diff options
-rw-r--r-- | gdb/ChangeLog | 6 | ||||
-rw-r--r-- | gdb/event-top.c | 6 |
2 files changed, 11 insertions, 1 deletions
diff --git a/gdb/ChangeLog b/gdb/ChangeLog index 3e28e77cb73..17e10e869b8 100644 --- a/gdb/ChangeLog +++ b/gdb/ChangeLog @@ -1,5 +1,11 @@ 2019-04-25 Tom Tromey <tromey@adacore.com> + PR gdb/24475: + * event-top.c (gdb_rl_callback_handler): Make "gdb_rl_expt" + static. + +2019-04-25 Tom Tromey <tromey@adacore.com> + * xml-support.c (struct gdb_xml_parser) <set_error>: Take an rvalue reference. (gdb_xml_start_element_wrapper, gdb_xml_end_element_wrapper) diff --git a/gdb/event-top.c b/gdb/event-top.c index 9fa46c8ad44..3ccf136ff12 100644 --- a/gdb/event-top.c +++ b/gdb/event-top.c @@ -205,11 +205,15 @@ gdb_rl_callback_read_char_wrapper (gdb_client_data client_data) static void gdb_rl_callback_handler (char *rl) noexcept { - struct gdb_exception gdb_rl_expt; + /* This is static to avoid undefined behavior when calling longjmp + -- gdb_exception has a destructor with side effects. */ + static struct gdb_exception gdb_rl_expt; struct ui *ui = current_ui; try { + /* Ensure the exception is reset on each call. */ + gdb_rl_expt = {}; ui->input_handler (gdb::unique_xmalloc_ptr<char> (rl)); } catch (gdb_exception &ex) |