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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_xhppa_defs_h___ | |
| 36 #define nspr_xhppa_defs_h___ | |
| 37 | |
| 38 /* | |
| 39 * Internal configuration macros | |
| 40 */ | |
| 41 | |
| 42 #define PR_LINKER_ARCH "hpux" | |
| 43 #define _PR_SI_SYSNAME "HPUX" | |
| 44 #define _PR_SI_ARCHITECTURE "hppa1.1" | |
| 45 #define PR_DLL_SUFFIX ".sl" | |
| 46 | |
| 47 #define _PR_VMBASE 0x30000000 | |
| 48 #define _PR_STACK_VMBASE 0x50000000 | |
| 49 /* | |
| 50 * _USE_BIG_FDS increases the size of fd_set from 256 bytes to | |
| 51 * about 7500 bytes. PR_Poll allocates three fd_sets on the | |
| 52 * stack, so it is safer to also increase the default thread | |
| 53 * stack size. | |
| 54 */ | |
| 55 #define _MD_DEFAULT_STACK_SIZE (2*65536L) | |
| 56 #define _MD_MINIMUM_STACK_SIZE (2*65536L) | |
| 57 #define _MD_MMAP_FLAGS MAP_PRIVATE | |
| 58 | |
| 59 #define NEED_TIME_R | |
| 60 | |
| 61 #define HAVE_STACK_GROWING_UP | |
| 62 #undef HAVE_WEAK_IO_SYMBOLS | |
| 63 #undef HAVE_WEAK_MALLOC_SYMBOLS | |
| 64 #define HAVE_DLL | |
| 65 #ifdef IS_64 | |
| 66 #define USE_DLFCN | |
| 67 #else | |
| 68 #define USE_HPSHL | |
| 69 #endif | |
| 70 #ifndef HAVE_STRERROR | |
| 71 #define HAVE_STRERROR | |
| 72 #endif | |
| 73 #define _PR_POLL_AVAILABLE | |
| 74 #define _PR_USE_POLL | |
| 75 #define _PR_STAT_HAS_ONLY_ST_ATIME | |
| 76 #define _PR_HAVE_POSIX_SEMAPHORES | |
| 77 #define PR_HAVE_POSIX_NAMED_SHARED_MEMORY | |
| 78 #define _PR_ACCEPT_INHERIT_NONBLOCK | |
| 79 | |
| 80 #undef _PR_HAVE_ATOMIC_OPS | |
| 81 | |
| 82 #ifdef _PR_INET6 | |
| 83 #define _PR_HAVE_INET_NTOP | |
| 84 #define _PR_HAVE_GETIPNODEBYNAME | |
| 85 #define _PR_HAVE_GETIPNODEBYADDR | |
| 86 #define _PR_HAVE_GETADDRINFO | |
| 87 #define _PR_INET6_PROBE | |
| 88 #endif | |
| 89 | |
| 90 #if !defined(_PR_PTHREADS) | |
| 91 | |
| 92 #include <syscall.h> | |
| 93 #include <setjmp.h> | |
| 94 | |
| 95 #define USE_SETJMP | |
| 96 | |
| 97 #define _MD_GET_SP(_t) (*((int *)((_t)->md.jb) + 1)) | |
| 98 #define PR_NUM_GCREGS _JBLEN | |
| 99 /* Caveat: This makes jmp_buf full of doubles. */ | |
| 100 #define CONTEXT(_th) ((_th)->md.jb) | |
| 101 | |
| 102 /* Stack needs two frames (64 bytes) at the bottom */ \ | |
| 103 #define _MD_SET_THR_SP(_t, _sp) ((_MD_GET_SP(_t)) = (int) (_sp + 64 *2)) | |
| 104 #define SAVE_CONTEXT(_th) _setjmp(CONTEXT(_th)) | |
| 105 #define GOTO_CONTEXT(_th) _longjmp(CONTEXT(_th), 1) | |
| 106 | |
| 107 #if !defined(PTHREADS_USER) | |
| 108 | |
| 109 #define _MD_INIT_CONTEXT(_thread, _sp, _main, status) \ | |
| 110 { \ | |
| 111 *(status) = PR_TRUE; \ | |
| 112 if (_setjmp(CONTEXT(_thread))) (*_main)(); \ | |
| 113 /* Stack needs two frames (64 bytes) at the bottom */ \ | |
| 114 (_MD_GET_SP(_thread)) = (int) ((_sp) + 64*2); \ | |
| 115 } | |
| 116 | |
| 117 #define _MD_SWITCH_CONTEXT(_thread) \ | |
| 118 if (!_setjmp(CONTEXT(_thread))) { \ | |
| 119 (_thread)->md.errcode = errno; \ | |
| 120 _PR_Schedule(); \ | |
| 121 } | |
| 122 | |
| 123 /* | |
| 124 ** Restore a thread context, saved by _MD_SWITCH_CONTEXT | |
| 125 */ | |
| 126 #define _MD_RESTORE_CONTEXT(_thread) \ | |
| 127 { \ | |
| 128 errno = (_thread)->md.errcode; \ | |
| 129 _MD_SET_CURRENT_THREAD(_thread); \ | |
| 130 _longjmp(CONTEXT(_thread), 1); \ | |
| 131 } | |
| 132 | |
| 133 /* Machine-dependent (MD) data structures. HP-UX has no native threads. */ | |
| 134 | |
| 135 struct _MDThread { | |
| 136 jmp_buf jb; | |
| 137 int id; | |
| 138 int errcode; | |
| 139 }; | |
| 140 | |
| 141 struct _MDThreadStack { | |
| 142 PRInt8 notused; | |
| 143 }; | |
| 144 | |
| 145 struct _MDLock { | |
| 146 PRInt8 notused; | |
| 147 }; | |
| 148 | |
| 149 struct _MDSemaphore { | |
| 150 PRInt8 notused; | |
| 151 }; | |
| 152 | |
| 153 struct _MDCVar { | |
| 154 PRInt8 notused; | |
| 155 }; | |
| 156 | |
| 157 struct _MDSegment { | |
| 158 PRInt8 notused; | |
| 159 }; | |
| 160 | |
| 161 /* | |
| 162 * md-specific cpu structure field | |
| 163 */ | |
| 164 #define _PR_MD_MAX_OSFD FD_SETSIZE | |
| 165 | |
| 166 struct _MDCPU_Unix { | |
| 167 PRCList ioQ; | |
| 168 PRUint32 ioq_timeout; | |
| 169 PRInt32 ioq_max_osfd; | |
| 170 PRInt32 ioq_osfd_cnt; | |
| 171 #ifndef _PR_USE_POLL | |
| 172 fd_set fd_read_set, fd_write_set, fd_exception_set; | |
| 173 PRInt16 fd_read_cnt[_PR_MD_MAX_OSFD],fd_write_cnt[_PR_MD_MAX_OSFD], | |
| 174 fd_exception_cnt[_PR_MD_MAX_OSFD]; | |
| 175 #else | |
| 176 struct pollfd *ioq_pollfds; | |
| 177 int ioq_pollfds_size; | |
| 178 #endif /* _PR_USE_POLL */ | |
| 179 }; | |
| 180 | |
| 181 #define _PR_IOQ(_cpu) ((_cpu)->md.md_unix.ioQ) | |
| 182 #define _PR_ADD_TO_IOQ(_pq, _cpu) PR_APPEND_LINK(&_pq.links, &_PR_IOQ(_cpu)) | |
| 183 #define _PR_FD_READ_SET(_cpu) ((_cpu)->md.md_unix.fd_read_set) | |
| 184 #define _PR_FD_READ_CNT(_cpu) ((_cpu)->md.md_unix.fd_read_cnt) | |
| 185 #define _PR_FD_WRITE_SET(_cpu) ((_cpu)->md.md_unix.fd_write_set) | |
| 186 #define _PR_FD_WRITE_CNT(_cpu) ((_cpu)->md.md_unix.fd_write_cnt) | |
| 187 #define _PR_FD_EXCEPTION_SET(_cpu) ((_cpu)->md.md_unix.fd_exception_set) | |
| 188 #define _PR_FD_EXCEPTION_CNT(_cpu) ((_cpu)->md.md_unix.fd_exception_cnt) | |
| 189 #define _PR_IOQ_TIMEOUT(_cpu) ((_cpu)->md.md_unix.ioq_timeout) | |
| 190 #define _PR_IOQ_MAX_OSFD(_cpu) ((_cpu)->md.md_unix.ioq_max_osfd) | |
| 191 #define _PR_IOQ_OSFD_CNT(_cpu) ((_cpu)->md.md_unix.ioq_osfd_cnt) | |
| 192 #define _PR_IOQ_POLLFDS(_cpu) ((_cpu)->md.md_unix.ioq_pollfds) | |
| 193 #define _PR_IOQ_POLLFDS_SIZE(_cpu) ((_cpu)->md.md_unix.ioq_pollfds_size) | |
| 194 | |
| 195 #define _PR_IOQ_MIN_POLLFDS_SIZE(_cpu) 32 | |
| 196 | |
| 197 struct _MDCPU { | |
| 198 struct _MDCPU_Unix md_unix; | |
| 199 }; | |
| 200 | |
| 201 #define _MD_INIT_LOCKS() | |
| 202 #define _MD_NEW_LOCK(lock) PR_SUCCESS | |
| 203 #define _MD_FREE_LOCK(lock) | |
| 204 #define _MD_LOCK(lock) | |
| 205 #define _MD_UNLOCK(lock) | |
| 206 #define _MD_INIT_IO() | |
| 207 #define _MD_IOQ_LOCK() | |
| 208 #define _MD_IOQ_UNLOCK() | |
| 209 | |
| 210 #define _MD_INIT_RUNNING_CPU(cpu) _MD_unix_init_running_cpu(cpu) | |
| 211 #define _MD_INIT_THREAD _MD_InitializeThread | |
| 212 #define _MD_EXIT_THREAD(thread) | |
| 213 #define _MD_SUSPEND_THREAD(thread) _MD_suspend_thread | |
| 214 #define _MD_RESUME_THREAD(thread) _MD_resume_thread | |
| 215 #define _MD_CLEAN_THREAD(_thread) | |
| 216 | |
| 217 #else /* PTHREADS_USER */ | |
| 218 | |
| 219 #include "_nspr_pthread.h" | |
| 220 | |
| 221 #endif /* PTHREADS_USER */ | |
| 222 | |
| 223 #endif /* !defined(_PR_PTHREADS) */ | |
| 224 | |
| 225 #if !defined(PTHREADS_USER) | |
| 226 #define _MD_EARLY_INIT _MD_EarlyInit | |
| 227 #define _MD_FINAL_INIT _PR_UnixInit | |
| 228 #endif | |
| 229 | |
| 230 #if defined(HPUX_LW_TIMER) | |
| 231 extern void _PR_HPUX_LW_IntervalInit(void); | |
| 232 extern PRIntervalTime _PR_HPUX_LW_GetInterval(void); | |
| 233 #define _MD_INTERVAL_INIT _PR_HPUX_LW_IntervalInit | |
| 234 #define _MD_GET_INTERVAL _PR_HPUX_LW_GetInterval | |
| 235 #define _MD_INTERVAL_PER_SEC() 1000 | |
| 236 #else | |
| 237 #define _MD_GET_INTERVAL _PR_UNIX_GetInterval | |
| 238 #define _MD_INTERVAL_PER_SEC _PR_UNIX_TicksPerSecond | |
| 239 #endif | |
| 240 | |
| 241 /* | |
| 242 * We wrapped the select() call. _MD_SELECT refers to the built-in, | |
| 243 * unwrapped version. | |
| 244 */ | |
| 245 #define _MD_SELECT(nfds,r,w,e,tv) syscall(SYS_select,nfds,r,w,e,tv) | |
| 246 | |
| 247 #include <poll.h> | |
| 248 #define _MD_POLL(fds,nfds,timeout) syscall(SYS_poll,fds,nfds,timeout) | |
| 249 | |
| 250 #ifdef HPUX11 | |
| 251 extern void _MD_hpux_map_sendfile_error(int err); | |
| 252 #endif /* HPUX11 */ | |
| 253 | |
| 254 #endif /* nspr_xhppa_defs_h___ */ | |
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