1 # Copyright 1998-2021 Free Software Foundation, Inc.
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.
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.
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/>.
16 # written by Elena Zannoni (ezannoni@cygnus.com)
17 # Rewritten by Michael Chastain <mec.gnu@mindspring.com>
19 # This file is part of the gdb testsuite
21 # Tests for overloaded member functions.
27 if { [skip_cplus_tests] } { continue }
31 if {[prepare_for_testing "failed to prepare" $testfile $srcfile {debug c++}]} {
35 # Set it up at a breakpoint so we can play with the variable values.
37 if ![runto 'marker1'] then {
38 perror "couldn't run to marker1"
42 # Prevent symbol on address 0x0 being printed.
43 gdb_test_no_output "set print symbol off"
45 gdb_test "up" ".*main.*" "up from marker1"
47 # Print the monster class type.
48 # See virtfunc.exp for a discussion of ptype.
50 # This is hairy to begin with. It is even more hairy because of the
51 # XX_* alternate patterns to catch the KFAIL and XFAIL cases.
53 set re_class "((struct|class) foo \{${ws}public:|struct foo \{)"
54 set re_fields "int ifoo;${ws}const char ?\\* ?ccpfoo;"
55 set XX_fields "int ifoo;${ws}char ?\\* ?ccpfoo;"
56 set re_ctor "foo\\(int\\);${ws}foo\\(int, (char const|const char) ?\\*\\);${ws}foo\\(foo ?&\\);"
57 set re_dtor "~foo\\((void|)\\);"
58 set XX_dtor "~foo\\(int\\);"
59 set re_methods "void foofunc\\(int\\);"
60 set re_methods "${re_methods}${ws}void foofunc\\(int, signed char ?\\*\\);"
61 set re_methods "${re_methods}${ws}int overload1arg\\((void|)\\);"
62 set re_methods "${re_methods}${ws}int overload1arg\\(char\\);"
63 set re_methods "${re_methods}${ws}int overload1arg\\(signed char\\);"
64 set re_methods "${re_methods}${ws}int overload1arg\\(unsigned char\\);"
65 set re_methods "${re_methods}${ws}int overload1arg\\(short( int)?\\);"
66 set re_methods "${re_methods}${ws}int overload1arg\\((unsigned short|short unsigned)( int)?\\);"
67 set re_methods "${re_methods}${ws}int overload1arg\\(int\\);"
68 set re_methods "${re_methods}${ws}int overload1arg\\(unsigned int\\);"
69 set re_methods "${re_methods}${ws}int overload1arg\\(long( int)?\\);"
70 set re_methods "${re_methods}${ws}int overload1arg\\((unsigned long|long unsigned)( int)?\\);"
71 set re_methods "${re_methods}${ws}int overload1arg\\(float\\);"
72 set re_methods "${re_methods}${ws}int overload1arg\\(double\\);"
73 set re_methods "${re_methods}${ws}int overload1arg\\(int \\*\\);"
74 set re_methods "${re_methods}${ws}int overload1arg\\(void \\*\\);"
75 set re_methods "${re_methods}${ws}int overloadfnarg\\((void|)\\);"
76 set re_methods "${re_methods}${ws}int overloadfnarg\\(int\\);"
77 set re_methods "${re_methods}${ws}int overloadfnarg\\(int, int ?\\(\\*\\) ?\\(int\\)\\);"
78 set re_methods "${re_methods}${ws}int overloadargs\\(int\\);"
79 set re_methods "${re_methods}${ws}int overloadargs\\(int, int\\);"
80 set re_methods "${re_methods}${ws}int overloadargs\\(int, int, int\\);"
81 set re_methods "${re_methods}${ws}int overloadargs\\(int, int, int, int\\);"
82 set re_methods "${re_methods}${ws}int overloadargs\\(int, int, int, int, int\\);"
83 set re_methods "${re_methods}${ws}int overloadargs\\(int, int, int, int, int, int\\);"
84 set re_methods "${re_methods}${ws}int overloadargs\\(int, int, int, int, int, int, int\\);"
85 set re_methods "${re_methods}${ws}int overloadargs\\(int, int, int, int, int, int, int, int\\);"
86 set re_methods "${re_methods}${ws}int overloadargs\\(int, int, int, int, int, int, int, int, int\\);"
87 set re_methods "${re_methods}${ws}int overloadargs\\(int, int, int, int, int, int, int, int, int, int\\);"
88 set re_methods "${re_methods}${ws}int overloadargs\\(int, int, int, int, int, int, int, int, int, int, int\\);"
89 set re_synth "foo & operator=\\(foo const ?&\\);"
91 gdb_test "print foo_instance1" "\\$\[0-9\]+ = \{ifoo = 111, ccpfoo = 0x0\}"
93 gdb_test_multiple "ptype foo_instance1" "ptype foo_instance1" {
94 -re "type = $re_class${ws}$XX_fields${ws}$re_synth${ws}$re_dtor${ws}$re_ctor${ws}$re_methods$nl\}$nl$gdb_prompt $" {
95 # gcc 2.95.3 -gstabs+, no "const" on "const char *"
96 # TODO: gdb.base/constvar.exp has XFAILed this kind of problem for a
97 # long time, but an XFAIL really needs an external bug report.
98 # -- chastain 2003-12-31
100 # fail "ptype foo_instance1"
101 # TODO: this should be a KFAIL.
102 pass "ptype foo_instance1 (shorter match)"
104 -re "type = $re_class${ws}$re_fields${ws}$re_synth${ws}$re_dtor${ws}$re_ctor${ws}$re_methods$nl\}$nl$gdb_prompt $" {
105 # gcc 2.95.3 -gstabs+ if "const char *" ever gets fixed
106 pass "ptype foo_instance1"
108 -re "type = $re_class${ws}$re_fields${ws}$re_ctor${ws}$XX_dtor${ws}$re_methods$nl\}$nl$gdb_prompt $" {
109 # gcc 3.3.2 -gdwarf-2, "~foo(int)"
111 # kfail "gdb/1113" "ptype foo_instance1"
112 pass "ptype foo_instance1 (shorter match)"
114 -re "type = $re_class${ws}$re_fields${ws}$re_ctor${ws}$re_dtor${ws}$re_methods$nl\}$nl$gdb_prompt $" {
115 # gcc 3.3.2 -gdwarf-2, if the dtor bug gets fixed
116 # gcc HEAD -gdwarf-2 (abi-2)
117 # TODO: just pass this
118 pass "ptype foo_instance1 (shorter match)"
120 -re "type = $re_class${ws}$re_fields${ws}$re_synth${ws}$re_ctor${ws}$re_dtor${ws}$re_methods$nl\}$nl$gdb_prompt $" {
122 # TODO: enough with the "shorter match"
123 pass "ptype foo_instance1 (shorter match)"
125 -re "type = $re_class${ws}$re_fields${ws}$re_ctor${ws}$re_dtor${ws}$re_methods${ws}$re_synth$nl\}$nl$gdb_prompt $" {
126 # gcc HEAD -gstabs+ (abi-2)
127 pass "ptype foo_instance1 (shorter match)"
131 # Print variables and method calls.
132 # This is a walk in the park.
134 gdb_test "print foo_instance2" "\\$\[0-9\]+ = \{ifoo = 222, ccpfoo = $hex \"A\"\}"
135 gdb_test "print foo_instance3" "\\$\[0-9\]+ = \{ifoo = 222, ccpfoo = $hex \"A\"\}"
137 gdb_test "print foo_instance1.overloadargs(1)" "\\$\[0-9\]+ = 1" \
138 "print call overloaded func 1 arg"
140 # Regression test for overloading with function pointer type.
141 gdb_test "print foo_instance1.overloadfnarg(23, intintfunc)" " = 23"
143 # If GDB fails to restore the selected frame properly after the
144 # inferior function call above (see GDB PR 1155 for an explanation of
145 # why this might happen), all the subsequent tests will fail. We
146 # should detect and report that failure, but let the marker call
147 # finish so that the rest of the tests can run undisturbed.
149 gdb_test_multiple "frame" "re-selected 'main' frame after inferior call" {
150 -re "#0 marker1.*$gdb_prompt $" {
151 setup_kfail "gdb/1155" s390-*-linux-gnu
152 fail "re-selected 'main' frame after inferior call"
153 gdb_test "finish" ".*main.*at .*overload.cc:.*// marker1-returns-here.*" \
154 "finish call to marker1"
156 -re "#1 ($hex in )?main.*$gdb_prompt $" {
157 pass "re-selected 'main' frame after inferior call"
161 gdb_test "print foo_instance1.overloadargs(1, 2)" \
163 "print call overloaded func 2 args"
165 gdb_test "print foo_instance1.overloadargs(1, 2, 3)" \
167 "print call overloaded func 3 args"
169 gdb_test "print foo_instance1.overloadargs(1, 2, 3, 4)" \
171 "print call overloaded func 4 args"
173 gdb_test "print foo_instance1.overloadargs(1, 2, 3, 4, 5)" \
175 "print call overloaded func 5 args"
177 gdb_test "print foo_instance1.overloadargs(1, 2, 3, 4, 5, 6)" \
179 "print call overloaded func 6 args"
181 gdb_test "print foo_instance1.overloadargs(1, 2, 3, 4, 5, 6, 7)" \
183 "print call overloaded func 7 args"
185 gdb_test "print foo_instance1.overloadargs(1, 2, 3, 4, 5, 6, 7, 8)" \
187 "print call overloaded func 8 args"
189 gdb_test "print foo_instance1.overloadargs(1, 2, 3, 4, 5, 6, 7, 8, 9)" \
191 "print call overloaded func 9 args"
193 gdb_test "print foo_instance1.overloadargs(1, 2, 3, 4, 5, 6, 7, 8, 9, 10)" \
195 "print call overloaded func 10 args"
197 gdb_test "print foo_instance1.overloadargs(1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11)" \
199 "print call overloaded func 11 args"
201 gdb_test "print foo_instance1.overload1arg()" \
203 "print call overloaded func void arg"
205 gdb_test "print foo_instance1.overload1arg((char)arg2)" \
207 "print call overloaded func char arg"
209 gdb_test "print foo_instance1.overload1arg((signed char)arg3)" \
211 "print call overloaded func signed char arg"
213 gdb_test "print foo_instance1.overload1arg((unsigned char)arg4)" \
215 "print call overloaded func unsigned char arg"
217 gdb_test "print foo_instance1.overload1arg((short)arg5)" \
219 "print call overloaded func short arg"
221 gdb_test "print foo_instance1.overload1arg((unsigned short)arg6)" \
223 "print call overloaded func unsigned short arg"
225 gdb_test "print foo_instance1.overload1arg((int)arg7)" \
227 "print call overloaded func int arg"
229 gdb_test "print foo_instance1.overload1arg((unsigned int)arg8)" \
231 "print call overloaded func unsigned int arg"
233 gdb_test "print foo_instance1.overload1arg((long)arg9)" \
235 "print call overloaded func long arg"
237 gdb_test "print foo_instance1.overload1arg((unsigned long)arg10)" \
239 "print call overloaded func unsigned long arg"
241 gdb_test "print foo_instance1.overload1arg((float)arg11)" \
243 "print call overloaded func float arg"
245 gdb_test "print foo_instance1.overload1arg((double)arg12)" \
247 "print call overloaded func double arg"
249 gdb_test "print foo_instance1.overload1arg(&arg13)" \
251 "print call overloaded func int\\* arg"
253 gdb_test "print foo_instance1.overload1arg(&arg14)" \
255 "print call overloaded func char\\* arg"
257 gdb_test "print bar(a)" "= 11"
258 gdb_test "print bar(b)" "= 22"
259 gdb_test "print bar(c)" "= 22"
260 gdb_test "print bar(d)" "= 22"
264 # List overloaded functions.
266 gdb_test_no_output "set listsize 1" ""
268 # Build source listing pattern based on an inclusive line range.
270 proc line_range_pattern { range_start range_end } {
273 for {set i $range_start} {$i <= $range_end} {incr i} {
274 append pattern "\r\n$i\[ \t\]\[^\r\n\]*"
277 verbose -log "pattern $pattern"
281 # The void case is tricky because some compilers say "(void)"
282 # and some compilers say "()".
284 gdb_test_multiple "info func overloadfnarg" "list overloaded function with no args" {
285 -re ".*overloadfnarg\\(void\\).*$gdb_prompt $" {
287 gdb_test "list foo::overloadfnarg(void)"\
288 ".*int foo::overloadfnarg.*\\(void\\).*" \
289 "list overloaded function with no args"
291 -re ".*overloadfnarg\\(\\).*$gdb_prompt $" {
293 gdb_test "list foo::overloadfnarg()"\
294 ".*int foo::overloadfnarg.*\\(void\\).*" \
295 "list overloaded function with no args"
299 gdb_test "list foo::overloadfnarg(int)" \
300 "int foo::overloadfnarg.*\\(int arg\\).*" \
301 "list overloaded function with int arg"
303 gdb_test "list foo::overloadfnarg(int, int (*)(int))" \
304 "int foo::overloadfnarg.*\\(int arg, int \\(\\*foo\\) \\(int\\)\\).*" \
305 "list overloaded function with function ptr args"
307 gdb_test "list \"foo::overloadfnarg(int, int (*)(int))\"" \
308 "int foo::overloadfnarg.*\\(int arg, int \\(\\*foo\\) \\(int\\)\\).*" \
309 "list overloaded function with function ptr args - quotes around argument"
311 # Test list with filename.
313 gdb_test "list ${srcfile}:intToChar" "int intToChar.*"
314 gdb_test "list ${srcfile}:intToChar(char)" "int intToChar.*"
315 gdb_test "list ${srcfile}:'intToChar(char)'" "int intToChar.*"
316 gdb_test "list '${srcfile}:intToChar(char)'" "int intToChar.*"
317 gdb_test "list '${srcfile}':intToChar(char)" "int intToChar.*"
318 gdb_test "list '${srcfile}':'intToChar(char)'" "int intToChar.*"
320 # And with filename and namespace.
322 gdb_test "list ${srcfile}:foo::overloadfnarg(int)" "int foo::overloadfnarg.*}"
323 gdb_test "list ${srcfile}:'foo::overloadfnarg(int)'" "int foo::overloadfnarg.*}"
325 # Now some tests to see how overloading and namespaces interact.
327 gdb_test "print overloadNamespace(1)" ".\[0-9\]* = 1"
328 gdb_test "print overloadNamespace('a')" ".\[0-9\]* = 1"
329 gdb_test "print overloadNamespace(dummyInstance)" ".\[0-9\]* = 2"
332 gdb_test "print K::staticoverload ()" " = 1"
333 gdb_test "print K::staticoverload (2)" " = 2"
334 gdb_test "print K::staticoverload (2, 3)" " = 5"
336 # Namespace-qualified functions.
337 gdb_test "print N::nsoverload ()" " = 1"
338 gdb_test "print N::nsoverload (2)" " = 2"
339 gdb_test "print N::nsoverload (2, 3)" " = 5"
341 # Test "list function" when there are multiple "function" overloads.
343 with_test_prefix "list all overloads" {
344 # Bump up listsize again, to make sure the number of lines to
345 # display before/after each location is computed correctly.
346 gdb_test_no_output "set listsize 10"
348 set line_bar_A [gdb_get_line_number "int bar (A)"]
349 set line_bar_B [gdb_get_line_number "int bar (B)"]
350 set lines1 [line_range_pattern [expr $line_bar_A - 5] [expr $line_bar_A + 4]]
351 set lines2 [line_range_pattern [expr $line_bar_B - 5] [expr $line_bar_B + 4]]
354 set h1_re "file: \"${any}overload.cc\", line number: $line_bar_A, symbol: \"bar\\(A\\)\""
355 set h2_re "file: \"${any}overload.cc\", line number: $line_bar_B, symbol: \"bar\\(B\\)\""
356 gdb_test "list bar" "${h1_re}${lines1}\r\n${h2_re}${lines2}"
359 if ![runto 'XXX::marker2'] then {
360 perror "couldn't run to XXX::marker2"
364 gdb_test "print overloadNamespace(1)" ".\[0-9\]* = 3" "print overloadNamespace(1) in XXX"
365 gdb_test "print overloadNamespace('a')" ".\[0-9\]* = 3" "print overloadNamespace('a') in XXX"
366 gdb_test "print overloadNamespace(dummyInstance)" ".\[0-9\]* = 2" "print overloadNamespace(dummyInstance) in XXX"
368 # One last mysterious test.
369 # I wonder what this is for?
371 gdb_test "print intToChar(1)" "\\$\[0-9\]+ = 297"
373 # Test expression evaluation with overloaded methods
374 gdb_test "print foo::overload1arg" \
375 "non-unique member `overload1arg' requires type instantiation"
377 gdb_test "print foo::overload1arg(char***)" \
378 "no member function matches that type instantiation"
380 gdb_test "print foo::overload1arg(void)" \
381 "\\$$decimal = {int \\(foo \\*( const|)\\)} $hex <foo::overload1arg\\(\\)>"
383 foreach t [list char "signed char" "unsigned char" "short" \
384 "unsigned short" int "unsigned int" long "unsigned long" \
386 gdb_test "print foo::overload1arg($t)" \
387 "\\$$decimal = {int \\(foo \\*( const|), $t\\)} $hex <foo::overload1arg\\($t\\)>"