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# $NetBSD: t_section.sh,v 1.4 2015/02/17 11:51:04 martin Exp $
#
# Copyright (c) 2014 The NetBSD Foundation, Inc.
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions
# are met:
# 1. Redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer.
# 2. Redistributions in binary form must reproduce the above copyright
# notice, this list of conditions and the following disclaimer in the
# documentation and/or other materials provided with the distribution.
#
# THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
# ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
# TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
# PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
# BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
# POSSIBILITY OF SUCH DAMAGE.
#
################################################################################
atf_test_case startstop
startstop_head() {
atf_set "descr" "check if __start_*/__stop_* symbols are generated"
atf_set "require.progs" "cc"
}
startstop_body() {
cat > test.c << EOF
#include <sys/cdefs.h>
int i __section("hoge");
extern int __start_hoge[], __stop_hoge[];
int main(void) { return __start_hoge[0] + __stop_hoge[0]; }
EOF
atf_check -s exit:0 -o ignore -e ignore cc -o test test.c
}
################################################################################
atf_test_case orphan
orphan_head() {
atf_set "descr" "check orphan section placement"
atf_set "require.progs" "cc" "readelf" "grep"
}
orphan_body() {
cat > test.c << EOF
#include <sys/cdefs.h>
/* read-only orphan */
const char a[] __section("hoge") = "hoge";
/* read-write orphan */
char b[] __section("fuga") = { 'f', 'u', 'g', 'a', '\0' };
/* .data */
int c[1024] = { 123, 20, 1, 0 };
/* .bss */
int d = 0;
/* .text */
int main(void) { return 0; }
EOF
atf_check -s exit:0 -o ignore -e ignore cc -o test test.c
readelf -S test |
grep ' \.text\| hoge\| \.data\| fuga\| \.bss' >test.secs
{
# Read-only orphan sections are placed after well-known
# read-only sections (.text, .rodata) but before .data.
match ".text" &&
match "hoge" &&
# Read-write orphan sections are placed after well-known
# read-write sections (.data) but before .bss.
match ".data" &&
match "fuga" &&
match ".bss" &&
:
} < test.secs
atf_check test "$?" -eq 0
}
match() {
read line
case "$line" in
*"$1"*) return 0;
esac
return 1
}
################################################################################
atf_init_test_cases()
{
atf_add_test_case startstop
atf_add_test_case orphan
}
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