2006-12-07 Josh Stone <joshua.i.stone@intel.com>

2006-12-07  Josh Stone  <joshua.i.stone@intel.com>

	PR 3624.
	* tapsets.cxx (struct be_derived_probe): Add a new priority parameter
	for begin/end probes, and a comparison function for sorting.
	(be_builder::build): Parse the priority & pass it to be_derived_probe.
	(be_derived_probe_group::emit_module_init, emit_module_exit): Sort the
	probe list by priority before emitting any code.
	(register_standard_tapsets): Add new begin/end variants.
	* parse.cxx (parser::parse_literal): Allow negative numeric literals,
	by checking for a '-' unary operator right before a number.

testsuite/
	* systemtap.base/be_order.exp, systemtap.base/be_order.stp,
	semok/beginend.stp:  New tests for begin/end priorities.

	* lib/stap_run.exp: Anchor OUTPUT_CHECK_STRING to the end of output.
	* systemtap.base/maxactive.exp: Fix to compare output to the end.
	* systemtap.base/probefunc.exp: Ditto.
	* systemtap.samples/ioblocktest.exp: Ditto.
	* systemtap.samples/ioblocktest.stp: Ditto.
	* systemtap.samples/tcptest.exp: Ditto.