2012-05-03 Siva Chandra Reddy <sivachandra@google.com>

2012-05-03  Siva Chandra Reddy  <sivachandra@google.com>

	Add two new methods global_block and static_block to gdb.Symtab
	objects.
	* NEWS (Python scripting): Add entry about the new methods.
	* python/py-symtab.c (stpy_global_block): New function which
	implements the gdb.Symtab.global_block() method.
	(stpy_static_block): New function which implements the
	gdb.Symtab.static_block() method.
	(symtab_object_methods): Add entries for the two new methods.

	* testsuite/gdb.python/py-symbol.exp: Add tests to test the new
	methods gdb.Symtab.global_block() and gdb.Symtab.static_block().
	* tessuite/gdb.python/py-symbol.c: Add new struct to help test
	gdb.Symtab.static_block().

	* doc/gdb.texinfo (Symbol Tables In Python): Add documentation
	about the new methods global_block and static_block on
	gdb.Symtab objects.