/*-
* SPDX-License-Identifier: BSD-2-Clause
*
* Copyright (c) 2015-2022 Dmitry Chagin <dchagin@freeBSD.org>
*
* 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 "linux_assym.h" /* system definitions */
#include <machine/asmacros.h> /* miscellaneous asm macros */
#include <amd64/linux/linux_syscall.h> /* system call numbers */
.data
.globl linux_platform
linux_platform:
.asciz "x86_64"
.text
ENTRY(linux_rt_sigcode)
.cfi_startproc
.cfi_signal_frame
.cfi_def_cfa %rsp, LINUX_RT_SIGF_SC
.cfi_offset %r8, L_SC_R8
.cfi_offset %r9, L_SC_R9
.cfi_offset %r10, L_SC_R10
.cfi_offset %r11, L_SC_R11
.cfi_offset %r12, L_SC_R12
.cfi_offset %r13, L_SC_R13
.cfi_offset %r14, L_SC_R14
.cfi_offset %r15, L_SC_R15
.cfi_offset %rdi, L_SC_RDI
.cfi_offset %rsi, L_SC_RSI
.cfi_offset %rbp, L_SC_RBP
.cfi_offset %rbx, L_SC_RBX
.cfi_offset %rdx, L_SC_RDX
.cfi_offset %rax, L_SC_RAX
.cfi_offset %rcx, L_SC_RCX
.cfi_offset %rip, L_SC_RIP
.cfi_offset %rsp, L_SC_RSP
movq %rsp, %rbx /* rt_sigframe for rt_sigreturn */
call *%rcx /* call signal handler */
movq $LINUX_SYS_linux_rt_sigreturn, %rax
syscall
0: hlt
jmp 0b
.cfi_endproc
END(linux_rt_sigcode)
#if 0
.section .note.Linux, "a",@note
.long 2f - 1f /* namesz */
.balign 4
.long 4f - 3f /* descsz */
.long 0
1:
.asciz "Linux"
2:
.balign 4
3:
.long LINUX_VERSION_CODE
4:
.balign 4
.previous
#endif
plain