bindings/go/llvm/bitwriter.go

   1 //===- bitwriter.go - Bindings for bitwriter ------------------------------===//
   2 //
   3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
   4 // See https://llvm.org/LICENSE.txt for license information.
   5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
   6 //
   7 //===----------------------------------------------------------------------===//
   8 //
   9 // This file defines bindings for the bitwriter component.
  10 //
  11 //===----------------------------------------------------------------------===//
  12
  13 package llvm
  14
  15 /*
  16 #include "llvm-c/BitWriter.h"
  17 #include <stdlib.h>
  18 */
  19 import "C"
  20 import "os"
  21 import "errors"
  22
  23 var writeBitcodeToFileErr = errors.New("Failed to write bitcode to file")
  24
  25 func WriteBitcodeToFile(m Module, file *os.File) error {
  26         fail := C.LLVMWriteBitcodeToFD(m.C, C.int(file.Fd()), C.int(0), C.int(0))
  27         if fail != 0 {
  28                 return writeBitcodeToFileErr
  29         }
  30         return nil
  31 }
  32
  33 func WriteBitcodeToMemoryBuffer(m Module) MemoryBuffer {
  34         mb := C.LLVMWriteBitcodeToMemoryBuffer(m.C)
  35         return MemoryBuffer{mb}
  36 }
  37
  38 // TODO(nsf): Figure out way how to make it work with io.Writer