third_party/npapi/npspy/extern/nspr/md/_sony.h

   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___ */