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Diffstat (limited to 'include/mach/exec/a.out.h')
| -rw-r--r-- | include/mach/exec/a.out.h | 68 |
1 files changed, 68 insertions, 0 deletions
diff --git a/include/mach/exec/a.out.h b/include/mach/exec/a.out.h new file mode 100644 index 00000000..c6dcaff3 --- /dev/null +++ b/include/mach/exec/a.out.h @@ -0,0 +1,68 @@ +/* + * Copyright (c) 1994 The University of Utah and + * the Computer Systems Laboratory at the University of Utah (CSL). + * All rights reserved. + * + * Permission to use, copy, modify and distribute this software is hereby + * granted provided that (1) source code retains these copyright, permission, + * and disclaimer notices, and (2) redistributions including binaries + * reproduce the notices in supporting documentation, and (3) all advertising + * materials mentioning features or use of this software display the following + * acknowledgement: ``This product includes software developed by the + * Computer Systems Laboratory at the University of Utah.'' + * + * THE UNIVERSITY OF UTAH AND CSL ALLOW FREE USE OF THIS SOFTWARE IN ITS "AS + * IS" CONDITION. THE UNIVERSITY OF UTAH AND CSL DISCLAIM ANY LIABILITY OF + * ANY KIND FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE. + * + * CSL requests users of this software to return to csl-dist@cs.utah.edu any + * improvements that they make and grant CSL redistribution rights. + * + * Author: Bryan Ford, University of Utah CSL + */ +#ifndef _MACH_A_OUT_ +#define _MACH_A_OUT_ + +struct exec +{ + unsigned long a_magic; /* magic number */ + unsigned long a_text; /* size of text segment */ + unsigned long a_data; /* size of initialized data */ + unsigned long a_bss; /* size of uninitialized data */ + unsigned long a_syms; /* size of symbol table */ + unsigned long a_entry; /* entry point */ + unsigned long a_trsize; /* size of text relocation */ + unsigned long a_drsize; /* size of data relocation */ +}; + +struct nlist { + long n_strx; + unsigned char n_type; + char n_other; + short n_desc; + unsigned long n_value; +}; + +#define OMAGIC 0407 +#define NMAGIC 0410 +#define ZMAGIC 0413 +#define QMAGIC 0314 + +#define N_GETMAGIC(ex) \ + ( (ex).a_magic & 0xffff ) +#define N_GETMAGIC_NET(ex) \ + (ntohl((ex).a_magic) & 0xffff) + +/* Valid magic number check. */ +#define N_BADMAG(ex) \ + (N_GETMAGIC(ex) != OMAGIC && N_GETMAGIC(ex) != NMAGIC && \ + N_GETMAGIC(ex) != ZMAGIC && N_GETMAGIC(ex) != QMAGIC && \ + N_GETMAGIC_NET(ex) != OMAGIC && N_GETMAGIC_NET(ex) != NMAGIC && \ + N_GETMAGIC_NET(ex) != ZMAGIC && N_GETMAGIC_NET(ex) != QMAGIC) + +/* We don't provide any N_???OFF macros here + because they vary too much between the different a.out variants; + it's practically impossible to create one set of macros + that works for UX, FreeBSD, NetBSD, Linux, etc. */ + +#endif /* _MACH_A_OUT_ */ |