| | 1 | /* |
| | 2 | * Copyright (c) 2000-2002 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 | * Copyright (c) 1994, The University of Utah and |
| | 24 | * the Center for Software Science at the University of Utah (CSS). |
| | 25 | * All rights reserved. |
| | 26 | * |
| | 27 | * Permission to use, copy, modify and distribute this software and its |
| | 28 | * documentation is hereby granted, provided that both the copyright |
| | 29 | * notice and this permission notice appear in all copies of the |
| | 30 | * software, derivative works or modified versions, and any portions |
| | 31 | * thereof, and that both notices appear in supporting documentation. |
| | 32 | * |
| | 33 | * THE UNIVERSITY OF UTAH AND CSS ALLOW FREE USE OF THIS SOFTWARE IN ITS "AS |
| | 34 | * IS" CONDITION. THE UNIVERSITY OF UTAH AND CSS DISCLAIM ANY LIABILITY OF |
| | 35 | * ANY KIND FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE. |
| | 36 | * |
| | 37 | * CSS requests users of this software to return to css-dist@cs.utah.edu any |
| | 38 | * improvements that they make and grant CSS redistribution rights. |
| | 39 | * |
| | 40 | */ |
| | 41 | |
| | 42 | #ifndef _BSD_PPC_EXEC_H_ |
| | 43 | #define _BSD_PPC_EXEC_H_ |
| | 44 | |
| | 45 | |
| | 46 | #include <sys/appleapiopts.h> |
| | 47 | |
| | 48 | #ifdef __APPLE_API_OBSOLETE |
| | 49 | /* Size of a page in an object file. */ |
| | 50 | #define __LDPGSZ 4096 |
| | 51 | |
| | 52 | /* Valid magic number check. */ |
| | 53 | #define N_BADMAG(ex) \ |
| | 54 | ((ex).a_magic != NMAGIC && (ex).a_magic != OMAGIC && \ |
| | 55 | (ex).a_magic != ZMAGIC) |
| | 56 | |
| | 57 | /* Address of the bottom of the text segment. */ |
| | 58 | #define N_TXTADDR(X) 0 |
| | 59 | |
| | 60 | /* Address of the bottom of the data segment. */ |
| | 61 | #define N_DATADDR(ex) \ |
| | 62 | (N_TXTADDR(ex) + ((ex).a_magic == OMAGIC ? (ex).a_text \ |
| | 63 | : __LDPGSZ + ((ex).a_text - 1 & ~(__LDPGSZ - 1)))) |
| | 64 | |
| | 65 | /* Text segment offset. */ |
| | 66 | #define N_TXTOFF(ex) \ |
| | 67 | ((ex).a_magic == ZMAGIC ? __LDPGSZ : sizeof(struct exec)) |
| | 68 | |
| | 69 | /* Data segment offset. */ |
| | 70 | #define N_DATOFF(ex) \ |
| | 71 | (N_TXTOFF(ex) + ((ex).a_magic != ZMAGIC ? (ex).a_text : \ |
| | 72 | __LDPGSZ + ((ex).a_text - 1 & ~(__LDPGSZ - 1)))) |
| | 73 | |
| | 74 | /* Symbol table offset. */ |
| | 75 | #define N_SYMOFF(ex) \ |
| | 76 | (N_TXTOFF(ex) + (ex).a_text + (ex).a_data + (ex).a_trsize + \ |
| | 77 | (ex).a_drsize) |
| | 78 | |
| | 79 | /* String table offset. */ |
| | 80 | #define N_STROFF(ex) (N_SYMOFF(ex) + (ex).a_syms) |
| | 81 | |
| | 82 | /* Description of the object file header (a.out format). */ |
| | 83 | struct exec { |
| | 84 | #define OMAGIC 0407 /* old impure format */ |
| | 85 | #define NMAGIC 0410 /* read-only text */ |
| | 86 | #define ZMAGIC 0413 /* demand load format */ |
| | 87 | #define QMAGIC 0314 /* demand load format. Header in text. */ |
| | 88 | unsigned int a_magic; /* magic number */ |
| | 89 | |
| | 90 | unsigned int a_text; /* text segment size */ |
| | 91 | unsigned int a_data; /* initialized data size */ |
| | 92 | unsigned int a_bss; /* uninitialized data size */ |
| | 93 | unsigned int a_syms; /* symbol table size */ |
| | 94 | unsigned int a_entry; /* entry point */ |
| | 95 | unsigned int a_trsize; /* text relocation size */ |
| | 96 | unsigned int a_drsize; /* data relocation size */ |
| | 97 | }; |
| | 98 | |
| | 99 | /* |
| | 100 | * Address of ps_strings structure (in user space). |
| | 101 | */ |
| | 102 | #define PS_STRINGS \ |
| | 103 | ((struct ps_strings *)(USRSTACK - sizeof(struct ps_strings))) |
| | 104 | |
| | 105 | #endif /* __APPLE_API_OBSOLETE */ |
| | 106 | |
| | 107 | #endif /* _BSD_PPC_EXEC_H_ */ |
| | 108 | |
projects / apple / xnu.git / blame_incremental