114 строки
3.4 KiB
Bash
Executable File
114 строки
3.4 KiB
Bash
Executable File
#!/bin/sh
|
|
# SPDX-License-Identifier: GPL-2.0
|
|
|
|
if [ $# -ne 2 ]
|
|
then
|
|
echo "Usage: headers_install.sh INFILE OUTFILE"
|
|
echo
|
|
echo "Prepares kernel header files for use by user space, by removing"
|
|
echo "all compiler.h definitions and #includes, removing any"
|
|
echo "#ifdef __KERNEL__ sections, and putting __underscores__ around"
|
|
echo "asm/inline/volatile keywords."
|
|
echo
|
|
echo "INFILE: header file to operate on"
|
|
echo "OUTFILE: output file which the processed header is written to"
|
|
|
|
exit 1
|
|
fi
|
|
|
|
# Grab arguments
|
|
INFILE=$1
|
|
OUTFILE=$2
|
|
TMPFILE=$OUTFILE.tmp
|
|
|
|
trap 'rm -f $OUTFILE $TMPFILE' EXIT
|
|
|
|
# SPDX-License-Identifier with GPL variants must have "WITH Linux-syscall-note"
|
|
if [ -n "$(sed -n -e "/SPDX-License-Identifier:.*GPL-/{/WITH Linux-syscall-note/!p}" $INFILE)" ]; then
|
|
echo "error: $INFILE: missing \"WITH Linux-syscall-note\" for SPDX-License-Identifier" >&2
|
|
exit 1
|
|
fi
|
|
|
|
sed -E -e '
|
|
s/([[:space:](])(__user|__force|__iomem)[[:space:]]/\1/g
|
|
s/__attribute_const__([[:space:]]|$)/\1/g
|
|
s@^#include <linux/compiler(|_types).h>@@
|
|
s/(^|[^a-zA-Z0-9])__packed([^a-zA-Z0-9_]|$)/\1__attribute__((packed))\2/g
|
|
s/(^|[[:space:](])(inline|asm|volatile)([[:space:](]|$)/\1__\2__\3/g
|
|
s@#(ifndef|define|endif[[:space:]]*/[*])[[:space:]]*_UAPI@#\1 @
|
|
' $INFILE > $TMPFILE || exit 1
|
|
|
|
scripts/unifdef -U__KERNEL__ -D__EXPORTED_HEADERS__ $TMPFILE > $OUTFILE
|
|
[ $? -gt 1 ] && exit 1
|
|
|
|
# Remove /* ... */ style comments, and find CONFIG_ references in code
|
|
configs=$(sed -e '
|
|
:comment
|
|
s:/\*[^*][^*]*:/*:
|
|
s:/\*\*\**\([^/]\):/*\1:
|
|
t comment
|
|
s:/\*\*/: :
|
|
t comment
|
|
/\/\*/! b check
|
|
N
|
|
b comment
|
|
:print
|
|
P
|
|
D
|
|
:check
|
|
s:^\(CONFIG_[[:alnum:]_]*\):\1\n:
|
|
t print
|
|
s:^[[:alnum:]_][[:alnum:]_]*::
|
|
s:^[^[:alnum:]_][^[:alnum:]_]*::
|
|
t check
|
|
d
|
|
' $OUTFILE)
|
|
|
|
# The entries in the following list do not result in an error.
|
|
# Please do not add a new entry. This list is only for existing ones.
|
|
# The list will be reduced gradually, and deleted eventually. (hopefully)
|
|
#
|
|
# The format is <file-name>:<CONFIG-option> in each line.
|
|
config_leak_ignores="
|
|
arch/alpha/include/uapi/asm/setup.h:CONFIG_ALPHA_LEGACY_START_ADDRESS
|
|
arch/arc/include/uapi/asm/page.h:CONFIG_ARC_PAGE_SIZE_16K
|
|
arch/arc/include/uapi/asm/page.h:CONFIG_ARC_PAGE_SIZE_4K
|
|
arch/arc/include/uapi/asm/swab.h:CONFIG_ARC_HAS_SWAPE
|
|
arch/arm/include/uapi/asm/ptrace.h:CONFIG_CPU_ENDIAN_BE8
|
|
arch/hexagon/include/uapi/asm/ptrace.h:CONFIG_HEXAGON_ARCH_VERSION
|
|
arch/hexagon/include/uapi/asm/user.h:CONFIG_HEXAGON_ARCH_VERSION
|
|
arch/ia64/include/uapi/asm/cmpxchg.h:CONFIG_IA64_DEBUG_CMPXCHG
|
|
arch/m68k/include/uapi/asm/ptrace.h:CONFIG_COLDFIRE
|
|
arch/nios2/include/uapi/asm/swab.h:CONFIG_NIOS2_CI_SWAB_NO
|
|
arch/nios2/include/uapi/asm/swab.h:CONFIG_NIOS2_CI_SWAB_SUPPORT
|
|
arch/x86/include/uapi/asm/auxvec.h:CONFIG_IA32_EMULATION
|
|
arch/x86/include/uapi/asm/auxvec.h:CONFIG_X86_64
|
|
arch/x86/include/uapi/asm/mman.h:CONFIG_X86_INTEL_MEMORY_PROTECTION_KEYS
|
|
include/uapi/asm-generic/fcntl.h:CONFIG_64BIT
|
|
include/uapi/linux/atmdev.h:CONFIG_COMPAT
|
|
include/uapi/linux/eventpoll.h:CONFIG_PM_SLEEP
|
|
include/uapi/linux/hw_breakpoint.h:CONFIG_HAVE_MIXED_BREAKPOINTS_REGS
|
|
include/uapi/linux/pktcdvd.h:CONFIG_CDROM_PKTCDVD_WCACHE
|
|
"
|
|
|
|
for c in $configs
|
|
do
|
|
leak_error=1
|
|
|
|
for ignore in $config_leak_ignores
|
|
do
|
|
if echo "$INFILE:$c" | grep -q "$ignore$"; then
|
|
leak_error=
|
|
break
|
|
fi
|
|
done
|
|
|
|
if [ "$leak_error" = 1 ]; then
|
|
echo "error: $INFILE: leak $c to user-space" >&2
|
|
exit 1
|
|
fi
|
|
done
|
|
|
|
rm -f $TMPFILE
|
|
trap - EXIT
|