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 grep -E -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:]]*.*' 22test -f ${arch_mman} && \ 23grep -E -q $regex ${arch_mman} && \ 24(grep -E $regex ${arch_mman} | \ 25 sed -r "s/$regex/\2 \1 \1 \1 \2/g" | \ 26 xargs printf "\t[ilog2(%s) + 1] = \"%s\",\n#ifndef MAP_%s\n#define MAP_%s %s\n#endif\n") 27grep -E -q $regex ${linux_mman} && \ 28(grep -E $regex ${linux_mman} | \ 29 grep -E -vw 'MAP_(UNINITIALIZED|TYPE|SHARED_VALIDATE)' | \ 30 sed -r "s/$regex/\2 \1 \1 \1 \2/g" | \ 31 xargs printf "\t[ilog2(%s) + 1] = \"%s\",\n#ifndef MAP_%s\n#define MAP_%s %s\n#endif\n") 32( ! test -f ${arch_mman} || \ 33grep -E -q '#[[:space:]]*include[[:space:]]+.*uapi/asm-generic/mman.*' ${arch_mman}) && 34(grep -E $regex ${header_dir}/mman-common.h | \ 35 grep -E -vw 'MAP_(UNINITIALIZED|TYPE|SHARED_VALIDATE)' | \ 36 sed -r "s/$regex/\2 \1 \1 \1 \2/g" | \ 37 xargs printf "\t[ilog2(%s) + 1] = \"%s\",\n#ifndef MAP_%s\n#define MAP_%s %s\n#endif\n") 38( ! test -f ${arch_mman} || \ 39grep -E -q '#[[:space:]]*include[[:space:]]+.*uapi/asm-generic/mman.h>.*' ${arch_mman}) && 40(grep -E $regex ${header_dir}/mman.h | \ 41 sed -r "s/$regex/\2 \1 \1 \1 \2/g" | \ 42 xargs printf "\t[ilog2(%s) + 1] = \"%s\",\n#ifndef MAP_%s\n#define MAP_%s %s\n#endif\n") 43printf "};\n" 44