BUGFIX: Use correct initialization range in stackalloc buffer.

Washi1337 · May 26, 2024 · 52ea03e · 52ea03e
1 parent 1248bf9
commit 52ea03e
Showing 1 changed file with 3 additions and 2 deletions.
diff --git a/src/Platforms/Echo.Platforms.AsmResolver/Emulation/Stack/CallFrame.cs b/src/Platforms/Echo.Platforms.AsmResolver/Emulation/Stack/CallFrame.cs
@@ -186,9 +186,10 @@ public long Allocate(int size)
                 throw new ArgumentOutOfRangeException(nameof(size));
 
             long address = AddressRange.End;
-            _localStorage = _localStorage.Resize(_localStorage.Count + size * 8, false);
+            int originalSize = _localStorage.Count;
+            _localStorage = _localStorage.Resize(originalSize + size * 8, false);
             if (!_initializeLocals)
-                _localStorage.AsSpan(0, (int) (address - _baseAddress)).MarkFullyUnknown();
+                _localStorage.AsSpan(originalSize, _localStorage.Count - originalSize).MarkFullyUnknown();
 
             return address;
         }