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source: vbox/trunk/src/libs/xpcom18a4/nsprpub/pr/include/md/_netbsd.h@ 1

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1/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
2/*
3 * The contents of this file are subject to the Mozilla Public
4 * License Version 1.1 (the "License"); you may not use this file
5 * except in compliance with the License. You may obtain a copy of
6 * the License at http://www.mozilla.org/MPL/
7 *
8 * Software distributed under the License is distributed on an "AS
9 * IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
10 * implied. See the License for the specific language governing
11 * rights and limitations under the License.
12 *
13 * The Original Code is the Netscape Portable Runtime (NSPR).
14 *
15 * The Initial Developer of the Original Code is Netscape
16 * Communications Corporation. Portions created by Netscape are
17 * Copyright (C) 1998-2000 Netscape Communications Corporation. All
18 * Rights Reserved.
19 *
20 * Contributor(s):
21 *
22 * Alternatively, the contents of this file may be used under the
23 * terms of the GNU General Public License Version 2 or later (the
24 * "GPL"), in which case the provisions of the GPL are applicable
25 * instead of those above. If you wish to allow use of your
26 * version of this file only under the terms of the GPL and not to
27 * allow others to use your version of this file under the MPL,
28 * indicate your decision by deleting the provisions above and
29 * replace them with the notice and other provisions required by
30 * the GPL. If you do not delete the provisions above, a recipient
31 * may use your version of this file under either the MPL or the
32 * GPL.
33 */
34
35#ifndef nspr_netbsd_defs_h___
36#define nspr_netbsd_defs_h___
37
38#include <sys/syscall.h>
39#include <sys/param.h> /* for __NetBSD_Version__ */
40
41#define PR_LINKER_ARCH "netbsd"
42#define _PR_SI_SYSNAME "NetBSD"
43#if defined(__i386__)
44#define _PR_SI_ARCHITECTURE "x86"
45#elif defined(__alpha__)
46#define _PR_SI_ARCHITECTURE "alpha"
47#elif defined(__m68k__)
48#define _PR_SI_ARCHITECTURE "m68k"
49#elif defined(__powerpc__)
50#define _PR_SI_ARCHITECTURE "powerpc"
51#elif defined(__sparc_v9__)
52#define _PR_SI_ARCHITECTURE "sparc64"
53#elif defined(__sparc__)
54#define _PR_SI_ARCHITECTURE "sparc"
55#elif defined(__mips__)
56#define _PR_SI_ARCHITECTURE "mips"
57#elif defined(__arm32__) || defined(__arm__) || defined(__armel__) \
58 || defined(__armeb__)
59#define _PR_SI_ARCHITECTURE "arm"
60#endif
61
62#if defined(__ELF__)
63#define PR_DLL_SUFFIX ".so"
64#else
65#define PR_DLL_SUFFIX ".so.1.0"
66#endif
67
68#define _PR_VMBASE 0x30000000
69#define _PR_STACK_VMBASE 0x50000000
70#define _MD_DEFAULT_STACK_SIZE 65536L
71#define _MD_MMAP_FLAGS MAP_PRIVATE
72
73#undef HAVE_STACK_GROWING_UP
74#define HAVE_DLL
75#define USE_DLFCN
76#define _PR_HAVE_SOCKADDR_LEN
77#define _PR_NO_LARGE_FILES
78#define _PR_STAT_HAS_ST_ATIMESPEC
79#define _PR_POLL_AVAILABLE
80#define _PR_USE_POLL
81#define _PR_HAVE_SYSV_SEMAPHORES
82#define PR_HAVE_SYSV_NAMED_SHARED_MEMORY
83
84#if __NetBSD_Version__ >= 105000000
85#define _PR_INET6
86#define _PR_HAVE_INET_NTOP
87#define _PR_HAVE_GETHOSTBYNAME2
88#define _PR_HAVE_GETADDRINFO
89#define _PR_INET6_PROBE
90#endif
91
92#if __NetBSD_Version__ >= 106370000
93/* NetBSD 1.6ZK */
94#define _PR_HAVE_GETPROTO_R
95#define _PR_HAVE_GETPROTO_R_INT
96#endif
97
98#define USE_SETJMP
99
100#ifndef _PR_PTHREADS
101#include <setjmp.h>
102
103#define PR_CONTEXT_TYPE sigjmp_buf
104
105#define CONTEXT(_th) ((_th)->md.context)
106
107/*
108** Initialize a thread context to run "_main()" when started
109*/
110#ifdef __i386__
111#define _MD_INIT_CONTEXT(_thread, _sp, _main, status) \
112{ \
113 sigsetjmp(CONTEXT(_thread), 1); \
114 CONTEXT(_thread)[2] = (unsigned char*) ((_sp) - 128); \
115 CONTEXT(_thread)[0] = (int) _main; \
116 *status = PR_TRUE; \
117}
118#define _MD_GET_SP(_thread) CONTEXT(_thread)[2]
119#endif
120#ifdef __sparc_v9__
121#define _MD_INIT_CONTEXT(_thread, _sp, _main, status) \
122{ \
123 sigsetjmp(CONTEXT(_thread), 1); \
124 CONTEXT(_thread)[1] = (unsigned char*) ((_sp) - 176 - 0x7ff); \
125 CONTEXT(_thread)[2] = (long) _main; \
126 CONTEXT(_thread)[3] = (long) _main + 4; \
127 *status = PR_TRUE; \
128}
129#define _MD_GET_SP(_thread) (CONTEXT(_thread)[2]+0x7ff)
130#elif defined(__sparc__)
131#define _MD_INIT_CONTEXT(_thread, _sp, _main, status) \
132{ \
133 sigsetjmp(CONTEXT(_thread), 1); \
134 CONTEXT(_thread)[2] = (unsigned char*) ((_sp) - 128); \
135 CONTEXT(_thread)[3] = (int) _main; \
136 CONTEXT(_thread)[4] = (int) _main + 4; \
137 *status = PR_TRUE; \
138}
139#define _MD_GET_SP(_thread) CONTEXT(_thread)[2]
140#endif
141#ifdef __powerpc__
142#define _MD_INIT_CONTEXT(_thread, _sp, _main, status) \
143{ \
144 sigsetjmp(CONTEXT(_thread), 1); \
145 CONTEXT(_thread)[3] = (unsigned char*) ((_sp) - 128); \
146 CONTEXT(_thread)[4] = (int) _main; \
147 *status = PR_TRUE; \
148}
149#define _MD_GET_SP(_thread) CONTEXT(_thread)[3]
150#endif
151#ifdef __m68k__
152#define _MD_INIT_CONTEXT(_thread, _sp, _main, status) \
153{ \
154 sigsetjmp(CONTEXT(_thread), 1); \
155 CONTEXT(_thread)[2] = (unsigned char*) ((_sp) - 128); \
156 CONTEXT(_thread)[5] = (int) _main; \
157 *status = PR_TRUE; \
158}
159#define _MD_GET_SP(_thread) CONTEXT(_thread)[2]
160#endif
161#ifdef __mips__
162#define _MD_INIT_CONTEXT(_thread, _sp, _main, status) \
163{ \
164 sigsetjmp(CONTEXT(_thread), 1); \
165 CONTEXT(_thread)[32] = (unsigned char*) ((_sp) - 128); \
166 CONTEXT(_thread)[2] = (int) _main; \
167 CONTEXT(_thread)[28] = (int) _main; \
168 *status = PR_TRUE; \
169}
170#define _MD_GET_SP(_thread) CONTEXT(_thread)[32]
171#endif
172#if defined(__arm32__) || defined(__arm__) || defined(__armel__) \
173 || defined(__armeb__)
174#define _MD_INIT_CONTEXT(_thread, _sp, _main, status) \
175{ \
176 sigsetjmp(CONTEXT(_thread), 1); \
177 CONTEXT(_thread)[23] = (unsigned char*) ((_sp) - 128); \
178 CONTEXT(_thread)[24] = (int) _main; \
179 *status = PR_TRUE; \
180}
181#define _MD_GET_SP(_thread) CONTEXT(_thread)[23]
182#endif
183#ifdef __alpha__
184#define _MD_INIT_CONTEXT(_thread, _sp, _main, status) \
185{ \
186 sigsetjmp(CONTEXT(_thread), 1); \
187 CONTEXT(_thread)[34] = (unsigned char*) ((_sp) - 128); \
188 CONTEXT(_thread)[2] = (long) _main; \
189 CONTEXT(_thread)[30] = (long) _main; \
190 CONTEXT(_thread)[31] = (long) _main; \
191 *status = PR_TRUE; \
192}
193#define _MD_GET_SP(_thread) CONTEXT(_thread)[34]
194#endif
195#ifndef _MD_INIT_CONTEXT
196#error "Need to define _MD_INIT_CONTEXT for this platform"
197#endif
198
199#define PR_NUM_GCREGS _JBLEN
200
201#define _MD_SWITCH_CONTEXT(_thread) \
202 if (!sigsetjmp(CONTEXT(_thread), 1)) { \
203 (_thread)->md.errcode = errno; \
204 _PR_Schedule(); \
205 }
206
207/*
208** Restore a thread context, saved by _MD_SWITCH_CONTEXT
209*/
210#define _MD_RESTORE_CONTEXT(_thread) \
211{ \
212 errno = (_thread)->md.errcode; \
213 _MD_SET_CURRENT_THREAD(_thread); \
214 siglongjmp(CONTEXT(_thread), 1); \
215}
216
217/* Machine-dependent (MD) data structures */
218
219struct _MDThread {
220 PR_CONTEXT_TYPE context;
221 int id;
222 int errcode;
223};
224
225struct _MDThreadStack {
226 PRInt8 notused;
227};
228
229struct _MDLock {
230 PRInt8 notused;
231};
232
233struct _MDSemaphore {
234 PRInt8 notused;
235};
236
237struct _MDCVar {
238 PRInt8 notused;
239};
240
241struct _MDSegment {
242 PRInt8 notused;
243};
244
245/*
246 * md-specific cpu structure field
247 */
248#define _PR_MD_MAX_OSFD FD_SETSIZE
249
250struct _MDCPU_Unix {
251 PRCList ioQ;
252 PRUint32 ioq_timeout;
253 PRInt32 ioq_max_osfd;
254 PRInt32 ioq_osfd_cnt;
255#ifndef _PR_USE_POLL
256 fd_set fd_read_set, fd_write_set, fd_exception_set;
257 PRInt16 fd_read_cnt[_PR_MD_MAX_OSFD],fd_write_cnt[_PR_MD_MAX_OSFD],
258 fd_exception_cnt[_PR_MD_MAX_OSFD];
259#else
260 struct pollfd *ioq_pollfds;
261 int ioq_pollfds_size;
262#endif /* _PR_USE_POLL */
263};
264
265#define _PR_IOQ(_cpu) ((_cpu)->md.md_unix.ioQ)
266#define _PR_ADD_TO_IOQ(_pq, _cpu) PR_APPEND_LINK(&_pq.links, &_PR_IOQ(_cpu))
267#define _PR_FD_READ_SET(_cpu) ((_cpu)->md.md_unix.fd_read_set)
268#define _PR_FD_READ_CNT(_cpu) ((_cpu)->md.md_unix.fd_read_cnt)
269#define _PR_FD_WRITE_SET(_cpu) ((_cpu)->md.md_unix.fd_write_set)
270#define _PR_FD_WRITE_CNT(_cpu) ((_cpu)->md.md_unix.fd_write_cnt)
271#define _PR_FD_EXCEPTION_SET(_cpu) ((_cpu)->md.md_unix.fd_exception_set)
272#define _PR_FD_EXCEPTION_CNT(_cpu) ((_cpu)->md.md_unix.fd_exception_cnt)
273#define _PR_IOQ_TIMEOUT(_cpu) ((_cpu)->md.md_unix.ioq_timeout)
274#define _PR_IOQ_MAX_OSFD(_cpu) ((_cpu)->md.md_unix.ioq_max_osfd)
275#define _PR_IOQ_OSFD_CNT(_cpu) ((_cpu)->md.md_unix.ioq_osfd_cnt)
276#define _PR_IOQ_POLLFDS(_cpu) ((_cpu)->md.md_unix.ioq_pollfds)
277#define _PR_IOQ_POLLFDS_SIZE(_cpu) ((_cpu)->md.md_unix.ioq_pollfds_size)
278
279#define _PR_IOQ_MIN_POLLFDS_SIZE(_cpu) 32
280
281struct _MDCPU {
282 struct _MDCPU_Unix md_unix;
283};
284
285#define _MD_INIT_LOCKS()
286#define _MD_NEW_LOCK(lock) PR_SUCCESS
287#define _MD_FREE_LOCK(lock)
288#define _MD_LOCK(lock)
289#define _MD_UNLOCK(lock)
290#define _MD_INIT_IO()
291#define _MD_IOQ_LOCK()
292#define _MD_IOQ_UNLOCK()
293
294#define _MD_INIT_RUNNING_CPU(cpu) _MD_unix_init_running_cpu(cpu)
295#define _MD_INIT_THREAD _MD_InitializeThread
296#define _MD_EXIT_THREAD(thread)
297#define _MD_SUSPEND_THREAD(thread) _MD_suspend_thread
298#define _MD_RESUME_THREAD(thread) _MD_resume_thread
299#define _MD_CLEAN_THREAD(_thread)
300
301#endif /* ! _PR_PTHREADS */
302
303#define _MD_EARLY_INIT _MD_EarlyInit
304#define _MD_FINAL_INIT _PR_UnixInit
305#define _MD_GET_INTERVAL _PR_UNIX_GetInterval
306#define _MD_INTERVAL_PER_SEC _PR_UNIX_TicksPerSecond
307
308/*
309 * We wrapped the select() call. _MD_SELECT refers to the built-in,
310 * unwrapped version.
311 */
312#define _MD_SELECT(nfds,r,w,e,tv) syscall(SYS_select,nfds,r,w,e,tv)
313#if defined(_PR_POLL_AVAILABLE)
314#include <poll.h>
315#define _MD_POLL(fds,nfds,timeout) syscall(SYS_poll,fds,nfds,timeout)
316#endif
317
318#if NetBSD1_3 == 1L
319typedef unsigned int nfds_t;
320#endif
321
322#endif /* nspr_netbsd_defs_h___ */
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