[RISC-V] UMEntryThunkCode::Poison() (#91221)

dotnet · Aug 30, 2023 · 526e6d3 · 526e6d3
1 parent 533a461
commit 526e6d3
Showing 1 changed file with 9 additions and 1 deletion.
diff --git a/src/coreclr/vm/riscv64/stubs.cpp b/src/coreclr/vm/riscv64/stubs.cpp
@@ -948,7 +948,15 @@ void UMEntryThunkCode::Encode(UMEntryThunkCode *pEntryThunkCodeRX, BYTE* pTarget
 
 void UMEntryThunkCode::Poison()
 {
-    _ASSERTE(!"RISCV64: not implementation on riscv64!!!");
+    ExecutableWriterHolder<UMEntryThunkCode> thunkWriterHolder(this, sizeof(UMEntryThunkCode));
+    UMEntryThunkCode *pThisRW = thunkWriterHolder.GetRW();
+
+    pThisRW->m_pTargetCode = (TADDR)UMEntryThunk::ReportViolation;
+
+    // ld   a0, 24(t6)
+    pThisRW->m_code[1] = 0x018fb503;
+
+    ClrFlushInstructionCache(&m_code,sizeof(m_code));
 }
 
 #endif // DACCESS_COMPILE