Initial commit

src/common/virtualMemory.h

@@ -0,0 +1,46 @@
+#ifndef KYTY_COMMON_VIRTUALMEMORY_H_
+#define KYTY_COMMON_VIRTUALMEMORY_H_
+
+#include "common/common.h"
+
+namespace Common {
+
+namespace VirtualMemory {
+
+enum class Mode : uint32_t {
+	NoAccess         = 0,
+	Read             = 1,
+	Write            = 2,
+	ReadWrite        = Read | Write,
+	Execute          = 4,
+	ExecuteRead      = Execute | Read,
+	ExecuteWrite     = Execute | Write,
+	ExecuteReadWrite = Execute | Read | Write,
+};
+
+inline bool IsExecute(Mode mode) {
+	return (mode == Mode::Execute || mode == Mode::ExecuteRead || mode == Mode::ExecuteWrite ||
+	        mode == Mode::ExecuteReadWrite);
+}
+
+void Init();
+
+uint64_t Alloc(uint64_t address, uint64_t size, Mode mode);
+uint64_t AllocAligned(uint64_t address, uint64_t size, Mode mode, uint64_t alignment);
+bool     AllocFixed(uint64_t address, uint64_t size, Mode mode);
+bool     Commit(uint64_t address, uint64_t size, Mode mode);
+uint64_t Reserve(uint64_t address, uint64_t size);
+uint64_t ReserveAligned(uint64_t address, uint64_t size, uint64_t alignment);
+bool     ReserveFixed(uint64_t address, uint64_t size);
+bool     Decommit(uint64_t address, uint64_t size);
+bool     Free(uint64_t address);
+bool     FreeRange(uint64_t address, uint64_t size);
+bool     Protect(uint64_t address, uint64_t size, Mode mode, Mode* old_mode = nullptr);
+bool     FlushInstructionCache(uint64_t address, uint64_t size);
+bool     PatchReplace(uint64_t vaddr, uint64_t value);
+
+} // namespace VirtualMemory
+
+} // namespace Common
+
+#endif /* KYTY_COMMON_VIRTUALMEMORY_H_ */