FEXLoader: Align stack base

This ensures that __libc_stack_end is aligned, the same way it is on native.
FEX-Emu · Nov 12, 2024 · 4a67893 · 4a67893
1 parent e675f42
commit 4a67893
Showing 1 changed file with 3 additions and 0 deletions.
diff --git a/Source/Tools/FEXLoader/ELFCodeLoader.h b/Source/Tools/FEXLoader/ELFCodeLoader.h
@@ -725,6 +725,9 @@ class ELFCodeLoader final : public FEX::CodeLoader {
     uint64_t ExecFNLocation = TotalArgumentMemSize;
     TotalArgumentMemSize += Args[0].size() + 1;
 
+    // Align the argument block to 16 bytes to keep the stack aligned
+    TotalArgumentMemSize = FEXCore::AlignUp(TotalArgumentMemSize, 16);
+
     // Offset the stack by how much memory we need
     StackPointer -= TotalArgumentMemSize;