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freebsd_exec.h revision 1.6 
      1 /*	$NetBSD: freebsd_exec.h,v 1.6 2000/11/21 00:37:53 jdolecek 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. All advertising materials mentioning features or use of this software
     16  *    must display the following acknowledgement:
     17  *	This product includes software developed by the University of
     18  *	California, Berkeley and its contributors.
     19  * 4. Neither the name of the University nor the names of its contributors
     20  *    may be used to endorse or promote products derived from this software
     21  *    without specific prior written permission.
     22  *
     23  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
     24  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     25  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     26  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
     27  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     28  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     29  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     30  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     31  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     32  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     33  * SUCH DAMAGE.
     34  *
     35  *	from: @(#)exec.h	8.1 (Berkeley) 6/11/93
     36  *	from: imgact_aout.h,v 1.2 1994/12/30 08:06:19 bde Exp
     37  */
     38 
     39 #ifndef	_FREEBSD_EXEC_H
     40 #define	_FREEBSD_EXEC_H
     41 
     42 #ifdef EXEC_AOUT
     43 #define FREEBSD_N_GETMAGIC(ex) \
     44 	( (ex).a_midmag & 0xffff )
     45 #define FREEBSD_N_GETMID(ex) \
     46 	( ((ex).a_midmag >> 16) & 0x03ff )
     47 #define FREEBSD_N_GETFLAG(ex) \
     48 	( ((ex).a_midmag >> 26) & 0x3f )
     49 #define FREEBSD_N_SETMAGIC(ex,mag,mid,flag) \
     50 	( (ex).a_midmag = (((flag) & 0x3f) <<26) | (((mid) & 0x03ff) << 16) | \
     51 	((mag) & 0xffff) )
     52 
     53 #define FREEBSD_N_ALIGN(ex,x) \
     54 	(FREEBSD_N_GETMAGIC(ex) == ZMAGIC || \
     55 	 FREEBSD_N_GETMAGIC(ex) == QMAGIC ? \
     56 	 ((x) + FREEBSD___LDPGSZ - 1) & \
     57 	 ~(unsigned long)(FREEBSD___LDPGSZ - 1) : (x))
     58 
     59 /* Valid magic number check. */
     60 #define	FREEBSD_N_BADMAG(ex) \
     61 	(FREEBSD_N_GETMAGIC(ex) != OMAGIC && \
     62 	 FREEBSD_N_GETMAGIC(ex) != NMAGIC && \
     63 	 FREEBSD_N_GETMAGIC(ex) != ZMAGIC && \
     64 	 FREEBSD_N_GETMAGIC(ex) != QMAGIC)
     65 
     66 /* Address of the bottom of the text segment. */
     67 #define FREEBSD_N_TXTADDR(ex) \
     68 	((FREEBSD_N_GETMAGIC(ex) == OMAGIC || \
     69 	  FREEBSD_N_GETMAGIC(ex) == NMAGIC || \
     70 	  FREEBSD_N_GETMAGIC(ex) == ZMAGIC) ? 0 : __LDPGSZ)
     71 
     72 /* Address of the bottom of the data segment. */
     73 #define FREEBSD_N_DATADDR(ex) \
     74 	FREEBSD_N_ALIGN(ex, FREEBSD_N_TXTADDR(ex) + (ex).a_text)
     75 
     76 /* Text segment offset. */
     77 #define	FREEBSD_N_TXTOFF(ex) \
     78 	(FREEBSD_N_GETMAGIC(ex) == ZMAGIC ? __LDPGSZ : \
     79 	 FREEBSD_N_GETMAGIC(ex) == QMAGIC ? 0 : sizeof(struct exec))
     80 
     81 /* Data segment offset. */
     82 #define	FREEBSD_N_DATOFF(ex) \
     83 	FREEBSD_N_ALIGN(ex, FREEBSD_N_TXTOFF(ex) + (ex).a_text)
     84 
     85 /* Relocation table offset. */
     86 #define FREEBSD_N_RELOFF(ex) \
     87 	FREEBSD_N_ALIGN(ex, FREEBSD_N_DATOFF(ex) + (ex).a_data)
     88 
     89 /* Symbol table offset. */
     90 #define FREEBSD_N_SYMOFF(ex) \
     91 	(FREEBSD_N_RELOFF(ex) + (ex).a_trsize + (ex).a_drsize)
     92 
     93 /* String table offset. */
     94 #define	FREEBSD_N_STROFF(ex) 	(FREEBSD_N_SYMOFF(ex) + (ex).a_syms)
     95 
     96 #define	FREEBSD_AOUT_HDR_SIZE	sizeof(struct exec)
     97 
     98 int exec_freebsd_aout_makecmds __P((struct proc *, struct exec_package *));
     99 
    100 #endif /* EXEC_AOUT */
    101 
    102 #ifdef EXEC_ELF32
    103 #define FREEBSD_ELF_AUX_ARGSIZ	howmany(sizeof(Aux32Info) * 8, sizeof(char *))
    104 
    105 #define FREEBSD_ELF_BRAND_STRING "FreeBSD"
    106 #define FREEBSD_ELF_INTERP_PREFIX_STRING "/usr/libexec/ld-elf.so"
    107 
    108 int freebsd_elf32_probe __P((struct proc *, struct exec_package *, void *,
    109     char *, vaddr_t *));
    110 #endif /* EXEC_ELF32 */
    111 
    112 void freebsd_setregs __P((struct proc *, struct exec_package *, u_long));
    113 
    114 extern char freebsd_sigcode[], freebsd_esigcode[];
    115 extern const struct emul emul_freebsd;
    116 
    117 #endif /* !_FREEBSD_EXEC_H */
    118