13056Sdg/*- 23056Sdg * Copyright (c) 1992, 1993 33056Sdg * The Regents of the University of California. All rights reserved. 43056Sdg * 53056Sdg * Redistribution and use in source and binary forms, with or without 63056Sdg * modification, are permitted provided that the following conditions 73056Sdg * are met: 83056Sdg * 1. Redistributions of source code must retain the above copyright 93056Sdg * notice, this list of conditions and the following disclaimer. 103056Sdg * 2. Redistributions in binary form must reproduce the above copyright 113056Sdg * notice, this list of conditions and the following disclaimer in the 123056Sdg * documentation and/or other materials provided with the distribution. 133056Sdg * 4. Neither the name of the University nor the names of its contributors 143056Sdg * may be used to endorse or promote products derived from this software 153056Sdg * without specific prior written permission. 163056Sdg * 173056Sdg * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 183056Sdg * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 193056Sdg * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 203056Sdg * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 213056Sdg * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 223056Sdg * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 233056Sdg * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 243056Sdg * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 253056Sdg * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 263056Sdg * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 273056Sdg * SUCH DAMAGE. 283056Sdg * 293056Sdg * from: @(#)exec.h 8.1 (Berkeley) 6/11/93 3050477Speter * $FreeBSD$ 313056Sdg */ 323056Sdg 333056Sdg#ifndef _IMGACT_AOUT_H_ 343056Sdg#define _IMGACT_AOUT_H_ 353056Sdg 363056Sdg#define N_GETMAGIC(ex) \ 37130927Sobrien ( le32toh((ex).a_midmag) & 0xffff ) 383056Sdg#define N_GETMID(ex) \ 393056Sdg ( (N_GETMAGIC_NET(ex) == ZMAGIC) ? N_GETMID_NET(ex) : \ 403056Sdg ((ex).a_midmag >> 16) & 0x03ff ) 413056Sdg#define N_GETFLAG(ex) \ 423056Sdg ( (N_GETMAGIC_NET(ex) == ZMAGIC) ? N_GETFLAG_NET(ex) : \ 433056Sdg ((ex).a_midmag >> 26) & 0x3f ) 443056Sdg#define N_SETMAGIC(ex,mag,mid,flag) \ 45130927Sobrien ( (ex).a_midmag = htole32((((flag) & 0x3f) <<26) | \ 46130927Sobrien (((mid) & 0x03ff) << 16) | \ 47130927Sobrien ((mag) & 0xffff)) ) 483056Sdg 493056Sdg#define N_GETMAGIC_NET(ex) \ 5091394Stmm (ntohl((ex).a_midmag) & 0xffff) 513056Sdg#define N_GETMID_NET(ex) \ 5291394Stmm ((ntohl((ex).a_midmag) >> 16) & 0x03ff) 533056Sdg#define N_GETFLAG_NET(ex) \ 5491394Stmm ((ntohl((ex).a_midmag) >> 26) & 0x3f) 553056Sdg#define N_SETMAGIC_NET(ex,mag,mid,flag) \ 5691394Stmm ( (ex).a_midmag = htonl( (((flag)&0x3f)<<26) | (((mid)&0x03ff)<<16) \ 5790868Smike | (((mag)&0xffff)) ) ) 583056Sdg 593056Sdg#define N_ALIGN(ex,x) \ 603056Sdg (N_GETMAGIC(ex) == ZMAGIC || N_GETMAGIC(ex) == QMAGIC || \ 613056Sdg N_GETMAGIC_NET(ex) == ZMAGIC || N_GETMAGIC_NET(ex) == QMAGIC ? \ 62130927Sobrien ((x) + __LDPGSZ - 1) & ~(uint32_t)(__LDPGSZ - 1) : (x)) 633056Sdg 643056Sdg/* Valid magic number check. */ 653056Sdg#define N_BADMAG(ex) \ 663056Sdg (N_GETMAGIC(ex) != OMAGIC && N_GETMAGIC(ex) != NMAGIC && \ 673056Sdg N_GETMAGIC(ex) != ZMAGIC && N_GETMAGIC(ex) != QMAGIC && \ 683056Sdg N_GETMAGIC_NET(ex) != OMAGIC && N_GETMAGIC_NET(ex) != NMAGIC && \ 693056Sdg N_GETMAGIC_NET(ex) != ZMAGIC && N_GETMAGIC_NET(ex) != QMAGIC) 703056Sdg 713056Sdg 723056Sdg/* Address of the bottom of the text segment. */ 7331863Sbde/* 7431863Sbde * This can not be done right. Abuse a_entry in some cases to handle kernels. 7531863Sbde */ 763056Sdg#define N_TXTADDR(ex) \ 773056Sdg ((N_GETMAGIC(ex) == OMAGIC || N_GETMAGIC(ex) == NMAGIC || \ 7831863Sbde N_GETMAGIC(ex) == ZMAGIC) ? \ 79130927Sobrien (le32toh((ex).a_entry) < le32toh((ex).a_text) ? 0 : \ 80130927Sobrien le32toh((ex).a_entry) & ~__LDPGSZ) : __LDPGSZ) 813056Sdg 823056Sdg/* Address of the bottom of the data segment. */ 833056Sdg#define N_DATADDR(ex) \ 84130927Sobrien N_ALIGN(ex, N_TXTADDR(ex) + le32toh((ex).a_text)) 853056Sdg 863056Sdg/* Text segment offset. */ 873056Sdg#define N_TXTOFF(ex) \ 883056Sdg (N_GETMAGIC(ex) == ZMAGIC ? __LDPGSZ : (N_GETMAGIC(ex) == QMAGIC || \ 898876Srgrimes N_GETMAGIC_NET(ex) == ZMAGIC) ? 0 : sizeof(struct exec)) 903056Sdg 913056Sdg/* Data segment offset. */ 923056Sdg#define N_DATOFF(ex) \ 93130927Sobrien N_ALIGN(ex, N_TXTOFF(ex) + le32toh((ex).a_text)) 943056Sdg 953056Sdg/* Relocation table offset. */ 963056Sdg#define N_RELOFF(ex) \ 97130927Sobrien N_ALIGN(ex, N_DATOFF(ex) + le32toh((ex).a_data)) 983056Sdg 993056Sdg/* Symbol table offset. */ 1003056Sdg#define N_SYMOFF(ex) \ 101130927Sobrien (N_RELOFF(ex) + le32toh((ex).a_trsize) + le32toh((ex).a_drsize)) 1023056Sdg 1033056Sdg/* String table offset. */ 104130927Sobrien#define N_STROFF(ex) (N_SYMOFF(ex) + le32toh((ex).a_syms)) 1053056Sdg 1063056Sdg/* 1073056Sdg * Header prepended to each a.out file. 108145996Smaxim * Only manipulate the a_midmag field via the 109145994Smaxim * N_SETMAGIC/N_GET{MAGIC,MID,FLAG} macros. 1103056Sdg */ 1113056Sdg 1123056Sdgstruct exec { 113130927Sobrien uint32_t a_midmag; /* flags<<26 | mid<<16 | magic */ 114130927Sobrien uint32_t a_text; /* text segment size */ 115130927Sobrien uint32_t a_data; /* initialized data size */ 116130927Sobrien uint32_t a_bss; /* uninitialized data size */ 117130927Sobrien uint32_t a_syms; /* symbol table size */ 118130927Sobrien uint32_t a_entry; /* entry point */ 119130927Sobrien uint32_t a_trsize; /* text relocation size */ 120130927Sobrien uint32_t a_drsize; /* data relocation size */ 1213056Sdg}; 122237695Simp#define a_magic a_midmag /* Hack for emulators */ 1233056Sdg 1243056Sdg/* a_magic */ 1253056Sdg#define OMAGIC 0407 /* old impure format */ 1263056Sdg#define NMAGIC 0410 /* read-only text */ 1273056Sdg#define ZMAGIC 0413 /* demand load format */ 1283056Sdg#define QMAGIC 0314 /* "compact" demand load format */ 1293056Sdg 1303056Sdg/* a_mid */ 1313056Sdg#define MID_ZERO 0 /* unknown - implementation dependent */ 1323056Sdg#define MID_SUN010 1 /* sun 68010/68020 binary */ 1333056Sdg#define MID_SUN020 2 /* sun 68020-only binary */ 1343056Sdg#define MID_I386 134 /* i386 BSD binary */ 1353056Sdg#define MID_SPARC 138 /* sparc */ 136128941Scognet#define MID_ARM6 143 /* ARM6 */ 1373056Sdg#define MID_HP200 200 /* hp200 (68010) BSD binary */ 1383056Sdg#define MID_HP300 300 /* hp300 (68020+68881) BSD binary */ 1393056Sdg#define MID_HPUX 0x20C /* hp200/300 HP-UX binary */ 1403056Sdg#define MID_HPUX800 0x20B /* hp800 HP-UX binary */ 1413056Sdg 1423056Sdg/* 1433056Sdg * a_flags 1443056Sdg */ 14513765Smpp#define EX_PIC 0x10 /* contains position independent code */ 1463056Sdg#define EX_DYNAMIC 0x20 /* contains run-time link-edit info */ 1473056Sdg#define EX_DPMASK 0x30 /* mask for the above */ 1483056Sdg 14955205Speter#ifdef _KERNEL 15083366Sjulianstruct thread; 151102952Sbdestruct vnode; 15239154Sjdp 153204552Salfredint aout_coredump(struct thread *td, struct vnode *vp, off_t limit, 154204552Salfred int flags); 15555205Speter#endif 15639154Sjdp 1573056Sdg#endif /* !_IMGACT_AOUT_H_ */ 158