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Tip revision: 6d902697dc625f4043741474f79b686387d5d752 authored by Jason Self on 26 March 2014, 12:05:21 UTC
Linux-libre 3.12.15-gnu
Tip revision: 6d90269
ptrace.h
#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)

#endif
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