/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
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/*
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* Ptrace definitions for the Hexagon architecture
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*
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* Copyright (c) 2010-2011, The Linux Foundation. All rights reserved.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 and
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* only version 2 as published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
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* 02110-1301, USA.
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*/
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#ifndef _ASM_PTRACE_H
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#define _ASM_PTRACE_H
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#include <asm/registers.h>
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#define instruction_pointer(regs) pt_elr(regs)
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#define user_stack_pointer(regs) ((regs)->r29)
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#define profile_pc(regs) instruction_pointer(regs)
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/* kprobe-based event tracer support */
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extern int regs_query_register_offset(const char *name);
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extern const char *regs_query_register_name(unsigned int offset);
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#define current_pt_regs() \
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((struct pt_regs *) \
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((unsigned long)current_thread_info() + THREAD_SIZE) - 1)
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#if CONFIG_HEXAGON_ARCH_VERSION >= 4
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#define arch_has_single_step() (1)
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#endif
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#endif
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