sys/compat/freebsd/freebsd_exec.h

   1 /*      $NetBSD: freebsd_exec.h,v 1.16 2008/11/19 18:36:02 ad Exp $     */
   2
   3 /*-
   4  * Copyright (c) 1992, 1993
   5  *      The Regents of the University of California.  All rights reserved.
   6  *
   7  * Redistribution and use in source and binary forms, with or without
   8  * modification, are permitted provided that the following conditions
   9  * are met:
  10  * 1. Redistributions of source code must retain the above copyright
  11  *    notice, this list of conditions and the following disclaimer.
  12  * 2. Redistributions in binary form must reproduce the above copyright
  13  *    notice, this list of conditions and the following disclaimer in the
  14  *    documentation and/or other materials provided with the distribution.
  15  * 3. Neither the name of the University nor the names of its contributors
  16  *    may be used to endorse or promote products derived from this software
  17  *    without specific prior written permission.
  18  *
  19  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
  20  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  21  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  22  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
  23  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  24  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  25  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  26  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  27  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  28  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  29  * SUCH DAMAGE.
  30  *
  31  *      from: @(#)exec.h        8.1 (Berkeley) 6/11/93
  32  *      from: imgact_aout.h,v 1.2 1994/12/30 08:06:19 bde Exp
  33  */
  34
  35 #ifndef _FREEBSD_EXEC_H
  36 #define _FREEBSD_EXEC_H
  37
  38 #ifdef EXEC_AOUT
  39 #define FREEBSD_N_GETMAGIC(ex) \
  40         ( (ex).a_midmag & 0xffff )
  41 #define FREEBSD_N_GETMID(ex) \
  42         ( ((ex).a_midmag >> 16) & 0x03ff )
  43 #define FREEBSD_N_GETFLAG(ex) \
  44         ( ((ex).a_midmag >> 26) & 0x3f )
  45 #define FREEBSD_N_SETMAGIC(ex,mag,mid,flag) \
  46         ( (ex).a_midmag = (((flag) & 0x3f) <<26) | (((mid) & 0x03ff) << 16) | \
  47         ((mag) & 0xffff) )
  48
  49 #define FREEBSD_N_ALIGN(ex,x) \
  50         (FREEBSD_N_GETMAGIC(ex) == ZMAGIC || \
  51          FREEBSD_N_GETMAGIC(ex) == QMAGIC ? \
  52          ((x) + FREEBSD___LDPGSZ - 1) & \
  53          ~(unsigned long)(FREEBSD___LDPGSZ - 1) : (x))
  54
  55 /* Valid magic number check. */
  56 #define FREEBSD_N_BADMAG(ex) \
  57         (FREEBSD_N_GETMAGIC(ex) != OMAGIC && \
  58          FREEBSD_N_GETMAGIC(ex) != NMAGIC && \
  59          FREEBSD_N_GETMAGIC(ex) != ZMAGIC && \
  60          FREEBSD_N_GETMAGIC(ex) != QMAGIC)
  61
  62 /* Address of the bottom of the text segment. */
  63 #define FREEBSD_N_TXTADDR(ex) \
  64         ((FREEBSD_N_GETMAGIC(ex) == OMAGIC || \
  65           FREEBSD_N_GETMAGIC(ex) == NMAGIC || \
  66           FREEBSD_N_GETMAGIC(ex) == ZMAGIC) ? 0 : AOUT_LDPGSZ)
  67
  68 /* Address of the bottom of the data segment. */
  69 #define FREEBSD_N_DATADDR(ex) \
  70         FREEBSD_N_ALIGN(ex, FREEBSD_N_TXTADDR(ex) + (ex).a_text)
  71
  72 /* Text segment offset. */
  73 #define FREEBSD_N_TXTOFF(ex) \
  74         (FREEBSD_N_GETMAGIC(ex) == ZMAGIC ? AOUT_LDPGSZ : \
  75          FREEBSD_N_GETMAGIC(ex) == QMAGIC ? 0 : sizeof(struct exec))
  76
  77 /* Data segment offset. */
  78 #define FREEBSD_N_DATOFF(ex) \
  79         FREEBSD_N_ALIGN(ex, FREEBSD_N_TXTOFF(ex) + (ex).a_text)
  80
  81 /* Relocation table offset. */
  82 #define FREEBSD_N_RELOFF(ex) \
  83         FREEBSD_N_ALIGN(ex, FREEBSD_N_DATOFF(ex) + (ex).a_data)
  84
  85 /* Symbol table offset. */
  86 #define FREEBSD_N_SYMOFF(ex) \
  87         (FREEBSD_N_RELOFF(ex) + (ex).a_trsize + (ex).a_drsize)
  88
  89 /* String table offset. */
  90 #define FREEBSD_N_STROFF(ex)    (FREEBSD_N_SYMOFF(ex) + (ex).a_syms)
  91
  92 #define FREEBSD_AOUT_HDR_SIZE   sizeof(struct exec)
  93
  94 int exec_freebsd_aout_makecmds(struct lwp *, struct exec_package *);
  95
  96 #endif /* EXEC_AOUT */
  97
  98 #ifdef EXEC_ELF32
  99 #define FREEBSD_ELF_BRAND_STRING "FreeBSD"
 100 #define FREEBSD_ELF_INTERP_PREFIX_STRING "/usr/libexec/ld-elf.so"
 101
 102 int freebsd_elf32_probe(struct lwp *, struct exec_package *, void *,
 103     char *, vaddr_t *);
 104 #endif /* EXEC_ELF32 */
 105
 106 void freebsd_setregs(struct lwp *, struct exec_package *, vaddr_t);
 107
 108 extern char freebsd_sigcode[], freebsd_esigcode[];
 109 extern struct emul emul_freebsd;
 110
 111 #endif /* !_FREEBSD_EXEC_H */