freebsd-nq/sys/tools/vdso_wrap.S
Konstantin Belousov ab4524b3d7 amd64: wrap 64bit sigtramp into vdso
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
2021-12-06 20:46:49 +02:00

49 lines
2.1 KiB
ArmAsm

/*-
* SPDX-License-Identifier: BSD-2-Clause
*
* 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.
*/
#include <sys/cdefs.h>
#define VDSO_BLOB_START(S) __CONCAT(_binary_, __CONCAT(S, _start))
#define VDSO_BLOB_END(S) __CONCAT(_binary_, __CONCAT(S, _end))
#define VDSO_BLOB_SIZE(S) __CONCAT(_binary_, __CONCAT(S, _size))
.section .rodata, "a", %progbits
.globl VDSO_BLOB_START(VDSO_NAME)
.type VDSO_BLOB_START(VDSO_NAME), %object
.size VDSO_BLOB_START(VDSO_NAME), 0
VDSO_BLOB_START(VDSO_NAME):
.incbin __XSTRING(VDSO_FILE)
.globl VDSO_BLOB_END(VDSO_NAME)
.type VDSO_BLOB_END(VDSO_NAME), %object
.size VDSO_BLOB_END(VDSO_NAME), 0
VDSO_BLOB_END(VDSO_NAME):
.globl VDSO_BLOB_SIZE(VDSO_NAME)
.set VDSO_BLOB_SIZE(VDSO_NAME), . - VDSO_BLOB_START(VDSO_NAME)