--- a/hotspot/make/linux/makefiles/dtrace.make Fri May 29 17:56:50 2015 +0200
+++ b/hotspot/make/linux/makefiles/dtrace.make Thu Jun 04 12:52:30 2015 -0700
@@ -31,8 +31,8 @@
REASON = "This JDK does not support SDT probes"
else
-# We need a recent GCC for the default
-ifeq "$(shell expr \( $(CC_VER_MAJOR) \>= 4 \) \& \( $(CC_VER_MINOR) \>= 4 \) )" "0"
+# We need a recent GCC for the default (4.4 or later)
+ifeq "$(shell expr \( \( $(CC_VER_MAJOR) = 4 \) \& \( $(CC_VER_MINOR) \>= 4 \) \) \| \( $(CC_VER_MAJOR) \>= 5 \) )" "0"
REASON = "gcc version is too old"
else
--- a/hotspot/make/test/JtregNative.gmk Fri May 29 17:56:50 2015 +0200
+++ b/hotspot/make/test/JtregNative.gmk Thu Jun 04 12:52:30 2015 -0700
@@ -44,6 +44,7 @@
$(HOTSPOT_TOPDIR)/test/native_sanity \
$(HOTSPOT_TOPDIR)/test/runtime/jni/8025979 \
$(HOTSPOT_TOPDIR)/test/runtime/jni/8033445 \
+ $(HOTSPOT_TOPDIR)/test/runtime/jni/ToStringInInterfaceTest \
#
BUILD_HOTSPOT_JTREG_OUTPUT_DIR := $(BUILD_OUTPUT)/support/test/hotspot/jtreg/native
--- a/hotspot/src/os/aix/vm/os_aix.cpp Fri May 29 17:56:50 2015 +0200
+++ b/hotspot/src/os/aix/vm/os_aix.cpp Thu Jun 04 12:52:30 2015 -0700
@@ -1267,10 +1267,6 @@
// Note: os::abort() might be called very early during initialization, or
// called from signal handler. Before adding something to os::abort(), make
// sure it is async-safe and can handle partially initialized VM.
-void os::abort(bool dump_core) {
- abort(dump_core, NULL, NULL);
-}
-
void os::abort(bool dump_core, void* siginfo, void* context) {
os::shutdown();
if (dump_core) {
--- a/hotspot/src/os/bsd/vm/os_bsd.cpp Fri May 29 17:56:50 2015 +0200
+++ b/hotspot/src/os/bsd/vm/os_bsd.cpp Thu Jun 04 12:52:30 2015 -0700
@@ -1131,10 +1131,6 @@
// Note: os::abort() might be called very early during initialization, or
// called from signal handler. Before adding something to os::abort(), make
// sure it is async-safe and can handle partially initialized VM.
-void os::abort(bool dump_core) {
- abort(dump_core, NULL, NULL);
-}
-
void os::abort(bool dump_core, void* siginfo, void* context) {
os::shutdown();
if (dump_core) {
--- a/hotspot/src/os/linux/vm/os_linux.cpp Fri May 29 17:56:50 2015 +0200
+++ b/hotspot/src/os/linux/vm/os_linux.cpp Thu Jun 04 12:52:30 2015 -0700
@@ -1478,10 +1478,6 @@
// Note: os::abort() might be called very early during initialization, or
// called from signal handler. Before adding something to os::abort(), make
// sure it is async-safe and can handle partially initialized VM.
-void os::abort(bool dump_core) {
- abort(dump_core, NULL, NULL);
-}
-
void os::abort(bool dump_core, void* siginfo, void* context) {
os::shutdown();
if (dump_core) {
--- a/hotspot/src/os/solaris/vm/os_solaris.cpp Fri May 29 17:56:50 2015 +0200
+++ b/hotspot/src/os/solaris/vm/os_solaris.cpp Thu Jun 04 12:52:30 2015 -0700
@@ -1520,10 +1520,6 @@
// Note: os::abort() might be called very early during initialization, or
// called from signal handler. Before adding something to os::abort(), make
// sure it is async-safe and can handle partially initialized VM.
-void os::abort(bool dump_core) {
- abort(dump_core, NULL, NULL);
-}
-
void os::abort(bool dump_core, void* siginfo, void* context) {
os::shutdown();
if (dump_core) {
--- a/hotspot/src/os/windows/vm/os_windows.cpp Fri May 29 17:56:50 2015 +0200
+++ b/hotspot/src/os/windows/vm/os_windows.cpp Thu Jun 04 12:52:30 2015 -0700
@@ -997,7 +997,16 @@
if (!FLAG_IS_DEFAULT(CreateCoredumpOnCrash) && !CreateCoredumpOnCrash) {
jio_snprintf(buffer, buffsz, "CreateCoredumpOnCrash is disabled from command line");
status = false;
- } else {
+ }
+
+#ifndef ASSERT
+ if (!os::win32::is_windows_server() && FLAG_IS_DEFAULT(CreateCoredumpOnCrash)) {
+ jio_snprintf(buffer, buffsz, "Minidumps are not enabled by default on client versions of Windows");
+ status = false;
+ }
+#endif
+
+ if (status) {
const char* cwd = get_current_directory(NULL, 0);
int pid = current_process_id();
if (cwd != NULL) {
@@ -1086,10 +1095,6 @@
win32::exit_process_or_thread(win32::EPT_PROCESS, 1);
}
-void os::abort(bool dump_core) {
- abort(dump_core, NULL, NULL);
-}
-
// Die immediately, no exit hook, no abort hook, no cleanup.
void os::die() {
win32::exit_process_or_thread(win32::EPT_PROCESS_DIE, -1);
--- a/hotspot/src/share/vm/ci/ciEnv.cpp Fri May 29 17:56:50 2015 +0200
+++ b/hotspot/src/share/vm/ci/ciEnv.cpp Thu Jun 04 12:52:30 2015 -0700
@@ -709,24 +709,23 @@
KlassHandle h_holder(THREAD, holder);
LinkResolver::check_klass_accessability(h_accessor, h_holder, KILL_COMPILE_ON_FATAL_(NULL));
methodHandle dest_method;
+ LinkInfo link_info(h_holder, name, sig, h_accessor, /*check_access*/true);
switch (bc) {
case Bytecodes::_invokestatic:
dest_method =
- LinkResolver::resolve_static_call_or_null(h_holder, name, sig, h_accessor);
+ LinkResolver::resolve_static_call_or_null(link_info);
break;
case Bytecodes::_invokespecial:
dest_method =
- LinkResolver::resolve_special_call_or_null(h_holder, name, sig, h_accessor);
+ LinkResolver::resolve_special_call_or_null(link_info);
break;
case Bytecodes::_invokeinterface:
dest_method =
- LinkResolver::linktime_resolve_interface_method_or_null(h_holder, name, sig,
- h_accessor, true);
+ LinkResolver::linktime_resolve_interface_method_or_null(link_info);
break;
case Bytecodes::_invokevirtual:
dest_method =
- LinkResolver::linktime_resolve_virtual_method_or_null(h_holder, name, sig,
- h_accessor, true);
+ LinkResolver::linktime_resolve_virtual_method_or_null(link_info);
break;
default: ShouldNotReachHere();
}
--- a/hotspot/src/share/vm/ci/ciField.cpp Fri May 29 17:56:50 2015 +0200
+++ b/hotspot/src/share/vm/ci/ciField.cpp Thu Jun 04 12:52:30 2015 -0700
@@ -352,11 +352,11 @@
}
}
+ LinkInfo link_info(_holder->get_instanceKlass(),
+ _name->get_symbol(), _signature->get_symbol(),
+ accessing_klass->get_Klass());
fieldDescriptor result;
- LinkResolver::resolve_field(result, _holder->get_instanceKlass(),
- _name->get_symbol(), _signature->get_symbol(),
- accessing_klass->get_Klass(), bc, true, false,
- KILL_COMPILE_ON_FATAL_(false));
+ LinkResolver::resolve_field(result, link_info, bc, false, KILL_COMPILE_ON_FATAL_(false));
// update the hit-cache, unless there is a problem with memory scoping:
if (accessing_klass->is_shared() || !is_shared()) {
--- a/hotspot/src/share/vm/ci/ciMethod.cpp Fri May 29 17:56:50 2015 +0200
+++ b/hotspot/src/share/vm/ci/ciMethod.cpp Thu Jun 04 12:52:30 2015 -0700
@@ -1,5 +1,5 @@
/*
- * Copyright (c) 1999, 2013, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1999, 2015, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
@@ -786,6 +786,7 @@
Symbol* h_name = name()->get_symbol();
Symbol* h_signature = signature()->get_symbol();
+ LinkInfo link_info(h_resolved, h_name, h_signature, caller_klass, check_access);
methodHandle m;
// Only do exact lookup if receiver klass has been linked. Otherwise,
// the vtable has not been setup, and the LinkResolver will fail.
@@ -793,9 +794,9 @@
||
InstanceKlass::cast(h_recv())->is_linked() && !exact_receiver->is_interface()) {
if (holder()->is_interface()) {
- m = LinkResolver::resolve_interface_call_or_null(h_recv, h_resolved, h_name, h_signature, caller_klass, check_access);
+ m = LinkResolver::resolve_interface_call_or_null(h_recv, link_info);
} else {
- m = LinkResolver::resolve_virtual_call_or_null(h_recv, h_resolved, h_name, h_signature, caller_klass, check_access);
+ m = LinkResolver::resolve_virtual_call_or_null(h_recv, link_info);
}
}
@@ -839,7 +840,8 @@
Symbol* h_name = name()->get_symbol();
Symbol* h_signature = signature()->get_symbol();
- vtable_index = LinkResolver::resolve_virtual_vtable_index(h_recv, h_recv, h_name, h_signature, caller_klass);
+ LinkInfo link_info(h_recv, h_name, h_signature, caller_klass);
+ vtable_index = LinkResolver::resolve_virtual_vtable_index(h_recv, link_info);
if (vtable_index == Method::nonvirtual_vtable_index) {
// A statically bound method. Return "no such index".
vtable_index = Method::invalid_vtable_index;
@@ -1285,10 +1287,8 @@
EXCEPTION_MARK;
HandleMark hm(THREAD);
constantPoolHandle pool (THREAD, get_Method()->constants());
- methodHandle spec_method;
- KlassHandle spec_klass;
Bytecodes::Code code = (is_static ? Bytecodes::_invokestatic : Bytecodes::_invokevirtual);
- LinkResolver::resolve_method_statically(spec_method, spec_klass, code, pool, refinfo_index, THREAD);
+ methodHandle spec_method = LinkResolver::resolve_method_statically(code, pool, refinfo_index, THREAD);
if (HAS_PENDING_EXCEPTION) {
CLEAR_PENDING_EXCEPTION;
return false;
--- a/hotspot/src/share/vm/classfile/verifier.cpp Fri May 29 17:56:50 2015 +0200
+++ b/hotspot/src/share/vm/classfile/verifier.cpp Thu Jun 04 12:52:30 2015 -0700
@@ -45,6 +45,8 @@
#include "runtime/javaCalls.hpp"
#include "runtime/orderAccess.inline.hpp"
#include "runtime/os.hpp"
+#include "runtime/thread.hpp"
+#include "services/threadService.hpp"
#include "utilities/bytes.hpp"
#define NOFAILOVER_MAJOR_VERSION 51
@@ -130,6 +132,16 @@
return true;
}
+ // Timer includes any side effects of class verification (resolution,
+ // etc), but not recursive calls to Verifier::verify().
+ JavaThread* jt = (JavaThread*)THREAD;
+ PerfClassTraceTime timer(ClassLoader::perf_class_verify_time(),
+ ClassLoader::perf_class_verify_selftime(),
+ ClassLoader::perf_classes_verified(),
+ jt->get_thread_stat()->perf_recursion_counts_addr(),
+ jt->get_thread_stat()->perf_timers_addr(),
+ PerfClassTraceTime::CLASS_VERIFY);
+
// If the class should be verified, first see if we can use the split
// verifier. If not, or if verification fails and FailOverToOldVerifier
// is set, then call the inference verifier.
--- a/hotspot/src/share/vm/gc/cms/vmCMSOperations.cpp Fri May 29 17:56:50 2015 +0200
+++ b/hotspot/src/share/vm/gc/cms/vmCMSOperations.cpp Thu Jun 04 12:52:30 2015 -0700
@@ -254,9 +254,9 @@
if (_gc_cause != GCCause::_gc_locker &&
gch->total_full_collections_completed() <= _full_gc_count_before) {
// maybe we should change the condition to test _gc_cause ==
- // GCCause::_java_lang_system_gc, instead of
- // _gc_cause != GCCause::_gc_locker
- assert(_gc_cause == GCCause::_java_lang_system_gc,
+ // GCCause::_java_lang_system_gc or GCCause::_dcmd_gc_run,
+ // instead of _gc_cause != GCCause::_gc_locker
+ assert(GCCause::is_user_requested_gc(_gc_cause),
"the only way to get here if this was a System.gc()-induced GC");
assert(ExplicitGCInvokesConcurrent, "Error");
// Now, wait for witnessing concurrent gc cycle to complete,
--- a/hotspot/src/share/vm/gc/cms/yieldingWorkgroup.cpp Fri May 29 17:56:50 2015 +0200
+++ b/hotspot/src/share/vm/gc/cms/yieldingWorkgroup.cpp Thu Jun 04 12:52:30 2015 -0700
@@ -43,7 +43,7 @@
}
// Run a task; returns when the task is done, or the workers yield,
-// or the task is aborted, or the work gang is terminated via stop().
+// or the task is aborted.
// A task that has been yielded can be continued via this interface
// by using the same task repeatedly as the argument to the call.
// It is expected that the YieldingFlexibleGangTask carries the appropriate
@@ -297,16 +297,9 @@
WorkData data;
int id;
while (true) {
- // Check if there is work to do or if we have been asked
- // to terminate
+ // Check if there is work to do.
gang()->internal_worker_poll(&data);
- if (data.terminate()) {
- // We have been asked to terminate.
- assert(gang()->task() == NULL, "No task binding");
- // set_status(TERMINATED);
- return;
- } else if (data.task() != NULL &&
- data.sequence_number() != previous_sequence_number) {
+ if (data.task() != NULL && data.sequence_number() != previous_sequence_number) {
// There is work to be done.
// First check if we need to become active or if there
// are already the requisite number of workers
--- a/hotspot/src/share/vm/gc/cms/yieldingWorkgroup.hpp Fri May 29 17:56:50 2015 +0200
+++ b/hotspot/src/share/vm/gc/cms/yieldingWorkgroup.hpp Thu Jun 04 12:52:30 2015 -0700
@@ -176,7 +176,7 @@
GangWorker* allocate_worker(uint which);
// Run a task; returns when the task is done, or the workers yield,
- // or the task is aborted, or the work gang is terminated via stop().
+ // or the task is aborted.
// A task that has been yielded can be continued via this same interface
// by using the same task repeatedly as the argument to the call.
// It is expected that the YieldingFlexibleGangTask carries the appropriate
--- a/hotspot/src/share/vm/gc/g1/g1CollectedHeap.cpp Fri May 29 17:56:50 2015 +0200
+++ b/hotspot/src/share/vm/gc/g1/g1CollectedHeap.cpp Thu Jun 04 12:52:30 2015 -0700
@@ -1183,7 +1183,7 @@
IsGCActiveMark x;
// Timing
- assert(gc_cause() != GCCause::_java_lang_system_gc || explicit_gc, "invariant");
+ assert(!GCCause::is_user_requested_gc(gc_cause()) || explicit_gc, "invariant");
TraceCPUTime tcpu(G1Log::finer(), true, gclog_or_tty);
{
@@ -2199,6 +2199,7 @@
switch (cause) {
case GCCause::_gc_locker: return GCLockerInvokesConcurrent;
case GCCause::_java_lang_system_gc: return ExplicitGCInvokesConcurrent;
+ case GCCause::_dcmd_gc_run: return ExplicitGCInvokesConcurrent;
case GCCause::_g1_humongous_allocation: return true;
case GCCause::_update_allocation_context_stats_inc: return true;
case GCCause::_wb_conc_mark: return true;
--- a/hotspot/src/share/vm/gc/g1/g1CollectedHeap.hpp Fri May 29 17:56:50 2015 +0200
+++ b/hotspot/src/share/vm/gc/g1/g1CollectedHeap.hpp Thu Jun 04 12:52:30 2015 -0700
@@ -324,7 +324,8 @@
// explicitly started if:
// (a) cause == _gc_locker and +GCLockerInvokesConcurrent, or
// (b) cause == _java_lang_system_gc and +ExplicitGCInvokesConcurrent.
- // (c) cause == _g1_humongous_allocation
+ // (c) cause == _dcmd_gc_run and +ExplicitGCInvokesConcurrent.
+ // (d) cause == _g1_humongous_allocation
bool should_do_concurrent_full_gc(GCCause::Cause cause);
// Keeps track of how many "old marking cycles" (i.e., Full GCs or
--- a/hotspot/src/share/vm/gc/g1/vm_operations_g1.cpp Fri May 29 17:56:50 2015 +0200
+++ b/hotspot/src/share/vm/gc/g1/vm_operations_g1.cpp Thu Jun 04 12:52:30 2015 -0700
@@ -168,7 +168,7 @@
// +ExplicitGCInvokesConcurrent, we have to wait here for the cycle
// that just started (or maybe one that was already in progress) to
// finish.
- if (_gc_cause == GCCause::_java_lang_system_gc &&
+ if (GCCause::is_user_requested_gc(_gc_cause) &&
_should_initiate_conc_mark) {
assert(ExplicitGCInvokesConcurrent,
"the only way to be here is if ExplicitGCInvokesConcurrent is set");
--- a/hotspot/src/share/vm/gc/parallel/psAdaptiveSizePolicy.cpp Fri May 29 17:56:50 2015 +0200
+++ b/hotspot/src/share/vm/gc/parallel/psAdaptiveSizePolicy.cpp Thu Jun 04 12:52:30 2015 -0700
@@ -130,7 +130,7 @@
// Update the pause time.
_major_timer.stop();
- if (gc_cause != GCCause::_java_lang_system_gc ||
+ if (!GCCause::is_user_requested_gc(gc_cause) ||
UseAdaptiveSizePolicyWithSystemGC) {
double major_pause_in_seconds = _major_timer.seconds();
double major_pause_in_ms = major_pause_in_seconds * MILLIUNITS;
--- a/hotspot/src/share/vm/gc/parallel/psMarkSweep.cpp Fri May 29 17:56:50 2015 +0200
+++ b/hotspot/src/share/vm/gc/parallel/psMarkSweep.cpp Thu Jun 04 12:52:30 2015 -0700
@@ -272,7 +272,7 @@
// Don't check if the size_policy is ready here. Let
// the size_policy check that internally.
if (UseAdaptiveGenerationSizePolicyAtMajorCollection &&
- ((gc_cause != GCCause::_java_lang_system_gc) ||
+ (!GCCause::is_user_requested_gc(gc_cause) ||
UseAdaptiveSizePolicyWithSystemGC)) {
// Swap the survivor spaces if from_space is empty. The
// resize_young_gen() called below is normally used after
--- a/hotspot/src/share/vm/gc/parallel/psParallelCompact.cpp Fri May 29 17:56:50 2015 +0200
+++ b/hotspot/src/share/vm/gc/parallel/psParallelCompact.cpp Thu Jun 04 12:52:30 2015 -0700
@@ -2053,7 +2053,7 @@
marking_phase(vmthread_cm, maximum_heap_compaction, &_gc_tracer);
bool max_on_system_gc = UseMaximumCompactionOnSystemGC
- && gc_cause == GCCause::_java_lang_system_gc;
+ && GCCause::is_user_requested_gc(gc_cause);
summary_phase(vmthread_cm, maximum_heap_compaction || max_on_system_gc);
COMPILER2_PRESENT(assert(DerivedPointerTable::is_active(), "Sanity"));
@@ -2089,7 +2089,7 @@
// Don't check if the size_policy is ready here. Let
// the size_policy check that internally.
if (UseAdaptiveGenerationSizePolicyAtMajorCollection &&
- ((gc_cause != GCCause::_java_lang_system_gc) ||
+ (!GCCause::is_user_requested_gc(gc_cause) ||
UseAdaptiveSizePolicyWithSystemGC)) {
// Swap the survivor spaces if from_space is empty. The
// resize_young_gen() called below is normally used after
--- a/hotspot/src/share/vm/gc/parallel/psScavenge.cpp Fri May 29 17:56:50 2015 +0200
+++ b/hotspot/src/share/vm/gc/parallel/psScavenge.cpp Thu Jun 04 12:52:30 2015 -0700
@@ -290,7 +290,7 @@
AdaptiveSizePolicyOutput(size_policy, heap->total_collections());
- if ((gc_cause != GCCause::_java_lang_system_gc) ||
+ if (!GCCause::is_user_requested_gc(gc_cause) ||
UseAdaptiveSizePolicyWithSystemGC) {
// Gather the feedback data for eden occupancy.
young_gen->eden_space()->accumulate_statistics();
--- a/hotspot/src/share/vm/gc/serial/defNewGeneration.cpp Fri May 29 17:56:50 2015 +0200
+++ b/hotspot/src/share/vm/gc/serial/defNewGeneration.cpp Thu Jun 04 12:52:30 2015 -0700
@@ -960,7 +960,7 @@
GCCause::to_string(gch->gc_cause()));
}
assert(gch->gc_cause() == GCCause::_scavenge_alot ||
- (gch->gc_cause() == GCCause::_java_lang_system_gc && UseConcMarkSweepGC && ExplicitGCInvokesConcurrent) ||
+ (GCCause::is_user_requested_gc(gch->gc_cause()) && UseConcMarkSweepGC && ExplicitGCInvokesConcurrent) ||
!gch->incremental_collection_failed(),
"Twice in a row");
seen_incremental_collection_failed = false;
--- a/hotspot/src/share/vm/gc/shared/adaptiveSizePolicy.cpp Fri May 29 17:56:50 2015 +0200
+++ b/hotspot/src/share/vm/gc/shared/adaptiveSizePolicy.cpp Thu Jun 04 12:52:30 2015 -0700
@@ -244,7 +244,7 @@
// Update the pause time.
_minor_timer.stop();
- if (gc_cause != GCCause::_java_lang_system_gc ||
+ if (!GCCause::is_user_requested_gc(gc_cause) ||
UseAdaptiveSizePolicyWithSystemGC) {
double minor_pause_in_seconds = _minor_timer.seconds();
double minor_pause_in_ms = minor_pause_in_seconds * MILLIUNITS;
--- a/hotspot/src/share/vm/gc/shared/gcCause.cpp Fri May 29 17:56:50 2015 +0200
+++ b/hotspot/src/share/vm/gc/shared/gcCause.cpp Thu Jun 04 12:52:30 2015 -0700
@@ -103,6 +103,9 @@
case _last_ditch_collection:
return "Last ditch collection";
+ case _dcmd_gc_run:
+ return "Diagnostic Command";
+
case _last_gc_cause:
return "ILLEGAL VALUE - last gc cause - ILLEGAL VALUE";
--- a/hotspot/src/share/vm/gc/shared/gcCause.hpp Fri May 29 17:56:50 2015 +0200
+++ b/hotspot/src/share/vm/gc/shared/gcCause.hpp Thu Jun 04 12:52:30 2015 -0700
@@ -74,12 +74,15 @@
_g1_humongous_allocation,
_last_ditch_collection,
+
+ _dcmd_gc_run,
+
_last_gc_cause
};
inline static bool is_user_requested_gc(GCCause::Cause cause) {
return (cause == GCCause::_java_lang_system_gc ||
- cause == GCCause::_jvmti_force_gc);
+ cause == GCCause::_dcmd_gc_run);
}
inline static bool is_serviceability_requested_gc(GCCause::Cause
--- a/hotspot/src/share/vm/gc/shared/genCollectedHeap.cpp Fri May 29 17:56:50 2015 +0200
+++ b/hotspot/src/share/vm/gc/shared/genCollectedHeap.cpp Thu Jun 04 12:52:30 2015 -0700
@@ -304,9 +304,16 @@
}
bool GenCollectedHeap::should_do_concurrent_full_gc(GCCause::Cause cause) {
- return UseConcMarkSweepGC &&
- ((cause == GCCause::_gc_locker && GCLockerInvokesConcurrent) ||
- (cause == GCCause::_java_lang_system_gc && ExplicitGCInvokesConcurrent));
+ if (!UseConcMarkSweepGC) {
+ return false;
+ }
+
+ switch (cause) {
+ case GCCause::_gc_locker: return GCLockerInvokesConcurrent;
+ case GCCause::_java_lang_system_gc:
+ case GCCause::_dcmd_gc_run: return ExplicitGCInvokesConcurrent;
+ default: return false;
+ }
}
void GenCollectedHeap::collect_generation(Generation* gen, bool full, size_t size,
--- a/hotspot/src/share/vm/gc/shared/workgroup.cpp Fri May 29 17:56:50 2015 +0200
+++ b/hotspot/src/share/vm/gc/shared/workgroup.cpp Thu Jun 04 12:52:30 2015 -0700
@@ -47,7 +47,6 @@
/* allow_vm_block */ are_GC_task_threads,
Monitor::_safepoint_check_sometimes);
assert(monitor() != NULL, "Failed to allocate monitor");
- _terminate = false;
_task = NULL;
_sequence_number = 0;
_started_workers = 0;
@@ -106,18 +105,6 @@
return true;
}
-AbstractWorkGang::~AbstractWorkGang() {
- if (TraceWorkGang) {
- tty->print_cr("Destructing work gang %s", name());
- }
- stop(); // stop all the workers
- for (uint worker = 0; worker < total_workers(); worker += 1) {
- delete gang_worker(worker);
- }
- delete gang_workers();
- delete monitor();
-}
-
GangWorker* AbstractWorkGang::gang_worker(uint i) const {
// Array index bounds checking.
GangWorker* result = NULL;
@@ -175,28 +162,9 @@
WorkGang::run_task(task, (uint) active_workers());
}
-void AbstractWorkGang::stop() {
- // Tell all workers to terminate, then wait for them to become inactive.
- MutexLockerEx ml(monitor(), Mutex::_no_safepoint_check_flag);
- if (TraceWorkGang) {
- tty->print_cr("Stopping work gang %s task %s", name(), task()->name());
- }
- _task = NULL;
- _terminate = true;
- monitor()->notify_all();
- while (finished_workers() < active_workers()) {
- if (TraceWorkGang) {
- tty->print_cr("Waiting in work gang %s: %u/%u finished",
- name(), finished_workers(), active_workers());
- }
- monitor()->wait(/* no_safepoint_check */ true);
- }
-}
-
void AbstractWorkGang::internal_worker_poll(WorkData* data) const {
assert(monitor()->owned_by_self(), "worker_poll is an internal method");
assert(data != NULL, "worker data is null");
- data->set_terminate(terminate());
data->set_task(task());
data->set_sequence_number(sequence_number());
}
@@ -259,7 +227,7 @@
void GangWorker::loop() {
int previous_sequence_number = 0;
Monitor* gang_monitor = gang()->monitor();
- for ( ; /* !terminate() */; ) {
+ for ( ; ; ) {
WorkData data;
int part; // Initialized below.
{
@@ -272,8 +240,6 @@
if (TraceWorkGang) {
tty->print("Polled outside for work in gang %s worker %u",
gang()->name(), id());
- tty->print(" terminate: %s",
- data.terminate() ? "true" : "false");
tty->print(" sequence: %d (prev: %d)",
data.sequence_number(), previous_sequence_number);
if (data.task() != NULL) {
@@ -283,13 +249,7 @@
}
tty->cr();
}
- for ( ; /* break or return */; ) {
- // Terminate if requested.
- if (data.terminate()) {
- gang()->internal_note_finish();
- gang_monitor->notify_all();
- return;
- }
+ for ( ; /* break */; ) {
// Check for new work.
if ((data.task() != NULL) &&
(data.sequence_number() != previous_sequence_number)) {
@@ -306,8 +266,6 @@
if (TraceWorkGang) {
tty->print("Polled inside for work in gang %s worker %u",
gang()->name(), id());
- tty->print(" terminate: %s",
- data.terminate() ? "true" : "false");
tty->print(" sequence: %d (prev: %d)",
data.sequence_number(), previous_sequence_number);
if (data.task() != NULL) {
--- a/hotspot/src/share/vm/gc/shared/workgroup.hpp Fri May 29 17:56:50 2015 +0200
+++ b/hotspot/src/share/vm/gc/shared/workgroup.hpp Thu Jun 04 12:52:30 2015 -0700
@@ -103,16 +103,15 @@
// An abstract class representing a gang of workers.
// You subclass this to supply an implementation of run_task().
class AbstractWorkGang: public CHeapObj<mtInternal> {
- // Here's the public interface to this class.
+protected:
+ // Work gangs are never deleted, so no need to cleanup.
+ ~AbstractWorkGang() { ShouldNotReachHere(); }
public:
- // Constructor and destructor.
+ // Constructor.
AbstractWorkGang(const char* name, bool are_GC_task_threads,
bool are_ConcurrentGC_threads);
- ~AbstractWorkGang();
// Run a task, returns when the task is done (or terminated).
virtual void run_task(AbstractGangTask* task) = 0;
- // Stop and terminate all workers.
- virtual void stop();
// Return true if more workers should be applied to the task.
virtual bool needs_more_workers() const { return true; }
public:
@@ -129,8 +128,6 @@
Monitor* _monitor;
// The count of the number of workers in the gang.
uint _total_workers;
- // Whether the workers should terminate.
- bool _terminate;
// The array of worker threads for this gang.
// This is only needed for cleaning up.
GangWorker** _gang_workers;
@@ -153,9 +150,6 @@
virtual uint active_workers() const {
return _total_workers;
}
- bool terminate() const {
- return _terminate;
- }
GangWorker** gang_workers() const {
return _gang_workers;
}
@@ -205,21 +199,16 @@
class WorkData: public StackObj {
// This would be a struct, but I want accessor methods.
private:
- bool _terminate;
AbstractGangTask* _task;
int _sequence_number;
public:
// Constructor and destructor
WorkData() {
- _terminate = false;
_task = NULL;
_sequence_number = 0;
}
~WorkData() {
}
- // Accessors and modifiers
- bool terminate() const { return _terminate; }
- void set_terminate(bool value) { _terminate = value; }
AbstractGangTask* task() const { return _task; }
void set_task(AbstractGangTask* value) { _task = value; }
int sequence_number() const { return _sequence_number; }
--- a/hotspot/src/share/vm/interpreter/bytecode.cpp Fri May 29 17:56:50 2015 +0200
+++ b/hotspot/src/share/vm/interpreter/bytecode.cpp Thu Jun 04 12:52:30 2015 -0700
@@ -1,5 +1,5 @@
/*
- * Copyright (c) 1997, 2012, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1997, 2015, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
@@ -147,13 +147,10 @@
methodHandle Bytecode_invoke::static_target(TRAPS) {
- methodHandle m;
- KlassHandle resolved_klass;
constantPoolHandle constants(THREAD, this->constants());
Bytecodes::Code bc = invoke_code();
- LinkResolver::resolve_method_statically(m, resolved_klass, bc, constants, index(), CHECK_(methodHandle()));
- return m;
+ return LinkResolver::resolve_method_statically(bc, constants, index(), THREAD);
}
Handle Bytecode_invoke::appendix(TRAPS) {
--- a/hotspot/src/share/vm/interpreter/linkResolver.cpp Fri May 29 17:56:50 2015 +0200
+++ b/hotspot/src/share/vm/interpreter/linkResolver.cpp Thu Jun 04 12:52:30 2015 -0700
@@ -52,13 +52,17 @@
// Implementation of CallInfo
-void CallInfo::set_static(KlassHandle resolved_klass, methodHandle resolved_method, TRAPS) {
+void CallInfo::set_static(KlassHandle resolved_klass, const methodHandle& resolved_method, TRAPS) {
int vtable_index = Method::nonvirtual_vtable_index;
set_common(resolved_klass, resolved_klass, resolved_method, resolved_method, CallInfo::direct_call, vtable_index, CHECK);
}
-void CallInfo::set_interface(KlassHandle resolved_klass, KlassHandle selected_klass, methodHandle resolved_method, methodHandle selected_method, int itable_index, TRAPS) {
+void CallInfo::set_interface(KlassHandle resolved_klass,
+ KlassHandle selected_klass,
+ const methodHandle& resolved_method,
+ const methodHandle& selected_method,
+ int itable_index, TRAPS) {
// This is only called for interface methods. If the resolved_method
// comes from java/lang/Object, it can be the subject of a virtual call, so
// we should pick the vtable index from the resolved method.
@@ -68,7 +72,11 @@
set_common(resolved_klass, selected_klass, resolved_method, selected_method, CallInfo::itable_call, itable_index, CHECK);
}
-void CallInfo::set_virtual(KlassHandle resolved_klass, KlassHandle selected_klass, methodHandle resolved_method, methodHandle selected_method, int vtable_index, TRAPS) {
+void CallInfo::set_virtual(KlassHandle resolved_klass,
+ KlassHandle selected_klass,
+ const methodHandle& resolved_method,
+ const methodHandle& selected_method,
+ int vtable_index, TRAPS) {
assert(vtable_index >= 0 || vtable_index == Method::nonvirtual_vtable_index, "valid index");
assert(vtable_index < 0 || !resolved_method->has_vtable_index() || vtable_index == resolved_method->vtable_index(), "");
CallKind kind = (vtable_index >= 0 && !resolved_method->can_be_statically_bound() ? CallInfo::vtable_call : CallInfo::direct_call);
@@ -76,7 +84,9 @@
assert(!resolved_method->is_compiled_lambda_form(), "these must be handled via an invokehandle call");
}
-void CallInfo::set_handle(methodHandle resolved_method, Handle resolved_appendix, Handle resolved_method_type, TRAPS) {
+void CallInfo::set_handle(const methodHandle& resolved_method,
+ Handle resolved_appendix,
+ Handle resolved_method_type, TRAPS) {
if (resolved_method.is_null()) {
THROW_MSG(vmSymbols::java_lang_InternalError(), "resolved method is null");
}
@@ -93,8 +103,8 @@
void CallInfo::set_common(KlassHandle resolved_klass,
KlassHandle selected_klass,
- methodHandle resolved_method,
- methodHandle selected_method,
+ const methodHandle& resolved_method,
+ const methodHandle& selected_method,
CallKind kind,
int index,
TRAPS) {
@@ -210,8 +220,52 @@
}
#endif //ASSERT
+#ifndef PRODUCT
+void CallInfo::print() {
+ ResourceMark rm;
+ const char* kindstr = "unknown";
+ switch (_call_kind) {
+ case direct_call: kindstr = "direct"; break;
+ case vtable_call: kindstr = "vtable"; break;
+ case itable_call: kindstr = "itable"; break;
+ }
+ tty->print_cr("Call %s@%d %s", kindstr, _call_index,
+ _resolved_method.is_null() ? "(none)" : _resolved_method->name_and_sig_as_C_string());
+}
+#endif
+//------------------------------------------------------------------------------------------------------------------------
+// Implementation of LinkInfo
+LinkInfo::LinkInfo(constantPoolHandle pool, int index, TRAPS) {
+ // resolve klass
+ Klass* result = pool->klass_ref_at(index, CHECK);
+ _resolved_klass = KlassHandle(THREAD, result);
+
+ // Get name, signature, and static klass
+ _name = pool->name_ref_at(index);
+ _signature = pool->signature_ref_at(index);
+ _current_klass = KlassHandle(THREAD, pool->pool_holder());
+
+ // Coming from the constant pool always checks access
+ _check_access = true;
+}
+
+char* LinkInfo::method_string() const {
+ return Method::name_and_sig_as_C_string(_resolved_klass(), _name, _signature);
+}
+
+#ifndef PRODUCT
+void LinkInfo::print() {
+ ResourceMark rm;
+ tty->print_cr("Link resolved_klass=%s name=%s signature=%s current_klass=%s check_access=%s",
+ _resolved_klass->name()->as_C_string(),
+ _name->as_C_string(),
+ _signature->as_C_string(),
+ _current_klass.is_null() ? "(none)" : _current_klass->name()->as_C_string(),
+ _check_access ? "true" : "false");
+}
+#endif // PRODUCT
//------------------------------------------------------------------------------------------------------------------------
// Klass resolution
@@ -231,11 +285,6 @@
}
}
-void LinkResolver::resolve_klass(KlassHandle& result, constantPoolHandle pool, int index, TRAPS) {
- Klass* result_oop = pool->klass_ref_at(index, CHECK);
- result = KlassHandle(THREAD, result_oop);
-}
-
//------------------------------------------------------------------------------------------------------------------------
// Method resolution
//
@@ -243,76 +292,84 @@
// Look up method in klasses, including static methods
// Then look up local default methods
-void LinkResolver::lookup_method_in_klasses(methodHandle& result, KlassHandle klass, Symbol* name, Symbol* signature, bool checkpolymorphism, bool in_imethod_resolve, TRAPS) {
+methodHandle LinkResolver::lookup_method_in_klasses(const LinkInfo& link_info,
+ bool checkpolymorphism,
+ bool in_imethod_resolve, TRAPS) {
+ KlassHandle klass = link_info.resolved_klass();
+ Symbol* name = link_info.name();
+ Symbol* signature = link_info.signature();
+
// Ignore overpasses so statics can be found during resolution
- Method* result_oop = klass->uncached_lookup_method(name, signature, Klass::skip_overpass);
+ Method* result = klass->uncached_lookup_method(name, signature, Klass::skip_overpass);
if (klass->oop_is_array()) {
// Only consider klass and super klass for arrays
- result = methodHandle(THREAD, result_oop);
- return;
+ return methodHandle(THREAD, result);
}
// JDK 8, JVMS 5.4.3.4: Interface method resolution should
// ignore static and non-public methods of java.lang.Object,
// like clone, finalize, registerNatives.
if (in_imethod_resolve &&
- result_oop != NULL &&
+ result != NULL &&
klass->is_interface() &&
- (result_oop->is_static() || !result_oop->is_public()) &&
- result_oop->method_holder() == SystemDictionary::Object_klass()) {
- result_oop = NULL;
+ (result->is_static() || !result->is_public()) &&
+ result->method_holder() == SystemDictionary::Object_klass()) {
+ result = NULL;
}
// Before considering default methods, check for an overpass in the
// current class if a method has not been found.
- if (result_oop == NULL) {
- result_oop = InstanceKlass::cast(klass())->find_method(name, signature);
+ if (result == NULL) {
+ result = InstanceKlass::cast(klass())->find_method(name, signature);
}
- if (result_oop == NULL) {
+ if (result == NULL) {
Array<Method*>* default_methods = InstanceKlass::cast(klass())->default_methods();
if (default_methods != NULL) {
- result_oop = InstanceKlass::find_method(default_methods, name, signature);
+ result = InstanceKlass::find_method(default_methods, name, signature);
}
}
- if (checkpolymorphism && result_oop != NULL) {
- vmIntrinsics::ID iid = result_oop->intrinsic_id();
+ if (checkpolymorphism && result != NULL) {
+ vmIntrinsics::ID iid = result->intrinsic_id();
if (MethodHandles::is_signature_polymorphic(iid)) {
// Do not link directly to these. The VM must produce a synthetic one using lookup_polymorphic_method.
- return;
+ return NULL;
}
}
- result = methodHandle(THREAD, result_oop);
+ return methodHandle(THREAD, result);
}
// returns first instance method
// Looks up method in classes, then looks up local default methods
-void LinkResolver::lookup_instance_method_in_klasses(methodHandle& result, KlassHandle klass, Symbol* name, Symbol* signature, TRAPS) {
- Method* result_oop = klass->uncached_lookup_method(name, signature, Klass::find_overpass);
- result = methodHandle(THREAD, result_oop);
- while (!result.is_null() && result->is_static() && result->method_holder()->super() != NULL) {
- KlassHandle super_klass = KlassHandle(THREAD, result->method_holder()->super());
- result = methodHandle(THREAD, super_klass->uncached_lookup_method(name, signature, Klass::find_overpass));
+methodHandle LinkResolver::lookup_instance_method_in_klasses(KlassHandle klass,
+ Symbol* name,
+ Symbol* signature, TRAPS) {
+ Method* result = klass->uncached_lookup_method(name, signature, Klass::find_overpass);
+
+ while (result != NULL && result->is_static() && result->method_holder()->super() != NULL) {
+ Klass* super_klass = result->method_holder()->super();
+ result = super_klass->uncached_lookup_method(name, signature, Klass::find_overpass);
}
if (klass->oop_is_array()) {
// Only consider klass and super klass for arrays
- return;
+ return methodHandle(THREAD, result);
}
- if (result.is_null()) {
+ if (result == NULL) {
Array<Method*>* default_methods = InstanceKlass::cast(klass())->default_methods();
if (default_methods != NULL) {
- result = methodHandle(InstanceKlass::find_method(default_methods, name, signature));
- assert(result.is_null() || !result->is_static(), "static defaults not allowed");
+ result = InstanceKlass::find_method(default_methods, name, signature);
+ assert(result == NULL || !result->is_static(), "static defaults not allowed");
}
}
+ return methodHandle(THREAD, result);
}
int LinkResolver::vtable_index_of_interface_method(KlassHandle klass,
- methodHandle resolved_method) {
+ const methodHandle& resolved_method) {
int vtable_index = Method::invalid_vtable_index;
Symbol* name = resolved_method->name();
@@ -336,21 +393,26 @@
return vtable_index;
}
-void LinkResolver::lookup_method_in_interfaces(methodHandle& result, KlassHandle klass, Symbol* name, Symbol* signature, TRAPS) {
- InstanceKlass *ik = InstanceKlass::cast(klass());
+methodHandle LinkResolver::lookup_method_in_interfaces(const LinkInfo& cp_info, TRAPS) {
+ InstanceKlass *ik = InstanceKlass::cast(cp_info.resolved_klass()());
// Specify 'true' in order to skip default methods when searching the
// interfaces. Function lookup_method_in_klasses() already looked for
// the method in the default methods table.
- result = methodHandle(THREAD, ik->lookup_method_in_all_interfaces(name, signature, Klass::skip_defaults));
+ return methodHandle(THREAD,
+ ik->lookup_method_in_all_interfaces(cp_info.name(), cp_info.signature(),
+ Klass::skip_defaults));
}
-void LinkResolver::lookup_polymorphic_method(methodHandle& result,
- KlassHandle klass, Symbol* name, Symbol* full_signature,
- KlassHandle current_klass,
+methodHandle LinkResolver::lookup_polymorphic_method(
+ const LinkInfo& link_info,
Handle *appendix_result_or_null,
Handle *method_type_result,
TRAPS) {
+ KlassHandle klass = link_info.resolved_klass();
+ Symbol* name = link_info.name();
+ Symbol* full_signature = link_info.signature();
+
vmIntrinsics::ID iid = MethodHandles::signature_polymorphic_name_id(name);
if (TraceMethodHandles) {
ResourceMark rm(THREAD);
@@ -365,7 +427,7 @@
// Do not erase last argument type (MemberName) if it is a static linkTo method.
bool keep_last_arg = MethodHandles::is_signature_polymorphic_static(iid);
TempNewSymbol basic_signature =
- MethodHandles::lookup_basic_type_signature(full_signature, keep_last_arg, CHECK);
+ MethodHandles::lookup_basic_type_signature(full_signature, keep_last_arg, CHECK_NULL);
if (TraceMethodHandles) {
ResourceMark rm(THREAD);
tty->print_cr("lookup_polymorphic_method %s %s => basic %s",
@@ -373,9 +435,9 @@
full_signature->as_C_string(),
basic_signature->as_C_string());
}
- result = SystemDictionary::find_method_handle_intrinsic(iid,
+ methodHandle result = SystemDictionary::find_method_handle_intrinsic(iid,
basic_signature,
- CHECK);
+ CHECK_NULL);
if (result.not_null()) {
assert(result->is_method_handle_intrinsic(), "MH.invokeBasic or MH.linkTo* intrinsic");
assert(result->intrinsic_id() != vmIntrinsics::_invokeGeneric, "wrong place to find this");
@@ -384,8 +446,8 @@
tty->print("lookup_polymorphic_method => intrinsic ");
result->print_on(tty);
}
- return;
}
+ return result;
} else if (iid == vmIntrinsics::_invokeGeneric
&& !THREAD->is_Compiler_thread()
&& appendix_result_or_null != NULL) {
@@ -399,18 +461,19 @@
Handle(),
Handle(),
true,
- CHECK);
+ CHECK_NULL);
}
}
Handle appendix;
Handle method_type;
- result = SystemDictionary::find_method_handle_invoker(name,
+ methodHandle result = SystemDictionary::find_method_handle_invoker(
+ name,
full_signature,
- current_klass,
+ link_info.current_klass(),
&appendix,
&method_type,
- CHECK);
+ CHECK_NULL);
if (TraceMethodHandles) {
tty->print("lookup_polymorphic_method => (via Java) ");
result->print_on(tty);
@@ -423,7 +486,7 @@
ResourceMark rm(THREAD);
TempNewSymbol basic_signature =
- MethodHandles::lookup_basic_type_signature(full_signature, CHECK);
+ MethodHandles::lookup_basic_type_signature(full_signature, CHECK_NULL);
int actual_size_of_params = result->size_of_parameters();
int expected_size_of_params = ArgumentSizeComputer(basic_signature).size();
// +1 for MethodHandle.this, +1 for trailing MethodType
@@ -441,16 +504,17 @@
assert(appendix_result_or_null != NULL, "");
(*appendix_result_or_null) = appendix;
(*method_type_result) = method_type;
- return;
}
+ return result;
}
}
+ return NULL;
}
void LinkResolver::check_method_accessability(KlassHandle ref_klass,
KlassHandle resolved_klass,
KlassHandle sel_klass,
- methodHandle sel_method,
+ const methodHandle& sel_method,
TRAPS) {
AccessFlags flags = sel_method->access_flags();
@@ -493,8 +557,8 @@
}
}
-void LinkResolver::resolve_method_statically(methodHandle& resolved_method, KlassHandle& resolved_klass,
- Bytecodes::Code code, constantPoolHandle pool, int index, TRAPS) {
+methodHandle LinkResolver::resolve_method_statically(Bytecodes::Code code,
+ constantPoolHandle pool, int index, TRAPS) {
// This method is used only
// (1) in C2 from InlineTree::ok_to_inline (via ciMethod::check_call),
// and
@@ -502,49 +566,108 @@
// It appears to fail when applied to an invokeinterface call site.
// FIXME: Remove this method and ciMethod::check_call; refactor to use the other LinkResolver entry points.
// resolve klass
+ KlassHandle resolved_klass;
if (code == Bytecodes::_invokedynamic) {
resolved_klass = SystemDictionary::MethodHandle_klass();
Symbol* method_name = vmSymbols::invoke_name();
Symbol* method_signature = pool->signature_ref_at(index);
KlassHandle current_klass(THREAD, pool->pool_holder());
- resolve_method(resolved_method, resolved_klass, method_name, method_signature, current_klass, true, false, CHECK);
- return;
+ LinkInfo link_info(resolved_klass, method_name, method_signature, current_klass);
+ return resolve_method(link_info, /*require_methodref*/false, THREAD);
}
- resolve_klass(resolved_klass, pool, index, CHECK);
-
- Symbol* method_name = pool->name_ref_at(index);
- Symbol* method_signature = pool->signature_ref_at(index);
- KlassHandle current_klass(THREAD, pool->pool_holder());
+ LinkInfo link_info(pool, index, CHECK_NULL);
+ resolved_klass = link_info.resolved_klass();
if (pool->has_preresolution()
|| (resolved_klass() == SystemDictionary::MethodHandle_klass() &&
- MethodHandles::is_signature_polymorphic_name(resolved_klass(), method_name))) {
- Method* result_oop = ConstantPool::method_at_if_loaded(pool, index);
- if (result_oop != NULL) {
- resolved_method = methodHandle(THREAD, result_oop);
- return;
+ MethodHandles::is_signature_polymorphic_name(resolved_klass(), link_info.name()))) {
+ Method* result = ConstantPool::method_at_if_loaded(pool, index);
+ if (result != NULL) {
+ return methodHandle(THREAD, result);
}
}
if (code == Bytecodes::_invokeinterface) {
- resolve_interface_method(resolved_method, resolved_klass, method_name, method_signature, current_klass, true, true, CHECK);
+ return resolve_interface_method(link_info, true, THREAD);
} else if (code == Bytecodes::_invokevirtual) {
- resolve_method(resolved_method, resolved_klass, method_name, method_signature, current_klass, true, true, CHECK);
+ return resolve_method(link_info, /*require_methodref*/true, THREAD);
} else if (!resolved_klass->is_interface()) {
- resolve_method(resolved_method, resolved_klass, method_name, method_signature, current_klass, true, false, CHECK);
+ return resolve_method(link_info, /*require_methodref*/false, THREAD);
} else {
bool nostatics = (code == Bytecodes::_invokestatic) ? false : true;
- resolve_interface_method(resolved_method, resolved_klass, method_name, method_signature, current_klass, true, nostatics, CHECK);
+ return resolve_interface_method(link_info, nostatics, THREAD);
}
}
-void LinkResolver::resolve_method(methodHandle& resolved_method, KlassHandle resolved_klass,
- Symbol* method_name, Symbol* method_signature,
- KlassHandle current_klass, bool check_access,
- bool require_methodref, TRAPS) {
+// Check and print a loader constraint violation message for method or interface method
+void LinkResolver::check_method_loader_constraints(const LinkInfo& link_info,
+ const methodHandle& resolved_method,
+ const char* method_type, TRAPS) {
+ Handle current_loader(THREAD, link_info.current_klass()->class_loader());
+ Handle resolved_loader(THREAD, resolved_method->method_holder()->class_loader());
+
+ ResourceMark rm(THREAD);
+ Symbol* failed_type_symbol =
+ SystemDictionary::check_signature_loaders(link_info.signature(), current_loader,
+ resolved_loader, true, CHECK);
+ if (failed_type_symbol != NULL) {
+ const char* msg = "loader constraint violation: when resolving %s"
+ " \"%s\" the class loader (instance of %s) of the current class, %s,"
+ " and the class loader (instance of %s) for the method's defining class, %s, have"
+ " different Class objects for the type %s used in the signature";
+ char* sig = link_info.method_string();
+ const char* loader1_name = SystemDictionary::loader_name(current_loader());
+ char* current = link_info.current_klass()->name()->as_C_string();
+ const char* loader2_name = SystemDictionary::loader_name(resolved_loader());
+ char* target = resolved_method->method_holder()->name()->as_C_string();
+ char* failed_type_name = failed_type_symbol->as_C_string();
+ size_t buflen = strlen(msg) + strlen(sig) + strlen(loader1_name) +
+ strlen(current) + strlen(loader2_name) + strlen(target) +
+ strlen(failed_type_name) + strlen(method_type) + 1;
+ char* buf = NEW_RESOURCE_ARRAY_IN_THREAD(THREAD, char, buflen);
+ jio_snprintf(buf, buflen, msg, method_type, sig, loader1_name, current, loader2_name,
+ target, failed_type_name);
+ THROW_MSG(vmSymbols::java_lang_LinkageError(), buf);
+ }
+}
+
+void LinkResolver::check_field_loader_constraints(Symbol* field, Symbol* sig,
+ KlassHandle current_klass,
+ KlassHandle sel_klass, TRAPS) {
+ Handle ref_loader(THREAD, current_klass->class_loader());
+ Handle sel_loader(THREAD, sel_klass->class_loader());
+
+ ResourceMark rm(THREAD); // needed for check_signature_loaders
+ Symbol* failed_type_symbol =
+ SystemDictionary::check_signature_loaders(sig,
+ ref_loader, sel_loader,
+ false,
+ CHECK);
+ if (failed_type_symbol != NULL) {
+ const char* msg = "loader constraint violation: when resolving field"
+ " \"%s\" the class loader (instance of %s) of the referring class, "
+ "%s, and the class loader (instance of %s) for the field's resolved "
+ "type, %s, have different Class objects for that type";
+ char* field_name = field->as_C_string();
+ const char* loader1_name = SystemDictionary::loader_name(ref_loader());
+ char* sel = sel_klass->name()->as_C_string();
+ const char* loader2_name = SystemDictionary::loader_name(sel_loader());
+ char* failed_type_name = failed_type_symbol->as_C_string();
+ size_t buflen = strlen(msg) + strlen(field_name) + strlen(loader1_name) +
+ strlen(sel) + strlen(loader2_name) + strlen(failed_type_name) + 1;
+ char* buf = NEW_RESOURCE_ARRAY_IN_THREAD(THREAD, char, buflen);
+ jio_snprintf(buf, buflen, msg, field_name, loader1_name, sel, loader2_name,
+ failed_type_name);
+ THROW_MSG(vmSymbols::java_lang_LinkageError(), buf);
+ }
+}
+
+methodHandle LinkResolver::resolve_method(const LinkInfo& link_info,
+ bool require_methodref, TRAPS) {
Handle nested_exception;
+ KlassHandle resolved_klass = link_info.resolved_klass();
// 1. check if methodref required, that resolved_klass is not interfacemethodref
if (require_methodref && resolved_klass->is_interface()) {
@@ -552,20 +675,19 @@
char buf[200];
jio_snprintf(buf, sizeof(buf), "Found interface %s, but class was expected",
resolved_klass()->external_name());
- THROW_MSG(vmSymbols::java_lang_IncompatibleClassChangeError(), buf);
+ THROW_MSG_NULL(vmSymbols::java_lang_IncompatibleClassChangeError(), buf);
}
// 2. lookup method in resolved klass and its super klasses
- lookup_method_in_klasses(resolved_method, resolved_klass, method_name, method_signature, true, false, CHECK);
+ methodHandle resolved_method = lookup_method_in_klasses(link_info, true, false, CHECK_NULL);
if (resolved_method.is_null() && !resolved_klass->oop_is_array()) { // not found in the class hierarchy
// 3. lookup method in all the interfaces implemented by the resolved klass
- lookup_method_in_interfaces(resolved_method, resolved_klass, method_name, method_signature, CHECK);
+ resolved_method = lookup_method_in_interfaces(link_info, CHECK_NULL);
if (resolved_method.is_null()) {
// JSR 292: see if this is an implicitly generated method MethodHandle.linkToVirtual(*...), etc
- lookup_polymorphic_method(resolved_method, resolved_klass, method_name, method_signature,
- current_klass, (Handle*)NULL, (Handle*)NULL, THREAD);
+ resolved_method = lookup_polymorphic_method(link_info, (Handle*)NULL, (Handle*)NULL, THREAD);
if (HAS_PENDING_EXCEPTION) {
nested_exception = Handle(THREAD, PENDING_EXCEPTION);
CLEAR_PENDING_EXCEPTION;
@@ -576,15 +698,16 @@
if (resolved_method.is_null()) {
// 4. method lookup failed
ResourceMark rm(THREAD);
- THROW_MSG_CAUSE(vmSymbols::java_lang_NoSuchMethodError(),
+ THROW_MSG_CAUSE_(vmSymbols::java_lang_NoSuchMethodError(),
Method::name_and_sig_as_C_string(resolved_klass(),
- method_name,
- method_signature),
- nested_exception);
+ link_info.name(),
+ link_info.signature()),
+ nested_exception, NULL);
}
// 5. access checks, access checking may be turned off when calling from within the VM.
- if (check_access) {
+ KlassHandle current_klass = link_info.current_klass();
+ if (link_info.check_access()) {
assert(current_klass.not_null() , "current_klass should not be null");
// check if method can be accessed by the referring class
@@ -592,76 +715,50 @@
resolved_klass,
KlassHandle(THREAD, resolved_method->method_holder()),
resolved_method,
- CHECK);
+ CHECK_NULL);
// check loader constraints
- Handle loader (THREAD, InstanceKlass::cast(current_klass())->class_loader());
- Handle class_loader (THREAD, resolved_method->method_holder()->class_loader());
- {
- ResourceMark rm(THREAD);
- Symbol* failed_type_symbol =
- SystemDictionary::check_signature_loaders(method_signature, loader,
- class_loader, true, CHECK);
- if (failed_type_symbol != NULL) {
- const char* msg = "loader constraint violation: when resolving method"
- " \"%s\" the class loader (instance of %s) of the current class, %s,"
- " and the class loader (instance of %s) for the method's defining class, %s, have"
- " different Class objects for the type %s used in the signature";
- char* sig = Method::name_and_sig_as_C_string(resolved_klass(),method_name,method_signature);
- const char* loader1 = SystemDictionary::loader_name(loader());
- char* current = InstanceKlass::cast(current_klass())->name()->as_C_string();
- const char* loader2 = SystemDictionary::loader_name(class_loader());
- char* target = InstanceKlass::cast(resolved_method->method_holder())
- ->name()->as_C_string();
- char* failed_type_name = failed_type_symbol->as_C_string();
- size_t buflen = strlen(msg) + strlen(sig) + strlen(loader1) +
- strlen(current) + strlen(loader2) + strlen(target) +
- strlen(failed_type_name) + 1;
- char* buf = NEW_RESOURCE_ARRAY_IN_THREAD(THREAD, char, buflen);
- jio_snprintf(buf, buflen, msg, sig, loader1, current, loader2,
- target, failed_type_name);
- THROW_MSG(vmSymbols::java_lang_LinkageError(), buf);
- }
- }
+ check_method_loader_constraints(link_info, resolved_method, "method", CHECK_NULL);
}
+
+ return resolved_method;
}
-void LinkResolver::resolve_interface_method(methodHandle& resolved_method,
- KlassHandle resolved_klass,
- Symbol* method_name,
- Symbol* method_signature,
- KlassHandle current_klass,
- bool check_access,
- bool nostatics, TRAPS) {
+methodHandle LinkResolver::resolve_interface_method(const LinkInfo& link_info,
+ bool nostatics, TRAPS) {
+
+ KlassHandle resolved_klass = link_info.resolved_klass();
// check if klass is interface
if (!resolved_klass->is_interface()) {
ResourceMark rm(THREAD);
char buf[200];
jio_snprintf(buf, sizeof(buf), "Found class %s, but interface was expected", resolved_klass()->external_name());
- THROW_MSG(vmSymbols::java_lang_IncompatibleClassChangeError(), buf);
+ THROW_MSG_NULL(vmSymbols::java_lang_IncompatibleClassChangeError(), buf);
}
// lookup method in this interface or its super, java.lang.Object
// JDK8: also look for static methods
- lookup_method_in_klasses(resolved_method, resolved_klass, method_name, method_signature, false, true, CHECK);
+ methodHandle resolved_method = lookup_method_in_klasses(link_info, false, true, CHECK_NULL);
if (resolved_method.is_null() && !resolved_klass->oop_is_array()) {
// lookup method in all the super-interfaces
- lookup_method_in_interfaces(resolved_method, resolved_klass, method_name, method_signature, CHECK);
+ resolved_method = lookup_method_in_interfaces(link_info, CHECK_NULL);
}
if (resolved_method.is_null()) {
// no method found
ResourceMark rm(THREAD);
- THROW_MSG(vmSymbols::java_lang_NoSuchMethodError(),
- Method::name_and_sig_as_C_string(resolved_klass(),
- method_name,
- method_signature));
+ THROW_MSG_NULL(vmSymbols::java_lang_NoSuchMethodError(),
+ Method::name_and_sig_as_C_string(resolved_klass(),
+ link_info.name(),
+ link_info.signature()));
}
- if (check_access) {
+ if (link_info.check_access()) {
// JDK8 adds non-public interface methods, and accessability check requirement
+ KlassHandle current_klass = link_info.current_klass();
+
assert(current_klass.not_null() , "current_klass should not be null");
// check if method can be accessed by the referring class
@@ -669,38 +766,9 @@
resolved_klass,
KlassHandle(THREAD, resolved_method->method_holder()),
resolved_method,
- CHECK);
+ CHECK_NULL);
- HandleMark hm(THREAD);
- Handle loader (THREAD, InstanceKlass::cast(current_klass())->class_loader());
- Handle class_loader (THREAD, resolved_method->method_holder()->class_loader());
- {
- ResourceMark rm(THREAD);
- Symbol* failed_type_symbol =
- SystemDictionary::check_signature_loaders(method_signature, loader,
- class_loader, true, CHECK);
- if (failed_type_symbol != NULL) {
- const char* msg = "loader constraint violation: when resolving "
- "interface method \"%s\" the class loader (instance of %s) of the "
- "current class, %s, and the class loader (instance of %s) for "
- "the method's defining class, %s, have different Class objects for the type %s "
- "used in the signature";
- char* sig = Method::name_and_sig_as_C_string(resolved_klass(),method_name,method_signature);
- const char* loader1 = SystemDictionary::loader_name(loader());
- char* current = InstanceKlass::cast(current_klass())->name()->as_C_string();
- const char* loader2 = SystemDictionary::loader_name(class_loader());
- char* target = InstanceKlass::cast(resolved_method->method_holder())
- ->name()->as_C_string();
- char* failed_type_name = failed_type_symbol->as_C_string();
- size_t buflen = strlen(msg) + strlen(sig) + strlen(loader1) +
- strlen(current) + strlen(loader2) + strlen(target) +
- strlen(failed_type_name) + 1;
- char* buf = NEW_RESOURCE_ARRAY_IN_THREAD(THREAD, char, buflen);
- jio_snprintf(buf, buflen, msg, sig, loader1, current, loader2,
- target, failed_type_name);
- THROW_MSG(vmSymbols::java_lang_LinkageError(), buf);
- }
- }
+ check_method_loader_constraints(link_info, resolved_method, "interface method", CHECK_NULL);
}
if (nostatics && resolved_method->is_static()) {
@@ -709,28 +777,16 @@
jio_snprintf(buf, sizeof(buf), "Expected instance not static method %s",
Method::name_and_sig_as_C_string(resolved_klass(),
resolved_method->name(), resolved_method->signature()));
- THROW_MSG(vmSymbols::java_lang_IncompatibleClassChangeError(), buf);
+ THROW_MSG_NULL(vmSymbols::java_lang_IncompatibleClassChangeError(), buf);
}
if (TraceItables && Verbose) {
- ResourceMark rm(THREAD);
- tty->print("invokeinterface resolved method: caller-class:%s, compile-time-class:%s, method:%s, method_holder:%s, access_flags: ",
- (current_klass.is_null() ? "<NULL>" : current_klass->internal_name()),
- (resolved_klass.is_null() ? "<NULL>" : resolved_klass->internal_name()),
- Method::name_and_sig_as_C_string(resolved_klass(),
- resolved_method->name(),
- resolved_method->signature()),
- resolved_method->method_holder()->internal_name()
- );
- resolved_method->access_flags().print_on(tty);
- if (resolved_method->is_default_method()) {
- tty->print("default ");
- }
- if (resolved_method->is_overpass()) {
- tty->print("overpass");
- }
+ trace_method_resolution("invokeinterface resolved method: caller-class",
+ link_info.current_klass(), resolved_klass, resolved_method);
tty->cr();
}
+
+ return resolved_method;
}
//------------------------------------------------------------------------------------------------------------------------
@@ -739,7 +795,7 @@
void LinkResolver::check_field_accessability(KlassHandle ref_klass,
KlassHandle resolved_klass,
KlassHandle sel_klass,
- fieldDescriptor& fd,
+ const fieldDescriptor& fd,
TRAPS) {
if (!Reflection::verify_field_access(ref_klass(),
resolved_klass(),
@@ -759,30 +815,27 @@
}
}
-void LinkResolver::resolve_field_access(fieldDescriptor& result, constantPoolHandle pool, int index, Bytecodes::Code byte, TRAPS) {
- // Load these early in case the resolve of the containing klass fails
- Symbol* field = pool->name_ref_at(index);
- Symbol* sig = pool->signature_ref_at(index);
-
- // resolve specified klass
- KlassHandle resolved_klass;
- resolve_klass(resolved_klass, pool, index, CHECK);
-
- KlassHandle current_klass(THREAD, pool->pool_holder());
- resolve_field(result, resolved_klass, field, sig, current_klass, byte, true, true, CHECK);
+void LinkResolver::resolve_field_access(fieldDescriptor& fd, constantPoolHandle pool, int index, Bytecodes::Code byte, TRAPS) {
+ LinkInfo link_info(pool, index, CHECK);
+ resolve_field(fd, link_info, byte, true, CHECK);
}
-void LinkResolver::resolve_field(fieldDescriptor& fd, KlassHandle resolved_klass, Symbol* field, Symbol* sig,
- KlassHandle current_klass, Bytecodes::Code byte, bool check_access, bool initialize_class,
+void LinkResolver::resolve_field(fieldDescriptor& fd,
+ const LinkInfo& link_info,
+ Bytecodes::Code byte, bool initialize_class,
TRAPS) {
assert(byte == Bytecodes::_getstatic || byte == Bytecodes::_putstatic ||
byte == Bytecodes::_getfield || byte == Bytecodes::_putfield ||
byte == Bytecodes::_nofast_getfield || byte == Bytecodes::_nofast_putfield ||
- (byte == Bytecodes::_nop && !check_access), "bad field access bytecode");
+ (byte == Bytecodes::_nop && !link_info.check_access()), "bad field access bytecode");
bool is_static = (byte == Bytecodes::_getstatic || byte == Bytecodes::_putstatic);
bool is_put = (byte == Bytecodes::_putfield || byte == Bytecodes::_putstatic || byte == Bytecodes::_nofast_putfield);
// Check if there's a resolved klass containing the field
+ KlassHandle resolved_klass = link_info.resolved_klass();
+ Symbol* field = link_info.name();
+ Symbol* sig = link_info.signature();
+
if (resolved_klass.is_null()) {
ResourceMark rm(THREAD);
THROW_MSG(vmSymbols::java_lang_NoSuchFieldError(), field->as_C_string());
@@ -796,11 +849,12 @@
THROW_MSG(vmSymbols::java_lang_NoSuchFieldError(), field->as_C_string());
}
- if (!check_access)
+ if (!link_info.check_access())
// Access checking may be turned off when calling from within the VM.
return;
// check access
+ KlassHandle current_klass = link_info.current_klass();
check_field_accessability(current_klass, resolved_klass, sel_klass, fd, CHECK);
// check for errors
@@ -827,34 +881,7 @@
}
if (sel_klass() != current_klass()) {
- HandleMark hm(THREAD);
- Handle ref_loader (THREAD, InstanceKlass::cast(current_klass())->class_loader());
- Handle sel_loader (THREAD, InstanceKlass::cast(sel_klass())->class_loader());
- {
- ResourceMark rm(THREAD);
- Symbol* failed_type_symbol =
- SystemDictionary::check_signature_loaders(sig,
- ref_loader, sel_loader,
- false,
- CHECK);
- if (failed_type_symbol != NULL) {
- const char* msg = "loader constraint violation: when resolving field"
- " \"%s\" the class loader (instance of %s) of the referring class, "
- "%s, and the class loader (instance of %s) for the field's resolved "
- "type, %s, have different Class objects for that type";
- char* field_name = field->as_C_string();
- const char* loader1 = SystemDictionary::loader_name(ref_loader());
- char* sel = InstanceKlass::cast(sel_klass())->name()->as_C_string();
- const char* loader2 = SystemDictionary::loader_name(sel_loader());
- char* failed_type_name = failed_type_symbol->as_C_string();
- size_t buflen = strlen(msg) + strlen(field_name) + strlen(loader1) +
- strlen(sel) + strlen(loader2) + strlen(failed_type_name) + 1;
- char* buf = NEW_RESOURCE_ARRAY_IN_THREAD(THREAD, char, buflen);
- jio_snprintf(buf, buflen, msg, field_name, loader1, sel, loader2,
- failed_type_name);
- THROW_MSG(vmSymbols::java_lang_LinkageError(), buf);
- }
- }
+ check_field_loader_constraints(field, sig, current_klass, sel_klass, CHECK);
}
// return information. note that the klass is set to the actual klass containing the
@@ -873,32 +900,38 @@
// recv_klass the receiver klass
-void LinkResolver::resolve_static_call(CallInfo& result, KlassHandle& resolved_klass, Symbol* method_name,
- Symbol* method_signature, KlassHandle current_klass,
- bool check_access, bool initialize_class, TRAPS) {
- methodHandle resolved_method;
- linktime_resolve_static_method(resolved_method, resolved_klass, method_name, method_signature, current_klass, check_access, CHECK);
- resolved_klass = KlassHandle(THREAD, resolved_method->method_holder());
+void LinkResolver::resolve_static_call(CallInfo& result,
+ const LinkInfo& link_info,
+ bool initialize_class, TRAPS) {
+ methodHandle resolved_method = linktime_resolve_static_method(link_info, CHECK);
+ // The resolved class can change as a result of this resolution.
+ KlassHandle resolved_klass = KlassHandle(THREAD, resolved_method->method_holder());
+
+ Method* save_resolved_method = resolved_method();
// Initialize klass (this should only happen if everything is ok)
if (initialize_class && resolved_klass->should_be_initialized()) {
resolved_klass->initialize(CHECK);
- linktime_resolve_static_method(resolved_method, resolved_klass, method_name, method_signature, current_klass, check_access, CHECK);
+ // Use updated LinkInfo (to reresolve with resolved_klass as method_holder?)
+ LinkInfo new_info(resolved_klass, link_info.name(), link_info.signature(),
+ link_info.current_klass(), link_info.check_access());
+ resolved_method = linktime_resolve_static_method(new_info, CHECK);
}
+ assert(save_resolved_method == resolved_method(), "does this change?");
// setup result
result.set_static(resolved_klass, resolved_method, CHECK);
}
// throws linktime exceptions
-void LinkResolver::linktime_resolve_static_method(methodHandle& resolved_method, KlassHandle resolved_klass,
- Symbol* method_name, Symbol* method_signature,
- KlassHandle current_klass, bool check_access, TRAPS) {
+methodHandle LinkResolver::linktime_resolve_static_method(const LinkInfo& link_info, TRAPS) {
+ KlassHandle resolved_klass = link_info.resolved_klass();
+ methodHandle resolved_method;
if (!resolved_klass->is_interface()) {
- resolve_method(resolved_method, resolved_klass, method_name, method_signature, current_klass, check_access, false, CHECK);
+ resolved_method = resolve_method(link_info, /*require_methodref*/false, CHECK_NULL);
} else {
- resolve_interface_method(resolved_method, resolved_klass, method_name, method_signature, current_klass, check_access, false, CHECK);
+ resolved_method = resolve_interface_method(link_info, /*nostatics*/false, CHECK_NULL);
}
assert(resolved_method->name() != vmSymbols::class_initializer_name(), "should have been checked in verifier");
@@ -909,22 +942,25 @@
jio_snprintf(buf, sizeof(buf), "Expected static method %s", Method::name_and_sig_as_C_string(resolved_klass(),
resolved_method->name(),
resolved_method->signature()));
- THROW_MSG(vmSymbols::java_lang_IncompatibleClassChangeError(), buf);
+ THROW_MSG_NULL(vmSymbols::java_lang_IncompatibleClassChangeError(), buf);
}
+ return resolved_method;
}
-void LinkResolver::resolve_special_call(CallInfo& result, KlassHandle resolved_klass, Symbol* method_name,
- Symbol* method_signature, KlassHandle current_klass, bool check_access, TRAPS) {
- methodHandle resolved_method;
- linktime_resolve_special_method(resolved_method, resolved_klass, method_name, method_signature, current_klass, check_access, CHECK);
- runtime_resolve_special_method(result, resolved_method, resolved_klass, current_klass, check_access, CHECK);
+void LinkResolver::resolve_special_call(CallInfo& result,
+ const LinkInfo& link_info,
+ TRAPS) {
+ methodHandle resolved_method = linktime_resolve_special_method(link_info, CHECK);
+ runtime_resolve_special_method(result, resolved_method,
+ link_info.resolved_klass(),
+ link_info.current_klass(),
+ link_info.check_access(), CHECK);
}
// throws linktime exceptions
-void LinkResolver::linktime_resolve_special_method(methodHandle& resolved_method, KlassHandle resolved_klass,
- Symbol* method_name, Symbol* method_signature,
- KlassHandle current_klass, bool check_access, TRAPS) {
+methodHandle LinkResolver::linktime_resolve_special_method(const LinkInfo& link_info,
+ TRAPS) {
// Invokespecial is called for multiple special reasons:
// <init>
@@ -932,11 +968,13 @@
// superclass.method, which can also resolve to a default method
// and the selected method is recalculated relative to the direct superclass
// superinterface.method, which explicitly does not check shadowing
+ KlassHandle resolved_klass = link_info.resolved_klass();
+ methodHandle resolved_method;
if (!resolved_klass->is_interface()) {
- resolve_method(resolved_method, resolved_klass, method_name, method_signature, current_klass, check_access, false, CHECK);
+ resolved_method = resolve_method(link_info, /*require_methodref*/false, CHECK_NULL);
} else {
- resolve_interface_method(resolved_method, resolved_klass, method_name, method_signature, current_klass, check_access, true, CHECK);
+ resolved_method = resolve_interface_method(link_info, /*nostatics*/true, CHECK_NULL);
}
// check if method name is <init>, that it is found in same klass as static type
@@ -951,10 +989,11 @@
resolved_method->name()->as_C_string(),
resolved_method->signature()->as_C_string()
);
- return;
+ return NULL;
}
// check if invokespecial's interface method reference is in an indirect superinterface
+ KlassHandle current_klass = link_info.current_klass();
if (!current_klass.is_null() && resolved_klass->is_interface()) {
Klass *klass_to_check = !InstanceKlass::cast(current_klass())->is_anonymous() ?
current_klass() :
@@ -973,7 +1012,7 @@
resolved_method->name(),
resolved_method->signature()),
current_klass->external_name());
- THROW_MSG(vmSymbols::java_lang_IncompatibleClassChangeError(), buf);
+ THROW_MSG_NULL(vmSymbols::java_lang_IncompatibleClassChangeError(), buf);
}
}
@@ -984,35 +1023,26 @@
jio_snprintf(buf, sizeof(buf),
"Expecting non-static method %s",
Method::name_and_sig_as_C_string(resolved_klass(),
- resolved_method->name(),
- resolved_method->signature()));
- THROW_MSG(vmSymbols::java_lang_IncompatibleClassChangeError(), buf);
+ resolved_method->name(),
+ resolved_method->signature()));
+ THROW_MSG_NULL(vmSymbols::java_lang_IncompatibleClassChangeError(), buf);
}
if (TraceItables && Verbose) {
- ResourceMark rm(THREAD);
- tty->print("invokespecial resolved method: caller-class:%s, compile-time-class:%s, method:%s, method_holder:%s, access_flags: ",
- (current_klass.is_null() ? "<NULL>" : current_klass->internal_name()),
- (resolved_klass.is_null() ? "<NULL>" : resolved_klass->internal_name()),
- Method::name_and_sig_as_C_string(resolved_klass(),
- resolved_method->name(),
- resolved_method->signature()),
- resolved_method->method_holder()->internal_name()
- );
- resolved_method->access_flags().print_on(tty);
- if (resolved_method->is_default_method()) {
- tty->print("default ");
- }
- if (resolved_method->is_overpass()) {
- tty->print("overpass");
- }
+ trace_method_resolution("invokespecial resolved method: caller-class:",
+ current_klass, resolved_klass, resolved_method);
tty->cr();
}
+
+ return resolved_method;
}
// throws runtime exceptions
-void LinkResolver::runtime_resolve_special_method(CallInfo& result, methodHandle resolved_method, KlassHandle resolved_klass,
- KlassHandle current_klass, bool check_access, TRAPS) {
+void LinkResolver::runtime_resolve_special_method(CallInfo& result,
+ const methodHandle& resolved_method,
+ KlassHandle resolved_klass,
+ KlassHandle current_klass,
+ bool check_access, TRAPS) {
// resolved method is selected method unless we have an old-style lookup
// for a superclass method
@@ -1037,7 +1067,7 @@
resolved_method->name() != vmSymbols::object_initializer_name()) {
// Lookup super method
KlassHandle super_klass(THREAD, current_klass->super());
- lookup_instance_method_in_klasses(sel_method, super_klass,
+ sel_method = lookup_instance_method_in_klasses(super_klass,
resolved_method->name(),
resolved_method->signature(), CHECK);
// check if found
@@ -1066,26 +1096,13 @@
ResourceMark rm(THREAD);
THROW_MSG(vmSymbols::java_lang_AbstractMethodError(),
Method::name_and_sig_as_C_string(resolved_klass(),
- sel_method->name(),
- sel_method->signature()));
+ sel_method->name(),
+ sel_method->signature()));
}
if (TraceItables && Verbose) {
- ResourceMark rm(THREAD);
- tty->print("invokespecial selected method: resolved-class:%s, method:%s, method_holder:%s, access_flags: ",
- (resolved_klass.is_null() ? "<NULL>" : resolved_klass->internal_name()),
- Method::name_and_sig_as_C_string(resolved_klass(),
- sel_method->name(),
- sel_method->signature()),
- sel_method->method_holder()->internal_name()
- );
- sel_method->access_flags().print_on(tty);
- if (sel_method->is_default_method()) {
- tty->print("default ");
- }
- if (sel_method->is_overpass()) {
- tty->print("overpass");
- }
+ trace_method_resolution("invokespecial selected method: resolved-class:",
+ resolved_klass, resolved_klass, sel_method);
tty->cr();
}
@@ -1093,25 +1110,29 @@
result.set_static(resolved_klass, sel_method, CHECK);
}
-void LinkResolver::resolve_virtual_call(CallInfo& result, Handle recv, KlassHandle receiver_klass, KlassHandle resolved_klass,
- Symbol* method_name, Symbol* method_signature, KlassHandle current_klass,
- bool check_access, bool check_null_and_abstract, TRAPS) {
- methodHandle resolved_method;
- linktime_resolve_virtual_method(resolved_method, resolved_klass, method_name, method_signature, current_klass, check_access, CHECK);
- runtime_resolve_virtual_method(result, resolved_method, resolved_klass, recv, receiver_klass, check_null_and_abstract, CHECK);
+void LinkResolver::resolve_virtual_call(CallInfo& result, Handle recv, KlassHandle receiver_klass,
+ const LinkInfo& link_info,
+ bool check_null_and_abstract, TRAPS) {
+ methodHandle resolved_method = linktime_resolve_virtual_method(link_info, CHECK);
+ runtime_resolve_virtual_method(result, resolved_method,
+ link_info.resolved_klass(),
+ recv, receiver_klass,
+ check_null_and_abstract, CHECK);
}
// throws linktime exceptions
-void LinkResolver::linktime_resolve_virtual_method(methodHandle &resolved_method, KlassHandle resolved_klass,
- Symbol* method_name, Symbol* method_signature,
- KlassHandle current_klass, bool check_access, TRAPS) {
+methodHandle LinkResolver::linktime_resolve_virtual_method(const LinkInfo& link_info,
+ TRAPS) {
// normal method resolution
- resolve_method(resolved_method, resolved_klass, method_name, method_signature, current_klass, check_access, true, CHECK);
+ methodHandle resolved_method = resolve_method(link_info, /*require_methodref*/true, CHECK_NULL);
assert(resolved_method->name() != vmSymbols::object_initializer_name(), "should have been checked in verifier");
assert(resolved_method->name() != vmSymbols::class_initializer_name (), "should have been checked in verifier");
// check if private interface method
+ KlassHandle resolved_klass = link_info.resolved_klass();
+ KlassHandle current_klass = link_info.current_klass();
+
if (resolved_klass->is_interface() && resolved_method->is_private()) {
ResourceMark rm(THREAD);
char buf[200];
@@ -1120,7 +1141,7 @@
resolved_method->name(),
resolved_method->signature()),
(current_klass.is_null() ? "<NULL>" : current_klass->internal_name()));
- THROW_MSG(vmSymbols::java_lang_IncompatibleClassChangeError(), buf);
+ THROW_MSG_NULL(vmSymbols::java_lang_IncompatibleClassChangeError(), buf);
}
// check if not static
@@ -1130,33 +1151,21 @@
jio_snprintf(buf, sizeof(buf), "Expecting non-static method %s", Method::name_and_sig_as_C_string(resolved_klass(),
resolved_method->name(),
resolved_method->signature()));
- THROW_MSG(vmSymbols::java_lang_IncompatibleClassChangeError(), buf);
+ THROW_MSG_NULL(vmSymbols::java_lang_IncompatibleClassChangeError(), buf);
}
if (PrintVtables && Verbose) {
- ResourceMark rm(THREAD);
- tty->print("invokevirtual resolved method: caller-class:%s, compile-time-class:%s, method:%s, method_holder:%s, access_flags: ",
- (current_klass.is_null() ? "<NULL>" : current_klass->internal_name()),
- (resolved_klass.is_null() ? "<NULL>" : resolved_klass->internal_name()),
- Method::name_and_sig_as_C_string(resolved_klass(),
- resolved_method->name(),
- resolved_method->signature()),
- resolved_method->method_holder()->internal_name()
- );
- resolved_method->access_flags().print_on(tty);
- if (resolved_method->is_default_method()) {
- tty->print("default ");
- }
- if (resolved_method->is_overpass()) {
- tty->print("overpass");
- }
+ trace_method_resolution("invokevirtual resolved method: caller-class:",
+ current_klass, resolved_klass, resolved_method);
tty->cr();
}
+
+ return resolved_method;
}
// throws runtime exceptions
void LinkResolver::runtime_resolve_virtual_method(CallInfo& result,
- methodHandle resolved_method,
+ const methodHandle& resolved_method,
KlassHandle resolved_klass,
Handle recv,
KlassHandle recv_klass,
@@ -1227,50 +1236,40 @@
}
if (PrintVtables && Verbose) {
- ResourceMark rm(THREAD);
- tty->print("invokevirtual selected method: receiver-class:%s, resolved-class:%s, method:%s, method_holder:%s, vtable_index:%d, access_flags: ",
- (recv_klass.is_null() ? "<NULL>" : recv_klass->internal_name()),
- (resolved_klass.is_null() ? "<NULL>" : resolved_klass->internal_name()),
- Method::name_and_sig_as_C_string(resolved_klass(),
- resolved_method->name(),
- resolved_method->signature()),
- selected_method->method_holder()->internal_name(),
- vtable_index
- );
- selected_method->access_flags().print_on(tty);
- if (selected_method->is_default_method()) {
- tty->print("default ");
- }
- if (selected_method->is_overpass()) {
- tty->print("overpass");
- }
- tty->cr();
+ trace_method_resolution("invokevirtual selected method: receiver-class:",
+ recv_klass, resolved_klass, selected_method);
+ tty->print_cr("vtable_index:%d", vtable_index);
}
// setup result
result.set_virtual(resolved_klass, recv_klass, resolved_method, selected_method, vtable_index, CHECK);
}
-void LinkResolver::resolve_interface_call(CallInfo& result, Handle recv, KlassHandle recv_klass, KlassHandle resolved_klass,
- Symbol* method_name, Symbol* method_signature, KlassHandle current_klass,
- bool check_access, bool check_null_and_abstract, TRAPS) {
- methodHandle resolved_method;
- linktime_resolve_interface_method(resolved_method, resolved_klass, method_name, method_signature, current_klass, check_access, CHECK);
- runtime_resolve_interface_method(result, resolved_method, resolved_klass, recv, recv_klass, check_null_and_abstract, CHECK);
+void LinkResolver::resolve_interface_call(CallInfo& result, Handle recv, KlassHandle recv_klass,
+ const LinkInfo& link_info,
+ bool check_null_and_abstract, TRAPS) {
+ // throws linktime exceptions
+ methodHandle resolved_method = linktime_resolve_interface_method(link_info, CHECK);
+ runtime_resolve_interface_method(result, resolved_method,link_info.resolved_klass(),
+ recv, recv_klass, check_null_and_abstract, CHECK);
}
-// throws linktime exceptions
-void LinkResolver::linktime_resolve_interface_method(methodHandle& resolved_method, KlassHandle resolved_klass, Symbol* method_name,
- Symbol* method_signature, KlassHandle current_klass, bool check_access, TRAPS) {
+methodHandle LinkResolver::linktime_resolve_interface_method(const LinkInfo& link_info,
+ TRAPS) {
// normal interface method resolution
- resolve_interface_method(resolved_method, resolved_klass, method_name, method_signature, current_klass, check_access, true, CHECK);
-
+ methodHandle resolved_method = resolve_interface_method(link_info, true, CHECK_NULL);
assert(resolved_method->name() != vmSymbols::object_initializer_name(), "should have been checked in verifier");
assert(resolved_method->name() != vmSymbols::class_initializer_name (), "should have been checked in verifier");
+
+ return resolved_method;
}
// throws runtime exceptions
-void LinkResolver::runtime_resolve_interface_method(CallInfo& result, methodHandle resolved_method, KlassHandle resolved_klass,
- Handle recv, KlassHandle recv_klass, bool check_null_and_abstract, TRAPS) {
+void LinkResolver::runtime_resolve_interface_method(CallInfo& result,
+ const methodHandle& resolved_method,
+ KlassHandle resolved_klass,
+ Handle recv,
+ KlassHandle recv_klass,
+ bool check_null_and_abstract, TRAPS) {
// check if receiver exists
if (check_null_and_abstract && recv.is_null()) {
THROW(vmSymbols::java_lang_NullPointerException());
@@ -1298,12 +1297,11 @@
}
// do lookup based on receiver klass
- methodHandle sel_method;
// This search must match the linktime preparation search for itable initialization
// to correctly enforce loader constraints for interface method inheritance
- lookup_instance_method_in_klasses(sel_method, recv_klass,
- resolved_method->name(),
- resolved_method->signature(), CHECK);
+ methodHandle sel_method = lookup_instance_method_in_klasses(recv_klass,
+ resolved_method->name(),
+ resolved_method->signature(), CHECK);
if (sel_method.is_null() && !check_null_and_abstract) {
// In theory this is a harmless placeholder value, but
// in practice leaving in null affects the nsk default method tests.
@@ -1314,9 +1312,9 @@
if (sel_method.is_null()) {
ResourceMark rm(THREAD);
THROW_MSG(vmSymbols::java_lang_AbstractMethodError(),
- Method::name_and_sig_as_C_string(recv_klass(),
- resolved_method->name(),
- resolved_method->signature()));
+ Method::name_and_sig_as_C_string(recv_klass(),
+ resolved_method->name(),
+ resolved_method->signature()));
}
// check access
// Throw Illegal Access Error if sel_method is not public.
@@ -1337,22 +1335,8 @@
}
if (TraceItables && Verbose) {
- ResourceMark rm(THREAD);
- tty->print("invokeinterface selected method: receiver-class:%s, resolved-class:%s, method:%s, method_holder:%s, access_flags: ",
- (recv_klass.is_null() ? "<NULL>" : recv_klass->internal_name()),
- (resolved_klass.is_null() ? "<NULL>" : resolved_klass->internal_name()),
- Method::name_and_sig_as_C_string(resolved_klass(),
- resolved_method->name(),
- resolved_method->signature()),
- sel_method->method_holder()->internal_name()
- );
- sel_method->access_flags().print_on(tty);
- if (sel_method->is_default_method()) {
- tty->print("default ");
- }
- if (sel_method->is_overpass()) {
- tty->print("overpass");
- }
+ trace_method_resolution("invokeinterface selected method: receiver-class",
+ recv_klass, resolved_klass, sel_method);
tty->cr();
}
// setup result
@@ -1368,14 +1352,9 @@
methodHandle LinkResolver::linktime_resolve_interface_method_or_null(
- KlassHandle resolved_klass,
- Symbol* method_name,
- Symbol* method_signature,
- KlassHandle current_klass,
- bool check_access) {
+ const LinkInfo& link_info) {
EXCEPTION_MARK;
- methodHandle method_result;
- linktime_resolve_interface_method(method_result, resolved_klass, method_name, method_signature, current_klass, check_access, THREAD);
+ methodHandle method_result = linktime_resolve_interface_method(link_info, THREAD);
if (HAS_PENDING_EXCEPTION) {
CLEAR_PENDING_EXCEPTION;
return methodHandle();
@@ -1385,14 +1364,9 @@
}
methodHandle LinkResolver::linktime_resolve_virtual_method_or_null(
- KlassHandle resolved_klass,
- Symbol* method_name,
- Symbol* method_signature,
- KlassHandle current_klass,
- bool check_access) {
+ const LinkInfo& link_info) {
EXCEPTION_MARK;
- methodHandle method_result;
- linktime_resolve_virtual_method(method_result, resolved_klass, method_name, method_signature, current_klass, check_access, THREAD);
+ methodHandle method_result = linktime_resolve_virtual_method(link_info, THREAD);
if (HAS_PENDING_EXCEPTION) {
CLEAR_PENDING_EXCEPTION;
return methodHandle();
@@ -1403,14 +1377,10 @@
methodHandle LinkResolver::resolve_virtual_call_or_null(
KlassHandle receiver_klass,
- KlassHandle resolved_klass,
- Symbol* name,
- Symbol* signature,
- KlassHandle current_klass,
- bool check_access) {
+ const LinkInfo& link_info) {
EXCEPTION_MARK;
CallInfo info;
- resolve_virtual_call(info, Handle(), receiver_klass, resolved_klass, name, signature, current_klass, check_access, false, THREAD);
+ resolve_virtual_call(info, Handle(), receiver_klass, link_info, false, THREAD);
if (HAS_PENDING_EXCEPTION) {
CLEAR_PENDING_EXCEPTION;
return methodHandle();
@@ -1420,14 +1390,10 @@
methodHandle LinkResolver::resolve_interface_call_or_null(
KlassHandle receiver_klass,
- KlassHandle resolved_klass,
- Symbol* name,
- Symbol* signature,
- KlassHandle current_klass,
- bool check_access) {
+ const LinkInfo& link_info) {
EXCEPTION_MARK;
CallInfo info;
- resolve_interface_call(info, Handle(), receiver_klass, resolved_klass, name, signature, current_klass, check_access, false, THREAD);
+ resolve_interface_call(info, Handle(), receiver_klass, link_info, false, THREAD);
if (HAS_PENDING_EXCEPTION) {
CLEAR_PENDING_EXCEPTION;
return methodHandle();
@@ -1435,15 +1401,12 @@
return info.selected_method();
}
-int LinkResolver::resolve_virtual_vtable_index(
- KlassHandle receiver_klass,
- KlassHandle resolved_klass,
- Symbol* name,
- Symbol* signature,
- KlassHandle current_klass) {
+int LinkResolver::resolve_virtual_vtable_index(KlassHandle receiver_klass,
+ const LinkInfo& link_info) {
EXCEPTION_MARK;
CallInfo info;
- resolve_virtual_call(info, Handle(), receiver_klass, resolved_klass, name, signature, current_klass, true, false, THREAD);
+ resolve_virtual_call(info, Handle(), receiver_klass, link_info,
+ /*check_null_or_abstract*/false, THREAD);
if (HAS_PENDING_EXCEPTION) {
CLEAR_PENDING_EXCEPTION;
return Method::invalid_vtable_index;
@@ -1451,15 +1414,10 @@
return info.vtable_index();
}
-methodHandle LinkResolver::resolve_static_call_or_null(
- KlassHandle resolved_klass,
- Symbol* name,
- Symbol* signature,
- KlassHandle current_klass,
- bool check_access) {
+methodHandle LinkResolver::resolve_static_call_or_null(const LinkInfo& link_info) {
EXCEPTION_MARK;
CallInfo info;
- resolve_static_call(info, resolved_klass, name, signature, current_klass, check_access, false, THREAD);
+ resolve_static_call(info, link_info, /*initialize_class*/false, THREAD);
if (HAS_PENDING_EXCEPTION) {
CLEAR_PENDING_EXCEPTION;
return methodHandle();
@@ -1467,15 +1425,10 @@
return info.selected_method();
}
-methodHandle LinkResolver::resolve_special_call_or_null(
- KlassHandle resolved_klass,
- Symbol* name,
- Symbol* signature,
- KlassHandle current_klass,
- bool check_access) {
+methodHandle LinkResolver::resolve_special_call_or_null(const LinkInfo& link_info) {
EXCEPTION_MARK;
CallInfo info;
- resolve_special_call(info, resolved_klass, name, signature, current_klass, check_access, THREAD);
+ resolve_special_call(info, link_info, THREAD);
if (HAS_PENDING_EXCEPTION) {
CLEAR_PENDING_EXCEPTION;
return methodHandle();
@@ -1500,35 +1453,15 @@
return;
}
-void LinkResolver::resolve_pool(KlassHandle& resolved_klass, Symbol*& method_name, Symbol*& method_signature,
- KlassHandle& current_klass, constantPoolHandle pool, int index, TRAPS) {
- // resolve klass
- resolve_klass(resolved_klass, pool, index, CHECK);
-
- // Get name, signature, and static klass
- method_name = pool->name_ref_at(index);
- method_signature = pool->signature_ref_at(index);
- current_klass = KlassHandle(THREAD, pool->pool_holder());
-}
-
-
void LinkResolver::resolve_invokestatic(CallInfo& result, constantPoolHandle pool, int index, TRAPS) {
- KlassHandle resolved_klass;
- Symbol* method_name = NULL;
- Symbol* method_signature = NULL;
- KlassHandle current_klass;
- resolve_pool(resolved_klass, method_name, method_signature, current_klass, pool, index, CHECK);
- resolve_static_call(result, resolved_klass, method_name, method_signature, current_klass, true, true, CHECK);
+ LinkInfo link_info(pool, index, CHECK);
+ resolve_static_call(result, link_info, /*initialize_class*/true, CHECK);
}
void LinkResolver::resolve_invokespecial(CallInfo& result, constantPoolHandle pool, int index, TRAPS) {
- KlassHandle resolved_klass;
- Symbol* method_name = NULL;
- Symbol* method_signature = NULL;
- KlassHandle current_klass;
- resolve_pool(resolved_klass, method_name, method_signature, current_klass, pool, index, CHECK);
- resolve_special_call(result, resolved_klass, method_name, method_signature, current_klass, true, CHECK);
+ LinkInfo link_info(pool, index, CHECK);
+ resolve_special_call(result, link_info, CHECK);
}
@@ -1536,54 +1469,40 @@
constantPoolHandle pool, int index,
TRAPS) {
- KlassHandle resolved_klass;
- Symbol* method_name = NULL;
- Symbol* method_signature = NULL;
- KlassHandle current_klass;
- resolve_pool(resolved_klass, method_name, method_signature, current_klass, pool, index, CHECK);
+ LinkInfo link_info(pool, index, CHECK);
KlassHandle recvrKlass (THREAD, recv.is_null() ? (Klass*)NULL : recv->klass());
- resolve_virtual_call(result, recv, recvrKlass, resolved_klass, method_name, method_signature, current_klass, true, true, CHECK);
+ resolve_virtual_call(result, recv, recvrKlass, link_info, /*check_null_or_abstract*/true, CHECK);
}
void LinkResolver::resolve_invokeinterface(CallInfo& result, Handle recv, constantPoolHandle pool, int index, TRAPS) {
- KlassHandle resolved_klass;
- Symbol* method_name = NULL;
- Symbol* method_signature = NULL;
- KlassHandle current_klass;
- resolve_pool(resolved_klass, method_name, method_signature, current_klass, pool, index, CHECK);
+ LinkInfo link_info(pool, index, CHECK);
KlassHandle recvrKlass (THREAD, recv.is_null() ? (Klass*)NULL : recv->klass());
- resolve_interface_call(result, recv, recvrKlass, resolved_klass, method_name, method_signature, current_klass, true, true, CHECK);
+ resolve_interface_call(result, recv, recvrKlass, link_info, true, CHECK);
}
void LinkResolver::resolve_invokehandle(CallInfo& result, constantPoolHandle pool, int index, TRAPS) {
// This guy is reached from InterpreterRuntime::resolve_invokehandle.
- KlassHandle resolved_klass;
- Symbol* method_name = NULL;
- Symbol* method_signature = NULL;
- KlassHandle current_klass;
- resolve_pool(resolved_klass, method_name, method_signature, current_klass, pool, index, CHECK);
+ LinkInfo link_info(pool, index, CHECK);
if (TraceMethodHandles) {
ResourceMark rm(THREAD);
- tty->print_cr("resolve_invokehandle %s %s", method_name->as_C_string(), method_signature->as_C_string());
+ tty->print_cr("resolve_invokehandle %s %s", link_info.name()->as_C_string(),
+ link_info.signature()->as_C_string());
}
- resolve_handle_call(result, resolved_klass, method_name, method_signature, current_klass, CHECK);
+ resolve_handle_call(result, link_info, CHECK);
}
-void LinkResolver::resolve_handle_call(CallInfo& result, KlassHandle resolved_klass,
- Symbol* method_name, Symbol* method_signature,
- KlassHandle current_klass,
+void LinkResolver::resolve_handle_call(CallInfo& result,
+ const LinkInfo& link_info,
TRAPS) {
// JSR 292: this must be an implicitly generated method MethodHandle.invokeExact(*...) or similar
- assert(resolved_klass() == SystemDictionary::MethodHandle_klass(), "");
- assert(MethodHandles::is_signature_polymorphic_name(method_name), "");
- methodHandle resolved_method;
+ assert(link_info.resolved_klass()() == SystemDictionary::MethodHandle_klass(), "");
+ assert(MethodHandles::is_signature_polymorphic_name(link_info.name()), "");
Handle resolved_appendix;
Handle resolved_method_type;
- lookup_polymorphic_method(resolved_method, resolved_klass,
- method_name, method_signature,
- current_klass, &resolved_appendix, &resolved_method_type, CHECK);
+ methodHandle resolved_method = lookup_polymorphic_method(link_info,
+ &resolved_appendix, &resolved_method_type, CHECK);
result.set_handle(resolved_method, resolved_appendix, resolved_method_type, CHECK);
}
@@ -1609,7 +1528,6 @@
}
void LinkResolver::resolve_invokedynamic(CallInfo& result, constantPoolHandle pool, int index, TRAPS) {
- //resolve_pool(<resolved_klass>, method_name, method_signature, current_klass, pool, index, CHECK);
Symbol* method_name = pool->name_ref_at(index);
Symbol* method_signature = pool->signature_ref_at(index);
KlassHandle current_klass = KlassHandle(THREAD, pool->pool_holder());
@@ -1667,19 +1585,27 @@
wrap_invokedynamic_exception(CHECK);
}
-//------------------------------------------------------------------------------------------------------------------------
#ifndef PRODUCT
-
-void CallInfo::print() {
+void LinkResolver::trace_method_resolution(const char* prefix,
+ KlassHandle klass,
+ KlassHandle resolved_klass,
+ const methodHandle& method) {
ResourceMark rm;
- const char* kindstr = "unknown";
- switch (_call_kind) {
- case direct_call: kindstr = "direct"; break;
- case vtable_call: kindstr = "vtable"; break;
- case itable_call: kindstr = "itable"; break;
+ tty->print("%s%s, compile-time-class:%s, method:%s, method_holder:%s, access_flags: ",
+ prefix,
+ (klass.is_null() ? "<NULL>" : klass->internal_name()),
+ (resolved_klass.is_null() ? "<NULL>" : resolved_klass->internal_name()),
+ Method::name_and_sig_as_C_string(resolved_klass(),
+ method->name(),
+ method->signature()),
+ method->method_holder()->internal_name()
+ );
+ method->access_flags().print_on(tty);
+ if (method->is_default_method()) {
+ tty->print("default ");
}
- tty->print_cr("Call %s@%d %s", kindstr, _call_index,
- _resolved_method.is_null() ? "(none)" : _resolved_method->name_and_sig_as_C_string());
+ if (method->is_overpass()) {
+ tty->print("overpass ");
+ }
}
-
-#endif
+#endif // PRODUCT
--- a/hotspot/src/share/vm/interpreter/linkResolver.hpp Fri May 29 17:56:50 2015 +0200
+++ b/hotspot/src/share/vm/interpreter/linkResolver.hpp Thu Jun 04 12:52:30 2015 -0700
@@ -1,5 +1,5 @@
/*
- * Copyright (c) 1997, 2013, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1997, 2015, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
@@ -36,7 +36,7 @@
// that method. If the info is invalid, the link has not been resolved
// successfully.
-class CallInfo VALUE_OBJ_CLASS_SPEC {
+class CallInfo : public StackObj {
public:
// Ways that a method call might be selected (or not) based on receiver type.
// Note that an invokevirtual instruction might be linked with no_dispatch,
@@ -58,11 +58,22 @@
Handle _resolved_appendix; // extra argument in constant pool (if CPCE::has_appendix)
Handle _resolved_method_type; // MethodType (for invokedynamic and invokehandle call sites)
- void set_static( KlassHandle resolved_klass, methodHandle resolved_method , TRAPS);
- void set_interface(KlassHandle resolved_klass, KlassHandle selected_klass, methodHandle resolved_method, methodHandle selected_method, int itable_index , TRAPS);
- void set_virtual( KlassHandle resolved_klass, KlassHandle selected_klass, methodHandle resolved_method, methodHandle selected_method, int vtable_index , TRAPS);
- void set_handle( methodHandle resolved_method, Handle resolved_appendix, Handle resolved_method_type, TRAPS);
- void set_common( KlassHandle resolved_klass, KlassHandle selected_klass, methodHandle resolved_method, methodHandle selected_method, CallKind kind, int index, TRAPS);
+ void set_static(KlassHandle resolved_klass, const methodHandle& resolved_method, TRAPS);
+ void set_interface(KlassHandle resolved_klass, KlassHandle selected_klass,
+ const methodHandle& resolved_method,
+ const methodHandle& selected_method,
+ int itable_index, TRAPS);
+ void set_virtual(KlassHandle resolved_klass, KlassHandle selected_klass,
+ const methodHandle& resolved_method,
+ const methodHandle& selected_method,
+ int vtable_index, TRAPS);
+ void set_handle(const methodHandle& resolved_method,
+ Handle resolved_appendix, Handle resolved_method_type, TRAPS);
+ void set_common(KlassHandle resolved_klass, KlassHandle selected_klass,
+ const methodHandle& resolved_method,
+ const methodHandle& selected_method,
+ CallKind kind,
+ int index, TRAPS);
friend class LinkResolver;
@@ -113,6 +124,37 @@
void print() PRODUCT_RETURN;
};
+
+// Condensed information from constant pool to use to resolve the method or field.
+// resolved_klass = specified class (i.e., static receiver class)
+// current_klass = sending method holder (i.e., class containing the method
+// containing the call being resolved)
+class LinkInfo : public StackObj {
+ Symbol* _name; // extracted from JVM_CONSTANT_NameAndType
+ Symbol* _signature;
+ KlassHandle _resolved_klass; // class that the constant pool entry points to
+ KlassHandle _current_klass; // class that owns the constant pool
+ bool _check_access;
+ public:
+ LinkInfo(constantPoolHandle pool, int index, TRAPS);
+ // Condensed information from other call sites within the vm.
+ LinkInfo(KlassHandle resolved_klass, Symbol* name, Symbol* signature,
+ KlassHandle current_klass, bool check_access = true) :
+ _resolved_klass(resolved_klass),
+ _name(name), _signature(signature), _current_klass(current_klass),
+ _check_access(check_access) {}
+
+ // accessors
+ Symbol* name() const { return _name; }
+ Symbol* signature() const { return _signature; }
+ KlassHandle resolved_klass() const { return _resolved_klass; }
+ KlassHandle current_klass() const { return _current_klass; }
+ bool check_access() const { return _check_access; }
+ char* method_string() const;
+
+ void print() PRODUCT_RETURN;
+};
+
// Link information for getfield/putfield & getstatic/putstatic bytecodes
// is represented using a fieldDescriptor.
@@ -124,85 +166,136 @@
friend class klassItable;
private:
- static void lookup_method_in_klasses (methodHandle& result, KlassHandle klass, Symbol* name, Symbol* signature, bool checkpolymorphism, bool in_imethod_resolve, TRAPS);
- static void lookup_instance_method_in_klasses (methodHandle& result, KlassHandle klass, Symbol* name, Symbol* signature, TRAPS);
- static void lookup_method_in_interfaces (methodHandle& result, KlassHandle klass, Symbol* name, Symbol* signature, TRAPS);
- static void lookup_polymorphic_method (methodHandle& result, KlassHandle klass, Symbol* name, Symbol* signature,
- KlassHandle current_klass, Handle *appendix_result_or_null, Handle *method_type_result, TRAPS);
+
+ static methodHandle lookup_method_in_klasses(const LinkInfo& link_info,
+ bool checkpolymorphism,
+ bool in_imethod_resolve, TRAPS);
+ static methodHandle lookup_method_in_interfaces(const LinkInfo& link_info, TRAPS);
+ static methodHandle lookup_polymorphic_method(const LinkInfo& link_info,
+ Handle *appendix_result_or_null,
+ Handle *method_type_result, TRAPS);
+ // Not Linktime so doesn't take LinkInfo
+ static methodHandle lookup_instance_method_in_klasses (
+ KlassHandle klass, Symbol* name, Symbol* signature, TRAPS);
- static void resolve_klass (KlassHandle& result, constantPoolHandle pool, int index, TRAPS);
+ // Similar loader constraint checking functions that throw
+ // LinkageError with descriptive message.
+ static void check_method_loader_constraints(const LinkInfo& link_info,
+ const methodHandle& resolved_method,
+ const char* method_type, TRAPS);
+ static void check_field_loader_constraints(Symbol* field, Symbol* sig,
+ KlassHandle current_klass,
+ KlassHandle sel_klass, TRAPS);
- static void resolve_pool (KlassHandle& resolved_klass, Symbol*& method_name, Symbol*& method_signature, KlassHandle& current_klass, constantPoolHandle pool, int index, TRAPS);
+ static methodHandle resolve_interface_method(const LinkInfo& link_info, bool nostatics, TRAPS);
+ static methodHandle resolve_method (const LinkInfo& link_info, bool require_methodref, TRAPS);
- static void resolve_interface_method(methodHandle& resolved_method, KlassHandle resolved_klass, Symbol* method_name, Symbol* method_signature, KlassHandle current_klass, bool check_access, bool nostatics, TRAPS);
- static void resolve_method (methodHandle& resolved_method, KlassHandle resolved_klass, Symbol* method_name, Symbol* method_signature, KlassHandle current_klass, bool check_access, bool require_methodref, TRAPS);
+ static methodHandle linktime_resolve_static_method (const LinkInfo& link_info, TRAPS);
+ static methodHandle linktime_resolve_special_method (const LinkInfo& link_info, TRAPS);
+ static methodHandle linktime_resolve_virtual_method (const LinkInfo& link_info, TRAPS);
+ static methodHandle linktime_resolve_interface_method (const LinkInfo& link_info, TRAPS);
- static void linktime_resolve_static_method (methodHandle& resolved_method, KlassHandle resolved_klass, Symbol* method_name, Symbol* method_signature, KlassHandle current_klass, bool check_access, TRAPS);
- static void linktime_resolve_special_method (methodHandle& resolved_method, KlassHandle resolved_klass, Symbol* method_name, Symbol* method_signature, KlassHandle current_klass, bool check_access, TRAPS);
- static void linktime_resolve_virtual_method (methodHandle &resolved_method, KlassHandle resolved_klass, Symbol* method_name, Symbol* method_signature,KlassHandle current_klass, bool check_access, TRAPS);
- static void linktime_resolve_interface_method (methodHandle& resolved_method, KlassHandle resolved_klass, Symbol* method_name, Symbol* method_signature, KlassHandle current_klass, bool check_access, TRAPS);
+ static void runtime_resolve_special_method (CallInfo& result,
+ const methodHandle& resolved_method,
+ KlassHandle resolved_klass,
+ KlassHandle current_klass,
+ bool check_access, TRAPS);
+ static void runtime_resolve_virtual_method (CallInfo& result,
+ const methodHandle& resolved_method,
+ KlassHandle resolved_klass,
+ Handle recv,
+ KlassHandle recv_klass,
+ bool check_null_and_abstract, TRAPS);
+ static void runtime_resolve_interface_method (CallInfo& result,
+ const methodHandle& resolved_method,
+ KlassHandle resolved_klass,
+ Handle recv,
+ KlassHandle recv_klass,
+ bool check_null_and_abstract, TRAPS);
- static void runtime_resolve_special_method (CallInfo& result, methodHandle resolved_method, KlassHandle resolved_klass, KlassHandle current_klass, bool check_access, TRAPS);
- static void runtime_resolve_virtual_method (CallInfo& result, methodHandle resolved_method, KlassHandle resolved_klass, Handle recv, KlassHandle recv_klass, bool check_null_and_abstract, TRAPS);
- static void runtime_resolve_interface_method (CallInfo& result, methodHandle resolved_method, KlassHandle resolved_klass, Handle recv, KlassHandle recv_klass, bool check_null_and_abstract, TRAPS);
+ static void check_field_accessability(KlassHandle ref_klass,
+ KlassHandle resolved_klass,
+ KlassHandle sel_klass,
+ const fieldDescriptor& fd, TRAPS);
+ static void check_method_accessability(KlassHandle ref_klass,
+ KlassHandle resolved_klass,
+ KlassHandle sel_klass,
+ const methodHandle& sel_method, TRAPS);
- static void check_field_accessability (KlassHandle ref_klass, KlassHandle resolved_klass, KlassHandle sel_klass, fieldDescriptor& fd, TRAPS);
- static void check_method_accessability (KlassHandle ref_klass, KlassHandle resolved_klass, KlassHandle sel_klass, methodHandle sel_method, TRAPS);
-
+ // runtime resolving from constant pool
+ static void resolve_invokestatic (CallInfo& result,
+ constantPoolHandle pool, int index, TRAPS);
+ static void resolve_invokespecial (CallInfo& result,
+ constantPoolHandle pool, int index, TRAPS);
+ static void resolve_invokevirtual (CallInfo& result, Handle recv,
+ constantPoolHandle pool, int index, TRAPS);
+ static void resolve_invokeinterface(CallInfo& result, Handle recv,
+ constantPoolHandle pool, int index, TRAPS);
+ static void resolve_invokedynamic (CallInfo& result,
+ constantPoolHandle pool, int index, TRAPS);
+ static void resolve_invokehandle (CallInfo& result,
+ constantPoolHandle pool, int index, TRAPS);
public:
// constant pool resolving
static void check_klass_accessability(KlassHandle ref_klass, KlassHandle sel_klass, TRAPS);
- // static resolving calls (will not run any Java code); used only from Bytecode_invoke::static_target
- static void resolve_method_statically(methodHandle& method_result, KlassHandle& klass_result,
- Bytecodes::Code code, constantPoolHandle pool, int index, TRAPS);
+ // static resolving calls (will not run any Java code);
+ // used only from Bytecode_invoke::static_target
+ static methodHandle resolve_method_statically(Bytecodes::Code code,
+ constantPoolHandle pool,
+ int index, TRAPS);
- // runtime/static resolving for fields
- static void resolve_field_access(fieldDescriptor& result, constantPoolHandle pool, int index, Bytecodes::Code byte, TRAPS);
- static void resolve_field(fieldDescriptor& result, KlassHandle resolved_klass, Symbol* field_name, Symbol* field_signature,
- KlassHandle current_klass, Bytecodes::Code access_kind, bool check_access, bool initialize_class, TRAPS);
-
- // source of access_kind codes:
- static Bytecodes::Code field_access_kind(bool is_static, bool is_put) {
- return (is_static
- ? (is_put ? Bytecodes::_putstatic : Bytecodes::_getstatic)
- : (is_put ? Bytecodes::_putfield : Bytecodes::_getfield ));
- }
+ static void resolve_field_access(fieldDescriptor& result,
+ constantPoolHandle pool,
+ int index, Bytecodes::Code byte, TRAPS);
+ static void resolve_field(fieldDescriptor& result, const LinkInfo& link_info,
+ Bytecodes::Code access_kind,
+ bool initialize_class, TRAPS);
- // runtime resolving:
- // resolved_klass = specified class (i.e., static receiver class)
- // current_klass = sending method holder (i.e., class containing the method containing the call being resolved)
- static void resolve_static_call (CallInfo& result, KlassHandle& resolved_klass, Symbol* method_name, Symbol* method_signature, KlassHandle current_klass, bool check_access, bool initialize_klass, TRAPS);
- static void resolve_special_call (CallInfo& result, KlassHandle resolved_klass, Symbol* method_name, Symbol* method_signature, KlassHandle current_klass, bool check_access, TRAPS);
- static void resolve_virtual_call (CallInfo& result, Handle recv, KlassHandle recv_klass, KlassHandle resolved_klass, Symbol* method_name, Symbol* method_signature, KlassHandle current_klass, bool check_access, bool check_null_and_abstract, TRAPS);
- static void resolve_interface_call(CallInfo& result, Handle recv, KlassHandle recv_klass, KlassHandle resolved_klass, Symbol* method_name, Symbol* method_signature, KlassHandle current_klass, bool check_access, bool check_null_and_abstract, TRAPS);
- static void resolve_handle_call (CallInfo& result, KlassHandle resolved_klass, Symbol* method_name, Symbol* method_signature, KlassHandle current_klass, TRAPS);
- static void resolve_dynamic_call (CallInfo& result, Handle bootstrap_specifier, Symbol* method_name, Symbol* method_signature, KlassHandle current_klass, TRAPS);
+ static void resolve_static_call (CallInfo& result,
+ const LinkInfo& link_info,
+ bool initialize_klass, TRAPS);
+ static void resolve_special_call (CallInfo& result,
+ const LinkInfo& link_info,
+ TRAPS);
+ static void resolve_virtual_call (CallInfo& result, Handle recv, KlassHandle recv_klass,
+ const LinkInfo& link_info,
+ bool check_null_and_abstract, TRAPS);
+ static void resolve_interface_call(CallInfo& result, Handle recv, KlassHandle recv_klass,
+ const LinkInfo& link_info,
+ bool check_null_and_abstract, TRAPS);
+ static void resolve_handle_call (CallInfo& result,
+ const LinkInfo& link_info, TRAPS);
+ static void resolve_dynamic_call (CallInfo& result, Handle bootstrap_specifier,
+ Symbol* method_name, Symbol* method_signature,
+ KlassHandle current_klass, TRAPS);
- // same as above for compile-time resolution; but returns null handle instead of throwing an exception on error
- // also, does not initialize klass (i.e., no side effects)
- static methodHandle resolve_virtual_call_or_null (KlassHandle receiver_klass, KlassHandle resolved_klass, Symbol* method_name, Symbol* method_signature, KlassHandle current_klass, bool check_access = true);
- static methodHandle resolve_interface_call_or_null(KlassHandle receiver_klass, KlassHandle resolved_klass, Symbol* method_name, Symbol* method_signature, KlassHandle current_klass, bool check_access = true);
- static methodHandle resolve_static_call_or_null (KlassHandle resolved_klass, Symbol* method_name, Symbol* method_signature, KlassHandle current_klass, bool check_access = true);
- static methodHandle resolve_special_call_or_null (KlassHandle resolved_klass, Symbol* method_name, Symbol* method_signature, KlassHandle current_klass, bool check_access = true);
- static int vtable_index_of_interface_method(KlassHandle klass, methodHandle resolved_method);
+ // same as above for compile-time resolution; but returns null handle instead of throwing
+ // an exception on error also, does not initialize klass (i.e., no side effects)
+ static methodHandle resolve_virtual_call_or_null (KlassHandle receiver_klass,
+ const LinkInfo& link_info);
+ static methodHandle resolve_interface_call_or_null(KlassHandle receiver_klass,
+ const LinkInfo& link_info);
+ static methodHandle resolve_static_call_or_null (const LinkInfo& link_info);
+ static methodHandle resolve_special_call_or_null (const LinkInfo& link_info);
+
+ static int vtable_index_of_interface_method(KlassHandle klass, const methodHandle& resolved_method);
// same as above for compile-time resolution; returns vtable_index if current_klass if linked
- static int resolve_virtual_vtable_index (KlassHandle receiver_klass, KlassHandle resolved_klass, Symbol* method_name, Symbol* method_signature, KlassHandle current_klass);
+ static int resolve_virtual_vtable_index (KlassHandle receiver_klass,
+ const LinkInfo& link_info);
// static resolving for compiler (does not throw exceptions, returns null handle if unsuccessful)
- static methodHandle linktime_resolve_virtual_method_or_null (KlassHandle resolved_klass, Symbol* method_name, Symbol* method_signature, KlassHandle current_klass, bool check_access);
- static methodHandle linktime_resolve_interface_method_or_null(KlassHandle resolved_klass, Symbol* method_name, Symbol* method_signature, KlassHandle current_klass, bool check_access);
+ static methodHandle linktime_resolve_virtual_method_or_null (const LinkInfo& link_info);
+ static methodHandle linktime_resolve_interface_method_or_null(const LinkInfo& link_info);
// runtime resolving from constant pool
- static void resolve_invokestatic (CallInfo& result, constantPoolHandle pool, int index, TRAPS);
- static void resolve_invokespecial (CallInfo& result, constantPoolHandle pool, int index, TRAPS);
- static void resolve_invokevirtual (CallInfo& result, Handle recv, constantPoolHandle pool, int index, TRAPS);
- static void resolve_invokeinterface(CallInfo& result, Handle recv, constantPoolHandle pool, int index, TRAPS);
- static void resolve_invokedynamic (CallInfo& result, constantPoolHandle pool, int index, TRAPS);
- static void resolve_invokehandle (CallInfo& result, constantPoolHandle pool, int index, TRAPS);
-
- static void resolve_invoke (CallInfo& result, Handle recv, constantPoolHandle pool, int index, Bytecodes::Code byte, TRAPS);
+ static void resolve_invoke(CallInfo& result, Handle recv,
+ constantPoolHandle pool, int index,
+ Bytecodes::Code byte, TRAPS);
+ private:
+ static void trace_method_resolution(const char* prefix, KlassHandle klass,
+ KlassHandle resolved_klass,
+ const methodHandle& method) PRODUCT_RETURN;
};
-
#endif // SHARE_VM_INTERPRETER_LINKRESOLVER_HPP
--- a/hotspot/src/share/vm/memory/metaspace.cpp Fri May 29 17:56:50 2015 +0200
+++ b/hotspot/src/share/vm/memory/metaspace.cpp Thu Jun 04 12:52:30 2015 -0700
@@ -614,8 +614,7 @@
Metachunk* _chunks_in_use[NumberOfInUseLists];
Metachunk* _current_chunk;
- // Number of small chunks to allocate to a manager
- // If class space manager, small chunks are unlimited
+ // Maximum number of small chunks to allocate to a SpaceManager
static uint const _small_chunk_limit;
// Sum of all space in allocated chunks
@@ -730,6 +729,8 @@
// Block allocation and deallocation.
// Allocates a block from the current chunk
MetaWord* allocate(size_t word_size);
+ // Allocates a block from a small chunk
+ MetaWord* get_small_chunk_and_allocate(size_t word_size);
// Helper for allocations
MetaWord* allocate_work(size_t word_size);
@@ -2011,9 +2012,8 @@
size_t SpaceManager::calc_chunk_size(size_t word_size) {
// Decide between a small chunk and a medium chunk. Up to
- // _small_chunk_limit small chunks can be allocated but
- // once a medium chunk has been allocated, no more small
- // chunks will be allocated.
+ // _small_chunk_limit small chunks can be allocated.
+ // After that a medium chunk is preferred.
size_t chunk_word_size;
if (chunks_in_use(MediumIndex) == NULL &&
sum_count_in_chunks_in_use(SmallIndex) < _small_chunk_limit) {
@@ -2081,7 +2081,7 @@
word_size, words_used, words_left);
}
- // Get another chunk out of the virtual space
+ // Get another chunk
size_t grow_chunks_by_words = calc_chunk_size(word_size);
Metachunk* next = get_new_chunk(word_size, grow_chunks_by_words);
@@ -2412,6 +2412,43 @@
return next;
}
+/*
+ * The policy is to allocate up to _small_chunk_limit small chunks
+ * after which only medium chunks are allocated. This is done to
+ * reduce fragmentation. In some cases, this can result in a lot
+ * of small chunks being allocated to the point where it's not
+ * possible to expand. If this happens, there may be no medium chunks
+ * available and OOME would be thrown. Instead of doing that,
+ * if the allocation request size fits in a small chunk, an attempt
+ * will be made to allocate a small chunk.
+ */
+MetaWord* SpaceManager::get_small_chunk_and_allocate(size_t word_size) {
+ if (word_size + Metachunk::overhead() > small_chunk_size()) {
+ return NULL;
+ }
+
+ MutexLockerEx cl(lock(), Mutex::_no_safepoint_check_flag);
+ MutexLockerEx cl1(expand_lock(), Mutex::_no_safepoint_check_flag);
+
+ Metachunk* chunk = chunk_manager()->chunk_freelist_allocate(small_chunk_size());
+
+ MetaWord* mem = NULL;
+
+ if (chunk != NULL) {
+ // Add chunk to the in-use chunk list and do an allocation from it.
+ // Add to this manager's list of chunks in use.
+ add_chunk(chunk, false);
+ mem = chunk->allocate(word_size);
+
+ inc_used_metrics(word_size);
+
+ // Track metaspace memory usage statistic.
+ track_metaspace_memory_usage();
+ }
+
+ return mem;
+}
+
MetaWord* SpaceManager::allocate(size_t word_size) {
MutexLockerEx cl(lock(), Mutex::_no_safepoint_check_flag);
@@ -3560,7 +3597,18 @@
}
if (result == NULL) {
- report_metadata_oome(loader_data, word_size, type, mdtype, CHECK_NULL);
+ SpaceManager* sm;
+ if (is_class_space_allocation(mdtype)) {
+ sm = loader_data->metaspace_non_null()->class_vsm();
+ } else {
+ sm = loader_data->metaspace_non_null()->vsm();
+ }
+
+ result = sm->get_small_chunk_and_allocate(word_size);
+
+ if (result == NULL) {
+ report_metadata_oome(loader_data, word_size, type, mdtype, CHECK_NULL);
+ }
}
// Zero initialize.
--- a/hotspot/src/share/vm/oops/instanceKlass.cpp Fri May 29 17:56:50 2015 +0200
+++ b/hotspot/src/share/vm/oops/instanceKlass.cpp Thu Jun 04 12:52:30 2015 -0700
@@ -622,14 +622,6 @@
if (!this_k->is_linked()) {
if (!this_k->is_rewritten()) {
{
- // Timer includes any side effects of class verification (resolution,
- // etc), but not recursive entry into verify_code().
- PerfClassTraceTime timer(ClassLoader::perf_class_verify_time(),
- ClassLoader::perf_class_verify_selftime(),
- ClassLoader::perf_classes_verified(),
- jt->get_thread_stat()->perf_recursion_counts_addr(),
- jt->get_thread_stat()->perf_timers_addr(),
- PerfClassTraceTime::CLASS_VERIFY);
bool verify_ok = verify_code(this_k, throw_verifyerror, THREAD);
if (!verify_ok) {
return false;
--- a/hotspot/src/share/vm/oops/klassVtable.cpp Fri May 29 17:56:50 2015 +0200
+++ b/hotspot/src/share/vm/oops/klassVtable.cpp Thu Jun 04 12:52:30 2015 -0700
@@ -1136,7 +1136,7 @@
if (m->has_itable_index()) {
// This search must match the runtime resolution, i.e. selection search for invokeinterface
// to correctly enforce loader constraints for interface method inheritance
- LinkResolver::lookup_instance_method_in_klasses(target, _klass, m->name(), m->signature(), CHECK);
+ target = LinkResolver::lookup_instance_method_in_klasses(_klass, m->name(), m->signature(), CHECK);
}
if (target == NULL || !target->is_public() || target->is_abstract()) {
// Entry does not resolve. Leave it empty for AbstractMethodError.
--- a/hotspot/src/share/vm/prims/jni.cpp Fri May 29 17:56:50 2015 +0200
+++ b/hotspot/src/share/vm/prims/jni.cpp Thu Jun 04 12:52:30 2015 -0700
@@ -1126,39 +1126,32 @@
Method* m = Method::resolve_jmethod_id(method_id);
number_of_parameters = m->size_of_parameters();
Klass* holder = m->method_holder();
- if (!(holder)->is_interface()) {
+ if (call_type != JNI_VIRTUAL) {
+ selected_method = m;
+ } else if (!m->has_itable_index()) {
// non-interface call -- for that little speed boost, don't handlize
debug_only(No_Safepoint_Verifier nosafepoint;)
- if (call_type == JNI_VIRTUAL) {
- // jni_GetMethodID makes sure class is linked and initialized
- // so m should have a valid vtable index.
- assert(!m->has_itable_index(), "");
- int vtbl_index = m->vtable_index();
- if (vtbl_index != Method::nonvirtual_vtable_index) {
- Klass* k = h_recv->klass();
- // k might be an arrayKlassOop but all vtables start at
- // the same place. The cast is to avoid virtual call and assertion.
- InstanceKlass *ik = (InstanceKlass*)k;
- selected_method = ik->method_at_vtable(vtbl_index);
- } else {
- // final method
- selected_method = m;
- }
+ // jni_GetMethodID makes sure class is linked and initialized
+ // so m should have a valid vtable index.
+ assert(m->valid_vtable_index(), "no valid vtable index");
+ int vtbl_index = m->vtable_index();
+ if (vtbl_index != Method::nonvirtual_vtable_index) {
+ Klass* k = h_recv->klass();
+ // k might be an arrayKlassOop but all vtables start at
+ // the same place. The cast is to avoid virtual call and assertion.
+ InstanceKlass *ik = (InstanceKlass*)k;
+ selected_method = ik->method_at_vtable(vtbl_index);
} else {
- // JNI_NONVIRTUAL call
+ // final method
selected_method = m;
}
} else {
// interface call
KlassHandle h_holder(THREAD, holder);
- if (call_type == JNI_VIRTUAL) {
- int itbl_index = m->itable_index();
- Klass* k = h_recv->klass();
- selected_method = InstanceKlass::cast(k)->method_at_itable(h_holder(), itbl_index, CHECK);
- } else {
- selected_method = m;
- }
+ int itbl_index = m->itable_index();
+ Klass* k = h_recv->klass();
+ selected_method = InstanceKlass::cast(k)->method_at_itable(h_holder(), itbl_index, CHECK);
}
}
--- a/hotspot/src/share/vm/prims/jvmtiEnvBase.cpp Fri May 29 17:56:50 2015 +0200
+++ b/hotspot/src/share/vm/prims/jvmtiEnvBase.cpp Thu Jun 04 12:52:30 2015 -0700
@@ -842,7 +842,7 @@
// optimize to limit the number of times that java_sender() is called
javaVFrame *jvf_cursor = jvf;
javaVFrame *jvf_prev = NULL;
- javaVFrame *jvf_prev_prev;
+ javaVFrame *jvf_prev_prev = NULL;
int j = 0;
while (jvf_cursor != NULL) {
jvf_prev_prev = jvf_prev;
--- a/hotspot/src/share/vm/prims/methodHandles.cpp Fri May 29 17:56:50 2015 +0200
+++ b/hotspot/src/share/vm/prims/methodHandles.cpp Thu Jun 04 12:52:30 2015 -0700
@@ -677,24 +677,24 @@
case IS_METHOD:
{
CallInfo result;
+ LinkInfo link_info(defc, name, type, caller, caller.not_null());
{
assert(!HAS_PENDING_EXCEPTION, "");
if (ref_kind == JVM_REF_invokeStatic) {
LinkResolver::resolve_static_call(result,
- defc, name, type, caller, caller.not_null(), false, THREAD);
+ link_info, false, THREAD);
} else if (ref_kind == JVM_REF_invokeInterface) {
LinkResolver::resolve_interface_call(result, Handle(), defc,
- defc, name, type, caller, caller.not_null(), false, THREAD);
+ link_info, false, THREAD);
} else if (mh_invoke_id != vmIntrinsics::_none) {
assert(!is_signature_polymorphic_static(mh_invoke_id), "");
- LinkResolver::resolve_handle_call(result,
- defc, name, type, caller, THREAD);
+ LinkResolver::resolve_handle_call(result, link_info, THREAD);
} else if (ref_kind == JVM_REF_invokeSpecial) {
LinkResolver::resolve_special_call(result,
- defc, name, type, caller, caller.not_null(), THREAD);
+ link_info, THREAD);
} else if (ref_kind == JVM_REF_invokeVirtual) {
LinkResolver::resolve_virtual_call(result, Handle(), defc,
- defc, name, type, caller, caller.not_null(), false, THREAD);
+ link_info, false, THREAD);
} else {
assert(false, err_msg("ref_kind=%d", ref_kind));
}
@@ -714,11 +714,11 @@
case IS_CONSTRUCTOR:
{
CallInfo result;
+ LinkInfo link_info(defc, name, type, caller, caller.not_null());
{
assert(!HAS_PENDING_EXCEPTION, "");
if (name == vmSymbols::object_initializer_name()) {
- LinkResolver::resolve_special_call(result,
- defc, name, type, caller, caller.not_null(), THREAD);
+ LinkResolver::resolve_special_call(result, link_info, THREAD);
} else {
break; // will throw after end of switch
}
@@ -735,7 +735,8 @@
fieldDescriptor result; // find_field initializes fd if found
{
assert(!HAS_PENDING_EXCEPTION, "");
- LinkResolver::resolve_field(result, defc, name, type, caller, Bytecodes::_nop, false, false, THREAD);
+ LinkInfo link_info(defc, name, type, caller, /*check_access*/false);
+ LinkResolver::resolve_field(result, link_info, Bytecodes::_nop, false, THREAD);
if (HAS_PENDING_EXCEPTION) {
return empty;
}
--- a/hotspot/src/share/vm/runtime/javaCalls.cpp Fri May 29 17:56:50 2015 +0200
+++ b/hotspot/src/share/vm/runtime/javaCalls.cpp Thu Jun 04 12:52:30 2015 -0700
@@ -1,5 +1,5 @@
/*
- * Copyright (c) 1997, 2014, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1997, 2015, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
@@ -179,9 +179,9 @@
CallInfo callinfo;
Handle receiver = args->receiver();
KlassHandle recvrKlass(THREAD, receiver.is_null() ? (Klass*)NULL : receiver->klass());
+ LinkInfo link_info(spec_klass, name, signature, KlassHandle(), /*check_access*/false);
LinkResolver::resolve_virtual_call(
- callinfo, receiver, recvrKlass, spec_klass, name, signature,
- KlassHandle(), false, true, CHECK);
+ callinfo, receiver, recvrKlass, link_info, true, CHECK);
methodHandle method = callinfo.selected_method();
assert(method.not_null(), "should have thrown exception");
@@ -216,7 +216,8 @@
void JavaCalls::call_special(JavaValue* result, KlassHandle klass, Symbol* name, Symbol* signature, JavaCallArguments* args, TRAPS) {
CallInfo callinfo;
- LinkResolver::resolve_special_call(callinfo, klass, name, signature, KlassHandle(), false, CHECK);
+ LinkInfo link_info(klass, name, signature, KlassHandle(), /*check_access*/false);
+ LinkResolver::resolve_special_call(callinfo, link_info, CHECK);
methodHandle method = callinfo.selected_method();
assert(method.not_null(), "should have thrown exception");
@@ -250,7 +251,8 @@
void JavaCalls::call_static(JavaValue* result, KlassHandle klass, Symbol* name, Symbol* signature, JavaCallArguments* args, TRAPS) {
CallInfo callinfo;
- LinkResolver::resolve_static_call(callinfo, klass, name, signature, KlassHandle(), false, true, CHECK);
+ LinkInfo link_info(klass, name, signature, KlassHandle(), /*check_access*/false);
+ LinkResolver::resolve_static_call(callinfo, link_info, true, CHECK);
methodHandle method = callinfo.selected_method();
assert(method.not_null(), "should have thrown exception");
--- a/hotspot/src/share/vm/runtime/os.cpp Fri May 29 17:56:50 2015 +0200
+++ b/hotspot/src/share/vm/runtime/os.cpp Thu Jun 04 12:52:30 2015 -0700
@@ -775,6 +775,10 @@
pd_start_thread(thread);
}
+void os::abort(bool dump_core) {
+ abort(dump_core && CreateCoredumpOnCrash, NULL, NULL);
+}
+
//---------------------------------------------------------------------------
// Helper functions for fatal error handler
--- a/hotspot/src/share/vm/runtime/reflection.cpp Fri May 29 17:56:50 2015 +0200
+++ b/hotspot/src/share/vm/runtime/reflection.cpp Thu Jun 04 12:52:30 2015 -0700
@@ -831,9 +831,9 @@
CallInfo info;
Symbol* signature = method->signature();
Symbol* name = method->name();
- LinkResolver::resolve_interface_call(info, receiver, recv_klass, klass,
- name, signature,
- KlassHandle(), false, true,
+ LinkResolver::resolve_interface_call(info, receiver, recv_klass,
+ LinkInfo(klass, name, signature, KlassHandle(), false),
+ true,
CHECK_(methodHandle()));
return info.selected_method();
}
--- a/hotspot/src/share/vm/services/diagnosticCommand.cpp Fri May 29 17:56:50 2015 +0200
+++ b/hotspot/src/share/vm/services/diagnosticCommand.cpp Thu Jun 04 12:52:30 2015 -0700
@@ -315,7 +315,7 @@
void SystemGCDCmd::execute(DCmdSource source, TRAPS) {
if (!DisableExplicitGC) {
- Universe::heap()->collect(GCCause::_java_lang_system_gc);
+ Universe::heap()->collect(GCCause::_dcmd_gc_run);
} else {
output()->print_cr("Explicit GC is disabled, no GC has been performed.");
}
--- a/hotspot/src/share/vm/utilities/fakeRttiSupport.hpp Fri May 29 17:56:50 2015 +0200
+++ b/hotspot/src/share/vm/utilities/fakeRttiSupport.hpp Thu Jun 04 12:52:30 2015 -0700
@@ -89,11 +89,11 @@
return ((uintx)1) << validate_tag(tag);
}
- static TagType validate_tag(uintx tag) {
- // Type of tag is not TagType to dodge useless MacOSX compiler warning.
- assert(tag < (sizeof(uintx) * BitsPerByte),
- err_msg("Tag " UINTX_FORMAT " is too large", tag));
- return static_cast<TagType>(tag);
+ static TagType validate_tag(TagType tag) {
+ assert(0 <= tag, err_msg("Tag " INTX_FORMAT " is negative", (intx)tag));
+ assert(tag < BitsPerWord,
+ err_msg("Tag " UINTX_FORMAT " is too large", (uintx)tag));
+ return tag;
}
};
--- a/hotspot/test/gc/TestSmallHeap.java Fri May 29 17:56:50 2015 +0200
+++ b/hotspot/test/gc/TestSmallHeap.java Thu Jun 04 12:52:30 2015 -0700
@@ -27,6 +27,7 @@
* @requires vm.gc=="null"
* @requires (vm.opt.AggressiveOpts=="null") | (vm.opt.AggressiveOpts=="false")
* @requires vm.compMode != "Xcomp"
+ * @requires vm.opt.UseCompressedOops != false
* @summary Verify that starting the VM with a small heap works
* @library /testlibrary /../../test/lib
* @modules java.management/sun.management
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/hotspot/test/runtime/jni/ToStringInInterfaceTest/ImplementationOfWithToString.java Thu Jun 04 12:52:30 2015 -0700
@@ -0,0 +1,46 @@
+/*
+ * Copyright (c) 2015, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+
+/**
+ * Implementation of InterfaceWithToString.
+ */
+public class ImplementationOfWithToString implements InterfaceWithToString {
+
+ /**
+ * @see InterfaceWithToString#someMethod()
+ * {@inheritDoc}
+ */
+ @Override
+ public void someMethod() {
+ // May do something here.
+ }
+
+ /**
+ * @see java.lang.Object#toString()
+ * {@inheritDoc}
+ */
+ @Override
+ public String toString() {
+ return "toString() from " + getClass().getName();
+ }
+}
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/hotspot/test/runtime/jni/ToStringInInterfaceTest/InterfaceWithToString.java Thu Jun 04 12:52:30 2015 -0700
@@ -0,0 +1,37 @@
+/*
+ * Copyright (c) 2015, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+
+/**
+ * Interface with toString declared.
+ */
+public interface InterfaceWithToString {
+
+ void someMethod();
+
+ /**
+ * Same as Object.toString().
+ *
+ * @return some custom string.
+ */
+ String toString();
+}
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/hotspot/test/runtime/jni/ToStringInInterfaceTest/ToStringTest.java Thu Jun 04 12:52:30 2015 -0700
@@ -0,0 +1,41 @@
+/*
+ * Copyright (c) 2015, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+
+/* @test
+ * @bug 8072588
+ * @build InterfaceWithToString
+ * @build ImplementationOfWithToString
+ * @run main/native ToStringTest
+ */
+public final class ToStringTest {
+
+ static {
+ System.loadLibrary("ToStringTest");
+ }
+
+ native static void nTest();
+
+ public static void main(String[] args) throws Exception {
+ nTest();
+ }
+}
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/hotspot/test/runtime/jni/ToStringInInterfaceTest/libToStringTest.c Thu Jun 04 12:52:30 2015 -0700
@@ -0,0 +1,82 @@
+/*
+ * Copyright (c) 2015, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+
+/*
+ * Native test for ToStringInInterfaceTest.
+ */
+
+#include "jni.h"
+
+#define checkException(env) if ((*env)->ExceptionCheck(env)) { return; }
+
+jstring callStringMethod(JNIEnv* env, jobject jobj, jmethodID id, ...)
+{
+ jstring value;
+
+ va_list ap;
+ va_start(ap, id);
+ value = (jstring)(*env)->CallObjectMethodV(env, jobj, id, ap);
+ va_end(ap);
+ return value;
+}
+
+JNIEXPORT void JNICALL Java_ToStringTest_nTest(JNIEnv* env, jclass jclazz)
+{
+ jclass classOfInterfaceWithToString;
+ jclass classOfImplementationOfWithToString;
+ jmethodID constructorOfImplementationOfWithToString;
+ jobject instanceOfImplementationOfWithToString;
+ jmethodID toStringOfInterfaceWithToString;
+ jmethodID toStringOfImplementationOfWithToString;
+ jstring jstr;
+ const char *chars;
+
+ classOfInterfaceWithToString = (*env)->FindClass(env, "InterfaceWithToString");
+ checkException(env);
+ classOfImplementationOfWithToString = (*env)->FindClass(env, "ImplementationOfWithToString");
+ checkException(env);
+
+ constructorOfImplementationOfWithToString = (*env)->GetMethodID(env, classOfImplementationOfWithToString, "<init>", "()V");
+ checkException(env);
+
+ instanceOfImplementationOfWithToString = (*env)->NewObject(env, classOfImplementationOfWithToString, constructorOfImplementationOfWithToString);
+ checkException(env);
+
+ toStringOfInterfaceWithToString = (*env)->GetMethodID(env, classOfInterfaceWithToString, "toString", "()Ljava/lang/String;");
+ checkException(env);
+
+ toStringOfImplementationOfWithToString = (*env)->GetMethodID(env, classOfImplementationOfWithToString, "toString", "()Ljava/lang/String;");
+ checkException(env);
+
+ jstr = callStringMethod(env, instanceOfImplementationOfWithToString, toStringOfImplementationOfWithToString);
+ checkException(env);
+
+ chars = (*env)->GetStringUTFChars(env, jstr, NULL);
+ (*env)->ReleaseStringUTFChars(env, jstr, chars);
+
+ jstr = callStringMethod(env, instanceOfImplementationOfWithToString, toStringOfInterfaceWithToString);
+ checkException(env);
+
+ chars = (*env)->GetStringUTFChars(env, jstr, NULL);
+ (*env)->ReleaseStringUTFChars(env, jstr, chars);
+}
--- a/hotspot/test/serviceability/dcmd/gc/RunGCTest.java Fri May 29 17:56:50 2015 +0200
+++ b/hotspot/test/serviceability/dcmd/gc/RunGCTest.java Thu Jun 04 12:52:30 2015 -0700
@@ -59,7 +59,7 @@
}
OutputAnalyzer output = new OutputAnalyzer(gcLog, "");
- output.shouldMatch(".*\\[Full GC \\(System(\\.gc\\(\\))?.*");
+ output.shouldContain("[Full GC (Diagnostic Command)");
}
@Test
--- a/hotspot/test/serviceability/sa/TestClassLoaderStats.java Fri May 29 17:56:50 2015 +0200
+++ b/hotspot/test/serviceability/sa/TestClassLoaderStats.java Thu Jun 04 12:52:30 2015 -0700
@@ -24,11 +24,14 @@
import jdk.test.lib.Platform;
import jdk.test.lib.ProcessTools;
import jdk.test.lib.OutputAnalyzer;
+import jdk.test.lib.apps.LingeredApp;
/*
* @test
+ * @library /../../test/lib/share/classes
* @library /testlibrary
* @build jdk.test.lib.*
+ * @build jdk.test.lib.apps.*
* @run main TestClassLoaderStats
*/
public class TestClassLoaderStats {
@@ -39,19 +42,27 @@
return;
}
- ProcessBuilder processBuilder = ProcessTools.createJavaProcessBuilder(
- "-XX:+UsePerfData",
- "sun.jvm.hotspot.tools.ClassLoaderStats",
- Integer.toString(ProcessTools.getProcessId()));
- OutputAnalyzer output = ProcessTools.executeProcess(processBuilder);
- System.out.println(output.getOutput());
+ LingeredApp app = null;
+ try {
+ app = LingeredApp.startApp();
- output.shouldHaveExitValue(0);
- output.shouldContain("Debugger attached successfully.");
- // The class loader stats header needs to be presented in the output:
- output.shouldMatch("class_loader\\W+classes\\W+bytes\\W+parent_loader\\W+alive?\\W+type");
- output.stderrShouldNotMatch("[E|e]xception");
- output.stderrShouldNotMatch("[E|e]rror");
+ System.out.println("Attaching sun.jvm.hotspot.tools.ClassLoaderStats to " + app.getPid());
+ ProcessBuilder processBuilder = ProcessTools.createJavaProcessBuilder(
+ "-XX:+UsePerfData",
+ "sun.jvm.hotspot.tools.ClassLoaderStats",
+ Long.toString(app.getPid()));
+ OutputAnalyzer output = ProcessTools.executeProcess(processBuilder);
+ System.out.println(output.getOutput());
+
+ output.shouldHaveExitValue(0);
+ output.shouldContain("Debugger attached successfully.");
+ // The class loader stats header needs to be presented in the output:
+ output.shouldMatch("class_loader\\W+classes\\W+bytes\\W+parent_loader\\W+alive?\\W+type");
+ output.stderrShouldNotMatch("[E|e]xception");
+ output.stderrShouldNotMatch("[E|e]rror");
+ } finally {
+ app.stopApp();
+ }
}
}
--- a/hotspot/test/serviceability/sa/TestStackTrace.java Fri May 29 17:56:50 2015 +0200
+++ b/hotspot/test/serviceability/sa/TestStackTrace.java Thu Jun 04 12:52:30 2015 -0700
@@ -24,11 +24,14 @@
import jdk.test.lib.OutputAnalyzer;
import jdk.test.lib.Platform;
import jdk.test.lib.ProcessTools;
+import jdk.test.lib.apps.LingeredApp;
/*
* @test
+ * @library /../../test/lib/share/classes
* @library /testlibrary
* @build jdk.test.lib.*
+ * @build jdk.test.lib.apps.*
* @run main TestStackTrace
*/
public class TestStackTrace {
@@ -39,17 +42,25 @@
return;
}
- ProcessBuilder processBuilder = ProcessTools.createJavaProcessBuilder(
- "-XX:+UsePerfData",
- "sun.jvm.hotspot.tools.StackTrace",
- Integer.toString(ProcessTools.getProcessId()));
- OutputAnalyzer output = ProcessTools.executeProcess(processBuilder);
- System.out.println(output.getOutput());
+ LingeredApp app = null;
+ try {
+ app = LingeredApp.startApp();
- output.shouldHaveExitValue(0);
- output.shouldContain("Debugger attached successfully.");
- output.stderrShouldNotMatch("[E|e]xception");
- output.stderrShouldNotMatch("[E|e]rror");
+ System.out.println("Attaching sun.jvm.hotspot.tools.StackTrace to " + app.getPid());
+ ProcessBuilder processBuilder = ProcessTools.createJavaProcessBuilder(
+ "-XX:+UsePerfData",
+ "sun.jvm.hotspot.tools.StackTrace",
+ Long.toString(app.getPid()));
+ OutputAnalyzer output = ProcessTools.executeProcess(processBuilder);
+ System.out.println(output.getOutput());
+
+ output.shouldHaveExitValue(0);
+ output.shouldContain("Debugger attached successfully.");
+ output.stderrShouldNotMatch("[E|e]xception");
+ output.stderrShouldNotMatch("[E|e]rror");
+ } finally {
+ app.stopApp();
+ }
}
}