arch/alpha/include/asm/ptrace.h

   1 #ifndef _ASMAXP_PTRACE_H
   2 #define _ASMAXP_PTRACE_H
   3
   4 #include <uapi/asm/ptrace.h>
   5
   6
   7 #define arch_has_single_step()          (1)
   8 #define user_mode(regs) (((regs)->ps & 8) != 0)
   9 #define instruction_pointer(regs) ((regs)->pc)
  10 #define profile_pc(regs) instruction_pointer(regs)
  11 #define current_user_stack_pointer() rdusp()
  12
  13 #define task_pt_regs(task) \
  14   ((struct pt_regs *) (task_stack_page(task) + 2*PAGE_SIZE) - 1)
  15
  16 #define current_pt_regs() \
  17   ((struct pt_regs *) ((char *)current_thread_info() + 2*PAGE_SIZE) - 1)
  18 #define signal_pt_regs current_pt_regs
  19
  20 #define force_successful_syscall_return() (current_pt_regs()->r0 = 0)
  21
  22 static inline unsigned long regs_return_value(struct pt_regs *regs)
  23 {
  24         return regs->r0;
  25 }
  26
  27 #endif