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

   1 # Copyright 2011-2012 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 { with_test_prefix "1 $trace_type $option" \
  60 {
  61     global executable
  62     global hex
  63
  64     # Start with a fresh gdb.
  65     clean_restart ${executable}
  66     if ![runto_main] {
  67         fail "Can't run to main"
  68         return -1
  69     }
  70
  71     gdb_test_no_output "set breakpoint always-inserted ${option}"
  72
  73     gdb_test "break end" "Breakpoint \[0-9\] at $hex: file.*"
  74
  75     gdb_test "break set_point" "Breakpoint \[0-9\] at $hex: file.*"
  76     gdb_test "${trace_type} set_point" "\(Fast t|T\)racepoint \[0-9\] at $hex: file.*"
  77
  78     gdb_test_no_output "tstart"
  79
  80     gdb_test "continue" "Continuing\\.\[ \r\n\]+Breakpoint.*" "continue to set_point"
  81
  82     gdb_test "continue" "Continuing\\.\[ \r\n\]+Breakpoint.*" "continue to end"
  83     gdb_test_no_output "tstop"
  84
  85     gdb_test "tfind" "Found trace frame 0, tracepoint .*" "tfind frame 0"
  86     gdb_test "tfind" "Target failed to find requested trace frame\\..*"
  87 }}
  88
  89 # Set multiple tracepoints at the same address.
  90
  91 proc break_trace_same_addr_2 { trace_type1 trace_type2 option } \
  92 { with_test_prefix "2 $trace_type1 $trace_type2 $option" \
  93 {
  94     global executable
  95     global hex
  96
  97     # Start with a fresh gdb.
  98     clean_restart ${executable}
  99     if ![runto_main] {
 100         fail "Can't run to main"
 101         return -1
 102     }
 103
 104     gdb_test_no_output "set breakpoint always-inserted ${option}"
 105
 106     gdb_test "break end" "Breakpoint \[0-9\] at $hex: file.*"
 107
 108     gdb_test "${trace_type1} set_point" \
 109         "\(Fast t|T\)racepoint \[0-9\] at $hex: file.*" \
 110         "${trace_type1} set_point (1)"
 111
 112     gdb_test "${trace_type2} set_point" \
 113         "\(Fast t|T\)racepoint \[0-9\] at $hex: file.*" \
 114         "${trace_type2} set_point (2)"
 115
 116     gdb_test_no_output "tstart"
 117     gdb_test "continue" "Continuing\\.\[ \r\n\]+Breakpoint.*" "continue to end"
 118
 119     gdb_test_no_output "tstop"
 120
 121     gdb_test "tfind" "Found trace frame 0, tracepoint .*" "tfind frame 0"
 122     gdb_test "tfind" "Found trace frame 1, tracepoint .*" "tfind frame 1"
 123     gdb_test "tfind" "Target failed to find requested trace frame\\..*"
 124 }}
 125
 126 # Set breakpoint and tracepoint at the same address.  Delete breakpoint, and verify
 127 # that tracepoint still works.
 128
 129 proc break_trace_same_addr_3 { trace_type option } \
 130 { with_test_prefix "3 $trace_type $option" \
 131 {
 132     global executable
 133     global hex
 134
 135     # Start with a fresh gdb.
 136     clean_restart ${executable}
 137     if ![runto_main] {
 138         fail "Can't run to main"
 139         return -1
 140     }
 141
 142     gdb_test_no_output "set breakpoint always-inserted ${option}"
 143     gdb_test "break marker" "Breakpoint \[0-9\] at $hex: file.*"
 144     gdb_test "break end" "Breakpoint \[0-9\] at $hex: file.*"
 145
 146     gdb_test "break set_point" "Breakpoint \[0-9\] at $hex: file.*"
 147     gdb_test "${trace_type} set_point" "\(Fast t|T\)racepoint \[0-9\] at $hex: file.*"
 148
 149     gdb_test_no_output "tstart"
 150
 151     gdb_test "continue" "Continuing\\.\[ \r\n\]+Breakpoint.*" "continue to marker"
 152     gdb_test "delete break 4"
 153
 154     gdb_test "continue" "Continuing\\.\[ \r\n\]+Breakpoint.*" "continue to end"
 155     gdb_test_no_output "tstop"
 156
 157     gdb_test "tfind" "Found trace frame 0, tracepoint .*" "tfind frame 0"
 158     gdb_test "tfind" "Target failed to find requested trace frame\\..*"
 159 }}
 160
 161 # Set breakpoint and tracepoint at the same address.  Delete tracepoint, and verify
 162 # that breakpoint still works.
 163
 164 proc break_trace_same_addr_4 { trace_type option } \
 165 { with_test_prefix "4 $trace_type $option" \
 166 {
 167     global executable
 168     global hex
 169
 170
 171     # Start with a fresh gdb.
 172     clean_restart ${executable}
 173     if ![runto_main] {
 174         fail "Can't run to main"
 175         return -1
 176     }
 177
 178     gdb_test_no_output "set breakpoint always-inserted ${option}"
 179     gdb_test "break marker" "Breakpoint \[0-9\] at $hex: file.*"
 180     gdb_test "break end" "Breakpoint \[0-9\] at $hex: file.*"
 181
 182     gdb_test "break set_point" "Breakpoint \[0-9\] at $hex: file.*"
 183     gdb_test "${trace_type} set_point" "\(Fast t|T\)racepoint \[0-9\] at $hex: file.*"
 184
 185     gdb_test "continue" "Continuing\\.\[ \r\n\]+Breakpoint.*" "continue to marker"
 186     # Delete tracepoint set on set_point.
 187     gdb_test "delete trace 5"
 188
 189     gdb_test "tstart" "No tracepoints defined, not starting trace.*"
 190
 191     gdb_test "continue" "Continuing\\.\[ \r\n\]+Breakpoint.*" "continue to set_point"
 192     gdb_test "continue" "Continuing\\.\[ \r\n\]+Breakpoint.*" "continue to end"
 193     gdb_test "tstop" "Trace is not running.*"
 194
 195     gdb_test "tfind" "Target failed to find requested trace frame\\..*"
 196 }}
 197
 198 # Set two tracepoints TRACE1 and TRACE2 at two locations, and start tracing.
 199 # Then, set tracepoint TRACE3 at either of these two locations.
 200 # TRACE3_AT_FIRST_LOC is a boolean variable to decide insert TRACE3 at which
 201 # of two locations.  Verify  these tracepoints work as expected.
 202
 203 proc break_trace_same_addr_5 { trace1 trace2 trace3 trace3_at_first_loc } \
 204 { with_test_prefix "5 $trace1 $trace2 ${trace3}@${trace3_at_first_loc}" \
 205 {
 206     global executable
 207     global hex
 208     global fpreg
 209     global spreg
 210     global pcreg
 211
 212     # Start with a fresh gdb.
 213     clean_restart ${executable}
 214     if ![runto_main] {
 215         fail "Can't run to main"
 216         return -1
 217     }
 218
 219     gdb_test "break marker" "Breakpoint \[0-9\] at $hex: file.*"
 220     gdb_test "break end" "Breakpoint \[0-9\] at $hex: file.*"
 221
 222     gdb_test "${trace1} set_point" "\(Fast t|T\)racepoint \[0-9\] at $hex: file.*" \
 223         "${trace1} set_point 1"
 224     gdb_trace_setactions "set action for tracepoint 1" "" \
 225         "collect \$$pcreg" "^$"
 226     gdb_test "${trace2} after_set_point" \
 227         "\(Fast t|T\)racepoint \[0-9\] at $hex: file.*" \
 228         "${trace2} after_set_point 1"
 229
 230     gdb_trace_setactions "set action for tracepoint 2" "" \
 231         "collect \$$spreg" "^$"
 232
 233     gdb_test_no_output "tstart"
 234
 235     gdb_test "continue" "Continuing\\.\[ \r\n\]+Breakpoint.*" "continue to marker"
 236
 237     if [string equal $trace3_at_first_loc "1"] {
 238         gdb_test "${trace3} set_point" "\(Fast t|T\)racepoint \[0-9\] at $hex: file.*" \
 239             "${trace3} set_point 2"
 240     } else {
 241         gdb_test "${trace3} after_set_point" \
 242             "\(Fast t|T\)racepoint \[0-9\] at $hex: file.*" \
 243             "${trace2} after_set_point 2"
 244     }
 245     gdb_trace_setactions "set action for tracepoint 3" "" \
 246         "collect \$$fpreg" "^$"
 247
 248     gdb_test "continue" "Continuing\\.\[ \r\n\]+Breakpoint.*" "continue to end"
 249     gdb_test_no_output "tstop"
 250
 251     gdb_test "tfind tracepoint 4" "Found trace frame \[0-9\], tracepoint .*" \
 252         "tfind test frame of tracepoint 4"
 253     gdb_test "tdump" \
 254         "Data collected at tracepoint .*, trace frame \[0-9\]:.*\\$${pcreg} = .*" \
 255         "tdump 1"
 256     gdb_test "tfind 0" "Found trace frame 0, tracepoint .*" \
 257         "reset to frame 0 (1)"
 258     gdb_test "tfind tracepoint 5" "Found trace frame \[0-9\], tracepoint .*" \
 259         "tfind test frame of tracepoint 5"
 260     gdb_test "tdump" \
 261         "Data collected at tracepoint .*, trace frame \[0-9\]:.*\\$${spreg} = .*" \
 262         "tdump 2"
 263     gdb_test "tfind 0" "Found trace frame 0, tracepoint .*" \
 264         "reset to frame 0 (2)"
 265     gdb_test "tfind tracepoint 6" "Found trace frame \[0-9\], tracepoint .*" \
 266         "tfind test frame of tracepoint 6"
 267     gdb_test "tdump" \
 268         "Data collected at tracepoint .*, trace frame \[0-9\]:.*\\$${fpreg} = .*" \
 269         "tdump 3"
 270 }}
 271
 272 # Set two tracepoints at the same address, and enable/disable them.  Verify
 273 # tracepoints work as expect.
 274
 275 proc break_trace_same_addr_6 { trace1 enable1 trace2 enable2 } \
 276 { with_test_prefix "6 $trace1 $enable1 $trace2 $enable2" \
 277 {
 278     global executable
 279     global hex
 280     global gdb_prompt
 281     global spreg
 282     global pcreg
 283
 284     # Start with a fresh gdb.
 285     clean_restart ${executable}
 286     if ![runto_main] {
 287         fail "Can't run to main"
 288         return -1
 289     }
 290
 291     gdb_test "break marker" "Breakpoint \[0-9\] at $hex: file.*"
 292     gdb_test "break end" "Breakpoint \[0-9\] at $hex: file.*"
 293
 294     gdb_test "continue" "Continuing\\.\[ \r\n\]+Breakpoint.*" "continue to marker"
 295
 296     gdb_test "${trace1} set_point" "\(Fast t|T\)racepoint \[0-9\] at $hex: file.*" \
 297         "${trace1} set_point 1"
 298     gdb_trace_setactions "set action for tracepoint 1" "" \
 299         "collect \$$pcreg" "^$"
 300     gdb_test "${trace2} set_point" "\(Fast t|T\)racepoint \[0-9\] at $hex: file.*" \
 301         "${trace2} set_point 2"
 302     gdb_trace_setactions "set action for tracepoint 2" "" \
 303         "collect \$$spreg" "^$"
 304
 305     gdb_test_no_output "$enable1 4"
 306     gdb_test_no_output "$enable2 5"
 307
 308     gdb_test_no_output "tstart"
 309     gdb_test "continue" "Continuing\\.\[ \r\n\]+Breakpoint.*" "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 set libipa $objdir/../gdbserver/libinproctrace.so
 356 gdb_load_shlibs $libipa
 357
 358 # Can't use prepare_for_testing, because that splits compiling into
 359 # building objects and then linking, and we'd fail with "linker input
 360 # file unused because linking not done" when building the object.
 361
 362 if { [gdb_compile "$srcdir/$subdir/$srcfile" $binfile \
 363           executable [list debug $additional_flags shlib=$libipa] ] != "" } {
 364     untested "failed to compile ftrace tests"
 365     return -1
 366 }
 367 clean_restart ${executable}
 368
 369 if ![runto_main] {
 370     fail "Can't run to main for ftrace tests"
 371     return 0
 372 }
 373
 374 gdb_reinitialize_dir $srcdir/$subdir
 375 if { [gdb_test "info sharedlibrary" ".*libinproctrace\.so.*" "IPA loaded"] != 0 } {
 376     untested "Could not find IPA lib loaded"
 377 } else {
 378     foreach break_always_inserted { "on" "off" } {
 379         break_trace_same_addr_1 "ftrace" ${break_always_inserted}
 380         break_trace_same_addr_2 "trace" "ftrace" ${break_always_inserted}
 381         break_trace_same_addr_2 "ftrace" "trace" ${break_always_inserted}
 382         break_trace_same_addr_2 "ftrace" "ftrace" ${break_always_inserted}
 383         break_trace_same_addr_3 "ftrace" ${break_always_inserted}
 384         break_trace_same_addr_4 "ftrace" ${break_always_inserted}
 385     }
 386
 387     foreach trace1 { "trace" "ftrace" } {
 388         foreach trace2 { "trace" "ftrace" } {
 389             foreach trace3 { "trace" "ftrace" } {
 390
 391                 if { [string equal $trace1 "trace"]
 392                      && [string equal $trace2 "trace"]
 393                      && [string equal $trace3 "trace"] } {
 394                     continue
 395                 }
 396
 397                 foreach at_first_loc { "1" "0" } {
 398                     break_trace_same_addr_5 $trace1 $trace2 $trace3 $at_first_loc
 399                 }
 400             }
 401         }
 402     }
 403
 404     foreach trace1 { "trace" "ftrace" } {
 405         foreach trace2 { "trace" "ftrace" } {
 406             if { [string equal $trace1 "trace"]
 407                  && [string equal $trace2 "trace"] } {
 408                     continue
 409                 }
 410             break_trace_same_addr_6 $trace1 "enable" $trace2 "disable"
 411             break_trace_same_addr_6 $trace1 "disable" $trace2 "enable"
 412         }
 413     }
 414 }