1# Copyright 2008-2020 Free Software Foundation, Inc.
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 'until' and
17# 'advance' in reverse debugging.
18
19if ![supports_reverse] {
20    return
21}
22
23standard_testfile .c ur1.c
24
25if { [prepare_for_testing "failed to prepare" $testfile \
26	  [list $srcfile $srcfile2]] } {
27    return -1
28}
29
30set bp_location1  [gdb_get_line_number "set breakpoint 1 here"]
31set bp_location7  [gdb_get_line_number "set breakpoint 7 here"]
32set bp_location8  [gdb_get_line_number "set breakpoint 8 here" "$srcfile2"]
33set bp_location19 [gdb_get_line_number "set breakpoint 19 here"]
34set bp_location20 [gdb_get_line_number "set breakpoint 20 here"]
35set bp_location21 [gdb_get_line_number "set breakpoint 21 here"]
36
37runto main
38
39if [supports_process_record] {
40    # Activate process record/replay
41    gdb_test_no_output "record" "turn on process record"
42}
43
44# Verify that plain vanilla "until <location>" works.
45#
46gdb_test "until $bp_location1" \
47    "main .* at .*:$bp_location1.*" \
48    "until line number"
49
50# Advance up to factorial, outer invocation
51#
52gdb_test_multiple "advance factorial" "" {
53    -wrap -re "factorial .value=6..*$srcfile:$bp_location7.*" {
54	pass $gdb_test_name
55    }
56    -wrap -re "Process record does not support instruction 0xfae64 at.*" {
57	kfail "gdb/25038" $gdb_test_name
58	return -1
59    }
60}
61
62# At this point, 'until' should continue the inferior up to when all the
63# inner invocations of factorial() are completed and we are back at this
64# frame.
65#
66gdb_test "until $bp_location19" \
67    "factorial .value=720.*${srcfile}:$bp_location19.*" \
68    "until factorial, recursive function"
69
70# Finish out to main scope
71#
72gdb_test "finish" \
73    "main .*$srcfile:.*" \
74    "finish to main"
75
76# Advance to a function called by main (marker2)
77#
78gdb_test "advance marker2" \
79    "marker2 .a=43.*$srcfile2:$bp_location8.*" \
80    "advance to marker2"
81
82# Now issue an until with another function, not called by the current
83# frame, as argument. This should not work, i.e. the program should
84# stop at main, the caller, where we put the 'guard' breakpoint.
85#
86set test_msg "until func, not called by current frame"
87gdb_test_multiple "until marker3" "$test_msg" {
88    -re "main .*at .*${srcfile}:$bp_location20.*$gdb_prompt $" {
89	pass "$test_msg"
90    }
91    -re "main .*at .*${srcfile}:$bp_location21.*$gdb_prompt $" {
92	pass "$test_msg"
93    }
94}
95
96###
97###
98###
99
100# Set reverse execution direction
101
102gdb_test_no_output "set exec-dir reverse" "set reverse execution"
103
104#
105# We should now be at main, after the return from marker2.
106# "Advance" backward into marker2.
107#
108
109gdb_test "advance marker2" \
110    "marker2 .a=43.*$srcfile2:$bp_location8.*" \
111    "reverse-advance to marker2"
112
113# Finish out to main scope (backward)
114
115gdb_test "finish" \
116    " in main .*$srcfile:$bp_location20.*" \
117    "reverse-finish from marker2"
118
119# Advance backward to last line of factorial (outer invocation)
120
121gdb_test "advance $bp_location19" \
122    "factorial .value=720.*${srcfile}:$bp_location19.*" \
123    "reverse-advance to final return of factorial"
124
125# Now do "until" across the recursive calls,
126# ending up in the same frame where we are now.
127
128gdb_test "until $bp_location7" \
129    "factorial .value=6..*$srcfile:$bp_location7.*" \
130    "reverse-until to entry of factorial"
131