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61a0c964 MF |
1 | /* Simulator system call support. |
2 | ||
3 | Copyright 2002-2015 Free Software Foundation, Inc. | |
4 | ||
5 | This file is part of simulators. | |
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 3 of the License, or | |
10 | (at your option) 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 | |
18 | along with this program. If not, see <http://www.gnu.org/licenses/>. */ | |
19 | ||
20 | #ifndef SIM_SYSCALL_H | |
21 | #define SIM_SYSCALL_H | |
22 | ||
7d5c6c43 MF |
23 | /* Perform a syscall on the behalf of the target program. The error/result are |
24 | normalized into a single value (like a lot of operating systems do). If you | |
25 | want the split values, see the other function below. | |
26 | ||
27 | Note: While cb_syscall requires you handle the exit syscall yourself, that is | |
28 | not the case with these helpers. | |
29 | ||
30 | Note: Types here match the gdb callback interface. */ | |
31 | long sim_syscall (SIM_CPU *, int func, long arg1, long arg2, long arg3, | |
32 | long arg4); | |
33 | ||
34 | /* Same as sim_syscall, but return the split values by referenced. */ | |
35 | void sim_syscall_multi (SIM_CPU *, int func, long arg1, long arg2, long arg3, | |
36 | long arg4, long *result, long *result2, int *errcode); | |
37 | ||
61a0c964 MF |
38 | /* Simple memory callbacks for cb_syscall's read_mem/write_mem that assume |
39 | cb_syscall's p1 and p2 are set to the SIM_DESC and SIM_CPU respectively. */ | |
40 | int sim_syscall_read_mem (host_callback *, struct cb_syscall *, unsigned long, | |
41 | char *, int); | |
42 | int sim_syscall_write_mem (host_callback *, struct cb_syscall *, unsigned long, | |
43 | const char *, int); | |
44 | ||
45 | #endif |