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_openbsd_defs_h___ 36 #define nspr_openbsd_defs_h___ 37 38 #include <sys/syscall.h> 39 40 #define PR_LINKER_ARCH "openbsd" 41 #define _PR_SI_SYSNAME "OPENBSD" 42 #if defined(__i386__) 43 #define _PR_SI_ARCHITECTURE "x86" 44 #elif defined(__alpha__) 45 #define _PR_SI_ARCHITECTURE "alpha" 46 #elif defined(__amd64__) 47 #define _PR_SI_ARCHITECTURE "amd64" 48 #elif defined(__m68k__) 49 #define _PR_SI_ARCHITECTURE "m68k" 50 #elif defined(__powerpc__) 51 #define _PR_SI_ARCHITECTURE "powerpc" 52 #elif defined(__sparc__) 53 #define _PR_SI_ARCHITECTURE "sparc" 54 #endif 55 56 #define PR_DLL_SUFFIX ".so.1.0" 57 58 #define _PR_VMBASE 0x30000000 59 #define _PR_STACK_VMBASE 0x50000000 60 #define _MD_DEFAULT_STACK_SIZE 65536L 61 #define _MD_MMAP_FLAGS MAP_PRIVATE 62 63 #undef HAVE_STACK_GROWING_UP 64 #define HAVE_DLL 65 #define USE_DLFCN 66 #define _PR_HAVE_SOCKADDR_LEN 67 #define _PR_NO_LARGE_FILES 68 #define _PR_STAT_HAS_ST_ATIMESPEC 69 #define _PR_POLL_AVAILABLE 70 #define _PR_USE_POLL 71 #define _PR_HAVE_SYSV_SEMAPHORES 72 #define PR_HAVE_SYSV_NAMED_SHARED_MEMORY 73 74 #define _PR_INET6 75 #define _PR_HAVE_INET_NTOP 76 #define _PR_HAVE_GETHOSTBYNAME2 77 #define _PR_HAVE_GETADDRINFO 78 #define _PR_INET6_PROBE 79 80 #define USE_SETJMP 81 82 #ifndef _PR_PTHREADS 83 #include <setjmp.h> 84 85 #define PR_CONTEXT_TYPE sigjmp_buf 86 87 #define CONTEXT(_th) ((_th)->md.context) 88 89 #if defined(__i386__) || defined(__sparc__) || defined(__m68k__) 90 #define JB_SP_INDEX 2 91 #elif defined(__powerpc__) 92 #define JB_SP_INDEX 1 93 #elif defined(__alpha__) 94 #define JB_SP_INDEX 34 95 #elif defined(__amd64__) 96 #define JB_SP_INDEX 6 97 #else 98 #error "Need to define SP index in jmp_buf here" 99 #endif 100 #define _MD_GET_SP(_th) (_th)->md.context[JB_SP_INDEX] 101 102 #define PR_NUM_GCREGS _JBLEN 103 104 /* 105 ** Initialize a thread context to run "_main()" when started 106 */ 107 #define _MD_INIT_CONTEXT(_thread, _sp, _main, status) \ 108 { \ 109 *status = PR_TRUE; \ 110 if (sigsetjmp(CONTEXT(_thread), 1)) { \ 111 _main(); \ 112 } \ 113 _MD_GET_SP(_thread) = (unsigned char*) ((_sp) - 64); \ 114 } 115 116 #define _MD_SWITCH_CONTEXT(_thread) \ 117 if (!sigsetjmp(CONTEXT(_thread), 1)) { \ 118 (_thread)->md.errcode = errno; \ 119 _PR_Schedule(); \ 120 } 121 122 /* 123 ** Restore a thread context, saved by _MD_SWITCH_CONTEXT 124 */ 125 #define _MD_RESTORE_CONTEXT(_thread) \ 126 { \ 127 errno = (_thread)->md.errcode; \ 128 _MD_SET_CURRENT_THREAD(_thread); \ 129 siglongjmp(CONTEXT(_thread), 1); \ 130 } 131 132 /* Machine-dependent (MD) data structures */ 133 134 struct _MDThread { 135 PR_CONTEXT_TYPE context; 136 int id; 137 int errcode; 138 }; 139 140 struct _MDThreadStack { 141 PRInt8 notused; 142 }; 143 144 struct _MDLock { 145 PRInt8 notused; 146 }; 147 148 struct _MDSemaphore { 149 PRInt8 notused; 150 }; 151 152 struct _MDCVar { 153 PRInt8 notused; 154 }; 155 156 struct _MDSegment { 157 PRInt8 notused; 158 }; 159 160 /* 161 * md-specific cpu structure field 162 */ 163 #define _PR_MD_MAX_OSFD FD_SETSIZE 164 165 struct _MDCPU_Unix { 166 PRCList ioQ; 167 PRUint32 ioq_timeout; 168 PRInt32 ioq_max_osfd; 169 PRInt32 ioq_osfd_cnt; 170 #ifndef _PR_USE_POLL 171 fd_set fd_read_set, fd_write_set, fd_exception_set; 172 PRInt16 fd_read_cnt[_PR_MD_MAX_OSFD],fd_write_cnt[_PR_MD_MAX_OSFD], 173 fd_exception_cnt[_PR_MD_MAX_OSFD]; 174 #else 175 struct pollfd *ioq_pollfds; 176 int ioq_pollfds_size; 177 #endif /* _PR_USE_POLL */ 178 }; 179 180 #define _PR_IOQ(_cpu) ((_cpu)->md.md_unix.ioQ) 181 #define _PR_ADD_TO_IOQ(_pq, _cpu) PR_APPEND_LINK(&_pq.links, &_PR_IOQ(_cpu)) 182 #define _PR_FD_READ_SET(_cpu) ((_cpu)->md.md_unix.fd_read_set) 183 #define _PR_FD_READ_CNT(_cpu) ((_cpu)->md.md_unix.fd_read_cnt) 184 #define _PR_FD_WRITE_SET(_cpu) ((_cpu)->md.md_unix.fd_write_set) 185 #define _PR_FD_WRITE_CNT(_cpu) ((_cpu)->md.md_unix.fd_write_cnt) 186 #define _PR_FD_EXCEPTION_SET(_cpu) ((_cpu)->md.md_unix.fd_exception_set) 187 #define _PR_FD_EXCEPTION_CNT(_cpu) ((_cpu)->md.md_unix.fd_exception_cnt) 188 #define _PR_IOQ_TIMEOUT(_cpu) ((_cpu)->md.md_unix.ioq_timeout) 189 #define _PR_IOQ_MAX_OSFD(_cpu) ((_cpu)->md.md_unix.ioq_max_osfd) 190 #define _PR_IOQ_OSFD_CNT(_cpu) ((_cpu)->md.md_unix.ioq_osfd_cnt) 191 #define _PR_IOQ_POLLFDS(_cpu) ((_cpu)->md.md_unix.ioq_pollfds) 192 #define _PR_IOQ_POLLFDS_SIZE(_cpu) ((_cpu)->md.md_unix.ioq_pollfds_size) 193 194 #define _PR_IOQ_MIN_POLLFDS_SIZE(_cpu) 32 195 196 struct _MDCPU { 197 struct _MDCPU_Unix md_unix; 198 }; 199 200 #define _MD_INIT_LOCKS() 201 #define _MD_NEW_LOCK(lock) PR_SUCCESS 202 #define _MD_FREE_LOCK(lock) 203 #define _MD_LOCK(lock) 204 #define _MD_UNLOCK(lock) 205 #define _MD_INIT_IO() 206 #define _MD_IOQ_LOCK() 207 #define _MD_IOQ_UNLOCK() 208 209 #define _MD_INIT_RUNNING_CPU(cpu) _MD_unix_init_running_cpu(cpu) 210 #define _MD_INIT_THREAD _MD_InitializeThread 211 #define _MD_EXIT_THREAD(thread) 212 #define _MD_SUSPEND_THREAD(thread) _MD_suspend_thread 213 #define _MD_RESUME_THREAD(thread) _MD_resume_thread 214 #define _MD_CLEAN_THREAD(_thread) 215 216 #endif /* ! _PR_PTHREADS */ 217 218 #define _MD_EARLY_INIT _MD_EarlyInit 219 #define _MD_FINAL_INIT _PR_UnixInit 220 #define _MD_GET_INTERVAL _PR_UNIX_GetInterval 221 #define _MD_INTERVAL_PER_SEC _PR_UNIX_TicksPerSecond 222 223 /* 224 * We wrapped the select() call. _MD_SELECT refers to the built-in, 225 * unwrapped version. 226 */ 227 #define _MD_SELECT(nfds,r,w,e,tv) syscall(SYS_select,nfds,r,w,e,tv) 228 #include <poll.h> 229 #define _MD_POLL(fds,nfds,timeout) syscall(SYS_poll,fds,nfds,timeout) 230 231 #if OpenBSD1_3 == 1L 232 typedef unsigned int nfds_t; 233 #endif 234 235 #endif /* nspr_openbsd_defs_h___ */ 236
