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TOMOYO Linux Cross Reference
Linux/arch/hexagon/include/uapi/asm/ptrace.h

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  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 */
 33 extern int regs_query_register_offset(const char *name);
 34 extern 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
 46 

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