8316178: Better diagnostic header for CodeBlobs

Reviewed-by: thartmann, kvn

Author: shipilev

src/hotspot/share/code/codeBlob.cpp

@@ -204,7 +204,8 @@ void RuntimeBlob::trace_new_stub(RuntimeBlob* stub, const char* name1, const cha
     if (PrintStubCode) {
       ttyLocker ttyl;
       tty->print_cr("- - - [BEGIN] - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -");
-      tty->print_cr("Decoding %s " INTPTR_FORMAT, stub_id, (intptr_t) stub);
+      tty->print_cr("Decoding %s " PTR_FORMAT " [" PTR_FORMAT ", " PTR_FORMAT "] (%d bytes)",
+                    stub_id, p2i(stub), p2i(stub->code_begin()), p2i(stub->code_end()), stub->code_size());
       Disassembler::decode(stub->code_begin(), stub->code_end(), tty
                            NOT_PRODUCT(COMMA &stub->asm_remarks()));
       if ((stub->oop_maps() != nullptr) && AbstractDisassembler::show_structs()) {