72 lines
2.5 KiB
OCaml
72 lines
2.5 KiB
OCaml
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(*===-- llvm_executionengine.ml - LLVM OCaml Interface --------*- OCaml -*-===*
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*
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* Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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* See https://llvm.org/LICENSE.txt for license information.
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* SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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*
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*===----------------------------------------------------------------------===*)
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exception Error of string
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let () = Callback.register_exception "Llvm_executionengine.Error" (Error "")
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external initialize : unit -> bool
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= "llvm_ee_initialize"
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type llexecutionengine
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type llcompileroptions = {
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opt_level: int;
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code_model: Llvm_target.CodeModel.t;
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no_framepointer_elim: bool;
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enable_fast_isel: bool;
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}
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let default_compiler_options = {
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opt_level = 0;
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code_model = Llvm_target.CodeModel.JITDefault;
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no_framepointer_elim = false;
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enable_fast_isel = false }
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external create : ?options:llcompileroptions -> Llvm.llmodule -> llexecutionengine
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= "llvm_ee_create"
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external dispose : llexecutionengine -> unit
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= "llvm_ee_dispose"
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external add_module : Llvm.llmodule -> llexecutionengine -> unit
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= "llvm_ee_add_module"
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external remove_module : Llvm.llmodule -> llexecutionengine -> unit
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= "llvm_ee_remove_module"
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external run_static_ctors : llexecutionengine -> unit
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= "llvm_ee_run_static_ctors"
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external run_static_dtors : llexecutionengine -> unit
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= "llvm_ee_run_static_dtors"
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external data_layout : llexecutionengine -> Llvm_target.DataLayout.t
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= "llvm_ee_get_data_layout"
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external add_global_mapping_ : Llvm.llvalue -> nativeint -> llexecutionengine -> unit
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= "llvm_ee_add_global_mapping"
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external get_global_value_address_ : string -> llexecutionengine -> nativeint
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= "llvm_ee_get_global_value_address"
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external get_function_address_ : string -> llexecutionengine -> nativeint
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= "llvm_ee_get_function_address"
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let add_global_mapping llval ptr ee =
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add_global_mapping_ llval (Ctypes.raw_address_of_ptr (Ctypes.to_voidp ptr)) ee
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let get_global_value_address name typ ee =
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let vptr = get_global_value_address_ name ee in
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if Nativeint.to_int vptr <> 0 then
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let open Ctypes in !@ (coerce (ptr void) (ptr typ) (ptr_of_raw_address vptr))
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else
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raise (Error ("Value " ^ name ^ " not found"))
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let get_function_address name typ ee =
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let fptr = get_function_address_ name ee in
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if Nativeint.to_int fptr <> 0 then
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let open Ctypes in coerce (ptr void) typ (ptr_of_raw_address fptr)
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else
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raise (Error ("Function " ^ name ^ " not found"))
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(* The following are not bound. Patches are welcome.
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target_machine : llexecutionengine -> Llvm_target.TargetMachine.t
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*)
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