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nsprpub/pr/include/md/_netbsd.h@7e26c7da4463 (annotated)

nsprpub/pr/include/md/_netbsd.h

Wed, 31 Dec 2014 06:55:50 +0100

author
Michael Schloh von Bennewitz <michael@schloh.com>
date
Wed, 31 Dec 2014 06:55:50 +0100
changeset 2
7e26c7da4463
permissions
-rw-r--r--

Added tag UPSTREAM_283F7C6 for changeset ca08bd8f51b2

michael@0 1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
michael@0 2 /* This Source Code Form is subject to the terms of the Mozilla Public
michael@0 3 * License, v. 2.0. If a copy of the MPL was not distributed with this
michael@0 4 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0 5
michael@0 6 #ifndef nspr_netbsd_defs_h___
michael@0 7 #define nspr_netbsd_defs_h___
michael@0 8
michael@0 9 #include <sys/syscall.h>
michael@0 10 #include <sys/param.h> /* for __NetBSD_Version__ */
michael@0 11
michael@0 12 #define PR_LINKER_ARCH "netbsd"
michael@0 13 #define _PR_SI_SYSNAME "NetBSD"
michael@0 14 #if defined(__i386__)
michael@0 15 #define _PR_SI_ARCHITECTURE "x86"
michael@0 16 #elif defined(__alpha__)
michael@0 17 #define _PR_SI_ARCHITECTURE "alpha"
michael@0 18 #elif defined(__amd64__)
michael@0 19 #define _PR_SI_ARCHITECTURE "amd64"
michael@0 20 #elif defined(__m68k__)
michael@0 21 #define _PR_SI_ARCHITECTURE "m68k"
michael@0 22 #elif defined(__powerpc__)
michael@0 23 #define _PR_SI_ARCHITECTURE "powerpc"
michael@0 24 #elif defined(__sparc_v9__)
michael@0 25 #define _PR_SI_ARCHITECTURE "sparc64"
michael@0 26 #elif defined(__sparc__)
michael@0 27 #define _PR_SI_ARCHITECTURE "sparc"
michael@0 28 #elif defined(__mips__)
michael@0 29 #define _PR_SI_ARCHITECTURE "mips"
michael@0 30 #elif defined(__arm32__) || defined(__arm__) || defined(__armel__) \
michael@0 31 || defined(__armeb__)
michael@0 32 #define _PR_SI_ARCHITECTURE "arm"
michael@0 33 #endif
michael@0 34
michael@0 35 #if defined(__ELF__)
michael@0 36 #define PR_DLL_SUFFIX ".so"
michael@0 37 #else
michael@0 38 #define PR_DLL_SUFFIX ".so.1.0"
michael@0 39 #endif
michael@0 40
michael@0 41 #define _PR_VMBASE 0x30000000
michael@0 42 #define _PR_STACK_VMBASE 0x50000000
michael@0 43 #define _MD_DEFAULT_STACK_SIZE 65536L
michael@0 44 #define _MD_MMAP_FLAGS MAP_PRIVATE
michael@0 45
michael@0 46 #undef HAVE_STACK_GROWING_UP
michael@0 47 #define HAVE_DLL
michael@0 48 #define USE_DLFCN
michael@0 49 #define _PR_HAVE_SOCKADDR_LEN
michael@0 50 #define _PR_NO_LARGE_FILES
michael@0 51 #define _PR_STAT_HAS_ST_ATIMESPEC
michael@0 52 #define _PR_POLL_AVAILABLE
michael@0 53 #define _PR_USE_POLL
michael@0 54 #define _PR_HAVE_SYSV_SEMAPHORES
michael@0 55 #define PR_HAVE_SYSV_NAMED_SHARED_MEMORY
michael@0 56
michael@0 57 #if __NetBSD_Version__ >= 105000000
michael@0 58 #define _PR_INET6
michael@0 59 #define _PR_HAVE_INET_NTOP
michael@0 60 #define _PR_HAVE_GETHOSTBYNAME2
michael@0 61 #define _PR_HAVE_GETADDRINFO
michael@0 62 #define _PR_INET6_PROBE
michael@0 63 #endif
michael@0 64
michael@0 65 #define USE_SETJMP
michael@0 66
michael@0 67 #ifndef _PR_PTHREADS
michael@0 68 #include <setjmp.h>
michael@0 69
michael@0 70 #define PR_CONTEXT_TYPE sigjmp_buf
michael@0 71
michael@0 72 #define CONTEXT(_th) ((_th)->md.context)
michael@0 73
michael@0 74 #if defined(__i386__) || defined(__sparc__) || defined(__m68k__) || defined(__powerpc__)
michael@0 75 #define JB_SP_INDEX 2
michael@0 76 #elif defined(__mips__)
michael@0 77 #define JB_SP_INDEX 4
michael@0 78 #elif defined(__alpha__)
michael@0 79 #define JB_SP_INDEX 34
michael@0 80 #elif defined(__arm32__)
michael@0 81 /*
michael@0 82 * On the arm32, the jmpbuf regs underwent a name change after NetBSD 1.3.
michael@0 83 */
michael@0 84 #ifdef JMPBUF_REG_R13
michael@0 85 #define JB_SP_INDEX JMPBUF_REG_R13
michael@0 86 #else
michael@0 87 #define JB_SP_INDEX _JB_REG_R13
michael@0 88 #endif
michael@0 89 #else
michael@0 90 #error "Need to define SP index in jmp_buf here"
michael@0 91 #endif
michael@0 92 #define _MD_GET_SP(_th) (_th)->md.context[JB_SP_INDEX]
michael@0 93
michael@0 94 #define PR_NUM_GCREGS _JBLEN
michael@0 95
michael@0 96 /*
michael@0 97 ** Initialize a thread context to run "_main()" when started
michael@0 98 */
michael@0 99 #define _MD_INIT_CONTEXT(_thread, _sp, _main, status) \
michael@0 100 { \
michael@0 101 *status = PR_TRUE; \
michael@0 102 if (sigsetjmp(CONTEXT(_thread), 1)) { \
michael@0 103 _main(); \
michael@0 104 } \
michael@0 105 _MD_GET_SP(_thread) = (unsigned char*) ((_sp) - 64); \
michael@0 106 }
michael@0 107
michael@0 108 #define _MD_SWITCH_CONTEXT(_thread) \
michael@0 109 if (!sigsetjmp(CONTEXT(_thread), 1)) { \
michael@0 110 (_thread)->md.errcode = errno; \
michael@0 111 _PR_Schedule(); \
michael@0 112 }
michael@0 113
michael@0 114 /*
michael@0 115 ** Restore a thread context, saved by _MD_SWITCH_CONTEXT
michael@0 116 */
michael@0 117 #define _MD_RESTORE_CONTEXT(_thread) \
michael@0 118 { \
michael@0 119 errno = (_thread)->md.errcode; \
michael@0 120 _MD_SET_CURRENT_THREAD(_thread); \
michael@0 121 siglongjmp(CONTEXT(_thread), 1); \
michael@0 122 }
michael@0 123
michael@0 124 /* Machine-dependent (MD) data structures */
michael@0 125
michael@0 126 struct _MDThread {
michael@0 127 PR_CONTEXT_TYPE context;
michael@0 128 int id;
michael@0 129 int errcode;
michael@0 130 };
michael@0 131
michael@0 132 struct _MDThreadStack {
michael@0 133 PRInt8 notused;
michael@0 134 };
michael@0 135
michael@0 136 struct _MDLock {
michael@0 137 PRInt8 notused;
michael@0 138 };
michael@0 139
michael@0 140 struct _MDSemaphore {
michael@0 141 PRInt8 notused;
michael@0 142 };
michael@0 143
michael@0 144 struct _MDCVar {
michael@0 145 PRInt8 notused;
michael@0 146 };
michael@0 147
michael@0 148 struct _MDSegment {
michael@0 149 PRInt8 notused;
michael@0 150 };
michael@0 151
michael@0 152 /*
michael@0 153 * md-specific cpu structure field
michael@0 154 */
michael@0 155 #define _PR_MD_MAX_OSFD FD_SETSIZE
michael@0 156
michael@0 157 struct _MDCPU_Unix {
michael@0 158 PRCList ioQ;
michael@0 159 PRUint32 ioq_timeout;
michael@0 160 PRInt32 ioq_max_osfd;
michael@0 161 PRInt32 ioq_osfd_cnt;
michael@0 162 #ifndef _PR_USE_POLL
michael@0 163 fd_set fd_read_set, fd_write_set, fd_exception_set;
michael@0 164 PRInt16 fd_read_cnt[_PR_MD_MAX_OSFD],fd_write_cnt[_PR_MD_MAX_OSFD],
michael@0 165 fd_exception_cnt[_PR_MD_MAX_OSFD];
michael@0 166 #else
michael@0 167 struct pollfd *ioq_pollfds;
michael@0 168 int ioq_pollfds_size;
michael@0 169 #endif /* _PR_USE_POLL */
michael@0 170 };
michael@0 171
michael@0 172 #define _PR_IOQ(_cpu) ((_cpu)->md.md_unix.ioQ)
michael@0 173 #define _PR_ADD_TO_IOQ(_pq, _cpu) PR_APPEND_LINK(&_pq.links, &_PR_IOQ(_cpu))
michael@0 174 #define _PR_FD_READ_SET(_cpu) ((_cpu)->md.md_unix.fd_read_set)
michael@0 175 #define _PR_FD_READ_CNT(_cpu) ((_cpu)->md.md_unix.fd_read_cnt)
michael@0 176 #define _PR_FD_WRITE_SET(_cpu) ((_cpu)->md.md_unix.fd_write_set)
michael@0 177 #define _PR_FD_WRITE_CNT(_cpu) ((_cpu)->md.md_unix.fd_write_cnt)
michael@0 178 #define _PR_FD_EXCEPTION_SET(_cpu) ((_cpu)->md.md_unix.fd_exception_set)
michael@0 179 #define _PR_FD_EXCEPTION_CNT(_cpu) ((_cpu)->md.md_unix.fd_exception_cnt)
michael@0 180 #define _PR_IOQ_TIMEOUT(_cpu) ((_cpu)->md.md_unix.ioq_timeout)
michael@0 181 #define _PR_IOQ_MAX_OSFD(_cpu) ((_cpu)->md.md_unix.ioq_max_osfd)
michael@0 182 #define _PR_IOQ_OSFD_CNT(_cpu) ((_cpu)->md.md_unix.ioq_osfd_cnt)
michael@0 183 #define _PR_IOQ_POLLFDS(_cpu) ((_cpu)->md.md_unix.ioq_pollfds)
michael@0 184 #define _PR_IOQ_POLLFDS_SIZE(_cpu) ((_cpu)->md.md_unix.ioq_pollfds_size)
michael@0 185
michael@0 186 #define _PR_IOQ_MIN_POLLFDS_SIZE(_cpu) 32
michael@0 187
michael@0 188 struct _MDCPU {
michael@0 189 struct _MDCPU_Unix md_unix;
michael@0 190 };
michael@0 191
michael@0 192 #define _MD_INIT_LOCKS()
michael@0 193 #define _MD_NEW_LOCK(lock) PR_SUCCESS
michael@0 194 #define _MD_FREE_LOCK(lock)
michael@0 195 #define _MD_LOCK(lock)
michael@0 196 #define _MD_UNLOCK(lock)
michael@0 197 #define _MD_INIT_IO()
michael@0 198 #define _MD_IOQ_LOCK()
michael@0 199 #define _MD_IOQ_UNLOCK()
michael@0 200
michael@0 201 #define _MD_INIT_RUNNING_CPU(cpu) _MD_unix_init_running_cpu(cpu)
michael@0 202 #define _MD_INIT_THREAD _MD_InitializeThread
michael@0 203 #define _MD_EXIT_THREAD(thread)
michael@0 204 #define _MD_SUSPEND_THREAD(thread) _MD_suspend_thread
michael@0 205 #define _MD_RESUME_THREAD(thread) _MD_resume_thread
michael@0 206 #define _MD_CLEAN_THREAD(_thread)
michael@0 207
michael@0 208 #endif /* ! _PR_PTHREADS */
michael@0 209
michael@0 210 extern void _MD_EarlyInit(void);
michael@0 211
michael@0 212 #define _MD_EARLY_INIT _MD_EarlyInit
michael@0 213 #define _MD_FINAL_INIT _PR_UnixInit
michael@0 214 #define _MD_INTERVAL_USE_GTOD
michael@0 215
michael@0 216 /*
michael@0 217 * We wrapped the select() call. _MD_SELECT refers to the built-in,
michael@0 218 * unwrapped version.
michael@0 219 */
michael@0 220 #define _MD_SELECT(nfds,r,w,e,tv) syscall(SYS_select,nfds,r,w,e,tv)
michael@0 221 #if defined(_PR_POLL_AVAILABLE)
michael@0 222 #include <poll.h>
michael@0 223 #define _MD_POLL(fds,nfds,timeout) syscall(SYS_poll,fds,nfds,timeout)
michael@0 224 #endif
michael@0 225
michael@0 226 #if NetBSD1_3 == 1L
michael@0 227 typedef unsigned int nfds_t;
michael@0 228 #endif
michael@0 229
michael@0 230 #endif /* nspr_netbsd_defs_h___ */

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