1# Common support for PowerPC ELF targets (both EABI and SVR4). 2# 3# Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2006, 2007, 4# 2008 Free Software Foundation, Inc. 5# 6# This file is part of GCC. 7# 8# GCC is free software; you can redistribute it and/or modify 9# it under the terms of the GNU General Public License as published by 10# the Free Software Foundation; either version 3, or (at your option) 11# any later version. 12# 13# GCC is distributed in the hope that it will be useful, 14# but WITHOUT ANY WARRANTY; without even the implied warranty of 15# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 16# GNU General Public License for more details. 17# 18# You should have received a copy of the GNU General Public License 19# along with GCC; see the file COPYING3. If not see 20# <http://www.gnu.org/licenses/>. 21 22LIB2FUNCS_EXTRA += tramp.S $(srcdir)/config/rs6000/darwin-ldouble.c 23 24# These can't end up in shared libgcc 25LIB2FUNCS_STATIC_EXTRA = eabi.S 26 27eabi.S: $(srcdir)/config/rs6000/eabi.asm 28 cat $(srcdir)/config/rs6000/eabi.asm > eabi.S 29 30tramp.S: $(srcdir)/config/rs6000/tramp.asm 31 cat $(srcdir)/config/rs6000/tramp.asm > tramp.S 32 33# Switch synonyms 34MULTILIB_MATCHES_ENDIAN = mlittle=mlittle-endian mbig=mbig-endian 35MULTILIB_MATCHES_SYSV = mcall-sysv=mcall-sysv-eabi mcall-sysv=mcall-sysv-noeabi mcall-sysv=mcall-linux mcall-sysv=mcall-netbsd 36 37EXTRA_MULTILIB_PARTS = crtbegin$(objext) crtend$(objext) \ 38 crtbeginS$(objext) crtendS$(objext) crtbeginT$(objext) \ 39 ecrti$(objext) ecrtn$(objext) \ 40 ncrti$(objext) ncrtn$(objext) 41 42# We build {e,n}crti.o and {e,n}crtn.o, which serve to add begin and 43# end labels to all of the special sections used when we link using gcc. 44 45# Assemble startup files. 46ecrti.S: $(srcdir)/config/rs6000/eabi-ci.asm 47 cat $(srcdir)/config/rs6000/eabi-ci.asm >ecrti.S 48 49ecrtn.S: $(srcdir)/config/rs6000/eabi-cn.asm 50 cat $(srcdir)/config/rs6000/eabi-cn.asm >ecrtn.S 51 52ncrti.S: $(srcdir)/config/rs6000/sol-ci.asm 53 cat $(srcdir)/config/rs6000/sol-ci.asm >ncrti.S 54 55ncrtn.S: $(srcdir)/config/rs6000/sol-cn.asm 56 cat $(srcdir)/config/rs6000/sol-cn.asm >ncrtn.S 57 58# Build multiple copies of ?crt{i,n}.o, one for each target switch. 59$(T)ecrti$(objext): ecrti.S 60 $(GCC_FOR_TARGET) $(GCC_CFLAGS) $(INCLUDES) $(MULTILIB_CFLAGS) -c ecrti.S -o $(T)ecrti$(objext) 61 62$(T)ecrtn$(objext): ecrtn.S 63 $(GCC_FOR_TARGET) $(GCC_CFLAGS) $(INCLUDES) $(MULTILIB_CFLAGS) -c ecrtn.S -o $(T)ecrtn$(objext) 64 65$(T)ncrti$(objext): ncrti.S 66 $(GCC_FOR_TARGET) $(GCC_CFLAGS) $(INCLUDES) $(MULTILIB_CFLAGS) -c ncrti.S -o $(T)ncrti$(objext) 67 68$(T)ncrtn$(objext): ncrtn.S 69 $(GCC_FOR_TARGET) $(GCC_CFLAGS) $(INCLUDES) $(MULTILIB_CFLAGS) -c ncrtn.S -o $(T)ncrtn$(objext) 70 71# It is important that crtbegin.o, etc., aren't surprised by stuff in .sdata. 72CRTSTUFF_T_CFLAGS = -msdata=none 73# Make sure crt*.o are built with -fPIC even if configured with 74# --enable-shared --disable-multilib 75CRTSTUFF_T_CFLAGS_S = -fPIC -msdata=none 76