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_sunos_defs_h___ 36 #define nspr_sunos_defs_h___ 37 38 #include "md/sunos4.h" 39 40 /* On SunOS 4, memset is declared in memory.h */ 41 #include <memory.h> 42 #include <errno.h> 43 #include <sys/syscall.h> 44 45 /* 46 * Internal configuration macros 47 */ 48 49 #define PR_LINKER_ARCH "sunos" 50 #define _PR_SI_SYSNAME "SUNOS" 51 #define _PR_SI_ARCHITECTURE "sparc" 52 #define PR_DLL_SUFFIX ".so.1.0" 53 54 /* 55 ** For sunos type machines, don't specify an address because the 56 ** NetBSD/SPARC O.S. does the wrong thing. 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 #undef HAVE_WEAK_IO_SYMBOLS 65 #undef HAVE_WEAK_MALLOC_SYMBOLS 66 #define HAVE_DLL 67 #define USE_DLFCN 68 #define NEED_STRFTIME_LOCK 69 #define NEED_TIME_R 70 #define HAVE_BSD_FLOCK 71 #define _PR_NO_LARGE_FILES 72 #define _PR_STAT_HAS_ONLY_ST_ATIME 73 74 #define _MD_GET_INTERVAL _PR_UNIX_GetInterval 75 #define _MD_INTERVAL_PER_SEC _PR_UNIX_TicksPerSecond 76 77 #define USE_SETJMP 78 79 #include <setjmp.h> 80 81 #define _MD_GET_SP(_t) (_t)->md.context[2] 82 83 #define PR_NUM_GCREGS _JBLEN 84 85 #define CONTEXT(_th) ((_th)->md.context) 86 87 /* 88 ** Initialize the thread context preparing it to execute _main. 89 */ 90 #define _MD_INIT_CONTEXT(_thread, _sp, _main, status) \ 91 PR_BEGIN_MACRO \ 92 int *context = (_thread)->md.context; \ 93 *status = PR_TRUE; \ 94 asm("ta 3"); \ 95 (void) setjmp(context); \ 96 (_thread)->md.context[2] = (int) ((_sp) - 64); \ 97 (_thread)->md.context[2] &= ~7; \ 98 (_thread)->md.context[3] = (int) _main; \ 99 (_thread)->md.context[4] = (int) _main + 4; \ 100 PR_END_MACRO 101 102 #define _MD_SWITCH_CONTEXT(_thread) \ 103 asm("ta 3"); \ 104 if (!setjmp(CONTEXT(_thread))) { \ 105 (_thread)->md.errcode = errno; \ 106 _PR_Schedule(); \ 107 } 108 109 /* 110 ** Restore a thread context, saved by _MD_SWITCH_CONTEXT 111 */ 112 #define _MD_RESTORE_CONTEXT(_thread) \ 113 { \ 114 errno = (_thread)->md.errcode; \ 115 _MD_SET_CURRENT_THREAD(_thread); \ 116 longjmp(CONTEXT(_thread), 1); \ 117 } 118 119 #pragma unknown_control_flow(longjmp) 120 #pragma unknown_control_flow(setjmp) 121 #pragma unknown_control_flow(_PR_Schedule) 122 123 /* 124 ** Missing function prototypes 125 */ 126 127 extern int socket (int domain, int type, int protocol); 128 extern int getsockname (int s, struct sockaddr *name, int *namelen); 129 extern int getpeername (int s, struct sockaddr *name, int *namelen); 130 extern int getsockopt (int s, int level, int optname, char* optval, int* optlen); 131 extern int setsockopt (int s, int level, int optname, const char* optval, int optlen); 132 extern int accept (int s, struct sockaddr *addr, int *addrlen); 133 extern int listen (int s, int backlog); 134 extern int brk(void *); 135 extern void *sbrk(int); 136 137 138 /* Machine-dependent (MD) data structures. SunOS 4 has no native threads. */ 139 140 struct _MDThread { 141 jmp_buf context; 142 int id; 143 int errcode; 144 }; 145 146 struct _MDThreadStack { 147 PRInt8 notused; 148 }; 149 150 struct _MDLock { 151 PRInt8 notused; 152 }; 153 154 struct _MDSemaphore { 155 PRInt8 notused; 156 }; 157 158 struct _MDCVar { 159 PRInt8 notused; 160 }; 161 162 struct _MDSegment { 163 PRInt8 notused; 164 }; 165 166 /* 167 * md-specific cpu structure field 168 */ 169 #define _PR_MD_MAX_OSFD FD_SETSIZE 170 171 struct _MDCPU_Unix { 172 PRCList ioQ; 173 PRUint32 ioq_timeout; 174 PRInt32 ioq_max_osfd; 175 PRInt32 ioq_osfd_cnt; 176 #ifndef _PR_USE_POLL 177 fd_set fd_read_set, fd_write_set, fd_exception_set; 178 PRInt16 fd_read_cnt[_PR_MD_MAX_OSFD],fd_write_cnt[_PR_MD_MAX_OSFD], 179 fd_exception_cnt[_PR_MD_MAX_OSFD]; 180 #else 181 struct pollfd *ioq_pollfds; 182 int ioq_pollfds_size; 183 #endif /* _PR_USE_POLL */ 184 }; 185 186 #define _PR_IOQ(_cpu) ((_cpu)->md.md_unix.ioQ) 187 #define _PR_ADD_TO_IOQ(_pq, _cpu) PR_APPEND_LINK(&_pq.links, &_PR_IOQ(_cpu)) 188 #define _PR_FD_READ_SET(_cpu) ((_cpu)->md.md_unix.fd_read_set) 189 #define _PR_FD_READ_CNT(_cpu) ((_cpu)->md.md_unix.fd_read_cnt) 190 #define _PR_FD_WRITE_SET(_cpu) ((_cpu)->md.md_unix.fd_write_set) 191 #define _PR_FD_WRITE_CNT(_cpu) ((_cpu)->md.md_unix.fd_write_cnt) 192 #define _PR_FD_EXCEPTION_SET(_cpu) ((_cpu)->md.md_unix.fd_exception_set) 193 #define _PR_FD_EXCEPTION_CNT(_cpu) ((_cpu)->md.md_unix.fd_exception_cnt) 194 #define _PR_IOQ_TIMEOUT(_cpu) ((_cpu)->md.md_unix.ioq_timeout) 195 #define _PR_IOQ_MAX_OSFD(_cpu) ((_cpu)->md.md_unix.ioq_max_osfd) 196 #define _PR_IOQ_OSFD_CNT(_cpu) ((_cpu)->md.md_unix.ioq_osfd_cnt) 197 #define _PR_IOQ_POLLFDS(_cpu) ((_cpu)->md.md_unix.ioq_pollfds) 198 #define _PR_IOQ_POLLFDS_SIZE(_cpu) ((_cpu)->md.md_unix.ioq_pollfds_size) 199 200 #define _PR_IOQ_MIN_POLLFDS_SIZE(_cpu) 32 201 202 struct _MDCPU { 203 struct _MDCPU_Unix md_unix; 204 }; 205 206 #define _MD_INIT_LOCKS() 207 #define _MD_NEW_LOCK(lock) PR_SUCCESS 208 #define _MD_FREE_LOCK(lock) 209 #define _MD_LOCK(lock) 210 #define _MD_UNLOCK(lock) 211 #define _MD_INIT_IO() 212 #define _MD_IOQ_LOCK() 213 #define _MD_IOQ_UNLOCK() 214 215 /* These are copied from _solaris.h */ 216 217 #define _MD_EARLY_INIT _MD_EarlyInit 218 #define _MD_FINAL_INIT _PR_UnixInit 219 #define _MD_INIT_RUNNING_CPU(cpu) _MD_unix_init_running_cpu(cpu) 220 #define _MD_INIT_THREAD _MD_InitializeThread 221 #define _MD_EXIT_THREAD(thread) 222 #define _MD_SUSPEND_THREAD(thread) 223 #define _MD_RESUME_THREAD(thread) 224 #define _MD_CLEAN_THREAD(_thread) 225 226 /* 227 * We wrapped the select() call. _MD_SELECT refers to the built-in, 228 * unwrapped version. 229 */ 230 #define _MD_SELECT(nfds,r,w,e,tv) syscall(SYS_select,nfds,r,w,e,tv) 231 #define _MD_POLL(fds,nfds,timeout) syscall(SYS_poll,fds,nfds,timeout) 232 233 #endif /* nspr_sparc_defs_h___ */ 234
