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
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
|
# Copyright 1998, 1999, 2007 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/>. */
# Please email any bugs, comments, and/or additions to this file to:
# bug-gdb@prep.ai.mit.edu
if $tracelevel then {
strace $tracelevel
}
set prms_id 0
set bug_id 0
clear_xfail "*-*-*"
set testfile "jump"
set srcfile ${testfile}.c
set binfile ${objdir}/${subdir}/${testfile}
# Build the test case
if { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug nowarnings}] != "" } {
untested jump.exp
return -1
}
# Start with a fresh gdb
gdb_exit
gdb_start
gdb_reinitialize_dir $srcdir/$subdir
gdb_load ${binfile}
if ![runto_main] then {
perror "Couldn't run to main"
return -1
}
# Set a breakpoint on the statement that we're about to jump to.
# The statement doesn't contain a function call.
#
send_gdb "break 22\n"
set bp_on_non_call 0
gdb_expect {
-re "\[Bb\]reakpoint (\[0-9\]*) at 0x\[0-9a-fA-F\]*: file .*${srcfile}, line 22.*$gdb_prompt $"\
{set bp_on_non_call $expect_out(1,string)
pass "break before jump to non-call"}
-re "$gdb_prompt $"\
{fail "break before jump to non-call"}
timeout {fail "(timeout) break before jump to non-call"}
}
# Can we jump to the statement? Do we stop there?
#
send_gdb "jump 22\n"
gdb_expect {
-re "Breakpoint \[0-9\]*, .*${srcfile}:22.*$gdb_prompt $"\
{pass "jump to non-call"}
-re "$gdb_prompt $"\
{fail "jump to non-call"}
timeout {fail "(timeout) jump to non-call"}
}
# Set a breakpoint on the statement that we're about to jump to.
# The statement does contain a function call.
#
send_gdb "break 21\n"
set bp_on_call 0
gdb_expect {
-re "\[Bb\]reakpoint (\[0-9\]*) at 0x\[0-9a-fA-F\]*: file .*${srcfile}, line 21.*$gdb_prompt $"\
{set bp_on_call $expect_out(1,string)
pass "break before jump to call"}
-re "$gdb_prompt $"\
{fail "break before jump to call"}
timeout {fail "(timeout) break before jump to call"}
}
# Can we jump to the statement? Do we stop there?
#
send_gdb "jump 21\n"
gdb_expect {
-re "Breakpoint \[0-9\]*, .*${srcfile}:21.*$gdb_prompt $"\
{pass "jump to call"}
-re "$gdb_prompt $"\
{fail "jump to call"}
timeout {fail "(timeout) jump to call"}
}
# If we disable the breakpoint at the function call, and then
# if we jump to that statement, do we not stop there, but at
# the following breakpoint?
#
send_gdb "disable $bp_on_call\n"
gdb_expect {
-re "$gdb_prompt $"\
{pass "disable breakpoint on call"}
timeout {fail "(timeout) disable breakpoint on call"}
}
send_gdb "jump 21\n"
gdb_expect {
-re "Breakpoint \[0-9\]*, .*${srcfile}:22.*$gdb_prompt $"\
{pass "jump to call with disabled breakpoint"}
-re "$gdb_prompt $"\
{fail "jump to call with disabled breakpoint"}
timeout {fail "(timeout) jump to call with disabled breakpoint"}
}
# Verify that GDB responds gracefully to the "jump" command without
# an argument.
#
send_gdb "jump\n"
gdb_expect {
-re "Argument required .starting address..*$gdb_prompt $"\
{pass "jump without argument disallowed"}
-re "$gdb_prompt $"\
{fail "jump without argument disallowed"}
timeout {fail "(timeout) jump without argument disallowed"}
}
# Verify that GDB responds gracefully to the "jump" command with
# trailing junk.
#
send_gdb "jump 21 100\n"
gdb_expect {
-re "Junk at end of line specification: 100.*$gdb_prompt $"\
{pass "jump with trailing argument junk"}
-re "$gdb_prompt $"\
{fail "jump with trailing argument junk"}
timeout {fail "(timeout) jump with trailing argument junk"}
}
# Verify that GDB responds gracefully to a request to jump out of
# the current function. (Note that this will very likely cause the
# inferior to die. Be prepared to rerun the inferior, if further
# testing is desired.)
#
# Try it both ways: confirming and not confirming the jump.
#
send_gdb "jump 12\n"
gdb_expect {
-re "Line 12 is not in `main'. Jump anyway.*y or n. $"\
{send_gdb "n\n"
gdb_expect {
-re "Not confirmed.*$gdb_prompt $"\
{pass "aborted jump out of current function"}
-re "$gdb_prompt $"\
{fail "aborted jump out of current function"}
timeout {fail "(timeout) aborted jump out of current function"}
}
}
-re "$gdb_prompt $"\
{fail "aborted jump out of current function"}
timeout {fail "(timeout) aborted jump out of current function"}
}
send_gdb "jump 12\n"
gdb_expect {
-re "Line 12 is not in `main'. Jump anyway.*y or n. $"\
{send_gdb "y\n"
gdb_expect {
-re "Continuing at.*$gdb_prompt $"\
{pass "jump out of current function"}
-re "$gdb_prompt $"\
{fail "jump out of current function"}
timeout {fail "(timeout) jump out of current function"}
}
}
-re "$gdb_prompt $"\
{fail "jump out of current function"}
timeout {fail "(timeout) jump out of current function"}
}
gdb_exit
return 0
|