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8210012: Implement Unified Logging Option for -XX:+TraceMethodHandles and -XX:+TraceInvokeDynamic

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Transition the tracing method handles command line options to unified logging, -Xlog:methodhandles.

Reviewed-by: dholmes, iklam, jrose
This commit is contained in:
Lois Foltan 2020-04-15 21:01:02 +00:00
parent ed18906c08
commit d37985cd70
23 changed files with 364 additions and 121 deletions
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17
src/hotspot/share/classfile/systemDictionary.cpp
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@ -2456,15 +2456,16 @@ static Method* unpack_method_and_appendix(Handle mname,
Method* m = java_lang_invoke_MemberName::vmtarget(mname());
if (m != NULL) {
oop appendix = appendix_box->obj_at(0);
if (TraceMethodHandles) {
#ifndef PRODUCT
ttyLocker ttyl;
tty->print("Linked method=" INTPTR_FORMAT ": ", p2i(m));
m->print();
if (appendix != NULL) { tty->print("appendix = "); appendix->print(); }
tty->cr();
#endif //PRODUCT
LogTarget(Info, methodhandles) lt;
if (lt.develop_is_enabled()) {
ResourceMark rm(THREAD);
LogStream ls(lt);
ls.print("Linked method=" INTPTR_FORMAT ": ", p2i(m));
m->print_on(&ls);
if (appendix != NULL) { ls.print("appendix = "); appendix->print_on(&ls); }
ls.cr();
}
(*appendix_result) = Handle(THREAD, appendix);
// the target is stored in the cpCache and if a reference to this
// MemberName is dropped we need a way to make sure the