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