Adding ocaml language bindings for the vmcore and bitwriter libraries. These are

[oota-llvm.git] / bindings / ocaml / bitwriter / bitwriter_ocaml.c

diff --git a/bindings/ocaml/bitwriter/bitwriter_ocaml.c b/bindings/ocaml/bitwriter/bitwriter_ocaml.c
new file mode 100644 (file)
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+++ b/bindings/ocaml/bitwriter/bitwriter_ocaml.c
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+/*===-- bitwriter_ocaml.c - LLVM Ocaml Glue ---------------------*- C++ -*-===*\
+|*                                                                            *|
+|*                     The LLVM Compiler Infrastructure                       *|
+|*                                                                            *|
+|* This file was developed by Gordon Henriksen and is distributed under the   *|
+|* University of Illinois Open Source License. See LICENSE.TXT for details.   *|
+|*                                                                            *|
+|*===----------------------------------------------------------------------===*|
+|*                                                                            *|
+|* This file glues LLVM's ocaml interface to its C interface. These functions *|
+|* are by and large transparent wrappers to the corresponding C functions.    *|
+|*                                                                            *|
+|* Note that these functions intentionally take liberties with the CAMLparamX *|
+|* macros, since most of the parameters are not GC heap objects.              *|
+|*                                                                            *|
+\*===----------------------------------------------------------------------===*/
+
+#include "llvm-c/BitWriter.h"
+#include "llvm-c/Core.h"
+#include "caml/alloc.h"
+#include "caml/mlvalues.h"
+#include "caml/memory.h"
+
+/*===-- Modules -----------------------------------------------------------===*/
+
+/* Llvm.llmodule -> string -> bool */
+CAMLprim value llvm_write_bitcode_file(value M, value Path) {
+  CAMLparam1(Path);
+  int res = LLVMWriteBitcodeToFile((LLVMModuleRef) M, String_val(Path));
+  CAMLreturn(Val_bool(res == 0));
+}