gdb/testsuite/gdb.base/dump.exp

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