| /* |
| * Copyright (C) 2008 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. ``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 |
| * 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 "ExecutableAllocator.h" |
| |
| #if ENABLE_ASSEMBLER && WTF_OS_OS2 |
| |
| #define INCL_DOS |
| #include <os2.h> |
| |
| namespace JSC { |
| |
| size_t ExecutableAllocator::determinePageSize() |
| { |
| return 4096u; |
| } |
| |
| ExecutablePool::Allocation ExecutableAllocator::systemAlloc(size_t n) |
| { |
| void* allocation = NULL; |
| if (DosAllocMem(&allocation, n, OBJ_ANY|PAG_COMMIT|PAG_READ|PAG_WRITE) && |
| DosAllocMem(&allocation, n, PAG_COMMIT|PAG_READ|PAG_WRITE)) |
| CRASH(); |
| ExecutablePool::Allocation alloc = { reinterpret_cast<char*>(allocation), n }; |
| return alloc; |
| } |
| |
| void ExecutableAllocator::systemRelease(const ExecutablePool::Allocation& alloc) |
| { |
| DosFreeMem(alloc.pages); |
| } |
| |
| #if ENABLE_ASSEMBLER_WX_EXCLUSIVE |
| #error "ASSEMBLER_WX_EXCLUSIVE not yet suported on this platform." |
| #endif |
| |
| } |
| |
| #endif // HAVE(ASSEMBLER) |
