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Diffstat (limited to 'gcc/config/m68k/t-mlibs')
| -rw-r--r-- | gcc/config/m68k/t-mlibs | 115 |
1 files changed, 115 insertions, 0 deletions
diff --git a/gcc/config/m68k/t-mlibs b/gcc/config/m68k/t-mlibs new file mode 100644 index 000000000..dcf681c32 --- /dev/null +++ b/gcc/config/m68k/t-mlibs @@ -0,0 +1,115 @@ +# multilibs -*- mode:Makefile -*- +# +# Copyright (C) 2007 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/>. + +# An awk command to extract lines from the m68k-devices.def file that +# match $1 and then print the string defined by $2. Leading and +# trailing whitespace is removed. $1 & $2 can make use of +# CPU -- the cpu identifier (has leading 'm'/'mcf') +# FLAGS -- the cpu capability flags +# CPU_NAME -- the cpu name (has no leading m/mcf) +# MLIB -- the multilib cpu name (no leading m/mcf) +# This is intended to be used as $(call M68K_AWK,predicate,string) +M68K_AWK = $(strip $(shell $(AWK) 'BEGIN { FS="[ \t]*[,()][ \t]*"; ORS=" " }; \ + /^M68K_DEVICE/ { CPU=$$3; FLAGS=$$8; \ + CPU_NAME=substr($$2,2,length($$2)-2); \ + MLIB=substr($$5,2,length($$5)-2); \ + if ($1) print $2 }' $(srcdir)/config/m68k/m68k-devices.def)) + +# Add a multilib for each distinct architecture. M68K_MLIB_CPU, if defined, +# adds additional restrictions. +M68K_MLIB_CPUS := $(call M68K_AWK,\ + (CPU_NAME == MLIB) $(M68K_MLIB_CPU), \ + "m"MLIB) + +# Make the default cpu the default multilib. +M68K_MLIB_DEFAULT := $(call M68K_AWK, CPU == "$(target_cpu_default)", MLIB) + +ifeq ($(filter m$(M68K_MLIB_DEFAULT),$(M68K_MLIB_CPUS)),) +$(error Error default cpu '$(target_cpu_default)' is not in multilib set '$(M68K_MLIB_CPUS)') +endif + +# Sed arguments that convert mcpu=* arguments into canonical forms. +# We want to use the legacy m68* options instead of the new -mcpu=68* +# options when compiling multilibs because the former are recognised +# by older binutils. +CANONICALIZE_OPTIONS = -e 's|mcpu=68|m68|g' -e 's|mcpu=cpu32|mcpu32|g' + +MULTILIB_DIRNAMES := $(filter-out m$(M68K_MLIB_DEFAULT),$(M68K_MLIB_CPUS)) +MULTILIB_OPTIONS := $(shell echo $(MULTILIB_DIRNAMES:m%=mcpu=%) \ + | sed -e 's| |/|g' $(CANONICALIZE_OPTIONS)) + +# Add subtarget specific options & dirs. +MULTILIB_DIRNAMES += $(M68K_MLIB_DIRNAMES) +MULTILIB_OPTIONS += $(M68K_MLIB_OPTIONS) + +MULTILIB_MATCHES := + +ifneq ($(M68K_ARCH),cf) +# Map the new-style options to the legacy m68k ones. +MULTILIB_MATCHES += m68000=mcpu?68000 m68000=march?68000 m68000=mc68000 \ + m68000=m68302 \ + m68020=mcpu?68020 m68020=march?68020 m68020=mc68020 \ + m68030=mcpu?68030 m68030=march?68030 \ + m68040=mcpu?68040 m68040=march?68040 \ + m68060=mcpu?68060 m68060=march?68060 \ + mcpu32=mcpu?cpu32 mcpu32=march?cpu32 mcpu32=m68332 +endif + +ifneq ($(M68K_ARCH),m68k) +# Map the legacy ColdFire options to the new ones. +MULTILIB_MATCHES += mcpu?5206=m5200 mcpu?5206e=m5206e mcpu?5208=m528x \ + mcpu?5307=m5300 mcpu?5307=m5307 \ + mcpu?5407=m5400 mcpu?5407=m5407 \ + mcpu?5475=mcfv4e +# Map -march=* options to the representative -mcpu=* option. +MULTILIB_MATCHES += mcpu?5206e=march?isaa mcpu?5208=march?isaaplus \ + mcpu?5407=march?isab +endif + +# Match non-representative -mcpu options to their representative option. +MULTILIB_MATCHES += \ + $(call M68K_AWK, \ + (CPU_NAME != MLIB) $(M68K_MLIB_CPU), \ + (match(MLIB, "^68") || MLIB == "cpu32" \ + ? "m"MLIB"=mcpu?"CPU_NAME \ + : "mcpu?"MLIB"=mcpu?"CPU_NAME)) + +MULTILIB_EXCEPTIONS := + +ifeq ($(firstword $(M68K_MLIB_OPTIONS)),msoft-float) +# Exclude soft-float multilibs for targets that default to soft-float anyway. +MULTILIB_EXCEPTIONS += $(call M68K_AWK,\ + (CPU_NAME == MLIB) $(M68K_MLIB_CPU) \ + && (((CPU ~ "^mcf") && !match(FLAGS, "FL_CF_FPU")) \ + || CPU == "cpu32" \ + || CPU == "m68000"), \ + "mcpu="MLIB"/msoft-float*") +endif + +# Remove the default CPU from the explicit exceptions. +MULTILIB_EXCEPTIONS := \ + $(patsubst mcpu=$(M68K_MLIB_DEFAULT)/%,%,$(MULTILIB_EXCEPTIONS)) + +# Convert all options to canonical form. +MULTILIB_EXCEPTIONS := $(shell echo $(MULTILIB_EXCEPTIONS) | \ + sed $(CANONICALIZE_OPTIONS)) + +LIBGCC = stmp-multilib +INSTALL_LIBGCC = install-multilib |