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Annotation of 43BSDReno/pgrm/lorder/lorder.sh, revision 1.1.1.1

1.1       root        1: #!/bin/sh -
                      2: #
                      3: # Copyright (c) 1990 The Regents of the University of California.
                      4: # All rights reserved.
                      5: #
                      6: # Redistribution and use in source and binary forms are permitted
                      7: # provided that the above copyright notice and this paragraph are
                      8: # duplicated in all such forms and that any documentation,
                      9: # advertising materials, and other materials related to such
                     10: # distribution and use acknowledge that the software was developed
                     11: # by the University of California, Berkeley.  The name of the
                     12: # University may not be used to endorse or promote products derived
                     13: # from this software without specific prior written permission.
                     14: # THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
                     15: # IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
                     16: # WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
                     17: #
                     18: #      @(#)lorder.sh   5.2 (Berkeley) 3/20/90
                     19: #
                     20: PATH=/bin:/usr/bin
                     21: export PATH
                     22: 
                     23: # only one argument is a special case, just output the name twice
                     24: case $# in
                     25:        0)
                     26:                echo "usage: lorder file ...";
                     27:                exit ;;
                     28:        1)
                     29:                echo $1 $1;
                     30:                exit ;;
                     31: esac
                     32: 
                     33: # temporary files
                     34: R=/tmp/_reference_$$
                     35: S=/tmp/_symbol_$$
                     36: 
                     37: # remove temporary files on HUP, INT, QUIT, PIPE, TERM
                     38: trap "rm -f $R $S; exit 1" 1 2 3 13 15
                     39: 
                     40: # if the line ends in a colon, assume it's the first occurrence of a new
                     41: # object file.  Echo it twice, just to make sure it gets into the output.
                     42: #
                     43: # if the line has " T " or " D " it's a globally defined symbol, put it
                     44: # into the symbol file.
                     45: #
                     46: # if the line has " U " it's a globally undefined symbol, put it into
                     47: # the reference file.
                     48: nm -go $* | sed "
                     49:        /:$/ {
                     50:                s/://
                     51:                s/.*/& &/
                     52:                p
                     53:                d
                     54:        }
                     55:        / [TD] / {
                     56:                s/:.* [TD]//
                     57:                w $S
                     58:                d
                     59:        }
                     60:        / U / {
                     61:                s/:.* U//
                     62:                w $R
                     63:        }
                     64:        d
                     65: "
                     66: 
                     67: # sort symbols and references on the first field (the symbol)
                     68: # join on that field, and print out the file names.
                     69: sort +1 $R -o $R
                     70: sort +1 $S -o $S
                     71: join -j 2 -o 1.1 2.1 $R $S
                     72: rm -f $R $S

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