gdb/testsuite/gdb.trace/trace-break.exp

   1 # Copyright 2011-2024 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 require gdb_trace_common_supports_arch
  25
  26 if [prepare_for_testing "failed to prepare" $executable $srcfile \
  27         [list debug $additional_flags]] {
  28     return -1
  29 }
  30
  31 if ![runto_main] {
  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         return -1
  52     }
  53
  54     gdb_test_no_output "set breakpoint always-inserted ${option}"
  55
  56     gdb_breakpoint "end" qualified
  57
  58     gdb_breakpoint "set_point" qualified
  59     gdb_test "${trace_type} set_point" "\(Fast t|T\)racepoint \[0-9\] at $hex: file.*"
  60
  61     gdb_test_no_output "tstart"
  62
  63     gdb_test "continue" "Continuing\\.\[ \r\n\]+(Thread .* hit )?Breakpoint.*" \
  64         "continue to set_point"
  65
  66     gdb_test "continue" "Continuing\\.\[ \r\n\]+(Thread .* hit )?Breakpoint.*" \
  67         "continue to end"
  68     gdb_test_no_output "tstop"
  69
  70     gdb_test "tfind" "Found trace frame 0, tracepoint .*" "tfind frame 0"
  71     gdb_test "tfind" "Target failed to find requested trace frame\\..*"
  72 }}
  73
  74 # Set multiple tracepoints at the same address.
  75
  76 proc break_trace_same_addr_2 { trace_type1 trace_type2 option } \
  77 { with_test_prefix "2 $trace_type1 $trace_type2 $option" \
  78 {
  79     global executable
  80     global hex
  81
  82     # Start with a fresh gdb.
  83     clean_restart ${executable}
  84     if ![runto_main] {
  85         return -1
  86     }
  87
  88     gdb_test_no_output "set breakpoint always-inserted ${option}"
  89
  90     gdb_breakpoint "end" qualified
  91
  92     gdb_test "${trace_type1} set_point" \
  93         "\(Fast t|T\)racepoint \[0-9\] at $hex: file.*" \
  94         "${trace_type1} set_point, first trace type"
  95
  96     gdb_test "${trace_type2} set_point" \
  97         "\(Fast t|T\)racepoint \[0-9\] at $hex: file.*" \
  98         "${trace_type2} set_point, second trace type"
  99
 100     gdb_test_no_output "tstart"
 101     gdb_test "continue" "Continuing\\.\[ \r\n\]+(Thread .* hit )?Breakpoint.*" \
 102         "continue to end"
 103
 104     gdb_test_no_output "tstop"
 105
 106     gdb_test "tfind" "Found trace frame 0, tracepoint .*" "tfind frame 0"
 107     gdb_test "tfind" "Found trace frame 1, tracepoint .*" "tfind frame 1"
 108     gdb_test "tfind" "Target failed to find requested trace frame\\..*"
 109 }}
 110
 111 # Set breakpoint and tracepoint at the same address.  Delete breakpoint, and verify
 112 # that tracepoint still works.
 113
 114 proc break_trace_same_addr_3 { trace_type option } \
 115 { with_test_prefix "3 $trace_type $option" \
 116 {
 117     global executable
 118     global hex
 119
 120     # Start with a fresh gdb.
 121     clean_restart ${executable}
 122     if ![runto_main] {
 123         return -1
 124     }
 125
 126     gdb_test_no_output "set breakpoint always-inserted ${option}"
 127     gdb_breakpoint "marker" qualified
 128     gdb_breakpoint "end" qualified
 129
 130     gdb_breakpoint "set_point" qualified
 131     gdb_test "${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\\.\[ \r\n\]+(Thread .* hit )?Breakpoint.*" \
 136         "continue to marker"
 137     gdb_test "delete break 4"
 138
 139     gdb_test "continue" "Continuing\\.\[ \r\n\]+(Thread .* hit )?Breakpoint.*" \
 140         "continue to end"
 141     gdb_test_no_output "tstop"
 142
 143     gdb_test "tfind" "Found trace frame 0, tracepoint .*" "tfind frame 0"
 144     gdb_test "tfind" "Target failed to find requested trace frame\\..*"
 145 }}
 146
 147 # Set breakpoint and tracepoint at the same address.  Delete tracepoint, and verify
 148 # that breakpoint still works.
 149
 150 proc break_trace_same_addr_4 { trace_type option } \
 151 { with_test_prefix "4 $trace_type $option" \
 152 {
 153     global executable
 154     global hex
 155
 156
 157     # Start with a fresh gdb.
 158     clean_restart ${executable}
 159     if ![runto_main] {
 160         return -1
 161     }
 162
 163     gdb_test_no_output "set breakpoint always-inserted ${option}"
 164     gdb_breakpoint "marker" qualified
 165     gdb_breakpoint "end" qualified
 166
 167     gdb_breakpoint "set_point" qualified
 168     gdb_test "${trace_type} set_point" "\(Fast t|T\)racepoint \[0-9\] at $hex: file.*"
 169
 170     gdb_test "continue" "Continuing\\.\[ \r\n\]+(Thread .* hit )?Breakpoint.*" \
 171         "continue to marker"
 172     # Delete tracepoint set on set_point.
 173     gdb_test "delete trace 5"
 174
 175     gdb_test "tstart" "No tracepoints defined, not starting trace.*"
 176
 177     gdb_test "continue" "Continuing\\.\[ \r\n\]+(Thread .* hit )?Breakpoint.*" \
 178         "continue to set_point"
 179     gdb_test "continue" "Continuing\\.\[ \r\n\]+(Thread .* hit )?Breakpoint.*" \
 180         "continue to end"
 181     gdb_test "tstop" "Trace is not running.*"
 182
 183     gdb_test "tfind" "Target failed to find requested trace frame\\..*"
 184 }}
 185
 186 # Set two tracepoints TRACE1 and TRACE2 at two locations, and start tracing.
 187 # Then, set tracepoint TRACE3 at either of these two locations.
 188 # TRACE3_AT_FIRST_LOC is a boolean variable to decide insert TRACE3 at which
 189 # of two locations.  Verify  these tracepoints work as expected.
 190
 191 proc break_trace_same_addr_5 { trace1 trace2 trace3 trace3_at_first_loc } \
 192 { with_test_prefix "5 $trace1 $trace2 ${trace3}@${trace3_at_first_loc}" \
 193 {
 194     global executable
 195     global hex
 196     global fpreg
 197     global spreg
 198     global pcreg
 199
 200     # Start with a fresh gdb.
 201     clean_restart ${executable}
 202     if ![runto_main] {
 203         return -1
 204     }
 205
 206     gdb_breakpoint "marker" qualified
 207     gdb_breakpoint "end" qualified
 208
 209     gdb_test "${trace1} set_point" "\(Fast t|T\)racepoint \[0-9\] at $hex: file.*" \
 210         "${trace1} set_point 1"
 211     gdb_trace_setactions "set action for tracepoint 1" "" \
 212         "collect \$$pcreg" "^$"
 213     gdb_test "${trace2} after_set_point" \
 214         "\(Fast t|T\)racepoint \[0-9\] at $hex: file.*" \
 215         "${trace2} after_set_point 1"
 216
 217     gdb_trace_setactions "set action for tracepoint 2" "" \
 218         "collect \$$spreg" "^$"
 219
 220     gdb_test_no_output "tstart"
 221
 222     gdb_test "continue" "Continuing\\.\[ \r\n\]+(Thread .* hit )?Breakpoint.*" \
 223         "continue to marker"
 224
 225     if [string equal $trace3_at_first_loc "1"] {
 226         gdb_test "${trace3} set_point" "\(Fast t|T\)racepoint \[0-9\] at $hex: file.*" \
 227             "${trace3} set_point 2"
 228     } else {
 229         gdb_test "${trace3} after_set_point" \
 230             "\(Fast t|T\)racepoint \[0-9\] at $hex: file.*" \
 231             "${trace2} after_set_point 2"
 232     }
 233     gdb_trace_setactions "set action for tracepoint 3" "" \
 234         "collect \$$fpreg" "^$"
 235
 236     gdb_test "continue" "Continuing\\.\[ \r\n\]+(Thread .* hit )?Breakpoint.*" \
 237         "continue to end"
 238     gdb_test_no_output "tstop"
 239
 240     gdb_test "tfind tracepoint 4" "Found trace frame \[0-9\], tracepoint .*" \
 241         "tfind test frame of tracepoint 4"
 242     gdb_test "tdump" \
 243         "Data collected at tracepoint .*, trace frame \[0-9\]:.*\\$${pcreg} = .*" \
 244         "tdump 1"
 245     gdb_test "tfind 0" "Found trace frame 0, tracepoint .*" \
 246         "reset to frame 0, first time"
 247     gdb_test "tfind tracepoint 5" "Found trace frame \[0-9\], tracepoint .*" \
 248         "tfind test frame of tracepoint 5"
 249     gdb_test "tdump" \
 250         "Data collected at tracepoint .*, trace frame \[0-9\]:.*\\$${spreg} = .*" \
 251         "tdump 2"
 252     gdb_test "tfind 0" "Found trace frame 0, tracepoint .*" \
 253         "reset to frame 0, second time"
 254     gdb_test "tfind tracepoint 6" "Found trace frame \[0-9\], tracepoint .*" \
 255         "tfind test frame of tracepoint 6"
 256     gdb_test "tdump" \
 257         "Data collected at tracepoint .*, trace frame \[0-9\]:.*\\$${fpreg} = .*" \
 258         "tdump 3"
 259 }}
 260
 261 # Set two tracepoints at the same address, and enable/disable them.  Verify
 262 # tracepoints work as expect.
 263
 264 proc break_trace_same_addr_6 { trace1 enable1 trace2 enable2 } \
 265 { with_test_prefix "6 $trace1 $enable1 $trace2 $enable2" \
 266 {
 267     global executable
 268     global hex
 269     global gdb_prompt
 270     global spreg
 271     global pcreg
 272
 273     # Start with a fresh gdb.
 274     clean_restart ${executable}
 275     if ![runto_main] {
 276         return -1
 277     }
 278
 279     gdb_breakpoint "marker" qualified
 280     gdb_breakpoint "end" qualified
 281
 282     gdb_test "continue" "Continuing\\.\[ \r\n\]+(Thread .* hit )?Breakpoint.*" \
 283         "continue to marker"
 284
 285     gdb_test "${trace1} set_point" "\(Fast t|T\)racepoint \[0-9\] at $hex: file.*" \
 286         "${trace1} set_point 1"
 287     gdb_trace_setactions "set action for tracepoint 1" "" \
 288         "collect \$$pcreg" "^$"
 289     gdb_test "${trace2} set_point" "\(Fast t|T\)racepoint \[0-9\] at $hex: file.*" \
 290         "${trace2} set_point 2"
 291     gdb_trace_setactions "set action for tracepoint 2" "" \
 292         "collect \$$spreg" "^$"
 293
 294     gdb_test_no_output "$enable1 4"
 295     gdb_test_no_output "$enable2 5"
 296
 297     gdb_test_no_output "tstart"
 298     gdb_test "continue" "Continuing\\.\[ \r\n\]+(Thread .* hit )?Breakpoint.*" \
 299         "continue to end"
 300     gdb_test_no_output "tstop"
 301
 302
 303     if [string equal $enable1 "enable"] {
 304         gdb_test "tfind tracepoint 4" "Found trace frame \[0-9\], tracepoint .*" \
 305             "tfind test frame of tracepoint 4"
 306         gdb_test "tdump" \
 307             "Data collected at tracepoint .*, trace frame \[0-9\]:.*\\$${pcreg} = .*" \
 308             "tdump 1"
 309         gdb_test "tfind 0" "Found trace frame 0, tracepoint .*" \
 310             "reset to frame 0, first time"
 311     } else {
 312         gdb_test "tfind tracepoint 4" "Target failed to find requested trace frame.*" \
 313             "tfind test frame of tracepoint 4"
 314     }
 315
 316     if [string equal $enable2 "enable"] {
 317         gdb_test "tfind tracepoint 5" "Found trace frame \[0-9\], tracepoint .*" \
 318             "tfind test frame of tracepoint 5"
 319         gdb_test "tdump" \
 320             "Data collected at tracepoint .*, trace frame \[0-9\]:.*\\$${spreg} = .*" \
 321             "tdump 2"
 322         gdb_test "tfind 0" "Found trace frame 0, tracepoint .*" \
 323             "reset to frame 0, second time"
 324     } else {
 325         gdb_test "tfind tracepoint 5" "Target failed to find requested trace frame.*" \
 326             "tfind test frame of tracepoint 5"
 327     }
 328 }}
 329
 330
 331 foreach_with_prefix break_always_inserted { "on" "off" } {
 332     break_trace_same_addr_1 "trace" ${break_always_inserted}
 333     break_trace_same_addr_2 "trace" "trace" ${break_always_inserted}
 334     break_trace_same_addr_3 "trace" ${break_always_inserted}
 335     break_trace_same_addr_4 "trace" ${break_always_inserted}
 336 }
 337
 338 foreach at_first_loc { "1" "0" } {
 339     break_trace_same_addr_5 "trace" "trace" "trace" ${at_first_loc}
 340 }
 341
 342 break_trace_same_addr_6 "trace" "enable" "trace" "disable"
 343 break_trace_same_addr_6 "trace" "disable" "trace" "enable"
 344
 345 require allow_shlib_tests
 346
 347 require allow_in_proc_agent
 348 set libipa [get_in_proc_agent]
 349 set remote_libipa [gdb_load_shlib $libipa]
 350
 351 # Can't use prepare_for_testing, because that splits compiling into
 352 # building objects and then linking, and we'd fail with "linker input
 353 # file unused because linking not done" when building the object.
 354
 355 if { [gdb_compile "$srcdir/$subdir/$srcfile" $binfile \
 356           executable [list debug $additional_flags shlib=$libipa] ] != "" } {
 357     untested "failed to compile"
 358     return -1
 359 }
 360 clean_restart ${executable}
 361
 362 if ![runto_main] {
 363     return 0
 364 }
 365
 366 gdb_reinitialize_dir $srcdir/$subdir
 367 if { [gdb_test "info sharedlibrary" ".*${remote_libipa}.*" "IPA loaded"] != 0 } {
 368     untested "could not find IPA lib loaded"
 369 } else {
 370     foreach break_always_inserted { "on" "off" } {
 371         break_trace_same_addr_1 "ftrace" ${break_always_inserted}
 372         break_trace_same_addr_2 "trace" "ftrace" ${break_always_inserted}
 373         break_trace_same_addr_2 "ftrace" "trace" ${break_always_inserted}
 374         break_trace_same_addr_2 "ftrace" "ftrace" ${break_always_inserted}
 375         break_trace_same_addr_3 "ftrace" ${break_always_inserted}
 376         break_trace_same_addr_4 "ftrace" ${break_always_inserted}
 377     }
 378
 379     foreach trace1 { "trace" "ftrace" } {
 380         foreach trace2 { "trace" "ftrace" } {
 381             foreach trace3 { "trace" "ftrace" } {
 382
 383                 if { [string equal $trace1 "trace"]
 384                      && [string equal $trace2 "trace"]
 385                      && [string equal $trace3 "trace"] } {
 386                     continue
 387                 }
 388
 389                 foreach at_first_loc { "1" "0" } {
 390                     break_trace_same_addr_5 $trace1 $trace2 $trace3 $at_first_loc
 391                 }
 392             }
 393         }
 394     }
 395
 396     foreach trace1 { "trace" "ftrace" } {
 397         foreach trace2 { "trace" "ftrace" } {
 398             if { [string equal $trace1 "trace"]
 399                  && [string equal $trace2 "trace"] } {
 400                     continue
 401                 }
 402             break_trace_same_addr_6 $trace1 "enable" $trace2 "disable"
 403             break_trace_same_addr_6 $trace1 "disable" $trace2 "enable"
 404         }
 405     }
 406 }