186 lines
7.2 KiB
Plaintext
186 lines
7.2 KiB
Plaintext
#
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# Copyright (c) 2013, 2016, Oracle and/or its affiliates. All rights reserved.
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# DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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#
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# This code is free software; you can redistribute it and/or modify it
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# under the terms of the GNU General Public License version 2 only, as
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# published by the Free Software Foundation. Oracle designates this
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# particular file as subject to the "Classpath" exception as provided
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# by Oracle in the LICENSE file that accompanied this code.
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#
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# This code is distributed in the hope that it will be useful, but WITHOUT
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# ANY 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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# version 2 for more details (a copy is included in the LICENSE file that
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# accompanied this code).
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#
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# You should have received a copy of the GNU General Public License version
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# 2 along with this work; if not, write to the Free Software Foundation,
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# Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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#
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# Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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# or visit www.oracle.com if you need additional information or have any
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# questions.
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#
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$(eval $(call IncludeCustomExtension, hotspot/lib/JvmMapfile.gmk))
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################################################################################
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# Combine a list of static symbols
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ifneq ($(OPENJDK_TARGET_OS)-$(OPENJDK_TARGET_CPU), windows-x86_64)
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# On Windows x86_64, we should not have any symbols at all, since that
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# results in duplicate warnings from the linker (JDK-8043491).
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SYMBOLS_SRC += $(TOPDIR)/make/hotspot/symbols/symbols-shared
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endif
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ifeq ($(OPENJDK_TARGET_OS_TYPE), unix)
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SYMBOLS_SRC += $(TOPDIR)/make/hotspot/symbols/symbols-unix
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endif
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ifneq ($(wildcard $(TOPDIR)/make/hotspot/symbols/symbols-$(OPENJDK_TARGET_OS)), )
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SYMBOLS_SRC += $(TOPDIR)/make/hotspot/symbols/symbols-$(OPENJDK_TARGET_OS)
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endif
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ifneq ($(findstring debug, $(DEBUG_LEVEL)), )
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ifneq ($(wildcard $(TOPDIR)/make/hotspot/symbols/symbols-$(OPENJDK_TARGET_OS)-debug), )
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SYMBOLS_SRC += $(TOPDIR)/make/hotspot/symbols/symbols-$(OPENJDK_TARGET_OS)-debug
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endif
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endif
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ifeq ($(OPENJDK_TARGET_OS), solaris)
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ifeq ($(call check-jvm-feature, dtrace), true)
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# Additional mapfiles that are only used when dtrace is enabled
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ifeq ($(call check-jvm-feature, compiler2), true)
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# This also covers the case of compiler1+compiler2.
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SYMBOLS_SRC += $(TOPDIR)/make/hotspot/symbols/symbols-solaris-dtrace-compiler2
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else ifeq ($(call check-jvm-feature, compiler1), true)
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SYMBOLS_SRC += $(TOPDIR)/make/hotspot/symbols/symbols-solaris-dtrace-compiler1
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endif
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endif
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endif
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################################################################################
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# Create a dynamic list of symbols from the built object files. This is highly
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# platform dependent.
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ifeq ($(OPENJDK_TARGET_OS), linux)
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DUMP_SYMBOLS_CMD := $(NM) --defined-only *.o
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ifneq ($(FILTER_SYMBOLS_PATTERN), )
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FILTER_SYMBOLS_PATTERN := $(FILTER_SYMBOLS_PATTERN)|
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endif
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FILTER_SYMBOLS_PATTERN := $(FILTER_SYMBOLS_PATTERN)^_ZTV|^gHotSpotVM|^UseSharedSpaces$$
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FILTER_SYMBOLS_PATTERN := $(FILTER_SYMBOLS_PATTERN)|^_ZN9Arguments17SharedArchivePathE$$
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FILTER_SYMBOLS_AWK_SCRIPT := \
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'{ \
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if ($$3 ~ /$(FILTER_SYMBOLS_PATTERN)/) print $$3; \
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}'
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else ifeq ($(OPENJDK_TARGET_OS), solaris)
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DUMP_SYMBOLS_CMD := $(NM) -p *.o
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ifneq ($(FILTER_SYMBOLS_PATTERN), )
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FILTER_SYMBOLS_PATTERN := $(FILTER_SYMBOLS_PATTERN)|
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endif
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FILTER_SYMBOLS_PATTERN := $(FILTER_SYMBOLS_PATTERN)^__1c.*__vtbl_$$|^gHotSpotVM
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FILTER_SYMBOLS_PATTERN := $(FILTER_SYMBOLS_PATTERN)|^UseSharedSpaces$$
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FILTER_SYMBOLS_PATTERN := $(FILTER_SYMBOLS_PATTERN)|^__1cJArgumentsRSharedArchivePath_$$
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FILTER_SYMBOLS_AWK_SCRIPT := \
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'{ \
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if ($$2 == "U") next; \
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if ($$3 ~ /$(FILTER_SYMBOLS_PATTERN)/) print $$3; \
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}'
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else ifeq ($(OPENJDK_TARGET_OS), macosx)
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# nm on macosx prints out "warning: nm: no name list" to stderr for
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# files without symbols. Hide this, even at the expense of hiding real errors.
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DUMP_SYMBOLS_CMD := $(NM) -Uj *.o 2> /dev/null
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ifneq ($(FILTER_SYMBOLS_PATTERN), )
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FILTER_SYMBOLS_PATTERN := $(FILTER_SYMBOLS_PATTERN)|
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endif
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FILTER_SYMBOLS_PATTERN := $(FILTER_SYMBOLS_PATTERN)^_ZTV|^gHotSpotVM
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FILTER_SYMBOLS_AWK_SCRIPT := \
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'{ \
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if ($$3 ~ /$(FILTER_SYMBOLS_PATTERN)/) print $$3; \
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}'
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# NOTE: The script is from the old build. It is broken and finds no symbols.
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# The script below might be what was intended, but it failes to link with tons
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# of 'cannot export hidden symbol vtable for X'.
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# '{ if ($$1 ~ /^__ZTV/ || $$1 ~ /^_gHotSpotVM/) print substr($$1, 2) }'
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else ifeq ($(OPENJDK_TARGET_OS), aix)
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# NOTE: The old build had the solution below. This should to be fixed in
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# configure instead.
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# On AIX we have to prevent that we pick up the 'nm' version from the GNU binutils
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# which may be installed under /opt/freeware/bin. So better use an absolute path here!
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# NM=/usr/bin/nm
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DUMP_SYMBOLS_CMD := $(NM) -X64 -B -C *.o
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FILTER_SYMBOLS_AWK_SCRIPT := \
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'{ \
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if (($$2="d" || $$2="D") && ($$3 ~ /^__vft/ || $$3 ~ /^gHotSpotVM/)) print $$3; \
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if ($$3 ~ /^UseSharedSpaces$$/) print $$3; \
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if ($$3 ~ /^SharedArchivePath__9Arguments$$/) print $$3; \
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}'
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else ifeq ($(OPENJDK_TARGET_OS), windows)
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DUMP_SYMBOLS_CMD := $(DUMPBIN) -symbols *.obj
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FILTER_SYMBOLS_AWK_SCRIPT := \
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'{ \
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if ($$7 ~ /??_7.*@@6B@/ && $$7 !~ /type_info/) print $$7; \
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}'
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else
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$(error Unknown target OS $(OPENJDK_TARGET_OS) in JvmMapfile.gmk)
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endif
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# A more correct solution would be to send BUILD_LIBJVM_ALL_OBJS instead of
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# cd && *.o, but this will result in very long command lines, which is
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# problematic on some platforms.
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$(JVM_OUTPUTDIR)/symbols-objects: $(BUILD_LIBJVM_ALL_OBJS)
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$(call LogInfo, Generating symbol list from object files)
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$(CD) $(JVM_OUTPUTDIR)/objs && \
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$(DUMP_SYMBOLS_CMD) | $(NAWK) $(FILTER_SYMBOLS_AWK_SCRIPT) | $(SORT) -u > $@
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SYMBOLS_SRC += $(JVM_OUTPUTDIR)/symbols-objects
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################################################################################
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# Now concatenate all symbol lists into a single file and remove comments.
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$(JVM_OUTPUTDIR)/symbols: $(SYMBOLS_SRC)
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$(SED) -e '/^#/d' $^ > $@
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################################################################################
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# Finally convert the symbol list into a platform-specific mapfile
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ifeq ($(OPENJDK_TARGET_OS), macosx)
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# On macosx, we need to add a leading underscore
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define create-mapfile-work
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$(AWK) '{ if ($$0 ~ ".") { print " _" $$0 } }' < $^ > $@.tmp
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endef
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else ifeq ($(OPENJDK_TARGET_OS), windows)
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# On windows, add an 'EXPORTS' header
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define create-mapfile-work
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$(ECHO) "EXPORTS" > $@.tmp
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$(AWK) '{ if ($$0 ~ ".") { print " " $$0 } }' < $^ >> $@.tmp
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endef
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else
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# Assume standard linker script
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define create-mapfile-work
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$(PRINTF) "SUNWprivate_1.1 { \n global: \n" > $@.tmp
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$(AWK) '{ if ($$0 ~ ".") { print " " $$0 ";" } }' < $^ >> $@.tmp
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$(PRINTF) " local: \n *; \n }; \n" >> $@.tmp
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endef
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endif
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define create-mapfile
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$(call LogInfo, Creating mapfile)
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$(call MakeDir, $(@D))
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$(call create-mapfile-work)
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$(RM) $@
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$(MV) $@.tmp $@
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endef
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$(JVM_MAPFILE): $(JVM_OUTPUTDIR)/symbols
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$(call create-mapfile)
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