xref: /netbsd-src/external/gpl3/gdb.old/dist/gdb/testsuite/gdb.base/async.exp (revision 06dfa8449cb5e76c0044ec0f3badf7d5180af0f5)
1#   Copyright 1999-2020 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
17#
18# test running programs
19#
20
21standard_testfile
22
23if {[prepare_for_testing "failed to prepare" $testfile $srcfile debug]} {
24    return -1
25}
26
27#
28# set it up at a breakpoint so we can play with it
29#
30if ![runto_main] then {
31    perror "couldn't run to breakpoint"
32    continue
33}
34
35gdb_test "break baz" ".*" ""
36
37#
38# Make sure we get a 'completed' message when the target is done.
39#
40gdb_test_no_output "set exec-done-display on"
41
42# Test a background execution command.  COMMAND is the command to
43# send.  BEFORE_PROMPT is the pattern expected before the GDB prompt
44# is output.  AFTER_PROMPT is the pattern expected after the prompt
45# and before "completed".  MESSAGE is optional, and is the pass/fail
46# message to br printed.  If omitted, then the command string is used
47# as message.
48proc test_background {command before_prompt after_prompt {message ""}} {
49    global gdb_prompt
50
51    if {$message eq ""} {
52        set message $command
53    }
54
55    send_gdb "$command\n"
56    gdb_expect {
57	-re "^$command\r\n${before_prompt}${gdb_prompt}${after_prompt}completed\.\r\n" {
58	    pass "$message"
59	    return 0
60	}
61	-re "$gdb_prompt.*completed\.\r\n" {
62	    fail "$message"
63	}
64	-re ".*Asynchronous execution not supported on this target\..*" {
65	    unsupported "asynchronous execution not supported: $message"
66	}
67	timeout  {
68	    fail "$message (timeout)"
69	}
70    }
71    return -1
72}
73
74if {[test_background "next&" "" ".*z = 9.*"] < 0} {
75    return
76}
77
78test_background "step&" "" ".*y = foo \\(\\).*" "step& #1"
79
80test_background "step&" "" " foo \\(\\) at .*async.c.*x = 5.*" "step& #2"
81
82set is_stmt [is_stmt_addresses $srcfile]
83
84# Get the next instruction address.
85set next_insn_addr ""
86set test "get next insn"
87gdb_test_multiple {x/2i $pc} "$test" {
88    -re "=> $hex .* 0x(\[0-9a-f\]*) .*$gdb_prompt $" {
89	set next_insn_addr $expect_out(1,string)
90	pass $gdb_test_name
91    }
92}
93set next_insn_is_stmt [hex_in_list $next_insn_addr $is_stmt]
94
95if { $next_insn_is_stmt } {
96    set prefix ""
97} else {
98    # The current PC is printed out.
99    set prefix "0x0*$next_insn_addr.*"
100}
101test_background "stepi&" "" ".*$prefix x = 5; .*"
102
103# Get the next instruction address.
104set next_insn_addr ""
105set test "get next insn, 2nd"
106gdb_test_multiple {x/2i $pc} "$test" {
107    -re "=> $hex .* 0x(\[0-9a-f\]*) .*$gdb_prompt $" {
108	set next_insn_addr $expect_out(1,string)
109	pass $gdb_test_name
110    }
111}
112set next_insn_is_stmt \
113    [expr [lsearch -regexp $is_stmt 0x0*$next_insn_addr] != -1]
114
115if { $next_insn_is_stmt } {
116    set prefix ""
117} else {
118    # The current PC is printed out.
119    set prefix "0x0*$next_insn_addr.*"
120}
121# We nexti into the same source line.
122test_background "nexti&" "" ".*$prefix x = 5; .*"
123
124if { $next_insn_is_stmt } {
125    set prefix ""
126} else {
127    # PC is in the middle of a source line, so the PC address is displayed.
128    set prefix "0x0*$next_insn_addr in "
129}
130test_background "finish&" \
131    "Run till exit from #0  ${prefix}foo \\(\\) at.*async.c.*\r\n" \
132    ".*$hex in main \\(\\) at.*async.c.*y = foo \\(\\).*Value returned is.*= 8.*"
133
134set jump_here [gdb_get_line_number "jump here"]
135test_background "jump $jump_here&" \
136    ".*Continuing at $hex.*" \
137    ".*Breakpoint 2, baz \\(\\) at.*async.c.*return 5.*" \
138    "jump&"
139
140set until_here [gdb_get_line_number "until here"]
141test_background "until $until_here&" \
142    ".*" \
143    ".*$hex in main \\(\\) at.*async.c.*y = baz \\(\\).*" \
144    "until&"
145
146gdb_test_no_output "set exec-done-display off"
147