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/*
! * Copyright (c) 1999, 2023, 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.
/*
! * Copyright (c) 1999, 2024, 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.
#include "code/compiledIC.hpp"
#include "code/pcDesc.hpp"
#include "code/scopeDesc.hpp"
#include "code/vtableStubs.hpp"
#include "compiler/compilationPolicy.hpp"
+ #include "compiler/compilerDefinitions.inline.hpp"
#include "compiler/disassembler.hpp"
#include "compiler/oopMap.hpp"
#include "gc/shared/barrierSet.hpp"
#include "gc/shared/c1/barrierSetC1.hpp"
#include "gc/shared/collectedHeap.hpp"
#include "runtime/fieldDescriptor.inline.hpp"
#include "runtime/frame.inline.hpp"
#include "runtime/handles.inline.hpp"
#include "runtime/interfaceSupport.inline.hpp"
#include "runtime/javaCalls.hpp"
+ #include "runtime/perfData.inline.hpp"
#include "runtime/sharedRuntime.hpp"
#include "runtime/stackWatermarkSet.hpp"
#include "runtime/stubRoutines.hpp"
#include "runtime/threadCritical.hpp"
#include "runtime/vframe.inline.hpp"
#include "runtime/vframeArray.hpp"
#include "runtime/vm_version.hpp"
+ #include "services/management.hpp"
#include "utilities/copy.hpp"
#include "utilities/events.hpp"
// Implementation of StubAssembler
// install blob
_blobs[id] = blob;
}
void Runtime1::initialize(BufferBlob* blob) {
+ init_counters();
// platform-dependent initialization
initialize_pd();
// generate stubs
for (int id = 0; id < number_of_ids; id++) generate_blob_for(blob, (StubID)id);
// printing
// Soft float adds more runtime names.
return pd_name_for_address(entry);
}
! JRT_ENTRY(void, Runtime1::new_instance(JavaThread* current, Klass* klass))
#ifndef PRODUCT
if (PrintC1Statistics) {
_new_instance_slowcase_cnt++;
}
#endif
// Soft float adds more runtime names.
return pd_name_for_address(entry);
}
! JRT_ENTRY_PROF(void, Runtime1, new_instance, Runtime1::new_instance(JavaThread* current, Klass* klass))
#ifndef PRODUCT
if (PrintC1Statistics) {
_new_instance_slowcase_cnt++;
}
#endif
oop obj = h->allocate_instance(CHECK);
current->set_vm_result(obj);
JRT_END
! JRT_ENTRY(void, Runtime1::new_type_array(JavaThread* current, Klass* klass, jint length))
#ifndef PRODUCT
if (PrintC1Statistics) {
_new_type_array_slowcase_cnt++;
}
#endif
oop obj = h->allocate_instance(CHECK);
current->set_vm_result(obj);
JRT_END
! JRT_ENTRY_PROF(void, Runtime1, new_type_array, Runtime1::new_type_array(JavaThread* current, Klass* klass, jint length))
#ifndef PRODUCT
if (PrintC1Statistics) {
_new_type_array_slowcase_cnt++;
}
#endif
}
JRT_END
! JRT_ENTRY(void, Runtime1::new_object_array(JavaThread* current, Klass* array_klass, jint length))
#ifndef PRODUCT
if (PrintC1Statistics) {
_new_object_array_slowcase_cnt++;
}
#endif
}
JRT_END
! JRT_ENTRY_PROF(void, Runtime1, new_object_array, Runtime1::new_object_array(JavaThread* current, Klass* array_klass, jint length))
#ifndef PRODUCT
if (PrintC1Statistics) {
_new_object_array_slowcase_cnt++;
}
#endif
deopt_caller(current);
}
JRT_END
! JRT_ENTRY(void, Runtime1::new_multi_array(JavaThread* current, Klass* klass, int rank, jint* dims))
#ifndef PRODUCT
if (PrintC1Statistics) {
_new_multi_array_slowcase_cnt++;
}
#endif
deopt_caller(current);
}
JRT_END
! JRT_ENTRY_PROF(void, Runtime1, new_multi_array, Runtime1::new_multi_array(JavaThread* current, Klass* klass, int rank, jint* dims))
#ifndef PRODUCT
if (PrintC1Statistics) {
_new_multi_array_slowcase_cnt++;
}
#endif
}
osr_nm = CompilationPolicy::event(enclosing_method, method, branch_bci, bci, level, nm, current);
return osr_nm;
}
! JRT_BLOCK_ENTRY(address, Runtime1::counter_overflow(JavaThread* current, int bci, Method* method))
nmethod* osr_nm;
JRT_BLOCK
osr_nm = counter_overflow_helper(current, bci, method);
if (osr_nm != nullptr) {
RegisterMap map(current,
}
osr_nm = CompilationPolicy::event(enclosing_method, method, branch_bci, bci, level, nm, current);
return osr_nm;
}
! JRT_BLOCK_ENTRY_PROF(address, Runtime1, counter_overflow, Runtime1::counter_overflow(JavaThread* current, int bci, Method* method))
nmethod* osr_nm;
JRT_BLOCK
osr_nm = counter_overflow_helper(current, bci, method);
if (osr_nm != nullptr) {
RegisterMap map(current,
// control the area where we can allow a safepoint. After we exit the safepoint area we can
// check to see if the handler we are going to return is now in a nmethod that has
// been deoptimized. If that is the case we return the deopt blob
// unpack_with_exception entry instead. This makes life for the exception blob easier
// because making that same check and diverting is painful from assembly language.
! JRT_ENTRY_NO_ASYNC(static address, exception_handler_for_pc_helper(JavaThread* current, oopDesc* ex, address pc, nmethod*& nm))
// Reset method handle flag.
current->set_is_method_handle_return(false);
Handle exception(current, ex);
// control the area where we can allow a safepoint. After we exit the safepoint area we can
// check to see if the handler we are going to return is now in a nmethod that has
// been deoptimized. If that is the case we return the deopt blob
// unpack_with_exception entry instead. This makes life for the exception blob easier
// because making that same check and diverting is painful from assembly language.
! JRT_ENTRY_NO_ASYNC_PROF(static address, Runtime1, exception_handler_for_pc_helper, exception_handler_for_pc_helper(JavaThread* current, oopDesc* ex, address pc, nmethod*& nm))
// Reset method handle flag.
current->set_is_method_handle_return(false);
Handle exception(current, ex);
ResourceMark rm(current);
SharedRuntime::throw_and_post_jvmti_exception(current, vmSymbols::java_lang_IncompatibleClassChangeError());
JRT_END
! JRT_BLOCK_ENTRY(void, Runtime1::monitorenter(JavaThread* current, oopDesc* obj, BasicObjectLock* lock))
#ifndef PRODUCT
if (PrintC1Statistics) {
_monitorenter_slowcase_cnt++;
}
#endif
ResourceMark rm(current);
SharedRuntime::throw_and_post_jvmti_exception(current, vmSymbols::java_lang_IncompatibleClassChangeError());
JRT_END
! JRT_BLOCK_ENTRY_PROF(void, Runtime1, monitorenter, Runtime1::monitorenter(JavaThread* current, oopDesc* obj, BasicObjectLock* lock))
#ifndef PRODUCT
if (PrintC1Statistics) {
_monitorenter_slowcase_cnt++;
}
#endif
assert(LockingMode == LM_LIGHTWEIGHT || obj == lock->obj(), "must match");
SharedRuntime::monitor_enter_helper(obj, LockingMode == LM_LIGHTWEIGHT ? nullptr : lock->lock(), current);
JRT_END
! JRT_LEAF(void, Runtime1::monitorexit(JavaThread* current, BasicObjectLock* lock))
assert(current == JavaThread::current(), "pre-condition");
#ifndef PRODUCT
if (PrintC1Statistics) {
_monitorexit_slowcase_cnt++;
}
assert(LockingMode == LM_LIGHTWEIGHT || obj == lock->obj(), "must match");
SharedRuntime::monitor_enter_helper(obj, LockingMode == LM_LIGHTWEIGHT ? nullptr : lock->lock(), current);
JRT_END
! JRT_LEAF_PROF(void, Runtime1, monitorexit, Runtime1::monitorexit(JavaThread* current, BasicObjectLock* lock))
assert(current == JavaThread::current(), "pre-condition");
#ifndef PRODUCT
if (PrintC1Statistics) {
_monitorexit_slowcase_cnt++;
}
assert(oopDesc::is_oop(obj), "must be null or an object");
SharedRuntime::monitor_exit_helper(obj, lock->lock(), current);
JRT_END
// Cf. OptoRuntime::deoptimize_caller_frame
! JRT_ENTRY(void, Runtime1::deoptimize(JavaThread* current, jint trap_request))
// Called from within the owner thread, so no need for safepoint
RegisterMap reg_map(current,
RegisterMap::UpdateMap::skip,
RegisterMap::ProcessFrames::include,
RegisterMap::WalkContinuation::skip);
assert(oopDesc::is_oop(obj), "must be null or an object");
SharedRuntime::monitor_exit_helper(obj, lock->lock(), current);
JRT_END
// Cf. OptoRuntime::deoptimize_caller_frame
! JRT_ENTRY_PROF(void, Runtime1, deoptimize, Runtime1::deoptimize(JavaThread* current, jint trap_request))
// Called from within the owner thread, so no need for safepoint
RegisterMap reg_map(current,
RegisterMap::UpdateMap::skip,
RegisterMap::ProcessFrames::include,
RegisterMap::WalkContinuation::skip);
Bytecodes::Code code = field_access.code();
// We must load class, initialize class and resolve the field
fieldDescriptor result; // initialize class if needed
constantPoolHandle constants(THREAD, caller->constants());
! LinkResolver::resolve_field_access(result, constants, field_access.index(), caller, Bytecodes::java_code(code), CHECK_NULL);
return result.field_holder();
}
//
Bytecodes::Code code = field_access.code();
// We must load class, initialize class and resolve the field
fieldDescriptor result; // initialize class if needed
constantPoolHandle constants(THREAD, caller->constants());
! LinkResolver::resolve_field_access(result, constants, field_access.index(), caller,
+ Bytecodes::java_code(code), true /*initialize_class*/, CHECK_NULL);
return result.field_holder();
}
//
// but we don't want to bet the farm on this always working.
//
// Therefore, if there is any chance of a race condition, we try to
// patch only naturally aligned words, as single, full-word writes.
! JRT_ENTRY(void, Runtime1::patch_code(JavaThread* current, Runtime1::StubID stub_id ))
#ifndef PRODUCT
if (PrintC1Statistics) {
_patch_code_slowcase_cnt++;
}
#endif
// but we don't want to bet the farm on this always working.
//
// Therefore, if there is any chance of a race condition, we try to
// patch only naturally aligned words, as single, full-word writes.
! JRT_ENTRY_PROF(void, Runtime1, patch_code, Runtime1::patch_code(JavaThread* current, Runtime1::StubID stub_id))
#ifndef PRODUCT
if (PrintC1Statistics) {
_patch_code_slowcase_cnt++;
}
#endif
Bytecode_field field_access(caller_method, bci);
fieldDescriptor result; // initialize class if needed
Bytecodes::Code code = field_access.code();
constantPoolHandle constants(current, caller_method->constants());
! LinkResolver::resolve_field_access(result, constants, field_access.index(), caller_method, Bytecodes::java_code(code), CHECK);
patch_field_offset = result.offset();
// If we're patching a field which is volatile then at compile it
// must not have been know to be volatile, so the generated code
// isn't correct for a volatile reference. The nmethod has to be
Bytecode_field field_access(caller_method, bci);
fieldDescriptor result; // initialize class if needed
Bytecodes::Code code = field_access.code();
constantPoolHandle constants(current, caller_method->constants());
! LinkResolver::resolve_field_access(result, constants, field_access.index(), caller_method,
+ Bytecodes::java_code(code), true /*initialize_class*/, CHECK);
patch_field_offset = result.offset();
// If we're patching a field which is volatile then at compile it
// must not have been know to be volatile, so the generated code
// isn't correct for a volatile reference. The nmethod has to be
}
}
return true;
}
! void Runtime1::patch_code(JavaThread* current, Runtime1::StubID stub_id) {
#ifndef PRODUCT
if (PrintC1Statistics) {
_patch_code_slowcase_cnt++;
}
#endif
}
}
return true;
}
! PROF_ENTRY(void, Runtime1, patch_code, Runtime1::patch_code(JavaThread* current, Runtime1::StubID stub_id))
#ifndef PRODUCT
if (PrintC1Statistics) {
_patch_code_slowcase_cnt++;
}
#endif
}
Deoptimization::deoptimize_frame(current, caller_frame.id());
// Return to the now deoptimized frame.
postcond(caller_is_deopted(current));
! }
#endif // DEOPTIMIZE_WHEN_PATCHING
// Entry point for compiled code. We want to patch a nmethod.
// We don't do a normal VM transition here because we want to
}
Deoptimization::deoptimize_frame(current, caller_frame.id());
// Return to the now deoptimized frame.
postcond(caller_is_deopted(current));
! PROF_END
#endif // DEOPTIMIZE_WHEN_PATCHING
// Entry point for compiled code. We want to patch a nmethod.
// We don't do a normal VM transition here because we want to
return caller_is_deopted(current);
}
! JRT_LEAF(void, Runtime1::trace_block_entry(jint block_id))
// for now we just print out the block id
tty->print("%d ", block_id);
JRT_END
! JRT_LEAF(int, Runtime1::is_instance_of(oopDesc* mirror, oopDesc* obj))
// had to return int instead of bool, otherwise there may be a mismatch
// between the C calling convention and the Java one.
// e.g., on x86, GCC may clear only %al when returning a bool false, but
// JVM takes the whole %eax as the return value, which may misinterpret
// the return value as a boolean true.
return caller_is_deopted(current);
}
! JRT_LEAF_PROF_NO_THREAD(void, Runtime1, trace_block_entry, Runtime1::trace_block_entry(jint block_id))
// for now we just print out the block id
tty->print("%d ", block_id);
JRT_END
! JRT_LEAF_PROF_NO_THREAD(int, Runtime1, is_instance_of, Runtime1::is_instance_of(oopDesc* mirror, oopDesc* obj))
// had to return int instead of bool, otherwise there may be a mismatch
// between the C calling convention and the Java one.
// e.g., on x86, GCC may clear only %al when returning a bool false, but
// JVM takes the whole %eax as the return value, which may misinterpret
// the return value as a boolean true.
assert(mirror != nullptr, "should null-check on mirror before calling");
Klass* k = java_lang_Class::as_Klass(mirror);
return (k != nullptr && obj != nullptr && obj->is_a(k)) ? 1 : 0;
JRT_END
! JRT_ENTRY(void, Runtime1::predicate_failed_trap(JavaThread* current))
ResourceMark rm;
RegisterMap reg_map(current,
RegisterMap::UpdateMap::skip,
RegisterMap::ProcessFrames::include,
assert(mirror != nullptr, "should null-check on mirror before calling");
Klass* k = java_lang_Class::as_Klass(mirror);
return (k != nullptr && obj != nullptr && obj->is_a(k)) ? 1 : 0;
JRT_END
! JRT_ENTRY_PROF(void, Runtime1, predicate_failed_trap, Runtime1::predicate_failed_trap(JavaThread* current))
ResourceMark rm;
RegisterMap reg_map(current,
RegisterMap::UpdateMap::skip,
RegisterMap::ProcessFrames::include,
}
}
Exceptions::debug_check_abort(ex->klass()->external_name(), message);
JRT_END
#ifndef PRODUCT
! void Runtime1::print_statistics() {
! tty->print_cr("C1 Runtime statistics:");
! tty->print_cr(" _resolve_invoke_virtual_cnt: %u", SharedRuntime::_resolve_virtual_ctr);
! tty->print_cr(" _resolve_invoke_opt_virtual_cnt: %u", SharedRuntime::_resolve_opt_virtual_ctr);
! tty->print_cr(" _resolve_invoke_static_cnt: %u", SharedRuntime::_resolve_static_ctr);
! tty->print_cr(" _handle_wrong_method_cnt: %u", SharedRuntime::_wrong_method_ctr);
! tty->print_cr(" _ic_miss_cnt: %u", SharedRuntime::_ic_miss_ctr);
! tty->print_cr(" _generic_arraycopystub_cnt: %u", _generic_arraycopystub_cnt);
! tty->print_cr(" _byte_arraycopy_cnt: %u", _byte_arraycopy_stub_cnt);
! tty->print_cr(" _short_arraycopy_cnt: %u", _short_arraycopy_stub_cnt);
! tty->print_cr(" _int_arraycopy_cnt: %u", _int_arraycopy_stub_cnt);
! tty->print_cr(" _long_arraycopy_cnt: %u", _long_arraycopy_stub_cnt);
! tty->print_cr(" _oop_arraycopy_cnt: %u", _oop_arraycopy_stub_cnt);
! tty->print_cr(" _arraycopy_slowcase_cnt: %u", _arraycopy_slowcase_cnt);
! tty->print_cr(" _arraycopy_checkcast_cnt: %u", _arraycopy_checkcast_cnt);
! tty->print_cr(" _arraycopy_checkcast_attempt_cnt:%u", _arraycopy_checkcast_attempt_cnt);
!
! tty->print_cr(" _new_type_array_slowcase_cnt: %u", _new_type_array_slowcase_cnt);
! tty->print_cr(" _new_object_array_slowcase_cnt: %u", _new_object_array_slowcase_cnt);
! tty->print_cr(" _new_instance_slowcase_cnt: %u", _new_instance_slowcase_cnt);
! tty->print_cr(" _new_multi_array_slowcase_cnt: %u", _new_multi_array_slowcase_cnt);
! tty->print_cr(" _monitorenter_slowcase_cnt: %u", _monitorenter_slowcase_cnt);
! tty->print_cr(" _monitorexit_slowcase_cnt: %u", _monitorexit_slowcase_cnt);
! tty->print_cr(" _patch_code_slowcase_cnt: %u", _patch_code_slowcase_cnt);
!
! tty->print_cr(" _throw_range_check_exception_count: %u:", _throw_range_check_exception_count);
! tty->print_cr(" _throw_index_exception_count: %u:", _throw_index_exception_count);
! tty->print_cr(" _throw_div0_exception_count: %u:", _throw_div0_exception_count);
! tty->print_cr(" _throw_null_pointer_exception_count: %u:", _throw_null_pointer_exception_count);
! tty->print_cr(" _throw_class_cast_exception_count: %u:", _throw_class_cast_exception_count);
! tty->print_cr(" _throw_incompatible_class_change_error_count: %u:", _throw_incompatible_class_change_error_count);
! tty->print_cr(" _throw_count: %u:", _throw_count);
!
! SharedRuntime::print_ic_miss_histogram();
! tty->cr();
}
#endif // PRODUCT
}
}
Exceptions::debug_check_abort(ex->klass()->external_name(), message);
JRT_END
+ #define DO_COUNTERS(macro) \
+ macro(Runtime1, new_instance) \
+ macro(Runtime1, new_type_array) \
+ macro(Runtime1, new_object_array) \
+ macro(Runtime1, new_multi_array) \
+ macro(Runtime1, counter_overflow) \
+ macro(Runtime1, exception_handler_for_pc_helper) \
+ macro(Runtime1, monitorenter) \
+ macro(Runtime1, monitorexit) \
+ macro(Runtime1, deoptimize) \
+ macro(Runtime1, is_instance_of) \
+ macro(Runtime1, predicate_failed_trap) \
+ macro(Runtime1, patch_code)
+
+ #define INIT_COUNTER(sub, name) \
+ NEWPERFTICKCOUNTERS(_perf_##sub##_##name##_timer, SUN_CI, #sub "::" #name); \
+ NEWPERFEVENTCOUNTER(_perf_##sub##_##name##_count, SUN_CI, #sub "::" #name "_count");
+
+ void Runtime1::init_counters() {
+ assert(CompilerConfig::is_c1_enabled(), "");
+
+ if (UsePerfData) {
+ EXCEPTION_MARK;
+
+ DO_COUNTERS(INIT_COUNTER)
+
+ if (HAS_PENDING_EXCEPTION) {
+ vm_exit_during_initialization("Runtime1::init_counters() failed unexpectedly");
+ }
+ }
+ }
+ #undef INIT_COUNTER
+
+ #define PRINT_COUNTER(sub, name) { \
+ if (_perf_##sub##_##name##_count != nullptr) { \
+ jlong count = _perf_##sub##_##name##_count->get_value(); \
+ if (count > 0) { \
+ st->print_cr(" %-30s = %4ldms (elapsed) %4ldms (thread) (%5ld events)", #sub "::" #name, \
+ _perf_##sub##_##name##_timer->elapsed_counter_value_ms(), \
+ _perf_##sub##_##name##_timer->thread_counter_value_ms(), \
+ count); \
+ }}}
+
+
+ void Runtime1::print_counters_on(outputStream* st) {
+ if (UsePerfData && ProfileRuntimeCalls && CompilerConfig::is_c1_enabled()) {
+ DO_COUNTERS(PRINT_COUNTER)
+ } else {
+ st->print_cr(" Runtime1: no info (%s is disabled)",
+ (!CompilerConfig::is_c1_enabled() ? "C1" : (UsePerfData ? "ProfileRuntimeCalls" : "UsePerfData")));
+ }
+ }
+
+ #undef PRINT_COUNTER
+ #undef DO_COUNTERS
+
#ifndef PRODUCT
! void Runtime1::print_statistics_on(outputStream* st) {
! st->print_cr("C1 Runtime statistics:");
! st->print_cr(" _resolve_invoke_virtual_cnt: %u", SharedRuntime::_resolve_virtual_ctr);
! st->print_cr(" _resolve_invoke_opt_virtual_cnt: %u", SharedRuntime::_resolve_opt_virtual_ctr);
! st->print_cr(" _resolve_invoke_static_cnt: %u", SharedRuntime::_resolve_static_ctr);
! st->print_cr(" _handle_wrong_method_cnt: %u", SharedRuntime::_wrong_method_ctr);
! st->print_cr(" _ic_miss_cnt: %u", SharedRuntime::_ic_miss_ctr);
! st->print_cr(" _generic_arraycopystub_cnt: %u", _generic_arraycopystub_cnt);
! st->print_cr(" _byte_arraycopy_cnt: %u", _byte_arraycopy_stub_cnt);
! st->print_cr(" _short_arraycopy_cnt: %u", _short_arraycopy_stub_cnt);
! st->print_cr(" _int_arraycopy_cnt: %u", _int_arraycopy_stub_cnt);
! st->print_cr(" _long_arraycopy_cnt: %u", _long_arraycopy_stub_cnt);
! st->print_cr(" _oop_arraycopy_cnt: %u", _oop_arraycopy_stub_cnt);
! st->print_cr(" _arraycopy_slowcase_cnt: %u", _arraycopy_slowcase_cnt);
! st->print_cr(" _arraycopy_checkcast_cnt: %u", _arraycopy_checkcast_cnt);
! st->print_cr(" _arraycopy_checkcast_attempt_cnt:%u", _arraycopy_checkcast_attempt_cnt);
!
! st->print_cr(" _new_type_array_slowcase_cnt: %u", _new_type_array_slowcase_cnt);
! st->print_cr(" _new_object_array_slowcase_cnt: %u", _new_object_array_slowcase_cnt);
! st->print_cr(" _new_instance_slowcase_cnt: %u", _new_instance_slowcase_cnt);
! st->print_cr(" _new_multi_array_slowcase_cnt: %u", _new_multi_array_slowcase_cnt);
! st->print_cr(" _monitorenter_slowcase_cnt: %u", _monitorenter_slowcase_cnt);
! st->print_cr(" _monitorexit_slowcase_cnt: %u", _monitorexit_slowcase_cnt);
! st->print_cr(" _patch_code_slowcase_cnt: %u", _patch_code_slowcase_cnt);
!
! st->print_cr(" _throw_range_check_exception_count: %u:", _throw_range_check_exception_count);
! st->print_cr(" _throw_index_exception_count: %u:", _throw_index_exception_count);
! st->print_cr(" _throw_div0_exception_count: %u:", _throw_div0_exception_count);
! st->print_cr(" _throw_null_pointer_exception_count: %u:", _throw_null_pointer_exception_count);
! st->print_cr(" _throw_class_cast_exception_count: %u:", _throw_class_cast_exception_count);
! st->print_cr(" _throw_incompatible_class_change_error_count: %u:", _throw_incompatible_class_change_error_count);
! st->print_cr(" _throw_count: %u:", _throw_count);
!
! SharedRuntime::print_ic_miss_histogram_on(st);
! st->cr();
}
#endif // PRODUCT
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