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 */
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