misc: Using smart pointers for memory Requests

This patch is changing the underlying type for RequestPtr from Request*
to shared_ptr<Request>. 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 <giacomo.travaglini@arm.com>
Reviewed-by: Andreas Sandberg <andreas.sandberg@arm.com>
Reviewed-on: https://gem5-review.googlesource.com/10996
Reviewed-by: Nikos Nikoleris <nikos.nikoleris@arm.com>
Maintainer: Nikos Nikoleris <nikos.nikoleris@arm.com>

1 files changed, 5 insertions, 3 deletions

diff --git a/src/arch/x86/intmessage.hh b/src/arch/x86/intmessage.hh
index 6bf180432..83d80bb94 100644
--- a/src/arch/x86/intmessage.hh
+++ b/src/arch/x86/intmessage.hh
@@ -79,9 +79,11 @@ namespace X86ISA
     static inline PacketPtr
     prepIntRequest(const uint8_t id, Addr offset, Addr size)
     {
-        RequestPtr req = new Request(x86InterruptAddress(id, offset),
-                                     size, Request::UNCACHEABLE,
-                                     Request::intMasterId);
+        RequestPtr req = std::make_shared<Request>(
+            x86InterruptAddress(id, offset),
+            size, Request::UNCACHEABLE,
+            Request::intMasterId);
+
         PacketPtr pkt = new Packet(req, MemCmd::MessageReq);
         pkt->allocate();
         return pkt;