cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
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syscallnr.sh (843B)

      1#!/bin/sh
      2# SPDX-License-Identifier: GPL-2.0
      3in="$1"
      4out="$2"
      5align=1
      6
      7fileguard=_ASM_ARM_`basename "$out" | sed \
      8    -e 'y/abcdefghijklmnopqrstuvwxyz/ABCDEFGHIJKLMNOPQRSTUVWXYZ/' \
      9    -e 's/[^A-Z0-9_]/_/g' -e 's/__/_/g'`
     10
     11grep -E "^[0-9A-Fa-fXx]+[[:space:]]+" "$in" | sort -n | tail -n1 | (
     12    echo "#ifndef ${fileguard}
     13#define ${fileguard} 1
     14
     15/*
     16 * This needs to be greater than __NR_last_syscall+1 in order to account
     17 * for the padding in the syscall table.
     18 */
     19"
     20
     21    while read nr abi name entry; do
     22        nr=$(($nr + 1))
     23        while [ "$(($nr / (256 * $align) ))" -gt 0 ]; do
     24            align=$(( $align * 4 ))
     25        done
     26        nr=$(( ($nr + $align - 1) & ~($align - 1) ))
     27        echo "/* aligned to $align */"
     28        echo "#define __NR_syscalls $nr"
     29    done
     30
     31    echo ""
     32    echo "#endif /* ${fileguard} */"
     33) > "$out"