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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 |
| 219 struct _MDThread { |
| 220 PR_CONTEXT_TYPE context; |
| 221 int id; |
| 222 int errcode; |
| 223 }; |
| 224 |
| 225 struct _MDThreadStack { |
| 226 PRInt8 notused; |
| 227 }; |
| 228 |
| 229 struct _MDLock { |
| 230 PRInt8 notused; |
| 231 }; |
| 232 |
| 233 struct _MDSemaphore { |
| 234 PRInt8 notused; |
| 235 }; |
| 236 |
| 237 struct _MDCVar { |
| 238 PRInt8 notused; |
| 239 }; |
| 240 |
| 241 struct _MDSegment { |
| 242 PRInt8 notused; |
| 243 }; |
| 244 |
| 245 /* |
| 246 * md-specific cpu structure field |
| 247 */ |
| 248 #define _PR_MD_MAX_OSFD FD_SETSIZE |
| 249 |
| 250 struct _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 |
| 281 struct _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 |
| 319 typedef unsigned int nfds_t; |
| 320 #endif |
| 321 |
| 322 #endif /* nspr_netbsd_defs_h___ */ |
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