arch/nios2/include/asm/ptrace.h

   1 /*
   2  * Copyright (C) 2013 Altera Corporation
   3  * Copyright (C) 2010 Tobias Klauser <tklauser@distanz.ch>
   4  * Copyright (C) 2004 Microtronix Datacom Ltd
   5  *
   6  * based on m68k asm/processor.h
   7  *
   8  * This file is subject to the terms and conditions of the GNU General Public
   9  * License.  See the file "COPYING" in the main directory of this archive
  10  * for more details.
  11  */
  12
  13 #ifndef _ASM_NIOS2_PTRACE_H
  14 #define _ASM_NIOS2_PTRACE_H
  15
  16 #include <uapi/asm/ptrace.h>
  17
  18 #ifndef __ASSEMBLY__
  19 #define user_mode(regs) (((regs)->estatus & ESTATUS_EU))
  20
  21 #define instruction_pointer(regs)       ((regs)->ra)
  22 #define profile_pc(regs)                instruction_pointer(regs)
  23 #define user_stack_pointer(regs)        ((regs)->sp)
  24 extern void show_regs(struct pt_regs *);
  25
  26 #define current_pt_regs() \
  27         ((struct pt_regs *)((unsigned long)current_thread_info() + THREAD_SIZE)\
  28                 - 1)
  29
  30 int do_syscall_trace_enter(void);
  31 void do_syscall_trace_exit(void);
  32 #endif /* __ASSEMBLY__ */
  33 #endif /* _ASM_NIOS2_PTRACE_H */