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

   1 # Copyright 2011-2019 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     fail "can't run to main to check for trace support"
  36     return -1
  37 }
  38
  39 if ![gdb_target_supports_trace] {
  40     unsupported "target does not support trace"
  41     return -1
  42 }
  43
  44 # Set breakpoint and tracepoint at the same address.
  45
  46 proc break_trace_same_addr_1 { trace_type option } \
  47 { with_test_prefix "1 $trace_type $option" \
  48 {
  49     global executable
  50     global hex
  51
  52     # Start with a fresh gdb.
  53     clean_restart ${executable}
  54     if ![runto_main] {
  55         fail "can't run to main"
  56         return -1
  57     }
  58
  59     gdb_test_no_output "set breakpoint always-inserted ${option}"
  60
  61     gdb_breakpoint "end" qualified
  62
  63     gdb_breakpoint "set_point" qualified
  64     gdb_test "${trace_type} set_point" "\(Fast t|T\)racepoint \[0-9\] at $hex: file.*"
  65
  66     gdb_test_no_output "tstart"
  67
  68     gdb_test "continue" "Continuing\\.\[ \r\n\]+(Thread .* hit )?Breakpoint.*" \
  69         "continue to set_point"
  70
  71     gdb_test "continue" "Continuing\\.\[ \r\n\]+(Thread .* hit )?Breakpoint.*" \
  72         "continue to end"
  73     gdb_test_no_output "tstop"
  74
  75     gdb_test "tfind" "Found trace frame 0, tracepoint .*" "tfind frame 0"
  76     gdb_test "tfind" "Target failed to find requested trace frame\\..*"
  77 }}
  78
  79 # Set multiple tracepoints at the same address.
  80
  81 proc break_trace_same_addr_2 { trace_type1 trace_type2 option } \
  82 { with_test_prefix "2 $trace_type1 $trace_type2 $option" \
  83 {
  84     global executable
  85     global hex
  86
  87     # Start with a fresh gdb.
  88     clean_restart ${executable}
  89     if ![runto_main] {
  90         fail "can't run to main"
  91         return -1
  92     }
  93
  94     gdb_test_no_output "set breakpoint always-inserted ${option}"
  95
  96     gdb_breakpoint "end" qualified
  97
  98     gdb_test "${trace_type1} set_point" \
  99         "\(Fast t|T\)racepoint \[0-9\] at $hex: file.*" \
 100         "${trace_type1} set_point (1)"
 101
 102     gdb_test "${trace_type2} set_point" \
 103         "\(Fast t|T\)racepoint \[0-9\] at $hex: file.*" \
 104         "${trace_type2} set_point (2)"
 105
 106     gdb_test_no_output "tstart"
 107     gdb_test "continue" "Continuing\\.\[ \r\n\]+(Thread .* hit )?Breakpoint.*" \
 108         "continue to end"
 109
 110     gdb_test_no_output "tstop"
 111
 112     gdb_test "tfind" "Found trace frame 0, tracepoint .*" "tfind frame 0"
 113     gdb_test "tfind" "Found trace frame 1, tracepoint .*" "tfind frame 1"
 114     gdb_test "tfind" "Target failed to find requested trace frame\\..*"
 115 }}
 116
 117 # Set breakpoint and tracepoint at the same address.  Delete breakpoint, and verify
 118 # that tracepoint still works.
 119
 120 proc break_trace_same_addr_3 { trace_type option } \
 121 { with_test_prefix "3 $trace_type $option" \
 122 {
 123     global executable
 124     global hex
 125
 126     # Start with a fresh gdb.
 127     clean_restart ${executable}
 128     if ![runto_main] {
 129         fail "can't run to main"
 130         return -1
 131     }
 132
 133     gdb_test_no_output "set breakpoint always-inserted ${option}"
 134     gdb_breakpoint "marker" qualified
 135     gdb_breakpoint "end" qualified
 136
 137     gdb_breakpoint "set_point" qualified
 138     gdb_test "${trace_type} set_point" "\(Fast t|T\)racepoint \[0-9\] at $hex: file.*"
 139
 140     gdb_test_no_output "tstart"
 141
 142     gdb_test "continue" "Continuing\\.\[ \r\n\]+(Thread .* hit )?Breakpoint.*" \
 143         "continue to marker"
 144     gdb_test "delete break 4"
 145
 146     gdb_test "continue" "Continuing\\.\[ \r\n\]+(Thread .* hit )?Breakpoint.*" \
 147         "continue to end"
 148     gdb_test_no_output "tstop"
 149
 150     gdb_test "tfind" "Found trace frame 0, tracepoint .*" "tfind frame 0"
 151     gdb_test "tfind" "Target failed to find requested trace frame\\..*"
 152 }}
 153
 154 # Set breakpoint and tracepoint at the same address.  Delete tracepoint, and verify
 155 # that breakpoint still works.
 156
 157 proc break_trace_same_addr_4 { trace_type option } \
 158 { with_test_prefix "4 $trace_type $option" \
 159 {
 160     global executable
 161     global hex
 162
 163
 164     # Start with a fresh gdb.
 165     clean_restart ${executable}
 166     if ![runto_main] {
 167         fail "can't run to main"
 168         return -1
 169     }
 170
 171     gdb_test_no_output "set breakpoint always-inserted ${option}"
 172     gdb_breakpoint "marker" qualified
 173     gdb_breakpoint "end" qualified
 174
 175     gdb_breakpoint "set_point" qualified
 176     gdb_test "${trace_type} set_point" "\(Fast t|T\)racepoint \[0-9\] at $hex: file.*"
 177
 178     gdb_test "continue" "Continuing\\.\[ \r\n\]+(Thread .* hit )?Breakpoint.*" \
 179         "continue to marker"
 180     # Delete tracepoint set on set_point.
 181     gdb_test "delete trace 5"
 182
 183     gdb_test "tstart" "No tracepoints defined, not starting trace.*"
 184
 185     gdb_test "continue" "Continuing\\.\[ \r\n\]+(Thread .* hit )?Breakpoint.*" \
 186         "continue to set_point"
 187     gdb_test "continue" "Continuing\\.\[ \r\n\]+(Thread .* hit )?Breakpoint.*" \
 188         "continue to end"
 189     gdb_test "tstop" "Trace is not running.*"
 190
 191     gdb_test "tfind" "Target failed to find requested trace frame\\..*"
 192 }}
 193
 194 # Set two tracepoints TRACE1 and TRACE2 at two locations, and start tracing.
 195 # Then, set tracepoint TRACE3 at either of these two locations.
 196 # TRACE3_AT_FIRST_LOC is a boolean variable to decide insert TRACE3 at which
 197 # of two locations.  Verify  these tracepoints work as expected.
 198
 199 proc break_trace_same_addr_5 { trace1 trace2 trace3 trace3_at_first_loc } \
 200 { with_test_prefix "5 $trace1 $trace2 ${trace3}@${trace3_at_first_loc}" \
 201 {
 202     global executable
 203     global hex
 204     global fpreg
 205     global spreg
 206     global pcreg
 207
 208     # Start with a fresh gdb.
 209     clean_restart ${executable}
 210     if ![runto_main] {
 211         fail "can't run to main"
 212         return -1
 213     }
 214
 215     gdb_breakpoint "marker" qualified
 216     gdb_breakpoint "end" qualified
 217
 218     gdb_test "${trace1} set_point" "\(Fast t|T\)racepoint \[0-9\] at $hex: file.*" \
 219         "${trace1} set_point 1"
 220     gdb_trace_setactions "set action for tracepoint 1" "" \
 221         "collect \$$pcreg" "^$"
 222     gdb_test "${trace2} after_set_point" \
 223         "\(Fast t|T\)racepoint \[0-9\] at $hex: file.*" \
 224         "${trace2} after_set_point 1"
 225
 226     gdb_trace_setactions "set action for tracepoint 2" "" \
 227         "collect \$$spreg" "^$"
 228
 229     gdb_test_no_output "tstart"
 230
 231     gdb_test "continue" "Continuing\\.\[ \r\n\]+(Thread .* hit )?Breakpoint.*" \
 232         "continue to marker"
 233
 234     if [string equal $trace3_at_first_loc "1"] {
 235         gdb_test "${trace3} set_point" "\(Fast t|T\)racepoint \[0-9\] at $hex: file.*" \
 236             "${trace3} set_point 2"
 237     } else {
 238         gdb_test "${trace3} after_set_point" \
 239             "\(Fast t|T\)racepoint \[0-9\] at $hex: file.*" \
 240             "${trace2} after_set_point 2"
 241     }
 242     gdb_trace_setactions "set action for tracepoint 3" "" \
 243         "collect \$$fpreg" "^$"
 244
 245     gdb_test "continue" "Continuing\\.\[ \r\n\]+(Thread .* hit )?Breakpoint.*" \
 246         "continue to end"
 247     gdb_test_no_output "tstop"
 248
 249     gdb_test "tfind tracepoint 4" "Found trace frame \[0-9\], tracepoint .*" \
 250         "tfind test frame of tracepoint 4"
 251     gdb_test "tdump" \
 252         "Data collected at tracepoint .*, trace frame \[0-9\]:.*\\$${pcreg} = .*" \
 253         "tdump 1"
 254     gdb_test "tfind 0" "Found trace frame 0, tracepoint .*" \
 255         "reset to frame 0 (1)"
 256     gdb_test "tfind tracepoint 5" "Found trace frame \[0-9\], tracepoint .*" \
 257         "tfind test frame of tracepoint 5"
 258     gdb_test "tdump" \
 259         "Data collected at tracepoint .*, trace frame \[0-9\]:.*\\$${spreg} = .*" \
 260         "tdump 2"
 261     gdb_test "tfind 0" "Found trace frame 0, tracepoint .*" \
 262         "reset to frame 0 (2)"
 263     gdb_test "tfind tracepoint 6" "Found trace frame \[0-9\], tracepoint .*" \
 264         "tfind test frame of tracepoint 6"
 265     gdb_test "tdump" \
 266         "Data collected at tracepoint .*, trace frame \[0-9\]:.*\\$${fpreg} = .*" \
 267         "tdump 3"
 268 }}
 269
 270 # Set two tracepoints at the same address, and enable/disable them.  Verify
 271 # tracepoints work as expect.
 272
 273 proc break_trace_same_addr_6 { trace1 enable1 trace2 enable2 } \
 274 { with_test_prefix "6 $trace1 $enable1 $trace2 $enable2" \
 275 {
 276     global executable
 277     global hex
 278     global gdb_prompt
 279     global spreg
 280     global pcreg
 281
 282     # Start with a fresh gdb.
 283     clean_restart ${executable}
 284     if ![runto_main] {
 285         fail "can't run to main"
 286         return -1
 287     }
 288
 289     gdb_breakpoint "marker" qualified
 290     gdb_breakpoint "end" qualified
 291
 292     gdb_test "continue" "Continuing\\.\[ \r\n\]+(Thread .* hit )?Breakpoint.*" \
 293         "continue to marker"
 294
 295     gdb_test "${trace1} set_point" "\(Fast t|T\)racepoint \[0-9\] at $hex: file.*" \
 296         "${trace1} set_point 1"
 297     gdb_trace_setactions "set action for tracepoint 1" "" \
 298         "collect \$$pcreg" "^$"
 299     gdb_test "${trace2} set_point" "\(Fast t|T\)racepoint \[0-9\] at $hex: file.*" \
 300         "${trace2} set_point 2"
 301     gdb_trace_setactions "set action for tracepoint 2" "" \
 302         "collect \$$spreg" "^$"
 303
 304     gdb_test_no_output "$enable1 4"
 305     gdb_test_no_output "$enable2 5"
 306
 307     gdb_test_no_output "tstart"
 308     gdb_test "continue" "Continuing\\.\[ \r\n\]+(Thread .* hit )?Breakpoint.*" \
 309         "continue to end"
 310     gdb_test_no_output "tstop"
 311
 312
 313     if [string equal $enable1 "enable"] {
 314         gdb_test "tfind tracepoint 4" "Found trace frame \[0-9\], tracepoint .*" \
 315             "tfind test frame of tracepoint 4"
 316         gdb_test "tdump" \
 317             "Data collected at tracepoint .*, trace frame \[0-9\]:.*\\$${pcreg} = .*" \
 318             "tdump 1"
 319         gdb_test "tfind 0" "Found trace frame 0, tracepoint .*" \
 320             "reset to frame 0 (1)"
 321     } else {
 322         gdb_test "tfind tracepoint 4" "Target failed to find requested trace frame.*" \
 323             "tfind test frame of tracepoint 4"
 324     }
 325
 326     if [string equal $enable2 "enable"] {
 327         gdb_test "tfind tracepoint 5" "Found trace frame \[0-9\], tracepoint .*" \
 328             "tfind test frame of tracepoint 5"
 329         gdb_test "tdump" \
 330             "Data collected at tracepoint .*, trace frame \[0-9\]:.*\\$${spreg} = .*" \
 331             "tdump 2"
 332         gdb_test "tfind 0" "Found trace frame 0, tracepoint .*" \
 333             "reset to frame 0 (2)"
 334     } else {
 335         gdb_test "tfind tracepoint 5" "Target failed to find requested trace frame.*" \
 336             "tfind test frame of tracepoint 5"
 337     }
 338 }}
 339
 340
 341 foreach break_always_inserted { "on" "off" } {
 342     break_trace_same_addr_1 "trace" ${break_always_inserted}
 343     break_trace_same_addr_2 "trace" "trace" ${break_always_inserted}
 344     break_trace_same_addr_3 "trace" ${break_always_inserted}
 345     break_trace_same_addr_4 "trace" ${break_always_inserted}
 346 }
 347
 348 foreach at_first_loc { "1" "0" } {
 349     break_trace_same_addr_5 "trace" "trace" "trace" ${at_first_loc}
 350 }
 351
 352 break_trace_same_addr_6 "trace" "enable" "trace" "disable"
 353 break_trace_same_addr_6 "trace" "disable" "trace" "enable"
 354
 355 if {[skip_shlib_tests]} {
 356     return 0
 357 }
 358
 359 set libipa [get_in_proc_agent]
 360 set remote_libipa [gdb_load_shlib $libipa]
 361
 362 # Can't use prepare_for_testing, because that splits compiling into
 363 # building objects and then linking, and we'd fail with "linker input
 364 # file unused because linking not done" when building the object.
 365
 366 if { [gdb_compile "$srcdir/$subdir/$srcfile" $binfile \
 367           executable [list debug $additional_flags shlib=$libipa] ] != "" } {
 368     untested "failed to compile"
 369     return -1
 370 }
 371 clean_restart ${executable}
 372
 373 if ![runto_main] {
 374     fail "can't run to main for ftrace tests"
 375     return 0
 376 }
 377
 378 gdb_reinitialize_dir $srcdir/$subdir
 379 if { [gdb_test "info sharedlibrary" ".*${remote_libipa}.*" "IPA loaded"] != 0 } {
 380     untested "could not find IPA lib loaded"
 381 } else {
 382     foreach break_always_inserted { "on" "off" } {
 383         break_trace_same_addr_1 "ftrace" ${break_always_inserted}
 384         break_trace_same_addr_2 "trace" "ftrace" ${break_always_inserted}
 385         break_trace_same_addr_2 "ftrace" "trace" ${break_always_inserted}
 386         break_trace_same_addr_2 "ftrace" "ftrace" ${break_always_inserted}
 387         break_trace_same_addr_3 "ftrace" ${break_always_inserted}
 388         break_trace_same_addr_4 "ftrace" ${break_always_inserted}
 389     }
 390
 391     foreach trace1 { "trace" "ftrace" } {
 392         foreach trace2 { "trace" "ftrace" } {
 393             foreach trace3 { "trace" "ftrace" } {
 394
 395                 if { [string equal $trace1 "trace"]
 396                      && [string equal $trace2 "trace"]
 397                      && [string equal $trace3 "trace"] } {
 398                     continue
 399                 }
 400
 401                 foreach at_first_loc { "1" "0" } {
 402                     break_trace_same_addr_5 $trace1 $trace2 $trace3 $at_first_loc
 403                 }
 404             }
 405         }
 406     }
 407
 408     foreach trace1 { "trace" "ftrace" } {
 409         foreach trace2 { "trace" "ftrace" } {
 410             if { [string equal $trace1 "trace"]
 411                  && [string equal $trace2 "trace"] } {
 412                     continue
 413                 }
 414             break_trace_same_addr_6 $trace1 "enable" $trace2 "disable"
 415             break_trace_same_addr_6 $trace1 "disable" $trace2 "enable"
 416         }
 417     }
 418 }