gdb/testsuite/gdb.trace/tfind.exp

   1 #   Copyright 1998-2020 Free Software Foundation, Inc.
   2 #
   3 # This program is free software; you can redistribute it and/or modify
   4 # it under the terms of the GNU General Public License as published by
   5 # the Free Software Foundation; either version 3 of the License, or
   6 # (at your option) any later version.
   7 #
   8 # This program is distributed in the hope that it will be useful,
   9 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  10 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  11 # GNU General Public License for more details.
  12 #
  13 # You should have received a copy of the GNU General Public License
  14 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
  15
  16 # This file was written by Michael Snyder (msnyder@cygnus.com)
  17
  18 load_lib "trace-support.exp"
  19
  20
  21 gdb_exit
  22 gdb_start
  23
  24 standard_testfile actions.c
  25
  26 if ![gdb_trace_common_supports_arch] {
  27     unsupported "no trace-common.h support for arch"
  28     return -1
  29 }
  30
  31 if { [gdb_compile "$srcdir/$subdir/$srcfile" "$binfile" \
  32           executable {debug nowarnings nopie}] != "" } {
  33     untested "failed to compile"
  34     return -1
  35 }
  36 gdb_load $binfile
  37 gdb_test "tstop"       ".*" ""
  38 gdb_test "tfind none"  ".*" ""
  39
  40 # 6.2 test help tstart
  41 gdb_test "help tstart" \
  42     "Start trace data collection\.\[\r\n\]+Usage: tstart \\\[NOTES\\\]\.\.\.\[\r\n\]+Any arguments supplied are recorded with the trace as a note and\[\r\n\]+reported by tstatus \\(if the target supports trace notes\\)\." \
  43     "6.2: help tstart"
  44 # 7.2 test help tstop
  45 gdb_test "help tstop" \
  46     "Stop trace data collection\.\[\r\n\]+Usage: tstop \\\[NOTES\\\]\.\.\.\[\r\n\]+Any arguments supplied are recorded with the trace as a stop reason and\[\r\n\]+reported by tstatus \\(if the target supports trace notes\\)\." \
  47     "7.2: help tstop"
  48
  49 # 8.38 test help tfind
  50 gdb_test "help tfind"       "Select a trace frame.*"      \
  51         "8.38: help tfind"
  52 gdb_test "help tfind pc"    "Select a trace frame by PC.*" \
  53         "8.38: help tfind PC"
  54 gdb_test "help tfind end"   "De-select any trace frame.*" \
  55         "8.38: help tfind end"
  56 gdb_test "help tfind none"  "De-select any trace frame.*" \
  57         "8.38: help tfind none"
  58 gdb_test "help tfind line"  "Select a trace frame by source line.*" \
  59         "8.38: help tfind line"
  60 gdb_test "help tfind start" "Select the first trace frame.*" \
  61         "8.38: help tfind start"
  62 gdb_test "help tfind range" "Select a trace frame whose PC is in.*" \
  63         "8.38: help tfind range"
  64 gdb_test "help tfind trace" "Select a trace frame by tracepoint number.*" \
  65         "8.38: help tfind tracepoint"
  66
  67 runto_main
  68 gdb_reinitialize_dir $srcdir/$subdir
  69
  70 if { ![gdb_target_supports_trace] } then {
  71     unsupported "current target does not support trace"
  72     return 1
  73
  74 }
  75
  76 # If testing on a remote host, download the source file.
  77 # remote_download host $srcdir/$subdir/$srcfile
  78
  79 # define relative source line numbers:
  80 # all subsequent line numbers are relative to this first one (baseline)
  81 set baseline  [gdb_find_recursion_test_baseline $srcfile]
  82 if { $baseline == -1 } then {
  83     fail "could not find gdb_recursion_test function"
  84     return
  85 }
  86
  87 set testline1 [expr $baseline + 1]
  88 set testline2 [expr $baseline + 5]
  89 set testline3 [expr $baseline + 6]
  90 set testline4 [expr $baseline + 7]
  91 set testline5 [expr $baseline + 8]
  92
  93 #
  94 # test tfind command
  95 #
  96
  97 gdb_delete_tracepoints
  98 set tdp1 [gdb_gettpnum "\*gdb_recursion_test"]
  99 set tdp2 [gdb_gettpnum $testline2]
 100 set tdp3 [gdb_gettpnum $testline3]
 101 set tdp4 [gdb_gettpnum $testline4]
 102 set tdp5 [gdb_gettpnum $testline5]
 103 if { $tdp1 <= 0 || $tdp2 <= 0 || $tdp3 <= 0 || \
 104      $tdp4 <= 0 || $tdp5 <= 0 } then {
 105     fail "setting tracepoints"
 106     return
 107 }
 108
 109 # 6.1 test tstart command
 110
 111 set return_me 1
 112 gdb_test_multiple "tstart" "6.1: tstart" {
 113     -re "Trace can only be run on remote targets.*$gdb_prompt $" {
 114         fail "6.1: tstart (not connected to remote?)"
 115     }
 116     -re "Target does not support this command.*$gdb_prompt $" {
 117         fail "6.1: tstart (connected to wrong target?)"
 118     }
 119     -re "Target returns error code.*$gdb_prompt $" {
 120         fail "6.1: tstart (connected to wrong target?)"
 121     }
 122     -re "$gdb_prompt $" {
 123         pass "6.1: tstart"
 124         set return_me 0
 125     }
 126 }
 127
 128 if { $return_me == 1 } then {
 129     return -1
 130 }
 131
 132 # test tstatus (when trace on)
 133 gdb_test "tstatus" "\[Tt\]race is running.*" "test tstatus on"
 134
 135 gdb_breakpoint "end" qualified
 136 gdb_test "continue" \
 137     "Continuing.*Breakpoint $decimal, end.*" \
 138     "run trace experiment"
 139
 140 # 7.1 test tstop command
 141
 142 set return_me 1
 143 gdb_test_multiple "tstop" "7.1: tstop" {
 144     -re "Trace can only be run on remote targets.*$gdb_prompt $" {
 145         fail "7.1: tstop (not connected to remote?)"
 146     }
 147     -re "Target does not support this command.*$gdb_prompt $" {
 148         fail "7.1: tstop (connected to wrong target?)"
 149     }
 150     -re "Target returns error code.*$gdb_prompt $" {
 151         fail "7.1: tstop (connected to wrong target?)"
 152     }
 153     -re "$gdb_prompt $" {
 154         pass "7.1: tstop"
 155         set return_me 0
 156     }
 157 }
 158
 159 if { $return_me == 1 } then {
 160     return -1
 161 }
 162
 163 # test tstatus (when trace off)
 164 gdb_test "tstatus" "Trace stopped by a tstop command.*" \
 165     "test tstatus off after tstop"
 166
 167 ## record starting PC
 168 set save_pc [gdb_readexpr "(unsigned long) \$pc"]
 169 if { $save_pc == -1 } then {
 170     fail "could not read PC"
 171     return
 172 }
 173
 174 # 8.7  tfind start
 175 ## check $trace_frame == 0
 176 gdb_tfind_test "8.7: tfind start command" "start" "0"
 177 ## check $pc != startPC
 178 gdb_test "printf \"x \%d x\\n\", \$pc != $save_pc" \
 179         "x 1 x" \
 180         "8.7b: tfind start"
 181
 182 # 8.8  tfind none
 183 ## check $trace_frame == -1
 184 gdb_tfind_test "8.8: tfind none" "none" "-1"
 185 ## check $pc == startPC
 186 gdb_test "printf \"x \%d x\\n\", \$pc == $save_pc" \
 187         "x 1 x" \
 188         "8.8b: tfind none (restores non-trace PC)"
 189
 190 # 8.9  tfind end
 191 ## check $trace_frame == -1
 192 gdb_tfind_test "8.9: tfind end, selects no frame" "end" "-1"
 193 ## check $pc == startPC
 194 gdb_test "printf \"x \%d x\\n\", \$pc == $save_pc" \
 195         "x 1 x" \
 196         "8.9b: tfind end (restores non-tracing PC)"
 197
 198 # 8.1  tfind n
 199 ## check $trace_frame == n
 200 gdb_tfind_test "8.1: tfind 1" "1" "1"
 201 ## check $trace_line corresponds to tracepoint for frame n
 202 gdb_test "print \$trace_line" "$testline2" "8.1b: tfind 1 (correct line)"
 203
 204 # 8.28 tfind invalid n (big number)
 205 ## check "not found" error
 206 ## check $trace_frame != n
 207 gdb_test "tfind 32767" \
 208         "failed to find.*" \
 209         "8.28: tfind <n> command rejects invalid frame number"
 210
 211 gdb_test "printf \"x \%d x\\n\", \$trace_frame == 32767" \
 212         "x 0 x" \
 213         "8.28: tfind <n> rejected bad input (32767)"
 214
 215 # 8.31 tfind negative n
 216 ## check error
 217 gdb_test "tfind -3" "invalid input.*" "8.31: tfind <n> rejects negative input"
 218 ## check $trace_frame != -n
 219 gdb_test "printf \"x \%d x\\n\", \$trace_frame == -3" "x 0 x" \
 220         "8.31: tfind <n> rejected negative input (-3)"
 221
 222 # 8.10 tfind <no arg>
 223 ## check $trace_frame += 1
 224
 225 gdb_tfind_test "8.10: tfind start" "start" "0"
 226 gdb_test "print \$trace_line" "$baseline"  \
 227         "8.10: tfind 0 (correct line $baseline)"
 228 gdb_tfind_test "8.10: tfind noargument 1" "" "1"
 229 gdb_test "print \$trace_line" "$testline2" \
 230         "8.10: tfind 1 (correct line $testline2)"
 231 gdb_tfind_test "8.10: tfind noargument 2" "" "2"
 232 gdb_test "print \$trace_line" "$testline3" \
 233         "8.10: tfind 2 (correct line $testline3)"
 234 gdb_tfind_test "8.10: tfind noargument 3" "" "3"
 235 gdb_test "print \$trace_line" "$testline4" \
 236         "8.10: tfind 3 (correct line $testline4)"
 237
 238 gdb_tfind_test "8.11: tfind 3" "3" "3"
 239 gdb_test "print \$trace_line" "$testline4" \
 240         "8.11: tfind 3 (correct line $testline4)"
 241 gdb_tfind_test "8.11: tfind backward 2" "-" "2"
 242 gdb_test "print \$trace_line" "$testline3" \
 243         "8.11: tfind 2 (correct line $testline3)"
 244 gdb_tfind_test "8.11: tfind backward 1" "-" "1"
 245 gdb_test "print \$trace_line" "$testline2" \
 246         "8.11: tfind 1 (correct line $testline2)"
 247 gdb_tfind_test "8.11: tfind backward 0" "-" "0"
 248 gdb_test "print \$trace_line" "$baseline"  \
 249         "8.11: tfind 0 (correct line $baseline)"
 250
 251 gdb_tfind_test "8.12: tfind none" "none" "-1"
 252 gdb_tfind_test "8.12: tfind tracepoint <n>" "tracepoint $tdp2" \
 253         "\$tracepoint" "$tdp2"
 254 gdb_test "print \$trace_line" "$testline2" \
 255         "8.12: tfind tracepoint <n> (line $testline2)"
 256
 257 gdb_tfind_test "8.25: tfind none" "none" "-1"
 258 gdb_test "tfind tracepoint 0" "failed to find.*" \
 259         "8.25: tfind tracepoint rejects zero"
 260 gdb_test "tfind tracepoint 32767" "failed to find.*" \
 261         "8.25: tfind tracepoint rejects nonexistant tracepoint (32767)"
 262 gdb_test "tfind tracepoint -1" "failed to find.*" \
 263         "8.25: tfind tracepoint rejects nonexistant tracepoint (-1)"
 264
 265 # 8.37 tfind tracepoint n where n no longer exists (but used to)
 266 gdb_test_no_output "delete trace $tdp2" ""
 267 gdb_tfind_test "8.37: tfind none" "none" "-1"
 268 gdb_tfind_test "8.37: tfind deleted tracepoint" \
 269         "tracepoint $tdp2" \
 270         "\$tracepoint" "$tdp2"
 271 gdb_test "print \$trace_line" "$testline2" \
 272         "8.37: tfind deleted tracepoint (line $testline2)"
 273
 274 # 8.13 tfind tracepoint <no arg>
 275 ## check $tracepoint same before and after, $trace_frame changed
 276
 277 gdb_tfind_test "8.13: tfind none" "none" "-1"
 278 gdb_tfind_test "8.13: tracepoint $tdp1" "tracepoint $tdp1" \
 279         "\$tracepoint" "$tdp1"
 280 gdb_test "print \$trace_line" "$baseline" \
 281         "8.13: tfind tracepoint $tdp1 (line $baseline)"
 282 gdb_test_no_output "set \$save_frame = \$trace_frame" ""
 283 gdb_tfind_test "8.13: tracepoint <no arg>" "tracepoint" \
 284         "\$tracepoint" "$tdp1"
 285 gdb_test "printf \"x \%d x\\n\", \$trace_frame == \$save_frame" \
 286         "x 0 x" \
 287         "8.13: tracepoint <no arg>, tracepoint number unchanged"
 288
 289 # 1.12 set tracepoint in prologue
 290 #
 291 # tdp1 was set at *gdb_recursion_test (ie. the hard address of the
 292 # function, before the prologue).  Test to see that it succeeded.
 293 # Current pc should be equal to the address of the function.
 294
 295 gdb_test "printf \"x \%d x\\n\", \$pc == gdb_recursion_test" \
 296         "x 1 x" \
 297         "1.12: set tracepoint in prologue"
 298
 299 # 8.14 tfind pc x
 300 ## check pc == x, $trace_frame != -1
 301 gdb_tfind_test "8.14: tfind 3" "3" "3"
 302 gdb_test "print \$trace_line" "$testline4" \
 303         "8.14: tfind 3 (line $testline4)"
 304
 305 gdb_test_no_output "set \$test_pc = \$pc" ""
 306 gdb_tfind_test "8.14: tfind none" "none" "-1"
 307 gdb_tfind_test "8.14: tfind pc" "pc \$test_pc" "\$trace_frame != -1" "1"
 308 gdb_test "print \$trace_line" "$testline4" \
 309         "8.14: tfind pc x (line $testline4)"
 310 gdb_test "printf \"x \%d x\\n\", \$pc == \$test_pc" \
 311         "x 1 x" \
 312         "8.14: tfind pc x"
 313
 314 # 8.15 tfind pc <no arg>
 315 ## check pc same before and after, $trace_frame changed
 316 gdb_tfind_test "8.15: tfind 3" "3" "3"
 317 gdb_test "print \$trace_line" "$testline4" \
 318         "8.15: tfind 3 (line $testline4)"
 319 gdb_test_no_output "set \$test_pc = \$pc" ""
 320 gdb_tfind_test "8.15: tfind pc" "pc" "\$pc == \$test_pc" "1"
 321 gdb_test "print \$trace_line" "$testline4" \
 322         "8.15: tfind pc (line $testline4)"
 323 gdb_test "printf \"x \%d x\\n\", \$trace_frame != 3" "x 1 x" \
 324         "8.15: trace frame didn't change"
 325
 326 # 8.26 tfind pc invalid x
 327 ## check error, pc != x (trace_frame unchanged?)
 328 gdb_tfind_test "8.26: tfind start" "start" "0"
 329 gdb_test "tfind pc  0" "failed to find.*" "8.26: tfind pc zero"
 330 gdb_test "tfind pc -1" "failed to find.*" "8.26: tfind pc -1"
 331
 332 # 8.16 tfind line n
 333 ## check #trace_frame != -1, $trace_line == n
 334 gdb_tfind_test "8.16: tfind none" "none" "-1"
 335 gdb_tfind_test "8.16: tfind line $testline3" \
 336         "line $testline3" \
 337         "\$trace_line == $testline3" "1"
 338
 339 # 8.17 tfind line <no arg> (# 8.19, 8.20)
 340 ## check $trace_line changed, no error, pc changed, frame changed, tdp changed
 341 gdb_tfind_test "8.17: tfind none" "none" "-1"
 342 gdb_tfind_test "8.17: tfind line $testline3" "line $testline3" "\$trace_line == $testline3" "1"
 343 gdb_tfind_test "8.17: tfind line <no arg>" "line" "\$trace_line != $testline3" "1"
 344
 345 # 8.36 tfind and disassembly
 346 gdb_tfind_test "8.36: tfind start" "start" "0"
 347 set timeout 60
 348 # look for disassembly of function label
 349 gdb_test "disassemble gdb_c_test" \
 350     "<(\.\[0-9\]+|)>:.*End of assembler dump.*" \
 351     "8.36: trace disassembly"
 352
 353 gdb_test "tfind line 0" \
 354         "out of range.*|failed to find.*|No line 0 in .*" \
 355         "8.18: tfind line 0"
 356 gdb_test "tfind line 32767" \
 357         "out of range.*|failed to find.*|No line 32767 in .*" \
 358         "8.27: tfind line 32767"
 359 gdb_test "tfind line NoSuChFiLe.c:$baseline" \
 360         "No source file named.*" \
 361         "8.27: tfind line in bad source file"
 362
 363 # 8.32 tfind invalid subcommand (tfind foo)
 364 ## check error
 365 gdb_test "tfind NoSuChOpTiOn 21" \
 366         "No symbol.*|\[Ww\]arning.*|\[Ee\]rror.*" \
 367         "8.32: tfind with bad subcommand"
 368
 369 # Finished!
 370 gdb_tfind_test "8.17: tfind none" "none" "-1"