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Bug 763989 - Use the jumpRelocations_ buffer instead; quick orange fix. no_r

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This commit is contained in:
Sean Stangl 2012-06-13 13:09:22 -07:00
parent edf3a9573f
commit b92b0eb866
1 changed files with 9 additions and 2 deletions
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11
js/src/ion/CodeGenerator.cpp
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@ -615,6 +615,8 @@ CodeGenerator::visitCallGeneric(LCallGeneric *call)
masm.movePtr(Address(objreg, IonCode::OffsetOfCode()), objreg);
}
Label afterCall;
// Argument fixup needed. Get ready to call the argumentsRectifier.
if (!call->hasSingleTarget()) {
// Skip this thunk unless an explicit jump target.
@ -629,18 +631,23 @@ CodeGenerator::visitCallGeneric(LCallGeneric *call)
JS_ASSERT(ArgumentsRectifierReg != objreg);
masm.move32(Imm32(call->nargs()), ArgumentsRectifierReg);
masm.movePtr(ImmGCPtr(argumentsRectifier), objreg);
masm.call(argumentsRectifier);
if (!markSafepoint(call))
return false;
masm.jump(&afterCall);
}
masm.bind(&rejoin);
masm.checkStackAlignment();
// Finally call the function in objreg, as assigned by one of the paths above.
// Finally call the function in objreg.
masm.callIon(objreg);
if (!markSafepoint(call))
return false;
masm.bind(&afterCall);
// Increment to remove IonFramePrefix; decrement to fill FrameSizeClass.
// The return address has already been removed from the Ion frame.
int prefixGarbage = sizeof(IonJSFrameLayout) - sizeof(void *);