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88b9d363 | 1 | # Copyright 2008-2022 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 | ||
d3895d7d | 19 | if ![supports_reverse] { |
28d41a99 MS |
20 | return |
21 | } | |
22 | ||
7686c074 | 23 | standard_testfile |
28d41a99 | 24 | |
5b362f04 | 25 | if { [prepare_for_testing "failed to prepare" $testfile $srcfile] } { |
28d41a99 MS |
26 | return -1 |
27 | } | |
28 | ||
50441f0f | 29 | runto_main |
28d41a99 | 30 | |
d3895d7d | 31 | if [supports_process_record] { |
28d41a99 | 32 | # Activate process record/replay |
9f058c10 | 33 | gdb_test_no_output "record" "turn on process record" |
28d41a99 MS |
34 | } |
35 | ||
24fe640b TV |
36 | set is_stmt [is_stmt_addresses $srcfile] |
37 | ||
28d41a99 MS |
38 | gdb_breakpoint foo |
39 | gdb_test "continue" "Breakpoint $decimal, foo .*" \ | |
40 | "continue to breakpoint in foo" | |
41 | ||
42 | set foo1_addr 0 | |
43 | set foo2_addr 0 | |
44 | set stop_addr 0 | |
45 | ||
ec9f1212 | 46 | gdb_test_multiple "x /2i \$pc" "get breakpoint address for foo" { |
28d41a99 MS |
47 | global hex |
48 | global foo1_addr | |
49 | global foo2_addr | |
50 | global gdb_prompt | |
51 | ||
4cf866a3 | 52 | -re "=> ($hex).*\[\r\n\]+ ($hex).*$gdb_prompt $" { |
28d41a99 MS |
53 | set foo1_addr $expect_out(1,string) |
54 | set foo2_addr $expect_out(2,string) | |
55 | pass "get breakpoint address for foo" | |
56 | } | |
28d41a99 MS |
57 | } |
58 | ||
59 | gdb_test "break \*$foo2_addr" "Breakpoint $decimal at $foo2_addr: file .*" \ | |
60 | "set bp, 2nd instr" | |
61 | ||
4cf866a3 MS |
62 | set testmsg "stopped at bp, 2nd instr" |
63 | gdb_test_multiple "step" $testmsg { | |
24fe640b | 64 | -re -wrap "Breakpoint $decimal, ($hex) in foo.*" { |
28d41a99 MS |
65 | set stop_addr $expect_out(1,string) |
66 | if [eval expr "$foo2_addr == $stop_addr"] then { | |
67 | pass "stopped at bp, 2nd instr" | |
68 | } else { | |
69 | fail "stopped at bp, 2nd instr (wrong address)" | |
70 | } | |
71 | } | |
24fe640b TV |
72 | -re -wrap "Breakpoint $decimal, foo.*" { |
73 | set stop_addr [get_valueof "/x" "\$pc" "" "value of pc"] | |
74 | set stop_addr_is_stmt [hex_in_list $stop_addr $is_stmt] | |
75 | if { ! $stop_addr_is_stmt } { | |
76 | fail "stopped at bp, 2nd instr (missing hex prefix)" | |
77 | } elseif [eval expr "$foo2_addr == $stop_addr"] then { | |
78 | pass "stopped at bp, 2nd instr" | |
79 | } else { | |
80 | fail "stopped at bp, 2nd instr (wrong address)" | |
81 | } | |
82 | } | |
28d41a99 MS |
83 | } |
84 | ||
85 | ### | |
86 | ### | |
87 | ### | |
88 | ||
89 | # Set reverse execution direction | |
28d41a99 | 90 | |
bcd2dc50 | 91 | gdb_test_no_output "set exec-dir reverse" "set reverse execution" |
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92 | |
93 | # Now step backward and hope to hit the first breakpoint. | |
94 | ||
95 | set test_msg "stopped at bp in reverse, 1st instr" | |
96 | gdb_test_multiple "step" "$test_msg" { | |
97 | -re "Breakpoint $decimal, ($hex) in foo.*$gdb_prompt $" { | |
98 | set stop_addr $expect_out(1,string) | |
99 | if [eval expr "$foo1_addr == $stop_addr"] then { | |
100 | pass "$test_msg" | |
101 | } else { | |
102 | fail "$test_msg (wrong address)" | |
103 | } | |
104 | } | |
105 | -re "Breakpoint $decimal, foo.*$gdb_prompt $" { | |
ec9f1212 MS |
106 | gdb_test "print \$pc == $foo1_addr" \ |
107 | "$decimal = 1" \ | |
108 | "$test_msg" | |
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109 | } |
110 | } |