102 lines
5.2 KiB
C++
102 lines
5.2 KiB
C++
// =====================================================================================================================
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// fennec, a free and open source game engine
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// Copyright (C) 2025 Medusa Slockbower
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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 3 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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//2
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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 <https://www.gnu.org/licenses/>.
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// =====================================================================================================================
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#include <fennec/langcpp/detail/_stdlib.h>
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#include <fennec/memory/new.h>
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#ifdef FENNEC_MEMORY_DEBUGGER
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// TODO: Memory Debugging
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// General concept is to create a table of allocated memory addresses.
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#else
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// Windows does not define ISO C aligned allocation functions
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#ifdef FENNEC_COMPILER_MSVC
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void operator delete (void* ptr) noexcept { _aligned_free(ptr); }
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void operator delete[](void* ptr) noexcept { _aligned_free(ptr); }
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void operator delete (void* ptr, fennec::align_t) noexcept { ::_aligned_free(ptr); }
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void operator delete[](void* ptr, fennec::align_t) noexcept { ::_aligned_free(ptr); }
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void operator delete (void* ptr, fennec::size_t, fennec::align_t) noexcept { ::_aligned_free(ptr); }
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void operator delete[](void* ptr, fennec::size_t, fennec::align_t) noexcept { ::_aligned_free(ptr); }
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void operator delete (void* ptr, fennec::align_t, const fennec::nothrow_t&) noexcept { _aligned_free(ptr); }
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void operator delete[](void* ptr, fennec::align_t, const fennec::nothrow_t&) noexcept { _aligned_free(ptr); }
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void* operator new (fennec::size_t size, fennec::align_t align) { return _aligned_malloc(static_cast<size_t>(align), size); }
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void* operator new[](fennec::size_t size, fennec::align_t align) { return _aligned_malloc(static_cast<size_t>(align), size); }
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void* operator new (fennec::size_t size, fennec::align_t align, const fennec::nothrow_t&) { return _aligned_malloc(static_cast<size_t>(align), size); }
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void* operator new[](fennec::size_t size, fennec::align_t align, const fennec::nothrow_t&) { return _aligned_malloc(static_cast<size_t>(align), size); }
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#define WIN32_LEAN_AND_MEAN
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#include <windows.h>
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namespace fennec
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{
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inline size_T pagesize() {
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SYSTEM_INFO sysInfo;
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GetSystemInfo(&sysInfo);
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return sysInfo.dwPageSize;
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}
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}
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#else
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void operator delete (void* ptr) noexcept { ::free(ptr); }
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void operator delete[](void* ptr) noexcept { ::free(ptr); }
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void operator delete (void* ptr, fennec::align_t) noexcept { ::free(ptr); }
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void operator delete[](void* ptr, fennec::align_t) noexcept { ::free(ptr); }
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void operator delete (void* ptr, fennec::size_t, fennec::align_t) noexcept { ::free(ptr); }
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void operator delete[](void* ptr, fennec::size_t, fennec::align_t) noexcept { ::free(ptr); }
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void operator delete (void* ptr, fennec::align_t, const fennec::nothrow_t&) noexcept { ::free(ptr); }
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void operator delete[](void* ptr, fennec::align_t, const fennec::nothrow_t&) noexcept { ::free(ptr); }
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void* operator new (fennec::size_t size, fennec::align_t align) { return ::aligned_alloc(static_cast<fennec::size_t>(align), size); }
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void* operator new[](fennec::size_t size, fennec::align_t align) { return ::aligned_alloc(static_cast<fennec::size_t>(align), size); }
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void* operator new (fennec::size_t size, fennec::align_t align, const fennec::nothrow_t&) { return ::aligned_alloc(static_cast<fennec::size_t>(align), size); }
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void* operator new[](fennec::size_t size, fennec::align_t align, const fennec::nothrow_t&) { return ::aligned_alloc(static_cast<fennec::size_t>(align), size); }
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#endif
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// Allocation functions
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void* operator new (fennec::size_t size) { return ::malloc(size); }
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void* operator new[](fennec::size_t size) { return ::malloc(size); }
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void* operator new (fennec::size_t size, const fennec::nothrow_t&) { return ::malloc(size); }
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void* operator new[](fennec::size_t size, const fennec::nothrow_t&) { return ::malloc(size); }
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// Deallocation Functions
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void operator delete (void* ptr, fennec::size_t) noexcept { ::free(ptr); }
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void operator delete[](void* ptr, fennec::size_t) noexcept { ::free(ptr); }
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void operator delete (void* ptr, const fennec::nothrow_t&) noexcept { ::free(ptr); }
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void operator delete[](void* ptr, const fennec::nothrow_t&) noexcept { ::free(ptr); }
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void operator delete (void* ptr, fennec::size_t, const fennec::nothrow_t&) noexcept { ::free(ptr); }
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void operator delete[](void* ptr, fennec::size_t, const fennec::nothrow_t&) noexcept { ::free(ptr); }
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#include <unistd.h>
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namespace fennec
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{
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size_t pagesize() {
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return sysconf(_SC_PAGESIZE);
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}
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}
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#endif |