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comparison src/m/windowsnt.h @ 442:abe6d1db359e r21-2-36

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Import from CVS: tag r21-2-36
author cvs
date Mon, 13 Aug 2007 11:35:02 +0200
parents 3ecd8885ac67
children 943eaba38521
comparison
equal deleted inserted replaced
441:72a7cfa4a488 442:abe6d1db359e
23 23
24 /* The following line tells the configuration script what sort of 24 /* The following line tells the configuration script what sort of
25 operating system this machine is likely to run. 25 operating system this machine is likely to run.
26 USUAL-OPSYS="<name of system .h file here, without the s- or .h>" */ 26 USUAL-OPSYS="<name of system .h file here, without the s- or .h>" */
27 27
28 /* Define NO_ARG_ARRAY if you cannot take the address of the first of a
29 * group of arguments and treat it as an array of the arguments. */
30
31 #define NO_ARG_ARRAY
32
33 /* Define WORD_MACHINE if addresses and such have
34 * to be corrected before they can be used as byte counts. */
35
36 #define WORD_MACHINE
37
38 /* Now define a symbol for the cpu type, if your compiler 28 /* Now define a symbol for the cpu type, if your compiler
39 does not define it automatically: 29 does not define it automatically:
40 Ones defined so far include vax, m68000, ns16000, pyramid, 30 Ones defined so far include vax, m68000, ns16000, pyramid,
41 orion, tahoe, APOLLO and many others */ 31 orion, tahoe, APOLLO and many others */
42
43 /* Use type int rather than a union, to represent Lisp_Object */
44 /* This is desirable for most machines. */
45
46 #define NO_UNION_TYPE
47
48 /* Define EXPLICIT_SIGN_EXTEND if XINT must explicitly sign-extend
49 the 24-bit bit field into an int. In other words, if bit fields
50 are always unsigned.
51
52 If you use NO_UNION_TYPE, this flag does not matter. */
53
54 #define EXPLICIT_SIGN_EXTEND
55
56 /* Data type of load average, as read out of kmem. */
57
58 #define LOAD_AVE_TYPE long
59
60 /* Convert that into an integer that is 100 for a load average of 1.0 */
61
62 #define LOAD_AVE_CVT(x) (int) (((double) (x)) * 100.0 / FSCALE)
63 32
64 /* Define CANNOT_DUMP on machines where unexec does not work. 33 /* Define CANNOT_DUMP on machines where unexec does not work.
65 Then the function dump-emacs will not be defined 34 Then the function dump-emacs will not be defined
66 and temacs will do (load "loadup") automatically unless told otherwise. */ 35 and temacs will do (load "loadup") automatically unless told otherwise. */
67 36
68 /* 37 /*
69 #define CANNOT_DUMP 1 38 #define CANNOT_DUMP 1
70 #define CANNOT_UNEXEC 1 39 #define CANNOT_UNEXEC 1
71 */ 40 */
72 41
42 /* Do not define LOAD_AVE_TYPE or LOAD_AVE_CVT
43 since there is no load average available. */
44
73 /* Start and end of text and data. */ 45 /* Start and end of text and data. */
74 #define DATA_END get_data_end () 46 #define DATA_END get_data_end ()
75 #define DATA_START get_data_start () 47 #define DATA_START get_data_start ()
76
77 /* Define VIRT_ADDR_VARIES if the virtual addresses of
78 pure and impure space as loaded can vary, and even their
79 relative order cannot be relied on.
80
81 Otherwise Emacs assumes that text space precedes data space,
82 numerically. */
83
84 /* Text does precede data space, but this is never a safe assumption. */
85 #define VIRT_ADDR_VARIES
86 48
87 /* Define C_ALLOCA if this machine does not support a true alloca 49 /* Define C_ALLOCA if this machine does not support a true alloca
88 and the one written in C should be used instead. 50 and the one written in C should be used instead.
89 Define HAVE_ALLOCA to say that the system provides a properly 51 Define HAVE_ALLOCA to say that the system provides a properly
90 working alloca function and it should be used. 52 working alloca function and it should be used.
100 when Emacs is dumped. If you define this, the preloaded Lisp 62 when Emacs is dumped. If you define this, the preloaded Lisp
101 code will not be sharable; but that's better than failing completely. */ 63 code will not be sharable; but that's better than failing completely. */
102 64
103 /* #define NO_REMAP */ 65 /* #define NO_REMAP */
104 66
105 /* Some really obscure 4.2-based systems (like Sequent DYNIX)
106 * do not support asynchronous I/O (using SIGIO) on sockets,
107 * even though it works fine on tty's. If you have one of
108 * these systems, define the following, and then use it in
109 * config.h (or elsewhere) to decide when (not) to use SIGIO.
110 *
111 * You'd think this would go in an operating-system description file,
112 * but since it only occurs on some, but not all, BSD systems, the
113 * reasonable place to select for it is in the machine description
114 * file.
115 */
116
117 /* #define NO_SOCK_SIGIO */
118
119 /* After adding support for a new system, modify the large case 67 /* After adding support for a new system, modify the large case
120 statement in the `configure' script to recognize reasonable 68 statement in the `configure' script to recognize reasonable
121 configuration names, and add a description of the system to 69 configuration names, and add a description of the system to
122 `etc/MACHINES'. 70 `etc/MACHINES'.
123 71