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      1 /*===-- linker_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/Core.h"
     19 #include "llvm-c/Linker.h"
     20 #include "caml/alloc.h"
     21 #include "caml/memory.h"
     22 #include "caml/fail.h"
     23 #include "caml/callback.h"
     24 
     25 void llvm_raise(value Prototype, char *Message);
     26 
     27 /* llmodule -> llmodule -> unit */
     28 CAMLprim value llvm_link_modules(LLVMModuleRef Dst, LLVMModuleRef Src) {
     29   if (LLVMLinkModules2(Dst, Src))
     30     llvm_raise(*caml_named_value("Llvm_linker.Error"), LLVMCreateMessage("Linking failed"));
     31 
     32   return Val_unit;
     33 }
     34