diff options
| author | Tom Tromey <tromey@adacore.com> | 2019-04-23 07:29:49 -0600 |
|---|---|---|
| committer | Tom Tromey <tromey@adacore.com> | 2019-04-25 12:59:35 -0600 |
| commit | c6fdd8b2052baa9b7a27d4d34f109c9622b53509 (patch) | |
| tree | 98fecba5793b6509802d1f653f4f5c8f46ee3463 /gdb/event-top.c | |
| parent | cc06b668978e542ecbc2aff1beca40e5baff86b0 (diff) | |
| download | gdb-c6fdd8b2052baa9b7a27d4d34f109c9622b53509.zip gdb-c6fdd8b2052baa9b7a27d4d34f109c9622b53509.tar.gz gdb-c6fdd8b2052baa9b7a27d4d34f109c9622b53509.tar.bz2 | |
Make SJLJ exceptions more efficient
This changes the SJLJ exception handling code to be a bit more
efficient, by using rvalue references and move assignment when
possible.
Tested by the buildbot.
gdb/ChangeLog
2019-04-25 Tom Tromey <tromey@adacore.com>
* event-top.c (gdb_rl_callback_read_char_wrapper_noexcept)
(gdb_rl_callback_handler): Use std::move.
* common/common-exceptions.h (struct gdb_exception): Add move
assignment operator.
(throw_exception_sjlj): Change "exception" to const reference.
* common/common-exceptions.c (exceptions_state_mc_catch): Update.
(throw_exception_sjlj): Change "exception" to const reference.
Diffstat (limited to 'gdb/event-top.c')
| -rw-r--r-- | gdb/event-top.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/gdb/event-top.c b/gdb/event-top.c index 959792d..bb8ba5c 100644 --- a/gdb/event-top.c +++ b/gdb/event-top.c @@ -178,7 +178,7 @@ gdb_rl_callback_read_char_wrapper_noexcept () noexcept } CATCH_SJLJ (ex, RETURN_MASK_ALL) { - gdb_expt = ex; + gdb_expt = std::move (ex); } END_CATCH_SJLJ @@ -212,9 +212,9 @@ gdb_rl_callback_handler (char *rl) noexcept { ui->input_handler (gdb::unique_xmalloc_ptr<char> (rl)); } - catch (const gdb_exception &ex) + catch (gdb_exception &ex) { - gdb_rl_expt = ex; + gdb_rl_expt = std::move (ex); } /* If we caught a GDB exception, longjmp out of the readline |