scripts/Makefile.vmlinux

Source file repositories/reference/linux-study-clean/scripts/Makefile.vmlinux

File Facts

System
Linux kernel
Corpus path
scripts/Makefile.vmlinux
Extension
.vmlinux
Size
5943 bytes
Lines
176
Domain
Support Tooling And Documentation
Bucket
scripts
Inferred role
Support Tooling And Documentation: build/configuration rule
Status
atlas-only

Why This File Exists

Repository support layer: documentation, build tooling, samples, user-space helper tools, generated initramfs support, licenses, and validation utilities.

Dependency Surface

Detected Declarations

Annotated Snippet

# SPDX-License-Identifier: GPL-2.0-only

PHONY := __default
__default: vmlinux

include include/config/auto.conf
include $(srctree)/scripts/Kbuild.include
include $(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_DTB
targets += .builtin-dtbs.S .builtin-dtbs.o
vmlinux.unstripped: .builtin-dtbs.o
endif

# vmlinux.unstripped
# ---------------------------------------------------------------------------

ifdef CONFIG_ARCH_WANTS_PRE_LINK_VMLINUX
vmlinux.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 link
cmd_link_vmlinux =							\
	$< "$(LD)" "$(KBUILD_LDFLAGS)" "$(LDFLAGS_vmlinux)" "$@";	\
	$(if $(ARCH_POSTLINK), $(MAKE) -f $(ARCH_POSTLINK) $@, true)

targets += vmlinux.unstripped .vmlinux.export.o

Annotation

Implementation Notes