/* -*- 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_nextstep_defs_h___ #define nspr_nextstep_defs_h___ #include "prthread.h" #include #include /* syscall() is not declared in NEXTSTEP's syscall.h ... */ extern int syscall(int number, ...); /* * Internal configuration macros */ #define PR_LINKER_ARCH "nextstep" #define _PR_SI_SYSNAME "NEXTSTEP" #if defined(__sparc__) #define _PR_SI_ARCHITECTURE "sparc" #elif defined(__m68k__) #define _PR_SI_ARCHITECTURE "m68k" #elif defined(__i386__) #define _PR_SI_ARCHITECTURE "x86" #else error Unknown NEXTSTEP architecture #endif #define PR_DLL_SUFFIX ".so" #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_WEAK_MALLOC_SYMBOLS #define HAVE_DLL #define USE_MACH_DYLD #define _PR_STAT_HAS_ONLY_ST_ATIME #define _PR_NO_LARGE_FILES #define USE_SETJMP #ifndef _PR_PTHREADS #include #define PR_CONTEXT_TYPE jmp_buf #define CONTEXT(_th) ((_th)->md.context) /* balazs.pataki@sztaki.hu: ** __sparc__ is checked ** __m68k__ is checked ** __i386__ is a guess (one of the two defines should work) */ #if defined(__sparc__) #define _MD_GET_SP(_th) (_th)->md.context[2] #elif defined(__m68k__) #define _MD_GET_SP(_th) (_th)->md.context[2] #elif defined(__i386__) /* One of this two must be OK ... try using sc_onstack */ #define _MD_GET_SP(_th) (((struct sigcontext *) (_th)->md.context)->sc_onstack) //#define _MD_GET_SP(_th) (_th)->md.context[0].sc_esp #else error Unknown NEXTSTEP architecture #endif #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 (setjmp(CONTEXT(_thread))) { \ _main(); \ } \ _MD_GET_SP(_thread) = (int) ((_sp) - 64); \ } #define _MD_SWITCH_CONTEXT(_thread) \ if (!setjmp(CONTEXT(_thread))) { \ (_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); \ longjmp(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() extern PRStatus _MD_InitializeThread(PRThread *thread); #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) extern PRStatus _MD_CREATE_THREAD( PRThread *thread, void (*start) (void *), PRThreadPriority priority, PRThreadScope scope, PRThreadState state, PRUint32 stackSize); extern void _MD_SET_PRIORITY(struct _MDThread *thread, PRUintn newPri); extern PRStatus _MD_WAIT(PRThread *, PRIntervalTime timeout); extern PRStatus _MD_WAKEUP_WAITER(PRThread *); extern void _MD_YIELD(void); #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) /* For writev() */ #include /* signal.h */ /* balazs.pataki@sztaki.hu: this is stolen from sunos4.h. The things is that ** NEXTSTEP doesn't support these flags for `struct sigaction's sa_flags, so ** I have to fake them ... */ #define SA_RESTART 0 /* mmap */ /* balazs.pataki@sztaki.hu: NEXTSTEP doesn't have mmap, at least not ** publically. We have sys/mman.h, but it doesn't declare mmap(), and ** PROT_NONE is also missing. syscall.h has entries for mmap, munmap, and ** mprotect so I wrap these in nextstep.c as mmap(), munmap() and mprotect() ** and pray for it to work. ** */ caddr_t mmap(caddr_t addr, size_t len, int prot, int flags, int fildes, off_t off); int munmap(caddr_t addr, size_t len); int mprotect(caddr_t addr, size_t len, int prot); /* my_mmap() is implemented in nextstep.c and is based on map_fd() of mach. */ caddr_t my_mmap(caddr_t addr, size_t len, int prot, int flags, int fildes, off_t off); int my_munmap(caddr_t addr, size_t len); /* string.h */ /* balazs.pataki@sztaki.hu: this is missing so implemenetd in nextstep.c ... */ char *strdup(const char *s1); /* unistd.h */ /* balazs.pataki@sztaki.hu: these functions are hidden, though correctly ** implemented in NEXTSTEP. Here I give the declaration for them to be used ** by prmalloc.c, and I have a wrapped syscall() version of them in nextstep.c */ int brk(void *endds); void *sbrk(int incr); #endif /* nspr_nextstep_defs_h___ */