7002129: Zero and Shark fixes, 3rd

Summary: 6970683 and 6953144 introduced changes that need to be implemented for Zero and Shark.
Reviewed-by: twisti
Contributed-by: NGary Benson <gbenson@redhat.com>

src/os_cpu/linux_zero/vm/os_linux_zero.cpp

@@ -370,6 +370,10 @@ void os::print_context(outputStream* st, void* context) {
   ShouldNotCallThis();
 }
 
+void os::print_register_info(outputStream *st, void *context) {
+  ShouldNotCallThis();
+}
+
 /////////////////////////////////////////////////////////////////////////////
 // Stubs for things that would be in linux_zero.s if it existed.
 // You probably want to disassemble these monkeys to check they're ok.

src/share/vm/compiler/compileBroker.cpp

@@ -522,6 +522,7 @@ CompilerCounters::CompilerCounters(const char* thread_name, int instance, TRAPS)
 void CompileBroker::compilation_init() {
   _last_method_compiled[0] = '\0';
 
+#ifndef SHARK
   // Set the interface to the current compiler(s).
   int c1_count = CompilationPolicy::policy()->compiler_count(CompLevel_simple);
   int c2_count = CompilationPolicy::policy()->compiler_count(CompLevel_full_optimization);
@@ -537,13 +538,12 @@ void CompileBroker::compilation_init() {
   }
 #endif // COMPILER2
 
-#ifdef SHARK
-#if defined(COMPILER1) || defined(COMPILER2)
-#error "Can't use COMPILER1 or COMPILER2 with shark"
-#endif
-  _compilers[0] = new SharkCompiler();
-  _compilers[1] = _compilers[0];
-#endif
+#else // SHARK
+  int c1_count = 0;
+  int c2_count = 1;
+
+  _compilers[1] = new SharkCompiler();
+#endif // SHARK
 
   // Initialize the CompileTask free list
   _task_free_list = NULL;