1 /*===-- bitwriter_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 "caml/alloc.h"
16 #include "caml/callback.h"
17 #include "caml/fail.h"
18 #include "caml/memory.h"
19 #include "llvm_ocaml.h"
20 #include "llvm-c/BitReader.h"
21 #include "llvm-c/Core.h"
22
23 void llvm_raise(value Prototype, char *Message);
24
25 /* Llvm.llcontext -> Llvm.llmemorybuffer -> Llvm.llmodule */
llvm_get_module(value C,value MemBuf)26 value llvm_get_module(value C, value MemBuf) {
27 LLVMModuleRef M;
28
29 if (LLVMGetBitcodeModuleInContext2(Context_val(C), MemoryBuffer_val(MemBuf),
30 &M))
31 llvm_raise(*caml_named_value("Llvm_bitreader.Error"),
32 LLVMCreateMessage(""));
33
34 return to_val(M);
35 }
36
37 /* Llvm.llcontext -> Llvm.llmemorybuffer -> Llvm.llmodule */
llvm_parse_bitcode(value C,value MemBuf)38 value llvm_parse_bitcode(value C, value MemBuf) {
39 LLVMModuleRef M;
40
41 if (LLVMParseBitcodeInContext2(Context_val(C), MemoryBuffer_val(MemBuf), &M))
42 llvm_raise(*caml_named_value("Llvm_bitreader.Error"),
43 LLVMCreateMessage(""));
44
45 return to_val(M);
46 }
47