Changeset 165180 in webkit for trunk/Source/JavaScriptCore/disassembler

Timestamp:

Mar 6, 2014, 1:17:18 AM (11 years ago)

Author:

[email protected]

Message:

Use the LLVM disassembler on ARM64 if we are enabling the FTL
​https://bugs.webkit.org/show_bug.cgi?id=129785

Source/JavaScriptCore:

Reviewed by Geoffrey Garen.

Our disassembler can't handle some of the code sequences that LLVM emits. LLVM's disassembler
is strictly more capable at this point. Use it if it's available.

• disassembler/ARM64Disassembler.cpp:

(JSC::tryToDisassemble):

Source/WTF:

Reviewed by Geoffrey Garen.

• wtf/Platform.h:

File:

• trunk/Source/JavaScriptCore/disassembler/ARM64Disassembler.cpp (modified) (2 diffs)

trunk/Source/JavaScriptCore/disassembler/ARM64Disassembler.cpp

@@ -1 +1 @@
 /*
- * Copyright (C) 2012 Apple Inc. All rights reserved.
+ * Copyright (C) 2012, 2014 Apple Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -56 +56 @@
 #endif // USE(ARM64_DISASSEMBLER)
 
+#if USE(LLVM_DISASSEMBLER)
+
+#include "LLVMDisassembler.h"
+
+namespace JSC {
+
+bool tryToDisassemble(const MacroAssemblerCodePtr& codePtr, size_t size, const char* prefix, PrintStream& out, InstructionSubsetHint hint)
+{
+    return tryToDisassembleWithLLVM(codePtr, size, prefix, out, hint);
+}
+
+} // namespace JSC
+
+#endif // USE(LLVM_DISASSEMBLER)