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Index of /FSS-BCZ/root/sys/module/nft_limit/sections
Index of /FSS-BCZ/root/sys/module/nft_limit/sections
# lY>TD rOF
|. # #!/usr/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"
is_enabled() {
grep -q "^$1=y" include/config/auto.conf
}
# RHEL-only workaround for missing upstream b42d23065024
# ("kbuild: factor out the common objtool arguments"), provide a means
# to read configuration values for a key like CONFIG_FUNCTION_PADDING_BYTES
config_value() {
gawk -vkey="$1" -F= '$1==key{ print $NF }' include/config/auto.conf 2>/dev/null
}
# Nice output in kbuild format
# Will be supressed by "make -s"
info()
{
printf " %-7s %s\n" "${1}" "${2}"
}
# 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 ${output}
# skip output file argument
shift
if is_enabled CONFIG_LTO_CLANG || is_enabled CONFIG_X86_KERNEL_IBT; then
# Use vmlinux.o instead of performing the slow LTO link again.
objs=vmlinux.o
libs=
else
objs="${KBUILD_VMLINUX_OBJS}"
libs="${KBUILD_VMLINUX_LIBS}"
fi
if is_enabled CONFIG_MODULES; then
objs="${objs} .vmlinux.export.o"
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} ${wl}--strip-debug"
fi
if is_enabled CONFIG_VMLINUX_MAP; then
ldflags="${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 \
$@ ${arch_vmlinux_o} ${ldlibs}
}
# generate .BTF typeinfo from DWARF debug