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detect-arch.c

detect-arch.c 3.3 KB
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  1. // archdetect.c -- Detect compiler architecture and raise preprocessor error
    2. 

  2. //                 containing a simple arch identifier.
    3. 

  3. // Copyright (C) 2019 Hans Kristian Rosbach
    4. 

  4. // Licensed under the Zlib license, see LICENSE.md for details
    5. 

  5. 

  6. // x86_64
    7. 

  7. #if defined(__x86_64__) || defined(_M_X64)
    8. 

  8.     #error archfound x86_64
    9. 

  9. 

  10. // x86
    11. 

  11. #elif defined(__i386) || defined(_M_IX86)
    12. 

  12.     #error archfound i686
    13. 

  13. 

  14. // ARM
    15. 

  15. #elif defined(__aarch64__) || defined(__arm64__) || defined(_M_ARM64) || defined(_M_ARM64EC)
    16. 

  16.     #error archfound aarch64
    17. 

  17. #elif defined(__arm__) || defined(__arm) || defined(_M_ARM) || defined(__TARGET_ARCH_ARM)
    18. 

  18.     #if defined(__ARM64_ARCH_8__) || defined(__ARMv8__) || defined(__ARMv8_A__)
    19. 

  19.         #error archfound armv8
    20. 

  20.     #elif defined(__ARM_ARCH_7__) || defined(__ARM_ARCH_7A__) || defined(__ARM_ARCH_7R__) || defined(__ARM_ARCH_7M__)
    21. 

  21.         #error archfound armv7
    22. 

  22.     #elif defined(__ARM_ARCH_6__) || defined(__ARM_ARCH_6J__) || defined(__ARM_ARCH_6T2__) || defined(__ARM_ARCH_6Z__) || defined(__ARM_ARCH_6K__) || defined(__ARM_ARCH_6ZK__) || defined(__ARM_ARCH_6M__)
    23. 

  23.         #error archfound armv6
    24. 

  24.     #elif defined(__ARM_ARCH_5T__) || defined(__ARM_ARCH_5TE__) || defined(__ARM_ARCH_5TEJ__)
    25. 

  25.         #error archfound armv5
    26. 

  26.     #elif defined(__ARM_ARCH_4T__) || defined(__TARGET_ARCH_5E__)
    27. 

  27.         #error archfound armv4
    28. 

  28.     #elif defined(__ARM_ARCH_3__) || defined(__TARGET_ARCH_3M__)
    29. 

  29.         #error archfound armv3
    30. 

  30.     #elif defined(__ARM_ARCH_2__)
    31. 

  31.         #error archfound armv2
    32. 

  32.     #endif
    33. 

  33. 

  34. // PowerPC
    35. 

  35. #elif defined(__powerpc__) || defined(_ppc__) || defined(__PPC__)
    36. 

  36.     #if defined(__64BIT__) || defined(__powerpc64__) || defined(__ppc64__)
    37. 

  37.         #if __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__
    38. 

  38.             #error archfound powerpc64le
    39. 

  39.         #else
    40. 

  40.             #error archfound powerpc64
    41. 

  41.         #endif
    42. 

  42.     #else
    43. 

  43.         #error archfound powerpc
    44. 

  44.     #endif
    45. 

  45. 

  46. // --------------- Less common architectures alphabetically below ---------------
    47. 

  47. 

  48. // ALPHA
    49. 

  49. #elif defined(__alpha__) || defined(__alpha)
    50. 

  50.     #error archfound alpha
    51. 

  51. 

  52. // Blackfin
    53. 

  53. #elif defined(__BFIN__)
    54. 

  54.     #error archfound blackfin
    55. 

  55. 

  56. // Itanium
    57. 

  57. #elif defined(__ia64) || defined(_M_IA64)
    58. 

  58.     #error archfound ia64
    59. 

  59. 

  60. // MIPS
    61. 

  61. #elif defined(__mips__) || defined(__mips)
    62. 

  62.     #error archfound mips
    63. 

  63. 

  64. // Motorola 68000-series
    65. 

  65. #elif defined(__m68k__)
    66. 

  66.     #error archfound m68k
    67. 

  67. 

  68. // SuperH
    69. 

  69. #elif defined(__sh__)
    70. 

  70.     #error archfound sh
    71. 

  71. 

  72. // SPARC
    73. 

  73. #elif defined(__sparc__) || defined(__sparc)
    74. 

  74.     #if defined(__sparcv9) || defined(__sparc_v9__)
    75. 

  75.         #error archfound sparc9
    76. 

  76.     #elif defined(__sparcv8) || defined(__sparc_v8__)
    77. 

  77.         #error archfound sparc8
    78. 

  78.     #endif
    79. 

  79. 

  80. // SystemZ
    81. 

  81. #elif defined(__370__)
    82. 

  82.     #error archfound s370
    83. 

  83. #elif defined(__s390__)
    84. 

  84.     #error archfound s390
    85. 

  85. #elif defined(__s390x) || defined(__zarch__)
    86. 

  86.     #error archfound s390x
    87. 

  87. 

  88. // PARISC
    89. 

  89. #elif defined(__hppa__)
    90. 

  90.     #error archfound parisc
    91. 

  91. 

  92. // RS-6000
    93. 

  93. #elif defined(__THW_RS6000)
    94. 

  94.     #error archfound rs6000
    95. 

  95. 

  96. // RISC-V
    97. 

  97. #elif defined(__riscv)
    98. 

  98.     #if __riscv_xlen == 64
    99. 

  99.         #error archfound riscv64
    100. 

  100.     #elif __riscv_xlen == 32
    101. 

  101.         #error archfound riscv32
    102. 

  102.     #endif
    103. 

  103. 

  104. // LOONGARCH
    105. 

  105. #elif defined(__loongarch_lp64)
    106. 

  106.     #error archfound loongarch64
    107. 

  107. 

  108. // Emscripten (WebAssembly)
    109. 

  109. #elif defined(__EMSCRIPTEN__)
    110. 

  110.     #error archfound wasm32
    111. 

  111. 

  112. // return 'unrecognized' if we do not know what architecture this is
    113. 

  113. #else
    114. 

  114.     #error archfound unrecognized
    115. 

  115. #endif
    116.