/* exec.h : format of executable bytecode files */ /*  offset 0 --->  initial junk                   code block                   data block                   symbol table                   debug infos                   trailer end of file --->*/ /* Structure of the trailer: five 32-bit, unsigned integers, big endian */ #define TRAILER_SIZE 20 struct exec_trailer {  unsigned long code_size;      /* Size of the code block (in bytes) */  unsigned long data_size;      /* Size of the global data table (bytes) */  unsigned long symbol_size;    /* Size of the symbol table (bytes) */  unsigned long debug_size;     /* Size of the debug infos (bytes) */  unsigned long magic;          /* A magic number */}; /* Magic number for this release */ #define EXEC_MAGIC 0x4d4c3038   /* "ML08" */