gdb/testsuite/gdb.cp/cplusfuncs.exp

   1 # Copyright 1992, 1997, 1999, 2001, 2002, 2003, 2004, 2007
   2 # Free Software Foundation, Inc.
   3
   4 # This program is free software; you can redistribute it and/or modify
   5 # it under the terms of the GNU General Public License as published by
   6 # the Free Software Foundation; either version 2 of the License, or
   7 # (at your option) any later version.
   8 #
   9 # This program is distributed in the hope that it will be useful,
  10 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  11 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12 # GNU General Public License for more details.
  13 #
  14 # You should have received a copy of the GNU General Public License
  15 # along with this program; if not, write to the Free Software
  16 # Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  17
  18 # This file was written by Fred Fish. (fnf@cygnus.com)
  19 # Adapted for g++ 3.0 ABI by Michael Chastain. (chastain@redhat.com)
  20
  21 if $tracelevel then {
  22         strace $tracelevel
  23 }
  24
  25 if { [skip_cplus_tests] } { continue }
  26
  27 set testfile "cplusfuncs"
  28 set srcfile ${testfile}.cc
  29 set binfile ${objdir}/${subdir}/${testfile}
  30
  31 if { [get_compiler_info $binfile "c++"] } {
  32     return -1
  33 }
  34
  35 if  { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug c++}] != "" } {
  36      untested cplusfuncs.exp
  37      return -1
  38 }
  39
  40 #
  41 # g++ changed its ABI between 2.95 and 3.0.  gdb has two demanglers
  42 # for the two different styles.  The two demanglers have some subtle
  43 # discrepancies in their output.
  44 #
  45 #   old demangler         new demangler
  46 #   --- ---------         --- ---------
  47 #   "operator, "          "operator,"
  48 #   "char *"              "char*"
  49 #   "int *"               "int*"
  50 #   "long *"              "long*"
  51 #   "void *"              "void*"
  52 #   "foo &"               "foo&"
  53 #   "unsigned int"        "unsigned"
  54 #   "void"                ""
  55 #
  56 # I probe for the forms in use.
  57 # The defaults are for the v3 demangler (as of 2001-02-13).
  58 #
  59
  60 set dm_operator_comma           ","
  61 set dm_type_char_star           "char*"
  62 set dm_type_char_star_quoted    "char\\*"
  63 set dm_type_foo_ref             "foo&"
  64 set dm_type_int_star            "int*"
  65 set dm_type_long_star           "long*"
  66 set dm_type_unsigned_int        "unsigned"
  67 set dm_type_void                ""
  68 set dm_type_void_star           "void*"
  69
  70 proc probe_demangler { } {
  71     global gdb_prompt
  72     global dm_operator_comma
  73     global dm_type_char_star
  74     global dm_type_char_star_quoted
  75     global dm_type_foo_ref
  76     global dm_type_int_star
  77     global dm_type_long_star
  78     global dm_type_unsigned_int
  79     global dm_type_void
  80     global dm_type_void_star
  81
  82     send_gdb "print &'foo::operator,(foo&)'\n"
  83     gdb_expect {
  84         -re ".*foo::operator, \\(.*foo.*&.*\\).*\r\n$gdb_prompt $" {
  85             # v2 demangler
  86             set dm_operator_comma ", "
  87             pass "detect dm_operator_comma"
  88         }
  89         -re ".*foo::operator,\\(.*foo.*&.*\\).*\r\n$gdb_prompt $" {
  90             # v3 demangler
  91             pass "detect dm_operator_comma"
  92         }
  93         -re ".*$gdb_prompt $" {
  94             fail "detect dm_operator_comma"
  95         }
  96         timeout {
  97             fail "detect dm_operator_comma"
  98         }
  99     }
 100
 101     send_gdb "print &'dm_type_char_star'\n"
 102     gdb_expect {
 103         -re ".*dm_type_char_star\\(char \\*\\).*\r\n$gdb_prompt $" {
 104             # v2 demangler
 105             set dm_type_char_star "char *"
 106             set dm_type_char_star_quoted "char \\*"
 107             pass "detect dm_type_char_star"
 108         }
 109         -re ".*dm_type_char_star\\(char\\*\\).*\r\n$gdb_prompt $" {
 110             # v3 demangler
 111             pass "detect dm_type_char_star"
 112         }
 113         -re ".*$gdb_prompt $" {
 114             fail "detect dm_type_char_star"
 115         }
 116         timeout {
 117             fail "detect dm_type_char_star (timeout)"
 118         }
 119     }
 120
 121     send_gdb "print &'dm_type_foo_ref'\n"
 122     gdb_expect {
 123         -re ".*dm_type_foo_ref\\(foo &\\).*\r\n$gdb_prompt $" {
 124             # v2 demangler
 125             set dm_type_foo_ref "foo &"
 126             pass "detect dm_type_foo_ref"
 127         }
 128         -re ".*dm_type_foo_ref\\(foo&\\).*\r\n$gdb_prompt $" {
 129             # v3 demangler
 130             pass "detect dm_type_foo_ref"
 131         }
 132         -re ".*$gdb_prompt $" {
 133             fail "detect dm_type_foo_ref"
 134         }
 135         timeout {
 136             fail "detect dm_type_foo_ref (timeout)"
 137         }
 138     }
 139
 140     send_gdb "print &'dm_type_int_star'\n"
 141     gdb_expect {
 142         -re ".*dm_type_int_star\\(int \\*\\).*\r\n$gdb_prompt $" {
 143             # v2 demangler
 144             set dm_type_int_star "int *"
 145             pass "detect dm_type_int_star"
 146         }
 147         -re ".*dm_type_int_star\\(int\\*\\).*\r\n$gdb_prompt $" {
 148             # v3 demangler
 149             pass "detect dm_type_int_star"
 150         }
 151         -re ".*$gdb_prompt $" {
 152             fail "detect dm_type_int_star"
 153         }
 154         timeout {
 155             fail "detect dm_type_int_star (timeout)"
 156         }
 157     }
 158
 159     send_gdb "print &'dm_type_long_star'\n"
 160     gdb_expect {
 161         -re ".*dm_type_long_star\\(long \\*\\).*\r\n$gdb_prompt $" {
 162             # v2 demangler
 163             set dm_type_long_star "long *"
 164             pass "detect dm_type_long_star"
 165         }
 166         -re ".*dm_type_long_star\\(long\\*\\).*\r\n$gdb_prompt $" {
 167             # v3 demangler
 168             pass "detect dm_type_long_star"
 169         }
 170         -re ".*$gdb_prompt $" {
 171             fail "detect dm_type_long_star"
 172         }
 173         timeout {
 174             fail "detect dm_type_long_star (timeout)"
 175         }
 176     }
 177
 178     send_gdb "print &'dm_type_unsigned_int'\n"
 179     gdb_expect {
 180         -re ".*dm_type_unsigned_int\\(unsigned int\\).*\r\n$gdb_prompt $" {
 181             # v2 demangler
 182             set dm_type_unsigned_int "unsigned int"
 183             pass "detect dm_type_unsigned_int"
 184         }
 185         -re ".*dm_type_unsigned_int\\(unsigned\\).*\r\n$gdb_prompt $" {
 186             # v3 demangler
 187             pass "detect dm_type_unsigned_int"
 188         }
 189         -re ".*$gdb_prompt $" {
 190             fail "detect dm_type_unsigned_int"
 191         }
 192         timeout {
 193             fail "detect dm_unsigned int (timeout)"
 194         }
 195     }
 196
 197     send_gdb "print &'dm_type_void'\n"
 198     gdb_expect {
 199         -re ".*dm_type_void\\(void\\).*\r\n$gdb_prompt $" {
 200             # v2 demangler
 201             set dm_type_void "void"
 202             pass "detect dm_type_void"
 203         }
 204         -re ".*dm_type_void\\(\\).*\r\n$gdb_prompt $" {
 205             # v3 demangler
 206             pass "detect dm_type_void"
 207         }
 208         -re ".*$gdb_prompt $" {
 209             fail "detect dm_type_void"
 210         }
 211         timeout {
 212             fail "detect dm_type_void (timeout)"
 213         }
 214     }
 215
 216     send_gdb "print &'dm_type_void_star'\n"
 217     gdb_expect {
 218         -re ".*dm_type_void_star\\(void \\*\\).*\r\n$gdb_prompt $" {
 219             # v2 demangler
 220             set dm_type_void_star "void *"
 221             pass "detect dm_type_void_star"
 222         }
 223         -re ".*dm_type_void_star\\(void\\*\\).*\r\n$gdb_prompt $" {
 224             # v3 demangler
 225             pass "detect dm_type_void_star"
 226         }
 227         -re ".*$gdb_prompt $" {
 228             fail "detect dm_type_void_star"
 229         }
 230         timeout {
 231             fail "detect dm_type_void_star (timeout)"
 232         }
 233     }
 234 }
 235
 236 #
 237 #  Lookup a specific C++ function and print the demangled type.
 238 #  This form accepts the demangled type as a regexp.
 239 #
 240
 241 proc info_func_regexp { name demangled } {
 242     global gdb_prompt
 243
 244     send_gdb "info function $name\n"
 245     gdb_expect {
 246         -re ".*File .*:\r\n(class |)$demangled\r\n.*$gdb_prompt $" {
 247             pass "info function for \"$name\""
 248         }
 249         -re ".*$gdb_prompt $" {
 250             fail "info function for \"$name\""
 251         }
 252         timeout {
 253             fail "info function for \"$name\" (timeout)"
 254         }
 255     }
 256 }
 257
 258 #
 259 #  Lookup a specific C++ function and print the demangled type.
 260 #  This form accepts the demangled type as a literal string.
 261 #
 262
 263 proc info_func { name demangled } {
 264     info_func_regexp "$name" [string_to_regexp "$demangled"]
 265 }
 266
 267 #
 268 # Print the address of a function.
 269 # This checks that I can lookup a fully qualified C++ function.
 270 # This also checks the argument types on the return string.
 271
 272 # Note: carlton/2003-01-16: If you modify this, make a corresponding
 273 # modification to print_addr_2_kfail.
 274
 275 proc print_addr_2 { name good } {
 276     global gdb_prompt
 277     global hex
 278
 279     set good_pattern [string_to_regexp $good]
 280
 281     send_gdb "print &'$name'\n"
 282     gdb_expect {
 283         -re ".* = .* $hex <$good_pattern>\r\n$gdb_prompt $" {
 284             pass "print &'$name'"
 285         }
 286         -re ".*$gdb_prompt $" {
 287             fail "print &'$name'"
 288         }
 289         timeout {
 290             fail "print &'$name' (timeout)"
 291         }
 292     }
 293 }
 294
 295 # NOTE: carlton/2003-01-16: hairyfunc5-6 fail on GCC 3.x (for at least
 296 # x=1 and x=2.1).  So I'm modifying print_addr_2 to accept a failure
 297 # condition.  FIXME: It would be nice if the failure condition were
 298 # conditional on the compiler version, but I'm not sufficiently
 299 # motivated.  I did hardwire in the versions of char * and int *,
 300 # which will give some compiler-specificity to the failure.
 301
 302 proc print_addr_2_kfail { name good bad bugid } {
 303     global gdb_prompt
 304     global hex
 305
 306     set good_pattern [string_to_regexp $good]
 307     set bad_pattern [string_to_regexp $bad]
 308
 309     send_gdb "print &'$name'\n"
 310     gdb_expect {
 311         -re ".* = .* $hex <$good_pattern>\r\n$gdb_prompt $" {
 312             pass "print &'$name'"
 313         }
 314         -re ".* = .* $hex <$bad_pattern>\r\n$gdb_prompt $" {
 315             kfail $bugid "print &'$name'"
 316         }
 317         -re ".*$gdb_prompt $" {
 318             fail "print &'$name'"
 319         }
 320         timeout {
 321             fail "print &'$name' (timeout)"
 322         }
 323     }
 324 }
 325
 326 #
 327 #  Simple interfaces to print_addr_2.
 328 #
 329
 330 proc print_addr { name } {
 331     print_addr_2 "$name" "$name"
 332 }
 333
 334 #
 335 # Test name demangling for operators.
 336 #
 337 # The '(' at the end of each regex input pattern is so that we match only
 338 # the one we are looking for.  I.E. "operator&" would match both
 339 # "operator&(foo &)" and "operator&&(foo &)".
 340 #
 341 # gdb-gnats bug gdb/18:
 342 #  "gdb can't parse "info func operator*" or "info func operator\*".
 343 #  The star in "operator*" is interpreted as a regexp, but the "\*"
 344 #  in  "operator\*" is not a legal operator.
 345 #
 346
 347 proc test_lookup_operator_functions {} {
 348     global dm_operator_comma
 349     global dm_type_char_star
 350     global dm_type_char_star_quoted
 351     global dm_type_foo_ref
 352     global dm_type_void
 353     global dm_type_void_star
 354
 355     # operator* requires quoting so that GDB does not treat it as a regexp.
 356     info_func "operator\\*("    "void foo::operator*($dm_type_foo_ref);"
 357     info_func "operator%("      "void foo::operator%($dm_type_foo_ref);"
 358     info_func "operator-("      "void foo::operator-($dm_type_foo_ref);"
 359     info_func "operator>>("     "void foo::operator>>($dm_type_foo_ref);"
 360     info_func "operator!=("     "void foo::operator!=($dm_type_foo_ref);"
 361     info_func "operator>("      "void foo::operator>($dm_type_foo_ref);"
 362     info_func "operator>=("     "void foo::operator>=($dm_type_foo_ref);"
 363     info_func "operator|("      "void foo::operator|($dm_type_foo_ref);"
 364     info_func "operator&&("     "void foo::operator&&($dm_type_foo_ref);"
 365     info_func "operator!("      "void foo::operator!($dm_type_void);"
 366     info_func "operator++("     "void foo::operator++(int);"
 367     info_func "operator=("      "void foo::operator=($dm_type_foo_ref);"
 368     info_func "operator+=("     "void foo::operator+=($dm_type_foo_ref);"
 369     # operator*= requires quoting so that GDB does not treat it as a regexp.
 370     info_func "operator\\*=("   "void foo::operator*=($dm_type_foo_ref);"
 371     info_func "operator%=("     "void foo::operator%=($dm_type_foo_ref);"
 372     info_func "operator>>=("    "void foo::operator>>=($dm_type_foo_ref);"
 373     info_func "operator|=("     "void foo::operator|=($dm_type_foo_ref);"
 374     info_func "operator$dm_operator_comma\("    \
 375                                 "void foo::operator$dm_operator_comma\($dm_type_foo_ref);"
 376     info_func "operator/("      "void foo::operator/($dm_type_foo_ref);"
 377     info_func "operator+("      "void foo::operator+($dm_type_foo_ref);"
 378     info_func "operator<<("     "void foo::operator<<($dm_type_foo_ref);"
 379     info_func "operator==("     "void foo::operator==($dm_type_foo_ref);"
 380     info_func "operator<("      "void foo::operator<($dm_type_foo_ref);"
 381     info_func "operator<=("     "void foo::operator<=($dm_type_foo_ref);"
 382     info_func "operator&("      "void foo::operator&($dm_type_foo_ref);"
 383     info_func "operator^("      "void foo::operator^($dm_type_foo_ref);"
 384     info_func "operator||("     "void foo::operator||($dm_type_foo_ref);"
 385     info_func "operator~("      "void foo::operator~($dm_type_void);"
 386     info_func "operator--("     "void foo::operator--(int);"
 387     info_func "operator->("     "foo *foo::operator->($dm_type_void);"
 388     info_func "operator-=("     "void foo::operator-=($dm_type_foo_ref);"
 389     info_func "operator/=("     "void foo::operator/=($dm_type_foo_ref);"
 390     info_func "operator<<=("    "void foo::operator<<=($dm_type_foo_ref);"
 391     info_func "operator&=("     "void foo::operator&=($dm_type_foo_ref);"
 392     info_func "operator^=("     "void foo::operator^=($dm_type_foo_ref);"
 393     # operator->* requires quoting so that GDB does not treat it as a regexp.
 394     info_func "operator->\\*("  "void foo::operator->*($dm_type_foo_ref);"
 395
 396     # operator[] needs double backslashes, so that a single backslash
 397     # will be sent to GDB, preventing the square brackets from being
 398     # evaluated as a regular expression.
 399     info_func "operator\\\[\\\](" "void foo::operator\[\]($dm_type_foo_ref);"
 400
 401     # These are gnarly because they might end with 'static'.
 402     set dm_type_void_star_regexp [string_to_regexp $dm_type_void_star]
 403     info_func_regexp "operator new("     "void \\*foo::operator new\\(.*\\)(| static);"
 404     info_func_regexp "operator delete("  "void foo::operator delete\\($dm_type_void_star_regexp\\)(| static);"
 405
 406     info_func "operator int("   "int foo::operator int($dm_type_void);"
 407     info_func "operator()("     "void foo::operator()($dm_type_foo_ref);"
 408     info_func "operator $dm_type_char_star_quoted\(" \
 409                                 "char *foo::operator $dm_type_char_star\($dm_type_void);"
 410
 411 }
 412
 413
 414 proc test_paddr_operator_functions {} {
 415     global hex
 416     global hp_aCC_compiler
 417     global dm_operator_comma
 418     global dm_type_char_star
 419     global dm_type_foo_ref
 420     global dm_type_long_star
 421     global dm_type_unsigned_int
 422     global dm_type_void
 423     global dm_type_void_star
 424
 425     print_addr "foo::operator*($dm_type_foo_ref)"
 426     print_addr "foo::operator%($dm_type_foo_ref)"
 427     print_addr "foo::operator-($dm_type_foo_ref)"
 428     print_addr "foo::operator>>($dm_type_foo_ref)"
 429     print_addr "foo::operator!=($dm_type_foo_ref)"
 430     print_addr "foo::operator>($dm_type_foo_ref)"
 431     print_addr "foo::operator>=($dm_type_foo_ref)"
 432     print_addr "foo::operator|($dm_type_foo_ref)"
 433     print_addr "foo::operator&&($dm_type_foo_ref)"
 434     print_addr "foo::operator!($dm_type_void)"
 435     print_addr "foo::operator++(int)"
 436     print_addr "foo::operator=($dm_type_foo_ref)"
 437     print_addr "foo::operator+=($dm_type_foo_ref)"
 438     print_addr "foo::operator*=($dm_type_foo_ref)"
 439     print_addr "foo::operator%=($dm_type_foo_ref)"
 440     print_addr "foo::operator>>=($dm_type_foo_ref)"
 441     print_addr "foo::operator|=($dm_type_foo_ref)"
 442     print_addr "foo::operator$dm_operator_comma\($dm_type_foo_ref)"
 443     print_addr "foo::operator/($dm_type_foo_ref)"
 444     print_addr "foo::operator+($dm_type_foo_ref)"
 445     print_addr "foo::operator<<($dm_type_foo_ref)"
 446     print_addr "foo::operator==($dm_type_foo_ref)"
 447     print_addr "foo::operator<($dm_type_foo_ref)"
 448     print_addr "foo::operator<=($dm_type_foo_ref)"
 449     print_addr "foo::operator&($dm_type_foo_ref)"
 450     print_addr "foo::operator^($dm_type_foo_ref)"
 451     print_addr "foo::operator||($dm_type_foo_ref)"
 452     print_addr "foo::operator~($dm_type_void)"
 453     print_addr "foo::operator--(int)"
 454     print_addr "foo::operator->($dm_type_void)"
 455     print_addr "foo::operator-=($dm_type_foo_ref)"
 456     print_addr "foo::operator/=($dm_type_foo_ref)"
 457     print_addr "foo::operator<<=($dm_type_foo_ref)"
 458     print_addr "foo::operator&=($dm_type_foo_ref)"
 459     print_addr "foo::operator^=($dm_type_foo_ref)"
 460     print_addr "foo::operator->*($dm_type_foo_ref)"
 461     print_addr "foo::operator\[\]($dm_type_foo_ref)"
 462     print_addr "foo::operator()($dm_type_foo_ref)"
 463
 464     gdb_test "print &'foo::operator new'" \
 465         " = .* $hex <foo::operator new\\(.*\\)(| static)>"
 466     if { !$hp_aCC_compiler } {
 467         print_addr "foo::operator delete($dm_type_void_star)"
 468     } else {
 469         gdb_test "print &'foo::operator delete($dm_type_void_star) static'" \
 470             " = .*(0x\[0-9a-f\]+|) <foo::operator delete.*>"
 471     }
 472
 473     print_addr "foo::operator int($dm_type_void)"
 474     print_addr "foo::operator $dm_type_char_star\($dm_type_void)"
 475 }
 476
 477 #
 478 # Test overloaded functions (1 arg).
 479 #
 480
 481 proc test_paddr_overloaded_functions {} {
 482     global dm_type_unsigned_int
 483     global dm_type_void
 484
 485     print_addr "overload1arg($dm_type_void)"
 486     print_addr "overload1arg(char)"
 487     print_addr "overload1arg(signed char)"
 488     print_addr "overload1arg(unsigned char)"
 489     print_addr "overload1arg(short)"
 490     print_addr "overload1arg(unsigned short)"
 491     print_addr "overload1arg(int)"
 492     print_addr "overload1arg($dm_type_unsigned_int)"
 493     print_addr "overload1arg(long)"
 494     print_addr "overload1arg(unsigned long)"
 495     print_addr "overload1arg(float)"
 496     print_addr "overload1arg(double)"
 497
 498     print_addr "overloadargs(int)"
 499     print_addr "overloadargs(int, int)"
 500     print_addr "overloadargs(int, int, int)"
 501     print_addr "overloadargs(int, int, int, int)"
 502     print_addr "overloadargs(int, int, int, int, int)"
 503     print_addr "overloadargs(int, int, int, int, int, int)"
 504     print_addr "overloadargs(int, int, int, int, int, int, int)"
 505     print_addr "overloadargs(int, int, int, int, int, int, int, int)"
 506     print_addr "overloadargs(int, int, int, int, int, int, int, int, int)"
 507     print_addr "overloadargs(int, int, int, int, int, int, int, int, int, int)"
 508     print_addr "overloadargs(int, int, int, int, int, int, int, int, int, int, int)"
 509 }
 510
 511 proc test_paddr_hairy_functions {} {
 512     global gdb_prompt
 513     global hex
 514     global dm_type_char_star
 515     global dm_type_int_star
 516     global dm_type_long_star
 517
 518     print_addr_2 "hairyfunc1" "hairyfunc1(int)"
 519     print_addr_2 "hairyfunc2" "hairyfunc2(int (*)($dm_type_char_star))"
 520     print_addr_2 "hairyfunc3" "hairyfunc3(int (*)(short (*)($dm_type_long_star)))"
 521     print_addr_2 "hairyfunc4" "hairyfunc4(int (*)(short (*)($dm_type_char_star)))"
 522
 523     # gdb-gnats bug gdb/19:
 524     # "gdb v3 demangler fails on hairyfunc5 hairyfunc6 hairyfunc7"
 525     print_addr_2_kfail "hairyfunc5" "hairyfunc5(int (*(*)($dm_type_char_star))(long))" "hairyfunc5(int (*)(long) (*)(char*))" "gdb/19"
 526     print_addr_2_kfail "hairyfunc6" "hairyfunc6(int (*(*)($dm_type_int_star))(long))" "hairyfunc6(int (*)(long) (*)(int*))" "gdb/19"
 527     print_addr_2_kfail "hairyfunc7" "hairyfunc7(int (*(*)(int (*)($dm_type_char_star)))(long))" "hairyfunc7(int (*)(long) (*)(int (*)(char*)))" "gdb/19"
 528 }
 529
 530 proc do_tests {} {
 531     global prms_id
 532     global bug_id
 533     global subdir
 534     global objdir
 535     global srcdir
 536     global binfile
 537     global gdb_prompt
 538
 539     set prms_id 0
 540     set bug_id 0
 541
 542     # Start with a fresh gdb.
 543
 544     gdb_exit
 545     gdb_start
 546     gdb_reinitialize_dir $srcdir/$subdir
 547     gdb_load $binfile
 548
 549     send_gdb "set language c++\n"
 550     gdb_expect -re "$gdb_prompt $"
 551     send_gdb "set width 0\n"
 552     gdb_expect -re "$gdb_prompt $"
 553
 554     runto_main
 555
 556     probe_demangler
 557     test_paddr_overloaded_functions
 558     test_paddr_operator_functions
 559     test_paddr_hairy_functions
 560     test_lookup_operator_functions
 561 }
 562
 563 do_tests