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//===-- xray_powerpc64.inc --------------------------------------*- C++ -*-===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
//
// This file is a part of XRay, a dynamic runtime instrumentation system.
//
//===----------------------------------------------------------------------===//
#include <cstdint>
#include <mutex>
#ifdef __linux__
#include <sys/platform/ppc.h>
#elif defined(__FreeBSD__)
#include <sys/types.h>
#include <sys/sysctl.h>
#define __ppc_get_timebase __builtin_ppc_get_timebase
uint64_t __ppc_get_timebase_freq (void)
{
uint64_t tb_freq = 0;
size_t length = sizeof(tb_freq);
sysctlbyname("kern.timecounter.tc.timebase.frequency", &tb_freq, &length, nullptr, 0);
return tb_freq;
}
#endif
#include "xray_defs.h"
namespace __xray {
ALWAYS_INLINE uint64_t readTSC(uint8_t &CPU) XRAY_NEVER_INSTRUMENT {
CPU = 0;
return __ppc_get_timebase();
}
inline uint64_t getTSCFrequency() XRAY_NEVER_INSTRUMENT {
static std::mutex M;
std::lock_guard<std::mutex> Guard(M);
return __ppc_get_timebase_freq();
}
inline bool probeRequiredCPUFeatures() XRAY_NEVER_INSTRUMENT {
return true;
}
} // namespace __xray
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