third_party/npapi/npspy/extern/nspr/md/_netbsd.h

   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__)
  52 #define _PR_SI_ARCHITECTURE "sparc"
  53 #elif defined(__mips__)
  54 #define _PR_SI_ARCHITECTURE "mips"
  55 #elif defined(__arm32__)
  56 #define _PR_SI_ARCHITECTURE "arm32"
  57 #endif
  58
  59 #if defined(__ELF__)
  60 #define PR_DLL_SUFFIX           ".so"
  61 #else
  62 #define PR_DLL_SUFFIX           ".so.1.0"
  63 #endif
  64
  65 #define _PR_VMBASE              0x30000000
  66 #define _PR_STACK_VMBASE        0x50000000
  67 #define _MD_DEFAULT_STACK_SIZE  65536L
  68 #define _MD_MMAP_FLAGS          MAP_PRIVATE
  69
  70 #undef  HAVE_STACK_GROWING_UP
  71 #define HAVE_DLL
  72 #define USE_DLFCN
  73 #define _PR_HAVE_SOCKADDR_LEN
  74 #define _PR_NO_LARGE_FILES
  75 #define _PR_STAT_HAS_ST_ATIMESPEC
  76 #define _PR_POLL_AVAILABLE
  77 #define _PR_USE_POLL
  78 #define _PR_HAVE_SYSV_SEMAPHORES
  79 #define PR_HAVE_SYSV_NAMED_SHARED_MEMORY
  80
  81 #if __NetBSD_Version__ >= 105000000
  82 #define _PR_INET6
  83 #define _PR_HAVE_INET_NTOP
  84 #define _PR_HAVE_GETHOSTBYNAME2
  85 #define _PR_HAVE_GETADDRINFO
  86 #define _PR_INET6_PROBE
  87 #endif
  88
  89 #define USE_SETJMP
  90
  91 #ifndef _PR_PTHREADS
  92 #include <setjmp.h>
  93
  94 #define PR_CONTEXT_TYPE sigjmp_buf
  95
  96 #define CONTEXT(_th) ((_th)->md.context)
  97
  98 /*
  99 ** Initialize a thread context to run "_main()" when started
 100 */
 101 #ifdef __i386__
 102 #define _MD_INIT_CONTEXT(_thread, _sp, _main, status)                   \
 103 {                                                                       \
 104     sigsetjmp(CONTEXT(_thread), 1);                                     \
 105     CONTEXT(_thread)[2] = (unsigned char*) ((_sp) - 128);               \
 106     CONTEXT(_thread)[0] = (int) _main;                                  \
 107     *status = PR_TRUE;                                                  \
 108 }
 109 #define _MD_GET_SP(_thread)     CONTEXT(_thread)[2]
 110 #endif
 111 #ifdef __sparc__
 112 #define _MD_INIT_CONTEXT(_thread, _sp, _main, status)                   \
 113 {                                                                       \
 114     sigsetjmp(CONTEXT(_thread), 1);                                     \
 115     CONTEXT(_thread)[2] = (unsigned char*) ((_sp) - 128);               \
 116     CONTEXT(_thread)[3] = (int) _main;                                  \
 117     CONTEXT(_thread)[4] = (int) _main + 4;                              \
 118     *status = PR_TRUE;                                                  \
 119 }
 120 #define _MD_GET_SP(_thread)     CONTEXT(_thread)[2]
 121 #endif
 122 #ifdef __powerpc__
 123 #define _MD_INIT_CONTEXT(_thread, _sp, _main, status)                   \
 124 {                                                                       \
 125     sigsetjmp(CONTEXT(_thread), 1);                                     \
 126     CONTEXT(_thread)[3] = (unsigned char*) ((_sp) - 128);               \
 127     CONTEXT(_thread)[4] = (int) _main;                                  \
 128     *status = PR_TRUE;                                                  \
 129 }
 130 #define _MD_GET_SP(_thread)     CONTEXT(_thread)[3]
 131 #endif
 132 #ifdef __m68k__
 133 #define _MD_INIT_CONTEXT(_thread, _sp, _main, status)                   \
 134 {                                                                       \
 135     sigsetjmp(CONTEXT(_thread), 1);                                     \
 136     CONTEXT(_thread)[2] = (unsigned char*) ((_sp) - 128);               \
 137     CONTEXT(_thread)[5] = (int) _main;                                  \
 138     *status = PR_TRUE;                                                  \
 139 }
 140 #define _MD_GET_SP(_thread)     CONTEXT(_thread)[2]
 141 #endif
 142 #ifdef __mips__
 143 #define _MD_INIT_CONTEXT(_thread, _sp, _main, status)                   \
 144 {                                                                       \
 145     sigsetjmp(CONTEXT(_thread), 1);                                     \
 146     CONTEXT(_thread)[32] = (unsigned char*) ((_sp) - 128);              \
 147     CONTEXT(_thread)[2] = (int) _main;                                  \
 148     CONTEXT(_thread)[28] = (int) _main;                                 \
 149     *status = PR_TRUE;                                                  \
 150 }
 151 #define _MD_GET_SP(_thread)     CONTEXT(_thread)[32]
 152 #endif
 153 #ifdef __arm32__
 154 #define _MD_INIT_CONTEXT(_thread, _sp, _main, status)                   \
 155 {                                                                       \
 156     sigsetjmp(CONTEXT(_thread), 1);                                     \
 157     CONTEXT(_thread)[23] = (unsigned char*) ((_sp) - 128);              \
 158     CONTEXT(_thread)[24] = (int) _main;                                 \
 159     *status = PR_TRUE;                                                  \
 160 }
 161 #define _MD_GET_SP(_thread)     CONTEXT(_thread)[23]
 162 #endif
 163 #ifdef __alpha__
 164 #define _MD_INIT_CONTEXT(_thread, _sp, _main, status)                   \
 165 {                                                                       \
 166     sigsetjmp(CONTEXT(_thread), 1);                                     \
 167     CONTEXT(_thread)[34] = (unsigned char*) ((_sp) - 128);              \
 168     CONTEXT(_thread)[2] = (long) _main;                                 \
 169     CONTEXT(_thread)[30] = (long) _main;                                \
 170     CONTEXT(_thread)[31] = (long) _main;                                \
 171     *status = PR_TRUE;                                                  \
 172 }
 173 #define _MD_GET_SP(_thread)     CONTEXT(_thread)[34]
 174 #endif
 175 #ifndef _MD_INIT_CONTEXT
 176 #error "Need to define _MD_INIT_CONTEXT for this platform"
 177 #endif
 178
 179 #define PR_NUM_GCREGS   _JBLEN
 180
 181 #define _MD_SWITCH_CONTEXT(_thread)  \
 182     if (!sigsetjmp(CONTEXT(_thread), 1)) {  \
 183         (_thread)->md.errcode = errno;  \
 184         _PR_Schedule();  \
 185     }
 186
 187 /*
 188 ** Restore a thread context, saved by _MD_SWITCH_CONTEXT
 189 */
 190 #define _MD_RESTORE_CONTEXT(_thread) \
 191 {   \
 192     errno = (_thread)->md.errcode;  \
 193     _MD_SET_CURRENT_THREAD(_thread);  \
 194     siglongjmp(CONTEXT(_thread), 1);  \
 195 }
 196
 197 /* Machine-dependent (MD) data structures */
 198
 199 struct _MDThread {
 200     PR_CONTEXT_TYPE context;
 201     int id;
 202     int errcode;
 203 };
 204
 205 struct _MDThreadStack {
 206     PRInt8 notused;
 207 };
 208
 209 struct _MDLock {
 210     PRInt8 notused;
 211 };
 212
 213 struct _MDSemaphore {
 214     PRInt8 notused;
 215 };
 216
 217 struct _MDCVar {
 218     PRInt8 notused;
 219 };
 220
 221 struct _MDSegment {
 222     PRInt8 notused;
 223 };
 224
 225 /*
 226  * md-specific cpu structure field
 227  */
 228 #define _PR_MD_MAX_OSFD FD_SETSIZE
 229
 230 struct _MDCPU_Unix {
 231     PRCList ioQ;
 232     PRUint32 ioq_timeout;
 233     PRInt32 ioq_max_osfd;
 234     PRInt32 ioq_osfd_cnt;
 235 #ifndef _PR_USE_POLL
 236     fd_set fd_read_set, fd_write_set, fd_exception_set;
 237     PRInt16 fd_read_cnt[_PR_MD_MAX_OSFD],fd_write_cnt[_PR_MD_MAX_OSFD],
 238                                 fd_exception_cnt[_PR_MD_MAX_OSFD];
 239 #else
 240         struct pollfd *ioq_pollfds;
 241         int ioq_pollfds_size;
 242 #endif  /* _PR_USE_POLL */
 243 };
 244
 245 #define _PR_IOQ(_cpu)                   ((_cpu)->md.md_unix.ioQ)
 246 #define _PR_ADD_TO_IOQ(_pq, _cpu) PR_APPEND_LINK(&_pq.links, &_PR_IOQ(_cpu))
 247 #define _PR_FD_READ_SET(_cpu)           ((_cpu)->md.md_unix.fd_read_set)
 248 #define _PR_FD_READ_CNT(_cpu)           ((_cpu)->md.md_unix.fd_read_cnt)
 249 #define _PR_FD_WRITE_SET(_cpu)          ((_cpu)->md.md_unix.fd_write_set)
 250 #define _PR_FD_WRITE_CNT(_cpu)          ((_cpu)->md.md_unix.fd_write_cnt)
 251 #define _PR_FD_EXCEPTION_SET(_cpu)      ((_cpu)->md.md_unix.fd_exception_set)
 252 #define _PR_FD_EXCEPTION_CNT(_cpu)      ((_cpu)->md.md_unix.fd_exception_cnt)
 253 #define _PR_IOQ_TIMEOUT(_cpu)           ((_cpu)->md.md_unix.ioq_timeout)
 254 #define _PR_IOQ_MAX_OSFD(_cpu)          ((_cpu)->md.md_unix.ioq_max_osfd)
 255 #define _PR_IOQ_OSFD_CNT(_cpu)          ((_cpu)->md.md_unix.ioq_osfd_cnt)
 256 #define _PR_IOQ_POLLFDS(_cpu)           ((_cpu)->md.md_unix.ioq_pollfds)
 257 #define _PR_IOQ_POLLFDS_SIZE(_cpu)      ((_cpu)->md.md_unix.ioq_pollfds_size)
 258
 259 #define _PR_IOQ_MIN_POLLFDS_SIZE(_cpu)  32
 260
 261 struct _MDCPU {
 262     struct _MDCPU_Unix md_unix;
 263 };
 264
 265 #define _MD_INIT_LOCKS()
 266 #define _MD_NEW_LOCK(lock) PR_SUCCESS
 267 #define _MD_FREE_LOCK(lock)
 268 #define _MD_LOCK(lock)
 269 #define _MD_UNLOCK(lock)
 270 #define _MD_INIT_IO()
 271 #define _MD_IOQ_LOCK()
 272 #define _MD_IOQ_UNLOCK()
 273
 274 #define _MD_INIT_RUNNING_CPU(cpu)       _MD_unix_init_running_cpu(cpu)
 275 #define _MD_INIT_THREAD                 _MD_InitializeThread
 276 #define _MD_EXIT_THREAD(thread)
 277 #define _MD_SUSPEND_THREAD(thread)      _MD_suspend_thread
 278 #define _MD_RESUME_THREAD(thread)       _MD_resume_thread
 279 #define _MD_CLEAN_THREAD(_thread)
 280
 281 #endif /* ! _PR_PTHREADS */
 282
 283 #define _MD_EARLY_INIT                  _MD_EarlyInit
 284 #define _MD_FINAL_INIT                  _PR_UnixInit
 285 #define _MD_GET_INTERVAL                  _PR_UNIX_GetInterval
 286 #define _MD_INTERVAL_PER_SEC              _PR_UNIX_TicksPerSecond
 287
 288 /*
 289  * We wrapped the select() call.  _MD_SELECT refers to the built-in,
 290  * unwrapped version.
 291  */
 292 #define _MD_SELECT(nfds,r,w,e,tv) syscall(SYS_select,nfds,r,w,e,tv)
 293 #if defined(_PR_POLL_AVAILABLE)
 294 #include <poll.h>
 295 #define _MD_POLL(fds,nfds,timeout) syscall(SYS_poll,fds,nfds,timeout)
 296 #endif
 297
 298 #if NetBSD1_3 == 1L
 299 typedef unsigned int nfds_t;
 300 #endif
 301
 302 #endif /* nspr_netbsd_defs_h___ */