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(*===-- llvm_executionengine.ml - LLVM OCaml Interface --------*- OCaml -*-===*
*
* The LLVM Compiler Infrastructure
*
* This file is distributed under the University of Illinois Open Source
* License. See LICENSE.TXT for details.
*
*===----------------------------------------------------------------------===*)
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 -> int64 -> llexecutionengine -> unit
= "llvm_ee_add_global_mapping"
external get_global_value_address_ : string -> llexecutionengine -> int64
= "llvm_ee_get_global_value_address"
external get_function_address_ : string -> llexecutionengine -> int64
= "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 Int64.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 Int64.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
*)
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