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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_nextstep_defs_h___ | |
| 36 #define nspr_nextstep_defs_h___ | |
| 37 | |
| 38 #include "prthread.h" | |
| 39 | |
| 40 #include <bsd/libc.h> | |
| 41 #include <bsd/syscall.h> | |
| 42 | |
| 43 /* syscall() is not declared in NEXTSTEP's syscall.h ... | |
| 44 */ | |
| 45 extern int syscall(int number, ...); | |
| 46 | |
| 47 /* | |
| 48 * Internal configuration macros | |
| 49 */ | |
| 50 | |
| 51 #define PR_LINKER_ARCH "nextstep" | |
| 52 #define _PR_SI_SYSNAME "NEXTSTEP" | |
| 53 #if defined(__sparc__) | |
| 54 #define _PR_SI_ARCHITECTURE "sparc" | |
| 55 #elif defined(__m68k__) | |
| 56 #define _PR_SI_ARCHITECTURE "m68k" | |
| 57 #elif defined(__i386__) | |
| 58 #define _PR_SI_ARCHITECTURE "x86" | |
| 59 #else | |
| 60 error Unknown NEXTSTEP architecture | |
| 61 #endif | |
| 62 #define PR_DLL_SUFFIX ".so" | |
| 63 | |
| 64 #define _PR_VMBASE 0x30000000 | |
| 65 #define _PR_STACK_VMBASE 0x50000000 | |
| 66 #define _MD_DEFAULT_STACK_SIZE 65536L | |
| 67 #define _MD_MMAP_FLAGS MAP_PRIVATE | |
| 68 | |
| 69 #undef HAVE_STACK_GROWING_UP | |
| 70 | |
| 71 #define HAVE_WEAK_MALLOC_SYMBOLS | |
| 72 | |
| 73 #define HAVE_DLL | |
| 74 #define USE_MACH_DYLD | |
| 75 #define _PR_STAT_HAS_ONLY_ST_ATIME | |
| 76 #define _PR_NO_LARGE_FILES | |
| 77 | |
| 78 #define USE_SETJMP | |
| 79 | |
| 80 #ifndef _PR_PTHREADS | |
| 81 | |
| 82 #include <setjmp.h> | |
| 83 | |
| 84 #define PR_CONTEXT_TYPE jmp_buf | |
| 85 | |
| 86 #define CONTEXT(_th) ((_th)->md.context) | |
| 87 | |
| 88 /* balazs.pataki@sztaki.hu: | |
| 89 ** __sparc__ is checked | |
| 90 ** __m68k__ is checked | |
| 91 ** __i386__ is a guess (one of the two defines should work) | |
| 92 */ | |
| 93 #if defined(__sparc__) | |
| 94 #define _MD_GET_SP(_th) (_th)->md.context[2] | |
| 95 #elif defined(__m68k__) | |
| 96 #define _MD_GET_SP(_th) (_th)->md.context[2] | |
| 97 #elif defined(__i386__) | |
| 98 /* One of this two must be OK ... try using sc_onstack | |
| 99 */ | |
| 100 #define _MD_GET_SP(_th) (((struct sigcontext *) (_th)->md.context)->sc_onstac
k) | |
| 101 //#define _MD_GET_SP(_th) (_th)->md.context[0].sc_esp | |
| 102 #else | |
| 103 error Unknown NEXTSTEP architecture | |
| 104 #endif | |
| 105 | |
| 106 #define PR_NUM_GCREGS _JBLEN | |
| 107 | |
| 108 /* | |
| 109 ** Initialize a thread context to run "_main()" when started | |
| 110 */ | |
| 111 #define _MD_INIT_CONTEXT(_thread, _sp, _main, status) \ | |
| 112 { \ | |
| 113 *status = PR_TRUE; \ | |
| 114 if (setjmp(CONTEXT(_thread))) { \ | |
| 115 _main(); \ | |
| 116 } \ | |
| 117 _MD_GET_SP(_thread) = (int) ((_sp) - 64); \ | |
| 118 } | |
| 119 | |
| 120 #define _MD_SWITCH_CONTEXT(_thread) \ | |
| 121 if (!setjmp(CONTEXT(_thread))) { \ | |
| 122 (_thread)->md.errcode = errno; \ | |
| 123 _PR_Schedule(); \ | |
| 124 } | |
| 125 | |
| 126 /* | |
| 127 ** Restore a thread context, saved by _MD_SWITCH_CONTEXT | |
| 128 */ | |
| 129 #define _MD_RESTORE_CONTEXT(_thread) \ | |
| 130 { \ | |
| 131 errno = (_thread)->md.errcode; \ | |
| 132 _MD_SET_CURRENT_THREAD(_thread); \ | |
| 133 longjmp(CONTEXT(_thread), 1); \ | |
| 134 } | |
| 135 | |
| 136 /* Machine-dependent (MD) data structures */ | |
| 137 | |
| 138 struct _MDThread { | |
| 139 PR_CONTEXT_TYPE context; | |
| 140 int id; | |
| 141 int errcode; | |
| 142 }; | |
| 143 | |
| 144 struct _MDThreadStack { | |
| 145 PRInt8 notused; | |
| 146 }; | |
| 147 | |
| 148 struct _MDLock { | |
| 149 PRInt8 notused; | |
| 150 }; | |
| 151 | |
| 152 struct _MDSemaphore { | |
| 153 PRInt8 notused; | |
| 154 }; | |
| 155 | |
| 156 struct _MDCVar { | |
| 157 PRInt8 notused; | |
| 158 }; | |
| 159 | |
| 160 struct _MDSegment { | |
| 161 PRInt8 notused; | |
| 162 }; | |
| 163 | |
| 164 /* | |
| 165 * md-specific cpu structure field | |
| 166 */ | |
| 167 #define _PR_MD_MAX_OSFD FD_SETSIZE | |
| 168 | |
| 169 struct _MDCPU_Unix { | |
| 170 PRCList ioQ; | |
| 171 PRUint32 ioq_timeout; | |
| 172 PRInt32 ioq_max_osfd; | |
| 173 PRInt32 ioq_osfd_cnt; | |
| 174 #ifndef _PR_USE_POLL | |
| 175 fd_set fd_read_set, fd_write_set, fd_exception_set; | |
| 176 PRInt16 fd_read_cnt[_PR_MD_MAX_OSFD],fd_write_cnt[_PR_MD_MAX_OSFD], | |
| 177 fd_exception_cnt[_PR_MD_MAX_OSFD]; | |
| 178 #else | |
| 179 struct pollfd *ioq_pollfds; | |
| 180 int ioq_pollfds_size; | |
| 181 #endif /* _PR_USE_POLL */ | |
| 182 }; | |
| 183 | |
| 184 #define _PR_IOQ(_cpu) ((_cpu)->md.md_unix.ioQ) | |
| 185 #define _PR_ADD_TO_IOQ(_pq, _cpu) PR_APPEND_LINK(&_pq.links, &_PR_IOQ(_cpu)) | |
| 186 #define _PR_FD_READ_SET(_cpu) ((_cpu)->md.md_unix.fd_read_set) | |
| 187 #define _PR_FD_READ_CNT(_cpu) ((_cpu)->md.md_unix.fd_read_cnt) | |
| 188 #define _PR_FD_WRITE_SET(_cpu) ((_cpu)->md.md_unix.fd_write_set) | |
| 189 #define _PR_FD_WRITE_CNT(_cpu) ((_cpu)->md.md_unix.fd_write_cnt) | |
| 190 #define _PR_FD_EXCEPTION_SET(_cpu) ((_cpu)->md.md_unix.fd_exception_set) | |
| 191 #define _PR_FD_EXCEPTION_CNT(_cpu) ((_cpu)->md.md_unix.fd_exception_cnt) | |
| 192 #define _PR_IOQ_TIMEOUT(_cpu) ((_cpu)->md.md_unix.ioq_timeout) | |
| 193 #define _PR_IOQ_MAX_OSFD(_cpu) ((_cpu)->md.md_unix.ioq_max_osfd) | |
| 194 #define _PR_IOQ_OSFD_CNT(_cpu) ((_cpu)->md.md_unix.ioq_osfd_cnt) | |
| 195 #define _PR_IOQ_POLLFDS(_cpu) ((_cpu)->md.md_unix.ioq_pollfds) | |
| 196 #define _PR_IOQ_POLLFDS_SIZE(_cpu) ((_cpu)->md.md_unix.ioq_pollfds_size) | |
| 197 | |
| 198 #define _PR_IOQ_MIN_POLLFDS_SIZE(_cpu) 32 | |
| 199 | |
| 200 struct _MDCPU { | |
| 201 struct _MDCPU_Unix md_unix; | |
| 202 }; | |
| 203 | |
| 204 #define _MD_INIT_LOCKS() | |
| 205 #define _MD_NEW_LOCK(lock) PR_SUCCESS | |
| 206 #define _MD_FREE_LOCK(lock) | |
| 207 #define _MD_LOCK(lock) | |
| 208 #define _MD_UNLOCK(lock) | |
| 209 #define _MD_INIT_IO() | |
| 210 #define _MD_IOQ_LOCK() | |
| 211 #define _MD_IOQ_UNLOCK() | |
| 212 | |
| 213 extern PRStatus _MD_InitializeThread(PRThread *thread); | |
| 214 | |
| 215 #define _MD_INIT_RUNNING_CPU(cpu) _MD_unix_init_running_cpu(cpu) | |
| 216 #define _MD_INIT_THREAD _MD_InitializeThread | |
| 217 #define _MD_EXIT_THREAD(thread) | |
| 218 #define _MD_SUSPEND_THREAD(thread) _MD_suspend_thread | |
| 219 #define _MD_RESUME_THREAD(thread) _MD_resume_thread | |
| 220 #define _MD_CLEAN_THREAD(_thread) | |
| 221 | |
| 222 extern PRStatus _MD_CREATE_THREAD( | |
| 223 PRThread *thread, | |
| 224 void (*start) (void *), | |
| 225 PRThreadPriority priority, | |
| 226 PRThreadScope scope, | |
| 227 PRThreadState state, | |
| 228 PRUint32 stackSize); | |
| 229 extern void _MD_SET_PRIORITY(struct _MDThread *thread, PRUintn newPri); | |
| 230 extern PRStatus _MD_WAIT(PRThread *, PRIntervalTime timeout); | |
| 231 extern PRStatus _MD_WAKEUP_WAITER(PRThread *); | |
| 232 extern void _MD_YIELD(void); | |
| 233 | |
| 234 #endif /* ! _PR_PTHREADS */ | |
| 235 | |
| 236 extern void _MD_EarlyInit(void); | |
| 237 extern PRIntervalTime _PR_UNIX_GetInterval(void); | |
| 238 extern PRIntervalTime _PR_UNIX_TicksPerSecond(void); | |
| 239 | |
| 240 #define _MD_EARLY_INIT _MD_EarlyInit | |
| 241 #define _MD_FINAL_INIT _PR_UnixInit | |
| 242 #define _MD_GET_INTERVAL _PR_UNIX_GetInterval | |
| 243 #define _MD_INTERVAL_PER_SEC _PR_UNIX_TicksPerSecond | |
| 244 | |
| 245 /* | |
| 246 * We wrapped the select() call. _MD_SELECT refers to the built-in, | |
| 247 * unwrapped version. | |
| 248 */ | |
| 249 #define _MD_SELECT(nfds,r,w,e,tv) syscall(SYS_select,nfds,r,w,e,tv) | |
| 250 | |
| 251 /* For writev() */ | |
| 252 #include <sys/uio.h> | |
| 253 | |
| 254 /* signal.h */ | |
| 255 /* balazs.pataki@sztaki.hu: this is stolen from sunos4.h. The things is tha
t | |
| 256 ** NEXTSTEP doesn't support these flags for `struct sigaction's sa_flags, s
o | |
| 257 ** I have to fake them ... | |
| 258 */ | |
| 259 #define SA_RESTART 0 | |
| 260 | |
| 261 /* mmap */ | |
| 262 /* balazs.pataki@sztaki.hu: NEXTSTEP doesn't have mmap, at least not | |
| 263 ** publically. We have sys/mman.h, but it doesn't declare mmap(), and | |
| 264 ** PROT_NONE is also missing. syscall.h has entries for mmap, munmap, and | |
| 265 ** mprotect so I wrap these in nextstep.c as mmap(), munmap() and mprotect
() | |
| 266 ** and pray for it to work. | |
| 267 ** | |
| 268 */ | |
| 269 caddr_t mmap(caddr_t addr, size_t len, int prot, int flags, | |
| 270 int fildes, off_t off); | |
| 271 int munmap(caddr_t addr, size_t len); | |
| 272 int mprotect(caddr_t addr, size_t len, int prot); | |
| 273 | |
| 274 /* my_mmap() is implemented in nextstep.c and is based on map_fd() of mach. | |
| 275 */ | |
| 276 caddr_t my_mmap(caddr_t addr, size_t len, int prot, int flags, | |
| 277 int fildes, off_t off); | |
| 278 int my_munmap(caddr_t addr, size_t len); | |
| 279 | |
| 280 | |
| 281 /* string.h | |
| 282 */ | |
| 283 /* balazs.pataki@sztaki.hu: this is missing so implemenetd in nextstep.c ... | |
| 284 */ | |
| 285 char *strdup(const char *s1); | |
| 286 | |
| 287 /* unistd.h | |
| 288 */ | |
| 289 /* balazs.pataki@sztaki.hu: these functions are hidden, though correctly | |
| 290 ** implemented in NEXTSTEP. Here I give the declaration for them to be used | |
| 291 ** by prmalloc.c, and I have a wrapped syscall() version of them in nextste
p.c | |
| 292 */ | |
| 293 int brk(void *endds); | |
| 294 void *sbrk(int incr); | |
| 295 | |
| 296 #endif /* nspr_nextstep_defs_h___ */ | |
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Chromium Code Reviews
Issue 665543002:
Remove third_party/npapi/npspy. (Closed)
Base URL: https://chromium.googlesource.com/chromium/src.git@master