Release 4.7 arch/sparc/include/asm/ptrace.h

#ifndef __SPARC_PTRACE_H

#define __SPARC_PTRACE_H

#include <uapi/asm/ptrace.h>

#if defined(__sparc__) && defined(__arch64__)
#ifndef __ASSEMBLY__

#include <linux/threads.h>
#include <asm/switch_to.h>



static inline int pt_regs_trap_type(struct pt_regs *regs)
{
	return regs->magic & 0x1ff;
}

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static inline bool pt_regs_is_syscall(struct pt_regs *regs)
{
	return (regs->tstate & TSTATE_SYSCALL);
}

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static inline bool pt_regs_clear_syscall(struct pt_regs *regs)
{
	return (regs->tstate &= ~TSTATE_SYSCALL);
}

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#define arch_ptrace_stop_needed(exit_code, info) \
({      flush_user_windows(); \
        get_thread_wsaved() != 0; \
})


#define arch_ptrace_stop(exit_code, info) \
	synchronize_user_stack()


#define current_pt_regs() \
	((struct pt_regs *)((unsigned long)current_thread_info() + THREAD_SIZE) - 1)


struct global_reg_snapshot {
	
unsigned long		tstate;
	
unsigned long		tpc;
	
unsigned long		tnpc;
	
unsigned long		o7;
	
unsigned long		i7;
	
unsigned long		rpc;
	
struct thread_info	*thread;
	
unsigned long		pad1;
};


struct global_pmu_snapshot {
	
unsigned long		pcr[4];
	
unsigned long		pic[4];
};


union global_cpu_snapshot {
	
struct global_reg_snapshot	reg;
	
struct global_pmu_snapshot	pmu;
};

extern union global_cpu_snapshot global_cpu_snapshot[NR_CPUS];


#define force_successful_syscall_return() set_thread_noerror(1)

#define user_mode(regs) (!((regs)->tstate & TSTATE_PRIV))

#define instruction_pointer(regs) ((regs)->tpc)

#define instruction_pointer_set(regs, val) ((regs)->tpc = (val))

#define user_stack_pointer(regs) ((regs)->u_regs[UREG_FP])


static inline int is_syscall_success(struct pt_regs *regs)
{
	return !(regs->tstate & (TSTATE_XCARRY | TSTATE_ICARRY));
}

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static inline long regs_return_value(struct pt_regs *regs)
{
	return regs->u_regs[UREG_I0];
}
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#ifdef CONFIG_SMP
unsigned long profile_pc(struct pt_regs *);
#else

#define profile_pc(regs) instruction_pointer(regs)
#endif
#else /* __ASSEMBLY__ */
#endif /* __ASSEMBLY__ */
#else /* (defined(__sparc__) && defined(__arch64__)) */
#ifndef __ASSEMBLY__
#include <asm/switch_to.h>



static inline bool pt_regs_is_syscall(struct pt_regs *regs)
{
	return (regs->psr & PSR_SYSCALL);
}

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static inline bool pt_regs_clear_syscall(struct pt_regs *regs)
{
	return (regs->psr &= ~PSR_SYSCALL);
}

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#define arch_ptrace_stop_needed(exit_code, info) \
({      flush_user_windows(); \
        current_thread_info()->w_saved != 0;    \
})


#define arch_ptrace_stop(exit_code, info) \
	synchronize_user_stack()


#define current_pt_regs() \
	((struct pt_regs *)((unsigned long)current_thread_info() + THREAD_SIZE) - 1)


#define user_mode(regs) (!((regs)->psr & PSR_PS))

#define instruction_pointer(regs) ((regs)->pc)

#define user_stack_pointer(regs) ((regs)->u_regs[UREG_FP])
unsigned long profile_pc(struct pt_regs *);
#else /* (!__ASSEMBLY__) */
#endif /* (!__ASSEMBLY__) */
#endif /* (defined(__sparc__) && defined(__arch64__)) */

#define STACK_BIAS		2047

/* global_reg_snapshot offsets */

#define GR_SNAP_TSTATE	0x00

#define GR_SNAP_TPC	0x08

#define GR_SNAP_TNPC	0x10

#define GR_SNAP_O7	0x18

#define GR_SNAP_I7	0x20

#define GR_SNAP_RPC	0x28

#define GR_SNAP_THREAD	0x30

#define GR_SNAP_PAD1	0x38

#endif /* !(__SPARC_PTRACE_H) */
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Directory: arch/sparc/include/asm

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