On Tue, Feb 02, 2010 at 09:18:07PM +0100, Jan Kratochvil wrote: > On Mon, 01 Feb 2010 07:18:26 +0100, Chuck Anderson wrote: > > I'm trying to debug an issue for the upstream author of ocp and am > > running into an issue where gdb is showing "<value optimized out>" for > > variables even though I've compiled the program with gcc -g -O0. > [...] > > Compiler excerpts: > > > > gcc -g -O0 -fPIC -Wall -I.././ -I.././gnulib kickload.c -o kickload.o -c > > gcc -g -O0 -fPIC -Wall -I.././ -I.././gnulib compdate.c -o compdate.o -c > > ... > > gcc -g -O0 -fPIC -Wall -I./ -I./gnulib -o ocp boot/kickload.o -pthread -ldl goodies/helpc/ocphhc doc/opencp.dox ocp.hlp > > If you list also the mixasm.c compilation line you would find: > gcc -g -O0 -fpic -Wall -I.././ -O mixasm.c -o mixasm.o -c > > as there is explicit -O in dev/Makefile there. After removing it getting > a valid dump with no <value optimized out>. > > For the -O build found one <value optimized out> as correct and one <value > optimized out> as some bug in either gdb or gcc but that is out of the scope > of this mail thread. -O0 -g works, NOTABUG. Thanks a bunch for this! -- devel mailing list devel@xxxxxxxxxxxxxxxxxxxxxxx https://admin.fedoraproject.org/mailman/listinfo/devel
