* NEWS: Add entry. * python/py-symbol.c (gdbpy_lookup_global_symbol): New function. * python/python-internal.h (gdbpy_lookup_global_symbol): Declare it. * python/python.c (GdbMethods): Add entry for lookup_global_symbol. doc/ * gdb.texinfo (Symbols In Python): Document lookup_global_symbol. Clarify behaviour of lookup_symbol when `block' argument is omitted, add description of result, fix @defun formatting. testsuite/ * gdb.python/py-symbol.exp: Test lookup_global_symbol.