gdb/testsuite/gdb.c++/cplusfuncs.exp

   1 # Copyright (C) 1992, 1997, 1999, 2001 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 Fred Fish. (fnf@cygnus.com)
  21 # Adapted for g++ 3.0 ABI by Michael Chastain. (chastain@redhat.com)
  22
  23 if $tracelevel then {
  24         strace $tracelevel
  25 }
  26
  27 if { [skip_cplus_tests] } { continue }
  28
  29 set testfile "cplusfuncs"
  30 set srcfile ${testfile}.cc
  31 set binfile ${objdir}/${subdir}/${testfile}
  32
  33 if { [get_compiler_info $binfile "c++"] } {
  34     return -1
  35 }
  36
  37 if  { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug c++}] != "" } {
  38      gdb_suppress_entire_file "Testcase compile failed, so all tests in this file will automatically fail."
  39 }
  40
  41 #
  42 # g++ changed its ABI between 2.95 and 3.0.  gdb has two demanglers
  43 # for the two different styles.  The two demanglers have some subtle
  44 # discrepancies in their output.
  45 #
  46 #   old demangler         new demangler
  47 #   --- ---------         --- ---------
  48 #   "operator, "          "operator,"
  49 #   "char *"              "char*"
  50 #   "int *"               "int*"
  51 #   "long *"              "long*"
  52 #   "void *"              "void*"
  53 #   "foo &"               "foo&"
  54 #   "unsigned int"        "unsigned"
  55 #   "void"                ""
  56 #
  57 # I probe for the forms in use.
  58 # The defaults are for the v3 demangler (as of 2001-02-13).
  59 #
  60
  61 set dm_operator_comma           ","
  62 set dm_type_char_star           "char*"
  63 set dm_type_foo_ref             "foo&"
  64 set dm_type_int_star            "int*"
  65 set dm_type_long_star           "long*"
  66 set dm_type_unsigned_int        "unsigned"
  67 set dm_type_void                ""
  68 set dm_type_void_star           "void*"
  69
  70 proc probe_demangler { } {
  71     global gdb_prompt
  72     global dm_operator_comma
  73     global dm_type_char_star
  74     global dm_type_foo_ref
  75     global dm_type_int_star
  76     global dm_type_long_star
  77     global dm_type_unsigned_int
  78     global dm_type_void
  79     global dm_type_void_star
  80
  81     send_gdb "print &'foo::operator,(foo&)'\n"
  82     gdb_expect {
  83         -re ".*foo::operator, \\(.*foo.*&.*\\).*\r\n$gdb_prompt $" {
  84             # v2 demangler
  85             set dm_operator_comma ", "
  86             pass "detect dm_operator_comma"
  87         }
  88         -re ".*foo::operator,\\(.*foo.*&.*\\).*\r\n$gdb_prompt $" {
  89             # v3 demangler
  90             pass "detect dm_operator_comma"
  91         }
  92         -re ".*$gdb_prompt $" {
  93             fail "detect dm_operator_comma"
  94         }
  95         timeout {
  96             fail "detect dm_operator_comma"
  97         }
  98     }
  99
 100     send_gdb "print &'dm_type_char_star'\n"
 101     gdb_expect {
 102         -re ".*dm_type_char_star\\(char \\*\\).*\r\n$gdb_prompt $" {
 103             # v2 demangler
 104             set dm_type_char_star "char *"
 105             pass "detect dm_type_char_star"
 106         }
 107         -re ".*dm_type_char_star\\(char\\*\\).*\r\n$gdb_prompt $" {
 108             # v3 demangler
 109             pass "detect dm_type_char_star"
 110         }
 111         -re ".*$gdb_prompt $" {
 112             fail "detect dm_type_char_star"
 113         }
 114         timeout {
 115             fail "detect dm_type_char_star (timeout)"
 116         }
 117     }
 118
 119     send_gdb "print &'dm_type_foo_ref'\n"
 120     gdb_expect {
 121         -re ".*dm_type_foo_ref\\(foo &\\).*\r\n$gdb_prompt $" {
 122             # v2 demangler
 123             set dm_type_foo_ref "foo &"
 124             pass "detect dm_type_foo_ref"
 125         }
 126         -re ".*dm_type_foo_ref\\(foo&\\).*\r\n$gdb_prompt $" {
 127             # v3 demangler
 128             pass "detect dm_type_foo_ref"
 129         }
 130         -re ".*$gdb_prompt $" {
 131             fail "detect dm_type_foo_ref"
 132         }
 133         timeout {
 134             fail "detect dm_type_foo_ref (timeout)"
 135         }
 136     }
 137
 138     send_gdb "print &'dm_type_int_star'\n"
 139     gdb_expect {
 140         -re ".*dm_type_int_star\\(int \\*\\).*\r\n$gdb_prompt $" {
 141             # v2 demangler
 142             set dm_type_int_star "int *"
 143             pass "detect dm_type_int_star"
 144         }
 145         -re ".*dm_type_int_star\\(int\\*\\).*\r\n$gdb_prompt $" {
 146             # v3 demangler
 147             pass "detect dm_type_int_star"
 148         }
 149         -re ".*$gdb_prompt $" {
 150             fail "detect dm_type_int_star"
 151         }
 152         timeout {
 153             fail "detect dm_type_int_star (timeout)"
 154         }
 155     }
 156
 157     send_gdb "print &'dm_type_long_star'\n"
 158     gdb_expect {
 159         -re ".*dm_type_long_star\\(long \\*\\).*\r\n$gdb_prompt $" {
 160             # v2 demangler
 161             set dm_type_long_star "long *"
 162             pass "detect dm_type_long_star"
 163         }
 164         -re ".*dm_type_long_star\\(long\\*\\).*\r\n$gdb_prompt $" {
 165             # v3 demangler
 166             pass "detect dm_type_long_star"
 167         }
 168         -re ".*$gdb_prompt $" {
 169             fail "detect dm_type_long_star"
 170         }
 171         timeout {
 172             fail "detect dm_type_long_star (timeout)"
 173         }
 174     }
 175
 176     send_gdb "print &'dm_type_unsigned_int'\n"
 177     gdb_expect {
 178         -re ".*dm_type_unsigned_int\\(unsigned int\\).*\r\n$gdb_prompt $" {
 179             # v2 demangler
 180             set dm_type_unsigned_int "unsigned int"
 181             pass "detect dm_type_unsigned_int"
 182         }
 183         -re ".*dm_type_unsigned_int\\(unsigned\\).*\r\n$gdb_prompt $" {
 184             # v3 demangler
 185             pass "detect dm_type_unsigned_int"
 186         }
 187         -re ".*$gdb_prompt $" {
 188             fail "detect dm_type_unsigned_int"
 189         }
 190         timeout {
 191             fail "detect dm_unsigned int (timeout)"
 192         }
 193     }
 194
 195     send_gdb "print &'dm_type_void'\n"
 196     gdb_expect {
 197         -re ".*dm_type_void\\(void\\).*\r\n$gdb_prompt $" {
 198             # v2 demangler
 199             set dm_type_void "void"
 200             pass "detect dm_type_void"
 201         }
 202         -re ".*dm_type_void\\(\\).*\r\n$gdb_prompt $" {
 203             # v3 demangler
 204             pass "detect dm_type_void"
 205         }
 206         -re ".*$gdb_prompt $" {
 207             fail "detect dm_type_void"
 208         }
 209         timeout {
 210             fail "detect dm_type_void (timeout)"
 211         }
 212     }
 213
 214     send_gdb "print &'dm_type_void_star'\n"
 215     gdb_expect {
 216         -re ".*dm_type_void_star\\(void \\*\\).*\r\n$gdb_prompt $" {
 217             # v2 demangler
 218             set dm_type_void_star "void *"
 219             pass "detect dm_type_void_star"
 220         }
 221         -re ".*dm_type_void_star\\(void\\*\\).*\r\n$gdb_prompt $" {
 222             # v3 demangler
 223             pass "detect dm_type_void_star"
 224         }
 225         -re ".*$gdb_prompt $" {
 226             fail "detect dm_type_void_star"
 227         }
 228         timeout {
 229             fail "detect dm_type_void_star (timeout)"
 230         }
 231     }
 232 }
 233
 234 #
 235 #  Lookup a specific C++ function and print the demangled type.
 236 #  This form accepts the demangled type as a regexp.
 237 #
 238
 239 proc info_func_regexp { name demangled } {
 240     global gdb_prompt
 241
 242     send_gdb "info function $name\n"
 243     gdb_expect {
 244         -re ".*File .*:\r\n(class |)$demangled\r\n.*$gdb_prompt $" {
 245             pass "info function for \"$name\""
 246         }
 247         -re ".*$gdb_prompt $" {
 248             fail "info function for \"$name\""
 249         }
 250         timeout {
 251             fail "info function for \"$name\" (timeout)"
 252         }
 253     }
 254 }
 255
 256 #
 257 #  Lookup a specific C++ function and print the demangled type.
 258 #  This form accepts the demangled type as a literal string.
 259 #
 260
 261 proc info_func { name demangled } {
 262     info_func_regexp "$name" [string_to_regexp "$demangled"]
 263 }
 264
 265 #
 266 # Print the address of a function.
 267 # This checks that I can lookup a fully qualified C++ function.
 268 # This also checks the argument types on the return string.
 269 #
 270
 271 proc print_addr_2 { name good } {
 272     global gdb_prompt
 273     global hex
 274
 275     set good_pattern [string_to_regexp $good]
 276
 277     send_gdb "print &'$name'\n"
 278     gdb_expect {
 279         -re ".* = .* $hex <$good_pattern>\r\n$gdb_prompt $" {
 280             pass "print &'$name'"
 281         }
 282         -re ".*$gdb_prompt $" {
 283             fail "print &'$name'"
 284         }
 285         timeout {
 286             fail "print &'$name' (timeout)"
 287         }
 288     }
 289 }
 290
 291 #
 292 #  Simple interfaces to print_addr_2.
 293 #
 294
 295 proc print_addr { name } {
 296     print_addr_2 "$name" "$name"
 297 }
 298
 299 #
 300 # Test name demangling for operators.
 301 #
 302 # The '(' at the end of each regex input pattern is so that we match only
 303 # the one we are looking for.  I.E. "operator&" would match both
 304 # "operator&(foo &)" and "operator&&(foo &)".
 305 #
 306 # gdb-gnats bug gdb/18:
 307 #  "gdb can't parse "info func operator*" or "info func operator\*".
 308 #  The star in "operator*" is interpreted as a regexp, but the "\*"
 309 #  in  "operator\*" is not a legal operator.
 310 #
 311
 312 proc test_lookup_operator_functions {} {
 313     global dm_operator_comma
 314     global dm_type_char_star
 315     global dm_type_foo_ref
 316     global dm_type_void
 317     global dm_type_void_star
 318
 319     # These tests don't work for COFF targets; don't even try them
 320     if [istarget "a29k-*-udi"] then {
 321         setup_xfail "a29k-*-udi"
 322         fail "skipping operator tests"
 323         return
 324     }
 325
 326     info_func "operator*("      "void foo::operator*($dm_type_foo_ref);"
 327     info_func "operator%("      "void foo::operator%($dm_type_foo_ref);"
 328     info_func "operator-("      "void foo::operator-($dm_type_foo_ref);"
 329     info_func "operator>>("     "void foo::operator>>($dm_type_foo_ref);"
 330     info_func "operator!=("     "void foo::operator!=($dm_type_foo_ref);"
 331     info_func "operator>("      "void foo::operator>($dm_type_foo_ref);"
 332     info_func "operator>=("     "void foo::operator>=($dm_type_foo_ref);"
 333     info_func "operator|("      "void foo::operator|($dm_type_foo_ref);"
 334     info_func "operator&&("     "void foo::operator&&($dm_type_foo_ref);"
 335     info_func "operator!("      "void foo::operator!($dm_type_void);"
 336     info_func "operator++("     "void foo::operator++(int);"
 337     info_func "operator=("      "void foo::operator=($dm_type_foo_ref);"
 338     info_func "operator+=("     "void foo::operator+=($dm_type_foo_ref);"
 339     info_func "operator*=("     "void foo::operator*=($dm_type_foo_ref);"
 340     info_func "operator%=("     "void foo::operator%=($dm_type_foo_ref);"
 341     info_func "operator>>=("    "void foo::operator>>=($dm_type_foo_ref);"
 342     info_func "operator|=("     "void foo::operator|=($dm_type_foo_ref);"
 343     info_func "operator$dm_operator_comma\("    \
 344                                 "void foo::operator$dm_operator_comma\($dm_type_foo_ref);"
 345     info_func "operator/("      "void foo::operator/($dm_type_foo_ref);"
 346     info_func "operator+("      "void foo::operator+($dm_type_foo_ref);"
 347     info_func "operator<<("     "void foo::operator<<($dm_type_foo_ref);"
 348     info_func "operator==("     "void foo::operator==($dm_type_foo_ref);"
 349     info_func "operator<("      "void foo::operator<($dm_type_foo_ref);"
 350     info_func "operator<=("     "void foo::operator<=($dm_type_foo_ref);"
 351     info_func "operator&("      "void foo::operator&($dm_type_foo_ref);"
 352     info_func "operator^("      "void foo::operator^($dm_type_foo_ref);"
 353     info_func "operator||("     "void foo::operator||($dm_type_foo_ref);"
 354     info_func "operator~("      "void foo::operator~($dm_type_void);"
 355     info_func "operator--("     "void foo::operator--(int);"
 356     info_func "operator->("     "foo *foo::operator->($dm_type_void);"
 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
 364     # operator[] needs backslashes to protect against TCL evaluation.
 365     info_func "operator\[\]("   "void foo::operator\[\]($dm_type_foo_ref);"
 366
 367     # These are gnarly because they might end with 'static'.
 368     set dm_type_void_star_regexp [string_to_regexp $dm_type_void_star]
 369     info_func_regexp "operator new("     "void \\*foo::operator new\\(.*\\)(| static);"
 370     info_func_regexp "operator delete("  "void foo::operator delete\\($dm_type_void_star_regexp\\)(| static);"
 371
 372     info_func "operator int("   "int foo::operator int($dm_type_void);"
 373     info_func "operator()("     "void foo::operator()($dm_type_foo_ref);"
 374     info_func "operator $dm_type_char_star\(" \
 375                                 "char *foo::operator $dm_type_char_star\($dm_type_void);"
 376
 377 }
 378
 379
 380 proc test_paddr_operator_functions {} {
 381     global hex
 382     global hp_aCC_compiler
 383     global dm_operator_comma
 384     global dm_type_char_star
 385     global dm_type_foo_ref
 386     global dm_type_long_star
 387     global dm_type_unsigned_int
 388     global dm_type_void
 389     global dm_type_void_star
 390
 391     print_addr "foo::operator*($dm_type_foo_ref)"
 392     print_addr "foo::operator%($dm_type_foo_ref)"
 393     print_addr "foo::operator-($dm_type_foo_ref)"
 394     print_addr "foo::operator>>($dm_type_foo_ref)"
 395     print_addr "foo::operator!=($dm_type_foo_ref)"
 396     print_addr "foo::operator>($dm_type_foo_ref)"
 397     print_addr "foo::operator>=($dm_type_foo_ref)"
 398     print_addr "foo::operator|($dm_type_foo_ref)"
 399     print_addr "foo::operator&&($dm_type_foo_ref)"
 400     print_addr "foo::operator!($dm_type_void)"
 401     print_addr "foo::operator++(int)"
 402     print_addr "foo::operator=($dm_type_foo_ref)"
 403     print_addr "foo::operator+=($dm_type_foo_ref)"
 404     print_addr "foo::operator*=($dm_type_foo_ref)"
 405     print_addr "foo::operator%=($dm_type_foo_ref)"
 406     print_addr "foo::operator>>=($dm_type_foo_ref)"
 407     print_addr "foo::operator|=($dm_type_foo_ref)"
 408     print_addr "foo::operator$dm_operator_comma\($dm_type_foo_ref)"
 409     print_addr "foo::operator/($dm_type_foo_ref)"
 410     print_addr "foo::operator+($dm_type_foo_ref)"
 411     print_addr "foo::operator<<($dm_type_foo_ref)"
 412     print_addr "foo::operator==($dm_type_foo_ref)"
 413     print_addr "foo::operator<($dm_type_foo_ref)"
 414     print_addr "foo::operator<=($dm_type_foo_ref)"
 415     print_addr "foo::operator&($dm_type_foo_ref)"
 416     print_addr "foo::operator^($dm_type_foo_ref)"
 417     print_addr "foo::operator||($dm_type_foo_ref)"
 418     print_addr "foo::operator~($dm_type_void)"
 419     print_addr "foo::operator--(int)"
 420     print_addr "foo::operator->($dm_type_void)"
 421     print_addr "foo::operator-=($dm_type_foo_ref)"
 422     print_addr "foo::operator/=($dm_type_foo_ref)"
 423     print_addr "foo::operator<<=($dm_type_foo_ref)"
 424     print_addr "foo::operator&=($dm_type_foo_ref)"
 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
 430     gdb_test "print &'foo::operator new'" \
 431         " = .* $hex <foo::operator new\\(.*\\)(| static)>"
 432     if { !$hp_aCC_compiler } {
 433         print_addr "foo::operator delete($dm_type_void_star)"
 434     } else {
 435         gdb_test "print &'foo::operator delete($dm_type_void_star) static'" \
 436             " = .*(0x\[0-9a-f\]+|) <foo::operator delete.*>"
 437     }
 438
 439     print_addr "foo::operator int($dm_type_void)"
 440     print_addr "foo::operator $dm_type_char_star\($dm_type_void)"
 441 }
 442
 443 #
 444 # Test overloaded functions (1 arg).
 445 #
 446
 447 proc test_paddr_overloaded_functions {} {
 448     global dm_type_unsigned_int
 449     global dm_type_void
 450
 451     print_addr "overload1arg($dm_type_void)"
 452     print_addr "overload1arg(char)"
 453     print_addr "overload1arg(signed char)"
 454     print_addr "overload1arg(unsigned char)"
 455     print_addr "overload1arg(short)"
 456     print_addr "overload1arg(unsigned short)"
 457     print_addr "overload1arg(int)"
 458     print_addr "overload1arg($dm_type_unsigned_int)"
 459     print_addr "overload1arg(long)"
 460     print_addr "overload1arg(unsigned long)"
 461     print_addr "overload1arg(float)"
 462     print_addr "overload1arg(double)"
 463
 464     print_addr "overloadargs(int)"
 465     print_addr "overloadargs(int, int)"
 466     print_addr "overloadargs(int, int, int)"
 467     print_addr "overloadargs(int, int, int, int)"
 468     print_addr "overloadargs(int, int, int, int, int)"
 469     print_addr "overloadargs(int, int, int, int, int, int)"
 470     print_addr "overloadargs(int, int, int, int, int, int, int)"
 471     print_addr "overloadargs(int, int, int, int, int, int, int, int)"
 472     print_addr "overloadargs(int, int, int, int, int, int, int, int, int)"
 473     print_addr "overloadargs(int, int, int, int, int, int, int, int, int, int)"
 474     print_addr "overloadargs(int, int, int, int, int, int, int, int, int, int, int)"
 475 }
 476
 477 proc test_paddr_hairy_functions {} {
 478     global gdb_prompt
 479     global hex
 480     global dm_type_char_star
 481     global dm_type_int_star
 482     global dm_type_long_star
 483
 484     print_addr_2 "hairyfunc1" "hairyfunc1(int)"
 485     print_addr_2 "hairyfunc2" "hairyfunc2(int (*)($dm_type_char_star))"
 486     print_addr_2 "hairyfunc3" "hairyfunc3(int (*)(short (*)($dm_type_long_star)))"
 487     print_addr_2 "hairyfunc4" "hairyfunc4(int (*)(short (*)($dm_type_char_star)))"
 488
 489     # gdb-gnats bug gdb/19:
 490     # "gdb v3 demangler fails on hairyfunc5 hairyfunc6 hairyfunc7"
 491     print_addr_2 "hairyfunc5" "hairyfunc5(int (*(*)($dm_type_char_star))(long))"
 492     print_addr_2 "hairyfunc6" "hairyfunc6(int (*(*)($dm_type_int_star))(long))"
 493     print_addr_2 "hairyfunc7" "hairyfunc7(int (*(*)(int (*)($dm_type_char_star)))(long))"
 494 }
 495
 496 proc do_tests {} {
 497     global prms_id
 498     global bug_id
 499     global subdir
 500     global objdir
 501     global srcdir
 502     global binfile
 503     global gdb_prompt
 504
 505     set prms_id 0
 506     set bug_id 0
 507
 508     # Start with a fresh gdb.
 509
 510     gdb_exit
 511     gdb_start
 512     gdb_reinitialize_dir $srcdir/$subdir
 513     gdb_load $binfile
 514
 515     send_gdb "set language c++\n"
 516     gdb_expect -re "$gdb_prompt $"
 517     send_gdb "set width 0\n"
 518     gdb_expect -re "$gdb_prompt $"
 519
 520     # Get the debug format for the compiled test case.  If that
 521     # format is DWARF 1 then just skip all the tests since none of
 522     # them will pass.
 523
 524     if [ runto_main] then {
 525         get_debug_format
 526         if [ setup_xfail_format "DWARF 1" ] then {
 527             fail "C++ tests skipped due to limited C++ support in DWARF 1 debug format"
 528             return
 529         }
 530         clear_xfail "*-*-*"
 531     }
 532
 533     probe_demangler
 534     test_paddr_overloaded_functions
 535     test_paddr_operator_functions
 536     test_paddr_hairy_functions
 537     test_lookup_operator_functions
 538 }
 539
 540 do_tests