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- /*
- * (c) copyright 1987 by the Vrije Universiteit, Amsterdam, The Netherlands.
- * See the copyright notice in the ACK home directory, in the file "Copyright".
- */
- /* $Id$ */
- #ifndef __OUT_H_INCLUDED
- #define __OUT_H_INCLUDED
- /*
- * output format for ACK assemblers
- */
- struct outhead {
- unsigned short oh_magic; /* magic number */
- unsigned short oh_stamp; /* version stamp */
- unsigned short oh_flags; /* several format flags */
- unsigned short oh_nsect; /* number of outsect structures */
- unsigned short oh_nrelo; /* number of outrelo structures */
- unsigned short oh_nname; /* number of outname structures */
- long oh_nemit; /* sum of all os_flen */
- long oh_nchar; /* size of string area */
- };
- #define O_MAGIC 0x0201 /* magic number of output file */
- #define O_STAMP 0 /* version stamp */
- #define MAXSECT 64 /* Maximum number of sections */
- #define HF_LINK 0x0004 /* unresolved references left */
- #define HF_8086 0x0008 /* os_base specially encoded */
- struct outsect {
- long os_base; /* startaddress in machine */
- long os_size; /* section size in machine */
- long os_foff; /* startaddress in file */
- long os_flen; /* section size in file */
- long os_lign; /* section alignment */
- };
- struct outrelo {
- char or_type; /* type of reference */
- char or_sect; /* referencing section */
- unsigned short or_nami; /* referenced symbol index */
- long or_addr; /* referencing address */
- };
- struct outname {
- union {
- char *on_ptr; /* symbol name (in core) */
- long on_off; /* symbol name (in file) */
- } on_u;
- #define on_mptr on_u.on_ptr
- #define on_foff on_u.on_off
- unsigned short on_type; /* symbol type */
- unsigned short on_desc; /* debug info */
- long on_valu; /* symbol value */
- };
- /*
- * relocation type bits
- */
- #define RELSZ 0x07 /* relocation length */
- #define RELO1 1 /* 1 byte */
- #define RELO2 2 /* 2 bytes */
- #define RELO4 4 /* 4 bytes */
- #define RELPC 0x08 /* pc relative */
- #define RELBR 0x10 /* High order byte lowest address. */
- #define RELWR 0x20 /* High order word lowest address. */
- /*
- * section type bits and fields
- */
- #define S_TYP 0x007F /* undefined, absolute or relative */
- #define S_EXT 0x0080 /* external flag */
- #define S_ETC 0x7F00 /* for symbolic debug, bypassing 'as' */
- /*
- * S_TYP field values
- */
- #define S_UND 0x0000 /* undefined item */
- #define S_ABS 0x0001 /* absolute item */
- #define S_MIN 0x0002 /* first user section */
- #define S_MAX (S_TYP-1) /* last user section */
- #define S_CRS S_TYP /* on_valu is symbol index which contains value */
- /*
- * S_ETC field values
- */
- #define S_SCT 0x0100 /* section names */
- #define S_LIN 0x0200 /* hll source line item */
- #define S_FIL 0x0300 /* hll source file item */
- #define S_MOD 0x0400 /* ass source file item */
- #define S_COM 0x1000 /* Common name. */
- #define S_STB 0xe000 /* entries with any of these bits set are
- reserved for debuggers
- */
- /*
- * structure format strings
- */
- #define SF_HEAD "22222244"
- #define SF_SECT "44444"
- #define SF_RELO "1124"
- #define SF_NAME "4224"
- /*
- * structure sizes (bytes in file; add digits in SF_*)
- */
- #define SZ_HEAD 20
- #define SZ_SECT 20
- #define SZ_RELO 8
- #define SZ_NAME 12
- /*
- * file access macros
- */
- #define BADMAGIC(x) ((x).oh_magic!=O_MAGIC)
- #define OFF_SECT(x) SZ_HEAD
- #define OFF_EMIT(x) (OFF_SECT(x) + ((long)(x).oh_nsect * SZ_SECT))
- #define OFF_RELO(x) (OFF_EMIT(x) + (x).oh_nemit)
- #define OFF_NAME(x) (OFF_RELO(x) + ((long)(x).oh_nrelo * SZ_RELO))
- #define OFF_CHAR(x) (OFF_NAME(x) + ((long)(x).oh_nname * SZ_NAME))
- #endif /* __OUT_H_INCLUDED */
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