tools/testing/selftests/vDSO/vdso_config.h

   1 /* SPDX-License-Identifier: GPL-2.0 */
   2 /*
   3  * vdso_config.h: Configuration options for vDSO tests.
   4  * Copyright (c) 2019 Arm Ltd.
   5  */
   6 #ifndef __VDSO_CONFIG_H__
   7 #define __VDSO_CONFIG_H__
   8
   9 /*
  10  * Each architecture exports its vDSO implementation with different names
  11  * and a different version from the others, so we need to handle it as a
  12  * special case.
  13  */
  14 #if defined(__arm__)
  15 #define VDSO_VERSION            0
  16 #define VDSO_NAMES              1
  17 #define VDSO_32BIT              1
  18 #elif defined(__aarch64__)
  19 #define VDSO_VERSION            3
  20 #define VDSO_NAMES              0
  21 #elif defined(__powerpc__)
  22 #define VDSO_VERSION            1
  23 #define VDSO_NAMES              0
  24 #define VDSO_32BIT              1
  25 #elif defined(__powerpc64__)
  26 #define VDSO_VERSION            1
  27 #define VDSO_NAMES              0
  28 #elif defined (__s390__)
  29 #define VDSO_VERSION            2
  30 #define VDSO_NAMES              0
  31 #define VDSO_32BIT              1
  32 #elif defined (__s390X__)
  33 #define VDSO_VERSION            2
  34 #define VDSO_NAMES              0
  35 #elif defined(__mips__)
  36 #define VDSO_VERSION            0
  37 #define VDSO_NAMES              1
  38 #define VDSO_32BIT              1
  39 #elif defined(__sparc__)
  40 #define VDSO_VERSION            0
  41 #define VDSO_NAMES              1
  42 #define VDSO_32BIT              1
  43 #elif defined(__i386__)
  44 #define VDSO_VERSION            0
  45 #define VDSO_NAMES              1
  46 #define VDSO_32BIT              1
  47 #elif defined(__x86_64__)
  48 #define VDSO_VERSION            0
  49 #define VDSO_NAMES              1
  50 #elif defined(__riscv__) || defined(__riscv)
  51 #define VDSO_VERSION            5
  52 #define VDSO_NAMES              1
  53 #if __riscv_xlen == 32
  54 #define VDSO_32BIT              1
  55 #endif
  56 #elif defined(__loongarch__)
  57 #define VDSO_VERSION            6
  58 #define VDSO_NAMES              1
  59 #endif
  60
  61 static const char *versions[7] = {
  62         "LINUX_2.6",
  63         "LINUX_2.6.15",
  64         "LINUX_2.6.29",
  65         "LINUX_2.6.39",
  66         "LINUX_4",
  67         "LINUX_4.15",
  68         "LINUX_5.10"
  69 };
  70
  71 static const char *names[2][6] = {
  72         {
  73                 "__kernel_gettimeofday",
  74                 "__kernel_clock_gettime",
  75                 "__kernel_time",
  76                 "__kernel_clock_getres",
  77                 "__kernel_getcpu",
  78 #if defined(VDSO_32BIT)
  79                 "__kernel_clock_gettime64",
  80 #endif
  81         },
  82         {
  83                 "__vdso_gettimeofday",
  84                 "__vdso_clock_gettime",
  85                 "__vdso_time",
  86                 "__vdso_clock_getres",
  87                 "__vdso_getcpu",
  88 #if defined(VDSO_32BIT)
  89                 "__vdso_clock_gettime64",
  90 #endif
  91         },
  92 };
  93
  94 #endif /* __VDSO_CONFIG_H__ */