arch: Use shared_ptr for all Faults

This patch takes quite a large step in transitioning from the ad-hoc
RefCountingPtr to the c++11 shared_ptr by adopting its use for all
Faults. There are no changes in behaviour, and the code modifications
are mostly just replacing "new" with "make_shared".

4 files changed, 3 insertions, 4 deletions

diff --git a/src/arch/power/isa/formats/unimp.isa b/src/arch/power/isa/formats/unimp.isa
index b3e7e6073..daee8f559 100644
--- a/src/arch/power/isa/formats/unimp.isa
+++ b/src/arch/power/isa/formats/unimp.isa
@@ -117,7 +117,7 @@ output exec {{
         panic("attempt to execute unimplemented instruction '%s' "
               "(inst 0x%08x, opcode 0x%x, binary:%s)", mnemonic, machInst, OPCODE,
               inst2string(machInst));
-        return new UnimplementedOpcodeFault;
+        return std::make_shared<UnimplementedOpcodeFault>();
     }
 
     Fault
diff --git a/src/arch/power/isa/formats/unknown.isa b/src/arch/power/isa/formats/unknown.isa
index e355397c9..d9985e7c6 100644
--- a/src/arch/power/isa/formats/unknown.isa
+++ b/src/arch/power/isa/formats/unknown.isa
@@ -77,7 +77,7 @@ output exec {{
         panic("attempt to execute unknown instruction at %#x"
               "(inst 0x%08x, opcode 0x%x, binary: %s)",
               xc->pcState().pc(), machInst, OPCODE, inst2string(machInst));
-        return new UnimplementedOpcodeFault;
+        return std::make_shared<UnimplementedOpcodeFault>();
     }
 }};
 
diff --git a/src/arch/power/tlb.cc b/src/arch/power/tlb.cc
index 1396d726c..950483893 100644
--- a/src/arch/power/tlb.cc
+++ b/src/arch/power/tlb.cc
@@ -282,7 +282,7 @@ TLB::translateInst(RequestPtr req, ThreadContext *tc)
     if (req->getVaddr() & 0x3) {
         DPRINTF(TLB, "Alignment Fault on %#x, size = %d\n", req->getVaddr(),
                 req->getSize());
-        return new AlignmentFault();
+        return std::make_shared<AlignmentFault>();
     }
 
      Process * p = tc->getProcessPtr();
diff --git a/src/arch/power/tlb.hh b/src/arch/power/tlb.hh
index b18956b07..9ea1fca8b 100644
--- a/src/arch/power/tlb.hh
+++ b/src/arch/power/tlb.hh
@@ -46,7 +46,6 @@
 #include "base/statistics.hh"
 #include "mem/request.hh"
 #include "params/PowerTLB.hh"
-#include "sim/fault_fwd.hh"
 #include "sim/tlb.hh"
 
 class ThreadContext;