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| author | Yao Qi <yao.qi@linaro.org> | 2018-02-21 11:20:03 +0000 |
|---|---|---|
| committer | Yao Qi <yao.qi@linaro.org> | 2018-02-21 11:20:03 +0000 |
| commit | daf6667d1f94c7e74df4076daf021cd28a2797b6 (patch) | |
| tree | c3cdc9beab7cb79439034a2c1b209e5e99e1826f /gdb/frame.c | |
| parent | fc5b87361580d915e28ae5f3cc4794b75b671b5a (diff) | |
| download | fsf-binutils-gdb-daf6667d1f94c7e74df4076daf021cd28a2797b6.zip fsf-binutils-gdb-daf6667d1f94c7e74df4076daf021cd28a2797b6.tar.gz fsf-binutils-gdb-daf6667d1f94c7e74df4076daf021cd28a2797b6.tar.bz2 | |
Class readonly_detached_regcache
This patch adds a new class (type) for readonly regcache, which is
created via regcache::save. readonly_detached_regcache inherits
readable_regcache.
gdb:
2018-02-21 Yao Qi <yao.qi@linaro.org>
* dummy-frame.c (dummy_frame_cache) <prev_regcache>: Use
readonly_detached_regcache.
(dummy_frame_prev_register): Use regcache->cooked_read.
* frame.c (frame_save_as_regcache): Change return type.
(frame_pop): Update.
* frame.h (frame_save_as_regcache): Update declaration.
* inferior.h (get_infcall_suspend_state_regcache): Update
declaration.
* infrun.c (infcall_suspend_state) <registers>: use
readonly_detached_regcache.
(save_infcall_suspend_state): Don't use regcache_dup.
(get_infcall_suspend_state_regcache): Change return type.
* linux-fork.c (struct fork_info) <savedregs>: Change to
readonly_detached_regcache.
<pc>: New field.
(fork_save_infrun_state): Don't use regcache_dup.
(info_checkpoints_command): Adjust.
* mi/mi-main.c (register_changed_p): Update declaration.
(mi_cmd_data_list_changed_registers): Use
readonly_detached_regcache.
(register_changed_p): Change parameter type to
readonly_detached_regcache.
* ppc-linux-tdep.c (ppu2spu_cache) <regcache>: Use
readonly_detached_regcache.
(ppu2spu_sniffer): Construct a new readonly_detached_regcache.
* regcache.c (readonly_detached_regcache::readonly_detached_regcache):
New.
(regcache::save): Move it to reg_buffer.
(regcache::restore): Change parameter type.
(regcache_dup): Remove.
* regcache.h (reg_buffer) <save>: New method.
(readonly_detached_regcache): New class.
* spu-tdep.c (spu2ppu_cache) <regcache>: Use
readonly_detached_regcache.
(spu2ppu_sniffer): Construct a new readonly_detached_regcache.
Diffstat (limited to 'gdb/frame.c')
| -rw-r--r-- | gdb/frame.c | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/gdb/frame.c b/gdb/frame.c index 773fd04..0b04a4e 100644 --- a/gdb/frame.c +++ b/gdb/frame.c @@ -1017,13 +1017,13 @@ do_frame_register_read (void *src, int regnum, gdb_byte *buf) return REG_VALID; } -std::unique_ptr<struct regcache> +std::unique_ptr<readonly_detached_regcache> frame_save_as_regcache (struct frame_info *this_frame) { - std::unique_ptr<struct regcache> regcache - (new struct regcache (get_frame_arch (this_frame))); + std::unique_ptr<readonly_detached_regcache> regcache + (new readonly_detached_regcache (get_frame_arch (this_frame), + do_frame_register_read, this_frame)); - regcache->save (do_frame_register_read, this_frame); return regcache; } @@ -1057,7 +1057,7 @@ frame_pop (struct frame_info *this_frame) Save them in a scratch buffer so that there isn't a race between trying to extract the old values from the current regcache while at the same time writing new values into that same cache. */ - std::unique_ptr<struct regcache> scratch + std::unique_ptr<readonly_detached_regcache> scratch = frame_save_as_regcache (prev_frame); /* FIXME: cagney/2003-03-16: It should be possible to tell the |