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
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
|
# Copyright (C) 2012-2019 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/>.
standard_testfile
if { [prepare_for_testing "failed to prepare" $testfile $srcfile] } {
return -1
}
set bp_location1 [gdb_get_line_number "set breakpoint 1 here"]
set dp_location1 [gdb_get_line_number "set dprintf 1 here"]
if ![runto main] {
return -1
}
gdb_test "dprintf" "Format string required"
gdb_test "dprintf foo" "Format string required"
gdb_test "dprintf 29" "Format string required"
delete_breakpoints
gdb_breakpoint "main"
gdb_test "dprintf foo,\"At foo entry\\n\"" \
"Dprintf .*"
gdb_test "ignore \$bpnum 1" ".*Will ignore next crossing of breakpoint.*"
gdb_test "dprintf $dp_location1,\"arg=%d, g=%d\\n\", arg, g" \
"Dprintf .*"
gdb_test_sequence "info breakpoints" "dprintf info 1" {
"\[\r\n\]Num Type Disp Enb Address +What"
"\[\r\n\]2 breakpoint"
"\[\r\n\]3 dprintf"
"\[\r\n\] printf \"At foo entry\\\\n\""
"\[\r\n\]4 dprintf"
"\[\r\n\] printf \"arg=%d, g=%d\\\\n\", arg, g"
}
gdb_test "break $bp_location1" \
"Breakpoint .*"
gdb_run_cmd
gdb_test "" "Breakpoint"
gdb_test "continue" "arg=1234, g=1234.*" "1st dprintf, gdb"
gdb_test "continue" "At foo entry.*arg=1235, g=2222.*" "2nd dprintf, gdb"
# Restart GDB and set set up for testing.
proc restart {} {
global binfile
global bp_location1 dp_location1
clean_restart $binfile
if ![runto main] {
return -1
}
gdb_test "dprintf foo,\"At foo entry\\n\"" \
"Dprintf .*"
gdb_test "dprintf $dp_location1,\"arg=%d, g=%d\\n\", arg, g" \
"Dprintf .*"
gdb_test "break $bp_location1" "Breakpoint .*"
}
# Test continuing across a dprintf. PATTERN matches the output
# generated by the dprintf. MSG is used as test message.
proc test_dprintf {pattern msg} {
gdb_test_stdio "continue" $pattern "" "$msg"
}
# Test the "call" style.
proc test_call {} {
global binfile
global bp_location1
# Now switch styles and rerun; in the absence of redirection the
# output should be the same.
with_test_prefix "printf" {
restart
gdb_test_no_output "set dprintf-style call" "set dprintf style to call"
test_dprintf "At foo entry.*arg=1234, g=1234\r\n" "1st dprintf"
test_dprintf "At foo entry.*arg=1235, g=2222\r\n" "2nd dprintf"
}
with_test_prefix "fprintf" {
restart
gdb_test_no_output "set dprintf-function fprintf" "set dprintf function"
gdb_test_no_output "set dprintf-channel stderr" "set dprintf channel"
gdb_test_no_output "set dprintf-style call" "set dprintf style to call"
test_dprintf "At foo entry.*arg=1234, g=1234\r\n" "1st dprintf"
test_dprintf "At foo entry.*arg=1235, g=2222\r\n" "2nd dprintf"
}
}
# The "call" style depends on having I/O functions available.
if ![target_info exists gdb,noinferiorio] {
with_test_prefix "call" {
test_call
}
}
# Test the "agent" style.
proc test_agent {} {
global binfile
global gdb_prompt
restart
set target_can_dprintf 1
set msg "set dprintf style to agent"
gdb_test_multiple "set dprintf-style agent" $msg {
-re "warning: Target cannot run dprintf commands.*\r\n$gdb_prompt $" {
# The target reports that it doesn't support target side
# commands at all.
set target_can_dprintf 0
unsupported "$msg"
}
-re ".*$gdb_prompt $" {
pass "$msg"
}
}
if !$target_can_dprintf {
return
}
# Even if the the target reports that it does support target side
# commands, we can only tell that it supports them in combination
# with a particular breakpoint type (Z0, Z1, etc.) when we try to
# insert the breakpoint. When "set breakpoint always-inserted is
# off", that'll be on next continue.
set msg "1st dprintf"
gdb_test_multiple "continue" $msg {
-re "Warning:.*Target doesn't support breakpoints that have target side commands.*\r\n$gdb_prompt $" {
set target_can_dprintf 0
unsupported "$msg"
}
-re "Breakpoint \[0-9\]+, foo .*$gdb_prompt $" {
pass "$msg"
}
}
if $target_can_dprintf {
gdb_test "continue" "Breakpoint \[0-9\]+, foo .*" "2nd dprintf"
gdb_test_sequence "info breakpoints" "dprintf info" {
"\[\r\n\]Num Type Disp Enb Address +What"
"\[\r\n\]1 breakpoint"
"\[\r\n\]\tbreakpoint already hit 1 time"
"\[\r\n\]2 dprintf"
"\[\r\n\] agent-printf \"At foo entry\\\\n\""
"\[\r\n\]3 dprintf"
"\[\r\n\] agent-printf \"arg=%d, g=%d\\\\n\", arg, g"
"\[\r\n\]4 breakpoint"
"\[\r\n\]\tbreakpoint already hit 2 times"
}
}
}
with_test_prefix "agent" {
test_agent
}
gdb_test "set dprintf-style foobar" "Undefined item: \"foobar\"." \
"Set dprintf style to an unrecognized type"
# Test that force-disabling the BreakpointCommands RSP feature works
# as expected. dprintf relies on support for target-side breakpoint
# commands --- use it as proxy.
if [gdb_is_target_remote] {
gdb_test_no_output "set remote breakpoint-commands-packet off"
gdb_test "set dprintf-style agent" \
"warning: Target cannot run dprintf commands.*" \
"set dprintf-style agent, with feature disabled"
}
|
