Method DoTLSSetup

IDEHelper/Backend/BeMCContext.cpp:7240–7291

}

void BeMCContext::DoTLSSetup()
{
	// Perform at the end of the 'entry' block

	if (mTLSVRegIdx == -1)
		return;

	auto mcBlock = mBlocks[0];
	mActiveBlock = mcBlock;

	for (int instIdx = 0; instIdx < (int)mcBlock->mInstructions.size(); instIdx++)
	{
		auto inst = mcBlock->mInstructions[instIdx];

		// Skip past param setup
		if (inst->mKind == BeMCInstKind_Def)
			continue;
		if ((inst->mKind == BeMCInstKind_Mov) && (inst->mArg1.IsNativeReg()))
			continue;

		auto int32Type = mModule->mContext->GetPrimitiveType(BeTypeCode_Int32);
		auto intType = mModule->mContext->GetPrimitiveType(BeTypeCode_Int64);
		auto intPtrType = mModule->mContext->GetPointerTo(intType);

		auto mcTlsIndex = AllocVirtualReg(intType);
		CreateDefineVReg(mcTlsIndex, instIdx++);

		auto sym = mCOFFObject->GetSymbolRef("_tls_index");
		if (sym->mType == NULL)
			sym->mType = int32Type;
		AllocInst(BeMCInstKind_Mov, mcTlsIndex, BeMCOperand::FromSymbol(sym->mIdx), instIdx++);

		AllocInst(BeMCInstKind_Def, BeMCOperand::FromVReg(mTLSVRegIdx), instIdx++);
		AllocInst(BeMCInstKind_TLSSetup, BeMCOperand::FromVReg(mTLSVRegIdx), BeMCOperand::FromImmediate(0), instIdx++);

		auto mcTlsVal = AllocVirtualReg(intPtrType);
		CreateDefineVReg(mcTlsVal, instIdx++);
		auto tlsValInfo = GetVRegInfo(mcTlsVal);
		tlsValInfo->mIsExpr = true;
		tlsValInfo->mRelTo = BeMCOperand::FromVReg(mTLSVRegIdx);
		tlsValInfo->mRelOffset = mcTlsIndex;
		tlsValInfo->mRelOffsetScale = 8;

		auto mcLoadVal = mcTlsVal;
		mcLoadVal.mKind = BeMCOperandKind_VRegLoad;
		AllocInst(BeMCInstKind_Mov, BeMCOperand::FromVReg(mTLSVRegIdx), mcLoadVal, instIdx++);

		break;
	}

	mActiveBlock = NULL;
}

void BeMCContext::DoChainedBlockMerge()
{