systemc: Add an sc_gen_unique_name namespace to processes as well.

The standard says that there are namespaces for each module, and
one global namespace. Accellera also has namespaces for each process,
which shows up in the test output.

Change-Id: I4c8c5cecd5fb685d7bab521d9ae131aef23a6ab4
Reviewed-on: https://gem5-review.googlesource.com/c/13291
Reviewed-by: Gabe Black <gabeblack@google.com>
Maintainer: Gabe Black <gabeblack@google.com>
diff --git a/src/systemc/core/process.hh b/src/systemc/core/process.hh
index 85a7a27..9bddbdd 100644
--- a/src/systemc/core/process.hh
+++ b/src/systemc/core/process.hh
@@ -36,6 +36,7 @@
 
 #include "base/fiber.hh"
 #include "systemc/core/list.hh"
+#include "systemc/core/module.hh"
 #include "systemc/core/object.hh"
 #include "systemc/core/sched_event.hh"
 #include "systemc/core/sensitivity.hh"
@@ -131,6 +132,8 @@
 
     void waitCount(int count) { _waitCount = count; }
 
+    const char *uniqueName(const char *seed) { return nameGen.gen(seed); }
+
   protected:
     void timeout();
 
@@ -191,6 +194,8 @@
     std::unique_ptr<::sc_core::sc_report> _lastReport;
 
     std::vector<::sc_core::sc_join *> joinWaiters;
+
+    UniqueNameGen nameGen;
 };
 
 } // namespace sc_gem5
diff --git a/src/systemc/core/sc_module.cc b/src/systemc/core/sc_module.cc
index 1c3b54b..fe4b5cd 100644
--- a/src/systemc/core/sc_module.cc
+++ b/src/systemc/core/sc_module.cc
@@ -799,8 +799,12 @@
 sc_gen_unique_name(const char *seed)
 {
     auto mod = sc_gem5::pickParentModule();
-    return mod ? mod->uniqueName(seed) :
-        ::sc_gem5::nameGen.gen(seed);
+    if (mod)
+        return mod->uniqueName(seed);
+    sc_gem5::Process *p = sc_gem5::scheduler.current();
+    if (p)
+        return p->uniqueName(seed);
+    return ::sc_gem5::nameGen.gen(seed);
 }
 
 bool