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src/gdb ChangeLog dcache.c dcache.h target.c


CVSROOT:	/cvs/src
Module name:	src
Changes by:	devans@sourceware.org	2009-08-20 22:30:13

Modified files:
	gdb            : ChangeLog dcache.c dcache.h target.c 

Log message:
	Replace dcache with splay tree.
	Remove partially implemented writeback support.
	* dcache.c: Include splay-tree.h.
	(LINE_SIZE_POWER): Change from 5 to 6.
	(DCACHE_SIZE): Change from 64 to 4096.
	(ENTRY_INVALID, ENTRY_VALID, ENTRY_DIRTY): Delete.
	(state_chars): Delete.
	(struct dcache_block): Clean up; remove state and anydirty fields.
	(struct dcache_struct): Redefine as a splay tree and linked list.
	(last_cache): Make static.
	(dcache_invalidate, dcache_hit): Rewrite for new cache structure.
	(dcache_read_line, dcache_alloc): Rewrite for new cache structure.
	(dcache_write_line): Delete.
	(dcache_writeback): Delete.
	(dcache_peek_byte): Clean up; remove "invalid" state check.
	(dcache_poke_byte): Rewrite for new cache structure; clarify comment.
	(dcache_splay_tree_compare): New function.
	(dcache_init, dcache_free): Rewrite for new cache structure.
	(dcache_xfer_memory): Rewrite for new write-through cache structure.
	(dcache_print_line): New function.
	(dcache_info): Rewrite for new cache structure.
	(_initialize_dcache): Update "info dcache" help text.
	* dcache.h (dcache_xfer_memory): Update declaration.
	* target.c (memory_xfer_partial): Update calls to dcache_xfer_memory.

Patches:
http://sources.redhat.com/cgi-bin/cvsweb.cgi/src/gdb/ChangeLog.diff?cvsroot=src&r1=1.10813&r2=1.10814
http://sources.redhat.com/cgi-bin/cvsweb.cgi/src/gdb/dcache.c.diff?cvsroot=src&r1=1.33&r2=1.34
http://sources.redhat.com/cgi-bin/cvsweb.cgi/src/gdb/dcache.h.diff?cvsroot=src&r1=1.14&r2=1.15
http://sources.redhat.com/cgi-bin/cvsweb.cgi/src/gdb/target.c.diff?cvsroot=src&r1=1.220&r2=1.221


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