[SPARC64]: Add regs_return_value().
Needed for kretprobes. Noticed by Ananth N Mavinakayanahalli. Signed-off-by: David S. Miller <davem@davemloft.net>
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@ -102,6 +102,7 @@ do { current_thread_info()->syscall_noerror = 1; \
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} while (0)
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#define user_mode(regs) (!((regs)->tstate & TSTATE_PRIV))
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#define instruction_pointer(regs) ((regs)->tpc)
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#define regs_return_value(regs) ((regs)->u_regs[UREG_I0])
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#ifdef CONFIG_SMP
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extern unsigned long profile_pc(struct pt_regs *);
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#else
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