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Text File | 1996-08-02 | 2.9 KB | 72 lines | [TEXT/R*ch] |
- #!/bin/sh
- #
- # ===========================================================================
- # FILE: makexp_aix
- # TYPE: standalone executable
- # SYSTEM: AIX 3.2.5 and AIX 4
- #
- # DESCRIPTION: This script creates an export list of ALL global symbols
- # from a list of object or archive files.
- #
- # USAGE: makexp_aix <OutputFile> "<FirstLine>" <InputFile> ...
- #
- # where:
- # <OutputFile> is the target export list filename.
- # <FirstLine> is the path/file string to be appended
- # after the "#!" symbols in the first line of the
- # export file. Passing "" means deferred resolution.
- # <InputFile> is an object (.o) or an archive file (.a).
- #
- # HISTORY:
- # 1-Jul-1996 -- added header information
- # Vladimir Marangozov
- #
- # 28-Jun-1996 -- initial code
- # Vladimir Marangozov (Vladimir.Marangozov@imag.fr)
- # ==========================================================================
-
- # Variables
- expFileName=$1
- toAppendStr=$2
- shift; shift;
- inputFiles=$*
- automsg="Generated automatically by makexp_aix"
- notemsg="NOTE: lists _all_ global symbols defined in the above file(s)."
- curwdir=`pwd`
-
- # Create the export file and setup the header info
- echo "#!"$toAppendStr > $expFileName
- echo "*" >> $expFileName
- echo "* $automsg (`date -u`)" >> $expFileName
- echo "*" >> $expFileName
- echo "* Base Directory: $curwdir" >> $expFileName
- echo "* Input File(s) : $inputFiles" >> $expFileName
- echo "*" >> $expFileName
- echo "* $notemsg" >> $expFileName
- echo "*" >> $expFileName
-
- # Extract the symbol list using 'nm' which produces quite
- # different output under AIX 4 than under AIX 3.2.5.
- # The following handles both versions by using a common flagset.
- # Here are some hidden tricks:
- # 1. Use /usr/ccs/bin/nm. Relevant to AIX 3.2.5 which has
- # another version under /usr/ucb/bin/nm.
- # 2. Use the -B flag to have a standard BSD representation
- # of the symbol list on both AIX 3.2.5 and AIX 4. The "-B"
- # flag is missing in the AIX 3.2.5 online usage help of 'nm'.
- # 3. Use the -x flag to have a hex representation of the symbol
- # values. This fills the leading whitespaces on AIX 4,
- # thus simplifying the sed statement.
- # 4. Eliminate all entries except those with either "B", "D"
- # or "T" key letters. We are interested only in the global
- # (extern) BSS, DATA and TEXT symbols. With the same statement
- # we eliminate object member lines relevant to AIX 4.
- # 5. Eliminate entries containing a dot. We can have a dot only
- # as a symbol prefix, but such symbols are undefined externs.
- # 6. Eliminate everything including the key letter, so that we're
- # left with just the symbol name.
- #
- /usr/ccs/bin/nm -Bex $inputFiles \
- | sed -e '/ [^BDT] /d' -e '/\./d' -e 's/.* [BDT] //' \
- | sort | uniq >> $expFileName
-