DataExtractor>(buffer_sp, GetByteOrder(),
                                                   GetAddressByteSize());
   else
     m_opaque_sp->SetData(buffer_sp);


   return true;
 }

 bool SBData::SetDataFromUInt32Array(uint32_t *array, size_t array_len) {
   LLDB_INSTRUMENT_VA(this, array, array_len);

   if (!array || array_len == 0) {
     return false;
   }

   size_t data_len = array_len * sizeof(uint32_t);

   lldb::DataBufferSP buffer_sp(new DataBufferHeap(array, data_len));

   if (!m_opaque_sp.get())
     m_opaque_sp = std::make_shared<DataExtractor>(buffer_sp, GetByteOrder(),
                                                   GetAddressByteSize());
   else
     m_opaque_sp->SetData(buffer_sp);

   return true;
 }

 bool SBData::SetDataFromSInt64Array(int64_t *array, size_t array_len) {
   LLDB_INSTRUMENT_VA(this, array, array_len);

   if (!array || array_len == 0) {
     return false;
   }

   size_t data_len = array_len * sizeof(int64_t);

   lldb::DataBufferSP buffer_sp(new DataBufferHeap(array, data_len));

   if (!m_opaque_sp.get())
     m_opaque_sp = std::make_shared<DataExtractor>(buffer_sp, GetByteOrder(),
                                                   GetAddressByteSize());
   else
     m_opaque_sp->SetData(buffer_sp);

   return true;
 }

 bool SBData::SetDataFromSInt32Array(int32_t *array, size_t array_len) {
   LLDB_INSTRUMENT_VA(this, array, array_len);

   if (!array || array_len == 0) {
     return false;
   }

   size_t data_len = array_len * sizeof(int32_t);

   lldb::DataBufferSP buffer_sp(new DataBufferHeap(array, data_len));

   if (!m_opaque_sp.get())
     m_opaque_sp = std::make_shared<DataExtractor>(buffer_sp, GetByteOrder(),
                                                   GetAddressByteSize());
   else
     m_opaque_sp->SetData(buffer_sp);

   return true;
 }

 bool SBData::SetDataFromDoubleArray(double *array, size_t array_len) {
   LLDB_INSTRUMENT_VA(this, array, array_len);

   if (!array || array_len == 0) {
     return false;
   }

   size_t data_len = array_len * sizeof(double);

   lldb::DataBufferSP buffer_sp(new DataBufferHeap(array, data_len));

   if (!m_opaque_sp.get())
     m_opaque_sp = std::make_shared<DataExtractor>(buffer_sp, GetByteOrder(),
                                                   GetAddressByteSize());
   else
     m_opaque_sp->SetData(buffer_sp);

   return true;
 }
	//===-- SBData.cpp --------------------------------------------------------===//
	//
	// 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
	//
	//===----------------------------------------------------------------------===//

	#include "lldb/API/SBData.h"
	#include "lldb/API/SBError.h"
	#include "lldb/API/SBStream.h"
	#include "lldb/Utility/Instrumentation.h"

	#include "lldb/Core/DumpDataExtractor.h"
	#include "lldb/Utility/DataBufferHeap.h"
	#include "lldb/Utility/DataExtractor.h"
	#include "lldb/Utility/Stream.h"

	#include <cinttypes>
	#include <memory>

	using namespace lldb;
	using namespace lldb_private;

	SBData::SBData() : m_opaque_sp(new DataExtractor()) {
	LLDB_INSTRUMENT_VA(this);
	}

	SBData::SBData(const lldb::DataExtractorSP &data_sp) : m_opaque_sp(data_sp) {}

	SBData::SBData(const SBData &rhs) : m_opaque_sp(rhs.m_opaque_sp) {
	LLDB_INSTRUMENT_VA(this, rhs);
	}

	const SBData &SBData::operator=(const SBData &rhs) {
	LLDB_INSTRUMENT_VA(this, rhs);

	if (this != &rhs)
	m_opaque_sp = rhs.m_opaque_sp;
	return *this;
	}

	SBData::~SBData() = default;

	void SBData::SetOpaque(const lldb::DataExtractorSP &data_sp) {
	m_opaque_sp = data_sp;
	}

	lldb_private::DataExtractor *SBData::get() const { return m_opaque_sp.get(); }

	lldb_private::DataExtractor *SBData::operator->() const {
	return m_opaque_sp.operator->();
	}

	lldb::DataExtractorSP &SBData::operator*() { return m_opaque_sp; }

	const lldb::DataExtractorSP &SBData::operator*() const { return m_opaque_sp; }

	bool SBData::IsValid() {
	LLDB_INSTRUMENT_VA(this);
	return this->operator bool();
	}
	SBData::operator bool() const {
	LLDB_INSTRUMENT_VA(this);

	return m_opaque_sp.get() != nullptr;
	}

	uint8_t SBData::GetAddressByteSize() {
	LLDB_INSTRUMENT_VA(this);

	uint8_t value = 0;
	if (m_opaque_sp.get())
	value = m_opaque_sp->GetAddressByteSize();
	return value;
	}

	void SBData::SetAddressByteSize(uint8_t addr_byte_size) {
	LLDB_INSTRUMENT_VA(this, addr_byte_size);

	if (m_opaque_sp.get())
	m_opaque_sp->SetAddressByteSize(addr_byte_size);
	}

	void SBData::Clear() {
	LLDB_INSTRUMENT_VA(this);

	if (m_opaque_sp.get())
	m_opaque_sp->Clear();
	}

	size_t SBData::GetByteSize() {
	LLDB_INSTRUMENT_VA(this);

	size_t value = 0;
	if (m_opaque_sp.get())
	value = m_opaque_sp->GetByteSize();
	return value;
	}

	lldb::ByteOrder SBData::GetByteOrder() {
	LLDB_INSTRUMENT_VA(this);

	lldb::ByteOrder value = eByteOrderInvalid;
	if (m_opaque_sp.get())
	value = m_opaque_sp->GetByteOrder();
	return value;
	}

	void SBData::SetByteOrder(lldb::ByteOrder endian) {
	LLDB_INSTRUMENT_VA(this, endian);

	if (m_opaque_sp.get())
	m_opaque_sp->SetByteOrder(endian);
	}

	float SBData::GetFloat(lldb::SBError &error, lldb::offset_t offset) {
	LLDB_INSTRUMENT_VA(this, error, offset);

	float value = 0;
	if (!m_opaque_sp.get()) {
	error.SetErrorString("no value to read from");
	} else {
	uint32_t old_offset = offset;
	value = m_opaque_sp->GetFloat(&offset);
	if (offset == old_offset)
	error.SetErrorString("unable to read data");
	}
	return value;
	}

	double SBData::GetDouble(lldb::SBError &error, lldb::offset_t offset) {
	LLDB_INSTRUMENT_VA(this, error, offset);

	double value = 0;
	if (!m_opaque_sp.get()) {
	error.SetErrorString("no value to read from");
	} else {
	uint32_t old_offset = offset;
	value = m_opaque_sp->GetDouble(&offset);
	if (offset == old_offset)
	error.SetErrorString("unable to read data");
	}
	return value;
	}

	long double SBData::GetLongDouble(lldb::SBError &error, lldb::offset_t offset) {
	LLDB_INSTRUMENT_VA(this, error, offset);

	long double value = 0;
	if (!m_opaque_sp.get()) {
	error.SetErrorString("no value to read from");
	} else {
	uint32_t old_offset = offset;
	value = m_opaque_sp->GetLongDouble(&offset);
	if (offset == old_offset)
	error.SetErrorString("unable to read data");
	}
	return value;
	}

	lldb::addr_t SBData::GetAddress(lldb::SBError &error, lldb::offset_t offset) {
	LLDB_INSTRUMENT_VA(this, error, offset);

	lldb::addr_t value = 0;
	if (!m_opaque_sp.get()) {
	error.SetErrorString("no value to read from");
	} else {
	uint32_t old_offset = offset;
	value = m_opaque_sp->GetAddress(&offset);
	if (offset == old_offset)
	error.SetErrorString("unable to read data");
	}
	return value;
	}

	uint8_t SBData::GetUnsignedInt8(lldb::SBError &error, lldb::offset_t offset) {
	LLDB_INSTRUMENT_VA(this, error, offset);

	uint8_t value = 0;
	if (!m_opaque_sp.get()) {
	error.SetErrorString("no value to read from");
	} else {
	uint32_t old_offset = offset;
	value = m_opaque_sp->GetU8(&offset);
	if (offset == old_offset)
	error.SetErrorString("unable to read data");
	}
	return value;
	}

	uint16_t SBData::GetUnsignedInt16(lldb::SBError &error, lldb::offset_t offset) {
	LLDB_INSTRUMENT_VA(this, error, offset);

	uint16_t value = 0;
	if (!m_opaque_sp.get()) {
	error.SetErrorString("no value to read from");
	} else {
	uint32_t old_offset = offset;
	value = m_opaque_sp->GetU16(&offset);
	if (offset == old_offset)
	error.SetErrorString("unable to read data");
	}
	return value;
	}

	uint32_t SBData::GetUnsignedInt32(lldb::SBError &error, lldb::offset_t offset) {
	LLDB_INSTRUMENT_VA(this, error, offset);

	uint32_t value = 0;
	if (!m_opaque_sp.get()) {
	error.SetErrorString("no value to read from");
	} else {
	uint32_t old_offset = offset;
	value = m_opaque_sp->GetU32(&offset);
	if (offset == old_offset)
	error.SetErrorString("unable to read data");
	}
	return value;
	}

	uint64_t SBData::GetUnsignedInt64(lldb::SBError &error, lldb::offset_t offset) {
	LLDB_INSTRUMENT_VA(this, error, offset);

	uint64_t value = 0;
	if (!m_opaque_sp.get()) {
	error.SetErrorString("no value to read from");
	} else {
	uint32_t old_offset = offset;
	value = m_opaque_sp->GetU64(&offset);
	if (offset == old_offset)
	error.SetErrorString("unable to read data");
	}
	return value;
	}

	int8_t SBData::GetSignedInt8(lldb::SBError &error, lldb::offset_t offset) {
	LLDB_INSTRUMENT_VA(this, error, offset);

	int8_t value = 0;
	if (!m_opaque_sp.get()) {
	error.SetErrorString("no value to read from");
	} else {
	uint32_t old_offset = offset;
	value = (int8_t)m_opaque_sp->GetMaxS64(&offset, 1);
	if (offset == old_offset)
	error.SetErrorString("unable to read data");
	}
	return value;
	}

	int16_t SBData::GetSignedInt16(lldb::SBError &error, lldb::offset_t offset) {
	LLDB_INSTRUMENT_VA(this, error, offset);

	int16_t value = 0;
	if (!m_opaque_sp.get()) {
	error.SetErrorString("no value to read from");
	} else {
	uint32_t old_offset = offset;
	value = (int16_t)m_opaque_sp->GetMaxS64(&offset, 2);
	if (offset == old_offset)
	error.SetErrorString("unable to read data");
	}
	return value;
	}

	int32_t SBData::GetSignedInt32(lldb::SBError &error, lldb::offset_t offset) {
	LLDB_INSTRUMENT_VA(this, error, offset);

	int32_t value = 0;
	if (!m_opaque_sp.get()) {
	error.SetErrorString("no value to read from");
	} else {
	uint32_t old_offset = offset;
	value = (int32_t)m_opaque_sp->GetMaxS64(&offset, 4);
	if (offset == old_offset)
	error.SetErrorString("unable to read data");
	}
	return value;
	}

	int64_t SBData::GetSignedInt64(lldb::SBError &error, lldb::offset_t offset) {
	LLDB_INSTRUMENT_VA(this, error, offset);

	int64_t value = 0;
	if (!m_opaque_sp.get()) {
	error.SetErrorString("no value to read from");
	} else {
	uint32_t old_offset = offset;
	value = (int64_t)m_opaque_sp->GetMaxS64(&offset, 8);
	if (offset == old_offset)
	error.SetErrorString("unable to read data");
	}
	return value;
	}

	const char *SBData::GetString(lldb::SBError &error, lldb::offset_t offset) {
	LLDB_INSTRUMENT_VA(this, error, offset);

	if (!m_opaque_sp) {
	error.SetErrorString("no value to read from");
	return nullptr;
	}

	lldb::offset_t old_offset = offset;
	const char *value = m_opaque_sp->GetCStr(&offset);
	if (offset == old_offset \|\| value == nullptr) {
	error.SetErrorString("unable to read data");
	return nullptr;
	}

	return ConstString(value).GetCString();
	}

	bool SBData::GetDescription(lldb::SBStream &description,
	lldb::addr_t base_addr) {
	LLDB_INSTRUMENT_VA(this, description, base_addr);

	Stream &strm = description.ref();

	if (m_opaque_sp) {
	DumpDataExtractor(*m_opaque_sp, &strm, 0, lldb::eFormatBytesWithASCII, 1,
	m_opaque_sp->GetByteSize(), 16, base_addr, 0, 0);
	} else
	strm.PutCString("No value");

	return true;
	}

	size_t SBData::ReadRawData(lldb::SBError &error, lldb::offset_t offset,
	void *buf, size_t size) {
	LLDB_INSTRUMENT_VA(this, error, offset, buf, size);

	void *ok = nullptr;
	if (!m_opaque_sp.get()) {
	error.SetErrorString("no value to read from");
	} else {
	uint32_t old_offset = offset;
	ok = m_opaque_sp->GetU8(&offset, buf, size);
	if ((offset == old_offset) \|\| (ok == nullptr))
	error.SetErrorString("unable to read data");
	}
	return ok ? size : 0;
	}

	void SBData::SetData(lldb::SBError &error, const void *buf, size_t size,
	lldb::ByteOrder endian, uint8_t addr_size) {
	LLDB_INSTRUMENT_VA(this, error, buf, size, endian, addr_size);

	if (!m_opaque_sp.get())
	m_opaque_sp = std::make_shared<DataExtractor>(buf, size, endian, addr_size);
	else
	{
	m_opaque_sp->SetData(buf, size, endian);
	m_opaque_sp->SetAddressByteSize(addr_size);
	}
	}

	void SBData::SetDataWithOwnership(lldb::SBError &error, const void *buf,
	size_t size, lldb::ByteOrder endian,
	uint8_t addr_size) {
	LLDB_INSTRUMENT_VA(this, error, buf, size, endian, addr_size);

	lldb::DataBufferSP buffer_sp = std::make_shared<DataBufferHeap>(buf, size);

	if (!m_opaque_sp.get())
	m_opaque_sp = std::make_shared<DataExtractor>(buf, size, endian, addr_size);
	else {
	m_opaque_sp->SetData(buffer_sp);
	m_opaque_sp->SetByteOrder(endian);
	m_opaque_sp->SetAddressByteSize(addr_size);
	}
	}

	bool SBData::Append(const SBData &rhs) {
	LLDB_INSTRUMENT_VA(this, rhs);

	bool value = false;
	if (m_opaque_sp.get() && rhs.m_opaque_sp.get())
	value = m_opaque_sp.get()->Append(*rhs.m_opaque_sp);
	return value;
	}

	lldb::SBData SBData::CreateDataFromCString(lldb::ByteOrder endian,
	uint32_t addr_byte_size,
	const char *data) {
	LLDB_INSTRUMENT_VA(endian, addr_byte_size, data);

	if (!data \|\| !data[0])
	return SBData();

	uint32_t data_len = strlen(data);

	lldb::DataBufferSP buffer_sp(new DataBufferHeap(data, data_len));
	lldb::DataExtractorSP data_sp(
	new DataExtractor(buffer_sp, endian, addr_byte_size));

	SBData ret(data_sp);

	return ret;
	}

	lldb::SBData SBData::CreateDataFromUInt64Array(lldb::ByteOrder endian,
	uint32_t addr_byte_size,
	uint64_t *array,
	size_t array_len) {
	LLDB_INSTRUMENT_VA(endian, addr_byte_size, array, array_len);

	if (!array \|\| array_len == 0)
	return SBData();

	size_t data_len = array_len * sizeof(uint64_t);

	lldb::DataBufferSP buffer_sp(new DataBufferHeap(array, data_len));
	lldb::DataExtractorSP data_sp(
	new DataExtractor(buffer_sp, endian, addr_byte_size));

	SBData ret(data_sp);

	return ret;
	}

	lldb::SBData SBData::CreateDataFromUInt32Array(lldb::ByteOrder endian,
	uint32_t addr_byte_size,
	uint32_t *array,
	size_t array_len) {
	LLDB_INSTRUMENT_VA(endian, addr_byte_size, array, array_len);

	if (!array \|\| array_len == 0)
	return SBData();

	size_t data_len = array_len * sizeof(uint32_t);

	lldb::DataBufferSP buffer_sp(new DataBufferHeap(array, data_len));
	lldb::DataExtractorSP data_sp(
	new DataExtractor(buffer_sp, endian, addr_byte_size));

	SBData ret(data_sp);

	return ret;
	}

	lldb::SBData SBData::CreateDataFromSInt64Array(lldb::ByteOrder endian,
	uint32_t addr_byte_size,
	int64_t *array,
	size_t array_len) {
	LLDB_INSTRUMENT_VA(endian, addr_byte_size, array, array_len);

	if (!array \|\| array_len == 0)
	return SBData();

	size_t data_len = array_len * sizeof(int64_t);

	lldb::DataBufferSP buffer_sp(new DataBufferHeap(array, data_len));
	lldb::DataExtractorSP data_sp(
	new DataExtractor(buffer_sp, endian, addr_byte_size));

	SBData ret(data_sp);

	return ret;
	}

	lldb::SBData SBData::CreateDataFromSInt32Array(lldb::ByteOrder endian,
	uint32_t addr_byte_size,
	int32_t *array,
	size_t array_len) {
	LLDB_INSTRUMENT_VA(endian, addr_byte_size, array, array_len);

	if (!array \|\| array_len == 0)
	return SBData();

	size_t data_len = array_len * sizeof(int32_t);

	lldb::DataBufferSP buffer_sp(new DataBufferHeap(array, data_len));
	lldb::DataExtractorSP data_sp(
	new DataExtractor(buffer_sp, endian, addr_byte_size));

	SBData ret(data_sp);

	return ret;
	}

	lldb::SBData SBData::CreateDataFromDoubleArray(lldb::ByteOrder endian,
	uint32_t addr_byte_size,
	double *array,
	size_t array_len) {
	LLDB_INSTRUMENT_VA(endian, addr_byte_size, array, array_len);

	if (!array \|\| array_len == 0)
	return SBData();

	size_t data_len = array_len * sizeof(double);

	lldb::DataBufferSP buffer_sp(new DataBufferHeap(array, data_len));
	lldb::DataExtractorSP data_sp(
	new DataExtractor(buffer_sp, endian, addr_byte_size));

	SBData ret(data_sp);

	return ret;
	}

	bool SBData::SetDataFromCString(const char *data) {
	LLDB_INSTRUMENT_VA(this, data);

	if (!data) {
	return false;
	}

	size_t data_len = strlen(data);

	lldb::DataBufferSP buffer_sp(new DataBufferHeap(data, data_len));

	if (!m_opaque_sp.get())
	m_opaque_sp = std::make_shared<DataExtractor>(buffer_sp, GetByteOrder(),
	GetAddressByteSize());
	else
	m_opaque_sp->SetData(buffer_sp);


	return true;
	}

	bool SBData::SetDataFromUInt64Array(uint64_t *array, size_t array_len) {
	LLDB_INSTRUMENT_VA(this, array, array_len);

	if (!array \|\| array_len == 0) {
	return false;
	}

	size_t data_len = array_len * sizeof(uint64_t);

	lldb::DataBufferSP buffer_sp(new DataBufferHeap(array, data_len));

	if (!m_opaque_sp.get())
	m_opaque_sp = std::make_shared<DataExtractor>(buffer_sp, GetByteOrder(),
	GetAddressByteSize());
	else
	m_opaque_sp->SetData(buffer_sp);


	return true;
	}

	bool SBData::SetDataFromUInt32Array(uint32_t *array, size_t array_len) {
	LLDB_INSTRUMENT_VA(this, array, array_len);

	if (!array \|\| array_len == 0) {
	return false;
	}

	size_t data_len = array_len * sizeof(uint32_t);

	lldb::DataBufferSP buffer_sp(new DataBufferHeap(array, data_len));

	if (!m_opaque_sp.get())
	m_opaque_sp = std::make_shared<DataExtractor>(buffer_sp, GetByteOrder(),
	GetAddressByteSize());
	else
	m_opaque_sp->SetData(buffer_sp);

	return true;
	}

	bool SBData::SetDataFromSInt64Array(int64_t *array, size_t array_len) {
	LLDB_INSTRUMENT_VA(this, array, array_len);

	if (!array \|\| array_len == 0) {
	return false;
	}

	size_t data_len = array_len * sizeof(int64_t);

	lldb::DataBufferSP buffer_sp(new DataBufferHeap(array, data_len));

	if (!m_opaque_sp.get())
	m_opaque_sp = std::make_shared<DataExtractor>(buffer_sp, GetByteOrder(),
	GetAddressByteSize());
	else
	m_opaque_sp->SetData(buffer_sp);

	return true;
	}

	bool SBData::SetDataFromSInt32Array(int32_t *array, size_t array_len) {
	LLDB_INSTRUMENT_VA(this, array, array_len);

	if (!array \|\| array_len == 0) {
	return false;
	}

	size_t data_len = array_len * sizeof(int32_t);

	lldb::DataBufferSP buffer_sp(new DataBufferHeap(array, data_len));

	if (!m_opaque_sp.get())
	m_opaque_sp = std::make_shared<DataExtractor>(buffer_sp, GetByteOrder(),
	GetAddressByteSize());
	else
	m_opaque_sp->SetData(buffer_sp);

	return true;
	}

	bool SBData::SetDataFromDoubleArray(double *array, size_t array_len) {
	LLDB_INSTRUMENT_VA(this, array, array_len);

	if (!array \|\| array_len == 0) {
	return false;
	}

	size_t data_len = array_len * sizeof(double);

	lldb::DataBufferSP buffer_sp(new DataBufferHeap(array, data_len));

	if (!m_opaque_sp.get())
	m_opaque_sp = std::make_shared<DataExtractor>(buffer_sp, GetByteOrder(),
	GetAddressByteSize());
	else
	m_opaque_sp->SetData(buffer_sp);

	return true;
	}