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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tools-support-relr.sh (546B)

      1#!/bin/sh -eu
      2# SPDX-License-Identifier: GPL-2.0
      3
      4tmp_file=$(mktemp)
      5trap "rm -f $tmp_file.o $tmp_file $tmp_file.bin" EXIT
      6
      7cat << "END" | $CC -c -x c - -o $tmp_file.o >/dev/null 2>&1
      8void *p = &p;
      9END
     10$LD $tmp_file.o -shared -Bsymbolic --pack-dyn-relocs=relr \
     11  --use-android-relr-tags -o $tmp_file
     12
     13# Despite printing an error message, GNU nm still exits with exit code 0 if it
     14# sees a relr section. So we need to check that nothing is printed to stderr.
     15test -z "$($NM $tmp_file 2>&1 >/dev/null)"
     16
     17$OBJCOPY -O binary $tmp_file $tmp_file.bin