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/* Simulator system call support.
Copyright 2002-2020 Free Software Foundation, Inc.
This file is part of simulators.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>. */
#ifndef SIM_SYSCALL_H
#define SIM_SYSCALL_H
/* Perform a syscall on the behalf of the target program. The error/result are
normalized into a single value (like a lot of operating systems do). If you
want the split values, see the other function below.
Note: While cb_syscall requires you handle the exit syscall yourself, that is
not the case with these helpers.
Note: Types here match the gdb callback interface. */
long sim_syscall (SIM_CPU *, int func, long arg1, long arg2, long arg3,
long arg4);
/* Same as sim_syscall, but return the split values by referenced. */
void sim_syscall_multi (SIM_CPU *, int func, long arg1, long arg2, long arg3,
long arg4, long *result, long *result2, int *errcode);
/* Simple memory callbacks for cb_syscall's read_mem/write_mem that assume
cb_syscall's p1 and p2 are set to the SIM_DESC and SIM_CPU respectively. */
int sim_syscall_read_mem (host_callback *, struct cb_syscall *, unsigned long,
char *, int);
int sim_syscall_write_mem (host_callback *, struct cb_syscall *, unsigned long,
const char *, int);
#endif
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