Enable tracepoint target variables

This uses a similar mechanism as marker probes for storing target
variables in locals of the probe body.

	* tapsets.cxx (tracepoint_arg): Add fields to help $target access.
	(tracepoint_var_expanding_visitor): Expand code to access target
	variables - a $target for each tracepoint parameter, as well as
	the special $$name and $$vars.
	(tracepoint_derived_probe::tracepoint_derived_probe): Expand targets
	(resolve_tracepoint_arg_type): Determine if a parameter is a type
	that we can dereference, and store the underlying type.
	(tracepoint_derived_probe::build_args): Resolve the types.
	(tracepoint_derived_probe::emit_probe_context_vars): Emit $target
	placeholders into the locals of the probe body.
	(tracepoint_derived_probe_group::emit_module_decls): Initialize
	$targets from the entry point parameters.

0 files changed, 0 insertions, 0 deletions