gdb/testsuite/gdb.trace/change-loc.exp

   1 # Copyright 2011-2015 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 standard_testfile
  22 set libfile1 "change-loc-1"
  23 set libfile2 "change-loc-2"
  24 set executable $testfile
  25 set libsrc1 $srcdir/$subdir/$libfile1.c
  26 set libsrc2 $srcdir/$subdir/$libfile2.c
  27 set lib_sl1 [standard_output_file $libfile1.sl]
  28 set lib_sl2 [standard_output_file $libfile2.sl]
  29
  30 set lib_opts debug
  31
  32 if [get_compiler_info] {
  33     return -1
  34 }
  35
  36 # Some targets have leading underscores on assembly symbols.
  37 set additional_flags [list debug shlib=$lib_sl1 shlib_load [gdb_target_symbol_prefix_flags]]
  38
  39 if { [gdb_compile_shlib $libsrc1 $lib_sl1 $lib_opts] != ""
  40      || [gdb_compile_shlib $libsrc2 $lib_sl2 $lib_opts] != ""
  41      || [gdb_compile $srcdir/$subdir/$srcfile $binfile executable $additional_flags] != ""} {
  42     untested "Could not compile either $libsrc1 or $srcdir/$subdir/$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] } then {
  57     unsupported "Current target does not support trace"
  58     return -1
  59 }
  60
  61 if [is_amd64_regs_target] {
  62     set pcreg "rip"
  63 } elseif [is_x86_like_target] {
  64     set pcreg "eip"
  65 } else {
  66     set pcreg "pc"
  67 }
  68
  69
  70 # Set tracepoint during tracing experiment.
  71
  72 proc tracepoint_change_loc_1 { trace_type } {
  73     with_test_prefix "1 $trace_type" {
  74         global testfile
  75         global srcfile
  76         global pcreg
  77         global gdb_prompt
  78
  79         clean_restart ${testfile}
  80         if ![runto_main] {
  81             fail "Can't run to main"
  82             return -1
  83         }
  84         gdb_test_no_output "delete break 1"
  85
  86         # Set a tracepoint we'll never meet.  Just to avoid the
  87         # complain after type `tstart' later.
  88         gdb_test "next" ".*"
  89         gdb_test "trace main" \
  90             "Tracepoint \[0-9\] at.* file .*$srcfile, line.*" \
  91             "set tracepoint on main"
  92
  93         gdb_test "break marker" \
  94             "Breakpoint.*at.* file .*$srcfile, line.*" \
  95             "breakpoint on marker"
  96
  97         gdb_test_no_output "tstart"
  98
  99         gdb_test "continue" ".*Breakpoint.*marker.*at.*$srcfile.*" \
 100             "continue to marker 1"
 101         # Set a tracepoint during tracing.
 102         set test "set tracepoint on set_tracepoint"
 103         gdb_test_multiple "${trace_type} set_tracepoint" $test {
 104             -re "Target returns error code .* too far .*$gdb_prompt $" {
 105                 if [string equal $trace_type "ftrace"] {
 106                     # The target was unable to install the fast tracepoint
 107                     # (e.g., jump pad too far from tracepoint).
 108                     pass "$test (too far)"
 109                 } else {
 110                     fail $test
 111                 }
 112             }
 113             -re "\r\n$gdb_prompt $" {
 114                 pass $test
 115             }
 116         }
 117
 118         gdb_trace_setactions "set action for tracepoint" "" \
 119             "collect \$$pcreg" "^$"
 120
 121         # tracepoint has two locations after shlib change-loc-1 is loaded.
 122         gdb_test "info trace" \
 123             "Num     Type\[ \]+Disp Enb Address\[ \]+What.*
 124 \[0-9\]+\[\t \]+\(|fast \)tracepoint\[ \]+keep y.*\<MULTIPLE\>.*4\.1.* in func4.*4\.2.* in func4.*" \
 125             "tracepoint with two locations"
 126
 127         set test "continue to marker 2"
 128         gdb_test_multiple "continue" $test {
 129             -re "Target returns error code .* too far .*$gdb_prompt $" {
 130                 if [string equal $trace_type "ftrace"] {
 131                     # Expected if the target was unable to install the
 132                     # fast tracepoint (e.g., jump pad too far from
 133                     # tracepoint).
 134                     pass "$test (too far)"
 135                     # Skip the rest of the tests.
 136                     return
 137                 } else {
 138                     fail "continue to marker 2"
 139                     fail $test
 140                 }
 141
 142             }
 143             -re ".*Breakpoint.*marker.*at.*$srcfile.*$gdb_prompt $" {
 144                 pass "continue to marker 2"
 145             }
 146         }
 147
 148         # tracepoint has three locations after shlib change-loc-2 is
 149         # loaded.
 150         gdb_test "info trace" \
 151             "Num     Type\[ \]+Disp Enb Address\[ \]+What.*
 152 \[0-9\]+\[\t \]+\(|fast \)tracepoint\[ \]+keep y.*\<MULTIPLE\>.*4\.1.* in func4.*4\.2.* in func4.*4\.3.* in func4 .*" \
 153             "tracepoint with three locations"
 154
 155         gdb_test "continue" ".*Breakpoint.*marker.*at.*$srcfile.*" \
 156             "continue to marker 3"
 157
 158         # shlib is unloaded, there are still three locations, but one
 159         # is pending.
 160         gdb_test "info trace" \
 161             "Num     Type\[ \]+Disp Enb Address\[ \]+What.*
 162 \[0-9\]+\[\t \]+\(|fast \)tracepoint\[ \]+keep y.*\<MULTIPLE\>.*
 163 4\.1.* in func4.*\tinstalled on target\r\n(4\.2.* in func4.*\tinstalled on target\r\n4\.3.* \<PENDING\>\[\t \]+set_tracepoint|4\.2.* \<PENDING\>\[\t \]+set_tracepoint.*4\.3.* in func4.*\tinstalled on target).*" \
 164             "tracepoint with two locations (unload)"
 165
 166         gdb_test_no_output "tstop"
 167
 168         gdb_test "tfind" "Found trace frame 0, tracepoint 4.*" \
 169             "tfind frame 0"
 170         gdb_test "tfind" \
 171             "Target failed to find requested trace frame\\..*"
 172     }
 173 }
 174
 175 # Set pending tracepoint.
 176
 177 proc tracepoint_change_loc_2 { trace_type } {
 178     with_test_prefix "2 $trace_type" {
 179         global srcdir
 180         global srcfile
 181         global subdir
 182         global pcreg
 183         global binfile
 184         global gdb_prompt
 185
 186         gdb_exit
 187         gdb_start
 188         gdb_reinitialize_dir $srcdir/$subdir
 189
 190         gdb_test_multiple "${trace_type} set_tracepoint" "set pending tracepoint" {
 191             -re ".*Make \(|fast \)tracepoint pending.*y or \\\[n\\\]. $" {
 192                 gdb_test "y" "\(Fast t|T\)racepoint.*set_tracepoint.*pending." "set pending tracepoint"
 193             }
 194         }
 195
 196         gdb_trace_setactions "set action for tracepoint" "" \
 197             "collect \$$pcreg" "^$"
 198
 199         # tracepoint has no location information now.  Make sure nothing
 200         # else is displayed.
 201         gdb_test "info trace" \
 202             "Num     Type\[ \]+Disp Enb Address\[ \]+What.*
 203 \[0-9\]+\[\t \]+\(|fast \)tracepoint\[ \]+keep y.*PENDING.*set_tracepoint\r\n\[\t \]+collect \\$$pcreg\r" \
 204             "single pending tracepoint info (without symbols)"
 205
 206         gdb_load ${binfile}
 207         # tracepoint has one location after executable is loaded.
 208         gdb_test "info trace" \
 209             "Num     Type\[ \]+Disp Enb Address\[ \]+What.*
 210 \[0-9\]+\[\t \]+\(|fast \)tracepoint\[ \]+keep y.*func4.*" \
 211             "tracepoint with one location"
 212
 213         set main_bp 0
 214         gdb_test_multiple "break main" "set breakpoint on main" {
 215             -re "Breakpoint (\[0-9\]*) at .*, line.*$gdb_prompt $" {
 216                 set main_bp $expect_out(1,string)
 217             }
 218         }
 219         gdb_run_cmd
 220
 221         gdb_test "" \
 222             ".*Breakpoint.*main.*at.*$srcfile.*" \
 223             "run to main"
 224         gdb_test_no_output "delete break $main_bp"
 225
 226         # tracepoint has two locations after shlib change-loc-1 is loaded.
 227         gdb_test "info trace" \
 228             "Num     Type\[ \]+Disp Enb Address\[ \]+What.*
 229 \[0-9\]+\[\t \]+\(|fast \)tracepoint\[ \]+keep y.*\<MULTIPLE\>.*1\.1.* in func4.*1\.2.* in func4.*" \
 230             "tracepoint with two locations"
 231
 232         gdb_test "break marker" "Breakpoint.*at.* file .*$srcfile, line.*" \
 233             "breakpoint on marker"
 234
 235         # tracepoint with two locations will be downloaded and installed.
 236         set test "tstart"
 237         gdb_test_multiple "tstart" $test {
 238             -re "^tstart\r\n$gdb_prompt $" {
 239                 pass "tstart"
 240             }
 241             -re "Target returns error code .* too far .*$gdb_prompt $" {
 242                 if [string equal $trace_type "ftrace"] {
 243                     # The target was unable to install the fast tracepoint
 244                     # (e.g., jump pad too far from tracepoint).
 245                     pass "$test (too far)"
 246                     # Skip the rest of the tests.
 247                     return
 248                 } else {
 249                     fail $test
 250                 }
 251             }
 252         }
 253
 254         gdb_test "continue" ".*Breakpoint.*marker.*at.*$srcfile.*" \
 255             "continue to marker 1"
 256
 257         gdb_test "continue" ".*Breakpoint.*marker.*at.*$srcfile.*" \
 258             "continue to marker 2"
 259
 260         # tracepoint has three locations after shlib change-loc-2 is loaded.
 261         gdb_test "info trace" \
 262             "Num     Type\[ \]+Disp Enb Address\[ \]+What.*
 263 \[0-9\]+\[\t \]+\(|fast \)tracepoint\[ \]+keep y.*\<MULTIPLE\>.*1\.1.* in func4.*1\.2.* in func4.*1\.3.* in func4 .*" \
 264             "tracepoint with three locations"
 265
 266         gdb_test "continue" ".*Breakpoint.*marker.*at.*$srcfile.*" \
 267             "continue to marker 3"
 268
 269         # shlib is unloaded, there are still three locations, but one is pending.
 270         gdb_test "info trace" \
 271             "Num     Type\[ \]+Disp Enb Address\[ \]+What.*
 272 \[0-9\]+\[\t \]+\(|fast \)tracepoint\[ \]+keep y.*\<MULTIPLE\>.*
 273 1\.1.* in func4.*\tinstalled on target\r\n(1\.2.* in func4.*\tinstalled on target\r\n1\.3.* \<PENDING\>\[\t \]+set_tracepoint|1\.2.* \<PENDING\>\[\t \]+set_tracepoint\r\n1\.3.* in func4.*\tinstalled on target).*" \
 274             "tracepoint with two locations (unload)"
 275
 276         gdb_test_no_output "tstop"
 277
 278         gdb_test "tfind" "Found trace frame 0, tracepoint 1.*" "tfind frame 0"
 279         gdb_test "tfind" "Found trace frame 1, tracepoint 1.*" "tfind frame 1"
 280         gdb_test "tfind" "Found trace frame 2, tracepoint 1.*" "tfind frame 2"
 281         gdb_test "tfind" "Target failed to find requested trace frame\\..*"
 282     }
 283 }
 284
 285 # Test that setting a tracepoint while the trace experiment is ongoing
 286 # doesn't work when we force-disable the InstallInTrace RSP feature.
 287
 288 proc tracepoint_install_in_trace_disabled { trace_type } {
 289     with_test_prefix "InstallInTrace disabled: $trace_type" {
 290         global testfile
 291         global srcfile
 292         global pcreg
 293         global gdb_prompt
 294
 295         clean_restart ${testfile}
 296         if ![runto_main] {
 297             fail "Can't run to main"
 298             return -1
 299         }
 300
 301         # This test only makes sense with the remote target.
 302         if ![gdb_is_target_remote] {
 303             return
 304         }
 305
 306         gdb_test_no_output "delete break 1"
 307
 308         # Set a tracepoint we'll never meet.  Just to avoid the
 309         # complain after `tstart' later.
 310         gdb_test "next" ".*"
 311         gdb_test "trace main" \
 312             "Tracepoint \[0-9\] at.* file .*$srcfile, line.*" \
 313             "set tracepoint on main"
 314
 315         gdb_test "break marker" "Breakpoint.*at.* file .*$srcfile, line.*" \
 316             "breakpoint on marker"
 317
 318         gdb_test_no_output "tstart"
 319
 320         # Force-disable the InstallInTrace RSP feature.
 321         gdb_test_no_output "set remote install-in-trace-packet off"
 322
 323         # Set a tracepoint while a trace experiment is ongoing.
 324         gdb_test "${trace_type} set_tracepoint" \
 325             "racepoint .* at .* set_tracepoint.*" \
 326             "set tracepoint on set_tracepoint"
 327
 328         gdb_trace_setactions "set action for tracepoint" "" \
 329             "collect \$$pcreg" "^$"
 330
 331         # Make sure the tracepoint is _not_ installed on the target.
 332         gdb_test "info trace" \
 333             "Num     Type\[ \]+Disp Enb Address\[ \]+What.*
 334 \[0-9\]+\[\t \]+\(|fast \)tracepoint\[ \]+keep y.*installed on target.*\<MULTIPLE\>.*4\.1.* in func4.*not installed on target.*4\.2.* in func4.*not installed on target.*" \
 335             "tracepoint is not installed"
 336
 337         gdb_test "continue" ".*Breakpoint.*marker.*at.*$srcfile.*" \
 338             "continue to marker"
 339
 340         gdb_test_no_output "tstop"
 341
 342         # Nothing should have been collected.
 343         gdb_test "tfind" "Target failed to find requested trace frame\\..*"
 344     }
 345 }
 346
 347 tracepoint_change_loc_1 "trace"
 348 tracepoint_change_loc_2 "trace"
 349 tracepoint_install_in_trace_disabled "trace"
 350
 351 # Re-compile test case with IPA.
 352 set libipa [get_in_proc_agent]
 353 gdb_load_shlibs $libipa
 354
 355 if { [gdb_compile "$srcdir/$subdir/$srcfile" $binfile executable \
 356           [list debug nowarnings shlib=$libipa shlib=$lib_sl1 shlib_load] ] != "" } {
 357     untested change-loc.exp
 358     return -1
 359 }
 360
 361 tracepoint_change_loc_1 "ftrace"
 362 tracepoint_change_loc_2 "ftrace"
 363 tracepoint_install_in_trace_disabled "ftrace"