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annotate Modules/makexp_aix @ 5817:48b94de85bf3 legacy-trunk

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Extensive changes by AMK.
author Guido van Rossum <guido@python.org>
date Thu, 17 Jul 1997 16:29:42 +0000
parents 53019e3a6d5a
children a2c1b3e17952
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1 #!/bin/sh
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2 #
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3 # ===========================================================================
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4 # FILE: makexp_aix
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5 # TYPE: standalone executable
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6 # SYSTEM: AIX 3.2.5 and AIX 4
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7 #
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8 # DESCRIPTION: This script creates an export list of ALL global symbols
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9 # from a list of object or archive files.
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10 #
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11 # USAGE: makexp_aix <OutputFile> "<FirstLine>" <InputFile> ...
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12 #
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13 # where:
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14 # <OutputFile> is the target export list filename.
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15 # <FirstLine> is the path/file string to be appended
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16 # after the "#!" symbols in the first line of the
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17 # export file. Passing "" means deferred resolution.
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18 # <InputFile> is an object (.o) or an archive file (.a).
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19 #
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20 # HISTORY:
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21 # 1-Jul-1996 -- added header information
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22 # Vladimir Marangozov
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23 #
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24 # 28-Jun-1996 -- initial code
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25 # Vladimir Marangozov (Vladimir.Marangozov@imag.fr)
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26 # ==========================================================================
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27
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28 # Variables
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29 expFileName=$1
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30 toAppendStr=$2
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31 shift; shift;
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32 inputFiles=$*
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33 automsg="Generated automatically by makexp_aix"
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34 notemsg="NOTE: lists _all_ global symbols defined in the above file(s)."
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35 curwdir=`pwd`
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36
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37 # Create the export file and setup the header info
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38 echo "#!"$toAppendStr > $expFileName
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39 echo "*" >> $expFileName
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40 echo "* $automsg (`date -u`)" >> $expFileName
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41 echo "*" >> $expFileName
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42 echo "* Base Directory: $curwdir" >> $expFileName
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43 echo "* Input File(s) : $inputFiles" >> $expFileName
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44 echo "*" >> $expFileName
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45 echo "* $notemsg" >> $expFileName
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46 echo "*" >> $expFileName
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47
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48 # Extract the symbol list using 'nm' which produces quite
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49 # different output under AIX 4 than under AIX 3.2.5.
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50 # The following handles both versions by using a common flagset.
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51 # Here are some hidden tricks:
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52 # 1. Use /usr/ccs/bin/nm. Relevant to AIX 3.2.5 which has
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53 # another version under /usr/ucb/bin/nm.
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54 # 2. Use the -B flag to have a standard BSD representation
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55 # of the symbol list on both AIX 3.2.5 and AIX 4. The "-B"
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56 # flag is missing in the AIX 3.2.5 online usage help of 'nm'.
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57 # 3. Use the -x flag to have a hex representation of the symbol
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58 # values. This fills the leading whitespaces on AIX 4,
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59 # thus simplifying the sed statement.
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60 # 4. Eliminate all entries except those with either "B", "D"
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61 # or "T" key letters. We are interested only in the global
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62 # (extern) BSS, DATA and TEXT symbols. With the same statement
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63 # we eliminate object member lines relevant to AIX 4.
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64 # 5. Eliminate entries containing a dot. We can have a dot only
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65 # as a symbol prefix, but such symbols are undefined externs.
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66 # 6. Eliminate everything including the key letter, so that we're
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67 # left with just the symbol name.
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68 #
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69 /usr/ccs/bin/nm -Bex $inputFiles \
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70 | sed -e '/ [^BDT] /d' -e '/\./d' -e 's/.* [BDT] //' \
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71 | sort | uniq >> $expFileName