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 # POINTER is a pointer and this proc captures the value of POINTER along
 157 # with POINTER's type.  For example, POINTER is "&intarray", this proc will
 158 # call "p &intarray", capture "(int (*)[32]) 0x804a0e0", and return this
 159 # string.
 160
 161 proc capture_pointer_with_type { pointer } {
 162     global gdb_prompt
 163     global expect_out
 164
 165     set test "capture type of pointer $pointer"
 166     set output_string ""
 167     gdb_test_multiple "p ${pointer}" $test {
 168         -re "\\$\[0-9\]+ = .*$gdb_prompt $" {
 169             # Expected output of "p ${pointer}" is like "$7 = (int (*)[32]) 0x804a0e0",
 170             # and we want to extract "(int (*)[32]) 0x804a0e0" from it via
 171             # following regexp.
 172             if [regexp " \\(.*\\).* 0x\[0-9a-fA-F\]+" $expect_out(0,string) output_string] {
 173                 # OUTPUT_STRING is expected to be like "(int (*)[32]) 0x804a0e0".
 174                 pass "$test"
 175             } else {
 176                 fail "$test"
 177             }
 178         }
 179     }
 180
 181     return $output_string
 182 }
 183
 184 set array_start  [capture_value "/x &intarray\[0\]"]
 185 set array_end    [capture_value "/x &intarray\[32\]"]
 186 set struct_start [capture_value "/x &intstruct"]
 187 set struct_end   [capture_value "/x &intstruct + 1"]
 188
 189 set array_val    [capture_value "intarray"]
 190 set struct_val   [capture_value "intstruct"]
 191
 192 set array_ptr_type [capture_pointer_with_type "&intarray"]
 193 set struct_ptr_type [capture_pointer_with_type "&intstruct"]
 194
 195 make_dump_file "dump mem intarr2.bin $array_start $array_end" \
 196         "dump array as memory, default"
 197
 198 make_dump_file "dump  mem intstr2.bin $struct_start $struct_end" \
 199         "dump struct as memory, default"
 200
 201 make_dump_file "dump bin mem intarr2b.bin $array_start $array_end" \
 202         "dump array as memory, binary"
 203
 204 make_dump_file "dump bin mem intstr2b.bin $struct_start $struct_end" \
 205         "dump struct as memory, binary"
 206
 207 make_dump_file "dump srec mem intarr2.srec $array_start $array_end" \
 208         "dump array as memory, srec"
 209
 210 make_dump_file "dump srec mem intstr2.srec $struct_start $struct_end" \
 211         "dump struct as memory, srec"
 212
 213 make_dump_file "dump ihex mem intarr2.ihex $array_start $array_end" \
 214         "dump array as memory, ihex"
 215
 216 make_dump_file "dump ihex mem intstr2.ihex $struct_start $struct_end" \
 217         "dump struct as memory, ihex"
 218
 219 make_dump_file "dump tekhex mem intarr2.tekhex $array_start $array_end" \
 220         "dump array as memory, tekhex"
 221
 222 make_dump_file "dump tekhex mem intstr2.tekhex $struct_start $struct_end" \
 223         "dump struct as memory, tekhex"
 224
 225 # test complex expressions
 226 make_dump_file \
 227         "dump srec mem intarr3.srec &intarray \(char *\) &intarray + sizeof intarray" \
 228         "dump array as mem, srec, expressions"
 229
 230 proc test_restore_saved_value { restore_args msg oldval newval } {
 231     global gdb_prompt
 232
 233     gdb_test "restore $restore_args" \
 234         "Restoring .*" \
 235         "$msg; file restored ok"
 236     if { ![string compare $oldval \
 237                [capture_value $newval "$msg"]] } then {
 238         pass "$msg; value restored ok"
 239     } else {
 240         fail "$msg; value restored ok"
 241     }
 242 }
 243
 244 if ![string compare $is64bitonly "no"] then {
 245
 246   gdb_test "print zero_all ()" ".*"
 247
 248   test_restore_saved_value "intarr1.srec" "array as value, srec" \
 249         $array_val "intarray"
 250
 251   test_restore_saved_value "intstr1.srec" "struct as value, srec" \
 252         $struct_val "intstruct"
 253
 254   gdb_test "print zero_all ()" "void" "zero all"
 255
 256   test_restore_saved_value "intarr2.srec" "array as memory, srec" \
 257         $array_val "intarray"
 258
 259   test_restore_saved_value "intstr2.srec" "struct as memory, srec" \
 260         $struct_val "intstruct"
 261
 262   gdb_test "print zero_all ()" ".*"
 263
 264   test_restore_saved_value "intarr1.ihex" "array as value, ihex" \
 265         $array_val "intarray"
 266
 267   test_restore_saved_value "intstr1.ihex" "struct as value, ihex" \
 268         $struct_val "intstruct"
 269
 270   gdb_test "print zero_all ()" ".*"
 271
 272   test_restore_saved_value "intarr2.ihex" "array as memory, ihex" \
 273         $array_val "intarray"
 274
 275   test_restore_saved_value "intstr2.ihex" "struct as memory, ihex" \
 276         $struct_val "intstruct"
 277
 278   gdb_test "print zero_all ()" ".*"
 279
 280   test_restore_saved_value "intarr1.tekhex" "array as value, tekhex" \
 281         $array_val "intarray"
 282
 283   test_restore_saved_value "intstr1.tekhex" "struct as value, tekhex" \
 284         $struct_val "intstruct"
 285
 286   gdb_test "print zero_all ()" ".*"
 287
 288   test_restore_saved_value "intarr2.tekhex" "array as memory, tekhex" \
 289         $array_val "intarray"
 290
 291   test_restore_saved_value "intstr2.tekhex" "struct as memory, tekhex" \
 292         $struct_val "intstruct"
 293 }
 294
 295 gdb_test "print zero_all ()" ".*"
 296
 297 test_restore_saved_value "intarr1.bin binary $array_start" \
 298         "array as value, binary" \
 299         $array_val "intarray"
 300
 301 test_restore_saved_value "intstr1.bin binary $struct_start" \
 302         "struct as value, binary" \
 303         $struct_val "intstruct"
 304
 305 gdb_test "print zero_all ()" ".*"
 306
 307 test_restore_saved_value "intarr2.bin binary $array_start" \
 308         "array as memory, binary" \
 309         $array_val "intarray"
 310
 311 test_restore_saved_value "intstr2.bin binary $struct_start" \
 312         "struct as memory, binary" \
 313         $struct_val "intstruct"
 314
 315 # test restore with offset.
 316
 317 set array2_start   [capture_value "/x &intarray2\[0\]"]
 318 set struct2_start  [capture_value "/x &intstruct2"]
 319 set array2_offset  \
 320         [capture_value "(char *) &intarray2 - (char *) &intarray"]
 321 set struct2_offset \
 322         [capture_value "(char *) &intstruct2 - (char *) &intstruct"]
 323
 324 gdb_test "print zero_all ()" ".*"
 325
 326
 327 if ![string compare $is64bitonly "no"] then {
 328   test_restore_saved_value "intarr1.srec $array2_offset" \
 329         "array copy, srec" \
 330         $array_val "intarray2"
 331
 332   test_restore_saved_value "intstr1.srec $struct2_offset" \
 333         "struct copy, srec" \
 334         $struct_val "intstruct2"
 335
 336   gdb_test "print zero_all ()" ".*"
 337
 338   test_restore_saved_value "intarr1.ihex $array2_offset" \
 339         "array copy, ihex" \
 340         $array_val "intarray2"
 341
 342   test_restore_saved_value "intstr1.ihex $struct2_offset" \
 343         "struct copy, ihex" \
 344         $struct_val "intstruct2"
 345
 346   gdb_test "print zero_all ()" ".*"
 347
 348   test_restore_saved_value "intarr1.tekhex $array2_offset" \
 349         "array copy, tekhex" \
 350         $array_val "intarray2"
 351
 352   test_restore_saved_value "intstr1.tekhex $struct2_offset" \
 353         "struct copy, tekhex" \
 354         $struct_val "intstruct2"
 355 }
 356
 357 gdb_test "print zero_all ()" ".*"
 358
 359 test_restore_saved_value "intarr1.bin binary $array2_start" \
 360         "array copy, binary" \
 361         $array_val "intarray2"
 362
 363 test_restore_saved_value "intstr1.bin binary $struct2_start" \
 364         "struct copy, binary" \
 365         $struct_val "intstruct2"
 366
 367 #
 368 # test restore with start/stop addresses.
 369 #
 370 # For this purpose, we will restore just the third element of the array,
 371 # and check to see that adjacent elements are not modified.
 372 #
 373 # We will need the address and offset of the third and fourth elements.
 374 #
 375
 376 set element3_start  [capture_value "/x &intarray\[3\]"]
 377 set element4_start  [capture_value "/x &intarray\[4\]"]
 378 set element3_offset \
 379         [capture_value "/x (char *) &intarray\[3\] - (char *) &intarray\[0\]"]
 380 set element4_offset \
 381         [capture_value "/x (char *) &intarray\[4\] - (char *) &intarray\[0\]"]
 382
 383 if ![string compare $is64bitonly "no"] then {
 384   gdb_test "print zero_all ()" ".*"
 385
 386   test_restore_saved_value "intarr1.srec 0 $element3_start $element4_start" \
 387         "array partial, srec" 4 "intarray\[3\]"
 388
 389   gdb_test "print intarray\[2\] == 0" " = 1" "element 2 not changed - 1"
 390   gdb_test "print intarray\[4\] == 0" " = 1" "element 4 not changed - 1"
 391
 392   gdb_test "print zero_all ()" ".*"
 393
 394   test_restore_saved_value "intarr1.ihex 0 $element3_start $element4_start" \
 395         "array partial, ihex" 4 "intarray\[3\]"
 396
 397   gdb_test "print intarray\[2\] == 0" " = 1" "element 2 not changed - 2"
 398   gdb_test "print intarray\[4\] == 0" " = 1" "element 4 not changed - 2"
 399
 400   gdb_test "print zero_all ()" ".*"
 401
 402   test_restore_saved_value "intarr1.tekhex 0 $element3_start $element4_start" \
 403         "array partial, tekhex" 4 "intarray\[3\]"
 404
 405   gdb_test "print intarray\[2\] == 0" " = 1" "element 2 not changed - 3"
 406   gdb_test "print intarray\[4\] == 0" " = 1" "element 4 not changed - 3"
 407 }
 408
 409 gdb_test "print zero_all ()" ".*"
 410
 411 test_restore_saved_value \
 412     "intarr1.bin binary $array_start $element3_offset $element4_offset" \
 413     "array partial, binary" 4 "intarray\[3\]"
 414
 415 gdb_test "print intarray\[2\] == 0" " = 1" "element 2 not changed - 4"
 416 gdb_test "print intarray\[4\] == 0" " = 1" "element 4 not changed - 4"
 417
 418 if ![string compare $is64bitonly "no"] then {
 419   gdb_test "print zero_all ()" ".*" ""
 420
 421   # restore with expressions
 422   test_restore_saved_value \
 423         "intarr3.srec (char*)${array2_start}-(char*)${array_start} &intarray\[3\] &intarray\[4\]" \
 424         "array partial with expressions" 4 "intarray2\[3\]"
 425
 426   gdb_test "print intarray2\[2\] == 0" " = 1" "element 2 not changed, == 4"
 427   gdb_test "print intarray2\[4\] == 0" " = 1" "element 4 not changed, == 4"
 428 }
 429
 430
 431 # Now start a fresh gdb session, and reload the saved value files.
 432
 433 gdb_exit
 434 gdb_start
 435 gdb_file_cmd ${binfile}
 436
 437 # Now fix the endianness at the correct state.
 438
 439 gdb_test_multiple "set endian $endian" "set endianness" {
 440     -re ".* (big|little) endian.*$gdb_prompt $" {
 441         pass "setting $endian endianness"
 442     }
 443 }
 444
 445 # Reload saved values one by one, and compare.
 446
 447 if { ![string compare $array_val \
 448            [capture_value "intarray" "file binfile"]] } then {
 449     fail "start with intarray un-initialized"
 450 } else {
 451     pass "start with intarray un-initialized"
 452 }
 453
 454 if { ![string compare $struct_val \
 455            [capture_value "intstruct" "file binfile"]] } then {
 456     fail "start with intstruct un-initialized"
 457 } else {
 458     pass "start with intstruct un-initialized"
 459 }
 460
 461 proc test_reload_saved_value { filename msg oldval newval } {
 462     global gdb_prompt
 463
 464     gdb_file_cmd $filename
 465     if { ![string compare $oldval \
 466                [capture_value $newval "$msg"]] } then {
 467         pass "$msg; value restored ok"
 468     } else {
 469         fail "$msg; value restored ok"
 470     }
 471 }
 472
 473 # srec format can not be loaded for 64-bit-only platforms
 474 if ![string compare $is64bitonly "no"] then {
 475   test_reload_saved_value "intarr1.srec" "reload array as value, srec" \
 476         $array_val "\*$array_ptr_type"
 477   test_reload_saved_value "intstr1.srec" "reload struct as value, srec" \
 478         $struct_val "\*$struct_ptr_type"
 479   test_reload_saved_value "intarr2.srec" "reload array as memory, srec" \
 480         $array_val "\*$array_ptr_type"
 481   test_reload_saved_value "intstr2.srec" "reload struct as memory, srec" \
 482         $struct_val "\*$struct_ptr_type"
 483 }
 484
 485 # ihex format can not be loaded for 64-bit-only platforms
 486 if ![string compare $is64bitonly "no"] then {
 487
 488   test_reload_saved_value "intarr1.ihex" "reload array as value, intel hex" \
 489         $array_val "\*$array_ptr_type"
 490   test_reload_saved_value "intstr1.ihex" "reload struct as value, intel hex" \
 491         $struct_val "\*$struct_ptr_type"
 492   test_reload_saved_value "intarr2.ihex" "reload array as memory, intel hex" \
 493         $array_val "\*$array_ptr_type"
 494   test_reload_saved_value "intstr2.ihex" "reload struct as memory, intel hex" \
 495         $struct_val "\*$struct_ptr_type"
 496 }
 497
 498 # tekhex format can not be loaded for 64-bit-only platforms
 499 if ![string compare $is64bitonly "no"] then {
 500   test_reload_saved_value "intarr1.tekhex" "reload array as value, tekhex" \
 501         $array_val "\*$array_ptr_type"
 502   test_reload_saved_value "intstr1.tekhex" "reload struct as value, tekhex" \
 503         $struct_val "\*$struct_ptr_type"
 504   test_reload_saved_value "intarr2.tekhex" "reload array as memory, tekhex" \
 505         $array_val "\*$array_ptr_type"
 506   test_reload_saved_value "intstr2.tekhex" "reload struct as memory, tekhex" \
 507         $struct_val "\*$struct_ptr_type"
 508 }
 509
 510 # clean up files
 511
 512 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"