summaryrefslogblamecommitdiff
path: root/arch/alpha/include/asm/ptrace.h
blob: 9047c2fe8f23f4bf7378e04cf8dc2ef6fb79524d (plain) (tree)
1
2
3
4
5
6
7
8
9
10


                        
                            
 
 
                                           


                                                  
                                            
 
                            
                                                                
 

                                                                        
                                      

                                                                     
 




                                                                   
      
#ifndef _ASMAXP_PTRACE_H
#define _ASMAXP_PTRACE_H

#include <uapi/asm/ptrace.h>


#define arch_has_single_step()		(1)
#define user_mode(regs) (((regs)->ps & 8) != 0)
#define instruction_pointer(regs) ((regs)->pc)
#define profile_pc(regs) instruction_pointer(regs)
#define current_user_stack_pointer() rdusp()

#define task_pt_regs(task) \
  ((struct pt_regs *) (task_stack_page(task) + 2*PAGE_SIZE) - 1)

#define current_pt_regs() \
  ((struct pt_regs *) ((char *)current_thread_info() + 2*PAGE_SIZE) - 1)
#define signal_pt_regs current_pt_regs

#define force_successful_syscall_return() (current_pt_regs()->r0 = 0)

static inline unsigned long regs_return_value(struct pt_regs *regs)
{
	return regs->r0;
}

#endif