From f54020eb8155371725ab75b0fc5c419287eca084 Mon Sep 17 00:00:00 2001 From: Giacomo Travaglini Date: Mon, 4 Jun 2018 09:40:19 +0100 Subject: misc: Using smart pointers for memory Requests This patch is changing the underlying type for RequestPtr from Request* to shared_ptr. Having memory requests being managed by smart pointers will simplify the code; it will also prevent memory leakage and dangling pointers. Change-Id: I7749af38a11ac8eb4d53d8df1252951e0890fde3 Signed-off-by: Giacomo Travaglini Reviewed-by: Andreas Sandberg Reviewed-on: https://gem5-review.googlesource.com/10996 Reviewed-by: Nikos Nikoleris Maintainer: Nikos Nikoleris --- ext/sst/ExtMaster.cc | 3 +-- ext/sst/ExtSlave.cc | 5 +++-- 2 files changed, 4 insertions(+), 4 deletions(-) (limited to 'ext') diff --git a/ext/sst/ExtMaster.cc b/ext/sst/ExtMaster.cc index 24682485f..3afd6b444 100644 --- a/ext/sst/ExtMaster.cc +++ b/ext/sst/ExtMaster.cc @@ -171,7 +171,7 @@ ExtMaster::handleEvent(SST::Event* event) cmdO = MemCmd::StoreCondReq; } - auto req = new Request(ev->getAddr(), ev->getSize(), flags, 0); + auto req = std::make_shared(ev->getAddr(), ev->getSize(), flags, 0); req->setContext(ev->getGroupId()); auto pkt = new Packet(req, cmdO); @@ -205,7 +205,6 @@ ExtMaster::recvTimingResp(PacketPtr pkt) { // copy the payload and then destroy gem5 packet resp->setPayload(pkt->getSize(), pkt->getPtr()); - delete pkt->req; delete pkt; nic->send(resp); diff --git a/ext/sst/ExtSlave.cc b/ext/sst/ExtSlave.cc index 6251ba8d9..0e2f8b438 100644 --- a/ext/sst/ExtSlave.cc +++ b/ext/sst/ExtSlave.cc @@ -128,7 +128,6 @@ ExtSlave::recvTimingReq(PacketPtr pkt) if (simPhase == INIT) { link->sendInitData(ev); - delete pkt->req; delete pkt; } else { if (pkt->needsResponse()) { @@ -176,7 +175,9 @@ ExtSlave::handleEvent(Event* ev) // make Req/Pkt for Snoop/no response needed // presently no consideration for masterId, packet type, flags... - RequestPtr req = new Request(event->getAddr(), event->getSize(), 0, 0); + RequestPtr req = std::make_shared( + event->getAddr(), event->getSize(), 0, 0); + auto pkt = new Packet(req, ::MemCmd::InvalidateReq); // Clear out bus delay notifications -- cgit v1.2.3