124881d11SDavid Greenman /*- 2*51369649SPedro F. Giffuni * SPDX-License-Identifier: BSD-3-Clause 3*51369649SPedro F. Giffuni * 424881d11SDavid Greenman * Copyright (c) 1992, 1993 524881d11SDavid Greenman * The Regents of the University of California. All rights reserved. 624881d11SDavid Greenman * 724881d11SDavid Greenman * Redistribution and use in source and binary forms, with or without 824881d11SDavid Greenman * modification, are permitted provided that the following conditions 924881d11SDavid Greenman * are met: 1024881d11SDavid Greenman * 1. Redistributions of source code must retain the above copyright 1124881d11SDavid Greenman * notice, this list of conditions and the following disclaimer. 1224881d11SDavid Greenman * 2. Redistributions in binary form must reproduce the above copyright 1324881d11SDavid Greenman * notice, this list of conditions and the following disclaimer in the 1424881d11SDavid Greenman * documentation and/or other materials provided with the distribution. 15fbbd9655SWarner Losh * 3. Neither the name of the University nor the names of its contributors 1624881d11SDavid Greenman * may be used to endorse or promote products derived from this software 1724881d11SDavid Greenman * without specific prior written permission. 1824881d11SDavid Greenman * 1924881d11SDavid Greenman * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 2024881d11SDavid Greenman * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 2124881d11SDavid Greenman * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 2224881d11SDavid Greenman * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 2324881d11SDavid Greenman * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 2424881d11SDavid Greenman * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 2524881d11SDavid Greenman * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 2624881d11SDavid Greenman * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 2724881d11SDavid Greenman * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 2824881d11SDavid Greenman * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 2924881d11SDavid Greenman * SUCH DAMAGE. 3024881d11SDavid Greenman */ 3124881d11SDavid Greenman 3224881d11SDavid Greenman #ifndef _IMGACT_AOUT_H_ 3324881d11SDavid Greenman #define _IMGACT_AOUT_H_ 3424881d11SDavid Greenman 3524881d11SDavid Greenman #define N_GETMAGIC(ex) \ 3649a39408SDavid E. O'Brien ( le32toh((ex).a_midmag) & 0xffff ) 3724881d11SDavid Greenman #define N_GETMID(ex) \ 3824881d11SDavid Greenman ( (N_GETMAGIC_NET(ex) == ZMAGIC) ? N_GETMID_NET(ex) : \ 3924881d11SDavid Greenman ((ex).a_midmag >> 16) & 0x03ff ) 4024881d11SDavid Greenman #define N_GETFLAG(ex) \ 4124881d11SDavid Greenman ( (N_GETMAGIC_NET(ex) == ZMAGIC) ? N_GETFLAG_NET(ex) : \ 4224881d11SDavid Greenman ((ex).a_midmag >> 26) & 0x3f ) 4324881d11SDavid Greenman #define N_SETMAGIC(ex,mag,mid,flag) \ 4449a39408SDavid E. O'Brien ( (ex).a_midmag = htole32((((flag) & 0x3f) <<26) | \ 4549a39408SDavid E. O'Brien (((mid) & 0x03ff) << 16) | \ 4649a39408SDavid E. O'Brien ((mag) & 0xffff)) ) 4724881d11SDavid Greenman 4824881d11SDavid Greenman #define N_GETMAGIC_NET(ex) \ 4990ce56c2SThomas Moestl (ntohl((ex).a_midmag) & 0xffff) 5024881d11SDavid Greenman #define N_GETMID_NET(ex) \ 5190ce56c2SThomas Moestl ((ntohl((ex).a_midmag) >> 16) & 0x03ff) 5224881d11SDavid Greenman #define N_GETFLAG_NET(ex) \ 5390ce56c2SThomas Moestl ((ntohl((ex).a_midmag) >> 26) & 0x3f) 5424881d11SDavid Greenman #define N_SETMAGIC_NET(ex,mag,mid,flag) \ 5590ce56c2SThomas Moestl ( (ex).a_midmag = htonl( (((flag)&0x3f)<<26) | (((mid)&0x03ff)<<16) \ 56fd8e4ebcSMike Barcroft | (((mag)&0xffff)) ) ) 5724881d11SDavid Greenman 5824881d11SDavid Greenman #define N_ALIGN(ex,x) \ 5924881d11SDavid Greenman (N_GETMAGIC(ex) == ZMAGIC || N_GETMAGIC(ex) == QMAGIC || \ 6024881d11SDavid Greenman N_GETMAGIC_NET(ex) == ZMAGIC || N_GETMAGIC_NET(ex) == QMAGIC ? \ 6149a39408SDavid E. O'Brien ((x) + __LDPGSZ - 1) & ~(uint32_t)(__LDPGSZ - 1) : (x)) 6224881d11SDavid Greenman 6324881d11SDavid Greenman /* Valid magic number check. */ 6424881d11SDavid Greenman #define N_BADMAG(ex) \ 6524881d11SDavid Greenman (N_GETMAGIC(ex) != OMAGIC && N_GETMAGIC(ex) != NMAGIC && \ 6624881d11SDavid Greenman N_GETMAGIC(ex) != ZMAGIC && N_GETMAGIC(ex) != QMAGIC && \ 6724881d11SDavid Greenman N_GETMAGIC_NET(ex) != OMAGIC && N_GETMAGIC_NET(ex) != NMAGIC && \ 6824881d11SDavid Greenman N_GETMAGIC_NET(ex) != ZMAGIC && N_GETMAGIC_NET(ex) != QMAGIC) 6924881d11SDavid Greenman 7024881d11SDavid Greenman /* Address of the bottom of the text segment. */ 71ea354351SBruce Evans /* 72ea354351SBruce Evans * This can not be done right. Abuse a_entry in some cases to handle kernels. 73ea354351SBruce Evans */ 7424881d11SDavid Greenman #define N_TXTADDR(ex) \ 7524881d11SDavid Greenman ((N_GETMAGIC(ex) == OMAGIC || N_GETMAGIC(ex) == NMAGIC || \ 76ea354351SBruce Evans N_GETMAGIC(ex) == ZMAGIC) ? \ 7749a39408SDavid E. O'Brien (le32toh((ex).a_entry) < le32toh((ex).a_text) ? 0 : \ 7849a39408SDavid E. O'Brien le32toh((ex).a_entry) & ~__LDPGSZ) : __LDPGSZ) 7924881d11SDavid Greenman 8024881d11SDavid Greenman /* Address of the bottom of the data segment. */ 8124881d11SDavid Greenman #define N_DATADDR(ex) \ 8249a39408SDavid E. O'Brien N_ALIGN(ex, N_TXTADDR(ex) + le32toh((ex).a_text)) 8324881d11SDavid Greenman 8424881d11SDavid Greenman /* Text segment offset. */ 8524881d11SDavid Greenman #define N_TXTOFF(ex) \ 8624881d11SDavid Greenman (N_GETMAGIC(ex) == ZMAGIC ? __LDPGSZ : (N_GETMAGIC(ex) == QMAGIC || \ 8724881d11SDavid Greenman N_GETMAGIC_NET(ex) == ZMAGIC) ? 0 : sizeof(struct exec)) 8824881d11SDavid Greenman 8924881d11SDavid Greenman /* Data segment offset. */ 9024881d11SDavid Greenman #define N_DATOFF(ex) \ 9149a39408SDavid E. O'Brien N_ALIGN(ex, N_TXTOFF(ex) + le32toh((ex).a_text)) 9224881d11SDavid Greenman 9324881d11SDavid Greenman /* Relocation table offset. */ 9424881d11SDavid Greenman #define N_RELOFF(ex) \ 9549a39408SDavid E. O'Brien N_ALIGN(ex, N_DATOFF(ex) + le32toh((ex).a_data)) 9624881d11SDavid Greenman 9724881d11SDavid Greenman /* Symbol table offset. */ 9824881d11SDavid Greenman #define N_SYMOFF(ex) \ 9949a39408SDavid E. O'Brien (N_RELOFF(ex) + le32toh((ex).a_trsize) + le32toh((ex).a_drsize)) 10024881d11SDavid Greenman 10124881d11SDavid Greenman /* String table offset. */ 10249a39408SDavid E. O'Brien #define N_STROFF(ex) (N_SYMOFF(ex) + le32toh((ex).a_syms)) 10324881d11SDavid Greenman 10424881d11SDavid Greenman /* 10524881d11SDavid Greenman * Header prepended to each a.out file. 10615e34306SMaxim Konovalov * Only manipulate the a_midmag field via the 10760dc30aaSMaxim Konovalov * N_SETMAGIC/N_GET{MAGIC,MID,FLAG} macros. 10824881d11SDavid Greenman */ 10924881d11SDavid Greenman 11024881d11SDavid Greenman struct exec { 11149a39408SDavid E. O'Brien uint32_t a_midmag; /* flags<<26 | mid<<16 | magic */ 11249a39408SDavid E. O'Brien uint32_t a_text; /* text segment size */ 11349a39408SDavid E. O'Brien uint32_t a_data; /* initialized data size */ 11449a39408SDavid E. O'Brien uint32_t a_bss; /* uninitialized data size */ 11549a39408SDavid E. O'Brien uint32_t a_syms; /* symbol table size */ 11649a39408SDavid E. O'Brien uint32_t a_entry; /* entry point */ 11749a39408SDavid E. O'Brien uint32_t a_trsize; /* text relocation size */ 11849a39408SDavid E. O'Brien uint32_t a_drsize; /* data relocation size */ 11924881d11SDavid Greenman }; 120acdb2ef4SWarner Losh #define a_magic a_midmag /* Hack for emulators */ 12124881d11SDavid Greenman 12224881d11SDavid Greenman /* a_magic */ 12324881d11SDavid Greenman #define OMAGIC 0407 /* old impure format */ 12424881d11SDavid Greenman #define NMAGIC 0410 /* read-only text */ 12524881d11SDavid Greenman #define ZMAGIC 0413 /* demand load format */ 12624881d11SDavid Greenman #define QMAGIC 0314 /* "compact" demand load format */ 12724881d11SDavid Greenman 12824881d11SDavid Greenman /* a_mid */ 12924881d11SDavid Greenman #define MID_ZERO 0 /* unknown - implementation dependent */ 13024881d11SDavid Greenman #define MID_SUN010 1 /* sun 68010/68020 binary */ 13124881d11SDavid Greenman #define MID_SUN020 2 /* sun 68020-only binary */ 13224881d11SDavid Greenman #define MID_I386 134 /* i386 BSD binary */ 13324881d11SDavid Greenman #define MID_SPARC 138 /* sparc */ 13474a90a09SOlivier Houchard #define MID_ARM6 143 /* ARM6 */ 13524881d11SDavid Greenman #define MID_HP200 200 /* hp200 (68010) BSD binary */ 13624881d11SDavid Greenman #define MID_HP300 300 /* hp300 (68020+68881) BSD binary */ 13724881d11SDavid Greenman #define MID_HPUX 0x20C /* hp200/300 HP-UX binary */ 13824881d11SDavid Greenman #define MID_HPUX800 0x20B /* hp800 HP-UX binary */ 13924881d11SDavid Greenman 14024881d11SDavid Greenman /* 14124881d11SDavid Greenman * a_flags 14224881d11SDavid Greenman */ 1436c5e9bbdSMike Pritchard #define EX_PIC 0x10 /* contains position independent code */ 14424881d11SDavid Greenman #define EX_DYNAMIC 0x20 /* contains run-time link-edit info */ 14524881d11SDavid Greenman #define EX_DPMASK 0x30 /* mask for the above */ 14624881d11SDavid Greenman 147664a31e4SPeter Wemm #ifdef _KERNEL 148b40ce416SJulian Elischer struct thread; 149680f22fbSBruce Evans struct vnode; 15022d4b0fbSJohn Polstra 151e7228204SAlfred Perlstein int aout_coredump(struct thread *td, struct vnode *vp, off_t limit, 152e7228204SAlfred Perlstein int flags); 153664a31e4SPeter Wemm #endif 15422d4b0fbSJohn Polstra 15524881d11SDavid Greenman #endif /* !_IMGACT_AOUT_H_ */ 156