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
|
# Copyright 2008-2023 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 'until' and
# 'advance' in reverse debugging.
if ![supports_reverse] {
return
}
standard_testfile .c ur1.c
if { [prepare_for_testing "failed to prepare" $testfile \
[list $srcfile $srcfile2]] } {
return -1
}
set bp_location1 [gdb_get_line_number "set breakpoint 1 here"]
set bp_location7 [gdb_get_line_number "set breakpoint 7 here"]
set bp_location8 [gdb_get_line_number "set breakpoint 8 here" "$srcfile2"]
set bp_location19 [gdb_get_line_number "set breakpoint 19 here"]
set bp_location20 [gdb_get_line_number "set breakpoint 20 here"]
set bp_location21 [gdb_get_line_number "set breakpoint 21 here"]
runto_main
if [supports_process_record] {
# Activate process record/replay
gdb_test_no_output "record" "turn on process record"
}
# Verify that plain vanilla "until <location>" works.
#
gdb_test "until $bp_location1" \
"main .* at .*:$bp_location1.*" \
"until line number"
# Advance up to factorial, outer invocation
#
gdb_test_multiple "advance factorial" "" {
-wrap -re "factorial .value=6..*$srcfile:$bp_location7.*" {
pass $gdb_test_name
}
-wrap -re "Process record does not support instruction 0xfae64 at.*" {
kfail "gdb/25038" $gdb_test_name
return -1
}
}
# At this point, 'until' should continue the inferior up to when all the
# inner invocations of factorial() are completed and we are back at this
# frame.
#
gdb_test "until $bp_location19" \
"factorial .value=720.*${srcfile}:$bp_location19.*" \
"until factorial, recursive function"
# Finish out to main scope
#
gdb_test "finish" \
"main .*$srcfile:.*" \
"finish to main"
# Advance to a function called by main (marker2)
#
gdb_test "advance marker2" \
"marker2 .a=43.*$srcfile2:$bp_location8.*" \
"advance to marker2"
# Now issue an until with another function, not called by the current
# frame, as argument. This should not work, i.e. the program should
# stop at main, the caller, where we put the 'guard' breakpoint.
#
set test_msg "until func, not called by current frame"
gdb_test_multiple "until marker3" "$test_msg" {
-re "main .*at .*${srcfile}:$bp_location20.*$gdb_prompt $" {
pass "$test_msg"
}
-re "main .*at .*${srcfile}:$bp_location21.*$gdb_prompt $" {
pass "$test_msg"
}
}
###
###
###
# Set reverse execution direction
gdb_test_no_output "set exec-dir reverse" "set reverse execution"
#
# We should now be at main, after the return from marker2.
# "Advance" backward into marker2.
#
gdb_test "advance marker2" \
"marker2 .a=43.*$srcfile2:$bp_location8.*" \
"reverse-advance to marker2"
# Finish out to main scope (backward)
gdb_test "finish" \
" in main .*$srcfile:$bp_location20.*" \
"reverse-finish from marker2"
# Advance backward to last line of factorial (outer invocation)
gdb_test "advance $bp_location19" \
"factorial .value=720.*${srcfile}:$bp_location19.*" \
"reverse-advance to final return of factorial"
# Now do "until" across the recursive calls,
# ending up in the same frame where we are now.
gdb_test "until $bp_location7" \
"factorial .value=6..*$srcfile:$bp_location7.*" \
"reverse-until to entry of factorial"
|
