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