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
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
|
(**************************************************************************)
(* Sail *)
(* *)
(* Copyright (c) 2013-2017 *)
(* Kathyrn Gray *)
(* Shaked Flur *)
(* Stephen Kell *)
(* Gabriel Kerneis *)
(* Robert Norton-Wright *)
(* Christopher Pulte *)
(* Peter Sewell *)
(* Alasdair Armstrong *)
(* Brian Campbell *)
(* Thomas Bauereiss *)
(* Anthony Fox *)
(* Jon French *)
(* Dominic Mulligan *)
(* Stephen Kell *)
(* Mark Wassell *)
(* *)
(* All rights reserved. *)
(* *)
(* This software was developed by the University of Cambridge Computer *)
(* Laboratory as part of the Rigorous Engineering of Mainstream Systems *)
(* (REMS) project, funded by EPSRC grant EP/K008528/1. *)
(* *)
(* Redistribution and use in source and binary forms, with or without *)
(* modification, are permitted provided that the following conditions *)
(* are met: *)
(* 1. Redistributions of source code must retain the above copyright *)
(* notice, this list of conditions and the following disclaimer. *)
(* 2. Redistributions in binary form must reproduce the above copyright *)
(* notice, this list of conditions and the following disclaimer in *)
(* the documentation and/or other materials provided with the *)
(* distribution. *)
(* *)
(* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' *)
(* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED *)
(* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A *)
(* PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR *)
(* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, *)
(* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT *)
(* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF *)
(* USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND *)
(* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, *)
(* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT *)
(* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF *)
(* SUCH DAMAGE. *)
(**************************************************************************)
open Printf
type gdb_session = (in_channel * out_channel * in_channel) option
let gdb_command = ref "gdb-multiarch"
let gdb_token_counter = ref 0
let gdb_token () =
incr gdb_token_counter;
!gdb_token_counter
let not_connected = Reporting.err_general Parse_ast.Unknown "Not connected to gdb"
let rec wait_for' regexp stdout =
let line = input_line stdout in
if Str.string_match regexp line 0 then (
print_endline line
) else (
print_endline Util.(line |> dim |> clear);
wait_for' regexp stdout
)
let wait_for token stdout =
let regexp = Str.regexp (sprintf "^%i\\^" token) in
wait_for' regexp stdout
let wait_for_gdb stdout =
let regexp = Str.regexp_string "(gdb)" in
wait_for' regexp stdout
let send_sync session cmd =
match session with
| None -> raise not_connected
| Some (stdout, stdin, _) ->
let token = gdb_token () in
let cmd =sprintf "%i-%s\n" token cmd in
print_string Util.(cmd |> yellow |> clear);
flush stdin;
output_string stdin cmd;
flush stdin;
wait_for token stdout
let () =
let open Interactive in
let session = ref None in
let gdb_start arg =
let stdout, stdin, stderr = Unix.open_process_full (sprintf "%s --interpreter=mi" !gdb_command) [||] in
session := Some (stdout, stdin, stderr);
wait_for_gdb stdout;
if arg = "" then () else send_sync !session arg
in
let gdb_send arg =
if arg = "" then () else send_sync !session arg
in
register_command
~name:"gdb_command"
~help:"Use specified gdb. Default is gdb-multiarch. This is the \
correct version on Ubuntu, but other Linux distros and \
operating systems may differ in how they package gdb with \
support for multiple architectures."
(ArgString ("gdb", fun arg -> Action (fun () -> gdb_command := arg)));
register_command
~name:"gdb_start"
~help:"Start a child GDB process sending :0 as the first command, waiting for it to complete"
(ArgString ("command", fun cmd -> Action (fun () -> gdb_start cmd)));
(ArgString ("port", fun port -> Action (fun () ->
if port = "" then
gdb_start "target-select remote localhost:1234"
else
gdb_start ("target-select remote localhost:" ^ port)
))) |> register_command
~name:"gdb_qemu"
~help:"Connect GDB to a remote QEMU target on localhost port :0 (default is 1234, as per -s option for QEMU)";
register_command
~name:"gdb_send"
~help:"Send a GDB/MI command to a child GDB process and wait for it to complete"
(ArgString ("command", fun cmd -> Action (fun () -> gdb_send cmd)));
|
