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618f726f | 1 | # Copyright 2011-2016 Free Software Foundation, Inc. |
43691ca1 PL |
2 | # This program is free software; you can redistribute it and/or modify |
3 | # it under the terms of the GNU General Public License as published by | |
4 | # the Free Software Foundation; either version 3 of the License, or | |
5 | # (at your option) any later version. | |
6 | # | |
7 | # This program is distributed in the hope that it will be useful, | |
8 | # but WITHOUT ANY WARRANTY; without even the implied warranty of | |
9 | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
10 | # GNU General Public License for more details. | |
11 | # | |
12 | # You should have received a copy of the GNU General Public License | |
13 | # along with this program. If not, see <http://www.gnu.org/licenses/>. | |
14 | ||
15 | load_lib "trace-support.exp" | |
16 | ||
17 | standard_testfile | |
18 | set executable $testfile | |
19 | set expfile $testfile.exp | |
20 | ||
21 | # Some targets have leading underscores on assembly symbols. | |
22 | set additional_flags [gdb_target_symbol_prefix_flags] | |
23 | ||
43691ca1 PL |
24 | if [prepare_for_testing $expfile $executable $srcfile \ |
25 | [list debug $additional_flags]] { | |
26 | untested "failed to prepare for trace tests" | |
27 | return -1 | |
28 | } | |
29 | ||
30 | if ![runto_main] { | |
31 | fail "Can't run to main to check for trace support" | |
32 | return -1 | |
33 | } | |
34 | ||
35 | if ![gdb_target_supports_trace] { | |
36 | unsupported "target does not support trace" | |
37 | return -1 | |
38 | } | |
39 | ||
40 | set libipa [get_in_proc_agent] | |
41 | gdb_load_shlibs $libipa | |
42 | ||
43 | # Can't use prepare_for_testing, because that splits compiling into | |
44 | # building objects and then linking, and we'd fail with "linker input | |
45 | # file unused because linking not done" when building the object. | |
46 | ||
47 | if { [gdb_compile "$srcdir/$subdir/$srcfile" $binfile \ | |
48 | executable [list debug $additional_flags shlib=$libipa] ] != "" } { | |
49 | untested "failed to compile ftrace tests" | |
50 | return -1 | |
51 | } | |
52 | ||
53 | clean_restart ${executable} | |
54 | ||
55 | if ![runto_main] { | |
56 | fail "Can't run to main for ftrace tests" | |
57 | return 0 | |
58 | } | |
59 | ||
60 | if { [gdb_test "info sharedlibrary" ".*${libipa}.*" "IPA loaded"] != 0 } { | |
61 | untested "Could not find IPA lib loaded" | |
62 | return 1 | |
63 | } | |
64 | ||
65 | proc test_tracepoints { trace_command condition num_frames { kfail_proc 0 } } { | |
66 | global executable gdb_prompt | |
67 | ||
68 | clean_restart ${executable} | |
69 | ||
70 | if ![runto_main] { | |
71 | fail "Can't run to main for ftrace tests" | |
72 | return 0 | |
73 | } | |
74 | ||
75 | gdb_test "break begin" ".*" "" | |
76 | ||
77 | gdb_test "break end" ".*" "" | |
78 | ||
79 | with_test_prefix "${trace_command}: ${condition}" { | |
80 | ||
81 | gdb_test "${trace_command} set_point if ${condition}" \ | |
82 | "\(Fast t|T\)racepoint .*" \ | |
83 | "set tracepoint" | |
84 | ||
85 | gdb_test "continue" ".*Breakpoint \[0-9\]+, begin .*" \ | |
86 | "advance to trace begin" | |
87 | ||
88 | gdb_test_no_output "tstart" "start trace experiment" | |
89 | ||
90 | gdb_test_multiple "continue" "advance through tracing" { | |
91 | -re ".*Breakpoint \[0-9\]+, end .*$gdb_prompt $" { | |
92 | pass "advance through tracing" | |
93 | } | |
94 | -re "Program received signal SIGSEGV, Segmentation fault\\..*$gdb_prompt $" { | |
95 | if { $kfail_proc != 0 } { | |
96 | $kfail_proc $trace_command | |
97 | } | |
98 | fail "advance through tracing" | |
99 | } | |
100 | } | |
101 | ||
102 | if { $kfail_proc != 0 } { | |
103 | $kfail_proc $trace_command | |
104 | } | |
105 | gdb_test "tstatus" \ | |
106 | ".*Trace .*Collected $num_frames .*" \ | |
107 | "check $num_frames frames were collected." | |
108 | ||
109 | gdb_test "tstop" "" "" | |
110 | } | |
111 | } | |
112 | ||
113 | # These callbacks identify known failures for certain architectures. They | |
114 | # are called either if GDBserver crashes or has not traced the correct | |
115 | # number of frames. | |
116 | ||
117 | proc 18955_x86_64_failure { trace_command } { | |
118 | if { $trace_command == "ftrace" } { | |
119 | setup_kfail "gdb/18955" "x86_64-*-linux*" | |
120 | } | |
121 | } | |
122 | ||
123 | proc 18955_i386_failure { trace_command } { | |
124 | if { $trace_command == "ftrace" } { | |
125 | setup_kfail "gdb/18955" "i\[34567\]86-*-*" | |
126 | } | |
127 | } | |
128 | ||
129 | foreach trace_command { "trace" "ftrace" } { | |
130 | # This condition is always true as the PC should be set to the tracepoint | |
131 | # address when hit. | |
6e7675a7 | 132 | test_tracepoints $trace_command "\$$pcreg == *set_point" 10 |
43691ca1 PL |
133 | |
134 | # Can we read local variables? | |
135 | test_tracepoints $trace_command "anarg == 100 || anarg == 200" 2 18955_x86_64_failure | |
136 | # Can we read global variables? | |
137 | test_tracepoints $trace_command "anarg == 100 && globvar == 1" 1 18955_x86_64_failure | |
138 | ||
139 | # Test various operations to cover as many opcodes as possible. | |
140 | test_tracepoints $trace_command "21 + 21 == 42" 10 | |
141 | test_tracepoints $trace_command "21 - 21 == 0" 10 | |
142 | test_tracepoints $trace_command "21 * 2 == 42" 10 | |
143 | test_tracepoints $trace_command "21 << 1 == 42" 10 | |
144 | test_tracepoints $trace_command "42 >> 1 == 21" 10 | |
340c2830 | 145 | test_tracepoints $trace_command "-(21 << 1) == -42" 10 |
43691ca1 PL |
146 | test_tracepoints $trace_command "-42 >> 1 == -21" 10 |
147 | test_tracepoints $trace_command "(0xabababab & 0x0000ffff) == 0xabab" 10 | |
148 | test_tracepoints $trace_command "(0xabababab | 0x0000ffff) == 0xababffff" 10 | |
149 | test_tracepoints $trace_command "(0xaaaaaaaa ^ 0x55555555) == 0xffffffff" 10 | |
150 | test_tracepoints $trace_command "~0xaaaaaaaa == 0x55555555" 10 | |
151 | test_tracepoints $trace_command "21 < 42" 10 | |
152 | test_tracepoints $trace_command "42 <= 42" 10 | |
153 | test_tracepoints $trace_command "42 >= 42" 10 | |
154 | test_tracepoints $trace_command "42 > 21" 10 | |
155 | test_tracepoints $trace_command "(21 < 42 ? 0 : 1) == 0" 10 18955_i386_failure | |
156 | test_tracepoints $trace_command "(42 <= 42 ? 0 : 1) == 0" 10 | |
157 | test_tracepoints $trace_command "(42 >= 42 ? 0 : 1) == 0" 10 | |
158 | test_tracepoints $trace_command "(42 > 21 ? 0 : 1) == 0" 10 18955_i386_failure | |
159 | test_tracepoints $trace_command "\$trace_timestamp >= 0" 10 | |
160 | } |