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183 lines
5.8 KiB
183 lines
5.8 KiB
#!/bin/sh |
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# |
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# ======================================================================== |
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# FILE: ld_so_aix |
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# TYPE: executable, uses makexp_aix |
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# SYSTEM: AIX |
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# |
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# DESCRIPTION: Creates a shareable .o from a set of pre-compiled |
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# (unshared) .o files |
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# |
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# USAGE: ld_so_aix [CC] [arguments] |
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# |
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# ARGUMENTS: Same as for "ld". The following arguments are processed |
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# or supplied by this script (those marked with an asterisk |
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# can be overriden from command line): |
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# |
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# Argument Default value |
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# (*) -o [OutputFileName] -o shr.o |
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# (*) -e [EntryPointLabel] -e init[OutputBaseName] |
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# (*) -bE:[ExportFile] -bE:[OutputBaseName].exp |
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# (*) -bI:[ImportFile] -bI:./python.exp |
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# -bM:[ModuleType] -bM:SRE |
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# -bhalt:[Number] -bhalt:4 |
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# -T[Number] -T512 |
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# -H[Number] -H512 |
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# -lm |
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# |
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# The compiler specific ("-lc" or "-lc_r", "-lpthreads",...) |
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# arguments will be automatically passed to "ld" according |
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# to the CC command provided as a first argument to this |
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# script. Usually, the same CC command was used to produce |
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# the pre-compiled .o file(s). |
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# |
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# NOTES: 1. Since "ld_so_aix" was originally written for building |
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# shared modules for the Python interpreter, the -e and |
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# -bI default values match Python's conventions. In |
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# Python, the entry point for a shared module is based |
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# on the module's name (e.g., the "mathmodule" will |
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# expect an entry point of "initmath"). |
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# 2. The script accepts multiple .o or .a input files and |
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# creates a single (shared) output file. The export list |
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# that is created is based on the output file's basename |
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# with the suffix ".exp". |
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# 3. The resulting shared object file is left in the |
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# current directory. |
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# 4. Uncommenting the "echo" lines gives detailed output |
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# about the commands executed in the script. |
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# |
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# |
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# HISTORY: Oct-1996 -- Support added for multiple .o files -- |
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# -- and optional arguments processing. -- |
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# Chris Myers (myers@tc.cornell.edu), Keith Kwok |
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# (kkwok@tc.cornell.edu) and Vladimir Marangozov |
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# |
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# Aug-6-1996 -- Take care of the compiler specific -- |
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# -- args by leaving CC to invoke "ld". -- |
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# Vladimir Marangozov |
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# |
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# Jul-1-1996 -- Make sure to use /usr/ccs/bin/ld -- |
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# -- Use makexp_aix for the export list. -- |
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# Vladimir Marangozov (Vladimir.Marangozov@imag.fr) |
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# |
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# Manus Hand (mhand@csn.net) -- Initial code -- 6/24/96 |
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# ======================================================================== |
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# |
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usage="Usage: ld_so_aix [CC command] [ld arguments]" |
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if test ! -n "$*"; then |
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echo $usage; exit 2 |
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fi |
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makexp=`dirname $0`/makexp_aix |
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# Check for existence of compiler. |
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CC=$1; shift |
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whichcc=`which $CC` |
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if test ! -x "$whichcc"; then |
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echo "ld_so_aix: Compiler '$CC' not found; exiting." |
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exit 2 |
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fi |
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if test ! -n "$*"; then |
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echo $usage; exit 2 |
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fi |
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# Default import file for Python |
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# Can be overriden by providing a -bI: argument. |
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impfile="./python.exp" |
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# Parse arguments |
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while test -n "$1" |
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do |
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case "$1" in |
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-e | -Wl,-e) |
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if test -z "$2"; then |
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echo "ld_so_aix: The -e flag needs a parameter; exiting."; exit 2 |
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else |
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shift; entry=$1 |
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fi |
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;; |
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-e* | -Wl,-e*) |
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entry=`echo $1 | sed -e "s/-Wl,//" -e "s/-e//"` |
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;; |
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-o) |
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if test -z "$2"; then |
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echo "ld_so_aix: The -o flag needs a parameter; exiting."; exit 2 |
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else |
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shift; objfile=$1 |
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fi |
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;; |
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-o*) |
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objfile=`echo $1 | sed "s/-o//"` |
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;; |
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-bI:* | -Wl,-bI:*) |
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impfile=`echo $1 | sed -e "s/-Wl,//" -e "s/-bI://"` |
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;; |
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-bE:* | -Wl,-bE:*) |
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expfile=`echo $1 | sed -e "s/-Wl,//" -e "s/-bE://"` |
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;; |
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*.o | *.a) |
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objs="$objs $1" |
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args="$args $1" |
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;; |
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-bM:* | -Wl,-bM:* | -H* | -Wl,-H* | -T* | -Wl,-T* | -lm) |
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;; |
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*) |
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args="$args $1" |
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;; |
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esac |
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shift |
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done |
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if test -z "$objs"; then |
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echo "ld_so_aix: No input files; exiting." |
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exit 2 |
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elif test ! -r "$impfile"; then |
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echo "ld_so_aix: Import file '$impfile' not found or not readable; exiting." |
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exit 2 |
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fi |
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# If -o wasn't specified, assume "-o shr.o" |
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if test -z "$objfile"; then |
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objfile=shr.o |
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fi |
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filename=`basename $objfile | sed "s/\.[^.]*$//"` |
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# If -bE: wasn't specified, assume "-bE:$filename.exp" |
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if test -z "$expfile"; then |
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expfile="$filename.exp" |
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fi |
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# Default entry symbol for Python modules = init[modulename] |
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# Can be overriden by providing a -e argument. |
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if test -z "$entry"; then |
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entry=init`echo $filename | sed "s/module.*//"` |
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fi |
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#echo "ld_so_aix: Debug info section" |
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#echo " -> output file : $objfile" |
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#echo " -> import file : $impfile" |
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#echo " -> export file : $expfile" |
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#echo " -> entry point : $entry" |
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#echo " -> object files: $objs" |
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#echo " -> CC arguments: $args" |
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CCOPT="-Wl,-e$entry -Wl,-bE:$expfile -Wl,-bI:$impfile -Wl,-bhalt:4" |
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CCOPT="$CCOPT -Wl,-bM:SRE -Wl,-T512 -Wl,-H512 -lm -o $objfile" |
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CCARGS="$args" |
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# Export list generation. |
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#echo $makexp $expfile "$objfile" $objs |
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$makexp $expfile "$objfile" $objs |
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# Perform the link. |
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#echo $CC $CCOPT $CCARGS |
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$CC $CCOPT $CCARGS |
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# Delete the module's export list file. |
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# Comment this line if you need it. |
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rm -f $expfile
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