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