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| 1 | (* *********************************************************************) |
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| 2 | (* *) |
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| 3 | (* The Compcert verified compiler *) |
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| 4 | (* *) |
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| 5 | (* Xavier Leroy, INRIA Paris-Rocquencourt *) |
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| 6 | (* *) |
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| 7 | (* Copyright Institut National de Recherche en Informatique et en *) |
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| 8 | (* Automatique. All rights reserved. This file is distributed *) |
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| 9 | (* under the terms of the GNU General Public License as published by *) |
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| 10 | (* the Free Software Foundation, either version 2 of the License, or *) |
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| 11 | (* (at your option) any later version. This file is also distributed *) |
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| 12 | (* under the terms of the INRIA Non-Commercial License Agreement. *) |
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| 13 | (* *) |
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| 14 | (* *********************************************************************) |
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| 15 | |
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| 16 | (* Machine-dependent aspects *) |
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| 17 | |
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| 18 | type t = { |
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| 19 | char_signed: bool; |
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| 20 | sizeof_ptr: int; |
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| 21 | sizeof_short: int; |
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| 22 | sizeof_int: int; |
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| 23 | sizeof_long: int; |
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| 24 | sizeof_longlong: int; |
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| 25 | sizeof_float: int; |
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| 26 | sizeof_double: int; |
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| 27 | sizeof_longdouble: int; |
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| 28 | sizeof_void: int option; |
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| 29 | sizeof_fun: int option; |
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| 30 | sizeof_wchar: int; |
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| 31 | sizeof_size_t: int; |
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| 32 | sizeof_ptrdiff_t: int; |
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| 33 | alignof_ptr: int; |
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| 34 | alignof_short: int; |
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| 35 | alignof_int: int; |
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| 36 | alignof_long: int; |
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| 37 | alignof_longlong: int; |
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| 38 | alignof_float: int; |
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| 39 | alignof_double: int; |
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| 40 | alignof_longdouble: int; |
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| 41 | alignof_void: int option; |
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| 42 | alignof_fun: int option |
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| 43 | } |
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| 44 | |
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| 45 | let ilp32ll64 = { |
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| 46 | char_signed = false; |
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| 47 | sizeof_ptr = 4; |
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| 48 | sizeof_short = 2; |
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| 49 | sizeof_int = 4; |
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| 50 | sizeof_long = 4; |
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| 51 | sizeof_longlong = 8; |
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| 52 | sizeof_float = 4; |
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| 53 | sizeof_double = 8; |
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| 54 | sizeof_longdouble = 16; |
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| 55 | sizeof_void = None; |
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| 56 | sizeof_fun = None; |
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| 57 | sizeof_wchar = 4; |
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| 58 | sizeof_size_t = 4; |
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| 59 | sizeof_ptrdiff_t = 4; |
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| 60 | alignof_ptr = 4; |
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| 61 | alignof_short = 2; |
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| 62 | alignof_int = 4; |
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| 63 | alignof_long = 4; |
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| 64 | alignof_longlong = 8; |
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| 65 | alignof_float = 4; |
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| 66 | alignof_double = 8; |
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| 67 | alignof_longdouble = 16; |
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| 68 | alignof_void = None; |
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| 69 | alignof_fun = None |
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| 70 | } |
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| 71 | |
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| 72 | let i32lpll64 = { |
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| 73 | char_signed = false; |
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| 74 | sizeof_ptr = 8; |
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| 75 | sizeof_short = 2; |
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| 76 | sizeof_int = 4; |
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| 77 | sizeof_long = 8; |
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| 78 | sizeof_longlong = 8; |
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| 79 | sizeof_float = 4; |
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| 80 | sizeof_double = 8; |
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| 81 | sizeof_longdouble = 16; |
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| 82 | sizeof_void = None; |
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| 83 | sizeof_fun = None; |
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| 84 | sizeof_wchar = 4; |
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| 85 | sizeof_size_t = 8; |
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| 86 | sizeof_ptrdiff_t = 8; |
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| 87 | alignof_ptr = 8; |
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| 88 | alignof_short = 2; |
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| 89 | alignof_int = 4; |
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| 90 | alignof_long = 8; |
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| 91 | alignof_longlong = 8; |
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| 92 | alignof_float = 4; |
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| 93 | alignof_double = 8; |
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| 94 | alignof_longdouble = 16; |
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| 95 | alignof_void = None; |
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| 96 | alignof_fun = None |
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| 97 | } |
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| 98 | |
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| 99 | let il32pll64 = { |
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| 100 | char_signed = false; |
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| 101 | sizeof_ptr = 8; |
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| 102 | sizeof_short = 2; |
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| 103 | sizeof_int = 4; |
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| 104 | sizeof_long = 4; |
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| 105 | sizeof_longlong = 8; |
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| 106 | sizeof_float = 4; |
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| 107 | sizeof_double = 8; |
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| 108 | sizeof_longdouble = 16; |
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| 109 | sizeof_void = None; |
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| 110 | sizeof_fun = None; |
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| 111 | sizeof_wchar = 4; |
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| 112 | sizeof_size_t = 8; |
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| 113 | sizeof_ptrdiff_t = 8; |
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| 114 | alignof_ptr = 8; |
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| 115 | alignof_short = 2; |
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| 116 | alignof_int = 4; |
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| 117 | alignof_long = 4; |
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| 118 | alignof_longlong = 8; |
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| 119 | alignof_float = 4; |
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| 120 | alignof_double = 8; |
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| 121 | alignof_longdouble = 16; |
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| 122 | alignof_void = None; |
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| 123 | alignof_fun = None |
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| 124 | } |
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| 125 | |
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| 126 | let make_char_signed c = {c with char_signed = true} |
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| 127 | |
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| 128 | let gcc_extensions c = |
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| 129 | { c with sizeof_void = Some 1; sizeof_fun = Some 1; |
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| 130 | alignof_void = Some 1; alignof_fun = Some 1 } |
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| 131 | |
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| 132 | let config = |
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| 133 | ref (match Sys.word_size with |
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| 134 | | 32 -> ilp32ll64 |
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| 135 | | 64 -> if Sys.os_type = "Win32" then il32pll64 else i32lpll64 |
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| 136 | | _ -> assert false) |
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