mirror of
https://github.com/mozilla/gecko-dev.git
synced 2024-10-23 18:26:15 +00:00
180 lines
4.6 KiB
C
180 lines
4.6 KiB
C
|
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
|
||
|
/*
|
||
|
* The contents of this file are subject to the Netscape Public License
|
||
|
* Version 1.0 (the "NPL"); you may not use this file except in
|
||
|
* compliance with the NPL. You may obtain a copy of the NPL at
|
||
|
* http://www.mozilla.org/NPL/
|
||
|
*
|
||
|
* Software distributed under the NPL is distributed on an "AS IS" basis,
|
||
|
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the NPL
|
||
|
* for the specific language governing rights and limitations under the
|
||
|
* NPL.
|
||
|
*
|
||
|
* The Initial Developer of this code under the NPL is Netscape
|
||
|
* Communications Corporation. Portions created by Netscape are
|
||
|
* Copyright (C) 1998 Netscape Communications Corporation. All Rights
|
||
|
* Reserved.
|
||
|
*/
|
||
|
|
||
|
#ifndef nspr_sunos_defs_h___
|
||
|
#define nspr_sunos_defs_h___
|
||
|
|
||
|
#include "md/sunos4.h"
|
||
|
|
||
|
/* On SunOS 4, memset is declared in memory.h */
|
||
|
#include <memory.h>
|
||
|
#include <errno.h>
|
||
|
#include <sys/syscall.h>
|
||
|
|
||
|
/*
|
||
|
* Internal configuration macros
|
||
|
*/
|
||
|
|
||
|
#define PR_LINKER_ARCH "sunos"
|
||
|
#define _PR_SI_SYSNAME "SUNOS"
|
||
|
#define _PR_SI_ARCHITECTURE "sparc"
|
||
|
#define PR_DLL_SUFFIX ".so.1.0"
|
||
|
|
||
|
/*
|
||
|
** For sunos type machines, don't specify an address because the
|
||
|
** NetBSD/SPARC O.S. does the wrong thing.
|
||
|
*/
|
||
|
#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
|
||
|
#undef HAVE_WEAK_IO_SYMBOLS
|
||
|
#undef HAVE_WEAK_MALLOC_SYMBOLS
|
||
|
#define HAVE_DLL
|
||
|
#define USE_DLFCN
|
||
|
#define NEED_STRFTIME_LOCK
|
||
|
#define NEED_TIME_R
|
||
|
#define HAVE_BSD_FLOCK
|
||
|
|
||
|
#define _MD_GET_INTERVAL _PR_UNIX_GetInterval
|
||
|
#define _MD_INTERVAL_PER_SEC _PR_UNIX_TicksPerSecond
|
||
|
|
||
|
#define USE_SETJMP
|
||
|
|
||
|
#include <setjmp.h>
|
||
|
|
||
|
#define _MD_GET_SP(_t) (_t)->md.context[2]
|
||
|
|
||
|
#define PR_NUM_GCREGS _JBLEN
|
||
|
|
||
|
#define CONTEXT(_th) ((_th)->md.context)
|
||
|
|
||
|
/*
|
||
|
** Initialize the thread context preparing it to execute _main.
|
||
|
*/
|
||
|
#define _MD_INIT_CONTEXT(_thread, _sp, _main, status) \
|
||
|
PR_BEGIN_MACRO \
|
||
|
int *context = (_thread)->md.context; \
|
||
|
*status = PR_TRUE; \
|
||
|
asm("ta 3"); \
|
||
|
(void) setjmp(context); \
|
||
|
(_thread)->md.context[2] = (int) ((_sp) - 64); \
|
||
|
(_thread)->md.context[2] &= ~7; \
|
||
|
(_thread)->md.context[3] = (int) _main; \
|
||
|
(_thread)->md.context[4] = (int) _main + 4; \
|
||
|
PR_END_MACRO
|
||
|
|
||
|
#define _MD_SWITCH_CONTEXT(_thread) \
|
||
|
asm("ta 3"); \
|
||
|
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); \
|
||
|
}
|
||
|
|
||
|
#pragma unknown_control_flow(longjmp)
|
||
|
#pragma unknown_control_flow(setjmp)
|
||
|
#pragma unknown_control_flow(_PR_Schedule)
|
||
|
|
||
|
/*
|
||
|
** Missing function prototypes
|
||
|
*/
|
||
|
|
||
|
extern int socket (int domain, int type, int protocol);
|
||
|
extern int getsockname (int s, struct sockaddr *name, int *namelen);
|
||
|
extern int getpeername (int s, struct sockaddr *name, int *namelen);
|
||
|
extern int getsockopt (int s, int level, int optname, char* optval, int* optlen);
|
||
|
extern int setsockopt (int s, int level, int optname, const char* optval, int optlen);
|
||
|
extern int accept (int s, struct sockaddr *addr, int *addrlen);
|
||
|
extern int listen (int s, int backlog);
|
||
|
extern int brk(void *);
|
||
|
extern void *sbrk(int);
|
||
|
|
||
|
|
||
|
/* Machine-dependent (MD) data structures. SunOS 4 has no native threads. */
|
||
|
|
||
|
struct _MDThread {
|
||
|
jmp_buf 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;
|
||
|
};
|
||
|
|
||
|
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()
|
||
|
|
||
|
/* These are copied from _solaris.h */
|
||
|
|
||
|
#define _MD_EARLY_INIT _MD_EarlyInit
|
||
|
#define _MD_FINAL_INIT _PR_UnixInit
|
||
|
#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)
|
||
|
#define _MD_RESUME_THREAD(thread)
|
||
|
#define _MD_CLEAN_THREAD(_thread)
|
||
|
|
||
|
/*
|
||
|
* 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)
|
||
|
#define _MD_POLL(fds,nfds,timeout) syscall(SYS_poll,fds,nfds,timeout)
|
||
|
|
||
|
#endif /* nspr_sparc_defs_h___ */
|