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1 # |
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2 # Copyright (c) 2013, 2016, Oracle and/or its affiliates. All rights reserved. |
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3 # DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
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4 # |
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5 # This code is free software; you can redistribute it and/or modify it |
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6 # under the terms of the GNU General Public License version 2 only, as |
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7 # published by the Free Software Foundation. Oracle designates this |
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8 # particular file as subject to the "Classpath" exception as provided |
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9 # by Oracle in the LICENSE file that accompanied this code. |
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10 # |
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11 # This code is distributed in the hope that it will be useful, but WITHOUT |
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12 # ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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13 # FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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14 # version 2 for more details (a copy is included in the LICENSE file that |
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15 # accompanied this code). |
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16 # |
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17 # You should have received a copy of the GNU General Public License version |
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18 # 2 along with this work; if not, write to the Free Software Foundation, |
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19 # Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
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20 # |
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21 # Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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22 # or visit www.oracle.com if you need additional information or have any |
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23 # questions. |
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24 # |
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25 |
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26 $(eval $(call IncludeCustomExtension, hotspot, lib/JvmMapfile.gmk)) |
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27 |
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28 ################################################################################ |
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29 # Combine a list of static symbols |
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30 |
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31 ifneq ($(OPENJDK_TARGET_OS)-$(OPENJDK_TARGET_CPU), windows-x86_64) |
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32 # On Windows x86_64, we should not have any symbols at all, since that |
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33 # results in duplicate warnings from the linker (JDK-8043491). |
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34 SYMBOLS_SRC += $(HOTSPOT_TOPDIR)/makefiles/symbols/symbols-shared |
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35 endif |
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36 |
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37 ifeq ($(OPENJDK_TARGET_OS_TYPE), unix) |
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38 SYMBOLS_SRC += $(HOTSPOT_TOPDIR)/makefiles/symbols/symbols-unix |
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39 endif |
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40 |
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41 ifneq ($(wildcard $(HOTSPOT_TOPDIR)/makefiles/symbols/symbols-$(OPENJDK_TARGET_OS)), ) |
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42 SYMBOLS_SRC += $(HOTSPOT_TOPDIR)/makefiles/symbols/symbols-$(OPENJDK_TARGET_OS) |
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43 endif |
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44 |
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45 ifneq ($(findstring debug, $(DEBUG_LEVEL)), ) |
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46 ifneq ($(wildcard $(HOTSPOT_TOPDIR)/makefiles/symbols/symbols-$(OPENJDK_TARGET_OS)-debug), ) |
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47 SYMBOLS_SRC += $(HOTSPOT_TOPDIR)/makefiles/symbols/symbols-$(OPENJDK_TARGET_OS)-debug |
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48 endif |
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49 endif |
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50 |
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51 ifeq ($(OPENJDK_TARGET_OS), solaris) |
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52 ifeq ($(call check-jvm-feature, dtrace), true) |
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53 # Additional mapfiles that are only used when dtrace is enabled |
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54 ifeq ($(call check-jvm-feature, compiler2), true) |
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55 # This also covers the case of compiler1+compiler2. |
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56 SYMBOLS_SRC += $(HOTSPOT_TOPDIR)/makefiles/symbols/symbols-solaris-dtrace-compiler2 |
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57 else ifeq ($(call check-jvm-feature, compiler1), true) |
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58 SYMBOLS_SRC += $(HOTSPOT_TOPDIR)/makefiles/symbols/symbols-solaris-dtrace-compiler1 |
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59 endif |
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60 endif |
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61 endif |
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62 |
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63 ################################################################################ |
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64 # Create a dynamic list of symbols from the built object files. This is highly |
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65 # platform dependent. |
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66 |
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67 ifeq ($(OPENJDK_TARGET_OS), linux) |
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68 DUMP_SYMBOLS_CMD := $(NM) --defined-only *.o |
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69 ifneq ($(FILTER_SYMBOLS_PATTERN), ) |
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70 FILTER_SYMBOLS_PATTERN := $(FILTER_SYMBOLS_PATTERN)| |
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71 endif |
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72 FILTER_SYMBOLS_PATTERN := $(FILTER_SYMBOLS_PATTERN)^_ZTV|^gHotSpotVM|^UseSharedSpaces$$ |
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73 FILTER_SYMBOLS_PATTERN := $(FILTER_SYMBOLS_PATTERN)|^_ZN9Arguments17SharedArchivePathE$$ |
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74 FILTER_SYMBOLS_AWK_SCRIPT := \ |
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75 '{ \ |
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76 if ($$3 ~ /$(FILTER_SYMBOLS_PATTERN)/) print $$3; \ |
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77 }' |
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78 |
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79 else ifeq ($(OPENJDK_TARGET_OS), solaris) |
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80 DUMP_SYMBOLS_CMD := $(NM) -p *.o |
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81 ifneq ($(FILTER_SYMBOLS_PATTERN), ) |
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82 FILTER_SYMBOLS_PATTERN := $(FILTER_SYMBOLS_PATTERN)| |
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83 endif |
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84 FILTER_SYMBOLS_PATTERN := $(FILTER_SYMBOLS_PATTERN)^__1c.*__vtbl_$$|^gHotSpotVM |
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85 FILTER_SYMBOLS_PATTERN := $(FILTER_SYMBOLS_PATTERN)|^UseSharedSpaces$$ |
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86 FILTER_SYMBOLS_PATTERN := $(FILTER_SYMBOLS_PATTERN)|^__1cJArgumentsRSharedArchivePath_$$ |
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87 FILTER_SYMBOLS_AWK_SCRIPT := \ |
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88 '{ \ |
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89 if ($$2 == "U") next; \ |
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90 if ($$3 ~ /$(FILTER_SYMBOLS_PATTERN)/) print $$3; \ |
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91 }' |
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92 |
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93 else ifeq ($(OPENJDK_TARGET_OS), macosx) |
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94 # nm on macosx prints out "warning: nm: no name list" to stderr for |
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95 # files without symbols. Hide this, even at the expense of hiding real errors. |
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96 DUMP_SYMBOLS_CMD := $(NM) -Uj *.o 2> /dev/null |
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97 ifneq ($(FILTER_SYMBOLS_PATTERN), ) |
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98 FILTER_SYMBOLS_PATTERN := $(FILTER_SYMBOLS_PATTERN)| |
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99 endif |
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100 FILTER_SYMBOLS_PATTERN := $(FILTER_SYMBOLS_PATTERN)^_ZTV|^gHotSpotVM |
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101 FILTER_SYMBOLS_AWK_SCRIPT := \ |
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102 '{ \ |
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103 if ($$3 ~ /$(FILTER_SYMBOLS_PATTERN)/) print $$3; \ |
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104 }' |
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105 |
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106 # NOTE: The script is from the old build. It is broken and finds no symbols. |
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107 # The script below might be what was intended, but it failes to link with tons |
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108 # of 'cannot export hidden symbol vtable for X'. |
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109 # '{ if ($$1 ~ /^__ZTV/ || $$1 ~ /^_gHotSpotVM/) print substr($$1, 2) }' |
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110 else ifeq ($(OPENJDK_TARGET_OS), aix) |
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111 # NOTE: The old build had the solution below. This should to be fixed in |
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112 # configure instead. |
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113 |
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114 # On AIX we have to prevent that we pick up the 'nm' version from the GNU binutils |
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115 # which may be installed under /opt/freeware/bin. So better use an absolute path here! |
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116 # NM=/usr/bin/nm |
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117 |
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118 DUMP_SYMBOLS_CMD := $(NM) -X64 -B -C *.o |
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119 FILTER_SYMBOLS_AWK_SCRIPT := \ |
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120 '{ \ |
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121 if (($$2="d" || $$2="D") && ($$3 ~ /^__vft/ || $$3 ~ /^gHotSpotVM/)) print $$3; \ |
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122 if ($$3 ~ /^UseSharedSpaces$$/) print $$3; \ |
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123 if ($$3 ~ /^SharedArchivePath__9Arguments$$/) print $$3; \ |
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124 }' |
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125 |
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126 else ifeq ($(OPENJDK_TARGET_OS), windows) |
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127 DUMP_SYMBOLS_CMD := $(DUMPBIN) -symbols *.obj |
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128 FILTER_SYMBOLS_AWK_SCRIPT := \ |
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129 '{ \ |
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130 if ($$7 ~ /??_7.*@@6B@/ && $$7 !~ /type_info/) print $$7; \ |
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131 }' |
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132 |
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133 else |
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134 $(error Unknown target OS $(OPENJDK_TARGET_OS) in JvmMapfile.gmk) |
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135 endif |
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136 |
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137 # A more correct solution would be to send BUILD_LIBJVM_ALL_OBJS instead of |
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138 # cd && *.o, but this will result in very long command lines, which is |
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139 # problematic on some platforms. |
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140 $(JVM_OUTPUTDIR)/symbols-objects: $(BUILD_LIBJVM_ALL_OBJS) |
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141 $(call LogInfo, Generating symbol list from object files) |
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142 $(CD) $(JVM_OUTPUTDIR)/objs && \ |
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143 $(DUMP_SYMBOLS_CMD) | $(NAWK) $(FILTER_SYMBOLS_AWK_SCRIPT) | $(SORT) -u > $@ |
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144 |
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145 SYMBOLS_SRC += $(JVM_OUTPUTDIR)/symbols-objects |
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146 |
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147 ################################################################################ |
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148 # Now concatenate all symbol lists into a single file and remove comments. |
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149 |
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150 $(JVM_OUTPUTDIR)/symbols: $(SYMBOLS_SRC) |
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151 $(SED) -e '/^#/d' $^ > $@ |
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152 |
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153 ################################################################################ |
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154 # Finally convert the symbol list into a platform-specific mapfile |
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155 |
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156 $(JVM_MAPFILE): $(JVM_OUTPUTDIR)/symbols |
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157 $(call LogInfo, Creating mapfile) |
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158 $(RM) $@ |
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159 ifeq ($(OPENJDK_TARGET_OS), macosx) |
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160 # On macosx, we need to add a leading underscore |
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161 $(AWK) '{ if ($$0 ~ ".") { print " _" $$0 } }' < $^ > $@.tmp |
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162 else ifeq ($(OPENJDK_TARGET_OS), windows) |
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163 # On windows, add an 'EXPORTS' header |
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164 $(ECHO) "EXPORTS" > $@.tmp |
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165 $(AWK) '{ if ($$0 ~ ".") { print " " $$0 } }' < $^ >> $@.tmp |
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166 else |
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167 # Assume standard linker script |
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168 $(PRINTF) "SUNWprivate_1.1 { \n global: \n" > $@.tmp |
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169 $(AWK) '{ if ($$0 ~ ".") { print " " $$0 ";" } }' < $^ >> $@.tmp |
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170 $(PRINTF) " local: \n *; \n }; \n" >> $@.tmp |
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171 endif |
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172 $(MV) $@.tmp $@ |