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
|
# Copyright 2008, 2009, 2010 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 ![target_info exists gdb,can_reverse] {
return
}
set testfile "until-reverse"
set srcfile ${testfile}.c
set srcfile1 ur1.c
if { [prepare_for_testing $testfile.exp $testfile {until-reverse.c ur1.c} ] } {
return -1
}
set bp_location1 [gdb_get_line_number "set breakpoint 1 here"]
set bp_location7 [gdb_get_line_number "set breakpoint 7 here"]
set bp_location9 [gdb_get_line_number "set breakpoint 9 here" "$srcfile1"]
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 [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.
}
# 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 "advance factorial" \
"factorial .value=6..*$srcfile:$bp_location7.*" \
"advance to factorial"
# 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}:$bp_location19.*" \
"until factorial, recursive function"
# Finish out to main scope
#
gdb_test "finish" \
" in main .*$srcfile:$bp_location1.*" \
"finish to main"
# Advance to a function called by main (marker2)
#
gdb_test "advance marker2" \
"marker2 .a=43.*$srcfile1:$bp_location9.*" \
"advance to marker2"
# Now issue an until with another function, not called by the current
# frame, as argument. This should not work, i.e. the program should
# stop at main, the caller, where we put the 'guard' breakpoint.
#
set test_msg "until func, not called by current frame"
gdb_test_multiple "until marker3" "$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
# FIXME: command needs to acknowledge, so we can test if it succeeded.
gdb_test "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.*$srcfile1:$bp_location9.*" \
"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"
|
