gdb/testsuite/gdb.base/dump.exp

   1 # Copyright 2002-2015 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
  20 standard_testfile
  21
  22 set options  {debug}
  23
  24 set is64bitonly "no"
  25 set endian "auto"
  26
  27 if [istarget "alpha*-*-*"] then {
  28     # SREC etc cannot handle 64-bit addresses.  Force the test
  29     # program into the low 31 bits of the address space.
  30     lappend options "additional_flags=-Wl,-taso"
  31 }
  32
  33 if {[istarget "spu*-*-*"]} then {
  34     # The internal address format used for the combined Cell/B.E.
  35     # debugger requires 64-bit.
  36     set is64bitonly "yes"
  37 }
  38
  39 if  { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable ${options}] != "" } {
  40      untested dump.exp
  41      return -1
  42 }
  43
  44 # Start with a fresh gdb.
  45
  46 gdb_exit
  47 gdb_start
  48 gdb_reinitialize_dir $srcdir/$subdir
  49
  50 gdb_test "dump mem /dev/null 0x10 0x20" "Cannot access memory at address 0x10" \
  51          "inaccessible memory is reported"
  52
  53 gdb_load ${binfile}
  54
  55 # Check the address of a variable.  If it is bigger than 32-bit,
  56 # assume our target has 64-bit addresses that are not supported by SREC,
  57 # IHEX and TEKHEX.  We skip those tests then.
  58 set max_32bit_address "0xffffffff"
  59 set data_address [get_hexadecimal_valueof "&intarray" 0x100000000]
  60 if {${data_address} > ${max_32bit_address}} then {
  61     set is64bitonly "yes"
  62 }
  63
  64 # Clean up any stale output files from previous test runs
  65
  66 set filenames {}
  67 set all_files {
  68     intarr1.bin intarr1b.bin intarr1.ihex
  69     intarr1.srec intarr1.tekhex intarr2.bin intarr2b.bin intarr2.ihex
  70     intarr2.srec intarr2.tekhex intstr1.bin intstr1b.bin intstr1.ihex
  71     intstr1.srec intstr1.tekhex intstr2.bin intstr2b.bin intstr2.ihex
  72     intstr2.srec intstr2.tekhex intarr3.srec
  73 }
  74
  75 # This loop sets variables dynamically -- each name listed in
  76 # $ALL_FILES is both a file name and a variable name.
  77 foreach file $all_files {
  78     if {[is_remote host]} {
  79         set this_name $file
  80     } else {
  81         set this_name [standard_output_file $file]
  82     }
  83
  84     lappend filenames [set ${file} $this_name]
  85 }
  86
  87 remote_exec host "rm -f $filenames"
  88
  89 # Test help (FIXME:)
  90
  91 # Run target program until data structs are initialized.
  92
  93 if { ! [ runto checkpoint1 ] } then {
  94     untested dump.exp
  95     return -1
  96 }
  97
  98 # Get the endianness for the later use with endianless formats.
  99
 100 gdb_test_multiple "show endian" "show endian" {
 101     -re ".* (big|little) endian.*$gdb_prompt $" {
 102         set endian $expect_out(1,string)
 103         pass "endianness: $endian"
 104     }
 105 }
 106
 107 # Now generate some dump files.
 108
 109 proc make_dump_file { command msg } {
 110   global gdb_prompt
 111
 112     gdb_test_multiple "${command}" "$msg" {
 113         -re ".*\[Ee\]rror.*$gdb_prompt $"      { fail $msg }
 114         -re ".*\[Ww\]arning.*$gdb_prompt $"    { fail $msg }
 115         -re ".*\[Uu\]ndefined .*$gdb_prompt $" { fail $msg }
 116         -re ".*$gdb_prompt $"                  { pass $msg }
 117     }
 118 }
 119
 120 make_dump_file "dump val [set intarr1.bin] intarray" \
 121         "dump array as value, default"
 122
 123 make_dump_file "dump val [set intstr1.bin] intstruct" \
 124         "dump struct as value, default"
 125
 126 make_dump_file "dump bin val [set intarr1b.bin] intarray" \
 127         "dump array as value, binary"
 128
 129 make_dump_file "dump bin val [set intstr1b.bin] intstruct" \
 130         "dump struct as value, binary"
 131
 132 make_dump_file "dump srec val [set intarr1.srec] intarray" \
 133         "dump array as value, srec"
 134
 135 make_dump_file "dump srec val [set intstr1.srec] intstruct" \
 136         "dump struct as value, srec"
 137
 138 make_dump_file "dump ihex val [set intarr1.ihex] intarray" \
 139         "dump array as value, intel hex"
 140
 141 make_dump_file "dump ihex val [set intstr1.ihex] intstruct" \
 142         "dump struct as value, intel hex"
 143
 144 make_dump_file "dump tekhex val [set intarr1.tekhex] intarray" \
 145         "dump array as value, tekhex"
 146
 147 make_dump_file "dump tekhex val [set intstr1.tekhex] intstruct" \
 148         "dump struct as value, tekhex"
 149
 150 proc capture_value { expression args } {
 151     global gdb_prompt
 152     global expect_out
 153
 154     set output_string ""
 155     if {[llength $args] > 0} {
 156         # Convert $args into a simple string and don't use EXPRESSION
 157         # in the test name.
 158         set test "[join $args]; capture"
 159     } {
 160         set test "capture $expression"
 161     }
 162     gdb_test_multiple "print ${expression}" "$test" {
 163         -re "\\$\[0-9\]+ = (\[^\r\n\]+).*$gdb_prompt $" {
 164             set output_string "$expect_out(1,string)"
 165             pass "$test"
 166         }
 167         -re "(Cannot access memory at address \[^\r\n\]+).*$gdb_prompt $" {
 168             # Even a failed value is valid
 169             set output_string "$expect_out(1,string)"
 170             pass "$test"
 171         }
 172     }
 173     return $output_string
 174 }
 175
 176 # POINTER is a pointer and this proc captures the value of POINTER along
 177 # with POINTER's type.  For example, POINTER is "&intarray", this proc will
 178 # call "p &intarray", capture "(int (*)[32]) 0x804a0e0", and return this
 179 # string.
 180
 181 proc capture_pointer_with_type { pointer } {
 182     global gdb_prompt
 183     global expect_out
 184
 185     set test "capture type of pointer $pointer"
 186     set output_string ""
 187     gdb_test_multiple "p ${pointer}" $test {
 188         -re "\\$\[0-9\]+ = .*$gdb_prompt $" {
 189             # Expected output of "p ${pointer}" is like "$7 = (int (*)[32]) 0x804a0e0",
 190             # and we want to extract "(int (*)[32]) 0x804a0e0" from it via
 191             # following regexp.
 192             if [regexp " \\(.*\\).* 0x\[0-9a-fA-F\]+" $expect_out(0,string) output_string] {
 193                 # OUTPUT_STRING is expected to be like "(int (*)[32]) 0x804a0e0".
 194                 pass "$test"
 195             } else {
 196                 fail "$test"
 197             }
 198         }
 199     }
 200
 201     return $output_string
 202 }
 203
 204 set array_start  [capture_value "/x &intarray\[0\]"]
 205 set array_end    [capture_value "/x &intarray\[32\]"]
 206 set struct_start [capture_value "/x &intstruct"]
 207 set struct_end   [capture_value "/x &intstruct + 1"]
 208
 209 set array_val    [capture_value "intarray"]
 210 set struct_val   [capture_value "intstruct"]
 211
 212 set array_ptr_type [capture_pointer_with_type "&intarray"]
 213 set struct_ptr_type [capture_pointer_with_type "&intstruct"]
 214
 215 make_dump_file "dump mem [set intarr2.bin] $array_start $array_end" \
 216         "dump array as memory, default"
 217
 218 make_dump_file "dump  mem [set intstr2.bin] $struct_start $struct_end" \
 219         "dump struct as memory, default"
 220
 221 make_dump_file "dump bin mem [set intarr2b.bin] $array_start $array_end" \
 222         "dump array as memory, binary"
 223
 224 make_dump_file "dump bin mem [set intstr2b.bin] $struct_start $struct_end" \
 225         "dump struct as memory, binary"
 226
 227 make_dump_file "dump srec mem [set intarr2.srec] $array_start $array_end" \
 228         "dump array as memory, srec"
 229
 230 make_dump_file "dump srec mem [set intstr2.srec] $struct_start $struct_end" \
 231         "dump struct as memory, srec"
 232
 233 make_dump_file "dump ihex mem [set intarr2.ihex] $array_start $array_end" \
 234         "dump array as memory, ihex"
 235
 236 make_dump_file "dump ihex mem [set intstr2.ihex] $struct_start $struct_end" \
 237         "dump struct as memory, ihex"
 238
 239 make_dump_file "dump tekhex mem [set intarr2.tekhex] $array_start $array_end" \
 240         "dump array as memory, tekhex"
 241
 242 make_dump_file "dump tekhex mem [set intstr2.tekhex] $struct_start $struct_end" \
 243         "dump struct as memory, tekhex"
 244
 245 # test complex expressions
 246 make_dump_file \
 247     "dump srec mem [set intarr3.srec] &intarray \(char *\) &intarray + sizeof intarray" \
 248         "dump array as mem, srec, expressions"
 249
 250 proc test_restore_saved_value { restore_args msg oldval newval } {
 251     global gdb_prompt
 252
 253     gdb_test "restore $restore_args" \
 254         "Restoring .*" \
 255         "$msg; file restored ok"
 256     if { ![string compare $oldval \
 257                [capture_value $newval "$msg"]] } then {
 258         pass "$msg; value restored ok"
 259     } else {
 260         fail "$msg; value restored ok"
 261     }
 262 }
 263
 264 if ![string compare $is64bitonly "no"] then {
 265
 266   gdb_test "print zero_all ()" ".*"
 267
 268   test_restore_saved_value "[set intarr1.srec]" "array as value, srec" \
 269         $array_val "intarray"
 270
 271   test_restore_saved_value "[set intstr1.srec]" "struct as value, srec" \
 272         $struct_val "intstruct"
 273
 274   gdb_test "print zero_all ()" "void" "zero all"
 275
 276   test_restore_saved_value "[set intarr2.srec]" "array as memory, srec" \
 277         $array_val "intarray"
 278
 279   test_restore_saved_value "[set intstr2.srec]" "struct as memory, srec" \
 280         $struct_val "intstruct"
 281
 282   gdb_test "print zero_all ()" ".*"
 283
 284   test_restore_saved_value "[set intarr1.ihex]" "array as value, ihex" \
 285         $array_val "intarray"
 286
 287   test_restore_saved_value "[set intstr1.ihex]" "struct as value, ihex" \
 288         $struct_val "intstruct"
 289
 290   gdb_test "print zero_all ()" ".*"
 291
 292   test_restore_saved_value "[set intarr2.ihex]" "array as memory, ihex" \
 293         $array_val "intarray"
 294
 295   test_restore_saved_value "[set intstr2.ihex]" "struct as memory, ihex" \
 296         $struct_val "intstruct"
 297
 298   gdb_test "print zero_all ()" ".*"
 299
 300   test_restore_saved_value "[set intarr1.tekhex]" "array as value, tekhex" \
 301         $array_val "intarray"
 302
 303   test_restore_saved_value "[set intstr1.tekhex]" "struct as value, tekhex" \
 304         $struct_val "intstruct"
 305
 306   gdb_test "print zero_all ()" ".*"
 307
 308   test_restore_saved_value "[set intarr2.tekhex]" "array as memory, tekhex" \
 309         $array_val "intarray"
 310
 311   test_restore_saved_value "[set intstr2.tekhex]" "struct as memory, tekhex" \
 312         $struct_val "intstruct"
 313 }
 314
 315 gdb_test "print zero_all ()" ".*"
 316
 317 test_restore_saved_value "[set intarr1.bin] binary $array_start" \
 318         "array as value, binary" \
 319         $array_val "intarray"
 320
 321 test_restore_saved_value "[set intstr1.bin] binary $struct_start" \
 322         "struct as value, binary" \
 323         $struct_val "intstruct"
 324
 325 gdb_test "print zero_all ()" ".*"
 326
 327 test_restore_saved_value "[set intarr2.bin] binary $array_start" \
 328         "array as memory, binary" \
 329         $array_val "intarray"
 330
 331 test_restore_saved_value "[set intstr2.bin] binary $struct_start" \
 332         "struct as memory, binary" \
 333         $struct_val "intstruct"
 334
 335 # test restore with offset.
 336
 337 set array2_start   [capture_value "/x &intarray2\[0\]"]
 338 set struct2_start  [capture_value "/x &intstruct2"]
 339 set array2_offset  \
 340         [capture_value "(char *) &intarray2 - (char *) &intarray"]
 341 set struct2_offset \
 342         [capture_value "(char *) &intstruct2 - (char *) &intstruct"]
 343
 344 gdb_test "print zero_all ()" ".*"
 345
 346
 347 if ![string compare $is64bitonly "no"] then {
 348   test_restore_saved_value "[set intarr1.srec] $array2_offset" \
 349         "array copy, srec" \
 350         $array_val "intarray2"
 351
 352   test_restore_saved_value "[set intstr1.srec] $struct2_offset" \
 353         "struct copy, srec" \
 354         $struct_val "intstruct2"
 355
 356   gdb_test "print zero_all ()" ".*"
 357
 358   test_restore_saved_value "[set intarr1.ihex] $array2_offset" \
 359         "array copy, ihex" \
 360         $array_val "intarray2"
 361
 362   test_restore_saved_value "[set intstr1.ihex] $struct2_offset" \
 363         "struct copy, ihex" \
 364         $struct_val "intstruct2"
 365
 366   gdb_test "print zero_all ()" ".*"
 367
 368   test_restore_saved_value "[set intarr1.tekhex] $array2_offset" \
 369         "array copy, tekhex" \
 370         $array_val "intarray2"
 371
 372   test_restore_saved_value "[set intstr1.tekhex] $struct2_offset" \
 373         "struct copy, tekhex" \
 374         $struct_val "intstruct2"
 375 }
 376
 377 gdb_test "print zero_all ()" ".*"
 378
 379 test_restore_saved_value "[set intarr1.bin] binary $array2_start" \
 380         "array copy, binary" \
 381         $array_val "intarray2"
 382
 383 test_restore_saved_value "[set intstr1.bin] binary $struct2_start" \
 384         "struct copy, binary" \
 385         $struct_val "intstruct2"
 386
 387 #
 388 # test restore with start/stop addresses.
 389 #
 390 # For this purpose, we will restore just the third element of the array,
 391 # and check to see that adjacent elements are not modified.
 392 #
 393 # We will need the address and offset of the third and fourth elements.
 394 #
 395
 396 set element3_start  [capture_value "/x &intarray\[3\]"]
 397 set element4_start  [capture_value "/x &intarray\[4\]"]
 398 set element3_offset \
 399         [capture_value "/x (char *) &intarray\[3\] - (char *) &intarray\[0\]"]
 400 set element4_offset \
 401         [capture_value "/x (char *) &intarray\[4\] - (char *) &intarray\[0\]"]
 402
 403 if ![string compare $is64bitonly "no"] then {
 404   gdb_test "print zero_all ()" ".*"
 405
 406   test_restore_saved_value "[set intarr1.srec] 0 $element3_start $element4_start" \
 407         "array partial, srec" 4 "intarray\[3\]"
 408
 409   gdb_test "print intarray\[2\] == 0" " = 1" "element 2 not changed - 1"
 410   gdb_test "print intarray\[4\] == 0" " = 1" "element 4 not changed - 1"
 411
 412   gdb_test "print zero_all ()" ".*"
 413
 414   test_restore_saved_value "[set intarr1.ihex] 0 $element3_start $element4_start" \
 415         "array partial, ihex" 4 "intarray\[3\]"
 416
 417   gdb_test "print intarray\[2\] == 0" " = 1" "element 2 not changed - 2"
 418   gdb_test "print intarray\[4\] == 0" " = 1" "element 4 not changed - 2"
 419
 420   gdb_test "print zero_all ()" ".*"
 421
 422   test_restore_saved_value "[set intarr1.tekhex] 0 $element3_start $element4_start" \
 423         "array partial, tekhex" 4 "intarray\[3\]"
 424
 425   gdb_test "print intarray\[2\] == 0" " = 1" "element 2 not changed - 3"
 426   gdb_test "print intarray\[4\] == 0" " = 1" "element 4 not changed - 3"
 427 }
 428
 429 gdb_test "print zero_all ()" ".*"
 430
 431 test_restore_saved_value \
 432     "[set intarr1.bin] binary $array_start $element3_offset $element4_offset" \
 433     "array partial, binary" 4 "intarray\[3\]"
 434
 435 gdb_test "print intarray\[2\] == 0" " = 1" "element 2 not changed - 4"
 436 gdb_test "print intarray\[4\] == 0" " = 1" "element 4 not changed - 4"
 437
 438 if ![string compare $is64bitonly "no"] then {
 439   gdb_test "print zero_all ()" ".*" ""
 440
 441   # restore with expressions
 442   test_restore_saved_value \
 443         "[set intarr3.srec] (char*)${array2_start}-(char*)${array_start} &intarray\[3\] &intarray\[4\]" \
 444         "array partial with expressions" 4 "intarray2\[3\]"
 445
 446   gdb_test "print intarray2\[2\] == 0" " = 1" "element 2 not changed, == 4"
 447   gdb_test "print intarray2\[4\] == 0" " = 1" "element 4 not changed, == 4"
 448 }
 449
 450
 451 # Now start a fresh gdb session, and reload the saved value files.
 452
 453 gdb_exit
 454 gdb_start
 455 gdb_file_cmd ${binfile}
 456
 457 # Now fix the endianness at the correct state.
 458
 459 gdb_test_multiple "set endian $endian" "set endianness" {
 460     -re ".* (big|little) endian.*$gdb_prompt $" {
 461         pass "setting $endian endianness"
 462     }
 463 }
 464
 465 # Reload saved values one by one, and compare.
 466
 467 if { ![string compare $array_val \
 468            [capture_value "intarray" "file binfile; intarray"]] } then {
 469     fail "start with intarray un-initialized"
 470 } else {
 471     pass "start with intarray un-initialized"
 472 }
 473
 474 if { ![string compare $struct_val \
 475            [capture_value "intstruct" "file binfile; intstruct"]] } then {
 476     fail "start with intstruct un-initialized"
 477 } else {
 478     pass "start with intstruct un-initialized"
 479 }
 480
 481 proc test_reload_saved_value { filename msg oldval newval } {
 482     global gdb_prompt
 483
 484     gdb_file_cmd $filename
 485     if { ![string compare $oldval \
 486                [capture_value $newval "$msg"]] } then {
 487         pass "$msg; value restored ok"
 488     } else {
 489         fail "$msg; value restored ok"
 490     }
 491 }
 492
 493 # srec format can not be loaded for 64-bit-only platforms
 494 if ![string compare $is64bitonly "no"] then {
 495   test_reload_saved_value "[set intarr1.srec]" "reload array as value, srec" \
 496         $array_val "\*$array_ptr_type"
 497   test_reload_saved_value "[set intstr1.srec]" "reload struct as value, srec" \
 498         $struct_val "\*$struct_ptr_type"
 499   test_reload_saved_value "[set intarr2.srec]" "reload array as memory, srec" \
 500         $array_val "\*$array_ptr_type"
 501   test_reload_saved_value "[set intstr2.srec]" "reload struct as memory, srec" \
 502         $struct_val "\*$struct_ptr_type"
 503 }
 504
 505 # ihex format can not be loaded for 64-bit-only platforms
 506 if ![string compare $is64bitonly "no"] then {
 507
 508   test_reload_saved_value "[set intarr1.ihex]" \
 509       "reload array as value, intel hex" \
 510         $array_val "\*$array_ptr_type"
 511   test_reload_saved_value "[set intstr1.ihex]" \
 512       "reload struct as value, intel hex" \
 513         $struct_val "\*$struct_ptr_type"
 514   test_reload_saved_value "[set intarr2.ihex]" \
 515       "reload array as memory, intel hex" \
 516         $array_val "\*$array_ptr_type"
 517   test_reload_saved_value "[set intstr2.ihex]" \
 518       "reload struct as memory, intel hex" \
 519         $struct_val "\*$struct_ptr_type"
 520 }
 521
 522 # tekhex format can not be loaded for 64-bit-only platforms
 523 if ![string compare $is64bitonly "no"] then {
 524   test_reload_saved_value "[set intarr1.tekhex]" \
 525       "reload array as value, tekhex" \
 526         $array_val "\*$array_ptr_type"
 527   test_reload_saved_value "[set intstr1.tekhex]" \
 528       "reload struct as value, tekhex" \
 529         $struct_val "\*$struct_ptr_type"
 530   test_reload_saved_value "[set intarr2.tekhex]" \
 531       "reload array as memory, tekhex" \
 532         $array_val "\*$array_ptr_type"
 533   test_reload_saved_value "[set intstr2.tekhex]" \
 534       "reload struct as memory, tekhex" \
 535         $struct_val "\*$struct_ptr_type"
 536 }
 537
 538 # clean up files
 539
 540 remote_exec host "rm -f $filenames"