src/hotspot/cpu/zero/globalDefinitions_zero.hpp

/*
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 * Copyright 2009, 2021, Red Hat, Inc.
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 * accompanied this code).
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#ifndef CPU_ZERO_GLOBALDEFINITIONS_ZERO_HPP
#define CPU_ZERO_GLOBALDEFINITIONS_ZERO_HPP

#ifdef _LP64
#define SUPPORTS_NATIVE_CX8
#endif

// The expected size in bytes of a cache line.
#define DEFAULT_CACHE_LINE_SIZE 64

// The default padding size for data structures to avoid false sharing.
#define DEFAULT_PADDING_SIZE DEFAULT_CACHE_LINE_SIZE

#include <ffi.h>

// Indicates whether the C calling conventions require that
// 32-bit integer argument values are extended to 64 bits.
const bool CCallingConventionRequiresIntsAsLongs = false;
#if defined(AIX)
const size_t pd_segfault_address = -1;
#elif defined(S390)
const size_t pd_segfault_address = 4096;
#else
const size_t pd_segfault_address = 1024;
#endif

#endif // CPU_ZERO_GLOBALDEFINITIONS_ZERO_HPP