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authorLen Brown <len.brown@intel.com>2010-08-15 01:06:31 -0400
committerLen Brown <len.brown@intel.com>2010-08-15 01:06:31 -0400
commit95ee46aa8698f2000647dfb362400fadbb5807cf (patch)
treee5a05c7297f997e191c73091934e42e3195c0e40 /arch/sparc/include/asm/perf_event.h
parentcfa806f059801dbe7e435745eb2e187c8bfe1e7f (diff)
parent92fa5bd9a946b6e7aab6764e7312e4e3d9bed295 (diff)
Merge branch 'linus' into release
Conflicts: drivers/acpi/debug.c Signed-off-by: Len Brown <len.brown@intel.com>
Diffstat (limited to 'arch/sparc/include/asm/perf_event.h')
-rw-r--r--arch/sparc/include/asm/perf_event.h23
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 7e2669894ce8..727af70646cb 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