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
|
# Copyright 2011-2021 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"
standard_testfile actions.c
set executable $testfile
set expfile tstatus.exp
if ![gdb_trace_common_supports_arch] {
unsupported "no trace-common.h support for arch"
return -1
}
if [prepare_for_testing "failed to prepare" $executable $srcfile \
[list debug]] {
return -1
}
if ![runto_main] {
fail "can't run to main to check for trace support"
return -1
}
if ![gdb_target_supports_trace] {
unsupported "target does not support trace"
return -1
}
set tstatus_output ""
proc run_trace_experiment {} {
global gdb_prompt
global decimal
global tstatus_output
# gdb_test_no_output "set debug remote 1" ""
gdb_test "continue" \
".*Breakpoint \[0-9\]+, begin .*" \
"advance to trace begin"
gdb_test_no_output "tstart my tracing note" "start trace experiment"
gdb_test "continue" \
".*Breakpoint \[0-9\]+, end .*" \
"advance through tracing"
# Now play with tstatus a bit.
# Since support for notes, user, stop reason, etc. is optional, we
# need to match both with and without cases.
set test "tstatus reports trace note"
gdb_test_multiple "tstatus" $test {
-re "Trace is running.*Trace will stop if GDB disconnects\.\[\r\n\]+Trace notes: my tracing note\.\[\r\n\]+Not looking at any trace frame\..*\r\n$gdb_prompt $" {
pass $test
}
-re "Trace is running.*Trace will stop if GDB disconnects\.\[\r\n\]+Not looking at any trace frame.*\r\n$gdb_prompt $" {
unsupported $test
}
}
gdb_test "set trace-notes different note" "" "change tracing note"
set test "tstatus reports different trace note"
gdb_test_multiple "tstatus" $test {
-re "Trace is running.*Trace will stop if GDB disconnects\.\[\r\n\]+Trace notes: different note\.\[\r\n\]+Not looking at any trace frame\..*\r\n$gdb_prompt $" {
pass $test
}
-re "Trace is running.*Trace will stop if GDB disconnects\.\[\r\n\]+Not looking at any trace frame.*\r\n$gdb_prompt $" {
unsupported $test
}
}
gdb_test "set trace-user me me me" "" "change tracing user"
set test "tstatus reports trace user"
gdb_test_multiple "tstatus" $test {
-re "Trace is running.*Trace will stop if GDB disconnects\.\[\r\n\]+Trace user is me me me\.\[\r\n\]+Trace notes: different note\.\[\r\n\]+Not looking at any trace frame\..*\r\n$gdb_prompt $" {
pass $test
}
-re "Trace is running.*Trace will stop if GDB disconnects\.\[\r\n\]+Not looking at any trace frame.*\r\n$gdb_prompt $" {
unsupported $test
}
}
gdb_test_no_output "tstop because I can" "trace stopped with note"
set test "tstatus reports trace stop reason"
gdb_test_multiple "tstatus" $test {
-re "(Trace stopped by a tstop command \\(because I can\\)\..*Trace will stop if GDB disconnects\.\[\r\n\]+Trace user is me me me\.\[\r\n\]+Trace notes: different note\.\[\r\n\]+Not looking at any trace frame\.).*\r\n$gdb_prompt $" {
set tstatus_output $expect_out(1,string)
pass $test
}
-re "(Trace stopped by a tstop command\.).*\r\n$gdb_prompt $" {
set tstatus_output $expect_out(1,string)
unsupported $test
}
}
set test "info trace reports tracepoint hit count and traceframe usage"
gdb_test_multiple "info trace" $test {
-re "actions\.c:\[0-9\]+\[\r\n\]+\[\t ]+tracepoint already hit 1 time\[\r\n\]+\[\t ]+trace buffer usage ${decimal} bytes\.\[\r\n\]+\[\t ]+collect parm.*\r\n$gdb_prompt $" {
pass $test
}
-re "actions\.c:\[0-9\]+\[\r\n\]+\[\t ]+collect parm.*\r\n$gdb_prompt $" {
unsupported $test
}
}
}
proc test_tracepoints {} {
global gdb_prompt
gdb_breakpoint "begin" qualified
gdb_breakpoint "end" qualified
gdb_test "trace gdb_c_test" "Tracepoint .*" \
"tracepoint at gdb_c_test"
gdb_trace_setactions "collect at set_point: define actions" \
"" \
"collect parm" "^$"
run_trace_experiment
}
test_tracepoints
set tracefile [standard_output_file ${testfile}]
# Save trace frames to tfile.
gdb_test "tsave ${tracefile}.tf" \
"Trace data saved to file '${tracefile}.tf'.*" \
"save tfile trace file"
# Save trace frames to CTF.
gdb_test "tsave -ctf ${tracefile}.ctf" \
"Trace data saved to directory '${tracefile}.ctf'.*" \
"save ctf trace file"
# Change target to tfile.
set test "change to tfile target"
gdb_test_multiple "target tfile ${tracefile}.tf" "$test" {
-re "A program is being debugged already. Kill it. .y or n. " {
send_gdb "y\n"
exp_continue
}
-re "$gdb_prompt $" {
pass "$test"
}
}
# Convert "(because I can) to "\(because I can\)"
set tstatus_output [string map {\( \\(} $tstatus_output]
set tstatus_output [string map {\) \\)} $tstatus_output]
# The status should be identical to the status of live inferior.
gdb_test "tstatus" "Using a trace file\.\r\n${tstatus_output}.*" \
"tstatus on tfile target"
# Change target to ctf if GDB supports.
gdb_test_multiple "target ctf ${tracefile}.ctf" "" {
-re "Undefined target command: \"ctf ${tracefile}.ctf\"\. Try \"help target\"\.\r\n$gdb_prompt $" {
}
-re ".*\r\n$gdb_prompt $" {
gdb_test "tstatus" "Using a trace file\.\r\n${tstatus_output}.*" \
"tstatus on ctf target"
}
}
|