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/*-
* Copyright (c) 2014 Andrew Turner
* Copyright (c) 2014-2015 The FreeBSD Foundation
* All rights reserved.
*
* This software was developed by Andrew Turner 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.
*/
#ifdef __arm__
#include <arm/ucontext.h>
#else /* !__arm__ */
#ifndef _MACHINE_UCONTEXT_H_
#define _MACHINE_UCONTEXT_H_
struct gpregs {
__register_t gp_x[30];
__register_t gp_lr;
__register_t gp_sp;
__register_t gp_elr;
__uint64_t gp_spsr;
};
struct fpregs {
__uint128_t fp_q[32];
__uint32_t fp_sr;
__uint32_t fp_cr;
int fp_flags;
int fp_pad;
};
/*
* Support for registers that don't fit into gpregs or fpregs, e.g. SVE.
* There are some registers that have been added so are optional. To support
* these create an array of headers that point at the register data.
*/
struct arm64_reg_context {
__uint32_t ctx_id;
__uint32_t ctx_size;
};
#define ARM64_CTX_END 0xa5a5a5a5
#define ARM64_CTX_SVE 0x00657673
struct sve_context {
struct arm64_reg_context sve_ctx;
__uint16_t sve_vector_len;
__uint16_t sve_flags;
__uint16_t sve_reserved[2];
};
struct __mcontext {
struct gpregs mc_gpregs;
struct fpregs mc_fpregs;
int mc_flags;
#define _MC_FP_VALID 0x1 /* Set when mc_fpregs has valid data */
int mc_pad; /* Padding */
__uint64_t mc_ptr; /* Address of extra_regs struct */
__uint64_t mc_spare[7]; /* Space for expansion, set to zero */
};
typedef struct __mcontext mcontext_t;
#ifdef COMPAT_FREEBSD32
#include <compat/freebsd32/freebsd32_signal.h>
typedef struct __mcontext32 {
uint32_t mc_gregset[17];
uint32_t mc_vfp_size;
uint32_t mc_vfp_ptr;
uint32_t mc_spare[33];
} mcontext32_t;
typedef struct __ucontext32 {
sigset_t uc_sigmask;
mcontext32_t uc_mcontext;
u_int32_t uc_link;
struct sigaltstack32 uc_stack;
u_int32_t uc_flags;
u_int32_t __spare__[4];
} ucontext32_t;
typedef struct __mcontext32_vfp {
__uint64_t mcv_reg[32];
__uint32_t mcv_fpscr;
} mcontext32_vfp_t;
#endif /* COMPAT_FREEBSD32 */
#endif /* !_MACHINE_UCONTEXT_H_ */
#endif /* !__arm__ */
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