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3fa4ac47 | 1 | /* machine description file for AMD x86-64. |
4e6835db | 2 | Copyright (C) 2002, 2003, 2004, 2005, 2006, 2007 Free Software Foundation, Inc. |
3fa4ac47 AS |
3 | |
4 | This file is part of GNU Emacs. | |
5 | ||
6 | GNU Emacs is free software; you can redistribute it and/or modify | |
7 | it under the terms of the GNU General Public License as published by | |
8 | the Free Software Foundation; either version 2, or (at your option) | |
9 | any later version. | |
10 | ||
11 | GNU Emacs is distributed in the hope that it will be useful, | |
12 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
14 | GNU General Public License for more details. | |
15 | ||
16 | You should have received a copy of the GNU General Public License | |
17 | along with GNU Emacs; see the file COPYING. If not, write to | |
364c38d3 LK |
18 | the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, |
19 | Boston, MA 02110-1301, USA. */ | |
3fa4ac47 AS |
20 | |
21 | ||
177c0ea7 | 22 | /* The following line tells the configuration script what sort of |
3fa4ac47 AS |
23 | operating system this machine is likely to run. |
24 | USUAL-OPSYS="linux" */ | |
25 | ||
26 | #define BITS_PER_LONG 64 | |
27 | #define BITS_PER_EMACS_INT 64 | |
28 | ||
29 | /* Define WORDS_BIG_ENDIAN iff lowest-numbered byte in a word | |
30 | is the most significant byte. */ | |
31 | ||
32 | #undef WORDS_BIG_ENDIAN | |
33 | ||
34 | /* Define NO_ARG_ARRAY if you cannot take the address of the first of a | |
35 | * group of arguments and treat it as an array of the arguments. */ | |
36 | ||
37 | #define NO_ARG_ARRAY | |
38 | ||
39 | /* Define WORD_MACHINE if addresses and such have | |
40 | * to be corrected before they can be used as byte counts. */ | |
41 | ||
42 | /* #define WORD_MACHINE */ | |
43 | ||
44 | /* Now define a symbol for the cpu type, if your compiler | |
45 | does not define it automatically: | |
46 | Ones defined so far include vax, m68000, ns16000, pyramid, | |
47 | orion, tahoe, APOLLO and many others */ | |
48 | /* __x86_64 defined automatically. */ | |
49 | ||
50 | /* Use type int rather than a union, to represent Lisp_Object */ | |
51 | /* This is desirable for most machines. */ | |
52 | ||
53 | #define NO_UNION_TYPE | |
54 | ||
55 | /* Define the type to use. */ | |
56 | #define EMACS_INT long | |
57 | #define EMACS_UINT unsigned long | |
58 | #define SPECIAL_EMACS_INT | |
59 | ||
60 | /* Define EXPLICIT_SIGN_EXTEND if XINT must explicitly sign-extend | |
61 | the 24-bit bit field into an int. In other words, if bit fields | |
62 | are always unsigned. | |
63 | ||
64 | If you use NO_UNION_TYPE, this flag does not matter. */ | |
65 | ||
66 | #define EXPLICIT_SIGN_EXTEND | |
67 | ||
68 | /* Data type of load average, as read out of kmem. */ | |
69 | ||
70 | #define LOAD_AVE_TYPE long | |
71 | ||
72 | /* Convert that into an integer that is 100 for a load average of 1.0 */ | |
73 | ||
74 | #define LOAD_AVE_CVT(x) (int) (((double) (x)) * 100.0 / FSCALE) | |
75 | ||
76 | /* Define CANNOT_DUMP on machines where unexec does not work. | |
77 | Then the function dump-emacs will not be defined | |
78 | and temacs will do (load "loadup") automatically unless told otherwise. */ | |
79 | ||
80 | /* #define CANNOT_DUMP */ | |
81 | ||
82 | /* Define VIRT_ADDR_VARIES if the virtual addresses of | |
83 | pure and impure space as loaded can vary, and even their | |
84 | relative order cannot be relied on. | |
85 | ||
86 | Otherwise Emacs assumes that text space precedes data space, | |
87 | numerically. */ | |
88 | ||
89 | /* #define VIRT_ADDR_VARIES */ | |
90 | ||
91 | /* Define NO_REMAP if memory segmentation makes it not work well | |
92 | to change the boundary between the text section and data section | |
93 | when Emacs is dumped. If you define this, the preloaded Lisp | |
94 | code will not be sharable; but that's better than failing completely. */ | |
95 | ||
96 | /* #define NO_REMAP */ | |
97 | ||
98 | #define PNTR_COMPARISON_TYPE unsigned long | |
99 | ||
3fa4ac47 | 100 | /* Define XPNTR to avoid or'ing with DATA_SEG_BITS */ |
8d0485fa | 101 | #undef DATA_SEG_BITS |
3fa4ac47 | 102 | |
d52c26e9 KB |
103 | #ifdef __FreeBSD__ |
104 | ||
105 | /* The libraries for binaries native to the build host's architecture are | |
106 | installed under /usr/lib in FreeBSD, and the ones that need special paths | |
107 | are 32-bit compatibility libraries (installed under /usr/lib32). To build | |
108 | a native binary of Emacs on FreeBSD/amd64 we can just point to /usr/lib. */ | |
109 | ||
110 | #undef START_FILES | |
111 | #define START_FILES pre-crt0.o /usr/lib/crt1.o /usr/lib/crti.o | |
112 | ||
113 | /* The duplicate -lgcc is intentional in the definition of LIB_STANDARD. | |
114 | The reason is that some functions in libgcc.a call functions from libc.a, | |
115 | and some libc.a functions need functions from libgcc.a. Since most | |
116 | versions of ld are one-pass linkers, we need to mention -lgcc twice, | |
117 | or else we risk getting unresolved externals. */ | |
118 | #undef LIB_STANDARD | |
119 | #define LIB_STANDARD -lgcc -lc -lgcc /usr/lib/crtn.o | |
120 | ||
1dbfd8e3 CY |
121 | #elif defined(__OpenBSD__) |
122 | ||
123 | #undef START_FILES | |
124 | #define START_FILES pre-crt0.o /usr/lib/crt0.o /usr/lib/crtbegin.o | |
125 | #undef LIB_STANDARD | |
126 | #define LIB_STANDARD -lgcc -lc -lgcc /usr/lib/crtend.o | |
127 | ||
253d464c EZ |
128 | #elif defined(__NetBSD__) |
129 | ||
130 | /* LIB_STANDARD and START_FILES set correctly in s/netbsd.h */ | |
131 | ||
a15fc3c3 CY |
132 | #elif defined(sun) |
133 | ||
134 | #undef START_FILES | |
135 | #undef LIB_STANDARD | |
136 | ||
253d464c | 137 | #else /* !__OpenBSD__ && !__FreeBSD__ && !__NetBSD__ && !sun */ |
d52c26e9 | 138 | |
3fa4ac47 | 139 | #undef START_FILES |
21e0cf96 | 140 | #ifdef HAVE_X86_64_LIB64_DIR |
3fa4ac47 | 141 | #define START_FILES pre-crt0.o /usr/lib64/crt1.o /usr/lib64/crti.o |
21e0cf96 CY |
142 | #else |
143 | #define START_FILES pre-crt0.o /usr/lib/crt1.o /usr/lib/crti.o | |
144 | #endif | |
3fa4ac47 | 145 | |
d52c26e9 KB |
146 | /* The duplicate -lgcc is intentional in the definition of LIB_STANDARD. |
147 | The reason is that some functions in libgcc.a call functions from libc.a, | |
148 | and some libc.a functions need functions from libgcc.a. Since most | |
149 | versions of ld are one-pass linkers, we need to mention -lgcc twice, | |
150 | or else we risk getting unresolved externals. */ | |
3fa4ac47 | 151 | #undef LIB_STANDARD |
21e0cf96 | 152 | #ifdef HAVE_X86_64_LIB64_DIR |
3fa4ac47 | 153 | #define LIB_STANDARD -lgcc -lc -lgcc /usr/lib64/crtn.o |
21e0cf96 CY |
154 | #else |
155 | #define LIB_STANDARD -lgcc -lc -lgcc /usr/lib/crtn.o | |
156 | #endif | |
ab5796a9 | 157 | |
d52c26e9 KB |
158 | #endif /* __FreeBSD__ */ |
159 | ||
ab5796a9 MB |
160 | /* arch-tag: 8a5e001d-e12e-4692-a3a6-0b15ba271c6e |
161 | (do not change this comment) */ |