# Common support for PowerPC ELF targets (both EABI and SVR4).
#
# Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2006, 2007,
# 2008 Free Software Foundation, Inc.
#
# 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/>.

LIB2FUNCS_EXTRA += tramp.S $(srcdir)/config/rs6000/darwin-ldouble.c

# These can't end up in shared libgcc
LIB2FUNCS_STATIC_EXTRA = eabi.S

eabi.S: $(srcdir)/config/rs6000/eabi.asm
	cat $(srcdir)/config/rs6000/eabi.asm > eabi.S

tramp.S: $(srcdir)/config/rs6000/tramp.asm
	cat $(srcdir)/config/rs6000/tramp.asm > tramp.S

# Switch synonyms
MULTILIB_MATCHES_ENDIAN	= mlittle=mlittle-endian mbig=mbig-endian
MULTILIB_MATCHES_SYSV	= mcall-sysv=mcall-sysv-eabi mcall-sysv=mcall-sysv-noeabi mcall-sysv=mcall-linux mcall-sysv=mcall-netbsd

EXTRA_MULTILIB_PARTS = crtbegin$(objext) crtend$(objext) \
  crtbeginS$(objext) crtendS$(objext) crtbeginT$(objext) \
  ecrti$(objext) ecrtn$(objext) \
  ncrti$(objext) ncrtn$(objext)

# We build {e,n}crti.o and {e,n}crtn.o, which serve to add begin and
# end labels to all of the special sections used when we link using gcc.

# Assemble startup files.
ecrti.S: $(srcdir)/config/rs6000/eabi-ci.asm
	cat $(srcdir)/config/rs6000/eabi-ci.asm >ecrti.S

ecrtn.S: $(srcdir)/config/rs6000/eabi-cn.asm
	cat $(srcdir)/config/rs6000/eabi-cn.asm >ecrtn.S

ncrti.S: $(srcdir)/config/rs6000/sol-ci.asm
	cat $(srcdir)/config/rs6000/sol-ci.asm >ncrti.S

ncrtn.S: $(srcdir)/config/rs6000/sol-cn.asm
	cat $(srcdir)/config/rs6000/sol-cn.asm >ncrtn.S

# Build multiple copies of ?crt{i,n}.o, one for each target switch.
$(T)ecrti$(objext): ecrti.S
	$(GCC_FOR_TARGET) $(GCC_CFLAGS) $(INCLUDES) $(MULTILIB_CFLAGS) -c ecrti.S -o $(T)ecrti$(objext)

$(T)ecrtn$(objext): ecrtn.S
	$(GCC_FOR_TARGET) $(GCC_CFLAGS) $(INCLUDES) $(MULTILIB_CFLAGS) -c ecrtn.S -o $(T)ecrtn$(objext)

$(T)ncrti$(objext): ncrti.S
	$(GCC_FOR_TARGET) $(GCC_CFLAGS) $(INCLUDES) $(MULTILIB_CFLAGS) -c ncrti.S -o $(T)ncrti$(objext)

$(T)ncrtn$(objext): ncrtn.S
	$(GCC_FOR_TARGET) $(GCC_CFLAGS) $(INCLUDES) $(MULTILIB_CFLAGS) -c ncrtn.S -o $(T)ncrtn$(objext)

# It is important that crtbegin.o, etc., aren't surprised by stuff in .sdata.
CRTSTUFF_T_CFLAGS = -msdata=none
# Make sure crt*.o are built with -fPIC even if configured with 
# --enable-shared --disable-multilib
CRTSTUFF_T_CFLAGS_S = -fPIC -msdata=none