bindings/ocaml/bitwriter/bitwriter_ocaml.c

   1 /*===-- bitwriter_ocaml.c - LLVM OCaml Glue ---------------------*- C++ -*-===*\
   2 |*                                                                            *|
   3 |* Part of the LLVM Project, under the Apache License v2.0 with LLVM          *|
   4 |* Exceptions.                                                                *|
   5 |* See https://llvm.org/LICENSE.txt for license information.                  *|
   6 |* SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception                    *|
   7 |*                                                                            *|
   8 |*===----------------------------------------------------------------------===*|
   9 |*                                                                            *|
  10 |* This file glues LLVM's OCaml interface to its C interface. These functions *|
  11 |* are by and large transparent wrappers to the corresponding C functions.    *|
  12 |*                                                                            *|
  13 |* Note that these functions intentionally take liberties with the CAMLparamX *|
  14 |* macros, since most of the parameters are not GC heap objects.              *|
  15 |*                                                                            *|
  16 \*===----------------------------------------------------------------------===*/
  17
  18 #include "llvm-c/BitWriter.h"
  19 #include "llvm-c/Core.h"
  20 #include "caml/alloc.h"
  21 #include "caml/mlvalues.h"
  22 #include "caml/memory.h"
  23
  24 /* Llvm.llmodule -> string -> bool */
  25 CAMLprim value llvm_write_bitcode_file(LLVMModuleRef M, value Path) {
  26   int Result = LLVMWriteBitcodeToFile(M, String_val(Path));
  27   return Val_bool(Result == 0);
  28 }
  29
  30 /* ?unbuffered:bool -> Llvm.llmodule -> Unix.file_descr -> bool */
  31 CAMLprim value llvm_write_bitcode_to_fd(value U, LLVMModuleRef M, value FD) {
  32   int Unbuffered;
  33   int Result;
  34
  35   if (U == Val_int(0)) {
  36     Unbuffered = 0;
  37   } else {
  38     Unbuffered = Bool_val(Field(U, 0));
  39   }
  40
  41   Result = LLVMWriteBitcodeToFD(M, Int_val(FD), 0, Unbuffered);
  42   return Val_bool(Result == 0);
  43 }
  44
  45 /* Llvm.llmodule -> Llvm.llmemorybuffer */
  46 CAMLprim LLVMMemoryBufferRef llvm_write_bitcode_to_memory_buffer(LLVMModuleRef M) {
  47   return LLVMWriteBitcodeToMemoryBuffer(M);
  48 }