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comparison: nsprpub/pr/include/md/_openbsd.h
nsprpub/pr/include/md/_openbsd.h
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- TOR_BUG_9701
- changeset 13
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| -1:000000000000 | 0:780d031ced7f |
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| 1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ | |
| 2 /* This Source Code Form is subject to the terms of the Mozilla Public | |
| 3 * License, v. 2.0. If a copy of the MPL was not distributed with this | |
| 4 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ | |
| 5 | |
| 6 #ifndef nspr_openbsd_defs_h___ | |
| 7 #define nspr_openbsd_defs_h___ | |
| 8 | |
| 9 #include <sys/syscall.h> | |
| 10 | |
| 11 #define PR_LINKER_ARCH "openbsd" | |
| 12 #define _PR_SI_SYSNAME "OPENBSD" | |
| 13 #if defined(__i386__) | |
| 14 #define _PR_SI_ARCHITECTURE "x86" | |
| 15 #elif defined(__alpha__) | |
| 16 #define _PR_SI_ARCHITECTURE "alpha" | |
| 17 #elif defined(__amd64__) | |
| 18 #define _PR_SI_ARCHITECTURE "amd64" | |
| 19 #elif defined(__m68k__) | |
| 20 #define _PR_SI_ARCHITECTURE "m68k" | |
| 21 #elif defined(__powerpc__) | |
| 22 #define _PR_SI_ARCHITECTURE "powerpc" | |
| 23 #elif defined(__sparc__) | |
| 24 #define _PR_SI_ARCHITECTURE "sparc" | |
| 25 #elif defined(__arm__) | |
| 26 #define _PR_SI_ARCHITECTURE "arm" | |
| 27 #endif | |
| 28 | |
| 29 #define PR_DLL_SUFFIX ".so" | |
| 30 | |
| 31 #define _PR_VMBASE 0x30000000 | |
| 32 #define _PR_STACK_VMBASE 0x50000000 | |
| 33 #define _MD_DEFAULT_STACK_SIZE 65536L | |
| 34 #define _MD_MMAP_FLAGS MAP_PRIVATE | |
| 35 | |
| 36 #undef HAVE_STACK_GROWING_UP | |
| 37 #define HAVE_DLL | |
| 38 #define USE_DLFCN | |
| 39 #define _PR_HAVE_SOCKADDR_LEN | |
| 40 #define _PR_HAVE_LARGE_OFF_T | |
| 41 #define _PR_STAT_HAS_ST_ATIMESPEC | |
| 42 #define _PR_POLL_AVAILABLE | |
| 43 #define _PR_USE_POLL | |
| 44 #define _PR_HAVE_SYSV_SEMAPHORES | |
| 45 #define PR_HAVE_SYSV_NAMED_SHARED_MEMORY | |
| 46 | |
| 47 #define _PR_INET6 | |
| 48 #define _PR_HAVE_INET_NTOP | |
| 49 #define _PR_HAVE_GETHOSTBYNAME2 | |
| 50 #define _PR_HAVE_GETADDRINFO | |
| 51 #define _PR_INET6_PROBE | |
| 52 | |
| 53 #define USE_SETJMP | |
| 54 | |
| 55 #ifndef _PR_PTHREADS | |
| 56 #include <setjmp.h> | |
| 57 | |
| 58 #define PR_CONTEXT_TYPE sigjmp_buf | |
| 59 | |
| 60 #define CONTEXT(_th) ((_th)->md.context) | |
| 61 | |
| 62 #if defined(__i386__) || defined(__sparc__) || defined(__m68k__) | |
| 63 #define JB_SP_INDEX 2 | |
| 64 #elif defined(__powerpc__) | |
| 65 #define JB_SP_INDEX 1 | |
| 66 #elif defined(__alpha__) | |
| 67 #define JB_SP_INDEX 34 | |
| 68 #elif defined(__amd64__) | |
| 69 #define JB_SP_INDEX 6 | |
| 70 #elif defined(__arm__) | |
| 71 #define JB_SP_INDEX 23 | |
| 72 #else | |
| 73 #error "Need to define SP index in jmp_buf here" | |
| 74 #endif | |
| 75 #define _MD_GET_SP(_th) (_th)->md.context[JB_SP_INDEX] | |
| 76 | |
| 77 #define PR_NUM_GCREGS _JBLEN | |
| 78 | |
| 79 /* | |
| 80 ** Initialize a thread context to run "_main()" when started | |
| 81 */ | |
| 82 #define _MD_INIT_CONTEXT(_thread, _sp, _main, status) \ | |
| 83 { \ | |
| 84 *status = PR_TRUE; \ | |
| 85 if (sigsetjmp(CONTEXT(_thread), 1)) { \ | |
| 86 _main(); \ | |
| 87 } \ | |
| 88 _MD_GET_SP(_thread) = (unsigned char*) ((_sp) - 64); \ | |
| 89 } | |
| 90 | |
| 91 #define _MD_SWITCH_CONTEXT(_thread) \ | |
| 92 if (!sigsetjmp(CONTEXT(_thread), 1)) { \ | |
| 93 (_thread)->md.errcode = errno; \ | |
| 94 _PR_Schedule(); \ | |
| 95 } | |
| 96 | |
| 97 /* | |
| 98 ** Restore a thread context, saved by _MD_SWITCH_CONTEXT | |
| 99 */ | |
| 100 #define _MD_RESTORE_CONTEXT(_thread) \ | |
| 101 { \ | |
| 102 errno = (_thread)->md.errcode; \ | |
| 103 _MD_SET_CURRENT_THREAD(_thread); \ | |
| 104 siglongjmp(CONTEXT(_thread), 1); \ | |
| 105 } | |
| 106 | |
| 107 /* Machine-dependent (MD) data structures */ | |
| 108 | |
| 109 struct _MDThread { | |
| 110 PR_CONTEXT_TYPE context; | |
| 111 int id; | |
| 112 int errcode; | |
| 113 }; | |
| 114 | |
| 115 struct _MDThreadStack { | |
| 116 PRInt8 notused; | |
| 117 }; | |
| 118 | |
| 119 struct _MDLock { | |
| 120 PRInt8 notused; | |
| 121 }; | |
| 122 | |
| 123 struct _MDSemaphore { | |
| 124 PRInt8 notused; | |
| 125 }; | |
| 126 | |
| 127 struct _MDCVar { | |
| 128 PRInt8 notused; | |
| 129 }; | |
| 130 | |
| 131 struct _MDSegment { | |
| 132 PRInt8 notused; | |
| 133 }; | |
| 134 | |
| 135 /* | |
| 136 * md-specific cpu structure field | |
| 137 */ | |
| 138 #define _PR_MD_MAX_OSFD FD_SETSIZE | |
| 139 | |
| 140 struct _MDCPU_Unix { | |
| 141 PRCList ioQ; | |
| 142 PRUint32 ioq_timeout; | |
| 143 PRInt32 ioq_max_osfd; | |
| 144 PRInt32 ioq_osfd_cnt; | |
| 145 #ifndef _PR_USE_POLL | |
| 146 fd_set fd_read_set, fd_write_set, fd_exception_set; | |
| 147 PRInt16 fd_read_cnt[_PR_MD_MAX_OSFD],fd_write_cnt[_PR_MD_MAX_OSFD], | |
| 148 fd_exception_cnt[_PR_MD_MAX_OSFD]; | |
| 149 #else | |
| 150 struct pollfd *ioq_pollfds; | |
| 151 int ioq_pollfds_size; | |
| 152 #endif /* _PR_USE_POLL */ | |
| 153 }; | |
| 154 | |
| 155 #define _PR_IOQ(_cpu) ((_cpu)->md.md_unix.ioQ) | |
| 156 #define _PR_ADD_TO_IOQ(_pq, _cpu) PR_APPEND_LINK(&_pq.links, &_PR_IOQ(_cpu)) | |
| 157 #define _PR_FD_READ_SET(_cpu) ((_cpu)->md.md_unix.fd_read_set) | |
| 158 #define _PR_FD_READ_CNT(_cpu) ((_cpu)->md.md_unix.fd_read_cnt) | |
| 159 #define _PR_FD_WRITE_SET(_cpu) ((_cpu)->md.md_unix.fd_write_set) | |
| 160 #define _PR_FD_WRITE_CNT(_cpu) ((_cpu)->md.md_unix.fd_write_cnt) | |
| 161 #define _PR_FD_EXCEPTION_SET(_cpu) ((_cpu)->md.md_unix.fd_exception_set) | |
| 162 #define _PR_FD_EXCEPTION_CNT(_cpu) ((_cpu)->md.md_unix.fd_exception_cnt) | |
| 163 #define _PR_IOQ_TIMEOUT(_cpu) ((_cpu)->md.md_unix.ioq_timeout) | |
| 164 #define _PR_IOQ_MAX_OSFD(_cpu) ((_cpu)->md.md_unix.ioq_max_osfd) | |
| 165 #define _PR_IOQ_OSFD_CNT(_cpu) ((_cpu)->md.md_unix.ioq_osfd_cnt) | |
| 166 #define _PR_IOQ_POLLFDS(_cpu) ((_cpu)->md.md_unix.ioq_pollfds) | |
| 167 #define _PR_IOQ_POLLFDS_SIZE(_cpu) ((_cpu)->md.md_unix.ioq_pollfds_size) | |
| 168 | |
| 169 #define _PR_IOQ_MIN_POLLFDS_SIZE(_cpu) 32 | |
| 170 | |
| 171 struct _MDCPU { | |
| 172 struct _MDCPU_Unix md_unix; | |
| 173 }; | |
| 174 | |
| 175 #define _MD_INIT_LOCKS() | |
| 176 #define _MD_NEW_LOCK(lock) PR_SUCCESS | |
| 177 #define _MD_FREE_LOCK(lock) | |
| 178 #define _MD_LOCK(lock) | |
| 179 #define _MD_UNLOCK(lock) | |
| 180 #define _MD_INIT_IO() | |
| 181 #define _MD_IOQ_LOCK() | |
| 182 #define _MD_IOQ_UNLOCK() | |
| 183 | |
| 184 #define _MD_INIT_RUNNING_CPU(cpu) _MD_unix_init_running_cpu(cpu) | |
| 185 #define _MD_INIT_THREAD _MD_InitializeThread | |
| 186 #define _MD_EXIT_THREAD(thread) | |
| 187 #define _MD_SUSPEND_THREAD(thread) _MD_suspend_thread | |
| 188 #define _MD_RESUME_THREAD(thread) _MD_resume_thread | |
| 189 #define _MD_CLEAN_THREAD(_thread) | |
| 190 | |
| 191 #endif /* ! _PR_PTHREADS */ | |
| 192 | |
| 193 #define _MD_EARLY_INIT _MD_EarlyInit | |
| 194 #define _MD_FINAL_INIT _PR_UnixInit | |
| 195 #define _MD_INTERVAL_USE_GTOD | |
| 196 | |
| 197 /* | |
| 198 * We wrapped the select() call. _MD_SELECT refers to the built-in, | |
| 199 * unwrapped version. | |
| 200 */ | |
| 201 #define _MD_SELECT(nfds,r,w,e,tv) syscall(SYS_select,nfds,r,w,e,tv) | |
| 202 #include <poll.h> | |
| 203 #define _MD_POLL(fds,nfds,timeout) syscall(SYS_poll,fds,nfds,timeout) | |
| 204 | |
| 205 #if OpenBSD1_3 == 1L | |
| 206 typedef unsigned int nfds_t; | |
| 207 #endif | |
| 208 | |
| 209 #endif /* nspr_openbsd_defs_h___ */ |
