* Makefile.in (symfile.o): Add $(exec_h).
* exec.h (exec_set_section_address): Add prototype.
* exec.c (exec_set_section_address): New function.
* symfile.c: Include "exec.h".
(struct place_section_arg, place_section): New.
(default_symfile_offsets): Call place_section for each
section of a relocatable file.
gdb/testsuite/
* gdb.base/relocate.c: Add a copyright notice.
(dummy): Remove.
* gdb.base/relocate.exp: Test printing the values of variables
from a relocatable file.
