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Name	Size	Permission
atomic	[ DIR ]	drwxr-xr-x
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clang-tools	[ DIR ]	drwxr-xr-x
coccinelle	[ DIR ]	drwxr-xr-x
dtc	[ DIR ]	drwxr-xr-x
dummy-tools	[ DIR ]	drwxr-xr-x
gcc-plugins	[ DIR ]	drwxr-xr-x
gdb	[ DIR ]	drwxr-xr-x
genksyms	[ DIR ]	drwxr-xr-x
kconfig	[ DIR ]	drwxr-xr-x
ksymoops	[ DIR ]	drwxr-xr-x
mod	[ DIR ]	drwxr-xr-x
package	[ DIR ]	drwxr-xr-x
selinux	[ DIR ]	drwxr-xr-x
tracing	[ DIR ]	drwxr-xr-x
asn1_compiler	34.25 KB	-rwxr-xr-x
asn1_compiler.c	35.32 KB	-rw-r--r--
as-version.sh	2.03 KB	-rwxr-xr-x
bloat-o-meter	3.77 KB	-rwxr-xr-x
bootgraph.pl	5.64 KB	-rwxr-xr-x
bpf_doc.py	31.73 KB	-rwxr-xr-x
cc-can-link.sh	166 B	-rwxr-xr-x
cc-version.sh	1.36 KB	-rwxr-xr-x
checkdeclares.pl	1.1 KB	-rwxr-xr-x
check_extable.sh	4.93 KB	-rwxr-xr-x
check-git	298 B	-rwxr-xr-x
checkincludes.pl	1.94 KB	-rwxr-xr-x
checkkconfigsymbols.py	15.75 KB	-rwxr-xr-x
checkpatch.pl	233.78 KB	-rwxr-xr-x
checkstack.pl	5.96 KB	-rwxr-xr-x
checksyscalls.sh	7.51 KB	-rwxr-xr-x
check-sysctl-docs	3.66 KB	-rwxr-xr-x
check-uapi.sh	15.05 KB	-rwxr-xr-x
checkversion.pl	2.16 KB	-rwxr-xr-x
cleanfile	3.46 KB	-rwxr-xr-x
cleanpatch	5.06 KB	-rwxr-xr-x
coccicheck	7.9 KB	-rwxr-xr-x
config	4.67 KB	-rwxr-xr-x
const_structs.checkpatch	1.4 KB	-rw-r--r--
decodecode	4.86 KB	-rwxr-xr-x
decode_stacktrace.sh	7.58 KB	-rwxr-xr-x
depmod.sh	697 B	-rwxr-xr-x
dev-needs.sh	6.07 KB	-rwxr-xr-x
diffconfig	4.12 KB	-rwxr-xr-x
documentation-file-ref-check	5.67 KB	-rwxr-xr-x
export_report.pl	4.5 KB	-rwxr-xr-x
extract-ikconfig	1.74 KB	-rwxr-xr-x
extract-module-sig.pl	3.66 KB	-rwxr-xr-x
extract-sys-certs.pl	3.75 KB	-rwxr-xr-x
extract-vmlinux	1.66 KB	-rwxr-xr-x
extract_xc3028.pl	44.62 KB	-rwxr-xr-x
faddr2line	8.63 KB	-rwxr-xr-x
file-size.sh	86 B	-rwxr-xr-x
find-unused-docs.sh	1.27 KB	-rwxr-xr-x
gcc-x86_32-has-stack-protector.sh	405 B	-rwxr-xr-x
gcc-x86_64-has-stack-protector.sh	195 B	-rwxr-xr-x
generate_initcall_order.pl	5.95 KB	-rwxr-xr-x
generate_rust_analyzer.py	5.54 KB	-rwxr-xr-x
generate_rust_target.rs	5.58 KB	-rw-r--r--
gen-randstruct-seed.sh	228 B	-rwxr-xr-x
get_abi.pl	25.36 KB	-rwxr-xr-x
get_dvb_firmware	24.54 KB	-rwxr-xr-x
get_feat.pl	14.61 KB	-rwxr-xr-x
get_maintainer.pl	67.63 KB	-rwxr-xr-x
gfp-translate	2.08 KB	-rwxr-xr-x
git.orderFile	564 B	-rw-r--r--
headerdep.pl	3.5 KB	-rwxr-xr-x
headers_install.sh	2.76 KB	-rwxr-xr-x
head-object-list.txt	1.36 KB	-rw-r--r--
insert-sys-cert	21.46 KB	-rwxr-xr-x
insert-sys-cert.c	13.08 KB	-rw-r--r--
install.sh	986 B	-rwxr-xr-x
jobserver-exec	2.56 KB	-rwxr-xr-x
kallsyms	21.63 KB	-rwxr-xr-x
kallsyms.c	17.75 KB	-rw-r--r--
Kbuild.include	10.1 KB	-rw-r--r--
Kconfig.include	2.65 KB	-rw-r--r--
kernel-doc	77.13 KB	-rwxr-xr-x
ld-version.sh	1.82 KB	-rwxr-xr-x
leaking_addresses.pl	12.84 KB	-rwxr-xr-x
Lindent	502 B	-rwxr-xr-x
link-vmlinux.sh	7.66 KB	-rwxr-xr-x
Makefile	1.87 KB	-rw-r--r--
Makefile.asm-generic	1.82 KB	-rw-r--r--
Makefile.btf	638 B	-rw-r--r--
Makefile.build	17.2 KB	-rw-r--r--
Makefile.clang	1.61 KB	-rw-r--r--
Makefile.clean	1.87 KB	-rw-r--r--
Makefile.compiler	2.74 KB	-rw-r--r--
Makefile.debug	1.12 KB	-rw-r--r--
Makefile.defconf	1.04 KB	-rw-r--r--
Makefile.dtbinst	1.03 KB	-rw-r--r--
Makefile.extrawarn	7.13 KB	-rw-r--r--
Makefile.gcc-plugins	2.59 KB	-rw-r--r--
Makefile.headersinst	2.88 KB	-rw-r--r--
Makefile.host	5.91 KB	-rw-r--r--
Makefile.kasan	2.45 KB	-rw-r--r--
Makefile.kcov	333 B	-rw-r--r--
Makefile.kcsan	1004 B	-rw-r--r--
Makefile.kmsan	208 B	-rw-r--r--
Makefile.lib	21.08 KB	-rw-r--r--
Makefile.modfinal	2.63 KB	-rw-r--r--
Makefile.modinst	4.02 KB	-rw-r--r--
Makefile.modpost	4.69 KB	-rw-r--r--
Makefile.package	8.73 KB	-rw-r--r--
Makefile.randstruct	511 B	-rw-r--r--
Makefile.ubsan	779 B	-rw-r--r--
Makefile.userprogs	1.59 KB	-rw-r--r--
Makefile.vdsoinst	1.15 KB	-rw-r--r--
Makefile.vmlinux	1.48 KB	-rw-r--r--
Makefile.vmlinux_o	3.27 KB	-rw-r--r--
makelst	808 B	-rwxr-xr-x
markup_oops.pl	7.92 KB	-rwxr-xr-x
min-tool-version.sh	630 B	-rwxr-xr-x
misc-check	509 B	-rwxr-xr-x
mkcompile_h	642 B	-rwxr-xr-x
mksysmap	2.08 KB	-rwxr-xr-x
mkuboot.sh	414 B	-rwxr-xr-x
module.lds	615 B	-rw-r--r--
module.lds.S	1.43 KB	-rw-r--r--
modules-check.sh	443 B	-rwxr-xr-x
nsdeps	1.63 KB	-rw-r--r--
objdiff	2.83 KB	-rwxr-xr-x
objdump-func	848 B	-rwxr-xr-x
orc_hash.sh	316 B	-rw-r--r--
pahole-version.sh	269 B	-rwxr-xr-x
parse-maintainers.pl	4.54 KB	-rwxr-xr-x
patch-kernel	9.95 KB	-rwxr-xr-x
profile2linkerlist.pl	414 B	-rwxr-xr-x
prune-kernel	912 B	-rwxr-xr-x
recordmcount.c	17.51 KB	-rw-r--r--
recordmcount.h	19.37 KB	-rw-r--r--
recordmcount.pl	17.34 KB	-rwxr-xr-x
relocs_check.sh	717 B	-rwxr-xr-x
remove-stale-files	1.29 KB	-rwxr-xr-x
rustdoc_test_builder.rs	3.25 KB	-rw-r--r--
rustdoc_test_gen.rs	9.48 KB	-rw-r--r--
rust_is_available_bindgen_libclang.h	91 B	-rw-r--r--
rust_is_available.sh	9.48 KB	-rwxr-xr-x
rust_is_available_test.py	17.7 KB	-rwxr-xr-x
setlocalversion	5.18 KB	-rwxr-xr-x
show_delta	3.04 KB	-rwxr-xr-x
sign-file	25.82 KB	-rwxr-xr-x
sign-file.c	9.93 KB	-rw-r--r--
sorttable	21.26 KB	-rwxr-xr-x
sorttable.c	7.68 KB	-rw-r--r--
sorttable.h	12.99 KB	-rw-r--r--
spdxcheck.py	15.23 KB	-rwxr-xr-x
spdxcheck-test.sh	284 B	-rw-r--r--
spdxexclude	417 B	-rw-r--r--
spelling.txt	34.18 KB	-rw-r--r--
sphinx-pre-install	25.07 KB	-rwxr-xr-x
split-man.pl	604 B	-rwxr-xr-x
stackdelta	1.84 KB	-rwxr-xr-x
stackusage	794 B	-rwxr-xr-x
subarch.include	647 B	-rw-r--r--
syscallhdr.sh	1.89 KB	-rwxr-xr-x
syscallnr.sh	1.45 KB	-rwxr-xr-x
syscalltbl.sh	1.82 KB	-rwxr-xr-x
tags.sh	10.73 KB	-rwxr-xr-x
test_fortify.sh	2.23 KB	-rw-r--r--
tools-support-relr.sh	726 B	-rwxr-xr-x
unifdef.c	34.8 KB	-rw-r--r--
ver_linux	2.59 KB	-rwxr-xr-x
xen-hypercalls.sh	386 B	-rwxr-xr-x
xz_wrap.sh	516 B	-rwxr-xr-x

Code Editor : link-vmlinux.sh

#!/bin/sh
# SPDX-License-Identifier: GPL-2.0
#
# link vmlinux
#
# vmlinux is linked from the objects in vmlinux.a and $(KBUILD_VMLINUX_LIBS).
# vmlinux.a contains objects that are linked unconditionally.
# $(KBUILD_VMLINUX_LIBS) are archives which are linked conditionally
# (not within --whole-archive), and do not require symbol indexes added.
#
# vmlinux
#   ^
#   |
#   +--< vmlinux.a
#   |
#   +--< $(KBUILD_VMLINUX_LIBS)
#   |    +--< lib/lib.a + more
#   |
#   +-< ${kallsymso} (see description in KALLSYMS section)
#
# vmlinux version (uname -v) cannot be updated during normal
# descending-into-subdirs phase since we do not yet know if we need to
# update vmlinux.
# Therefore this step is delayed until just before final link of vmlinux.
#
# System.map is generated to document addresses of all kernel symbols

# Error out on error
set -e

LD="$1"
KBUILD_LDFLAGS="$2"
LDFLAGS_vmlinux="$3"

is_enabled() {
	grep -q "^$1=y" include/config/auto.conf
}

# Nice output in kbuild format
# Will be supressed by "make -s"
info()
{
	printf "  %-7s %s\n" "${1}" "${2}"
}

# Link of vmlinux
# ${1} - output file
vmlinux_link()
{
	local output=${1}
	local objs
	local libs
	local ld
	local ldflags
	local ldlibs

info LD ${output}

# skip output file argument
	shift

if is_enabled CONFIG_LTO_CLANG || is_enabled CONFIG_X86_KERNEL_IBT; then
		# Use vmlinux.o instead of performing the slow LTO link again.
		objs=vmlinux.o
		libs=
	else
		objs=vmlinux.a
		libs="${KBUILD_VMLINUX_LIBS}"
	fi

if is_enabled CONFIG_MODULES; then
		objs="${objs} .vmlinux.export.o"
	fi

objs="${objs} init/version-timestamp.o"

if [ "${SRCARCH}" = "um" ]; then
		wl=-Wl,
		ld="${CC}"
		ldflags="${CFLAGS_vmlinux}"
		ldlibs="-lutil -lrt -lpthread"
	else
		wl=
		ld="${LD}"
		ldflags="${KBUILD_LDFLAGS} ${LDFLAGS_vmlinux}"
		ldlibs=
	fi

ldflags="${ldflags} ${wl}--script=${objtree}/${KBUILD_LDS}"

# The kallsyms linking does not need debug symbols included.
	if [ -n "${strip_debug}" ] ; then
		ldflags="${ldflags} ${wl}--strip-debug"
	fi

if is_enabled CONFIG_VMLINUX_MAP; then
		ldflags="${ldflags} ${wl}-Map=${output}.map"
	fi

${ld} ${ldflags} -o ${output}					\
		${wl}--whole-archive ${objs} ${wl}--no-whole-archive	\
		${wl}--start-group ${libs} ${wl}--end-group		\
		${kallsymso} ${btf_vmlinux_bin_o} ${ldlibs}
}

# generate .BTF typeinfo from DWARF debuginfo
# ${1} - vmlinux image
gen_btf()
{
	local pahole_ver
	local btf_data=${1}.btf.o

if ! [ -x "$(command -v ${PAHOLE})" ]; then
		echo >&2 "BTF: ${1}: pahole (${PAHOLE}) is not available"
		return 1
	fi

pahole_ver=$(${PAHOLE} --version | sed -E 's/v([0-9]+)\.([0-9]+)/\1\2/')
	if [ "${pahole_ver}" -lt "116" ]; then
		echo >&2 "BTF: ${1}: pahole version $(${PAHOLE} --version) is too old, need at least v1.16"
		return 1
	fi

info BTF "${btf_data}"
	LLVM_OBJCOPY="${OBJCOPY}" ${PAHOLE} -J ${PAHOLE_FLAGS} ${1}

# Create ${btf_data} which contains just .BTF section but no symbols. Add
	# SHF_ALLOC because .BTF will be part of the vmlinux image. --strip-all
	# deletes all symbols including __start_BTF and __stop_BTF, which will
	# be redefined in the linker script. Add 2>/dev/null to suppress GNU
	# objcopy warnings: "empty loadable segment detected at ..."
	${OBJCOPY} --only-section=.BTF --set-section-flags .BTF=alloc,readonly \
		--strip-all ${1} "${btf_data}" 2>/dev/null
	# Change e_type to ET_REL so that it can be used to link final vmlinux.
	# GNU ld 2.35+ and lld do not allow an ET_EXEC input.
	if is_enabled CONFIG_CPU_BIG_ENDIAN; then
		et_rel='\0\1'
	else
		et_rel='\1\0'
	fi
	printf "${et_rel}" | dd of="${btf_data}" conv=notrunc bs=1 seek=16 status=none

btf_vmlinux_bin_o=${btf_data}
}

# Create ${2}.o file with all symbols from the ${1} object file
kallsyms()
{
	local kallsymopt;

if is_enabled CONFIG_KALLSYMS_ALL; then
		kallsymopt="${kallsymopt} --all-symbols"
	fi

if is_enabled CONFIG_KALLSYMS_ABSOLUTE_PERCPU; then
		kallsymopt="${kallsymopt} --absolute-percpu"
	fi

info KSYMS "${2}.S"
	scripts/kallsyms ${kallsymopt} "${1}" > "${2}.S"

info AS "${2}.o"
	${CC} ${NOSTDINC_FLAGS} ${LINUXINCLUDE} ${KBUILD_CPPFLAGS} \
	      ${KBUILD_AFLAGS} ${KBUILD_AFLAGS_KERNEL} -c -o "${2}.o" "${2}.S"

kallsymso=${2}.o
}

# Perform kallsyms for the given temporary vmlinux.
sysmap_and_kallsyms()
{
	mksysmap "${1}" "${1}.syms"
	kallsyms "${1}.syms" "${1}.kallsyms"

kallsyms_sysmap=${1}.syms
}

# Create map file with all symbols from ${1}
# See mksymap for additional details
mksysmap()
{
	info NM ${2}
	${CONFIG_SHELL} "${srctree}/scripts/mksysmap" ${1} ${2}
}

sorttable()
{
	${objtree}/scripts/sorttable ${1}
}

# Delete output files in case of error
cleanup()
{
	rm -f .btf.*
	rm -f System.map
	rm -f vmlinux
	rm -f vmlinux.map
}

# Use "make V=1" to debug this script
case "${KBUILD_VERBOSE}" in
*1*)
	set -x
	;;
esac

if [ "$1" = "clean" ]; then
	cleanup
	exit 0
fi

${MAKE} -f "${srctree}/scripts/Makefile.build" obj=init init/version-timestamp.o

btf_vmlinux_bin_o=
kallsymso=
strip_debug=

if is_enabled CONFIG_KALLSYMS; then
	truncate -s0 .tmp_vmlinux.kallsyms0.syms
	kallsyms .tmp_vmlinux.kallsyms0.syms .tmp_vmlinux0.kallsyms
fi

if is_enabled CONFIG_KALLSYMS || is_enabled CONFIG_DEBUG_INFO_BTF; then

# The kallsyms linking does not need debug symbols, but the BTF does.
	if ! is_enabled CONFIG_DEBUG_INFO_BTF; then
		strip_debug=1
	fi

vmlinux_link .tmp_vmlinux1
fi

if is_enabled CONFIG_DEBUG_INFO_BTF; then
	if ! gen_btf .tmp_vmlinux1; then
		echo >&2 "Failed to generate BTF for vmlinux"
		echo >&2 "Try to disable CONFIG_DEBUG_INFO_BTF"
		exit 1
	fi
fi

if is_enabled CONFIG_KALLSYMS; then

# kallsyms support
	# Generate section listing all symbols and add it into vmlinux
	# It's a four step process:
	# 0)  Generate a dummy __kallsyms with empty symbol list.
	# 1)  Link .tmp_vmlinux.kallsyms1 so it has all symbols and sections,
	#     with a dummy __kallsyms.
	#     Running kallsyms on that gives us .tmp_kallsyms1.o with
	#     the right size
	# 2)  Link .tmp_vmlinux.kallsyms2 so it now has a __kallsyms section of
	#     the right size, but due to the added section, some
	#     addresses have shifted.
	#     From here, we generate a correct .tmp_vmlinux.kallsyms2.o
	# 3)  That link may have expanded the kernel image enough that
	#     more linker branch stubs / trampolines had to be added, which
	#     introduces new names, which further expands kallsyms. Do another
	#     pass if that is the case. In theory it's possible this results
	#     in even more stubs, but unlikely.
	#     KALLSYMS_EXTRA_PASS=1 may also used to debug or work around
	#     other bugs.
	# 4)  The correct ${kallsymso} is linked into the final vmlinux.
	#
	# a)  Verify that the System.map from vmlinux matches the map from
	#     ${kallsymso}.

# The kallsyms linking does not need debug symbols included.
	strip_debug=1

sysmap_and_kallsyms .tmp_vmlinux1
	size1=$(${CONFIG_SHELL} "${srctree}/scripts/file-size.sh" ${kallsymso})

vmlinux_link .tmp_vmlinux2
	sysmap_and_kallsyms .tmp_vmlinux2
	size2=$(${CONFIG_SHELL} "${srctree}/scripts/file-size.sh" ${kallsymso})

if [ $size1 -ne $size2 ] || [ -n "${KALLSYMS_EXTRA_PASS}" ]; then
		vmlinux_link .tmp_vmlinux3
		sysmap_and_kallsyms .tmp_vmlinux3
	fi
fi

strip_debug=

vmlinux_link vmlinux

# fill in BTF IDs
if is_enabled CONFIG_DEBUG_INFO_BTF && is_enabled CONFIG_BPF; then
	info BTFIDS vmlinux
	${RESOLVE_BTFIDS} vmlinux
fi

mksysmap vmlinux System.map

if is_enabled CONFIG_BUILDTIME_TABLE_SORT; then
	info SORTTAB vmlinux
	if ! sorttable vmlinux; then
		echo >&2 Failed to sort kernel tables
		exit 1
	fi
fi

# step a (see comment above)
if is_enabled CONFIG_KALLSYMS; then
	if ! cmp -s System.map "${kallsyms_sysmap}"; then
		echo >&2 Inconsistent kallsyms data
		echo >&2 'Try "make KALLSYMS_EXTRA_PASS=1" as a workaround'
		exit 1
	fi
fi

# For fixdep
echo "vmlinux: $0" > .vmlinux.d

${this.title}

Code Editor : link-vmlinux.sh