196 lines
5.6 KiB
C
196 lines
5.6 KiB
C
/* $NetBSD: exec_ecoff.h,v 1.10 1996/09/26 22:39:14 cgd Exp $ */
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/*-
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* Copyright (c) 1994 Adam Glass
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by Adam Glass.
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* 4. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* $FreeBSD$
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*/
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#ifndef _SYS_EXEC_ECOFF_H_
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#define _SYS_EXEC_ECOFF_H_
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#define ECOFF_LDPGSZ 4096
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#define ECOFF_PAD \
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u_short bldrev; /* XXX */
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#define ECOFF_MACHDEP \
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u_int gprmask; \
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u_int fprmask; \
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u_long gp_value
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#define ECOFF_MAGIC_ALPHA 0603
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#define ECOFF_MAGIC_NETBSD_ALPHA 0605
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#define ECOFF_BADMAG(ep) ((ep)->f.f_magic != ECOFF_MAGIC_ALPHA)
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#define ECOFF_FLAG_EXEC 0002
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#define ECOFF_SEGMENT_ALIGNMENT(ep) \
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(((ep)->f.f_flags & ECOFF_FLAG_EXEC) == 0 ? 8 : 16)
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struct ecoff_symhdr {
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int16_t magic;
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int16_t vstamp;
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int32_t lineMax;
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int32_t densenumMax;
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int32_t procMax;
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int32_t lsymMax;
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int32_t optsymMax;
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int32_t auxsymMax;
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int32_t lstrMax;
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int32_t estrMax;
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int32_t fdMax;
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int32_t rfdMax;
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int32_t esymMax;
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long linesize;
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long cbLineOffset;
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long cbDnOffset;
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long cbPdOffset;
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long cbSymOffset;
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long cbOptOffset;
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long cbAuxOffset;
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long cbSsOffset;
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long cbSsExtOffset;
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long cbFdOffset;
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long cbRfdOffset;
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long cbExtOffset;
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};
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struct ecoff_extsym {
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long es_value;
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int es_strindex;
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unsigned es_type:6;
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unsigned es_class:5;
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unsigned :1;
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unsigned es_symauxindex:20;
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unsigned es_jmptbl:1;
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unsigned es_cmain:1;
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unsigned es_weakext:1;
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unsigned :29;
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int es_indexfld;
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};
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struct ecoff_filehdr {
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u_short f_magic; /* magic number */
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u_short f_nscns; /* # of sections */
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u_int f_timdat; /* time and date stamp */
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u_long f_symptr; /* file offset of symbol table */
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u_int f_nsyms; /* # of symbol table entries */
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u_short f_opthdr; /* sizeof the optional header */
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u_short f_flags; /* flags??? */
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};
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struct ecoff_aouthdr {
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u_short magic;
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u_short vstamp;
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ECOFF_PAD
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u_long tsize;
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u_long dsize;
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u_long bsize;
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u_long entry;
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u_long text_start;
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u_long data_start;
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u_long bss_start;
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ECOFF_MACHDEP;
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};
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struct ecoff_scnhdr { /* needed for size info */
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char s_name[8]; /* name */
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u_long s_paddr; /* physical addr? for ROMing?*/
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u_long s_vaddr; /* virtual addr? */
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u_long s_size; /* size */
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u_long s_scnptr; /* file offset of raw data */
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u_long s_relptr; /* file offset of reloc data */
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u_long s_lnnoptr; /* file offset of line data */
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u_short s_nreloc; /* # of relocation entries */
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u_short s_nlnno; /* # of line entries */
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u_int s_flags; /* flags */
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};
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struct ecoff_exechdr {
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struct ecoff_filehdr f;
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struct ecoff_aouthdr a;
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};
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enum scnhdr_flags {
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STYP_REG = 0x00, /* regular (alloc'ed, reloc'ed, loaded) */
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STYP_DSECT = 0x01, /* dummy (reloc'd) */
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STYP_NOLOAD = 0x02, /* no-load (reloc'd) */
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STYP_GROUP = 0x04, /* grouped */
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STYP_PAD = 0x08, /* padding (loaded) */
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STYP_COPY = 0x10, /* ??? */
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STYP_TEXT = 0x20, /* text */
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STYP_DATA = 0x40, /* data */
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STYP_BSS = 0x80, /* bss */
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STYP_INFO = 0x200, /* comment (!loaded, !alloc'ed, !reloc'd) */
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STYP_OVER = 0x400, /* overlay (!allocated, reloc'd, !loaded) */
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STYP_LIB = 0x800 /* lists shared library files */
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};
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#define ECOFF_HDR_SIZE (sizeof(struct ecoff_exechdr))
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#define ECOFF_OMAGIC 0407
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#define ECOFF_NMAGIC 0410
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#define ECOFF_ZMAGIC 0413
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#define ECOFF_ROUND(value, by) \
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(((value) + (by) - 1) & ~((by) - 1))
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#define ECOFF_BLOCK_ALIGN(ep, value) \
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((ep)->a.magic == ECOFF_ZMAGIC ? ECOFF_ROUND((value), ECOFF_LDPGSZ) : \
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(value))
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#define ECOFF_TXTOFF(ep) \
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((ep)->a.magic == ECOFF_ZMAGIC ? 0 : \
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ECOFF_ROUND(ECOFF_HDR_SIZE + (ep)->f.f_nscns * \
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sizeof(struct ecoff_scnhdr), ECOFF_SEGMENT_ALIGNMENT(ep)))
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#define ECOFF_DATOFF(ep) \
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(ECOFF_BLOCK_ALIGN((ep), ECOFF_TXTOFF(ep) + (ep)->a.tsize))
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#define ECOFF_SEGMENT_ALIGN(ep, value) \
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(ECOFF_ROUND((value), ((ep)->a.magic == ECOFF_ZMAGIC ? ECOFF_LDPGSZ : \
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ECOFF_SEGMENT_ALIGNMENT(ep))))
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typedef struct {
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char *loader;
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char exec_path[PATH_MAX];
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char *executable;
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struct nameidata *ndp;
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} Osf_Auxargs;
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#define OSF1_EXEC_NAME (1001)
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#define OSF1_LOADER_NAME (1002)
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#define OSF1_LOADER_FLAGS (1003)
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#define DYNAMIC_FLAG 0x3000
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#define DEFAULT_LOADER "/sbin/loader"
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#endif /* !_SYS_EXEC_ECOFF_H_ */
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