remove extern "C" from the functions we all from gdb. This isn't requried and trips up GDB sometimes when i thinks the extern

name should be mangled, but it isn't

--HG--
extra : convert_revision : 62e2a1989e8fd3d73958d3a3e2d00e378488e642

src/base/fast_alloc.cc

@@ -180,13 +180,11 @@ FastAlloc::dump_oldest(int n)
 // C interfaces to FastAlloc::dump_summary() and FastAlloc::dump_oldest().
 // gdb seems to have trouble with calling C++ functions directly.
 //
-extern "C" void
 fast_alloc_summary()
 {
     FastAlloc::dump_summary();
 }
 
-extern "C" void
 fast_alloc_oldest(int n)
 {
     FastAlloc::dump_oldest(n);

src/base/trace.cc

@@ -247,7 +247,6 @@ DebugOut()
 //
 // Dump trace buffer to specified file (cout if NULL)
 //
-extern "C"
 void
 dumpTrace(const char *filename)
 {
@@ -269,7 +268,6 @@ dumpTrace(const char *filename)
 // same facility as the "trace to file" feature, and will print error
 // messages rather than clobbering an existing ostream pointer.
 //
-extern "C"
 void
 echoTrace(bool on)
 {
@@ -289,7 +287,6 @@ echoTrace(bool on)
     }
 }
 
-extern "C"
 void
 printTraceFlags()
 {
@@ -338,14 +335,12 @@ tweakTraceFlag(const char *string, bool value)
     cprintf("could not find flag %s\n", string);
 }
 
-extern "C"
 void
 setTraceFlag(const char *string)
 {
     tweakTraceFlag(string, true);
 }
 
-extern "C"
 void
 clearTraceFlag(const char *string)
 {

src/sim/debug.cc

@@ -127,12 +127,12 @@ DebugContext::checkParams()
 // handy function to schedule DebugBreakEvent on main event queue
 // (callable from debugger)
 //
-extern "C" void sched_break_cycle(Tick when)
+void sched_break_cycle(Tick when)
 {
     new DebugBreakEvent(&mainEventQueue, when);
 }
 
-extern "C" void eventq_dump()
+void eventq_dump()
 {
     mainEventQueue.dump();
 }

src/sim/sim_object.cc

@@ -236,7 +236,6 @@ SimObject::debugObjectBreak(const string &objs)
    }
 }
 
-extern "C"
 void
 debugObjectBreak(const char *objs)
 {

src/sim/stat_control.cc

@@ -221,8 +221,7 @@ SetupEvent(int flags, Tick when, Tick repeat)
 
 /* namespace Stats */ }
 
-extern "C" void
-debugDumpStats()
+void debugDumpStats()
 {
     Stats::DumpNow();
 }

src/sim/system.cc

@@ -243,7 +243,6 @@ System::printSystems()
     }
 }
 
-extern "C"
 void
 printSystems()
 {