1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
|
$NetBSD: patch-be,v 1.2 1999/06/04 04:15:44 mycroft Exp $
--- /dev/null Fri Aug 28 13:20:16 1998
+++ src/m/arm.h Sun Aug 16 03:48:25 1998
@@ -0,0 +1,97 @@
+/* Machine description file for Acorn RISCiX machines.
+ Copyright (C) 1994 Free Software Foundation, Inc.
+
+This file is part of GNU Emacs.
+
+GNU Emacs is free software; you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation; either version 2, or (at your option)
+any later version.
+
+GNU Emacs is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with GNU Emacs; see the file COPYING. If not, write to
+the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+Boston, MA 02111-1307, USA. */
+
+
+
+/* Define WORDS_BIG_ENDIAN iff lowest-numbered byte in a word
+ is the most significant byte. */
+
+#undef WORDS_BIG_ENDIAN
+
+/* Define NO_ARG_ARRAY if you cannot take the address of the first of a
+ * group of arguments and treat it as an array of the arguments. We can't
+ * do this on the arm with gcc, since the first 4 args are in registers. */
+
+#ifdef __GNUC__
+#define NO_ARG_ARRAY
+#else
+#undef NO_ARG_ARRAY
+#endif
+
+/* Define WORD_MACHINE if addresses and such have
+ * to be corrected before they can be used as byte counts. */
+
+#undef WORD_MACHINE
+
+/* Define how to take a char and sign-extend into an int.
+ On machines where char is signed, this is a no-op. */
+
+/* ARM note - The RISCiX Norcroft C Compiler has ALL
+ non-32-bit types as unsigned */
+
+#define SIGN_EXTEND_CHAR(c) (((int)(c) << 24) >> 24)
+
+/* Now define a symbol for the cpu type, if your compiler
+ does not define it automatically:
+ Ones defined so far include vax, m68000, ns16000, pyramid,
+ orion, tahoe, APOLLO and many others */
+
+/* ARM note - this is done by the Norcroft compiler - symbol is `__arm' */
+
+/* Use type int rather than a union, to represent Lisp_Object */
+/* This is desirable for most machines. */
+
+#define NO_UNION_TYPE
+
+/* Define EXPLICIT_SIGN_EXTEND if XINT must explicitly sign-extend
+ the 24-bit bit field into an int. In other words, if bit fields
+ are always unsigned.
+
+ If you use NO_UNION_TYPE, this flag does not matter. */
+
+#define EXPLICIT_SIGN_EXTEND
+
+/* Define CANNOT_DUMP on machines where unexec does not work.
+ Then the function dump-emacs will not be defined
+ and temacs will do (load "loadup") automatically unless told otherwise. */
+
+#undef CANNOT_DUMP
+
+#ifdef __GNUC__
+
+/* Use builtin alloca. Also be sure that no other ones are tried out. */
+#define alloca __builtin_alloca
+#define HAVE_ALLOCA
+
+#else
+#define C_ALLOCA
+#undef HAVE_ALLOCA
+#endif /* __GNUC__ */
+
+/* Define NO_REMAP if memory segmentation makes it not work well
+ to change the boundary between the text section and data section
+ when Emacs is dumped. If you define this, the preloaded Lisp
+ code will not be sharable; but that's better than failing completely. */
+
+#define NO_REMAP
+
+
+/* For the portable alloca */
+#define STACK_DIRECTION -1
|
