Replace dcache with splay tree.

[deliverable/binutils-gdb.git] / gdb / ChangeLog

diff --git a/gdb/ChangeLog b/gdb/ChangeLog
index 291c9658501f81ec3157df43021679671618ee8d..de93bc74f83d07e84043bcd95de79b8cafc5f7c5 100644 (file)
--- a/gdb/ChangeLog
+++ b/gdb/ChangeLog
@@ -1,4 +1,31 @@
-2009-07-24  Reid Kleckner  <reid@kleckner.net>
+2009-08-20  Jacob Potter  <jdpotter@google.com>
+
+       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.
+
+2009-08-19  Reid Kleckner  <reid@kleckner.net>
 
        Add interface for JIT code generation.
        * NEWS: Announce JIT interface.