gdb/testsuite/gdb.trace/pending.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 $tracelevel then {
  18     strace $tracelevel
  19 }
  20
  21 if {[skip_shlib_tests]} {
  22     return 0
  23 }
  24
  25 set testfile "pending"
  26 set libfile1 "pendshr1"
  27 set libfile2 "pendshr2"
  28 set executable $testfile
  29 set srcfile $testfile.c
  30 set libsrc1  $srcdir/$subdir/$libfile1.c
  31 set libsrc2  $srcdir/$subdir/$libfile2.c
  32 set binfile $objdir/$subdir/$testfile
  33 set lib_sl1  $objdir/$subdir/$libfile1.sl
  34 set lib_sl2  $objdir/$subdir/$libfile2.sl
  35
  36 set lib_opts [gdb_target_symbol_prefix_flags]
  37
  38 if { [gdb_compile_shlib $libsrc1 $lib_sl1 $lib_opts] != ""
  39      || [gdb_compile_shlib $libsrc2 $lib_sl2 $lib_opts] != ""} {
  40     untested "Could not compile either $libsrc1 or $libsrc2"
  41     return -1
  42 }
  43
  44 set exec_opts [list debug shlib=$lib_sl1 shlib_load]
  45 if { [gdb_compile $srcdir/$subdir/$srcfile $binfile executable $exec_opts] != "" } {
  46     untested "Failed to compile $srcfile"
  47     return -1
  48 }
  49
  50 clean_restart $executable
  51
  52 gdb_load_shlibs $lib_sl1
  53 gdb_load_shlibs $lib_sl2
  54
  55 if ![runto_main] {
  56     fail "Can't run to main to check for trace support"
  57     return -1
  58 }
  59
  60 if ![gdb_target_supports_trace] {
  61     unsupported "Current target does not support trace"
  62     return -1;
  63 }
  64
  65 # Verify pending tracepoint is resolved to running to main.
  66
  67 proc pending_tracepoint_resolved { trace_type } {
  68     global srcdir
  69     global subdir
  70     global binfile
  71     global srcfile
  72     global lib_sl1
  73     global pf_prefix
  74
  75     set old_pf_prefix $pf_prefix
  76     lappend pf_prefix "$trace_type" "resolved:"
  77
  78     # Start with a fresh gdb.
  79     gdb_exit
  80     gdb_start
  81     gdb_reinitialize_dir $srcdir/$subdir
  82
  83     gdb_test_multiple "$trace_type set_point1" "set pending tracepoint" {
  84         -re ".*Make \(fast |\)tracepoint pending.*y or \\\[n\\\]. $" {
  85             gdb_test "y" "\(Fast t|T\)racepoint.*set_point1.*pending." \
  86                 "set pending tracepoint (without symbols)"
  87         }
  88     }
  89
  90     gdb_test "info trace" \
  91         "Num     Type\[ \]+Disp Enb Address\[ \]+What.*
  92 \[0-9\]+\[\t \]+\(fast |\)tracepoint\[ \]+keep y.*PENDING.*set_point1.*" \
  93         "single pending tracepoint info (without symbols)"
  94
  95     gdb_load ${binfile}
  96
  97     gdb_test "break main" "Breakpoint.*at.* file .*$srcfile, line.*" \
  98         "breakpoint function"
  99
 100     gdb_run_cmd
 101     gdb_test "" "Breakpoint 2, main.*"
 102
 103     # Run to main which should resolve a pending tracepoint
 104     gdb_test "info trace" \
 105         "Num     Type\[ \]+Disp Enb Address\[ \]+What.*
 106 \[0-9\]+\[\t \]+\(fast |\)tracepoint\[ \]+keep y.*pendfunc.*" \
 107         "single tracepoint info"
 108
 109     set pf_prefix $old_pf_prefix
 110 }
 111
 112 # Verify pending tracepoint is resolved and works as expected.
 113
 114 proc pending_tracepoint_works { trace_type } {
 115     global executable
 116     global srcfile
 117     global lib_sl1
 118     global pf_prefix
 119     global gdb_prompt
 120
 121     set old_pf_prefix $pf_prefix
 122     lappend pf_prefix "$trace_type" "works:"
 123
 124     # Restart with a fresh gdb.
 125     clean_restart $executable
 126
 127     # Test setting and querying pending tracepoints
 128
 129     gdb_test_multiple "$trace_type set_point1" "set pending tracepoint" {
 130         -re ".*Make \(fast |\)tracepoint pending.*y or \\\[n\\\]. $" {
 131             gdb_test "y" "\(Fast t|T\)racepoint.*set_point1.*pending." "set pending tracepoint"
 132         }
 133     }
 134
 135     gdb_test "info trace" \
 136         "Num     Type\[ \]+Disp Enb Address\[ \]+What.*
 137 \[0-9\]+\[\t \]+\(fast |\)tracepoint\[ \]+keep y.*PENDING.*set_point1.*" \
 138         "single pending tracepoint info"
 139
 140     # Run to main which should resolve a pending tracepoint
 141     gdb_test "break main" "Breakpoint.*at.* file .*$srcfile, line.*" \
 142         "breakpoint function"
 143     gdb_run_cmd
 144     gdb_test "" "Breakpoint 2, main.*"
 145
 146     gdb_test "break marker" "Breakpoint.*at.* file .*$srcfile, line.*" \
 147         "breakpoint on marker"
 148
 149     gdb_test_no_output "tstart" "start trace experiment"
 150
 151     gdb_test_multiple "continue" "continue to marker" {
 152         -re "Continuing.\r\n\r\nBreakpoint.*marker.*at.*$srcfile.*$gdb_prompt $" {
 153             pass "continue to marker"
 154         }
 155         -re ".*$gdb_prompt $" {
 156             kfail "gdb/13392" "continue to marker"
 157             set pf_prefix $old_pf_prefix
 158             return
 159         }
 160     }
 161
 162     gdb_test "tstop" "\[\r\n\]+" "stop trace experiment"
 163
 164     gdb_test "tfind start" "#0 .*" "tfind test frame 0"
 165     gdb_test "tfind" "Found trace frame 1, tracepoint 1.*" "tfind test frame 1"
 166     gdb_test "tfind" "Found trace frame 2, tracepoint 1.*" "tfind test frame 2"
 167     gdb_test "tfind" "Target failed to find requested trace frame..*" "tfind test frame"
 168
 169     set pf_prefix $old_pf_prefix
 170 }
 171
 172 # Verify pending tracepoint is resolved during trace.
 173
 174 proc pending_tracepoint_resolved_during_trace { trace_type } {
 175     global executable
 176     global srcfile
 177     global gdb_prompt
 178     global lib_sl1
 179     global pf_prefix
 180
 181     set old_pf_prefix $pf_prefix
 182     lappend pf_prefix "$trace_type" "resolved_in_trace:"
 183
 184     # Start with a fresh gdb.
 185     clean_restart $executable
 186     if ![runto_main] {
 187         fail "Can't run to main"
 188         set pf_prefix $old_pf_prefix
 189         return -1
 190     }
 191
 192     gdb_test_multiple "$trace_type set_point2" "set pending tracepoint on set_point2" {
 193         -re ".*Make \(fast |\)tracepoint pending.*y or \\\[n\\\]. $" {
 194             gdb_test "y" "\(Fast t|T\)racepoint.*set_point2.*pending." \
 195                 "set pending tracepoint (without symbols)"
 196         }
 197     }
 198
 199     gdb_test "info trace" \
 200         "Num     Type\[ \]+Disp Enb Address\[ \]+What.*
 201 \[0-9\]+\[\t \]+\(fast |\)tracepoint\[ \]+keep y.*PENDING.*set_point2.*" \
 202         "single pending tracepoint on set_point2"
 203
 204     gdb_test "break marker" "Breakpoint.*at.* file .*$srcfile, line.*" \
 205         "breakpoint on marker"
 206
 207     gdb_test_no_output "tstart" "start trace experiment"
 208
 209     gdb_test "continue" "Continuing.\r\n\r\nBreakpoint.*marker.*at.*pending.c.*" \
 210         "continue to marker 1"
 211
 212     gdb_test_multiple "continue" "continue to marker 2" {
 213         -re "Continuing.\r\n\r\nBreakpoint.*marker.*at.*$srcfile.*$gdb_prompt $" {
 214             pass "continue to marker 2"
 215         }
 216         -re ".*$gdb_prompt $" {
 217             kfail "gdb/13392" "continue to marker 2"
 218             set pf_prefix $old_pf_prefix
 219             return
 220         }
 221     }
 222
 223     gdb_test "tstop" "\[\r\n\]+" "stop trace experiment"
 224
 225     # tracepoint should be resolved.
 226     gdb_test "info trace" \
 227         "Num     Type\[ \]+Disp Enb Address\[ \]+What.*
 228 \[0-9\]+\[\t \]+\(fast |\)tracepoint\[ \]+keep y.*pendfunc2.*" \
 229         "tracepoint is resolved"
 230
 231     gdb_test "tfind start" "#0 .*" "tfind test frame 0"
 232     gdb_test "tfind" "Target failed to find requested trace frame..*" "tfind test frame"
 233
 234     set pf_prefix $old_pf_prefix
 235 }
 236
 237 # Verify pending tracepoint is resolved and installed during trace.
 238
 239 proc pending_tracepoint_installed_during_trace { trace_type } {
 240     global executable
 241     global srcfile
 242     global lib_sl1
 243     global gdb_prompt
 244     global pf_prefix
 245     global hex
 246
 247     set old_pf_prefix $pf_prefix
 248     lappend pf_prefix "$trace_type" "installed_in_trace:"
 249
 250     # Start with a fresh gdb.
 251     clean_restart $executable
 252     if ![runto_main] {
 253         fail "Can't run to main"
 254         set pf_prefix $old_pf_prefix
 255         return -1
 256     }
 257
 258     gdb_test "next" ".*"
 259     gdb_test "trace main" "Tracepoint \[0-9\] at .*" "set tracepoint on main"
 260
 261     gdb_test "break marker" "Breakpoint.*at.* file .*$srcfile, line.*" \
 262         "breakpoint on marker"
 263
 264     gdb_test_no_output "tstart" "start trace experiment"
 265
 266     gdb_test "continue" "Continuing.\r\n\r\nBreakpoint.*marker.*at.*${srcfile}.*" \
 267         "continue to marker 1"
 268
 269     # Set a pending tracepoint during a tracing experiment.
 270     gdb_test_multiple "$trace_type set_point2" "set pending tracepoint on set_point2" {
 271         -re ".*Make \(fast |\)tracepoint pending.*y or \\\[n\\\]. $" {
 272             gdb_test "y" "\(Fast t|T\)racepoint.*set_point2.*pending." \
 273                 "set pending tracepoint"
 274         }
 275     }
 276
 277     gdb_test "info trace" \
 278         "Num     Type\[ \]+Disp Enb Address\[ \]+What.*
 279 \[0-9\]+\[\t \]+\(fast |\)tracepoint\[ \t\]+keep y.*PENDING.*set_point2.*" \
 280         "single pending tracepoint on set_point2"
 281
 282     gdb_test_multiple "continue" "continue to marker 2" {
 283         -re "Continuing.\r\n\r\nBreakpoint.*marker.*at.*$srcfile.*$gdb_prompt $" {
 284             pass "continue to marker 2"
 285         }
 286         -re ".*$gdb_prompt $" {
 287             kfail "gdb/13392" "continue to marker 2"
 288             set pf_prefix $old_pf_prefix
 289             return
 290         }
 291     }
 292
 293     gdb_test "tstop" "\[\r\n\]+" "stop trace experiment"
 294
 295     # tracepoint should be resolved.
 296     gdb_test "info trace" \
 297         "Num     Type\[ \]+Disp Enb Address\[ \]+What.*
 298 \[0-9\]+\[\t \]+\(fast |\)tracepoint\[ \]+keep y.*pendfunc2.*" \
 299         "tracepoint is resolved"
 300
 301     gdb_test "tfind start" "#0  $hex in pendfunc2 .*" "tfind test frame 0"
 302     gdb_test "tfind" "Target failed to find requested trace frame..*" "tfind test frame"
 303
 304     set pf_prefix $old_pf_prefix
 305 }
 306
 307
 308 # Verify pending tracepoint will no longer work if we disconnect during tracing.
 309
 310 proc pending_tracepoint_disconnect_during_trace { trace_type } {
 311     global executable
 312     global srcfile
 313     global lib_sl1
 314     global pf_prefix
 315     global gdb_prompt
 316
 317     set old_pf_prefix $pf_prefix
 318     lappend pf_prefix "$trace_type" "disconn:"
 319
 320     # Start with a fresh gdb.
 321     clean_restart $executable
 322     if ![runto_main] {
 323         fail "Can't run to main"
 324         set pf_prefix $old_pf_prefix
 325         return -1
 326     }
 327
 328     gdb_test_multiple "trace pendfunc3" "set pending tracepoint on set_point2" {
 329         -re ".*Make \(fast |\)tracepoint pending.*y or \\\[n\\\]. $" {
 330             gdb_test "y" "\(Fast t|T\)racepoint.*pendfunc3.*pending." \
 331                 "set pending tracepoint on pendfun3"
 332         }
 333     }
 334
 335     gdb_test "break marker" "Breakpoint.*at.* file .*$srcfile, line.*" \
 336         "breakpoint on marker"
 337
 338     gdb_test_no_output "tstart" "start trace experiment"
 339
 340     gdb_test "continue" "Continuing.\r\n\r\nBreakpoint.*marker.*at.*pending.c.*" \
 341         "continue to marker"
 342
 343     set test "disconnect with pending tracepoint"
 344     gdb_test_multiple "disconnect" $test {
 345        -re "warning: Pending tracepoints will not be resolved while GDB is disconnected.*Trace is running but will stop on detach; detach anyway\\? \\(y or n\\) $" {
 346            pass $test
 347
 348            set test "disconnected"
 349            gdb_test_multiple "y" $test {
 350                -re "$gdb_prompt $" {
 351                    pass "$test"
 352                }
 353            }
 354        }
 355     }
 356
 357     set pf_prefix $old_pf_prefix
 358 }
 359
 360
 361 # Verify disconnect after pending tracepoint has been resolved.
 362
 363 proc pending_tracepoint_disconnect_after_resolved { trace_type } {
 364     global executable
 365     global srcfile
 366     global lib_sl1
 367     global gdb_prompt
 368     global pf_prefix
 369
 370     set old_pf_prefix $pf_prefix
 371     lappend pf_prefix "$trace_type" "disconn_resolved:"
 372
 373     # Start with a fresh gdb.
 374     clean_restart $executable
 375     if ![runto_main] {
 376         fail "Can't run to main"
 377         set pf_prefix $old_pf_prefix
 378         return -1
 379     }
 380
 381     gdb_test_multiple "trace set_point2" "set pending tracepoint on set_point2" {
 382         -re ".*Make \(fast |\)tracepoint pending.*y or \\\[n\\\]. $" {
 383             gdb_test "y" "\(Fast t|T\)racepoint.*set_point2.*pending." \
 384                 "set pending tracepoint on pendfun2"
 385         }
 386     }
 387
 388     gdb_test "break marker" "Breakpoint.*at.* file .*$srcfile, line.*" \
 389         "breakpoint on marker"
 390
 391     gdb_test_no_output "tstart" "start trace experiment"
 392
 393     gdb_test "continue" "Continuing.\r\n\r\nBreakpoint.*marker.*at.*pending.c.*" \
 394         "continue to marker 1"
 395     gdb_test "continue" "Continuing.\r\n\r\nBreakpoint.*marker.*at.*pending.c.*" \
 396         "continue to marker 2"
 397
 398     # There should be no pending tracepoint, so no warning should be emitted.
 399     set test "disconnect with resolved tracepoint"
 400     gdb_test_multiple "disconnect" $test {
 401         -re "warning: Pending tracepoints will not be resolved while GDB is disconnected.*Trace is running but will stop on detach; detach anyway\\? \\(y or n\\) $" {
 402             fail $test
 403         }
 404         -re "Trace is running but will stop on detach; detach anyway\\? \\(y or n\\) $" {
 405             pass $test
 406         }
 407     }
 408     set test "disconnected"
 409     gdb_test_multiple "y" $test {
 410         -re "$gdb_prompt $" {
 411             pass "$test"
 412         }
 413     }
 414
 415     set pf_prefix $old_pf_prefix
 416 }
 417
 418 # Verify action works properly in resolved tracepoint.
 419
 420 proc pending_tracepoint_with_action_resolved { trace_type } {
 421     global executable
 422     global srcfile
 423     global lib_sl1
 424     global gdb_prompt
 425     global pf_prefix
 426
 427     set old_pf_prefix $pf_prefix
 428     lappend pf_prefix "$trace_type" "action_resolved:"
 429
 430     # Start with a fresh gdb.
 431     clean_restart $executable
 432     if ![runto_main] {
 433         fail "Can't run to main"
 434         set pf_prefix $old_pf_prefix
 435         return -1
 436     }
 437
 438     gdb_test_multiple "$trace_type set_point2" "set pending tracepoint on set_point2" {
 439         -re ".*Make \(fast |\)tracepoint pending.*y or \\\[n\\\]. $" {
 440             gdb_test "y" "\(Fast t|T\)racepoint.*set_point2.*pending." \
 441                 "set pending tracepoint (without symbols)"
 442         }
 443     }
 444
 445     set pcreg "pc"
 446     if [is_amd64_regs_target] {
 447         set pcreg "rip"
 448     } elseif [is_x86_like_target] {
 449         set pcreg "eip"
 450     }
 451
 452     gdb_trace_setactions "set action for pending tracepoint" "" \
 453         "collect \$$pcreg" "^$"
 454
 455     gdb_test "info trace" \
 456         "Num     Type\[ \]+Disp Enb Address\[ \]+What.*
 457 \[0-9\]+\[\t \]+\(fast |\)tracepoint\[ \]+keep y.*PENDING.*set_point2.*" \
 458         "single pending tracepoint on set_point2"
 459
 460     gdb_test "break marker" "Breakpoint.*at.* file .*$srcfile, line.*" \
 461         "breakpoint on marker"
 462
 463     gdb_test_no_output "tstart" "start trace experiment"
 464
 465     gdb_test "continue" "Continuing.\r\n\r\nBreakpoint.*marker.*at.*pending.c.*" \
 466         "continue to marker 1"
 467
 468     gdb_test_multiple "continue" "continue to marker 2" {
 469         -re "Continuing.\r\n\r\nBreakpoint.*marker.*at.*$srcfile.*$gdb_prompt $" {
 470             pass "continue to marker 2"
 471         }
 472         -re ".*$gdb_prompt $" {
 473             kfail "gdb/13392" "continue to marker 2"
 474             set pf_prefix $old_pf_prefix
 475             return
 476         }
 477     }
 478
 479     gdb_test "tstop" "\[\r\n\]+" "stop trace experiment"
 480
 481     # tracepoint should be resolved.
 482     gdb_test "info trace" \
 483         "Num     Type\[ \]+Disp Enb Address\[ \]+What.*
 484 \[0-9\]+\[\t \]+\(fast |\)tracepoint\[ \]+keep y.*pendfunc2.*" \
 485         "tracepoint is resolved"
 486
 487     gdb_test "tfind start" "#0 .*" "tfind test frame 0"
 488     gdb_test "tdump" "Data collected at tracepoint .*, trace frame \[0-9\]:.*\\$${pcreg} = .*"
 489     gdb_test "tfind" "Target failed to find requested trace frame..*" "tfind test frame"
 490
 491     set pf_prefix $old_pf_prefix
 492 }
 493
 494 pending_tracepoint_resolved "trace"
 495
 496 pending_tracepoint_works "trace"
 497
 498 pending_tracepoint_resolved_during_trace "trace"
 499
 500 pending_tracepoint_disconnect_during_trace "trace"
 501
 502 pending_tracepoint_disconnect_after_resolved "trace"
 503
 504 pending_tracepoint_with_action_resolved "trace"
 505
 506 pending_tracepoint_installed_during_trace "trace"
 507
 508 # Re-compile test case with IPA.
 509 set libipa $objdir/../gdbserver/libinproctrace.so
 510 gdb_load_shlibs $libipa
 511
 512 lappend exec_opts "shlib=$libipa"
 513
 514 if { [gdb_compile $srcdir/$subdir/$srcfile $binfile executable $exec_opts] != "" } {
 515     untested "Failed to compile $srcfile"
 516     return -1
 517 }
 518
 519 pending_tracepoint_resolved "ftrace"
 520 pending_tracepoint_works "ftrace"
 521 pending_tracepoint_resolved_during_trace "ftrace"
 522 pending_tracepoint_disconnect_during_trace "ftrace"
 523 pending_tracepoint_disconnect_after_resolved "ftrace"
 524 pending_tracepoint_with_action_resolved "ftrace"
 525 pending_tracepoint_installed_during_trace "ftrace"