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https://github.com/Atmosphere-NX/Atmosphere-libs.git
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49 lines
1.7 KiB
C++
49 lines
1.7 KiB
C++
/*
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* Copyright (c) Atmosphère-NX
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms and conditions of the GNU General Public License,
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* version 2, as published by the Free Software Foundation.
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*
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* This program is distributed in the hope it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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* 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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#include <stratosphere.hpp>
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#include <sys/mman.h>
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namespace ams::os::impl {
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void SetMemoryPermissionImpl(uintptr_t address, size_t size, MemoryPermission perm) {
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switch (perm) {
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case MemoryPermission_None:
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{
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auto res = ::mprotect(reinterpret_cast<void *>(address), size, PROT_NONE);
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AMS_ABORT_UNLESS(res);
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AMS_UNUSED(res);
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}
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break;
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case MemoryPermission_ReadOnly:
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{
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auto res = ::mprotect(reinterpret_cast<void *>(address), size, PROT_READ);
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AMS_ABORT_UNLESS(res);
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AMS_UNUSED(res);
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}
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break;
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case MemoryPermission_ReadWrite:
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{
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auto res = ::mprotect(reinterpret_cast<void *>(address), size, PROT_READ | PROT_WRITE);
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AMS_ABORT_UNLESS(res);
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AMS_UNUSED(res);
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}
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break;
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AMS_UNREACHABLE_DEFAULT_CASE();
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}
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}
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}
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