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