gdb/testsuite/gdb.base/dump.exp

   1 # Copyright 2002, 2004, 2007, 2008, 2009, 2010, 2011
   2 # Free Software Foundation, Inc.
   3
   4 # This program is free software; you can redistribute it and/or modify
   5 # it under the terms of the GNU General Public License as published by
   6 # the Free Software Foundation; either version 3 of the License, or
   7 # (at your option) any later version.
   8 #
   9 # This program is distributed in the hope that it will be useful,
  10 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  11 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12 # GNU General Public License for more details.
  13 #
  14 # You should have received a copy of the GNU General Public License
  15 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
  16
  17 # This file was written by Michael Snyder (msnyder@redhat.com)
  18 # This is a test for the gdb command "dump".
  19
  20 if $tracelevel then {
  21         strace $tracelevel
  22 }
  23
  24
  25 set testfile "dump"
  26
  27 set srcfile  ${testfile}.c
  28 set binfile  ${objdir}/${subdir}/${testfile}
  29 set options  {debug}
  30
  31 set is64bitonly "no"
  32 set endian "auto"
  33
  34 if [istarget "alpha*-*-*"] then {
  35     # SREC etc cannot handle 64-bit addresses.  Force the test
  36     # program into the low 31 bits of the address space.
  37     lappend options "additional_flags=-Wl,-taso"
  38 }
  39
  40 if {[istarget "ia64*-*-*"] || [istarget "hppa64-*-*"]} then {
  41     set is64bitonly "yes"
  42 }
  43
  44 if {[istarget "spu*-*-*"]} then {
  45     # The internal address format used for the combined Cell/B.E.
  46     # debugger requires 64-bit.
  47     set is64bitonly "yes"
  48 }
  49
  50 if  { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable ${options}] != "" } {
  51      untested dump.exp
  52      return -1
  53 }
  54
  55 # Start with a fresh gdb.
  56
  57 gdb_exit
  58 gdb_start
  59 gdb_reinitialize_dir $srcdir/$subdir
  60
  61 gdb_test "dump mem /dev/null 0x10 0x20" "Cannot access memory at address 0x10" \
  62          "inaccessible memory is reported"
  63
  64 gdb_load ${binfile}
  65
  66 # Clean up any stale output files from previous test runs
  67
  68 remote_exec build "rm -f intarr1.bin intarr1b.bin intarr1.ihex intarr1.srec intarr1.tekhex intarr2.bin intarr2b.bin intarr2.ihex intarr2.srec intarr2.tekhex intstr1.bin intstr1b.bin intstr1.ihex intstr1.srec intstr1.tekhex intstr2.bin intstr2b.bin intstr2.ihex intstr2.srec intstr2.tekhex intarr3.srec"
  69
  70 # Test help (FIXME:)
  71
  72 # Run target program until data structs are initialized.
  73
  74 if { ! [ runto checkpoint1 ] } then {
  75     untested dump.exp
  76     return -1
  77 }
  78
  79 # Get the endianness for the later use with endianless formats.
  80
  81 gdb_test_multiple "show endian" "show endian" {
  82     -re ".* (big|little) endian.*$gdb_prompt $" {
  83         set endian $expect_out(1,string)
  84         pass "endianness: $endian"
  85     }
  86 }
  87
  88 # Now generate some dump files.
  89
  90 proc make_dump_file { command msg } {
  91   global gdb_prompt
  92
  93     gdb_test_multiple "${command}" "$msg" {
  94         -re ".*\[Ee\]rror.*$gdb_prompt $"      { fail $msg }
  95         -re ".*\[Ww\]arning.*$gdb_prompt $"    { fail $msg }
  96         -re ".*\[Uu\]ndefined .*$gdb_prompt $" { fail $msg }
  97         -re ".*$gdb_prompt $"                  { pass $msg }
  98     }
  99 }
 100
 101 make_dump_file "dump val intarr1.bin intarray" \
 102         "dump array as value, default"
 103
 104 make_dump_file "dump val intstr1.bin intstruct" \
 105         "dump struct as value, default"
 106
 107 make_dump_file "dump bin val intarr1b.bin intarray" \
 108         "dump array as value, binary"
 109
 110 make_dump_file "dump bin val intstr1b.bin intstruct" \
 111         "dump struct as value, binary"
 112
 113 make_dump_file "dump srec val intarr1.srec intarray" \
 114         "dump array as value, srec"
 115
 116 make_dump_file "dump srec val intstr1.srec intstruct" \
 117         "dump struct as value, srec"
 118
 119 make_dump_file "dump ihex val intarr1.ihex intarray" \
 120         "dump array as value, intel hex"
 121
 122 make_dump_file "dump ihex val intstr1.ihex intstruct" \
 123         "dump struct as value, intel hex"
 124
 125 make_dump_file "dump tekhex val intarr1.tekhex intarray" \
 126         "dump array as value, tekhex"
 127
 128 make_dump_file "dump tekhex val intstr1.tekhex intstruct" \
 129         "dump struct as value, tekhex"
 130
 131 proc capture_value { expression args } {
 132     global gdb_prompt
 133     global expect_out
 134
 135     set output_string ""
 136     if {[llength $args] > 0} {
 137         # Convert $args into a simple string.
 138         set test "[join $args]; capture $expression"
 139     } {
 140         set test "capture $expression"
 141     }
 142     gdb_test_multiple "print ${expression}" "$test" {
 143         -re "\\$\[0-9\]+ = (\[^\r\n\]+).*$gdb_prompt $" {
 144             set output_string "$expect_out(1,string)"
 145             pass "$test"
 146         }
 147         -re "(Cannot access memory at address \[^\r\n\]+).*$gdb_prompt $" {
 148             # Even a failed value is valid
 149             set output_string "$expect_out(1,string)"
 150             pass "$test"
 151         }
 152     }
 153     return $output_string
 154 }
 155
 156 set array_start  [capture_value "/x &intarray\[0\]"]
 157 set array_end    [capture_value "/x &intarray\[32\]"]
 158 set struct_start [capture_value "/x &intstruct"]
 159 set struct_end   [capture_value "/x &intstruct + 1"]
 160
 161 set array_val    [capture_value "intarray"]
 162 set struct_val   [capture_value "intstruct"]
 163
 164 make_dump_file "dump mem intarr2.bin $array_start $array_end" \
 165         "dump array as memory, default"
 166
 167 make_dump_file "dump  mem intstr2.bin $struct_start $struct_end" \
 168         "dump struct as memory, default"
 169
 170 make_dump_file "dump bin mem intarr2b.bin $array_start $array_end" \
 171         "dump array as memory, binary"
 172
 173 make_dump_file "dump bin mem intstr2b.bin $struct_start $struct_end" \
 174         "dump struct as memory, binary"
 175
 176 make_dump_file "dump srec mem intarr2.srec $array_start $array_end" \
 177         "dump array as memory, srec"
 178
 179 make_dump_file "dump srec mem intstr2.srec $struct_start $struct_end" \
 180         "dump struct as memory, srec"
 181
 182 make_dump_file "dump ihex mem intarr2.ihex $array_start $array_end" \
 183         "dump array as memory, ihex"
 184
 185 make_dump_file "dump ihex mem intstr2.ihex $struct_start $struct_end" \
 186         "dump struct as memory, ihex"
 187
 188 make_dump_file "dump tekhex mem intarr2.tekhex $array_start $array_end" \
 189         "dump array as memory, tekhex"
 190
 191 make_dump_file "dump tekhex mem intstr2.tekhex $struct_start $struct_end" \
 192         "dump struct as memory, tekhex"
 193
 194 # test complex expressions
 195 make_dump_file \
 196         "dump srec mem intarr3.srec &intarray \(char *\) &intarray + sizeof intarray" \
 197         "dump array as mem, srec, expressions"
 198
 199
 200 # Now start a fresh gdb session, and reload the saved value files.
 201
 202 gdb_exit
 203 gdb_start
 204 gdb_file_cmd ${binfile}
 205
 206 # Now fix the endianness at the correct state.
 207
 208 gdb_test_multiple "set endian $endian" "set endianness" {
 209     -re ".* (big|little) endian.*$gdb_prompt $" {
 210         pass "setting $endian endianness"
 211     }
 212 }
 213
 214 # Reload saved values one by one, and compare.
 215
 216 if { ![string compare $array_val \
 217            [capture_value "intarray" "file binfile"]] } then {
 218     fail "start with intarray un-initialized"
 219 } else {
 220     pass "start with intarray un-initialized"
 221 }
 222
 223 if { ![string compare $struct_val \
 224            [capture_value "intstruct" "file binfile"]] } then {
 225     fail "start with intstruct un-initialized"
 226 } else {
 227     pass "start with intstruct un-initialized"
 228 }
 229
 230 proc test_reload_saved_value { filename msg oldval newval } {
 231     global gdb_prompt
 232
 233     gdb_file_cmd $filename
 234     if { ![string compare $oldval \
 235                [capture_value $newval "$msg"]] } then {
 236         pass "$msg; value restored ok"
 237     } else {
 238         fail "$msg; value restored ok"
 239     }
 240 }
 241
 242 proc test_restore_saved_value { restore_args msg oldval newval } {
 243     global gdb_prompt
 244
 245     gdb_test "restore $restore_args" \
 246         "Restoring .*" \
 247         "$msg; file restored ok"
 248     if { ![string compare $oldval \
 249                [capture_value $newval "$msg"]] } then {
 250         pass "$msg; value restored ok"
 251     } else {
 252         fail "$msg; value restored ok"
 253     }
 254 }
 255
 256 # srec format can not be loaded for 64-bit-only platforms
 257 if ![string compare $is64bitonly "no"] then {
 258   test_reload_saved_value "intarr1.srec" "reload array as value, srec" \
 259         $array_val "intarray"
 260   test_reload_saved_value "intstr1.srec" "reload struct as value, srec" \
 261         $struct_val "intstruct"
 262   test_reload_saved_value "intarr2.srec" "reload array as memory, srec" \
 263         $array_val "intarray"
 264   test_reload_saved_value "intstr2.srec" "reload struct as memory, srec" \
 265         $struct_val "intstruct"
 266 }
 267
 268 # ihex format can not be loaded for 64-bit-only platforms
 269 if ![string compare $is64bitonly "no"] then {
 270
 271   test_reload_saved_value "intarr1.ihex" "reload array as value, intel hex" \
 272         $array_val "intarray"
 273   test_reload_saved_value "intstr1.ihex" "reload struct as value, intel hex" \
 274         $struct_val "intstruct"
 275   test_reload_saved_value "intarr2.ihex" "reload array as memory, intel hex" \
 276         $array_val "intarray"
 277   test_reload_saved_value "intstr2.ihex" "reload struct as memory, intel hex" \
 278         $struct_val "intstruct"
 279 }
 280
 281 # tekhex format can not be loaded for 64-bit-only platforms
 282 if ![string compare $is64bitonly "no"] then {
 283   test_reload_saved_value "intarr1.tekhex" "reload array as value, tekhex" \
 284         $array_val "intarray"
 285   test_reload_saved_value "intstr1.tekhex" "reload struct as value, tekhex" \
 286         $struct_val "intstruct"
 287   test_reload_saved_value "intarr2.tekhex" "reload array as memory, tekhex" \
 288         $array_val "intarray"
 289   test_reload_saved_value "intstr2.tekhex" "reload struct as memory, tekhex" \
 290         $struct_val "intstruct"
 291 }
 292
 293 # Start a fresh gdb session
 294
 295 gdb_exit
 296 gdb_start
 297 gdb_reinitialize_dir $srcdir/$subdir
 298 gdb_load ${binfile}
 299
 300 # Run to main.
 301 if { ! [ runto_main ] } then {
 302     untested dump.exp
 303     return -1
 304 }
 305
 306 if { ![string compare $array_val \
 307            [capture_value "intarray" "load binfile"]] } then {
 308     fail "start with intarray un-initialized, runto main"
 309 } else {
 310     pass "start with intarray un-initialized, runto main"
 311 }
 312
 313 if { ![string compare $struct_val \
 314            [capture_value "intstruct" "load binfile"]] } then {
 315     fail "start with intstruct un-initialized, runto main"
 316 } else {
 317     pass "start with intstruct un-initialized, runto main"
 318 }
 319
 320 if ![string compare $is64bitonly "no"] then {
 321   test_restore_saved_value "intarr1.srec" "array as value, srec" \
 322         $array_val "intarray"
 323
 324   test_restore_saved_value "intstr1.srec" "struct as value, srec" \
 325         $struct_val "intstruct"
 326
 327   gdb_test "print zero_all ()" "void" "zero all"
 328
 329   test_restore_saved_value "intarr2.srec" "array as memory, srec" \
 330         $array_val "intarray"
 331
 332   test_restore_saved_value "intstr2.srec" "struct as memory, srec" \
 333         $struct_val "intstruct"
 334
 335   gdb_test "print zero_all ()" ".*"
 336
 337   test_restore_saved_value "intarr1.ihex" "array as value, ihex" \
 338         $array_val "intarray"
 339
 340   test_restore_saved_value "intstr1.ihex" "struct as value, ihex" \
 341         $struct_val "intstruct"
 342
 343   gdb_test "print zero_all ()" ".*"
 344
 345   test_restore_saved_value "intarr2.ihex" "array as memory, ihex" \
 346         $array_val "intarray"
 347
 348   test_restore_saved_value "intstr2.ihex" "struct as memory, ihex" \
 349         $struct_val "intstruct"
 350
 351   gdb_test "print zero_all ()" ".*"
 352
 353   test_restore_saved_value "intarr1.tekhex" "array as value, tekhex" \
 354         $array_val "intarray"
 355
 356   test_restore_saved_value "intstr1.tekhex" "struct as value, tekhex" \
 357         $struct_val "intstruct"
 358
 359   gdb_test "print zero_all ()" ".*"
 360
 361   test_restore_saved_value "intarr2.tekhex" "array as memory, tekhex" \
 362         $array_val "intarray"
 363
 364   test_restore_saved_value "intstr2.tekhex" "struct as memory, tekhex" \
 365         $struct_val "intstruct"
 366 }
 367
 368 gdb_test "print zero_all ()" ".*"
 369
 370 test_restore_saved_value "intarr1.bin binary $array_start" \
 371         "array as value, binary" \
 372         $array_val "intarray"
 373
 374 test_restore_saved_value "intstr1.bin binary $struct_start" \
 375         "struct as value, binary" \
 376         $struct_val "intstruct"
 377
 378 gdb_test "print zero_all ()" ".*"
 379
 380 test_restore_saved_value "intarr2.bin binary $array_start" \
 381         "array as memory, binary" \
 382         $array_val "intarray"
 383
 384 test_restore_saved_value "intstr2.bin binary $struct_start" \
 385         "struct as memory, binary" \
 386         $struct_val "intstruct"
 387
 388 # test restore with offset.
 389
 390 set array2_start   [capture_value "/x &intarray2\[0\]"]
 391 set struct2_start  [capture_value "/x &intstruct2"]
 392 set array2_offset  \
 393         [capture_value "(char *) &intarray2 - (char *) &intarray"]
 394 set struct2_offset \
 395         [capture_value "(char *) &intstruct2 - (char *) &intstruct"]
 396
 397 gdb_test "print zero_all ()" ".*"
 398
 399
 400 if ![string compare $is64bitonly "no"] then {
 401   test_restore_saved_value "intarr1.srec $array2_offset" \
 402         "array copy, srec" \
 403         $array_val "intarray2"
 404
 405   test_restore_saved_value "intstr1.srec $struct2_offset" \
 406         "struct copy, srec" \
 407         $struct_val "intstruct2"
 408
 409   gdb_test "print zero_all ()" ".*"
 410
 411   test_restore_saved_value "intarr1.ihex $array2_offset" \
 412         "array copy, ihex" \
 413         $array_val "intarray2"
 414
 415   test_restore_saved_value "intstr1.ihex $struct2_offset" \
 416         "struct copy, ihex" \
 417         $struct_val "intstruct2"
 418
 419   gdb_test "print zero_all ()" ".*"
 420
 421   test_restore_saved_value "intarr1.tekhex $array2_offset" \
 422         "array copy, tekhex" \
 423         $array_val "intarray2"
 424
 425   test_restore_saved_value "intstr1.tekhex $struct2_offset" \
 426         "struct copy, tekhex" \
 427         $struct_val "intstruct2"
 428 }
 429
 430 gdb_test "print zero_all ()" ".*"
 431
 432 test_restore_saved_value "intarr1.bin binary $array2_start" \
 433         "array copy, binary" \
 434         $array_val "intarray2"
 435
 436 test_restore_saved_value "intstr1.bin binary $struct2_start" \
 437         "struct copy, binary" \
 438         $struct_val "intstruct2"
 439
 440 #
 441 # test restore with start/stop addresses.
 442 #
 443 # For this purpose, we will restore just the third element of the array,
 444 # and check to see that adjacent elements are not modified.
 445 #
 446 # We will need the address and offset of the third and fourth elements.
 447 #
 448
 449 set element3_start  [capture_value "/x &intarray\[3\]"]
 450 set element4_start  [capture_value "/x &intarray\[4\]"]
 451 set element3_offset \
 452         [capture_value "/x (char *) &intarray\[3\] - (char *) &intarray\[0\]"]
 453 set element4_offset \
 454         [capture_value "/x (char *) &intarray\[4\] - (char *) &intarray\[0\]"]
 455
 456 if ![string compare $is64bitonly "no"] then {
 457   gdb_test "print zero_all ()" ".*"
 458
 459   test_restore_saved_value "intarr1.srec 0 $element3_start $element4_start" \
 460         "array partial, srec" 4 "intarray\[3\]"
 461
 462   gdb_test "print intarray\[2\] == 0" " = 1" "element 2 not changed - 1"
 463   gdb_test "print intarray\[4\] == 0" " = 1" "element 4 not changed - 1"
 464
 465   gdb_test "print zero_all ()" ".*"
 466
 467   test_restore_saved_value "intarr1.ihex 0 $element3_start $element4_start" \
 468         "array partial, ihex" 4 "intarray\[3\]"
 469
 470   gdb_test "print intarray\[2\] == 0" " = 1" "element 2 not changed - 2"
 471   gdb_test "print intarray\[4\] == 0" " = 1" "element 4 not changed - 2"
 472
 473   gdb_test "print zero_all ()" ".*"
 474
 475   test_restore_saved_value "intarr1.tekhex 0 $element3_start $element4_start" \
 476         "array partial, tekhex" 4 "intarray\[3\]"
 477
 478   gdb_test "print intarray\[2\] == 0" " = 1" "element 2 not changed - 3"
 479   gdb_test "print intarray\[4\] == 0" " = 1" "element 4 not changed - 3"
 480 }
 481
 482 gdb_test "print zero_all ()" ".*"
 483
 484 test_restore_saved_value \
 485     "intarr1.bin binary $array_start $element3_offset $element4_offset" \
 486     "array partial, binary" 4 "intarray\[3\]"
 487
 488 gdb_test "print intarray\[2\] == 0" " = 1" "element 2 not changed - 4"
 489 gdb_test "print intarray\[4\] == 0" " = 1" "element 4 not changed - 4"
 490
 491 if ![string compare $is64bitonly "no"] then {
 492   gdb_test "print zero_all ()" ".*" ""
 493
 494   # restore with expressions
 495   test_restore_saved_value \
 496         "intarr3.srec (char*)${array2_start}-(char*)${array_start} &intarray\[3\] &intarray\[4\]" \
 497         "array partial with expressions" 4 "intarray2\[3\]"
 498
 499   gdb_test "print intarray2\[2\] == 0" " = 1" "element 2 not changed, == 4"
 500   gdb_test "print intarray2\[4\] == 0" " = 1" "element 4 not changed, == 4"
 501 }
 502
 503 # clean up files
 504
 505 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"