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| author | Jan Kratochvil <jan.kratochvil@redhat.com> | 2014-05-14 14:01:24 -0600 |
|---|---|---|
| committer | Jan Kratochvil <jan.kratochvil@redhat.com> | 2014-12-12 22:25:15 +0100 |
| commit | 233a8fb382c88d7faa6da1cd93a7e21b77e36df4 (patch) | |
| tree | a4a8a2bba3dafe8a4a964b7c342465dc1b69fb6a /gdb/dummy-frame.h | |
| parent | f1660027106d583c639c9f37096519944d5c20e9 (diff) | |
| download | gdb-233a8fb382c88d7faa6da1cd93a7e21b77e36df4.zip gdb-233a8fb382c88d7faa6da1cd93a7e21b77e36df4.tar.gz gdb-233a8fb382c88d7faa6da1cd93a7e21b77e36df4.tar.bz2 | |
add dummy frame destructor
The compiler code needed a hook into dummy frame destruction, so that
some state could be kept while the inferior call is made and then
destroyed when the inferior call finishes.
This patch adds an optional destructor to dummy frames and a new API
to access it.
gdb/ChangeLog
2014-12-12 Jan Kratochvil <jan.kratochvil@redhat.com>
* dummy-frame.c (struct dummy_frame) <dtor, dtor_data>: New
fields.
(pop_dummy_frame): Call the destructor if it exists.
(register_dummy_frame_dtor, find_dummy_frame_dtor): New
functions.
* dummy-frame.h (dummy_frame_dtor_ftype): New typedef.
(register_dummy_frame_dtor, find_dummy_frame_dtor): Declare.
Diffstat (limited to 'gdb/dummy-frame.h')
| -rw-r--r-- | gdb/dummy-frame.h | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/gdb/dummy-frame.h b/gdb/dummy-frame.h index bac1aac..8c1a1d0 100644 --- a/gdb/dummy-frame.h +++ b/gdb/dummy-frame.h @@ -54,4 +54,17 @@ extern void dummy_frame_discard (struct frame_id dummy_id, ptid_t ptid); extern const struct frame_unwind dummy_frame_unwind; +/* Call DTOR with DTOR_DATA when DUMMY_ID frame of thread PTID gets discarded. + Dummy frame with DUMMY_ID must exist. There must be no other call of + register_dummy_frame_dtor for that dummy frame. */ +typedef void (dummy_frame_dtor_ftype) (void *data); +extern void register_dummy_frame_dtor (struct frame_id dummy_id, ptid_t ptid, + dummy_frame_dtor_ftype *dtor, + void *dtor_data); + +/* Return 1 if there exists dummy frame with registered DTOR and DTOR_DATA. + Return 0 otherwise. */ +extern int find_dummy_frame_dtor (dummy_frame_dtor_ftype *dtor, + void *dtor_data); + #endif /* !defined (DUMMY_FRAME_H) */ |