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
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
|
# Copyright 2011-2012 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/>.
load_lib "trace-support.exp";
if {[skip_shlib_tests]} {
return 0
}
set testfile "strace"
set srcfile $testfile.c
set binfile $objdir/$subdir/$testfile
set executable $testfile
set libipa $objdir/../gdbserver/libinproctrace.so
set lib_opts debug
if [get_compiler_info ${binfile}] {
return -1
}
set additional_flags [list debug shlib=$libipa shlib_load "additional_flags=-lust -lurcu-bp" ]
if { [gdb_compile $srcdir/$subdir/$srcfile $binfile executable $additional_flags] != ""} {
untested "UST library or headers are not installed"
return -1
}
proc strace_info_marker { } { with_test_prefix "info_marker" {
global executable
global gdb_prompt
# Restart with a fresh gdb.
clean_restart $executable
if ![runto_main] {
fail "Can't run to main"
return -1
}
# List the markers in program. They should be disabled.
gdb_test "info static-tracepoint-markers" \
".*ust/bar\[\t \]+n\[\t \]+.*ust/bar2\[\t \]+n\[\t \]+.*"
# List all the thread. It is expected to get three threads without
# any errors.
gdb_test_multiple "info threads 3 2 1" "info threads" {
-re "3\[ \t\]+Thread .*2\[ \t\]+Thread .*1\[ \t\]+Thread .*${gdb_prompt} $" {
pass "info threads"
}
}
}}
proc strace_probe_marker { } { with_test_prefix "probe_marker" {
global executable
global expect_out
global gdb_prompt
global hex
# Restart with a fresh gdb.
clean_restart $executable
if ![runto_main] {
fail "Can't run to main"
return -1
}
gdb_test "strace -m ust/bar" "Static tracepoint \[0-9\]+ at ${hex}: file.*"
gdb_test "strace -m ust/bar2" "Static tracepoint \[0-9\]+ at ${hex}: file.*"
# Two trace markers should be enabled.
gdb_test "info static-tracepoint-markers" "ust/bar\[\t \]+y\[\t \]+$hex .*ust/bar2\[\t \]+y\[\t \]+$hex.*"
gdb_test "break end" "Breakpoint \[0-9\]+ at.*"
gdb_test_no_output "tstart"
gdb_test "continue" "Continuing\\.\[ \r\n\]+Breakpoint.*" "continue to end"
gdb_test_no_output "tstop"
gdb_test "tfind" "Found trace frame 0, tracepoint .*" "tfind frame 0"
gdb_test "tfind" "Found trace frame 1, tracepoint .*" "tfind frame 1"
gdb_test "tfind" "Target failed to find requested trace frame\\..*"
}}
proc strace_trace_on_same_addr { type } { with_test_prefix "trace_same_addr $type" {
global executable
global expect_out
global gdb_prompt
global hex
# Restart with a fresh gdb.
clean_restart $executable
if ![runto_main] {
fail "Can't run to main"
return -1
}
set marker_bar_addr ""
set marker_bar2_addr ""
# List the markers in program. They should be disabled.
gdb_test_multiple "info static-tracepoint-markers" "info static-tracepoint-markers 1" {
-re ".*ust/bar\[\t \]+n.*${gdb_prompt} $" {
set ignore ""
regexp "ust/bar\[\t \]+n\[\t \]+($hex) .*ust/bar2\[\t \]+n\[\t \]+($hex) " \
"$expect_out(0,string)" ignore marker_bar_addr marker_bar2_addr
pass "info static-tracepoint-markers 1"
}
-re ".*${gdb_prompt} $" {
fail "info static-tracepoint-markers 1"
}
}
gdb_test "strace -m ust/bar" "Static tracepoint \[0-9\]+ at ${hex}: file.*"
gdb_test "strace -m ust/bar2" "Static tracepoint \[0-9\]+ at ${hex}: file.*"
# Two trace markers should be enabled.
gdb_test "info static-tracepoint-markers" \
"ust/bar\[\t \]+y\[\t \]+$hex .*ust/bar2\[\t \]+y\[\t \]+$hex.*" \
"info static-tracepoint-markers 2"
# Set breapoints or tracepoints.
set test "${type} on marker bar"
gdb_test_multiple "${type} *${marker_bar_addr}" $test {
-re "\(Fast trace|Trace|Break\)point \[0-9\]+ at ${hex}: file.*\r\n$gdb_prompt $" {
pass $test
}
-re ".*\r\n$gdb_prompt $" {
if [string equal $type "ftrace"] {
# The instruction may be not long enough to set a fast tracepoint.
# Skip the rest of this test.
return -1;
} else {
fail $test
}
}
}
set test "${type} on marker bar2"
gdb_test_multiple "${type} *${marker_bar2_addr}" $test {
-re "\(Fast trace|Trace|Break\)point \[0-9\]+ at ${hex}: file.*" {
pass $test
}
-re ".*\r\n$gdb_prompt $" {
if [string equal $type "ftrace"] {
# The instruction may be not long enough to set a fast tracepoint.
# Skip the rest of this test.
return -1;
} else {
fail $test
}
}
}
gdb_test "break end" "Breakpoint \[0-9\]+ at.*"
if [string equal $type "break"] {
gdb_test "continue" "Continuing\\.\[ \r\n\]+Breakpoint.*" "continue to bar"
gdb_test "continue" "Continuing\\.\[ \r\n\]+Breakpoint.*" "continue to bar2"
gdb_test "continue" "Continuing\\.\[ \r\n\]+Breakpoint.*" "continue to end"
} else {
gdb_test_no_output "tstart"
gdb_test "continue" "Continuing\\.\[ \r\n\]+Breakpoint.*" "continue to end"
gdb_test_no_output "tstop"
gdb_test "tfind" "Found trace frame 0, tracepoint .*" "tfind frame 0"
gdb_test "tfind" "Found trace frame 1, tracepoint .*" "tfind frame 1"
gdb_test "tfind" "Found trace frame 2, tracepoint .*" "tfind frame 2"
gdb_test "tfind" "Found trace frame 3, tracepoint .*" "tfind frame 3"
gdb_test "tfind" "Target failed to find requested trace frame\\..*"
}
}}
proc strace_trace_on_diff_addr { } { with_test_prefix "trace_diff_addr" {
global executable
global expect_out
global gdb_prompt
global hex
# Restart with a fresh gdb.
clean_restart $executable
if ![runto_main] {
fail "Can't run to main"
return -1
}
set marker_bar_addr ""
set marker_bar2_addr ""
# List the markers in program. They should be disabled.
gdb_test_multiple "info static-tracepoint-markers" "info static-tracepoint-markers 1" {
-re ".*ust/bar\[\t \]+n.*${gdb_prompt} $" {
set ignore ""
regexp "ust/bar\[\t \]+n\[\t \]+($hex) .*ust/bar2\[\t \]+n\[\t \]+($hex) " \
"$expect_out(0,string)" ignore marker_bar_addr marker_bar2_addr
pass "info static-tracepoint-markers 1"
}
-re ".*${gdb_prompt} $" {
fail "info static-tracepoint-markers 1"
}
}
gdb_test "strace -m ust/bar" "Static tracepoint \[0-9\]+ at ${hex}: file.*"
gdb_test "info static-tracepoint-markers" \
"ust/bar\[\t \]+y\[\t \]+$hex .*ust/bar2\[\t \]+n\[\t \]+$hex.*" \
"info static-tracepoint-markers 2"
# Set common tracepoint.
gdb_test "trace *${marker_bar2_addr}" "Tracepoint \[0-9\]+ at ${hex}: file.*"
gdb_test "break end" "Breakpoint \[0-9\]+ at.*"
gdb_test_no_output "tstart"
gdb_test "continue" "Continuing\\.\[ \r\n\]+Breakpoint.*" "continue to end"
gdb_test_no_output "tstop"
gdb_test "tfind" "Found trace frame 0, tracepoint .*" "tfind frame 0"
gdb_test "tfind" "Found trace frame 1, tracepoint .*" "tfind frame 1"
gdb_test "tfind" "Target failed to find requested trace frame\\..*"
}}
clean_restart $executable
if ![runto_main] {
fail "Can't run to main to check for trace support"
return -1
}
# Run it on native x86/x86_64 linux.
if { ![is_remote target]
&& ([istarget "x86_64-*-linux*"] || [istarget "i\[34567\]86-*-linux*"]) } {
strace_info_marker
return
}
if { ![gdb_target_supports_trace] } then {
unsupported "Current target does not support trace"
return -1;
}
gdb_load_shlibs $libipa
strace_info_marker
strace_probe_marker
strace_trace_on_same_addr "trace"
strace_trace_on_same_addr "ftrace"
strace_trace_on_same_addr "break"
strace_trace_on_diff_addr
|
