1/* Simulator system call support. 2 3 Copyright 2002-2023 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 23struct cb_syscall; 24 25/* Perform a syscall on the behalf of the target program. The error/result are 26 normalized into a single value (like a lot of operating systems do). If you 27 want the split values, see the other function below. 28 29 Note: While cb_syscall requires you handle the exit syscall yourself, that is 30 not the case with these helpers. 31 32 Note: Types here match the gdb callback interface. */ 33long sim_syscall (SIM_CPU *, int func, long arg1, long arg2, long arg3, 34 long arg4); 35 36/* Same as sim_syscall, but return the split values by referenced. */ 37void sim_syscall_multi (SIM_CPU *, int func, long arg1, long arg2, long arg3, 38 long arg4, long *result, long *result2, int *errcode); 39 40/* Simple memory callbacks for cb_syscall's read_mem/write_mem that assume 41 cb_syscall's p1 and p2 are set to the SIM_DESC and SIM_CPU respectively. */ 42int sim_syscall_read_mem (host_callback *, struct cb_syscall *, unsigned long, 43 char *, int); 44int sim_syscall_write_mem (host_callback *, struct cb_syscall *, unsigned long, 45 const char *, int); 46 47#endif 48