gdb/testsuite/gdb.trace/strace.exp

   1 # Copyright 2011-2012 Free Software Foundation, Inc.
   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 if {[skip_shlib_tests]} {
  18     return 0
  19 }
  20
  21 set testfile "strace"
  22 set srcfile $testfile.c
  23 set binfile $objdir/$subdir/$testfile
  24 set executable $testfile
  25
  26 set libipa $objdir/../gdbserver/libinproctrace.so
  27
  28 set lib_opts debug
  29
  30 if [get_compiler_info ${binfile}] {
  31     return -1
  32 }
  33
  34 set additional_flags [list debug shlib=$libipa shlib_load "additional_flags=-lust -lurcu-bp" ]
  35
  36 if { [gdb_compile $srcdir/$subdir/$srcfile $binfile executable $additional_flags] != ""} {
  37     untested "UST library or headers are not installed"
  38     return -1
  39 }
  40
  41 clean_restart $executable
  42
  43 if ![runto_main] {
  44     fail "Can't run to main to check for trace support"
  45     return -1
  46 }
  47
  48 if { ![gdb_target_supports_trace] } then {
  49     unsupported "Current target does not support trace"
  50     return -1;
  51 }
  52
  53 gdb_load_shlibs $libipa
  54
  55 proc strace_info_marker { } { with_test_prefix "info_marker" {
  56     global executable
  57     global gdb_prompt
  58
  59     # Restart with a fresh gdb.
  60     clean_restart $executable
  61     if ![runto_main] {
  62         fail "Can't run to main"
  63         return -1
  64     }
  65
  66     # List the markers in program.  They should be disabled.
  67     gdb_test "info static-tracepoint-markers" \
  68         ".*ust/bar\[\t \]+n\[\t \]+.*ust/bar2\[\t \]+n\[\t \]+.*"
  69
  70     # List all the thread.  It is expected to get three threads without
  71     # any errors.
  72     gdb_test_multiple "info threads 3 2 1" "info threads" {
  73         -re "3\[ \t\]+Thread .*2\[ \t\]+Thread .*1\[ \t\]+Thread .*${gdb_prompt} $" {
  74             pass "info threads"
  75         }
  76     }
  77 }}
  78
  79 proc strace_probe_marker { } { with_test_prefix "probe_marker" {
  80     global executable
  81     global expect_out
  82     global gdb_prompt
  83     global hex
  84
  85     # Restart with a fresh gdb.
  86     clean_restart $executable
  87     if ![runto_main] {
  88         fail "Can't run to main"
  89         return -1
  90     }
  91
  92     gdb_test "strace -m ust/bar" "Static tracepoint \[0-9\]+ at ${hex}: file.*"
  93     gdb_test "strace -m ust/bar2" "Static tracepoint \[0-9\]+ at ${hex}: file.*"
  94     # Two trace markers should be enabled.
  95     gdb_test "info static-tracepoint-markers" "ust/bar\[\t \]+y\[\t \]+$hex .*ust/bar2\[\t \]+y\[\t \]+$hex.*"
  96
  97     gdb_test "break end" "Breakpoint \[0-9\]+ at.*"
  98
  99     gdb_test_no_output "tstart"
 100     gdb_test "continue" "Continuing\\.\[ \r\n\]+Breakpoint.*" "continue to end"
 101     gdb_test_no_output "tstop"
 102
 103     gdb_test "tfind" "Found trace frame 0, tracepoint .*" "tfind frame 0"
 104     gdb_test "tfind" "Found trace frame 1, tracepoint .*" "tfind frame 1"
 105     gdb_test "tfind" "Target failed to find requested trace frame\\..*"
 106 }}
 107
 108 proc strace_trace_on_same_addr { type } { with_test_prefix "trace_same_addr $type" {
 109     global executable
 110     global expect_out
 111     global gdb_prompt
 112     global hex
 113
 114     # Restart with a fresh gdb.
 115     clean_restart $executable
 116     if ![runto_main] {
 117         fail "Can't run to main"
 118         return -1
 119     }
 120
 121     set marker_bar_addr ""
 122     set marker_bar2_addr ""
 123
 124     # List the markers in program.  They should be disabled.
 125     gdb_test_multiple "info static-tracepoint-markers" "info static-tracepoint-markers 1" {
 126         -re ".*ust/bar\[\t \]+n.*${gdb_prompt} $" {
 127             set ignore ""
 128
 129             regexp "ust/bar\[\t \]+n\[\t \]+($hex) .*ust/bar2\[\t \]+n\[\t \]+($hex) " \
 130                 "$expect_out(0,string)" ignore marker_bar_addr marker_bar2_addr
 131
 132             pass "info static-tracepoint-markers 1"
 133         }
 134         -re ".*${gdb_prompt} $" {
 135             fail "info static-tracepoint-markers 1"
 136         }
 137     }
 138
 139     gdb_test "strace -m ust/bar" "Static tracepoint \[0-9\]+ at ${hex}: file.*"
 140     gdb_test "strace -m ust/bar2" "Static tracepoint \[0-9\]+ at ${hex}: file.*"
 141     # Two trace markers should be enabled.
 142     gdb_test "info static-tracepoint-markers" \
 143         "ust/bar\[\t \]+y\[\t \]+$hex .*ust/bar2\[\t \]+y\[\t \]+$hex.*" \
 144         "info static-tracepoint-markers 2"
 145
 146     # Set breapoints or tracepoints.
 147     set test "${type} on marker bar"
 148     gdb_test_multiple "${type} *${marker_bar_addr}" $test {
 149         -re "\(Fast trace|Trace|Break\)point \[0-9\]+ at ${hex}: file.*\r\n$gdb_prompt $" {
 150             pass $test
 151         }
 152         -re ".*\r\n$gdb_prompt $" {
 153             if [string equal $type "ftrace"] {
 154                 # The instruction may be not long enough to set a fast tracepoint.
 155                 # Skip the rest of this test.
 156                 return -1;
 157             } else {
 158                 fail $test
 159             }
 160         }
 161     }
 162     set test "${type} on marker bar2"
 163     gdb_test_multiple "${type} *${marker_bar2_addr}" $test {
 164         -re "\(Fast trace|Trace|Break\)point \[0-9\]+ at ${hex}: file.*" {
 165             pass $test
 166         }
 167         -re ".*\r\n$gdb_prompt $" {
 168             if [string equal $type "ftrace"] {
 169                 # The instruction may be not long enough to set a fast tracepoint.
 170                 # Skip the rest of this test.
 171                 return -1;
 172             } else {
 173                 fail $test
 174             }
 175         }
 176     }
 177
 178     gdb_test "break end" "Breakpoint \[0-9\]+ at.*"
 179
 180     if [string equal $type "break"] {
 181         gdb_test "continue" "Continuing\\.\[ \r\n\]+Breakpoint.*" "continue to bar"
 182         gdb_test "continue" "Continuing\\.\[ \r\n\]+Breakpoint.*" "continue to bar2"
 183         gdb_test "continue" "Continuing\\.\[ \r\n\]+Breakpoint.*" "continue to end"
 184     } else {
 185
 186         gdb_test_no_output "tstart"
 187         gdb_test "continue" "Continuing\\.\[ \r\n\]+Breakpoint.*" "continue to end"
 188         gdb_test_no_output "tstop"
 189
 190         gdb_test "tfind" "Found trace frame 0, tracepoint .*" "tfind frame 0"
 191         gdb_test "tfind" "Found trace frame 1, tracepoint .*" "tfind frame 1"
 192         gdb_test "tfind" "Found trace frame 2, tracepoint .*" "tfind frame 2"
 193         gdb_test "tfind" "Found trace frame 3, tracepoint .*" "tfind frame 3"
 194         gdb_test "tfind" "Target failed to find requested trace frame\\..*"
 195     }
 196 }}
 197
 198 proc strace_trace_on_diff_addr { } { with_test_prefix "trace_diff_addr" {
 199
 200     global executable
 201     global expect_out
 202     global gdb_prompt
 203     global hex
 204
 205     # Restart with a fresh gdb.
 206     clean_restart $executable
 207     if ![runto_main] {
 208         fail "Can't run to main"
 209         return -1
 210     }
 211
 212     set marker_bar_addr ""
 213     set marker_bar2_addr ""
 214
 215     # List the markers in program.  They should be disabled.
 216     gdb_test_multiple "info static-tracepoint-markers" "info static-tracepoint-markers 1" {
 217         -re ".*ust/bar\[\t \]+n.*${gdb_prompt} $" {
 218             set ignore ""
 219
 220             regexp "ust/bar\[\t \]+n\[\t \]+($hex) .*ust/bar2\[\t \]+n\[\t \]+($hex) " \
 221                 "$expect_out(0,string)" ignore marker_bar_addr marker_bar2_addr
 222
 223             pass "info static-tracepoint-markers 1"
 224         }
 225         -re ".*${gdb_prompt} $" {
 226             fail "info static-tracepoint-markers 1"
 227         }
 228     }
 229
 230     gdb_test "strace -m ust/bar" "Static tracepoint \[0-9\]+ at ${hex}: file.*"
 231
 232     gdb_test "info static-tracepoint-markers" \
 233         "ust/bar\[\t \]+y\[\t \]+$hex .*ust/bar2\[\t \]+n\[\t \]+$hex.*" \
 234         "info static-tracepoint-markers 2"
 235
 236
 237     # Set common tracepoint.
 238     gdb_test "trace *${marker_bar2_addr}" "Tracepoint \[0-9\]+ at ${hex}: file.*"
 239
 240     gdb_test "break end" "Breakpoint \[0-9\]+ at.*"
 241
 242     gdb_test_no_output "tstart"
 243     gdb_test "continue" "Continuing\\.\[ \r\n\]+Breakpoint.*" "continue to end"
 244     gdb_test_no_output "tstop"
 245
 246     gdb_test "tfind" "Found trace frame 0, tracepoint .*" "tfind frame 0"
 247     gdb_test "tfind" "Found trace frame 1, tracepoint .*" "tfind frame 1"
 248     gdb_test "tfind" "Target failed to find requested trace frame\\..*"
 249 }}
 250
 251 strace_info_marker
 252 strace_probe_marker
 253
 254 strace_trace_on_same_addr "trace"
 255 strace_trace_on_same_addr "ftrace"
 256 strace_trace_on_same_addr "break"
 257 strace_trace_on_diff_addr