1# Copyright 1998-2023 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 3 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, see <http://www.gnu.org/licenses/>. 15 16# written by Elena Zannoni (ezannoni@cygnus.com) 17# Rewritten by Michael Chastain <mec.gnu@mindspring.com> 18 19# This file is part of the gdb testsuite 20 21# Tests for overloaded member functions. 22 23set ws "\[\r\n\t \]+" 24set nl "\[\r\n\]+" 25 26 27if { [skip_cplus_tests] } { continue } 28 29standard_testfile .cc 30 31if {[prepare_for_testing "failed to prepare" $testfile $srcfile {debug c++}]} { 32 return -1 33} 34 35# Set it up at a breakpoint so we can play with the variable values. 36 37if {![runto 'marker1']} { 38 continue 39} 40 41# Prevent symbol on address 0x0 being printed. 42gdb_test_no_output "set print symbol off" 43 44gdb_test "up" ".*main.*" "up from marker1" 45 46# Print the monster class type. 47# See virtfunc.exp for a discussion of ptype. 48# 49# This is hairy to begin with. It is even more hairy because of the 50# XX_* alternate patterns to catch the KFAIL and XFAIL cases. 51 52set re_class "((struct|class) foo \{${ws}public:|struct foo \{)" 53set re_fields "int ifoo;${ws}const char ?\\* ?ccpfoo;" 54set XX_fields "int ifoo;${ws}char ?\\* ?ccpfoo;" 55set re_ctor "foo\\(int\\);${ws}foo\\(int, (char const|const char) ?\\*\\);${ws}foo\\(foo ?&\\);" 56set re_dtor "~foo\\((void|)\\);" 57set XX_dtor "~foo\\(int\\);" 58set re_methods "void foofunc\\(int\\);" 59set re_methods "${re_methods}${ws}void foofunc\\(int, signed char ?\\*\\);" 60set re_methods "${re_methods}${ws}int overload1arg\\((void|)\\);" 61set re_methods "${re_methods}${ws}int overload1arg\\(char\\);" 62set re_methods "${re_methods}${ws}int overload1arg\\(signed char\\);" 63set re_methods "${re_methods}${ws}int overload1arg\\(unsigned char\\);" 64set re_methods "${re_methods}${ws}int overload1arg\\(short( int)?\\);" 65set re_methods "${re_methods}${ws}int overload1arg\\((unsigned short|short unsigned)( int)?\\);" 66set re_methods "${re_methods}${ws}int overload1arg\\(int\\);" 67set re_methods "${re_methods}${ws}int overload1arg\\(unsigned int\\);" 68set re_methods "${re_methods}${ws}int overload1arg\\(long( int)?\\);" 69set re_methods "${re_methods}${ws}int overload1arg\\((unsigned long|long unsigned)( int)?\\);" 70set re_methods "${re_methods}${ws}int overload1arg\\(float\\);" 71set re_methods "${re_methods}${ws}int overload1arg\\(double\\);" 72set re_methods "${re_methods}${ws}int overload1arg\\(int \\*\\);" 73set re_methods "${re_methods}${ws}int overload1arg\\(void \\*\\);" 74set re_methods "${re_methods}${ws}int overloadfnarg\\((void|)\\);" 75set re_methods "${re_methods}${ws}int overloadfnarg\\(int\\);" 76set re_methods "${re_methods}${ws}int overloadfnarg\\(int, int ?\\(\\*\\) ?\\(int\\)\\);" 77set re_methods "${re_methods}${ws}int overloadargs\\(int\\);" 78set re_methods "${re_methods}${ws}int overloadargs\\(int, int\\);" 79set re_methods "${re_methods}${ws}int overloadargs\\(int, int, int\\);" 80set re_methods "${re_methods}${ws}int overloadargs\\(int, int, int, int\\);" 81set re_methods "${re_methods}${ws}int overloadargs\\(int, int, int, int, int\\);" 82set re_methods "${re_methods}${ws}int overloadargs\\(int, int, int, int, int, int\\);" 83set re_methods "${re_methods}${ws}int overloadargs\\(int, int, int, int, int, int, int\\);" 84set re_methods "${re_methods}${ws}int overloadargs\\(int, int, int, int, int, int, int, int\\);" 85set re_methods "${re_methods}${ws}int overloadargs\\(int, int, int, int, int, int, int, int, int\\);" 86set re_methods "${re_methods}${ws}int overloadargs\\(int, int, int, int, int, int, int, int, int, int\\);" 87set re_methods "${re_methods}${ws}int overloadargs\\(int, int, int, int, int, int, int, int, int, int, int\\);" 88set re_synth "foo & operator=\\(foo const ?&\\);" 89 90gdb_test "print foo_instance1" "\\$\[0-9\]+ = \{ifoo = 111, ccpfoo = 0x0\}" 91 92gdb_test_multiple "ptype foo_instance1" "ptype foo_instance1" { 93 -re "type = $re_class${ws}$XX_fields${ws}$re_synth${ws}$re_dtor${ws}$re_ctor${ws}$re_methods$nl\}$nl$gdb_prompt $" { 94 # gcc 2.95.3 -gstabs+, no "const" on "const char *" 95 # TODO: gdb.base/constvar.exp has XFAILed this kind of problem for a 96 # long time, but an XFAIL really needs an external bug report. 97 # -- chastain 2003-12-31 98 # setup_xfail "*-*-*" 99 # fail "ptype foo_instance1" 100 # TODO: this should be a KFAIL. 101 pass "ptype foo_instance1 (shorter match)" 102 } 103 -re "type = $re_class${ws}$re_fields${ws}$re_synth${ws}$re_dtor${ws}$re_ctor${ws}$re_methods$nl\}$nl$gdb_prompt $" { 104 # gcc 2.95.3 -gstabs+ if "const char *" ever gets fixed 105 pass "ptype foo_instance1" 106 } 107 -re "type = $re_class${ws}$re_fields${ws}$re_ctor${ws}$XX_dtor${ws}$re_methods$nl\}$nl$gdb_prompt $" { 108 # gcc 3.3.2 -gdwarf-2, "~foo(int)" 109 # TODO: kfail this 110 # kfail "gdb/1113" "ptype foo_instance1" 111 pass "ptype foo_instance1 (shorter match)" 112 } 113 -re "type = $re_class${ws}$re_fields${ws}$re_ctor${ws}$re_dtor${ws}$re_methods$nl\}$nl$gdb_prompt $" { 114 # gcc 3.3.2 -gdwarf-2, if the dtor bug gets fixed 115 # gcc HEAD -gdwarf-2 (abi-2) 116 # TODO: just pass this 117 pass "ptype foo_instance1 (shorter match)" 118 } 119 -re "type = $re_class${ws}$re_fields${ws}$re_synth${ws}$re_ctor${ws}$re_dtor${ws}$re_methods$nl\}$nl$gdb_prompt $" { 120 # gcc 3.3.2 -gstabs+ 121 # TODO: enough with the "shorter match" 122 pass "ptype foo_instance1 (shorter match)" 123 } 124 -re "type = $re_class${ws}$re_fields${ws}$re_ctor${ws}$re_dtor${ws}$re_methods${ws}$re_synth$nl\}$nl$gdb_prompt $" { 125 # gcc HEAD -gstabs+ (abi-2) 126 pass "ptype foo_instance1 (shorter match)" 127 } 128} 129 130# Print variables and method calls. 131# This is a walk in the park. 132 133gdb_test "print foo_instance2" "\\$\[0-9\]+ = \{ifoo = 222, ccpfoo = $hex \"A\"\}" 134gdb_test "print foo_instance3" "\\$\[0-9\]+ = \{ifoo = 222, ccpfoo = $hex \"A\"\}" 135 136gdb_test "print foo_instance1.overloadargs(1)" "\\$\[0-9\]+ = 1" \ 137 "print call overloaded func 1 arg" 138 139# Regression test for overloading with function pointer type. 140gdb_test "print foo_instance1.overloadfnarg(23, intintfunc)" " = 23" 141 142# If GDB fails to restore the selected frame properly after the 143# inferior function call above (see GDB PR 1155 for an explanation of 144# why this might happen), all the subsequent tests will fail. We 145# should detect and report that failure, but let the marker call 146# finish so that the rest of the tests can run undisturbed. 147 148gdb_test_multiple "frame" "re-selected 'main' frame after inferior call" { 149 -re "#0 marker1.*$gdb_prompt $" { 150 setup_kfail "gdb/1155" s390-*-linux-gnu 151 fail "re-selected 'main' frame after inferior call" 152 gdb_test "finish" ".*main.*at .*overload.cc:.*// marker1-returns-here.*" \ 153 "finish call to marker1" 154 } 155 -re "#1 ($hex in )?main.*$gdb_prompt $" { 156 pass "re-selected 'main' frame after inferior call" 157 } 158} 159 160gdb_test "print foo_instance1.overloadargs(1, 2)" \ 161 "\\$\[0-9\]+ = 2" \ 162 "print call overloaded func 2 args" 163 164gdb_test "print foo_instance1.overloadargs(1, 2, 3)" \ 165 "\\$\[0-9\]+ = 3" \ 166 "print call overloaded func 3 args" 167 168gdb_test "print foo_instance1.overloadargs(1, 2, 3, 4)" \ 169 "\\$\[0-9\]+ = 4" \ 170 "print call overloaded func 4 args" 171 172gdb_test "print foo_instance1.overloadargs(1, 2, 3, 4, 5)" \ 173 "\\$\[0-9\]+ = 5" \ 174 "print call overloaded func 5 args" 175 176gdb_test "print foo_instance1.overloadargs(1, 2, 3, 4, 5, 6)" \ 177 "\\$\[0-9\]+ = 6" \ 178 "print call overloaded func 6 args" 179 180gdb_test "print foo_instance1.overloadargs(1, 2, 3, 4, 5, 6, 7)" \ 181 "\\$\[0-9\]+ = 7" \ 182 "print call overloaded func 7 args" 183 184gdb_test "print foo_instance1.overloadargs(1, 2, 3, 4, 5, 6, 7, 8)" \ 185 "\\$\[0-9\]+ = 8" \ 186 "print call overloaded func 8 args" 187 188gdb_test "print foo_instance1.overloadargs(1, 2, 3, 4, 5, 6, 7, 8, 9)" \ 189 "\\$\[0-9\]+ = 9" \ 190 "print call overloaded func 9 args" 191 192gdb_test "print foo_instance1.overloadargs(1, 2, 3, 4, 5, 6, 7, 8, 9, 10)" \ 193 "\\$\[0-9\]+ = 10" \ 194 "print call overloaded func 10 args" 195 196gdb_test "print foo_instance1.overloadargs(1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11)" \ 197 "\\$\[0-9\]+ = 11" \ 198 "print call overloaded func 11 args" 199 200gdb_test "print foo_instance1.overload1arg()" \ 201 "\\$\[0-9\]+ = 1" \ 202 "print call overloaded func void arg" 203 204gdb_test "print foo_instance1.overload1arg((char)arg2)" \ 205 "\\$\[0-9\]+ = 2" \ 206 "print call overloaded func char arg" 207 208gdb_test "print foo_instance1.overload1arg((signed char)arg3)" \ 209 "\\$\[0-9\]+ = 3" \ 210 "print call overloaded func signed char arg" 211 212gdb_test "print foo_instance1.overload1arg((unsigned char)arg4)" \ 213 "\\$\[0-9\]+ = 4" \ 214 "print call overloaded func unsigned char arg" 215 216gdb_test "print foo_instance1.overload1arg((short)arg5)" \ 217 "\\$\[0-9\]+ = 5" \ 218 "print call overloaded func short arg" 219 220gdb_test "print foo_instance1.overload1arg((unsigned short)arg6)" \ 221 "\\$\[0-9\]+ = 6" \ 222 "print call overloaded func unsigned short arg" 223 224gdb_test "print foo_instance1.overload1arg((int)arg7)" \ 225 "\\$\[0-9\]+ = 7" \ 226 "print call overloaded func int arg" 227 228gdb_test "print foo_instance1.overload1arg((unsigned int)arg8)" \ 229 "\\$\[0-9\]+ = 8" \ 230 "print call overloaded func unsigned int arg" 231 232gdb_test "print foo_instance1.overload1arg((long)arg9)" \ 233 "\\$\[0-9\]+ = 9" \ 234 "print call overloaded func long arg" 235 236gdb_test "print foo_instance1.overload1arg((unsigned long)arg10)" \ 237 "\\$\[0-9\]+ = 10" \ 238 "print call overloaded func unsigned long arg" 239 240gdb_test "print foo_instance1.overload1arg((float)arg11)" \ 241 "\\$\[0-9\]+ = 11" \ 242 "print call overloaded func float arg" 243 244gdb_test "print foo_instance1.overload1arg((double)arg12)" \ 245 "\\$\[0-9\]+ = 12" \ 246 "print call overloaded func double arg" 247 248gdb_test "print foo_instance1.overload1arg(&arg13)" \ 249 "\\$\[0-9\]+ = 13" \ 250 "print call overloaded func int\\* arg" 251 252gdb_test "print foo_instance1.overload1arg(&arg14)" \ 253 "\\$\[0-9\]+ = 14" \ 254 "print call overloaded func char\\* arg" 255 256gdb_test "print bar(a)" "= 11" 257gdb_test "print bar(b)" "= 22" 258gdb_test "print bar(c)" "= 22" 259gdb_test "print bar(d)" "= 22" 260 261# PR c++/28901 - gdb thought this was ambiguous. 262gdb_test "print bar2(e, b)" " = 33" 263 264# --- 265 266# List overloaded functions. 267 268gdb_test_no_output "set listsize 1" "" 269 270# Build source listing pattern based on an inclusive line range. 271 272proc line_range_pattern { range_start range_end } { 273 global line_re 274 275 for {set i $range_start} {$i <= $range_end} {incr i} { 276 append pattern "\r\n$i\[ \t\]\[^\r\n\]*" 277 } 278 279 verbose -log "pattern $pattern" 280 return $pattern 281} 282 283# The void case is tricky because some compilers say "(void)" 284# and some compilers say "()". 285 286gdb_test_multiple "info func overloadfnarg" "list overloaded function with no args" { 287 -re ".*overloadfnarg\\(void\\).*$gdb_prompt $" { 288 # gcc 2 289 gdb_test "list foo::overloadfnarg(void)"\ 290 ".*int foo::overloadfnarg.*\\(void\\).*" \ 291 "list overloaded function with no args" 292 } 293 -re ".*overloadfnarg\\(\\).*$gdb_prompt $" { 294 # gcc 3 295 gdb_test "list foo::overloadfnarg()"\ 296 ".*int foo::overloadfnarg.*\\(void\\).*" \ 297 "list overloaded function with no args" 298 } 299} 300 301gdb_test "list foo::overloadfnarg(int)" \ 302 "int foo::overloadfnarg.*\\(int arg\\).*" \ 303 "list overloaded function with int arg" 304 305gdb_test "list foo::overloadfnarg(int, int (*)(int))" \ 306 "int foo::overloadfnarg.*\\(int arg, int \\(\\*foo\\) \\(int\\)\\).*" \ 307 "list overloaded function with function ptr args" 308 309gdb_test "list \"foo::overloadfnarg(int, int (*)(int))\"" \ 310 "int foo::overloadfnarg.*\\(int arg, int \\(\\*foo\\) \\(int\\)\\).*" \ 311 "list overloaded function with function ptr args - quotes around argument" 312 313# Test list with filename. 314 315gdb_test "list ${srcfile}:intToChar" "int intToChar.*" 316gdb_test "list ${srcfile}:intToChar(char)" "int intToChar.*" 317gdb_test "list ${srcfile}:'intToChar(char)'" "int intToChar.*" 318gdb_test "list '${srcfile}:intToChar(char)'" "int intToChar.*" 319gdb_test "list '${srcfile}':intToChar(char)" "int intToChar.*" 320gdb_test "list '${srcfile}':'intToChar(char)'" "int intToChar.*" 321 322# And with filename and namespace. 323 324gdb_test "list ${srcfile}:foo::overloadfnarg(int)" "int foo::overloadfnarg.*}" 325gdb_test "list ${srcfile}:'foo::overloadfnarg(int)'" "int foo::overloadfnarg.*}" 326 327# Now some tests to see how overloading and namespaces interact. 328 329gdb_test "print overloadNamespace(1)" ".\[0-9\]* = 1" 330gdb_test "print overloadNamespace('a')" ".\[0-9\]* = 1" 331gdb_test "print overloadNamespace(dummyInstance)" ".\[0-9\]* = 2" 332 333# Static methods. 334gdb_test "print K::staticoverload ()" " = 1" 335gdb_test "print K::staticoverload (2)" " = 2" 336gdb_test "print K::staticoverload (2, 3)" " = 5" 337 338# Namespace-qualified functions. 339gdb_test "print N::nsoverload ()" " = 1" 340gdb_test "print N::nsoverload (2)" " = 2" 341gdb_test "print N::nsoverload (2, 3)" " = 5" 342 343# Test "list function" when there are multiple "function" overloads. 344 345with_test_prefix "list all overloads" { 346 # Bump up listsize again, to make sure the number of lines to 347 # display before/after each location is computed correctly. 348 gdb_test_no_output "set listsize 10" 349 350 set line_bar_A [gdb_get_line_number "int bar (A)"] 351 set line_bar_B [gdb_get_line_number "int bar (B)"] 352 set lines1 [line_range_pattern [expr $line_bar_A - 5] [expr $line_bar_A + 4]] 353 set lines2 [line_range_pattern [expr $line_bar_B - 5] [expr $line_bar_B + 4]] 354 355 set any "\[^\r\n\]*" 356 set h1_re "file: \"${any}overload.cc\", line number: $line_bar_A, symbol: \"bar\\(A\\)\"" 357 set h2_re "file: \"${any}overload.cc\", line number: $line_bar_B, symbol: \"bar\\(B\\)\"" 358 gdb_test "list bar" "${h1_re}${lines1}\r\n${h2_re}${lines2}" 359} 360 361if {![runto 'XXX::marker2']} { 362 continue 363} 364 365gdb_test "print overloadNamespace(1)" ".\[0-9\]* = 3" "print overloadNamespace(1) in XXX" 366gdb_test "print overloadNamespace('a')" ".\[0-9\]* = 3" "print overloadNamespace('a') in XXX" 367gdb_test "print overloadNamespace(dummyInstance)" ".\[0-9\]* = 2" "print overloadNamespace(dummyInstance) in XXX" 368 369# One last mysterious test. 370# I wonder what this is for? 371 372gdb_test "print intToChar(1)" "\\$\[0-9\]+ = 297" 373 374# Test expression evaluation with overloaded methods 375gdb_test "print foo::overload1arg" \ 376 "non-unique member `overload1arg' requires type instantiation" 377 378gdb_test "print foo::overload1arg(char***)" \ 379 "no member function matches that type instantiation" 380 381gdb_test "print foo::overload1arg(void)" \ 382 "\\$$decimal = {int \\(foo \\*( const|)\\)} $hex <foo::overload1arg\\(\\)>" 383 384foreach t [list char "signed char" "unsigned char" "short" \ 385 "unsigned short" int "unsigned int" long "unsigned long" \ 386 float double] { 387 gdb_test "print foo::overload1arg($t)" \ 388 "\\$$decimal = {int \\(foo \\*( const|), $t\\)} $hex <foo::overload1arg\\($t\\)>" 389} 390