gdb/nat/aarch64-sve-linux-sigcontext.h - binutils-gdb - Git at Google

 /* Copyright (C) 2018-2021 Free Software Foundation, Inc.
    Contributed by Arm Ltd.

    This file is part of GDB.

    This program is free software; you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
    the Free Software Foundation; either version 3 of the License, or
    (at your option) any later version.

    This program is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU General Public License for more details.

    You should have received a copy of the GNU General Public License
    along with this program.  If not, see <http://www.gnu.org/licenses/>.  */

 #ifndef NAT_AARCH64_SVE_LINUX_SIGCONTEXT_H
 #define NAT_AARCH64_SVE_LINUX_SIGCONTEXT_H

 #define SVE_MAGIC	0x53564501

 struct sve_context {
 	struct _aarch64_ctx head;
 	__u16 vl;
 	__u16 __reserved[3];
 };

 /*
  * The SVE architecture leaves space for future expansion of the
  * vector length beyond its initial architectural limit of 2048 bits
  * (16 quadwords).
  *
  * See linux/Documentation/arm64/sve.txt for a description of the VL/VQ
  * terminology.
  */
 #define SVE_VQ_BYTES		16	/* number of bytes per quadword */

 #define SVE_VQ_MIN		1
 #define SVE_VQ_MAX		512

 #define SVE_VL_MIN		(SVE_VQ_MIN * SVE_VQ_BYTES)
 #define SVE_VL_MAX		(SVE_VQ_MAX * SVE_VQ_BYTES)

 #define SVE_NUM_ZREGS		32
 #define SVE_NUM_PREGS		16

 #define sve_vl_valid(vl) \
 	((vl) % SVE_VQ_BYTES == 0 && (vl) >= SVE_VL_MIN && (vl) <= SVE_VL_MAX)

 /*
  * If the SVE registers are currently live for the thread at signal delivery,
  * sve_context.head.size >=
  *	SVE_SIG_CONTEXT_SIZE(sve_vq_from_vl(sve_context.vl))
  * and the register data may be accessed using the SVE_SIG_*() macros.
  *
  * If sve_context.head.size <
  *	SVE_SIG_CONTEXT_SIZE(sve_vq_from_vl(sve_context.vl)),
  * the SVE registers were not live for the thread and no register data
  * is included: in this case, the SVE_SIG_*() macros should not be
  * used except for this check.
  *
  * The same convention applies when returning from a signal: a caller
  * will need to remove or resize the sve_context block if it wants to
  * make the SVE registers live when they were previously non-live or
  * vice-versa.  This may require the caller to allocate fresh
  * memory and/or move other context blocks in the signal frame.
  *
  * Changing the vector length during signal return is not permitted:
  * sve_context.vl must equal the thread's current vector length when
  * doing a sigreturn.
  *
  *
  * Note: for all these macros, the "vq" argument denotes the SVE
  * vector length in quadwords (i.e., units of 128 bits).
  *
  * The correct way to obtain vq is to use sve_vq_from_vl(vl).  The
  * result is valid if and only if sve_vl_valid(vl) is true.  This is
  * guaranteed for a struct sve_context written by the kernel.
  *
  *
  * Additional macros describe the contents and layout of the payload.
  * For each, SVE_SIG_x_OFFSET(args) is the start offset relative to
  * the start of struct sve_context, and SVE_SIG_x_SIZE(args) is the
  * size in bytes:
  *
  *	x	type				description
  *	-	----				-----------
  *	REGS					the entire SVE context
  *
  *	ZREGS	__uint128_t[SVE_NUM_ZREGS][vq]	all Z-registers
  *	ZREG	__uint128_t[vq]			individual Z-register Zn
  *
  *	PREGS	uint16_t[SVE_NUM_PREGS][vq]	all P-registers
  *	PREG	uint16_t[vq]			individual P-register Pn
  *
  *	FFR	uint16_t[vq]			first-fault status register
  *
  * Additional data might be appended in the future.
  */

 #define SVE_SIG_ZREG_SIZE(vq)	((__u32)(vq) * SVE_VQ_BYTES)
 #define SVE_SIG_PREG_SIZE(vq)	((__u32)(vq) * (SVE_VQ_BYTES / 8))
 #define SVE_SIG_FFR_SIZE(vq)	SVE_SIG_PREG_SIZE(vq)

 #define SVE_SIG_REGS_OFFSET					\
 	((sizeof(struct sve_context) + (SVE_VQ_BYTES - 1))	\
 		/ SVE_VQ_BYTES * SVE_VQ_BYTES)

 #define SVE_SIG_ZREGS_OFFSET	SVE_SIG_REGS_OFFSET
 #define SVE_SIG_ZREG_OFFSET(vq, n) \
 	(SVE_SIG_ZREGS_OFFSET + SVE_SIG_ZREG_SIZE(vq) * (n))
 #define SVE_SIG_ZREGS_SIZE(vq) \
 	(SVE_SIG_ZREG_OFFSET(vq, SVE_NUM_ZREGS) - SVE_SIG_ZREGS_OFFSET)

 #define SVE_SIG_PREGS_OFFSET(vq) \
 	(SVE_SIG_ZREGS_OFFSET + SVE_SIG_ZREGS_SIZE(vq))
 #define SVE_SIG_PREG_OFFSET(vq, n) \
 	(SVE_SIG_PREGS_OFFSET(vq) + SVE_SIG_PREG_SIZE(vq) * (n))
 #define SVE_SIG_PREGS_SIZE(vq) \
 	(SVE_SIG_PREG_OFFSET(vq, SVE_NUM_PREGS) - SVE_SIG_PREGS_OFFSET(vq))

 #define SVE_SIG_FFR_OFFSET(vq) \
 	(SVE_SIG_PREGS_OFFSET(vq) + SVE_SIG_PREGS_SIZE(vq))

 #define SVE_SIG_REGS_SIZE(vq) \
 	(SVE_SIG_FFR_OFFSET(vq) + SVE_SIG_FFR_SIZE(vq) - SVE_SIG_REGS_OFFSET)

 #define SVE_SIG_CONTEXT_SIZE(vq) (SVE_SIG_REGS_OFFSET + SVE_SIG_REGS_SIZE(vq))

 /* SVE/FP/SIMD state (NT_ARM_SVE) */

 struct user_sve_header {
 	__u32 size; /* total meaningful regset content in bytes */
 	__u32 max_size; /* maximum possible size for this thread */
 	__u16 vl; /* current vector length */
 	__u16 max_vl; /* maximum possible vector length */
 	__u16 flags;
 	__u16 __reserved;
 };

 /* Definitions for user_sve_header.flags: */
 #define SVE_PT_REGS_MASK		(1 << 0)

 #define SVE_PT_REGS_FPSIMD		0
 #define SVE_PT_REGS_SVE			SVE_PT_REGS_MASK

 /*
  * Common SVE_PT_* flags:
  * These must be kept in sync with prctl interface in <linux/ptrace.h>
  */
 #define SVE_PT_VL_INHERIT		(PR_SVE_VL_INHERIT >> 16)
 #define SVE_PT_VL_ONEXEC		(PR_SVE_SET_VL_ONEXEC >> 16)


 /*
  * The remainder of the SVE state follows struct user_sve_header.  The
  * total size of the SVE state (including header) depends on the
  * metadata in the header:  SVE_PT_SIZE(vq, flags) gives the total size
  * of the state in bytes, including the header.
  *
  * Refer to <asm/sigcontext.h> for details of how to pass the correct
  * "vq" argument to these macros.
  */

 /* Offset from the start of struct user_sve_header to the register data */
 #define SVE_PT_REGS_OFFSET					\
 	((sizeof(struct user_sve_header) + (SVE_VQ_BYTES - 1))	\
 		/ SVE_VQ_BYTES * SVE_VQ_BYTES)

 /*
  * The register data content and layout depends on the value of the
  * flags field.
  */

 /*
  * (flags & SVE_PT_REGS_MASK) == SVE_PT_REGS_FPSIMD case:
  *
  * The payload starts at offset SVE_PT_FPSIMD_OFFSET, and is of type
  * struct user_fpsimd_state.  Additional data might be appended in the
  * future: use SVE_PT_FPSIMD_SIZE(vq, flags) to compute the total size.
  * SVE_PT_FPSIMD_SIZE(vq, flags) will never be less than
  * sizeof(struct user_fpsimd_state).
  */

 #define SVE_PT_FPSIMD_OFFSET		SVE_PT_REGS_OFFSET

 #define SVE_PT_FPSIMD_SIZE(vq, flags)	(sizeof(struct user_fpsimd_state))

 /*
  * (flags & SVE_PT_REGS_MASK) == SVE_PT_REGS_SVE case:
  *
  * The payload starts at offset SVE_PT_SVE_OFFSET, and is of size
  * SVE_PT_SVE_SIZE(vq, flags).
  *
  * Additional macros describe the contents and layout of the payload.
  * For each, SVE_PT_SVE_x_OFFSET(args) is the start offset relative to
  * the start of struct user_sve_header, and SVE_PT_SVE_x_SIZE(args) is
  * the size in bytes:
  *
  *	x	type				description
  *	-	----				-----------
  *	ZREGS		\
  *	ZREG		|
  *	PREGS		| refer to <asm/sigcontext.h>
  *	PREG		|
  *	FFR		/
  *
  *	FPSR	uint32_t			FPSR
  *	FPCR	uint32_t			FPCR
  *
  * Additional data might be appended in the future.
  */

 #define SVE_PT_SVE_ZREG_SIZE(vq)	SVE_SIG_ZREG_SIZE(vq)
 #define SVE_PT_SVE_PREG_SIZE(vq)	SVE_SIG_PREG_SIZE(vq)
 #define SVE_PT_SVE_FFR_SIZE(vq)		SVE_SIG_FFR_SIZE(vq)
 #define SVE_PT_SVE_FPSR_SIZE		sizeof(__u32)
 #define SVE_PT_SVE_FPCR_SIZE		sizeof(__u32)

 #define __SVE_SIG_TO_PT(offset) \
 	((offset) - SVE_SIG_REGS_OFFSET + SVE_PT_REGS_OFFSET)

 #define SVE_PT_SVE_OFFSET		SVE_PT_REGS_OFFSET

 #define SVE_PT_SVE_ZREGS_OFFSET \
 	__SVE_SIG_TO_PT(SVE_SIG_ZREGS_OFFSET)
 #define SVE_PT_SVE_ZREG_OFFSET(vq, n) \
 	__SVE_SIG_TO_PT(SVE_SIG_ZREG_OFFSET(vq, n))
 #define SVE_PT_SVE_ZREGS_SIZE(vq) \
 	(SVE_PT_SVE_ZREG_OFFSET(vq, SVE_NUM_ZREGS) - SVE_PT_SVE_ZREGS_OFFSET)

 #define SVE_PT_SVE_PREGS_OFFSET(vq) \
 	__SVE_SIG_TO_PT(SVE_SIG_PREGS_OFFSET(vq))
 #define SVE_PT_SVE_PREG_OFFSET(vq, n) \
 	__SVE_SIG_TO_PT(SVE_SIG_PREG_OFFSET(vq, n))
 #define SVE_PT_SVE_PREGS_SIZE(vq) \
 	(SVE_PT_SVE_PREG_OFFSET(vq, SVE_NUM_PREGS) - \
 		SVE_PT_SVE_PREGS_OFFSET(vq))

 #define SVE_PT_SVE_FFR_OFFSET(vq) \
 	__SVE_SIG_TO_PT(SVE_SIG_FFR_OFFSET(vq))

 #define SVE_PT_SVE_FPSR_OFFSET(vq)				\
 	((SVE_PT_SVE_FFR_OFFSET(vq) + SVE_PT_SVE_FFR_SIZE(vq) +	\
 			(SVE_VQ_BYTES - 1))			\
 		/ SVE_VQ_BYTES * SVE_VQ_BYTES)
 #define SVE_PT_SVE_FPCR_OFFSET(vq) \
 	(SVE_PT_SVE_FPSR_OFFSET(vq) + SVE_PT_SVE_FPSR_SIZE)

 /*
  * Any future extension appended after FPCR must be aligned to the next
  * 128-bit boundary.
  */

 #define SVE_PT_SVE_SIZE(vq, flags)					\
 	((SVE_PT_SVE_FPCR_OFFSET(vq) + SVE_PT_SVE_FPCR_SIZE		\
 			- SVE_PT_SVE_OFFSET + (SVE_VQ_BYTES - 1))	\
 		/ SVE_VQ_BYTES * SVE_VQ_BYTES)

 #define SVE_PT_SIZE(vq, flags)						\
 	 (((flags) & SVE_PT_REGS_MASK) == SVE_PT_REGS_SVE ?		\
 		  SVE_PT_SVE_OFFSET + SVE_PT_SVE_SIZE(vq, flags)	\
 		: SVE_PT_FPSIMD_OFFSET + SVE_PT_FPSIMD_SIZE(vq, flags))

 #endif /* NAT_AARCH64_SVE_LINUX_SIGCONTEXT_H */
	/* Copyright (C) 2018-2021 Free Software Foundation, Inc.
	Contributed by Arm Ltd.

	This file is part of GDB.

	This program is free software; you can redistribute it and/or modify
	it under the terms of the GNU General Public License as published by
	the Free Software Foundation; either version 3 of the License, or
	(at your option) any later version.

	This program is distributed in the hope that it will be useful,
	but WITHOUT ANY WARRANTY; without even the implied warranty of
	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	GNU General Public License for more details.

	You should have received a copy of the GNU General Public License
	along with this program. If not, see <http://www.gnu.org/licenses/>. */

	#ifndef NAT_AARCH64_SVE_LINUX_SIGCONTEXT_H
	#define NAT_AARCH64_SVE_LINUX_SIGCONTEXT_H

	#define SVE_MAGIC 0x53564501

	struct sve_context {
	struct _aarch64_ctx head;
	__u16 vl;
	__u16 __reserved[3];
	};

	/*
	* The SVE architecture leaves space for future expansion of the
	* vector length beyond its initial architectural limit of 2048 bits
	* (16 quadwords).
	*
	* See linux/Documentation/arm64/sve.txt for a description of the VL/VQ
	* terminology.
	*/
	#define SVE_VQ_BYTES 16 /* number of bytes per quadword */

	#define SVE_VQ_MIN 1
	#define SVE_VQ_MAX 512

	#define SVE_VL_MIN (SVE_VQ_MIN * SVE_VQ_BYTES)
	#define SVE_VL_MAX (SVE_VQ_MAX * SVE_VQ_BYTES)

	#define SVE_NUM_ZREGS 32
	#define SVE_NUM_PREGS 16

	#define sve_vl_valid(vl) \
	((vl) % SVE_VQ_BYTES == 0 && (vl) >= SVE_VL_MIN && (vl) <= SVE_VL_MAX)

	/*
	* If the SVE registers are currently live for the thread at signal delivery,
	* sve_context.head.size >=
	* SVE_SIG_CONTEXT_SIZE(sve_vq_from_vl(sve_context.vl))
	* and the register data may be accessed using the SVE_SIG_*() macros.
	*
	* If sve_context.head.size <
	* SVE_SIG_CONTEXT_SIZE(sve_vq_from_vl(sve_context.vl)),
	* the SVE registers were not live for the thread and no register data
	* is included: in this case, the SVE_SIG_*() macros should not be
	* used except for this check.
	*
	* The same convention applies when returning from a signal: a caller
	* will need to remove or resize the sve_context block if it wants to
	* make the SVE registers live when they were previously non-live or
	* vice-versa. This may require the caller to allocate fresh
	* memory and/or move other context blocks in the signal frame.
	*
	* Changing the vector length during signal return is not permitted:
	* sve_context.vl must equal the thread's current vector length when
	* doing a sigreturn.
	*
	*
	* Note: for all these macros, the "vq" argument denotes the SVE
	* vector length in quadwords (i.e., units of 128 bits).
	*
	* The correct way to obtain vq is to use sve_vq_from_vl(vl). The
	* result is valid if and only if sve_vl_valid(vl) is true. This is
	* guaranteed for a struct sve_context written by the kernel.
	*
	*
	* Additional macros describe the contents and layout of the payload.
	* For each, SVE_SIG_x_OFFSET(args) is the start offset relative to
	* the start of struct sve_context, and SVE_SIG_x_SIZE(args) is the
	* size in bytes:
	*
	* x type description
	* - ---- -----------
	* REGS the entire SVE context
	*
	* ZREGS __uint128_t[SVE_NUM_ZREGS][vq] all Z-registers
	* ZREG __uint128_t[vq] individual Z-register Zn
	*
	* PREGS uint16_t[SVE_NUM_PREGS][vq] all P-registers
	* PREG uint16_t[vq] individual P-register Pn
	*
	* FFR uint16_t[vq] first-fault status register
	*
	* Additional data might be appended in the future.
	*/

	#define SVE_SIG_ZREG_SIZE(vq) ((__u32)(vq) * SVE_VQ_BYTES)
	#define SVE_SIG_PREG_SIZE(vq) ((__u32)(vq) * (SVE_VQ_BYTES / 8))
	#define SVE_SIG_FFR_SIZE(vq) SVE_SIG_PREG_SIZE(vq)

	#define SVE_SIG_REGS_OFFSET \
	((sizeof(struct sve_context) + (SVE_VQ_BYTES - 1)) \
	/ SVE_VQ_BYTES * SVE_VQ_BYTES)

	#define SVE_SIG_ZREGS_OFFSET SVE_SIG_REGS_OFFSET
	#define SVE_SIG_ZREG_OFFSET(vq, n) \
	(SVE_SIG_ZREGS_OFFSET + SVE_SIG_ZREG_SIZE(vq) * (n))
	#define SVE_SIG_ZREGS_SIZE(vq) \
	(SVE_SIG_ZREG_OFFSET(vq, SVE_NUM_ZREGS) - SVE_SIG_ZREGS_OFFSET)

	#define SVE_SIG_PREGS_OFFSET(vq) \
	(SVE_SIG_ZREGS_OFFSET + SVE_SIG_ZREGS_SIZE(vq))
	#define SVE_SIG_PREG_OFFSET(vq, n) \
	(SVE_SIG_PREGS_OFFSET(vq) + SVE_SIG_PREG_SIZE(vq) * (n))
	#define SVE_SIG_PREGS_SIZE(vq) \
	(SVE_SIG_PREG_OFFSET(vq, SVE_NUM_PREGS) - SVE_SIG_PREGS_OFFSET(vq))

	#define SVE_SIG_FFR_OFFSET(vq) \
	(SVE_SIG_PREGS_OFFSET(vq) + SVE_SIG_PREGS_SIZE(vq))

	#define SVE_SIG_REGS_SIZE(vq) \
	(SVE_SIG_FFR_OFFSET(vq) + SVE_SIG_FFR_SIZE(vq) - SVE_SIG_REGS_OFFSET)

	#define SVE_SIG_CONTEXT_SIZE(vq) (SVE_SIG_REGS_OFFSET + SVE_SIG_REGS_SIZE(vq))

	/* SVE/FP/SIMD state (NT_ARM_SVE) */

	struct user_sve_header {
	__u32 size; /* total meaningful regset content in bytes */
	__u32 max_size; /* maximum possible size for this thread */
	__u16 vl; /* current vector length */
	__u16 max_vl; /* maximum possible vector length */
	__u16 flags;
	__u16 __reserved;
	};

	/* Definitions for user_sve_header.flags: */
	#define SVE_PT_REGS_MASK (1 << 0)

	#define SVE_PT_REGS_FPSIMD 0
	#define SVE_PT_REGS_SVE SVE_PT_REGS_MASK

	/*
	* Common SVE_PT_* flags:
	* These must be kept in sync with prctl interface in <linux/ptrace.h>
	*/
	#define SVE_PT_VL_INHERIT (PR_SVE_VL_INHERIT >> 16)
	#define SVE_PT_VL_ONEXEC (PR_SVE_SET_VL_ONEXEC >> 16)


	/*
	* The remainder of the SVE state follows struct user_sve_header. The
	* total size of the SVE state (including header) depends on the
	* metadata in the header: SVE_PT_SIZE(vq, flags) gives the total size
	* of the state in bytes, including the header.
	*
	* Refer to <asm/sigcontext.h> for details of how to pass the correct
	* "vq" argument to these macros.
	*/

	/* Offset from the start of struct user_sve_header to the register data */
	#define SVE_PT_REGS_OFFSET \
	((sizeof(struct user_sve_header) + (SVE_VQ_BYTES - 1)) \
	/ SVE_VQ_BYTES * SVE_VQ_BYTES)

	/*
	* The register data content and layout depends on the value of the
	* flags field.
	*/

	/*
	* (flags & SVE_PT_REGS_MASK) == SVE_PT_REGS_FPSIMD case:
	*
	* The payload starts at offset SVE_PT_FPSIMD_OFFSET, and is of type
	* struct user_fpsimd_state. Additional data might be appended in the
	* future: use SVE_PT_FPSIMD_SIZE(vq, flags) to compute the total size.
	* SVE_PT_FPSIMD_SIZE(vq, flags) will never be less than
	* sizeof(struct user_fpsimd_state).
	*/

	#define SVE_PT_FPSIMD_OFFSET SVE_PT_REGS_OFFSET

	#define SVE_PT_FPSIMD_SIZE(vq, flags) (sizeof(struct user_fpsimd_state))

	/*
	* (flags & SVE_PT_REGS_MASK) == SVE_PT_REGS_SVE case:
	*
	* The payload starts at offset SVE_PT_SVE_OFFSET, and is of size
	* SVE_PT_SVE_SIZE(vq, flags).
	*
	* Additional macros describe the contents and layout of the payload.
	* For each, SVE_PT_SVE_x_OFFSET(args) is the start offset relative to
	* the start of struct user_sve_header, and SVE_PT_SVE_x_SIZE(args) is
	* the size in bytes:
	*
	* x type description
	* - ---- -----------
	* ZREGS \
	* ZREG \|
	* PREGS \| refer to <asm/sigcontext.h>
	* PREG \|
	* FFR /
	*
	* FPSR uint32_t FPSR
	* FPCR uint32_t FPCR
	*
	* Additional data might be appended in the future.
	*/

	#define SVE_PT_SVE_ZREG_SIZE(vq) SVE_SIG_ZREG_SIZE(vq)
	#define SVE_PT_SVE_PREG_SIZE(vq) SVE_SIG_PREG_SIZE(vq)
	#define SVE_PT_SVE_FFR_SIZE(vq) SVE_SIG_FFR_SIZE(vq)
	#define SVE_PT_SVE_FPSR_SIZE sizeof(__u32)
	#define SVE_PT_SVE_FPCR_SIZE sizeof(__u32)

	#define __SVE_SIG_TO_PT(offset) \
	((offset) - SVE_SIG_REGS_OFFSET + SVE_PT_REGS_OFFSET)

	#define SVE_PT_SVE_OFFSET SVE_PT_REGS_OFFSET

	#define SVE_PT_SVE_ZREGS_OFFSET \
	__SVE_SIG_TO_PT(SVE_SIG_ZREGS_OFFSET)
	#define SVE_PT_SVE_ZREG_OFFSET(vq, n) \
	__SVE_SIG_TO_PT(SVE_SIG_ZREG_OFFSET(vq, n))
	#define SVE_PT_SVE_ZREGS_SIZE(vq) \
	(SVE_PT_SVE_ZREG_OFFSET(vq, SVE_NUM_ZREGS) - SVE_PT_SVE_ZREGS_OFFSET)

	#define SVE_PT_SVE_PREGS_OFFSET(vq) \
	__SVE_SIG_TO_PT(SVE_SIG_PREGS_OFFSET(vq))
	#define SVE_PT_SVE_PREG_OFFSET(vq, n) \
	__SVE_SIG_TO_PT(SVE_SIG_PREG_OFFSET(vq, n))
	#define SVE_PT_SVE_PREGS_SIZE(vq) \
	(SVE_PT_SVE_PREG_OFFSET(vq, SVE_NUM_PREGS) - \
	SVE_PT_SVE_PREGS_OFFSET(vq))

	#define SVE_PT_SVE_FFR_OFFSET(vq) \
	__SVE_SIG_TO_PT(SVE_SIG_FFR_OFFSET(vq))

	#define SVE_PT_SVE_FPSR_OFFSET(vq) \
	((SVE_PT_SVE_FFR_OFFSET(vq) + SVE_PT_SVE_FFR_SIZE(vq) + \
	(SVE_VQ_BYTES - 1)) \
	/ SVE_VQ_BYTES * SVE_VQ_BYTES)
	#define SVE_PT_SVE_FPCR_OFFSET(vq) \
	(SVE_PT_SVE_FPSR_OFFSET(vq) + SVE_PT_SVE_FPSR_SIZE)

	/*
	* Any future extension appended after FPCR must be aligned to the next
	* 128-bit boundary.
	*/

	#define SVE_PT_SVE_SIZE(vq, flags) \
	((SVE_PT_SVE_FPCR_OFFSET(vq) + SVE_PT_SVE_FPCR_SIZE \
	- SVE_PT_SVE_OFFSET + (SVE_VQ_BYTES - 1)) \
	/ SVE_VQ_BYTES * SVE_VQ_BYTES)

	#define SVE_PT_SIZE(vq, flags) \
	(((flags) & SVE_PT_REGS_MASK) == SVE_PT_REGS_SVE ? \
	SVE_PT_SVE_OFFSET + SVE_PT_SVE_SIZE(vq, flags) \
	: SVE_PT_FPSIMD_OFFSET + SVE_PT_FPSIMD_SIZE(vq, flags))

	#endif /* NAT_AARCH64_SVE_LINUX_SIGCONTEXT_H */