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gecko/nsprpub/pr/include/md/_netbsd.h
Wan-Teh Chang 1b8ad5515d Bug 456449: updated NSPR to NSPR_HEAD_20090204.
2009-02-04 20:49:21 -08:00

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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* ***** BEGIN LICENSE BLOCK *****
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
* http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is the Netscape Portable Runtime (NSPR).
*
* The Initial Developer of the Original Code is
* Netscape Communications Corporation.
* Portions created by the Initial Developer are Copyright (C) 1998-2000
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
*
* Alternatively, the contents of this file may be used under the terms of
* either the GNU General Public License Version 2 or later (the "GPL"), or
* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
* of those above. If you wish to allow use of your version of this file only
* under the terms of either the GPL or the LGPL, and not to allow others to
* use your version of this file under the terms of the MPL, indicate your
* decision by deleting the provisions above and replace them with the notice
* and other provisions required by the GPL or the LGPL. If you do not delete
* the provisions above, a recipient may use your version of this file under
* the terms of any one of the MPL, the GPL or the LGPL.
*
* ***** END LICENSE BLOCK ***** */
#ifndef nspr_netbsd_defs_h___
#define nspr_netbsd_defs_h___
#include <sys/syscall.h>
#include <sys/param.h> /* for __NetBSD_Version__ */
#define PR_LINKER_ARCH "netbsd"
#define _PR_SI_SYSNAME "NetBSD"
#if defined(__i386__)
#define _PR_SI_ARCHITECTURE "x86"
#elif defined(__alpha__)
#define _PR_SI_ARCHITECTURE "alpha"
#elif defined(__amd64__)
#define _PR_SI_ARCHITECTURE "amd64"
#elif defined(__m68k__)
#define _PR_SI_ARCHITECTURE "m68k"
#elif defined(__powerpc__)
#define _PR_SI_ARCHITECTURE "powerpc"
#elif defined(__sparc_v9__)
#define _PR_SI_ARCHITECTURE "sparc64"
#elif defined(__sparc__)
#define _PR_SI_ARCHITECTURE "sparc"
#elif defined(__mips__)
#define _PR_SI_ARCHITECTURE "mips"
#elif defined(__arm32__) || defined(__arm__) || defined(__armel__) \
|| defined(__armeb__)
#define _PR_SI_ARCHITECTURE "arm"
#endif
#if defined(__ELF__)
#define PR_DLL_SUFFIX ".so"
#else
#define PR_DLL_SUFFIX ".so.1.0"
#endif
#define _PR_VMBASE 0x30000000
#define _PR_STACK_VMBASE 0x50000000
#define _MD_DEFAULT_STACK_SIZE 65536L
#define _MD_MMAP_FLAGS MAP_PRIVATE
#undef HAVE_STACK_GROWING_UP
#define HAVE_DLL
#define USE_DLFCN
#define _PR_HAVE_SOCKADDR_LEN
#define _PR_NO_LARGE_FILES
#define _PR_STAT_HAS_ST_ATIMESPEC
#define _PR_POLL_AVAILABLE
#define _PR_USE_POLL
#define _PR_HAVE_SYSV_SEMAPHORES
#define PR_HAVE_SYSV_NAMED_SHARED_MEMORY
#if __NetBSD_Version__ >= 105000000
#define _PR_INET6
#define _PR_HAVE_INET_NTOP
#define _PR_HAVE_GETHOSTBYNAME2
#define _PR_HAVE_GETADDRINFO
#define _PR_INET6_PROBE
#endif
#define USE_SETJMP
#ifndef _PR_PTHREADS
#include <setjmp.h>
#define PR_CONTEXT_TYPE sigjmp_buf
#define CONTEXT(_th) ((_th)->md.context)
#if defined(__i386__) || defined(__sparc__) || defined(__m68k__) || defined(__powerpc__)
#define JB_SP_INDEX 2
#elif defined(__mips__)
#define JB_SP_INDEX 4
#elif defined(__alpha__)
#define JB_SP_INDEX 34
#elif defined(__arm32__)
/*
* On the arm32, the jmpbuf regs underwent a name change after NetBSD 1.3.
*/
#ifdef JMPBUF_REG_R13
#define JB_SP_INDEX JMPBUF_REG_R13
#else
#define JB_SP_INDEX _JB_REG_R13
#endif
#else
#error "Need to define SP index in jmp_buf here"
#endif
#define _MD_GET_SP(_th) (_th)->md.context[JB_SP_INDEX]
#define PR_NUM_GCREGS _JBLEN
/*
** Initialize a thread context to run "_main()" when started
*/
#define _MD_INIT_CONTEXT(_thread, _sp, _main, status) \
{ \
*status = PR_TRUE; \
if (sigsetjmp(CONTEXT(_thread), 1)) { \
_main(); \
} \
_MD_GET_SP(_thread) = (unsigned char*) ((_sp) - 64); \
}
#define _MD_SWITCH_CONTEXT(_thread) \
if (!sigsetjmp(CONTEXT(_thread), 1)) { \
(_thread)->md.errcode = errno; \
_PR_Schedule(); \
}
/*
** Restore a thread context, saved by _MD_SWITCH_CONTEXT
*/
#define _MD_RESTORE_CONTEXT(_thread) \
{ \
errno = (_thread)->md.errcode; \
_MD_SET_CURRENT_THREAD(_thread); \
siglongjmp(CONTEXT(_thread), 1); \
}
/* Machine-dependent (MD) data structures */
struct _MDThread {
PR_CONTEXT_TYPE context;
int id;
int errcode;
};
struct _MDThreadStack {
PRInt8 notused;
};
struct _MDLock {
PRInt8 notused;
};
struct _MDSemaphore {
PRInt8 notused;
};
struct _MDCVar {
PRInt8 notused;
};
struct _MDSegment {
PRInt8 notused;
};
/*
* md-specific cpu structure field
*/
#define _PR_MD_MAX_OSFD FD_SETSIZE
struct _MDCPU_Unix {
PRCList ioQ;
PRUint32 ioq_timeout;
PRInt32 ioq_max_osfd;
PRInt32 ioq_osfd_cnt;
#ifndef _PR_USE_POLL
fd_set fd_read_set, fd_write_set, fd_exception_set;
PRInt16 fd_read_cnt[_PR_MD_MAX_OSFD],fd_write_cnt[_PR_MD_MAX_OSFD],
fd_exception_cnt[_PR_MD_MAX_OSFD];
#else
struct pollfd *ioq_pollfds;
int ioq_pollfds_size;
#endif /* _PR_USE_POLL */
};
#define _PR_IOQ(_cpu) ((_cpu)->md.md_unix.ioQ)
#define _PR_ADD_TO_IOQ(_pq, _cpu) PR_APPEND_LINK(&_pq.links, &_PR_IOQ(_cpu))
#define _PR_FD_READ_SET(_cpu) ((_cpu)->md.md_unix.fd_read_set)
#define _PR_FD_READ_CNT(_cpu) ((_cpu)->md.md_unix.fd_read_cnt)
#define _PR_FD_WRITE_SET(_cpu) ((_cpu)->md.md_unix.fd_write_set)
#define _PR_FD_WRITE_CNT(_cpu) ((_cpu)->md.md_unix.fd_write_cnt)
#define _PR_FD_EXCEPTION_SET(_cpu) ((_cpu)->md.md_unix.fd_exception_set)
#define _PR_FD_EXCEPTION_CNT(_cpu) ((_cpu)->md.md_unix.fd_exception_cnt)
#define _PR_IOQ_TIMEOUT(_cpu) ((_cpu)->md.md_unix.ioq_timeout)
#define _PR_IOQ_MAX_OSFD(_cpu) ((_cpu)->md.md_unix.ioq_max_osfd)
#define _PR_IOQ_OSFD_CNT(_cpu) ((_cpu)->md.md_unix.ioq_osfd_cnt)
#define _PR_IOQ_POLLFDS(_cpu) ((_cpu)->md.md_unix.ioq_pollfds)
#define _PR_IOQ_POLLFDS_SIZE(_cpu) ((_cpu)->md.md_unix.ioq_pollfds_size)
#define _PR_IOQ_MIN_POLLFDS_SIZE(_cpu) 32
struct _MDCPU {
struct _MDCPU_Unix md_unix;
};
#define _MD_INIT_LOCKS()
#define _MD_NEW_LOCK(lock) PR_SUCCESS
#define _MD_FREE_LOCK(lock)
#define _MD_LOCK(lock)
#define _MD_UNLOCK(lock)
#define _MD_INIT_IO()
#define _MD_IOQ_LOCK()
#define _MD_IOQ_UNLOCK()
#define _MD_INIT_RUNNING_CPU(cpu) _MD_unix_init_running_cpu(cpu)
#define _MD_INIT_THREAD _MD_InitializeThread
#define _MD_EXIT_THREAD(thread)
#define _MD_SUSPEND_THREAD(thread) _MD_suspend_thread
#define _MD_RESUME_THREAD(thread) _MD_resume_thread
#define _MD_CLEAN_THREAD(_thread)
#endif /* ! _PR_PTHREADS */
extern void _MD_EarlyInit(void);
extern PRIntervalTime _PR_UNIX_GetInterval(void);
extern PRIntervalTime _PR_UNIX_TicksPerSecond(void);
#define _MD_EARLY_INIT _MD_EarlyInit
#define _MD_FINAL_INIT _PR_UnixInit
#define _MD_GET_INTERVAL _PR_UNIX_GetInterval
#define _MD_INTERVAL_PER_SEC _PR_UNIX_TicksPerSecond
/*
* We wrapped the select() call. _MD_SELECT refers to the built-in,
* unwrapped version.
*/
#define _MD_SELECT(nfds,r,w,e,tv) syscall(SYS_select,nfds,r,w,e,tv)
#if defined(_PR_POLL_AVAILABLE)
#include <poll.h>
#define _MD_POLL(fds,nfds,timeout) syscall(SYS_poll,fds,nfds,timeout)
#endif
#if NetBSD1_3 == 1L
typedef unsigned int nfds_t;
#endif
#endif /* nspr_netbsd_defs_h___ */
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