| //===-- 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); |
| |
| const char *value = nullptr; |
| if (!m_opaque_sp.get()) { |
| error.SetErrorString("no value to read from"); |
| } else { |
| uint32_t old_offset = offset; |
| value = m_opaque_sp->GetCStr(&offset); |
| if (offset == old_offset || (value == nullptr)) |
| error.SetErrorString("unable to read data"); |
| } |
| return value; |
| } |
| |
| 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; |
| } |