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Annotation of GNUtools/cc/config/i386/svr3z.ifile, revision 1.1.1.1

1.1       root        1: /*
                      2:  *      svr3z.ifile - for collectless G++ on i386 System V.
                      3:  *     Leaves memory unconfigured at address 0.
                      4:  *     
                      5:  *      Install this file as $prefix/gcc-lib/TARGET/VERSION/gccz.ifile
                      6:  *
                      7:  *     BLOCK to an offset that leaves room for many headers ( the value
                      8:  *     here allows for a file header, an outheader, and up to 11 section 
                      9:  *     headers on most systems.
                     10:  *     BIND to an address that excludes page 0 from being mapped. The value
                     11:  *     used for BLOCK should be or'd into this value. Here I'm setting BLOCK
                     12:  *     to 0x200 and BIND to ( 0x400000 | value_used_for(BLOCK) )
                     13:  *     If you are using shared libraries, watch that you don't overlap the
                     14:  *     address ranges assigned for shared libs.
                     15:  *
                     16:  *     GROUP BIND to a location in the next segment.  Here, the only value
                     17:  *     that you should change (I think) is that within NEXT, which I've set
                     18:  *     to my hardware segment size. You can always use a larger size, but not
                     19:  *     a smaller one.
                     20:  */
                     21: SECTIONS
                     22: {
                     23:        .text BIND(0x400200) BLOCK (0x200) :
                     24:        {
                     25:                 /* plenty for room for headers */
                     26:                *(.init)
                     27:                *(.text)
                     28:                vfork = fork; /* I got tired of editing peoples sloppy code */
                     29:                *(.fini)
                     30:        }
                     31:        GROUP BIND( NEXT(0x400000) + (ADDR(.text) + (SIZEOF(.text)) % 0x1000)):
                     32:        {
                     33:                        .data : {
                     34:                                __CTOR_LIST__ = . ; 
                     35:                                . += 4 ;        /* leading NULL */
                     36:                                *(.ctor) 
                     37:                                . += 4 ;        /* trailing NULL */
                     38:                                __DTOR_LIST__ = . ;
                     39:                                . += 4 ;        /* leading NULL */
                     40:                                *(.dtor) 
                     41:                                . += 4 ;        /* trailing NULL */
                     42:                         }
                     43:                        .bss : { }
                     44:        }
                     45: }

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