| 45 | } |
| 46 | |
| 47 | static void *AllocJitMemory(size_t size) |
| 48 | { |
| 49 | using namespace asmjit; |
| 50 | |
| 51 | if (JitBlockPos + size <= JitBlockSize) |
| 52 | { |
| 53 | uint8_t *p = JitBlocks[JitBlocks.Size() - 1]; |
| 54 | p += JitBlockPos; |
| 55 | JitBlockPos += size; |
| 56 | return p; |
| 57 | } |
| 58 | else |
| 59 | { |
| 60 | const size_t bytesToAllocate = max(size_t(1024 * 1024), size); |
| 61 | size_t allocatedSize = 0; |
| 62 | void *p = OSUtils::allocVirtualMemory(bytesToAllocate, &allocatedSize, OSUtils::kVMWritable | OSUtils::kVMExecutable); |
| 63 | if (!p) |
| 64 | return nullptr; |
| 65 | JitBlocks.Push((uint8_t*)p); |
| 66 | JitBlockSize = allocatedSize; |
| 67 | JitBlockPos = size; |
| 68 | return p; |
| 69 | } |
| 70 | } |
| 71 | |
| 72 | #ifdef WIN32 |
| 73 |
no test coverage detected