Greg Kroah-Hartman | e2be04c | 2017-11-01 15:09:13 +0100 | [diff] [blame] | 1 | /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ |
Richard Kuo | 39e89c9 | 2011-10-31 18:43:44 -0500 | [diff] [blame] | 2 | /* |
| 3 | * Ptrace definitions for the Hexagon architecture |
| 4 | * |
Richard Kuo | e1858b2 | 2012-09-19 16:22:02 -0500 | [diff] [blame] | 5 | * Copyright (c) 2010-2011, The Linux Foundation. All rights reserved. |
Richard Kuo | 39e89c9 | 2011-10-31 18:43:44 -0500 | [diff] [blame] | 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 */ |
| 33 | extern int regs_query_register_offset(const char *name); |
| 34 | extern const char *regs_query_register_name(unsigned int offset); |
| 35 | |
Al Viro | 9952185 | 2012-10-18 22:45:24 -0400 | [diff] [blame] | 36 | #define current_pt_regs() \ |
| 37 | ((struct pt_regs *) \ |
| 38 | ((unsigned long)current_thread_info() + THREAD_SIZE) - 1) |
| 39 | |
Richard Kuo | 7777746 | 2013-03-07 12:03:10 -0600 | [diff] [blame] | 40 | #if CONFIG_HEXAGON_ARCH_VERSION >= 4 |
| 41 | #define arch_has_single_step() (1) |
| 42 | #endif |
| 43 | |
| 44 | |
Richard Kuo | 39e89c9 | 2011-10-31 18:43:44 -0500 | [diff] [blame] | 45 | #endif |