Mercurial > hg > truffle
annotate make/linux/makefiles/ppc64.make @ 18176:c2270ad35f57
Better construction of data section and data patches.
author | Roland Schatz <roland.schatz@oracle.com> |
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date | Mon, 27 Oct 2014 14:07:49 +0100 |
parents | 56e7f5560e60 |
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8019922: PPC64 (part 8): Implement Linux/PPC64 support in HotSpot makefiles
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1 # |
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2 # Copyright (c) 2004, 2013, Oracle and/or its affiliates. All rights reserved. |
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3 # Copyright 2012, 2013 SAP AG. All rights reserved. |
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4 # DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
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5 # |
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6 # This code is free software; you can redistribute it and/or modify it |
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7 # under the terms of the GNU General Public License version 2 only, as |
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8 # published by the Free Software Foundation. |
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9 # |
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10 # This code is distributed in the hope that it will be useful, but WITHOUT |
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11 # ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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12 # FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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13 # version 2 for more details (a copy is included in the LICENSE file that |
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14 # accompanied this code). |
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15 # |
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16 # You should have received a copy of the GNU General Public License version |
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17 # 2 along with this work; if not, write to the Free Software Foundation, |
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18 # Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
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19 # |
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20 # Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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21 # or visit www.oracle.com if you need additional information or have any |
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22 # questions. |
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23 # |
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24 # |
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25 |
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26 # make c code know it is on a 64 bit platform. |
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27 CFLAGS += -D_LP64=1 |
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28 |
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29 ifeq ($(origin OPENJDK_TARGET_CPU_ENDIAN),undefined) |
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30 # This can happen during hotspot standalone build. Set endianness from |
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31 # uname. We assume build and target machines are the same. |
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32 OPENJDK_TARGET_CPU_ENDIAN:=$(if $(filter ppc64le,$(shell uname -m)),little,big) |
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33 endif |
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34 |
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35 ifeq ($(filter $(OPENJDK_TARGET_CPU_ENDIAN),big little),) |
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36 $(error OPENJDK_TARGET_CPU_ENDIAN value should be 'big' or 'little') |
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37 endif |
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38 |
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39 ifeq ($(OPENJDK_TARGET_CPU_ENDIAN),big) |
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40 # fixes `relocation truncated to fit' error for gcc 4.1. |
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41 CFLAGS += -mminimal-toc |
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43 # finds use ppc64 instructions, but schedule for power5 |
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44 CFLAGS += -mcpu=powerpc64 -mtune=power5 -minsert-sched-nops=regroup_exact -mno-multiple -mno-string |
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45 else |
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46 # Little endian machine uses ELFv2 ABI. |
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47 CFLAGS += -DVM_LITTLE_ENDIAN -DABI_ELFv2 |
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48 |
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49 # Use Power8, this is the first CPU to support PPC64 LE with ELFv2 ABI. |
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50 CFLAGS += -mcpu=power7 -mtune=power8 -minsert-sched-nops=regroup_exact -mno-multiple -mno-string |
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51 endif |