cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
Log | Files | Refs | README | LICENSE | sfeed.txt

mmap_flags.sh (1754B)

      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"