arch/sparc/include/asm/perf_event.h

   1 #ifndef __ASM_SPARC_PERF_EVENT_H
   2 #define __ASM_SPARC_PERF_EVENT_H
   3
   4 #ifdef CONFIG_PERF_EVENTS
   5 #include <asm/ptrace.h>
   6
   7 extern void init_hw_perf_events(void);
   8
   9 #define perf_arch_fetch_caller_regs(regs, ip)           \
  10 do {                                                    \
  11         unsigned long _pstate, _asi, _pil, _i7, _fp;    \
  12         __asm__ __volatile__("rdpr %%pstate, %0\n\t"    \
  13                              "rd %%asi, %1\n\t"         \
  14                              "rdpr %%pil, %2\n\t"       \
  15                              "mov %%i7, %3\n\t"         \
  16                              "mov %%i6, %4\n\t"         \
  17                              : "=r" (_pstate),          \
  18                                "=r" (_asi),             \
  19                                "=r" (_pil),             \
  20                                "=r" (_i7),              \
  21                                "=r" (_fp));             \
  22         (regs)->tstate = (_pstate << 8) |               \
  23                 (_asi << 24) | (_pil << 20);            \
  24         (regs)->tpc = (ip);                             \
  25         (regs)->tnpc = (regs)->tpc + 4;                 \
  26         (regs)->u_regs[UREG_I6] = _fp;                  \
  27         (regs)->u_regs[UREG_I7] = _i7;                  \
  28 } while (0)
  29 #else
  30 static inline void init_hw_perf_events(void)    { }
  31 #endif
  32
  33 #endif