FM / scripts

/usr/src/linux-headers-5.15.0-190/scripts/

/usr/src/linux-headers-5.15.0-190/scripts

Name	Size	Mode	Actions
atomic/	-	0755	rm
basic/	-	0755	rm
clang-tools/	-	0755	rm
coccinelle/	-	0755	rm
dtc/	-	0755	rm
dummy-tools/	-	0755	rm
gcc-plugins/	-	0755	rm
gdb/	-	0755	rm
genksyms/	-	0755	rm
kconfig/	-	0755	rm
ksymoops/	-	0755	rm
mod/	-	0755	rm
package/	-	0755	rm
selinux/	-	0755	rm
tracing/	-	0755	rm
.gitignore	160	0644	edit dl rm
adjust_autoksyms.sh	2122	0755	edit dl rm
as-version.sh	2081	0755	edit dl rm
asn1_compiler.c	36180	0644	edit dl rm
bin2c.c	743	0644	edit dl rm
bloat-o-meter	3445	0755	edit dl rm
bootgraph.pl	5780	0755	edit dl rm
bpf_doc.py	25582	0755	edit dl rm
cc-can-link.sh	166	0755	edit dl rm
cc-version.sh	1549	0755	edit dl rm
check-sysctl-docs	4472	0755	edit dl rm
checkdeclares.pl	1123	0755	edit dl rm
checkincludes.pl	1988	0755	edit dl rm
checkkconfigsymbols.py	16126	0755	edit dl rm
checkpatch.pl	229426	0755	edit dl rm
checkstack.pl	6001	0755	edit dl rm
checksyscalls.sh	7600	0755	edit dl rm
checkversion.pl	2211	0755	edit dl rm
check_extable.sh	5048	0755	edit dl rm
cleanfile	3542	0755	edit dl rm
cleanpatch	5182	0755	edit dl rm
coccicheck	8075	0755	edit dl rm
config	4899	0755	edit dl rm
const_structs.checkpatch	1009	0644	edit dl rm
decodecode	2952	0755	edit dl rm
decode_stacktrace.sh	7691	0755	edit dl rm
depmod.sh	1441	0755	edit dl rm
dev-needs.sh	6219	0755	edit dl rm
diffconfig	4222	0755	edit dl rm
documentation-file-ref-check	5687	0755	edit dl rm
export_report.pl	4605	0755	edit dl rm
extract-cert.c	3720	0644	edit dl rm
extract-ikconfig	1734	0755	edit dl rm
extract-module-sig.pl	3746	0755	edit dl rm
extract-sys-certs.pl	3836	0755	edit dl rm
extract-vmlinux	1695	0755	edit dl rm
extract_xc3028.pl	45686	0755	edit dl rm
faddr2line	8364	0755	edit dl rm
file-size.sh	86	0755	edit dl rm
find-unused-docs.sh	1304	0755	edit dl rm
gcc-goto.sh	511	0755	edit dl rm
gcc-ld	711	0755	edit dl rm
gcc-x86_32-has-stack-protector.sh	405	0755	edit dl rm
gcc-x86_64-has-stack-protector.sh	195	0755	edit dl rm
generate_initcall_order.pl	6090	0755	edit dl rm
gen_autoksyms.sh	1509	0755	edit dl rm
gen_ksymdeps.sh	556	0755	edit dl rm
get_abi.pl	15463	0755	edit dl rm
get_dvb_firmware	25128	0755	edit dl rm
get_feat.pl	14689	0755	edit dl rm
get_maintainer.pl	68744	0755	edit dl rm
gfp-translate	1732	0755	edit dl rm
headerdep.pl	3587	0755	edit dl rm
headers_check.pl	3819	0755	edit dl rm
headers_install.sh	3431	0755	edit dl rm
insert-sys-cert.c	13392	0644	edit dl rm
jobserver-exec	2213	0755	edit dl rm
kallsyms.c	18498	0644	edit dl rm
Kbuild.include	10392	0644	edit dl rm
Kconfig.include	2635	0644	edit dl rm
kernel-doc	70388	0755	edit dl rm
ld-version.sh	1864	0755	edit dl rm
leaking_addresses.pl	13112	0755	edit dl rm
Lindent	502	0755	edit dl rm
link-vmlinux.sh	11181	0755	edit dl rm
Makefile	1681	0644	edit dl rm
Makefile.asm-generic	1864	0644	edit dl rm
Makefile.build	20135	0644	edit dl rm
Makefile.clang	1602	0644	edit dl rm
Makefile.clean	2254	0644	edit dl rm
Makefile.compiler	2806	0644	edit dl rm
Makefile.dtbinst	1007	0644	edit dl rm
Makefile.extrawarn	3092	0644	edit dl rm
Makefile.gcc-plugins	2778	0644	edit dl rm
Makefile.headersinst	2950	0644	edit dl rm
Makefile.host	4743	0644	edit dl rm
Makefile.kasan	1715	0644	edit dl rm
Makefile.kcov	333	0644	edit dl rm
Makefile.kcsan	739	0644	edit dl rm
Makefile.lib	18455	0644	edit dl rm
Makefile.modfinal	2793	0644	edit dl rm
Makefile.modinst	2581	0644	edit dl rm
Makefile.modpost	4478	0644	edit dl rm
Makefile.package	6771	0644	edit dl rm
Makefile.ubsan	770	0644	edit dl rm
Makefile.userprogs	1607	0644	edit dl rm
makelst	808	0755	edit dl rm
markup_oops.pl	8110	0755	edit dl rm
min-tool-version.sh	558	0755	edit dl rm
mkcompile_h	2541	0755	edit dl rm
mksysmap	1369	0755	edit dl rm
mkuboot.sh	414	0755	edit dl rm
module.lds.S	1691	0644	edit dl rm
modules-check.sh	427	0755	edit dl rm
nsdeps	1765	0644	edit dl rm
objdiff	2905	0755	edit dl rm
pahole-flags.sh	749	0755	edit dl rm
pahole-version.sh	269	0755	edit dl rm
parse-maintainers.pl	4646	0755	edit dl rm
patch-kernel	10185	0755	edit dl rm
profile2linkerlist.pl	414	0755	edit dl rm
prune-kernel	708	0755	edit dl rm
recordmcount.c	17152	0644	edit dl rm
recordmcount.h	19832	0644	edit dl rm
recordmcount.pl	18049	0755	edit dl rm
remove-stale-files	1336	0755	edit dl rm
setlocalversion	3580	0755	edit dl rm
show_delta	3087	0755	edit dl rm
sign-file.c	10172	0644	edit dl rm
sorttable.c	8949	0644	edit dl rm
sorttable.h	10063	0644	edit dl rm
spdxcheck-test.sh	277	0644	edit dl rm
spdxcheck.py	10334	0755	edit dl rm
spelling.txt	32646	0644	edit dl rm
sphinx-pre-install	25035	0755	edit dl rm
split-man.pl	604	0755	edit dl rm
stackdelta	1887	0755	edit dl rm
stackusage	794	0755	edit dl rm
subarch.include	619	0644	edit dl rm
syscallhdr.sh	1935	0755	edit dl rm
syscallnr.sh	1485	0755	edit dl rm
syscalltbl.sh	1489	0755	edit dl rm
tags.sh	10110	0755	edit dl rm
tools-support-relr.sh	546	0755	edit dl rm
ubuntu-retpoline-extract-one	7434	0644	edit dl rm
unifdef.c	35637	0644	edit dl rm
ver_linux	2648	0755	edit dl rm
xen-hypercalls.sh	386	0755	edit dl rm
xz_wrap.sh	563	0755	edit dl rm

Edit: /usr/src/linux-headers-5.15.0-190/scripts/link-vmlinux.sh (11181B)

#!/bin/sh
# SPDX-License-Identifier: GPL-2.0
#
# link vmlinux
#
# vmlinux is linked from the objects selected by $(KBUILD_VMLINUX_OBJS) and
# $(KBUILD_VMLINUX_LIBS). Most are built-in.a files from top-level directories
# in the kernel tree, others are specified in arch/$(ARCH)/Makefile.
# $(KBUILD_VMLINUX_LIBS) are archives which are linked conditionally
# (not within --whole-archive), and do not require symbol indexes added.
#
# vmlinux
#   ^
#   |
#   +--< $(KBUILD_VMLINUX_OBJS)
#   |    +--< init/built-in.a drivers/built-in.a mm/built-in.a + more
#   |
#   +--< $(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"

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

# Generate a linker script to ensure correct ordering of initcalls.
gen_initcalls()
{
	info GEN .tmp_initcalls.lds

${PYTHON} ${srctree}/scripts/jobserver-exec		\
	${PERL} ${srctree}/scripts/generate_initcall_order.pl	\
		${KBUILD_VMLINUX_OBJS} ${KBUILD_VMLINUX_LIBS}	\
		> .tmp_initcalls.lds
}

# If CONFIG_LTO_CLANG is selected, collect generated symbol versions into
# .tmp_symversions.lds
gen_symversions()
{
	info GEN .tmp_symversions.lds
	rm -f .tmp_symversions.lds

for o in ${KBUILD_VMLINUX_OBJS} ${KBUILD_VMLINUX_LIBS}; do
		if [ -f ${o}.symversions ]; then
			cat ${o}.symversions >> .tmp_symversions.lds
		fi
	done
}

# Link of vmlinux.o used for section mismatch analysis
# ${1} output file
modpost_link()
{
	local objects
	local lds=""

objects="--whole-archive				\
		${KBUILD_VMLINUX_OBJS}				\
		--no-whole-archive				\
		--start-group					\
		${KBUILD_VMLINUX_LIBS}				\
		--end-group"

if [ -n "${CONFIG_LTO_CLANG}" ]; then
		gen_initcalls
		lds="-T .tmp_initcalls.lds"

if [ -n "${CONFIG_MODVERSIONS}" ]; then
			gen_symversions
			lds="${lds} -T .tmp_symversions.lds"
		fi

# This might take a while, so indicate that we're doing
		# an LTO link
		info LTO ${1}
	else
		info LD ${1}
	fi

${LD} ${KBUILD_LDFLAGS} -r -o ${1} ${lds} ${objects}
}

objtool_link()
{
	local objtoolcmd;
	local objtoolopt;

if [ "${CONFIG_LTO_CLANG} ${CONFIG_STACK_VALIDATION}" = "y y" ]; then
		# Don't perform vmlinux validation unless explicitly requested,
		# but run objtool on vmlinux.o now that we have an object file.
		if [ -n "${CONFIG_UNWINDER_ORC}" ]; then
			objtoolcmd="orc generate"
		fi

objtoolopt="${objtoolopt} --duplicate"

if [ -n "${CONFIG_FTRACE_MCOUNT_USE_OBJTOOL}" ]; then
			objtoolopt="${objtoolopt} --mcount"
		fi
	fi

if [ -n "${CONFIG_VMLINUX_VALIDATION}" ]; then
		objtoolopt="${objtoolopt} --noinstr"
		if is_enabled CONFIG_CPU_UNRET_ENTRY; then
			objtoolopt="${objtoolopt} --unret"
		fi
	fi

if [ -n "${objtoolopt}" ]; then
		if [ -z "${objtoolcmd}" ]; then
			objtoolcmd="check"
		fi
		objtoolopt="${objtoolopt} --vmlinux"
		if [ -z "${CONFIG_FRAME_POINTER}" ]; then
			objtoolopt="${objtoolopt} --no-fp"
		fi
		if [ -n "${CONFIG_GCOV_KERNEL}" ] || [ -n "${CONFIG_LTO_CLANG}" ]; then
			objtoolopt="${objtoolopt} --no-unreachable"
		fi
		if [ -n "${CONFIG_RETPOLINE}" ]; then
			objtoolopt="${objtoolopt} --retpoline"
		fi
		if [ -n "${CONFIG_X86_SMAP}" ]; then
			objtoolopt="${objtoolopt} --uaccess"
		fi
		if [ -n "${CONFIG_SLS}" ]; then
			objtoolopt="${objtoolopt} --sls"
		fi
		info OBJTOOL ${1}
		tools/objtool/objtool ${objtoolcmd} ${objtoolopt} ${1}
	fi
}

# Link of vmlinux
# ${1} - output file
# ${2}, ${3}, ... - optional extra .o files
vmlinux_link()
{
	local output=${1}
	local objs
	local libs
	local ld
	local ldflags
	local ldlibs

info LD ${output}

# skip output file argument
	shift

if [ -n "${CONFIG_LTO_CLANG}" ]; then
		# Use vmlinux.o instead of performing the slow LTO link again.
		objs=vmlinux.o
		libs=
	else
		objs="${KBUILD_VMLINUX_OBJS}"
		libs="${KBUILD_VMLINUX_LIBS}"
	fi

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 [ "$output" != "${output#.tmp_vmlinux.kallsyms}" ] ; then
		ldflags="${ldflags} ${wl}--strip-debug"
	fi

if [ -n "${CONFIG_VMLINUX_MAP}" ]; then
		ldflags="${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		\
		$@ ${ldlibs}
}

# generate .BTF typeinfo from DWARF debuginfo
# ${1} - vmlinux image
# ${2} - file to dump raw BTF data into
gen_btf()
{
	local pahole_ver

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

vmlinux_link ${1}

info "BTF" ${2}
	LLVM_OBJCOPY="${OBJCOPY}" ${PAHOLE} -J ${PAHOLE_FLAGS} ${1}

# Create ${2} 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} ${2} 2>/dev/null
	# Change e_type to ET_REL so that it can be used to link final vmlinux.
	# GNU ld 2.35+ and lld do not allow an ET_EXEC input.
	if [ -n "${CONFIG_CPU_BIG_ENDIAN}" ]; then
		et_rel='\0\1'
	else
		et_rel='\1\0'
	fi
	printf "${et_rel}" | dd of=${2} conv=notrunc bs=1 seek=16 status=none
}

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

if [ -n "${CONFIG_KALLSYMS_ALL}" ]; then
		kallsymopt="${kallsymopt} --all-symbols"
	fi

if [ -n "${CONFIG_KALLSYMS_ABSOLUTE_PERCPU}" ]; then
		kallsymopt="${kallsymopt} --absolute-percpu"
	fi

if [ -n "${CONFIG_KALLSYMS_BASE_RELATIVE}" ]; then
		kallsymopt="${kallsymopt} --base-relative"
	fi

info KSYMS ${2}
	${NM} -n ${1} | scripts/kallsyms ${kallsymopt} > ${2}
}

# Perform one step in kallsyms generation, including temporary linking of
# vmlinux.
kallsyms_step()
{
	kallsymso_prev=${kallsymso}
	kallsyms_vmlinux=.tmp_vmlinux.kallsyms${1}
	kallsymso=${kallsyms_vmlinux}.o
	kallsyms_S=${kallsyms_vmlinux}.S

vmlinux_link ${kallsyms_vmlinux} "${kallsymso_prev}" ${btf_vmlinux_bin_o}
	kallsyms ${kallsyms_vmlinux} ${kallsyms_S}

info AS ${kallsymso}
	${CC} ${NOSTDINC_FLAGS} ${LINUXINCLUDE} ${KBUILD_CPPFLAGS} \
	      ${KBUILD_AFLAGS} ${KBUILD_AFLAGS_KERNEL} \
	      -c -o ${kallsymso} ${kallsyms_S}
}

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

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

# Delete output files in case of error
cleanup()
{
	rm -f .btf.*
	rm -f .tmp_System.map
	rm -f .tmp_initcalls.lds
	rm -f .tmp_symversions.lds
	rm -f .tmp_vmlinux*
	rm -f System.map
	rm -f vmlinux
	rm -f vmlinux.map
	rm -f vmlinux.o
	rm -f .vmlinux.d
}

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

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

# We need access to CONFIG_ symbols
. include/config/auto.conf

# Update version
info GEN .version
if [ -r .version ]; then
	VERSION=$(expr 0$(cat .version) + 1)
	echo $VERSION > .version
else
	rm -f .version
	echo 1 > .version
fi;

# final build of init/
${MAKE} -f "${srctree}/scripts/Makefile.build" obj=init need-builtin=1

#link vmlinux.o
modpost_link vmlinux.o
objtool_link vmlinux.o

# modpost vmlinux.o to check for section mismatches
${MAKE} -f "${srctree}/scripts/Makefile.modpost" MODPOST_VMLINUX=1

info MODINFO modules.builtin.modinfo
${OBJCOPY} -j .modinfo -O binary vmlinux.o modules.builtin.modinfo
info GEN modules.builtin
# The second line aids cases where multiple modules share the same object.
tr '\0' '\n' < modules.builtin.modinfo | sed -n 's/^[[:alnum:]:_]*\.file=//p' |
	tr ' ' '\n' | uniq | sed -e 's:^:kernel/:' -e 's/$/.ko/' > modules.builtin

btf_vmlinux_bin_o=""
if [ -n "${CONFIG_DEBUG_INFO_BTF}" ]; then
	btf_vmlinux_bin_o=.btf.vmlinux.bin.o
	if ! gen_btf .tmp_vmlinux.btf $btf_vmlinux_bin_o ; then
		echo >&2 "Failed to generate BTF for vmlinux"
		echo >&2 "Try to disable CONFIG_DEBUG_INFO_BTF"
		exit 1
	fi
fi

kallsymso=""
kallsymso_prev=""
kallsyms_vmlinux=""
if [ -n "${CONFIG_KALLSYMS}" ]; then

# kallsyms support
	# Generate section listing all symbols and add it into vmlinux
	# It's a three step process:
	# 1)  Link .tmp_vmlinux1 so it has all symbols and sections,
	#     but __kallsyms is empty.
	#     Running kallsyms on that gives us .tmp_kallsyms1.o with
	#     the right size
	# 2)  Link .tmp_vmlinux2 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_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}.

kallsyms_step 1
	kallsyms_step 2

# step 3
	size1=$(${CONFIG_SHELL} "${srctree}/scripts/file-size.sh" ${kallsymso_prev})
	size2=$(${CONFIG_SHELL} "${srctree}/scripts/file-size.sh" ${kallsymso})

if [ $size1 -ne $size2 ] || [ -n "${KALLSYMS_EXTRA_PASS}" ]; then
		kallsyms_step 3
	fi
fi

vmlinux_link vmlinux "${kallsymso}" ${btf_vmlinux_bin_o}

# fill in BTF IDs
if [ -n "${CONFIG_DEBUG_INFO_BTF}" -a -n "${CONFIG_BPF}" ]; then
	info BTFIDS vmlinux
	${RESOLVE_BTFIDS} vmlinux
fi

if [ -n "${CONFIG_BUILDTIME_TABLE_SORT}" ]; then
	info SORTTAB vmlinux
	if ! sorttable vmlinux; then
		echo >&2 Failed to sort kernel tables
		exit 1
	fi
fi

info SYSMAP System.map
mksysmap vmlinux System.map

# step a (see comment above)
if [ -n "${CONFIG_KALLSYMS}" ]; then
	mksysmap ${kallsyms_vmlinux} .tmp_System.map

if ! cmp -s System.map .tmp_System.map; 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

cmd: