third_party/llvm-project/llvm/bindings/ocaml/linker/linker_ocaml.c

/*===-- linker_ocaml.c - LLVM OCaml Glue ------------------------*- C++ -*-===*\
|*                                                                            *|
|*                     The LLVM Compiler Infrastructure                       *|
|*                                                                            *|
|* This file 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/Core.h"
#include "llvm-c/Linker.h"
#include "caml/alloc.h"
#include "caml/memory.h"
#include "caml/fail.h"
#include "caml/callback.h"

void llvm_raise(value Prototype, char *Message);

/* llmodule -> llmodule -> unit */
CAMLprim value llvm_link_modules(LLVMModuleRef Dst, LLVMModuleRef Src) {
  if (LLVMLinkModules2(Dst, Src))
    llvm_raise(*caml_named_value("Llvm_linker.Error"), LLVMCreateMessage("Linking failed"));

  return Val_unit;
}