1export MakeInc_cmd=${SRCROOT}/makedefs/MakeInc.cmd 2export MakeInc_def=${SRCROOT}/makedefs/MakeInc.def 3export MakeInc_rule=${SRCROOT}/makedefs/MakeInc.rule 4export MakeInc_dir=${SRCROOT}/makedefs/MakeInc.dir 5 6include $(MakeInc_cmd) 7include $(MakeInc_def) 8 9# config is not a COMPONENT but we still want to build most files in a TARGET subdir 10override TARGET := $(OBJPATH)/config 11 12MD_SUPPORTED_KPI_FILENAME := SupportedKPIs-${CURRENT_ARCH_CONFIG_LC}.txt 13MI_SUPPORTED_KPI_FILENAME := SupportedKPIs-all-archs.txt 14 15INSTALL_KEXT_DIR = $(DSTROOT)$(INSTALL_EXTENSIONS_DIR) 16 17KEXT_PLIST_LIST := \ 18 System.kext/Info.plist \ 19 System.kext/PlugIns/Kasan.kext/Info.plist \ 20 System.kext/PlugIns/Kcov.kext/Info.plist \ 21 System.kext/PlugIns/AppleNMI.kext/Info.plist \ 22 System.kext/PlugIns/ApplePlatformFamily.kext/Info.plist \ 23 System.kext/PlugIns/IONVRAMFamily.kext/Info.plist \ 24 System.kext/PlugIns/IOSystemManagement.kext/Info.plist 25 26SYMBOL_COMPONENT_LIST := \ 27 BSDKernel \ 28 IOKit \ 29 Libkern \ 30 Mach \ 31 MACFramework \ 32 Unsupported \ 33 Private 34 35SYMBOL_SET_PLIST_COMPONENT_LIST := $(SYMBOL_COMPONENT_LIST) Kasan Kcov 36 37KEXT_PLIST_LIST += $(foreach symbolset,$(SYMBOL_COMPONENT_LIST),System.kext/PlugIns/$(symbolset).kext/Info.plist) 38 39# In general you want it to be possible to have a CPU sub-type's symbol exports 40# alias to the parent type's exports. This is a special-case way to handle it 41# for now: 42ifeq ($(CURRENT_ARCH_CONFIG_LC),x86_64h) 43EXPORT_SOURCE_ARCH_CONFIG_LC := x86_64 44else 45EXPORT_SOURCE_ARCH_CONFIG_LC := $(CURRENT_ARCH_CONFIG_LC) 46endif 47 48EXPORTS_FILES := $(foreach symbolset,$(SYMBOL_COMPONENT_LIST),$(symbolset).exports \ 49 $(symbolset).$(EXPORT_SOURCE_ARCH_CONFIG_LC).exports \ 50 $(notdir $(wildcard $(SOURCE)/$(symbolset).$(EXPORT_SOURCE_ARCH_CONFIG_LC).$(PLATFORM).exports))) \ 51 Unused.exports 52 53Kasan_EXPORTS := $(SRCROOT)/config/Kasan_disabled.exports 54Kcov_EXPORTS := $(SRCROOT)/config/Kcov_disabled.exports 55 56ifneq ($(filter $(CURRENT_KERNEL_CONFIG),$(KCOV_RUNTIME)),) 57Kcov_EXPORTS := $(SRCROOT)/config/Kcov_enabled.exports 58endif 59 60ifeq ($(KASAN),1) 61Kasan_EXPORTS := $(SRCROOT)/config/Kasan_enabled.exports 62endif 63 64define symbol_set_template 65$(1)_EXPORTS := $$(addprefix $$(SOURCE)/,$$(filter $(1)%,$$(EXPORTS_FILES))) 66$$(TARGET)/$(1).symbolset: MY_EXPORTS_ARGS := $$(foreach file,$$($(1)_EXPORTS),-export $$(file)) 67$$(TARGET)/$(1).symbolset: $$($(1)_EXPORTS) $$(TARGET)/allsymbols $$(KEXT_CREATE_SYMBOL_SET) 68 @$$(LOG_SYMBOLSET) "$(1)$$(Color0) ($$(ColorLF)$$(CURRENT_ARCH_CONFIG_LC)$$(Color0))" 69 $$(_v)$$(KEXT_CREATE_SYMBOL_SET) \ 70 $$(ARCH_FLAGS_$$(CURRENT_ARCH_CONFIG)) \ 71 -import $$(TARGET)/allsymbols \ 72 $$(MY_EXPORTS_ARGS) \ 73 -output $$@ $$(_vstdout) 74 75SYMBOL_SET_BUILD += $$(TARGET)/$(1).symbolset 76endef 77 78# Each parallel invocation of this target must use a distinct location, as it is 79# not safe to call multiple NEWVERS on the same file concurrently (rdar://66173684) 80define kext_plist_template 81$$(TARGET)/$(1): $$(SOURCE)/$(1) $$(NEWVERS) $$(SRCROOT)/config/MasterVersion 82 @$$(LOG_GENERATE) "$(1)" 83 $$(_v)$$(MKDIR) $$(@D) 84 $$(_v)$$(CP) $$< $$@ 85 $$(_v)$$(NEWVERS) $$@ > /dev/null 86 87KEXT_PLIST_BUILD += $$(TARGET)/$(1) 88SYMROOT_INSTALL_KEXT_PLISTS += $$(SYMROOT)/$(1) 89DSTROOT_INSTALL_KEXT_PLISTS += $$(INSTALL_KEXT_DIR)/$(1) 90endef 91 92define symbol_set_plist_template 93$(1)_KEXT_PLIST := $$(filter %/$(1).kext/Info.plist,$$(KEXT_PLIST_LIST)) 94$$(TARGET)/$(1).symbolset.plist: $$(TARGET)/$$($(1)_KEXT_PLIST) $$($(1)_EXPORTS) 95 @$$(LOG_SYMBOLSETPLIST) "$(1)$$(Color0) ($$(ColorLF)$$(CURRENT_ARCH_CONFIG_LC)$$(Color0))" 96 $$(_v)$$(SOURCE)/generate_symbolset_plist.sh $$@ $$+ $$(_vstdout) 97 $$(_v)$$(PLUTIL) -lint -s $$@ 98 99SYMBOL_SET_PLIST_BUILD += $$(TARGET)/$(1).symbolset.plist 100endef 101 102$(foreach symbolset,$(SYMBOL_COMPONENT_LIST),$(eval $(call symbol_set_template,$(symbolset)))) 103$(foreach plist,$(KEXT_PLIST_LIST),$(eval $(call kext_plist_template,$(plist)))) 104$(foreach symbolset,$(SYMBOL_SET_PLIST_COMPONENT_LIST),$(eval $(call symbol_set_plist_template,$(symbolset)))) 105 106$(OBJPATH)/symbolsets.plist: $(SYMBOL_SET_PLIST_BUILD) 107 $(_v)$(SOURCE)/generate_combined_symbolsets_plist.sh $@ $^ $(_vstdout) 108 $(_v)$(PLUTIL) -convert binary1 -s $@ 109 110build_symbol_set_plists: $(KEXT_PLIST_BUILD) $(OBJPATH)/symbolsets.plist 111 112$(TARGET)/allsymbols: $(OBJPATH)/$(KERNEL_FILE_NAME) 113 $(_v)$(NM) -gj $< | sort -u > $@ 114 115check_all_exports: $(TARGET)/allsymbols $(KEXT_CREATE_SYMBOL_SET) 116 $(_v)$(KEXT_CREATE_SYMBOL_SET) \ 117 $(ARCH_FLAGS_$(CURRENT_ARCH_CONFIG)) \ 118 -import $(TARGET)/allsymbols \ 119 $(foreach symbolset,$(filter-out Private,$(SYMBOL_COMPONENT_LIST)), \ 120 -export $(SOURCE)/$(symbolset).exports \ 121 -export $(SOURCE)/$(symbolset).$(EXPORT_SOURCE_ARCH_CONFIG_LC).exports) \ 122 -output /dev/null $(_vstdout) 123 $(_v)$(KEXT_CREATE_SYMBOL_SET) \ 124 $(ARCH_FLAGS_$(CURRENT_ARCH_CONFIG)) \ 125 -import $(TARGET)/allsymbols \ 126 $(foreach symbolset,$(filter-out Unsupported,$(SYMBOL_COMPONENT_LIST)), \ 127 -export $(SOURCE)/$(symbolset).exports \ 128 -export $(SOURCE)/$(symbolset).$(EXPORT_SOURCE_ARCH_CONFIG_LC).exports) \ 129 -output /dev/null $(_vstdout) 130 131$(OBJPATH)/$(MD_SUPPORTED_KPI_FILENAME): $(EXPORTS_FILES) 132 @$(LOG_SUPPORTED_KPI) "$(CURRENT_ARCH_CONFIG_LC)" 133 $(_v)$(SRCROOT)/config/list_supported.sh $(SOURCE) $(EXPORT_SOURCE_ARCH_CONFIG_LC) $@ 134 135$(OBJPATH)/$(MI_SUPPORTED_KPI_FILENAME): $(EXPORTS_FILES) 136 @$(LOG_SUPPORTED_KPI) "all" 137 $(_v)$(SRCROOT)/config/list_supported.sh $(SOURCE) all $@ 138 139build_symbol_sets: check_all_exports $(SYMBOL_SET_BUILD) $(TARGET)/allsymbols \ 140 $(OBJPATH)/$(MD_SUPPORTED_KPI_FILENAME) \ 141 $(OBJPATH)/$(MI_SUPPORTED_KPI_FILENAME) 142 143# Generate rules for symroot fat kexts with dependencies on every corresponding symbolset for each build config. 144# This target must only run from do_config_install for a single build config after the do_config_all phases for 145# all build configs have completed. This ensures every unique slice built by any config is pulled into the fat 146# symbolset kext (note that not all slices are reflected as distinct xnu build config ARCHS!) (rdar://70703349) 147define symroot_symbol_set_template 148$$(SYMROOT_SYSTEM_KEXT_PATH)/$(1).kext/$(1): $$(addsuffix /config/$(1).symbolset, \ 149 $$(addprefix $$(OBJROOT)/,$$(foreach bc,$(BUILD_CONFIGS),$$(call function_convert_build_config_to_objdir,$$(bc))))) 150 @$$(LOG_INSTALLSYM) "$$(Color0)symbolset $$(ColorF)$(1)" 151 $$(_v)$$(MKDIR) $$(@D) 152 $$(_v)$$(LIPO) -create `(echo $$^ | xargs -L 1 lipo -detailed_info) | \ 153 awk '/is architecture/ {s[$$$$6]=$$$$3} END {for (a in s) {print s[a]}}'` -output $$@ $$(_vstdout) 154 155SYMROOT_INSTALL_KEXT_MACHO_FILES += $$(SYMROOT_SYSTEM_KEXT_PATH)/$(1).kext/$(1) 156DSTROOT_INSTALL_KEXT_MACHO_FILES += $$(DSTROOT_SYSTEM_KEXT_PATH)/$(1).kext/$(1) 157endef 158$(foreach symbolset,$(SYMBOL_COMPONENT_LIST),$(eval $(call symroot_symbol_set_template,$(symbolset)))) 159 160$(SYMROOT_INSTALL_KEXT_PLISTS): $(SYMROOT)/% : $(TARGET)/% 161 $(_v)$(MKDIR) $(@D) 162 @$(LOG_INSTALLSYM) "$(Color0)kextplist $(ColorF)$*" 163 $(_v)$(INSTALL) $(DATA_INSTALL_FLAGS) $< $@ 164 165$(DSTROOT_INSTALL_KEXT_PLISTS): $(INSTALL_KEXT_DIR)/% : $(SYMROOT)/% 166 $(_v)$(MKDIR) $(@D) 167 @$(LOG_INSTALL) "$(Color0)kextplist $(ColorF)$*" 168 $(_v)$(INSTALL) $(DATA_INSTALL_FLAGS) $< $@ 169 170$(DSTROOT_INSTALL_KEXT_MACHO_FILES): $(DSTROOT_SYSTEM_KEXT_PATH)/% : $(SYMROOT_SYSTEM_KEXT_PATH)/% 171 $(_v)$(MKDIR) $(@D) 172 @$(LOG_INSTALL) "$(Color0)symbolset $(ColorF)$(@F)" 173 $(_v)$(INSTALL) $(EXEC_INSTALL_FLAGS) $< $@ 174 175$(DSTROOT)/$(KRESDIR)/$(MD_SUPPORTED_KPI_FILENAME) $(DSTROOT)/$(KRESDIR)/$(MI_SUPPORTED_KPI_FILENAME): $(DSTROOT)/$(KRESDIR)/% : $(OBJPATH)/% 176 $(_v)$(MKDIR) $(@D) 177 @$(LOG_INSTALL) "$*" 178 $(_v)$(INSTALL) $(INSTALL_FLAGS) $< $@ 179 180ifneq ($(RC_ProjectName),xnu_libraries) 181 182do_build_all:: build_symbol_set_plists 183do_config_all:: build_symbol_sets 184 185ifneq ($(INSTALL_KASAN_ONLY),1) 186 187do_config_install_primary:: \ 188 $(DSTROOT)/$(KRESDIR)/$(MD_SUPPORTED_KPI_FILENAME) 189 190do_config_install:: \ 191 $(SYMROOT_INSTALL_KEXT_MACHO_FILES) \ 192 $(SYMROOT_INSTALL_KEXT_PLISTS) \ 193 $(DSTROOT_INSTALL_KEXT_MACHO_FILES) \ 194 $(DSTROOT_INSTALL_KEXT_PLISTS) \ 195 $(DSTROOT)/$(KRESDIR)/$(MI_SUPPORTED_KPI_FILENAME) 196endif 197 198else 199# We are building XNU as a static library - avoid creating symbol sets 200endif 201 202$(OBJPATH)/all-kpi.exp: $(EXPORTS_FILES) 203 $(_v)$(SOURCE)/generate_linker_exports.sh $@ $+ $(Kasan_EXPORTS) $(Kcov_EXPORTS) 204 205$(OBJPATH)/all-alias.exp: $(EXPORTS_FILES) 206 $(_v)$(SOURCE)/generate_linker_aliases.sh $@ $+ $(Kasan_EXPORTS) $(Kcov_EXPORTS) 207 208do_build_all:: $(OBJPATH)/all-kpi.exp $(OBJPATH)/all-alias.exp 209 210include $(MakeInc_rule) 211include $(MakeInc_dir) 212 213.PHONY: build_symbol_set_plists build_symbol_sets check_all_exports 214