src/hotspot/os/linux/vmStructs_linux.hpp

/*
 * Copyright (c) 2015, 2025, Oracle and/or its affiliates. All rights reserved.
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 * This code is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License version 2 only, as
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 *
 * This code is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
 *
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 * 2 along with this work; if not, write to the Free Software Foundation,
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#ifndef OS_LINUX_VMSTRUCTS_LINUX_HPP
#define OS_LINUX_VMSTRUCTS_LINUX_HPP

#include <dlfcn.h>

// These are the OS-specific fields, types and integer
// constants required by the Serviceability Agent. This file is
// referenced by vmStructs.cpp.

#define VM_STRUCTS_OS(nonstatic_field, static_field, unchecked_nonstatic_field, volatile_nonstatic_field, nonproduct_nonstatic_field) \
                                                                                                                                     \
  /******************************/                                                                                                   \
  /* Threads (NOTE: incomplete) */                                                                                                   \
  /******************************/                                                                                                   \
  nonstatic_field(OSThread,                      _thread_id,                                      pid_t)                             \
  nonstatic_field(OSThread,                      _pthread_id,                                     pthread_t)

#define VM_TYPES_OS(declare_type, declare_toplevel_type, declare_oop_type, declare_integer_type, declare_unsigned_integer_type) \
                                                                          \
  /**********************/                                                \
  /* Posix Thread IDs   */                                                \
  /**********************/                                                \
                                                                          \
  declare_integer_type(pid_t)                                             \
  declare_unsigned_integer_type(pthread_t)

#define VM_INT_CONSTANTS_OS(declare_constant, declare_preprocessor_constant)

#define VM_LONG_CONSTANTS_OS(declare_constant, declare_preprocessor_constant)

#define VM_ADDRESSES_OS(declare_address, declare_preprocessor_address, declare_function) \
  declare_preprocessor_address("RTLD_DEFAULT", RTLD_DEFAULT)

#endif // OS_LINUX_VMSTRUCTS_LINUX_HPP