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kernel add
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#ifndef __ASM_SPARC_PERF_EVENT_H
#define __ASM_SPARC_PERF_EVENT_H
#ifdef CONFIG_PERF_EVENTS
#include <asm/ptrace.h>
#define perf_arch_fetch_caller_regs(regs, ip) \
do { \
unsigned long _pstate, _asi, _pil, _i7, _fp; \
__asm__ __volatile__("rdpr %%pstate, %0
\t" \
"rd %%asi, %1
\t" \
"rdpr %%pil, %2
\t" \
"mov %%i7, %3
\t" \
"mov %%i6, %4
\t" \
: "=r" (_pstate), \
"=r" (_asi), \
"=r" (_pil), \
"=r" (_i7), \
"=r" (_fp)); \
(regs)->tstate = (_pstate << 8) | \
(_asi << 24) | (_pil << 20); \
(regs)->tpc = (ip); \
(regs)->tnpc = (regs)->tpc + 4; \
(regs)->u_regs[UREG_I6] = _fp; \
(regs)->u_regs[UREG_I7] = _i7; \
} while (0)
#endif
#endif
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