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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gcc-thunk-extern.sh (553B)

      1#!/bin/sh
      2# SPDX-License-Identifier: GPL-2.0
      3# Borrowed from gcc: gcc/testsuite/gcc.target/s390/nobp-section-type-conflict.c
      4# Checks that we don't get error: section type conflict with ‘put_page’.
      5
      6cat << "END" | $@ -x c - -fno-PIE -march=z10 -mindirect-branch=thunk-extern -mfunction-return=thunk-extern -mindirect-branch-table -O2 -c -o /dev/null
      7int a;
      8int b (void);
      9void c (int);
     10
     11static void
     12put_page (void)
     13{
     14  if (b ())
     15    c (a);
     16}
     17
     18__attribute__ ((__section__ (".init.text"), __cold__)) void
     19d (void)
     20{
     21  put_page ();
     22  put_page ();
     23}
     24END