47 lines
1.9 KiB
C
47 lines
1.9 KiB
C
/* Simulator system call support.
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Copyright 2002-2022 Free Software Foundation, Inc.
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This file is part of simulators.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>. */
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#ifndef SIM_SYSCALL_H
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#define SIM_SYSCALL_H
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struct cb_syscall;
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/* Perform a syscall on the behalf of the target program. The error/result are
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normalized into a single value (like a lot of operating systems do). If you
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want the split values, see the other function below.
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Note: While cb_syscall requires you handle the exit syscall yourself, that is
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not the case with these helpers.
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Note: Types here match the gdb callback interface. */
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long sim_syscall (SIM_CPU *, int func, long arg1, long arg2, long arg3,
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long arg4);
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/* Same as sim_syscall, but return the split values by referenced. */
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void sim_syscall_multi (SIM_CPU *, int func, long arg1, long arg2, long arg3,
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long arg4, long *result, long *result2, int *errcode);
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/* Simple memory callbacks for cb_syscall's read_mem/write_mem that assume
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cb_syscall's p1 and p2 are set to the SIM_DESC and SIM_CPU respectively. */
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int sim_syscall_read_mem (host_callback *, struct cb_syscall *, unsigned long,
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char *, int);
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int sim_syscall_write_mem (host_callback *, struct cb_syscall *, unsigned long,
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const char *, int);
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#endif
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