/* * Copyright (c) 2000 Apple Computer, Inc. All rights reserved. * * @APPLE_LICENSE_HEADER_START@ * * The contents of this file constitute Original Code as defined in and * are subject to the Apple Public Source License Version 1.1 (the * "License"). You may not use this file except in compliance with the * License. Please obtain a copy of the License at * http://www.apple.com/publicsource and read it before using this file. * * This Original Code and all software distributed under the License are * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT. Please see the * License for the specific language governing rights and limitations * under the License. * * @APPLE_LICENSE_HEADER_END@ */ /* * @OSF_COPYRIGHT@ */ /* * File: machine/thread.h * * This file contains the structure definitions for the thread * state as applied to PPC processors. */ #ifndef _PPC_THREAD_H_ #define _PPC_THREAD_H_ #include <mach/machine/vm_types.h> /* * Return address of the function that called current function, given * address of the first parameter of current function. We can't * do it this way, since parameter was copied from a register * into a local variable. Call an assembly sub-function to * return this. */ extern vm_offset_t getrpc(void); #define GET_RETURN_PC(addr) getrpc() #define STACK_IKS(stack) \ ((vm_offset_t)(((vm_offset_t)stack)+KERNEL_STACK_SIZE)-FM_SIZE) #define syscall_emulation_sync(task) /* do nothing */ /* * Defining this indicates that MD code will supply an exception() * routine, conformant with kern/exception.c (dependency alert!) * but which does wonderfully fast, machine-dependent magic. */ #define MACHINE_FAST_EXCEPTION 1 #endif /* _PPC_THREAD_H_ */