systemc: Add some nonstandard, undocumented sc_report_* functions.

The tests use these functions.

Change-Id: I3cdc10d433d9388742a20fb3a97a1a3efa699e11
Reviewed-on: https://gem5-review.googlesource.com/11271
Reviewed-by: Gabe Black <gabeblack@google.com>
Maintainer: Gabe Black <gabeblack@google.com>

src/systemc/ext/utils/_using.hh

@@ -61,6 +61,8 @@ using sc_core::sc_report_handler_proc;
 using sc_core::sc_report_handler;
 using sc_core::sc_interrupt_here;
 using sc_core::sc_stop_here;
+using sc_core::sc_report_compose_message;
+using sc_core::sc_report_close_default_log;
 using sc_core::SC_DEFAULT_INFO_ACTIONS;
 using sc_core::SC_DEFAULT_WARNING_ACTIONS;
 using sc_core::SC_DEFAULT_ERROR_ACTIONS;

src/systemc/ext/utils/sc_report_handler.hh

@@ -30,6 +30,8 @@
 #ifndef __SYSTEMC_EXT_UTIL_SC_REPORT_HANDLER_HH__
 #define __SYSTEMC_EXT_UTIL_SC_REPORT_HANDLER_HH__
 
+#include <string>
+
 #include "sc_report.hh" // for sc_severity
 
 namespace sc_core
@@ -135,6 +137,11 @@ class sc_report_handler
 void sc_interrupt_here(const char *msg_type, sc_severity);
 void sc_stop_here(const char *msg_type, sc_severity);
 
+// Nonstandard
+// From Accellera, "not documented, but available".
+const std::string sc_report_compose_message(const sc_report &);
+bool sc_report_close_default_log();
+
 } // namespace sc_core
 
 #endif  //__SYSTEMC_EXT_UTIL_SC_REPORT_HANDLER_HH__

src/systemc/utils/sc_report_handler.cc

@@ -234,4 +234,18 @@ sc_stop_here(const char *msg_type, sc_severity)
     warn("%s not implemented.\n", __PRETTY_FUNCTION__);
 }
 
+const std::string
+sc_report_compose_message(const sc_report &)
+{
+    warn("%s not implemented.\n", __PRETTY_FUNCTION__);
+    return "";
+}
+
+bool
+sc_report_close_default_log()
+{
+    warn("%s not implemented.\n", __PRETTY_FUNCTION__);
+    return false;
+}
+
 } // namespace sc_core