Write null-terminator for the augmentationString.

PaulusParssinen · May 11, 2024 · 77a600d · 77a600d
1 parent bafd05f
commit 77a600d
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/src/coreclr/tools/aot/ILCompiler.Compiler/Compiler/ObjectWriter/Dwarf/DwarfEhFrame.cs b/src/coreclr/tools/aot/ILCompiler.Compiler/Compiler/ObjectWriter/Dwarf/DwarfEhFrame.cs
@@ -81,7 +81,7 @@ private void WriteCie(DwarfCie cie)
                 4u + // Length
                 4u + // CIE Offset (0)
                 1u + // Version
-                (uint)augmentationString.Length + 1u +
+                (uint)augmentationString.Length + 1u + // null-terminator
                 DwarfHelper.SizeOfULEB128(cie.CodeAlignFactor) +
                 DwarfHelper.SizeOfSLEB128(cie.DataAlignFactor) +
                 DwarfHelper.SizeOfULEB128(cie.ReturnAddressRegister) +
@@ -94,6 +94,7 @@ private void WriteCie(DwarfCie cie)
 
             _sectionWriter.WriteByte(cie.ReturnAddressRegister < 0x7F ? (byte)1u : (byte)3u); // Version
             _sectionWriter.Write(augmentationString.AsSpan());
+            _sectionWriter.WriteByte(0); // null-terminator
 
             _sectionWriter.WriteULEB128(cie.CodeAlignFactor);
             _sectionWriter.WriteSLEB128(cie.DataAlignFactor);