Hi Erich,
Although the *.lst files help, they don't show all the code generated and where it is located. To get a full listing, I added the following command
arm-none-eabi-objdump -d -S ${ProjName}.elf >>${ProjName}.txt
to the Project|Properties|C/C++Build|Settings|BuildSteps PostBuildSteps command box. The resulting .txt file shows up in the Debug directory of the project.
Mike