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noff.h

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00001 /* noff.h 
00002  *     Data structures defining the Nachos Object Code Format
00003  *
00004  *     Basically, we only know about three types of segments:
00005  *      code (read-only), initialized data, and unitialized data
00006  */
00007 
00008 #define NOFFMAGIC       0xbadfad        /* magic number denoting Nachos 
00009                                          * object code file 
00010                                          */
00011 
00012 typedef struct segment {
00013   int virtualAddr;              /* location of segment in virt addr space */
00014   int inFileAddr;               /* location of segment in this file */
00015   int size;                     /* size of segment */
00016 } Segment;
00017 
00018 typedef struct noffHeader {
00019    int noffMagic;               /* should be NOFFMAGIC */
00020    Segment code;                /* executable code segment */ 
00021    Segment initData;            /* initialized data segment */
00022    Segment uninitData;          /* uninitialized data segment --
00023                                  * should be zero'ed before use 
00024                                  */
00025 } NoffHeader;
Generated on Mon Feb 10 09:54:46 2003 for nachos by doxygen1.2.14 written by Dimitri van Heesch, © 1997-2002
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