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1 # Copyright 1992, 1997, 1999, 2001, 2002, 2003, 2004, 2007, 2008, 2009
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 3 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, see <http://www.gnu.org/licenses/>.
16
17 # This file was written by Fred Fish. (fnf@cygnus.com)
18 # Adapted for g++ 3.0 ABI by Michael Chastain. (chastain@redhat.com)
19
20 if $tracelevel then {
21         strace $tracelevel
22 }
23
24 if { [skip_cplus_tests] } { continue }
25
26 set testfile "cplusfuncs"
27 set srcfile ${testfile}.cc
28 set binfile ${objdir}/${subdir}/${testfile}
29
30 if { [get_compiler_info $binfile "c++"] } {
31     return -1
32 }
33
34 if  { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug c++}] != "" } {
35      untested cplusfuncs.exp
36      return -1
37 }
38
39 #
40 # g++ changed its ABI between 2.95 and 3.0.  gdb has two demanglers
41 # for the two different styles.  The two demanglers have some subtle
42 # discrepancies in their output.
43 #
44 #   old demangler         new demangler
45 #   --- ---------         --- ---------
46 #   "operator, "          "operator,"
47 #   "char *"              "char*"
48 #   "int *"               "int*"
49 #   "long *"              "long*"
50 #   "void *"              "void*"
51 #   "foo &"               "foo&"
52 #   "unsigned int"        "unsigned"
53 #   "void"                ""
54 #
55 # I probe for the forms in use.
56 # The defaults are for the v3 demangler (as of 2001-02-13).
57 #
58
59 set dm_operator_comma           ","
60 set dm_type_char_star           "char*"
61 set dm_type_char_star_quoted    "char\\*"
62 set dm_type_foo_ref             "foo&"
63 set dm_type_int_star            "int*"
64 set dm_type_long_star           "long*"
65 set dm_type_unsigned_int        "unsigned"
66 set dm_type_void                ""
67 set dm_type_void_star           "void*"
68
69 proc probe_demangler { } {
70     global gdb_prompt
71     global dm_operator_comma
72     global dm_type_char_star
73     global dm_type_char_star_quoted
74     global dm_type_foo_ref
75     global dm_type_int_star
76     global dm_type_long_star
77     global dm_type_unsigned_int
78     global dm_type_void
79     global dm_type_void_star
80
81     send_gdb "print &'foo::operator,(foo&)'\n"
82     gdb_expect {
83         -re ".*foo::operator, \\(.*foo.*&.*\\).*\r\n$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 $" {
103             # v2 demangler
104             set dm_type_char_star "char *"
105             set dm_type_char_star_quoted "char \\*"
106             pass "detect dm_type_char_star"
107         }
108         -re ".*dm_type_char_star\\(char\\*\\).*\r\n$gdb_prompt $" {
109             # v3 demangler
110             pass "detect dm_type_char_star"
111         }
112         -re ".*$gdb_prompt $" {
113             fail "detect dm_type_char_star"
114         }
115         timeout {
116             fail "detect dm_type_char_star (timeout)"
117         }
118     }
119
120     send_gdb "print &'dm_type_foo_ref'\n"
121     gdb_expect {
122         -re ".*dm_type_foo_ref\\(foo &\\).*\r\n$gdb_prompt $" {
123             # v2 demangler
124             set dm_type_foo_ref "foo &"
125             pass "detect dm_type_foo_ref"
126         }
127         -re ".*dm_type_foo_ref\\(foo&\\).*\r\n$gdb_prompt $" {
128             # v3 demangler
129             pass "detect dm_type_foo_ref"
130         }
131         -re ".*$gdb_prompt $" {
132             fail "detect dm_type_foo_ref"
133         }
134         timeout {
135             fail "detect dm_type_foo_ref (timeout)"
136         }
137     }
138
139     send_gdb "print &'dm_type_int_star'\n"
140     gdb_expect {
141         -re ".*dm_type_int_star\\(int \\*\\).*\r\n$gdb_prompt $" {
142             # v2 demangler
143             set dm_type_int_star "int *"
144             pass "detect dm_type_int_star"
145         }
146         -re ".*dm_type_int_star\\(int\\*\\).*\r\n$gdb_prompt $" {
147             # v3 demangler
148             pass "detect dm_type_int_star"
149         }
150         -re ".*$gdb_prompt $" {
151             fail "detect dm_type_int_star"
152         }
153         timeout {
154             fail "detect dm_type_int_star (timeout)"
155         }
156     }
157
158     send_gdb "print &'dm_type_long_star'\n"
159     gdb_expect {
160         -re ".*dm_type_long_star\\(long \\*\\).*\r\n$gdb_prompt $" {
161             # v2 demangler
162             set dm_type_long_star "long *"
163             pass "detect dm_type_long_star"
164         }
165         -re ".*dm_type_long_star\\(long\\*\\).*\r\n$gdb_prompt $" {
166             # v3 demangler
167             pass "detect dm_type_long_star"
168         }
169         -re ".*$gdb_prompt $" {
170             fail "detect dm_type_long_star"
171         }
172         timeout {
173             fail "detect dm_type_long_star (timeout)"
174         }
175     }
176
177     send_gdb "print &'dm_type_unsigned_int'\n"
178     gdb_expect {
179         -re ".*dm_type_unsigned_int\\(unsigned int\\).*\r\n$gdb_prompt $" {
180             # v2 demangler
181             set dm_type_unsigned_int "unsigned int"
182             pass "detect dm_type_unsigned_int"
183         }
184         -re ".*dm_type_unsigned_int\\(unsigned\\).*\r\n$gdb_prompt $" {
185             # v3 demangler
186             pass "detect dm_type_unsigned_int"
187         }
188         -re ".*$gdb_prompt $" {
189             fail "detect dm_type_unsigned_int"
190         }
191         timeout {
192             fail "detect dm_unsigned int (timeout)"
193         }
194     }
195
196     send_gdb "print &'dm_type_void'\n"
197     gdb_expect {
198         -re ".*dm_type_void\\(void\\).*\r\n$gdb_prompt $" {
199             # v2 demangler
200             set dm_type_void "void"
201             pass "detect dm_type_void"
202         }
203         -re ".*dm_type_void\\(\\).*\r\n$gdb_prompt $" {
204             # v3 demangler
205             pass "detect dm_type_void"
206         }
207         -re ".*$gdb_prompt $" {
208             fail "detect dm_type_void"
209         }
210         timeout {
211             fail "detect dm_type_void (timeout)"
212         }
213     }
214
215     send_gdb "print &'dm_type_void_star'\n"
216     gdb_expect {
217         -re ".*dm_type_void_star\\(void \\*\\).*\r\n$gdb_prompt $" {
218             # v2 demangler
219             set dm_type_void_star "void *"
220             pass "detect dm_type_void_star"
221         }
222         -re ".*dm_type_void_star\\(void\\*\\).*\r\n$gdb_prompt $" {
223             # v3 demangler
224             pass "detect dm_type_void_star"
225         }
226         -re ".*$gdb_prompt $" {
227             fail "detect dm_type_void_star"
228         }
229         timeout {
230             fail "detect dm_type_void_star (timeout)"
231         }
232     }
233 }
234
235 #
236 #  Lookup a specific C++ function and print the demangled type.
237 #  This form accepts the demangled type as a regexp.
238 #
239
240 proc info_func_regexp { name demangled } {
241     global gdb_prompt
242
243     send_gdb "info function $name\n"
244     gdb_expect {
245         -re ".*File .*:\r\n(class |)$demangled\r\n.*$gdb_prompt $" {
246             pass "info function for \"$name\""
247         }
248         -re ".*$gdb_prompt $" {
249             fail "info function for \"$name\""
250         }
251         timeout {
252             fail "info function for \"$name\" (timeout)"
253         }
254     }
255 }
256
257 #
258 #  Lookup a specific C++ function and print the demangled type.
259 #  This form accepts the demangled type as a literal string.
260 #
261
262 proc info_func { name demangled } {
263     info_func_regexp "$name" [string_to_regexp "$demangled"]
264 }
265
266 #
267 # Print the address of a function.
268 # This checks that I can lookup a fully qualified C++ function.
269 # This also checks the argument types on the return string.
270
271 # Note: carlton/2003-01-16: If you modify this, make a corresponding
272 # modification to print_addr_2_kfail.
273
274 proc print_addr_2 { name good } {
275     global gdb_prompt
276     global hex
277
278     set good_pattern [string_to_regexp $good]
279
280     send_gdb "print &'$name'\n"
281     gdb_expect {
282         -re ".* = .* $hex <$good_pattern>\r\n$gdb_prompt $" {
283             pass "print &'$name'"
284         }
285         -re ".*$gdb_prompt $" {
286             fail "print &'$name'"
287         }
288         timeout {
289             fail "print &'$name' (timeout)"
290         }
291     }
292 }
293
294 # NOTE: carlton/2003-01-16: hairyfunc5-6 fail on GCC 3.x (for at least
295 # x=1 and x=2.1).  So I'm modifying print_addr_2 to accept a failure
296 # condition.  FIXME: It would be nice if the failure condition were
297 # conditional on the compiler version, but I'm not sufficiently
298 # motivated.  I did hardwire in the versions of char * and int *,
299 # which will give some compiler-specificity to the failure.
300
301 proc print_addr_2_kfail { name good bad bugid } {
302     global gdb_prompt
303     global hex
304
305     set good_pattern [string_to_regexp $good]
306     set bad_pattern [string_to_regexp $bad]
307
308     send_gdb "print &'$name'\n"
309     gdb_expect {
310         -re ".* = .* $hex <$good_pattern>\r\n$gdb_prompt $" {
311             pass "print &'$name'"
312         }
313         -re ".* = .* $hex <$bad_pattern>\r\n$gdb_prompt $" {
314             kfail $bugid "print &'$name'"
315         }
316         -re ".*$gdb_prompt $" {
317             fail "print &'$name'"
318         }
319         timeout {
320             fail "print &'$name' (timeout)"
321         }
322     }
323 }
324
325 #
326 #  Simple interfaces to print_addr_2.
327 #
328
329 proc print_addr { name } {
330     print_addr_2 "$name" "$name"
331 }
332
333 #
334 # Test name demangling for operators.
335 #
336 # The '(' at the end of each regex input pattern is so that we match only
337 # the one we are looking for.  I.E. "operator&" would match both
338 # "operator&(foo &)" and "operator&&(foo &)".
339 #
340 # gdb-gnats bug gdb/18:
341 #  "gdb can't parse "info func operator*" or "info func operator\*".
342 #  The star in "operator*" is interpreted as a regexp, but the "\*"
343 #  in  "operator\*" is not a legal operator.
344 #
345
346 proc test_lookup_operator_functions {} {
347     global dm_operator_comma
348     global dm_type_char_star
349     global dm_type_char_star_quoted
350     global dm_type_foo_ref
351     global dm_type_void
352     global dm_type_void_star
353
354     # operator* requires quoting so that GDB does not treat it as a regexp.
355     info_func "operator\\*("    "void foo::operator*($dm_type_foo_ref);"
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!($dm_type_void);"
365     info_func "operator++("     "void foo::operator++(int);"
366     info_func "operator=("      "void foo::operator=($dm_type_foo_ref);"
367     info_func "operator+=("     "void foo::operator+=($dm_type_foo_ref);"
368     # operator*= requires quoting so that GDB does not treat it as a regexp.
369     info_func "operator\\*=("   "void foo::operator*=($dm_type_foo_ref);"
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|=($dm_type_foo_ref);"
373     info_func "operator$dm_operator_comma\("    \
374                                 "void foo::operator$dm_operator_comma\($dm_type_foo_ref);"
375     info_func "operator/("      "void foo::operator/($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~($dm_type_void);"
385     info_func "operator--("     "void foo::operator--(int);"
386     info_func "operator->("     "foo *foo::operator->($dm_type_void);"
387     info_func "operator-=("     "void foo::operator-=($dm_type_foo_ref);"
388     info_func "operator/=("     "void foo::operator/=($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^=($dm_type_foo_ref);"
392     # operator->* requires quoting so that GDB does not treat it as a regexp.
393     info_func "operator->\\*("  "void foo::operator->*($dm_type_foo_ref);"
394
395     # operator[] needs double backslashes, so that a single backslash
396     # will be sent to GDB, preventing the square brackets from being
397     # evaluated as a regular expression. 
398     info_func "operator\\\[\\\](" "void foo::operator\[\]($dm_type_foo_ref);"
399
400     # These are gnarly because they might end with 'static'.
401     set dm_type_void_star_regexp [string_to_regexp $dm_type_void_star]
402     info_func_regexp "operator new("     "void \\*foo::operator new\\(.*\\)(| static);"
403     info_func_regexp "operator delete("  "void foo::operator delete\\($dm_type_void_star_regexp\\)(| static);"
404
405     info_func "operator int("   "int foo::operator int($dm_type_void);"
406     info_func "operator()("     "void foo::operator()($dm_type_foo_ref);"
407     info_func "operator $dm_type_char_star_quoted\(" \
408                                 "char *foo::operator $dm_type_char_star\($dm_type_void);"
409
410 }
411
412
413 proc test_paddr_operator_functions {} {
414     global hex
415     global hp_aCC_compiler
416     global dm_operator_comma
417     global dm_type_char_star
418     global dm_type_foo_ref
419     global dm_type_long_star
420     global dm_type_unsigned_int
421     global dm_type_void
422     global dm_type_void_star
423
424     print_addr "foo::operator*($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     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!($dm_type_void)"
434     print_addr "foo::operator++(int)"
435     print_addr "foo::operator=($dm_type_foo_ref)"
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_operator_comma\($dm_type_foo_ref)"
442     print_addr "foo::operator/($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~($dm_type_void)"
452     print_addr "foo::operator--(int)"
453     print_addr "foo::operator->($dm_type_void)"
454     print_addr "foo::operator-=($dm_type_foo_ref)"
455     print_addr "foo::operator/=($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
463     gdb_test "print &'foo::operator new'" \
464         " = .* $hex <foo::operator new\\(.*\\)(| static)>"
465     if { !$hp_aCC_compiler } {
466         print_addr "foo::operator delete($dm_type_void_star)"
467     } else {
468         gdb_test "print &'foo::operator delete($dm_type_void_star) static'" \
469             " = .*(0x\[0-9a-f\]+|) <foo::operator delete.*>"
470     }
471
472     print_addr "foo::operator int($dm_type_void)"
473     print_addr "foo::operator $dm_type_char_star\($dm_type_void)"
474 }
475
476 #
477 # Test overloaded functions (1 arg).
478 #
479
480 proc test_paddr_overloaded_functions {} {
481     global dm_type_unsigned_int
482     global dm_type_void
483
484     print_addr "overload1arg($dm_type_void)"
485     print_addr "overload1arg(char)"
486     print_addr "overload1arg(signed char)"
487     print_addr "overload1arg(unsigned char)"
488     print_addr "overload1arg(short)"
489     print_addr "overload1arg(unsigned short)"
490     print_addr "overload1arg(int)"
491     print_addr "overload1arg($dm_type_unsigned_int)"
492     print_addr "overload1arg(long)"
493     print_addr "overload1arg(unsigned long)"
494     print_addr "overload1arg(float)"
495     print_addr "overload1arg(double)"
496
497     print_addr "overloadargs(int)"
498     print_addr "overloadargs(int, int)"
499     print_addr "overloadargs(int, int, int)"
500     print_addr "overloadargs(int, int, int, int)"
501     print_addr "overloadargs(int, int, int, int, int)"
502     print_addr "overloadargs(int, int, int, int, int, int)"
503     print_addr "overloadargs(int, int, int, int, int, int, int)"
504     print_addr "overloadargs(int, int, int, int, int, int, int, int)"
505     print_addr "overloadargs(int, int, int, int, int, int, int, int, int)"
506     print_addr "overloadargs(int, int, int, int, int, int, int, int, int, int)"
507     print_addr "overloadargs(int, int, int, int, int, int, int, int, int, int, int)"
508 }
509
510 proc test_paddr_hairy_functions {} {
511     global gdb_prompt
512     global hex
513     global dm_type_char_star
514     global dm_type_int_star
515     global dm_type_long_star
516
517     print_addr_2 "hairyfunc1" "hairyfunc1(int)"
518     print_addr_2 "hairyfunc2" "hairyfunc2(int (*)($dm_type_char_star))"
519     print_addr_2 "hairyfunc3" "hairyfunc3(int (*)(short (*)($dm_type_long_star)))"
520     print_addr_2 "hairyfunc4" "hairyfunc4(int (*)(short (*)($dm_type_char_star)))"
521
522     # gdb-gnats bug gdb/19:
523     # "gdb v3 demangler fails on hairyfunc5 hairyfunc6 hairyfunc7"
524     print_addr_2_kfail "hairyfunc5" "hairyfunc5(int (*(*)($dm_type_char_star))(long))" "hairyfunc5(int (*)(long) (*)(char*))" "gdb/19"
525     print_addr_2_kfail "hairyfunc6" "hairyfunc6(int (*(*)($dm_type_int_star))(long))" "hairyfunc6(int (*)(long) (*)(int*))" "gdb/19"
526     print_addr_2_kfail "hairyfunc7" "hairyfunc7(int (*(*)(int (*)($dm_type_char_star)))(long))" "hairyfunc7(int (*)(long) (*)(int (*)(char*)))" "gdb/19"
527 }
528
529 proc do_tests {} {
530     global prms_id
531     global bug_id
532     global subdir
533     global objdir
534     global srcdir
535     global binfile
536     global gdb_prompt
537     global dm_type_int_star
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     # A regression test on errors involving operators
563     gdb_test "list foo::operator $dm_type_int_star" \
564         ".*the class foo does not have any method named operator $dm_type_int_star.*"
565 }
566
567 do_tests