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

   1 # Copyright 2011 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 set testfile "trace-break"
  18 set executable $testfile
  19 set srcfile $testfile.c
  20 set binfile $objdir/$subdir/$testfile
  21 set expfile $testfile.exp
  22
  23 # Some targets have leading underscores on assembly symbols.
  24 set additional_flags [gdb_target_symbol_prefix_flags]
  25
  26 if [prepare_for_testing $expfile $executable $srcfile \
  27         [list debug $additional_flags]] {
  28     untested "failed to prepare for trace tests"
  29     return -1
  30 }
  31
  32 if ![runto_main] {
  33     fail "Can't run to main to check for trace support"
  34     return -1
  35 }
  36
  37 if ![gdb_target_supports_trace] {
  38     unsupported "target does not support trace"
  39     return -1;
  40 }
  41
  42 set fpreg "fp"
  43 set spreg "sp"
  44 set pcreg "pc"
  45
  46 if [is_amd64_regs_target] {
  47     set fpreg "rbp"
  48     set spreg "rsp"
  49     set pcreg "rip"
  50 } elseif [is_x86_like_target] {
  51     set fpreg "ebp"
  52     set spreg "esp"
  53     set pcreg "eip"
  54 }
  55
  56 # Set breakpoint and tracepoint at the same address.
  57
  58 proc break_trace_same_addr_1 { trace_type option } {
  59     global executable
  60     global pf_prefix
  61     global hex
  62
  63     set old_pf_prefix $pf_prefix
  64     set pf_prefix "$pf_prefix 1 $trace_type $option:"
  65
  66     # Start with a fresh gdb.
  67     clean_restart ${executable}
  68     if ![runto_main] {
  69         fail "Can't run to main"
  70         set pf_prefix $old_pf_prefix
  71         return -1
  72     }
  73
  74     gdb_test_no_output "set breakpoint always-inserted ${option}"
  75
  76     gdb_test "break end" "Breakpoint \[0-9\] at $hex: file.*"
  77
  78     gdb_test "break set_point" "Breakpoint \[0-9\] at $hex: file.*"
  79     gdb_test "${trace_type} set_point" "\(Fast t|T\)racepoint \[0-9\] at $hex: file.*"
  80
  81     gdb_test_no_output "tstart"
  82
  83     gdb_test "continue" "Continuing\\.\[ \r\n\]+Breakpoint.*" "continue to set_point"
  84
  85     gdb_test "continue" "Continuing\\.\[ \r\n\]+Breakpoint.*" "continue to end"
  86     gdb_test_no_output "tstop"
  87
  88     gdb_test "tfind" "Found trace frame 0, tracepoint .*" "tfind frame 0"
  89     gdb_test "tfind" "Target failed to find requested trace frame\\..*"
  90
  91     set pf_prefix $old_pf_prefix
  92 }
  93
  94 # Set multiple tracepoints at the same address.
  95
  96 proc break_trace_same_addr_2 { trace_type1 trace_type2 option } {
  97     global executable
  98     global pf_prefix
  99     global hex
 100
 101     set old_pf_prefix $pf_prefix
 102     set pf_prefix "$pf_prefix 2 $trace_type1 $trace_type2 $option:"
 103
 104     # Start with a fresh gdb.
 105     clean_restart ${executable}
 106     if ![runto_main] {
 107         fail "Can't run to main"
 108         set pf_prefix $old_pf_prefix
 109         return -1
 110     }
 111
 112     gdb_test_no_output "set breakpoint always-inserted ${option}"
 113
 114     gdb_test "break end" "Breakpoint \[0-9\] at $hex: file.*"
 115
 116     gdb_test "${trace_type1} set_point" \
 117         "\(Fast t|T\)racepoint \[0-9\] at $hex: file.*" \
 118         "${trace_type1} set_point (1)"
 119
 120     gdb_test "${trace_type2} set_point" \
 121         "\(Fast t|T\)racepoint \[0-9\] at $hex: file.*" \
 122         "${trace_type2} set_point (2)"
 123
 124     gdb_test_no_output "tstart"
 125     gdb_test "continue" "Continuing\\.\[ \r\n\]+Breakpoint.*" "continue to end"
 126
 127     gdb_test_no_output "tstop"
 128
 129     gdb_test "tfind" "Found trace frame 0, tracepoint .*" "tfind frame 0"
 130     gdb_test "tfind" "Found trace frame 1, tracepoint .*" "tfind frame 1"
 131     gdb_test "tfind" "Target failed to find requested trace frame\\..*"
 132
 133     set pf_prefix $old_pf_prefix
 134 }
 135
 136 # Set breakpoint and tracepoint at the same address.  Delete breakpoint, and verify
 137 # that tracepoint still works.
 138
 139 proc break_trace_same_addr_3 { trace_type option } {
 140     global executable
 141     global pf_prefix
 142     global hex
 143
 144     set old_pf_prefix $pf_prefix
 145     set pf_prefix "$pf_prefix 3 $trace_type $option:"
 146
 147     # Start with a fresh gdb.
 148     clean_restart ${executable}
 149     if ![runto_main] {
 150         fail "Can't run to main"
 151         set pf_prefix $old_pf_prefix
 152         return -1
 153     }
 154
 155     gdb_test_no_output "set breakpoint always-inserted ${option}"
 156     gdb_test "break marker" "Breakpoint \[0-9\] at $hex: file.*"
 157     gdb_test "break end" "Breakpoint \[0-9\] at $hex: file.*"
 158
 159     gdb_test "break set_point" "Breakpoint \[0-9\] at $hex: file.*"
 160     gdb_test "${trace_type} set_point" "\(Fast t|T\)racepoint \[0-9\] at $hex: file.*"
 161
 162     gdb_test_no_output "tstart"
 163
 164     gdb_test "continue" "Continuing\\.\[ \r\n\]+Breakpoint.*" "continue to marker"
 165     gdb_test "delete break 4"
 166
 167     gdb_test "continue" "Continuing\\.\[ \r\n\]+Breakpoint.*" "continue to end"
 168     gdb_test_no_output "tstop"
 169
 170     gdb_test "tfind" "Found trace frame 0, tracepoint .*" "tfind frame 0"
 171     gdb_test "tfind" "Target failed to find requested trace frame\\..*"
 172
 173     set pf_prefix $old_pf_prefix
 174 }
 175
 176 # Set breakpoint and tracepoint at the same address.  Delete tracepoint, and verify
 177 # that breakpoint still works.
 178
 179 proc break_trace_same_addr_4 { trace_type option } {
 180     global executable
 181     global pf_prefix
 182     global hex
 183
 184     set old_pf_prefix $pf_prefix
 185     set pf_prefix "$pf_prefix 4 $trace_type $option:"
 186
 187     # Start with a fresh gdb.
 188     clean_restart ${executable}
 189     if ![runto_main] {
 190         fail "Can't run to main"
 191         set pf_prefix $old_pf_prefix
 192         return -1
 193     }
 194
 195     gdb_test_no_output "set breakpoint always-inserted ${option}"
 196     gdb_test "break marker" "Breakpoint \[0-9\] at $hex: file.*"
 197     gdb_test "break end" "Breakpoint \[0-9\] at $hex: file.*"
 198
 199     gdb_test "break set_point" "Breakpoint \[0-9\] at $hex: file.*"
 200     gdb_test "${trace_type} set_point" "\(Fast t|T\)racepoint \[0-9\] at $hex: file.*"
 201
 202     gdb_test "continue" "Continuing\\.\[ \r\n\]+Breakpoint.*" "continue to marker"
 203     # Delete tracepoint set on set_point.
 204     gdb_test "delete trace 5"
 205
 206     gdb_test "tstart" "No tracepoints defined, not starting trace.*"
 207
 208     gdb_test "continue" "Continuing\\.\[ \r\n\]+Breakpoint.*" "continue to set_point"
 209     gdb_test "continue" "Continuing\\.\[ \r\n\]+Breakpoint.*" "continue to end"
 210     gdb_test "tstop" "Trace is not running.*"
 211
 212     gdb_test "tfind" "Target failed to find requested trace frame\\..*"
 213
 214     set pf_prefix $old_pf_prefix
 215 }
 216
 217 # Set two tracepoints TRACE1 and TRACE2 at two locations, and start tracing.
 218 # Then, set tracepoint TRACE3 at either of these two locations.
 219 # TRACE3_AT_FIRST_LOC is a boolean variable to decide insert TRACE3 at which
 220 # of two locations.  Verify  these tracepoints work as expected.
 221
 222 proc break_trace_same_addr_5 { trace1 trace2 trace3 trace3_at_first_loc } {
 223     global executable
 224     global pf_prefix
 225     global hex
 226     global fpreg
 227     global spreg
 228     global pcreg
 229
 230     set old_pf_prefix $pf_prefix
 231     set pf_prefix "$pf_prefix 5 $trace1 $trace2 ${trace3}@${trace3_at_first_loc}:"
 232
 233     # Start with a fresh gdb.
 234     clean_restart ${executable}
 235     if ![runto_main] {
 236         fail "Can't run to main"
 237         set pf_prefix $old_pf_prefix
 238         return -1
 239     }
 240
 241     gdb_test "break marker" "Breakpoint \[0-9\] at $hex: file.*"
 242     gdb_test "break end" "Breakpoint \[0-9\] at $hex: file.*"
 243
 244     gdb_test "${trace1} set_point" "\(Fast t|T\)racepoint \[0-9\] at $hex: file.*" \
 245         "${trace1} set_point 1"
 246     gdb_trace_setactions "set action for tracepoint 1" "" \
 247         "collect \$$pcreg" "^$"
 248     gdb_test "${trace2} after_set_point" \
 249         "\(Fast t|T\)racepoint \[0-9\] at $hex: file.*" \
 250         "${trace2} after_set_point 1"
 251
 252     gdb_trace_setactions "set action for tracepoint 2" "" \
 253         "collect \$$spreg" "^$"
 254
 255     gdb_test_no_output "tstart"
 256
 257     gdb_test "continue" "Continuing\\.\[ \r\n\]+Breakpoint.*" "continue to marker"
 258
 259     if [string equal $trace3_at_first_loc "1"] {
 260         gdb_test "${trace3} set_point" "\(Fast t|T\)racepoint \[0-9\] at $hex: file.*" \
 261             "${trace3} set_point 2"
 262     } else {
 263         gdb_test "${trace3} after_set_point" \
 264             "\(Fast t|T\)racepoint \[0-9\] at $hex: file.*" \
 265             "${trace2} after_set_point 2"
 266     }
 267     gdb_trace_setactions "set action for tracepoint 3" "" \
 268         "collect \$$fpreg" "^$"
 269
 270     gdb_test "continue" "Continuing\\.\[ \r\n\]+Breakpoint.*" "continue to end"
 271     gdb_test_no_output "tstop"
 272
 273     gdb_test "tfind tracepoint 4" "Found trace frame \[0-9\], tracepoint .*" \
 274         "tfind test frame of tracepoint 4"
 275     gdb_test "tdump" \
 276         "Data collected at tracepoint .*, trace frame \[0-9\]:.*\\$${pcreg} = .*" \
 277         "tdump 1"
 278     gdb_test "tfind 0" "Found trace frame 0, tracepoint .*" \
 279         "reset to frame 0 (1)"
 280     gdb_test "tfind tracepoint 5" "Found trace frame \[0-9\], tracepoint .*" \
 281         "tfind test frame of tracepoint 5"
 282     gdb_test "tdump" \
 283         "Data collected at tracepoint .*, trace frame \[0-9\]:.*\\$${spreg} = .*" \
 284         "tdump 2"
 285     gdb_test "tfind 0" "Found trace frame 0, tracepoint .*" \
 286         "reset to frame 0 (2)"
 287     gdb_test "tfind tracepoint 6" "Found trace frame \[0-9\], tracepoint .*" \
 288         "tfind test frame of tracepoint 6"
 289     gdb_test "tdump" \
 290         "Data collected at tracepoint .*, trace frame \[0-9\]:.*\\$${fpreg} = .*" \
 291         "tdump 3"
 292
 293     set pf_prefix $old_pf_prefix
 294 }
 295
 296 # Set two tracepoints at the same address, and enable/disable them.  Verify
 297 # tracepoints work as expect.
 298
 299 proc break_trace_same_addr_6 { trace1 enable1 trace2 enable2 } {
 300     global executable
 301     global pf_prefix
 302     global hex
 303     global gdb_prompt
 304     global spreg
 305     global pcreg
 306
 307     set old_pf_prefix $pf_prefix
 308     set pf_prefix "$pf_prefix 6 $trace1 $enable1 $trace2 $enable2:"
 309
 310     # Start with a fresh gdb.
 311     clean_restart ${executable}
 312     if ![runto_main] {
 313         fail "Can't run to main"
 314         set pf_prefix $old_pf_prefix
 315         return -1
 316     }
 317
 318     gdb_test "break marker" "Breakpoint \[0-9\] at $hex: file.*"
 319     gdb_test "break end" "Breakpoint \[0-9\] at $hex: file.*"
 320
 321     gdb_test "continue" "Continuing\\.\[ \r\n\]+Breakpoint.*" "continue to marker"
 322
 323     gdb_test "${trace1} set_point" "\(Fast t|T\)racepoint \[0-9\] at $hex: file.*" \
 324         "${trace1} set_point 1"
 325     gdb_trace_setactions "set action for tracepoint 1" "" \
 326         "collect \$$pcreg" "^$"
 327     gdb_test "${trace2} set_point" "\(Fast t|T\)racepoint \[0-9\] at $hex: file.*" \
 328         "${trace2} set_point 2"
 329     gdb_trace_setactions "set action for tracepoint 2" "" \
 330         "collect \$$spreg" "^$"
 331
 332     gdb_test_no_output "$enable1 4"
 333     gdb_test_no_output "$enable2 5"
 334
 335     gdb_test_no_output "tstart"
 336     gdb_test "continue" "Continuing\\.\[ \r\n\]+Breakpoint.*" "continue to end"
 337     gdb_test_no_output "tstop"
 338
 339
 340     if [string equal $enable1 "enable"] {
 341         gdb_test "tfind tracepoint 4" "Found trace frame \[0-9\], tracepoint .*" \
 342             "tfind test frame of tracepoint 4"
 343         gdb_test "tdump" \
 344             "Data collected at tracepoint .*, trace frame \[0-9\]:.*\\$${pcreg} = .*" \
 345             "tdump 1"
 346         gdb_test "tfind 0" "Found trace frame 0, tracepoint .*" \
 347             "reset to frame 0 (1)"
 348     } else {
 349         gdb_test "tfind tracepoint 4" "Target failed to find requested trace frame.*" \
 350             "tfind test frame of tracepoint 4"
 351     }
 352
 353     if [string equal $enable2 "enable"] {
 354         gdb_test "tfind tracepoint 5" "Found trace frame \[0-9\], tracepoint .*" \
 355             "tfind test frame of tracepoint 5"
 356         gdb_test "tdump" \
 357             "Data collected at tracepoint .*, trace frame \[0-9\]:.*\\$${spreg} = .*" \
 358             "tdump 2"
 359         gdb_test "tfind 0" "Found trace frame 0, tracepoint .*" \
 360             "reset to frame 0 (2)"
 361     } else {
 362         gdb_test "tfind tracepoint 5" "Target failed to find requested trace frame.*" \
 363             "tfind test frame of tracepoint 5"
 364     }
 365
 366     set pf_prefix $old_pf_prefix
 367 }
 368
 369
 370 foreach break_always_inserted { "on" "off" } {
 371     break_trace_same_addr_1 "trace" ${break_always_inserted}
 372     break_trace_same_addr_2 "trace" "trace" ${break_always_inserted}
 373     break_trace_same_addr_3 "trace" ${break_always_inserted}
 374     break_trace_same_addr_4 "trace" ${break_always_inserted}
 375 }
 376
 377 foreach at_first_loc { "1" "0" } {
 378     break_trace_same_addr_5 "trace" "trace" "trace" ${at_first_loc}
 379 }
 380
 381 break_trace_same_addr_6 "trace" "enable" "trace" "disable"
 382 break_trace_same_addr_6 "trace" "disable" "trace" "enable"
 383
 384 set libipa $objdir/../gdbserver/libinproctrace.so
 385 gdb_load_shlibs $libipa
 386
 387 # Can't use prepare_for_testing, because that splits compiling into
 388 # building objects and then linking, and we'd fail with "linker input
 389 # file unused because linking not done" when building the object.
 390
 391 if { [gdb_compile "$srcdir/$subdir/$srcfile" $binfile \
 392           executable [list debug $additional_flags shlib=$libipa] ] != "" } {
 393     untested "failed to compile ftrace tests"
 394     return -1
 395 }
 396 clean_restart ${executable}
 397
 398 if ![runto_main] {
 399     fail "Can't run to main for ftrace tests"
 400     return 0
 401 }
 402
 403 gdb_reinitialize_dir $srcdir/$subdir
 404 if { [gdb_test "info sharedlibrary" ".*libinproctrace\.so.*" "IPA loaded"] != 0 } {
 405     untested "Could not find IPA lib loaded"
 406 } else {
 407     foreach break_always_inserted { "on" "off" } {
 408         break_trace_same_addr_1 "ftrace" ${break_always_inserted}
 409         break_trace_same_addr_2 "trace" "ftrace" ${break_always_inserted}
 410         break_trace_same_addr_2 "ftrace" "trace" ${break_always_inserted}
 411         break_trace_same_addr_2 "ftrace" "ftrace" ${break_always_inserted}
 412         break_trace_same_addr_3 "ftrace" ${break_always_inserted}
 413         break_trace_same_addr_4 "ftrace" ${break_always_inserted}
 414     }
 415
 416     foreach trace1 { "trace" "ftrace" } {
 417         foreach trace2 { "trace" "ftrace" } {
 418             foreach trace3 { "trace" "ftrace" } {
 419
 420                 if { [string equal $trace1 "trace"]
 421                      && [string equal $trace2 "trace"]
 422                      && [string equal $trace3 "trace"] } {
 423                     continue
 424                 }
 425
 426                 foreach at_first_loc { "1" "0" } {
 427                     break_trace_same_addr_5 $trace1 $trace2 $trace3 $at_first_loc
 428                 }
 429             }
 430         }
 431     }
 432
 433     foreach trace1 { "trace" "ftrace" } {
 434         foreach trace2 { "trace" "ftrace" } {
 435             if { [string equal $trace1 "trace"]
 436                  && [string equal $trace2 "trace"] } {
 437                     continue
 438                 }
 439             break_trace_same_addr_6 $trace1 "enable" $trace2 "disable"
 440             break_trace_same_addr_6 $trace1 "disable" $trace2 "enable"
 441         }
 442     }
 443 }