revert 1.9. Not approved.
[deliverable/binutils-gdb.git] / gdb / rdi-share / host.h
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c906108c
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1/*
2 * Copyright (C) 1995 Advanced RISC Machines Limited. All rights reserved.
3 *
4 * This software may be freely used, copied, modified, and distributed
5 * provided that the above copyright notice is preserved in all copies of the
6 * software.
7 */
8
9
10#ifndef _host_LOADED
11#define _host_LOADED 1
12
13#include <stdio.h>
14#include <stddef.h>
15#include <stdlib.h>
16
17#ifndef SEEK_SET
18# define SEEK_SET 0
19#endif
20#ifndef SEEK_CUR
21# define SEEK_CUR 1
22#endif
23#ifndef SEEK_END
24# define SEEK_END 2
25#endif
26
27/* The following for the benefit of compiling on SunOS */
28#ifndef offsetof
29# define offsetof(T, member) ((char *)&(((T *)0)->member) - (char *)0)
30#endif
31
32/* If under Cygwin, provide backwards compatibility with older
33 Cygwin compilers that don't define the current cpp define. */
34#ifdef __CYGWIN32__
35#ifndef __CYGWIN__
36#define __CYGWIN__
37#endif
38#endif
39
40#ifdef unix /* A temporary sop to older compilers */
41# ifndef __unix /* (good for long-term portability?) */
42# define __unix 1
43# endif
44#endif
45
46#ifdef __unix
47/* Generic unix -- hopefully a split into other variants will not be */
48/* needed. However, beware the 'bsd' test above and safe_toupper etc. */
49/* which cope with backwards (pre-posix/X/open) unix compatility. */
50# define COMPILING_ON_UNIX 1
51#endif
52#if defined(_WIN32)
53# define COMPILING_ON_WIN32 1
54# if !defined(__CYGWIN32__)
55# define COMPILING_ON_WINDOWS 1
56# endif
57#endif
58#if defined(_CONSOLE)
59# define COMPILING_ON_WINDOWS_CONSOLE 1
60# define COMPILING_ON_WINDOWS 1
61#endif
62#ifdef _MSC_VER
63# define COMPILING_ON_MSDOS 1
64# define COMPILING_ON_WINDOWS 1
65# if defined(__cplusplus)
66# define IMPLEMENT_BOOL_AS_INT 1 /* VC++ doesn't have 'bool' (yet) */
67# endif
68#endif
69/* The '(defined(__sparc) && defined(P_tmpdir) */
70/* && !defined(__svr4__))' is to detect gcc on SunOS. */
71/* C++ compilers don't have to define __STDC__ */
72#if (defined(__sparc) && defined(P_tmpdir))
73# if defined(__svr4__)
74# define COMPILING_ON_SOLARIS
75# else
76# define COMPILING_ON_SUNOS
77# endif
78#endif
79#ifdef __hppa
80# define COMPILING_ON_HPUX
81#endif
82
83/*
84 * The following typedefs may need alteration for obscure host machines.
85 */
86#if defined(__alpha) && defined(__osf__) /* =========================== */
87/* Under OSF the alpha has 64-bit pointers and 64-bit longs. */
88typedef int int32;
89typedef unsigned int unsigned32;
90/* IPtr and UPtr are 'ints of same size as pointer'. Do not use in */
91/* new code. Currently only used within 'ncc'. */
92typedef long int IPtr;
93typedef unsigned long int UPtr;
94
95#else /* all hosts except alpha under OSF ============================= */
96
97typedef long int int32;
98typedef unsigned long int unsigned32;
99/* IPtr and UPtr are 'ints of same size as pointer'. Do not use in */
100/* new code. Currently only used within 'ncc'. */
101#define IPtr int32
102#define UPtr unsigned32
103#endif /* ============================================================= */
104
105typedef short int int16;
106typedef unsigned short int unsigned16;
107typedef signed char int8;
108typedef unsigned char unsigned8;
109
110/* The following code defines the 'bool' type to be 'int' under C */
111/* and real 'bool' under C++. It also avoids warnings such as */
112/* C++ keyword 'bool' used as identifier. It can be overridden by */
113/* defining IMPLEMENT_BOOL_AS_ENUM or IMPLEMENT_BOOL_AS_INT. */
114#undef _bool
115
116#ifdef IMPLEMENT_BOOL_AS_ENUM
117 enum _bool { _false, _true };
118# define _bool enum _bool
119#elif defined(IMPLEMENT_BOOL_AS_INT) || !defined(__cplusplus)
120# define _bool int
121# define _false 0
122# define _true 1
123#endif
124
125#ifdef _bool
126# if defined(_MFC_VER) || defined(__CC_NORCROFT) /* When using MS Visual C/C++ v4.2 */
127# define bool _bool /* avoids "'bool' is reserved word" warning */
128# else
129 typedef _bool bool;
130# endif
131# define true _true
132# define false _false
133#endif
134
135#define YES true
136#define NO false
137#undef TRUE /* some OSF headers define as 1 */
138#define TRUE true
139#undef FALSE /* some OSF headers define as 1 */
140#define FALSE false
141
142/* 'uint' conflicts with some Unixen sys/types.h, so we now don't define it */
143typedef unsigned8 uint8;
144typedef unsigned16 uint16;
145typedef unsigned32 uint32;
146
147typedef unsigned Uint;
148typedef unsigned8 Uint8;
149typedef unsigned16 Uint16;
150typedef unsigned32 Uint32;
151
152#ifdef ALPHA_TASO_SHORT_ON_OSF /* was __alpha && __osf. */
153/* The following sets ArgvType for 64-bit pointers so that */
154/* DEC Unix (OSF) cc can be used with the -xtaso_short compiler option */
155/* to force pointers to be 32-bit. Not currently used since most/all */
156/* ARM tools accept 32 or 64 bit pointers transparently. See IPtr. */
157#pragma pointer_size (save)
158#pragma pointer_size (long)
159typedef char *ArgvType;
160#pragma pointer_size (restore)
161#else
162typedef char *ArgvType;
163#endif
164
165/*
166 * Rotate macros
167 */
168#define ROL_32(val, n) \
169((((unsigned32)(val) << (n)) | ((unsigned32)(val) >> (32-(n)))) & 0xFFFFFFFFL)
170#define ROR_32(val, n) \
171((((unsigned32)(val) >> (n)) | ((unsigned32)(val) << (32-(n)))) & 0xFFFFFFFFL)
172
173#ifdef COMPILING_ON_UNIX
174# define FOPEN_WB "w"
175# define FOPEN_RB "r"
176# define FOPEN_RWB "r+"
177# ifndef __STDC__ /* caveat RISCiX... */
178# define remove(file) unlink(file) /* a horrid hack, but probably best? */
179# endif
180#else
181# define FOPEN_WB "wb"
182# define FOPEN_RB "rb"
183# define FOPEN_RWB "rb+"
184#endif
185
186#ifndef FILENAME_MAX
187# define FILENAME_MAX 256
188#endif
189
190#if (!defined(__STDC__) && !defined(__cplusplus) && !defined(_MSC_VER)) || \
191 defined(COMPILING_ON_SUNOS)
192/* Use bcopy rather than memmove, as memmove is not available. */
193/* There does not seem to be a header for bcopy. */
194void bcopy(const char *src, char *dst, int length);
195# define memmove(d,s,l) bcopy(s,d,l)
196
197/* BSD/SUN don't have strtoul(), but then strtol() doesn't barf on */
198/* overflow as required by ANSI... This bodge is horrid. */
199# define strtoul(s, ptr, base) strtol(s, ptr, base)
200
201/* strtod is present in the C-library but is not in stdlib.h */
202extern double strtod(const char *str, char **ptr);
203#endif
204
205/* For systems that do not define EXIT_SUCCESS and EXIT_FAILURE */
206#ifndef EXIT_SUCCESS
207# define EXIT_SUCCESS 0
208#endif
209#ifndef EXIT_FAILURE
210# define EXIT_FAILURE 1
211#endif
212
213#ifndef IGNORE
214#define IGNORE(x) (x = x) /* Silence compiler warnings for unused arguments */
215#endif
216
217/* Define endian-ness of host */
218
219#if defined(__acorn) || defined(__mvs) || defined(_WIN32) || \
220 (defined(__alpha) && defined(__osf__))
221# define HOST_ENDIAN_LITTLE
222#elif defined(__sparc) || defined(macintosh)
223# define HOST_ENDIAN_BIG
224#else
225# define HOST_ENDIAN_UNKNOWN
226#endif
227
228#endif
229
230/* end of host.h */
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