2006-10-31 Frank Ch. Eigler <fche@redhat.com>

2006-10-31  Frank Ch. Eigler  <fche@redhat.com>

	Probe registration rework.  Offline dwarf processing for better
	cross-instrumentation.
	* elaborate.h (derived_probe): Remove registration-related code
	generation API.  Add new function sole_location().
	(derived_probe_group): Reworked this and associated classes.
	* session.h (systemntap_session): Create individual per-category
	derived_probe_groups.
	* elaborate.cxx (derived_probe_group): Reworked.
	(alias_derived_probe): Switch to new derived_probe API.
	(semantic_pass_symbols): Ditto.
	* translate.cxx (mapvar init): Check for array initialization error.
	(emit_module_init): Handle such failures, at least in theory.
	(emit_module_exit): Switch to new derived_probe_group API.  Call
	cpu_relax() during shutdown busywait.
	(emit_common_header): Elide context variables for elided handler fns.
	(c_unparser::emit_probe): Implement new, improved duplicate
	elimination technique for probe handlers.  Leave two older ones
	behind as compile options for education.
	* tapsets.cxx (*): Reworked all probe registration code, moving
	it from derived_probes into derived_probe_groups.  Shrunk output
	code.  Temporarily disabled probe timing and perfmon/mark probes.
	(dwflpp): Use offline reporting, so that module matching and
	relocation is performed at run time.
	(dwarf_query): Remove flavour logic, now supplanted by other
	duplicate elimination code.
	(dwarf_derived_probe): Reworked construction, centralized
	module/section/offset computations.
	* tapsets.h (all_session_groups): New little helper.

	* main.cxx (main): For pass-2 message, print number of embeds too.
	* systemtap.spec.in: Add a "BuildRequires: dejagnu" for make check.
	* configure.ac: Bump version to 0.5.11.
	* configure: Regenerated.