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 { } {
  56     global executable
  57     global pf_prefix
  58
  59     set old_pf_prefix $pf_prefix
  60     lappend pf_prefix "info_marker"
  61
  62     # Restart with a fresh gdb.
  63     clean_restart $executable
  64     if ![runto_main] {
  65         fail "Can't run to main"
  66         set pf_prefix $old_pf_prefix
  67         return -1
  68     }
  69
  70     # List the markers in program.  They should be disabled.
  71     gdb_test "info static-tracepoint-markers" \
  72         ".*ust/bar\[\t \]+n\[\t \]+.*ust/bar2\[\t \]+n\[\t \]+.*"
  73
  74     set pf_prefix $old_pf_prefix
  75 }
  76
  77 proc strace_probe_marker { } {
  78     global executable
  79     global pf_prefix
  80     global expect_out
  81     global gdb_prompt
  82     global hex
  83
  84     set old_pf_prefix $pf_prefix
  85     lappend pf_prefix "probe_marker"
  86
  87     # Restart with a fresh gdb.
  88     clean_restart $executable
  89     if ![runto_main] {
  90         fail "Can't run to main"
  91         set pf_prefix $old_pf_prefix
  92         return -1
  93     }
  94
  95     gdb_test "strace -m ust/bar" "Static tracepoint \[0-9\]+ at ${hex}: file.*"
  96     gdb_test "strace -m ust/bar2" "Static tracepoint \[0-9\]+ at ${hex}: file.*"
  97     # Two trace markers should be enabled.
  98     gdb_test "info static-tracepoint-markers" "ust/bar\[\t \]+y\[\t \]+$hex .*ust/bar2\[\t \]+y\[\t \]+$hex.*"
  99
 100     gdb_test "break end" "Breakpoint \[0-9\]+ at.*"
 101
 102     gdb_test_no_output "tstart"
 103     gdb_test "continue" "Continuing\\.\[ \r\n\]+Breakpoint.*" "continue to end"
 104     gdb_test_no_output "tstop"
 105
 106     gdb_test "tfind" "Found trace frame 0, tracepoint .*" "tfind frame 0"
 107     gdb_test "tfind" "Found trace frame 1, tracepoint .*" "tfind frame 1"
 108     gdb_test "tfind" "Target failed to find requested trace frame\\..*"
 109
 110     set pf_prefix $old_pf_prefix
 111 }
 112
 113 proc strace_trace_on_same_addr { type } {
 114     global executable
 115     global pf_prefix
 116     global expect_out
 117     global gdb_prompt
 118     global hex
 119
 120     set old_pf_prefix $pf_prefix
 121     lappend pf_prefix "trace_same_addr" "$type"
 122
 123     # Restart with a fresh gdb.
 124     clean_restart $executable
 125     if ![runto_main] {
 126         fail "Can't run to main"
 127         set pf_prefix $old_pf_prefix
 128         return -1
 129     }
 130
 131     set marker_bar_addr ""
 132     set marker_bar2_addr ""
 133
 134     # List the markers in program.  They should be disabled.
 135     gdb_test_multiple "info static-tracepoint-markers" "info static-tracepoint-markers 1" {
 136         -re ".*ust/bar\[\t \]+n.*${gdb_prompt} $" {
 137             set ignore ""
 138
 139             regexp "ust/bar\[\t \]+n\[\t \]+($hex) .*ust/bar2\[\t \]+n\[\t \]+($hex) " \
 140                 "$expect_out(0,string)" ignore marker_bar_addr marker_bar2_addr
 141
 142             pass "info static-tracepoint-markers 1"
 143         }
 144         -re ".*${gdb_prompt} $" {
 145             fail "info static-tracepoint-markers 1"
 146         }
 147     }
 148
 149     gdb_test "strace -m ust/bar" "Static tracepoint \[0-9\]+ at ${hex}: file.*"
 150     gdb_test "strace -m ust/bar2" "Static tracepoint \[0-9\]+ at ${hex}: file.*"
 151     # Two trace markers should be enabled.
 152     gdb_test "info static-tracepoint-markers" \
 153         "ust/bar\[\t \]+y\[\t \]+$hex .*ust/bar2\[\t \]+y\[\t \]+$hex.*" \
 154         "info static-tracepoint-markers 2"
 155
 156     # Set breapoints or tracepoints.
 157     set test "${type} on marker bar"
 158     gdb_test_multiple "${type} *${marker_bar_addr}" $test {
 159         -re "\(Fast trace|Trace|Break\)point \[0-9\]+ at ${hex}: file.*\r\n$gdb_prompt $" {
 160             pass $test
 161         }
 162         -re ".*\r\n$gdb_prompt $" {
 163             if [string equal $type "ftrace"] {
 164                 # The instruction may be not long enough to set a fast tracepoint.
 165                 # Skip the rest of this test.
 166                 return -1;
 167             } else {
 168                 fail $test
 169             }
 170         }
 171     }
 172     set test "${type} on marker bar2"
 173     gdb_test_multiple "${type} *${marker_bar2_addr}" $test {
 174         -re "\(Fast trace|Trace|Break\)point \[0-9\]+ at ${hex}: file.*" {
 175             pass $test
 176         }
 177         -re ".*\r\n$gdb_prompt $" {
 178             if [string equal $type "ftrace"] {
 179                 # The instruction may be not long enough to set a fast tracepoint.
 180                 # Skip the rest of this test.
 181                 return -1;
 182             } else {
 183                 fail $test
 184             }
 185         }
 186     }
 187
 188     gdb_test "break end" "Breakpoint \[0-9\]+ at.*"
 189
 190     if [string equal $type "break"] {
 191         gdb_test "continue" "Continuing\\.\[ \r\n\]+Breakpoint.*" "continue to bar"
 192         gdb_test "continue" "Continuing\\.\[ \r\n\]+Breakpoint.*" "continue to bar2"
 193         gdb_test "continue" "Continuing\\.\[ \r\n\]+Breakpoint.*" "continue to end"
 194     } else {
 195
 196         gdb_test_no_output "tstart"
 197         gdb_test "continue" "Continuing\\.\[ \r\n\]+Breakpoint.*" "continue to end"
 198         gdb_test_no_output "tstop"
 199
 200         gdb_test "tfind" "Found trace frame 0, tracepoint .*" "tfind frame 0"
 201         gdb_test "tfind" "Found trace frame 1, tracepoint .*" "tfind frame 1"
 202         gdb_test "tfind" "Found trace frame 2, tracepoint .*" "tfind frame 2"
 203         gdb_test "tfind" "Found trace frame 3, tracepoint .*" "tfind frame 3"
 204         gdb_test "tfind" "Target failed to find requested trace frame\\..*"
 205     }
 206     set pf_prefix $old_pf_prefix
 207 }
 208
 209 proc strace_trace_on_diff_addr { } {
 210     global executable
 211     global pf_prefix
 212     global expect_out
 213     global gdb_prompt
 214     global hex
 215
 216     set old_pf_prefix $pf_prefix
 217     lappend pf_prefix "trace_diff_addr"
 218
 219     # Restart with a fresh gdb.
 220     clean_restart $executable
 221     if ![runto_main] {
 222         fail "Can't run to main"
 223         set pf_prefix $old_pf_prefix
 224         return -1
 225     }
 226
 227     set marker_bar_addr ""
 228     set marker_bar2_addr ""
 229
 230     # List the markers in program.  They should be disabled.
 231     gdb_test_multiple "info static-tracepoint-markers" "info static-tracepoint-markers 1" {
 232         -re ".*ust/bar\[\t \]+n.*${gdb_prompt} $" {
 233             set ignore ""
 234
 235             regexp "ust/bar\[\t \]+n\[\t \]+($hex) .*ust/bar2\[\t \]+n\[\t \]+($hex) " \
 236                 "$expect_out(0,string)" ignore marker_bar_addr marker_bar2_addr
 237
 238             pass "info static-tracepoint-markers 1"
 239         }
 240         -re ".*${gdb_prompt} $" {
 241             fail "info static-tracepoint-markers 1"
 242         }
 243     }
 244
 245     gdb_test "strace -m ust/bar" "Static tracepoint \[0-9\]+ at ${hex}: file.*"
 246
 247     gdb_test "info static-tracepoint-markers" \
 248         "ust/bar\[\t \]+y\[\t \]+$hex .*ust/bar2\[\t \]+n\[\t \]+$hex.*" \
 249         "info static-tracepoint-markers 2"
 250
 251
 252     # Set common tracepoint.
 253     gdb_test "trace *${marker_bar2_addr}" "Tracepoint \[0-9\]+ at ${hex}: file.*"
 254
 255     gdb_test "break end" "Breakpoint \[0-9\]+ at.*"
 256
 257     gdb_test_no_output "tstart"
 258     gdb_test "continue" "Continuing\\.\[ \r\n\]+Breakpoint.*" "continue to end"
 259     gdb_test_no_output "tstop"
 260
 261     gdb_test "tfind" "Found trace frame 0, tracepoint .*" "tfind frame 0"
 262     gdb_test "tfind" "Found trace frame 1, tracepoint .*" "tfind frame 1"
 263     gdb_test "tfind" "Target failed to find requested trace frame\\..*"
 264
 265     set pf_prefix $old_pf_prefix
 266 }
 267
 268 strace_info_marker
 269 strace_probe_marker
 270
 271 strace_trace_on_same_addr "trace"
 272 strace_trace_on_same_addr "ftrace"
 273 strace_trace_on_same_addr "break"
 274 strace_trace_on_diff_addr