| // Copyright 2017 Google Inc. All Rights Reserved. |
| // |
| // Licensed under the Apache License, Version 2.0 (the "License"); |
| // you may not use this file except in compliance with the License. |
| // You may obtain a copy of the License at |
| // |
| // http://www.apache.org/licenses/LICENSE-2.0 |
| // |
| // Unless required by applicable law or agreed to in writing, software |
| // distributed under the License is distributed on an "AS IS" BASIS, |
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| // See the License for the specific language governing permissions and |
| // limitations under the License. |
| |
| #include "starboard/memory.h" |
| |
| #include <windows.h> |
| |
| #include "starboard/log.h" |
| |
| void* SbMemoryMap(int64_t size_bytes, int flags, const char* name) { |
| SB_UNREFERENCED_PARAMETER(name); |
| if (size_bytes == 0) { |
| return SB_MEMORY_MAP_FAILED; |
| } |
| ULONG protect = PAGE_NOACCESS; |
| // |flags| is a bitmask of SbMemoryMapFlags, but |protect| is not a bitmask. |
| switch (flags) { |
| case kSbMemoryMapProtectRead: |
| protect = PAGE_READONLY; |
| break; |
| case kSbMemoryMapProtectWrite: |
| // Windows does not provide write only mode privileges |
| // are escalated to read/write. |
| case kSbMemoryMapProtectReadWrite: |
| protect = PAGE_READWRITE; |
| break; |
| default: |
| SB_NOTREACHED(); |
| } |
| return VirtualAllocFromApp(NULL, size_bytes, MEM_COMMIT, protect); |
| } |