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

   1 # Copyright 2011-2022 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 ![gdb_trace_common_supports_arch] {
  25     unsupported "no trace-common.h support for arch"
  26     return -1
  27 }
  28
  29 if [prepare_for_testing "failed to prepare" $executable $srcfile \
  30         [list debug $additional_flags]] {
  31     return -1
  32 }
  33
  34 if ![runto_main] {
  35     return -1
  36 }
  37
  38 if ![gdb_target_supports_trace] {
  39     unsupported "target does not support trace"
  40     return -1
  41 }
  42
  43 # Set breakpoint and tracepoint at the same address.
  44
  45 proc break_trace_same_addr_1 { trace_type option } \
  46 { with_test_prefix "1 $trace_type $option" \
  47 {
  48     global executable
  49     global hex
  50
  51     # Start with a fresh gdb.
  52     clean_restart ${executable}
  53     if ![runto_main] {
  54         return -1
  55     }
  56
  57     gdb_test_no_output "set breakpoint always-inserted ${option}"
  58
  59     gdb_breakpoint "end" qualified
  60
  61     gdb_breakpoint "set_point" qualified
  62     gdb_test "${trace_type} set_point" "\(Fast t|T\)racepoint \[0-9\] at $hex: file.*"
  63
  64     gdb_test_no_output "tstart"
  65
  66     gdb_test "continue" "Continuing\\.\[ \r\n\]+(Thread .* hit )?Breakpoint.*" \
  67         "continue to set_point"
  68
  69     gdb_test "continue" "Continuing\\.\[ \r\n\]+(Thread .* hit )?Breakpoint.*" \
  70         "continue to end"
  71     gdb_test_no_output "tstop"
  72
  73     gdb_test "tfind" "Found trace frame 0, tracepoint .*" "tfind frame 0"
  74     gdb_test "tfind" "Target failed to find requested trace frame\\..*"
  75 }}
  76
  77 # Set multiple tracepoints at the same address.
  78
  79 proc break_trace_same_addr_2 { trace_type1 trace_type2 option } \
  80 { with_test_prefix "2 $trace_type1 $trace_type2 $option" \
  81 {
  82     global executable
  83     global hex
  84
  85     # Start with a fresh gdb.
  86     clean_restart ${executable}
  87     if ![runto_main] {
  88         return -1
  89     }
  90
  91     gdb_test_no_output "set breakpoint always-inserted ${option}"
  92
  93     gdb_breakpoint "end" qualified
  94
  95     gdb_test "${trace_type1} set_point" \
  96         "\(Fast t|T\)racepoint \[0-9\] at $hex: file.*" \
  97         "${trace_type1} set_point (1)"
  98
  99     gdb_test "${trace_type2} set_point" \
 100         "\(Fast t|T\)racepoint \[0-9\] at $hex: file.*" \
 101         "${trace_type2} set_point (2)"
 102
 103     gdb_test_no_output "tstart"
 104     gdb_test "continue" "Continuing\\.\[ \r\n\]+(Thread .* hit )?Breakpoint.*" \
 105         "continue to end"
 106
 107     gdb_test_no_output "tstop"
 108
 109     gdb_test "tfind" "Found trace frame 0, tracepoint .*" "tfind frame 0"
 110     gdb_test "tfind" "Found trace frame 1, tracepoint .*" "tfind frame 1"
 111     gdb_test "tfind" "Target failed to find requested trace frame\\..*"
 112 }}
 113
 114 # Set breakpoint and tracepoint at the same address.  Delete breakpoint, and verify
 115 # that tracepoint still works.
 116
 117 proc break_trace_same_addr_3 { trace_type option } \
 118 { with_test_prefix "3 $trace_type $option" \
 119 {
 120     global executable
 121     global hex
 122
 123     # Start with a fresh gdb.
 124     clean_restart ${executable}
 125     if ![runto_main] {
 126         return -1
 127     }
 128
 129     gdb_test_no_output "set breakpoint always-inserted ${option}"
 130     gdb_breakpoint "marker" qualified
 131     gdb_breakpoint "end" qualified
 132
 133     gdb_breakpoint "set_point" qualified
 134     gdb_test "${trace_type} set_point" "\(Fast t|T\)racepoint \[0-9\] at $hex: file.*"
 135
 136     gdb_test_no_output "tstart"
 137
 138     gdb_test "continue" "Continuing\\.\[ \r\n\]+(Thread .* hit )?Breakpoint.*" \
 139         "continue to marker"
 140     gdb_test "delete break 4"
 141
 142     gdb_test "continue" "Continuing\\.\[ \r\n\]+(Thread .* hit )?Breakpoint.*" \
 143         "continue to end"
 144     gdb_test_no_output "tstop"
 145
 146     gdb_test "tfind" "Found trace frame 0, tracepoint .*" "tfind frame 0"
 147     gdb_test "tfind" "Target failed to find requested trace frame\\..*"
 148 }}
 149
 150 # Set breakpoint and tracepoint at the same address.  Delete tracepoint, and verify
 151 # that breakpoint still works.
 152
 153 proc break_trace_same_addr_4 { trace_type option } \
 154 { with_test_prefix "4 $trace_type $option" \
 155 {
 156     global executable
 157     global hex
 158
 159
 160     # Start with a fresh gdb.
 161     clean_restart ${executable}
 162     if ![runto_main] {
 163         return -1
 164     }
 165
 166     gdb_test_no_output "set breakpoint always-inserted ${option}"
 167     gdb_breakpoint "marker" qualified
 168     gdb_breakpoint "end" qualified
 169
 170     gdb_breakpoint "set_point" qualified
 171     gdb_test "${trace_type} set_point" "\(Fast t|T\)racepoint \[0-9\] at $hex: file.*"
 172
 173     gdb_test "continue" "Continuing\\.\[ \r\n\]+(Thread .* hit )?Breakpoint.*" \
 174         "continue to marker"
 175     # Delete tracepoint set on set_point.
 176     gdb_test "delete trace 5"
 177
 178     gdb_test "tstart" "No tracepoints defined, not starting trace.*"
 179
 180     gdb_test "continue" "Continuing\\.\[ \r\n\]+(Thread .* hit )?Breakpoint.*" \
 181         "continue to set_point"
 182     gdb_test "continue" "Continuing\\.\[ \r\n\]+(Thread .* hit )?Breakpoint.*" \
 183         "continue to end"
 184     gdb_test "tstop" "Trace is not running.*"
 185
 186     gdb_test "tfind" "Target failed to find requested trace frame\\..*"
 187 }}
 188
 189 # Set two tracepoints TRACE1 and TRACE2 at two locations, and start tracing.
 190 # Then, set tracepoint TRACE3 at either of these two locations.
 191 # TRACE3_AT_FIRST_LOC is a boolean variable to decide insert TRACE3 at which
 192 # of two locations.  Verify  these tracepoints work as expected.
 193
 194 proc break_trace_same_addr_5 { trace1 trace2 trace3 trace3_at_first_loc } \
 195 { with_test_prefix "5 $trace1 $trace2 ${trace3}@${trace3_at_first_loc}" \
 196 {
 197     global executable
 198     global hex
 199     global fpreg
 200     global spreg
 201     global pcreg
 202
 203     # Start with a fresh gdb.
 204     clean_restart ${executable}
 205     if ![runto_main] {
 206         return -1
 207     }
 208
 209     gdb_breakpoint "marker" qualified
 210     gdb_breakpoint "end" qualified
 211
 212     gdb_test "${trace1} set_point" "\(Fast t|T\)racepoint \[0-9\] at $hex: file.*" \
 213         "${trace1} set_point 1"
 214     gdb_trace_setactions "set action for tracepoint 1" "" \
 215         "collect \$$pcreg" "^$"
 216     gdb_test "${trace2} after_set_point" \
 217         "\(Fast t|T\)racepoint \[0-9\] at $hex: file.*" \
 218         "${trace2} after_set_point 1"
 219
 220     gdb_trace_setactions "set action for tracepoint 2" "" \
 221         "collect \$$spreg" "^$"
 222
 223     gdb_test_no_output "tstart"
 224
 225     gdb_test "continue" "Continuing\\.\[ \r\n\]+(Thread .* hit )?Breakpoint.*" \
 226         "continue to marker"
 227
 228     if [string equal $trace3_at_first_loc "1"] {
 229         gdb_test "${trace3} set_point" "\(Fast t|T\)racepoint \[0-9\] at $hex: file.*" \
 230             "${trace3} set_point 2"
 231     } else {
 232         gdb_test "${trace3} after_set_point" \
 233             "\(Fast t|T\)racepoint \[0-9\] at $hex: file.*" \
 234             "${trace2} after_set_point 2"
 235     }
 236     gdb_trace_setactions "set action for tracepoint 3" "" \
 237         "collect \$$fpreg" "^$"
 238
 239     gdb_test "continue" "Continuing\\.\[ \r\n\]+(Thread .* hit )?Breakpoint.*" \
 240         "continue to end"
 241     gdb_test_no_output "tstop"
 242
 243     gdb_test "tfind tracepoint 4" "Found trace frame \[0-9\], tracepoint .*" \
 244         "tfind test frame of tracepoint 4"
 245     gdb_test "tdump" \
 246         "Data collected at tracepoint .*, trace frame \[0-9\]:.*\\$${pcreg} = .*" \
 247         "tdump 1"
 248     gdb_test "tfind 0" "Found trace frame 0, tracepoint .*" \
 249         "reset to frame 0 (1)"
 250     gdb_test "tfind tracepoint 5" "Found trace frame \[0-9\], tracepoint .*" \
 251         "tfind test frame of tracepoint 5"
 252     gdb_test "tdump" \
 253         "Data collected at tracepoint .*, trace frame \[0-9\]:.*\\$${spreg} = .*" \
 254         "tdump 2"
 255     gdb_test "tfind 0" "Found trace frame 0, tracepoint .*" \
 256         "reset to frame 0 (2)"
 257     gdb_test "tfind tracepoint 6" "Found trace frame \[0-9\], tracepoint .*" \
 258         "tfind test frame of tracepoint 6"
 259     gdb_test "tdump" \
 260         "Data collected at tracepoint .*, trace frame \[0-9\]:.*\\$${fpreg} = .*" \
 261         "tdump 3"
 262 }}
 263
 264 # Set two tracepoints at the same address, and enable/disable them.  Verify
 265 # tracepoints work as expect.
 266
 267 proc break_trace_same_addr_6 { trace1 enable1 trace2 enable2 } \
 268 { with_test_prefix "6 $trace1 $enable1 $trace2 $enable2" \
 269 {
 270     global executable
 271     global hex
 272     global gdb_prompt
 273     global spreg
 274     global pcreg
 275
 276     # Start with a fresh gdb.
 277     clean_restart ${executable}
 278     if ![runto_main] {
 279         return -1
 280     }
 281
 282     gdb_breakpoint "marker" qualified
 283     gdb_breakpoint "end" qualified
 284
 285     gdb_test "continue" "Continuing\\.\[ \r\n\]+(Thread .* hit )?Breakpoint.*" \
 286         "continue to marker"
 287
 288     gdb_test "${trace1} set_point" "\(Fast t|T\)racepoint \[0-9\] at $hex: file.*" \
 289         "${trace1} set_point 1"
 290     gdb_trace_setactions "set action for tracepoint 1" "" \
 291         "collect \$$pcreg" "^$"
 292     gdb_test "${trace2} set_point" "\(Fast t|T\)racepoint \[0-9\] at $hex: file.*" \
 293         "${trace2} set_point 2"
 294     gdb_trace_setactions "set action for tracepoint 2" "" \
 295         "collect \$$spreg" "^$"
 296
 297     gdb_test_no_output "$enable1 4"
 298     gdb_test_no_output "$enable2 5"
 299
 300     gdb_test_no_output "tstart"
 301     gdb_test "continue" "Continuing\\.\[ \r\n\]+(Thread .* hit )?Breakpoint.*" \
 302         "continue to end"
 303     gdb_test_no_output "tstop"
 304
 305
 306     if [string equal $enable1 "enable"] {
 307         gdb_test "tfind tracepoint 4" "Found trace frame \[0-9\], tracepoint .*" \
 308             "tfind test frame of tracepoint 4"
 309         gdb_test "tdump" \
 310             "Data collected at tracepoint .*, trace frame \[0-9\]:.*\\$${pcreg} = .*" \
 311             "tdump 1"
 312         gdb_test "tfind 0" "Found trace frame 0, tracepoint .*" \
 313             "reset to frame 0 (1)"
 314     } else {
 315         gdb_test "tfind tracepoint 4" "Target failed to find requested trace frame.*" \
 316             "tfind test frame of tracepoint 4"
 317     }
 318
 319     if [string equal $enable2 "enable"] {
 320         gdb_test "tfind tracepoint 5" "Found trace frame \[0-9\], tracepoint .*" \
 321             "tfind test frame of tracepoint 5"
 322         gdb_test "tdump" \
 323             "Data collected at tracepoint .*, trace frame \[0-9\]:.*\\$${spreg} = .*" \
 324             "tdump 2"
 325         gdb_test "tfind 0" "Found trace frame 0, tracepoint .*" \
 326             "reset to frame 0 (2)"
 327     } else {
 328         gdb_test "tfind tracepoint 5" "Target failed to find requested trace frame.*" \
 329             "tfind test frame of tracepoint 5"
 330     }
 331 }}
 332
 333
 334 foreach break_always_inserted { "on" "off" } {
 335     break_trace_same_addr_1 "trace" ${break_always_inserted}
 336     break_trace_same_addr_2 "trace" "trace" ${break_always_inserted}
 337     break_trace_same_addr_3 "trace" ${break_always_inserted}
 338     break_trace_same_addr_4 "trace" ${break_always_inserted}
 339 }
 340
 341 foreach at_first_loc { "1" "0" } {
 342     break_trace_same_addr_5 "trace" "trace" "trace" ${at_first_loc}
 343 }
 344
 345 break_trace_same_addr_6 "trace" "enable" "trace" "disable"
 346 break_trace_same_addr_6 "trace" "disable" "trace" "enable"
 347
 348 if {[skip_shlib_tests]} {
 349     return 0
 350 }
 351
 352 set libipa [get_in_proc_agent]
 353 set remote_libipa [gdb_load_shlib $libipa]
 354
 355 # Can't use prepare_for_testing, because that splits compiling into
 356 # building objects and then linking, and we'd fail with "linker input
 357 # file unused because linking not done" when building the object.
 358
 359 if { [gdb_compile "$srcdir/$subdir/$srcfile" $binfile \
 360           executable [list debug $additional_flags shlib=$libipa] ] != "" } {
 361     untested "failed to compile"
 362     return -1
 363 }
 364 clean_restart ${executable}
 365
 366 if ![runto_main] {
 367     return 0
 368 }
 369
 370 gdb_reinitialize_dir $srcdir/$subdir
 371 if { [gdb_test "info sharedlibrary" ".*${remote_libipa}.*" "IPA loaded"] != 0 } {
 372     untested "could not find IPA lib loaded"
 373 } else {
 374     foreach break_always_inserted { "on" "off" } {
 375         break_trace_same_addr_1 "ftrace" ${break_always_inserted}
 376         break_trace_same_addr_2 "trace" "ftrace" ${break_always_inserted}
 377         break_trace_same_addr_2 "ftrace" "trace" ${break_always_inserted}
 378         break_trace_same_addr_2 "ftrace" "ftrace" ${break_always_inserted}
 379         break_trace_same_addr_3 "ftrace" ${break_always_inserted}
 380         break_trace_same_addr_4 "ftrace" ${break_always_inserted}
 381     }
 382
 383     foreach trace1 { "trace" "ftrace" } {
 384         foreach trace2 { "trace" "ftrace" } {
 385             foreach trace3 { "trace" "ftrace" } {
 386
 387                 if { [string equal $trace1 "trace"]
 388                      && [string equal $trace2 "trace"]
 389                      && [string equal $trace3 "trace"] } {
 390                     continue
 391                 }
 392
 393                 foreach at_first_loc { "1" "0" } {
 394                     break_trace_same_addr_5 $trace1 $trace2 $trace3 $at_first_loc
 395                 }
 396             }
 397         }
 398     }
 399
 400     foreach trace1 { "trace" "ftrace" } {
 401         foreach trace2 { "trace" "ftrace" } {
 402             if { [string equal $trace1 "trace"]
 403                  && [string equal $trace2 "trace"] } {
 404                     continue
 405                 }
 406             break_trace_same_addr_6 $trace1 "enable" $trace2 "disable"
 407             break_trace_same_addr_6 $trace1 "disable" $trace2 "enable"
 408         }
 409     }
 410 }