cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
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ptrace.h (1458B)


      1/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
      2/*
      3 * Ptrace definitions for the Hexagon architecture
      4 *
      5 * Copyright (c) 2010-2011, The Linux Foundation. All rights reserved.
      6 *
      7 * This program is free software; you can redistribute it and/or modify
      8 * it under the terms of the GNU General Public License version 2 and
      9 * only version 2 as published by the Free Software Foundation.
     10 *
     11 * This program is distributed in the hope that it will be useful,
     12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
     13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
     14 * GNU General Public License for more details.
     15 *
     16 * You should have received a copy of the GNU General Public License
     17 * along with this program; if not, write to the Free Software
     18 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
     19 * 02110-1301, USA.
     20 */
     21
     22#ifndef _ASM_PTRACE_H
     23#define _ASM_PTRACE_H
     24
     25#include <asm/registers.h>
     26
     27#define instruction_pointer(regs) pt_elr(regs)
     28#define user_stack_pointer(regs) ((regs)->r29)
     29
     30#define profile_pc(regs) instruction_pointer(regs)
     31
     32/* kprobe-based event tracer support */
     33extern int regs_query_register_offset(const char *name);
     34extern const char *regs_query_register_name(unsigned int offset);
     35
     36#define current_pt_regs() \
     37	((struct pt_regs *) \
     38	 ((unsigned long)current_thread_info() + THREAD_SIZE) - 1)
     39
     40#if CONFIG_HEXAGON_ARCH_VERSION >= 4
     41#define arch_has_single_step()	(1)
     42#endif
     43
     44
     45#endif