freebsd-dev/sys/conf/vdso_amd64_ia32.ldscript
Konstantin Belousov fd8d4e53bc vdso linker scripts: explicitly specify output arch and target
Requested by:	jhb
Reviewed by:	emaste, imp, jhb
Sponsored by:	The FreeBSD Foundation
MFC after:	1 week
Differential revision:	https://reviews.freebsd.org/D34157
2022-02-12 00:32:23 +02:00

102 lines
3.0 KiB
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/*-
* SPDX-License-Identifier: BSD-2-Clause-FreeBSD
*
* Copyright (c) 2021 The FreeBSD Foundation
*
* 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.
*/
/*
* Linker script for ia32 (32bit) vdso on amd64.
*/
/*
* The OUTPUT_ARCH and TARGET lines are for ld.bfd, which cannot determine
* the output format based on the first input file.
* lld doesn't do much with them, the only thing it does is produce ELF
* or binary based on TARGET.
*/
OUTPUT_ARCH(i386)
TARGET(elf32-i386-freebsd)
PHDRS
{
text PT_LOAD FILEHDR PHDRS FLAGS(5); /* PF_R|PF_X */
dynamic PT_DYNAMIC FLAGS(5);
eh_frame_hdr PT_GNU_EH_FRAME FLAGS(5);
}
SECTIONS
{
. = . + SIZEOF_HEADERS;
.hash : { *(.hash) } :text
.gnu.hash : { *(.gnu.hash) } :text
.dynsym : { *(.dynsym) } :text
.dynstr : { *(.dynstr) } :text
.gnu.version : { *(.gnu.version) } :text
.gnu.version_d : { *(.gnu.version_d) } :text
.gnu.version_r : { *(.gnu.version_r) } :text
.eh_frame_hdr : { *(.eh_frame_hdr) } :text :eh_frame_hdr
.eh_frame : { KEEP (*(.eh_frame)) } :text
.dynamic : { *(.dynamic) } :text :dynamic
.rodata : { *(.rodata*) } :text
.data : {
*(.got.plt) *(.got)
} :text
/DISCARD/ /* .data */: {
*(.data*)
*(.sdata*)
*(.gnu.linkonce.d.*)
*(.bss*)
*(.dynbss*)
*(.gnu.linkonce.b.*)
*(.ctors)
*(.dtors)
*(.jcr)
*(.init_array)
*(.init)
*(.fini)
*(.debug*)
*(.comment)
}
. = ALIGN(0x10);
.text : { *(.text .text*) } :text =0x90909090
}
VERSION
{
FBSD_1.7 {
global:
__vdso_ia32_sigcode;
__vdso_freebsd4_ia32_sigcode;
__vdso_ia32_osigcode;
__vdso_lcall_tramp;
local:
*;
};
}