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gdb/ChangeLog:
Update year range in copyright notice of all files.
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gdb/ChangeLog:
Update year range in copyright notice of all files.
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Similar to stack cache, in this patch, we add
TARGET_OBJECT_CODE_MEMORY to read code from target and add a new
option "set code-cache on|off" to optimize code accesses by
using the target memory cache.
In V4:
- Remove "without affecting correctness" from NEWS and doc.
- Replace "ON" with "on" in doc.
- "access" -> "accesses".
In V3:
- Rename functions and variables.
- Update command help, doc and NEWS entry.
- Invalidate cache on option transitions, to align with
the behaviour of "stack-cache". Since cache invalidation is
transparent to users, users don't know option "stack-cache"
transitions cause code cache invalidation.
V2 was reviewed by Doug. There are some changes in V3, so I post it
here.
gdb:
2013-11-24 Yao Qi <yao@codesourcery.com>
* NEWS: Add note on new "set code-cache" option.
* target-dcache.c (code_cache_enabled_1): New variable.
(code_cache_enabled): New variable.
(show_code_cache, set_code_cache): New function.
(code_cache_enabled_p): New function.
(_initialize_target_dcache): Register command.
* target-dcache.h (code_cache_enabled_p): Declare.
* target.c (memory_xfer_partial_1):Handle
TARGET_OBJECT_CODE_MEMORY and code_cache_enabled.
(target_read_code): New function.
* target.h (enum target_object) <TARGET_OBJECT_CODE_MEMORY>:
New.
(target_read_code): Declare.
gdb/doc:
2013-11-24 Yao Qi <yao@codesourcery.com>
* gdb.texinfo (Caching Remote Data): Document new
"set/show stack-cache" option.
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Hi,
This patch does some renamings on "stack-cache" related functions and
variables.
In the review to "code cache" series v2, we have some discussions on the
name of predicate function 'stack_cache_enabled', and have some options,
1 keep it unchanged, as it is already a predicate clearly,
2 rename it to stack_cache_enabled_p,
3 rename it to enable_stack_cache_p,
I choose #2, because 'stack_cache_enabled' is a predicate, but
it's better to add "_p" suffix to stress this. There are some other
similar patterns used in GDB source, such as unop_user_defined_p
and agent_loaded_p.
Then, I have to rename variable stack_cache_enabled_p to something
else. The option is "stack-cache", so I'd like to name the variable
associated with this command as "stack_cache". Similarly, the commands
associated with this command should be renamed to "set_stack_cache"
and "show_stack_cache" respectively.
gdb:
2013-11-24 Yao Qi <yao@codesourcery.com>
* target-dcache.c (stack_cache_enabled_p_1): Rename to ...
(stack_cache_enabled_1): ... this. New variable.
(stack_cache_enabled_p): Rename to ...
(stack_cache_enabled): ... this. New variable.
(set_stack_cache_enabled_p): Rename to ...
(set_stack_cache): ... this. Update caller.
(show_stack_cache_enabled_p): Rename to ...
(show_stack_cache): ... this. Update caller.
(stack_cache_enabled): Rename to ...
(stack_cache_enabled_p): ... this. Update caller.
(_initialize_target_dcache): Replace "data cache" with
"target memory cache".
* target-dcache.h (stack_cache_enabled): Remove declaration.
(stack_cache_enabled_p): Add declaration.
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This patch moves target_dcache related code out of target.c.
gdb:
2013-11-20 Yao Qi <yao@codesourcery.com>
* Makefile.in (SFILES):Add target-dcache.c.
(HFILES_NO_SRCDIR): Add target-dcache.h.
(COMMON_OBS): Add target-dcache.o.
* dcache.c: Remove inclusion to "target.h". Include
"target-dcache.h".
* memattr.c: Include "target-dcache.h".
* top.c: Likewise.
* tracepoint.c: Likewise.
* target.c: (stack_cache_enabled_p_1): Move to
target-dcache.c.
(stack_cache_enabled_p): Likewise.
(set_stack_cache_enabled_p): Likewise.
(show_stack_cache_enabled_p): Likewise.
(target_dcache, target_dcache_init_p): Likewise.
(target_dcache_invalidate): Likewise.
(target_dcache_get, target_dcache_get_or_init): Likewise.
(memory_xfer_partial_1): Call function stack_cache_enabled.
(initialize_target): Move code to target-dcache.c.
* target.h (target_dcache_invalidate): Move to
target-dcache.h.
(target_dcache_get): Likewise.
* target-dcache.c: New.
* target-dcache.h: New.
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