# Rules of libgcc and crtstuff of Andes NDS32 cpu for GNU compiler # Copyright (C) 2012-2020 Free Software Foundation, Inc. # Contributed by Andes Technology Corporation. # # This file is part of GCC. # # GCC 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, or (at your # option) any later version. # # GCC 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 GCC; see the file COPYING3. If not see # <http://www.gnu.org/licenses/>. # Note: # Because GCC has its own make rules for crtbegin.o and crtend.o, # we cannot use crtbegin.o and crtend.o rules. # So we create crtbegin1.o and crtend1.o instead. # Make sure the linker script include these two objects # for building .ctors/.dtors sections. # Use -DCRT_BEGIN to create beginning parts of .init and .fini content # Make sure you are building crtbegin1.o with -O0 optimization, # otherwise the static function will be optimized out crtbegin1.o: $(srcdir)/config/nds32/initfini.c $(GCC_PASSES) $(CONFIG_H) $(GCC_FOR_TARGET) $(INCLUDES) \ $(CFLAGS) \ -DCRT_BEGIN \ -finhibit-size-directive -fno-inline-functions \ -O0 -c $(srcdir)/config/nds32/initfini.c -o crtbegin1.o # Use -DCRT_END to create ending parts of .init and .fini content # Make sure you are building crtend1.o with -O0 optimization, # otherwise the static function will be optimized out crtend1.o: $(srcdir)/config/nds32/initfini.c $(GCC_PASSES) $(CONFIG_H) $(GCC_FOR_TARGET) $(INCLUDES) \ $(CFLAGS) \ -DCRT_END \ -finhibit-size-directive -fno-inline-functions \ -O0 -c $(srcdir)/config/nds32/initfini.c -o crtend1.o # Use this rule if and only if your crt0.o does not come from library # Also, be sure to add 'crtzero.o' in extra_parts in libgcc/config.host # and change STARTFILE_SPEC in nds32.h # #crtzero.o: $(srcdir)/config/nds32/crtzero.S $(GCC_PASSES) $(CONFIG_H) # $(GCC_FOR_TARGET) $(INCLUDES) \ # -c $(srcdir)/config/nds32/crtzero.S -o crtzero.o # ------------------------------------------------------------------------ |