/*-
* SPDX-License-Identifier: BSD-3-Clause
*
* Copyright (c) 1992, 1993
* The Regents of the University of California. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* from: @(#)exec.h 8.1 (Berkeley) 6/11/93
* $FreeBSD$
*/
#ifndef _IMGACT_AOUT_H_
#define _IMGACT_AOUT_H_
#define N_GETMAGIC(ex) \
( le32toh((ex).a_midmag) & 0xffff )
#define N_GETMID(ex) \
( (N_GETMAGIC_NET(ex) == ZMAGIC) ? N_GETMID_NET(ex) : \
((ex).a_midmag >> 16) & 0x03ff )
#define N_GETFLAG(ex) \
( (N_GETMAGIC_NET(ex) == ZMAGIC) ? N_GETFLAG_NET(ex) : \
((ex).a_midmag >> 26) & 0x3f )
#define N_SETMAGIC(ex,mag,mid,flag) \
( (ex).a_midmag = htole32((((flag) & 0x3f) <<26) | \
(((mid) & 0x03ff) << 16) | \
((mag) & 0xffff)) )
#define N_GETMAGIC_NET(ex) \
(ntohl((ex).a_midmag) & 0xffff)
#define N_GETMID_NET(ex) \
((ntohl((ex).a_midmag) >> 16) & 0x03ff)
#define N_GETFLAG_NET(ex) \
((ntohl((ex).a_midmag) >> 26) & 0x3f)
#define N_SETMAGIC_NET(ex,mag,mid,flag) \
( (ex).a_midmag = htonl( (((flag)&0x3f)<<26) | (((mid)&0x03ff)<<16) \
| (((mag)&0xffff)) ) )
#define N_ALIGN(ex,x) \
(N_GETMAGIC(ex) == ZMAGIC || N_GETMAGIC(ex) == QMAGIC || \
N_GETMAGIC_NET(ex) == ZMAGIC || N_GETMAGIC_NET(ex) == QMAGIC ? \
((x) + __LDPGSZ - 1) & ~(uint32_t)(__LDPGSZ - 1) : (x))
/* Valid magic number check. */
#define N_BADMAG(ex) \
(N_GETMAGIC(ex) != OMAGIC && N_GETMAGIC(ex) != NMAGIC && \
N_GETMAGIC(ex) != ZMAGIC && N_GETMAGIC(ex) != QMAGIC && \
N_GETMAGIC_NET(ex) != OMAGIC && N_GETMAGIC_NET(ex) != NMAGIC && \
N_GETMAGIC_NET(ex) != ZMAGIC && N_GETMAGIC_NET(ex) != QMAGIC)
/* Address of the bottom of the text segment. */
/*
* This can not be done right. Abuse a_entry in some cases to handle kernels.
*/
#define N_TXTADDR(ex) \
((N_GETMAGIC(ex) == OMAGIC || N_GETMAGIC(ex) == NMAGIC || \
N_GETMAGIC(ex) == ZMAGIC) ? \
(le32toh((ex).a_entry) < le32toh((ex).a_text) ? 0 : \
le32toh((ex).a_entry) & ~__LDPGSZ) : __LDPGSZ)
/* Address of the bottom of the data segment. */
#define N_DATADDR(ex) \
N_ALIGN(ex, N_TXTADDR(ex) + le32toh((ex).a_text))
/* Text segment offset. */
#define N_TXTOFF(ex) \
(N_GETMAGIC(ex) == ZMAGIC ? __LDPGSZ : (N_GETMAGIC(ex) == QMAGIC || \
N_GETMAGIC_NET(ex) == ZMAGIC) ? 0 : sizeof(struct exec))
/* Data segment offset. */
#define N_DATOFF(ex) \
N_ALIGN(ex, N_TXTOFF(ex) + le32toh((ex).a_text))
/* Relocation table offset. */
#define N_RELOFF(ex) \
N_ALIGN(ex, N_DATOFF(ex) + le32toh((ex).a_data))
/* Symbol table offset. */
#define N_SYMOFF(ex) \
(N_RELOFF(ex) + le32toh((ex).a_trsize) + le32toh((ex).a_drsize))
/* String table offset. */
#define N_STROFF(ex) (N_SYMOFF(ex) + le32toh((ex).a_syms))
/*
* Header prepended to each a.out file.
* Only manipulate the a_midmag field via the
* N_SETMAGIC/N_GET{MAGIC,MID,FLAG} macros.
*/
struct exec {
uint32_t a_midmag; /* flags<<26 | mid<<16 | magic */
uint32_t a_text; /* text segment size */
uint32_t a_data; /* initialized data size */
uint32_t a_bss; /* uninitialized data size */
uint32_t a_syms; /* symbol table size */
uint32_t a_entry; /* entry point */
uint32_t a_trsize; /* text relocation size */
uint32_t a_drsize; /* data relocation size */
};
#define a_magic a_midmag /* Hack for emulators */
/* a_magic */
#define OMAGIC 0407 /* old impure format */
#define NMAGIC 0410 /* read-only text */
#define ZMAGIC 0413 /* demand load format */
#define QMAGIC 0314 /* "compact" demand load format */
/* a_mid */
#define MID_ZERO 0 /* unknown - implementation dependent */
#define MID_SUN010 1 /* sun 68010/68020 binary */
#define MID_SUN020 2 /* sun 68020-only binary */
#define MID_I386 134 /* i386 BSD binary */
#define MID_SPARC 138 /* sparc */
#define MID_ARM6 143 /* ARM6 */
#define MID_HP200 200 /* hp200 (68010) BSD binary */
#define MID_HP300 300 /* hp300 (68020+68881) BSD binary */
#define MID_HPUX 0x20C /* hp200/300 HP-UX binary */
#define MID_HPUX800 0x20B /* hp800 HP-UX binary */
/*
* a_flags
*/
#define EX_PIC 0x10 /* contains position independent code */
#define EX_DYNAMIC 0x20 /* contains run-time link-edit info */
#define EX_DPMASK 0x30 /* mask for the above */
#ifdef _KERNEL
struct thread;
struct vnode;
int aout_coredump(struct thread *td, struct vnode *vp, off_t limit,
int flags);
#endif
#endif /* !_IMGACT_AOUT_H_ */
