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<dt>Revision</dt> <dd><a href="http://trac.webkit.org/projects/webkit/changeset/159748">159748</a></dd>
<dt>Author</dt> <dd>commit-queue@webkit.org</dd>
<dt>Date</dt> <dd>2013-11-25 07:28:45 -0800 (Mon, 25 Nov 2013)</dd>
</dl>
<h3>Log Message</h3>
<pre>[arm][mips] Fix crash in dfg-arrayify-elimination layout jsc test.
https://bugs.webkit.org/show_bug.cgi?id=124839
Patch by Julien Brianceau <jbriance@cisco.com> on 2013-11-25
Reviewed by Michael Saboff.
In ARM EABI and MIPS, 64-bit values have to be aligned on stack too.
* jit/CCallHelpers.h:
(JSC::CCallHelpers::setupArgumentsWithExecState):
* jit/JITInlines.h:
(JSC::JIT::callOperation): Add missing EABI_32BIT_DUMMY_ARG.</pre>
<h3>Modified Paths</h3>
<ul>
<li><a href="#trunkSourceJavaScriptCoreChangeLog">trunk/Source/JavaScriptCore/ChangeLog</a></li>
<li><a href="#trunkSourceJavaScriptCorejitCCallHelpersh">trunk/Source/JavaScriptCore/jit/CCallHelpers.h</a></li>
<li><a href="#trunkSourceJavaScriptCorejitJITInlinesh">trunk/Source/JavaScriptCore/jit/JITInlines.h</a></li>
</ul>
</div>
<div id="patch">
<h3>Diff</h3>
<a id="trunkSourceJavaScriptCoreChangeLog"></a>
<div class="modfile"><h4>Modified: trunk/Source/JavaScriptCore/ChangeLog (159747 => 159748)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/JavaScriptCore/ChangeLog 2013-11-25 14:57:38 UTC (rev 159747)
+++ trunk/Source/JavaScriptCore/ChangeLog 2013-11-25 15:28:45 UTC (rev 159748)
</span><span class="lines">@@ -1,3 +1,17 @@
</span><ins>+2013-11-25 Julien Brianceau <jbriance@cisco.com>
+
+ [arm][mips] Fix crash in dfg-arrayify-elimination layout jsc test.
+ https://bugs.webkit.org/show_bug.cgi?id=124839
+
+ Reviewed by Michael Saboff.
+
+ In ARM EABI and MIPS, 64-bit values have to be aligned on stack too.
+
+ * jit/CCallHelpers.h:
+ (JSC::CCallHelpers::setupArgumentsWithExecState):
+ * jit/JITInlines.h:
+ (JSC::JIT::callOperation): Add missing EABI_32BIT_DUMMY_ARG.
+
</ins><span class="cx"> 2013-11-23 Filip Pizlo <fpizlo@apple.com>
</span><span class="cx">
</span><span class="cx"> Fix more fallout from failed attempts at div/mod DFG strength reductions
</span></span></pre></div>
<a id="trunkSourceJavaScriptCorejitCCallHelpersh"></a>
<div class="modfile"><h4>Modified: trunk/Source/JavaScriptCore/jit/CCallHelpers.h (159747 => 159748)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/JavaScriptCore/jit/CCallHelpers.h 2013-11-25 14:57:38 UTC (rev 159747)
+++ trunk/Source/JavaScriptCore/jit/CCallHelpers.h 2013-11-25 15:28:45 UTC (rev 159748)
</span><span class="lines">@@ -1487,6 +1487,15 @@
</span><span class="cx"> setupArgumentsWithExecState(arg1, arg2, arg3);
</span><span class="cx"> }
</span><span class="cx">
</span><ins>+ ALWAYS_INLINE void setupArgumentsWithExecState(TrustedImm32 arg1, GPRReg arg2, GPRReg arg3, TrustedImm32 arg4, TrustedImm32 arg5, GPRReg arg6, GPRReg arg7)
+ {
+ poke(arg7, POKE_ARGUMENT_OFFSET + 3);
+ poke(arg6, POKE_ARGUMENT_OFFSET + 2);
+ poke(arg5, POKE_ARGUMENT_OFFSET + 1);
+ poke(arg4, POKE_ARGUMENT_OFFSET);
+ setupArgumentsWithExecState(arg1, arg2, arg3);
+ }
+
</ins><span class="cx"> ALWAYS_INLINE void setupArguments(GPRReg arg1, GPRReg arg2, TrustedImmPtr arg3, TrustedImm32 arg4, GPRReg arg5)
</span><span class="cx"> {
</span><span class="cx"> poke(arg5, POKE_ARGUMENT_OFFSET);
</span></span></pre></div>
<a id="trunkSourceJavaScriptCorejitJITInlinesh"></a>
<div class="modfile"><h4>Modified: trunk/Source/JavaScriptCore/jit/JITInlines.h (159747 => 159748)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/JavaScriptCore/jit/JITInlines.h 2013-11-25 14:57:38 UTC (rev 159747)
+++ trunk/Source/JavaScriptCore/jit/JITInlines.h 2013-11-25 15:28:45 UTC (rev 159748)
</span><span class="lines">@@ -523,7 +523,7 @@
</span><span class="cx">
</span><span class="cx"> ALWAYS_INLINE MacroAssembler::Call JIT::callOperation(V_JITOperation_EJZJ operation, RegisterID regOp1Tag, RegisterID regOp1Payload, int32_t op2, RegisterID regOp3Tag, RegisterID regOp3Payload)
</span><span class="cx"> {
</span><del>- setupArgumentsWithExecState(EABI_32BIT_DUMMY_ARG regOp1Payload, regOp1Tag, TrustedImm32(op2), regOp3Payload, regOp3Tag);
</del><ins>+ setupArgumentsWithExecState(EABI_32BIT_DUMMY_ARG regOp1Payload, regOp1Tag, TrustedImm32(op2), EABI_32BIT_DUMMY_ARG regOp3Payload, regOp3Tag);
</ins><span class="cx"> return appendCallWithExceptionCheck(operation);
</span><span class="cx"> }
</span><span class="cx">
</span></span></pre>
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