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