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Linux kernel mirror (for testing) git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
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123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176# SPDX-License-Identifier: GPL-2.0-only
PHONY := __default__default: vmlinux
include include/config/auto.confinclude $(srctree)/scripts/Kbuild.includeinclude $(srctree)/scripts/Makefile.lib
targets :=
%.o: %.c FORCE $(call if_changed_rule,cc_o_c)
%.o: %.S FORCE $(call if_changed_rule,as_o_S)
# Built-in dtb# ---------------------------------------------------------------------------
quiet_cmd_wrap_dtbs = WRAP $@ cmd_wrap_dtbs = { \ echo '\#include <asm-generic/vmlinux.lds.h>'; \ echo '.section .dtb.init.rodata,"a"'; \ while read dtb; do \ symbase=__dtb_$$(basename -s .dtb "$${dtb}" | tr - _); \ echo '.balign STRUCT_ALIGNMENT'; \ echo ".global $${symbase}_begin"; \ echo "$${symbase}_begin:"; \ echo '.incbin "'$$dtb'" '; \ echo ".global $${symbase}_end"; \ echo "$${symbase}_end:"; \ done < $<; \ } > $@
.builtin-dtbs.S: .builtin-dtbs-list FORCE $(call if_changed,wrap_dtbs)
quiet_cmd_gen_dtbs_list = GEN $@ cmd_gen_dtbs_list = \ $(if $(CONFIG_BUILTIN_DTB_NAME), echo "arch/$(SRCARCH)/boot/dts/$(CONFIG_BUILTIN_DTB_NAME).dtb",:) > $@
.builtin-dtbs-list: arch/$(SRCARCH)/boot/dts/dtbs-list FORCE $(call if_changed,$(if $(CONFIG_BUILTIN_DTB_ALL),copy,gen_dtbs_list))
targets += .builtin-dtbs-list
ifdef CONFIG_GENERIC_BUILTIN_DTBtargets += .builtin-dtbs.S .builtin-dtbs.ovmlinux.unstripped: .builtin-dtbs.oendif
# vmlinux.unstripped# ---------------------------------------------------------------------------
ifdef CONFIG_ARCH_WANTS_PRE_LINK_VMLINUXvmlinux.unstripped: arch/$(SRCARCH)/tools/vmlinux.arch.o
arch/$(SRCARCH)/tools/vmlinux.arch.o: vmlinux.o FORCE $(Q)$(MAKE) $(build)=arch/$(SRCARCH)/tools $@endif
ARCH_POSTLINK := $(wildcard $(srctree)/arch/$(SRCARCH)/Makefile.postlink)
# Final link of vmlinux with optional arch pass after final linkcmd_link_vmlinux = \ $< "$(LD)" "$(KBUILD_LDFLAGS)" "$(LDFLAGS_vmlinux)" "$@"; \ $(if $(ARCH_POSTLINK), $(MAKE) -f $(ARCH_POSTLINK) $@, true)
targets += vmlinux.unstripped .vmlinux.export.ovmlinux.unstripped: scripts/link-vmlinux.sh vmlinux.o .vmlinux.export.o $(KBUILD_LDS) FORCE +$(call if_changed_dep,link_vmlinux)ifdef CONFIG_DEBUG_INFO_BTFvmlinux.unstripped: $(RESOLVE_BTFIDS) $(srctree)/scripts/gen-btf.shendif
ifdef CONFIG_BUILDTIME_TABLE_SORTvmlinux.unstripped: scripts/sorttableendif
# vmlinux# ---------------------------------------------------------------------------
remove-section-y := .modinforemove-section-$(CONFIG_ARCH_VMLINUX_NEEDS_RELOCS) += '.rel*' '!.rel*.dyn'# for compatibility with binutils < 2.32# https://sourceware.org/git/?p=binutils-gdb.git;a=commit;h=c12d9fa2afe7abcbe407a00e15719e1a1350c2a7remove-section-$(CONFIG_ARCH_VMLINUX_NEEDS_RELOCS) += '.rel.*'
remove-symbols := -w --strip-unneeded-symbol='__mod_device_table__*'
# To avoid warnings: "empty loadable segment detected at ..." from GNU objcopy,# it is necessary to remove the PT_LOAD flag from the segment.quiet_cmd_strip_relocs = OBJCOPY $@ cmd_strip_relocs = $(OBJCOPY) $(patsubst %,--set-section-flags %=noload,$(remove-section-y)) $< $@; \ $(OBJCOPY) $(addprefix --remove-section=,$(remove-section-y)) $(remove-symbols) $@
targets += vmlinuxvmlinux: vmlinux.unstripped FORCE $(call if_changed,strip_relocs)
# modules.builtin.modinfo# ---------------------------------------------------------------------------
# .modinfo in vmlinux.unstripped is aligned to 8 bytes for compatibility with# tools that expect vmlinux to have sufficiently aligned sections but the# additional bytes used for padding .modinfo to satisfy this requirement break# certain versions of kmod with## depmod: ERROR: kmod_builtin_iter_next: unexpected string without modname prefix## Strip the trailing padding bytes after extracting .modinfo to comply with# what kmod expects to parse.quiet_cmd_modules_builtin_modinfo = GEN $@ cmd_modules_builtin_modinfo = $(cmd_objcopy); \ sed -i 's/\x00\+$$/\x00/g' $@; \ chmod -x $@
OBJCOPYFLAGS_modules.builtin.modinfo := -j .modinfo -O binary
targets += modules.builtin.modinfomodules.builtin.modinfo: vmlinux.unstripped FORCE $(call if_changed,modules_builtin_modinfo)
# modules.builtin# ---------------------------------------------------------------------------
__default: modules.builtin
# The second line aids cases where multiple modules share the same object.
quiet_cmd_modules_builtin = GEN $@ cmd_modules_builtin = \ tr '\0' '\n' < $< | \ sed -n 's/^[[:alnum:]:_]*\.file=//p' | \ tr ' ' '\n' | uniq | sed -e 's:^:kernel/:' -e 's/$$/.ko/' > $@
targets += modules.builtinmodules.builtin: modules.builtin.modinfo FORCE $(call if_changed,modules_builtin)
# modules.builtin.ranges# ---------------------------------------------------------------------------ifdef CONFIG_BUILTIN_MODULE_RANGES__default: modules.builtin.ranges
quiet_cmd_modules_builtin_ranges = GEN $@ cmd_modules_builtin_ranges = gawk -f $(real-prereqs) > $@
targets += modules.builtin.rangesmodules.builtin.ranges: $(srctree)/scripts/generate_builtin_ranges.awk \ modules.builtin vmlinux.map vmlinux.o.map FORCE $(call if_changed,modules_builtin_ranges)
vmlinux.map: vmlinux.unstripped @:
endif
# Add FORCE to the prerequisites of a target to force it to be always rebuilt.# ---------------------------------------------------------------------------
PHONY += FORCEFORCE:
# Read all saved command lines and dependencies for the $(targets) we# may be building above, using $(if_changed{,_dep}). As an# optimization, we don't need to read them if the target does not# exist, we will rebuild anyway in that case.
existing-targets := $(wildcard $(sort $(targets)))
-include $(foreach f,$(existing-targets),$(dir $(f)).$(notdir $(f)).cmd)
.PHONY: $(PHONY)