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f7caa6fb74
Add the NT_ARM_SVE note type and use it to access the SVE registers from ptrace. This allows userspace to modify the full SVE register values. Try to follow the Linux semantics to allow debuggers to use this with minimal changes. Sponsored by: Arm Ltd Differential Revision: https://reviews.freebsd.org/D43309 (cherry picked from commit aab60068943d733b0b4573e5481c543ab3d45a00)
110 lines
2.7 KiB
C
110 lines
2.7 KiB
C
/*-
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* Copyright (c) 2014 Andrew Turner
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* Copyright (c) 2014-2015 The FreeBSD Foundation
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* All rights reserved.
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*
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* This software was developed by Andrew Turner under
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* sponsorship from the FreeBSD Foundation.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#ifdef __arm__
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#include <arm/reg.h>
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#else /* !__arm__ */
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#ifndef _MACHINE_REG_H_
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#define _MACHINE_REG_H_
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#include <sys/_types.h>
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struct reg {
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__uint64_t x[30];
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__uint64_t lr;
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__uint64_t sp;
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__uint64_t elr;
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__uint64_t spsr;
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};
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struct reg32 {
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unsigned int r[13];
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unsigned int r_sp;
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unsigned int r_lr;
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unsigned int r_pc;
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unsigned int r_cpsr;
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};
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struct fpreg {
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__uint128_t fp_q[32];
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__uint32_t fp_sr;
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__uint32_t fp_cr;
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};
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struct fpreg32 {
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int dummy;
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};
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#define SVEREG_FLAG_REGS_MASK 0x0001
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#define SVEREG_FLAG_FP 0x0000
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#define SVEREG_FLAG_SVE 0x0001
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struct svereg_header {
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__uint32_t sve_size;
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__uint32_t sve_maxsize;
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__uint16_t sve_vec_len;
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__uint16_t sve_max_vec_len;
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__uint16_t sve_flags;
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__uint16_t sve_reserved;
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};
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struct dbreg {
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__uint8_t db_debug_ver;
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__uint8_t db_nbkpts;
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__uint8_t db_nwtpts;
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__uint8_t db_pad[5];
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struct {
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__uint64_t dbr_addr;
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__uint32_t dbr_ctrl;
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__uint32_t dbr_pad;
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} db_breakregs[16];
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struct {
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__uint64_t dbw_addr;
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__uint32_t dbw_ctrl;
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__uint32_t dbw_pad;
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} db_watchregs[16];
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};
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struct dbreg32 {
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int dummy;
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};
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struct arm64_addr_mask {
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__uint64_t code;
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__uint64_t data;
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};
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#define __HAVE_REG32
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#endif /* !_MACHINE_REG_H_ */
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#endif /* !__arm__ */
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