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| author | Konstantin Belousov <kib@FreeBSD.org> | 2021-11-14 00:26:55 +0000 |
|---|---|---|
| committer | Konstantin Belousov <kib@FreeBSD.org> | 2021-12-06 18:46:49 +0000 |
| commit | 98c8b6252496e874d337d9a7b565d9037609168f (patch) | |
| tree | 97389d7a05a8b4ba83c81d63a13bff285244b19a /sys/tools | |
| parent | 290e05dde058b50aec48464d7116a55c7417575e (diff) | |
| download | src-98c8b6252496e874d337d9a7b565d9037609168f.tar.gz src-98c8b6252496e874d337d9a7b565d9037609168f.zip | |
vdso for ia32 on amd64
Reviewed by: emaste
Discussed with: jrtc27
Tested by: pho
Sponsored by: The FreeBSD Foundation
MFC after: 1 month
Differential revision: https://reviews.freebsd.org/D32960
Diffstat (limited to 'sys/tools')
| -rw-r--r-- | sys/tools/amd64_ia32_vdso.sh | 53 |
1 files changed, 53 insertions, 0 deletions
diff --git a/sys/tools/amd64_ia32_vdso.sh b/sys/tools/amd64_ia32_vdso.sh new file mode 100644 index 000000000000..15ad866b4471 --- /dev/null +++ b/sys/tools/amd64_ia32_vdso.sh @@ -0,0 +1,53 @@ +#!/bin/sh +# SPDX-License-Identifier: BSD-2-Clause-FreeBSD +# +# Copyright (c) 2021 The FreeBSD Foundation +# All rights reserved. +# +# This software was developed by Konstantin Belousov <kib@FreeBSD.org> +# under sponsorship from the FreeBSD Foundation. +# +# 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 AUTHOR 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 AUTHOR 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. + +set -e + +${CC} -x assembler-with-cpp -DLOCORE -fPIC -nostdinc -c -m32 \ + -o ia32_sigtramp.pico -I. -I"${S}" -include opt_global.h \ + "${S}"/amd64/ia32/ia32_sigtramp.S + +${LD} --shared -Bsymbolic -soname="elf-vdso32.so.1" \ + -T "${S}"/conf/vdso_amd64_ia32.ldscript \ + --eh-frame-hdr --no-undefined -z rodynamic -z norelro -nmagic \ + --hash-style=sysv --fatal-warnings --strip-all \ + -o elf-vdso32.so.1 ia32_sigtramp.pico + +${CC} -x assembler-with-cpp -DLOCORE -fPIC -nostdinc -c \ + -o elf-vdso32.so.o -I. -I"${S}" -include opt_global.h \ + -DVDSO_NAME=elf_vdso32_so_1 -DVDSO_FILE=elf-vdso32.so.1 \ + "${S}"/tools/vdso_wrap.S + +${NM} -D elf-vdso32.so.1 | ${AWK} \ + '/__vdso_ia32_sigcode/{printf "#define VDSO_IA32_SIGCODE_OFFSET 0x%s\n",$1} + /__vdso_freebsd4_ia32_sigcode/{printf "#define VDSO_FREEBSD4_IA32_SIGCODE_OFFSET 0x%s\n",$1} + /__vdso_ia32_osigcode/{printf "#define VDSO_IA32_OSIGCODE_OFFSET 0x%s\n",$1} + /__vdso_lcall_tramp/{printf "#define VDSO_LCALL_TRAMP_OFFSET 0x%s\n",$1}' \ + >vdso_ia32_offsets.h |