gdb/testsuite/gdb.base/dump.exp

   1 # Copyright 2002-2013 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
  20 standard_testfile
  21
  22 set options  {debug}
  23
  24 set is64bitonly "no"
  25 set endian "auto"
  26
  27 if [istarget "alpha*-*-*"] then {
  28     # SREC etc cannot handle 64-bit addresses.  Force the test
  29     # program into the low 31 bits of the address space.
  30     lappend options "additional_flags=-Wl,-taso"
  31 }
  32
  33 if {[istarget "spu*-*-*"]} then {
  34     # The internal address format used for the combined Cell/B.E.
  35     # debugger requires 64-bit.
  36     set is64bitonly "yes"
  37 }
  38
  39 if  { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable ${options}] != "" } {
  40      untested dump.exp
  41      return -1
  42 }
  43
  44 # Start with a fresh gdb.
  45
  46 gdb_exit
  47 gdb_start
  48 gdb_reinitialize_dir $srcdir/$subdir
  49
  50 gdb_test "dump mem /dev/null 0x10 0x20" "Cannot access memory at address 0x10" \
  51          "inaccessible memory is reported"
  52
  53 gdb_load ${binfile}
  54
  55 # Check the address of a variable.  If it is bigger than 32-bit,
  56 # assume our target has 64-bit addresses that are not supported by SREC,
  57 # IHEX and TEKHEX.  We skip those tests then.
  58 set max_32bit_address "0xffffffff"
  59 set data_address [get_hexadecimal_valueof "&intarray" 0x100000000]
  60 if {${data_address} > ${max_32bit_address}} then {
  61     set is64bitonly "yes"
  62 }
  63
  64 # Clean up any stale output files from previous test runs
  65
  66 remote_exec build "rm -f intarr1.bin intarr1b.bin intarr1.ihex intarr1.srec intarr1.tekhex intarr2.bin intarr2b.bin intarr2.ihex intarr2.srec intarr2.tekhex intstr1.bin intstr1b.bin intstr1.ihex intstr1.srec intstr1.tekhex intstr2.bin intstr2b.bin intstr2.ihex intstr2.srec intstr2.tekhex intarr3.srec"
  67
  68 # Test help (FIXME:)
  69
  70 # Run target program until data structs are initialized.
  71
  72 if { ! [ runto checkpoint1 ] } then {
  73     untested dump.exp
  74     return -1
  75 }
  76
  77 # Get the endianness for the later use with endianless formats.
  78
  79 gdb_test_multiple "show endian" "show endian" {
  80     -re ".* (big|little) endian.*$gdb_prompt $" {
  81         set endian $expect_out(1,string)
  82         pass "endianness: $endian"
  83     }
  84 }
  85
  86 # Now generate some dump files.
  87
  88 proc make_dump_file { command msg } {
  89   global gdb_prompt
  90
  91     gdb_test_multiple "${command}" "$msg" {
  92         -re ".*\[Ee\]rror.*$gdb_prompt $"      { fail $msg }
  93         -re ".*\[Ww\]arning.*$gdb_prompt $"    { fail $msg }
  94         -re ".*\[Uu\]ndefined .*$gdb_prompt $" { fail $msg }
  95         -re ".*$gdb_prompt $"                  { pass $msg }
  96     }
  97 }
  98
  99 make_dump_file "dump val intarr1.bin intarray" \
 100         "dump array as value, default"
 101
 102 make_dump_file "dump val intstr1.bin intstruct" \
 103         "dump struct as value, default"
 104
 105 make_dump_file "dump bin val intarr1b.bin intarray" \
 106         "dump array as value, binary"
 107
 108 make_dump_file "dump bin val intstr1b.bin intstruct" \
 109         "dump struct as value, binary"
 110
 111 make_dump_file "dump srec val intarr1.srec intarray" \
 112         "dump array as value, srec"
 113
 114 make_dump_file "dump srec val intstr1.srec intstruct" \
 115         "dump struct as value, srec"
 116
 117 make_dump_file "dump ihex val intarr1.ihex intarray" \
 118         "dump array as value, intel hex"
 119
 120 make_dump_file "dump ihex val intstr1.ihex intstruct" \
 121         "dump struct as value, intel hex"
 122
 123 make_dump_file "dump tekhex val intarr1.tekhex intarray" \
 124         "dump array as value, tekhex"
 125
 126 make_dump_file "dump tekhex val intstr1.tekhex intstruct" \
 127         "dump struct as value, tekhex"
 128
 129 proc capture_value { expression args } {
 130     global gdb_prompt
 131     global expect_out
 132
 133     set output_string ""
 134     if {[llength $args] > 0} {
 135         # Convert $args into a simple string and don't use EXPRESSION
 136         # in the test name.
 137         set test "[join $args]; capture"
 138     } {
 139         set test "capture $expression"
 140     }
 141     gdb_test_multiple "print ${expression}" "$test" {
 142         -re "\\$\[0-9\]+ = (\[^\r\n\]+).*$gdb_prompt $" {
 143             set output_string "$expect_out(1,string)"
 144             pass "$test"
 145         }
 146         -re "(Cannot access memory at address \[^\r\n\]+).*$gdb_prompt $" {
 147             # Even a failed value is valid
 148             set output_string "$expect_out(1,string)"
 149             pass "$test"
 150         }
 151     }
 152     return $output_string
 153 }
 154
 155 # POINTER is a pointer and this proc captures the value of POINTER along
 156 # with POINTER's type.  For example, POINTER is "&intarray", this proc will
 157 # call "p &intarray", capture "(int (*)[32]) 0x804a0e0", and return this
 158 # string.
 159
 160 proc capture_pointer_with_type { pointer } {
 161     global gdb_prompt
 162     global expect_out
 163
 164     set test "capture type of pointer $pointer"
 165     set output_string ""
 166     gdb_test_multiple "p ${pointer}" $test {
 167         -re "\\$\[0-9\]+ = .*$gdb_prompt $" {
 168             # Expected output of "p ${pointer}" is like "$7 = (int (*)[32]) 0x804a0e0",
 169             # and we want to extract "(int (*)[32]) 0x804a0e0" from it via
 170             # following regexp.
 171             if [regexp " \\(.*\\).* 0x\[0-9a-fA-F\]+" $expect_out(0,string) output_string] {
 172                 # OUTPUT_STRING is expected to be like "(int (*)[32]) 0x804a0e0".
 173                 pass "$test"
 174             } else {
 175                 fail "$test"
 176             }
 177         }
 178     }
 179
 180     return $output_string
 181 }
 182
 183 set array_start  [capture_value "/x &intarray\[0\]"]
 184 set array_end    [capture_value "/x &intarray\[32\]"]
 185 set struct_start [capture_value "/x &intstruct"]
 186 set struct_end   [capture_value "/x &intstruct + 1"]
 187
 188 set array_val    [capture_value "intarray"]
 189 set struct_val   [capture_value "intstruct"]
 190
 191 set array_ptr_type [capture_pointer_with_type "&intarray"]
 192 set struct_ptr_type [capture_pointer_with_type "&intstruct"]
 193
 194 make_dump_file "dump mem intarr2.bin $array_start $array_end" \
 195         "dump array as memory, default"
 196
 197 make_dump_file "dump  mem intstr2.bin $struct_start $struct_end" \
 198         "dump struct as memory, default"
 199
 200 make_dump_file "dump bin mem intarr2b.bin $array_start $array_end" \
 201         "dump array as memory, binary"
 202
 203 make_dump_file "dump bin mem intstr2b.bin $struct_start $struct_end" \
 204         "dump struct as memory, binary"
 205
 206 make_dump_file "dump srec mem intarr2.srec $array_start $array_end" \
 207         "dump array as memory, srec"
 208
 209 make_dump_file "dump srec mem intstr2.srec $struct_start $struct_end" \
 210         "dump struct as memory, srec"
 211
 212 make_dump_file "dump ihex mem intarr2.ihex $array_start $array_end" \
 213         "dump array as memory, ihex"
 214
 215 make_dump_file "dump ihex mem intstr2.ihex $struct_start $struct_end" \
 216         "dump struct as memory, ihex"
 217
 218 make_dump_file "dump tekhex mem intarr2.tekhex $array_start $array_end" \
 219         "dump array as memory, tekhex"
 220
 221 make_dump_file "dump tekhex mem intstr2.tekhex $struct_start $struct_end" \
 222         "dump struct as memory, tekhex"
 223
 224 # test complex expressions
 225 make_dump_file \
 226         "dump srec mem intarr3.srec &intarray \(char *\) &intarray + sizeof intarray" \
 227         "dump array as mem, srec, expressions"
 228
 229 proc test_restore_saved_value { restore_args msg oldval newval } {
 230     global gdb_prompt
 231
 232     gdb_test "restore $restore_args" \
 233         "Restoring .*" \
 234         "$msg; file restored ok"
 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 if ![string compare $is64bitonly "no"] then {
 244
 245   gdb_test "print zero_all ()" ".*"
 246
 247   test_restore_saved_value "intarr1.srec" "array as value, srec" \
 248         $array_val "intarray"
 249
 250   test_restore_saved_value "intstr1.srec" "struct as value, srec" \
 251         $struct_val "intstruct"
 252
 253   gdb_test "print zero_all ()" "void" "zero all"
 254
 255   test_restore_saved_value "intarr2.srec" "array as memory, srec" \
 256         $array_val "intarray"
 257
 258   test_restore_saved_value "intstr2.srec" "struct as memory, srec" \
 259         $struct_val "intstruct"
 260
 261   gdb_test "print zero_all ()" ".*"
 262
 263   test_restore_saved_value "intarr1.ihex" "array as value, ihex" \
 264         $array_val "intarray"
 265
 266   test_restore_saved_value "intstr1.ihex" "struct as value, ihex" \
 267         $struct_val "intstruct"
 268
 269   gdb_test "print zero_all ()" ".*"
 270
 271   test_restore_saved_value "intarr2.ihex" "array as memory, ihex" \
 272         $array_val "intarray"
 273
 274   test_restore_saved_value "intstr2.ihex" "struct as memory, ihex" \
 275         $struct_val "intstruct"
 276
 277   gdb_test "print zero_all ()" ".*"
 278
 279   test_restore_saved_value "intarr1.tekhex" "array as value, tekhex" \
 280         $array_val "intarray"
 281
 282   test_restore_saved_value "intstr1.tekhex" "struct as value, tekhex" \
 283         $struct_val "intstruct"
 284
 285   gdb_test "print zero_all ()" ".*"
 286
 287   test_restore_saved_value "intarr2.tekhex" "array as memory, tekhex" \
 288         $array_val "intarray"
 289
 290   test_restore_saved_value "intstr2.tekhex" "struct as memory, tekhex" \
 291         $struct_val "intstruct"
 292 }
 293
 294 gdb_test "print zero_all ()" ".*"
 295
 296 test_restore_saved_value "intarr1.bin binary $array_start" \
 297         "array as value, binary" \
 298         $array_val "intarray"
 299
 300 test_restore_saved_value "intstr1.bin binary $struct_start" \
 301         "struct as value, binary" \
 302         $struct_val "intstruct"
 303
 304 gdb_test "print zero_all ()" ".*"
 305
 306 test_restore_saved_value "intarr2.bin binary $array_start" \
 307         "array as memory, binary" \
 308         $array_val "intarray"
 309
 310 test_restore_saved_value "intstr2.bin binary $struct_start" \
 311         "struct as memory, binary" \
 312         $struct_val "intstruct"
 313
 314 # test restore with offset.
 315
 316 set array2_start   [capture_value "/x &intarray2\[0\]"]
 317 set struct2_start  [capture_value "/x &intstruct2"]
 318 set array2_offset  \
 319         [capture_value "(char *) &intarray2 - (char *) &intarray"]
 320 set struct2_offset \
 321         [capture_value "(char *) &intstruct2 - (char *) &intstruct"]
 322
 323 gdb_test "print zero_all ()" ".*"
 324
 325
 326 if ![string compare $is64bitonly "no"] then {
 327   test_restore_saved_value "intarr1.srec $array2_offset" \
 328         "array copy, srec" \
 329         $array_val "intarray2"
 330
 331   test_restore_saved_value "intstr1.srec $struct2_offset" \
 332         "struct copy, srec" \
 333         $struct_val "intstruct2"
 334
 335   gdb_test "print zero_all ()" ".*"
 336
 337   test_restore_saved_value "intarr1.ihex $array2_offset" \
 338         "array copy, ihex" \
 339         $array_val "intarray2"
 340
 341   test_restore_saved_value "intstr1.ihex $struct2_offset" \
 342         "struct copy, ihex" \
 343         $struct_val "intstruct2"
 344
 345   gdb_test "print zero_all ()" ".*"
 346
 347   test_restore_saved_value "intarr1.tekhex $array2_offset" \
 348         "array copy, tekhex" \
 349         $array_val "intarray2"
 350
 351   test_restore_saved_value "intstr1.tekhex $struct2_offset" \
 352         "struct copy, tekhex" \
 353         $struct_val "intstruct2"
 354 }
 355
 356 gdb_test "print zero_all ()" ".*"
 357
 358 test_restore_saved_value "intarr1.bin binary $array2_start" \
 359         "array copy, binary" \
 360         $array_val "intarray2"
 361
 362 test_restore_saved_value "intstr1.bin binary $struct2_start" \
 363         "struct copy, binary" \
 364         $struct_val "intstruct2"
 365
 366 #
 367 # test restore with start/stop addresses.
 368 #
 369 # For this purpose, we will restore just the third element of the array,
 370 # and check to see that adjacent elements are not modified.
 371 #
 372 # We will need the address and offset of the third and fourth elements.
 373 #
 374
 375 set element3_start  [capture_value "/x &intarray\[3\]"]
 376 set element4_start  [capture_value "/x &intarray\[4\]"]
 377 set element3_offset \
 378         [capture_value "/x (char *) &intarray\[3\] - (char *) &intarray\[0\]"]
 379 set element4_offset \
 380         [capture_value "/x (char *) &intarray\[4\] - (char *) &intarray\[0\]"]
 381
 382 if ![string compare $is64bitonly "no"] then {
 383   gdb_test "print zero_all ()" ".*"
 384
 385   test_restore_saved_value "intarr1.srec 0 $element3_start $element4_start" \
 386         "array partial, srec" 4 "intarray\[3\]"
 387
 388   gdb_test "print intarray\[2\] == 0" " = 1" "element 2 not changed - 1"
 389   gdb_test "print intarray\[4\] == 0" " = 1" "element 4 not changed - 1"
 390
 391   gdb_test "print zero_all ()" ".*"
 392
 393   test_restore_saved_value "intarr1.ihex 0 $element3_start $element4_start" \
 394         "array partial, ihex" 4 "intarray\[3\]"
 395
 396   gdb_test "print intarray\[2\] == 0" " = 1" "element 2 not changed - 2"
 397   gdb_test "print intarray\[4\] == 0" " = 1" "element 4 not changed - 2"
 398
 399   gdb_test "print zero_all ()" ".*"
 400
 401   test_restore_saved_value "intarr1.tekhex 0 $element3_start $element4_start" \
 402         "array partial, tekhex" 4 "intarray\[3\]"
 403
 404   gdb_test "print intarray\[2\] == 0" " = 1" "element 2 not changed - 3"
 405   gdb_test "print intarray\[4\] == 0" " = 1" "element 4 not changed - 3"
 406 }
 407
 408 gdb_test "print zero_all ()" ".*"
 409
 410 test_restore_saved_value \
 411     "intarr1.bin binary $array_start $element3_offset $element4_offset" \
 412     "array partial, binary" 4 "intarray\[3\]"
 413
 414 gdb_test "print intarray\[2\] == 0" " = 1" "element 2 not changed - 4"
 415 gdb_test "print intarray\[4\] == 0" " = 1" "element 4 not changed - 4"
 416
 417 if ![string compare $is64bitonly "no"] then {
 418   gdb_test "print zero_all ()" ".*" ""
 419
 420   # restore with expressions
 421   test_restore_saved_value \
 422         "intarr3.srec (char*)${array2_start}-(char*)${array_start} &intarray\[3\] &intarray\[4\]" \
 423         "array partial with expressions" 4 "intarray2\[3\]"
 424
 425   gdb_test "print intarray2\[2\] == 0" " = 1" "element 2 not changed, == 4"
 426   gdb_test "print intarray2\[4\] == 0" " = 1" "element 4 not changed, == 4"
 427 }
 428
 429
 430 # Now start a fresh gdb session, and reload the saved value files.
 431
 432 gdb_exit
 433 gdb_start
 434 gdb_file_cmd ${binfile}
 435
 436 # Now fix the endianness at the correct state.
 437
 438 gdb_test_multiple "set endian $endian" "set endianness" {
 439     -re ".* (big|little) endian.*$gdb_prompt $" {
 440         pass "setting $endian endianness"
 441     }
 442 }
 443
 444 # Reload saved values one by one, and compare.
 445
 446 if { ![string compare $array_val \
 447            [capture_value "intarray" "file binfile; intarray"]] } then {
 448     fail "start with intarray un-initialized"
 449 } else {
 450     pass "start with intarray un-initialized"
 451 }
 452
 453 if { ![string compare $struct_val \
 454            [capture_value "intstruct" "file binfile; intstruct"]] } then {
 455     fail "start with intstruct un-initialized"
 456 } else {
 457     pass "start with intstruct un-initialized"
 458 }
 459
 460 proc test_reload_saved_value { filename msg oldval newval } {
 461     global gdb_prompt
 462
 463     gdb_file_cmd $filename
 464     if { ![string compare $oldval \
 465                [capture_value $newval "$msg"]] } then {
 466         pass "$msg; value restored ok"
 467     } else {
 468         fail "$msg; value restored ok"
 469     }
 470 }
 471
 472 # srec format can not be loaded for 64-bit-only platforms
 473 if ![string compare $is64bitonly "no"] then {
 474   test_reload_saved_value "intarr1.srec" "reload array as value, srec" \
 475         $array_val "\*$array_ptr_type"
 476   test_reload_saved_value "intstr1.srec" "reload struct as value, srec" \
 477         $struct_val "\*$struct_ptr_type"
 478   test_reload_saved_value "intarr2.srec" "reload array as memory, srec" \
 479         $array_val "\*$array_ptr_type"
 480   test_reload_saved_value "intstr2.srec" "reload struct as memory, srec" \
 481         $struct_val "\*$struct_ptr_type"
 482 }
 483
 484 # ihex format can not be loaded for 64-bit-only platforms
 485 if ![string compare $is64bitonly "no"] then {
 486
 487   test_reload_saved_value "intarr1.ihex" "reload array as value, intel hex" \
 488         $array_val "\*$array_ptr_type"
 489   test_reload_saved_value "intstr1.ihex" "reload struct as value, intel hex" \
 490         $struct_val "\*$struct_ptr_type"
 491   test_reload_saved_value "intarr2.ihex" "reload array as memory, intel hex" \
 492         $array_val "\*$array_ptr_type"
 493   test_reload_saved_value "intstr2.ihex" "reload struct as memory, intel hex" \
 494         $struct_val "\*$struct_ptr_type"
 495 }
 496
 497 # tekhex format can not be loaded for 64-bit-only platforms
 498 if ![string compare $is64bitonly "no"] then {
 499   test_reload_saved_value "intarr1.tekhex" "reload array as value, tekhex" \
 500         $array_val "\*$array_ptr_type"
 501   test_reload_saved_value "intstr1.tekhex" "reload struct as value, tekhex" \
 502         $struct_val "\*$struct_ptr_type"
 503   test_reload_saved_value "intarr2.tekhex" "reload array as memory, tekhex" \
 504         $array_val "\*$array_ptr_type"
 505   test_reload_saved_value "intstr2.tekhex" "reload struct as memory, tekhex" \
 506         $struct_val "\*$struct_ptr_type"
 507 }
 508
 509 # clean up files
 510
 511 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"