1 #!/bin/sh
2 # SPDX-License-Identifier: LGPL-2.1
3
4 if [ $# -ne 1 ] ; then
5 linux_header_dir=tools/include/uapi/linux
6 else
7 linux_header_dir=$1
8 fi
9
10 linux_mman=${linux_header_dir}/mman.h
11
12 printf "static const char *mremap_flags[] = {\n"
13 regex='^[[:space:]]*#[[:space:]]*define[[:space:]]+MREMAP_([[:alnum:]_]+)[[:space:]]+((0x)?[[:xdigit:]]+)[[:space:]]*.*'
14 grep -E -q $regex ${linux_mman} && \
15 (grep -E $regex ${linux_mman} | \
16 sed -r "s/$regex/\2 \1 \1 \1 \2/g" | \
17 xargs printf "\t[ilog2(%s) + 1] = \"%s\",\n#ifndef MREMAP_%s\n#define MREMAP_%s %s\n#endif\n")
18 printf "};\n"
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