1#!/bin/sh 2# SPDX-License-Identifier: LGPL-2.1 3 4if [ $# -ne 3 ] ; then 5 [ $# -eq 1 ] && hostarch=$1 || hostarch=`uname -m | sed -e s/i.86/x86/ -e s/x86_64/x86/` 6 linux_header_dir=tools/include/uapi/linux 7 header_dir=tools/include/uapi/asm-generic 8 arch_header_dir=tools/arch/${hostarch}/include/uapi/asm 9else 10 linux_header_dir=$1 11 header_dir=$2 12 arch_header_dir=$3 13fi 14 15linux_mman=${linux_header_dir}/mman.h 16arch_mman=${arch_header_dir}/mman.h 17 18# those in egrep -vw are flags, we want just the bits 19 20printf "static const char *mmap_flags[] = {\n" 21regex='^[[:space:]]*#[[:space:]]*define[[:space:]]+MAP_([[:alnum:]_]+)[[:space:]]+(0x[[:xdigit:]]+)[[:space:]]*.*' 22egrep -q $regex ${arch_mman} && \ 23(egrep $regex ${arch_mman} | \ 24 sed -r "s/$regex/\2 \1 \1 \1 \2/g" | \ 25 xargs printf "\t[ilog2(%s) + 1] = \"%s\",\n#ifndef MAP_%s\n#define MAP_%s %s\n#endif\n") 26egrep -q $regex ${linux_mman} && \ 27(egrep $regex ${linux_mman} | \ 28 egrep -vw 'MAP_(UNINITIALIZED|TYPE|SHARED_VALIDATE)' | \ 29 sed -r "s/$regex/\2 \1 \1 \1 \2/g" | \ 30 xargs printf "\t[ilog2(%s) + 1] = \"%s\",\n#ifndef MAP_%s\n#define MAP_%s %s\n#endif\n") 31([ ! -f ${arch_mman} ] || egrep -q '#[[:space:]]*include[[:space:]]+.*uapi/asm-generic/mman.*' ${arch_mman}) && 32(egrep $regex ${header_dir}/mman-common.h | \ 33 egrep -vw 'MAP_(UNINITIALIZED|TYPE|SHARED_VALIDATE)' | \ 34 sed -r "s/$regex/\2 \1 \1 \1 \2/g" | \ 35 xargs printf "\t[ilog2(%s) + 1] = \"%s\",\n#ifndef MAP_%s\n#define MAP_%s %s\n#endif\n") 36([ ! -f ${arch_mman} ] || egrep -q '#[[:space:]]*include[[:space:]]+.*uapi/asm-generic/mman.h>.*' ${arch_mman}) && 37(egrep $regex ${header_dir}/mman.h | \ 38 sed -r "s/$regex/\2 \1 \1 \1 \2/g" | \ 39 xargs printf "\t[ilog2(%s) + 1] = \"%s\",\n#ifndef MAP_%s\n#define MAP_%s %s\n#endif\n") 40printf "};\n" 41