Initial commit

src/common/jit_code_buffer.h

@@ -0,0 +1,25 @@
+#pragma once
+#include "types.h"
+
+class JitCodeBuffer
+{
+public:
+  JitCodeBuffer(size_t size = 64 * 1024 * 1024);
+  ~JitCodeBuffer();
+
+  void* GetFreeCodePointer() const { return m_free_code_ptr; }
+  size_t GetFreeCodeSpace() const { return (m_code_size - m_code_used); }
+  void CommitCode(size_t length);
+  void Reset();
+
+  /// Adjusts the free code pointer to the specified alignment, padding with bytes.
+  /// Assumes alignment is a power-of-two.
+  void Align(u32 alignment, u8 padding_value);
+
+private:
+  void* m_code_ptr;
+  void* m_free_code_ptr;
+  size_t m_code_size;
+  size_t m_code_used;
+};
+