1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/nsprpub/pr/include/md/_openbsd.h Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,209 @@
1.4 +/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
1.5 +/* This Source Code Form is subject to the terms of the Mozilla Public
1.6 + * License, v. 2.0. If a copy of the MPL was not distributed with this
1.7 + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
1.8 +
1.9 +#ifndef nspr_openbsd_defs_h___
1.10 +#define nspr_openbsd_defs_h___
1.11 +
1.12 +#include <sys/syscall.h>
1.13 +
1.14 +#define PR_LINKER_ARCH "openbsd"
1.15 +#define _PR_SI_SYSNAME "OPENBSD"
1.16 +#if defined(__i386__)
1.17 +#define _PR_SI_ARCHITECTURE "x86"
1.18 +#elif defined(__alpha__)
1.19 +#define _PR_SI_ARCHITECTURE "alpha"
1.20 +#elif defined(__amd64__)
1.21 +#define _PR_SI_ARCHITECTURE "amd64"
1.22 +#elif defined(__m68k__)
1.23 +#define _PR_SI_ARCHITECTURE "m68k"
1.24 +#elif defined(__powerpc__)
1.25 +#define _PR_SI_ARCHITECTURE "powerpc"
1.26 +#elif defined(__sparc__)
1.27 +#define _PR_SI_ARCHITECTURE "sparc"
1.28 +#elif defined(__arm__)
1.29 +#define _PR_SI_ARCHITECTURE "arm"
1.30 +#endif
1.31 +
1.32 +#define PR_DLL_SUFFIX ".so"
1.33 +
1.34 +#define _PR_VMBASE 0x30000000
1.35 +#define _PR_STACK_VMBASE 0x50000000
1.36 +#define _MD_DEFAULT_STACK_SIZE 65536L
1.37 +#define _MD_MMAP_FLAGS MAP_PRIVATE
1.38 +
1.39 +#undef HAVE_STACK_GROWING_UP
1.40 +#define HAVE_DLL
1.41 +#define USE_DLFCN
1.42 +#define _PR_HAVE_SOCKADDR_LEN
1.43 +#define _PR_HAVE_LARGE_OFF_T
1.44 +#define _PR_STAT_HAS_ST_ATIMESPEC
1.45 +#define _PR_POLL_AVAILABLE
1.46 +#define _PR_USE_POLL
1.47 +#define _PR_HAVE_SYSV_SEMAPHORES
1.48 +#define PR_HAVE_SYSV_NAMED_SHARED_MEMORY
1.49 +
1.50 +#define _PR_INET6
1.51 +#define _PR_HAVE_INET_NTOP
1.52 +#define _PR_HAVE_GETHOSTBYNAME2
1.53 +#define _PR_HAVE_GETADDRINFO
1.54 +#define _PR_INET6_PROBE
1.55 +
1.56 +#define USE_SETJMP
1.57 +
1.58 +#ifndef _PR_PTHREADS
1.59 +#include <setjmp.h>
1.60 +
1.61 +#define PR_CONTEXT_TYPE sigjmp_buf
1.62 +
1.63 +#define CONTEXT(_th) ((_th)->md.context)
1.64 +
1.65 +#if defined(__i386__) || defined(__sparc__) || defined(__m68k__)
1.66 +#define JB_SP_INDEX 2
1.67 +#elif defined(__powerpc__)
1.68 +#define JB_SP_INDEX 1
1.69 +#elif defined(__alpha__)
1.70 +#define JB_SP_INDEX 34
1.71 +#elif defined(__amd64__)
1.72 +#define JB_SP_INDEX 6
1.73 +#elif defined(__arm__)
1.74 +#define JB_SP_INDEX 23
1.75 +#else
1.76 +#error "Need to define SP index in jmp_buf here"
1.77 +#endif
1.78 +#define _MD_GET_SP(_th) (_th)->md.context[JB_SP_INDEX]
1.79 +
1.80 +#define PR_NUM_GCREGS _JBLEN
1.81 +
1.82 +/*
1.83 +** Initialize a thread context to run "_main()" when started
1.84 +*/
1.85 +#define _MD_INIT_CONTEXT(_thread, _sp, _main, status) \
1.86 +{ \
1.87 + *status = PR_TRUE; \
1.88 + if (sigsetjmp(CONTEXT(_thread), 1)) { \
1.89 + _main(); \
1.90 + } \
1.91 + _MD_GET_SP(_thread) = (unsigned char*) ((_sp) - 64); \
1.92 +}
1.93 +
1.94 +#define _MD_SWITCH_CONTEXT(_thread) \
1.95 + if (!sigsetjmp(CONTEXT(_thread), 1)) { \
1.96 + (_thread)->md.errcode = errno; \
1.97 + _PR_Schedule(); \
1.98 + }
1.99 +
1.100 +/*
1.101 +** Restore a thread context, saved by _MD_SWITCH_CONTEXT
1.102 +*/
1.103 +#define _MD_RESTORE_CONTEXT(_thread) \
1.104 +{ \
1.105 + errno = (_thread)->md.errcode; \
1.106 + _MD_SET_CURRENT_THREAD(_thread); \
1.107 + siglongjmp(CONTEXT(_thread), 1); \
1.108 +}
1.109 +
1.110 +/* Machine-dependent (MD) data structures */
1.111 +
1.112 +struct _MDThread {
1.113 + PR_CONTEXT_TYPE context;
1.114 + int id;
1.115 + int errcode;
1.116 +};
1.117 +
1.118 +struct _MDThreadStack {
1.119 + PRInt8 notused;
1.120 +};
1.121 +
1.122 +struct _MDLock {
1.123 + PRInt8 notused;
1.124 +};
1.125 +
1.126 +struct _MDSemaphore {
1.127 + PRInt8 notused;
1.128 +};
1.129 +
1.130 +struct _MDCVar {
1.131 + PRInt8 notused;
1.132 +};
1.133 +
1.134 +struct _MDSegment {
1.135 + PRInt8 notused;
1.136 +};
1.137 +
1.138 +/*
1.139 + * md-specific cpu structure field
1.140 + */
1.141 +#define _PR_MD_MAX_OSFD FD_SETSIZE
1.142 +
1.143 +struct _MDCPU_Unix {
1.144 + PRCList ioQ;
1.145 + PRUint32 ioq_timeout;
1.146 + PRInt32 ioq_max_osfd;
1.147 + PRInt32 ioq_osfd_cnt;
1.148 +#ifndef _PR_USE_POLL
1.149 + fd_set fd_read_set, fd_write_set, fd_exception_set;
1.150 + PRInt16 fd_read_cnt[_PR_MD_MAX_OSFD],fd_write_cnt[_PR_MD_MAX_OSFD],
1.151 + fd_exception_cnt[_PR_MD_MAX_OSFD];
1.152 +#else
1.153 + struct pollfd *ioq_pollfds;
1.154 + int ioq_pollfds_size;
1.155 +#endif /* _PR_USE_POLL */
1.156 +};
1.157 +
1.158 +#define _PR_IOQ(_cpu) ((_cpu)->md.md_unix.ioQ)
1.159 +#define _PR_ADD_TO_IOQ(_pq, _cpu) PR_APPEND_LINK(&_pq.links, &_PR_IOQ(_cpu))
1.160 +#define _PR_FD_READ_SET(_cpu) ((_cpu)->md.md_unix.fd_read_set)
1.161 +#define _PR_FD_READ_CNT(_cpu) ((_cpu)->md.md_unix.fd_read_cnt)
1.162 +#define _PR_FD_WRITE_SET(_cpu) ((_cpu)->md.md_unix.fd_write_set)
1.163 +#define _PR_FD_WRITE_CNT(_cpu) ((_cpu)->md.md_unix.fd_write_cnt)
1.164 +#define _PR_FD_EXCEPTION_SET(_cpu) ((_cpu)->md.md_unix.fd_exception_set)
1.165 +#define _PR_FD_EXCEPTION_CNT(_cpu) ((_cpu)->md.md_unix.fd_exception_cnt)
1.166 +#define _PR_IOQ_TIMEOUT(_cpu) ((_cpu)->md.md_unix.ioq_timeout)
1.167 +#define _PR_IOQ_MAX_OSFD(_cpu) ((_cpu)->md.md_unix.ioq_max_osfd)
1.168 +#define _PR_IOQ_OSFD_CNT(_cpu) ((_cpu)->md.md_unix.ioq_osfd_cnt)
1.169 +#define _PR_IOQ_POLLFDS(_cpu) ((_cpu)->md.md_unix.ioq_pollfds)
1.170 +#define _PR_IOQ_POLLFDS_SIZE(_cpu) ((_cpu)->md.md_unix.ioq_pollfds_size)
1.171 +
1.172 +#define _PR_IOQ_MIN_POLLFDS_SIZE(_cpu) 32
1.173 +
1.174 +struct _MDCPU {
1.175 + struct _MDCPU_Unix md_unix;
1.176 +};
1.177 +
1.178 +#define _MD_INIT_LOCKS()
1.179 +#define _MD_NEW_LOCK(lock) PR_SUCCESS
1.180 +#define _MD_FREE_LOCK(lock)
1.181 +#define _MD_LOCK(lock)
1.182 +#define _MD_UNLOCK(lock)
1.183 +#define _MD_INIT_IO()
1.184 +#define _MD_IOQ_LOCK()
1.185 +#define _MD_IOQ_UNLOCK()
1.186 +
1.187 +#define _MD_INIT_RUNNING_CPU(cpu) _MD_unix_init_running_cpu(cpu)
1.188 +#define _MD_INIT_THREAD _MD_InitializeThread
1.189 +#define _MD_EXIT_THREAD(thread)
1.190 +#define _MD_SUSPEND_THREAD(thread) _MD_suspend_thread
1.191 +#define _MD_RESUME_THREAD(thread) _MD_resume_thread
1.192 +#define _MD_CLEAN_THREAD(_thread)
1.193 +
1.194 +#endif /* ! _PR_PTHREADS */
1.195 +
1.196 +#define _MD_EARLY_INIT _MD_EarlyInit
1.197 +#define _MD_FINAL_INIT _PR_UnixInit
1.198 +#define _MD_INTERVAL_USE_GTOD
1.199 +
1.200 +/*
1.201 + * We wrapped the select() call. _MD_SELECT refers to the built-in,
1.202 + * unwrapped version.
1.203 + */
1.204 +#define _MD_SELECT(nfds,r,w,e,tv) syscall(SYS_select,nfds,r,w,e,tv)
1.205 +#include <poll.h>
1.206 +#define _MD_POLL(fds,nfds,timeout) syscall(SYS_poll,fds,nfds,timeout)
1.207 +
1.208 +#if OpenBSD1_3 == 1L
1.209 +typedef unsigned int nfds_t;
1.210 +#endif
1.211 +
1.212 +#endif /* nspr_openbsd_defs_h___ */
