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- /* -*- 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_nec_defs_h___
- #define nspr_nec_defs_h___
-
- /*
- * Internal configuration macros
- */
-
- #define PR_LINKER_ARCH "nec"
- #define _PR_SI_SYSNAME "NEC"
- #define _PR_SI_ARCHITECTURE "mips"
- #define PR_DLL_SUFFIX ".so"
-
- #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 NEED_TIME_R
- #define NEED_STRFTIME_LOCK
-
- #include <ucontext.h>
- #include <sys/regset.h>
-
- #define PR_NUM_GCREGS NGREG
- #define PR_CONTEXT_TYPE ucontext_t
-
- #define CONTEXT(_thread) (&(_thread)->md.context)
-
- #define _MD_GET_SP(_t) (_t)->md.context.uc_mcontext.gregs[CXT_SP]
-
- /*
- ** Initialize the thread context preparing it to execute "e(o,a)"
- */
- #define _MD_INIT_CONTEXT(thread, _sp, _main, status) \
- { \
- *status = PR_TRUE; \
- getcontext(CONTEXT(thread)); \
- CONTEXT(thread)->uc_stack.ss_sp = (char*) (thread)->stack->stackBottom; \
- CONTEXT(thread)->uc_stack.ss_size = (thread)->stack->stackSize; \
- _MD_GET_SP(thread) = (greg_t) _sp - 64; \
- makecontext(CONTEXT(thread), _main, 0); \
- }
-
- #define _MD_SWITCH_CONTEXT(_thread) \
- if (!getcontext(CONTEXT(_thread))) { \
- (_thread)->md.errcode = errno; \
- _PR_Schedule(); \
- }
-
- /*
- ** Restore a thread context, saved by _MD_SWITCH_CONTEXT
- */
- #define _MD_RESTORE_CONTEXT(_thread) \
- { \
- ucontext_t *uc = CONTEXT(_thread); \
- uc->uc_mcontext.gregs[CXT_V0] = 1; \
- uc->uc_mcontext.gregs[CXT_A3] = 0; \
- errno = (_thread)->md.errcode; \
- _MD_SET_CURRENT_THREAD(_thread); \
- setcontext(uc); \
- }
-
- /* 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;
- };
-
- 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_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_CLEAN_THREAD(_thread)
-
- #define _MD_SELECT _select
- #define _MD_POLL _poll
-
- #define _MD_GET_INTERVAL _PR_UNIX_GetInterval
- #define _MD_INTERVAL_PER_SEC _PR_UNIX_TicksPerSecond
-
- #endif /* nspr_nec_defs_h___ */
-