0a49ef02a6
Signed-off-by: Stacey Son <sson@FreeBSD.org> Signed-off-by: Karim Taha <kariem.taha2.7@gmail.com> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Message-Id: <20230925182709.4834-16-kariem.taha2.7@gmail.com>
140 lines
4.6 KiB
C
140 lines
4.6 KiB
C
/*
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* memory management system call shims and definitions
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*
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* Copyright (c) 2013-15 Stacey D. Son
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*
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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 2 of the License, or
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* (at your option) any later version.
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*
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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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*
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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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*/
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/*
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* Copyright (c) 1982, 1986, 1993
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* The Regents of the University of California. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 4. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#ifndef BSD_USER_BSD_MEM_H
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#define BSD_USER_BSD_MEM_H
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#include <sys/types.h>
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#include <sys/ipc.h>
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#include <sys/mman.h>
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#include <sys/shm.h>
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#include <fcntl.h>
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#include "qemu-bsd.h"
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extern struct bsd_shm_regions bsd_shm_regions[];
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extern abi_ulong target_brk;
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extern abi_ulong initial_target_brk;
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/* mmap(2) */
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static inline abi_long do_bsd_mmap(void *cpu_env, abi_long arg1, abi_long arg2,
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abi_long arg3, abi_long arg4, abi_long arg5, abi_long arg6, abi_long arg7,
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abi_long arg8)
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{
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if (regpairs_aligned(cpu_env) != 0) {
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arg6 = arg7;
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arg7 = arg8;
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}
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return get_errno(target_mmap(arg1, arg2, arg3,
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target_to_host_bitmask(arg4, mmap_flags_tbl),
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arg5, target_arg64(arg6, arg7)));
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}
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/* munmap(2) */
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static inline abi_long do_bsd_munmap(abi_long arg1, abi_long arg2)
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{
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return get_errno(target_munmap(arg1, arg2));
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}
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/* mprotect(2) */
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static inline abi_long do_bsd_mprotect(abi_long arg1, abi_long arg2,
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abi_long arg3)
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{
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return get_errno(target_mprotect(arg1, arg2, arg3));
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}
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/* msync(2) */
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static inline abi_long do_bsd_msync(abi_long addr, abi_long len, abi_long flags)
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{
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if (!guest_range_valid_untagged(addr, len)) {
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/* It seems odd, but POSIX wants this to be ENOMEM */
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return -TARGET_ENOMEM;
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}
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return get_errno(msync(g2h_untagged(addr), len, flags));
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}
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/* mlock(2) */
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static inline abi_long do_bsd_mlock(abi_long arg1, abi_long arg2)
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{
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if (!guest_range_valid_untagged(arg1, arg2)) {
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return -TARGET_EINVAL;
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}
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return get_errno(mlock(g2h_untagged(arg1), arg2));
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}
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/* munlock(2) */
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static inline abi_long do_bsd_munlock(abi_long arg1, abi_long arg2)
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{
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if (!guest_range_valid_untagged(arg1, arg2)) {
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return -TARGET_EINVAL;
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}
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return get_errno(munlock(g2h_untagged(arg1), arg2));
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}
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/* mlockall(2) */
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static inline abi_long do_bsd_mlockall(abi_long arg1)
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{
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return get_errno(mlockall(arg1));
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}
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/* munlockall(2) */
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static inline abi_long do_bsd_munlockall(void)
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{
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return get_errno(munlockall());
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}
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/* minherit(2) */
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static inline abi_long do_bsd_minherit(abi_long addr, abi_long len,
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abi_long inherit)
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{
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return get_errno(minherit(g2h_untagged(addr), len, inherit));
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}
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#endif /* BSD_USER_BSD_MEM_H */
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