diff options
Diffstat (limited to 'sim/common/sim-reason.c')
-rw-r--r-- | sim/common/sim-reason.c | 57 |
1 files changed, 57 insertions, 0 deletions
diff --git a/sim/common/sim-reason.c b/sim/common/sim-reason.c new file mode 100644 index 0000000..b540df3 --- /dev/null +++ b/sim/common/sim-reason.c @@ -0,0 +1,57 @@ +/* Generic simulator stop_reason. + Copyright (C) 1997 Free Software Foundation, Inc. + Contributed by Cygnus Support. + +This file is part of GDB, the GNU debugger. + +This program is free software; you can redistribute it and/or modify +it under the terms of the GNU General Public License as published by +the Free Software Foundation; either version 2, or (at your option) +any later version. + +This program is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along +with this program; if not, write to the Free Software Foundation, Inc., +59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ + +#include "sim-main.h" +#include "sim-assert.h" + +/* Generic implementation of sim_stop_reason */ + +void +sim_stop_reason (SIM_DESC sd, enum sim_stop *reason, int *sigrc) +{ + sim_engine *engine = NULL; + SIM_ASSERT (STATE_MAGIC (sd) == SIM_MAGIC_NUMBER); + engine = STATE_ENGINE (sd); + *reason = engine->reason; + switch (*reason) + { + case sim_exited : + *sigrc = engine->sigrc; + break; + case sim_signalled : + /* ??? See the comment below case `sim_signalled' in + gdb/remote-sim.c:gdbsim_wait. + ??? Consider the case of the target requesting that it + kill(2) itself with SIGNAL. That SIGNAL, being target + specific, will not correspond to either of the SIM_SIGNAL + enum nor the HOST_SIGNAL. A mapping from TARGET_SIGNAL to + HOST_SIGNAL is needed. */ + *sigrc = sim_signal_to_host (sd, engine->sigrc); + break; + case sim_stopped : + /* The gdb/simulator interface calls for us to return the host + version of the signal which gdb then converts into the + target's version. This is obviously a bit clumsy. */ + *sigrc = sim_signal_to_host (sd, engine->sigrc); + break; + default : + abort (); + } +} |