gdb/testsuite/gdb.base/charset.exp

   1 # This testcase is part of GDB, the GNU debugger.
   2
   3 # Copyright 2001, 2004, 2007, 2008, 2009, 2010 Free Software Foundation, Inc.
   4
   5 # This program is free software; you can redistribute it and/or modify
   6 # it under the terms of the GNU General Public License as published by
   7 # the Free Software Foundation; either version 3 of the License, or
   8 # (at your option) any later version.
   9 #
  10 # This program is distributed in the hope that it will be useful,
  11 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  12 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13 # GNU General Public License for more details.
  14 #
  15 # You should have received a copy of the GNU General Public License
  16 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
  17
  18 # Please email any bugs, comments, and/or additions to this file to:
  19 # bug-gdb@gnu.org
  20
  21 # Test GDB's character set support.
  22
  23 if $tracelevel then {
  24         strace $tracelevel
  25 }
  26
  27 set prms_id 0
  28 set bug_id 0
  29
  30 set testfile "charset"
  31 set srcfile ${testfile}.c
  32 set binfile ${objdir}/${subdir}/${testfile}
  33 if  { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug}] != "" } {
  34     untested "couldn't compile ${srcdir}/${subdir}/${srcfile}"
  35     return -1
  36 }
  37
  38 # Start with a fresh gdb.
  39 gdb_exit
  40 gdb_start
  41 gdb_reinitialize_dir $srcdir/$subdir
  42 gdb_load ${binfile}
  43
  44 # Parse the output from a `show charset' command.  Return the host
  45 # and target charset as a two-element list.
  46 proc parse_show_charset_output {testname} {
  47     global gdb_prompt
  48
  49     gdb_expect {
  50         -re "The host character set is \"(.*)\"\\.\[\r\n\]+The target character set is \"(.*)\"\\.\[\r\n\]+The target wide character set is \"(.*)\"\\.\[\r\n\]+$gdb_prompt $" {
  51             set host_charset $expect_out(1,string)
  52             set target_charset $expect_out(2,string)
  53             set retlist [list $host_charset $target_charset]
  54             pass $testname
  55         }
  56         -re "The host character set is \"(.*)\"\\.\[\r\n\]+$gdb_prompt $" {
  57             set host_charset $expect_out(1,string)
  58             set retlist [list $host_charset]
  59             pass $testname
  60         }
  61         -re "The target character set is \"(.*)\"\\.\[\r\n\]+$gdb_prompt $" {
  62             set target_charset $expect_out(1,string)
  63             set retlist [list $target_charset]
  64             pass $testname
  65         }
  66         -re ".*$gdb_prompt $" {
  67             fail $testname
  68         }
  69         timeout {
  70             fail "$testname (timeout)"
  71         }
  72     }
  73
  74     return $retlist
  75 }
  76
  77
  78 # Try the various `show charset' commands.
  79
  80 send_gdb "show charset\n"
  81 set show_charset [parse_show_charset_output "show charset"]
  82
  83 send_gdb "show target-charset\n"
  84 set show_target_charset \
  85   [lindex [parse_show_charset_output "show target-charset"] 0]
  86
  87 if {[lsearch -exact $show_charset $show_target_charset] >= 0} {
  88     pass "check `show target-charset' against `show charset'"
  89 } else {
  90     fail "check `show target-charset' against `show charset'"
  91 }
  92
  93 send_gdb "show host-charset\n"
  94 set show_host_charset \
  95   [lindex [parse_show_charset_output "show host-charset"] 0]
  96
  97 if {[lsearch -exact $show_charset $show_host_charset] >= 0} {
  98     pass "check `show host-charset' against `show charset'"
  99 } else {
 100     fail "check `show host-charset' against `show charset'"
 101 }
 102
 103 # Try a malformed `set charset'.
 104 gdb_test "set charset" \
 105          "Requires an argument. Valid arguments are.*" \
 106          "try malformed `set charset'"
 107
 108 # Try using `set host-charset' on an invalid character set.
 109 gdb_test "set host-charset my_grandma_bonnie" \
 110          "Undefined item: \"my_grandma_bonnie\"." \
 111          "try `set host-charset' with invalid charset"
 112
 113 # Try using `set target-charset' on an invalid character set.
 114 gdb_test "set target-charset my_grandma_bonnie" \
 115          "Undefined item: \"my_grandma_bonnie\"." \
 116          "try `set target-charset' with invalid charset"
 117
 118 # A Tcl array mapping the names of all the character sets we've seen
 119 # to "1" if the character set can be used as a host character set, or
 120 # "0" otherwise.  We can use `array names charsets' just to get a list
 121 # of all character sets.
 122 array set charsets {}
 123
 124 proc all_charset_names {} {
 125     global charsets
 126     return [array names charsets]
 127 }
 128
 129 proc valid_host_charset {charset} {
 130     global charsets
 131     return [expr {[info exists charsets($charset)] && $charsets($charset)}]
 132 }
 133
 134 proc valid_target_charset {charset} {
 135     global charsets
 136     return [info exists charsets($charset)]
 137 }
 138
 139 send_gdb "set host-charset\n"
 140 gdb_expect {
 141     -re "Requires an argument. Valid arguments are (.*)\\.\r\n$gdb_prompt $" {
 142         set host_charset_list $expect_out(1,string)
 143         regsub -all {, } $host_charset_list {,} host_charset_list
 144         foreach host_charset [split $host_charset_list ","] {
 145             set charsets($host_charset) 1
 146         }
 147         pass "capture valid host charsets"
 148     }
 149
 150     -re ".*$gdb_prompt $" {
 151         fail "capture valid host charsets"
 152     }
 153
 154     timeout {
 155         fail "(timeout) capture valid host charsets"
 156     }
 157 }
 158
 159 # If gdb was built with a phony iconv, it will only have two character
 160 # sets: "auto" and the default.  In this situation, this set of tests
 161 # is pointless.
 162 if {[llength [array names charsets]] < 3} {
 163     untested charset.exp
 164     return -1
 165 }
 166
 167 send_gdb "set target-charset\n"
 168 gdb_expect {
 169     -re "Requires an argument. Valid arguments are (.*)\\.\r\n$gdb_prompt $" {
 170         set target_charset_list $expect_out(1,string)
 171         regsub -all {, } $target_charset_list {,} target_charset_list
 172         foreach target_charset [split $target_charset_list ","] {
 173             if {! [info exists charsets($target_charset)]} {
 174                 set charsets($target_charset) 0
 175             }
 176         }
 177         pass "capture valid target charsets"
 178     }
 179
 180     -re ".*$gdb_prompt $" {
 181         fail "capture valid target charsets"
 182     }
 183
 184     timeout {
 185         fail "(timeout) capture valid target charsets"
 186     }
 187 }
 188
 189 # We don't want to test all the charset names here, since that would
 190 # be too many combinations.  We we pick a subset.
 191 set charset_subset {ASCII ISO-8859-1 EBCDIC-US IBM1047}
 192 foreach host_charset $charset_subset {
 193     if {[valid_host_charset $host_charset]} {
 194
 195         set testname "try `set host-charset $host_charset'"
 196         send_gdb "set host-charset $host_charset\n"
 197         gdb_expect {
 198             -re "GDB doesn't know of any character set named.*\[\r\n]+${gdb_prompt} $" {
 199                 # How did it get into `charsets' then?
 200                 fail "$testname (didn't recognize name)"
 201             }
 202             -re "GDB can't use `.*' as its host character set\\.\[\r\n]+${gdb_prompt} $" {
 203                 # Well, then why does its `charsets' entry say it can?
 204                 fail $testname
 205             }
 206             -re "${gdb_prompt} $" {
 207                 pass $testname
 208             }
 209             timeout {
 210                 fail "$testname (timeout)"
 211             }
 212         }
 213
 214         # Check that the command actually had its intended effect:
 215         # $host_charset should now be the host character set.
 216         send_gdb "show charset\n"
 217         set result [parse_show_charset_output "parse `show charset' after `set host-charset $host_charset'"]
 218         if {! [string compare [lindex $result 0] $host_charset]} {
 219             pass "check effect of `set host-charset $host_charset'"
 220         } else {
 221             fail "check effect of `set host-charset $host_charset'"
 222         }
 223
 224         # Now try setting every possible target character set,
 225         # given that host charset.
 226         foreach target_charset $charset_subset {
 227             if {![valid_target_charset $target_charset]} {
 228                 continue
 229             }
 230             set testname "try `set target-charset $target_charset'"
 231             send_gdb "set target-charset $target_charset\n"
 232             gdb_expect {
 233                 -re "GDB doesn't know of any character set named.*\[\r\n]+${gdb_prompt} $" {
 234                     fail "$testname (didn't recognize name)"
 235                 }
 236                 -re "GDB can't convert from the .* character set to .*\\.\[\r\n\]+${gdb_prompt} $" {
 237                     # This is a serious problem.  GDB should be able to convert
 238                     # between any arbitrary pair of character sets.
 239                     fail "$testname (can't convert)"
 240                 }
 241                 -re "${gdb_prompt} $" {
 242                     pass $testname
 243                 }
 244                 timeout {
 245                     fail "$testname (timeout)"
 246                 }
 247             }
 248
 249             # Check that the command actually had its intended effect:
 250             # $target_charset should now be the target charset.
 251             send_gdb "show charset\n"
 252             set result [parse_show_charset_output "parse `show charset' after `set target-charset $target_charset'"]
 253             if {! [string compare $result [list $host_charset $target_charset]]} {
 254                 pass "check effect of `set target-charset $target_charset'"
 255             } else {
 256                 fail "check effect of `set target-charset $target_charset'"
 257             }
 258
 259             # Test handling of characters in the host charset which
 260             # can't be translated into the target charset.  \xA2 is
 261             # `cent' in ISO-8859-1, which has no equivalent in ASCII.
 262             #
 263             # On some systems, the pseudo-tty through which we
 264             # communicate with GDB insists on stripping the high bit
 265             # from input characters, meaning that `cent' turns into
 266             # `"'.  Since ISO-8859-1 and ASCII are identical in the
 267             # lower 128 characters, it's tough to see how we can test
 268             # this behavior on such systems, so we just xfail it.
 269             #
 270             # Note: the \x16 (Control-V) is an escape to allow \xA2 to
 271             # get past readline.
 272             if {! [string compare $host_charset iso-8859-1] && ! [string compare $target_charset ascii]} {
 273
 274                 set testname "untranslatable character in character literal"
 275                 send_gdb "print '\x16\xA2'\n"
 276                 gdb_expect {
 277                     -re "There is no character corresponding to .* in the target character set .*\\.\[\r\n\]+$gdb_prompt $" {
 278                         pass $testname
 279                     }
 280                     -re " = 34 '\"'\[\r\n\]+$gdb_prompt $" {
 281                         xfail "$testname (DejaGNU's pseudo-tty strips eighth bit)"
 282                     }
 283                     -re "$gdb_prompt $" {
 284                         fail $testname
 285                     }
 286                     timeout {
 287                         fail "$testname (timeout)"
 288                     }
 289                 }
 290
 291                 set testname "untranslatable character in string literal"
 292                 # If the PTTY zeros bit seven, then this turns into
 293                 #   print """
 294                 # which gets us a syntax error.  We don't care.
 295                 send_gdb "print \"\x16\xA2\"\n"
 296                 gdb_expect {
 297                     -re "There is no character corresponding to .* in the target character set .*\\.\[\r\n\]+$gdb_prompt $" {
 298                         pass $testname
 299                     }
 300                     -re "Unterminated string in expression.\[\r\n\]+$gdb_prompt $" {
 301                         xfail "$testname (DejaGNU's pseudo-tty strips eighth bit)"
 302                     }
 303                     -re "$gdb_prompt $" {
 304                         fail $testname
 305                     }
 306                     timeout {
 307                         fail "$testname (timeout)"
 308                     }
 309                 }
 310
 311                 set testname "untranslatable characters in backslash escape"
 312                 send_gdb "print '\\\x16\xA2'\n"
 313                 gdb_expect {
 314                     -re "The escape sequence .* is equivalent to plain .*, which has no equivalent\[\r\n\]+in the .* character set\\.\[\r\n\]+$gdb_prompt $" {
 315                         pass $testname
 316                     }
 317                     -re " = 34 '\"'\[\r\n\]+$gdb_prompt $" {
 318                         xfail "$testname (DejaGNU's pseudo-tty strips eighth bit)"
 319                     }
 320                     -re "$gdb_prompt $" {
 321                         fail $testname
 322                     }
 323                     timeout {
 324                         fail "$testname (timeout)"
 325                     }
 326                 }
 327             }
 328         }
 329     }
 330 }
 331
 332
 333 # Set the host character set to plain ASCII, and try actually printing
 334 # some strings in various target character sets.  We need to run the
 335 # test program to the point at which the strings have been
 336 # initialized.
 337 gdb_test "break ${srcfile}:[gdb_get_line_number "all strings initialized"]" \
 338          ".*Breakpoint.* at .*" \
 339          "set breakpoint after all strings have been initialized"
 340 gdb_run_cmd
 341 gdb_expect {
 342     -re "Breakpoint.*all strings initialized.*$gdb_prompt $" {
 343         pass "run until all strings have been initialized"
 344     }
 345     -re "$gdb_prompt $" {
 346         fail "run until all strings have been initialized"
 347     }
 348     timeout {
 349         fail "run until all strings have been initialized (timeout)"
 350     }
 351 }
 352
 353
 354 # We only try the wide character tests on machines where the wchar_t
 355 # typedef in the test case has the right size.
 356 set wchar_size [get_sizeof wchar_t 99]
 357 set wchar_ok 0
 358 if {$wchar_size == 2} {
 359     lappend charset_subset UTF-16
 360     set wchar_ok 1
 361 } elseif {$wchar_size == 4} {
 362     lappend charset_subset UTF-32
 363     set wchar_ok 1
 364 }
 365
 366 gdb_test "set host-charset ASCII" ""
 367 foreach target_charset $charset_subset {
 368     if {![valid_target_charset $target_charset]} {
 369         continue
 370     }
 371
 372     if {$target_charset == "UTF-32" || $target_charset == "UTF-16"} {
 373         set param target-wide-charset
 374         set L L
 375     } else {
 376         set param target-charset
 377         set L ""
 378     }
 379     send_gdb "set $param $target_charset\n"
 380     gdb_expect {
 381         -re "$gdb_prompt $" {
 382             pass "set $param $target_charset"
 383         }
 384         timeout {
 385             fail "set $param $target_charset (timeout)"
 386         }
 387     }
 388
 389     # Try printing the null character.  There seems to be a bug in
 390     # gdb_test that requires us to use gdb_expect here.
 391     send_gdb "print $L'\\0'\n"
 392     gdb_expect {
 393         -re "\\\$${decimal} = 0 $L'\\\\000'\[\r\n\]+$gdb_prompt $" {
 394             pass "print the null character in ${target_charset}"
 395         }
 396         -re "$gdb_prompt $" {
 397             fail "print the null character in ${target_charset}"
 398         }
 399         timeout {
 400             fail "print the null character in ${target_charset} (timeout)"
 401         }
 402     }
 403
 404     # Compute the name of the variable in the test program that holds
 405     # a string in $target_charset.  The variable's name is the
 406     # character set's name, in lower-case, with all non-identifier
 407     # characters replaced with '_', with "_string" stuck on the end.
 408     if {$target_charset == "UTF-16"} {
 409         # We still use the utf_32_string variable -- but the size is
 410         # correct for UTF-16.
 411         set var_name utf_32_string
 412     } else {
 413         set var_name [string tolower "${target_charset}_string"]
 414         regsub -all -- "\[^a-z0-9_\]" $var_name "_" var_name
 415     }
 416
 417     # Compute a regexp matching the results we expect.  This is static,
 418     # but it's easier than writing it out.
 419     regsub -all "." "abfnrtv" "(\\\\&|x)" escapes
 420     set uppercase "ABCDEFGHIJKLMNOPQRSTUVWXYZ"
 421     set lowercase "abcdefghijklmnopqrstuvwxyz"
 422     set digits "0123456789"
 423     set octal_escape "\\\\\[0-9\]+"
 424
 425     send_gdb "print $var_name\n"
 426     # ${escapes}${uppercase}${lowercase}${digits}${octal}${octal}
 427     gdb_expect {
 428         -re ".* = $L\"(\\\\a|x)(\\\\b|x)(\\\\f|x)(\\\\n|x)(\\\\r|x)(\\\\t|x)(\\\\v|x)${uppercase}${lowercase}${digits}(${octal_escape}|x)+\"\[\r\n\]+$gdb_prompt $" {
 429             pass "print string in $target_charset"
 430         }
 431         -re "$gdb_prompt $" {
 432             fail "print string in $target_charset"
 433         }
 434         timeout {
 435             fail "print string in $target_charset (timeout)"
 436         }
 437     }
 438
 439     # Try entering a character literal, and see if it comes back unchanged.
 440     gdb_test "print $L'A'" \
 441              " = \[0-9-\]+ $L'A'" \
 442              "parse character literal in ${target_charset}"
 443
 444     # Check that the character literal was encoded correctly.
 445     gdb_test "print $L'A' == $var_name\[7\]" \
 446              " = 1" \
 447              "check value of parsed character literal in ${target_charset}"
 448
 449     # Try entering a string literal, and see if it comes back unchanged.
 450     gdb_test "print $L\"abcdefABCDEF012345\"" \
 451              " = $L\"abcdefABCDEF012345\"" \
 452              "parse string literal in ${target_charset}"
 453
 454     # Check that the string literal was encoded correctly.
 455     gdb_test "print $L\"q\"\[0\] == $var_name\[49\]" \
 456              " = 1" \
 457              "check value of parsed string literal in ${target_charset}"
 458
 459     # Test handling of characters in the target charset which
 460     # can't be translated into the host charset.
 461     if {! [string compare $target_charset iso-8859-1]} {
 462         gdb_test "print iso_8859_1_string\[69\]" \
 463                  " = \[0-9-\]+ '\\\\242'" \
 464                  "print character with no equivalent in host character set"
 465         gdb_test "print iso_8859_1_string + 70" \
 466                  " = ${hex} \"\\\\242.*\"" \
 467                  "print string with no equivalent in host character set"
 468     }
 469
 470     # Make sure that we don't apply the ISO-8859-1 `print_literally'
 471     # function to ASCII.
 472     if {! [string compare $target_charset ascii]} {
 473         gdb_test "print iso_8859_1_string\[69\]" \
 474                  " = \[0-9-\]+ '\\\\242'" \
 475                  "print ASCII unprintable character"
 476         gdb_test "print iso_8859_1_string + 70" \
 477                  " = ${hex} \"\\\\242.*\"" \
 478                  "print ASCII unprintable string"
 479     }
 480
 481     # Try printing characters with backslash escape equivalents.
 482     set escapees {a b f n r t v}
 483     for {set i 0} {$i < [llength $escapees]} {incr i} {
 484         set escape [lindex $escapees $i]
 485         send_gdb "print $var_name\[$i\]\n"
 486         set have_escape 1
 487         gdb_expect {
 488             -re "= \[0-9-\]+ $L'\\\\${escape}'\[\r\n\]+$gdb_prompt $" {
 489                 pass "try printing '\\${escape}' in ${target_charset}"
 490             }
 491             -re "= \[0-9-\]+ 'x'\[\r\n\]+$gdb_prompt $" {
 492                 xfail "try printing '\\${escape}' in ${target_charset} (no such escape)"
 493                 set have_escape 0
 494             }
 495             -re "$gdb_prompt $" {
 496                 fail "try printing '\\${escape}' in ${target_charset}"
 497             }
 498             timeout {
 499                 fail "try printing '\\${escape}' in ${target_charset} (timeout)"
 500             }
 501         }
 502
 503         if {$have_escape} {
 504
 505             # Try parsing a backslash escape in a character literal.
 506             gdb_test "print $L'\\${escape}' == $var_name\[$i\]" \
 507                      " = 1" \
 508                      "check value of '\\${escape}' in ${target_charset}"
 509
 510             # Try parsing a backslash escape in a string literal.
 511             gdb_test "print $L\"\\${escape}\"\[0\] == $var_name\[$i\]" \
 512                      " = 1" \
 513                      "check value of \"\\${escape}\" in ${target_charset}"
 514         }
 515     }
 516
 517     # Try printing a character escape that doesn't exist.  We should
 518     # get the unescaped character, in the target character set.
 519     gdb_test "print $L'\\q'" " = \[0-9-\]+ $L'q'" \
 520              "print escape that doesn't exist in $target_charset"
 521     gdb_test "print $L'\\q' == $var_name\[49\]" " = 1" \
 522              "check value of escape that doesn't exist in $target_charset"
 523 }
 524
 525 # Reset the target charset.
 526 gdb_test "set target-charset UTF-8" ""
 527
 528 # \242 is not a valid UTF-8 character.
 529 gdb_test "print \"\\242\"" " = \"\\\\242\"" \
 530   "non-representable target character"
 531
 532 gdb_test "print '\\x'" "\\\\x escape without a following hex digit."
 533 gdb_test "print '\\u'" "\\\\u escape without a following hex digit."
 534 gdb_test "print '\\9'" " = \[0-9\]+ '9'"
 535
 536 # An octal escape can only be 3 digits.
 537 gdb_test "print \"\\1011\"" " = \"A1\""
 538
 539 # Tests for wide- or unicode- strings.  L is the prefix letter to use,
 540 # either "L" (for wide strings), "u" (for UTF-16), or "U" (for UTF-32).
 541 # NAME is used in the test names and should be related to the prefix
 542 # letter in some easy-to-undestand way.
 543 proc test_wide_or_unicode {L name} {
 544     gdb_test "print $L\"ab\" $L\"c\"" " = $L\"abc\"" \
 545       "basic $name string concatenation"
 546     gdb_test "print $L\"ab\" \"c\"" " = $L\"abc\"" \
 547       "narrow and $name string concatenation"
 548     gdb_test "print \"ab\" $L\"c\"" " = $L\"abc\"" \
 549       "$name and narrow string concatenation"
 550     gdb_test "print $L\"\\xe\" $L\"c\"" " = $L\"\\\\016c\"" \
 551       "$name string concatenation with escape"
 552     gdb_test "print $L\"\" \"abcdef\" \"g\"" \
 553       "$L\"abcdefg\"" \
 554       "concatenate three strings with empty $name string"
 555
 556     gdb_test "print $L'a'" "= \[0-9\]+ $L'a'" \
 557       "basic $name character"
 558 }
 559
 560 if {$wchar_ok} {
 561     test_wide_or_unicode L wide
 562 }
 563
 564 set ucs2_ok [expr {[get_sizeof char16_t 99] == 2}]
 565 if {$ucs2_ok} {
 566     test_wide_or_unicode u UTF-16
 567 }
 568
 569 set ucs4_ok [expr {[get_sizeof char32_t 99] == 4}]
 570 if {$ucs4_ok} {
 571     test_wide_or_unicode U UTF-32
 572 }
 573
 574 # Test an invalid string combination.
 575 proc test_combination {L1 name1 L2 name2} {
 576     gdb_test "print $L1\"abc\" $L2\"def\"" \
 577       "Undefined string concatenation." \
 578       "undefined concatenation of $name1 and $name2"
 579 }
 580
 581 if {$wchar_ok && $ucs2_ok} {
 582     test_combination L wide u UTF-16
 583 }
 584 if {$wchar_ok && $ucs4_ok} {
 585     test_combination L wide U UTF-32
 586   # Regression test for a typedef to a typedef.
 587   gdb_test "print myvar" "= \[0-9\]+ L'A'" \
 588       "typedef to wchar_t"
 589 }
 590 if {$ucs2_ok && $ucs4_ok} {
 591     test_combination u UTF-16 U UTF-32
 592 }
 593
 594 if {$ucs2_ok} {
 595     set go 1
 596     gdb_test_multiple "python print 'hello, world!'" \
 597         "verify python support for charset tests" {
 598             -re "not supported.*$gdb_prompt $"  {
 599                 unsupported "python support is disabled"
 600                 set go 0
 601             }
 602             -re "$gdb_prompt $" {}
 603         }
 604
 605     if {$go} {
 606         gdb_test "print u\"abcdef\"" " = u\"abcdef\"" \
 607             "set up for python printing of utf-16 string"
 608
 609         gdb_test "python print gdb.history(0).string()" "abcdef" \
 610             "extract utf-16 string using python"
 611     }
 612 }
 613
 614 # Regression test for a cleanup bug in the charset code.
 615 gdb_test "print 'a' == 'a' || 'b' == 'b'" \
 616   ".* = 1" \
 617   "EVAL_SKIP cleanup handling regression test"
 618
 619 gdb_exit