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Bug 1169214: IonMonkey - Part 3: Add the x64 shared stub helpers, r=jandem

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This commit is contained in:
Hannes Verschore 2015-08-21 07:56:44 +02:00
parent c56b115ccc
commit ecb6082cae
1 changed files with 25 additions and 5 deletions
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30
js/src/jit/x64/SharedICHelpers-x64.h
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@ -92,7 +92,15 @@ EmitBaselineTailCallVM(JitCode* target, MacroAssembler& masm, uint32_t argSize)
inline void
EmitIonTailCallVM(JitCode* target, MacroAssembler& masm, uint32_t stackSize)
{
MOZ_CRASH("Not implemented yet.");
masm.movq(Operand(esp, stackSize), ScratchReg);
masm.shrq(Imm32(FRAMESIZE_SHIFT), ScratchReg);
masm.addq(Imm32(stackSize + JitStubFrameLayout::Size() - sizeof(intptr_t)), ScratchReg);
// Push frame descriptor and perform the tail call.
masm.makeFrameDescriptor(ScratchReg, JitFrame_IonJS);
masm.push(ScratchReg);
masm.push(ICTailCallReg);
masm.jmp(target);
}
inline void
@ -118,7 +126,16 @@ EmitBaselineCallVM(JitCode* target, MacroAssembler& masm)
inline void
EmitIonCallVM(JitCode* target, size_t stackSlots, MacroAssembler& masm)
{
MOZ_CRASH("Not implemented yet.");
uint32_t descriptor = MakeFrameDescriptor(masm.framePushed(), JitFrame_IonStub);
masm.Push(Imm32(descriptor));
masm.call(target);
// Remove rest of the frame left on the stack. We remove the return address
// which is implicitly poped when returning.
size_t framePop = sizeof(ExitFrameLayout) - sizeof(void*);
// Pop arguments from framePushed.
masm.implicitPop(stackSlots * sizeof(void*) + framePop);
}
// Size of vales pushed by EmitEnterStubFrame.
@ -152,9 +169,11 @@ EmitBaselineEnterStubFrame(MacroAssembler& masm, Register)
}
inline void
EmitIonEnterStubFrame(MacroAssembler& masm, Register scratch)
EmitIonEnterStubFrame(MacroAssembler& masm, Register)
{
MOZ_CRASH("Not implemented yet.");
masm.pop(ICTailCallReg);
masm.push(ICTailCallReg);
masm.push(ICStubReg);
}
inline void
@ -186,7 +205,8 @@ EmitBaselineLeaveStubFrame(MacroAssembler& masm, bool calledIntoIon = false)
inline void
EmitIonLeaveStubFrame(MacroAssembler& masm)
{
MOZ_CRASH("Not implemented yet.");
masm.pop(ICStubReg);
masm.pop(ICTailCallReg);
}
inline void