1 (*===-- llvm_executionengine.ml - LLVM OCaml Interface --------*- OCaml -*-===*
3 * The LLVM Compiler Infrastructure
5 * This file is distributed under the University of Illinois Open Source
6 * License. See LICENSE.TXT for details.
8 *===----------------------------------------------------------------------===*)
10 exception Error of string
12 let () = Callback.register_exception "Llvm_executionengine.Error" (Error "")
14 external initialize : unit -> bool
15 = "llvm_ee_initialize"
17 type llexecutionengine
19 type llcompileroptions = {
21 code_model: Llvm_target.CodeModel.t;
22 no_framepointer_elim: bool;
23 enable_fast_isel: bool;
26 let default_compiler_options = {
28 code_model = Llvm_target.CodeModel.JITDefault;
29 no_framepointer_elim = false;
30 enable_fast_isel = false }
32 external create : ?options:llcompileroptions -> Llvm.llmodule -> llexecutionengine
34 external dispose : llexecutionengine -> unit
36 external add_module : Llvm.llmodule -> llexecutionengine -> unit
37 = "llvm_ee_add_module"
38 external remove_module : Llvm.llmodule -> llexecutionengine -> unit
39 = "llvm_ee_remove_module"
40 external run_static_ctors : llexecutionengine -> unit
41 = "llvm_ee_run_static_ctors"
42 external run_static_dtors : llexecutionengine -> unit
43 = "llvm_ee_run_static_dtors"
44 external data_layout : llexecutionengine -> Llvm_target.DataLayout.t
45 = "llvm_ee_get_data_layout"
46 external add_global_mapping_ : Llvm.llvalue -> nativeint -> llexecutionengine -> unit
47 = "llvm_ee_add_global_mapping"
48 external get_global_value_address_ : string -> llexecutionengine -> nativeint
49 = "llvm_ee_get_global_value_address"
50 external get_function_address_ : string -> llexecutionengine -> nativeint
51 = "llvm_ee_get_function_address"
53 let add_global_mapping llval ptr ee =
54 add_global_mapping_ llval (Ctypes.raw_address_of_ptr (Ctypes.to_voidp ptr)) ee
56 let get_global_value_address name typ ee =
57 let vptr = get_global_value_address_ name ee in
58 if Nativeint.to_int vptr <> 0 then
59 let open Ctypes in !@ (coerce (ptr void) (ptr typ) (ptr_of_raw_address vptr))
61 raise (Error ("Value " ^ name ^ " not found"))
63 let get_function_address name typ ee =
64 let fptr = get_function_address_ name ee in
65 if Nativeint.to_int fptr <> 0 then
66 let open Ctypes in coerce (ptr void) typ (ptr_of_raw_address fptr)
68 raise (Error ("Function " ^ name ^ " not found"))
70 (* The following are not bound. Patches are welcome.
71 target_machine : llexecutionengine -> Llvm_target.TargetMachine.t