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
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
| (* RUN: rm -rf %t && mkdir -p %t && cp %s %t/executionengine.ml
* RUN: %ocamlc -g -w +A -package llvm.executionengine -linkpkg %t/executionengine.ml -o %t/executable
* RUN: %t/executable
* RUN: %ocamlopt -g -w +A -package llvm.executionengine -linkpkg %t/executionengine.ml -o %t/executable
* RUN: %t/executable
* 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 *)
ignore (define_plus m);
(* declare global variable *)
ignore (define_global "globvar" (const_int i32_type 23) m);
(* 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;
(* get a handle on globvar *)
let varh = get_global_value_address "globvar" int32_t ee in
if 23l <> varh then bomb "get_global_value_address didn't work";
(* call plus *)
let cplusty = Foreign.funptr (int32_t @-> int32_t @-> returning int32_t) in
let cplus = get_function_address "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 ()
|