]> git.ipfire.org Git - thirdparty/binutils-gdb.git/blob - sim/common/sim-reason.c
This commit was generated by cvs2svn to track changes on a CVS vendor
[thirdparty/binutils-gdb.git] / sim / common / sim-reason.c
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 }