[rustc.git] / src / compiler-rt / lib / xray / xray_x86_64.h

//===-- xray_x86_64.h -------------------------------------------*- C++ -*-===//
//
//                     The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// This file is a part of XRay, a dynamic runtime instrumentation system.
//
//===----------------------------------------------------------------------===//
#ifndef XRAY_X86_64_H
#define XRAY_X86_64_H

#include <cstdint>
#include <x86intrin.h>

#include "sanitizer_common/sanitizer_internal_defs.h"
#include "xray_defs.h"

namespace __xray {

ALWAYS_INLINE uint64_t readTSC(uint8_t &CPU) XRAY_NEVER_INSTRUMENT {
  unsigned LongCPU;
  uint64_t TSC = __rdtscp(&LongCPU);
  CPU = LongCPU;
  return TSC;
}
}

#endif // XRAY_X86_64_H
Commit	Line	Data
7cac9316 XL	1	//===-- xray_x86_64.h -------------------------------------------- C++ --===//
	2	//
	3	// The LLVM Compiler Infrastructure
	4	//
	5	// This file is distributed under the University of Illinois Open Source
	6	// License. See LICENSE.TXT for details.
	7	//
	8	//===----------------------------------------------------------------------===//
	9	//
	10	// This file is a part of XRay, a dynamic runtime instrumentation system.
	11	//
	12	//===----------------------------------------------------------------------===//
	13	#ifndef XRAY_X86_64_H
	14	#define XRAY_X86_64_H
	15
	16	#include <cstdint>
	17	#include <x86intrin.h>
	18
	19	#include "sanitizer_common/sanitizer_internal_defs.h"
	20	#include "xray_defs.h"
	21
	22	namespace __xray {
	23
	24	ALWAYS_INLINE uint64_t readTSC(uint8_t &CPU) XRAY_NEVER_INSTRUMENT {
	25	unsigned LongCPU;
	26	uint64_t TSC = __rdtscp(&LongCPU);
	27	CPU = LongCPU;
	28	return TSC;
	29	}
	30	}
	31
	32	#endif // XRAY_X86_64_H