Changeset 249864 in webkit for trunk/Source/JavaScriptCore/assembler/MacroAssemblerARM64.h

Timestamp:

Sep 13, 2019, 6:12:15 PM (6 years ago)

Author:

[email protected]

Message:

Unreviewed, follow-up fix after r249842
​https://bugs.webkit.org/show_bug.cgi?id=201750

Michael reviewed this offline. When performing nearCall, we need to invalidate cache registers.

• assembler/MacroAssemblerARM64.h:

(JSC::MacroAssemblerARM64::nearCall):
(JSC::MacroAssemblerARM64::threadSafePatchableNearCall):

File:

• trunk/Source/JavaScriptCore/assembler/MacroAssemblerARM64.h (modified) (2 diffs)

trunk/Source/JavaScriptCore/assembler/MacroAssemblerARM64.h

@@ -3248 +3248 @@
     ALWAYS_INLINE Call nearCall()
     {
+        invalidateAllTempRegisters();
         m_assembler.bl();
         return Call(m_assembler.label(), Call::LinkableNear);
@@ -3261 +3262 @@
     ALWAYS_INLINE Call threadSafePatchableNearCall()
     {
+        invalidateAllTempRegisters();
         m_assembler.bl();
         return Call(m_assembler.label(), Call::LinkableNear);