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