| 1 | /* Generic simulator stop_reason. |
| 2 | Copyright (C) 1997 Free Software Foundation, Inc. |
| 3 | Contributed by Cygnus Support. |
| 4 | |
| 5 | This file is part of GDB, the GNU debugger. |
| 6 | |
| 7 | This program is free software; you can redistribute it and/or modify |
| 8 | it under the terms of the GNU General Public License as published by |
| 9 | the Free Software Foundation; either version 2, or (at your option) |
| 10 | any later version. |
| 11 | |
| 12 | This program is distributed in the hope that it will be useful, |
| 13 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 15 | GNU General Public License for more details. |
| 16 | |
| 17 | You should have received a copy of the GNU General Public License along |
| 18 | with this program; if not, write to the Free Software Foundation, Inc., |
| 19 | 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ |
| 20 | |
| 21 | #include "sim-main.h" |
| 22 | #include "sim-assert.h" |
| 23 | |
| 24 | /* Generic implementation of sim_stop_reason */ |
| 25 | |
| 26 | void |
| 27 | sim_stop_reason (SIM_DESC sd, enum sim_stop *reason, int *sigrc) |
| 28 | { |
| 29 | sim_engine *engine = NULL; |
| 30 | SIM_ASSERT (STATE_MAGIC (sd) == SIM_MAGIC_NUMBER); |
| 31 | engine = STATE_ENGINE (sd); |
| 32 | *reason = engine->reason; |
| 33 | switch (*reason) |
| 34 | { |
| 35 | case sim_exited : |
| 36 | *sigrc = engine->sigrc; |
| 37 | break; |
| 38 | case sim_signalled : |
| 39 | /* ??? See the comment below case `sim_signalled' in |
| 40 | gdb/remote-sim.c:gdbsim_wait. |
| 41 | ??? Consider the case of the target requesting that it |
| 42 | kill(2) itself with SIGNAL. That SIGNAL, being target |
| 43 | specific, will not correspond to either of the SIM_SIGNAL |
| 44 | enum nor the HOST_SIGNAL. A mapping from TARGET_SIGNAL to |
| 45 | HOST_SIGNAL is needed. */ |
| 46 | *sigrc = sim_signal_to_host (sd, engine->sigrc); |
| 47 | break; |
| 48 | case sim_stopped : |
| 49 | /* The gdb/simulator interface calls for us to return the host |
| 50 | version of the signal which gdb then converts into the |
| 51 | target's version. This is obviously a bit clumsy. */ |
| 52 | *sigrc = sim_signal_to_host (sd, engine->sigrc); |
| 53 | break; |
| 54 | default : |
| 55 | abort (); |
| 56 | } |
| 57 | } |