gdb/testsuite/gdb.trace/tfind.exp

   1 #   Copyright 1998, 2002, 2005, 2007, 2008, 2009, 2010
   2 #   Free Software Foundation, Inc.
   3 #
   4 # This program is free software; you can redistribute it and/or modify
   5 # it under the terms of the GNU General Public License as published by
   6 # the Free Software Foundation; either version 3 of the License, or
   7 # (at your option) any later version.
   8 #
   9 # This program is distributed in the hope that it will be useful,
  10 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  11 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12 # GNU General Public License for more details.
  13 #
  14 # You should have received a copy of the GNU General Public License
  15 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
  16
  17 # This file was written by Michael Snyder (msnyder@cygnus.com)
  18
  19 load_lib "trace-support.exp";
  20
  21 if $tracelevel then {
  22     strace $tracelevel
  23 }
  24
  25
  26 gdb_exit
  27 gdb_start
  28
  29 set testfile "actions"
  30 set srcfile ${testfile}.c
  31 set binfile $objdir/$subdir/tfind
  32
  33 if { [gdb_compile "$srcdir/$subdir/$srcfile" "$binfile" \
  34           executable {debug nowarnings}] != "" } {
  35     untested tfind.exp
  36     return -1
  37 }
  38 gdb_load $binfile
  39 gdb_test "tstop"       "" ""
  40 gdb_test "tfind none"  "" ""
  41 runto_main
  42 gdb_reinitialize_dir $srcdir/$subdir
  43
  44 # We generously give ourselves one "pass" if we successfully
  45 # detect that this test cannot be run on this target!
  46 if { ![gdb_target_supports_trace] } then {
  47     pass "Current target does not support trace"
  48     return 1;
  49
  50 }
  51
  52 # If testing on a remote host, download the source file.
  53 # remote_download host $srcdir/$subdir/$srcfile
  54
  55 # define relative source line numbers:
  56 # all subsequent line numbers are relative to this first one (baseline)
  57 set baseline  [gdb_find_recursion_test_baseline $srcfile];
  58 if { $baseline == -1 } then {
  59     fail "Could not find gdb_recursion_test function"
  60     return;
  61 }
  62
  63 set testline1 [expr $baseline + 1]
  64 set testline2 [expr $baseline + 5]
  65 set testline3 [expr $baseline + 6]
  66 set testline4 [expr $baseline + 7]
  67 set testline5 [expr $baseline + 8]
  68
  69 #
  70 # test tfind command
  71 #
  72
  73 gdb_delete_tracepoints
  74 set tdp1 [gdb_gettpnum "\*gdb_recursion_test"]
  75 set tdp2 [gdb_gettpnum $testline2]
  76 set tdp3 [gdb_gettpnum $testline3]
  77 set tdp4 [gdb_gettpnum $testline4]
  78 set tdp5 [gdb_gettpnum $testline5]
  79 if { $tdp1 <= 0 || $tdp2 <= 0 || $tdp3 <= 0 || \
  80      $tdp4 <= 0 || $tdp5 <= 0 } then {
  81     fail "setting tracepoints"
  82     return;
  83 }
  84
  85 # 6.1 test tstart command
  86 send_gdb "tstart\n"
  87 gdb_expect {
  88     -re "Trace can only be run on remote targets.*$gdb_prompt $" {
  89         fail "6.1: tstart (not connected to remote?)"
  90         return;
  91     }
  92     -re "Target does not support this command.*$gdb_prompt $" {
  93         fail "6.1: tstart (connected to wrong target?)"
  94         return;
  95     }
  96     -re "Target returns error code.*$gdb_prompt $" {
  97         fail "6.1: tstart (connected to wrong target?)"
  98         return;
  99     }
 100     -re "$gdb_prompt $" {
 101         pass "6.1: tstart"
 102     }
 103     default {
 104         fail "6.1: tstart (default)"
 105         return;
 106     }
 107 }
 108
 109 # test tstatus (when trace on)
 110 gdb_test "tstatus" "\[Tt\]race is running.*" "test tstatus on"
 111
 112 # 6.2 test help tstart
 113 gdb_test "help tstart" "Start trace data collection." "6.2: help tstart"
 114
 115 gdb_test "break end" "" ""
 116 gdb_test "continue" \
 117     "Continuing.*Breakpoint $decimal, end.*" \
 118     "run trace experiment"
 119
 120 # 7.1 test tstop command
 121 send_gdb "tstop\n"
 122 gdb_expect {
 123     -re "Trace can only be run on remote targets.*$gdb_prompt $" {
 124         fail "7.1: tstop (not connected to remote?)"
 125         return;
 126     }
 127     -re "Target does not support this command.*$gdb_prompt $" {
 128         fail "7.1: tstop (connected to wrong target?)"
 129         return;
 130     }
 131     -re "Target returns error code.*$gdb_prompt $" {
 132         fail "7.1: tstop (connected to wrong target?)"
 133         return;
 134     }
 135     -re "$gdb_prompt $" {
 136         pass "7.1: tstop"
 137     }
 138     default {
 139         fail "7.1: tstop (default)"
 140         return;
 141     }
 142 }
 143
 144 # 7.2 test help tstop
 145 gdb_test "help tstop" "Stop trace data collection." "7.2: help tstop"
 146
 147 # test tstatus (when trace off)
 148 gdb_test "tstatus" "Trace stopped by a tstop command.*" \
 149     "test tstatus off after tstop"
 150
 151 ## record starting PC
 152 set save_pc [gdb_readexpr "(unsigned long) \$pc"];
 153 if { $save_pc == -1 } then {
 154     fail "could not read PC"
 155     return;
 156 }
 157
 158 # 8.7  tfind start
 159 ## check $trace_frame == 0
 160 gdb_tfind_test "8.7: tfind start command" "start" "0";
 161 ## check $pc != startPC
 162 gdb_test "printf \"x \%d x\\n\", \$pc != $save_pc" \
 163         "x 1 x" \
 164         "8.7b: tfind start"
 165
 166 # 8.8  tfind none
 167 ## check $trace_frame == -1
 168 gdb_tfind_test "8.8: tfind none" "none" "-1";
 169 ## check $pc == startPC
 170 gdb_test "printf \"x \%d x\\n\", \$pc == $save_pc" \
 171         "x 1 x" \
 172         "8.8b: tfind none (restores non-trace PC)"
 173
 174 # 8.9  tfind end
 175 ## check $trace_frame == -1
 176 gdb_tfind_test "8.9: tfind end, selects no frame" "end" "-1";
 177 ## check $pc == startPC
 178 gdb_test "printf \"x \%d x\\n\", \$pc == $save_pc" \
 179         "x 1 x" \
 180         "8.9b: tfind end (restores non-tracing PC)"
 181
 182 # 8.1  tfind n
 183 ## check $trace_frame == n
 184 gdb_tfind_test "8.1: tfind 1" "1" "1"
 185 ## check $trace_line corresponds to tracepoint for frame n
 186 gdb_test "print \$trace_line" "$testline2" "8.1b: tfind 1 (correct line)"
 187
 188 # 8.28 tfind invalid n (big number)
 189 ## check "not found" error
 190 ## check $trace_frame != n
 191 gdb_test "tfind 32767" \
 192         "failed to find.*" \
 193         "8.28: tfind <n> command rejects invalid frame number"
 194
 195 gdb_test "printf \"x \%d x\\n\", \$trace_frame == 32767" \
 196         "x 0 x" \
 197         "8.28: tfind <n> rejected bad input (32767)"
 198
 199 # 8.31 tfind negative n
 200 ## check error
 201 gdb_test "tfind -3" "invalid input.*" "8.31: tfind <n> rejects negative input"
 202 ## check $trace_frame != -n
 203 gdb_test "printf \"x \%d x\\n\", \$trace_frame == -3" "x 0 x" \
 204         "8.31: tfind <n> rejected negative input (-3)"
 205
 206 # 8.10 tfind <no arg>
 207 ## check $trace_frame += 1
 208
 209 gdb_tfind_test "8.10: tfind start" "start" "0";
 210 gdb_test "print \$trace_line" "$baseline"  \
 211         "8.10: tfind 0 (correct line $baseline)"
 212 gdb_tfind_test "8.10: tfind noargument 1" "" "1";
 213 gdb_test "print \$trace_line" "$testline2" \
 214         "8.10: tfind 1 (correct line $testline2)"
 215 gdb_tfind_test "8.10: tfind noargument 2" "" "2";
 216 gdb_test "print \$trace_line" "$testline3" \
 217         "8.10: tfind 2 (correct line $testline3)"
 218 gdb_tfind_test "8.10: tfind noargument 3" "" "3";
 219 gdb_test "print \$trace_line" "$testline4" \
 220         "8.10: tfind 3 (correct line $testline4)"
 221
 222 gdb_tfind_test "8.11: tfind 3" "3" "3";
 223 gdb_test "print \$trace_line" "$testline4" \
 224         "8.11: tfind 3 (correct line $testline4)"
 225 gdb_tfind_test "8.11: tfind backward 2" "-" "2";
 226 gdb_test "print \$trace_line" "$testline3" \
 227         "8.11: tfind 2 (correct line $testline3)"
 228 gdb_tfind_test "8.11: tfind backward 1" "-" "1";
 229 gdb_test "print \$trace_line" "$testline2" \
 230         "8.11: tfind 1 (correct line $testline2)"
 231 gdb_tfind_test "8.11: tfind backward 0" "-" "0";
 232 gdb_test "print \$trace_line" "$baseline"  \
 233         "8.11: tfind 0 (correct line $baseline)"
 234
 235 gdb_tfind_test "8.12: tfind none" "none" "-1";
 236 gdb_tfind_test "8.12: tfind tracepoint <n>" "tracepoint $tdp2" \
 237         "\$tracepoint" "$tdp2";
 238 gdb_test "print \$trace_line" "$testline2" \
 239         "8.12: tfind tracepoint <n> (line $testline2)"
 240
 241 gdb_tfind_test "8.25: tfind none" "none" "-1";
 242 gdb_test "tfind tracepoint 0" "failed to find.*" \
 243         "8.25: tfind tracepoint rejects zero"
 244 gdb_test "tfind tracepoint 32767" "failed to find.*" \
 245         "8.25: tfind tracepoint rejects nonexistant tracepoint (32767)"
 246 gdb_test "tfind tracepoint -1" "failed to find.*" \
 247         "8.25: tfind tracepoint rejects nonexistant tracepoint (-1)"
 248
 249 # 8.37 tfind tracepoint n where n no longer exists (but used to)
 250 gdb_test "delete trace $tdp2" "" ""
 251 gdb_tfind_test "8.37: tfind none" "none" "-1";
 252 gdb_tfind_test "8.37: tfind deleted tracepoint" \
 253         "tracepoint $tdp2" \
 254         "\$tracepoint" "$tdp2";
 255 gdb_test "print \$trace_line" "$testline2" \
 256         "8.37: tfind deleted tracepoint (line $testline2)"
 257
 258 # 8.13 tfind tracepoint <no arg>
 259 ## check $tracepoint same before and after, $trace_frame changed
 260
 261 gdb_tfind_test "8.13: tfind none" "none" "-1";
 262 gdb_tfind_test "8.13: tracepoint $tdp1" "tracepoint $tdp1" \
 263         "\$tracepoint" "$tdp1";
 264 gdb_test "print \$trace_line" "$baseline" \
 265         "8.13: tfind tracepoint $tdp1 (line $baseline)"
 266 gdb_test "set \$save_frame = \$trace_frame" "" ""
 267 gdb_tfind_test "8.13: tracepoint <no arg>" "tracepoint" \
 268         "\$tracepoint" "$tdp1";
 269 gdb_test "printf \"x \%d x\\n\", \$trace_frame == \$save_frame" \
 270         "x 0 x" \
 271         "8.13: tracepoint <no arg>, tracepoint number unchanged"
 272
 273 # 1.12 set tracepoint in prologue
 274 #
 275 # tdp1 was set at *gdb_recursion_test (ie. the hard address of the
 276 # function, before the prologue).  Test to see that it succeeded.
 277 # Current pc should be equal to the address of the function.
 278
 279 gdb_test "printf \"x \%d x\\n\", \$pc == gdb_recursion_test" \
 280         "x 1 x" \
 281         "1.12: set tracepoint in prologue"
 282
 283 # 8.14 tfind pc x
 284 ## check pc == x, $trace_frame != -1
 285 gdb_tfind_test "8.14: tfind 3" "3" "3"
 286 gdb_test "print \$trace_line" "$testline4" \
 287         "8.14: tfind 3 (line $testline4)"
 288
 289 gdb_test "set \$test_pc = \$pc" "" ""
 290 gdb_tfind_test "8.14: tfind none" "none" "-1"
 291 gdb_tfind_test "8.14: tfind pc" "pc \$test_pc" "\$trace_frame != -1" "1";
 292 gdb_test "print \$trace_line" "$testline4" \
 293         "8.14: tfind pc x (line $testline4)"
 294 gdb_test "printf \"x \%d x\\n\", \$pc == \$test_pc" \
 295         "x 1 x" \
 296         "8.14: tfind pc x"
 297
 298 # 8.15 tfind pc <no arg>
 299 ## check pc same before and after, $trace_frame changed
 300 gdb_tfind_test "8.15: tfind 3" "3" "3"
 301 gdb_test "print \$trace_line" "$testline4" \
 302         "8.15: tfind 3 (line $testline4)"
 303 gdb_test "set \$test_pc = \$pc" "" ""
 304 gdb_tfind_test "8.15: tfind pc" "pc" "\$pc == \$test_pc" "1"
 305 gdb_test "print \$trace_line" "$testline4" \
 306         "8.15: tfind pc (line $testline4)"
 307 gdb_test "printf \"x \%d x\\n\", \$trace_frame != 3" "x 1 x" \
 308         "8.15: trace frame didn't change"
 309
 310 # 8.26 tfind pc invalid x
 311 ## check error, pc != x (trace_frame unchanged?)
 312 gdb_tfind_test "8.26: tfind start" "start" "0"
 313 gdb_test "tfind pc  0" "failed to find.*" "8.26: tfind pc zero"
 314 gdb_test "tfind pc -1" "failed to find.*" "8.26: tfind pc -1"
 315
 316 # 8.16 tfind line n
 317 ## check #trace_frame != -1, $trace_line == n
 318 gdb_tfind_test "8.16: tfind none" "none" "-1"
 319 gdb_tfind_test "8.16: tfind line $testline3" \
 320         "line $testline3" \
 321         "\$trace_line == $testline3" "1"
 322
 323 # 8.17 tfind line <no arg> (# 8.19, 8.20)
 324 ## check $trace_line changed, no error, pc changed, frame changed, tdp changed
 325 gdb_tfind_test "8.17: tfind none" "none" "-1"
 326 gdb_tfind_test "8.17: tfind line $testline3" "line $testline3" "\$trace_line == $testline3" "1"
 327 gdb_tfind_test "8.17: tfind line <no arg>" "line" "\$trace_line != $testline3" "1"
 328
 329 # 8.36 tfind and disassembly
 330 gdb_tfind_test "8.36: tfind start" "start" "0"
 331 set timeout 60
 332 send_gdb "disassemble gdb_c_test\n"
 333 # look for disassembly of function label
 334 gdb_expect {
 335     -re "<(\.\[0-9\]+|)>:.*End of assembler dump.*$gdb_prompt $"      { pass "8.36: trace disassembly" }
 336     -re ".*$gdb_prompt $"                   { fail "8.36: trace disassembly" }
 337     timeout                       { fail "8.36: trace disassembly (timeout)" }
 338 }
 339
 340 gdb_test "tfind line 0" \
 341         "out of range.*|failed to find.*" \
 342         "8.18: tfind line 0";
 343 gdb_test "tfind line 32767" \
 344         "out of range.*|failed to find.*" \
 345         "8.27: tfind line 32767";
 346 gdb_test "tfind line NoSuChFiLe.c:$baseline" \
 347         "No source file named.*" \
 348         "8.27: tfind line in bad source file";
 349
 350 # 8.32 tfind invalid subcommand (tfind foo)
 351 ## check error
 352 gdb_test "tfind NoSuChOpTiOn 21" \
 353         "No symbol.*|\[Ww\]arning.*|\[Ee\]rror.*" \
 354         "8.32: tfind with bad subcommand"
 355
 356 # 8.38 test help tfind
 357 gdb_test "help tfind"       "Select a trace frame.*"      \
 358         "8.38: help tfind"
 359 gdb_test "help tfind pc"    "Select a trace frame by PC.*" \
 360         "8.38: help tfind PC"
 361 gdb_test "help tfind end"   "Synonym for 'none'.*"        \
 362         "8.38: help tfind end"
 363 gdb_test "help tfind none"  "De-select any trace frame.*" \
 364         "8.38: help tfind none"
 365 gdb_test "help tfind line"  "Select a trace frame by source line.*" \
 366         "8.38: help tfind line"
 367 gdb_test "help tfind start" "Select the first trace frame.*" \
 368         "8.38: help tfind start"
 369 gdb_test "help tfind range" "Select a trace frame whose PC is in.*" \
 370         "8.38: help tfind range"
 371 gdb_test "help tfind trace" "Select a trace frame by tracepoint number.*" \
 372         "8.38: help tfind tracepoint"
 373
 374 # Finished!
 375 gdb_tfind_test "8.17: tfind none" "none" "-1"