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1 /*===-- irreader_ocaml.c - LLVM OCaml Glue ----------------------*- C++ -*-===*\
2 |*                                                                            *|
3 |* Part of the LLVM Project, under the Apache License v2.0 with LLVM          *|
4 |* Exceptions.                                                                *|
5 |* See https://llvm.org/LICENSE.txt for license information.                  *|
6 |* SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception                    *|
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/IRReader.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 */
llvm_parse_ir(LLVMContextRef C,LLVMMemoryBufferRef MemBuf)24 CAMLprim value llvm_parse_ir(LLVMContextRef C,
25                              LLVMMemoryBufferRef MemBuf) {
26   CAMLparam0();
27   CAMLlocal2(Variant, MessageVal);
28   LLVMModuleRef M;
29   char *Message;
30 
31   if (LLVMParseIRInContext(C, MemBuf, &M, &Message))
32     llvm_raise(*caml_named_value("Llvm_irreader.Error"), Message);
33 
34   CAMLreturn((value) M);
35 }
36