#!/bin/bash

# Copyright (c) 2018 Red Hat.
#
# This is free software; you can redistribute it and/or modify it
# under the terms of the GNU General Public License as published
# by the Free Software Foundation; either version 3, or (at your
# option) any later version.
#
# It is distributed in the hope that it will be useful, but
# WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.


# Test that a bad GNU Property note section/segment is detected.

rm -f hello.o property-note.o hello3.o property-note-test.exe property-note-test.out

GAS=as
GCC=gcc
ANNOCHECK=../annocheck/annocheck
PLUGIN=../plugin/.libs/annobin.so

PLUGIN_OPTS="-fplugin-arg-annobin-no-attach"
OPTS="-c -O2 -D_FORTIFY_SOURCE=2 -fPIE -Wall -fstack-protector-strong -D_GLIBCXX_ASSERTIONS -fstack-clash-protection"
EXTRA_OPTS="-fcf-protection -mstackrealign"

$GCC -fplugin=$PLUGIN $PLUGIN_OPTS -g $OPTS $EXTRA_OPTS  $srcdir/hello_hard.c 
if [ $? != 0 ];
then
    echo "Compiler might not support -fcf-protection, retrying without it"
    EXTRA_OPTS="-mstackrealign"
    $GCC -fplugin=$PLUGIN $PLUGIN_OPTS -g $OPTS  $EXTRA_OPTS $srcdir/hello_hard.c 
    if [ $? != 0 ];
    then
	echo "Compiler might not support -mstackrealign, retrying without it"
	EXTRA_OPTS="-fcf-protection"
	$GCC -fplugin=$PLUGIN $PLUGIN_OPTS -g $OPTS $EXTRA_OPTS $srcdir/hello_hard.c 
	if [ $? != 0 ];
	then
	    echo "Compiler might not support either -fcf-protection or -mstackrealign, retrying without both"
	    EXTRA_OPTS=""
	    $GCC -fplugin=$PLUGIN $PLUGIN_OPTS -g $OPTS $EXTRA_OPTS $srcdir/hello_hard.c 
	    if [ $? != 0 ];
	    then
		echo "Failed :-("
		exit 1
	    fi
	fi
    fi
fi

$GAS $srcdir/property-note.S -o property-note.o

$GCC -fplugin=$PLUGIN $PLUGIN_OPTS $OPTS $EXTRA_OPTS -c $srcdir/hello.c $srcdir/hello3.c

$GCC -pie hello.o property-note.o hello3.o -o property-note-test.exe -Wl,--defsym,big_stack=0 -Wl,-z,now

$ANNOCHECK property-note-test.exe > property-note-test.out

cat property-note-test.out

grep --silent "Bad GNU Property note" property-note-test.out