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Annotation of 42BSD/ucb/lisp/franz/h/dualaout.h, revision 1.1

1.1     ! root        1:                /*      %M%     %I%     %E%     */
        !             2: /*
        !             3:  * Header prepended to each a.out file.
        !             4:  */
        !             5: struct exec {
        !             6:        long    a_magic;        /* magic number */
        !             7: unsigned long  a_text;         /* size of text segment */
        !             8: unsigned long  a_data;         /* size of initialized data */
        !             9: unsigned long  a_bss;          /* size of uninitialized data */
        !            10: unsigned long  a_syms;         /* size of symbol table */
        !            11: unsigned long  a_trsize;       /* size of text relocation */
        !            12: unsigned long  a_drsize;       /* size of data relocation */
        !            13: unsigned long  a_entry;        /* entry point */
        !            14: };
        !            15: 
        !            16: #define        OMAGIC  0407            /* old impure format */
        !            17: #define        NMAGIC  0410            /* read-only text */
        !            18: #define        ZMAGIC  0413            /* demand load format */
        !            19: 
        !            20: /*
        !            21:  * Macros which take exec structures as arguments and tell whether
        !            22:  * the file has a reasonable magic number or offsets to text|symbols|strings.
        !            23:  */
        !            24: #define        N_BADMAG(x) \
        !            25:     (((x).a_magic)!=OMAGIC && ((x).a_magic)!=NMAGIC && ((x).a_magic)!=ZMAGIC)
        !            26: 
        !            27: #define        N_TXTOFF(x) \
        !            28:        ((x).a_magic==ZMAGIC ? 1024 : sizeof (struct exec))
        !            29: #define N_SYMOFF(x) \
        !            30:        (N_TXTOFF(x) + (x).a_text+(x).a_data + (x).a_trsize+(x).a_drsize)
        !            31: #include <a.out.h>

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