xref: /netbsd-src/external/gpl3/gdb.old/dist/gdb/testsuite/lib/range-stepping-support.exp (revision 8b657b0747480f8989760d71343d6dd33f8d4cf9)
1# Copyright 2013-2023 Free Software Foundation, Inc.
2
3# This program is free software; you can redistribute it and/or modify
4# it under the terms of the GNU General Public License as published by
5# the Free Software Foundation; either version 3 of the License, or
6# (at your option) any later version.
7#
8# This program is distributed in the hope that it will be useful,
9# but WITHOUT ANY WARRANTY; without even the implied warranty of
10# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
11# GNU General Public License for more details.
12#
13# You should have received a copy of the GNU General Public License
14# along with this program.  If not, see <http://www.gnu.org/licenses/>.
15
16# Execute command CMD and check that GDB sends the expected number of
17# vCont;r packet.  Returns 0 if the test passes, otherwise returns 1.
18
19proc exec_cmd_expect_vCont_count { cmd exp_vCont_r } {
20    global gdb_prompt
21
22    gdb_test_no_output -nopass "set debug remote 1"
23
24    set test "${cmd}: vCont;r=${exp_vCont_r}"
25    set r_counter 0
26    set s_counter 0
27    set ret 1
28    set any {[^\r\n]*}
29    gdb_test_multiple $cmd $test {
30	-re "vCont;s${any}\r\n" {
31	    incr s_counter
32	    exp_continue
33	}
34	-re "vCont;r${any}\r\n" {
35	    incr r_counter
36	    exp_continue
37	}
38	-re "\r\n" {
39	    # Prevent overflowing the expect buffer.
40	    exp_continue
41	}
42	-re "$gdb_prompt $" {
43	    if { $r_counter == ${exp_vCont_r} } {
44		pass $test
45		set ret 0
46	    } else {
47		fail $test
48	    }
49	}
50    }
51
52    gdb_test_no_output -nopass "set debug remote 0"
53    return $ret
54}
55
56# Check whether range stepping is supported by the target.
57
58proc gdb_range_stepping_enabled { } {
59    global gdb_prompt
60
61    set command "set range-stepping on"
62    set message "probe range-stepping support"
63    gdb_test_multiple $command $message {
64        -re "Range stepping is not supported.*\r\n$gdb_prompt $" {
65	    pass $message
66	    return 0
67	}
68        -re "^$command\r\n$gdb_prompt $" {
69	    pass $message
70	    return 1
71	}
72    }
73
74    return 0
75}
76