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
135
136
137
|
# Copyright 2008, 2009 Free Software Foundation, Inc.
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
# This file is part of the GDB testsuite. It tests stepping over
# consecutive instructions in a process record logfile.
# This test suitable only for process record-replay
if ![target_info exists gdb,use_precord] {
return
}
set testfile "consecutive-reverse"
set srcfile ${testfile}.c
if { [prepare_for_testing $testfile.exp $testfile $srcfile] } {
return -1
}
runto main
if [target_info exists gdb,use_precord] {
# Activate process record/replay
gdb_test "record" "" "Turn on process record"
# FIXME: command ought to acknowledge, so we can test if it succeeded.
}
set end_location [gdb_get_line_number "end of main" ]
gdb_test "break $end_location" \
"Breakpoint $decimal at .*/$srcfile, line $end_location\." \
"BP at end of main"
gdb_test "continue" "Breakpoint .* end of main .*" "run to end of main"
gdb_test "record save consecutive.precsave" \
"Saved core file consecutive.precsave with execution log\." \
"save process recfile"
gdb_test "kill" "" "Kill process, prepare to debug log file" \
"Kill the program being debugged\\? \\(y or n\\) " "y"
gdb_test "record restore consecutive.precsave" \
"Program terminated with signal .*" \
"reload precord save file"
gdb_breakpoint foo
gdb_test "continue" "Breakpoint $decimal, foo .*" \
"continue to breakpoint in foo"
set foo1_addr 0
set foo2_addr 0
set stop_addr 0
send_gdb "x /2i \$pc\n"
gdb_expect {
global hex
global foo1_addr
global foo2_addr
global gdb_prompt
-re "=> ($hex).*\[\r\n\]+ ($hex).*$gdb_prompt $" {
set foo1_addr $expect_out(1,string)
set foo2_addr $expect_out(2,string)
pass "get breakpoint address for foo"
}
-re ".*$gdb_prompt $" {
fail "get breakpoint address for foo"
return 0;
}
timeout {
fail "get breakpoint address for foo (timeout)"
return 0;
}
}
gdb_test "break \*$foo2_addr" "Breakpoint $decimal at $foo2_addr: file .*" \
"set bp, 2nd instr"
set testmsg "stopped at bp, 2nd instr"
gdb_test_multiple "step" $testmsg {
-re "Breakpoint $decimal, ($hex) in foo.*$gdb_prompt $" {
set stop_addr $expect_out(1,string)
if [eval expr "$foo2_addr == $stop_addr"] then {
pass "stopped at bp, 2nd instr"
} else {
fail "stopped at bp, 2nd instr (wrong address)"
}
}
}
###
###
###
# Set reverse execution direction
# FIXME: command needs to acknowledge, so we can test if it succeeded.
gdb_test "set exec-dir reverse" "" "set reverse execution"
# Now step backward and hope to hit the first breakpoint.
set test_msg "stopped at bp in reverse, 1st instr"
gdb_test_multiple "step" "$test_msg" {
-re "Breakpoint $decimal, ($hex) in foo.*$gdb_prompt $" {
set stop_addr $expect_out(1,string)
if [eval expr "$foo1_addr == $stop_addr"] then {
pass "$test_msg"
} else {
fail "$test_msg (wrong address)"
}
}
-re "Breakpoint $decimal, foo.*$gdb_prompt $" {
send_gdb "print \$pc == $foo1_addr\n"
gdb_expect {
-re "$decimal = 1\[\r\n\]+$gdb_prompt $" {
pass "$test_msg"
}
-re "$decimal = 0\[\r\n\]+$gdb_prompt $" {
fail "$test_msg (wrong address)"
}
}
}
-re ".*$gdb_prompt $" {
fail "$test_msg"
}
}
|