1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
| (*===-- llvm_executionengine.ml - LLVM OCaml Interface --------*- OCaml -*-===*
*
* Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
* See https://llvm.org/LICENSE.txt for license information.
* SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
*
*===----------------------------------------------------------------------===*)
exception Error of string
let () = Callback.register_exception "Llvm_executionengine.Error" (Error "")
external initialize : unit -> bool
= "llvm_ee_initialize"
type llexecutionengine
type llcompileroptions = {
opt_level: int;
code_model: Llvm_target.CodeModel.t;
no_framepointer_elim: bool;
enable_fast_isel: bool;
}
let default_compiler_options = {
opt_level = 0;
code_model = Llvm_target.CodeModel.JITDefault;
no_framepointer_elim = false;
enable_fast_isel = false }
external create : ?options:llcompileroptions -> Llvm.llmodule -> llexecutionengine
= "llvm_ee_create"
external dispose : llexecutionengine -> unit
= "llvm_ee_dispose"
external add_module : Llvm.llmodule -> llexecutionengine -> unit
= "llvm_ee_add_module"
external remove_module : Llvm.llmodule -> llexecutionengine -> unit
= "llvm_ee_remove_module"
external run_static_ctors : llexecutionengine -> unit
= "llvm_ee_run_static_ctors"
external run_static_dtors : llexecutionengine -> unit
= "llvm_ee_run_static_dtors"
external data_layout : llexecutionengine -> Llvm_target.DataLayout.t
= "llvm_ee_get_data_layout"
external add_global_mapping_ : Llvm.llvalue -> nativeint -> llexecutionengine -> unit
= "llvm_ee_add_global_mapping"
external get_global_value_address_ : string -> llexecutionengine -> nativeint
= "llvm_ee_get_global_value_address"
external get_function_address_ : string -> llexecutionengine -> nativeint
= "llvm_ee_get_function_address"
let add_global_mapping llval ptr ee =
add_global_mapping_ llval (Ctypes.raw_address_of_ptr (Ctypes.to_voidp ptr)) ee
let get_global_value_address name typ ee =
let vptr = get_global_value_address_ name ee in
if Nativeint.to_int vptr <> 0 then
let open Ctypes in !@ (coerce (ptr void) (ptr typ) (ptr_of_raw_address vptr))
else
raise (Error ("Value " ^ name ^ " not found"))
let get_function_address name typ ee =
let fptr = get_function_address_ name ee in
if Nativeint.to_int fptr <> 0 then
let open Ctypes in coerce (ptr void) typ (ptr_of_raw_address fptr)
else
raise (Error ("Function " ^ name ^ " not found"))
(* The following are not bound. Patches are welcome.
target_machine : llexecutionengine -> Llvm_target.TargetMachine.t
*)
|