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 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 22if $tracelevel then { 23 strace $tracelevel 24} 25 26set prms_id 0 27set bug_id 0 28 29set testfile "dump" 30 31set srcfile ${testfile}.c 32set binfile ${objdir}/${subdir}/${testfile} 33set options {debug} 34 35set is64bitonly "no" 36set endian "auto" 37 38if [istarget "alpha*-*-*"] then { 39 # SREC etc cannot handle 64-bit addresses. Force the test 40 # program into the low 31 bits of the address space. 41 lappend options "additional_flags=-Wl,-taso" 42} 43 44if {[istarget "ia64*-*-*"] || [istarget "hppa64-*-*"]} then { 45 set is64bitonly "yes" 46} 47 48if { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable ${options}] != "" } { 49 untested dump.exp 50 return -1 51} 52 53# Start with a fresh gdb. 54 55gdb_exit 56gdb_start 57gdb_reinitialize_dir $srcdir/$subdir 58gdb_load ${binfile} 59 60# Clean up any stale output files from previous test runs 61 62remote_exec build "rm -f intarr1.bin intarr1b.bin intarr1.ihex intarr1.srec intarr1.tekhex intarr2.bin intarr2b.bin intarr2.ihex intarr2.srec intarr2.tekhex intstr1.bin intstr1b.bin intstr1.ihex intstr1.srec intstr1.tekhex intstr2.bin intstr2b.bin intstr2.ihex intstr2.srec intstr2.tekhex intarr3.srec" 63 64# Test help (FIXME:) 65 66# Run target program until data structs are initialized. 67 68if { ! [ runto checkpoint1 ] } then { 69 untested dump.exp 70 return -1 71} 72 73# Get the endianness for the later use with endianless formats. 74 75send_gdb "show endian\n" 76gdb_expect { 77 -re ".* (big|little) endian.*$gdb_prompt $" { 78 set endian $expect_out(1,string) 79 pass "endianness: $endian" 80 } 81 default { 82 fail "(timeout) getting target endianness" 83 } 84} 85 86# Now generate some dump files. 87 88proc make_dump_file { command msg } { 89 global gdb_prompt 90 91 send_gdb "${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 101make_dump_file "dump val intarr1.bin intarray" \ 102 "dump array as value, default" 103 104make_dump_file "dump val intstr1.bin intstruct" \ 105 "dump struct as value, default" 106 107make_dump_file "dump bin val intarr1b.bin intarray" \ 108 "dump array as value, binary" 109 110make_dump_file "dump bin val intstr1b.bin intstruct" \ 111 "dump struct as value, binary" 112 113make_dump_file "dump srec val intarr1.srec intarray" \ 114 "dump array as value, srec" 115 116make_dump_file "dump srec val intstr1.srec intstruct" \ 117 "dump struct as value, srec" 118 119make_dump_file "dump ihex val intarr1.ihex intarray" \ 120 "dump array as value, intel hex" 121 122make_dump_file "dump ihex val intstr1.ihex intstruct" \ 123 "dump struct as value, intel hex" 124 125make_dump_file "dump tekhex val intarr1.tekhex intarray" \ 126 "dump array as value, tekhex" 127 128make_dump_file "dump tekhex val intstr1.tekhex intstruct" \ 129 "dump struct as value, tekhex" 130 131proc 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 156set array_start [capture_value "/x &intarray\[0\]"] 157set array_end [capture_value "/x &intarray\[32\]"] 158set struct_start [capture_value "/x &intstruct"] 159set struct_end [capture_value "/x &intstruct + 1"] 160 161set array_val [capture_value "intarray"] 162set struct_val [capture_value "intstruct"] 163 164make_dump_file "dump mem intarr2.bin $array_start $array_end" \ 165 "dump array as memory, default" 166 167make_dump_file "dump mem intstr2.bin $struct_start $struct_end" \ 168 "dump struct as memory, default" 169 170make_dump_file "dump bin mem intarr2b.bin $array_start $array_end" \ 171 "dump array as memory, binary" 172 173make_dump_file "dump bin mem intstr2b.bin $struct_start $struct_end" \ 174 "dump struct as memory, binary" 175 176make_dump_file "dump srec mem intarr2.srec $array_start $array_end" \ 177 "dump array as memory, srec" 178 179make_dump_file "dump srec mem intstr2.srec $struct_start $struct_end" \ 180 "dump struct as memory, srec" 181 182make_dump_file "dump ihex mem intarr2.ihex $array_start $array_end" \ 183 "dump array as memory, ihex" 184 185make_dump_file "dump ihex mem intstr2.ihex $struct_start $struct_end" \ 186 "dump struct as memory, ihex" 187 188make_dump_file "dump tekhex mem intarr2.tekhex $array_start $array_end" \ 189 "dump array as memory, tekhex" 190 191make_dump_file "dump tekhex mem intstr2.tekhex $struct_start $struct_end" \ 192 "dump struct as memory, tekhex" 193 194# test complex expressions 195make_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 202gdb_exit 203gdb_start 204gdb_file_cmd ${binfile} 205 206# Now fix the endianness at the correct state. 207 208send_gdb "set endian $endian\n" 209gdb_expect { 210 -re ".* (big|little) endian.*$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 220if { ![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 227if { ![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 234proc 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 246proc 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 261if ![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 273if ![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 286if ![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 299gdb_exit 300gdb_start 301gdb_reinitialize_dir $srcdir/$subdir 302gdb_load ${binfile} 303 304# Run to main. 305if { ! [ runto_main ] } then { 306 untested dump.exp 307 return -1 308} 309 310if { ![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 317if { ![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 324if ![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 372gdb_test "print zero_all ()" "" 373 374test_restore_saved_value "intarr1.bin binary $array_start" \ 375 "array as value, binary" \ 376 $array_val "intarray" 377 378test_restore_saved_value "intstr1.bin binary $struct_start" \ 379 "struct as value, binary" \ 380 $struct_val "intstruct" 381 382gdb_test "print zero_all ()" "" 383 384test_restore_saved_value "intarr2.bin binary $array_start" \ 385 "array as memory, binary" \ 386 $array_val "intarray" 387 388test_restore_saved_value "intstr2.bin binary $struct_start" \ 389 "struct as memory, binary" \ 390 $struct_val "intstruct" 391 392# test restore with offset. 393 394set array2_start [capture_value "/x &intarray2\[0\]"] 395set struct2_start [capture_value "/x &intstruct2"] 396set array2_offset \ 397 [capture_value "(char *) &intarray2 - (char *) &intarray"] 398set struct2_offset \ 399 [capture_value "(char *) &intstruct2 - (char *) &intstruct"] 400 401gdb_test "print zero_all ()" "" 402 403 404if ![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 434gdb_test "print zero_all ()" "" 435 436test_restore_saved_value "intarr1.bin binary $array2_start" \ 437 "array copy, binary" \ 438 $array_val "intarray2" 439 440test_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 453set element3_start [capture_value "/x &intarray\[3\]"] 454set element4_start [capture_value "/x &intarray\[4\]"] 455set element3_offset \ 456 [capture_value "/x (char *) &intarray\[3\] - (char *) &intarray\[0\]"] 457set element4_offset \ 458 [capture_value "/x (char *) &intarray\[4\] - (char *) &intarray\[0\]"] 459 460if ![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 486gdb_test "print zero_all ()" "" 487 488test_restore_saved_value \ 489 "intarr1.bin binary $array_start $element3_offset $element4_offset" \ 490 "array partial, binary" 4 "intarray\[3\]" 491 492gdb_test "print intarray\[2\] == 0" " = 1" "element 2 not changed - 4" 493gdb_test "print intarray\[4\] == 0" " = 1" "element 4 not changed - 4" 494 495if ![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 509remote_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" 510