/* sysprof-address.h
 *
 * Copyright 2016-2019 Christian Hergert <chergert@redhat.com>
 *
 * Redistribution and use in source and binary forms, with or without
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 * met:
 *
 * 1. Redistributions of source code must retain the above copyright notice,
 *    this list of conditions and the following disclaimer.
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 * 2. Redistributions in binary form must reproduce the above copyright
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 * and contributor hereby grants to those receiving rights under this license
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 * irrevocable (except for failure to satisfy the conditions of this license)
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 * otherwise transfer this software, where such license applies only to those
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#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