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3fa4ac47 | 1 | /* machine description file for AMD x86-64. |
76b6f707 | 2 | Copyright (C) 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009 |
49c1c3cc | 3 | Free Software Foundation, Inc. |
3fa4ac47 AS |
4 | |
5 | This file is part of GNU Emacs. | |
6 | ||
eb3d11ef | 7 | GNU Emacs is free software: you can redistribute it and/or modify |
3fa4ac47 | 8 | it under the terms of the GNU General Public License as published by |
eb3d11ef GM |
9 | the Free Software Foundation, either version 3 of the License, or |
10 | (at your option) any later version. | |
3fa4ac47 AS |
11 | |
12 | GNU Emacs is distributed in the hope that it will be useful, | |
13 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
15 | GNU General Public License for more details. | |
16 | ||
17 | You should have received a copy of the GNU General Public License | |
eb3d11ef | 18 | along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>. */ |
3fa4ac47 | 19 | |
d7e2a28f SM |
20 | #ifdef i386 |
21 | /* Although we're running on an amd64 kernel, we're actually compiling for | |
22 | the x86 architecture. The user should probably have provided an | |
23 | explicit --build to `configure', but if everything else than the kernel | |
24 | is running in i386 mode, then the bug is really ours: we should have | |
25 | guessed better. */ | |
26 | #include "m/intel386.h" | |
27 | #else | |
3fa4ac47 | 28 | |
177c0ea7 | 29 | /* The following line tells the configuration script what sort of |
3fa4ac47 AS |
30 | operating system this machine is likely to run. |
31 | USUAL-OPSYS="linux" */ | |
32 | ||
33 | #define BITS_PER_LONG 64 | |
34 | #define BITS_PER_EMACS_INT 64 | |
35 | ||
22e9fe24 | 36 | /* Define WORDS_BIG_ENDIAN if lowest-numbered byte in a word |
3fa4ac47 AS |
37 | is the most significant byte. */ |
38 | ||
39 | #undef WORDS_BIG_ENDIAN | |
40 | ||
41 | /* Define NO_ARG_ARRAY if you cannot take the address of the first of a | |
42 | * group of arguments and treat it as an array of the arguments. */ | |
43 | ||
44 | #define NO_ARG_ARRAY | |
45 | ||
3fa4ac47 AS |
46 | /* Now define a symbol for the cpu type, if your compiler |
47 | does not define it automatically: | |
48 | Ones defined so far include vax, m68000, ns16000, pyramid, | |
49 | orion, tahoe, APOLLO and many others */ | |
50 | /* __x86_64 defined automatically. */ | |
51 | ||
3fa4ac47 AS |
52 | /* Define the type to use. */ |
53 | #define EMACS_INT long | |
54 | #define EMACS_UINT unsigned long | |
3fa4ac47 AS |
55 | |
56 | /* Define EXPLICIT_SIGN_EXTEND if XINT must explicitly sign-extend | |
57 | the 24-bit bit field into an int. In other words, if bit fields | |
58 | are always unsigned. | |
59 | ||
6e5cb96f | 60 | This flag only matters if you use USE_LISP_UNION_TYPE. */ |
3fa4ac47 AS |
61 | |
62 | #define EXPLICIT_SIGN_EXTEND | |
63 | ||
64 | /* Data type of load average, as read out of kmem. */ | |
65 | ||
66 | #define LOAD_AVE_TYPE long | |
67 | ||
68 | /* Convert that into an integer that is 100 for a load average of 1.0 */ | |
69 | ||
70 | #define LOAD_AVE_CVT(x) (int) (((double) (x)) * 100.0 / FSCALE) | |
71 | ||
3fa4ac47 | 72 | /* Define XPNTR to avoid or'ing with DATA_SEG_BITS */ |
8d0485fa | 73 | #undef DATA_SEG_BITS |
3fa4ac47 | 74 | |
d52c26e9 KB |
75 | #ifdef __FreeBSD__ |
76 | ||
77 | /* The libraries for binaries native to the build host's architecture are | |
78 | installed under /usr/lib in FreeBSD, and the ones that need special paths | |
79 | are 32-bit compatibility libraries (installed under /usr/lib32). To build | |
80 | a native binary of Emacs on FreeBSD/amd64 we can just point to /usr/lib. */ | |
81 | ||
82 | #undef START_FILES | |
83 | #define START_FILES pre-crt0.o /usr/lib/crt1.o /usr/lib/crti.o | |
84 | ||
85 | /* The duplicate -lgcc is intentional in the definition of LIB_STANDARD. | |
86 | The reason is that some functions in libgcc.a call functions from libc.a, | |
87 | and some libc.a functions need functions from libgcc.a. Since most | |
88 | versions of ld are one-pass linkers, we need to mention -lgcc twice, | |
89 | or else we risk getting unresolved externals. */ | |
90 | #undef LIB_STANDARD | |
91 | #define LIB_STANDARD -lgcc -lc -lgcc /usr/lib/crtn.o | |
92 | ||
1dbfd8e3 CY |
93 | #elif defined(__OpenBSD__) |
94 | ||
95 | #undef START_FILES | |
96 | #define START_FILES pre-crt0.o /usr/lib/crt0.o /usr/lib/crtbegin.o | |
97 | #undef LIB_STANDARD | |
98 | #define LIB_STANDARD -lgcc -lc -lgcc /usr/lib/crtend.o | |
99 | ||
253d464c EZ |
100 | #elif defined(__NetBSD__) |
101 | ||
102 | /* LIB_STANDARD and START_FILES set correctly in s/netbsd.h */ | |
103 | ||
6efac844 | 104 | #elif defined(SOLARIS2) |
a15fc3c3 CY |
105 | |
106 | #undef START_FILES | |
107 | #undef LIB_STANDARD | |
108 | ||
6efac844 | 109 | #else /* !__OpenBSD__ && !__FreeBSD__ && !__NetBSD__ && !SOLARIS2 */ |
d52c26e9 KB |
110 | /* The duplicate -lgcc is intentional in the definition of LIB_STANDARD. |
111 | The reason is that some functions in libgcc.a call functions from libc.a, | |
112 | and some libc.a functions need functions from libgcc.a. Since most | |
113 | versions of ld are one-pass linkers, we need to mention -lgcc twice, | |
114 | or else we risk getting unresolved externals. */ | |
340074e9 | 115 | #undef START_FILES |
3fa4ac47 | 116 | #undef LIB_STANDARD |
ea7a608a | 117 | #ifdef HAVE_LIB64_DIR |
340074e9 | 118 | #define START_FILES pre-crt0.o /usr/lib64/crt1.o /usr/lib64/crti.o |
3fa4ac47 | 119 | #define LIB_STANDARD -lgcc -lc -lgcc /usr/lib64/crtn.o |
21e0cf96 | 120 | #else |
340074e9 | 121 | #define START_FILES pre-crt0.o /usr/lib/crt1.o /usr/lib/crti.o |
21e0cf96 CY |
122 | #define LIB_STANDARD -lgcc -lc -lgcc /usr/lib/crtn.o |
123 | #endif | |
ab5796a9 | 124 | |
d52c26e9 | 125 | #endif /* __FreeBSD__ */ |
d7e2a28f | 126 | #endif /* !i386 */ |
d52c26e9 | 127 | |
ab5796a9 MB |
128 | /* arch-tag: 8a5e001d-e12e-4692-a3a6-0b15ba271c6e |
129 | (do not change this comment) */ |