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#!/usr/bin/perl
#
# 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 2 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 <https://www.gnu.org/licenses/>.
use strict;
use warnings;
use Test::More;
use Test::Dpkg qw(:needs);
use Config;
test_needs_command('c++filt');
if (defined $Config{bin_ELF} && $Config{bin_ELF} eq 'define') {
plan tests => 124;
} else {
plan skip_all => 'only ELF is currently supported';
}
use_ok('Dpkg::Shlibs::Cppfilt');
# Simple C++ demangling tests
is ( cppfilt_demangle_cpp('_ZNSt10istrstreamC1EPKcl'),
'std::istrstream::istrstream(char const*, long)',
'demangle symbol' );
is ( cppfilt_demangle_cpp('_ZNSt10istrstreamC1EPKcl@Base'),
'std::istrstream::istrstream(char const*, long)@Base',
'demangle symbol with extra postfix' );
is ( cppfilt_demangle_cpp('foobar _ZNSt10istrstreamC1EPKcl@Base'),
'foobar std::istrstream::istrstream(char const*, long)@Base',
'demangle symbol with garbage around it' );
is ( cppfilt_demangle_cpp('FoobarInvalidSymbol'), undef,
'non-demanglable string' );
# Mass C++ demangling. Checking if c++filt does not hang and cppfilt_demangle()
# immediately provides a correct answer to the caller (i.e. no buffering).
my @mangledtext = split(/\n+/s, <<'END');
0000000000000000 DF *UND* 0000000000000000 GCC_3.0 _Unwind_SetIP
0000000000000000 DF *UND* 0000000000000000 GLIBC_2.2.5 __towlower_l
0000000000000000 DO *UND* 0000000000000000 GLIBC_2.2.5 stdout
0000000000000000 DF *UND* 0000000000000000 GLIBC_2.2.5 wmemset
0000000000000000 DF *UND* 0000000000000000 GLIBC_2.2.5 fflush
0000000000000000 DF *UND* 0000000000000000 GLIBC_2.2.5 getc
0000000000000000 w D *UND* 0000000000000000 pthread_join
00000000000cfc22 g DO .rodata 0000000000000001 GLIBCXX_3.4 _ZNSt14numeric_limitsIyE17has_signaling_NaNE
0000000000088d80 w DF .text 0000000000000064 GLIBCXX_3.4 _ZNSt11__timepunctIcEC2Em
00000000002f40a0 w DO .data.rel.ro 0000000000000020 GLIBCXX_3.4 _ZTTSt14basic_ifstreamIwSt11char_traitsIwEE
000000000005a5f0 g DF .text 0000000000000063 GLIBCXX_3.4.11 _ZNVSt9__atomic011atomic_flag5clearESt12memory_order
00000000000bdc20 w DF .text 0000000000000024 GLIBCXX_3.4 _ZNSbIwSt11char_traitsIwESaIwEEC1EPKwmRKS1_
0000000000063850 g DF .text 0000000000000062 GLIBCXX_3.4 _ZNSt5ctypeIwED2Ev
00000000000898b0 w DF .text 0000000000000255 GLIBCXX_3.4 _ZNKSt8time_putIcSt19ostreambuf_iteratorIcSt11char_traitsIcEEE3putES3_RSt8ios_basecPK2tmPKcSB_
00000000000bff30 g DF .text 0000000000000019 _ZNSt18condition_variable10notify_oneEv@GLIBCXX_3.4.11
00000000000666a0 g DF .text 000000000000003f _ZNKSt3tr14hashIRKSbIwSt11char_traitsIwESaIwEEEclES6_@GLIBCXX_3.4.10
00000000002f6160 w DO .data.rel.ro 0000000000000050 _ZTTSt18basic_stringstreamIcSt11char_traitsIcESaIcEE@GLIBCXX_3.4
END
my @demangledtext = split(/\n+/s, <<'END');
0000000000000000 DF *UND* 0000000000000000 GCC_3.0 _Unwind_SetIP
0000000000000000 DF *UND* 0000000000000000 GLIBC_2.2.5 __towlower_l
0000000000000000 DO *UND* 0000000000000000 GLIBC_2.2.5 stdout
0000000000000000 DF *UND* 0000000000000000 GLIBC_2.2.5 wmemset
0000000000000000 DF *UND* 0000000000000000 GLIBC_2.2.5 fflush
0000000000000000 DF *UND* 0000000000000000 GLIBC_2.2.5 getc
0000000000000000 w D *UND* 0000000000000000 pthread_join
00000000000cfc22 g DO .rodata 0000000000000001 GLIBCXX_3.4 std::numeric_limits<unsigned long long>::has_signaling_NaN
0000000000088d80 w DF .text 0000000000000064 GLIBCXX_3.4 std::__timepunct<char>::__timepunct(unsigned long)
00000000002f40a0 w DO .data.rel.ro 0000000000000020 GLIBCXX_3.4 VTT for std::basic_ifstream<wchar_t, std::char_traits<wchar_t> >
000000000005a5f0 g DF .text 0000000000000063 GLIBCXX_3.4.11 std::__atomic0::atomic_flag::clear(std::memory_order) volatile
00000000000bdc20 w DF .text 0000000000000024 GLIBCXX_3.4 std::basic_string<wchar_t, std::char_traits<wchar_t>, std::allocator<wchar_t> >::basic_string(wchar_t const*, unsigned long, std::allocator<wchar_t> const&)
0000000000063850 g DF .text 0000000000000062 GLIBCXX_3.4 std::ctype<wchar_t>::~ctype()
00000000000898b0 w DF .text 0000000000000255 GLIBCXX_3.4 std::time_put<char, std::ostreambuf_iterator<char, std::char_traits<char> > >::put(std::ostreambuf_iterator<char, std::char_traits<char> >, std::ios_base&, char, tm const*, char const*, char const*) const
00000000000bff30 g DF .text 0000000000000019 std::condition_variable::notify_one()@GLIBCXX_3.4.11
00000000000666a0 g DF .text 000000000000003f std::tr1::hash<std::basic_string<wchar_t, std::char_traits<wchar_t>, std::allocator<wchar_t> > const&>::operator()(std::basic_string<wchar_t, std::char_traits<wchar_t>, std::allocator<wchar_t> > const&) const@GLIBCXX_3.4.10
00000000002f6160 w DO .data.rel.ro 0000000000000050 VTT for std::basic_stringstream<char, std::char_traits<char>, std::allocator<char> >@GLIBCXX_3.4
END
for my $try (1 .. 7) {
for my $i (0 .. $#mangledtext) {
my $demangled = cppfilt_demangle_cpp($mangledtext[$i]) || $mangledtext[$i];
is($demangled, $demangledtext[$i], "mass c++ demangling (${try}x" . (${i} + 1) . ')');
}
}
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