* solib-svr4.c (svr4_relocate_main_executable): Move the static exec
code part to ...
(svr4_static_exec_displacement): ... a new function.
(svr4_exec_displacement): New function.
(svr4_relocate_main_executable): Call svr4_exec_displacement. Allocate
new_offsets using alloca now. Remove variable old_chain and changed.
Call objfile_relocate unconditionally now.
gdb/testsuite/
* gdb.base/break-interp.exp: New file.