From 64bc6412188b141c010ac3b8e813b837dd991e80 Mon Sep 17 00:00:00 2001
From: Erik Andersen <andersen@codepoet.org>
Date: Sun, 14 May 2000 04:16:35 +0000
Subject: Initial revision

---
 include/a.out.h | 115 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 115 insertions(+)
 create mode 100644 include/a.out.h

(limited to 'include/a.out.h')

diff --git a/include/a.out.h b/include/a.out.h
new file mode 100644
index 000000000..bd58346c1
--- /dev/null
+++ b/include/a.out.h
@@ -0,0 +1,115 @@
+/* Copyright (C) 1990-1996 
+ * This file is part of the ld86 command for Linux-86 
+ * It is distributed under the GNU Library General Public License.
+ *
+ * - This may actually be BSD or Minix code, can someone clarify please. -RDB
+ */
+
+#ifndef __AOUT_H
+#define __AOUT_H
+
+struct	exec {			/* a.out header */
+  unsigned char	a_magic[2];	/* magic number */
+  unsigned char	a_flags;	/* flags, see below */
+  unsigned char	a_cpu;		/* cpu id */
+  unsigned char	a_hdrlen;	/* length of header */
+  unsigned char	a_unused;	/* reserved for future use */
+  unsigned short a_version;	/* version stamp (not used at present) */
+  long		a_text;		/* size of text segement in bytes */
+  long		a_data;		/* size of data segment in bytes */
+  long		a_bss;		/* size of bss segment in bytes */
+  long		a_entry;	/* entry point */
+  long		a_total;	/* total memory allocated */
+  long		a_syms;		/* size of symbol table */
+
+  /* SHORT FORM ENDS HERE */
+  long		a_trsize;	/* text relocation size */
+  long		a_drsize;	/* data relocation size */
+  long		a_tbase;	/* text relocation base */
+  long		a_dbase;	/* data relocation base */
+};
+
+#define A_MAGIC0      (unsigned char) 0x01
+#define A_MAGIC1      (unsigned char) 0x03
+#define BADMAG(X)     ((X).a_magic[0] != A_MAGIC0 ||(X).a_magic[1] != A_MAGIC1)
+
+/* CPU Id of TARGET machine (byte order coded in low order two bits) */
+#define A_NONE	0x00	/* unknown */
+#define A_I8086	0x04	/* intel i8086/8088 */
+#define A_M68K	0x0B	/* motorola m68000 */
+#define A_NS16K	0x0C	/* national semiconductor 16032 */
+#define A_I80386 0x10	/* intel i80386 */
+#define A_SPARC	0x17	/* Sun SPARC */
+
+#define A_BLR(cputype)	((cputype&0x01)!=0) /* TRUE if bytes left-to-right */
+#define A_WLR(cputype)	((cputype&0x02)!=0) /* TRUE if words left-to-right */
+
+/* Flags. */
+#define A_UZP	0x01	/* unmapped zero page (pages) */
+#define A_PAL	0x02	/* page aligned executable */
+#define A_NSYM	0x04	/* new style symbol table */
+#define A_EXEC	0x10	/* executable */
+#define A_SEP	0x20	/* separate I/D */
+#define A_PURE	0x40	/* pure text */
+#define A_TOVLY	0x80	/* text overlay */
+
+/* Offsets of various things. */
+#define A_MINHDR	32
+#define	A_TEXTPOS(X)	((long)(X).a_hdrlen)
+#define A_DATAPOS(X)	(A_TEXTPOS(X) + (X).a_text)
+#define	A_HASRELS(X)	((X).a_hdrlen > (unsigned char) A_MINHDR)
+#define A_HASEXT(X)	((X).a_hdrlen > (unsigned char) (A_MINHDR +  8))
+#define A_HASLNS(X)	((X).a_hdrlen > (unsigned char) (A_MINHDR + 16))
+#define A_HASTOFF(X)	((X).a_hdrlen > (unsigned char) (A_MINHDR + 24))
+#define A_TRELPOS(X)	(A_DATAPOS(X) + (X).a_data)
+#define A_DRELPOS(X)	(A_TRELPOS(X) + (X).a_trsize)
+#define A_SYMPOS(X)	(A_TRELPOS(X) + (A_HASRELS(X) ? \
+  			((X).a_trsize + (X).a_drsize) : 0))
+
+struct reloc {
+  long r_vaddr;			/* virtual address of reference */
+  unsigned short r_symndx;	/* internal segnum or extern symbol num */
+  unsigned short r_type;	/* relocation type */
+};
+
+/* r_tyep values: */
+#define R_ABBS		0
+#define R_RELLBYTE	2
+#define R_PCRBYTE	3
+#define R_RELWORD	4
+#define R_PCRWORD	5
+#define R_RELLONG	6
+#define R_PCRLONG	7
+#define R_REL3BYTE	8
+#define R_KBRANCHE	9
+
+/* r_symndx for internal segments */
+#define S_ABS		((unsigned short)-1)
+#define S_TEXT		((unsigned short)-2)
+#define S_DATA		((unsigned short)-3)
+#define S_BSS		((unsigned short)-4)
+
+struct nlist {			/* symbol table entry */
+  char n_name[8];		/* symbol name */
+  long n_value;			/* value */
+  unsigned char	n_sclass;	/* storage class */
+  unsigned char	n_numaux;	/* number of auxiliary entries (not used) */
+  unsigned short n_type;	/* language base and derived type (not used) */
+};
+
+/* Low bits of storage class (section). */
+#define	N_SECT		  07	/* section mask */
+#define N_UNDF		  00	/* undefined */
+#define N_ABS		  01	/* absolute */
+#define N_TEXT		  02	/* text */
+#define N_DATA		  03	/* data */
+#define	N_BSS		  04	/* bss */
+#define N_COMM		  05	/* (common) */
+
+/* High bits of storage class. */
+#define N_CLASS		0370	/* storage class mask */
+#define C_NULL
+#define C_EXT		0020	/* external symbol */
+#define C_STAT		0030	/* static */
+
+#endif /* _AOUT_H */
-- 
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