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