+
−# This is a modified version of the gcc/config/arm/t-arm-elf file
+
−# from gcc-4.5.4.  It has been modified by Spacefalcon the Outlaw
+
−# for the FreeCalypso project; the changes are in the multilib
+
−# configuration:
+
−#
+
−# a) The fpu multilib has been commented out
+
−# b) The -mthumb-interwork multilib has been uncommented
+
−
+
−# Copyright (C) 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 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/>.
+
−
+
−# For most CPUs we have an assembly soft-float implementations.
+
−# However this is not true for ARMv6M.  Here we want to use the soft-fp C
+
−# implementation.  The soft-fp code is only build for ARMv6M.  This pulls
+
−# in the asm implementation for other CPUs.
+
−LIB1ASMFUNCS += _udivsi3 _divsi3 _umodsi3 _modsi3 _dvmd_tls _bb_init_func \
+
−	_call_via_rX _interwork_call_via_rX \
+
−	_lshrdi3 _ashrdi3 _ashldi3 \
+
−	_arm_negdf2 _arm_addsubdf3 _arm_muldivdf3 _arm_cmpdf2 _arm_unorddf2 \
+
−	_arm_fixdfsi _arm_fixunsdfsi \
+
−	_arm_truncdfsf2 _arm_negsf2 _arm_addsubsf3 _arm_muldivsf3 \
+
−	_arm_cmpsf2 _arm_unordsf2 _arm_fixsfsi _arm_fixunssfsi \
+
−	_arm_floatdidf _arm_floatdisf _arm_floatundidf _arm_floatundisf \
+
−	_clzsi2 _clzdi2 
+
−
+
−MULTILIB_OPTIONS     = marm/mthumb
+
−MULTILIB_DIRNAMES    = arm thumb
+
−MULTILIB_EXCEPTIONS  = 
+
−MULTILIB_MATCHES     =
+
−
+
−#MULTILIB_OPTIONS      += march=armv7
+
−#MULTILIB_DIRNAMES     += thumb2
+
−#MULTILIB_EXCEPTIONS   += march=armv7* marm/*march=armv7*
+
−#MULTILIB_MATCHES      += march?armv7=march?armv7-a
+
−#MULTILIB_MATCHES      += march?armv7=march?armv7-r
+
−#MULTILIB_MATCHES      += march?armv7=march?armv7-m
+
−#MULTILIB_MATCHES      += march?armv7=mcpu?cortex-a8
+
−#MULTILIB_MATCHES      += march?armv7=mcpu?cortex-r4
+
−#MULTILIB_MATCHES      += march?armv7=mcpu?cortex-m3
+
−
+
−# Not quite true.  We can support hard-vfp calling in Thumb2, but how do we
+
−# express that here?  Also, we really need architecture v5e or later
+
−# (mcrr etc).
+
−# MULTILIB_OPTIONS       += mfloat-abi=hard
+
−# MULTILIB_DIRNAMES      += fpu
+
−# MULTILIB_EXCEPTIONS    += *mthumb/*mfloat-abi=hard*
+
−
+
−# MULTILIB_OPTIONS    += mcpu=ep9312
+
−# MULTILIB_DIRNAMES   += ep9312
+
−# MULTILIB_EXCEPTIONS += *mthumb/*mcpu=ep9312*
+
−# 	
+
−# MULTILIB_OPTIONS     += mlittle-endian/mbig-endian
+
−# MULTILIB_DIRNAMES    += le be
+
−# MULTILIB_MATCHES     += mbig-endian=mbe mlittle-endian=mle
+
−# 
+
−# MULTILIB_OPTIONS    += mhard-float/msoft-float
+
−# MULTILIB_DIRNAMES   += fpu soft
+
−# MULTILIB_EXCEPTIONS += *mthumb/*mhard-float*
+
−# 
+
−MULTILIB_OPTIONS    += mno-thumb-interwork/mthumb-interwork
+
−MULTILIB_DIRNAMES   += normal interwork
+
−# 
+
−# MULTILIB_OPTIONS    += fno-leading-underscore/fleading-underscore
+
−# MULTILIB_DIRNAMES   += elf under
+
−# 
+
−# MULTILIB_OPTIONS    += mcpu=arm7
+
−# MULTILIB_DIRNAMES   += nofmult
+
−# MULTILIB_EXCEPTIONS += *mthumb*/*mcpu=arm7*
+
−# # Note: the multilib_exceptions matches both -mthumb and
+
−# # -mthumb-interwork
+
−# #
+
−# # We have to match all the arm cpu variants which do not have the
+
−# # multiply instruction and treat them as if the user had specified
+
−# # -mcpu=arm7.  Note that in the following the ? is interpreted as
+
−# # an = for the purposes of matching command line options.
+
−# # FIXME: There ought to be a better way to do this.
+
−# MULTILIB_MATCHES    += mcpu?arm7=mcpu?arm7d
+
−# MULTILIB_MATCHES    += mcpu?arm7=mcpu?arm7di
+
−# MULTILIB_MATCHES    += mcpu?arm7=mcpu?arm70
+
−# MULTILIB_MATCHES    += mcpu?arm7=mcpu?arm700
+
−# MULTILIB_MATCHES    += mcpu?arm7=mcpu?arm700i
+
−# MULTILIB_MATCHES    += mcpu?arm7=mcpu?arm710
+
−# MULTILIB_MATCHES    += mcpu?arm7=mcpu?arm710c
+
−# MULTILIB_MATCHES    += mcpu?arm7=mcpu?arm7100
+
−# MULTILIB_MATCHES    += mcpu?arm7=mcpu?arm7500
+
−# MULTILIB_MATCHES    += mcpu?arm7=mcpu?arm7500fe
+
−# MULTILIB_MATCHES    += mcpu?arm7=mcpu?arm6
+
−# MULTILIB_MATCHES    += mcpu?arm7=mcpu?arm60
+
−# MULTILIB_MATCHES    += mcpu?arm7=mcpu?arm600
+
−# MULTILIB_MATCHES    += mcpu?arm7=mcpu?arm610
+
−# MULTILIB_MATCHES    += mcpu?arm7=mcpu?arm620
+
−
+
−EXTRA_MULTILIB_PARTS = crtbegin.o crtend.o crti.o crtn.o
+
−
+
−# If EXTRA_MULTILIB_PARTS is not defined above then define EXTRA_PARTS here
+
−# EXTRA_PARTS = crtbegin.o crtend.o crti.o crtn.o
+
−
+
−LIBGCC = stmp-multilib
+
−INSTALL_LIBGCC = install-multilib
+
−
+
−# Currently there is a bug somewhere in GCC's alias analysis
+
−# or scheduling code that is breaking _fpmul_parts in fp-bit.c.
+
−# Disabling function inlining is a workaround for this problem.
+
−TARGET_LIBGCC2_CFLAGS = -fno-inline
+
−
+
−# Assemble startup files.
+
−$(T)crti.o: $(srcdir)/config/arm/crti.asm $(GCC_PASSES)
+
−	$(GCC_FOR_TARGET) $(GCC_CFLAGS) $(MULTILIB_CFLAGS) $(INCLUDES) \
+
−	-c -o $(T)crti.o -x assembler-with-cpp $(srcdir)/config/arm/crti.asm
+
−
+
−$(T)crtn.o: $(srcdir)/config/arm/crtn.asm $(GCC_PASSES)
+
−	$(GCC_FOR_TARGET) $(GCC_CFLAGS) $(MULTILIB_CFLAGS) $(INCLUDES) \
+
−	-c -o $(T)crtn.o -x assembler-with-cpp $(srcdir)/config/arm/crtn.asm
+
−