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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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13
src/hotspot/share/oops/method.cpp
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@ -38,6 +38,7 @@
#include "interpreter/oopMapCache.hpp"
#include "logging/log.hpp"
#include "logging/logTag.hpp"
#include "logging/logStream.hpp"
#include "memory/allocation.inline.hpp"
#include "memory/metadataFactory.hpp"
#include "memory/metaspaceClosure.hpp"
@ -1417,9 +1418,8 @@ methodHandle Method::make_method_handle_intrinsic(vmIntrinsics::ID iid,
InstanceKlass* holder = SystemDictionary::MethodHandle_klass();
Symbol* name = MethodHandles::signature_polymorphic_intrinsic_name(iid);
assert(iid == MethodHandles::signature_polymorphic_name_id(name), "");
if (TraceMethodHandles) {
tty->print_cr("make_method_handle_intrinsic MH.%s%s", name->as_C_string(), signature->as_C_string());
}
log_info(methodhandles)("make_method_handle_intrinsic MH.%s%s", name->as_C_string(), signature->as_C_string());
// invariant: cp->symbol_at_put is preceded by a refcount increment (more usually a lookup)
name->increment_refcount();
@ -1470,9 +1470,10 @@ methodHandle Method::make_method_handle_intrinsic(vmIntrinsics::ID iid,
m->set_vtable_index(Method::nonvirtual_vtable_index);
m->link_method(m, CHECK_(empty));
if (TraceMethodHandles && (Verbose || WizardMode)) {
ttyLocker ttyl;
m->print_on(tty);
if (log_is_enabled(Info, methodhandles) && (Verbose || WizardMode)) {
LogTarget(Info, methodhandles) lt;
LogStream ls(lt);
m->print_on(&ls);
}
return m;