gdb/testsuite/gdb.base/dump.exp

   1 # Copyright 2002, 2004, 2007, 2008, 2009, 2010 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
  24 set testfile "dump"
  25
  26 set srcfile  ${testfile}.c
  27 set binfile  ${objdir}/${subdir}/${testfile}
  28 set options  {debug}
  29
  30 set is64bitonly "no"
  31 set endian "auto"
  32
  33 if [istarget "alpha*-*-*"] then {
  34     # SREC etc cannot handle 64-bit addresses.  Force the test
  35     # program into the low 31 bits of the address space.
  36     lappend options "additional_flags=-Wl,-taso"
  37 }
  38
  39 if {[istarget "ia64*-*-*"] || [istarget "hppa64-*-*"]} then {
  40     set is64bitonly "yes"
  41 }
  42
  43 if {[istarget "spu*-*-*"]} then {
  44     # The internal address format used for the combined Cell/B.E.
  45     # debugger requires 64-bit.
  46     set is64bitonly "yes"
  47 }
  48
  49 if  { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable ${options}] != "" } {
  50      untested dump.exp
  51      return -1
  52 }
  53
  54 # Start with a fresh gdb.
  55
  56 gdb_exit
  57 gdb_start
  58 gdb_reinitialize_dir $srcdir/$subdir
  59
  60 gdb_test "dump mem /dev/null 0x10 0x20" "Cannot access memory at address 0x10" \
  61          "inaccessible memory is reported"
  62
  63 gdb_load ${binfile}
  64
  65 # Clean up any stale output files from previous test runs
  66
  67 remote_exec build "rm -f intarr1.bin intarr1b.bin intarr1.ihex intarr1.srec intarr1.tekhex intarr2.bin intarr2b.bin intarr2.ihex intarr2.srec intarr2.tekhex intstr1.bin intstr1b.bin intstr1.ihex intstr1.srec intstr1.tekhex intstr2.bin intstr2b.bin intstr2.ihex intstr2.srec intstr2.tekhex intarr3.srec"
  68
  69 # Test help (FIXME:)
  70
  71 # Run target program until data structs are initialized.
  72
  73 if { ! [ runto checkpoint1 ] } then {
  74     untested dump.exp
  75     return -1
  76 }
  77
  78 # Get the endianness for the later use with endianless formats.
  79
  80 send_gdb "show endian\n"
  81 gdb_expect {
  82     -re ".* (big|little) endian.*$gdb_prompt $" {
  83         set endian $expect_out(1,string)
  84         pass "endianness: $endian"
  85     }
  86     default {
  87         fail "(timeout) getting target endianness"
  88     }
  89 }
  90
  91 # Now generate some dump files.
  92
  93 proc make_dump_file { command msg } {
  94   global gdb_prompt
  95
  96     send_gdb "${command}\n"
  97     gdb_expect {
  98         -re ".*\[Ee\]rror.*$gdb_prompt $"      { fail $msg }
  99         -re ".*\[Ww\]arning.*$gdb_prompt $"    { fail $msg }
 100         -re ".*\[Uu\]ndefined .*$gdb_prompt $" { fail $msg }
 101         -re ".*$gdb_prompt $" { pass $msg }
 102         timeout                                { fail "$msg (timeout)" }
 103     }
 104 }
 105
 106 make_dump_file "dump val intarr1.bin intarray" \
 107         "dump array as value, default"
 108
 109 make_dump_file "dump val intstr1.bin intstruct" \
 110         "dump struct as value, default"
 111
 112 make_dump_file "dump bin val intarr1b.bin intarray" \
 113         "dump array as value, binary"
 114
 115 make_dump_file "dump bin val intstr1b.bin intstruct" \
 116         "dump struct as value, binary"
 117
 118 make_dump_file "dump srec val intarr1.srec intarray" \
 119         "dump array as value, srec"
 120
 121 make_dump_file "dump srec val intstr1.srec intstruct" \
 122         "dump struct as value, srec"
 123
 124 make_dump_file "dump ihex val intarr1.ihex intarray" \
 125         "dump array as value, intel hex"
 126
 127 make_dump_file "dump ihex val intstr1.ihex intstruct" \
 128         "dump struct as value, intel hex"
 129
 130 make_dump_file "dump tekhex val intarr1.tekhex intarray" \
 131         "dump array as value, tekhex"
 132
 133 make_dump_file "dump tekhex val intstr1.tekhex intstruct" \
 134         "dump struct as value, tekhex"
 135
 136 proc capture_value { expression args } {
 137     global gdb_prompt
 138     global expect_out
 139
 140     set output_string ""
 141     if {[llength $args] > 0} {
 142         # Convert $args into a simple string.
 143         set test "[join $args]; capture $expression"
 144     } {
 145         set test "capture $expression"
 146     }
 147     gdb_test_multiple "print ${expression}" "$test" {
 148         -re "\\$\[0-9\]+ = (\[^\r\n\]+).*$gdb_prompt $" {
 149             set output_string "$expect_out(1,string)"
 150             pass "$test"
 151         }
 152         -re "(Cannot access memory at address \[^\r\n\]+).*$gdb_prompt $" {
 153             # Even a failed value is valid
 154             set output_string "$expect_out(1,string)"
 155             pass "$test"
 156         }
 157     }
 158     return $output_string
 159 }
 160
 161 set array_start  [capture_value "/x &intarray\[0\]"]
 162 set array_end    [capture_value "/x &intarray\[32\]"]
 163 set struct_start [capture_value "/x &intstruct"]
 164 set struct_end   [capture_value "/x &intstruct + 1"]
 165
 166 set array_val    [capture_value "intarray"]
 167 set struct_val   [capture_value "intstruct"]
 168
 169 make_dump_file "dump mem intarr2.bin $array_start $array_end" \
 170         "dump array as memory, default"
 171
 172 make_dump_file "dump  mem intstr2.bin $struct_start $struct_end" \
 173         "dump struct as memory, default"
 174
 175 make_dump_file "dump bin mem intarr2b.bin $array_start $array_end" \
 176         "dump array as memory, binary"
 177
 178 make_dump_file "dump bin mem intstr2b.bin $struct_start $struct_end" \
 179         "dump struct as memory, binary"
 180
 181 make_dump_file "dump srec mem intarr2.srec $array_start $array_end" \
 182         "dump array as memory, srec"
 183
 184 make_dump_file "dump srec mem intstr2.srec $struct_start $struct_end" \
 185         "dump struct as memory, srec"
 186
 187 make_dump_file "dump ihex mem intarr2.ihex $array_start $array_end" \
 188         "dump array as memory, ihex"
 189
 190 make_dump_file "dump ihex mem intstr2.ihex $struct_start $struct_end" \
 191         "dump struct as memory, ihex"
 192
 193 make_dump_file "dump tekhex mem intarr2.tekhex $array_start $array_end" \
 194         "dump array as memory, tekhex"
 195
 196 make_dump_file "dump tekhex mem intstr2.tekhex $struct_start $struct_end" \
 197         "dump struct as memory, tekhex"
 198
 199 # test complex expressions
 200 make_dump_file \
 201         "dump srec mem intarr3.srec &intarray \(char *\) &intarray + sizeof intarray" \
 202         "dump array as mem, srec, expressions"
 203
 204
 205 # Now start a fresh gdb session, and reload the saved value files.
 206
 207 gdb_exit
 208 gdb_start
 209 gdb_file_cmd ${binfile}
 210
 211 # Now fix the endianness at the correct state.
 212
 213 send_gdb "set endian $endian\n"
 214 gdb_expect {
 215     -re ".* (big|little) endian.*$gdb_prompt $" {
 216         pass "setting $endian endianness"
 217     }
 218     default {
 219         fail "(timeout) setting $endian endianness"
 220     }
 221 }
 222
 223 # Reload saved values one by one, and compare.
 224
 225 if { ![string compare $array_val \
 226            [capture_value "intarray" "file binfile"]] } then {
 227     fail "start with intarray un-initialized"
 228 } else {
 229     pass "start with intarray un-initialized"
 230 }
 231
 232 if { ![string compare $struct_val \
 233            [capture_value "intstruct" "file binfile"]] } then {
 234     fail "start with intstruct un-initialized"
 235 } else {
 236     pass "start with intstruct un-initialized"
 237 }
 238
 239 proc test_reload_saved_value { filename msg oldval newval } {
 240     global gdb_prompt
 241
 242     gdb_file_cmd $filename
 243     if { ![string compare $oldval \
 244                [capture_value $newval "$msg"]] } then {
 245         pass "$msg; value restored ok"
 246     } else {
 247         fail "$msg; value restored ok"
 248     }
 249 }
 250
 251 proc test_restore_saved_value { restore_args msg oldval newval } {
 252     global gdb_prompt
 253
 254     gdb_test "restore $restore_args" \
 255         "Restoring .*" \
 256         "$msg; file restored ok"
 257     if { ![string compare $oldval \
 258                [capture_value $newval "$msg"]] } then {
 259         pass "$msg; value restored ok"
 260     } else {
 261         fail "$msg; value restored ok"
 262     }
 263 }
 264
 265 # srec format can not be loaded for 64-bit-only platforms
 266 if ![string compare $is64bitonly "no"] then {
 267   test_reload_saved_value "intarr1.srec" "reload array as value, srec" \
 268         $array_val "intarray"
 269   test_reload_saved_value "intstr1.srec" "reload struct as value, srec" \
 270         $struct_val "intstruct"
 271   test_reload_saved_value "intarr2.srec" "reload array as memory, srec" \
 272         $array_val "intarray"
 273   test_reload_saved_value "intstr2.srec" "reload struct as memory, srec" \
 274         $struct_val "intstruct"
 275 }
 276
 277 # ihex format can not be loaded for 64-bit-only platforms
 278 if ![string compare $is64bitonly "no"] then {
 279
 280   test_reload_saved_value "intarr1.ihex" "reload array as value, intel hex" \
 281         $array_val "intarray"
 282   test_reload_saved_value "intstr1.ihex" "reload struct as value, intel hex" \
 283         $struct_val "intstruct"
 284   test_reload_saved_value "intarr2.ihex" "reload array as memory, intel hex" \
 285         $array_val "intarray"
 286   test_reload_saved_value "intstr2.ihex" "reload struct as memory, intel hex" \
 287         $struct_val "intstruct"
 288 }
 289
 290 # tekhex format can not be loaded for 64-bit-only platforms
 291 if ![string compare $is64bitonly "no"] then {
 292   test_reload_saved_value "intarr1.tekhex" "reload array as value, tekhex" \
 293         $array_val "intarray"
 294   test_reload_saved_value "intstr1.tekhex" "reload struct as value, tekhex" \
 295         $struct_val "intstruct"
 296   test_reload_saved_value "intarr2.tekhex" "reload array as memory, tekhex" \
 297         $array_val "intarray"
 298   test_reload_saved_value "intstr2.tekhex" "reload struct as memory, tekhex" \
 299         $struct_val "intstruct"
 300 }
 301
 302 # Start a fresh gdb session
 303
 304 gdb_exit
 305 gdb_start
 306 gdb_reinitialize_dir $srcdir/$subdir
 307 gdb_load ${binfile}
 308
 309 # Run to main.
 310 if { ! [ runto_main ] } then {
 311     untested dump.exp
 312     return -1
 313 }
 314
 315 if { ![string compare $array_val \
 316            [capture_value "intarray" "load binfile"]] } then {
 317     fail "start with intarray un-initialized, runto main"
 318 } else {
 319     pass "start with intarray un-initialized, runto main"
 320 }
 321
 322 if { ![string compare $struct_val \
 323            [capture_value "intstruct" "load binfile"]] } then {
 324     fail "start with intstruct un-initialized, runto main"
 325 } else {
 326     pass "start with intstruct un-initialized, runto main"
 327 }
 328
 329 if ![string compare $is64bitonly "no"] then {
 330   test_restore_saved_value "intarr1.srec" "array as value, srec" \
 331         $array_val "intarray"
 332
 333   test_restore_saved_value "intstr1.srec" "struct as value, srec" \
 334         $struct_val "intstruct"
 335
 336   gdb_test "print zero_all ()" "void" "zero all"
 337
 338   test_restore_saved_value "intarr2.srec" "array as memory, srec" \
 339         $array_val "intarray"
 340
 341   test_restore_saved_value "intstr2.srec" "struct as memory, srec" \
 342         $struct_val "intstruct"
 343
 344   gdb_test "print zero_all ()" ""
 345
 346   test_restore_saved_value "intarr1.ihex" "array as value, ihex" \
 347         $array_val "intarray"
 348
 349   test_restore_saved_value "intstr1.ihex" "struct as value, ihex" \
 350         $struct_val "intstruct"
 351
 352   gdb_test "print zero_all ()" ""
 353
 354   test_restore_saved_value "intarr2.ihex" "array as memory, ihex" \
 355         $array_val "intarray"
 356
 357   test_restore_saved_value "intstr2.ihex" "struct as memory, ihex" \
 358         $struct_val "intstruct"
 359
 360   gdb_test "print zero_all ()" ""
 361
 362   test_restore_saved_value "intarr1.tekhex" "array as value, tekhex" \
 363         $array_val "intarray"
 364
 365   test_restore_saved_value "intstr1.tekhex" "struct as value, tekhex" \
 366         $struct_val "intstruct"
 367
 368   gdb_test "print zero_all ()" ""
 369
 370   test_restore_saved_value "intarr2.tekhex" "array as memory, tekhex" \
 371         $array_val "intarray"
 372
 373   test_restore_saved_value "intstr2.tekhex" "struct as memory, tekhex" \
 374         $struct_val "intstruct"
 375 }
 376
 377 gdb_test "print zero_all ()" ""
 378
 379 test_restore_saved_value "intarr1.bin binary $array_start" \
 380         "array as value, binary" \
 381         $array_val "intarray"
 382
 383 test_restore_saved_value "intstr1.bin binary $struct_start" \
 384         "struct as value, binary" \
 385         $struct_val "intstruct"
 386
 387 gdb_test "print zero_all ()" ""
 388
 389 test_restore_saved_value "intarr2.bin binary $array_start" \
 390         "array as memory, binary" \
 391         $array_val "intarray"
 392
 393 test_restore_saved_value "intstr2.bin binary $struct_start" \
 394         "struct as memory, binary" \
 395         $struct_val "intstruct"
 396
 397 # test restore with offset.
 398
 399 set array2_start   [capture_value "/x &intarray2\[0\]"]
 400 set struct2_start  [capture_value "/x &intstruct2"]
 401 set array2_offset  \
 402         [capture_value "(char *) &intarray2 - (char *) &intarray"]
 403 set struct2_offset \
 404         [capture_value "(char *) &intstruct2 - (char *) &intstruct"]
 405
 406 gdb_test "print zero_all ()" ""
 407
 408
 409 if ![string compare $is64bitonly "no"] then {
 410   test_restore_saved_value "intarr1.srec $array2_offset" \
 411         "array copy, srec" \
 412         $array_val "intarray2"
 413
 414   test_restore_saved_value "intstr1.srec $struct2_offset" \
 415         "struct copy, srec" \
 416         $struct_val "intstruct2"
 417
 418   gdb_test "print zero_all ()" ""
 419
 420   test_restore_saved_value "intarr1.ihex $array2_offset" \
 421         "array copy, ihex" \
 422         $array_val "intarray2"
 423
 424   test_restore_saved_value "intstr1.ihex $struct2_offset" \
 425         "struct copy, ihex" \
 426         $struct_val "intstruct2"
 427
 428   gdb_test "print zero_all ()" ""
 429
 430   test_restore_saved_value "intarr1.tekhex $array2_offset" \
 431         "array copy, tekhex" \
 432         $array_val "intarray2"
 433
 434   test_restore_saved_value "intstr1.tekhex $struct2_offset" \
 435         "struct copy, tekhex" \
 436         $struct_val "intstruct2"
 437 }
 438
 439 gdb_test "print zero_all ()" ""
 440
 441 test_restore_saved_value "intarr1.bin binary $array2_start" \
 442         "array copy, binary" \
 443         $array_val "intarray2"
 444
 445 test_restore_saved_value "intstr1.bin binary $struct2_start" \
 446         "struct copy, binary" \
 447         $struct_val "intstruct2"
 448
 449 #
 450 # test restore with start/stop addresses.
 451 #
 452 # For this purpose, we will restore just the third element of the array,
 453 # and check to see that adjacent elements are not modified.
 454 #
 455 # We will need the address and offset of the third and fourth elements.
 456 #
 457
 458 set element3_start  [capture_value "/x &intarray\[3\]"]
 459 set element4_start  [capture_value "/x &intarray\[4\]"]
 460 set element3_offset \
 461         [capture_value "/x (char *) &intarray\[3\] - (char *) &intarray\[0\]"]
 462 set element4_offset \
 463         [capture_value "/x (char *) &intarray\[4\] - (char *) &intarray\[0\]"]
 464
 465 if ![string compare $is64bitonly "no"] then {
 466   gdb_test "print zero_all ()" ""
 467
 468   test_restore_saved_value "intarr1.srec 0 $element3_start $element4_start" \
 469         "array partial, srec" 4 "intarray\[3\]"
 470
 471   gdb_test "print intarray\[2\] == 0" " = 1" "element 2 not changed - 1"
 472   gdb_test "print intarray\[4\] == 0" " = 1" "element 4 not changed - 1"
 473
 474   gdb_test "print zero_all ()" ""
 475
 476   test_restore_saved_value "intarr1.ihex 0 $element3_start $element4_start" \
 477         "array partial, ihex" 4 "intarray\[3\]"
 478
 479   gdb_test "print intarray\[2\] == 0" " = 1" "element 2 not changed - 2"
 480   gdb_test "print intarray\[4\] == 0" " = 1" "element 4 not changed - 2"
 481
 482   gdb_test "print zero_all ()" ""
 483
 484   test_restore_saved_value "intarr1.tekhex 0 $element3_start $element4_start" \
 485         "array partial, tekhex" 4 "intarray\[3\]"
 486
 487   gdb_test "print intarray\[2\] == 0" " = 1" "element 2 not changed - 3"
 488   gdb_test "print intarray\[4\] == 0" " = 1" "element 4 not changed - 3"
 489 }
 490
 491 gdb_test "print zero_all ()" ""
 492
 493 test_restore_saved_value \
 494     "intarr1.bin binary $array_start $element3_offset $element4_offset" \
 495     "array partial, binary" 4 "intarray\[3\]"
 496
 497 gdb_test "print intarray\[2\] == 0" " = 1" "element 2 not changed - 4"
 498 gdb_test "print intarray\[4\] == 0" " = 1" "element 4 not changed - 4"
 499
 500 if ![string compare $is64bitonly "no"] then {
 501   gdb_test "print zero_all ()" "" ""
 502
 503   # restore with expressions
 504   test_restore_saved_value \
 505         "intarr3.srec (char*)${array2_start}-(char*)${array_start} &intarray\[3\] &intarray\[4\]" \
 506         "array partial with expressions" 4 "intarray2\[3\]"
 507
 508   gdb_test "print intarray2\[2\] == 0" " = 1" "element 2 not changed, == 4"
 509   gdb_test "print intarray2\[4\] == 0" " = 1" "element 4 not changed, == 4"
 510 }
 511
 512 # clean up files
 513
 514 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"