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
|
# Copyright 2008 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/>.
# Please email any bugs, comments, and/or additions to this file to:
# bug-gdb@prep.ai.mit.edu
# Based on a file written by Michael Snyder. (msnyder@redhat.com)
#
# Test breakpoints at consecutive instruction addresses.
#
set testfile "consecutive-reverse"
set srcfile ${testfile}.c
set binfile ${objdir}/${subdir}/${testfile}
if { [prepare_for_testing $testfile.exp $testfile $srcfile] } {
return -1
}
runto main
# FIXME 'record' command should say something so we know it's working.
gdb_test "record" "" "start recording"
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"
send_gdb "step\n"
gdb_expect {
-re "Breakpoint $decimal, ($hex) in foo.*$gdb_prompt $" {
set stop_addr $expect_out(1,string)
if [eval expr "$foo2_addr == $stop_addr"] then {
pass "stopped at bp, 2nd instr"
} else {
fail "stopped at bp, 2nd instr (wrong address)"
}
}
-re ".*$gdb_prompt $" {
fail "stopped at bp, 2nd instr"
}
timeout {
fail "stopped at bp, 2nd instr (timeout)"
}
}
###
###
###
# Set reverse execution direction
# FIXME: command needs to acknowledge, so we can test if it succeeded.
gdb_test "set exec-dir reverse" "" "set reverse execution"
# Now step backward and hope to hit the first breakpoint.
set test_msg "stopped at bp in reverse, 1st instr"
gdb_test_multiple "step" "$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"
}
}
|
