_netbsd.h revision 5821806d5e7f356e8fa4b058a389a808ea183019
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 199struct _MDThread { 200 PR_CONTEXT_TYPE context; 201 int id; 202 int errcode; 203}; 204 205struct _MDThreadStack { 206 PRInt8 notused; 207}; 208 209struct _MDLock { 210 PRInt8 notused; 211}; 212 213struct _MDSemaphore { 214 PRInt8 notused; 215}; 216 217struct _MDCVar { 218 PRInt8 notused; 219}; 220 221struct _MDSegment { 222 PRInt8 notused; 223}; 224 225/* 226 * md-specific cpu structure field 227 */ 228#define _PR_MD_MAX_OSFD FD_SETSIZE 229 230struct _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 261struct _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 299typedef unsigned int nfds_t; 300#endif 301 302#endif /* nspr_netbsd_defs_h___ */ 303