#ifndef LLVM_OBJECT_BINARY_H
#define LLVM_OBJECT_BINARY_H
-#include "llvm/ADT/OwningPtr.h"
#include "llvm/Object/Error.h"
+#include "llvm/Support/ErrorOr.h"
+#include "llvm/Support/FileSystem.h"
+#include "llvm/Support/MemoryBuffer.h"
namespace llvm {
-class MemoryBuffer;
+class LLVMContext;
class StringRef;
namespace object {
class Binary {
private:
- Binary(); // = delete
- Binary(const Binary &other); // = delete
+ Binary() = delete;
+ Binary(const Binary &other) = delete;
unsigned int TypeID;
protected:
- MemoryBuffer *Data;
+ MemoryBufferRef Data;
- Binary(unsigned int Type, MemoryBuffer *Source);
+ Binary(unsigned int Type, MemoryBufferRef Source);
enum {
- isArchive,
+ ID_Archive,
+ ID_MachOUniversalBinary,
+ ID_IR, // LLVM IR
// Object and children.
- isObject,
- isCOFF,
- isELF,
- isMachO,
- lastObject
+ 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;
+ MemoryBufferRef getMemoryBufferRef() const;
// Cast methods.
unsigned int getType() const { return TypeID; }
- static inline bool classof(const Binary *v) { return true; }
+
+ // 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);
+ }
};
-error_code createBinary(MemoryBuffer *Source, OwningPtr<Binary> &Result);
-error_code createBinary(StringRef Path, OwningPtr<Binary> &Result);
+/// @brief Create a Binary from Source, autodetecting the file type.
+///
+/// @param Source The data to create the Binary from.
+ErrorOr<std::unique_ptr<Binary>> createBinary(MemoryBufferRef Source,
+ LLVMContext *Context = nullptr);
+
+template <typename T> class OwningBinary {
+ std::unique_ptr<T> Bin;
+ std::unique_ptr<MemoryBuffer> Buf;
+
+public:
+ OwningBinary();
+ OwningBinary(std::unique_ptr<T> Bin, std::unique_ptr<MemoryBuffer> Buf);
+ OwningBinary(OwningBinary<T>&& Other);
+ OwningBinary<T> &operator=(OwningBinary<T> &&Other);
+
+ std::pair<std::unique_ptr<T>, std::unique_ptr<MemoryBuffer>> takeBinary();
+
+ T* getBinary();
+ const T* getBinary() const;
+};
+
+template <typename T>
+OwningBinary<T>::OwningBinary(std::unique_ptr<T> Bin,
+ std::unique_ptr<MemoryBuffer> Buf)
+ : Bin(std::move(Bin)), Buf(std::move(Buf)) {}
+
+template <typename T> OwningBinary<T>::OwningBinary() {}
+
+template <typename T>
+OwningBinary<T>::OwningBinary(OwningBinary &&Other)
+ : Bin(std::move(Other.Bin)), Buf(std::move(Other.Buf)) {}
+
+template <typename T>
+OwningBinary<T> &OwningBinary<T>::operator=(OwningBinary &&Other) {
+ Bin = std::move(Other.Bin);
+ Buf = std::move(Other.Buf);
+ return *this;
+}
+
+template <typename T>
+std::pair<std::unique_ptr<T>, std::unique_ptr<MemoryBuffer>>
+OwningBinary<T>::takeBinary() {
+ return std::make_pair(std::move(Bin), std::move(Buf));
+}
+
+template <typename T> T* OwningBinary<T>::getBinary() {
+ return Bin.get();
+}
+
+template <typename T> const T* OwningBinary<T>::getBinary() const {
+ return Bin.get();
+}
+ErrorOr<OwningBinary<Binary>> createBinary(StringRef Path);
}
}