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
|
# Copyright 2012-2015 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
set executable ""
set ws "\[\r\n\t \]+"
set cr "\[\r\n\]+"
# Only x86 and x86_64 targets are supported for now.
if { ![istarget "x86_64-*"] && ![istarget "i?86-*"] } {
continue
}
proc compile_stap_bin {exec_name {arg ""}} {
global srcfile
global srcdir
global subdir
global executable
if { $arg != "" } {
set arg "additional_flags=$arg"
}
set executable ${exec_name}
if { [gdb_compile "$srcdir/$subdir/$srcfile" \
[standard_output_file $exec_name] \
executable [concat $arg debug nowarnings]] != "" } {
untested "Could not compile ${srcfile}"
return 0
}
return 1
}
proc prepare_for_trace_test {} {
global executable
clean_restart $executable
if { ![runto_main] } {
perror "Could not run to `main'."
continue
}
gdb_breakpoint [gdb_get_line_number "end-here"]
}
proc run_trace_experiment { test_probe msg } {
global gdb_prompt
set test "collect $msg: start trace experiment"
gdb_test_multiple "tstart" "$test" {
-re "^tstart\r\n$gdb_prompt $" {
pass "$test"
}
}
gdb_test "continue" \
"Continuing.*Breakpoint \[0-9\]+.*" \
"collect $msg: run trace experiment"
gdb_test "tstop" \
"\[\r\n\]+" \
"collect $msg: stop trace experiment"
gdb_test "tfind start" \
"#0 .*" \
"collect $msg: tfind test frame"
}
proc gdb_collect_probe_arg { msg probe val_arg0 } {
global gdb_prompt
global cr
prepare_for_trace_test
gdb_test "trace $probe" \
"Tracepoint \[0-9\]+ at .*" \
"collect $msg: set tracepoint"
gdb_trace_setactions "collect $msg: define actions" \
"" \
"collect \$_probe_arg0" "^$"
# Begin the test.
run_trace_experiment $msg $probe
gdb_test "print \$_probe_arg0" \
"\\$\[0-9\]+ = $val_arg0$cr" \
"collect $msg: collected probe arg0"
}
if {![compile_stap_bin "stap-probe-nosem"]} {
# An appropriate failure message has already been output
return -1
}
clean_restart $executable
if { ![runto_main] } {
perror "Could not run to `main'."
continue
}
if { ![gdb_target_supports_trace] } {
# Test cannot run on this target.
return 1
}
gdb_collect_probe_arg "probe args without semaphore" "-probe-stap user" "23"
gdb_exit
if {![compile_stap_bin "stap-probe-sem" "-DUSE_PROBES"]} {
# An appropriate failure message has already been output
return -1
}
gdb_collect_probe_arg "probe args with semaphore" "-probe-stap two" "46"
# Finished!
gdb_test "tfind none" ".*" ""
|
