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4c38e0a4 | 1 | # Copyright 2008, 2009, 2010 Free Software Foundation, Inc. |
28d41a99 MS |
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 | # This file is part of the GDB testsuite. It tests stepping over | |
17 | # consecutive instructions in reverse. | |
18 | ||
19 | if ![target_info exists gdb,can_reverse] { | |
20 | return | |
21 | } | |
22 | ||
23 | set testfile "consecutive-reverse" | |
24 | set srcfile ${testfile}.c | |
25 | ||
26 | if { [prepare_for_testing $testfile.exp $testfile $srcfile] } { | |
27 | return -1 | |
28 | } | |
29 | ||
30 | runto main | |
31 | ||
32 | if [target_info exists gdb,use_precord] { | |
33 | # Activate process record/replay | |
34 | gdb_test "record" "" "Turn on process record" | |
35 | # FIXME: command ought to acknowledge, so we can test if it succeeded. | |
36 | } | |
37 | ||
38 | gdb_breakpoint foo | |
39 | gdb_test "continue" "Breakpoint $decimal, foo .*" \ | |
40 | "continue to breakpoint in foo" | |
41 | ||
42 | set foo1_addr 0 | |
43 | set foo2_addr 0 | |
44 | set stop_addr 0 | |
45 | ||
46 | send_gdb "x /2i \$pc\n" | |
47 | gdb_expect { | |
48 | global hex | |
49 | global foo1_addr | |
50 | global foo2_addr | |
51 | global gdb_prompt | |
52 | ||
4cf866a3 | 53 | -re "=> ($hex).*\[\r\n\]+ ($hex).*$gdb_prompt $" { |
28d41a99 MS |
54 | set foo1_addr $expect_out(1,string) |
55 | set foo2_addr $expect_out(2,string) | |
56 | pass "get breakpoint address for foo" | |
57 | } | |
58 | -re ".*$gdb_prompt $" { | |
59 | fail "get breakpoint address for foo" | |
60 | return 0; | |
61 | } | |
62 | timeout { | |
63 | fail "get breakpoint address for foo (timeout)" | |
64 | return 0; | |
65 | } | |
66 | } | |
67 | ||
68 | gdb_test "break \*$foo2_addr" "Breakpoint $decimal at $foo2_addr: file .*" \ | |
69 | "set bp, 2nd instr" | |
70 | ||
4cf866a3 MS |
71 | set testmsg "stopped at bp, 2nd instr" |
72 | gdb_test_multiple "step" $testmsg { | |
28d41a99 MS |
73 | -re "Breakpoint $decimal, ($hex) in foo.*$gdb_prompt $" { |
74 | set stop_addr $expect_out(1,string) | |
75 | if [eval expr "$foo2_addr == $stop_addr"] then { | |
76 | pass "stopped at bp, 2nd instr" | |
77 | } else { | |
78 | fail "stopped at bp, 2nd instr (wrong address)" | |
79 | } | |
80 | } | |
28d41a99 MS |
81 | } |
82 | ||
83 | ### | |
84 | ### | |
85 | ### | |
86 | ||
87 | # Set reverse execution direction | |
88 | # FIXME: command needs to acknowledge, so we can test if it succeeded. | |
89 | ||
90 | gdb_test "set exec-dir reverse" "" "set reverse execution" | |
91 | ||
92 | # Now step backward and hope to hit the first breakpoint. | |
93 | ||
94 | set test_msg "stopped at bp in reverse, 1st instr" | |
95 | gdb_test_multiple "step" "$test_msg" { | |
96 | -re "Breakpoint $decimal, ($hex) in foo.*$gdb_prompt $" { | |
97 | set stop_addr $expect_out(1,string) | |
98 | if [eval expr "$foo1_addr == $stop_addr"] then { | |
99 | pass "$test_msg" | |
100 | } else { | |
101 | fail "$test_msg (wrong address)" | |
102 | } | |
103 | } | |
104 | -re "Breakpoint $decimal, foo.*$gdb_prompt $" { | |
105 | send_gdb "print \$pc == $foo1_addr\n" | |
106 | gdb_expect { | |
107 | -re "$decimal = 1\[\r\n\]+$gdb_prompt $" { | |
108 | pass "$test_msg" | |
109 | } | |
110 | -re "$decimal = 0\[\r\n\]+$gdb_prompt $" { | |
111 | fail "$test_msg (wrong address)" | |
112 | } | |
113 | } | |
114 | } | |
115 | -re ".*$gdb_prompt $" { | |
116 | fail "$test_msg" | |
117 | } | |
118 | } |