123 lines
4.9 KiB
Plaintext
123 lines
4.9 KiB
Plaintext
# Copyright (C) 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007,
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# 2008 Free Software Foundation, Inc.
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#
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# This file is part of GCC.
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#
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# GCC is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 3, or (at your option)
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# any later version.
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#
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# GCC is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with GCC; see the file COPYING3. If not see
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# <http://www.gnu.org/licenses/>.
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# For most CPUs we have an assembly soft-float implementations.
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# However this is not true for ARMv6M. Here we want to use the soft-fp C
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# implementation. The soft-fp code is only build for ARMv6M. This pulls
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# in the asm implementation for other CPUs.
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LIB1ASMFUNCS += _udivsi3 _divsi3 _umodsi3 _modsi3 _dvmd_tls _bb_init_func \
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_call_via_rX _interwork_call_via_rX \
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_lshrdi3 _ashrdi3 _ashldi3 \
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_arm_negdf2 _arm_addsubdf3 _arm_muldivdf3 _arm_cmpdf2 _arm_unorddf2 \
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_arm_fixdfsi _arm_fixunsdfsi \
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_arm_truncdfsf2 _arm_negsf2 _arm_addsubsf3 _arm_muldivsf3 \
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_arm_cmpsf2 _arm_unordsf2 _arm_fixsfsi _arm_fixunssfsi \
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_arm_floatdidf _arm_floatdisf _arm_floatundidf _arm_floatundisf \
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_clzsi2 _clzdi2
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MULTILIB_OPTIONS = marm/mthumb
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MULTILIB_DIRNAMES = arm thumb
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MULTILIB_EXCEPTIONS =
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MULTILIB_MATCHES =
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#MULTILIB_OPTIONS += march=armv7
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#MULTILIB_DIRNAMES += thumb2
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#MULTILIB_EXCEPTIONS += march=armv7* marm/*march=armv7*
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#MULTILIB_MATCHES += march?armv7=march?armv7-a
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#MULTILIB_MATCHES += march?armv7=march?armv7-r
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#MULTILIB_MATCHES += march?armv7=march?armv7-m
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#MULTILIB_MATCHES += march?armv7=mcpu?cortex-a8
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#MULTILIB_MATCHES += march?armv7=mcpu?cortex-r4
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#MULTILIB_MATCHES += march?armv7=mcpu?cortex-m3
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# Not quite true. We can support hard-vfp calling in Thumb2, but how do we
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# express that here? Also, we really need architecture v5e or later
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# (mcrr etc).
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MULTILIB_OPTIONS += mfloat-abi=hard
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MULTILIB_DIRNAMES += fpu
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MULTILIB_EXCEPTIONS += *mthumb/*mfloat-abi=hard*
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# MULTILIB_OPTIONS += mcpu=ep9312
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# MULTILIB_DIRNAMES += ep9312
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# MULTILIB_EXCEPTIONS += *mthumb/*mcpu=ep9312*
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#
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# MULTILIB_OPTIONS += mlittle-endian/mbig-endian
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# MULTILIB_DIRNAMES += le be
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# MULTILIB_MATCHES += mbig-endian=mbe mlittle-endian=mle
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#
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# MULTILIB_OPTIONS += mhard-float/msoft-float
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# MULTILIB_DIRNAMES += fpu soft
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# MULTILIB_EXCEPTIONS += *mthumb/*mhard-float*
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#
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# MULTILIB_OPTIONS += mno-thumb-interwork/mthumb-interwork
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# MULTILIB_DIRNAMES += normal interwork
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#
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# MULTILIB_OPTIONS += fno-leading-underscore/fleading-underscore
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# MULTILIB_DIRNAMES += elf under
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#
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# MULTILIB_OPTIONS += mcpu=arm7
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# MULTILIB_DIRNAMES += nofmult
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# MULTILIB_EXCEPTIONS += *mthumb*/*mcpu=arm7*
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# # Note: the multilib_exceptions matches both -mthumb and
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# # -mthumb-interwork
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# #
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# # We have to match all the arm cpu variants which do not have the
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# # multiply instruction and treat them as if the user had specified
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# # -mcpu=arm7. Note that in the following the ? is interpreted as
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# # an = for the purposes of matching command line options.
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# # FIXME: There ought to be a better way to do this.
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# MULTILIB_MATCHES += mcpu?arm7=mcpu?arm7d
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# MULTILIB_MATCHES += mcpu?arm7=mcpu?arm7di
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# MULTILIB_MATCHES += mcpu?arm7=mcpu?arm70
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# MULTILIB_MATCHES += mcpu?arm7=mcpu?arm700
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# MULTILIB_MATCHES += mcpu?arm7=mcpu?arm700i
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# MULTILIB_MATCHES += mcpu?arm7=mcpu?arm710
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# MULTILIB_MATCHES += mcpu?arm7=mcpu?arm710c
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# MULTILIB_MATCHES += mcpu?arm7=mcpu?arm7100
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# MULTILIB_MATCHES += mcpu?arm7=mcpu?arm7500
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# MULTILIB_MATCHES += mcpu?arm7=mcpu?arm7500fe
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# MULTILIB_MATCHES += mcpu?arm7=mcpu?arm6
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# MULTILIB_MATCHES += mcpu?arm7=mcpu?arm60
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# MULTILIB_MATCHES += mcpu?arm7=mcpu?arm600
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# MULTILIB_MATCHES += mcpu?arm7=mcpu?arm610
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# MULTILIB_MATCHES += mcpu?arm7=mcpu?arm620
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EXTRA_MULTILIB_PARTS = crtbegin.o crtend.o crti.o crtn.o
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# If EXTRA_MULTILIB_PARTS is not defined above then define EXTRA_PARTS here
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# EXTRA_PARTS = crtbegin.o crtend.o crti.o crtn.o
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LIBGCC = stmp-multilib
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INSTALL_LIBGCC = install-multilib
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# Currently there is a bug somewhere in GCC's alias analysis
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# or scheduling code that is breaking _fpmul_parts in fp-bit.c.
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# Disabling function inlining is a workaround for this problem.
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TARGET_LIBGCC2_CFLAGS = -fno-inline
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# Assemble startup files.
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$(T)crti.o: $(srcdir)/config/arm/crti.asm $(GCC_PASSES)
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$(GCC_FOR_TARGET) $(GCC_CFLAGS) $(MULTILIB_CFLAGS) $(INCLUDES) \
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-c -o $(T)crti.o -x assembler-with-cpp $(srcdir)/config/arm/crti.asm
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$(T)crtn.o: $(srcdir)/config/arm/crtn.asm $(GCC_PASSES)
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$(GCC_FOR_TARGET) $(GCC_CFLAGS) $(MULTILIB_CFLAGS) $(INCLUDES) \
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-c -o $(T)crtn.o -x assembler-with-cpp $(srcdir)/config/arm/crtn.asm
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