gdb/testsuite/gdb.trace/actions.exp

   1 #   Copyright 1998-2024 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 standard_testfile
  21 require gdb_trace_common_supports_arch
  22 if { [gdb_compile "$srcdir/$subdir/$srcfile" $binfile \
  23           executable {debug nowarnings}] != "" } {
  24     untested "failed to compile"
  25     return -1
  26 }
  27
  28 clean_restart
  29 gdb_file_cmd $binfile
  30
  31 # define relative source line numbers:
  32 # all subsequent line numbers are relative to this first one (baseline)
  33
  34 set baseline  [gdb_find_recursion_test_baseline $srcfile]
  35 if {$baseline == -1} {
  36     fail "could not find gdb_recursion_test function"
  37     return
  38 }
  39
  40 set testline1 [expr $baseline + 7]
  41
  42 #
  43 # test actions command
  44 #
  45
  46 gdb_delete_tracepoints
  47 set trcpt1 [gdb_gettpnum gdb_c_test]
  48 set trcpt2 [gdb_gettpnum gdb_asm_test]
  49 set trcpt3 [gdb_gettpnum $testline1]
  50 if {$trcpt1 <= 0 || $trcpt2 <= 0 || $trcpt3 <= 0} {
  51     fail "setting tracepoints"
  52     return
  53 }
  54
  55 # 5.1 actions of specified tracepoint
  56
  57 gdb_test_multiple "info tracepoints" "5.1a: set three tracepoints, no actions" {
  58     -re "Actions for tracepoint \[0-9\]+:.*$gdb_prompt $" {
  59         fail "5.1a: testsuite failure (tracepoint already has action)!"
  60     }
  61     -re "No tracepoints.*$gdb_prompt $" {
  62         fail "5.1a: set three tracepoints, no actions (No tracepoints!)"
  63     }
  64     -re "$gdb_prompt $" {
  65         pass "5.1a: set three tracepoints, no actions"
  66     }
  67 }
  68
  69 gdb_trace_setactions "5.1b: set actions for first tracepoint" \
  70         "$trcpt1" \
  71         "collect gdb_char_test" "^$"
  72
  73 gdb_test "info tracepoints" \
  74     [multi_line \
  75          "Num     Type\[ \]+Disp Enb Address\[ \]+What\\s*" \
  76          "\[0-9\]+\[\t \]+tracepoint     keep y.* in gdb_c_test at .*$srcfile:\[0-9\]+" \
  77          "\[\t \]+collect gdb_char_test" \
  78          "\[\t \]+not installed on target" \
  79          "\[0-9\]+\[\t \]+tracepoint     keep y.* in gdb_asm_test at .*$srcfile:\[0-9\]+" \
  80          "\[\t \]+not installed on target" \
  81          "\[0-9\]+\[\t \]+tracepoint     keep y.* in gdb_recursion_test at .*$srcfile:\[0-9\]+" \
  82          "\[\t \]+not installed on target"] \
  83     "5.1c: verify actions set for first tracepoint"
  84
  85 gdb_trace_setactions "5.1d: set actions for second tracepoint" \
  86         "$trcpt2" \
  87         "collect gdb_short_test" "^$"
  88
  89 gdb_test "info tracepoints" \
  90     [multi_line \
  91          "Num     Type\[ \]+Disp Enb Address\[ \]+What\\s*" \
  92          "\[0-9\]+\[\t \]+tracepoint     keep y.* in gdb_c_test at .*$srcfile:\[0-9\]+" \
  93          "\[\t \]+collect gdb_char_test" \
  94          "\[\t \]+not installed on target" \
  95          "\[0-9\]+\[\t \]+tracepoint     keep y.* in gdb_asm_test at .*$srcfile:\[0-9\]+" \
  96          "\[\t \]+collect gdb_short_test" \
  97          "\[\t \]+not installed on target" \
  98          "\[0-9\]+\[\t \]+tracepoint     keep y.* in gdb_recursion_test at .*$srcfile:\[0-9\]+" \
  99          "\[\t \]+not installed on target"] \
 100     "5.1e: verify actions set for second tracepoint"
 101
 102 gdb_trace_setactions "5.2a: set actions for last (default) tracepoint" \
 103         "" \
 104         "collect gdb_long_test" "^$"
 105
 106 gdb_test "info tracepoints" \
 107     [multi_line \
 108          "Num     Type\[ \]+Disp Enb Address\[ \]+What\\s*" \
 109          "\[0-9\]+\[\t \]+tracepoint     keep y.* in gdb_c_test at .*$srcfile:\[0-9\]+" \
 110          "\[\t \]+collect gdb_char_test" \
 111          "\[\t \]+not installed on target" \
 112          "\[0-9\]+\[\t \]+tracepoint     keep y.* in gdb_asm_test at .*$srcfile:\[0-9\]+" \
 113          "\[\t \]+collect gdb_short_test" \
 114          "\[\t \]+not installed on target" \
 115          "\[0-9\]+\[\t \]+tracepoint     keep y.* in gdb_recursion_test at .*$srcfile:\[0-9\]+" \
 116          "\[\t \]+collect gdb_long_test" \
 117          "\[\t \]+not installed on target"] \
 118     "5.2b: verify actions set for second tracepoint"
 119
 120 # 5.3 replace actions set earlier
 121
 122 gdb_trace_setactions "5.3a: reset actions for first tracepoint" \
 123         "$trcpt1" \
 124         "collect gdb_struct1_test" "^$"
 125
 126 gdb_test "info tracepoints" \
 127     [multi_line \
 128          "Num     Type\[ \]+Disp Enb Address\[ \]+What\\s*" \
 129          "\[0-9\]+\[\t \]+tracepoint     keep y.* in gdb_c_test at .*$srcfile:\[0-9\]+" \
 130          "\[\t \]+collect gdb_struct1_test" \
 131          "\[\t \]+not installed on target" \
 132          "\[0-9\]+\[\t \]+tracepoint     keep y.* in gdb_asm_test at .*$srcfile:\[0-9\]+" \
 133          "\[\t \]+collect gdb_short_test" \
 134          "\[\t \]+not installed on target" \
 135          "\[0-9\]+\[\t \]+tracepoint     keep y.* in gdb_recursion_test at .*$srcfile:\[0-9\]+" \
 136          "\[\t \]+collect gdb_long_test" \
 137          "\[\t \]+not installed on target"] \
 138     "5.3b: verify actions set for first tracepoint"
 139
 140 #
 141 # test end command (all by itself)
 142 #
 143
 144 # 5.4 end outside of context
 145
 146 gdb_test "end" "This command cannot be used at the top level." \
 147                         "5.4: 'end' command out of context"
 148
 149 # 5.5 empty actions (just an end with no other actions)
 150
 151 gdb_trace_setactions "5.5a: set empty actions for first tracepoint" \
 152         "$trcpt1"
 153
 154 gdb_test_multiple "info tracepoints" "5.5c: verify NO actions for first tracepoint" {
 155     -re "No tracepoints.*$gdb_prompt $" {
 156         fail "5.5c: verify NO actions for first tracepoint"
 157     }
 158     -re "Actions for.* $trcpt1:.*$gdb_prompt $" {
 159         fail "5.5c: verify NO actions for first tracepoint"
 160     }
 161     -re "$gdb_prompt $" {
 162         pass "5.5c: verify NO actions for first tracepoint"
 163     }
 164 }
 165
 166 # 5.6 actions for invalid tracepoint number
 167
 168 gdb_test "actions [expr $trcpt2 + $trcpt3]" \
 169     "No tracepoint number [expr $trcpt2 + $trcpt3]." \
 170                         "5.6: actions for invalid tracepoint number"
 171
 172 # 5.7 invalid action (other than 'collect', 'while-stepping' or 'end')
 173 #           "warning: .print gdb_c_test. is not a supported trace.*> $" \
 174
 175 gdb_trace_setactions "5.7: invalid action" \
 176         "$trcpt1" \
 177         "print gdb_c_test" \
 178         "`print gdb_c_test' is not a supported tracepoint action"
 179
 180 # 5.8 help actions (collect, while-stepping, end)
 181
 182 gdb_test "help actions" \
 183     "Specify the actions to be taken at a tracepoint.*" \
 184                         "5.8a: help actions"
 185
 186 gdb_test "help collect" \
 187     "Specify one or more data items to be collected at a tracepoint.*" \
 188                         "5.8b: help collect"
 189
 190 gdb_test "help while-stepping" \
 191     "Specify single-stepping behavior at a tracepoint.*" \
 192                         "5.8c: help while-stepping"
 193
 194 gdb_test "help end" "Ends a list of commands or actions.*" \
 195                         "5.8d: help end"
 196
 197 # 5.9 default-collect
 198
 199 gdb_test_no_output "set default-collect gdb_char_test, gdb_long_test - 100" \
 200     "5.9a: set default-collect"
 201
 202 gdb_test "show default-collect" \
 203     "The list of expressions to collect by default is \"gdb_char_test, gdb_long_test - 100\"..*" \
 204     "5.9b: show default-collect"
 205
 206 gdb_test_no_output "set default-collect" \
 207     "5.9c: set default-collect"
 208
 209 # 5.10 teval
 210
 211 gdb_test "tvariable \$tsv" \
 212   "Trace state variable \\\$tsv created, with initial value 0." \
 213   "create a trace state variable"
 214
 215 gdb_trace_setactions "5.10a: set teval action for first tracepoint" \
 216         "$trcpt1" \
 217         "teval gdb_char_test" "^$"
 218
 219 gdb_trace_setactions "5.10a: set teval action for second tracepoint" \
 220         "$trcpt2" \
 221         "teval \$tsv += 1" "^$"
 222
 223 gdb_test "info tracepoints" \
 224     [multi_line \
 225          "Num     Type\[ \]+Disp Enb Address\[ \]+What\\s*" \
 226          "\[0-9\]+\[\t \]+tracepoint     keep y.* in gdb_c_test at .*$srcfile:\[0-9\]+" \
 227          "\[\t \]+teval gdb_char_test" \
 228          "\[\t \]+not installed on target" \
 229          "\[0-9\]+\[\t \]+tracepoint     keep y.* in gdb_asm_test at .*$srcfile:\[0-9\]+" \
 230          "\[\t \]+teval \\\$tsv \\\+= 1" \
 231          "\[\t \]+not installed on target" \
 232          "\[0-9\]+\[\t \]+tracepoint     keep y.* in gdb_recursion_test at .*$srcfile:\[0-9\]+" \
 233          "\[\t \]+collect gdb_long_test" \
 234          "\[\t \]+not installed on target"] \
 235     "5.10a: verify teval actions set for two tracepoints"
 236
 237 # Load the binary to the target too.
 238 gdb_load $binfile
 239
 240 # Can't use runto_main here, because that would delete the tracepoints
 241 # created above.
 242 gdb_breakpoint "main"
 243 gdb_run_cmd
 244 if {[gdb_test "" "Breakpoint .*" "run to main"] != 0} {
 245     return -1
 246 }
 247
 248 if ![gdb_target_supports_trace] {
 249     unsupported "target does not support trace"
 250     return -1
 251 }
 252
 253 gdb_trace_setactions "set actions for first tracepoint" \
 254     "$trcpt1" \
 255     "collect \$regs" "^$" \
 256     "end" ""
 257
 258 # Check the definition of tracepoints.  These tracepoints may have
 259 # different number in different runs.
 260
 261 proc check_tracepoint { data_source } {
 262     with_test_prefix "$data_source" {
 263         global gdb_prompt
 264         global srcfile
 265
 266         set tp_on_gdb_c_test 0
 267         set tp_on_gdb_asm_test 0
 268         set tp_on_gdb_recursion_test 0
 269
 270         # Since the three tracepoints may appear in different orders, so
 271         # we can't do 'info tracepoints' to match the output.  Instead, we
 272         # show each tracepoint one by one and record the number of each
 273         # tracepoint shown up the output.  Check the number finally.
 274         for {set i 1} {$i < 4} {incr i 1} {
 275             set test "info tracepoints $i"
 276             gdb_test_multiple "info tracepoints $i" $test {
 277                 -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" {
 278                     incr tp_on_gdb_c_test
 279                     exp_continue
 280                 }
 281                 -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" {
 282                     incr tp_on_gdb_asm_test
 283                     exp_continue
 284                 }
 285                 -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" {
 286                     incr tp_on_gdb_recursion_test
 287                     exp_continue
 288                 }
 289                 -re "${gdb_prompt} $" {
 290                 }
 291             }
 292         }
 293
 294         if {$tp_on_gdb_c_test == 1} {
 295             pass "tracepoint on gdb_c_test"
 296         } else {
 297             fail "tracepoint on gdb_c_test"
 298         }
 299         if {$tp_on_gdb_asm_test == 1} {
 300             pass "tracepoint on gdb_asm_test"
 301         } else {
 302             fail "tracepoint on gdb_asm_test"
 303         }
 304         if {$tp_on_gdb_recursion_test == 1} {
 305             pass "tracepoint on gdb_recursion_test"
 306         } else {
 307             fail "tracepoint on gdb_recursion_test $tp_on_gdb_recursion_test"
 308         }
 309     }
 310 }
 311
 312 # Start and stop the tracing, so that we can save tracepoints
 313 # definitions to trace file.
 314 gdb_test_no_output "tstart" ""
 315 check_tracepoint "live"
 316 gdb_test_no_output "tstop" ""
 317 set tracefile [standard_output_file ${testfile}]
 318 gdb_test "tsave ${tracefile}.tf" \
 319     "Trace data saved to file '${tracefile}.tf'\." \
 320     "tsave ${testfile}.tf"
 321 gdb_test "tsave -ctf ${tracefile}.ctf" \
 322     "Trace data saved to directory '${tracefile}.ctf'\\." \
 323     "save ctf trace file"
 324
 325 # Restart GDB and read the trace data in tfile target.
 326 clean_restart
 327 gdb_file_cmd $binfile
 328 gdb_test "target tfile ${tracefile}.tf" ".*" \
 329     "change to tfile target"
 330 check_tracepoint "tfile"
 331
 332 # Try to read ctf data if GDB supports.
 333 set gdb_can_read_ctf_data 0
 334 gdb_test_multiple "target ctf" "" {
 335     -re "Undefined target command: \"ctf\"\.  Try \"help target\"\.\r\n$gdb_prompt $" {
 336         set gdb_can_read_ctf_data 0
 337     }
 338     -re "No CTF directory specified.*\r\n$gdb_prompt $" {
 339         set gdb_can_read_ctf_data 1
 340     }
 341 }
 342
 343 if { $gdb_can_read_ctf_data } {
 344     clean_restart
 345     gdb_file_cmd $binfile
 346     gdb_test "target ctf ${tracefile}.ctf" ".*" \
 347         "change to ctf target"
 348     check_tracepoint "ctf"
 349 }