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

   1 # Copyright 2011-2016 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\\.\[ \r\n\]+(Thread .* hit )?Breakpoint.*" \
  65         "continue to set_point"
  66
  67     gdb_test "continue" "Continuing\\.\[ \r\n\]+(Thread .* hit )?Breakpoint.*" \
  68         "continue to end"
  69     gdb_test_no_output "tstop"
  70
  71     gdb_test "tfind" "Found trace frame 0, tracepoint .*" "tfind frame 0"
  72     gdb_test "tfind" "Target failed to find requested trace frame\\..*"
  73 }}
  74
  75 # Set multiple tracepoints at the same address.
  76
  77 proc break_trace_same_addr_2 { trace_type1 trace_type2 option } \
  78 { with_test_prefix "2 $trace_type1 $trace_type2 $option" \
  79 {
  80     global executable
  81     global hex
  82
  83     # Start with a fresh gdb.
  84     clean_restart ${executable}
  85     if ![runto_main] {
  86         fail "can't run to main"
  87         return -1
  88     }
  89
  90     gdb_test_no_output "set breakpoint always-inserted ${option}"
  91
  92     gdb_test "break end" "Breakpoint \[0-9\] at $hex: file.*"
  93
  94     gdb_test "${trace_type1} set_point" \
  95         "\(Fast t|T\)racepoint \[0-9\] at $hex: file.*" \
  96         "${trace_type1} set_point (1)"
  97
  98     gdb_test "${trace_type2} set_point" \
  99         "\(Fast t|T\)racepoint \[0-9\] at $hex: file.*" \
 100         "${trace_type2} set_point (2)"
 101
 102     gdb_test_no_output "tstart"
 103     gdb_test "continue" "Continuing\\.\[ \r\n\]+(Thread .* hit )?Breakpoint.*" \
 104         "continue to end"
 105
 106     gdb_test_no_output "tstop"
 107
 108     gdb_test "tfind" "Found trace frame 0, tracepoint .*" "tfind frame 0"
 109     gdb_test "tfind" "Found trace frame 1, tracepoint .*" "tfind frame 1"
 110     gdb_test "tfind" "Target failed to find requested trace frame\\..*"
 111 }}
 112
 113 # Set breakpoint and tracepoint at the same address.  Delete breakpoint, and verify
 114 # that tracepoint still works.
 115
 116 proc break_trace_same_addr_3 { trace_type option } \
 117 { with_test_prefix "3 $trace_type $option" \
 118 {
 119     global executable
 120     global hex
 121
 122     # Start with a fresh gdb.
 123     clean_restart ${executable}
 124     if ![runto_main] {
 125         fail "can't run to main"
 126         return -1
 127     }
 128
 129     gdb_test_no_output "set breakpoint always-inserted ${option}"
 130     gdb_test "break marker" "Breakpoint \[0-9\] at $hex: file.*"
 131     gdb_test "break end" "Breakpoint \[0-9\] at $hex: file.*"
 132
 133     gdb_test "break set_point" "Breakpoint \[0-9\] at $hex: file.*"
 134     gdb_test "${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         fail "can't run to main"
 164         return -1
 165     }
 166
 167     gdb_test_no_output "set breakpoint always-inserted ${option}"
 168     gdb_test "break marker" "Breakpoint \[0-9\] at $hex: file.*"
 169     gdb_test "break end" "Breakpoint \[0-9\] at $hex: file.*"
 170
 171     gdb_test "break set_point" "Breakpoint \[0-9\] at $hex: file.*"
 172     gdb_test "${trace_type} set_point" "\(Fast t|T\)racepoint \[0-9\] at $hex: file.*"
 173
 174     gdb_test "continue" "Continuing\\.\[ \r\n\]+(Thread .* hit )?Breakpoint.*" \
 175         "continue to marker"
 176     # Delete tracepoint set on set_point.
 177     gdb_test "delete trace 5"
 178
 179     gdb_test "tstart" "No tracepoints defined, not starting trace.*"
 180
 181     gdb_test "continue" "Continuing\\.\[ \r\n\]+(Thread .* hit )?Breakpoint.*" \
 182         "continue to set_point"
 183     gdb_test "continue" "Continuing\\.\[ \r\n\]+(Thread .* hit )?Breakpoint.*" \
 184         "continue to end"
 185     gdb_test "tstop" "Trace is not running.*"
 186
 187     gdb_test "tfind" "Target failed to find requested trace frame\\..*"
 188 }}
 189
 190 # Set two tracepoints TRACE1 and TRACE2 at two locations, and start tracing.
 191 # Then, set tracepoint TRACE3 at either of these two locations.
 192 # TRACE3_AT_FIRST_LOC is a boolean variable to decide insert TRACE3 at which
 193 # of two locations.  Verify  these tracepoints work as expected.
 194
 195 proc break_trace_same_addr_5 { trace1 trace2 trace3 trace3_at_first_loc } \
 196 { with_test_prefix "5 $trace1 $trace2 ${trace3}@${trace3_at_first_loc}" \
 197 {
 198     global executable
 199     global hex
 200     global fpreg
 201     global spreg
 202     global pcreg
 203
 204     # Start with a fresh gdb.
 205     clean_restart ${executable}
 206     if ![runto_main] {
 207         fail "can't run to main"
 208         return -1
 209     }
 210
 211     gdb_test "break marker" "Breakpoint \[0-9\] at $hex: file.*"
 212     gdb_test "break end" "Breakpoint \[0-9\] at $hex: file.*"
 213
 214     gdb_test "${trace1} set_point" "\(Fast t|T\)racepoint \[0-9\] at $hex: file.*" \
 215         "${trace1} set_point 1"
 216     gdb_trace_setactions "set action for tracepoint 1" "" \
 217         "collect \$$pcreg" "^$"
 218     gdb_test "${trace2} after_set_point" \
 219         "\(Fast t|T\)racepoint \[0-9\] at $hex: file.*" \
 220         "${trace2} after_set_point 1"
 221
 222     gdb_trace_setactions "set action for tracepoint 2" "" \
 223         "collect \$$spreg" "^$"
 224
 225     gdb_test_no_output "tstart"
 226
 227     gdb_test "continue" "Continuing\\.\[ \r\n\]+(Thread .* hit )?Breakpoint.*" \
 228         "continue to marker"
 229
 230     if [string equal $trace3_at_first_loc "1"] {
 231         gdb_test "${trace3} set_point" "\(Fast t|T\)racepoint \[0-9\] at $hex: file.*" \
 232             "${trace3} set_point 2"
 233     } else {
 234         gdb_test "${trace3} after_set_point" \
 235             "\(Fast t|T\)racepoint \[0-9\] at $hex: file.*" \
 236             "${trace2} after_set_point 2"
 237     }
 238     gdb_trace_setactions "set action for tracepoint 3" "" \
 239         "collect \$$fpreg" "^$"
 240
 241     gdb_test "continue" "Continuing\\.\[ \r\n\]+(Thread .* hit )?Breakpoint.*" \
 242         "continue to end"
 243     gdb_test_no_output "tstop"
 244
 245     gdb_test "tfind tracepoint 4" "Found trace frame \[0-9\], tracepoint .*" \
 246         "tfind test frame of tracepoint 4"
 247     gdb_test "tdump" \
 248         "Data collected at tracepoint .*, trace frame \[0-9\]:.*\\$${pcreg} = .*" \
 249         "tdump 1"
 250     gdb_test "tfind 0" "Found trace frame 0, tracepoint .*" \
 251         "reset to frame 0 (1)"
 252     gdb_test "tfind tracepoint 5" "Found trace frame \[0-9\], tracepoint .*" \
 253         "tfind test frame of tracepoint 5"
 254     gdb_test "tdump" \
 255         "Data collected at tracepoint .*, trace frame \[0-9\]:.*\\$${spreg} = .*" \
 256         "tdump 2"
 257     gdb_test "tfind 0" "Found trace frame 0, tracepoint .*" \
 258         "reset to frame 0 (2)"
 259     gdb_test "tfind tracepoint 6" "Found trace frame \[0-9\], tracepoint .*" \
 260         "tfind test frame of tracepoint 6"
 261     gdb_test "tdump" \
 262         "Data collected at tracepoint .*, trace frame \[0-9\]:.*\\$${fpreg} = .*" \
 263         "tdump 3"
 264 }}
 265
 266 # Set two tracepoints at the same address, and enable/disable them.  Verify
 267 # tracepoints work as expect.
 268
 269 proc break_trace_same_addr_6 { trace1 enable1 trace2 enable2 } \
 270 { with_test_prefix "6 $trace1 $enable1 $trace2 $enable2" \
 271 {
 272     global executable
 273     global hex
 274     global gdb_prompt
 275     global spreg
 276     global pcreg
 277
 278     # Start with a fresh gdb.
 279     clean_restart ${executable}
 280     if ![runto_main] {
 281         fail "can't run to main"
 282         return -1
 283     }
 284
 285     gdb_test "break marker" "Breakpoint \[0-9\] at $hex: file.*"
 286     gdb_test "break end" "Breakpoint \[0-9\] at $hex: file.*"
 287
 288     gdb_test "continue" "Continuing\\.\[ \r\n\]+(Thread .* hit )?Breakpoint.*" \
 289         "continue to marker"
 290
 291     gdb_test "${trace1} set_point" "\(Fast t|T\)racepoint \[0-9\] at $hex: file.*" \
 292         "${trace1} set_point 1"
 293     gdb_trace_setactions "set action for tracepoint 1" "" \
 294         "collect \$$pcreg" "^$"
 295     gdb_test "${trace2} set_point" "\(Fast t|T\)racepoint \[0-9\] at $hex: file.*" \
 296         "${trace2} set_point 2"
 297     gdb_trace_setactions "set action for tracepoint 2" "" \
 298         "collect \$$spreg" "^$"
 299
 300     gdb_test_no_output "$enable1 4"
 301     gdb_test_no_output "$enable2 5"
 302
 303     gdb_test_no_output "tstart"
 304     gdb_test "continue" "Continuing\\.\[ \r\n\]+(Thread .* hit )?Breakpoint.*" \
 305         "continue to end"
 306     gdb_test_no_output "tstop"
 307
 308
 309     if [string equal $enable1 "enable"] {
 310         gdb_test "tfind tracepoint 4" "Found trace frame \[0-9\], tracepoint .*" \
 311             "tfind test frame of tracepoint 4"
 312         gdb_test "tdump" \
 313             "Data collected at tracepoint .*, trace frame \[0-9\]:.*\\$${pcreg} = .*" \
 314             "tdump 1"
 315         gdb_test "tfind 0" "Found trace frame 0, tracepoint .*" \
 316             "reset to frame 0 (1)"
 317     } else {
 318         gdb_test "tfind tracepoint 4" "Target failed to find requested trace frame.*" \
 319             "tfind test frame of tracepoint 4"
 320     }
 321
 322     if [string equal $enable2 "enable"] {
 323         gdb_test "tfind tracepoint 5" "Found trace frame \[0-9\], tracepoint .*" \
 324             "tfind test frame of tracepoint 5"
 325         gdb_test "tdump" \
 326             "Data collected at tracepoint .*, trace frame \[0-9\]:.*\\$${spreg} = .*" \
 327             "tdump 2"
 328         gdb_test "tfind 0" "Found trace frame 0, tracepoint .*" \
 329             "reset to frame 0 (2)"
 330     } else {
 331         gdb_test "tfind tracepoint 5" "Target failed to find requested trace frame.*" \
 332             "tfind test frame of tracepoint 5"
 333     }
 334 }}
 335
 336
 337 foreach break_always_inserted { "on" "off" } {
 338     break_trace_same_addr_1 "trace" ${break_always_inserted}
 339     break_trace_same_addr_2 "trace" "trace" ${break_always_inserted}
 340     break_trace_same_addr_3 "trace" ${break_always_inserted}
 341     break_trace_same_addr_4 "trace" ${break_always_inserted}
 342 }
 343
 344 foreach at_first_loc { "1" "0" } {
 345     break_trace_same_addr_5 "trace" "trace" "trace" ${at_first_loc}
 346 }
 347
 348 break_trace_same_addr_6 "trace" "enable" "trace" "disable"
 349 break_trace_same_addr_6 "trace" "disable" "trace" "enable"
 350
 351 set libipa [get_in_proc_agent]
 352 set remote_libipa [gdb_load_shlib $libipa]
 353
 354 # Can't use prepare_for_testing, because that splits compiling into
 355 # building objects and then linking, and we'd fail with "linker input
 356 # file unused because linking not done" when building the object.
 357
 358 if { [gdb_compile "$srcdir/$subdir/$srcfile" $binfile \
 359           executable [list debug $additional_flags shlib=$libipa] ] != "" } {
 360     untested "failed to compile"
 361     return -1
 362 }
 363 clean_restart ${executable}
 364
 365 if ![runto_main] {
 366     fail "can't run to main for ftrace tests"
 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 }