Changeset 101658 in webkit for trunk/Source/JavaScriptCore/assembler/MIPSAssembler.h

Timestamp:

Dec 1, 2011, 4:42:08 AM (14 years ago)

Author:

[email protected]

Message:

MacroAssemblerMIPS does not implement readCallTarget
​https://bugs.webkit.org/show_bug.cgi?id=73432

Patch by Chao-ying Fu <​[email protected]> on 2011-12-01
Reviewed by Zoltan Herczeg.

• assembler/MIPSAssembler.h:

(JSC::MIPSAssembler::readCallTarget):

• assembler/MacroAssemblerMIPS.h:

(JSC::MacroAssemblerMIPS::readCallTarget):

File:

• trunk/Source/JavaScriptCore/assembler/MIPSAssembler.h (modified) (1 diff)

trunk/Source/JavaScriptCore/assembler/MIPSAssembler.h

@@ -773 +773 @@
     }
 
+    static void* readCallTarget(void* from)
+    {
+        MIPSWord* insn = reinterpret_cast<MIPSWord*>(from);
+        insn -= 4;
+        ASSERT((*insn & 0xffe00000) == 0x3c000000); // lui
+        int32_t result = (*insn & 0x0000ffff) << 16;
+        insn++;
+        ASSERT((*insn & 0xfc000000) == 0x34000000); // ori
+        result |= *insn & 0x0000ffff;
+        return reinterpret_cast<void*>(result);
+    }
+
 private:
     /* Update each jump in the buffer of newBase.  */