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✏️ Editing: sysprof-address.h

/* sysprof-address.h
 *
 * Copyright 2016-2019 Christian Hergert <chergert@redhat.com>
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are
 * met:
 *
 * 1. Redistributions of source code must retain the above copyright notice,
 *    this list of conditions and the following disclaimer.
 *
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * Subject to the terms and conditions of this license, each copyright holder
 * and contributor hereby grants to those receiving rights under this license
 * a perpetual, worldwide, non-exclusive, no-charge, royalty-free,
 * irrevocable (except for failure to satisfy the conditions of this license)
 * patent license to make, have made, use, offer to sell, sell, import, and
 * otherwise transfer this software, where such license applies only to those
 * patent claims, already acquired or hereafter acquired, licensable by such
 * copyright holder or contributor that are necessarily infringed by:
 *
 * (a) their Contribution(s) (the licensed copyrights of copyright holders
 *     and non-copyrightable additions of contributors, in source or binary
 *     form) alone; or
 *
 * (b) combination of their Contribution(s) with the work of authorship to
 *     which such Contribution(s) was added by such copyright holder or
 *     contributor, if, at the time the Contribution is added, such addition
 *     causes such combination to be necessarily infringed. The patent license
 *     shall not apply to any other combinations which include the
 *     Contribution.
 *
 * Except as expressly stated above, no rights or licenses from any copyright
 * holder or contributor is granted under this license, whether expressly, by
 * implication, estoppel or otherwise.
 *
 * DISCLAIMER
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
 * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS OR
 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
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 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 *
 * SPDX-License-Identifier: BSD-2-Clause-Patent
 */

#pragma once

#include <assert.h>
#include <stdbool.h>
#include <stdint.h>

#include "sysprof-macros.h"
#include "sysprof-version-macros.h"

SYSPROF_BEGIN_DECLS

typedef uint64_t SysprofAddress;

SYSPROF_STATIC_ASSERT (sizeof (SysprofAddress) >= sizeof (void *),
                       "Address space is too big");

typedef enum
{
  SYSPROF_ADDRESS_CONTEXT_NONE = 0,
  SYSPROF_ADDRESS_CONTEXT_HYPERVISOR,
  SYSPROF_ADDRESS_CONTEXT_KERNEL,
  SYSPROF_ADDRESS_CONTEXT_USER,
  SYSPROF_ADDRESS_CONTEXT_GUEST,
  SYSPROF_ADDRESS_CONTEXT_GUEST_KERNEL,
  SYSPROF_ADDRESS_CONTEXT_GUEST_USER,
} SysprofAddressContext;

SYSPROF_AVAILABLE_IN_ALL
bool         sysprof_address_is_context_switch (SysprofAddress         address,
                                                SysprofAddressContext *context);
SYSPROF_AVAILABLE_IN_ALL
const char  *sysprof_address_context_to_string (SysprofAddressContext  context);

static inline int
sysprof_address_compare (SysprofAddress a,
                         SysprofAddress b)
{
  if (a < b)
    return -1;
  else if (a == b)
    return 0;
  else
    return 1;
}

SYSPROF_END_DECLS