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_sony_defs_h___ 36 #define nspr_sony_defs_h___ 37 38 #define PR_LINKER_ARCH "sony" 39 #define _PR_SI_SYSNAME "SONY" 40 #define _PR_SI_ARCHITECTURE "mips" 41 #define PR_DLL_SUFFIX ".so" 42 43 #define _PR_VMBASE 0x30000000 44 #define _PR_STACK_VMBASE 0x50000000 45 #define _MD_DEFAULT_STACK_SIZE 65536L 46 #define _MD_MMAP_FLAGS MAP_PRIVATE 47 48 #define _MD_GET_INTERVAL _PR_UNIX_GetInterval 49 #define _MD_INTERVAL_PER_SEC _PR_UNIX_TicksPerSecond 50 51 #if defined(_PR_LOCAL_THREADS_ONLY) 52 #include <ucontext.h> 53 #include <sys/regset.h> 54 55 #define PR_NUM_GCREGS NGREG 56 #define PR_CONTEXT_TYPE ucontext_t 57 58 #define CONTEXT(_thread) (&(_thread)->md.context) 59 60 #define _MD_GET_SP(_t) (_t)->md.context.uc_mcontext.gregs[CXT_SP] 61 62 /* 63 ** Initialize the thread context preparing it to execute _main() 64 */ 65 #define _MD_INIT_CONTEXT(_thread, _sp, _main, status) \ 66 { \ 67 *status = PR_TRUE; \ 68 getcontext(CONTEXT(_thread)); \ 69 CONTEXT(_thread)->uc_stack.ss_sp = (char*) (_thread)->stack->stackBottom; \ 70 CONTEXT(_thread)->uc_stack.ss_size = (_thread)->stack->stackSize; \ 71 _MD_GET_SP(_thread) = (greg_t) (_sp) - 64; \ 72 makecontext(CONTEXT(_thread), _main, 0); \ 73 } 74 75 #define _MD_SWITCH_CONTEXT(_thread) \ 76 if (!getcontext(CONTEXT(_thread))) { \ 77 (_thread)->md.errcode = errno; \ 78 _PR_Schedule(); \ 79 } 80 81 /* 82 ** Restore a thread context, saved by _MD_SWITCH_CONTEXT 83 */ 84 #define _MD_RESTORE_CONTEXT(_thread) \ 85 { \ 86 ucontext_t *uc = CONTEXT(_thread); \ 87 uc->uc_mcontext.gregs[CXT_V0] = 1; \ 88 uc->uc_mcontext.gregs[CXT_A3] = 0; \ 89 _MD_SET_CURRENT_THREAD(_thread); \ 90 errno = (_thread)->md.errcode; \ 91 setcontext(uc); \ 92 } 93 94 /* Machine-dependent (MD) data structures */ 95 96 struct _MDThread { 97 PR_CONTEXT_TYPE context; 98 int id; 99 int errcode; 100 }; 101 102 struct _MDThreadStack { 103 PRInt8 notused; 104 }; 105 106 struct _MDLock { 107 PRInt8 notused; 108 }; 109 110 struct _MDSemaphore { 111 PRInt8 notused; 112 }; 113 114 struct _MDCVar { 115 PRInt8 notused; 116 }; 117 118 struct _MDSegment { 119 PRInt8 notused; 120 }; 121 122 /* 123 * md-specific cpu structure field 124 */ 125 #define _PR_MD_MAX_OSFD FD_SETSIZE 126 127 struct _MDCPU_Unix { 128 PRCList ioQ; 129 PRUint32 ioq_timeout; 130 PRInt32 ioq_max_osfd; 131 PRInt32 ioq_osfd_cnt; 132 #ifndef _PR_USE_POLL 133 fd_set fd_read_set, fd_write_set, fd_exception_set; 134 PRInt16 fd_read_cnt[_PR_MD_MAX_OSFD],fd_write_cnt[_PR_MD_MAX_OSFD], 135 fd_exception_cnt[_PR_MD_MAX_OSFD]; 136 #else 137 struct pollfd *ioq_pollfds; 138 int ioq_pollfds_size; 139 #endif /* _PR_USE_POLL */ 140 }; 141 142 #define _PR_IOQ(_cpu) ((_cpu)->md.md_unix.ioQ) 143 #define _PR_ADD_TO_IOQ(_pq, _cpu) PR_APPEND_LINK(&_pq.links, &_PR_IOQ(_cpu)) 144 #define _PR_FD_READ_SET(_cpu) ((_cpu)->md.md_unix.fd_read_set) 145 #define _PR_FD_READ_CNT(_cpu) ((_cpu)->md.md_unix.fd_read_cnt) 146 #define _PR_FD_WRITE_SET(_cpu) ((_cpu)->md.md_unix.fd_write_set) 147 #define _PR_FD_WRITE_CNT(_cpu) ((_cpu)->md.md_unix.fd_write_cnt) 148 #define _PR_FD_EXCEPTION_SET(_cpu) ((_cpu)->md.md_unix.fd_exception_set) 149 #define _PR_FD_EXCEPTION_CNT(_cpu) ((_cpu)->md.md_unix.fd_exception_cnt) 150 #define _PR_IOQ_TIMEOUT(_cpu) ((_cpu)->md.md_unix.ioq_timeout) 151 #define _PR_IOQ_MAX_OSFD(_cpu) ((_cpu)->md.md_unix.ioq_max_osfd) 152 #define _PR_IOQ_OSFD_CNT(_cpu) ((_cpu)->md.md_unix.ioq_osfd_cnt) 153 #define _PR_IOQ_POLLFDS(_cpu) ((_cpu)->md.md_unix.ioq_pollfds) 154 #define _PR_IOQ_POLLFDS_SIZE(_cpu) ((_cpu)->md.md_unix.ioq_pollfds_size) 155 156 #define _PR_IOQ_MIN_POLLFDS_SIZE(_cpu) 32 157 158 struct _MDCPU { 159 struct _MDCPU_Unix md_unix; 160 }; 161 162 #define _MD_INIT_LOCKS() 163 #define _MD_NEW_LOCK(lock) PR_SUCCESS 164 #define _MD_FREE_LOCK(lock) 165 #define _MD_LOCK(lock) 166 #define _MD_UNLOCK(lock) 167 #define _MD_INIT_IO() 168 #define _MD_IOQ_LOCK() 169 #define _MD_IOQ_UNLOCK() 170 171 #define _MD_EARLY_INIT _MD_EarlyInit 172 #define _MD_FINAL_INIT _PR_UnixInit 173 #define _MD_INIT_RUNNING_CPU(cpu) _MD_unix_init_running_cpu(cpu) 174 #define _MD_INIT_THREAD _MD_InitializeThread 175 #define _MD_EXIT_THREAD(thread) 176 #define _MD_SUSPEND_THREAD(thread) 177 #define _MD_RESUME_THREAD(thread) 178 #define _MD_CLEAN_THREAD(_thread) 179 180 /* The following defines unwrapped versions of select() and poll(). */ 181 extern int _select (int, fd_set *, fd_set *, fd_set *, struct timeval *); 182 #define _MD_SELECT _select 183 184 #include <sys/poll.h> 185 extern int _poll(struct pollfd *fds, unsigned long nfds, int timeout); 186 #define _MD_POLL _poll 187 188 #endif /* _PR_LOCAL_THREADS_ONLY */ 189 190 #undef HAVE_STACK_GROWING_UP 191 #define HAVE_DLL 192 #define USE_DLFCN 193 #define NEED_TIME_R 194 #define NEED_STRFTIME_LOCK 195 196 /* 197 ** Missing function prototypes 198 */ 199 extern int gethostname(char *name, int namelen); 200 201 #endif /* nspr_sony_defs_h___ */ 202
