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69 lines
2.6 KiB
Diff
69 lines
2.6 KiB
Diff
From 0eacfbcb2bf1834294f468a2bb41fe5d5e8d3883 Mon Sep 17 00:00:00 2001
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From: claziss <claziss@138bc75d-0d04-0410-961f-82ee72b054a4>
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Date: Mon, 21 May 2018 09:56:57 +0000
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Subject: [PATCH] [ARC] Add multilib support for linux targets
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We used to build baremetal (AKA Elf32) multilibbed toolchains for years
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now but never made that for Linux targets since there were problems with
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uClibc n multilib setup. Now with help of Crosstool-NG it is finally
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possible to create uClibc-based multilibbed toolchains and so we add
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relevant CPUs for multilib in case of configuration for "arc*-*-linux*".
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This will be essentially useful for glibc-based multilibbbed toolchains
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in the future.
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gcc/
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2018-05-16 Alexey Brodkin <abrodkin@synopsys.com>
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* config.gcc: Add arc/t-multilib-linux to tmake_file for
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arc*-*-linux*.
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* config/arc/t-multilib-linux: Specify MULTILIB_OPTIONS and
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MULTILIB_DIRNAMES
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git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@260434 138bc75d-0d04-0410-961f-82ee72b054a4
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---
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gcc/config.gcc | 2 +-
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gcc/config/arc/t-multilib-linux | 25 +++++++++++++++++++++++++
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2 files changed, 26 insertions(+), 1 deletion(-)
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create mode 100644 gcc/config/arc/t-multilib-linux
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--- a/gcc/config.gcc
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+++ b/gcc/config.gcc
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@@ -1063,7 +1063,7 @@
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;;
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arc*-*-linux*)
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tm_file="arc/arc-arch.h dbxelf.h elfos.h gnu-user.h linux.h linux-android.h glibc-stdint.h arc/linux.h ${tm_file}"
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- tmake_file="${tmake_file} arc/t-arc"
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+ tmake_file="${tmake_file} arc/t-multilib-linux arc/t-arc"
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extra_gcc_objs="driver-arc.o"
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if test "x$with_cpu" != x; then
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tm_defines="${tm_defines} TARGET_CPU_BUILD=PROCESSOR_$with_cpu"
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--- /dev/null
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+++ b/gcc/config/arc/t-multilib-linux
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@@ -0,0 +1,25 @@
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+# Copyright (C) 2018 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 it under
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+# the terms of the GNU General Public License as published by the Free
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+# Software Foundation; either version 3, or (at your option) any later
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+# version.
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+#
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+# GCC is distributed in the hope that it will be useful, but WITHOUT ANY
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+# WARRANTY; without even the implied warranty of MERCHANTABILITY or
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+# FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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+# 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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+
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+MULTILIB_OPTIONS = mcpu=hs/mcpu=archs/mcpu=hs38/mcpu=hs38_linux/mcpu=arc700/mcpu=nps400
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+
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+MULTILIB_DIRNAMES = hs archs hs38 hs38_linux arc700 nps400
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+
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+# Aliases:
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+MULTILIB_MATCHES += mcpu?arc700=mA7
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+MULTILIB_MATCHES += mcpu?arc700=mARC700
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