bindings/ocaml/bitreader/bitreader_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 \*===----------------------------------------------------------------------===*/
  14
  15 #include "llvm-c/BitReader.h"
  16 #include "caml/alloc.h"
  17 #include "caml/fail.h"
  18 #include "caml/memory.h"
  19 #include "caml/callback.h"
  20
  21 void llvm_raise(value Prototype, char *Message);
  22
  23 /* Llvm.llcontext -> Llvm.llmemorybuffer -> Llvm.llmodule */
  24 CAMLprim LLVMModuleRef llvm_get_module(LLVMContextRef C, LLVMMemoryBufferRef MemBuf) {
  25   LLVMModuleRef M;
  26
  27   if (LLVMGetBitcodeModuleInContext2(C, MemBuf, &M))
  28     llvm_raise(*caml_named_value("Llvm_bitreader.Error"), "");
  29
  30   return M;
  31 }
  32
  33 /* Llvm.llcontext -> Llvm.llmemorybuffer -> Llvm.llmodule */
  34 CAMLprim LLVMModuleRef llvm_parse_bitcode(LLVMContextRef C, LLVMMemoryBufferRef MemBuf) {
  35   LLVMModuleRef M;
  36
  37   if (LLVMParseBitcodeInContext2(C, MemBuf, &M))
  38     llvm_raise(*caml_named_value("Llvm_bitreader.Error"), "");
  39
  40   return M;
  41 }