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Elftosb is used to create a digitaly signed "secure boot" file. This sb file can be booted by the first stage boot loader found in Freescale i.MX23 and i.MX28 application processors. Copyright (c) 2004-2010 Freescale Semiconductor, Inc. @ text @/* * File: SourceFile.cpp * * Copyright (c) Freescale Semiconductor, Inc. All rights reserved. * See included license file for license details. */ #include "SourceFile.h" #include "ELFSourceFile.h" #include "SRecordSourceFile.h" #include #include "format_string.h" #include "SearchPath.h" using namespace elftosb; //! The supported file types are currently: //! - ELF files //! - Motorola S-record files //! - Binary files //! //! Any file that is not picked up by the other subclasses will result in a //! an instance of BinaryDataFile. //! //! \return An instance of the correct subclass of SourceFile for the given path. //! //! \exception std::runtime_error Thrown if the file cannot be opened. //! //! \see elftosb::ELFSourceFile //! \see elftosb::SRecordSourceFile //! \see elftosb::BinarySourceFile SourceFile * SourceFile::openFile(const std::string & path) { // Search for file using search paths std::string actualPath; bool found = PathSearcher::getGlobalSearcher().search(path, PathSearcher::kFindFile, true, actualPath); if (!found) { throw std::runtime_error(format_string("unable to find file %s\n", path.c_str())); } std::ifstream testStream(actualPath.c_str(), std::ios_base::in | std::ios_base::binary); if (!testStream.is_open()) { throw std::runtime_error(format_string("failed to open file: %s", actualPath.c_str())); } // catch exceptions so we can close the file stream try { if (ELFSourceFile::isELFFile(testStream)) { testStream.close(); return new ELFSourceFile(actualPath); } else if (SRecordSourceFile::isSRecordFile(testStream)) { testStream.close(); return new SRecordSourceFile(actualPath); } // treat it as a binary file testStream.close(); return new BinarySourceFile(actualPath); } catch (...) { testStream.close(); throw; } } SourceFile::SourceFile(const std::string & path) : m_path(path), m_stream() { } //! The file is closed if it had been left opened. //! SourceFile::~SourceFile() { if (isOpen()) { m_stream->close(); } } //! \exception std::runtime_error Raised if the file could not be opened successfully. void SourceFile::open() { assert(!isOpen()); m_stream = new std::ifstream(m_path.c_str(), std::ios_base::in | std::ios_base::binary); if (!m_stream->is_open()) { throw std::runtime_error(format_string("failed to open file: %s", m_path.c_str())); } } void SourceFile::close() { assert(isOpen()); m_stream->close(); m_stream.safe_delete(); } unsigned SourceFile::getSize() { bool wasOpen = isOpen(); std::ifstream::pos_type oldPosition; if (!wasOpen) { open(); } assert(m_stream); oldPosition = m_stream->tellg(); m_stream->seekg(0, std::ios_base::end); unsigned resultSize = m_stream->tellg(); m_stream->seekg(oldPosition); if (!wasOpen) { close(); } return resultSize; } //! If the file does not support named sections, or if there is not a //! section with the given name, this method may return NULL. //! //! This method is just a small wrapper that creates an //! FixedMatcher string matcher instance and uses the createDataSource() //! that takes a reference to a StringMatcher. DataSource * SourceFile::createDataSource(const std::string & section) { FixedMatcher matcher(section); return createDataSource(matcher); } DataTarget * SourceFile::createDataTargetForEntryPoint() { if (!hasEntryPoint()) { return NULL; } return new ConstantDataTarget(getEntryPointAddress()); } DataSource * BinarySourceFile::createDataSource() { std::istream * fileStream = getStream(); assert(fileStream); // get stream size fileStream->seekg(0, std::ios_base::end); int length = fileStream->tellg(); // allocate buffer smart_array_ptr data = new uint8_t[length]; // if (!data) // { // throw std::bad_alloc(); // } // read entire file into the buffer fileStream->seekg(0, std::ios_base::beg); if (fileStream->read((char *)data.get(), length).bad()) { throw std::runtime_error(format_string("unexpected end of file: %s", m_path.c_str())); } // create the data source. the buffer is copied, so we can dispose of it. return new UnmappedDataSource(data, length); } @ 1.1.4.1 log @file SourceFile.cpp was added on branch yamt-pagecache on 2013-01-16 05:27:46 +0000 @ text @d1 178 @ 1.1.4.2 log @sync with (a bit old) head @ text @a0 178 /* * File: SourceFile.cpp * * Copyright (c) Freescale Semiconductor, Inc. All rights reserved. * See included license file for license details. */ #include "SourceFile.h" #include "ELFSourceFile.h" #include "SRecordSourceFile.h" #include #include "format_string.h" #include "SearchPath.h" using namespace elftosb; //! The supported file types are currently: //! - ELF files //! - Motorola S-record files //! - Binary files //! //! Any file that is not picked up by the other subclasses will result in a //! an instance of BinaryDataFile. //! //! \return An instance of the correct subclass of SourceFile for the given path. //! //! \exception std::runtime_error Thrown if the file cannot be opened. //! //! \see elftosb::ELFSourceFile //! \see elftosb::SRecordSourceFile //! \see elftosb::BinarySourceFile SourceFile * SourceFile::openFile(const std::string & path) { // Search for file using search paths std::string actualPath; bool found = PathSearcher::getGlobalSearcher().search(path, PathSearcher::kFindFile, true, actualPath); if (!found) { throw std::runtime_error(format_string("unable to find file %s\n", path.c_str())); } std::ifstream testStream(actualPath.c_str(), std::ios_base::in | std::ios_base::binary); if (!testStream.is_open()) { throw std::runtime_error(format_string("failed to open file: %s", actualPath.c_str())); } // catch exceptions so we can close the file stream try { if (ELFSourceFile::isELFFile(testStream)) { testStream.close(); return new ELFSourceFile(actualPath); } else if (SRecordSourceFile::isSRecordFile(testStream)) { testStream.close(); return new SRecordSourceFile(actualPath); } // treat it as a binary file testStream.close(); return new BinarySourceFile(actualPath); } catch (...) { testStream.close(); throw; } } SourceFile::SourceFile(const std::string & path) : m_path(path), m_stream() { } //! The file is closed if it had been left opened. //! SourceFile::~SourceFile() { if (isOpen()) { m_stream->close(); } } //! \exception std::runtime_error Raised if the file could not be opened successfully. void SourceFile::open() { assert(!isOpen()); m_stream = new std::ifstream(m_path.c_str(), std::ios_base::in | std::ios_base::binary); if (!m_stream->is_open()) { throw std::runtime_error(format_string("failed to open file: %s", m_path.c_str())); } } void SourceFile::close() { assert(isOpen()); m_stream->close(); m_stream.safe_delete(); } unsigned SourceFile::getSize() { bool wasOpen = isOpen(); std::ifstream::pos_type oldPosition; if (!wasOpen) { open(); } assert(m_stream); oldPosition = m_stream->tellg(); m_stream->seekg(0, std::ios_base::end); unsigned resultSize = m_stream->tellg(); m_stream->seekg(oldPosition); if (!wasOpen) { close(); } return resultSize; } //! If the file does not support named sections, or if there is not a //! section with the given name, this method may return NULL. //! //! This method is just a small wrapper that creates an //! FixedMatcher string matcher instance and uses the createDataSource() //! that takes a reference to a StringMatcher. DataSource * SourceFile::createDataSource(const std::string & section) { FixedMatcher matcher(section); return createDataSource(matcher); } DataTarget * SourceFile::createDataTargetForEntryPoint() { if (!hasEntryPoint()) { return NULL; } return new ConstantDataTarget(getEntryPointAddress()); } DataSource * BinarySourceFile::createDataSource() { std::istream * fileStream = getStream(); assert(fileStream); // get stream size fileStream->seekg(0, std::ios_base::end); int length = fileStream->tellg(); // allocate buffer smart_array_ptr data = new uint8_t[length]; // if (!data) // { // throw std::bad_alloc(); // } // read entire file into the buffer fileStream->seekg(0, std::ios_base::beg); if (fileStream->read((char *)data.get(), length).bad()) { throw std::runtime_error(format_string("unexpected end of file: %s", m_path.c_str())); } // create the data source. the buffer is copied, so we can dispose of it. return new UnmappedDataSource(data, length); } @ 1.1.2.1 log @file SourceFile.cpp was added on branch tls-maxphys on 2012-11-15 19:49:14 +0000 @ text @d1 178 @ 1.1.2.2 log @Add elftosb tools to evbarm userland and toolchain. Elftosb is used to create a digitaly signed "secure boot" file. This sb file can be booted by the first stage boot loader found in Freescale i.MX23 and i.MX28 application processors. Copyright (c) 2004-2010 Freescale Semiconductor, Inc. @ text @a0 178 /* * File: SourceFile.cpp * * Copyright (c) Freescale Semiconductor, Inc. All rights reserved. * See included license file for license details. */ #include "SourceFile.h" #include "ELFSourceFile.h" #include "SRecordSourceFile.h" #include #include "format_string.h" #include "SearchPath.h" using namespace elftosb; //! The supported file types are currently: //! - ELF files //! - Motorola S-record files //! - Binary files //! //! Any file that is not picked up by the other subclasses will result in a //! an instance of BinaryDataFile. //! //! \return An instance of the correct subclass of SourceFile for the given path. //! //! \exception std::runtime_error Thrown if the file cannot be opened. //! //! \see elftosb::ELFSourceFile //! \see elftosb::SRecordSourceFile //! \see elftosb::BinarySourceFile SourceFile * SourceFile::openFile(const std::string & path) { // Search for file using search paths std::string actualPath; bool found = PathSearcher::getGlobalSearcher().search(path, PathSearcher::kFindFile, true, actualPath); if (!found) { throw std::runtime_error(format_string("unable to find file %s\n", path.c_str())); } std::ifstream testStream(actualPath.c_str(), std::ios_base::in | std::ios_base::binary); if (!testStream.is_open()) { throw std::runtime_error(format_string("failed to open file: %s", actualPath.c_str())); } // catch exceptions so we can close the file stream try { if (ELFSourceFile::isELFFile(testStream)) { testStream.close(); return new ELFSourceFile(actualPath); } else if (SRecordSourceFile::isSRecordFile(testStream)) { testStream.close(); return new SRecordSourceFile(actualPath); } // treat it as a binary file testStream.close(); return new BinarySourceFile(actualPath); } catch (...) { testStream.close(); throw; } } SourceFile::SourceFile(const std::string & path) : m_path(path), m_stream() { } //! The file is closed if it had been left opened. //! SourceFile::~SourceFile() { if (isOpen()) { m_stream->close(); } } //! \exception std::runtime_error Raised if the file could not be opened successfully. void SourceFile::open() { assert(!isOpen()); m_stream = new std::ifstream(m_path.c_str(), std::ios_base::in | std::ios_base::binary); if (!m_stream->is_open()) { throw std::runtime_error(format_string("failed to open file: %s", m_path.c_str())); } } void SourceFile::close() { assert(isOpen()); m_stream->close(); m_stream.safe_delete(); } unsigned SourceFile::getSize() { bool wasOpen = isOpen(); std::ifstream::pos_type oldPosition; if (!wasOpen) { open(); } assert(m_stream); oldPosition = m_stream->tellg(); m_stream->seekg(0, std::ios_base::end); unsigned resultSize = m_stream->tellg(); m_stream->seekg(oldPosition); if (!wasOpen) { close(); } return resultSize; } //! If the file does not support named sections, or if there is not a //! section with the given name, this method may return NULL. //! //! This method is just a small wrapper that creates an //! FixedMatcher string matcher instance and uses the createDataSource() //! that takes a reference to a StringMatcher. DataSource * SourceFile::createDataSource(const std::string & section) { FixedMatcher matcher(section); return createDataSource(matcher); } DataTarget * SourceFile::createDataTargetForEntryPoint() { if (!hasEntryPoint()) { return NULL; } return new ConstantDataTarget(getEntryPointAddress()); } DataSource * BinarySourceFile::createDataSource() { std::istream * fileStream = getStream(); assert(fileStream); // get stream size fileStream->seekg(0, std::ios_base::end); int length = fileStream->tellg(); // allocate buffer smart_array_ptr data = new uint8_t[length]; // if (!data) // { // throw std::bad_alloc(); // } // read entire file into the buffer fileStream->seekg(0, std::ios_base::beg); if (fileStream->read((char *)data.get(), length).bad()) { throw std::runtime_error(format_string("unexpected end of file: %s", m_path.c_str())); } // create the data source. the buffer is copied, so we can dispose of it. return new UnmappedDataSource(data, length); } @