[cvs-checkins] or1k/gdb-5.0/gdb/config/or1k tm-or1k.h

[OpenCores CVS Agent <cvs@www.opencores.org>]

CVSROOT:	/home/oc/cvs
Module name:	or1k
Changes by:	sfurman	03/04/09 05:09:57

Modified files:
	gdb-5.0/gdb/config/or1k: tm-or1k.h 

Log message:
	Speed up gdb when running with serial targets:
	
	When generating backtraces, the prologue of each function is scanned
	at least three times by architecture-independent code, e.g. to
	determine offsets of saved registers, identify frameless functions,
	etc.  This new code adds straightforward caching of the information
	gleaned by or1k_scan_prologue() on a per-frame basis rather than
	storing it in global static variables.  (This benefits both JTAG and
	serial gdb targets, though the JTAG target runs fast enough that it is
	not particularly needed.)
	
	When the register set is dumped by the serial target, e.g. at any
	breakpoint or interrupt, the 32 vector/FP registers were included in
	the dump (each 8 bytes long), though they aren't implemented.  The new
	code tells gdb that unimplemented registers have zero length in the
	dump.

--
To unsubscribe from cvs-checkins mailing list please visit http://www.opencores.org/mailinglists.shtml