1 /* This file is part of the program psim.
3 Copyright (C) 1994-1995, Andrew Cagney <cagney@highland.com.au>
5 This program is free software; you can redistribute it and/or modify
6 it under the terms of the GNU General Public License as published by
7 the Free Software Foundation; either version 2 of the License, or
8 (at your option) any later version.
10 This program is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 GNU General Public License for more details.
15 You should have received a copy of the GNU General Public License
16 along with this program; if not, write to the Free Software
17 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
25 typedef struct _os_emul os_emul;
28 (os_emul *) os_emul_create
29 (const char *file_name,
38 /* System-call emulation - for user code. Instead of trapping system
39 calls to kernel mode, the simulator emulates the kernels behavour */
42 (void) os_emul_system_call
47 /* Instruction emulation - for kernel code. Extra (normally illegal)
48 instructions are added to the instruction table that when executed
49 call this emulation function. The instruction call emulator should
50 verify the address that the instruction appears before emulating
51 the required behavour. If the verification fails, a zero value
52 should be returned (indicating instruction illegal). */
55 (int) os_emul_instruction_call