1#!/usr/bin/ksh 2# 3# This file and its contents are supplied under the terms of the 4# Common Development and Distribution License ("CDDL"), version 1.0. 5# You may only use this file in accordance with the terms of version 6# 1.0 of the CDDL. 7# 8# A full copy of the text of the CDDL should have accompanied this 9# source. A copy of the CDDL is also available via the Internet at 10# http://www.illumos.org/license/CDDL. 11# 12 13# 14# Copyright 2018, Richard Lowe. 15# 16 17# Test that existing definitions of the start/stop symbols are reported 18# as conflicting with internal symbols. 19 20tmpdir=/tmp/test.$$ 21mkdir $tmpdir 22cd $tmpdir 23 24cleanup() { 25 cd / 26 rm -fr $tmpdir 27} 28 29trap 'cleanup' EXIT 30 31cat > broken.c <<EOF 32char foo[1024] __attribute__((section("set_foo"))); 33void *__start_set_foo; 34 35int 36main() 37{ 38 return (0); 39} 40EOF 41 42# We expect any alternate linker to be in LD_ALTEXEC for us already 43gcc -o broken broken.c -Wall -Wextra -Wl,-zfatal-warnings > in-use.$$.out 2>&1 44if (( $? == 0 )); then 45 print -u2 "use of a reserved symbol didn't fail" 46 exit 1; 47fi 48 49grep -q "^ld: warning: reserved symbol '__start_set_foo' already defined in file" in-use.$$.out 50if (( $? != 0 )); then 51 print -u2 "use of a reserved symbol failed for the wrong reason" 52 exit 1; 53fi 54