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1 files changed, 51 insertions, 0 deletions
diff --git a/contrib/llvm-project/compiler-rt/lib/xray/xray_powerpc64.inc b/contrib/llvm-project/compiler-rt/lib/xray/xray_powerpc64.inc
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+++ b/contrib/llvm-project/compiler-rt/lib/xray/xray_powerpc64.inc
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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