1#!/bin/sh
2
3# icf_safe_test.sh -- test --icf=safe
4
5# Copyright (C) 2009-2014 Free Software Foundation, Inc.
6# Written by Sriraman Tallam <tmsriram@google.com>.
7
8# This file is part of gold.
9
10# This program is free software; you can redistribute it and/or modify
11# it under the terms of the GNU General Public License as published by
12# the Free Software Foundation; either version 3 of the License, or
13# (at your option) any later version.
14
15# This program is distributed in the hope that it will be useful,
16# but WITHOUT ANY WARRANTY; without even the implied warranty of
17# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
18# GNU General Public License for more details.
19
20# You should have received a copy of the GNU General Public License
21# along with this program; if not, write to the Free Software
22# Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
23# MA 02110-1301, USA.
24
25# The goal of this program is to verify if --icf=safe  works as expected.
26# File icf_safe_test.cc is in this test. This program checks if only
27# ctors and dtors are folded, except for x86 (32 and 64 bit), which
28# uses relocation types to detect if function pointers are taken.
29
30check_nofold()
31{
32    func_addr_1=`grep $2 $1 | awk '{print $1}'`
33    func_addr_2=`grep $3 $1 | awk '{print $1}'`
34    if [ $func_addr_1 = $func_addr_2 ]
35    then
36        echo "Safe Identical Code Folding folded" $2 "and" $3
37	exit 1
38    fi
39}
40
41check_fold()
42{
43    awk "
44BEGIN { discard = 0; }
45/^Discarded input/ { discard = 1; }
46/^Memory map/ { discard = 0; }
47/.*\\.text\\..*($2|$3).*/ { act[discard] = act[discard] \" \" \$0; }
48END {
49      # printf \"kept\" act[0] \"\\nfolded\" act[1] \"\\n\";
50      if (length(act[0]) == 0 || length(act[1]) == 0)
51	{
52	  printf \"Safe Identical Code Folding did not fold $2 and $3\\n\"
53	  exit 1;
54	}
55    }" $1
56}
57
58arch_specific_safe_fold()
59{
60    grep_x86=`grep -q -e "Advanced Micro Devices X86-64" -e "Intel 80386" -e "ARM" -e "TILE" -e "PowerPC" -e "AArch64" $2`
61    if [ $? -eq 0 ];
62    then
63      check_fold $3 $4 $5
64    else
65      check_nofold $1 $4 $5
66    fi
67}
68
69arch_specific_safe_fold icf_safe_test_1.stdout icf_safe_test_2.stdout \
70  icf_safe_test.map "kept_func_1" "kept_func_2"
71check_fold   icf_safe_test.map "_ZN1AD2Ev" "_ZN1AC2Ev"
72check_nofold icf_safe_test_1.stdout "kept_func_3" "kept_func_1"
73check_nofold icf_safe_test_1.stdout "kept_func_3" "kept_func_2"
74