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c5a57081 | 1 | # Copyright 2011-2012 Free Software Foundation, Inc. |
405f8e94 SS |
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 | ||
497a5eb0 | 17 | standard_testfile |
405f8e94 | 18 | set executable $testfile |
405f8e94 SS |
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 | ||
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 | ||
c0d4d1c0 | 40 | set libipa [get_in_proc_agent] |
405f8e94 SS |
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 | clean_restart ${executable} | |
53 | ||
54 | if ![runto_main] { | |
55 | fail "Can't run to main for ftrace tests" | |
56 | return 0 | |
57 | } | |
58 | ||
59 | proc run_trace_experiment {} { | |
60 | ||
61 | gdb_test "continue" \ | |
62 | ".*Breakpoint \[0-9\]+, begin .*" \ | |
63 | "advance to trace begin" | |
64 | ||
65 | gdb_test_no_output "tstart" "start trace experiment" | |
66 | ||
67 | gdb_test "continue" \ | |
68 | ".*Breakpoint \[0-9\]+, end .*" \ | |
69 | "advance through tracing" | |
70 | ||
71 | gdb_test "tstatus" ".*Trace .*" "check on trace status" | |
72 | ||
73 | gdb_test "tstop" "" "" | |
74 | } | |
75 | ||
76 | proc test_fast_tracepoints {} { | |
61638e15 | 77 | global gdb_prompt |
405f8e94 SS |
78 | |
79 | set fourgood 0 | |
80 | ||
81 | gdb_test "break begin" ".*" "" | |
82 | ||
83 | gdb_test "break end" ".*" "" | |
84 | ||
85 | gdb_test "print gdb_agent_gdb_trampoline_buffer_error" ".*" "" | |
86 | ||
abe49676 | 87 | if { [istarget "x86_64-*-*"] || [istarget "i\[34567\]86-*-*"] } { |
405f8e94 SS |
88 | |
89 | gdb_test "ftrace set_point" "Fast tracepoint .*" \ | |
90 | "fast tracepoint at a long insn" | |
91 | ||
92 | gdb_trace_setactions "collect at set_point: define actions" \ | |
93 | "" \ | |
94 | "collect globvar, anarg" "^$" | |
95 | ||
96 | # Make a test of shorter fast tracepoints, 32-bit x86 only | |
97 | ||
98 | if { [istarget "i?86-*-*"] } { | |
99 | ||
100 | # A Linux target needs to be able to allocate trampolines in the | |
101 | # 16-bit range, check mmap_min_addr so we can warn testers. | |
102 | if { [istarget "i?86-*-linux*"] } { | |
103 | ||
104 | set minaddr [exec sh -c "cat /proc/sys/vm/mmap_min_addr"] | |
105 | ||
106 | if { [expr $minaddr > 64512] } { | |
107 | warning "mmap_min_addr > 64512, fast tracepoint will fail" | |
108 | warning "do \"sudo sysctl -w vm.mmap_min_addr=32768\" to adjust" | |
109 | } | |
110 | } | |
111 | ||
112 | gdb_test_multiple "ftrace four_byter" "set 4-byte fast tracepoint" { | |
61638e15 | 113 | -re "May not have a fast tracepoint at .*\r\n$gdb_prompt $" { |
405f8e94 SS |
114 | pass "4-byte fast tracepoint could not be set" |
115 | } | |
61638e15 | 116 | -re "Fast tracepoint .*\r\n$gdb_prompt $" { |
405f8e94 SS |
117 | pass "4-byte fast tracepoint is set" |
118 | set fourgood 1 | |
119 | } | |
120 | } | |
121 | ||
122 | if { $fourgood } { | |
123 | ||
124 | gdb_trace_setactions "collect at four_byter: define actions" \ | |
125 | "" \ | |
126 | "collect globvar, anarg" "^$" | |
127 | } | |
128 | } | |
129 | ||
130 | run_trace_experiment | |
131 | ||
132 | gdb_test "tfind pc *set_point" "Found trace frame .*" \ | |
133 | "tfind set_point frame, first time" | |
134 | ||
bb662ca6 | 135 | setup_kfail "gdb/13808" "x86_64-*-linux*" |
405f8e94 SS |
136 | gdb_test "print globvar" " = 1" |
137 | ||
138 | gdb_test "tfind pc *set_point" "Found trace frame .*" \ | |
139 | "tfind set_point frame, second time" | |
140 | ||
bb662ca6 | 141 | setup_kfail "gdb/13808" "x86_64-*-linux*" |
405f8e94 SS |
142 | gdb_test "print anarg" " = 200" |
143 | ||
144 | gdb_test "tfind start" "Found trace frame .*" \ | |
145 | "reset tfinding" | |
146 | ||
147 | if { $fourgood } { | |
148 | ||
149 | gdb_test "tfind pc *four_byter" "Found trace frame .*" \ | |
150 | "tfind four_byter frame, first time" | |
151 | ||
152 | gdb_test "print anarg" " = 101" \ | |
153 | "look at collected local, first time" | |
154 | ||
155 | gdb_test "tfind pc *four_byter" "Found trace frame .*" \ | |
156 | "tfind four_byter frame, second time" | |
157 | ||
158 | gdb_test "print anarg" " = 201" \ | |
159 | "look at collected local, second time" | |
160 | ||
161 | } | |
162 | } | |
163 | } | |
164 | ||
165 | gdb_reinitialize_dir $srcdir/$subdir | |
166 | ||
c0d4d1c0 | 167 | if { [gdb_test "info sharedlibrary" ".*${libipa}.*" "IPA loaded"] != 0 } { |
405f8e94 SS |
168 | untested "Could not find IPA lib loaded" |
169 | return 1 | |
170 | } | |
171 | ||
172 | test_fast_tracepoints |