1 files changed, 105 insertions, 0 deletions
diff --git a/test/Bindings/OCaml/executionengine.ml b/test/Bindings/OCaml/executionengine.ml
new file mode 100644
index 0000000..893f988
--- /dev/null
+++ b/test/Bindings/OCaml/executionengine.ml
@@ -0,0 +1,105 @@
+(* RUN: cp %s %T/executionengine.ml
+ * RUN: %ocamlc -g -warn-error A -package llvm.executionengine -linkpkg %T/executionengine.ml -o %t
+ * RUN: %t
+ * RUN: %ocamlopt -g -warn-error A -package llvm.executionengine -linkpkg %T/executionengine.ml -o %t
+ * RUN: %t
+ * REQUIRES: native, object-emission
+ * XFAIL: vg_leak
+ *)
+
+open Llvm
+open Llvm_executionengine
+open Llvm_target
+
+(* Note that this takes a moment to link, so it's best to keep the number of
+   individual tests low. *)
+
+let context = global_context ()
+let i8_type = Llvm.i8_type context
+let i32_type = Llvm.i32_type context
+let i64_type = Llvm.i64_type context
+let double_type = Llvm.double_type context
+
+let () =
+  assert (Llvm_executionengine.initialize ())
+
+let bomb msg =
+  prerr_endline msg;
+  exit 2
+
+let define_getglobal m pg =
+  let fn = define_function "getglobal" (function_type i32_type [||]) m in
+  let b = builder_at_end (global_context ()) (entry_block fn) in
+  let g = build_call pg [||] "" b in
+  ignore (build_ret g b);
+  fn
+
+let define_plus m =
+  let fn = define_function "plus" (function_type i32_type [| i32_type;
+                                                             i32_type |]) m in
+  let b = builder_at_end (global_context ()) (entry_block fn) in
+  let add = build_add (param fn 0) (param fn 1) "sum" b in
+  ignore (build_ret add b);
+  fn
+
+let test_executionengine () =
+  let open Ctypes in
+
+  (* create *)
+  let m = create_module (global_context ()) "test_module" in
+  let ee = create m in
+
+  (* add plus *)
+  let plus = define_plus m in
+
+  (* add module *)
+  let m2 = create_module (global_context ()) "test_module2" in
+  add_module m2 ee;
+
+  (* add global mapping *)
+  (* BROKEN: see PR20656 *)
+  (* let g = declare_function "g" (function_type i32_type [||]) m2 in
+  let cg = coerce (Foreign.funptr (void @-> returning int32_t)) (ptr void)
+                                  (fun () -> 42l) in
+  add_global_mapping g cg ee;
+
+  (* check g *)
+  let cg' = get_pointer_to_global g (ptr void) ee in
+  if 0 <> ptr_compare cg cg' then bomb "int pointers to g differ";
+
+  (* add getglobal *)
+  let getglobal = define_getglobal m2 g in*)
+
+  (* run_static_ctors *)
+  run_static_ctors ee;
+
+  (* call plus *)
+  let cplusty = Foreign.funptr (int32_t @-> int32_t @-> returning int32_t) in
+  let cplus   = get_pointer_to_global plus cplusty ee in
+  if 4l <> cplus 2l 2l then bomb "plus didn't work";
+
+  (* call getglobal *)
+  (* let cgetglobalty = Foreign.funptr (void @-> returning int32_t) in
+  let cgetglobal   = get_pointer_to_global getglobal cgetglobalty ee in
+  if 42l <> cgetglobal () then bomb "getglobal didn't work"; *)
+
+  (* remove_module *)
+  remove_module m2 ee;
+  dispose_module m2;
+
+  (* run_static_dtors *)
+  run_static_dtors ee;
+
+  (* Show that the data layout binding links and runs.*)
+  let dl = data_layout ee in
+
+  (* Demonstrate that a garbage pointer wasn't returned. *)
+  let ty = DataLayout.intptr_type context dl in
+  if ty != i32_type && ty != i64_type then bomb "target_data did not work";
+
+  (* dispose *)
+  dispose ee
+
+let () =
+  test_executionengine ();
+  Gc.compact ()