TF_Status* status) const;

  // The number of devices operations run on.
  size_t num_underlying_devices() const { return underlying_devices_.size(); }

  // The devices operations run on.
  const std::vector<std::string>& underlying_devices() const {
    return underlying_devices_;
  }

  // Takes a description of a single operation being executed on the

TFE_Op* SendOp(TFE_Context* ctx, TFE_TensorHandle* in,
               const std::string& op_name, const std::string& send_device,
               const std::string& recv_device,
               tensorflow::uint64 send_device_incarnation);

// Return a RecvOp op `op_name` with the attributes `send_device`,
// `recv_device`, and `send_device_incarnation` set.
TFE_Op* RecvOp(TFE_Context* ctx, const std::string& op_name,

}

void TF_AttrBuilderSetTypeList(TF_AttrBuilder* builder, const char* attr_name,
                               const TF_DataType* values, int num_values) {
  auto iter = builder->attr_names.insert(attr_name).first;
  builder->Set(*iter, tensorflow::gtl::ArraySlice<const tensorflow::DataType>(
                          reinterpret_cast<const tensorflow::DataType*>(values),
                          num_values));
}

  // that the argument need to be handled by a custom device.
  virtual bool HasCustomDeviceInput() const = 0;

  virtual const tensorflow::OpDef* OpDef() const = 0;

  virtual absl::Status InputLength(const char* input_name, int* length) = 0;
  virtual absl::Status OutputLength(const char* output_name, int* length) = 0;

  // Set stack trace to be used for potential async error reporting.

                       GradientFunction* gradient_function,
                       const string& op_name = "");
  // Returns whether any tensor in a list of tensors is being watched and has
  // a trainable dtype.
  bool ShouldRecord(
      absl::Span<const AbstractTensorHandle* const> tensors) const;
  // Unwatches this tensor on the tape. Mainly used for cleanup when deleting
  // eager tensors.

      const FunctionDef& fdef, const StackTracesMap& stack_traces) = 0;

  // Find and return a added function by its name.
  virtual const FunctionDef* FindFunctionDef(const string& name) const = 0;

  // Find and return a function record added by its name.
  virtual core::RefCountPtr<FunctionRecord> FindRecord(
      const string& name) const = 0;

pkg debug/elf, const R_386_PC16 R_386
pkg debug/elf, const R_386_PC8 = 23
pkg debug/elf, const R_386_PC8 R_386
pkg debug/elf, const R_386_SIZE32 = 38
pkg debug/elf, const R_386_SIZE32 R_386
pkg debug/elf, const R_386_TLS_DESC = 41
pkg debug/elf, const R_386_TLS_DESC R_386
pkg debug/elf, const R_386_TLS_DESC_CALL = 40
pkg debug/elf, const R_386_TLS_DESC_CALL R_386
pkg debug/elf, const R_386_TLS_GOTDESC = 39

pkg debug/elf, const EM_68HC08 = 71
pkg debug/elf, const EM_68HC08 Machine
pkg debug/elf, const EM_68HC11 = 70
pkg debug/elf, const EM_68HC11 Machine
pkg debug/elf, const EM_68HC16 = 69
pkg debug/elf, const EM_68HC16 Machine
pkg debug/elf, const EM_78KOR = 199
pkg debug/elf, const EM_78KOR Machine
pkg debug/elf, const EM_8051 = 165
pkg debug/elf, const EM_8051 Machine
pkg debug/elf, const EM_ALTERA_NIOS2 = 113

pkg debug/elf, const R_LARCH_ABS_LO12 R_LARCH #54222
pkg debug/elf, const R_LARCH_B16 = 64 #54222
pkg debug/elf, const R_LARCH_B16 R_LARCH #54222
pkg debug/elf, const R_LARCH_B21 = 65 #54222
pkg debug/elf, const R_LARCH_B21 R_LARCH #54222
pkg debug/elf, const R_LARCH_B26 = 66 #54222
pkg debug/elf, const R_LARCH_B26 R_LARCH #54222
pkg debug/elf, const R_LARCH_GNU_VTENTRY = 58 #54222

pkg debug/macho, const CpuArm = 12
pkg debug/macho, const CpuArm Cpu
pkg debug/macho, const CpuPpc = 18
pkg debug/macho, const CpuPpc Cpu
pkg debug/macho, const CpuPpc64 = 16777234
pkg debug/macho, const CpuPpc64 Cpu
pkg debug/macho, const MagicFat = 3405691582
pkg debug/macho, const MagicFat uint32
pkg debug/macho, const TypeBundle = 8
pkg debug/macho, const TypeBundle Type
pkg debug/macho, const TypeDylib = 6