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| author | Andrew Cagney <cagney@redhat.com> | 2002-11-13 17:59:40 +0000 |
|---|---|---|
| committer | Andrew Cagney <cagney@redhat.com> | 2002-11-13 17:59:40 +0000 |
| commit | f8f1fcefaac56a81f52bbc743c20b6e15999ac10 (patch) | |
| tree | 495cd1b37a2fff2a04a4e670e88a65acc292eafe /gdb/regcache.h | |
| parent | 8870584e7e2fc5a3c87b2474d5bd8ea916081b9c (diff) | |
| download | gdb-f8f1fcefaac56a81f52bbc743c20b6e15999ac10.tar.gz | |
2002-11-13 Andrew Cagney <cagney@redhat.com>
* regcache.c (struct regcache): Replace passthough_p with
readonly_p.
(regcache_xmalloc): Initialize readonly_p.
(build_regcache): Initialize readonly_p.
(regcache_save): New function.
(regcache_restore): New function.
(regcache_cpy): Re-implement using regcache_save and
regcache_restore.
(regcache_raw_read): Update.
(regcache_cooked_read): When a read-only cache, checked for cached
pseudo register values.
(regcache_raw_write): Assert that the cache is not read-only.
Remove code handling a non-passthrough cache.
* regcache.h (regcache_save): Declare.
(regcache_restore): Declare.
Diffstat (limited to 'gdb/regcache.h')
| -rw-r--r-- | gdb/regcache.h | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/gdb/regcache.h b/gdb/regcache.h index ad70298a6b9..a1ea2fadfb5 100644 --- a/gdb/regcache.h +++ b/gdb/regcache.h @@ -134,6 +134,16 @@ extern int max_register_size (struct gdbarch *gdbarch); extern char *registers; +/* Save/restore a register cache. The registers saved/restored is + determined by the save_reggroup and restore_reggroup (although you + can't restore a register that wasn't saved as well :-). You can + only save to a read-only cache (default from regcache_xmalloc()) + from a live cache and you can only restore from a read-only cache + to a live cache. */ + +extern void regcache_save (struct regcache *dst, struct regcache *src); +extern void regcache_restore (struct regcache *dst, struct regcache *src); + /* Copy/duplicate the contents of a register cache. By default, the operation is pass-through. Writes to DST and reads from SRC will go through to the target. |