11 # This code is distributed in the hope that it will be useful, but WITHOUT 12 # ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 13 # FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 14 # version 2 for more details (a copy is included in the LICENSE file that 15 # accompanied this code). 16 # 17 # You should have received a copy of the GNU General Public License version 18 # 2 along with this work; if not, write to the Free Software Foundation, 19 # Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 20 # 21 # Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 22 # or visit www.oracle.com if you need additional information or have any 23 # questions. 24 # 25 26 $(eval $(call IncludeCustomExtension, hotspot/lib/JvmMapfile.gmk)) 27 28 ################################################################################ 29 # Combine a list of static symbols 30 31 ifneq ($(OPENJDK_TARGET_OS)-$(OPENJDK_TARGET_CPU), windows-x86_64) 32 # On Windows x86_64, we should not have any symbols at all, since that 33 # results in duplicate warnings from the linker (JDK-8043491). 34 SYMBOLS_SRC += $(TOPDIR)/make/hotspot/symbols/symbols-shared 35 endif 36 37 ifeq ($(OPENJDK_TARGET_OS_TYPE), unix) 38 SYMBOLS_SRC += $(TOPDIR)/make/hotspot/symbols/symbols-unix 39 endif 40 41 ifneq ($(wildcard $(TOPDIR)/make/hotspot/symbols/symbols-$(OPENJDK_TARGET_OS)), ) 42 SYMBOLS_SRC += $(TOPDIR)/make/hotspot/symbols/symbols-$(OPENJDK_TARGET_OS) 43 endif 44 45 ifneq ($(findstring debug, $(DEBUG_LEVEL)), ) 46 ifneq ($(wildcard $(TOPDIR)/make/hotspot/symbols/symbols-$(OPENJDK_TARGET_OS)-debug), ) 47 SYMBOLS_SRC += $(TOPDIR)/make/hotspot/symbols/symbols-$(OPENJDK_TARGET_OS)-debug 48 endif 49 endif 50 51 ifeq ($(OPENJDK_TARGET_OS), solaris) 52 ifeq ($(call check-jvm-feature, dtrace), true) 53 # Additional mapfiles that are only used when dtrace is enabled 54 ifeq ($(call check-jvm-feature, compiler2), true) 55 # This also covers the case of compiler1+compiler2. 56 SYMBOLS_SRC += $(TOPDIR)/make/hotspot/symbols/symbols-solaris-dtrace-compiler2 57 else ifeq ($(call check-jvm-feature, compiler1), true) 58 SYMBOLS_SRC += $(TOPDIR)/make/hotspot/symbols/symbols-solaris-dtrace-compiler1 59 endif 60 endif 61 endif 62 63 ################################################################################ 64 # Create a dynamic list of symbols from the built object files. This is highly 65 # platform dependent. 66 67 ifeq ($(OPENJDK_TARGET_OS), linux) 68 DUMP_SYMBOLS_CMD := $(NM) --defined-only *.o 69 ifneq ($(FILTER_SYMBOLS_PATTERN), ) 70 FILTER_SYMBOLS_PATTERN := $(FILTER_SYMBOLS_PATTERN)| 71 endif 72 FILTER_SYMBOLS_PATTERN := $(FILTER_SYMBOLS_PATTERN)^_ZTV|^gHotSpotVM|^UseSharedSpaces$$ 73 FILTER_SYMBOLS_PATTERN := $(FILTER_SYMBOLS_PATTERN)|^_ZN9Arguments17SharedArchivePathE$$ 74 FILTER_SYMBOLS_AWK_SCRIPT := \ 75 '{ \ 76 if ($$3 ~ /$(FILTER_SYMBOLS_PATTERN)/) print $$3; \ 77 }' 78 79 else ifeq ($(OPENJDK_TARGET_OS), solaris) 80 DUMP_SYMBOLS_CMD := $(NM) -p *.o 81 ifneq ($(FILTER_SYMBOLS_PATTERN), ) 82 FILTER_SYMBOLS_PATTERN := $(FILTER_SYMBOLS_PATTERN)| 83 endif 84 FILTER_SYMBOLS_PATTERN := $(FILTER_SYMBOLS_PATTERN)^__1c.*__vtbl_$$|^gHotSpotVM 85 FILTER_SYMBOLS_PATTERN := $(FILTER_SYMBOLS_PATTERN)|^UseSharedSpaces$$ 86 FILTER_SYMBOLS_PATTERN := $(FILTER_SYMBOLS_PATTERN)|^__1cJArgumentsRSharedArchivePath_$$ 87 FILTER_SYMBOLS_AWK_SCRIPT := \ 88 '{ \ 89 if ($$2 == "U") next; \ 90 if ($$3 ~ /$(FILTER_SYMBOLS_PATTERN)/) print $$3; \ 91 }' 92 93 else ifeq ($(OPENJDK_TARGET_OS), macosx) 94 # nm on macosx prints out "warning: nm: no name list" to stderr for 95 # files without symbols. Hide this, even at the expense of hiding real errors. 96 DUMP_SYMBOLS_CMD := $(NM) -Uj *.o 2> /dev/null 97 ifneq ($(FILTER_SYMBOLS_PATTERN), ) 98 FILTER_SYMBOLS_PATTERN := $(FILTER_SYMBOLS_PATTERN)| 99 endif 100 FILTER_SYMBOLS_PATTERN := $(FILTER_SYMBOLS_PATTERN)^_ZTV|^gHotSpotVM 101 FILTER_SYMBOLS_AWK_SCRIPT := \ 102 '{ \ 103 if ($$3 ~ /$(FILTER_SYMBOLS_PATTERN)/) print $$3; \ 104 }' 105 106 # NOTE: The script is from the old build. It is broken and finds no symbols. 107 # The script below might be what was intended, but it failes to link with tons 108 # of 'cannot export hidden symbol vtable for X'. 109 # '{ if ($$1 ~ /^__ZTV/ || $$1 ~ /^_gHotSpotVM/) print substr($$1, 2) }' 110 else ifeq ($(OPENJDK_TARGET_OS), aix) 111 # NOTE: The old build had the solution below. This should to be fixed in 112 # configure instead. 113 114 # On AIX we have to prevent that we pick up the 'nm' version from the GNU binutils 115 # which may be installed under /opt/freeware/bin. So better use an absolute path here! 116 # NM=/usr/bin/nm 117 118 DUMP_SYMBOLS_CMD := $(NM) -X64 -B -C *.o 119 FILTER_SYMBOLS_AWK_SCRIPT := \ 120 '{ \ 121 if (($$2="d" || $$2="D") && ($$3 ~ /^__vft/ || $$3 ~ /^gHotSpotVM/)) print $$3; \ 122 if ($$3 ~ /^UseSharedSpaces$$/) print $$3; \ 123 if ($$3 ~ /^SharedArchivePath__9Arguments$$/) print $$3; \ 124 }' 125 126 else ifeq ($(OPENJDK_TARGET_OS), windows) 127 DUMP_SYMBOLS_CMD := $(DUMPBIN) -symbols *.obj 128 FILTER_SYMBOLS_AWK_SCRIPT := \ 129 '{ \ 130 if ($$7 ~ /??_7.*@@6B@/ && $$7 !~ /type_info/) print $$7; \ 131 }' 132 133 else 134 $(error Unknown target OS $(OPENJDK_TARGET_OS) in JvmMapfile.gmk) 135 endif 136 137 # A more correct solution would be to send BUILD_LIBJVM_ALL_OBJS instead of 138 # cd && *.o, but this will result in very long command lines, which is 139 # problematic on some platforms. 140 $(JVM_OUTPUTDIR)/symbols-objects: $(BUILD_LIBJVM_ALL_OBJS) 141 $(call LogInfo, Generating symbol list from object files) 142 $(CD) $(JVM_OUTPUTDIR)/objs && \ 143 $(DUMP_SYMBOLS_CMD) | $(NAWK) $(FILTER_SYMBOLS_AWK_SCRIPT) | $(SORT) -u > $@ 144 145 SYMBOLS_SRC += $(JVM_OUTPUTDIR)/symbols-objects 146 147 ################################################################################ 148 # Now concatenate all symbol lists into a single file and remove comments. 149 150 $(JVM_OUTPUTDIR)/symbols: $(SYMBOLS_SRC) 151 $(SED) -e '/^#/d' $^ > $@ 152 153 ################################################################################ 154 # Finally convert the symbol list into a platform-specific mapfile 155 156 ifeq ($(OPENJDK_TARGET_OS), macosx) 157 # On macosx, we need to add a leading underscore 158 define create-mapfile-work 159 $(AWK) '{ if ($$0 ~ ".") { print " _" $$0 } }' < $^ > $@.tmp 160 endef 161 else ifeq ($(OPENJDK_TARGET_OS), windows) 162 # On windows, add an 'EXPORTS' header 163 define create-mapfile-work 164 $(ECHO) "EXPORTS" > $@.tmp 165 $(AWK) '{ if ($$0 ~ ".") { print " " $$0 } }' < $^ >> $@.tmp 166 endef 167 else 168 # Assume standard linker script 169 define create-mapfile-work 170 $(PRINTF) "SUNWprivate_1.1 { \n global: \n" > $@.tmp 171 $(AWK) '{ if ($$0 ~ ".") { print " " $$0 ";" } }' < $^ >> $@.tmp 172 $(PRINTF) " local: \n *; \n }; \n" >> $@.tmp 173 endef 174 endif 175 176 define create-mapfile 177 $(call LogInfo, Creating mapfile) 178 $(call MakeDir, $(@D)) 179 $(call create-mapfile-work) 180 $(RM) $@ 181 $(MV) $@.tmp $@ | 11 # This code is distributed in the hope that it will be useful, but WITHOUT 12 # ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 13 # FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 14 # version 2 for more details (a copy is included in the LICENSE file that 15 # accompanied this code). 16 # 17 # You should have received a copy of the GNU General Public License version 18 # 2 along with this work; if not, write to the Free Software Foundation, 19 # Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 20 # 21 # Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 22 # or visit www.oracle.com if you need additional information or have any 23 # questions. 24 # 25 26 $(eval $(call IncludeCustomExtension, hotspot/lib/JvmMapfile.gmk)) 27 28 ################################################################################ 29 # Combine a list of static symbols 30 31 ifneq ($(call isTargetOs, windows)+$(call isTargetCpu, x86_64), true+true) 32 # On Windows x86_64, we should not have any symbols at all, since that 33 # results in duplicate warnings from the linker (JDK-8043491). 34 SYMBOLS_SRC += $(TOPDIR)/make/hotspot/symbols/symbols-shared 35 endif 36 37 ifeq ($(call isTargetOsType, unix), true) 38 SYMBOLS_SRC += $(TOPDIR)/make/hotspot/symbols/symbols-unix 39 endif 40 41 ifneq ($(wildcard $(TOPDIR)/make/hotspot/symbols/symbols-$(OPENJDK_TARGET_OS)), ) 42 SYMBOLS_SRC += $(TOPDIR)/make/hotspot/symbols/symbols-$(OPENJDK_TARGET_OS) 43 endif 44 45 ifneq ($(findstring debug, $(DEBUG_LEVEL)), ) 46 ifneq ($(wildcard $(TOPDIR)/make/hotspot/symbols/symbols-$(OPENJDK_TARGET_OS)-debug), ) 47 SYMBOLS_SRC += $(TOPDIR)/make/hotspot/symbols/symbols-$(OPENJDK_TARGET_OS)-debug 48 endif 49 endif 50 51 ifeq ($(call isTargetOs, solaris), true) 52 ifeq ($(call check-jvm-feature, dtrace), true) 53 # Additional mapfiles that are only used when dtrace is enabled 54 ifeq ($(call check-jvm-feature, compiler2), true) 55 # This also covers the case of compiler1+compiler2. 56 SYMBOLS_SRC += $(TOPDIR)/make/hotspot/symbols/symbols-solaris-dtrace-compiler2 57 else ifeq ($(call check-jvm-feature, compiler1), true) 58 SYMBOLS_SRC += $(TOPDIR)/make/hotspot/symbols/symbols-solaris-dtrace-compiler1 59 endif 60 endif 61 endif 62 63 ################################################################################ 64 # Create a dynamic list of symbols from the built object files. This is highly 65 # platform dependent. 66 67 ifeq ($(call isTargetOs, linux), true) 68 DUMP_SYMBOLS_CMD := $(NM) --defined-only *.o 69 ifneq ($(FILTER_SYMBOLS_PATTERN), ) 70 FILTER_SYMBOLS_PATTERN := $(FILTER_SYMBOLS_PATTERN)| 71 endif 72 FILTER_SYMBOLS_PATTERN := $(FILTER_SYMBOLS_PATTERN)^_ZTV|^gHotSpotVM|^UseSharedSpaces$$ 73 FILTER_SYMBOLS_PATTERN := $(FILTER_SYMBOLS_PATTERN)|^_ZN9Arguments17SharedArchivePathE$$ 74 FILTER_SYMBOLS_AWK_SCRIPT := \ 75 '{ \ 76 if ($$3 ~ /$(FILTER_SYMBOLS_PATTERN)/) print $$3; \ 77 }' 78 79 else ifeq ($(call isTargetOs, solaris), true) 80 DUMP_SYMBOLS_CMD := $(NM) -p *.o 81 ifneq ($(FILTER_SYMBOLS_PATTERN), ) 82 FILTER_SYMBOLS_PATTERN := $(FILTER_SYMBOLS_PATTERN)| 83 endif 84 FILTER_SYMBOLS_PATTERN := $(FILTER_SYMBOLS_PATTERN)^__1c.*__vtbl_$$|^gHotSpotVM 85 FILTER_SYMBOLS_PATTERN := $(FILTER_SYMBOLS_PATTERN)|^UseSharedSpaces$$ 86 FILTER_SYMBOLS_PATTERN := $(FILTER_SYMBOLS_PATTERN)|^__1cJArgumentsRSharedArchivePath_$$ 87 FILTER_SYMBOLS_AWK_SCRIPT := \ 88 '{ \ 89 if ($$2 == "U") next; \ 90 if ($$3 ~ /$(FILTER_SYMBOLS_PATTERN)/) print $$3; \ 91 }' 92 93 else ifeq ($(call isTargetOs, macosx), true) 94 # nm on macosx prints out "warning: nm: no name list" to stderr for 95 # files without symbols. Hide this, even at the expense of hiding real errors. 96 DUMP_SYMBOLS_CMD := $(NM) -Uj *.o 2> /dev/null 97 ifneq ($(FILTER_SYMBOLS_PATTERN), ) 98 FILTER_SYMBOLS_PATTERN := $(FILTER_SYMBOLS_PATTERN)| 99 endif 100 FILTER_SYMBOLS_PATTERN := $(FILTER_SYMBOLS_PATTERN)^_ZTV|^gHotSpotVM 101 FILTER_SYMBOLS_AWK_SCRIPT := \ 102 '{ \ 103 if ($$3 ~ /$(FILTER_SYMBOLS_PATTERN)/) print $$3; \ 104 }' 105 106 # NOTE: The script is from the old build. It is broken and finds no symbols. 107 # The script below might be what was intended, but it failes to link with tons 108 # of 'cannot export hidden symbol vtable for X'. 109 # '{ if ($$1 ~ /^__ZTV/ || $$1 ~ /^_gHotSpotVM/) print substr($$1, 2) }' 110 else ifeq ($(call isTargetOs, aix), true) 111 # NOTE: The old build had the solution below. This should to be fixed in 112 # configure instead. 113 114 # On AIX we have to prevent that we pick up the 'nm' version from the GNU binutils 115 # which may be installed under /opt/freeware/bin. So better use an absolute path here! 116 # NM=/usr/bin/nm 117 118 DUMP_SYMBOLS_CMD := $(NM) -X64 -B -C *.o 119 FILTER_SYMBOLS_AWK_SCRIPT := \ 120 '{ \ 121 if (($$2="d" || $$2="D") && ($$3 ~ /^__vft/ || $$3 ~ /^gHotSpotVM/)) print $$3; \ 122 if ($$3 ~ /^UseSharedSpaces$$/) print $$3; \ 123 if ($$3 ~ /^SharedArchivePath__9Arguments$$/) print $$3; \ 124 }' 125 126 else ifeq ($(call isTargetOs, windows), true) 127 DUMP_SYMBOLS_CMD := $(DUMPBIN) -symbols *.obj 128 FILTER_SYMBOLS_AWK_SCRIPT := \ 129 '{ \ 130 if ($$7 ~ /??_7.*@@6B@/ && $$7 !~ /type_info/) print $$7; \ 131 }' 132 133 else 134 $(error Unknown target OS $(OPENJDK_TARGET_OS) in JvmMapfile.gmk) 135 endif 136 137 # A more correct solution would be to send BUILD_LIBJVM_ALL_OBJS instead of 138 # cd && *.o, but this will result in very long command lines, which is 139 # problematic on some platforms. 140 $(JVM_OUTPUTDIR)/symbols-objects: $(BUILD_LIBJVM_ALL_OBJS) 141 $(call LogInfo, Generating symbol list from object files) 142 $(CD) $(JVM_OUTPUTDIR)/objs && \ 143 $(DUMP_SYMBOLS_CMD) | $(NAWK) $(FILTER_SYMBOLS_AWK_SCRIPT) | $(SORT) -u > $@ 144 145 SYMBOLS_SRC += $(JVM_OUTPUTDIR)/symbols-objects 146 147 ################################################################################ 148 # Now concatenate all symbol lists into a single file and remove comments. 149 150 $(JVM_OUTPUTDIR)/symbols: $(SYMBOLS_SRC) 151 $(SED) -e '/^#/d' $^ > $@ 152 153 ################################################################################ 154 # Finally convert the symbol list into a platform-specific mapfile 155 156 ifeq ($(call isTargetOs, macosx), true) 157 # On macosx, we need to add a leading underscore 158 define create-mapfile-work 159 $(AWK) '{ if ($$0 ~ ".") { print " _" $$0 } }' < $^ > $@.tmp 160 endef 161 else ifeq ($(call isTargetOs, windows), true) 162 # On windows, add an 'EXPORTS' header 163 define create-mapfile-work 164 $(ECHO) "EXPORTS" > $@.tmp 165 $(AWK) '{ if ($$0 ~ ".") { print " " $$0 } }' < $^ >> $@.tmp 166 endef 167 else 168 # Assume standard linker script 169 define create-mapfile-work 170 $(PRINTF) "SUNWprivate_1.1 { \n global: \n" > $@.tmp 171 $(AWK) '{ if ($$0 ~ ".") { print " " $$0 ";" } }' < $^ >> $@.tmp 172 $(PRINTF) " local: \n *; \n }; \n" >> $@.tmp 173 endef 174 endif 175 176 define create-mapfile 177 $(call LogInfo, Creating mapfile) 178 $(call MakeDir, $(@D)) 179 $(call create-mapfile-work) 180 $(RM) $@ 181 $(MV) $@.tmp $@ |