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".

2 files changed, 2 insertions, 2 deletions

diff --git a/src/arch/x86/isa/formats/string.isa b/src/arch/x86/isa/formats/string.isa
index 20de5952e..84048c8ec 100644
--- a/src/arch/x86/isa/formats/string.isa
+++ b/src/arch/x86/isa/formats/string.isa
@@ -86,7 +86,7 @@ def format StringInst(*opTypeSet) {{
         } else if (LEGACY_REPNE) {
             // The repne prefix is illegal
             return new MicroFault(machInst, "illprefix", 0,
-                                  new InvalidOpcode, 0);
+                                  std::make_shared<InvalidOpcode>(), 0);
         } else {
             %s
         }
diff --git a/src/arch/x86/isa/formats/unknown.isa b/src/arch/x86/isa/formats/unknown.isa
index 5911d5c00..585ff1ed5 100644
--- a/src/arch/x86/isa/formats/unknown.isa
+++ b/src/arch/x86/isa/formats/unknown.isa
@@ -77,7 +77,7 @@ output exec {{
         Fault Unknown::execute(CPU_EXEC_CONTEXT *xc,
                 Trace::InstRecord *traceData) const
         {
-            return new InvalidOpcode();
+            return std::make_shared<InvalidOpcode>();
         }
 }};