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

 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