gdb/testsuite/gdb.trace/tfind.exp

   1 #   Copyright 1998-2023 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 standard_testfile actions.c
  21
  22 require gdb_trace_common_supports_arch
  23
  24 if { [gdb_compile "$srcdir/$subdir/$srcfile" "$binfile" \
  25           executable {debug nowarnings nopie}] != "" } {
  26     untested "failed to compile"
  27     return -1
  28 }
  29
  30 clean_restart $binfile
  31
  32 # 6.2 test help tstart
  33 gdb_test "help tstart" \
  34     "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\\)\." \
  35     "6.2: help tstart"
  36 # 7.2 test help tstop
  37 gdb_test "help tstop" \
  38     "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\\)\." \
  39     "7.2: help tstop"
  40
  41 # 8.38 test help tfind
  42 gdb_test "help tfind"       "Select a trace frame.*"      \
  43         "8.38: help tfind"
  44 gdb_test "help tfind pc"    "Select a trace frame by PC.*" \
  45         "8.38: help tfind PC"
  46 gdb_test "help tfind end"   "De-select any trace frame.*" \
  47         "8.38: help tfind end"
  48 gdb_test "help tfind none"  "De-select any trace frame.*" \
  49         "8.38: help tfind none"
  50 gdb_test "help tfind line"  "Select a trace frame by source line.*" \
  51         "8.38: help tfind line"
  52 gdb_test "help tfind start" "Select the first trace frame.*" \
  53         "8.38: help tfind start"
  54 gdb_test "help tfind range" "Select a trace frame whose PC is in.*" \
  55         "8.38: help tfind range"
  56 gdb_test "help tfind trace" "Select a trace frame by tracepoint number.*" \
  57         "8.38: help tfind tracepoint"
  58
  59 runto_main
  60
  61 if {![gdb_target_supports_trace]} {
  62     unsupported "current target does not support trace"
  63     return 1
  64
  65 }
  66
  67 # If testing on a remote host, download the source file.
  68 # remote_download host $srcdir/$subdir/$srcfile
  69
  70 # define relative source line numbers:
  71 # all subsequent line numbers are relative to this first one (baseline)
  72 set baseline  [gdb_find_recursion_test_baseline $srcfile]
  73 if {$baseline == -1} {
  74     fail "could not find gdb_recursion_test function"
  75     return
  76 }
  77
  78 set testline1 [expr $baseline + 1]
  79 set testline2 [expr $baseline + 5]
  80 set testline3 [expr $baseline + 6]
  81 set testline4 [expr $baseline + 7]
  82 set testline5 [expr $baseline + 8]
  83
  84 #
  85 # test tfind command
  86 #
  87
  88 gdb_delete_tracepoints
  89 set tdp1 [gdb_gettpnum "\*gdb_recursion_test"]
  90 set tdp2 [gdb_gettpnum $testline2]
  91 set tdp3 [gdb_gettpnum $testline3]
  92 set tdp4 [gdb_gettpnum $testline4]
  93 set tdp5 [gdb_gettpnum $testline5]
  94 if { $tdp1 <= 0 || $tdp2 <= 0 || $tdp3 <= 0 || \
  95      $tdp4 <= 0 || $tdp5 <= 0 } then {
  96     fail "setting tracepoints"
  97     return
  98 }
  99
 100 # 6.1 test tstart command
 101
 102 set return_me 1
 103 gdb_test_multiple "tstart" "6.1: tstart" {
 104     -re "Trace can only be run on remote targets.*$gdb_prompt $" {
 105         fail "6.1: tstart (not connected to remote?)"
 106     }
 107     -re "Target does not support this command.*$gdb_prompt $" {
 108         fail "6.1: tstart (connected to wrong target?)"
 109     }
 110     -re "Target returns error code.*$gdb_prompt $" {
 111         fail "6.1: tstart (connected to wrong target?)"
 112     }
 113     -re "$gdb_prompt $" {
 114         pass "6.1: tstart"
 115         set return_me 0
 116     }
 117 }
 118
 119 if {$return_me == 1} {
 120     return -1
 121 }
 122
 123 # test tstatus (when trace on)
 124 gdb_test "tstatus" "\[Tt\]race is running.*" "test tstatus on"
 125
 126 gdb_breakpoint "end" qualified
 127 gdb_test "continue" \
 128     "Continuing.*Breakpoint $decimal, end.*" \
 129     "run trace experiment"
 130
 131 # 7.1 test tstop command
 132
 133 set return_me 1
 134 gdb_test_multiple "tstop" "7.1: tstop" {
 135     -re "Trace can only be run on remote targets.*$gdb_prompt $" {
 136         fail "7.1: tstop (not connected to remote?)"
 137     }
 138     -re "Target does not support this command.*$gdb_prompt $" {
 139         fail "7.1: tstop (connected to wrong target?)"
 140     }
 141     -re "Target returns error code.*$gdb_prompt $" {
 142         fail "7.1: tstop (connected to wrong target?)"
 143     }
 144     -re "$gdb_prompt $" {
 145         pass "7.1: tstop"
 146         set return_me 0
 147     }
 148 }
 149
 150 if {$return_me == 1} {
 151     return -1
 152 }
 153
 154 # test tstatus (when trace off)
 155 gdb_test "tstatus" "Trace stopped by a tstop command.*" \
 156     "test tstatus off after tstop"
 157
 158 ## record starting PC
 159 set save_pc [gdb_readexpr "(unsigned long) \$pc"]
 160 if {$save_pc == -1} {
 161     fail "could not read PC"
 162     return
 163 }
 164
 165 # 8.7  tfind start
 166 ## check $trace_frame == 0
 167 gdb_tfind_test "8.7: tfind start command" "start" "0"
 168 ## check $pc != startPC
 169 gdb_test "printf \"x \%d x\\n\", \$pc != $save_pc" \
 170         "x 1 x" \
 171         "8.7b: tfind start"
 172
 173 # 8.8  tfind none
 174 ## check $trace_frame == -1
 175 gdb_tfind_test "8.8: tfind none" "none" "-1"
 176 ## check $pc == startPC
 177 gdb_test "printf \"x \%d x\\n\", \$pc == $save_pc" \
 178         "x 1 x" \
 179         "8.8b: tfind none (restores non-trace PC)"
 180
 181 # 8.9  tfind end
 182 ## check $trace_frame == -1
 183 gdb_tfind_test "8.9: tfind end, selects no frame" "end" "-1"
 184 ## check $pc == startPC
 185 gdb_test "printf \"x \%d x\\n\", \$pc == $save_pc" \
 186         "x 1 x" \
 187         "8.9b: tfind end (restores non-tracing PC)"
 188
 189 # 8.1  tfind n
 190 ## check $trace_frame == n
 191 gdb_tfind_test "8.1: tfind 1" "1" "1"
 192 ## check $trace_line corresponds to tracepoint for frame n
 193 gdb_test "print \$trace_line" "$testline2" "8.1b: tfind 1 (correct line)"
 194
 195 # 8.28 tfind invalid n (big number)
 196 ## check "not found" error
 197 ## check $trace_frame != n
 198 gdb_test "tfind 32767" \
 199         "failed to find.*" \
 200         "8.28: tfind <n> command rejects invalid frame number"
 201
 202 gdb_test "printf \"x \%d x\\n\", \$trace_frame == 32767" \
 203         "x 0 x" \
 204         "8.28: tfind <n> rejected bad input (32767)"
 205
 206 # 8.31 tfind negative n
 207 ## check error
 208 gdb_test "tfind -3" "invalid input.*" "8.31: tfind <n> rejects negative input"
 209 ## check $trace_frame != -n
 210 gdb_test "printf \"x \%d x\\n\", \$trace_frame == -3" "x 0 x" \
 211         "8.31: tfind <n> rejected negative input (-3)"
 212
 213 # 8.10 tfind <no arg>
 214 ## check $trace_frame += 1
 215
 216 gdb_tfind_test "8.10: tfind start" "start" "0"
 217 gdb_test "print \$trace_line" "$baseline"  \
 218         "8.10: tfind 0 (correct line $baseline)"
 219 gdb_tfind_test "8.10: tfind noargument 1" "" "1"
 220 gdb_test "print \$trace_line" "$testline2" \
 221         "8.10: tfind 1 (correct line $testline2)"
 222 gdb_tfind_test "8.10: tfind noargument 2" "" "2"
 223 gdb_test "print \$trace_line" "$testline3" \
 224         "8.10: tfind 2 (correct line $testline3)"
 225 gdb_tfind_test "8.10: tfind noargument 3" "" "3"
 226 gdb_test "print \$trace_line" "$testline4" \
 227         "8.10: tfind 3 (correct line $testline4)"
 228
 229 gdb_tfind_test "8.11: tfind 3" "3" "3"
 230 gdb_test "print \$trace_line" "$testline4" \
 231         "8.11: tfind 3 (correct line $testline4)"
 232 gdb_tfind_test "8.11: tfind backward 2" "-" "2"
 233 gdb_test "print \$trace_line" "$testline3" \
 234         "8.11: tfind 2 (correct line $testline3)"
 235 gdb_tfind_test "8.11: tfind backward 1" "-" "1"
 236 gdb_test "print \$trace_line" "$testline2" \
 237         "8.11: tfind 1 (correct line $testline2)"
 238 gdb_tfind_test "8.11: tfind backward 0" "-" "0"
 239 gdb_test "print \$trace_line" "$baseline"  \
 240         "8.11: tfind 0 (correct line $baseline)"
 241
 242 gdb_tfind_test "8.12: tfind none" "none" "-1"
 243 gdb_tfind_test "8.12: tfind tracepoint <n>" "tracepoint $tdp2" \
 244         "\$tracepoint" "$tdp2"
 245 gdb_test "print \$trace_line" "$testline2" \
 246         "8.12: tfind tracepoint <n> (line $testline2)"
 247
 248 gdb_tfind_test "8.25: tfind none" "none" "-1"
 249 gdb_test "tfind tracepoint 0" "failed to find.*" \
 250         "8.25: tfind tracepoint rejects zero"
 251 gdb_test "tfind tracepoint 32767" "failed to find.*" \
 252         "8.25: tfind tracepoint rejects nonexistant tracepoint (32767)"
 253 gdb_test "tfind tracepoint -1" "failed to find.*" \
 254         "8.25: tfind tracepoint rejects nonexistant tracepoint (-1)"
 255
 256 # 8.37 tfind tracepoint n where n no longer exists (but used to)
 257 gdb_test_no_output "delete trace $tdp2" ""
 258 gdb_tfind_test "8.37: tfind none" "none" "-1"
 259 gdb_tfind_test "8.37: tfind deleted tracepoint" \
 260         "tracepoint $tdp2" \
 261         "\$tracepoint" "$tdp2"
 262 gdb_test "print \$trace_line" "$testline2" \
 263         "8.37: tfind deleted tracepoint (line $testline2)"
 264
 265 # 8.13 tfind tracepoint <no arg>
 266 ## check $tracepoint same before and after, $trace_frame changed
 267
 268 gdb_tfind_test "8.13: tfind none" "none" "-1"
 269 gdb_tfind_test "8.13: tracepoint $tdp1" "tracepoint $tdp1" \
 270         "\$tracepoint" "$tdp1"
 271 gdb_test "print \$trace_line" "$baseline" \
 272         "8.13: tfind tracepoint $tdp1 (line $baseline)"
 273 gdb_test_no_output "set \$save_frame = \$trace_frame" ""
 274 gdb_tfind_test "8.13: tracepoint <no arg>" "tracepoint" \
 275         "\$tracepoint" "$tdp1"
 276 gdb_test "printf \"x \%d x\\n\", \$trace_frame == \$save_frame" \
 277         "x 0 x" \
 278         "8.13: tracepoint <no arg>, tracepoint number unchanged"
 279
 280 # 1.12 set tracepoint in prologue
 281 #
 282 # tdp1 was set at *gdb_recursion_test (ie. the hard address of the
 283 # function, before the prologue).  Test to see that it succeeded.
 284 # Current pc should be equal to the address of the function.
 285
 286 gdb_test "printf \"x \%d x\\n\", \$pc == gdb_recursion_test" \
 287         "x 1 x" \
 288         "1.12: set tracepoint in prologue"
 289
 290 # 8.14 tfind pc x
 291 ## check pc == x, $trace_frame != -1
 292 gdb_tfind_test "8.14: tfind 3" "3" "3"
 293 gdb_test "print \$trace_line" "$testline4" \
 294         "8.14: tfind 3 (line $testline4)"
 295
 296 gdb_test_no_output "set \$test_pc = \$pc" "8.14: set \$test_pc"
 297 gdb_tfind_test "8.14: tfind none" "none" "-1"
 298 gdb_tfind_test "8.14: tfind pc" "pc \$test_pc" "\$trace_frame != -1" "1"
 299 gdb_test "print \$trace_line" "$testline4" \
 300         "8.14: tfind pc x (line $testline4)"
 301 gdb_test "printf \"x \%d x\\n\", \$pc == \$test_pc" \
 302         "x 1 x" \
 303         "8.14: tfind pc x"
 304
 305 # 8.15 tfind pc <no arg>
 306 ## check pc same before and after, $trace_frame changed
 307 gdb_tfind_test "8.15: tfind 3" "3" "3"
 308 gdb_test "print \$trace_line" "$testline4" \
 309         "8.15: tfind 3 (line $testline4)"
 310 gdb_test_no_output "set \$test_pc = \$pc" "8.15: set \$test_pc"
 311 gdb_tfind_test "8.15: tfind pc" "pc" "\$pc == \$test_pc" "1"
 312 gdb_test "print \$trace_line" "$testline4" \
 313         "8.15: tfind pc (line $testline4)"
 314 gdb_test "printf \"x \%d x\\n\", \$trace_frame != 3" "x 1 x" \
 315         "8.15: trace frame didn't change"
 316
 317 # 8.26 tfind pc invalid x
 318 ## check error, pc != x (trace_frame unchanged?)
 319 gdb_tfind_test "8.26: tfind start" "start" "0"
 320 gdb_test "tfind pc  0" "failed to find.*" "8.26: tfind pc zero"
 321 gdb_test "tfind pc -1" "failed to find.*" "8.26: tfind pc -1"
 322
 323 # 8.16 tfind line n
 324 ## check #trace_frame != -1, $trace_line == n
 325 gdb_tfind_test "8.16: tfind none" "none" "-1"
 326 gdb_tfind_test "8.16: tfind line $testline3" \
 327         "line $testline3" \
 328         "\$trace_line == $testline3" "1"
 329
 330 # 8.17 tfind line <no arg> (# 8.19, 8.20)
 331 ## check $trace_line changed, no error, pc changed, frame changed, tdp changed
 332 gdb_tfind_test "8.17: tfind none" "none" "-1"
 333 gdb_tfind_test "8.17: tfind line $testline3" "line $testline3" "\$trace_line == $testline3" "1"
 334 gdb_tfind_test "8.17: tfind line <no arg>" "line" "\$trace_line != $testline3" "1"
 335
 336 # 8.36 tfind and disassembly
 337 gdb_tfind_test "8.36: tfind start" "start" "0"
 338 set timeout 60
 339 # look for disassembly of function label
 340 gdb_test "disassemble gdb_c_test" \
 341     "<(\.\[0-9\]+|)>:.*End of assembler dump.*" \
 342     "8.36: trace disassembly"
 343
 344 gdb_test "tfind line 0" \
 345         "out of range.*|failed to find.*|No line 0 in .*" \
 346         "8.18: tfind line 0"
 347 gdb_test "tfind line 32767" \
 348         "out of range.*|failed to find.*|No line 32767 in .*" \
 349         "8.27: tfind line 32767"
 350 gdb_test "tfind line NoSuChFiLe.c:$baseline" \
 351         "No source file named.*" \
 352         "8.27: tfind line in bad source file"
 353
 354 # 8.32 tfind invalid subcommand (tfind foo)
 355 ## check error
 356 gdb_test "tfind NoSuChOpTiOn 21" \
 357         "No symbol.*|\[Ww\]arning.*|\[Ee\]rror.*" \
 358         "8.32: tfind with bad subcommand"
 359
 360 # Finished!
 361 gdb_tfind_test "tfind none" "none" "-1"