198c8b625SKonstantin Belousov#!/bin/sh 24d846d26SWarner Losh# SPDX-License-Identifier: BSD-2-Clause 398c8b625SKonstantin Belousov# 498c8b625SKonstantin Belousov# Copyright (c) 2021 The FreeBSD Foundation 598c8b625SKonstantin Belousov# All rights reserved. 698c8b625SKonstantin Belousov# 798c8b625SKonstantin Belousov# This software was developed by Konstantin Belousov <kib@FreeBSD.org> 898c8b625SKonstantin Belousov# under sponsorship from the FreeBSD Foundation. 998c8b625SKonstantin Belousov# 1098c8b625SKonstantin Belousov# Redistribution and use in source and binary forms, with or without 1198c8b625SKonstantin Belousov# modification, are permitted provided that the following conditions 1298c8b625SKonstantin Belousov# are met: 1398c8b625SKonstantin Belousov# 1. Redistributions of source code must retain the above copyright 1498c8b625SKonstantin Belousov# notice, this list of conditions and the following disclaimer. 1598c8b625SKonstantin Belousov# 2. Redistributions in binary form must reproduce the above copyright 1698c8b625SKonstantin Belousov# notice, this list of conditions and the following disclaimer in the 1798c8b625SKonstantin Belousov# documentation and/or other materials provided with the distribution. 1898c8b625SKonstantin Belousov# 1998c8b625SKonstantin Belousov# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 2098c8b625SKonstantin Belousov# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 2198c8b625SKonstantin Belousov# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 2298c8b625SKonstantin Belousov# ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 2398c8b625SKonstantin Belousov# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 2498c8b625SKonstantin Belousov# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 2598c8b625SKonstantin Belousov# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 2698c8b625SKonstantin Belousov# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 2798c8b625SKonstantin Belousov# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 2898c8b625SKonstantin Belousov# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 2998c8b625SKonstantin Belousov# SUCH DAMAGE. 3098c8b625SKonstantin Belousov 3198c8b625SKonstantin Belousovset -e 3298c8b625SKonstantin Belousov 3398c8b625SKonstantin Belousov${CC} -x assembler-with-cpp -DLOCORE -fPIC -nostdinc -c -m32 \ 3498c8b625SKonstantin Belousov -o ia32_sigtramp.pico -I. -I"${S}" -include opt_global.h \ 3598c8b625SKonstantin Belousov "${S}"/amd64/ia32/ia32_sigtramp.S 3698c8b625SKonstantin Belousov 37*3b2cf938SKonstantin Belousovif ${LD} --version | ${AWK} '/^GNU ld/{exit 1}' ; then 38*3b2cf938SKonstantin Belousov RODYNAMIC="-z rodynamic" 39*3b2cf938SKonstantin Belousovelse 40*3b2cf938SKonstantin Belousov RODYNAMIC="" 41*3b2cf938SKonstantin Belousovfi 4298c8b625SKonstantin Belousov${LD} --shared -Bsymbolic -soname="elf-vdso32.so.1" \ 4398c8b625SKonstantin Belousov -T "${S}"/conf/vdso_amd64_ia32.ldscript \ 44*3b2cf938SKonstantin Belousov --eh-frame-hdr --no-undefined ${RODYNAMIC} -z norelro -nmagic \ 4598c8b625SKonstantin Belousov --hash-style=sysv --fatal-warnings --strip-all \ 4698c8b625SKonstantin Belousov -o elf-vdso32.so.1 ia32_sigtramp.pico 4798c8b625SKonstantin Belousov 48b0e0b4e7SKonstantin Belousovif [ "$(wc -c elf-vdso32.so.1 | ${AWK} '{print $1}')" -gt 2048 ] 49b0e0b4e7SKonstantin Belousovthen 50b0e0b4e7SKonstantin Belousov echo "elf-vdso32.so.1 too large" 1>&2 51b0e0b4e7SKonstantin Belousov exit 1 52b0e0b4e7SKonstantin Belousovfi 53b0e0b4e7SKonstantin Belousov 54d49b75d0SKonstantin Belousovif [ -n "$(${ELFDUMP} -d elf-vdso32.so.1 | \ 55d49b75d0SKonstantin Belousov ${AWK} '/DT_REL.*SZ/{print "RELOCS"}')" ] 56d49b75d0SKonstantin Belousovthen 57d49b75d0SKonstantin Belousov echo "elf-vdso32.so.1 contains runtime relocations" 1>&2 58d49b75d0SKonstantin Belousov exit 1 59d49b75d0SKonstantin Belousovfi 60d49b75d0SKonstantin Belousov 61169b368aSJessica Clarke${CC} ${DEBUG} -x assembler-with-cpp -DLOCORE -fPIC -nostdinc -c \ 6298c8b625SKonstantin Belousov -o elf-vdso32.so.o -I. -I"${S}" -include opt_global.h \ 638a6ab0f7SJessica Clarke -DVDSO_NAME=elf_vdso32_so_1 -DVDSO_FILE=\"elf-vdso32.so.1\" \ 6498c8b625SKonstantin Belousov "${S}"/tools/vdso_wrap.S 6598c8b625SKonstantin Belousov 6698c8b625SKonstantin Belousov${NM} -D elf-vdso32.so.1 | ${AWK} \ 6798c8b625SKonstantin Belousov '/__vdso_ia32_sigcode/{printf "#define VDSO_IA32_SIGCODE_OFFSET 0x%s\n",$1} 6898c8b625SKonstantin Belousov /__vdso_freebsd4_ia32_sigcode/{printf "#define VDSO_FREEBSD4_IA32_SIGCODE_OFFSET 0x%s\n",$1} 6998c8b625SKonstantin Belousov /__vdso_ia32_osigcode/{printf "#define VDSO_IA32_OSIGCODE_OFFSET 0x%s\n",$1} 7098c8b625SKonstantin Belousov /__vdso_lcall_tramp/{printf "#define VDSO_LCALL_TRAMP_OFFSET 0x%s\n",$1}' \ 7198c8b625SKonstantin Belousov >vdso_ia32_offsets.h 72