gdb/testsuite/gdb.trace/actions.exp

   1 #   Copyright 1998-2018 Free Software Foundation, Inc.
   2 #
   3 # This program is free software; you can redistribute it and/or modify
   4 # it under the terms of the GNU General Public License as published by
   5 # the Free Software Foundation; either version 3 of the License, or
   6 # (at your option) any later version.
   7 #
   8 # This program is distributed in the hope that it will be useful,
   9 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  10 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  11 # GNU General Public License for more details.
  12 #
  13 # You should have received a copy of the GNU General Public License
  14 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
  15
  16 # This file was written by Michael Snyder (msnyder@cygnus.com)
  17
  18 load_lib "trace-support.exp"
  19
  20
  21 gdb_exit
  22 gdb_start
  23
  24 standard_testfile
  25 if { [gdb_compile "$srcdir/$subdir/$srcfile" $binfile \
  26           executable {debug nowarnings}] != "" } {
  27     untested "failed to compile"
  28     return -1
  29 }
  30 gdb_reinitialize_dir $srcdir/$subdir
  31
  32 # If testing on a remote host, download the source file.
  33 # remote_download host $srcdir/$subdir/$srcfile
  34
  35 gdb_file_cmd $binfile
  36
  37 # define relative source line numbers:
  38 # all subsequent line numbers are relative to this first one (baseline)
  39
  40 set baseline  [gdb_find_recursion_test_baseline $srcfile]
  41 if { $baseline == -1 } then {
  42     fail "could not find gdb_recursion_test function"
  43     return
  44 }
  45
  46 set testline1 [expr $baseline + 7]
  47
  48 #
  49 # test actions command
  50 #
  51
  52 gdb_delete_tracepoints
  53 set trcpt1 [gdb_gettpnum gdb_c_test]
  54 set trcpt2 [gdb_gettpnum gdb_asm_test]
  55 set trcpt3 [gdb_gettpnum $testline1]
  56 if { $trcpt1 <= 0 || $trcpt2 <= 0 || $trcpt3 <= 0 } then {
  57     fail "setting tracepoints"
  58     return
  59 }
  60
  61 # 5.1 actions of specified tracepoint
  62
  63 gdb_test_multiple "info tracepoints" "5.1a: set three tracepoints, no actions" {
  64     -re "Actions for tracepoint \[0-9\]+:.*$gdb_prompt $" {
  65         fail "5.1a: testsuite failure (tracepoint already has action)!"
  66     }
  67     -re "No tracepoints.*$gdb_prompt $" {
  68         fail "5.1a: set three tracepoints, no actions (No tracepoints!)"
  69     }
  70     -re "$gdb_prompt $" {
  71         pass "5.1a: set three tracepoints, no actions"
  72     }
  73 }
  74
  75 gdb_trace_setactions "5.1b: set actions for first tracepoint" \
  76         "$trcpt1" \
  77         "collect gdb_char_test" "^$"
  78
  79 gdb_test "info tracepoints" \
  80     "Num     Type\[ \]+Disp Enb Address\[ \]+What.*
  81 \[0-9\]+\[\t \]+tracepoint     keep y.* in gdb_c_test at .*$srcfile:\[0-9\]+.
  82 \[\t \]+collect gdb_char_test.
  83 \[\t \]+not installed on target.
  84 \[0-9\]+\[\t \]+tracepoint     keep y.* in gdb_asm_test at .*$srcfile:\[0-9\]+.
  85 \[\t \]+not installed on target.
  86 \[0-9\]+\[\t \]+tracepoint     keep y.* in gdb_recursion_test at .*$srcfile:\[0-9\]+.
  87 \[\t \]+not installed on target." \
  88                 "5.1c: verify actions set for first tracepoint"
  89
  90 gdb_trace_setactions "5.1d: set actions for second tracepoint" \
  91         "$trcpt2" \
  92         "collect gdb_short_test" "^$"
  93
  94 gdb_test "info tracepoints" \
  95     "Num     Type\[ \]+Disp Enb Address\[ \]+What.*
  96 \[0-9\]+\[\t \]+tracepoint     keep y.* in gdb_c_test at .*$srcfile:\[0-9\]+.
  97 \[\t \]+collect gdb_char_test.
  98 \[\t \]+not installed on target.
  99 \[0-9\]+\[\t \]+tracepoint     keep y.* in gdb_asm_test at .*$srcfile:\[0-9\]+.
 100 \[\t \]+collect gdb_short_test.
 101 \[\t \]+not installed on target.
 102 \[0-9\]+\[\t \]+tracepoint     keep y.* in gdb_recursion_test at .*$srcfile:\[0-9\]+.
 103 \[\t \]+not installed on target." \
 104                 "5.1e: verify actions set for second tracepoint"
 105
 106 gdb_trace_setactions "5.2a: set actions for last (default) tracepoint" \
 107         "" \
 108         "collect gdb_long_test" "^$"
 109
 110 gdb_test "info tracepoints" \
 111     "Num     Type\[ \]+Disp Enb Address\[ \]+What.*
 112 \[0-9\]+\[\t \]+tracepoint     keep y.* in gdb_c_test at .*$srcfile:\[0-9\]+.
 113 \[\t \]+collect gdb_char_test.
 114 \[\t \]+not installed on target.
 115 \[0-9\]+\[\t \]+tracepoint     keep y.* in gdb_asm_test at .*$srcfile:\[0-9\]+.
 116 \[\t \]+collect gdb_short_test.
 117 \[\t \]+not installed on target.
 118 \[0-9\]+\[\t \]+tracepoint     keep y.* in gdb_recursion_test at .*$srcfile:\[0-9\]+.
 119 \[\t \]+collect gdb_long_test.
 120 \[\t \]+not installed on target." \
 121                 "5.2b: verify actions set for second tracepoint"
 122
 123 # 5.3 replace actions set earlier
 124
 125 gdb_trace_setactions "5.3a: reset actions for first tracepoint" \
 126         "$trcpt1" \
 127         "collect gdb_struct1_test" "^$"
 128
 129 gdb_test "info tracepoints" \
 130     "Num     Type\[ \]+Disp Enb Address\[ \]+What.*
 131 \[0-9\]+\[\t \]+tracepoint     keep y.* in gdb_c_test at .*$srcfile:\[0-9\]+.
 132 \[\t \]+collect gdb_struct1_test.
 133 \[\t \]+not installed on target.
 134 \[0-9\]+\[\t \]+tracepoint     keep y.* in gdb_asm_test at .*$srcfile:\[0-9\]+.
 135 \[\t \]+collect gdb_short_test.
 136 \[\t \]+not installed on target.
 137 \[0-9\]+\[\t \]+tracepoint     keep y.* in gdb_recursion_test at .*$srcfile:\[0-9\]+.
 138 \[\t \]+collect gdb_long_test.
 139 \[\t \]+not installed on target." \
 140                 "5.3b: verify actions set for first tracepoint"
 141
 142 #
 143 # test end command (all by itself)
 144 #
 145
 146 # 5.4 end outside of context
 147
 148 gdb_test "end" "This command cannot be used at the top level." \
 149                         "5.4: 'end' command out of context"
 150
 151 # 5.5 empty actions (just an end with no other actions)
 152
 153 gdb_trace_setactions "5.5a: set empty actions for first tracepoint" \
 154         "$trcpt1"
 155
 156 gdb_test_multiple "info tracepoints" "5.5c: verify NO actions for first tracepoint" {
 157     -re "No tracepoints.*$gdb_prompt $" {
 158         fail "5.5c: verify NO actions for first tracepoint"
 159     }
 160     -re "Actions for.* $trcpt1:.*$gdb_prompt $" {
 161         fail "5.5c: verify NO actions for first tracepoint"
 162     }
 163     -re "$gdb_prompt $" {
 164         pass "5.5c: verify NO actions for first tracepoint"
 165     }
 166 }
 167
 168 # 5.6 actions for invalid tracepoint number
 169
 170 gdb_test "actions [expr $trcpt2 + $trcpt3]" \
 171     "No tracepoint number [expr $trcpt2 + $trcpt3]." \
 172                         "5.6: actions for invalid tracepoint number"
 173
 174 # 5.7 invalid action (other than 'collect', 'while-stepping' or 'end')
 175 #           "warning: .print gdb_c_test. is not a supported trace.*> $" \
 176
 177 gdb_trace_setactions "5.7: invalid action" \
 178         "$trcpt1" \
 179         "print gdb_c_test" \
 180         "`print gdb_c_test' is not a supported tracepoint action"
 181
 182 # 5.8 help actions (collect, while-stepping, end)
 183
 184 gdb_test "help actions" \
 185     "Specify the actions to be taken at a tracepoint.*" \
 186                         "5.8a: help actions"
 187
 188 gdb_test "help collect" \
 189     "Specify one or more data items to be collected at a tracepoint.*" \
 190                         "5.8b: help collect"
 191
 192 gdb_test "help while-stepping" \
 193     "Specify single-stepping behavior at a tracepoint.*" \
 194                         "5.8c: help while-stepping"
 195
 196 gdb_test "help end" "Ends a list of commands or actions.*" \
 197                         "5.8d: help end"
 198
 199 # 5.9 default-collect
 200
 201 gdb_test_no_output "set default-collect gdb_char_test, gdb_long_test - 100" \
 202     "5.9a: set default-collect"
 203
 204 gdb_test "show default-collect" \
 205     "The list of expressions to collect by default is \"gdb_char_test, gdb_long_test - 100\"..*" \
 206     "5.9b: show default-collect"
 207
 208 gdb_test_no_output "set default-collect" \
 209     "5.9c: set default-collect"
 210
 211 # 5.10 teval
 212
 213 gdb_test "tvariable \$tsv" \
 214   "Trace state variable \\\$tsv created, with initial value 0." \
 215   "create a trace state variable"
 216
 217 gdb_trace_setactions "5.10a: set teval action for first tracepoint" \
 218         "$trcpt1" \
 219         "teval gdb_char_test" "^$"
 220
 221 gdb_trace_setactions "5.10a: set teval action for second tracepoint" \
 222         "$trcpt2" \
 223         "teval \$tsv += 1" "^$"
 224
 225 gdb_test "info tracepoints" \
 226     "Num     Type\[ \]+Disp Enb Address\[ \]+What.*
 227 \[0-9\]+\[\t \]+tracepoint     keep y.* in gdb_c_test at .*$srcfile:\[0-9\]+.
 228 \[\t \]+teval gdb_char_test.
 229 \[\t \]+not installed on target.
 230 \[0-9\]+\[\t \]+tracepoint     keep y.* in gdb_asm_test at .*$srcfile:\[0-9\]+.
 231 \[\t \]+teval \\\$tsv \\\+= 1.
 232 \[\t \]+not installed on target.
 233 \[0-9\]+\[\t \]+tracepoint     keep y.* in gdb_recursion_test at .*$srcfile:\[0-9\]+.
 234 \[\t \]+collect gdb_long_test.
 235 \[\t \]+not installed on target." \
 236                 "5.10a: verify teval actions set for two tracepoints"
 237
 238 # Load the binary to the target too.
 239 gdb_load $binfile
 240
 241 # Can't use runto_main here, because that would delete the tracepoints
 242 # created above.
 243 gdb_breakpoint "main"
 244 gdb_run_cmd
 245 if {[gdb_test "" "Breakpoint .*"] != 0} {
 246     fail "can't run to main"
 247     return -1
 248 }
 249
 250 if ![gdb_target_supports_trace] {
 251     unsupported "target does not support trace"
 252     return -1
 253 }
 254
 255 gdb_trace_setactions "set actions for first tracepoint" \
 256     "$trcpt1" \
 257     "collect \$regs" "^$" \
 258     "end" ""
 259
 260 # Check the definition of tracepoints.  These tracepoints may have
 261 # different number in different runs.
 262
 263 proc check_tracepoint { data_source } {
 264     with_test_prefix "$data_source" {
 265         global gdb_prompt
 266         global srcfile
 267
 268         set tp_on_gdb_c_test 0
 269         set tp_on_gdb_asm_test 0
 270         set tp_on_gdb_recursion_test 0
 271
 272         # Since the three tracepoints may appear in different orders, so
 273         # we can't do 'info tracepoints' to match the output.  Instead, we
 274         # show each tracepoint one by one and record the number of each
 275         # tracepoint shown up the output.  Check the number finally.
 276         for {set i 1} {$i < 4} {incr i 1} {
 277             set test "info tracepoints $i"
 278             gdb_test_multiple "info tracepoints $i" $test {
 279                 -re "\[0-9\]+\[\t \]+tracepoint     keep y.* in gdb_c_test at .*$srcfile:\[0-9\]+\\r\\n\[\t \]+collect \\\$regs\\r\\n\[\t \]+installed on target" {
 280                     incr tp_on_gdb_c_test
 281                     exp_continue
 282                 }
 283                 -re "\[0-9\]+\[\t \]+tracepoint     keep y.* in gdb_asm_test at .*$srcfile:\[0-9\]+\\r\\n\[\t \]+teval \\\$tsv \\+= 1\\r\\n\[\t \]+installed on target" {
 284                     incr tp_on_gdb_asm_test
 285                     exp_continue
 286                 }
 287                 -re "\[0-9\]+\[\t \]+tracepoint     keep y.* in gdb_recursion_test at .*$srcfile:\[0-9\]+\\r\\n\[\t \]+collect gdb_long_test\\r\\n\[\t \]+installed on target" {
 288                     incr tp_on_gdb_recursion_test
 289                     exp_continue
 290                 }
 291                 -re "${gdb_prompt} $" {
 292                 }
 293             }
 294         }
 295
 296         if {$tp_on_gdb_c_test == 1} {
 297             pass "tracepoint on gdb_c_test"
 298         } else {
 299             fail "tracepoint on gdb_c_test"
 300         }
 301         if {$tp_on_gdb_asm_test == 1} {
 302             pass "tracepoint on gdb_asm_test"
 303         } else {
 304             fail "tracepoint on gdb_asm_test"
 305         }
 306         if {$tp_on_gdb_recursion_test == 1} {
 307             pass "tracepoint on gdb_recursion_test"
 308         } else {
 309             fail "tracepoint on gdb_recursion_test $tp_on_gdb_recursion_test"
 310         }
 311     }
 312 }
 313
 314 # Start and stop the tracing, so that we can save tracepoints
 315 # definitions to trace file.
 316 gdb_test_no_output "tstart" ""
 317 check_tracepoint "live"
 318 gdb_test_no_output "tstop" ""
 319 set tracefile [standard_output_file ${testfile}]
 320 gdb_test "tsave ${tracefile}.tf" \
 321     "Trace data saved to file '${tracefile}.tf'\.\\r" \
 322     "tsave ${testfile}.tf"
 323 gdb_test "tsave -ctf ${tracefile}.ctf" \
 324     "Trace data saved to directory '${tracefile}.ctf'\.\\r" \
 325     "save ctf trace file"
 326
 327 # Restart GDB and read the trace data in tfile target.
 328 gdb_exit
 329 gdb_start
 330 gdb_reinitialize_dir $srcdir/$subdir
 331 gdb_file_cmd $binfile
 332 gdb_test "target tfile ${tracefile}.tf" ".*" \
 333     "change to tfile target"
 334 check_tracepoint "tfile"
 335
 336 # Try to read ctf data if GDB supports.
 337 set gdb_can_read_ctf_data 0
 338 gdb_test_multiple "target ctf" "" {
 339     -re "Undefined target command: \"ctf\"\.  Try \"help target\"\.\r\n$gdb_prompt $" {
 340         set gdb_can_read_ctf_data 0
 341     }
 342     -re "No CTF directory specified.*\r\n$gdb_prompt $" {
 343         set gdb_can_read_ctf_data 1
 344     }
 345 }
 346
 347 if { $gdb_can_read_ctf_data } {
 348     gdb_exit
 349     gdb_start
 350     gdb_reinitialize_dir $srcdir/$subdir
 351     gdb_file_cmd $binfile
 352     gdb_test "target ctf ${tracefile}.ctf" ".*" \
 353         "change to ctf target"
 354     check_tracepoint "ctf"
 355 }