gdb/testsuite/gdb.trace/trace-break.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 standard_testfile
  18 set executable $testfile
  19 set expfile $testfile.exp
  20
  21 # Some targets have leading underscores on assembly symbols.
  22 set additional_flags [gdb_target_symbol_prefix_flags]
  23
  24 if [prepare_for_testing $expfile $executable $srcfile \
  25         [list debug $additional_flags]] {
  26     untested "failed to prepare for trace tests"
  27     return -1
  28 }
  29
  30 if ![runto_main] {
  31     fail "Can't run to main to check for trace support"
  32     return -1
  33 }
  34
  35 if ![gdb_target_supports_trace] {
  36     unsupported "target does not support trace"
  37     return -1
  38 }
  39
  40 # Set breakpoint and tracepoint at the same address.
  41
  42 proc break_trace_same_addr_1 { trace_type option } \
  43 { with_test_prefix "1 $trace_type $option" \
  44 {
  45     global executable
  46     global hex
  47
  48     # Start with a fresh gdb.
  49     clean_restart ${executable}
  50     if ![runto_main] {
  51         fail "Can't run to main"
  52         return -1
  53     }
  54
  55     gdb_test_no_output "set breakpoint always-inserted ${option}"
  56
  57     gdb_test "break end" "Breakpoint \[0-9\] at $hex: file.*"
  58
  59     gdb_test "break set_point" "Breakpoint \[0-9\] at $hex: file.*"
  60     gdb_test "${trace_type} set_point" "\(Fast t|T\)racepoint \[0-9\] at $hex: file.*"
  61
  62     gdb_test_no_output "tstart"
  63
  64     gdb_test "continue" "Continuing\\.\[ \r\n\]+Breakpoint.*" "continue to set_point"
  65
  66     gdb_test "continue" "Continuing\\.\[ \r\n\]+Breakpoint.*" "continue to end"
  67     gdb_test_no_output "tstop"
  68
  69     gdb_test "tfind" "Found trace frame 0, tracepoint .*" "tfind frame 0"
  70     gdb_test "tfind" "Target failed to find requested trace frame\\..*"
  71 }}
  72
  73 # Set multiple tracepoints at the same address.
  74
  75 proc break_trace_same_addr_2 { trace_type1 trace_type2 option } \
  76 { with_test_prefix "2 $trace_type1 $trace_type2 $option" \
  77 {
  78     global executable
  79     global hex
  80
  81     # Start with a fresh gdb.
  82     clean_restart ${executable}
  83     if ![runto_main] {
  84         fail "Can't run to main"
  85         return -1
  86     }
  87
  88     gdb_test_no_output "set breakpoint always-inserted ${option}"
  89
  90     gdb_test "break end" "Breakpoint \[0-9\] at $hex: file.*"
  91
  92     gdb_test "${trace_type1} set_point" \
  93         "\(Fast t|T\)racepoint \[0-9\] at $hex: file.*" \
  94         "${trace_type1} set_point (1)"
  95
  96     gdb_test "${trace_type2} set_point" \
  97         "\(Fast t|T\)racepoint \[0-9\] at $hex: file.*" \
  98         "${trace_type2} set_point (2)"
  99
 100     gdb_test_no_output "tstart"
 101     gdb_test "continue" "Continuing\\.\[ \r\n\]+Breakpoint.*" "continue to end"
 102
 103     gdb_test_no_output "tstop"
 104
 105     gdb_test "tfind" "Found trace frame 0, tracepoint .*" "tfind frame 0"
 106     gdb_test "tfind" "Found trace frame 1, tracepoint .*" "tfind frame 1"
 107     gdb_test "tfind" "Target failed to find requested trace frame\\..*"
 108 }}
 109
 110 # Set breakpoint and tracepoint at the same address.  Delete breakpoint, and verify
 111 # that tracepoint still works.
 112
 113 proc break_trace_same_addr_3 { trace_type option } \
 114 { with_test_prefix "3 $trace_type $option" \
 115 {
 116     global executable
 117     global hex
 118
 119     # Start with a fresh gdb.
 120     clean_restart ${executable}
 121     if ![runto_main] {
 122         fail "Can't run to main"
 123         return -1
 124     }
 125
 126     gdb_test_no_output "set breakpoint always-inserted ${option}"
 127     gdb_test "break marker" "Breakpoint \[0-9\] at $hex: file.*"
 128     gdb_test "break end" "Breakpoint \[0-9\] at $hex: file.*"
 129
 130     gdb_test "break set_point" "Breakpoint \[0-9\] at $hex: file.*"
 131     gdb_test "${trace_type} set_point" "\(Fast t|T\)racepoint \[0-9\] at $hex: file.*"
 132
 133     gdb_test_no_output "tstart"
 134
 135     gdb_test "continue" "Continuing\\.\[ \r\n\]+Breakpoint.*" "continue to marker"
 136     gdb_test "delete break 4"
 137
 138     gdb_test "continue" "Continuing\\.\[ \r\n\]+Breakpoint.*" "continue to end"
 139     gdb_test_no_output "tstop"
 140
 141     gdb_test "tfind" "Found trace frame 0, tracepoint .*" "tfind frame 0"
 142     gdb_test "tfind" "Target failed to find requested trace frame\\..*"
 143 }}
 144
 145 # Set breakpoint and tracepoint at the same address.  Delete tracepoint, and verify
 146 # that breakpoint still works.
 147
 148 proc break_trace_same_addr_4 { trace_type option } \
 149 { with_test_prefix "4 $trace_type $option" \
 150 {
 151     global executable
 152     global hex
 153
 154
 155     # Start with a fresh gdb.
 156     clean_restart ${executable}
 157     if ![runto_main] {
 158         fail "Can't run to main"
 159         return -1
 160     }
 161
 162     gdb_test_no_output "set breakpoint always-inserted ${option}"
 163     gdb_test "break marker" "Breakpoint \[0-9\] at $hex: file.*"
 164     gdb_test "break end" "Breakpoint \[0-9\] at $hex: file.*"
 165
 166     gdb_test "break set_point" "Breakpoint \[0-9\] at $hex: file.*"
 167     gdb_test "${trace_type} set_point" "\(Fast t|T\)racepoint \[0-9\] at $hex: file.*"
 168
 169     gdb_test "continue" "Continuing\\.\[ \r\n\]+Breakpoint.*" "continue to marker"
 170     # Delete tracepoint set on set_point.
 171     gdb_test "delete trace 5"
 172
 173     gdb_test "tstart" "No tracepoints defined, not starting trace.*"
 174
 175     gdb_test "continue" "Continuing\\.\[ \r\n\]+Breakpoint.*" "continue to set_point"
 176     gdb_test "continue" "Continuing\\.\[ \r\n\]+Breakpoint.*" "continue to end"
 177     gdb_test "tstop" "Trace is not running.*"
 178
 179     gdb_test "tfind" "Target failed to find requested trace frame\\..*"
 180 }}
 181
 182 # Set two tracepoints TRACE1 and TRACE2 at two locations, and start tracing.
 183 # Then, set tracepoint TRACE3 at either of these two locations.
 184 # TRACE3_AT_FIRST_LOC is a boolean variable to decide insert TRACE3 at which
 185 # of two locations.  Verify  these tracepoints work as expected.
 186
 187 proc break_trace_same_addr_5 { trace1 trace2 trace3 trace3_at_first_loc } \
 188 { with_test_prefix "5 $trace1 $trace2 ${trace3}@${trace3_at_first_loc}" \
 189 {
 190     global executable
 191     global hex
 192     global fpreg
 193     global spreg
 194     global pcreg
 195
 196     # Start with a fresh gdb.
 197     clean_restart ${executable}
 198     if ![runto_main] {
 199         fail "Can't run to main"
 200         return -1
 201     }
 202
 203     gdb_test "break marker" "Breakpoint \[0-9\] at $hex: file.*"
 204     gdb_test "break end" "Breakpoint \[0-9\] at $hex: file.*"
 205
 206     gdb_test "${trace1} set_point" "\(Fast t|T\)racepoint \[0-9\] at $hex: file.*" \
 207         "${trace1} set_point 1"
 208     gdb_trace_setactions "set action for tracepoint 1" "" \
 209         "collect \$$pcreg" "^$"
 210     gdb_test "${trace2} after_set_point" \
 211         "\(Fast t|T\)racepoint \[0-9\] at $hex: file.*" \
 212         "${trace2} after_set_point 1"
 213
 214     gdb_trace_setactions "set action for tracepoint 2" "" \
 215         "collect \$$spreg" "^$"
 216
 217     gdb_test_no_output "tstart"
 218
 219     gdb_test "continue" "Continuing\\.\[ \r\n\]+Breakpoint.*" "continue to marker"
 220
 221     if [string equal $trace3_at_first_loc "1"] {
 222         gdb_test "${trace3} set_point" "\(Fast t|T\)racepoint \[0-9\] at $hex: file.*" \
 223             "${trace3} set_point 2"
 224     } else {
 225         gdb_test "${trace3} after_set_point" \
 226             "\(Fast t|T\)racepoint \[0-9\] at $hex: file.*" \
 227             "${trace2} after_set_point 2"
 228     }
 229     gdb_trace_setactions "set action for tracepoint 3" "" \
 230         "collect \$$fpreg" "^$"
 231
 232     gdb_test "continue" "Continuing\\.\[ \r\n\]+Breakpoint.*" "continue to end"
 233     gdb_test_no_output "tstop"
 234
 235     gdb_test "tfind tracepoint 4" "Found trace frame \[0-9\], tracepoint .*" \
 236         "tfind test frame of tracepoint 4"
 237     gdb_test "tdump" \
 238         "Data collected at tracepoint .*, trace frame \[0-9\]:.*\\$${pcreg} = .*" \
 239         "tdump 1"
 240     gdb_test "tfind 0" "Found trace frame 0, tracepoint .*" \
 241         "reset to frame 0 (1)"
 242     gdb_test "tfind tracepoint 5" "Found trace frame \[0-9\], tracepoint .*" \
 243         "tfind test frame of tracepoint 5"
 244     gdb_test "tdump" \
 245         "Data collected at tracepoint .*, trace frame \[0-9\]:.*\\$${spreg} = .*" \
 246         "tdump 2"
 247     gdb_test "tfind 0" "Found trace frame 0, tracepoint .*" \
 248         "reset to frame 0 (2)"
 249     gdb_test "tfind tracepoint 6" "Found trace frame \[0-9\], tracepoint .*" \
 250         "tfind test frame of tracepoint 6"
 251     gdb_test "tdump" \
 252         "Data collected at tracepoint .*, trace frame \[0-9\]:.*\\$${fpreg} = .*" \
 253         "tdump 3"
 254 }}
 255
 256 # Set two tracepoints at the same address, and enable/disable them.  Verify
 257 # tracepoints work as expect.
 258
 259 proc break_trace_same_addr_6 { trace1 enable1 trace2 enable2 } \
 260 { with_test_prefix "6 $trace1 $enable1 $trace2 $enable2" \
 261 {
 262     global executable
 263     global hex
 264     global gdb_prompt
 265     global spreg
 266     global pcreg
 267
 268     # Start with a fresh gdb.
 269     clean_restart ${executable}
 270     if ![runto_main] {
 271         fail "Can't run to main"
 272         return -1
 273     }
 274
 275     gdb_test "break marker" "Breakpoint \[0-9\] at $hex: file.*"
 276     gdb_test "break end" "Breakpoint \[0-9\] at $hex: file.*"
 277
 278     gdb_test "continue" "Continuing\\.\[ \r\n\]+Breakpoint.*" "continue to marker"
 279
 280     gdb_test "${trace1} set_point" "\(Fast t|T\)racepoint \[0-9\] at $hex: file.*" \
 281         "${trace1} set_point 1"
 282     gdb_trace_setactions "set action for tracepoint 1" "" \
 283         "collect \$$pcreg" "^$"
 284     gdb_test "${trace2} set_point" "\(Fast t|T\)racepoint \[0-9\] at $hex: file.*" \
 285         "${trace2} set_point 2"
 286     gdb_trace_setactions "set action for tracepoint 2" "" \
 287         "collect \$$spreg" "^$"
 288
 289     gdb_test_no_output "$enable1 4"
 290     gdb_test_no_output "$enable2 5"
 291
 292     gdb_test_no_output "tstart"
 293     gdb_test "continue" "Continuing\\.\[ \r\n\]+Breakpoint.*" "continue to end"
 294     gdb_test_no_output "tstop"
 295
 296
 297     if [string equal $enable1 "enable"] {
 298         gdb_test "tfind tracepoint 4" "Found trace frame \[0-9\], tracepoint .*" \
 299             "tfind test frame of tracepoint 4"
 300         gdb_test "tdump" \
 301             "Data collected at tracepoint .*, trace frame \[0-9\]:.*\\$${pcreg} = .*" \
 302             "tdump 1"
 303         gdb_test "tfind 0" "Found trace frame 0, tracepoint .*" \
 304             "reset to frame 0 (1)"
 305     } else {
 306         gdb_test "tfind tracepoint 4" "Target failed to find requested trace frame.*" \
 307             "tfind test frame of tracepoint 4"
 308     }
 309
 310     if [string equal $enable2 "enable"] {
 311         gdb_test "tfind tracepoint 5" "Found trace frame \[0-9\], tracepoint .*" \
 312             "tfind test frame of tracepoint 5"
 313         gdb_test "tdump" \
 314             "Data collected at tracepoint .*, trace frame \[0-9\]:.*\\$${spreg} = .*" \
 315             "tdump 2"
 316         gdb_test "tfind 0" "Found trace frame 0, tracepoint .*" \
 317             "reset to frame 0 (2)"
 318     } else {
 319         gdb_test "tfind tracepoint 5" "Target failed to find requested trace frame.*" \
 320             "tfind test frame of tracepoint 5"
 321     }
 322 }}
 323
 324
 325 foreach break_always_inserted { "on" "off" } {
 326     break_trace_same_addr_1 "trace" ${break_always_inserted}
 327     break_trace_same_addr_2 "trace" "trace" ${break_always_inserted}
 328     break_trace_same_addr_3 "trace" ${break_always_inserted}
 329     break_trace_same_addr_4 "trace" ${break_always_inserted}
 330 }
 331
 332 foreach at_first_loc { "1" "0" } {
 333     break_trace_same_addr_5 "trace" "trace" "trace" ${at_first_loc}
 334 }
 335
 336 break_trace_same_addr_6 "trace" "enable" "trace" "disable"
 337 break_trace_same_addr_6 "trace" "disable" "trace" "enable"
 338
 339 set libipa [get_in_proc_agent]
 340 gdb_load_shlibs $libipa
 341
 342 # Can't use prepare_for_testing, because that splits compiling into
 343 # building objects and then linking, and we'd fail with "linker input
 344 # file unused because linking not done" when building the object.
 345
 346 if { [gdb_compile "$srcdir/$subdir/$srcfile" $binfile \
 347           executable [list debug $additional_flags shlib=$libipa] ] != "" } {
 348     untested "failed to compile ftrace tests"
 349     return -1
 350 }
 351 clean_restart ${executable}
 352
 353 if ![runto_main] {
 354     fail "Can't run to main for ftrace tests"
 355     return 0
 356 }
 357
 358 gdb_reinitialize_dir $srcdir/$subdir
 359 if { [gdb_test "info sharedlibrary" ".*${libipa}.*" "IPA loaded"] != 0 } {
 360     untested "Could not find IPA lib loaded"
 361 } else {
 362     foreach break_always_inserted { "on" "off" } {
 363         break_trace_same_addr_1 "ftrace" ${break_always_inserted}
 364         break_trace_same_addr_2 "trace" "ftrace" ${break_always_inserted}
 365         break_trace_same_addr_2 "ftrace" "trace" ${break_always_inserted}
 366         break_trace_same_addr_2 "ftrace" "ftrace" ${break_always_inserted}
 367         break_trace_same_addr_3 "ftrace" ${break_always_inserted}
 368         break_trace_same_addr_4 "ftrace" ${break_always_inserted}
 369     }
 370
 371     foreach trace1 { "trace" "ftrace" } {
 372         foreach trace2 { "trace" "ftrace" } {
 373             foreach trace3 { "trace" "ftrace" } {
 374
 375                 if { [string equal $trace1 "trace"]
 376                      && [string equal $trace2 "trace"]
 377                      && [string equal $trace3 "trace"] } {
 378                     continue
 379                 }
 380
 381                 foreach at_first_loc { "1" "0" } {
 382                     break_trace_same_addr_5 $trace1 $trace2 $trace3 $at_first_loc
 383                 }
 384             }
 385         }
 386     }
 387
 388     foreach trace1 { "trace" "ftrace" } {
 389         foreach trace2 { "trace" "ftrace" } {
 390             if { [string equal $trace1 "trace"]
 391                  && [string equal $trace2 "trace"] } {
 392                     continue
 393                 }
 394             break_trace_same_addr_6 $trace1 "enable" $trace2 "disable"
 395             break_trace_same_addr_6 $trace1 "disable" $trace2 "enable"
 396         }
 397     }
 398 }