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