# -*- mode: makefile;-*- # # Copyright (C) 1999-2016 Apple Inc. All rights reserved. # # MakeInc.kernel augments the single-architecture # recursive build system with rules specific # to assembling and linking a kernel. # # # Validate configuration options # ifeq ($(filter $(CURRENT_ARCH_CONFIG),$(SUPPORTED_ARCH_CONFIGS)),) $(error Unsupported CURRENT_ARCH_CONFIG $(CURRENT_ARCH_CONFIG)) endif ifeq ($(filter $(CURRENT_KERNEL_CONFIG),$(SUPPORTED_KERNEL_CONFIGS)),) $(error Unsupported CURRENT_KERNEL_CONFIG $(CURRENT_KERNEL_CONFIG)) endif ifeq ($(filter $(CURRENT_MACHINE_CONFIG),$(SUPPORTED_$(CURRENT_ARCH_CONFIG)_MACHINE_CONFIGS)),) $(error Unsupported CURRENT_MACHINE_CONFIG $(CURRENT_MACHINE_CONFIG)) endif ifeq ($(filter $(PLATFORM),$(SUPPORTED_PLATFORMS)),) $(error Unsupported PLATFORM $(PLATFORM)) endif STATIC_KMODS = $(SRCROOT)/kmods.a ifeq ($(BUILD_JSON_COMPILATION_DATABASE),1) do_build_setup:: $(_v)$(CAT) > $(OBJPATH)/compile_commands.json < /dev/null endif # # Rules for the highly parallel "build" phase, where each build configuration # writes into their own $(TARGET) independent of other build configs # # There are 3 primary build outputs: # 1) $(KERNEL_FILE_NAME).unstripped (raw linked kernel, unstripped) # 2) $(KERNEL_FILE_NAME) (stripped kernel, with optional CTF data) # 3) $(KERNEL_FILE_NAME).dSYM (dSYM) # do_build_all:: do_build_kernel .PHONY: do_build_kernel do_build_kernel: $(TARGET)/$(KERNEL_FILE_NAME) $(TARGET)/$(KERNEL_FILE_NAME).unstripped @: ifeq ($(BUILD_DSYM),1) do_build_all:: do_build_kernel_dSYM endif .PHONY: do_build_kernel_dSYM do_build_kernel_dSYM: $(TARGET)/$(KERNEL_FILE_NAME).dSYM @: .LDFLAGS: ALWAYS $(_v)$(REPLACECONTENTS) $@ $(LD) $(LDFLAGS_KERNEL) $(LD_KERNEL_LIBS) .CFLAGS: ALWAYS $(_v)$(REPLACECONTENTS) $@ $(KCC) $(CFLAGS) $(INCFLAGS) $(TARGET)/$(KERNEL_FILE_NAME): $(TARGET)/$(KERNEL_FILE_NAME).unstripped @echo "$(ColorH)STRIP$(Color0) $(ColorLF)$(@F)$(Color0)" $(_v)$(STRIP) $(STRIP_FLAGS) $< -o $@ $(_v)$(RM) $@.ctfdata ifeq ($(DO_CTFMERGE),1) @echo "$(ColorH)CTFMERGE$(Color0) $(ColorLF)$(@F)$(Color0)" $(_v)$(FIND) $(TARGET)/ -name \*.ctf -size +0 | \ $(XARGS) $(CTFMERGE) -l xnu -o $@ -Z $@.ctfdata || true endif $(_v)if [ -s $@.ctfdata ]; then \ echo "$(ColorH)CTFINSERT$(Color0) $(ColorLF)$(@F)$(Color0)"; \ $(CTFINSERT) $@ $(ARCH_FLAGS_$(CURRENT_ARCH_CONFIG)) \ $@.ctfdata -o $@; \ fi; $(_v)$(LN) $(call function_convert_build_config_to_objdir,$(CURRENT_BUILD_CONFIG))/$(KERNEL_FILE_NAME) $(OBJROOT)/$(KERNEL_FILE_NAME) $(TARGET)/$(KERNEL_FILE_NAME).dSYM: $(TARGET)/$(KERNEL_FILE_NAME).unstripped $(_v)echo "$(ColorH)DSYMUTIL$(Color0) $(ColorLF)$(@F)$(Color0)" $(_v)$(DSYMUTIL) $(DSYMUTIL_FLAGS) $< -o $@ $(_v)$(MV) $@/$(DSYMDWARFDIR)/$(KERNEL_FILE_NAME).unstripped $@/$(DSYMDWARFDIR)/$(KERNEL_FILE_NAME) $(_v)$(TOUCH) $@ $(TARGET)/$(KERNEL_FILE_NAME).unstripped: $(addprefix $(TARGET)/,$(foreach component,$(COMPONENT_LIST),$(component)/$(CURRENT_KERNEL_CONFIG)/$(component).filelist)) lastkerneldataconst.o lastkernelconstructor.o $(SRCROOT)/config/version.c $(SRCROOT)/config/MasterVersion .LDFLAGS $(filter %/MakeInc.kernel,$(MAKEFILE_LIST)) $(_v)${MAKE} -f $(firstword $(MAKEFILE_LIST)) version.o @echo "$(ColorL)LD$(Color0) $(ColorLF)$(@F)$(Color0)" $(_v)$(CAT) $(filter %.filelist,$+) < /dev/null > link.filelist $(_v)$(LD) $(LDFLAGS_KERNEL) -filelist link.filelist version.o $(filter %.o,$+) -o $@ $(LD_KERNEL_LIBS) -include version.d version.o: .CFLAGS $(filter %/MakeInc.kernel,$(MAKEFILE_LIST)) version.o: $(OBJPATH)/version.c ${C_RULE_0} ${C_RULE_1A}$< ${C_RULE_2} ${C_RULE_4} # Always recreate version.sh $(OBJPATH)/version.c: $(SRCROOT)/config/version.c $(NEWVERS) $(SRCROOT)/config/MasterVersion ALWAYS $(_v)$(CP) $< $@ $(_v)$(NEWVERS) $(OBJPATH)/version.c > /dev/null; -include lastkerneldataconst.d lastkerneldataconst.o: .CFLAGS $(filter %/MakeInc.kernel,$(MAKEFILE_LIST)) lastkerneldataconst.o: $(SRCROOT)/libsa/lastkerneldataconst.c ${C_RULE_0} ${C_RULE_1A}$< ${C_RULE_2} lastkernelconstructor.o_CFLAGS_RM = -fprofile-instr-generate # the LAST segment is mapped read-only on arm, so if we include llvm profiling # here it will segfault the kernel. (see arm_vm_init.c) We don't currently have # a way of retrieving these counters from LAST anyway, so there's no harm in just # disabling them. LAST_FILES=lastkernelconstructor.o -include lastkernelconstructor.d lastkernelconstructor.o: .CFLAGS $(filter %/MakeInc.kernel,$(MAKEFILE_LIST)) lastkernelconstructor.o: $(SRCROOT)/libsa/lastkernelconstructor.c ${C_RULE_0} ${C_RULE_1A}$< $(CFLAGS_NOLTO_FLAG) ${C_RULE_2} ${C_RULE_3} ${C_RULE_4} $(_v)for last_file in ${LAST_FILES}; \ do \ $(SEG_HACK) -s __DATA -n __LAST -o $${last_file}__ $${last_file} || exit 1; \ mv $${last_file}__ $${last_file} || exit 1; \ done # # Install rules. Each build config is classified as "primary" (the first # config for an architecture) or "non-primary". Primary build configs # have the semantic of competing to *combine* single-architecture # files into a multi-architecture output in the DSTROOT, like # $(DSTROOT)/$(KERNEL_FILE_NAME), and consequently each primary build config # has its install target run serially with respect to other primary # build configs. Non-primary build configs will never compete for # files in the DSTROOT or SYMROOT, and can be installed in parallel # with other non-primary configs (and even primary configs) # do_build_install_primary:: do_install_machine_specific_kernel ifeq ($(BUILD_DSYM),1) do_build_install_primary:: do_install_machine_specific_kernel_dSYM endif do_build_install_non_primary:: do_install_machine_specific_kernel ifeq ($(BUILD_DSYM),1) do_build_install_non_primary:: do_install_machine_specific_kernel_dSYM endif ifeq ($(BUILD_DSYM),1) ifeq ($(INSTALL_KERNEL_SYM_TO_KDK),1) do_build_install_primary:: do_install_machine_specific_KDK_dSYM do_build_install_non_primary:: do_install_machine_specific_KDK_dSYM endif endif ifeq ($(INSTALL_XNU_DEBUG_FILES),1) do_build_install_primary:: do_install_xnu_debug_files endif .PHONY: do_install_xnu_debug_files do_install_xnu_debug_files: $(DSTROOT)/$(DEVELOPER_EXTRAS_DIR)/README.DEBUG-kernel.txt @: # # If the timestamp indicates the DSTROOT kernel is out of # date, start over. Normal dependencies don't work because we can have # ( BUILDA, BUILDB, INSTALLB, INSTALLA ) in which case at INSTALLA time # the timestamps would $(DSTROOT)/$(KERNEL_FILE_NAME) is not out of date compared # to BUILDA. So we maintain a separate file at the time make(1) # was run and use it to determine what actions to take # $(DSTROOT)/$(INSTALL_KERNEL_DIR)/$(KERNEL_FILE_NAME): $(TARGET)/$(KERNEL_FILE_NAME) ALWAYS $(_v)$(MKDIR) $(dir $@) $(_v)if [ $(OBJROOT)/.mach_kernel.timestamp -nt $@ ]; then \ echo "$(ColorH)INSTALL$(Color0) $(ColorF)$(@F)$(Color0) \"($(ColorLF)$(CURRENT_ARCH_CONFIG_LC)$(Color0) $(ColorLF)$(CURRENT_MACHINE_CONFIG_LC)$(Color0))\""; \ $(INSTALL) $(EXEC_INSTALL_FLAGS) $< $@; \ cmdstatus=$$?; \ else \ echo "$(ColorH)INSTALL$(Color0) $(ColorF)$(@F)$(Color0) \"($(ColorLF)$(CURRENT_ARCH_CONFIG_LC)$(Color0) $(ColorLF)$(CURRENT_MACHINE_CONFIG_LC)$(Color0))\""; \ $(LIPO) -create $@ $< -output $@; \ cmdstatus=$$?; \ fi; \ exit $$cmdstatus $(SYMROOT)/$(KERNEL_FILE_NAME): $(TARGET)/$(KERNEL_FILE_NAME).unstripped ALWAYS $(_v)$(MKDIR) $(dir $@) $(_v)if [ $(OBJROOT)/.mach_kernel.timestamp -nt $@ ]; then \ echo "$(ColorH)INSTALLSYM$(Color0) $(ColorF)$(@F)$(Color0) \"($(ColorLF)$(CURRENT_ARCH_CONFIG_LC)$(Color0))\""; \ $(INSTALL) $(EXEC_INSTALL_FLAGS) $< $@; \ cmdstatus=$$?; \ else \ echo "$(ColorH)INSTALLSYM$(Color0) $(ColorF)$(@F)$(Color0) \"($(ColorLF)$(CURRENT_ARCH_CONFIG_LC)$(Color0))\""; \ $(LIPO) -create $@ $< -output $@; \ cmdstatus=$$?; \ fi; \ exit $$cmdstatus $(SYMROOT)/$(KERNEL_FILE_NAME).dSYM/$(DSYMLLDBMACROSDIR)/lldbmacros $(DSTROOT)/$(INSTALL_KERNEL_SYM_DIR)/$(KERNEL_FILE_NAME).dSYM/$(DSYMLLDBMACROSDIR)/lldbmacros: $(TARGET)/$(KERNEL_FILE_NAME).dSYM/$(DSYMLLDBMACROSDIR)/lldbmacros $(_v)$(MKDIR) $(dir $@) @echo "$(ColorH)INSTALLMACROS$(Color0) $(ColorF)$(@F)$(Color0) \"($(ColorLF)$(CURRENT_ARCH_CONFIG_LC)$(Color0))\"" $(_v)$(CP) -r $< $(dir $@) $(_v)$(TOUCH) $@ $(SYMROOT)/$(KERNEL_FILE_NAME).dSYM/$(DSYMLLDBMACROSDIR)/$(KERNEL_LLDBBOOTSTRAP_NAME) $(DSTROOT)/$(INSTALL_KERNEL_SYM_DIR)/$(KERNEL_FILE_NAME).dSYM/$(DSYMLLDBMACROSDIR)/$(KERNEL_LLDBBOOTSTRAP_NAME): $(TARGET)/$(KERNEL_FILE_NAME).dSYM/$(DSYMLLDBMACROSDIR)/$(KERNEL_LLDBBOOTSTRAP_NAME) $(_v)$(MKDIR) $(dir $@) @echo "$(ColorH)INSTALLMACROS$(Color0) $(ColorF)$(@F)$(Color0) \"($(ColorLF)$(CURRENT_ARCH_CONFIG_LC)$(Color0))\"" $(_v)$(INSTALL) $(INSTALL_FLAGS) $< $@ $(DSTROOT)/$(DEVELOPER_EXTRAS_DIR)/README.DEBUG-kernel.txt: $(SRCROOT)/config/README.DEBUG-kernel.txt $(_v)$(MKDIR) $(dir $@) @echo "$(ColorH)INSTALL$(Color0) $(ColorF)$(@F)$(Color0)" $(_v)$(INSTALL) $(INSTALL_FLAGS) $< $@ $(SYMROOT)/$(KERNEL_FILE_NAME).dSYM/$(DSYMINFODIR)/Info.plist $(DSTROOT)/$(INSTALL_KERNEL_SYM_DIR)/$(KERNEL_FILE_NAME).dSYM/$(DSYMINFODIR)/Info.plist: $(TARGET)/$(KERNEL_FILE_NAME).dSYM/$(DSYMINFODIR)/Info.plist $(_v)$(MKDIR) $(dir $@) @echo "$(ColorH)INSTALLSYM$(Color0) $(ColorL)dSYM$(Color0) $(ColorF)$(@F)$(Color0) \"($(ColorLF)$(CURRENT_ARCH_CONFIG_LC)$(Color0))\"" $(_v)$(INSTALL) $(INSTALL_FLAGS) $< $@ $(SYMROOT)/$(KERNEL_FILE_NAME).dSYM/$(DSYMDWARFDIR)/$(KERNEL_FILE_NAME) $(DSTROOT)/$(INSTALL_KERNEL_SYM_DIR)/$(KERNEL_FILE_NAME).dSYM/$(DSYMDWARFDIR)/$(KERNEL_FILE_NAME): $(TARGET)/$(KERNEL_FILE_NAME).dSYM/$(DSYMDWARFDIR)/$(KERNEL_FILE_NAME) ALWAYS $(_v)$(MKDIR) $(dir $@) $(_v)if [ $(OBJROOT)/.mach_kernel.timestamp -nt $@ ]; then \ echo "$(ColorH)INSTALLSYM$(Color0) $(ColorL)dSYM$(Color0) $(ColorF)$(@F).dSYM$(ColorF) \"($(ColorLF)$(CURRENT_ARCH_CONFIG_LC)$(Color0))\""; \ $(INSTALL) $(EXEC_INSTALL_FLAGS) $< $@; \ cmdstatus=$$?; \ else \ echo "$(ColorH)INSTALLSYM$(Color0) $(ColorL)dSYM$(Color0) $(ColorF)$(@F).dSYM$(ColorF) \"($(ColorLF)$(CURRENT_ARCH_CONFIG_LC)$(Color0))\""; \ $(LIPO) -create $@ $< -output $@; \ cmdstatus=$$?; \ fi; \ exit $$cmdstatus .PHONY: do_install_machine_specific_kernel do_install_machine_specific_kernel_dSYM do_install_machine_specific_kernel: $(DSTROOT)/$(INSTALL_KERNEL_DIR)/$(KERNEL_FILE_NAME) \ $(SYMROOT)/$(KERNEL_FILE_NAME) @: do_install_machine_specific_kernel_dSYM: \ $(SYMROOT)/$(KERNEL_FILE_NAME).dSYM/$(DSYMINFODIR)/Info.plist \ $(SYMROOT)/$(KERNEL_FILE_NAME).dSYM/$(DSYMLLDBMACROSDIR)/lldbmacros \ $(SYMROOT)/$(KERNEL_FILE_NAME).dSYM/$(DSYMLLDBMACROSDIR)/$(KERNEL_LLDBBOOTSTRAP_NAME) \ $(SYMROOT)/$(KERNEL_FILE_NAME).dSYM/$(DSYMDWARFDIR)/$(KERNEL_FILE_NAME) @: .PHONY: do_install_machine_specific_KDK_dSYM do_install_machine_specific_KDK_dSYM: \ $(DSTROOT)/$(INSTALL_KERNEL_SYM_DIR)/$(KERNEL_FILE_NAME).dSYM/$(DSYMINFODIR)/Info.plist \ $(DSTROOT)/$(INSTALL_KERNEL_SYM_DIR)/$(KERNEL_FILE_NAME).dSYM/$(DSYMLLDBMACROSDIR)/lldbmacros \ $(DSTROOT)/$(INSTALL_KERNEL_SYM_DIR)/$(KERNEL_FILE_NAME).dSYM/$(DSYMLLDBMACROSDIR)/$(KERNEL_LLDBBOOTSTRAP_NAME) \ $(DSTROOT)/$(INSTALL_KERNEL_SYM_DIR)/$(KERNEL_FILE_NAME).dSYM/$(DSYMDWARFDIR)/$(KERNEL_FILE_NAME) @: # The $(RM) is needed so that the $(LN) doesn't dereference an existing # symlink during incremental builds and create a new symlink inside # the target of the existing symlink do_installhdrs_mi:: $(DSTROOT)/$(KRESDIR)/Info.plist $(_v)$(MKDIR) $(DSTROOT)/$(KINCFRAME) $(_v)$(MKDIR) $(DSTROOT)/$(KPINCDIR) $(_v)$(MKDIR) $(DSTROOT)/$(KRESDIR) $(_v)$(RM) $(DSTROOT)/$(KINCFRAME)/Versions/Current $(_v)$(LN) $(KINCVERS) $(DSTROOT)/$(KINCFRAME)/Versions/Current $(_v)$(RM) $(DSTROOT)/$(KINCFRAME)/Headers $(_v)$(LN) Versions/Current/Headers \ $(DSTROOT)/$(KINCFRAME)/Headers $(_v)$(RM) $(DSTROOT)/$(KINCFRAME)/PrivateHeaders $(_v)$(LN) Versions/Current/PrivateHeaders \ $(DSTROOT)/$(KINCFRAME)/PrivateHeaders $(_v)$(RM) $(DSTROOT)/$(KINCFRAME)/Resources $(_v)$(LN) Versions/Current/Resources \ $(DSTROOT)/$(KINCFRAME)/Resources $(DSTROOT)/$(KRESDIR)/Info.plist: $(SOURCE)/EXTERNAL_HEADERS/Info.plist $(_v)$(MKDIR) $(DSTROOT)/$(KRESDIR) $(_v)$(INSTALL) $(DATA_INSTALL_FLAGS) $< $@ $(_v)$(NEWVERS) $@ $(_vstdout) ifeq ($(USE_BINARY_PLIST),1) $(_v)$(PLUTIL) -convert binary1 -o $@ $@ endif $(DSTROOT)/$(INSTALL_KERNEL_DIR)/$(ALIAS_FILE_NAME): ALWAYS $(_v)echo "$(ColorH)ALIAS$(Color0) $(ColorF)$(@F)$(Color0) \"($(ColorLF)$(CURRENT_ARCH_CONFIG_LC)$(Color0) $(ColorLF)$(CURRENT_MACHINE_CONFIG_LC)$(Color0) $(ColorLF)$(CURRENT_ALIAS_MACHINE_CONFIG_LC)$(Color0))\"" $(_v)$(INSTALL) $(EXEC_INSTALL_FLAGS) $(DSTROOT)/$(INSTALL_KERNEL_DIR)/$(KERNEL_FILE_NAME) $@ install_alias: $(DSTROOT)/$(INSTALL_KERNEL_DIR)/$(ALIAS_FILE_NAME) print_exports: $(_v)printenv | sort