Make libsupc++ build as a shared library and make libstdc++ a filter library

for it.

This allows people to swap out libsupc++ for libcxxrt easily, so we can begin
the libstdc++ -> libc++ migration.

Approved by:	dim (mentor)
This commit is contained in:
David Chisnall 2012-03-31 14:25:12 +00:00
parent 3e1745a769
commit cf56074e52
Notes: svn2git 2020-12-20 02:59:44 +00:00
svn path=/head/; revision=233749
3 changed files with 144 additions and 2 deletions

View File

@ -25,7 +25,7 @@ CXXFLAGS+= -fno-implicit-templates -ffunction-sections -fdata-sections \
PO_CXXFLAGS= ${CXXFLAGS:N-ffunction-sections}
DPADD= ${LIBM}
LDADD= -lm
LDADD= -lm -Wl,-f,libsupc++.so.1
# libstdc++ sources
SRCS+= bitmap_allocator.cc pool_allocator.cc \

View File

@ -7,8 +7,8 @@ SRCDIR= ${.CURDIR}/../../../contrib/libstdc++/libsupc++
.PATH: ${SRCDIR} ${GCCLIB}/libiberty
# Static only.
LIB= supc++
SHLIB_MAJOR=1
SRCS+= del_op.cc del_opnt.cc del_opv.cc del_opvnt.cc eh_alloc.cc eh_arm.cc \
eh_aux_runtime.cc eh_call.cc eh_catch.cc eh_exception.cc eh_globals.cc \
eh_personality.cc eh_term_handler.cc eh_terminate.cc eh_throw.cc \
@ -36,4 +36,9 @@ unwind.h: ${GCCDIR}/unwind-generic.h
SRCS+= unwind.h
CLEANFILES+= unwind.h
# Symbol versioning
VERSION_MAP= ${.CURDIR}/Version.map
.include <bsd.lib.mk>

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@ -0,0 +1,137 @@
## Linker script for GNU versioning (GNU ld 2.13.91+ only.)
##
## Copyright (C) 2002, 2003, 2004, 2005, 2006, 2007
## Free Software Foundation, Inc.
##
## This file is part of the GNU ISO C++ Library. This library 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, or (at your option)
## any later version.
##
## This library 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 library; see the file COPYING. If not, write to the Free
## Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
## USA.
## $FreeBSD$
# Symbols in the support library (libsupc++) have their own tag.
CXXABI_1.3 {
global:
__cxa_allocate_exception;
__cxa_bad_cast;
__cxa_bad_typeid;
__cxa_begin_catch;
__cxa_begin_cleanup;
__cxa_call_unexpected;
__cxa_current_exception_type;
__cxa_demangle;
__cxa_end_catch;
__cxa_end_cleanup;
__cxa_free_exception;
__cxa_get_globals;
__cxa_get_globals_fast;
__cxa_guard_abort;
__cxa_guard_acquire;
__cxa_guard_release;
__cxa_pure_virtual;
__cxa_rethrow;
__cxa_throw;
__cxa_type_match;
__cxa_vec_cctor;
__cxa_vec_cleanup;
__cxa_vec_ctor;
__cxa_vec_delete2;
__cxa_vec_delete3;
__cxa_vec_delete;
__cxa_vec_dtor;
__cxa_vec_new2;
__cxa_vec_new3;
__cxa_vec_new;
__gxx_personality_v0;
__gxx_personality_sj0;
__dynamic_cast;
# *_type_info classes, ctor and dtor
_ZN10__cxxabiv117__array_type_info*;
_ZN10__cxxabiv117__class_type_info*;
_ZN10__cxxabiv116__enum_type_info*;
_ZN10__cxxabiv120__function_type_info*;
_ZN10__cxxabiv123__fundamental_type_info*;
_ZN10__cxxabiv117__pbase_type_info*;
_ZN10__cxxabiv129__pointer_to_member_type_info*;
_ZN10__cxxabiv119__pointer_type_info*;
_ZN10__cxxabiv120__si_class_type_info*;
_ZN10__cxxabiv121__vmi_class_type_info*;
# *_type_info classes, member functions
_ZNK10__cxxabiv117__class_type_info*;
_ZNK10__cxxabiv120__function_type_info*;
_ZNK10__cxxabiv117__pbase_type_info*;
_ZNK10__cxxabiv129__pointer_to_member_type_info*;
_ZNK10__cxxabiv119__pointer_type_info*;
_ZNK10__cxxabiv120__si_class_type_info*;
_ZNK10__cxxabiv121__vmi_class_type_info*;
# virtual table
_ZTVN10__cxxabiv117__array_type_infoE;
_ZTVN10__cxxabiv117__class_type_infoE;
_ZTVN10__cxxabiv116__enum_type_infoE;
_ZTVN10__cxxabiv120__function_type_infoE;
_ZTVN10__cxxabiv123__fundamental_type_infoE;
_ZTVN10__cxxabiv117__pbase_type_infoE;
_ZTVN10__cxxabiv129__pointer_to_member_type_infoE;
_ZTVN10__cxxabiv119__pointer_type_infoE;
_ZTVN10__cxxabiv120__si_class_type_infoE;
_ZTVN10__cxxabiv121__vmi_class_type_infoE;
# typeinfo structure (and some names)
_ZTI[a-fh-z];
_ZTIP[a-fh-z];
_ZTIPK[a-fh-z];
_ZTIN10__cxxabiv117__array_type_infoE;
_ZTIN10__cxxabiv117__class_type_infoE;
_ZTIN10__cxxabiv116__enum_type_infoE;
_ZTIN10__cxxabiv120__function_type_infoE;
_ZTIN10__cxxabiv123__fundamental_type_infoE;
_ZTIN10__cxxabiv117__pbase_type_infoE;
_ZTIN10__cxxabiv129__pointer_to_member_type_infoE;
_ZTIN10__cxxabiv119__pointer_type_infoE;
_ZTIN10__cxxabiv120__si_class_type_infoE;
_ZTIN10__cxxabiv121__vmi_class_type_infoE;
# typeinfo name
_ZTS[a-fh-z];
_ZTSP[a-fh-z];
_ZTSPK[a-fh-z];
_ZTSN10__cxxabiv117__array_type_infoE;
_ZTSN10__cxxabiv117__class_type_infoE;
_ZTSN10__cxxabiv116__enum_type_infoE;
_ZTSN10__cxxabiv120__function_type_infoE;
_ZTSN10__cxxabiv123__fundamental_type_infoE;
_ZTSN10__cxxabiv117__pbase_type_infoE;
_ZTSN10__cxxabiv129__pointer_to_member_type_infoE;
_ZTSN10__cxxabiv119__pointer_type_infoE;
_ZTSN10__cxxabiv120__si_class_type_infoE;
_ZTSN10__cxxabiv121__vmi_class_type_infoE;
# __gnu_cxx::_verbose_terminate_handler()
_ZN9__gnu_cxx27__verbose_terminate_handlerEv;
local:
*;
};
CXXABI_1.3.1 {
__cxa_get_exception_ptr;
} CXXABI_1.3;