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688903eb | 1 | /* Copyright (C) 2011-2018 Free Software Foundation, Inc. |
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2 | This file is part of the GNU C Library. |
3 | Contributed by Chris Metcalf <cmetcalf@tilera.com>, 2011. | |
4 | ||
5 | The GNU C Library is free software; you can redistribute it and/or | |
6 | modify it under the terms of the GNU Lesser General Public | |
7 | License as published by the Free Software Foundation; either | |
8 | version 2.1 of the License, or (at your option) any later version. | |
9 | ||
10 | The GNU C Library is distributed in the hope that it will be useful, | |
11 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
13 | Lesser General Public License for more details. | |
14 | ||
15 | You should have received a copy of the GNU Lesser General Public | |
ab84e3ff PE |
16 | License along with the GNU C Library. If not, see |
17 | <http://www.gnu.org/licenses/>. */ | |
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18 | |
19 | #ifndef _UNISTD_H | |
20 | # error "Never include this file directly. Use <unistd.h> instead" | |
21 | #endif | |
22 | ||
23 | #include <bits/wordsize.h> | |
24 | ||
25 | /* This header should define the following symbols under the described | |
26 | situations. A value `1' means that the model is always supported, | |
27 | `-1' means it is never supported. Undefined means it cannot be | |
28 | statically decided. | |
29 | ||
30 | _POSIX_V7_ILP32_OFF32 32bit int, long, pointers, and off_t type | |
31 | _POSIX_V7_ILP32_OFFBIG 32bit int, long, and pointers and larger off_t type | |
32 | ||
33 | _POSIX_V7_LP64_OFF32 64bit long and pointers and 32bit off_t type | |
34 | _POSIX_V7_LPBIG_OFFBIG 64bit long and pointers and large off_t type | |
35 | ||
36 | The macros _POSIX_V6_ILP32_OFF32, _POSIX_V6_ILP32_OFFBIG, | |
37 | _POSIX_V6_LP64_OFF32, _POSIX_V6_LPBIG_OFFBIG, _XBS5_ILP32_OFF32, | |
38 | _XBS5_ILP32_OFFBIG, _XBS5_LP64_OFF32, and _XBS5_LPBIG_OFFBIG were | |
39 | used in previous versions of the Unix standard and are available | |
40 | only for compatibility. | |
41 | */ | |
42 | ||
43 | #if __WORDSIZE == 64 | |
44 | ||
45 | /* Environments with 32-bit wide pointers are optionally provided. | |
46 | Therefore following macros aren't defined: | |
47 | # undef _POSIX_V7_ILP32_OFF32 | |
48 | # undef _POSIX_V7_ILP32_OFFBIG | |
49 | # undef _POSIX_V6_ILP32_OFF32 | |
50 | # undef _POSIX_V6_ILP32_OFFBIG | |
51 | # undef _XBS5_ILP32_OFF32 | |
52 | # undef _XBS5_ILP32_OFFBIG | |
53 | and users need to check at runtime. */ | |
54 | ||
55 | /* We also have no use (for now) for an environment with bigger pointers | |
56 | and offsets. */ | |
57 | # define _POSIX_V7_LPBIG_OFFBIG -1 | |
58 | # define _POSIX_V6_LPBIG_OFFBIG -1 | |
59 | # define _XBS5_LPBIG_OFFBIG -1 | |
60 | ||
61 | /* By default we have 64-bit wide `long int', pointers and `off_t'. */ | |
62 | # define _POSIX_V7_LP64_OFF64 1 | |
63 | # define _POSIX_V6_LP64_OFF64 1 | |
64 | # define _XBS5_LP64_OFF64 1 | |
65 | ||
66 | #else /* __WORDSIZE == 32 */ | |
67 | ||
68 | /* By default we have 32-bit wide `int', `long int', pointers and `off_t' | |
69 | and all platforms support LFS. */ | |
70 | # define _POSIX_V7_ILP32_OFF32 1 | |
71 | # define _POSIX_V7_ILP32_OFFBIG 1 | |
72 | # define _POSIX_V6_ILP32_OFF32 1 | |
73 | # define _POSIX_V6_ILP32_OFFBIG 1 | |
74 | # define _XBS5_ILP32_OFF32 1 | |
75 | # define _XBS5_ILP32_OFFBIG 1 | |
76 | ||
77 | /* We optionally provide an environment with the above size but an 64-bit | |
78 | side `off_t'. Therefore we don't define _POSIX_V7_ILP32_OFFBIG. */ | |
79 | ||
80 | /* Environments with 64-bit wide pointers can be provided, | |
81 | so these macros aren't defined: | |
82 | # undef _POSIX_V7_LP64_OFF64 | |
83 | # undef _POSIX_V7_LPBIG_OFFBIG | |
84 | # undef _POSIX_V6_LP64_OFF64 | |
85 | # undef _POSIX_V6_LPBIG_OFFBIG | |
86 | # undef _XBS5_LP64_OFF64 | |
87 | # undef _XBS5_LPBIG_OFFBIG | |
88 | and sysconf tests for it at runtime. */ | |
89 | ||
90 | #endif /* __WORDSIZE == 32 */ | |
91 | ||
ed95f611 | 92 | /* TILE-Gx has the ability to choose 32- or 64-bit. */ |
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93 | #define __ILP32_OFF32_CFLAGS "-m32" |
94 | #define __ILP32_OFFBIG_CFLAGS "-m32 -D_LARGEFILE_SOURCE -D_FILE_OFFSET_BITS=64" | |
95 | #define __ILP32_OFF32_LDFLAGS "-m32" | |
96 | #define __ILP32_OFFBIG_LDFLAGS "-m32" | |
97 | #define __LP64_OFF64_CFLAGS "-m64" | |
98 | #define __LP64_OFF64_LDFLAGS "-m64" |