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Annotation of coherent/c/usr/include/l.out.h, revision 1.1

1.1     ! root        1: /* (-lgl
        !             2:  *     COHERENT Version 3.0
        !             3:  *     Copyright (c) 1982, 1990 by Mark Williams Company.
        !             4:  *     All rights reserved. May not be copied without permission.
        !             5:  -lgl) */
        !             6: /*
        !             7:  * This is the format of the 'l.out' file
        !             8:  * (assembler output, linkage editor input and output).
        !             9:  * It also has the namelist structure for the nlist routine.
        !            10:  */
        !            11: 
        !            12: #ifndef         L_OUT_H
        !            13: #define         L_OUT_H        L_OUT_H
        !            14: 
        !            15: #include <sys/types.h>
        !            16: 
        !            17: #define        NCPLN   16              /* Chars in loader name */
        !            18: #define NLSEG  9               /* No. of segments */
        !            19: #define        NXSEG   6               /* No. of segments used by exec */
        !            20: #define        L_MAGIC 0407            /* Magic number */
        !            21: 
        !            22: /*
        !            23:  * This is the header.
        !            24:  * It sits at the front of the file,
        !            25:  * holding control information and
        !            26:  * the sizes of the other segments
        !            27:  * of the file.
        !            28:  */
        !            29: struct ldheader {
        !            30:        int     l_magic;        /* Magic number */
        !            31:        int     l_flag;         /* Flags */
        !            32:        int     l_machine;      /* Type of target machine */
        !            33:        vaddr_t l_entry;        /* Entrypoint */
        !            34:        fsize_t l_ssize[NLSEG]; /* Segment sizes */
        !            35: };
        !            36: 
        !            37: /* Flags */
        !            38: #define LF_SHR 01              /* Bound shared */
        !            39: #define LF_SEP 02              /* Bound separated */
        !            40: #define LF_NRB 04              /* No reloc. bits */
        !            41: #define        LF_KER  010             /* Loadable driver */
        !            42: 
        !            43: /* Formats */
        !            44: #define        AFMT    "%06o"          /* Address */
        !            45: 
        !            46: /* Machines */
        !            47: #include <mtype.h>
        !            48: 
        !            49: /* Segments */
        !            50: #define        L_SHRI  0               /* Shared Instruction space */
        !            51: #define        L_PRVI  1               /* Private Instruction space */
        !            52: #define        L_BSSI  2               /* Uninitialised Instruction */
        !            53: #define        L_SHRD  3               /* Shared Data space */
        !            54: #define        L_PRVD  4               /* Private Data space */
        !            55: #define        L_BSSD  5               /* Uninitalised Data */
        !            56: #define L_DEBUG 6              /* Debug tables */
        !            57: #define L_SYM  7               /* Symbols */
        !            58: #define L_REL  8               /* Relocation */
        !            59: 
        !            60: #define L_ABS  9               /* Absolute (symbol table) */
        !            61: #define L_REF  10              /* Reference (symbol table) */
        !            62: 
        !            63: /*
        !            64:  * Symbol.
        !            65:  * These live in the 'L_SYM' section
        !            66:  * of the file; the size of this section
        !            67:  * determines the number of symbols.
        !            68:  */
        !            69: struct ldsym {
        !            70:        char    ls_id[NCPLN];   /* Symbol name */
        !            71:        int     ls_type;        /* Global + Seg. */
        !            72:        vaddr_t ls_addr;        /* Value of symbol */
        !            73: };
        !            74: 
        !            75: /*
        !            76:  * The nlist structure for the nlist routine.
        !            77:  */
        !            78: struct nlist   {
        !            79:        char    n_name[NCPLN];  /* Symbol name */
        !            80:        int     n_type;         /* Type flag */
        !            81:        unsigned n_value;       /* value */
        !            82: };
        !            83: 
        !            84: #define        L_GLOBAL        020
        !            85: 
        !            86: /*
        !            87:  * Relocation.
        !            88:  * Relocation is a byte stream.
        !            89:  * The first is an opcode.
        !            90:  * The next two bytes are the address
        !            91:  * of relocation.
        !            92:  */
        !            93: 
        !            94: #define LR_SEG 017             /* Seg., L_SYM => Sym. based */
        !            95: #define LR_PCR 020             /* PC Rel. flag */
        !            96: #define LR_OP  0340            /* Opcode */
        !            97: 
        !            98: #define LR_BYTE        (0<<5)          /* Rel. a byte */
        !            99: #define LR_WORD        (1<<5)          /* Rel. a word */
        !           100: 
        !           101: #endif

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