linux/arch/alpha/include/asm/ptrace.h
<<
>>
Prefs
   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
  22static inline unsigned long regs_return_value(struct pt_regs *regs)
  23{
  24        return regs->r0;
  25}
  26
  27#endif
  28