added a.out.h for the cv program

diff --git a/lib/minixST/include/a.out.h b/lib/minixST/include/a.out.h
new file mode 100644 (file)
index 0000000..d1c643c
--- /dev/null
+++ b/lib/minixST/include/a.out.h
@@ -0,0 +1,110 @@
+/* The <a.out> header file describes the format of executable files. */
+
+#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 */
+       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_no_entry;     /* in fact: entry point, a_entry */
+       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_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_EXEC 0x10    /* executable */
+#define A_SEP  0x20    /* separate I/D */
+#define A_PURE 0x40    /* pure text */         /* not used */
+#define A_TOVLY        0x80    /* text overlay */      /* not used */
+
+/* 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 */