freebsd-dev/sys/arm64/linux/linux_sigframe.h
Dmitry Chagin 390c9ea029 linux(4): Add AT_MINSIGSTKSZ to arm64 port
MFC after:	2 weeks
2022-05-15 21:12:03 +03:00

87 lines
2.5 KiB
C

/*-
* Copyright (c) 1994-1996 Søren Schmidt
* Copyright (c) 2018 Turing Robotic Industries Inc.
* Copyright (c) 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.
*
* $FreeBSD$
*/
#ifndef _ARM64_LINUX_SIGFRAME_H_
#define _ARM64_LINUX_SIGFRAME_H_
struct _l_aarch64_ctx {
uint32_t magic;
uint32_t size;
};
#define L_FPSIMD_MAGIC 0x46508001
#define L_ESR_MAGIC 0x45535201
struct l_fpsimd_context {
struct _l_aarch64_ctx head;
uint32_t fpsr;
uint32_t fpcr;
__uint128_t vregs[32];
};
struct l_esr_context {
struct _l_aarch64_ctx head;
uint64_t esr;
};
struct l_sigcontext {
uint64_t fault_address;
uint64_t regs[31];
uint64_t sp;
uint64_t pc;
uint64_t pstate;
uint8_t __reserved[4096] __attribute__((__aligned__(16)));
};
struct l_ucontext {
unsigned long uc_flags;
struct l_ucontext *uc_link;
l_stack_t uc_stack;
l_sigset_t uc_sigmask;
uint8_t __glibc_hole[1024 / 8 - sizeof(l_sigset_t)];
struct l_sigcontext uc_sc;
};
struct l_rt_sigframe {
l_siginfo_t sf_si;
struct l_ucontext sf_uc;
} __attribute__((__aligned__(16)));
struct l_sigframe {
struct l_rt_sigframe sf;
/* frame_record */
uint64_t fp;
uint64_t lr;
ucontext_t uc;
};
#define LINUX_MINSIGSTKSZ roundup(sizeof(struct l_sigframe), 16)
#endif /* _ARM64_LINUX_SIGFRAME_H_ */