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Annotation of sys/compat/freebsd/freebsd_exec.h, Revision 1.1

1.1     ! nbrk        1: /*     $OpenBSD: freebsd_exec.h,v 1.7 2004/04/15 00:22:42 tedu 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: #define FREEBSD_N_GETMAGIC(ex) \
        !            39:        ( (ex).a_midmag & 0xffff )
        !            40: #define FREEBSD_N_GETMID(ex) \
        !            41:        ( ((ex).a_midmag >> 16) & 0x03ff )
        !            42: #define FREEBSD_N_GETFLAG(ex) \
        !            43:        ( ((ex).a_midmag >> 26) & 0x3f )
        !            44: #define FREEBSD_N_SETMAGIC(ex,mag,mid,flag) \
        !            45:        ( (ex).a_midmag = (((flag) & 0x3f) <<26) | (((mid) & 0x03ff) << 16) | \
        !            46:        ((mag) & 0xffff) )
        !            47:
        !            48: #define FREEBSD_N_ALIGN(ex,x) \
        !            49:        (FREEBSD_N_GETMAGIC(ex) == ZMAGIC || \
        !            50:         FREEBSD_N_GETMAGIC(ex) == QMAGIC ? \
        !            51:         ((x) + FREEBSD___LDPGSZ - 1) & \
        !            52:         ~(unsigned long)(FREEBSD___LDPGSZ - 1) : (x))
        !            53:
        !            54: /* Valid magic number check. */
        !            55: #define        FREEBSD_N_BADMAG(ex) \
        !            56:        (FREEBSD_N_GETMAGIC(ex) != OMAGIC && \
        !            57:         FREEBSD_N_GETMAGIC(ex) != NMAGIC && \
        !            58:         FREEBSD_N_GETMAGIC(ex) != ZMAGIC && \
        !            59:         FREEBSD_N_GETMAGIC(ex) != QMAGIC)
        !            60:
        !            61: /* Address of the bottom of the text segment. */
        !            62: #define FREEBSD_N_TXTADDR(ex) \
        !            63:        ((FREEBSD_N_GETMAGIC(ex) == OMAGIC || \
        !            64:          FREEBSD_N_GETMAGIC(ex) == NMAGIC || \
        !            65:          FREEBSD_N_GETMAGIC(ex) == ZMAGIC) ? 0 : __LDPGSZ)
        !            66:
        !            67: /* Address of the bottom of the data segment. */
        !            68: #define FREEBSD_N_DATADDR(ex) \
        !            69:        FREEBSD_N_ALIGN(ex, FREEBSD_N_TXTADDR(ex) + (ex).a_text)
        !            70:
        !            71: /* Text segment offset. */
        !            72: #define        FREEBSD_N_TXTOFF(ex) \
        !            73:        (FREEBSD_N_GETMAGIC(ex) == ZMAGIC ? __LDPGSZ : \
        !            74:         FREEBSD_N_GETMAGIC(ex) == QMAGIC ? 0 : sizeof(struct exec))
        !            75:
        !            76: /* Data segment offset. */
        !            77: #define        FREEBSD_N_DATOFF(ex) \
        !            78:        FREEBSD_N_ALIGN(ex, FREEBSD_N_TXTOFF(ex) + (ex).a_text)
        !            79:
        !            80: /* Relocation table offset. */
        !            81: #define FREEBSD_N_RELOFF(ex) \
        !            82:        FREEBSD_N_ALIGN(ex, FREEBSD_N_DATOFF(ex) + (ex).a_data)
        !            83:
        !            84: /* Symbol table offset. */
        !            85: #define FREEBSD_N_SYMOFF(ex) \
        !            86:        (FREEBSD_N_RELOFF(ex) + (ex).a_trsize + (ex).a_drsize)
        !            87:
        !            88: /* String table offset. */
        !            89: #define        FREEBSD_N_STROFF(ex)    (FREEBSD_N_SYMOFF(ex) + (ex).a_syms)
        !            90:
        !            91: #define FREEBSD_ELF_AUX_ARGSIZ (sizeof(AuxInfo) * 15 / sizeof(char *))
        !            92:
        !            93: #define        FREEBSD_AOUT_HDR_SIZE   sizeof(struct exec)
        !            94:
        !            95: int exec_freebsd_aout_makecmds(struct proc *, struct exec_package *);
        !            96: int exec_freebsd_elf32_makecmds(struct proc *, struct exec_package *);
        !            97: int freebsd_elf_probe(struct proc *, struct exec_package *, char *,
        !            98:     u_long *, u_int8_t *);
        !            99:
        !           100: extern char freebsd_sigcode[], freebsd_esigcode[];
        !           101:
        !           102: #endif /* !_FREEBSD_EXEC_H */