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
(* SPDX-License-Identifier: AGPL-3.0-or-later *)
(* Copyright © 2021-2024 OCamlPro *)
(* Written by the Owi programmers *)
open Bos
open Syntax
let compile ~entry_point ~includes ~opt_lvl debug (files : Fpath.t list) :
Fpath.t Result.t =
let* clangpp_bin = OS.Cmd.resolve @@ Cmd.v "clang++" in
let opt_lvl = Fmt.str "-O%s" opt_lvl in
let includes = Cmd.of_list ~slip:"-I" (List.map Cmd.p includes) in
let clang_cmd : Cmd.t =
Cmd.(
clangpp_bin % "-Wno-everything" % opt_lvl % "-emit-llvm"
% "--target=wasm32" % "-m32" % "-c" %% includes
%% Cmd.of_list (List.map Cmd.p files) )
in
let err = if debug then OS.Cmd.err_run_out else OS.Cmd.err_null in
let* () =
match OS.Cmd.run ~err clang_cmd with
| Ok _ as v -> v
| Error (`Msg e) ->
Fmt.error_msg "clang++ failed: %s"
(if debug then e else "run with --debug to get the full error message")
in
let* llc_bin = OS.Cmd.resolve @@ Cmd.v "llc" in
let files_bc =
Cmd.of_list
@@ List.map (fun file -> Fpath.(file -+ ".bc") |> Fpath.base |> Cmd.p) files
in
let llc_cmd : Cmd.t =
Cmd.(
llc_bin
%
(* TODO: configure this ? *)
"-O0" % "-march=wasm32" % "-filetype=obj" %% files_bc )
in
let* () =
match OS.Cmd.run ~err llc_cmd with
| Ok _ as v -> v
| Error (`Msg e) ->
Fmt.error_msg "llc failed: %s"
(if debug then e else "run with --debug to get the full error message")
in
let* wasmld_bin = OS.Cmd.resolve @@ Cmd.v "wasm-ld" in
let files_o =
Cmd.of_list
@@ List.map (fun file -> Fpath.(file -+ ".o") |> Fpath.base |> Cmd.p) files
in
let out = Fpath.v "a.out.wasm" in
let* binc = Cmd_utils.find_installed_c_file (Fpath.v "libc.wasm") in
let entry_point = Option.value entry_point ~default:"main" in
let wasmld_cmd : Cmd.t =
Cmd.(
wasmld_bin % "-z" % "stack-size=8388608"
% Fmt.str "--export=%s" entry_point
% Fmt.str "--entry=%s" entry_point
%% files_o % p binc % "-o" % p out )
in
let+ () =
match OS.Cmd.run ~err wasmld_cmd with
| Ok _ as v -> v
| Error (`Msg e) ->
Fmt.error_msg "wasm-ld failed: %s"
(if debug then e else "run with --debug to get the full error message")
in
out
let cmd ~debug ~arch:_ ~workers ~opt_lvl ~includes ~files ~profiling ~unsafe
~optimize ~no_stop_at_failure ~no_value ~no_assert_failure_expression_printing
~deterministic_result_order ~fail_mode ~concolic ~solver ~profile
~model_output_format ~entry_point : unit Result.t =
let includes = Cmd_utils.c_files_location @ includes in
let* modul = compile ~entry_point ~includes ~opt_lvl debug files in
let files = [ modul ] in
(if concolic then Cmd_conc.cmd else Cmd_sym.cmd)
~profiling ~debug ~unsafe ~rac:false ~srac:false ~optimize ~workers
~no_stop_at_failure ~no_value ~no_assert_failure_expression_printing
~deterministic_result_order ~fail_mode ~workspace:(Fpath.v "owi-out")
~solver ~files ~profile ~model_output_format ~entry_point