1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000 1.2 +++ b/nsprpub/pr/include/md/_netbsd.h Wed Dec 31 06:09:35 2014 +0100 1.3 @@ -0,0 +1,230 @@ 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_netbsd_defs_h___ 1.10 +#define nspr_netbsd_defs_h___ 1.11 + 1.12 +#include <sys/syscall.h> 1.13 +#include <sys/param.h> /* for __NetBSD_Version__ */ 1.14 + 1.15 +#define PR_LINKER_ARCH "netbsd" 1.16 +#define _PR_SI_SYSNAME "NetBSD" 1.17 +#if defined(__i386__) 1.18 +#define _PR_SI_ARCHITECTURE "x86" 1.19 +#elif defined(__alpha__) 1.20 +#define _PR_SI_ARCHITECTURE "alpha" 1.21 +#elif defined(__amd64__) 1.22 +#define _PR_SI_ARCHITECTURE "amd64" 1.23 +#elif defined(__m68k__) 1.24 +#define _PR_SI_ARCHITECTURE "m68k" 1.25 +#elif defined(__powerpc__) 1.26 +#define _PR_SI_ARCHITECTURE "powerpc" 1.27 +#elif defined(__sparc_v9__) 1.28 +#define _PR_SI_ARCHITECTURE "sparc64" 1.29 +#elif defined(__sparc__) 1.30 +#define _PR_SI_ARCHITECTURE "sparc" 1.31 +#elif defined(__mips__) 1.32 +#define _PR_SI_ARCHITECTURE "mips" 1.33 +#elif defined(__arm32__) || defined(__arm__) || defined(__armel__) \ 1.34 + || defined(__armeb__) 1.35 +#define _PR_SI_ARCHITECTURE "arm" 1.36 +#endif 1.37 + 1.38 +#if defined(__ELF__) 1.39 +#define PR_DLL_SUFFIX ".so" 1.40 +#else 1.41 +#define PR_DLL_SUFFIX ".so.1.0" 1.42 +#endif 1.43 + 1.44 +#define _PR_VMBASE 0x30000000 1.45 +#define _PR_STACK_VMBASE 0x50000000 1.46 +#define _MD_DEFAULT_STACK_SIZE 65536L 1.47 +#define _MD_MMAP_FLAGS MAP_PRIVATE 1.48 + 1.49 +#undef HAVE_STACK_GROWING_UP 1.50 +#define HAVE_DLL 1.51 +#define USE_DLFCN 1.52 +#define _PR_HAVE_SOCKADDR_LEN 1.53 +#define _PR_NO_LARGE_FILES 1.54 +#define _PR_STAT_HAS_ST_ATIMESPEC 1.55 +#define _PR_POLL_AVAILABLE 1.56 +#define _PR_USE_POLL 1.57 +#define _PR_HAVE_SYSV_SEMAPHORES 1.58 +#define PR_HAVE_SYSV_NAMED_SHARED_MEMORY 1.59 + 1.60 +#if __NetBSD_Version__ >= 105000000 1.61 +#define _PR_INET6 1.62 +#define _PR_HAVE_INET_NTOP 1.63 +#define _PR_HAVE_GETHOSTBYNAME2 1.64 +#define _PR_HAVE_GETADDRINFO 1.65 +#define _PR_INET6_PROBE 1.66 +#endif 1.67 + 1.68 +#define USE_SETJMP 1.69 + 1.70 +#ifndef _PR_PTHREADS 1.71 +#include <setjmp.h> 1.72 + 1.73 +#define PR_CONTEXT_TYPE sigjmp_buf 1.74 + 1.75 +#define CONTEXT(_th) ((_th)->md.context) 1.76 + 1.77 +#if defined(__i386__) || defined(__sparc__) || defined(__m68k__) || defined(__powerpc__) 1.78 +#define JB_SP_INDEX 2 1.79 +#elif defined(__mips__) 1.80 +#define JB_SP_INDEX 4 1.81 +#elif defined(__alpha__) 1.82 +#define JB_SP_INDEX 34 1.83 +#elif defined(__arm32__) 1.84 +/* 1.85 + * On the arm32, the jmpbuf regs underwent a name change after NetBSD 1.3. 1.86 + */ 1.87 +#ifdef JMPBUF_REG_R13 1.88 +#define JB_SP_INDEX JMPBUF_REG_R13 1.89 +#else 1.90 +#define JB_SP_INDEX _JB_REG_R13 1.91 +#endif 1.92 +#else 1.93 +#error "Need to define SP index in jmp_buf here" 1.94 +#endif 1.95 +#define _MD_GET_SP(_th) (_th)->md.context[JB_SP_INDEX] 1.96 + 1.97 +#define PR_NUM_GCREGS _JBLEN 1.98 + 1.99 +/* 1.100 +** Initialize a thread context to run "_main()" when started 1.101 +*/ 1.102 +#define _MD_INIT_CONTEXT(_thread, _sp, _main, status) \ 1.103 +{ \ 1.104 + *status = PR_TRUE; \ 1.105 + if (sigsetjmp(CONTEXT(_thread), 1)) { \ 1.106 + _main(); \ 1.107 + } \ 1.108 + _MD_GET_SP(_thread) = (unsigned char*) ((_sp) - 64); \ 1.109 +} 1.110 + 1.111 +#define _MD_SWITCH_CONTEXT(_thread) \ 1.112 + if (!sigsetjmp(CONTEXT(_thread), 1)) { \ 1.113 + (_thread)->md.errcode = errno; \ 1.114 + _PR_Schedule(); \ 1.115 + } 1.116 + 1.117 +/* 1.118 +** Restore a thread context, saved by _MD_SWITCH_CONTEXT 1.119 +*/ 1.120 +#define _MD_RESTORE_CONTEXT(_thread) \ 1.121 +{ \ 1.122 + errno = (_thread)->md.errcode; \ 1.123 + _MD_SET_CURRENT_THREAD(_thread); \ 1.124 + siglongjmp(CONTEXT(_thread), 1); \ 1.125 +} 1.126 + 1.127 +/* Machine-dependent (MD) data structures */ 1.128 + 1.129 +struct _MDThread { 1.130 + PR_CONTEXT_TYPE context; 1.131 + int id; 1.132 + int errcode; 1.133 +}; 1.134 + 1.135 +struct _MDThreadStack { 1.136 + PRInt8 notused; 1.137 +}; 1.138 + 1.139 +struct _MDLock { 1.140 + PRInt8 notused; 1.141 +}; 1.142 + 1.143 +struct _MDSemaphore { 1.144 + PRInt8 notused; 1.145 +}; 1.146 + 1.147 +struct _MDCVar { 1.148 + PRInt8 notused; 1.149 +}; 1.150 + 1.151 +struct _MDSegment { 1.152 + PRInt8 notused; 1.153 +}; 1.154 + 1.155 +/* 1.156 + * md-specific cpu structure field 1.157 + */ 1.158 +#define _PR_MD_MAX_OSFD FD_SETSIZE 1.159 + 1.160 +struct _MDCPU_Unix { 1.161 + PRCList ioQ; 1.162 + PRUint32 ioq_timeout; 1.163 + PRInt32 ioq_max_osfd; 1.164 + PRInt32 ioq_osfd_cnt; 1.165 +#ifndef _PR_USE_POLL 1.166 + fd_set fd_read_set, fd_write_set, fd_exception_set; 1.167 + PRInt16 fd_read_cnt[_PR_MD_MAX_OSFD],fd_write_cnt[_PR_MD_MAX_OSFD], 1.168 + fd_exception_cnt[_PR_MD_MAX_OSFD]; 1.169 +#else 1.170 + struct pollfd *ioq_pollfds; 1.171 + int ioq_pollfds_size; 1.172 +#endif /* _PR_USE_POLL */ 1.173 +}; 1.174 + 1.175 +#define _PR_IOQ(_cpu) ((_cpu)->md.md_unix.ioQ) 1.176 +#define _PR_ADD_TO_IOQ(_pq, _cpu) PR_APPEND_LINK(&_pq.links, &_PR_IOQ(_cpu)) 1.177 +#define _PR_FD_READ_SET(_cpu) ((_cpu)->md.md_unix.fd_read_set) 1.178 +#define _PR_FD_READ_CNT(_cpu) ((_cpu)->md.md_unix.fd_read_cnt) 1.179 +#define _PR_FD_WRITE_SET(_cpu) ((_cpu)->md.md_unix.fd_write_set) 1.180 +#define _PR_FD_WRITE_CNT(_cpu) ((_cpu)->md.md_unix.fd_write_cnt) 1.181 +#define _PR_FD_EXCEPTION_SET(_cpu) ((_cpu)->md.md_unix.fd_exception_set) 1.182 +#define _PR_FD_EXCEPTION_CNT(_cpu) ((_cpu)->md.md_unix.fd_exception_cnt) 1.183 +#define _PR_IOQ_TIMEOUT(_cpu) ((_cpu)->md.md_unix.ioq_timeout) 1.184 +#define _PR_IOQ_MAX_OSFD(_cpu) ((_cpu)->md.md_unix.ioq_max_osfd) 1.185 +#define _PR_IOQ_OSFD_CNT(_cpu) ((_cpu)->md.md_unix.ioq_osfd_cnt) 1.186 +#define _PR_IOQ_POLLFDS(_cpu) ((_cpu)->md.md_unix.ioq_pollfds) 1.187 +#define _PR_IOQ_POLLFDS_SIZE(_cpu) ((_cpu)->md.md_unix.ioq_pollfds_size) 1.188 + 1.189 +#define _PR_IOQ_MIN_POLLFDS_SIZE(_cpu) 32 1.190 + 1.191 +struct _MDCPU { 1.192 + struct _MDCPU_Unix md_unix; 1.193 +}; 1.194 + 1.195 +#define _MD_INIT_LOCKS() 1.196 +#define _MD_NEW_LOCK(lock) PR_SUCCESS 1.197 +#define _MD_FREE_LOCK(lock) 1.198 +#define _MD_LOCK(lock) 1.199 +#define _MD_UNLOCK(lock) 1.200 +#define _MD_INIT_IO() 1.201 +#define _MD_IOQ_LOCK() 1.202 +#define _MD_IOQ_UNLOCK() 1.203 + 1.204 +#define _MD_INIT_RUNNING_CPU(cpu) _MD_unix_init_running_cpu(cpu) 1.205 +#define _MD_INIT_THREAD _MD_InitializeThread 1.206 +#define _MD_EXIT_THREAD(thread) 1.207 +#define _MD_SUSPEND_THREAD(thread) _MD_suspend_thread 1.208 +#define _MD_RESUME_THREAD(thread) _MD_resume_thread 1.209 +#define _MD_CLEAN_THREAD(_thread) 1.210 + 1.211 +#endif /* ! _PR_PTHREADS */ 1.212 + 1.213 +extern void _MD_EarlyInit(void); 1.214 + 1.215 +#define _MD_EARLY_INIT _MD_EarlyInit 1.216 +#define _MD_FINAL_INIT _PR_UnixInit 1.217 +#define _MD_INTERVAL_USE_GTOD 1.218 + 1.219 +/* 1.220 + * We wrapped the select() call. _MD_SELECT refers to the built-in, 1.221 + * unwrapped version. 1.222 + */ 1.223 +#define _MD_SELECT(nfds,r,w,e,tv) syscall(SYS_select,nfds,r,w,e,tv) 1.224 +#if defined(_PR_POLL_AVAILABLE) 1.225 +#include <poll.h> 1.226 +#define _MD_POLL(fds,nfds,timeout) syscall(SYS_poll,fds,nfds,timeout) 1.227 +#endif 1.228 + 1.229 +#if NetBSD1_3 == 1L 1.230 +typedef unsigned int nfds_t; 1.231 +#endif 1.232 + 1.233 +#endif /* nspr_netbsd_defs_h___ */