1(* RUN: rm -rf %t && mkdir -p %t && cp %s %t/executionengine.ml 2 * RUN: %ocamlc -g -w +A -package llvm.executionengine -linkpkg %t/executionengine.ml -o %t/executable 3 * RUN: %t/executable 4 * RUN: %ocamlopt -g -w +A -package llvm.executionengine -linkpkg %t/executionengine.ml -o %t/executable 5 * RUN: %t/executable 6 * REQUIRES: native, object-emission 7 * XFAIL: vg_leak 8 *) 9 10open Llvm 11open Llvm_executionengine 12open Llvm_target 13 14(* Note that this takes a moment to link, so it's best to keep the number of 15 individual tests low. *) 16 17let context = global_context () 18let i8_type = Llvm.i8_type context 19let i32_type = Llvm.i32_type context 20let i64_type = Llvm.i64_type context 21let double_type = Llvm.double_type context 22 23let () = 24 assert (Llvm_executionengine.initialize ()) 25 26let bomb msg = 27 prerr_endline msg; 28 exit 2 29 30let define_getglobal m pg = 31 let fn = define_function "getglobal" (function_type i32_type [||]) m in 32 let b = builder_at_end (global_context ()) (entry_block fn) in 33 let g = build_call pg [||] "" b in 34 ignore (build_ret g b); 35 fn 36 37let define_plus m = 38 let fn = define_function "plus" (function_type i32_type [| i32_type; 39 i32_type |]) m in 40 let b = builder_at_end (global_context ()) (entry_block fn) in 41 let add = build_add (param fn 0) (param fn 1) "sum" b in 42 ignore (build_ret add b); 43 fn 44 45let test_executionengine () = 46 let open Ctypes in 47 48 (* create *) 49 let m = create_module (global_context ()) "test_module" in 50 let ee = create m in 51 52 (* add plus *) 53 ignore (define_plus m); 54 55 (* declare global variable *) 56 ignore (define_global "globvar" (const_int i32_type 23) m); 57 58 (* add module *) 59 let m2 = create_module (global_context ()) "test_module2" in 60 add_module m2 ee; 61 62 (* add global mapping *) 63 (* BROKEN: see PR20656 *) 64 (* let g = declare_function "g" (function_type i32_type [||]) m2 in 65 let cg = coerce (Foreign.funptr (void @-> returning int32_t)) (ptr void) 66 (fun () -> 42l) in 67 add_global_mapping g cg ee; 68 69 (* check g *) 70 let cg' = get_pointer_to_global g (ptr void) ee in 71 if 0 <> ptr_compare cg cg' then bomb "int pointers to g differ"; 72 73 (* add getglobal *) 74 let getglobal = define_getglobal m2 g in*) 75 76 (* run_static_ctors *) 77 run_static_ctors ee; 78 79 (* get a handle on globvar *) 80 let varh = get_global_value_address "globvar" int32_t ee in 81 if 23l <> varh then bomb "get_global_value_address didn't work"; 82 83 (* call plus *) 84 let cplusty = Foreign.funptr (int32_t @-> int32_t @-> returning int32_t) in 85 let cplus = get_function_address "plus" cplusty ee in 86 if 4l <> cplus 2l 2l then bomb "plus didn't work"; 87 88 (* call getglobal *) 89 (* let cgetglobalty = Foreign.funptr (void @-> returning int32_t) in 90 let cgetglobal = get_pointer_to_global getglobal cgetglobalty ee in 91 if 42l <> cgetglobal () then bomb "getglobal didn't work"; *) 92 93 (* remove_module *) 94 remove_module m2 ee; 95 dispose_module m2; 96 97 (* run_static_dtors *) 98 run_static_dtors ee; 99 100 (* Show that the data layout binding links and runs.*) 101 let dl = data_layout ee in 102 103 (* Demonstrate that a garbage pointer wasn't returned. *) 104 let ty = DataLayout.intptr_type context dl in 105 if ty != i32_type && ty != i64_type then bomb "target_data did not work"; 106 107 (* dispose *) 108 dispose ee 109 110let () = 111 test_executionengine (); 112 Gc.compact () 113