Changeset 214750 in webkit for trunk/Source/JavaScriptCore/assembler

Timestamp:

Apr 3, 2017, 12:58:53 AM (8 years ago)

Author:

[email protected]

Message:

[jsc] Add patchableJumpSize() for MIPS
​https://bugs.webkit.org/show_bug.cgi?id=169716

Patch by Zan Dobersek <​[email protected]> on 2017-04-03
Reviewed by Yusuke Suzuki.

• assembler/MIPSAssembler.h:

(JSC::MIPSAssembler::patchableJumpSize): Added.

• assembler/MacroAssemblerMIPS.h:

(JSC::MacroAssemblerMIPS::patchableJumpSize): Added.

Location:

trunk/Source/JavaScriptCore/assembler

Files:

• MIPSAssembler.h (modified) (1 diff)
• MacroAssemblerMIPS.h (modified) (1 diff)

trunk/Source/JavaScriptCore/assembler/MIPSAssembler.h

@@ -918 +918 @@
     }
 
+    static constexpr ptrdiff_t patchableJumpSize()
+    {
+        return sizeof(MIPSWord) * 8;
+    }
+
     static void revertJumpToMove(void* instructionStart, RegisterID rt, int imm)
     {

trunk/Source/JavaScriptCore/assembler/MacroAssemblerMIPS.h

@@ -3008 +3008 @@
     }
 
+    static ptrdiff_t patchableJumpSize()
+    {
+        return MIPSAssembler::patchableJumpSize();
+    }
+
     static bool canJumpReplacePatchableBranchPtrWithPatch() { return false; }
     static bool canJumpReplacePatchableBranch32WithPatch() { return false; }