diff -r 1d902bc02bc2 -r f824aabc7af8 hotspot/makefiles/lib/JvmMapfile.gmk --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/hotspot/makefiles/lib/JvmMapfile.gmk Fri Apr 08 13:14:23 2016 +0200 @@ -0,0 +1,172 @@ +# +# 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 += $(HOTSPOT_TOPDIR)/makefiles/symbols/symbols-shared +endif + +ifeq ($(OPENJDK_TARGET_OS_TYPE), unix) + SYMBOLS_SRC += $(HOTSPOT_TOPDIR)/makefiles/symbols/symbols-unix +endif + +ifneq ($(wildcard $(HOTSPOT_TOPDIR)/makefiles/symbols/symbols-$(OPENJDK_TARGET_OS)), ) + SYMBOLS_SRC += $(HOTSPOT_TOPDIR)/makefiles/symbols/symbols-$(OPENJDK_TARGET_OS) +endif + +ifneq ($(findstring debug, $(DEBUG_LEVEL)), ) + ifneq ($(wildcard $(HOTSPOT_TOPDIR)/makefiles/symbols/symbols-$(OPENJDK_TARGET_OS)-debug), ) + SYMBOLS_SRC += $(HOTSPOT_TOPDIR)/makefiles/symbols/symbols-$(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 += $(HOTSPOT_TOPDIR)/makefiles/symbols/symbols-solaris-dtrace-compiler2 + else ifeq ($(call check-jvm-feature, compiler1), true) + SYMBOLS_SRC += $(HOTSPOT_TOPDIR)/makefiles/symbols/symbols-solaris-dtrace-compiler1 + endif + endif +endif + +################################################################################ +# Create a dynamic list of symbols from the built object files. This is highly +# platform dependent. + +ifeq ($(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 $$7; \ + }' + +else + $(error Unknown target OS $(OPENJDK_TARGET_OS) in JvmMapfile.gmk) +endif + +# A more correct solution would be to send BUILD_LIBJVM_ALL_OBJS instead of +# cd && *.o, but this will result in very long command lines, which is +# problematic on some platforms. +$(JVM_OUTPUTDIR)/symbols-objects: $(BUILD_LIBJVM_ALL_OBJS) + $(call LogInfo, Generating symbol list from object files) + $(CD) $(JVM_OUTPUTDIR)/objs && \ + $(DUMP_SYMBOLS_CMD) | $(NAWK) $(FILTER_SYMBOLS_AWK_SCRIPT) | $(SORT) -u > $@ + +SYMBOLS_SRC += $(JVM_OUTPUTDIR)/symbols-objects + +################################################################################ +# Now concatenate all symbol lists into a single file and remove comments. + +$(JVM_OUTPUTDIR)/symbols: $(SYMBOLS_SRC) + $(SED) -e '/^#/d' $^ > $@ + +################################################################################ +# Finally convert the symbol list into a platform-specific mapfile + +$(JVM_MAPFILE): $(JVM_OUTPUTDIR)/symbols + $(call LogInfo, Creating mapfile) + $(RM) $@ + ifeq ($(OPENJDK_TARGET_OS), macosx) + # On macosx, we need to add a leading underscore + $(AWK) '{ if ($$0 ~ ".") { print " _" $$0 } }' < $^ > $@.tmp + else ifeq ($(OPENJDK_TARGET_OS), windows) + # On windows, add an 'EXPORTS' header + $(ECHO) "EXPORTS" > $@.tmp + $(AWK) '{ if ($$0 ~ ".") { print " " $$0 } }' < $^ >> $@.tmp + else + # Assume standard linker script + $(PRINTF) "SUNWprivate_1.1 { \n global: \n" > $@.tmp + $(AWK) '{ if ($$0 ~ ".") { print " " $$0 ";" } }' < $^ >> $@.tmp + $(PRINTF) " local: \n *; \n }; \n" >> $@.tmp + endif + $(MV) $@.tmp $@