bindings/ocaml/bitwriter/bitwriter_ocaml.c

   1 /*===-- bitwriter_ocaml.c - LLVM OCaml Glue ---------------------*- C++ -*-===*\
   2 |*                                                                            *|
   3 |*                     The LLVM Compiler Infrastructure                       *|
   4 |*                                                                            *|
   5 |* This file is distributed under the University of Illinois Open Source      *|
   6 |* License. See LICENSE.TXT for details.                                      *|
   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 /*===-- Modules -----------------------------------------------------------===*/
  25
  26 /* Llvm.llmodule -> string -> bool */
  27 CAMLprim value llvm_write_bitcode_file(value M, value Path) {
  28   int res = LLVMWriteBitcodeToFile((LLVMModuleRef) M, String_val(Path));
  29   return Val_bool(res == 0);
  30 }
  31
  32 /* ?unbuffered:bool -> Llvm.llmodule -> Unix.file_descr -> bool */
  33 CAMLprim value llvm_write_bitcode_to_fd(value U, value M, value FD) {
  34   int Unbuffered;
  35   int res;
  36
  37   if (U == Val_int(0)) {
  38     Unbuffered = 0;
  39   } else {
  40     Unbuffered = Bool_val(Field(U,0));
  41   }
  42
  43   res = LLVMWriteBitcodeToFD((LLVMModuleRef) M, Int_val(FD), 0, Unbuffered);
  44   return Val_bool(res == 0);
  45 }