gdb/testsuite/gdb.base/dump.exp

   1 # Copyright 2002, 2004, 2007, 2008, 2009 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@redhat.com)
  17 # This is a test for the gdb command "dump".
  18
  19 if $tracelevel then {
  20         strace $tracelevel
  21 }
  22
  23 set prms_id 0
  24 set bug_id 0
  25
  26 set testfile "dump"
  27
  28 set srcfile  ${testfile}.c
  29 set binfile  ${objdir}/${subdir}/${testfile}
  30 set options  {debug}
  31
  32 set is64bitonly "no"
  33 set endian "auto"
  34
  35 if [istarget "alpha*-*-*"] then {
  36     # SREC etc cannot handle 64-bit addresses.  Force the test
  37     # program into the low 31 bits of the address space.
  38     lappend options "additional_flags=-Wl,-taso"
  39 }
  40
  41 if {[istarget "ia64*-*-*"] || [istarget "hppa64-*-*"]} then {
  42     set is64bitonly "yes"
  43 }
  44
  45 if {[istarget "spu*-*-*"]} then {
  46     # The internal address format used for the combined Cell/B.E.
  47     # debugger requires 64-bit.
  48     set is64bitonly "yes"
  49 }
  50
  51 if  { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable ${options}] != "" } {
  52      untested dump.exp
  53      return -1
  54 }
  55
  56 # Start with a fresh gdb.
  57
  58 gdb_exit
  59 gdb_start
  60 gdb_reinitialize_dir $srcdir/$subdir
  61
  62 gdb_test "dump mem /dev/null 0x10 0x20" "Cannot access memory at address 0x10" \
  63          "inaccessible memory is reported"
  64
  65 gdb_load ${binfile}
  66
  67 # Clean up any stale output files from previous test runs
  68
  69 remote_exec build "rm -f intarr1.bin intarr1b.bin intarr1.ihex intarr1.srec intarr1.tekhex intarr2.bin intarr2b.bin intarr2.ihex intarr2.srec intarr2.tekhex intstr1.bin intstr1b.bin intstr1.ihex intstr1.srec intstr1.tekhex intstr2.bin intstr2b.bin intstr2.ihex intstr2.srec intstr2.tekhex intarr3.srec"
  70
  71 # Test help (FIXME:)
  72
  73 # Run target program until data structs are initialized.
  74
  75 if { ! [ runto checkpoint1 ] } then {
  76     untested dump.exp
  77     return -1
  78 }
  79
  80 # Get the endianness for the later use with endianless formats.
  81
  82 send_gdb "show endian\n"
  83 gdb_expect {
  84     -re ".* (big|little) endian.*$gdb_prompt $" {
  85         set endian $expect_out(1,string)
  86         pass "endianness: $endian"
  87     }
  88     default {
  89         fail "(timeout) getting target endianness"
  90     }
  91 }
  92
  93 # Now generate some dump files.
  94
  95 proc make_dump_file { command msg } {
  96   global gdb_prompt
  97
  98     send_gdb "${command}\n"
  99     gdb_expect {
 100         -re ".*\[Ee\]rror.*$gdb_prompt $"      { fail $msg }
 101         -re ".*\[Ww\]arning.*$gdb_prompt $"    { fail $msg }
 102         -re ".*\[Uu\]ndefined .*$gdb_prompt $" { fail $msg }
 103         -re ".*$gdb_prompt $" { pass $msg }
 104         timeout                                { fail "$msg (timeout)" }
 105     }
 106 }
 107
 108 make_dump_file "dump val intarr1.bin intarray" \
 109         "dump array as value, default"
 110
 111 make_dump_file "dump val intstr1.bin intstruct" \
 112         "dump struct as value, default"
 113
 114 make_dump_file "dump bin val intarr1b.bin intarray" \
 115         "dump array as value, binary"
 116
 117 make_dump_file "dump bin val intstr1b.bin intstruct" \
 118         "dump struct as value, binary"
 119
 120 make_dump_file "dump srec val intarr1.srec intarray" \
 121         "dump array as value, srec"
 122
 123 make_dump_file "dump srec val intstr1.srec intstruct" \
 124         "dump struct as value, srec"
 125
 126 make_dump_file "dump ihex val intarr1.ihex intarray" \
 127         "dump array as value, intel hex"
 128
 129 make_dump_file "dump ihex val intstr1.ihex intstruct" \
 130         "dump struct as value, intel hex"
 131
 132 make_dump_file "dump tekhex val intarr1.tekhex intarray" \
 133         "dump array as value, tekhex"
 134
 135 make_dump_file "dump tekhex val intstr1.tekhex intstruct" \
 136         "dump struct as value, tekhex"
 137
 138 proc capture_value { expression args } {
 139     global gdb_prompt
 140     global expect_out
 141
 142     set output_string ""
 143     if {[llength $args] > 0} {
 144         # Convert $args into a simple string.
 145         set test "[join $args]; capture $expression"
 146     } {
 147         set test "capture $expression"
 148     }
 149     gdb_test_multiple "print ${expression}" "$test" {
 150         -re "\\$\[0-9\]+ = (\[^\r\n\]+).*$gdb_prompt $" {
 151             set output_string "$expect_out(1,string)"
 152             pass "$test"
 153         }
 154         -re "(Cannot access memory at address \[^\r\n\]+).*$gdb_prompt $" {
 155             # Even a failed value is valid
 156             set output_string "$expect_out(1,string)"
 157             pass "$test"
 158         }
 159     }
 160     return $output_string
 161 }
 162
 163 set array_start  [capture_value "/x &intarray\[0\]"]
 164 set array_end    [capture_value "/x &intarray\[32\]"]
 165 set struct_start [capture_value "/x &intstruct"]
 166 set struct_end   [capture_value "/x &intstruct + 1"]
 167
 168 set array_val    [capture_value "intarray"]
 169 set struct_val   [capture_value "intstruct"]
 170
 171 make_dump_file "dump mem intarr2.bin $array_start $array_end" \
 172         "dump array as memory, default"
 173
 174 make_dump_file "dump  mem intstr2.bin $struct_start $struct_end" \
 175         "dump struct as memory, default"
 176
 177 make_dump_file "dump bin mem intarr2b.bin $array_start $array_end" \
 178         "dump array as memory, binary"
 179
 180 make_dump_file "dump bin mem intstr2b.bin $struct_start $struct_end" \
 181         "dump struct as memory, binary"
 182
 183 make_dump_file "dump srec mem intarr2.srec $array_start $array_end" \
 184         "dump array as memory, srec"
 185
 186 make_dump_file "dump srec mem intstr2.srec $struct_start $struct_end" \
 187         "dump struct as memory, srec"
 188
 189 make_dump_file "dump ihex mem intarr2.ihex $array_start $array_end" \
 190         "dump array as memory, ihex"
 191
 192 make_dump_file "dump ihex mem intstr2.ihex $struct_start $struct_end" \
 193         "dump struct as memory, ihex"
 194
 195 make_dump_file "dump tekhex mem intarr2.tekhex $array_start $array_end" \
 196         "dump array as memory, tekhex"
 197
 198 make_dump_file "dump tekhex mem intstr2.tekhex $struct_start $struct_end" \
 199         "dump struct as memory, tekhex"
 200
 201 # test complex expressions
 202 make_dump_file \
 203         "dump srec mem intarr3.srec &intarray \(char *\) &intarray + sizeof intarray" \
 204         "dump array as mem, srec, expressions"
 205
 206
 207 # Now start a fresh gdb session, and reload the saved value files.
 208
 209 gdb_exit
 210 gdb_start
 211 gdb_file_cmd ${binfile}
 212
 213 # Now fix the endianness at the correct state.
 214
 215 send_gdb "set endian $endian\n"
 216 gdb_expect {
 217     -re ".* (big|little) endian.*$gdb_prompt $" {
 218         pass "setting $endian endianness"
 219     }
 220     default {
 221         fail "(timeout) setting $endian endianness"
 222     }
 223 }
 224
 225 # Reload saved values one by one, and compare.
 226
 227 if { ![string compare $array_val \
 228            [capture_value "intarray" "file binfile"]] } then {
 229     fail "start with intarray un-initialized"
 230 } else {
 231     pass "start with intarray un-initialized"
 232 }
 233
 234 if { ![string compare $struct_val \
 235            [capture_value "intstruct" "file binfile"]] } then {
 236     fail "start with intstruct un-initialized"
 237 } else {
 238     pass "start with intstruct un-initialized"
 239 }
 240
 241 proc test_reload_saved_value { filename msg oldval newval } {
 242     global gdb_prompt
 243
 244     gdb_file_cmd $filename
 245     if { ![string compare $oldval \
 246                [capture_value $newval "$msg"]] } then {
 247         pass "$msg; value restored ok"
 248     } else {
 249         fail "$msg; value restored ok"
 250     }
 251 }
 252
 253 proc test_restore_saved_value { restore_args msg oldval newval } {
 254     global gdb_prompt
 255
 256     gdb_test "restore $restore_args" \
 257         "Restoring .*" \
 258         "$msg; file restored ok"
 259     if { ![string compare $oldval \
 260                [capture_value $newval "$msg"]] } then {
 261         pass "$msg; value restored ok"
 262     } else {
 263         fail "$msg; value restored ok"
 264     }
 265 }
 266
 267 # srec format can not be loaded for 64-bit-only platforms
 268 if ![string compare $is64bitonly "no"] then {
 269   test_reload_saved_value "intarr1.srec" "reload array as value, srec" \
 270         $array_val "intarray"
 271   test_reload_saved_value "intstr1.srec" "reload struct as value, srec" \
 272         $struct_val "intstruct"
 273   test_reload_saved_value "intarr2.srec" "reload array as memory, srec" \
 274         $array_val "intarray"
 275   test_reload_saved_value "intstr2.srec" "reload struct as memory, srec" \
 276         $struct_val "intstruct"
 277 }
 278
 279 # ihex format can not be loaded for 64-bit-only platforms
 280 if ![string compare $is64bitonly "no"] then {
 281
 282   test_reload_saved_value "intarr1.ihex" "reload array as value, intel hex" \
 283         $array_val "intarray"
 284   test_reload_saved_value "intstr1.ihex" "reload struct as value, intel hex" \
 285         $struct_val "intstruct"
 286   test_reload_saved_value "intarr2.ihex" "reload array as memory, intel hex" \
 287         $array_val "intarray"
 288   test_reload_saved_value "intstr2.ihex" "reload struct as memory, intel hex" \
 289         $struct_val "intstruct"
 290 }
 291
 292 # tekhex format can not be loaded for 64-bit-only platforms
 293 if ![string compare $is64bitonly "no"] then {
 294   test_reload_saved_value "intarr1.tekhex" "reload array as value, tekhex" \
 295         $array_val "intarray"
 296   test_reload_saved_value "intstr1.tekhex" "reload struct as value, tekhex" \
 297         $struct_val "intstruct"
 298   test_reload_saved_value "intarr2.tekhex" "reload array as memory, tekhex" \
 299         $array_val "intarray"
 300   test_reload_saved_value "intstr2.tekhex" "reload struct as memory, tekhex" \
 301         $struct_val "intstruct"
 302 }
 303
 304 # Start a fresh gdb session
 305
 306 gdb_exit
 307 gdb_start
 308 gdb_reinitialize_dir $srcdir/$subdir
 309 gdb_load ${binfile}
 310
 311 # Run to main.
 312 if { ! [ runto_main ] } then {
 313     untested dump.exp
 314     return -1
 315 }
 316
 317 if { ![string compare $array_val \
 318            [capture_value "intarray" "load binfile"]] } then {
 319     fail "start with intarray un-initialized, runto main"
 320 } else {
 321     pass "start with intarray un-initialized, runto main"
 322 }
 323
 324 if { ![string compare $struct_val \
 325            [capture_value "intstruct" "load binfile"]] } then {
 326     fail "start with intstruct un-initialized, runto main"
 327 } else {
 328     pass "start with intstruct un-initialized, runto main"
 329 }
 330
 331 if ![string compare $is64bitonly "no"] then {
 332   test_restore_saved_value "intarr1.srec" "array as value, srec" \
 333         $array_val "intarray"
 334
 335   test_restore_saved_value "intstr1.srec" "struct as value, srec" \
 336         $struct_val "intstruct"
 337
 338   gdb_test "print zero_all ()" "void" "zero all"
 339
 340   test_restore_saved_value "intarr2.srec" "array as memory, srec" \
 341         $array_val "intarray"
 342
 343   test_restore_saved_value "intstr2.srec" "struct as memory, srec" \
 344         $struct_val "intstruct"
 345
 346   gdb_test "print zero_all ()" ""
 347
 348   test_restore_saved_value "intarr1.ihex" "array as value, ihex" \
 349         $array_val "intarray"
 350
 351   test_restore_saved_value "intstr1.ihex" "struct as value, ihex" \
 352         $struct_val "intstruct"
 353
 354   gdb_test "print zero_all ()" ""
 355
 356   test_restore_saved_value "intarr2.ihex" "array as memory, ihex" \
 357         $array_val "intarray"
 358
 359   test_restore_saved_value "intstr2.ihex" "struct as memory, ihex" \
 360         $struct_val "intstruct"
 361
 362   gdb_test "print zero_all ()" ""
 363
 364   test_restore_saved_value "intarr1.tekhex" "array as value, tekhex" \
 365         $array_val "intarray"
 366
 367   test_restore_saved_value "intstr1.tekhex" "struct as value, tekhex" \
 368         $struct_val "intstruct"
 369
 370   gdb_test "print zero_all ()" ""
 371
 372   test_restore_saved_value "intarr2.tekhex" "array as memory, tekhex" \
 373         $array_val "intarray"
 374
 375   test_restore_saved_value "intstr2.tekhex" "struct as memory, tekhex" \
 376         $struct_val "intstruct"
 377 }
 378
 379 gdb_test "print zero_all ()" ""
 380
 381 test_restore_saved_value "intarr1.bin binary $array_start" \
 382         "array as value, binary" \
 383         $array_val "intarray"
 384
 385 test_restore_saved_value "intstr1.bin binary $struct_start" \
 386         "struct as value, binary" \
 387         $struct_val "intstruct"
 388
 389 gdb_test "print zero_all ()" ""
 390
 391 test_restore_saved_value "intarr2.bin binary $array_start" \
 392         "array as memory, binary" \
 393         $array_val "intarray"
 394
 395 test_restore_saved_value "intstr2.bin binary $struct_start" \
 396         "struct as memory, binary" \
 397         $struct_val "intstruct"
 398
 399 # test restore with offset.
 400
 401 set array2_start   [capture_value "/x &intarray2\[0\]"]
 402 set struct2_start  [capture_value "/x &intstruct2"]
 403 set array2_offset  \
 404         [capture_value "(char *) &intarray2 - (char *) &intarray"]
 405 set struct2_offset \
 406         [capture_value "(char *) &intstruct2 - (char *) &intstruct"]
 407
 408 gdb_test "print zero_all ()" ""
 409
 410
 411 if ![string compare $is64bitonly "no"] then {
 412   test_restore_saved_value "intarr1.srec $array2_offset" \
 413         "array copy, srec" \
 414         $array_val "intarray2"
 415
 416   test_restore_saved_value "intstr1.srec $struct2_offset" \
 417         "struct copy, srec" \
 418         $struct_val "intstruct2"
 419
 420   gdb_test "print zero_all ()" ""
 421
 422   test_restore_saved_value "intarr1.ihex $array2_offset" \
 423         "array copy, ihex" \
 424         $array_val "intarray2"
 425
 426   test_restore_saved_value "intstr1.ihex $struct2_offset" \
 427         "struct copy, ihex" \
 428         $struct_val "intstruct2"
 429
 430   gdb_test "print zero_all ()" ""
 431
 432   test_restore_saved_value "intarr1.tekhex $array2_offset" \
 433         "array copy, tekhex" \
 434         $array_val "intarray2"
 435
 436   test_restore_saved_value "intstr1.tekhex $struct2_offset" \
 437         "struct copy, tekhex" \
 438         $struct_val "intstruct2"
 439 }
 440
 441 gdb_test "print zero_all ()" ""
 442
 443 test_restore_saved_value "intarr1.bin binary $array2_start" \
 444         "array copy, binary" \
 445         $array_val "intarray2"
 446
 447 test_restore_saved_value "intstr1.bin binary $struct2_start" \
 448         "struct copy, binary" \
 449         $struct_val "intstruct2"
 450
 451 #
 452 # test restore with start/stop addresses.
 453 #
 454 # For this purpose, we will restore just the third element of the array,
 455 # and check to see that adjacent elements are not modified.
 456 #
 457 # We will need the address and offset of the third and fourth elements.
 458 #
 459
 460 set element3_start  [capture_value "/x &intarray\[3\]"]
 461 set element4_start  [capture_value "/x &intarray\[4\]"]
 462 set element3_offset \
 463         [capture_value "/x (char *) &intarray\[3\] - (char *) &intarray\[0\]"]
 464 set element4_offset \
 465         [capture_value "/x (char *) &intarray\[4\] - (char *) &intarray\[0\]"]
 466
 467 if ![string compare $is64bitonly "no"] then {
 468   gdb_test "print zero_all ()" ""
 469
 470   test_restore_saved_value "intarr1.srec 0 $element3_start $element4_start" \
 471         "array partial, srec" 4 "intarray\[3\]"
 472
 473   gdb_test "print intarray\[2\] == 0" " = 1" "element 2 not changed - 1"
 474   gdb_test "print intarray\[4\] == 0" " = 1" "element 4 not changed - 1"
 475
 476   gdb_test "print zero_all ()" ""
 477
 478   test_restore_saved_value "intarr1.ihex 0 $element3_start $element4_start" \
 479         "array partial, ihex" 4 "intarray\[3\]"
 480
 481   gdb_test "print intarray\[2\] == 0" " = 1" "element 2 not changed - 2"
 482   gdb_test "print intarray\[4\] == 0" " = 1" "element 4 not changed - 2"
 483
 484   gdb_test "print zero_all ()" ""
 485
 486   test_restore_saved_value "intarr1.tekhex 0 $element3_start $element4_start" \
 487         "array partial, tekhex" 4 "intarray\[3\]"
 488
 489   gdb_test "print intarray\[2\] == 0" " = 1" "element 2 not changed - 3"
 490   gdb_test "print intarray\[4\] == 0" " = 1" "element 4 not changed - 3"
 491 }
 492
 493 gdb_test "print zero_all ()" ""
 494
 495 test_restore_saved_value \
 496     "intarr1.bin binary $array_start $element3_offset $element4_offset" \
 497     "array partial, binary" 4 "intarray\[3\]"
 498
 499 gdb_test "print intarray\[2\] == 0" " = 1" "element 2 not changed - 4"
 500 gdb_test "print intarray\[4\] == 0" " = 1" "element 4 not changed - 4"
 501
 502 if ![string compare $is64bitonly "no"] then {
 503   gdb_test "print zero_all ()" "" ""
 504
 505   # restore with expressions
 506   test_restore_saved_value \
 507         "intarr3.srec ${array2_start}-${array_start} &intarray\[3\] &intarray\[4\]" \
 508         "array partial with expressions" 4 "intarray2\[3\]"
 509
 510   gdb_test "print intarray2\[2\] == 0" " = 1" "element 2 not changed, == 4"
 511   gdb_test "print intarray2\[4\] == 0" " = 1" "element 4 not changed, == 4"
 512 }
 513
 514 # clean up files
 515
 516 remote_exec build "rm -f intarr1.bin intarr1b.bin intarr1.ihex intarr1.srec intarr1.tekhex intarr2.bin intarr2b.bin intarr2.ihex intarr2.srec intarr2.tekhex intstr1.bin intstr1b.bin intstr1.ihex intstr1.srec intstr1.tekhex intstr2.bin intstr2b.bin intstr2.ihex intstr2.srec intstr2.tekhex intarr3.srec"