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___ */ 303
