# Copyright 1992-2021 Free Software Foundation, Inc. # This program is free software; you can redistribute it and/or modify # it under the terms of the GNU General Public License as published by # the Free Software Foundation; either version 3 of the License, or # (at your option) any later version. # # This program is distributed in the hope that it will be useful, # but WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the # GNU General Public License for more details. # # You should have received a copy of the GNU General Public License # along with this program. If not, see . # This file was written by Fred Fish. (fnf@cygnus.com) # Adapted for g++ 3.0 ABI by Michael Chastain. (chastain@redhat.com) if { [skip_cplus_tests] } { continue } standard_testfile .cc if { [get_compiler_info "c++"] } { return -1 } if {[prepare_for_testing "failed to prepare" $testfile $srcfile {debug c++}]} { return -1 } # # g++ changed its ABI between 2.95 and 3.0. gdb has two demanglers # for the two different styles. The two demanglers have some subtle # discrepancies in their output. # # old demangler new demangler # --- --------- --- --------- # "operator, " "operator," # "char *" "char*" # "int *" "int*" # "long *" "long*" # "void *" "void*" # "foo &" "foo&" # "unsigned int" "unsigned" # "void" "" # # I probe for the forms in use. # The defaults are for the v3 demangler (as of 2001-02-13). # set dm_operator_comma "," set dm_type_char_star "char*" set dm_type_char_star_quoted "char\\*" set dm_type_foo_ref "foo&" set dm_type_int_star "int*" set dm_type_long_star "long*" set dm_type_unsigned_int "unsigned" set dm_type_void "void" set dm_type_void_star "void*" # Some other vagaries of GDB's type printing machinery. The integer types # may have unsigned before or after their length, and may have "int" # appended. The char* conversion operator may have name "char*" even if # the type is "char *", because the name comes from the debug information # and the type from GDB. Function types may not see through typedefs. set dm_type_short "short" set dm_type_long "long" set dm_type_unsigned_short "unsigned short" set dm_type_unsigned_long "unsigned long" set dm_operator_char_star "char*" set dm_operator_char_star_quoted "char\\*" set dm_type_typedef 0 proc probe_demangler { } { global gdb_prompt global dm_operator_comma global dm_operator_char_star global dm_operator_char_star_quoted global dm_type_char_star global dm_type_char_star_quoted global dm_type_foo_ref global dm_type_int_star global dm_type_long_star global dm_type_unsigned_int global dm_type_void global dm_type_void_star global dm_type_short global dm_type_unsigned_short global dm_type_long global dm_type_unsigned_long global dm_type_typedef gdb_test_multiple "print &foo::operator,(foo&)" \ "detect dm_operator_comma" { -re ".*foo::operator, \\(.*foo.*&.*\\).*\r\n$gdb_prompt $" { # v2 demangler set dm_operator_comma ", " pass "detect dm_operator_comma" } -re ".*foo::operator,\\(.*foo.*&.*\\).*\r\n$gdb_prompt $" { # v3 demangler pass "detect dm_operator_comma" } } gdb_test_multiple "print &foo::operator char*($dm_type_void)" \ "detect dm_operator_char_star" { -re ".*foo::operator char \\*\\(void\\).*\r\n$gdb_prompt $" { # v2 demangler or GDB type printer set dm_operator_char_star "char *" set dm_operator_char_star_quoted "char \\*" pass "detect dm_operator_char_star" } -re ".*foo::operator char\\*\\(\\).*\r\n$gdb_prompt $" { # v3 demangler pass "detect dm_operator_char_star" } } gdb_test_multiple "print &dm_type_char_star" \ "detect dm_type_char_star" { -re ".*dm_type_char_star\\(char \\*\\).*\r\n$gdb_prompt $" { # v2 demangler set dm_type_char_star "char *" set dm_type_char_star_quoted "char \\*" pass "detect dm_type_char_star" } -re ".*dm_type_char_star\\(char\\*\\).*\r\n$gdb_prompt $" { # v3 demangler pass "detect dm_type_char_star" } } gdb_test_multiple "print &dm_type_foo_ref" \ "detect dm_type_foo_ref" { -re ".*dm_type_foo_ref\\(foo &\\).*\r\n$gdb_prompt $" { # v2 demangler set dm_type_foo_ref "foo &" pass "detect dm_type_foo_ref" } -re ".*dm_type_foo_ref\\(foo&\\).*\r\n$gdb_prompt $" { # v3 demangler pass "detect dm_type_foo_ref" } } gdb_test_multiple "print &dm_type_int_star" \ "detect dm_type_int_star" { -re ".*dm_type_int_star\\(int \\*\\).*\r\n$gdb_prompt $" { # v2 demangler set dm_type_int_star "int *" pass "detect dm_type_int_star" } -re ".*dm_type_int_star\\(int\\*\\).*\r\n$gdb_prompt $" { # v3 demangler pass "detect dm_type_int_star" } } gdb_test_multiple "print &dm_type_long_star" \ "detect dm_type_long_star" { -re ".*dm_type_long_star\\(long \\*\\).*\r\n$gdb_prompt $" { # v2 demangler set dm_type_long_star "long *" pass "detect dm_type_long_star" } -re ".*dm_type_long_star\\(long\\*\\).*\r\n$gdb_prompt $" { # v3 demangler pass "detect dm_type_long_star" } -re ".*dm_type_long_star\\(long int \\*\\).*\r\n$gdb_prompt $" { # GCC v3 and GDB's type printer set dm_type_long_star "long int *" pass "detect dm_type_long_star" } } gdb_test_multiple "print &dm_type_unsigned_int" \ "detect dm_type_unsigned_int" { -re ".*dm_type_unsigned_int\\(unsigned int\\).*\r\n$gdb_prompt $" { # v2 demangler set dm_type_unsigned_int "unsigned int" pass "detect dm_type_unsigned_int" } -re ".*dm_type_unsigned_int\\(unsigned\\).*\r\n$gdb_prompt $" { # v3 demangler pass "detect dm_type_unsigned_int" } } gdb_test_multiple "print &dm_type_void" \ "detect dm_type_void" { -re ".*dm_type_void\\(void\\).*\r\n$gdb_prompt $" { # v2 demangler set dm_type_void "void" pass "detect dm_type_void" } -re ".*dm_type_void\\(\\).*\r\n$gdb_prompt $" { # v3 demangler pass "detect dm_type_void" } } gdb_test_multiple "print &dm_type_void_star" \ "detect dm_type_void_star" { -re ".*dm_type_void_star\\(void \\*\\).*\r\n$gdb_prompt $" { # v2 demangler set dm_type_void_star "void *" pass "detect dm_type_void_star" } -re ".*dm_type_void_star\\(void\\*\\).*\r\n$gdb_prompt $" { # v3 demangler pass "detect dm_type_void_star" } } gdb_test_multiple "print &dm_type_short" \ "detect dm_type_short" { -re ".*dm_type_short\\(short\\).*\r\n$gdb_prompt $" { # v2 and v3 demanglers pass "detect dm_type_short" } -re ".*dm_type_short\\(short int\\).*\r\n$gdb_prompt $" { # GDB type printer set dm_type_short "short int" pass "detect dm_type_short" } } gdb_test_multiple "print &dm_type_unsigned_short" \ "detect dm_type_unsigned_short" { -re ".*dm_type_unsigned_short\\(unsigned short\\).*\r\n$gdb_prompt $" { # v2 and v3 demanglers pass "detect dm_type_unsigned_short" } -re ".*dm_type_unsigned_short\\(short unsigned int\\).*\r\n$gdb_prompt $" { # GDB type printer set dm_type_unsigned_short "short unsigned int" pass "detect dm_type_unsigned_short" } } gdb_test_multiple "print &dm_type_long" \ "detect dm_type_long" { -re ".*dm_type_long\\(long\\).*\r\n$gdb_prompt $" { # v2 and v3 demanglers pass "detect dm_type_long" } -re ".*dm_type_long\\(long int\\).*\r\n$gdb_prompt $" { # GDB type printer set dm_type_long "long int" pass "detect dm_type_long" } } gdb_test_multiple "print &dm_type_unsigned_long" \ "detect dm_type_unsigned_long" { -re ".*dm_type_unsigned_long\\(unsigned long\\).*\r\n$gdb_prompt $" { # v2 and v3 demanglers pass "detect dm_type_unsigned_long" } -re ".*dm_type_unsigned_long\\(long unsigned int\\).*\r\n$gdb_prompt $" { # GDB type printer set dm_type_unsigned_long "long unsigned int" pass "detect dm_type_unsigned_long" } } gdb_test_multiple "print &dm_type_typedef" \ "detect dm_type_typedef" { -re ".*dm_type_typedef\\(int\\).*\r\n$gdb_prompt $" { # v2 and v3 demanglers pass "detect dm_type_typedef" } -re ".*dm_type_typedef\\(myint\\).*\r\n$gdb_prompt $" { # GDB type printer set dm_type_typedef 1 pass "detect dm_type_typedef" } } } # # Lookup a specific C++ function and print the demangled type. # This form accepts the demangled type as a regexp. # proc info_func_regexp { name demangled } { global gdb_prompt regsub {\\\(void\\\)} $demangled {\(\)} demangled gdb_test "info function $name" \ "File .*:\t(class|)${demangled}.*" \ "info function for \"$name\"" } # # Lookup a specific C++ function and print the demangled type. # This form accepts the demangled type as a literal string. # proc info_func { name demangled } { info_func_regexp "$name" [string_to_regexp "$demangled"] } # # Print the address of a function. # This checks that I can lookup a fully qualified C++ function. # This also checks the argument types on the return string. # Note: carlton/2003-01-16: If you modify this, make a corresponding # modification to print_addr_2_kfail. proc print_addr_2 { name good } { global gdb_prompt global hex set good_pattern [string_to_regexp $good] gdb_test "print &$name" \ ".* = .* $hex <$good_pattern>" } # NOTE: carlton/2003-01-16: hairyfunc5-6 fail on GCC 3.x (for at least # x=1 and x=2.1). So I'm modifying print_addr_2 to accept a failure # condition. FIXME: It would be nice if the failure condition were # conditional on the compiler version, but I'm not sufficiently # motivated. I did hardwire in the versions of char * and int *, # which will give some compiler-specificity to the failure. proc print_addr_2_kfail { name good bad bugid } { global gdb_prompt global hex set good_pattern [string_to_regexp $good] set bad_pattern [string_to_regexp $bad] gdb_test_multiple "print &$name" "print &$name" { -re ".* = .* $hex <$good_pattern>\r\n$gdb_prompt $" { pass "print &$name" } -re ".* = .* $hex <$bad_pattern>\r\n$gdb_prompt $" { kfail $bugid "print &$name" } } } # # Simple interfaces to print_addr_2. # proc print_addr { name } { regsub {\(void\)} $name {()} expected if {[string first "::" $name] == -1} { # C function -- must be qutoed set name "'$name'" } print_addr_2 "$name" $expected } # # Test name demangling for operators. # # The '(' at the end of each regex input pattern is so that we match only # the one we are looking for. I.E. "operator&" would match both # "operator&(foo &)" and "operator&&(foo &)". # # gdb-gnats bug gdb/18: # "gdb can't parse "info func operator*" or "info func operator\*". # The star in "operator*" is interpreted as a regexp, but the "\*" # in "operator\*" is not a legal operator. # proc test_lookup_operator_functions {} { global dm_operator_comma global dm_operator_char_star global dm_type_char_star global dm_operator_char_star_quoted global dm_type_foo_ref global dm_type_void global dm_type_void_star # operator* requires quoting so that GDB does not treat it as a regexp. info_func "operator\\*(" "void foo::operator*($dm_type_foo_ref);" info_func "operator%(" "void foo::operator%($dm_type_foo_ref);" info_func "operator-(" "void foo::operator-($dm_type_foo_ref);" info_func "operator>>(" "void foo::operator>>($dm_type_foo_ref);" info_func "operator!=(" "void foo::operator!=($dm_type_foo_ref);" info_func "operator>(" "void foo::operator>($dm_type_foo_ref);" info_func "operator>=(" "void foo::operator>=($dm_type_foo_ref);" info_func "operator|(" "void foo::operator|($dm_type_foo_ref);" info_func "operator&&(" "void foo::operator&&($dm_type_foo_ref);" info_func "operator!(" "void foo::operator!($dm_type_void);" info_func "operator++(" "void foo::operator++(int);" info_func "operator=(" "void foo::operator=($dm_type_foo_ref);" info_func "operator+=(" "void foo::operator+=($dm_type_foo_ref);" # operator*= requires quoting so that GDB does not treat it as a regexp. info_func "operator\\*=(" "void foo::operator*=($dm_type_foo_ref);" info_func "operator%=(" "void foo::operator%=($dm_type_foo_ref);" info_func "operator>>=(" "void foo::operator>>=($dm_type_foo_ref);" info_func "operator|=(" "void foo::operator|=($dm_type_foo_ref);" info_func "operator$dm_operator_comma\(" \ "void foo::operator$dm_operator_comma\($dm_type_foo_ref);" info_func "operator/(" "void foo::operator/($dm_type_foo_ref);" info_func "operator+(" "void foo::operator+($dm_type_foo_ref);" info_func "operator<<(" "void foo::operator<<($dm_type_foo_ref);" info_func "operator==(" "void foo::operator==($dm_type_foo_ref);" info_func "operator<(" "void foo::operator<($dm_type_foo_ref);" info_func "operator<=(" "void foo::operator<=($dm_type_foo_ref);" info_func "operator&(" "void foo::operator&($dm_type_foo_ref);" info_func "operator^(" "void foo::operator^($dm_type_foo_ref);" info_func "operator||(" "void foo::operator||($dm_type_foo_ref);" info_func "operator~(" "void foo::operator~($dm_type_void);" info_func "operator--(" "void foo::operator--(int);" info_func "operator->(" "foo *foo::operator->($dm_type_void);" info_func "operator-=(" "void foo::operator-=($dm_type_foo_ref);" info_func "operator/=(" "void foo::operator/=($dm_type_foo_ref);" info_func "operator<<=(" "void foo::operator<<=($dm_type_foo_ref);" info_func "operator&=(" "void foo::operator&=($dm_type_foo_ref);" info_func "operator^=(" "void foo::operator^=($dm_type_foo_ref);" # operator->* requires quoting so that GDB does not treat it as a regexp. info_func "operator->\\*(" "void foo::operator->*($dm_type_foo_ref);" # operator[] needs double backslashes, so that a single backslash # will be sent to GDB, preventing the square brackets from being # evaluated as a regular expression. info_func "operator\\\[\\\](" "void foo::operator\[\]($dm_type_foo_ref);" # These are gnarly because they might end with 'static'. set dm_type_void_star_regexp [string_to_regexp $dm_type_void_star] info_func_regexp "operator new(" "void \\*foo::operator new\\(.*\\)(| static);" info_func_regexp "operator delete(" "void foo::operator delete\\($dm_type_void_star_regexp\\)(| static);" info_func "operator int(" "int foo::operator int($dm_type_void);" info_func "operator()(" "void foo::operator()($dm_type_foo_ref);" info_func "operator $dm_operator_char_star_quoted\(" \ "char *foo::operator $dm_operator_char_star\($dm_type_void);" } proc test_paddr_operator_functions {} { global hex global dm_operator_comma global dm_type_char_star global dm_type_foo_ref global dm_type_long_star global dm_type_unsigned_int global dm_type_void global dm_type_void_star global dm_operator_char_star print_addr "foo::operator*($dm_type_foo_ref)" print_addr "foo::operator%($dm_type_foo_ref)" print_addr "foo::operator-($dm_type_foo_ref)" print_addr "foo::operator>>($dm_type_foo_ref)" print_addr "foo::operator!=($dm_type_foo_ref)" print_addr "foo::operator>($dm_type_foo_ref)" print_addr "foo::operator>=($dm_type_foo_ref)" print_addr "foo::operator|($dm_type_foo_ref)" print_addr "foo::operator&&($dm_type_foo_ref)" print_addr "foo::operator!($dm_type_void)" print_addr "foo::operator++(int)" print_addr "foo::operator=($dm_type_foo_ref)" print_addr "foo::operator+=($dm_type_foo_ref)" print_addr "foo::operator*=($dm_type_foo_ref)" print_addr "foo::operator%=($dm_type_foo_ref)" print_addr "foo::operator>>=($dm_type_foo_ref)" print_addr "foo::operator|=($dm_type_foo_ref)" print_addr "foo::operator$dm_operator_comma\($dm_type_foo_ref)" print_addr "foo::operator/($dm_type_foo_ref)" print_addr "foo::operator+($dm_type_foo_ref)" print_addr "foo::operator<<($dm_type_foo_ref)" print_addr "foo::operator==($dm_type_foo_ref)" print_addr "foo::operator<($dm_type_foo_ref)" print_addr "foo::operator<=($dm_type_foo_ref)" print_addr "foo::operator&($dm_type_foo_ref)" print_addr "foo::operator^($dm_type_foo_ref)" print_addr "foo::operator||($dm_type_foo_ref)" print_addr "foo::operator~($dm_type_void)" print_addr "foo::operator--(int)" print_addr "foo::operator->($dm_type_void)" print_addr "foo::operator-=($dm_type_foo_ref)" print_addr "foo::operator/=($dm_type_foo_ref)" print_addr "foo::operator<<=($dm_type_foo_ref)" print_addr "foo::operator&=($dm_type_foo_ref)" print_addr "foo::operator^=($dm_type_foo_ref)" print_addr "foo::operator->*($dm_type_foo_ref)" print_addr "foo::operator\[\]($dm_type_foo_ref)" print_addr "foo::operator()($dm_type_foo_ref)" gdb_test "print &foo::operator new" \ " = .* $hex " gdb_test "print &foo::operator new\[\]" \ " = .* $hex " print_addr "foo::operator delete($dm_type_void_star)" print_addr "foo::operator delete[]($dm_type_void_star)" print_addr "foo::operator int($dm_type_void)" print_addr "foo::operator $dm_operator_char_star\($dm_type_void)" } # # Test overloaded functions (1 arg). # proc test_paddr_overloaded_functions {} { global dm_type_unsigned_int global dm_type_void global dm_type_short global dm_type_unsigned_short global dm_type_long global dm_type_unsigned_long print_addr "overload1arg($dm_type_void)" print_addr "overload1arg(char)" print_addr "overload1arg(signed char)" print_addr "overload1arg(unsigned char)" print_addr "overload1arg($dm_type_short)" print_addr "overload1arg($dm_type_unsigned_short)" print_addr "overload1arg(int)" print_addr "overload1arg($dm_type_unsigned_int)" print_addr "overload1arg($dm_type_long)" print_addr "overload1arg($dm_type_unsigned_long)" print_addr "overload1arg(float)" print_addr "overload1arg(double)" print_addr "overloadargs(int)" print_addr "overloadargs(int, int)" print_addr "overloadargs(int, int, int)" print_addr "overloadargs(int, int, int, int)" print_addr "overloadargs(int, int, int, int, int)" print_addr "overloadargs(int, int, int, int, int, int)" print_addr "overloadargs(int, int, int, int, int, int, int)" print_addr "overloadargs(int, int, int, int, int, int, int, int)" print_addr "overloadargs(int, int, int, int, int, int, int, int, int)" print_addr "overloadargs(int, int, int, int, int, int, int, int, int, int)" print_addr "overloadargs(int, int, int, int, int, int, int, int, int, int, int)" } proc test_paddr_hairy_functions {} { global gdb_prompt global hex global dm_type_char_star global dm_type_int_star global dm_type_long_star global dm_type_typedef print_addr_2 "hairyfunc1" "hairyfunc1(int)" if {$dm_type_typedef == 0} { print_addr_2 "hairyfunc2" "hairyfunc2(int (*)($dm_type_char_star))" print_addr_2 "hairyfunc3" "hairyfunc3(int (*)(short (*)($dm_type_long_star)))" print_addr_2 "hairyfunc4" "hairyfunc4(int (*)(short (*)($dm_type_char_star)))" # gdb-gnats bug gdb/19: # "gdb v3 demangler fails on hairyfunc5 hairyfunc6 hairyfunc7" print_addr_2_kfail "hairyfunc5" "hairyfunc5(int (*(*)($dm_type_char_star))(long))" "hairyfunc5(int (*)(long) (*)(char*))" "gdb/19" print_addr_2_kfail "hairyfunc6" "hairyfunc6(int (*(*)($dm_type_int_star))(long))" "hairyfunc6(int (*)(long) (*)(int*))" "gdb/19" print_addr_2_kfail "hairyfunc7" "hairyfunc7(int (*(*)(int (*)($dm_type_char_star)))(long))" "hairyfunc7(int (*)(long) (*)(int (*)(char*)))" "gdb/19" } else { print_addr_2 "hairyfunc2" "hairyfunc2(PFPc_i)" print_addr_2 "hairyfunc3" "hairyfunc3(PFPFPl_s_i)" print_addr_2 "hairyfunc4" "hairyfunc4(PFPFPc_s_i)" # gdb-gnats bug gdb/19: # "gdb v3 demangler fails on hairyfunc5 hairyfunc6 hairyfunc7" print_addr_2 "hairyfunc5" "hairyfunc5(PFPc_PFl_i)" print_addr_2 "hairyfunc6" "hairyfunc6(PFPi_PFl_i)" print_addr_2 "hairyfunc7" "hairyfunc7(PFPFPc_i_PFl_i)" } } proc do_tests {} { global binfile global dm_type_int_star clean_restart $binfile gdb_test_no_output "set width 0" runto_main gdb_test_no_output "set language c++" probe_demangler test_paddr_overloaded_functions test_paddr_operator_functions test_paddr_hairy_functions test_lookup_operator_functions # A regression test on errors involving operators gdb_test "list foo::operator $dm_type_int_star" \ "Function \"foo::operator [string_to_regexp $dm_type_int_star]\" not defined\\." } do_tests