//===- Binary.h - A generic binary file -------------------------*- C++ -*-===// // // The LLVM Compiler Infrastructure // // This file is distributed under the University of Illinois Open Source // License. See LICENSE.TXT for details. // //===----------------------------------------------------------------------===// // // This file declares the Binary class. // //===----------------------------------------------------------------------===// #ifndef LLVM_OBJECT_BINARY_H #define LLVM_OBJECT_BINARY_H #include "llvm/Object/Error.h" #include "llvm/Support/ErrorOr.h" #include "llvm/Support/FileSystem.h" namespace llvm { class LLVMContext; class MemoryBuffer; class StringRef; namespace object { class Binary { private: Binary() LLVM_DELETED_FUNCTION; Binary(const Binary &other) LLVM_DELETED_FUNCTION; unsigned int TypeID; bool BufferOwned; protected: MemoryBuffer *Data; Binary(unsigned int Type, MemoryBuffer *Source, bool BufferOwned = true); enum { ID_Archive, ID_MachOUniversalBinary, ID_IR, // LLVM IR // Object and children. ID_StartObjects, ID_COFF, ID_ELF32L, // ELF 32-bit, little endian ID_ELF32B, // ELF 32-bit, big endian ID_ELF64L, // ELF 64-bit, little endian ID_ELF64B, // ELF 64-bit, big endian ID_MachO32L, // MachO 32-bit, little endian ID_MachO32B, // MachO 32-bit, big endian ID_MachO64L, // MachO 64-bit, little endian ID_MachO64B, // MachO 64-bit, big endian ID_EndObjects }; static inline unsigned int getELFType(bool isLE, bool is64Bits) { if (isLE) return is64Bits ? ID_ELF64L : ID_ELF32L; else return is64Bits ? ID_ELF64B : ID_ELF32B; } static unsigned int getMachOType(bool isLE, bool is64Bits) { if (isLE) return is64Bits ? ID_MachO64L : ID_MachO32L; else return is64Bits ? ID_MachO64B : ID_MachO32B; } public: virtual ~Binary(); StringRef getData() const; StringRef getFileName() const; // Cast methods. unsigned int getType() const { return TypeID; } // Convenience methods bool isObject() const { return TypeID > ID_StartObjects && TypeID < ID_EndObjects; } bool isSymbolic() const { return isIR() || isObject(); } bool isArchive() const { return TypeID == ID_Archive; } bool isMachOUniversalBinary() const { return TypeID == ID_MachOUniversalBinary; } bool isELF() const { return TypeID >= ID_ELF32L && TypeID <= ID_ELF64B; } bool isMachO() const { return TypeID >= ID_MachO32L && TypeID <= ID_MachO64B; } bool isCOFF() const { return TypeID == ID_COFF; } bool isIR() const { return TypeID == ID_IR; } bool isLittleEndian() const { return !(TypeID == ID_ELF32B || TypeID == ID_ELF64B || TypeID == ID_MachO32B || TypeID == ID_MachO64B); } }; /// @brief Create a Binary from Source, autodetecting the file type. /// /// @param Source The data to create the Binary from. Ownership is transferred /// to the Binary if successful. If an error is returned, /// Source is destroyed by createBinary before returning. ErrorOr<Binary *> createBinary(MemoryBuffer *Source, LLVMContext *Context = 0); ErrorOr<Binary *> createBinary(StringRef Path); } } #endif