diff options
author | Oliver Wolff <[email protected]> | 2020-06-02 13:57:39 +0200 |
---|---|---|
committer | Oliver Wolff <[email protected]> | 2020-06-04 15:51:51 +0200 |
commit | 9cefaca1ea908df39edee03ef888a40690d355af (patch) | |
tree | 4b9b70afc4215c45130a96c01e4d056b0ae362d1 /src/3rdparty/masm/wtf | |
parent | d0c177f0ee42d7c9454f0093635a5f68362f2283 (diff) |
Remove winrt
Task-number: QTBUG-84434
Change-Id: If8f57f00726868a3540c877d07fca761618e4f08
Reviewed-by: Friedemann Kleint <[email protected]>
Reviewed-by: Fabian Kosmale <[email protected]>
Reviewed-by: Maurice Kalinowski <[email protected]>
Reviewed-by: Ulf Hermann <[email protected]>
Diffstat (limited to 'src/3rdparty/masm/wtf')
-rw-r--r-- | src/3rdparty/masm/wtf/OSAllocatorWinRT.cpp | 125 |
1 files changed, 0 insertions, 125 deletions
diff --git a/src/3rdparty/masm/wtf/OSAllocatorWinRT.cpp b/src/3rdparty/masm/wtf/OSAllocatorWinRT.cpp deleted file mode 100644 index 4cebc35cce..0000000000 --- a/src/3rdparty/masm/wtf/OSAllocatorWinRT.cpp +++ /dev/null @@ -1,125 +0,0 @@ -/* - * Copyright (C) 2010 Apple Inc. All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * - * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' - * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, - * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR - * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS - * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR - * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF - * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS - * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN - * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) - * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF - * THE POSSIBILITY OF SUCH DAMAGE. - */ - -#include "config.h" -#include "OSAllocator.h" -#include "PageBlock.h" - -#if OS(WINRT) - -#include "windows.h" -#include <wtf/Assertions.h> - -// Try to use JIT by default and fallback to non-JIT on first error -static bool qt_winrt_use_jit = true; - -namespace WTF { - -inline size_t getPageSize() -{ - SYSTEM_INFO info; - GetNativeSystemInfo(&info); - return info.dwPageSize; -} - -static inline DWORD protection(bool writable, bool executable) -{ - if (writable && executable) - qFatal("read/write executable areas are not allowed on WinRT"); - return executable ? - (writable ? PAGE_EXECUTE_READWRITE : PAGE_EXECUTE_READ) : - (writable ? PAGE_READWRITE : PAGE_READONLY); -} - -void* OSAllocator::reserveUncommitted(size_t bytes, Usage, bool writable, bool executable) -{ - void *result = VirtualAllocFromApp(0, bytes, MEM_RESERVE, protection(writable, executable)); - return result; -} - -void* OSAllocator::reserveAndCommit(size_t bytes, Usage, bool writable, bool executable, bool includesGuardPages) -{ - void *result; - result = VirtualAllocFromApp(0, bytes, MEM_RESERVE | MEM_COMMIT, - protection(writable, executable)); - - if (includesGuardPages && qt_winrt_use_jit) { - size_t guardSize = pageSize(); - DWORD oldProtect; - if (!VirtualProtectFromApp(result, guardSize, protection(false, false), &oldProtect) || - !VirtualProtectFromApp(static_cast<char*>(result) + bytes - guardSize, guardSize, - protection(false, false), &oldProtect)) { - CRASH(); - } - } - return result; -} - -void OSAllocator::commit(void *bytes, size_t size, bool writable, bool executable) -{ - void *result = VirtualAllocFromApp(bytes, size, MEM_COMMIT, - protection(writable, executable)); - if (!result) - CRASH(); -} - -void OSAllocator::decommit(void* address, size_t bytes) -{ - bool result = VirtualFree(address, bytes, MEM_DECOMMIT); - if (!result) - CRASH(); -} - -void OSAllocator::releaseDecommitted(void* address, size_t) -{ - bool result = VirtualFree(address, 0, MEM_RELEASE); - if (!result) - CRASH(); -} - -bool OSAllocator::canAllocateExecutableMemory() -{ - if (qt_winrt_use_jit) { - // For WinRT we first check if code generation is enabled. If successful - // we allow to use JIT, otherwise fallback to the interpreter - const size_t pageSize = getPageSize(); - void *all = VirtualAllocFromApp(0, pageSize, MEM_RESERVE | MEM_COMMIT, - protection(true, false)); - DWORD oldProtect; - bool res = VirtualProtectFromApp(all, pageSize, PAGE_EXECUTE, &oldProtect); - VirtualFree(all, 0, MEM_RELEASE); - if (!res) { - qt_winrt_use_jit = false; - qWarning("Could not enable JIT, fallback to interpreter mode. " - "Consider setting the code-generation capability"); - } - } - return qt_winrt_use_jit; -} - - -} // namespace WTF - -#endif // OS(WINRT) |