| 1 | /*- |
| 2 | * Copyright (c) 1991 The Regents of the University of California. |
| 3 | * All rights reserved. |
| 4 | * |
| 5 | * Redistribution and use in source and binary forms, with or without |
| 6 | * modification, are permitted provided that the following conditions |
| 7 | * are met: |
| 8 | * 1. Redistributions of source code must retain the above copyright |
| 9 | * notice, this list of conditions and the following disclaimer. |
| 10 | * 2. Redistributions in binary form must reproduce the above copyright |
| 11 | * notice, this list of conditions and the following disclaimer in the |
| 12 | * documentation and/or other materials provided with the distribution. |
| 13 | * 3. All advertising materials mentioning features or use of this software |
| 14 | * must display the following acknowledgement: |
| 15 | * This product includes software developed by the University of |
| 16 | * California, Berkeley and its contributors. |
| 17 | * 4. Neither the name of the University nor the names of its contributors |
| 18 | * may be used to endorse or promote products derived from this software |
| 19 | * without specific prior written permission. |
| 20 | * |
| 21 | * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND |
| 22 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| 23 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
| 24 | * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE |
| 25 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
| 26 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
| 27 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
| 28 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
| 29 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
| 30 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
| 31 | * SUCH DAMAGE. |
| 32 | * |
| 33 | * @(#)a.out.h 5.6 (Berkeley) 4/30/91 |
| 34 | */ |
| 35 | |
| 36 | #ifndef _AOUT_H_ |
| 37 | #define _AOUT_H_ |
| 38 | |
| 39 | #include <sys/exec.h> |
| 40 | |
| 41 | #if defined(hp300) || defined(i386) |
| 42 | #define __LDPGSZ 4096 |
| 43 | #endif |
| 44 | #if defined(tahoe) || defined(vax) |
| 45 | #define __LDPGSZ 1024 |
| 46 | #endif |
| 47 | |
| 48 | /* Valid magic number check. */ |
| 49 | #define N_BADMAG(ex) \ |
| 50 | ((ex).a_magic != NMAGIC && (ex).a_magic != OMAGIC && \ |
| 51 | (ex).a_magic != ZMAGIC) |
| 52 | |
| 53 | /* Address of the bottom of the text segment. */ |
| 54 | #define N_TXTADDR(X) 0 |
| 55 | |
| 56 | /* Address of the bottom of the data segment. */ |
| 57 | #define N_DATADDR(ex) \ |
| 58 | (N_TXTADDR(ex) + ((ex).a_magic == OMAGIC ? (ex).a_text \ |
| 59 | : __LDPGSZ + ((ex).a_text - 1 & ~(__LDPGSZ - 1)))) |
| 60 | |
| 61 | /* Text segment offset. */ |
| 62 | #define N_TXTOFF(ex) \ |
| 63 | ((ex).a_magic == ZMAGIC ? __LDPGSZ : sizeof(struct exec)) |
| 64 | |
| 65 | /* Data segment offset. */ |
| 66 | #define N_DATOFF(ex) \ |
| 67 | (N_TXTOFF(ex) + ((ex).a_magic != ZMAGIC ? (ex).a_text \ |
| 68 | : __LDPGSZ + ((ex).a_text - 1 & ~(__LDPGSZ - 1)))) |
| 69 | |
| 70 | /* Symbol table offset. */ |
| 71 | #define N_SYMOFF(ex) \ |
| 72 | (N_TXTOFF(ex) + (ex).a_text + (ex).a_data + (ex).a_trsize + \ |
| 73 | (ex).a_drsize) |
| 74 | |
| 75 | /* String table offset. */ |
| 76 | #define N_STROFF(ex) (N_SYMOFF(ex) + (ex).a_syms) |
| 77 | |
| 78 | /* Relocation format. */ |
| 79 | struct relocation_info { |
| 80 | int r_address; /* offset in text or data segment */ |
| 81 | unsigned int r_symbolnum : 24, /* ordinal number of add symbol */ |
| 82 | r_pcrel : 1, /* 1 if value should be pc-relative */ |
| 83 | r_length : 2, /* log base 2 of value's width */ |
| 84 | r_extern : 1, /* 1 if need to add symbol to value */ |
| 85 | : 4; /* reserved */ |
| 86 | }; |
| 87 | |
| 88 | #define _AOUT_INCLUDE_ |
| 89 | #include <nlist.h> |
| 90 | |
| 91 | #endif /* !_AOUT_H_ */ |