gdb/testsuite/gdb.base/dump.exp

   1 # Copyright 2002, 2004, 2007, 2008 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 # Please email any bugs, comments, and/or additions to this file to:
  17 # bug-gdb@prep.ai.mit.edu
  18
  19 # This file was written by Michael Snyder (msnyder@redhat.com)
  20 # This is a test for the gdb command "dump".
  21
  22 if $tracelevel then {
  23         strace $tracelevel
  24 }
  25
  26 set prms_id 0
  27 set bug_id 0
  28
  29 set testfile "dump"
  30
  31 set srcfile  ${testfile}.c
  32 set binfile  ${objdir}/${subdir}/${testfile}
  33 set options  {debug}
  34
  35 set is64bitonly "no"
  36 set endian "auto"
  37
  38 if [istarget "alpha*-*-*"] then {
  39     # SREC etc cannot handle 64-bit addresses.  Force the test
  40     # program into the low 31 bits of the address space.
  41     lappend options "additional_flags=-Wl,-taso"
  42 }
  43
  44 if {[istarget "ia64*-*-*"] || [istarget "hppa64-*-*"]} then {
  45     set is64bitonly "yes"
  46 }
  47
  48 if  { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable ${options}] != "" } {
  49      untested dump.exp
  50      return -1
  51 }
  52
  53 # Start with a fresh gdb.
  54
  55 gdb_exit
  56 gdb_start
  57 gdb_reinitialize_dir $srcdir/$subdir
  58 gdb_load ${binfile}
  59
  60 # Clean up any stale output files from previous test runs
  61
  62 remote_exec build "rm -f intarr1.bin intarr1b.bin intarr1.ihex intarr1.srec intarr1.tekhex intarr2.bin intarr2b.bin intarr2.ihex intarr2.srec intarr2.tekhex intstr1.bin intstr1b.bin intstr1.ihex intstr1.srec intstr1.tekhex intstr2.bin intstr2b.bin intstr2.ihex intstr2.srec intstr2.tekhex intarr3.srec"
  63
  64 # Test help (FIXME:)
  65
  66 # Run target program until data structs are initialized.
  67
  68 if { ! [ runto checkpoint1 ] } then {
  69     untested dump.exp
  70     return -1
  71 }
  72
  73 # Get the endianness for the later use with endianless formats.
  74
  75 send_gdb "show endian\n"
  76 gdb_expect {
  77     -re ".* (big|little) endian.*$gdb_prompt $" {
  78         set endian $expect_out(1,string)
  79         pass "endianness: $endian"
  80     }
  81     default {
  82         fail "(timeout) getting target endianness"
  83     }
  84 }
  85
  86 # Now generate some dump files.
  87
  88 proc make_dump_file { command msg } {
  89   global gdb_prompt
  90
  91     send_gdb "${command}\n"
  92     gdb_expect {
  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 $msg }
  97         timeout                                { fail "$msg (timeout)" }
  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 send_gdb "set endian $endian\n"
 209 gdb_expect {
 210     -re ".* (big|little) endian.*$gdb_prompt $" {
 211         pass "setting $endian endianness"
 212     }
 213     default {
 214         fail "(timeout) setting $endian endianness"
 215     }
 216 }
 217
 218 # Reload saved values one by one, and compare.
 219
 220 if { ![string compare $array_val \
 221            [capture_value "intarray" "file binfile"]] } then {
 222     fail "start with intarray un-initialized"
 223 } else {
 224     pass "start with intarray un-initialized"
 225 }
 226
 227 if { ![string compare $struct_val \
 228            [capture_value "intstruct" "file binfile"]] } then {
 229     fail "start with intstruct un-initialized"
 230 } else {
 231     pass "start with intstruct un-initialized"
 232 }
 233
 234 proc test_reload_saved_value { filename msg oldval newval } {
 235     global gdb_prompt
 236
 237     gdb_file_cmd $filename
 238     if { ![string compare $oldval \
 239                [capture_value $newval "$msg"]] } then {
 240         pass "$msg; value restored ok"
 241     } else {
 242         fail "$msg; value restored ok"
 243     }
 244 }
 245
 246 proc test_restore_saved_value { restore_args msg oldval newval } {
 247     global gdb_prompt
 248
 249     gdb_test "restore $restore_args" \
 250         "Restoring .*" \
 251         "$msg; file restored ok"
 252     if { ![string compare $oldval \
 253                [capture_value $newval "$msg"]] } then {
 254         pass "$msg; value restored ok"
 255     } else {
 256         fail "$msg; value restored ok"
 257     }
 258 }
 259
 260 # srec format can not be loaded for 64-bit-only platforms
 261 if ![string compare $is64bitonly "no"] then {
 262   test_reload_saved_value "intarr1.srec" "reload array as value, srec" \
 263         $array_val "intarray"
 264   test_reload_saved_value "intstr1.srec" "reload struct as value, srec" \
 265         $struct_val "intstruct"
 266   test_reload_saved_value "intarr2.srec" "reload array as memory, srec" \
 267         $array_val "intarray"
 268   test_reload_saved_value "intstr2.srec" "reload struct as memory, srec" \
 269         $struct_val "intstruct"
 270 }
 271
 272 # ihex format can not be loaded for 64-bit-only platforms
 273 if ![string compare $is64bitonly "no"] then {
 274
 275   test_reload_saved_value "intarr1.ihex" "reload array as value, intel hex" \
 276         $array_val "intarray"
 277   test_reload_saved_value "intstr1.ihex" "reload struct as value, intel hex" \
 278         $struct_val "intstruct"
 279   test_reload_saved_value "intarr2.ihex" "reload array as memory, intel hex" \
 280         $array_val "intarray"
 281   test_reload_saved_value "intstr2.ihex" "reload struct as memory, intel hex" \
 282         $struct_val "intstruct"
 283 }
 284
 285 # tekhex format can not be loaded for 64-bit-only platforms
 286 if ![string compare $is64bitonly "no"] then {
 287   test_reload_saved_value "intarr1.tekhex" "reload array as value, tekhex" \
 288         $array_val "intarray"
 289   test_reload_saved_value "intstr1.tekhex" "reload struct as value, tekhex" \
 290         $struct_val "intstruct"
 291   test_reload_saved_value "intarr2.tekhex" "reload array as memory, tekhex" \
 292         $array_val "intarray"
 293   test_reload_saved_value "intstr2.tekhex" "reload struct as memory, tekhex" \
 294         $struct_val "intstruct"
 295 }
 296
 297 # Start a fresh gdb session
 298
 299 gdb_exit
 300 gdb_start
 301 gdb_reinitialize_dir $srcdir/$subdir
 302 gdb_load ${binfile}
 303
 304 # Run to main.
 305 if { ! [ runto_main ] } then {
 306     untested dump.exp
 307     return -1
 308 }
 309
 310 if { ![string compare $array_val \
 311            [capture_value "intarray" "load binfile"]] } then {
 312     fail "start with intarray un-initialized, runto main"
 313 } else {
 314     pass "start with intarray un-initialized, runto main"
 315 }
 316
 317 if { ![string compare $struct_val \
 318            [capture_value "intstruct" "load binfile"]] } then {
 319     fail "start with intstruct un-initialized, runto main"
 320 } else {
 321     pass "start with intstruct un-initialized, runto main"
 322 }
 323
 324 if ![string compare $is64bitonly "no"] then {
 325   test_restore_saved_value "intarr1.srec" "array as value, srec" \
 326         $array_val "intarray"
 327
 328   test_restore_saved_value "intstr1.srec" "struct as value, srec" \
 329         $struct_val "intstruct"
 330
 331   gdb_test "print zero_all ()" "void" "zero all"
 332
 333   test_restore_saved_value "intarr2.srec" "array as memory, srec" \
 334         $array_val "intarray"
 335
 336   test_restore_saved_value "intstr2.srec" "struct as memory, srec" \
 337         $struct_val "intstruct"
 338
 339   gdb_test "print zero_all ()" ""
 340
 341   test_restore_saved_value "intarr1.ihex" "array as value, ihex" \
 342         $array_val "intarray"
 343
 344   test_restore_saved_value "intstr1.ihex" "struct as value, ihex" \
 345         $struct_val "intstruct"
 346
 347   gdb_test "print zero_all ()" ""
 348
 349   test_restore_saved_value "intarr2.ihex" "array as memory, ihex" \
 350         $array_val "intarray"
 351
 352   test_restore_saved_value "intstr2.ihex" "struct as memory, ihex" \
 353         $struct_val "intstruct"
 354
 355   gdb_test "print zero_all ()" ""
 356
 357   test_restore_saved_value "intarr1.tekhex" "array as value, tekhex" \
 358         $array_val "intarray"
 359
 360   test_restore_saved_value "intstr1.tekhex" "struct as value, tekhex" \
 361         $struct_val "intstruct"
 362
 363   gdb_test "print zero_all ()" ""
 364
 365   test_restore_saved_value "intarr2.tekhex" "array as memory, tekhex" \
 366         $array_val "intarray"
 367
 368   test_restore_saved_value "intstr2.tekhex" "struct as memory, tekhex" \
 369         $struct_val "intstruct"
 370 }
 371
 372 gdb_test "print zero_all ()" ""
 373
 374 test_restore_saved_value "intarr1.bin binary $array_start" \
 375         "array as value, binary" \
 376         $array_val "intarray"
 377
 378 test_restore_saved_value "intstr1.bin binary $struct_start" \
 379         "struct as value, binary" \
 380         $struct_val "intstruct"
 381
 382 gdb_test "print zero_all ()" ""
 383
 384 test_restore_saved_value "intarr2.bin binary $array_start" \
 385         "array as memory, binary" \
 386         $array_val "intarray"
 387
 388 test_restore_saved_value "intstr2.bin binary $struct_start" \
 389         "struct as memory, binary" \
 390         $struct_val "intstruct"
 391
 392 # test restore with offset.
 393
 394 set array2_start   [capture_value "/x &intarray2\[0\]"]
 395 set struct2_start  [capture_value "/x &intstruct2"]
 396 set array2_offset  \
 397         [capture_value "(char *) &intarray2 - (char *) &intarray"]
 398 set struct2_offset \
 399         [capture_value "(char *) &intstruct2 - (char *) &intstruct"]
 400
 401 gdb_test "print zero_all ()" ""
 402
 403
 404 if ![string compare $is64bitonly "no"] then {
 405   test_restore_saved_value "intarr1.srec $array2_offset" \
 406         "array copy, srec" \
 407         $array_val "intarray2"
 408
 409   test_restore_saved_value "intstr1.srec $struct2_offset" \
 410         "struct copy, srec" \
 411         $struct_val "intstruct2"
 412
 413   gdb_test "print zero_all ()" ""
 414
 415   test_restore_saved_value "intarr1.ihex $array2_offset" \
 416         "array copy, ihex" \
 417         $array_val "intarray2"
 418
 419   test_restore_saved_value "intstr1.ihex $struct2_offset" \
 420         "struct copy, ihex" \
 421         $struct_val "intstruct2"
 422
 423   gdb_test "print zero_all ()" ""
 424
 425   test_restore_saved_value "intarr1.tekhex $array2_offset" \
 426         "array copy, tekhex" \
 427         $array_val "intarray2"
 428
 429   test_restore_saved_value "intstr1.tekhex $struct2_offset" \
 430         "struct copy, tekhex" \
 431         $struct_val "intstruct2"
 432 }
 433
 434 gdb_test "print zero_all ()" ""
 435
 436 test_restore_saved_value "intarr1.bin binary $array2_start" \
 437         "array copy, binary" \
 438         $array_val "intarray2"
 439
 440 test_restore_saved_value "intstr1.bin binary $struct2_start" \
 441         "struct copy, binary" \
 442         $struct_val "intstruct2"
 443
 444 #
 445 # test restore with start/stop addresses.
 446 #
 447 # For this purpose, we will restore just the third element of the array,
 448 # and check to see that adjacent elements are not modified.
 449 #
 450 # We will need the address and offset of the third and fourth elements.
 451 #
 452
 453 set element3_start  [capture_value "/x &intarray\[3\]"]
 454 set element4_start  [capture_value "/x &intarray\[4\]"]
 455 set element3_offset \
 456         [capture_value "/x (char *) &intarray\[3\] - (char *) &intarray\[0\]"]
 457 set element4_offset \
 458         [capture_value "/x (char *) &intarray\[4\] - (char *) &intarray\[0\]"]
 459
 460 if ![string compare $is64bitonly "no"] then {
 461   gdb_test "print zero_all ()" ""
 462
 463   test_restore_saved_value "intarr1.srec 0 $element3_start $element4_start" \
 464         "array partial, srec" 4 "intarray\[3\]"
 465
 466   gdb_test "print intarray\[2\] == 0" " = 1" "element 2 not changed - 1"
 467   gdb_test "print intarray\[4\] == 0" " = 1" "element 4 not changed - 1"
 468
 469   gdb_test "print zero_all ()" ""
 470
 471   test_restore_saved_value "intarr1.ihex 0 $element3_start $element4_start" \
 472         "array partial, ihex" 4 "intarray\[3\]"
 473
 474   gdb_test "print intarray\[2\] == 0" " = 1" "element 2 not changed - 2"
 475   gdb_test "print intarray\[4\] == 0" " = 1" "element 4 not changed - 2"
 476
 477   gdb_test "print zero_all ()" ""
 478
 479   test_restore_saved_value "intarr1.tekhex 0 $element3_start $element4_start" \
 480         "array partial, tekhex" 4 "intarray\[3\]"
 481
 482   gdb_test "print intarray\[2\] == 0" " = 1" "element 2 not changed - 3"
 483   gdb_test "print intarray\[4\] == 0" " = 1" "element 4 not changed - 3"
 484 }
 485
 486 gdb_test "print zero_all ()" ""
 487
 488 test_restore_saved_value \
 489     "intarr1.bin binary $array_start $element3_offset $element4_offset" \
 490     "array partial, binary" 4 "intarray\[3\]"
 491
 492 gdb_test "print intarray\[2\] == 0" " = 1" "element 2 not changed - 4"
 493 gdb_test "print intarray\[4\] == 0" " = 1" "element 4 not changed - 4"
 494
 495 if ![string compare $is64bitonly "no"] then {
 496   gdb_test "print zero_all ()" "" ""
 497
 498   # restore with expressions
 499   test_restore_saved_value \
 500         "intarr3.srec ${array2_start}-${array_start} &intarray\[3\] &intarray\[4\]" \
 501         "array partial with expressions" 4 "intarray2\[3\]"
 502
 503   gdb_test "print intarray2\[2\] == 0" " = 1" "element 2 not changed, == 4"
 504   gdb_test "print intarray2\[4\] == 0" " = 1" "element 4 not changed, == 4"
 505 }
 506
 507 # clean up files
 508
 509 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"