* remote-sim.c (gdbsim_open_p): New static local.

(gdbsim_open): Call unpush_target if sim open.  Set gdbsim_open_p.
	(gdbsim_close): Only call sim_close if sim open.  Reset gdbsim_open_p.
This commit is contained in:
David Edelsohn 1996-12-30 08:34:35 +00:00
parent a79d0193ec
commit d9ad8adf03
2 changed files with 26 additions and 1 deletions

View file

@ -1,3 +1,9 @@
Mon Dec 30 00:14:06 1996 Doug Evans <dje@seba.cygnus.com>
* remote-sim.c (gdbsim_open_p): New static local.
(gdbsim_open): Call unpush_target if sim open. Set gdbsim_open_p.
(gdbsim_close): Only call sim_close if sim open. Reset gdbsim_open_p.
Sun Dec 29 09:15:03 1996 Mark Alexander <marka@cygnus.com>
* config/i386/xm-windows.h: Make SIGTRAP and SIGQUIT consistent

View file

@ -93,6 +93,11 @@ extern struct target_ops gdbsim_ops;
static int program_loaded = 0;
/* We must keep track of whether the simulator has been opened or not because
GDB can call a target's close routine twice, but sim_close doesn't allow
this. */
static int gdbsim_open_p = 0;
static void
dump_mem (buf, len)
char *buf;
@ -380,9 +385,19 @@ gdbsim_open (args, from_tty)
if (sr_get_debug ())
printf_filtered ("gdbsim_open: args \"%s\"\n", args ? args : "(null)");
/* Remove current simulator if one exists. Only do this if the simulator
has been opened because sim_close requires it.
This is important because the call to push_target below will cause
sim_close to be called if the simulator is already open, but push_target
is called after sim_open! We can't move the call to push_target before
the call to sim_open because sim_open may invoke `error'. */
if (gdbsim_open_p)
unpush_target (&gdbsim_ops);
init_callbacks ();
sim_open (args);
gdbsim_open_p = 1;
push_target (&gdbsim_ops);
target_fetch_registers (-1);
@ -407,7 +422,11 @@ gdbsim_close (quitting)
program_loaded = 0;
sim_close (quitting);
if (gdbsim_open_p)
{
sim_close (quitting);
gdbsim_open_p = 0;
}
end_callbacks ();
}