gdb/testsuite/gdb.base/dump.exp

   1 # Copyright 2002, 2004, 2007 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 2 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, write to the Free Software
  15 # Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  16
  17 # Please email any bugs, comments, and/or additions to this file to:
  18 # bug-gdb@prep.ai.mit.edu
  19
  20 # This file was written by Michael Snyder (msnyder@redhat.com)
  21 # This is a test for the gdb command "dump".
  22
  23 if $tracelevel then {
  24         strace $tracelevel
  25 }
  26
  27 set prms_id 0
  28 set bug_id 0
  29
  30 set testfile "dump"
  31
  32 set srcfile  ${testfile}.c
  33 set binfile  ${objdir}/${subdir}/${testfile}
  34 set options  {debug}
  35
  36 set is64bitonly "no"
  37 set endian "auto"
  38
  39 if [istarget "alpha*-*-*"] then {
  40     # SREC etc cannot handle 64-bit addresses.  Force the test
  41     # program into the low 31 bits of the address space.
  42     lappend options "additional_flags=-Wl,-taso"
  43 }
  44
  45 if {[istarget "ia64*-*-*"] || [istarget "hppa64-*-*"]} then {
  46     set is64bitonly "yes"
  47 }
  48
  49 if  { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable ${options}] != "" } {
  50      untested dump.exp
  51      return -1
  52 }
  53
  54 # Start with a fresh gdb.
  55
  56 gdb_exit
  57 gdb_start
  58 gdb_reinitialize_dir $srcdir/$subdir
  59 gdb_load ${binfile}
  60
  61 # Clean up any stale output files from previous test runs
  62
  63 remote_exec build "rm -f intarr1.bin intarr1b.bin intarr1.ihex intarr1.srec intarr1.tekhex intarr2.bin intarr2b.bin intarr2.ihex intarr2.srec intarr2.tekhex intstr1.bin intstr1b.bin intstr1.ihex intstr1.srec intstr1.tekhex intstr2.bin intstr2b.bin intstr2.ihex intstr2.srec intstr2.tekhex intarr3.srec"
  64
  65 # Test help (FIXME:)
  66
  67 # Run target program until data structs are initialized.
  68
  69 if { ! [ runto checkpoint1 ] } then {
  70     untested dump.exp
  71     return -1
  72 }
  73
  74 # Get the endianness for the later use with endianless formats.
  75
  76 send_gdb "show endian\n"
  77 gdb_expect {
  78     -re ".* (big|little) endian.*$gdb_prompt $" {
  79         set endian $expect_out(1,string)
  80         pass "endianness: $endian"
  81     }
  82     default {
  83         fail "(timeout) getting target endianness"
  84     }
  85 }
  86
  87 # Now generate some dump files.
  88
  89 proc make_dump_file { command msg } {
  90   global gdb_prompt
  91
  92     send_gdb "${command}\n"
  93     gdb_expect {
  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 $msg }
  98         timeout                                { fail "$msg (timeout)" }
  99     }
 100 }
 101
 102 make_dump_file "dump val intarr1.bin intarray" \
 103         "dump array as value, default"
 104
 105 make_dump_file "dump val intstr1.bin intstruct" \
 106         "dump struct as value, default"
 107
 108 make_dump_file "dump bin val intarr1b.bin intarray" \
 109         "dump array as value, binary"
 110
 111 make_dump_file "dump bin val intstr1b.bin intstruct" \
 112         "dump struct as value, binary"
 113
 114 make_dump_file "dump srec val intarr1.srec intarray" \
 115         "dump array as value, srec"
 116
 117 make_dump_file "dump srec val intstr1.srec intstruct" \
 118         "dump struct as value, srec"
 119
 120 make_dump_file "dump ihex val intarr1.ihex intarray" \
 121         "dump array as value, intel hex"
 122
 123 make_dump_file "dump ihex val intstr1.ihex intstruct" \
 124         "dump struct as value, intel hex"
 125
 126 make_dump_file "dump tekhex val intarr1.tekhex intarray" \
 127         "dump array as value, tekhex"
 128
 129 make_dump_file "dump tekhex val intstr1.tekhex intstruct" \
 130         "dump struct as value, tekhex"
 131
 132 proc capture_value { expression args } {
 133     global gdb_prompt
 134     global expect_out
 135
 136     set output_string ""
 137     if {[llength $args] > 0} {
 138         # Convert $args into a simple string.
 139         set test "[join $args]; capture $expression"
 140     } {
 141         set test "capture $expression"
 142     }
 143     gdb_test_multiple "print ${expression}" "$test" {
 144         -re "\\$\[0-9\]+ = (\[^\r\n\]+).*$gdb_prompt $" {
 145             set output_string "$expect_out(1,string)"
 146             pass "$test"
 147         }
 148         -re "(Cannot access memory at address \[^\r\n\]+).*$gdb_prompt $" {
 149             # Even a failed value is valid
 150             set output_string "$expect_out(1,string)"
 151             pass "$test"
 152         }
 153     }
 154     return $output_string
 155 }
 156
 157 set array_start  [capture_value "/x &intarray\[0\]"]
 158 set array_end    [capture_value "/x &intarray\[32\]"]
 159 set struct_start [capture_value "/x &intstruct"]
 160 set struct_end   [capture_value "/x &intstruct + 1"]
 161
 162 set array_val    [capture_value "intarray"]
 163 set struct_val   [capture_value "intstruct"]
 164
 165 make_dump_file "dump mem intarr2.bin $array_start $array_end" \
 166         "dump array as memory, default"
 167
 168 make_dump_file "dump  mem intstr2.bin $struct_start $struct_end" \
 169         "dump struct as memory, default"
 170
 171 make_dump_file "dump bin mem intarr2b.bin $array_start $array_end" \
 172         "dump array as memory, binary"
 173
 174 make_dump_file "dump bin mem intstr2b.bin $struct_start $struct_end" \
 175         "dump struct as memory, binary"
 176
 177 make_dump_file "dump srec mem intarr2.srec $array_start $array_end" \
 178         "dump array as memory, srec"
 179
 180 make_dump_file "dump srec mem intstr2.srec $struct_start $struct_end" \
 181         "dump struct as memory, srec"
 182
 183 make_dump_file "dump ihex mem intarr2.ihex $array_start $array_end" \
 184         "dump array as memory, ihex"
 185
 186 make_dump_file "dump ihex mem intstr2.ihex $struct_start $struct_end" \
 187         "dump struct as memory, ihex"
 188
 189 make_dump_file "dump tekhex mem intarr2.tekhex $array_start $array_end" \
 190         "dump array as memory, tekhex"
 191
 192 make_dump_file "dump tekhex mem intstr2.tekhex $struct_start $struct_end" \
 193         "dump struct as memory, tekhex"
 194
 195 # test complex expressions
 196 make_dump_file \
 197         "dump srec mem intarr3.srec &intarray \(char *\) &intarray + sizeof intarray" \
 198         "dump array as mem, srec, expressions"
 199
 200
 201 # Now start a fresh gdb session, and reload the saved value files.
 202
 203 gdb_exit
 204 gdb_start
 205 gdb_file_cmd ${binfile}
 206
 207 # Now fix the endianness at the correct state.
 208
 209 send_gdb "set endian $endian\n"
 210 gdb_expect {
 211     -re ".* (big|little) endian.*$gdb_prompt $" {
 212         pass "setting $endian endianness"
 213     }
 214     default {
 215         fail "(timeout) setting $endian endianness"
 216     }
 217 }
 218
 219 # Reload saved values one by one, and compare.
 220
 221 if { ![string compare $array_val \
 222            [capture_value "intarray" "file binfile"]] } then {
 223     fail "start with intarray un-initialized"
 224 } else {
 225     pass "start with intarray un-initialized"
 226 }
 227
 228 if { ![string compare $struct_val \
 229            [capture_value "intstruct" "file binfile"]] } then {
 230     fail "start with intstruct un-initialized"
 231 } else {
 232     pass "start with intstruct un-initialized"
 233 }
 234
 235 proc test_reload_saved_value { filename msg oldval newval } {
 236     global gdb_prompt
 237
 238     gdb_file_cmd $filename
 239     if { ![string compare $oldval \
 240                [capture_value $newval "$msg"]] } then {
 241         pass "$msg; value restored ok"
 242     } else {
 243         fail "$msg; value restored ok"
 244     }
 245 }
 246
 247 proc test_restore_saved_value { restore_args msg oldval newval } {
 248     global gdb_prompt
 249
 250     gdb_test "restore $restore_args" \
 251         "Restoring .*" \
 252         "$msg; file restored ok"
 253     if { ![string compare $oldval \
 254                [capture_value $newval "$msg"]] } then {
 255         pass "$msg; value restored ok"
 256     } else {
 257         fail "$msg; value restored ok"
 258     }
 259 }
 260
 261 # srec format can not be loaded for 64-bit-only platforms
 262 if ![string compare $is64bitonly "no"] then {
 263   test_reload_saved_value "intarr1.srec" "reload array as value, srec" \
 264         $array_val "intarray"
 265   test_reload_saved_value "intstr1.srec" "reload struct as value, srec" \
 266         $struct_val "intstruct"
 267   test_reload_saved_value "intarr2.srec" "reload array as memory, srec" \
 268         $array_val "intarray"
 269   test_reload_saved_value "intstr2.srec" "reload struct as memory, srec" \
 270         $struct_val "intstruct"
 271 }
 272
 273 # ihex format can not be loaded for 64-bit-only platforms
 274 if ![string compare $is64bitonly "no"] then {
 275
 276   test_reload_saved_value "intarr1.ihex" "reload array as value, intel hex" \
 277         $array_val "intarray"
 278   test_reload_saved_value "intstr1.ihex" "reload struct as value, intel hex" \
 279         $struct_val "intstruct"
 280   test_reload_saved_value "intarr2.ihex" "reload array as memory, intel hex" \
 281         $array_val "intarray"
 282   test_reload_saved_value "intstr2.ihex" "reload struct as memory, intel hex" \
 283         $struct_val "intstruct"
 284 }
 285
 286 # tekhex format can not be loaded for 64-bit-only platforms
 287 if ![string compare $is64bitonly "no"] then {
 288   test_reload_saved_value "intarr1.tekhex" "reload array as value, tekhex" \
 289         $array_val "intarray"
 290   test_reload_saved_value "intstr1.tekhex" "reload struct as value, tekhex" \
 291         $struct_val "intstruct"
 292   test_reload_saved_value "intarr2.tekhex" "reload array as memory, tekhex" \
 293         $array_val "intarray"
 294   test_reload_saved_value "intstr2.tekhex" "reload struct as memory, tekhex" \
 295         $struct_val "intstruct"
 296 }
 297
 298 # Start a fresh gdb session
 299
 300 gdb_exit
 301 gdb_start
 302 gdb_reinitialize_dir $srcdir/$subdir
 303 gdb_load ${binfile}
 304
 305 # Run to main.
 306 if { ! [ runto_main ] } then {
 307     untested dump.exp
 308     return -1
 309 }
 310
 311 if { ![string compare $array_val \
 312            [capture_value "intarray" "load binfile"]] } then {
 313     fail "start with intarray un-initialized, runto main"
 314 } else {
 315     pass "start with intarray un-initialized, runto main"
 316 }
 317
 318 if { ![string compare $struct_val \
 319            [capture_value "intstruct" "load binfile"]] } then {
 320     fail "start with intstruct un-initialized, runto main"
 321 } else {
 322     pass "start with intstruct un-initialized, runto main"
 323 }
 324
 325 if ![string compare $is64bitonly "no"] then {
 326   test_restore_saved_value "intarr1.srec" "array as value, srec" \
 327         $array_val "intarray"
 328
 329   test_restore_saved_value "intstr1.srec" "struct as value, srec" \
 330         $struct_val "intstruct"
 331
 332   gdb_test "print zero_all ()" "void" "zero all"
 333
 334   test_restore_saved_value "intarr2.srec" "array as memory, srec" \
 335         $array_val "intarray"
 336
 337   test_restore_saved_value "intstr2.srec" "struct as memory, srec" \
 338         $struct_val "intstruct"
 339
 340   gdb_test "print zero_all ()" ""
 341
 342   test_restore_saved_value "intarr1.ihex" "array as value, ihex" \
 343         $array_val "intarray"
 344
 345   test_restore_saved_value "intstr1.ihex" "struct as value, ihex" \
 346         $struct_val "intstruct"
 347
 348   gdb_test "print zero_all ()" ""
 349
 350   test_restore_saved_value "intarr2.ihex" "array as memory, ihex" \
 351         $array_val "intarray"
 352
 353   test_restore_saved_value "intstr2.ihex" "struct as memory, ihex" \
 354         $struct_val "intstruct"
 355
 356   gdb_test "print zero_all ()" ""
 357
 358   test_restore_saved_value "intarr1.tekhex" "array as value, tekhex" \
 359         $array_val "intarray"
 360
 361   test_restore_saved_value "intstr1.tekhex" "struct as value, tekhex" \
 362         $struct_val "intstruct"
 363
 364   gdb_test "print zero_all ()" ""
 365
 366   test_restore_saved_value "intarr2.tekhex" "array as memory, tekhex" \
 367         $array_val "intarray"
 368
 369   test_restore_saved_value "intstr2.tekhex" "struct as memory, tekhex" \
 370         $struct_val "intstruct"
 371 }
 372
 373 gdb_test "print zero_all ()" ""
 374
 375 test_restore_saved_value "intarr1.bin binary $array_start" \
 376         "array as value, binary" \
 377         $array_val "intarray"
 378
 379 test_restore_saved_value "intstr1.bin binary $struct_start" \
 380         "struct as value, binary" \
 381         $struct_val "intstruct"
 382
 383 gdb_test "print zero_all ()" ""
 384
 385 test_restore_saved_value "intarr2.bin binary $array_start" \
 386         "array as memory, binary" \
 387         $array_val "intarray"
 388
 389 test_restore_saved_value "intstr2.bin binary $struct_start" \
 390         "struct as memory, binary" \
 391         $struct_val "intstruct"
 392
 393 # test restore with offset.
 394
 395 set array2_start   [capture_value "/x &intarray2\[0\]"]
 396 set struct2_start  [capture_value "/x &intstruct2"]
 397 set array2_offset  \
 398         [capture_value "(char *) &intarray2 - (char *) &intarray"]
 399 set struct2_offset \
 400         [capture_value "(char *) &intstruct2 - (char *) &intstruct"]
 401
 402 gdb_test "print zero_all ()" ""
 403
 404
 405 if ![string compare $is64bitonly "no"] then {
 406   test_restore_saved_value "intarr1.srec $array2_offset" \
 407         "array copy, srec" \
 408         $array_val "intarray2"
 409
 410   test_restore_saved_value "intstr1.srec $struct2_offset" \
 411         "struct copy, srec" \
 412         $struct_val "intstruct2"
 413
 414   gdb_test "print zero_all ()" ""
 415
 416   test_restore_saved_value "intarr1.ihex $array2_offset" \
 417         "array copy, ihex" \
 418         $array_val "intarray2"
 419
 420   test_restore_saved_value "intstr1.ihex $struct2_offset" \
 421         "struct copy, ihex" \
 422         $struct_val "intstruct2"
 423
 424   gdb_test "print zero_all ()" ""
 425
 426   test_restore_saved_value "intarr1.tekhex $array2_offset" \
 427         "array copy, tekhex" \
 428         $array_val "intarray2"
 429
 430   test_restore_saved_value "intstr1.tekhex $struct2_offset" \
 431         "struct copy, tekhex" \
 432         $struct_val "intstruct2"
 433 }
 434
 435 gdb_test "print zero_all ()" ""
 436
 437 test_restore_saved_value "intarr1.bin binary $array2_start" \
 438         "array copy, binary" \
 439         $array_val "intarray2"
 440
 441 test_restore_saved_value "intstr1.bin binary $struct2_start" \
 442         "struct copy, binary" \
 443         $struct_val "intstruct2"
 444
 445 #
 446 # test restore with start/stop addresses.
 447 #
 448 # For this purpose, we will restore just the third element of the array,
 449 # and check to see that adjacent elements are not modified.
 450 #
 451 # We will need the address and offset of the third and fourth elements.
 452 #
 453
 454 set element3_start  [capture_value "/x &intarray\[3\]"]
 455 set element4_start  [capture_value "/x &intarray\[4\]"]
 456 set element3_offset \
 457         [capture_value "/x (char *) &intarray\[3\] - (char *) &intarray\[0\]"]
 458 set element4_offset \
 459         [capture_value "/x (char *) &intarray\[4\] - (char *) &intarray\[0\]"]
 460
 461 if ![string compare $is64bitonly "no"] then {
 462   gdb_test "print zero_all ()" ""
 463
 464   test_restore_saved_value "intarr1.srec 0 $element3_start $element4_start" \
 465         "array partial, srec" 4 "intarray\[3\]"
 466
 467   gdb_test "print intarray\[2\] == 0" " = 1" "element 2 not changed - 1"
 468   gdb_test "print intarray\[4\] == 0" " = 1" "element 4 not changed - 1"
 469
 470   gdb_test "print zero_all ()" ""
 471
 472   test_restore_saved_value "intarr1.ihex 0 $element3_start $element4_start" \
 473         "array partial, ihex" 4 "intarray\[3\]"
 474
 475   gdb_test "print intarray\[2\] == 0" " = 1" "element 2 not changed - 2"
 476   gdb_test "print intarray\[4\] == 0" " = 1" "element 4 not changed - 2"
 477
 478   gdb_test "print zero_all ()" ""
 479
 480   test_restore_saved_value "intarr1.tekhex 0 $element3_start $element4_start" \
 481         "array partial, tekhex" 4 "intarray\[3\]"
 482
 483   gdb_test "print intarray\[2\] == 0" " = 1" "element 2 not changed - 3"
 484   gdb_test "print intarray\[4\] == 0" " = 1" "element 4 not changed - 3"
 485 }
 486
 487 gdb_test "print zero_all ()" ""
 488
 489 test_restore_saved_value \
 490     "intarr1.bin binary $array_start $element3_offset $element4_offset" \
 491     "array partial, binary" 4 "intarray\[3\]"
 492
 493 gdb_test "print intarray\[2\] == 0" " = 1" "element 2 not changed - 4"
 494 gdb_test "print intarray\[4\] == 0" " = 1" "element 4 not changed - 4"
 495
 496 if ![string compare $is64bitonly "no"] then {
 497   gdb_test "print zero_all ()" "" ""
 498
 499   # restore with expressions
 500   test_restore_saved_value \
 501         "intarr3.srec ${array2_start}-${array_start} &intarray\[3\] &intarray\[4\]" \
 502         "array partial with expressions" 4 "intarray2\[3\]"
 503
 504   gdb_test "print intarray2\[2\] == 0" " = 1" "element 2 not changed, == 4"
 505   gdb_test "print intarray2\[4\] == 0" " = 1" "element 4 not changed, == 4"
 506 }
 507
 508 # clean up files
 509
 510 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"