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TOMOYO Linux Cross Reference
Linux/scripts/Makefile.vmlinux_o

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Diff markup

Differences between /scripts/Makefile.vmlinux_o (Architecture alpha) and /scripts/Makefile.vmlinux_o (Architecture sparc64)


  1 # SPDX-License-Identifier: GPL-2.0-only             1 # SPDX-License-Identifier: GPL-2.0-only
  2                                                     2 
  3 PHONY := __default                                  3 PHONY := __default
  4 __default: vmlinux.o modules.builtin.modinfo m      4 __default: vmlinux.o modules.builtin.modinfo modules.builtin
  5                                                     5 
  6 include include/config/auto.conf                    6 include include/config/auto.conf
  7 include $(srctree)/scripts/Kbuild.include           7 include $(srctree)/scripts/Kbuild.include
  8                                                     8 
  9 # for objtool                                       9 # for objtool
 10 include $(srctree)/scripts/Makefile.lib            10 include $(srctree)/scripts/Makefile.lib
 11                                                    11 
 12 # Generate a linker script to ensure correct o     12 # Generate a linker script to ensure correct ordering of initcalls for Clang LTO
 13 # --------------------------------------------     13 # ---------------------------------------------------------------------------
 14                                                    14 
 15 quiet_cmd_gen_initcalls_lds = GEN     $@           15 quiet_cmd_gen_initcalls_lds = GEN     $@
 16       cmd_gen_initcalls_lds = \                    16       cmd_gen_initcalls_lds = \
 17         $(PYTHON3) $(srctree)/scripts/jobserve     17         $(PYTHON3) $(srctree)/scripts/jobserver-exec \
 18         $(PERL) $(real-prereqs) > $@               18         $(PERL) $(real-prereqs) > $@
 19                                                    19 
 20 .tmp_initcalls.lds: $(srctree)/scripts/generat     20 .tmp_initcalls.lds: $(srctree)/scripts/generate_initcall_order.pl \
 21                 vmlinux.a $(KBUILD_VMLINUX_LIB     21                 vmlinux.a $(KBUILD_VMLINUX_LIBS) FORCE
 22         $(call if_changed,gen_initcalls_lds)       22         $(call if_changed,gen_initcalls_lds)
 23                                                    23 
 24 targets := .tmp_initcalls.lds                      24 targets := .tmp_initcalls.lds
 25                                                    25 
 26 ifdef CONFIG_LTO_CLANG                             26 ifdef CONFIG_LTO_CLANG
 27 initcalls-lds := .tmp_initcalls.lds                27 initcalls-lds := .tmp_initcalls.lds
 28 endif                                              28 endif
 29                                                    29 
 30 # objtool for vmlinux.o                            30 # objtool for vmlinux.o
 31 # --------------------------------------------     31 # ---------------------------------------------------------------------------
 32 #                                                  32 #
 33 # For LTO and IBT, objtool doesn't run on indi     33 # For LTO and IBT, objtool doesn't run on individual translation units.
 34 # Run everything on vmlinux instead.               34 # Run everything on vmlinux instead.
 35                                                    35 
 36 objtool-enabled := $(or $(delay-objtool),$(CON     36 objtool-enabled := $(or $(delay-objtool),$(CONFIG_NOINSTR_VALIDATION))
 37                                                    37 
 38 vmlinux-objtool-args-$(delay-objtool)              38 vmlinux-objtool-args-$(delay-objtool)                   += $(objtool-args-y)
 39 vmlinux-objtool-args-$(CONFIG_GCOV_KERNEL)         39 vmlinux-objtool-args-$(CONFIG_GCOV_KERNEL)              += --no-unreachable
 40 vmlinux-objtool-args-$(CONFIG_NOINSTR_VALIDATI     40 vmlinux-objtool-args-$(CONFIG_NOINSTR_VALIDATION)       += --noinstr \
 41                                                    41                                                            $(if $(or $(CONFIG_MITIGATION_UNRET_ENTRY),$(CONFIG_MITIGATION_SRSO)), --unret)
 42                                                    42 
 43 objtool-args = $(vmlinux-objtool-args-y) --lin     43 objtool-args = $(vmlinux-objtool-args-y) --link
 44                                                    44 
 45 # Link of vmlinux.o used for section mismatch      45 # Link of vmlinux.o used for section mismatch analysis
 46 # --------------------------------------------     46 # ---------------------------------------------------------------------------
 47                                                    47 
 48 vmlinux-o-ld-args-$(CONFIG_BUILTIN_MODULE_RANG     48 vmlinux-o-ld-args-$(CONFIG_BUILTIN_MODULE_RANGES)       += -Map=$@.map
 49                                                    49 
 50 quiet_cmd_ld_vmlinux.o = LD      $@                50 quiet_cmd_ld_vmlinux.o = LD      $@
 51       cmd_ld_vmlinux.o = \                         51       cmd_ld_vmlinux.o = \
 52         $(LD) ${KBUILD_LDFLAGS} -r -o $@ \         52         $(LD) ${KBUILD_LDFLAGS} -r -o $@ \
 53         $(vmlinux-o-ld-args-y) \                   53         $(vmlinux-o-ld-args-y) \
 54         $(addprefix -T , $(initcalls-lds)) \       54         $(addprefix -T , $(initcalls-lds)) \
 55         --whole-archive vmlinux.a --no-whole-a     55         --whole-archive vmlinux.a --no-whole-archive \
 56         --start-group $(KBUILD_VMLINUX_LIBS) -     56         --start-group $(KBUILD_VMLINUX_LIBS) --end-group \
 57         $(cmd_objtool)                             57         $(cmd_objtool)
 58                                                    58 
 59 define rule_ld_vmlinux.o                           59 define rule_ld_vmlinux.o
 60         $(call cmd_and_savecmd,ld_vmlinux.o)       60         $(call cmd_and_savecmd,ld_vmlinux.o)
 61         $(call cmd,gen_objtooldep)                 61         $(call cmd,gen_objtooldep)
 62 endef                                              62 endef
 63                                                    63 
 64 vmlinux.o: $(initcalls-lds) vmlinux.a $(KBUILD     64 vmlinux.o: $(initcalls-lds) vmlinux.a $(KBUILD_VMLINUX_LIBS) FORCE
 65         $(call if_changed_rule,ld_vmlinux.o)       65         $(call if_changed_rule,ld_vmlinux.o)
 66                                                    66 
 67 targets += vmlinux.o                               67 targets += vmlinux.o
 68                                                    68 
 69 # module.builtin.modinfo                           69 # module.builtin.modinfo
 70 # --------------------------------------------     70 # ---------------------------------------------------------------------------
 71                                                    71 
 72 OBJCOPYFLAGS_modules.builtin.modinfo := -j .mo     72 OBJCOPYFLAGS_modules.builtin.modinfo := -j .modinfo -O binary
 73                                                    73 
 74 targets += modules.builtin.modinfo                 74 targets += modules.builtin.modinfo
 75 modules.builtin.modinfo: vmlinux.o FORCE           75 modules.builtin.modinfo: vmlinux.o FORCE
 76         $(call if_changed,objcopy)                 76         $(call if_changed,objcopy)
 77                                                    77 
 78 # module.builtin                                   78 # module.builtin
 79 # --------------------------------------------     79 # ---------------------------------------------------------------------------
 80                                                    80 
 81 # The second line aids cases where multiple mo     81 # The second line aids cases where multiple modules share the same object.
 82                                                    82 
 83 quiet_cmd_modules_builtin = GEN     $@             83 quiet_cmd_modules_builtin = GEN     $@
 84       cmd_modules_builtin = \                      84       cmd_modules_builtin = \
 85         tr '\0' '\n' < $< | \                      85         tr '\0' '\n' < $< | \
 86         sed -n 's/^[[:alnum:]:_]*\.file=//p' |     86         sed -n 's/^[[:alnum:]:_]*\.file=//p' | \
 87         tr ' ' '\n' | uniq | sed -e 's:^:kerne     87         tr ' ' '\n' | uniq | sed -e 's:^:kernel/:' -e 's/$$/.ko/' > $@
 88                                                    88 
 89 targets += modules.builtin                         89 targets += modules.builtin
 90 modules.builtin: modules.builtin.modinfo FORCE     90 modules.builtin: modules.builtin.modinfo FORCE
 91         $(call if_changed,modules_builtin)         91         $(call if_changed,modules_builtin)
 92                                                    92 
 93 # Add FORCE to the prerequisites of a target t     93 # Add FORCE to the prerequisites of a target to force it to be always rebuilt.
 94 # --------------------------------------------     94 # ---------------------------------------------------------------------------
 95                                                    95 
 96 PHONY += FORCE                                     96 PHONY += FORCE
 97 FORCE:                                             97 FORCE:
 98                                                    98 
 99 # Read all saved command lines and dependencie     99 # Read all saved command lines and dependencies for the $(targets) we
100 # may be building above, using $(if_changed{,_    100 # may be building above, using $(if_changed{,_dep}). As an
101 # optimization, we don't need to read them if     101 # optimization, we don't need to read them if the target does not
102 # exist, we will rebuild anyway in that case.     102 # exist, we will rebuild anyway in that case.
103                                                   103 
104 existing-targets := $(wildcard $(sort $(target    104 existing-targets := $(wildcard $(sort $(targets)))
105                                                   105 
106 -include $(foreach f,$(existing-targets),$(dir    106 -include $(foreach f,$(existing-targets),$(dir $(f)).$(notdir $(f)).cmd)
107                                                   107 
108 .PHONY: $(PHONY)                                  108 .PHONY: $(PHONY)
                                                      

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