diff options
Diffstat (limited to 'arch/sparc/include/asm/perf_event.h')
| -rw-r--r-- | arch/sparc/include/asm/perf_event.h | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/arch/sparc/include/asm/perf_event.h b/arch/sparc/include/asm/perf_event.h index 7e2669894ce..727af70646c 100644 --- a/arch/sparc/include/asm/perf_event.h +++ b/arch/sparc/include/asm/perf_event.h @@ -6,7 +6,30 @@ extern void set_perf_event_pending(void); #define PERF_EVENT_INDEX_OFFSET 0 #ifdef CONFIG_PERF_EVENTS +#include <asm/ptrace.h> + extern void init_hw_perf_events(void); + +#define perf_arch_fetch_caller_regs(regs, ip) \ +do { \ + unsigned long _pstate, _asi, _pil, _i7, _fp; \ + __asm__ __volatile__("rdpr %%pstate, %0\n\t" \ + "rd %%asi, %1\n\t" \ + "rdpr %%pil, %2\n\t" \ + "mov %%i7, %3\n\t" \ + "mov %%i6, %4\n\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) #else static inline void init_hw_perf_events(void) { } #endif |