* call graph profiling support

* call graph profiling support

[sid/bsp]
2001-11-08  Frank Ch. Eigler  <fche@redhat.com>

	* configrun-sid.in (gprof): Connect call-graph pins.

[sid/include]
2001-11-08  Frank Ch. Eigler  <fche@redhat.com>

	* sidcpuutil.h (basic_cpu): Add cg caller/callee pins, trace_stream
	fields.
	(basic_cpu ctor): Initialize them.
	(cg_profile): New function.

[sid/component/cgen-cpu]
2001-11-08  Frank Ch. Eigler  <fche@redhat.com>

	* cgen-cpu.h (cgen_bi_endian_cpu): Remove trace_stream field: it's
	in basic_cpu now.
	* compCGEN.cxx: Corresponding change.

[sid/component/profiling]
2001-11-08  Frank Ch. Eigler  <fche@redhat.com>

	* gprof.cxx (gprof_component): Add cg caller/callee pins, cg_count_map
	field.
	(accumulate_call): New function.
	(reset): Clear cg map.
	(store): Emit call graph info.  Emit histogram iff nonempty.
	* sw-profile-gprof.xml: Document call graph functionality.
	* sw-profile-gprof.txt: Regenerated.