| | 1 | /* |
| | 2 | * Copyright (c) 2000 Apple Computer, Inc. All rights reserved. |
| | 3 | * |
| | 4 | * @APPLE_LICENSE_HEADER_START@ |
| | 5 | * |
| | 6 | * The contents of this file constitute Original Code as defined in and |
| | 7 | * are subject to the Apple Public Source License Version 1.1 (the |
| | 8 | * "License"). You may not use this file except in compliance with the |
| | 9 | * License. Please obtain a copy of the License at |
| | 10 | * http://www.apple.com/publicsource and read it before using this file. |
| | 11 | * |
| | 12 | * This Original Code and all software distributed under the License are |
| | 13 | * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER |
| | 14 | * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, |
| | 15 | * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, |
| | 16 | * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT. Please see the |
| | 17 | * License for the specific language governing rights and limitations |
| | 18 | * under the License. |
| | 19 | * |
| | 20 | * @APPLE_LICENSE_HEADER_END@ |
| | 21 | */ |
| | 22 | /* |
| | 23 | * @OSF_COPYRIGHT@ |
| | 24 | */ |
| | 25 | |
| | 26 | /* |
| | 27 | * File: machine/thread.h |
| | 28 | * |
| | 29 | * This file contains the structure definitions for the thread |
| | 30 | * state as applied to PPC processors. |
| | 31 | */ |
| | 32 | |
| | 33 | #ifndef _PPC_THREAD_H_ |
| | 34 | #define _PPC_THREAD_H_ |
| | 35 | |
| | 36 | #include <mach/machine/vm_types.h> |
| | 37 | |
| | 38 | /* |
| | 39 | * Return address of the function that called current function, given |
| | 40 | * address of the first parameter of current function. We can't |
| | 41 | * do it this way, since parameter was copied from a register |
| | 42 | * into a local variable. Call an assembly sub-function to |
| | 43 | * return this. |
| | 44 | */ |
| | 45 | |
| | 46 | extern vm_offset_t getrpc(void); |
| | 47 | #define GET_RETURN_PC(addr) getrpc() |
| | 48 | |
| | 49 | #define STACK_IKS(stack) \ |
| | 50 | ((vm_offset_t)(((vm_offset_t)stack)+KERNEL_STACK_SIZE)-FM_SIZE) |
| | 51 | |
| | 52 | #define syscall_emulation_sync(task) /* do nothing */ |
| | 53 | |
| | 54 | /* |
| | 55 | * Defining this indicates that MD code will supply an exception() |
| | 56 | * routine, conformant with kern/exception.c (dependency alert!) |
| | 57 | * but which does wonderfully fast, machine-dependent magic. |
| | 58 | */ |
| | 59 | |
| | 60 | #define MACHINE_FAST_EXCEPTION 1 |
| | 61 | |
| | 62 | #endif /* _PPC_THREAD_H_ */ |
| | 63 | |
| | 64 | |
projects / apple / xnu.git / blame_incremental