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Fix incorrect command for assember file generation on IA64
[thirdparty/openssl.git] / e_os2.h
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2a4a0a34 1/* e_os2.h */
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2/* ====================================================================
3 * Copyright (c) 1998-2000 The OpenSSL Project. All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 *
9 * 1. Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 *
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in
14 * the documentation and/or other materials provided with the
15 * distribution.
16 *
17 * 3. All advertising materials mentioning features or use of this
18 * software must display the following acknowledgment:
19 * "This product includes software developed by the OpenSSL Project
20 * for use in the OpenSSL Toolkit. (http://www.openssl.org/)"
21 *
22 * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
23 * endorse or promote products derived from this software without
24 * prior written permission. For written permission, please contact
25 * openssl-core@openssl.org.
26 *
27 * 5. Products derived from this software may not be called "OpenSSL"
28 * nor may "OpenSSL" appear in their names without prior written
29 * permission of the OpenSSL Project.
30 *
31 * 6. Redistributions of any form whatsoever must retain the following
32 * acknowledgment:
33 * "This product includes software developed by the OpenSSL Project
34 * for use in the OpenSSL Toolkit (http://www.openssl.org/)"
35 *
36 * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
37 * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
38 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
39 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
40 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
41 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
42 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
43 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
44 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
45 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
46 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
47 * OF THE POSSIBILITY OF SUCH DAMAGE.
48 * ====================================================================
49 *
50 * This product includes cryptographic software written by Eric Young
51 * (eay@cryptsoft.com). This product includes software written by Tim
52 * Hudson (tjh@cryptsoft.com).
53 *
54 */
2a4a0a34 55
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56#include <openssl/opensslconf.h>
57
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58#ifndef HEADER_E_OS2_H
59#define HEADER_E_OS2_H
60
61#ifdef __cplusplus
62extern "C" {
63#endif
64
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65/******************************************************************************
66 * Detect operating systems. This probably needs completing.
67 * The result is that at least one OPENSSL_SYS_os macro should be defined.
68 * However, if none is defined, Unix is assumed.
69 **/
70
71#define OPENSSL_SYS_UNIX
72
73/* ----------------------- Macintosh, before MacOS X ----------------------- */
74#if defined(__MWERKS__) && defined(macintosh) || defined(OPENSSL_SYSNAME_MAC)
75# undef OPENSSL_SYS_UNIX
76# define OPENSSL_SYS_MACINTOSH_CLASSIC
77#endif
78
79/* ---------------------- Microsoft operating systems ---------------------- */
80
81/* The 16 bit environments are pretty straightforward */
82#if defined(OPENSSL_SYSNAME_WIN16) || defined(OPENSSL_SYSNAME_MSDOS)
83# undef OPENSSL_SYS_UNIX
84# define OPENSSL_SYS_MSDOS
85#endif
86#if defined(OPENSSL_SYSNAME_WIN16)
87# undef OPENSSL_SYS_UNIX
88# define OPENSSL_SYS_WIN16
89#endif
90
91/* For 32 bit environment, there seems to be the CygWin environment and then
92 all the others that try to do the same thing Microsoft does... */
ab805194 93#if defined(OPENSSL_SYSNAME_UWIN)
cf1b7d96 94# undef OPENSSL_SYS_UNIX
ab805194 95# define OPENSSL_SYS_WIN32_UWIN
cf1b7d96 96#else
ab805194 97# if defined(__CYGWIN32__) || defined(OPENSSL_SYSNAME_CYGWIN32)
cf1b7d96 98# undef OPENSSL_SYS_UNIX
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99# define OPENSSL_SYS_WIN32_CYGWIN
100# else
101# if defined(_WIN32) || defined(OPENSSL_SYSNAME_WIN32)
102# undef OPENSSL_SYS_UNIX
103# define OPENSSL_SYS_WIN32
104# endif
105# if defined(OPENSSL_SYSNAME_WINNT)
106# undef OPENSSL_SYS_UNIX
107# define OPENSSL_SYS_WINNT
108# endif
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109# if defined(OPENSSL_SYSNAME_WINCE)
110# undef OPENSSL_SYS_UNIX
111# define OPENSSL_SYS_WINCE
112# endif
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113# endif
114#endif
115
116/* Anything that tries to look like Microsoft is "Windows" */
29ca1645 117#if defined(OPENSSL_SYS_WIN16) || defined(OPENSSL_SYS_WIN32) || defined(OPENSSL_SYS_WINNT) || defined(OPENSSL_SYS_WINCE)
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118# undef OPENSSL_SYS_UNIX
119# define OPENSSL_SYS_WINDOWS
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120# ifndef OPENSSL_SYS_MSDOS
121# define OPENSSL_SYS_MSDOS
122# endif
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123#endif
124
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125/* DLL settings. This part is a bit tough, because it's up to the application
126 implementor how he or she will link the application, so it requires some
127 macro to be used. */
128#ifdef OPENSSL_SYS_WINDOWS
129# ifndef OPENSSL_OPT_WINDLL
130# if defined(_WINDLL) /* This is used when building OpenSSL to indicate that
131 DLL linkage should be used */
132# define OPENSSL_OPT_WINDLL
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133# endif
134# endif
135#endif
136
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137/* -------------------------------- OpenVMS -------------------------------- */
138#if defined(__VMS) || defined(VMS) || defined(OPENSSL_SYSNAME_VMS)
139# undef OPENSSL_SYS_UNIX
140# define OPENSSL_SYS_VMS
141# if defined(__DECC)
142# define OPENSSL_SYS_VMS_DECC
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143# elif defined(__DECCXX)
144# define OPENSSL_SYS_VMS_DECC
145# define OPENSSL_SYS_VMS_DECCXX
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146# else
147# define OPENSSL_SYS_VMS_NODECC
148# endif
149#endif
150
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151/* --------------------------------- OS/2 ---------------------------------- */
152#if defined(__EMX__) || defined(__OS2__)
153# undef OPENSSL_SYS_UNIX
154# define OPENSSL_SYS_OS2
155#endif
156
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157/* --------------------------------- Unix ---------------------------------- */
158#ifdef OPENSSL_SYS_UNIX
1a19f83d 159# if defined(linux) || defined(__linux__) || defined(OPENSSL_SYSNAME_LINUX)
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160# define OPENSSL_SYS_LINUX
161# endif
162# ifdef OPENSSL_SYSNAME_MPE
163# define OPENSSL_SYS_MPE
164# endif
165# ifdef OPENSSL_SYSNAME_SNI
166# define OPENSSL_SYS_SNI
167# endif
168# ifdef OPENSSL_SYSNAME_ULTRASPARC
169# define OPENSSL_SYS_ULTRASPARC
170# endif
171# ifdef OPENSSL_SYSNAME_NEWS4
172# define OPENSSL_SYS_NEWS4
173# endif
174# ifdef OPENSSL_SYSNAME_MACOSX
175# define OPENSSL_SYS_MACOSX
176# endif
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177# ifdef OPENSSL_SYSNAME_MACOSX_RHAPSODY
178# define OPENSSL_SYS_MACOSX_RHAPSODY
179# define OPENSSL_SYS_MACOSX
180# endif
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181# ifdef OPENSSL_SYSNAME_SUNOS
182# define OPENSSL_SYS_SUNOS
183#endif
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184# if defined(_CRAY) || defined(OPENSSL_SYSNAME_CRAY)
185# define OPENSSL_SYS_CRAY
186# endif
187# if defined(_AIX) || defined(OPENSSL_SYSNAME_AIX)
188# define OPENSSL_SYS_AIX
189# endif
190#endif
191
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192/* --------------------------------- VOS ----------------------------------- */
193#ifdef OPENSSL_SYSNAME_VOS
194# define OPENSSL_SYS_VOS
195#endif
196
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197/* ------------------------------- VxWorks --------------------------------- */
198#ifdef OPENSSL_SYSNAME_VXWORKS
199# define OPENSSL_SYS_VXWORKS
200#endif
201
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202/**
203 * That's it for OS-specific stuff
204 *****************************************************************************/
205
206
207/* Specials for I/O an exit */
208#ifdef OPENSSL_SYS_MSDOS
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209# define OPENSSL_UNISTD_IO <io.h>
210# define OPENSSL_DECLARE_EXIT extern void exit(int);
211#else
212# define OPENSSL_UNISTD_IO OPENSSL_UNISTD
213# define OPENSSL_DECLARE_EXIT /* declared in unistd.h */
214#endif
215
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216/* Definitions of OPENSSL_GLOBAL and OPENSSL_EXTERN, to define and declare
217 certain global symbols that, with some compilers under VMS, have to be
218 defined and declared explicitely with globaldef and globalref.
219 Definitions of OPENSSL_EXPORT and OPENSSL_IMPORT, to define and declare
220 DLL exports and imports for compilers under Win32. These are a little
221 more complicated to use. Basically, for any library that exports some
222 global variables, the following code must be present in the header file
223 that declares them, before OPENSSL_EXTERN is used:
224
225 #ifdef SOME_BUILD_FLAG_MACRO
226 # undef OPENSSL_EXTERN
227 # define OPENSSL_EXTERN OPENSSL_EXPORT
228 #endif
229
230 The default is to have OPENSSL_EXPORT, OPENSSL_IMPORT and OPENSSL_GLOBAL
231 have some generally sensible values, and for OPENSSL_EXTERN to have the
232 value OPENSSL_IMPORT.
233*/
2a4a0a34 234
cf1b7d96 235#if defined(OPENSSL_SYS_VMS_NODECC)
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236# define OPENSSL_EXPORT globalref
237# define OPENSSL_IMPORT globalref
2a4a0a34 238# define OPENSSL_GLOBAL globaldef
5cac59b6 239#elif defined(OPENSSL_SYS_WINDOWS) && defined(OPENSSL_OPT_WINDLL)
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240# define OPENSSL_EXPORT extern __declspec(dllexport)
241# define OPENSSL_IMPORT extern __declspec(dllimport)
21cd4378 242# define OPENSSL_GLOBAL
2a4a0a34 243#else
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244# define OPENSSL_EXPORT extern
245# define OPENSSL_IMPORT extern
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246# define OPENSSL_GLOBAL
247#endif
21cd4378 248#define OPENSSL_EXTERN OPENSSL_IMPORT
2a4a0a34 249
62dc5aad 250/* Macros to allow global variables to be reached through function calls when
23a6dd83 251 required (if a shared library version requires it, for example.
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252 The way it's done allows definitions like this:
253
254 // in foobar.c
255 OPENSSL_IMPLEMENT_GLOBAL(int,foobar) = 0;
256 // in foobar.h
257 OPENSSL_DECLARE_GLOBAL(int,foobar);
258 #define foobar OPENSSL_GLOBAL_REF(foobar)
259*/
260#ifdef OPENSSL_EXPORT_VAR_AS_FUNCTION
e81ef01a 261# define OPENSSL_IMPLEMENT_GLOBAL(type,name) \
23a6dd83 262 extern type _hide_##name; \
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263 type *_shadow_##name(void) { return &_hide_##name; } \
264 static type _hide_##name
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265# define OPENSSL_DECLARE_GLOBAL(type,name) type *_shadow_##name(void)
266# define OPENSSL_GLOBAL_REF(name) (*(_shadow_##name()))
267#else
268# define OPENSSL_IMPLEMENT_GLOBAL(type,name) OPENSSL_GLOBAL type _shadow_##name
269# define OPENSSL_DECLARE_GLOBAL(type,name) OPENSSL_EXPORT type _shadow_##name
270# define OPENSSL_GLOBAL_REF(name) _shadow_##name
271#endif
272
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273#ifdef __cplusplus
274}
275#endif
276#endif