hotspot/src/share/vm/prims/whitebox.cpp
author thartmann
Thu, 30 Oct 2014 13:03:30 +0100
changeset 27434 b4b185d05bb5
parent 27417 576e2b527e1c
child 27450 603dbcf4f547
child 27469 34008cfb8994
child 27684 e0391b2bf625
permissions -rw-r--r--
8061817: Whitebox.deoptimizeMethod() does not deoptimize all OSR versions of method Summary: Fixed Whitebox.deoptimizeMethod() to deoptimize all OSR versions of the method. Reviewed-by: kvn, iignatyev
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/*
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 * Copyright (c) 2012, 2014, Oracle and/or its affiliates. All rights reserved.
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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 *
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 * This code is free software; you can redistribute it and/or modify it
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 * under the terms of the GNU General Public License version 2 only, as
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 * published by the Free Software Foundation.
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 *
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 * This code is distributed in the hope that it will be useful, but WITHOUT
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 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
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 * version 2 for more details (a copy is included in the LICENSE file that
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 * accompanied this code).
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 *
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 * You should have received a copy of the GNU General Public License version
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 * 2 along with this work; if not, write to the Free Software Foundation,
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 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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 *
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 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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 * or visit www.oracle.com if you need additional information or have any
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 * questions.
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 *
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 */
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#include "precompiled.hpp"
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#include "code/codeCache.hpp"
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#include "memory/metadataFactory.hpp"
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#include "memory/universe.hpp"
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#include "oops/oop.inline.hpp"
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#include "classfile/stringTable.hpp"
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#include "classfile/classLoaderData.hpp"
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#include "prims/whitebox.hpp"
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#include "prims/wbtestmethods/parserTests.hpp"
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#include "runtime/thread.hpp"
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#include "runtime/arguments.hpp"
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#include "runtime/interfaceSupport.hpp"
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#include "runtime/os.hpp"
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#include "runtime/vm_version.hpp"
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#include "utilities/array.hpp"
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#include "utilities/debug.hpp"
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#include "utilities/macros.hpp"
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#include "utilities/exceptions.hpp"
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#if INCLUDE_ALL_GCS
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#include "gc_implementation/parallelScavenge/parallelScavengeHeap.inline.hpp"
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#include "gc_implementation/g1/concurrentMark.hpp"
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#include "gc_implementation/g1/g1CollectedHeap.inline.hpp"
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#include "gc_implementation/g1/heapRegionRemSet.hpp"
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#endif // INCLUDE_ALL_GCS
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#if INCLUDE_NMT
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#include "services/mallocSiteTable.hpp"
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#include "services/memTracker.hpp"
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#include "utilities/nativeCallStack.hpp"
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#endif // INCLUDE_NMT
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#include "compiler/compileBroker.hpp"
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#include "runtime/compilationPolicy.hpp"
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PRAGMA_FORMAT_MUTE_WARNINGS_FOR_GCC
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#define SIZE_T_MAX_VALUE ((size_t) -1)
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bool WhiteBox::_used = false;
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WB_ENTRY(jlong, WB_GetObjectAddress(JNIEnv* env, jobject o, jobject obj))
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  return (jlong)(void*)JNIHandles::resolve(obj);
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WB_END
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WB_ENTRY(jint, WB_GetHeapOopSize(JNIEnv* env, jobject o))
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  return heapOopSize;
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WB_END
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class WBIsKlassAliveClosure : public KlassClosure {
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    Symbol* _name;
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    bool _found;
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public:
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    WBIsKlassAliveClosure(Symbol* name) : _name(name), _found(false) {}
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    void do_klass(Klass* k) {
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      if (_found) return;
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      Symbol* ksym = k->name();
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      if (ksym->fast_compare(_name) == 0) {
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        _found = true;
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      }
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    }
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    bool found() const {
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        return _found;
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    }
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};
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WB_ENTRY(jboolean, WB_IsClassAlive(JNIEnv* env, jobject target, jstring name))
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  Handle h_name = JNIHandles::resolve(name);
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  if (h_name.is_null()) return false;
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  Symbol* sym = java_lang_String::as_symbol(h_name, CHECK_false);
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  TempNewSymbol tsym(sym); // Make sure to decrement reference count on sym on return
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  WBIsKlassAliveClosure closure(sym);
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  ClassLoaderDataGraph::classes_do(&closure);
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  return closure.found();
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WB_END
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WB_ENTRY(jlong, WB_GetCompressedOopsMaxHeapSize(JNIEnv* env, jobject o)) {
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  return (jlong)Arguments::max_heap_for_compressed_oops();
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}
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WB_END
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WB_ENTRY(void, WB_PrintHeapSizes(JNIEnv* env, jobject o)) {
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  CollectorPolicy * p = Universe::heap()->collector_policy();
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  gclog_or_tty->print_cr("Minimum heap "SIZE_FORMAT" Initial heap "
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    SIZE_FORMAT" Maximum heap "SIZE_FORMAT" Space alignment "SIZE_FORMAT" Heap alignment "SIZE_FORMAT,
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    p->min_heap_byte_size(), p->initial_heap_byte_size(), p->max_heap_byte_size(),
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    p->space_alignment(), p->heap_alignment());
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}
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WB_END
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#ifndef PRODUCT
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// Forward declaration
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void TestReservedSpace_test();
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void TestReserveMemorySpecial_test();
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void TestVirtualSpace_test();
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void TestMetaspaceAux_test();
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#endif
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WB_ENTRY(void, WB_RunMemoryUnitTests(JNIEnv* env, jobject o))
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#ifndef PRODUCT
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  TestReservedSpace_test();
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  TestReserveMemorySpecial_test();
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  TestVirtualSpace_test();
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  TestMetaspaceAux_test();
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#endif
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WB_END
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WB_ENTRY(void, WB_ReadFromNoaccessArea(JNIEnv* env, jobject o))
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  size_t granularity = os::vm_allocation_granularity();
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  ReservedHeapSpace rhs(100 * granularity, granularity, false, NULL);
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  VirtualSpace vs;
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  vs.initialize(rhs, 50 * granularity);
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  //Check if constraints are complied
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  if (!( UseCompressedOops && rhs.base() != NULL &&
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         Universe::narrow_oop_base() != NULL &&
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         Universe::narrow_oop_use_implicit_null_checks() )) {
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    tty->print_cr("WB_ReadFromNoaccessArea method is useless:\n "
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                  "\tUseCompressedOops is %d\n"
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                  "\trhs.base() is "PTR_FORMAT"\n"
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                  "\tUniverse::narrow_oop_base() is "PTR_FORMAT"\n"
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                  "\tUniverse::narrow_oop_use_implicit_null_checks() is %d",
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                  UseCompressedOops,
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                  rhs.base(),
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                  Universe::narrow_oop_base(),
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                  Universe::narrow_oop_use_implicit_null_checks());
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    return;
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  }
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  tty->print_cr("Reading from no access area... ");
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  tty->print_cr("*(vs.low_boundary() - rhs.noaccess_prefix() / 2 ) = %c",
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                *(vs.low_boundary() - rhs.noaccess_prefix() / 2 ));
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WB_END
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static jint wb_stress_virtual_space_resize(size_t reserved_space_size,
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                                           size_t magnitude, size_t iterations) {
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  size_t granularity = os::vm_allocation_granularity();
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  ReservedHeapSpace rhs(reserved_space_size * granularity, granularity, false, NULL);
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  VirtualSpace vs;
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  if (!vs.initialize(rhs, 0)) {
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    tty->print_cr("Failed to initialize VirtualSpace. Can't proceed.");
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    return 3;
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  }
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  long seed = os::random();
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  tty->print_cr("Random seed is %ld", seed);
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  os::init_random(seed);
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  for (size_t i = 0; i < iterations; i++) {
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    // Whether we will shrink or grow
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    bool shrink = os::random() % 2L == 0;
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    // Get random delta to resize virtual space
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    size_t delta = (size_t)os::random() % magnitude;
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    // If we are about to shrink virtual space below zero, then expand instead
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    if (shrink && vs.committed_size() < delta) {
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      shrink = false;
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    }
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    // Resizing by delta
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    if (shrink) {
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      vs.shrink_by(delta);
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    } else {
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      // If expanding fails expand_by will silently return false
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      vs.expand_by(delta, true);
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    }
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  }
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  return 0;
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}
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WB_ENTRY(jint, WB_StressVirtualSpaceResize(JNIEnv* env, jobject o,
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        jlong reserved_space_size, jlong magnitude, jlong iterations))
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  tty->print_cr("reservedSpaceSize="JLONG_FORMAT", magnitude="JLONG_FORMAT", "
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                "iterations="JLONG_FORMAT"\n", reserved_space_size, magnitude,
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                iterations);
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  if (reserved_space_size < 0 || magnitude < 0 || iterations < 0) {
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    tty->print_cr("One of variables printed above is negative. Can't proceed.\n");
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    return 1;
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  }
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  // sizeof(size_t) depends on whether OS is 32bit or 64bit. sizeof(jlong) is
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  // always 8 byte. That's why we should avoid overflow in case of 32bit platform.
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  if (sizeof(size_t) < sizeof(jlong)) {
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    jlong size_t_max_value = (jlong) SIZE_T_MAX_VALUE;
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    if (reserved_space_size > size_t_max_value || magnitude > size_t_max_value
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        || iterations > size_t_max_value) {
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      tty->print_cr("One of variables printed above overflows size_t. Can't proceed.\n");
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      return 2;
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    }
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  }
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  return wb_stress_virtual_space_resize((size_t) reserved_space_size,
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                                        (size_t) magnitude, (size_t) iterations);
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WB_END
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WB_ENTRY(jboolean, WB_isObjectInOldGen(JNIEnv* env, jobject o, jobject obj))
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  oop p = JNIHandles::resolve(obj);
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#if INCLUDE_ALL_GCS
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  if (UseG1GC) {
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    G1CollectedHeap* g1 = G1CollectedHeap::heap();
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    const HeapRegion* hr = g1->heap_region_containing(p);
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    if (hr == NULL) {
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      return false;
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    }
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    return !(hr->is_young());
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  } else if (UseParallelGC) {
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    ParallelScavengeHeap* psh = ParallelScavengeHeap::heap();
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    return !psh->is_in_young(p);
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  }
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#endif // INCLUDE_ALL_GCS
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  GenCollectedHeap* gch = GenCollectedHeap::heap();
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  return !gch->is_in_young(p);
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WB_END
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WB_ENTRY(jlong, WB_GetObjectSize(JNIEnv* env, jobject o, jobject obj))
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  oop p = JNIHandles::resolve(obj);
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  return p->size() * HeapWordSize;
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WB_END
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#if INCLUDE_ALL_GCS
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WB_ENTRY(jboolean, WB_G1IsHumongous(JNIEnv* env, jobject o, jobject obj))
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  G1CollectedHeap* g1 = G1CollectedHeap::heap();
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  oop result = JNIHandles::resolve(obj);
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  const HeapRegion* hr = g1->heap_region_containing(result);
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  return hr->is_humongous();
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WB_END
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WB_ENTRY(jlong, WB_G1NumFreeRegions(JNIEnv* env, jobject o))
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  G1CollectedHeap* g1 = G1CollectedHeap::heap();
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  size_t nr = g1->num_free_regions();
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  return (jlong)nr;
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WB_END
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WB_ENTRY(jboolean, WB_G1InConcurrentMark(JNIEnv* env, jobject o))
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  G1CollectedHeap* g1 = G1CollectedHeap::heap();
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  ConcurrentMark* cm = g1->concurrent_mark();
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  return cm->concurrent_marking_in_progress();
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WB_END
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WB_ENTRY(jint, WB_G1RegionSize(JNIEnv* env, jobject o))
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  return (jint)HeapRegion::GrainBytes;
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WB_END
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#endif // INCLUDE_ALL_GCS
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#if INCLUDE_NMT
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// Alloc memory using the test memory type so that we can use that to see if
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// NMT picks it up correctly
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WB_ENTRY(jlong, WB_NMTMalloc(JNIEnv* env, jobject o, jlong size))
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  jlong addr = 0;
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    addr = (jlong)(uintptr_t)os::malloc(size, mtTest);
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  return addr;
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WB_END
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   288
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// Alloc memory with pseudo call stack. The test can create psudo malloc
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// allocation site to stress the malloc tracking.
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WB_ENTRY(jlong, WB_NMTMallocWithPseudoStack(JNIEnv* env, jobject o, jlong size, jint pseudo_stack))
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  address pc = (address)(size_t)pseudo_stack;
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  NativeCallStack stack(&pc, 1);
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  return (jlong)os::malloc(size, mtTest, stack);
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WB_END
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   296
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// Free the memory allocated by NMTAllocTest
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WB_ENTRY(void, WB_NMTFree(JNIEnv* env, jobject o, jlong mem))
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  os::free((void*)(uintptr_t)mem, mtTest);
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   300
WB_END
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   301
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WB_ENTRY(jlong, WB_NMTReserveMemory(JNIEnv* env, jobject o, jlong size))
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  jlong addr = 0;
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   304
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    addr = (jlong)(uintptr_t)os::reserve_memory(size);
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    MemTracker::record_virtual_memory_type((address)addr, mtTest);
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  return addr;
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   309
WB_END
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   311
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WB_ENTRY(void, WB_NMTCommitMemory(JNIEnv* env, jobject o, jlong addr, jlong size))
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diff changeset
   313
  os::commit_memory((char *)(uintptr_t)addr, size, !ExecMem);
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diff changeset
   314
  MemTracker::record_virtual_memory_type((address)(uintptr_t)addr, mtTest);
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   315
WB_END
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   316
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   317
WB_ENTRY(void, WB_NMTUncommitMemory(JNIEnv* env, jobject o, jlong addr, jlong size))
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diff changeset
   318
  os::uncommit_memory((char *)(uintptr_t)addr, size);
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diff changeset
   319
WB_END
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   320
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   321
WB_ENTRY(void, WB_NMTReleaseMemory(JNIEnv* env, jobject o, jlong addr, jlong size))
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diff changeset
   322
  os::release_memory((char *)(uintptr_t)addr, size);
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diff changeset
   323
WB_END
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   324
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   325
WB_ENTRY(jboolean, WB_NMTIsDetailSupported(JNIEnv* env))
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   326
  return MemTracker::tracking_level() == NMT_detail;
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diff changeset
   327
WB_END
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diff changeset
   328
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diff changeset
   329
WB_ENTRY(void, WB_NMTOverflowHashBucket(JNIEnv* env, jobject o, jlong num))
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diff changeset
   330
  address pc = (address)1;
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diff changeset
   331
  for (jlong index = 0; index < num; index ++) {
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diff changeset
   332
    NativeCallStack stack(&pc, 1);
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diff changeset
   333
    os::malloc(0, mtTest, stack);
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diff changeset
   334
    pc += MallocSiteTable::hash_buckets();
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diff changeset
   335
  }
19554
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cjplummer
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diff changeset
   336
WB_END
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diff changeset
   337
27162
0a4a7276949b 8059100: SIGSEGV VirtualMemoryTracker::remove_released_region
coleenp
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   338
WB_ENTRY(jboolean, WB_NMTChangeTrackingLevel(JNIEnv* env))
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coleenp
parents: 26938
diff changeset
   339
  // Test that we can downgrade NMT levels but not upgrade them.
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coleenp
parents: 26938
diff changeset
   340
  if (MemTracker::tracking_level() == NMT_off) {
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coleenp
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diff changeset
   341
    MemTracker::transition_to(NMT_off);
0a4a7276949b 8059100: SIGSEGV VirtualMemoryTracker::remove_released_region
coleenp
parents: 26938
diff changeset
   342
    return MemTracker::tracking_level() == NMT_off;
0a4a7276949b 8059100: SIGSEGV VirtualMemoryTracker::remove_released_region
coleenp
parents: 26938
diff changeset
   343
  } else {
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coleenp
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diff changeset
   344
    assert(MemTracker::tracking_level() == NMT_detail, "Should start out as detail tracking");
0a4a7276949b 8059100: SIGSEGV VirtualMemoryTracker::remove_released_region
coleenp
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diff changeset
   345
    MemTracker::transition_to(NMT_summary);
0a4a7276949b 8059100: SIGSEGV VirtualMemoryTracker::remove_released_region
coleenp
parents: 26938
diff changeset
   346
    assert(MemTracker::tracking_level() == NMT_summary, "Should be summary now");
25946
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diff changeset
   347
27162
0a4a7276949b 8059100: SIGSEGV VirtualMemoryTracker::remove_released_region
coleenp
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diff changeset
   348
    // Can't go to detail once NMT is set to summary.
0a4a7276949b 8059100: SIGSEGV VirtualMemoryTracker::remove_released_region
coleenp
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diff changeset
   349
    MemTracker::transition_to(NMT_detail);
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coleenp
parents: 26938
diff changeset
   350
    assert(MemTracker::tracking_level() == NMT_summary, "Should still be summary now");
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coleenp
parents: 26938
diff changeset
   351
0a4a7276949b 8059100: SIGSEGV VirtualMemoryTracker::remove_released_region
coleenp
parents: 26938
diff changeset
   352
    // Shutdown sets tracking level to minimal.
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coleenp
parents: 26938
diff changeset
   353
    MemTracker::shutdown();
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coleenp
parents: 26938
diff changeset
   354
    assert(MemTracker::tracking_level() == NMT_minimal, "Should be minimal now");
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coleenp
parents: 26938
diff changeset
   355
0a4a7276949b 8059100: SIGSEGV VirtualMemoryTracker::remove_released_region
coleenp
parents: 26938
diff changeset
   356
    // Once the tracking level is minimal, we cannot increase to summary.
0a4a7276949b 8059100: SIGSEGV VirtualMemoryTracker::remove_released_region
coleenp
parents: 26938
diff changeset
   357
    // The code ignores this request instead of asserting because if the malloc site
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coleenp
parents: 26938
diff changeset
   358
    // table overflows in another thread, it tries to change the code to summary.
0a4a7276949b 8059100: SIGSEGV VirtualMemoryTracker::remove_released_region
coleenp
parents: 26938
diff changeset
   359
    MemTracker::transition_to(NMT_summary);
0a4a7276949b 8059100: SIGSEGV VirtualMemoryTracker::remove_released_region
coleenp
parents: 26938
diff changeset
   360
    assert(MemTracker::tracking_level() == NMT_minimal, "Should still be minimal now");
0a4a7276949b 8059100: SIGSEGV VirtualMemoryTracker::remove_released_region
coleenp
parents: 26938
diff changeset
   361
0a4a7276949b 8059100: SIGSEGV VirtualMemoryTracker::remove_released_region
coleenp
parents: 26938
diff changeset
   362
    // Really can never go up to detail, verify that the code would never do this.
0a4a7276949b 8059100: SIGSEGV VirtualMemoryTracker::remove_released_region
coleenp
parents: 26938
diff changeset
   363
    MemTracker::transition_to(NMT_detail);
0a4a7276949b 8059100: SIGSEGV VirtualMemoryTracker::remove_released_region
coleenp
parents: 26938
diff changeset
   364
    assert(MemTracker::tracking_level() == NMT_minimal, "Should still be minimal now");
0a4a7276949b 8059100: SIGSEGV VirtualMemoryTracker::remove_released_region
coleenp
parents: 26938
diff changeset
   365
    return MemTracker::tracking_level() == NMT_minimal;
0a4a7276949b 8059100: SIGSEGV VirtualMemoryTracker::remove_released_region
coleenp
parents: 26938
diff changeset
   366
  }
0a4a7276949b 8059100: SIGSEGV VirtualMemoryTracker::remove_released_region
coleenp
parents: 26938
diff changeset
   367
WB_END
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diff changeset
   368
#endif // INCLUDE_NMT
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diff changeset
   369
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   370
static jmethodID reflected_method_to_jmid(JavaThread* thread, JNIEnv* env, jobject method) {
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diff changeset
   371
  assert(method != NULL, "method should not be null");
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diff changeset
   372
  ThreadToNativeFromVM ttn(thread);
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diff changeset
   373
  return env->FromReflectedMethod(method);
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diff changeset
   374
}
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diff changeset
   375
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diff changeset
   376
WB_ENTRY(void, WB_DeoptimizeAll(JNIEnv* env, jobject o))
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diff changeset
   377
  MutexLockerEx mu(Compile_lock);
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diff changeset
   378
  CodeCache::mark_all_nmethods_for_deoptimization();
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diff changeset
   379
  VM_Deoptimize op;
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diff changeset
   380
  VMThread::execute(&op);
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diff changeset
   381
WB_END
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diff changeset
   382
19332
ee4c8c2af356 8022832: Add WB APIs for OSR compilation
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parents: 18069
diff changeset
   383
WB_ENTRY(jint, WB_DeoptimizeMethod(JNIEnv* env, jobject o, jobject method, jboolean is_osr))
15621
b094c56bba84 8006683: Add WhiteBox API to testing of compiler
iignatyev
parents: 15484
diff changeset
   384
  jmethodID jmid = reflected_method_to_jmid(thread, env, method);
22786
86644d9539c2 8028785: [parfait] warnings from b116 for hotspot.src.share.vm.prims: JNI exception pending
ccheung
parents: 21571
diff changeset
   385
  int result = 0;
86644d9539c2 8028785: [parfait] warnings from b116 for hotspot.src.share.vm.prims: JNI exception pending
ccheung
parents: 21571
diff changeset
   386
  CHECK_JNI_EXCEPTION_(env, result);
15621
b094c56bba84 8006683: Add WhiteBox API to testing of compiler
iignatyev
parents: 15484
diff changeset
   387
  MutexLockerEx mu(Compile_lock);
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iignatyev
parents: 15484
diff changeset
   388
  methodHandle mh(THREAD, Method::checked_resolve_jmethod_id(jmid));
19332
ee4c8c2af356 8022832: Add WB APIs for OSR compilation
iignatyev
parents: 18069
diff changeset
   389
  if (is_osr) {
27434
b4b185d05bb5 8061817: Whitebox.deoptimizeMethod() does not deoptimize all OSR versions of method
thartmann
parents: 27417
diff changeset
   390
    result += mh->mark_osr_nmethods();
b4b185d05bb5 8061817: Whitebox.deoptimizeMethod() does not deoptimize all OSR versions of method
thartmann
parents: 27417
diff changeset
   391
  } else if (mh->code() != NULL) {
b4b185d05bb5 8061817: Whitebox.deoptimizeMethod() does not deoptimize all OSR versions of method
thartmann
parents: 27417
diff changeset
   392
    mh->code()->mark_for_deoptimization();
15621
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iignatyev
parents: 15484
diff changeset
   393
    ++result;
b094c56bba84 8006683: Add WhiteBox API to testing of compiler
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parents: 15484
diff changeset
   394
  }
b094c56bba84 8006683: Add WhiteBox API to testing of compiler
iignatyev
parents: 15484
diff changeset
   395
  result += CodeCache::mark_for_deoptimization(mh());
b094c56bba84 8006683: Add WhiteBox API to testing of compiler
iignatyev
parents: 15484
diff changeset
   396
  if (result > 0) {
b094c56bba84 8006683: Add WhiteBox API to testing of compiler
iignatyev
parents: 15484
diff changeset
   397
    VM_Deoptimize op;
b094c56bba84 8006683: Add WhiteBox API to testing of compiler
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parents: 15484
diff changeset
   398
    VMThread::execute(&op);
b094c56bba84 8006683: Add WhiteBox API to testing of compiler
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parents: 15484
diff changeset
   399
  }
b094c56bba84 8006683: Add WhiteBox API to testing of compiler
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parents: 15484
diff changeset
   400
  return result;
b094c56bba84 8006683: Add WhiteBox API to testing of compiler
iignatyev
parents: 15484
diff changeset
   401
WB_END
b094c56bba84 8006683: Add WhiteBox API to testing of compiler
iignatyev
parents: 15484
diff changeset
   402
19332
ee4c8c2af356 8022832: Add WB APIs for OSR compilation
iignatyev
parents: 18069
diff changeset
   403
WB_ENTRY(jboolean, WB_IsMethodCompiled(JNIEnv* env, jobject o, jobject method, jboolean is_osr))
15621
b094c56bba84 8006683: Add WhiteBox API to testing of compiler
iignatyev
parents: 15484
diff changeset
   404
  jmethodID jmid = reflected_method_to_jmid(thread, env, method);
22786
86644d9539c2 8028785: [parfait] warnings from b116 for hotspot.src.share.vm.prims: JNI exception pending
ccheung
parents: 21571
diff changeset
   405
  CHECK_JNI_EXCEPTION_(env, JNI_FALSE);
15621
b094c56bba84 8006683: Add WhiteBox API to testing of compiler
iignatyev
parents: 15484
diff changeset
   406
  MutexLockerEx mu(Compile_lock);
b094c56bba84 8006683: Add WhiteBox API to testing of compiler
iignatyev
parents: 15484
diff changeset
   407
  methodHandle mh(THREAD, Method::checked_resolve_jmethod_id(jmid));
19332
ee4c8c2af356 8022832: Add WB APIs for OSR compilation
iignatyev
parents: 18069
diff changeset
   408
  nmethod* code = is_osr ? mh->lookup_osr_nmethod_for(InvocationEntryBci, CompLevel_none, false) : mh->code();
15621
b094c56bba84 8006683: Add WhiteBox API to testing of compiler
iignatyev
parents: 15484
diff changeset
   409
  if (code == NULL) {
b094c56bba84 8006683: Add WhiteBox API to testing of compiler
iignatyev
parents: 15484
diff changeset
   410
    return JNI_FALSE;
b094c56bba84 8006683: Add WhiteBox API to testing of compiler
iignatyev
parents: 15484
diff changeset
   411
  }
b094c56bba84 8006683: Add WhiteBox API to testing of compiler
iignatyev
parents: 15484
diff changeset
   412
  return (code->is_alive() && !code->is_marked_for_deoptimization());
b094c56bba84 8006683: Add WhiteBox API to testing of compiler
iignatyev
parents: 15484
diff changeset
   413
WB_END
b094c56bba84 8006683: Add WhiteBox API to testing of compiler
iignatyev
parents: 15484
diff changeset
   414
19332
ee4c8c2af356 8022832: Add WB APIs for OSR compilation
iignatyev
parents: 18069
diff changeset
   415
WB_ENTRY(jboolean, WB_IsMethodCompilable(JNIEnv* env, jobject o, jobject method, jint comp_level, jboolean is_osr))
15621
b094c56bba84 8006683: Add WhiteBox API to testing of compiler
iignatyev
parents: 15484
diff changeset
   416
  jmethodID jmid = reflected_method_to_jmid(thread, env, method);
22786
86644d9539c2 8028785: [parfait] warnings from b116 for hotspot.src.share.vm.prims: JNI exception pending
ccheung
parents: 21571
diff changeset
   417
  CHECK_JNI_EXCEPTION_(env, JNI_FALSE);
15621
b094c56bba84 8006683: Add WhiteBox API to testing of compiler
iignatyev
parents: 15484
diff changeset
   418
  MutexLockerEx mu(Compile_lock);
b094c56bba84 8006683: Add WhiteBox API to testing of compiler
iignatyev
parents: 15484
diff changeset
   419
  methodHandle mh(THREAD, Method::checked_resolve_jmethod_id(jmid));
19332
ee4c8c2af356 8022832: Add WB APIs for OSR compilation
iignatyev
parents: 18069
diff changeset
   420
  if (is_osr) {
ee4c8c2af356 8022832: Add WB APIs for OSR compilation
iignatyev
parents: 18069
diff changeset
   421
    return CompilationPolicy::can_be_osr_compiled(mh, comp_level);
ee4c8c2af356 8022832: Add WB APIs for OSR compilation
iignatyev
parents: 18069
diff changeset
   422
  } else {
ee4c8c2af356 8022832: Add WB APIs for OSR compilation
iignatyev
parents: 18069
diff changeset
   423
    return CompilationPolicy::can_be_compiled(mh, comp_level);
ee4c8c2af356 8022832: Add WB APIs for OSR compilation
iignatyev
parents: 18069
diff changeset
   424
  }
15621
b094c56bba84 8006683: Add WhiteBox API to testing of compiler
iignatyev
parents: 15484
diff changeset
   425
WB_END
b094c56bba84 8006683: Add WhiteBox API to testing of compiler
iignatyev
parents: 15484
diff changeset
   426
b094c56bba84 8006683: Add WhiteBox API to testing of compiler
iignatyev
parents: 15484
diff changeset
   427
WB_ENTRY(jboolean, WB_IsMethodQueuedForCompilation(JNIEnv* env, jobject o, jobject method))
b094c56bba84 8006683: Add WhiteBox API to testing of compiler
iignatyev
parents: 15484
diff changeset
   428
  jmethodID jmid = reflected_method_to_jmid(thread, env, method);
22786
86644d9539c2 8028785: [parfait] warnings from b116 for hotspot.src.share.vm.prims: JNI exception pending
ccheung
parents: 21571
diff changeset
   429
  CHECK_JNI_EXCEPTION_(env, JNI_FALSE);
15621
b094c56bba84 8006683: Add WhiteBox API to testing of compiler
iignatyev
parents: 15484
diff changeset
   430
  MutexLockerEx mu(Compile_lock);
b094c56bba84 8006683: Add WhiteBox API to testing of compiler
iignatyev
parents: 15484
diff changeset
   431
  methodHandle mh(THREAD, Method::checked_resolve_jmethod_id(jmid));
b094c56bba84 8006683: Add WhiteBox API to testing of compiler
iignatyev
parents: 15484
diff changeset
   432
  return mh->queued_for_compilation();
b094c56bba84 8006683: Add WhiteBox API to testing of compiler
iignatyev
parents: 15484
diff changeset
   433
WB_END
b094c56bba84 8006683: Add WhiteBox API to testing of compiler
iignatyev
parents: 15484
diff changeset
   434
19332
ee4c8c2af356 8022832: Add WB APIs for OSR compilation
iignatyev
parents: 18069
diff changeset
   435
WB_ENTRY(jint, WB_GetMethodCompilationLevel(JNIEnv* env, jobject o, jobject method, jboolean is_osr))
15621
b094c56bba84 8006683: Add WhiteBox API to testing of compiler
iignatyev
parents: 15484
diff changeset
   436
  jmethodID jmid = reflected_method_to_jmid(thread, env, method);
22786
86644d9539c2 8028785: [parfait] warnings from b116 for hotspot.src.share.vm.prims: JNI exception pending
ccheung
parents: 21571
diff changeset
   437
  CHECK_JNI_EXCEPTION_(env, CompLevel_none);
15621
b094c56bba84 8006683: Add WhiteBox API to testing of compiler
iignatyev
parents: 15484
diff changeset
   438
  methodHandle mh(THREAD, Method::checked_resolve_jmethod_id(jmid));
19332
ee4c8c2af356 8022832: Add WB APIs for OSR compilation
iignatyev
parents: 18069
diff changeset
   439
  nmethod* code = is_osr ? mh->lookup_osr_nmethod_for(InvocationEntryBci, CompLevel_none, false) : mh->code();
15621
b094c56bba84 8006683: Add WhiteBox API to testing of compiler
iignatyev
parents: 15484
diff changeset
   440
  return (code != NULL ? code->comp_level() : CompLevel_none);
b094c56bba84 8006683: Add WhiteBox API to testing of compiler
iignatyev
parents: 15484
diff changeset
   441
WB_END
b094c56bba84 8006683: Add WhiteBox API to testing of compiler
iignatyev
parents: 15484
diff changeset
   442
19332
ee4c8c2af356 8022832: Add WB APIs for OSR compilation
iignatyev
parents: 18069
diff changeset
   443
WB_ENTRY(void, WB_MakeMethodNotCompilable(JNIEnv* env, jobject o, jobject method, jint comp_level, jboolean is_osr))
15621
b094c56bba84 8006683: Add WhiteBox API to testing of compiler
iignatyev
parents: 15484
diff changeset
   444
  jmethodID jmid = reflected_method_to_jmid(thread, env, method);
22786
86644d9539c2 8028785: [parfait] warnings from b116 for hotspot.src.share.vm.prims: JNI exception pending
ccheung
parents: 21571
diff changeset
   445
  CHECK_JNI_EXCEPTION(env);
15621
b094c56bba84 8006683: Add WhiteBox API to testing of compiler
iignatyev
parents: 15484
diff changeset
   446
  methodHandle mh(THREAD, Method::checked_resolve_jmethod_id(jmid));
19332
ee4c8c2af356 8022832: Add WB APIs for OSR compilation
iignatyev
parents: 18069
diff changeset
   447
  if (is_osr) {
ee4c8c2af356 8022832: Add WB APIs for OSR compilation
iignatyev
parents: 18069
diff changeset
   448
    mh->set_not_osr_compilable(comp_level, true /* report */, "WhiteBox");
ee4c8c2af356 8022832: Add WB APIs for OSR compilation
iignatyev
parents: 18069
diff changeset
   449
  } else {
ee4c8c2af356 8022832: Add WB APIs for OSR compilation
iignatyev
parents: 18069
diff changeset
   450
    mh->set_not_compilable(comp_level, true /* report */, "WhiteBox");
ee4c8c2af356 8022832: Add WB APIs for OSR compilation
iignatyev
parents: 18069
diff changeset
   451
  }
ee4c8c2af356 8022832: Add WB APIs for OSR compilation
iignatyev
parents: 18069
diff changeset
   452
WB_END
ee4c8c2af356 8022832: Add WB APIs for OSR compilation
iignatyev
parents: 18069
diff changeset
   453
ee4c8c2af356 8022832: Add WB APIs for OSR compilation
iignatyev
parents: 18069
diff changeset
   454
WB_ENTRY(jint, WB_GetMethodEntryBci(JNIEnv* env, jobject o, jobject method))
ee4c8c2af356 8022832: Add WB APIs for OSR compilation
iignatyev
parents: 18069
diff changeset
   455
  jmethodID jmid = reflected_method_to_jmid(thread, env, method);
22786
86644d9539c2 8028785: [parfait] warnings from b116 for hotspot.src.share.vm.prims: JNI exception pending
ccheung
parents: 21571
diff changeset
   456
  CHECK_JNI_EXCEPTION_(env, InvocationEntryBci);
19332
ee4c8c2af356 8022832: Add WB APIs for OSR compilation
iignatyev
parents: 18069
diff changeset
   457
  methodHandle mh(THREAD, Method::checked_resolve_jmethod_id(jmid));
ee4c8c2af356 8022832: Add WB APIs for OSR compilation
iignatyev
parents: 18069
diff changeset
   458
  nmethod* code = mh->lookup_osr_nmethod_for(InvocationEntryBci, CompLevel_none, false);
ee4c8c2af356 8022832: Add WB APIs for OSR compilation
iignatyev
parents: 18069
diff changeset
   459
  return (code != NULL && code->is_osr_method() ? code->osr_entry_bci() : InvocationEntryBci);
15621
b094c56bba84 8006683: Add WhiteBox API to testing of compiler
iignatyev
parents: 15484
diff changeset
   460
WB_END
b094c56bba84 8006683: Add WhiteBox API to testing of compiler
iignatyev
parents: 15484
diff changeset
   461
16689
efce070b8d42 8007288: Additional WB API for compiler's testing
iignatyev
parents: 16601
diff changeset
   462
WB_ENTRY(jboolean, WB_TestSetDontInlineMethod(JNIEnv* env, jobject o, jobject method, jboolean value))
15621
b094c56bba84 8006683: Add WhiteBox API to testing of compiler
iignatyev
parents: 15484
diff changeset
   463
  jmethodID jmid = reflected_method_to_jmid(thread, env, method);
22786
86644d9539c2 8028785: [parfait] warnings from b116 for hotspot.src.share.vm.prims: JNI exception pending
ccheung
parents: 21571
diff changeset
   464
  CHECK_JNI_EXCEPTION_(env, JNI_FALSE);
15621
b094c56bba84 8006683: Add WhiteBox API to testing of compiler
iignatyev
parents: 15484
diff changeset
   465
  methodHandle mh(THREAD, Method::checked_resolve_jmethod_id(jmid));
b094c56bba84 8006683: Add WhiteBox API to testing of compiler
iignatyev
parents: 15484
diff changeset
   466
  bool result = mh->dont_inline();
b094c56bba84 8006683: Add WhiteBox API to testing of compiler
iignatyev
parents: 15484
diff changeset
   467
  mh->set_dont_inline(value == JNI_TRUE);
b094c56bba84 8006683: Add WhiteBox API to testing of compiler
iignatyev
parents: 15484
diff changeset
   468
  return result;
b094c56bba84 8006683: Add WhiteBox API to testing of compiler
iignatyev
parents: 15484
diff changeset
   469
WB_END
b094c56bba84 8006683: Add WhiteBox API to testing of compiler
iignatyev
parents: 15484
diff changeset
   470
19332
ee4c8c2af356 8022832: Add WB APIs for OSR compilation
iignatyev
parents: 18069
diff changeset
   471
WB_ENTRY(jint, WB_GetCompileQueueSize(JNIEnv* env, jobject o, jint comp_level))
ee4c8c2af356 8022832: Add WB APIs for OSR compilation
iignatyev
parents: 18069
diff changeset
   472
  if (comp_level == CompLevel_any) {
ee4c8c2af356 8022832: Add WB APIs for OSR compilation
iignatyev
parents: 18069
diff changeset
   473
    return CompileBroker::queue_size(CompLevel_full_optimization) /* C2 */ +
ee4c8c2af356 8022832: Add WB APIs for OSR compilation
iignatyev
parents: 18069
diff changeset
   474
        CompileBroker::queue_size(CompLevel_full_profile) /* C1 */;
ee4c8c2af356 8022832: Add WB APIs for OSR compilation
iignatyev
parents: 18069
diff changeset
   475
  } else {
ee4c8c2af356 8022832: Add WB APIs for OSR compilation
iignatyev
parents: 18069
diff changeset
   476
    return CompileBroker::queue_size(comp_level);
ee4c8c2af356 8022832: Add WB APIs for OSR compilation
iignatyev
parents: 18069
diff changeset
   477
  }
15621
b094c56bba84 8006683: Add WhiteBox API to testing of compiler
iignatyev
parents: 15484
diff changeset
   478
WB_END
b094c56bba84 8006683: Add WhiteBox API to testing of compiler
iignatyev
parents: 15484
diff changeset
   479
16689
efce070b8d42 8007288: Additional WB API for compiler's testing
iignatyev
parents: 16601
diff changeset
   480
WB_ENTRY(jboolean, WB_TestSetForceInlineMethod(JNIEnv* env, jobject o, jobject method, jboolean value))
efce070b8d42 8007288: Additional WB API for compiler's testing
iignatyev
parents: 16601
diff changeset
   481
  jmethodID jmid = reflected_method_to_jmid(thread, env, method);
22786
86644d9539c2 8028785: [parfait] warnings from b116 for hotspot.src.share.vm.prims: JNI exception pending
ccheung
parents: 21571
diff changeset
   482
  CHECK_JNI_EXCEPTION_(env, JNI_FALSE);
16689
efce070b8d42 8007288: Additional WB API for compiler's testing
iignatyev
parents: 16601
diff changeset
   483
  methodHandle mh(THREAD, Method::checked_resolve_jmethod_id(jmid));
efce070b8d42 8007288: Additional WB API for compiler's testing
iignatyev
parents: 16601
diff changeset
   484
  bool result = mh->force_inline();
efce070b8d42 8007288: Additional WB API for compiler's testing
iignatyev
parents: 16601
diff changeset
   485
  mh->set_force_inline(value == JNI_TRUE);
efce070b8d42 8007288: Additional WB API for compiler's testing
iignatyev
parents: 16601
diff changeset
   486
  return result;
efce070b8d42 8007288: Additional WB API for compiler's testing
iignatyev
parents: 16601
diff changeset
   487
WB_END
efce070b8d42 8007288: Additional WB API for compiler's testing
iignatyev
parents: 16601
diff changeset
   488
19332
ee4c8c2af356 8022832: Add WB APIs for OSR compilation
iignatyev
parents: 18069
diff changeset
   489
WB_ENTRY(jboolean, WB_EnqueueMethodForCompilation(JNIEnv* env, jobject o, jobject method, jint comp_level, jint bci))
16689
efce070b8d42 8007288: Additional WB API for compiler's testing
iignatyev
parents: 16601
diff changeset
   490
  jmethodID jmid = reflected_method_to_jmid(thread, env, method);
22786
86644d9539c2 8028785: [parfait] warnings from b116 for hotspot.src.share.vm.prims: JNI exception pending
ccheung
parents: 21571
diff changeset
   491
  CHECK_JNI_EXCEPTION_(env, JNI_FALSE);
16689
efce070b8d42 8007288: Additional WB API for compiler's testing
iignatyev
parents: 16601
diff changeset
   492
  methodHandle mh(THREAD, Method::checked_resolve_jmethod_id(jmid));
19332
ee4c8c2af356 8022832: Add WB APIs for OSR compilation
iignatyev
parents: 18069
diff changeset
   493
  nmethod* nm = CompileBroker::compile_method(mh, bci, comp_level, mh, mh->invocation_count(), "WhiteBox", THREAD);
16689
efce070b8d42 8007288: Additional WB API for compiler's testing
iignatyev
parents: 16601
diff changeset
   494
  MutexLockerEx mu(Compile_lock);
efce070b8d42 8007288: Additional WB API for compiler's testing
iignatyev
parents: 16601
diff changeset
   495
  return (mh->queued_for_compilation() || nm != NULL);
efce070b8d42 8007288: Additional WB API for compiler's testing
iignatyev
parents: 16601
diff changeset
   496
WB_END
efce070b8d42 8007288: Additional WB API for compiler's testing
iignatyev
parents: 16601
diff changeset
   497
23848
2a4fff3b50c1 8039597: WhiteBox :: clean type profiling data
iignatyev
parents: 23499
diff changeset
   498
class VM_WhiteBoxOperation : public VM_Operation {
2a4fff3b50c1 8039597: WhiteBox :: clean type profiling data
iignatyev
parents: 23499
diff changeset
   499
 public:
2a4fff3b50c1 8039597: WhiteBox :: clean type profiling data
iignatyev
parents: 23499
diff changeset
   500
  VM_WhiteBoxOperation()                         { }
2a4fff3b50c1 8039597: WhiteBox :: clean type profiling data
iignatyev
parents: 23499
diff changeset
   501
  VMOp_Type type()                  const        { return VMOp_WhiteBoxOperation; }
2a4fff3b50c1 8039597: WhiteBox :: clean type profiling data
iignatyev
parents: 23499
diff changeset
   502
  bool allow_nested_vm_operations() const        { return true; }
2a4fff3b50c1 8039597: WhiteBox :: clean type profiling data
iignatyev
parents: 23499
diff changeset
   503
};
2a4fff3b50c1 8039597: WhiteBox :: clean type profiling data
iignatyev
parents: 23499
diff changeset
   504
2a4fff3b50c1 8039597: WhiteBox :: clean type profiling data
iignatyev
parents: 23499
diff changeset
   505
class AlwaysFalseClosure : public BoolObjectClosure {
2a4fff3b50c1 8039597: WhiteBox :: clean type profiling data
iignatyev
parents: 23499
diff changeset
   506
 public:
2a4fff3b50c1 8039597: WhiteBox :: clean type profiling data
iignatyev
parents: 23499
diff changeset
   507
  bool do_object_b(oop p) { return false; }
2a4fff3b50c1 8039597: WhiteBox :: clean type profiling data
iignatyev
parents: 23499
diff changeset
   508
};
2a4fff3b50c1 8039597: WhiteBox :: clean type profiling data
iignatyev
parents: 23499
diff changeset
   509
2a4fff3b50c1 8039597: WhiteBox :: clean type profiling data
iignatyev
parents: 23499
diff changeset
   510
static AlwaysFalseClosure always_false;
2a4fff3b50c1 8039597: WhiteBox :: clean type profiling data
iignatyev
parents: 23499
diff changeset
   511
2a4fff3b50c1 8039597: WhiteBox :: clean type profiling data
iignatyev
parents: 23499
diff changeset
   512
class VM_WhiteBoxCleanMethodData : public VM_WhiteBoxOperation {
2a4fff3b50c1 8039597: WhiteBox :: clean type profiling data
iignatyev
parents: 23499
diff changeset
   513
 public:
2a4fff3b50c1 8039597: WhiteBox :: clean type profiling data
iignatyev
parents: 23499
diff changeset
   514
  VM_WhiteBoxCleanMethodData(MethodData* mdo) : _mdo(mdo) { }
2a4fff3b50c1 8039597: WhiteBox :: clean type profiling data
iignatyev
parents: 23499
diff changeset
   515
  void doit() {
2a4fff3b50c1 8039597: WhiteBox :: clean type profiling data
iignatyev
parents: 23499
diff changeset
   516
    _mdo->clean_method_data(&always_false);
2a4fff3b50c1 8039597: WhiteBox :: clean type profiling data
iignatyev
parents: 23499
diff changeset
   517
  }
2a4fff3b50c1 8039597: WhiteBox :: clean type profiling data
iignatyev
parents: 23499
diff changeset
   518
 private:
2a4fff3b50c1 8039597: WhiteBox :: clean type profiling data
iignatyev
parents: 23499
diff changeset
   519
  MethodData* _mdo;
2a4fff3b50c1 8039597: WhiteBox :: clean type profiling data
iignatyev
parents: 23499
diff changeset
   520
};
2a4fff3b50c1 8039597: WhiteBox :: clean type profiling data
iignatyev
parents: 23499
diff changeset
   521
16689
efce070b8d42 8007288: Additional WB API for compiler's testing
iignatyev
parents: 16601
diff changeset
   522
WB_ENTRY(void, WB_ClearMethodState(JNIEnv* env, jobject o, jobject method))
efce070b8d42 8007288: Additional WB API for compiler's testing
iignatyev
parents: 16601
diff changeset
   523
  jmethodID jmid = reflected_method_to_jmid(thread, env, method);
22786
86644d9539c2 8028785: [parfait] warnings from b116 for hotspot.src.share.vm.prims: JNI exception pending
ccheung
parents: 21571
diff changeset
   524
  CHECK_JNI_EXCEPTION(env);
16689
efce070b8d42 8007288: Additional WB API for compiler's testing
iignatyev
parents: 16601
diff changeset
   525
  methodHandle mh(THREAD, Method::checked_resolve_jmethod_id(jmid));
efce070b8d42 8007288: Additional WB API for compiler's testing
iignatyev
parents: 16601
diff changeset
   526
  MutexLockerEx mu(Compile_lock);
efce070b8d42 8007288: Additional WB API for compiler's testing
iignatyev
parents: 16601
diff changeset
   527
  MethodData* mdo = mh->method_data();
17002
jiangli
parents: 16694
diff changeset
   528
  MethodCounters* mcs = mh->method_counters();
16689
efce070b8d42 8007288: Additional WB API for compiler's testing
iignatyev
parents: 16601
diff changeset
   529
efce070b8d42 8007288: Additional WB API for compiler's testing
iignatyev
parents: 16601
diff changeset
   530
  if (mdo != NULL) {
efce070b8d42 8007288: Additional WB API for compiler's testing
iignatyev
parents: 16601
diff changeset
   531
    mdo->init();
efce070b8d42 8007288: Additional WB API for compiler's testing
iignatyev
parents: 16601
diff changeset
   532
    ResourceMark rm;
efce070b8d42 8007288: Additional WB API for compiler's testing
iignatyev
parents: 16601
diff changeset
   533
    int arg_count = mdo->method()->size_of_parameters();
efce070b8d42 8007288: Additional WB API for compiler's testing
iignatyev
parents: 16601
diff changeset
   534
    for (int i = 0; i < arg_count; i++) {
efce070b8d42 8007288: Additional WB API for compiler's testing
iignatyev
parents: 16601
diff changeset
   535
      mdo->set_arg_modified(i, 0);
efce070b8d42 8007288: Additional WB API for compiler's testing
iignatyev
parents: 16601
diff changeset
   536
    }
23848
2a4fff3b50c1 8039597: WhiteBox :: clean type profiling data
iignatyev
parents: 23499
diff changeset
   537
    VM_WhiteBoxCleanMethodData op(mdo);
2a4fff3b50c1 8039597: WhiteBox :: clean type profiling data
iignatyev
parents: 23499
diff changeset
   538
    VMThread::execute(&op);
16689
efce070b8d42 8007288: Additional WB API for compiler's testing
iignatyev
parents: 16601
diff changeset
   539
  }
efce070b8d42 8007288: Additional WB API for compiler's testing
iignatyev
parents: 16601
diff changeset
   540
efce070b8d42 8007288: Additional WB API for compiler's testing
iignatyev
parents: 16601
diff changeset
   541
  mh->clear_not_c1_compilable();
efce070b8d42 8007288: Additional WB API for compiler's testing
iignatyev
parents: 16601
diff changeset
   542
  mh->clear_not_c2_compilable();
efce070b8d42 8007288: Additional WB API for compiler's testing
iignatyev
parents: 16601
diff changeset
   543
  mh->clear_not_c2_osr_compilable();
efce070b8d42 8007288: Additional WB API for compiler's testing
iignatyev
parents: 16601
diff changeset
   544
  NOT_PRODUCT(mh->set_compiled_invocation_count(0));
17002
jiangli
parents: 16694
diff changeset
   545
  if (mcs != NULL) {
jiangli
parents: 16694
diff changeset
   546
    mcs->backedge_counter()->init();
jiangli
parents: 16694
diff changeset
   547
    mcs->invocation_counter()->init();
jiangli
parents: 16694
diff changeset
   548
    mcs->set_interpreter_invocation_count(0);
jiangli
parents: 16694
diff changeset
   549
    mcs->set_interpreter_throwout_count(0);
16689
efce070b8d42 8007288: Additional WB API for compiler's testing
iignatyev
parents: 16601
diff changeset
   550
efce070b8d42 8007288: Additional WB API for compiler's testing
iignatyev
parents: 16601
diff changeset
   551
#ifdef TIERED
17002
jiangli
parents: 16694
diff changeset
   552
    mcs->set_rate(0.0F);
24443
7aaf1b306b55 8023461: Thread holding lock at safepoint that vm can block on: MethodCompileQueue_lock
vlivanov
parents: 24424
diff changeset
   553
    mh->set_prev_event_count(0);
7aaf1b306b55 8023461: Thread holding lock at safepoint that vm can block on: MethodCompileQueue_lock
vlivanov
parents: 24424
diff changeset
   554
    mh->set_prev_time(0);
16689
efce070b8d42 8007288: Additional WB API for compiler's testing
iignatyev
parents: 16601
diff changeset
   555
#endif
17002
jiangli
parents: 16694
diff changeset
   556
  }
16689
efce070b8d42 8007288: Additional WB API for compiler's testing
iignatyev
parents: 16601
diff changeset
   557
WB_END
efce070b8d42 8007288: Additional WB API for compiler's testing
iignatyev
parents: 16601
diff changeset
   558
24921
3b73ef0b62d1 8038756: new WB API :: get/setVMFlag
iignatyev
parents: 24671
diff changeset
   559
template <typename T>
27417
576e2b527e1c 8061443: Whitebox get*VMFlag() methods fail with develop flags in product builds
thartmann
parents: 27162
diff changeset
   560
static bool GetVMFlag(JavaThread* thread, JNIEnv* env, jstring name, T* value, bool (*TAt)(const char*, T*, bool, bool)) {
24921
3b73ef0b62d1 8038756: new WB API :: get/setVMFlag
iignatyev
parents: 24671
diff changeset
   561
  if (name == NULL) {
3b73ef0b62d1 8038756: new WB API :: get/setVMFlag
iignatyev
parents: 24671
diff changeset
   562
    return false;
3b73ef0b62d1 8038756: new WB API :: get/setVMFlag
iignatyev
parents: 24671
diff changeset
   563
  }
3b73ef0b62d1 8038756: new WB API :: get/setVMFlag
iignatyev
parents: 24671
diff changeset
   564
  ThreadToNativeFromVM ttnfv(thread);   // can't be in VM when we call JNI
3b73ef0b62d1 8038756: new WB API :: get/setVMFlag
iignatyev
parents: 24671
diff changeset
   565
  const char* flag_name = env->GetStringUTFChars(name, NULL);
27417
576e2b527e1c 8061443: Whitebox get*VMFlag() methods fail with develop flags in product builds
thartmann
parents: 27162
diff changeset
   566
  bool result = (*TAt)(flag_name, value, true, true);
24921
3b73ef0b62d1 8038756: new WB API :: get/setVMFlag
iignatyev
parents: 24671
diff changeset
   567
  env->ReleaseStringUTFChars(name, flag_name);
3b73ef0b62d1 8038756: new WB API :: get/setVMFlag
iignatyev
parents: 24671
diff changeset
   568
  return result;
3b73ef0b62d1 8038756: new WB API :: get/setVMFlag
iignatyev
parents: 24671
diff changeset
   569
}
3b73ef0b62d1 8038756: new WB API :: get/setVMFlag
iignatyev
parents: 24671
diff changeset
   570
3b73ef0b62d1 8038756: new WB API :: get/setVMFlag
iignatyev
parents: 24671
diff changeset
   571
template <typename T>
3b73ef0b62d1 8038756: new WB API :: get/setVMFlag
iignatyev
parents: 24671
diff changeset
   572
static bool SetVMFlag(JavaThread* thread, JNIEnv* env, jstring name, T* value, bool (*TAtPut)(const char*, T*, Flag::Flags)) {
3b73ef0b62d1 8038756: new WB API :: get/setVMFlag
iignatyev
parents: 24671
diff changeset
   573
  if (name == NULL) {
3b73ef0b62d1 8038756: new WB API :: get/setVMFlag
iignatyev
parents: 24671
diff changeset
   574
    return false;
3b73ef0b62d1 8038756: new WB API :: get/setVMFlag
iignatyev
parents: 24671
diff changeset
   575
  }
3b73ef0b62d1 8038756: new WB API :: get/setVMFlag
iignatyev
parents: 24671
diff changeset
   576
  ThreadToNativeFromVM ttnfv(thread);   // can't be in VM when we call JNI
3b73ef0b62d1 8038756: new WB API :: get/setVMFlag
iignatyev
parents: 24671
diff changeset
   577
  const char* flag_name = env->GetStringUTFChars(name, NULL);
3b73ef0b62d1 8038756: new WB API :: get/setVMFlag
iignatyev
parents: 24671
diff changeset
   578
  bool result = (*TAtPut)(flag_name, value, Flag::INTERNAL);
3b73ef0b62d1 8038756: new WB API :: get/setVMFlag
iignatyev
parents: 24671
diff changeset
   579
  env->ReleaseStringUTFChars(name, flag_name);
3b73ef0b62d1 8038756: new WB API :: get/setVMFlag
iignatyev
parents: 24671
diff changeset
   580
  return result;
3b73ef0b62d1 8038756: new WB API :: get/setVMFlag
iignatyev
parents: 24671
diff changeset
   581
}
3b73ef0b62d1 8038756: new WB API :: get/setVMFlag
iignatyev
parents: 24671
diff changeset
   582
3b73ef0b62d1 8038756: new WB API :: get/setVMFlag
iignatyev
parents: 24671
diff changeset
   583
template <typename T>
3b73ef0b62d1 8038756: new WB API :: get/setVMFlag
iignatyev
parents: 24671
diff changeset
   584
static jobject box(JavaThread* thread, JNIEnv* env, Symbol* name, Symbol* sig, T value) {
3b73ef0b62d1 8038756: new WB API :: get/setVMFlag
iignatyev
parents: 24671
diff changeset
   585
  ResourceMark rm(thread);
3b73ef0b62d1 8038756: new WB API :: get/setVMFlag
iignatyev
parents: 24671
diff changeset
   586
  jclass clazz = env->FindClass(name->as_C_string());
3b73ef0b62d1 8038756: new WB API :: get/setVMFlag
iignatyev
parents: 24671
diff changeset
   587
  CHECK_JNI_EXCEPTION_(env, NULL);
3b73ef0b62d1 8038756: new WB API :: get/setVMFlag
iignatyev
parents: 24671
diff changeset
   588
  jmethodID methodID = env->GetStaticMethodID(clazz,
3b73ef0b62d1 8038756: new WB API :: get/setVMFlag
iignatyev
parents: 24671
diff changeset
   589
        vmSymbols::valueOf_name()->as_C_string(),
3b73ef0b62d1 8038756: new WB API :: get/setVMFlag
iignatyev
parents: 24671
diff changeset
   590
        sig->as_C_string());
3b73ef0b62d1 8038756: new WB API :: get/setVMFlag
iignatyev
parents: 24671
diff changeset
   591
  CHECK_JNI_EXCEPTION_(env, NULL);
3b73ef0b62d1 8038756: new WB API :: get/setVMFlag
iignatyev
parents: 24671
diff changeset
   592
  jobject result = env->CallStaticObjectMethod(clazz, methodID, value);
3b73ef0b62d1 8038756: new WB API :: get/setVMFlag
iignatyev
parents: 24671
diff changeset
   593
  CHECK_JNI_EXCEPTION_(env, NULL);
3b73ef0b62d1 8038756: new WB API :: get/setVMFlag
iignatyev
parents: 24671
diff changeset
   594
  return result;
3b73ef0b62d1 8038756: new WB API :: get/setVMFlag
iignatyev
parents: 24671
diff changeset
   595
}
3b73ef0b62d1 8038756: new WB API :: get/setVMFlag
iignatyev
parents: 24671
diff changeset
   596
3b73ef0b62d1 8038756: new WB API :: get/setVMFlag
iignatyev
parents: 24671
diff changeset
   597
static jobject booleanBox(JavaThread* thread, JNIEnv* env, jboolean value) {
3b73ef0b62d1 8038756: new WB API :: get/setVMFlag
iignatyev
parents: 24671
diff changeset
   598
  return box(thread, env, vmSymbols::java_lang_Boolean(), vmSymbols::Boolean_valueOf_signature(), value);
3b73ef0b62d1 8038756: new WB API :: get/setVMFlag
iignatyev
parents: 24671
diff changeset
   599
}
3b73ef0b62d1 8038756: new WB API :: get/setVMFlag
iignatyev
parents: 24671
diff changeset
   600
static jobject integerBox(JavaThread* thread, JNIEnv* env, jint value) {
3b73ef0b62d1 8038756: new WB API :: get/setVMFlag
iignatyev
parents: 24671
diff changeset
   601
  return box(thread, env, vmSymbols::java_lang_Integer(), vmSymbols::Integer_valueOf_signature(), value);
3b73ef0b62d1 8038756: new WB API :: get/setVMFlag
iignatyev
parents: 24671
diff changeset
   602
}
3b73ef0b62d1 8038756: new WB API :: get/setVMFlag
iignatyev
parents: 24671
diff changeset
   603
static jobject longBox(JavaThread* thread, JNIEnv* env, jlong value) {
3b73ef0b62d1 8038756: new WB API :: get/setVMFlag
iignatyev
parents: 24671
diff changeset
   604
  return box(thread, env, vmSymbols::java_lang_Long(), vmSymbols::Long_valueOf_signature(), value);
3b73ef0b62d1 8038756: new WB API :: get/setVMFlag
iignatyev
parents: 24671
diff changeset
   605
}
3b73ef0b62d1 8038756: new WB API :: get/setVMFlag
iignatyev
parents: 24671
diff changeset
   606
/* static jobject floatBox(JavaThread* thread, JNIEnv* env, jfloat value) {
3b73ef0b62d1 8038756: new WB API :: get/setVMFlag
iignatyev
parents: 24671
diff changeset
   607
  return box(thread, env, vmSymbols::java_lang_Float(), vmSymbols::Float_valueOf_signature(), value);
3b73ef0b62d1 8038756: new WB API :: get/setVMFlag
iignatyev
parents: 24671
diff changeset
   608
}*/
3b73ef0b62d1 8038756: new WB API :: get/setVMFlag
iignatyev
parents: 24671
diff changeset
   609
static jobject doubleBox(JavaThread* thread, JNIEnv* env, jdouble value) {
3b73ef0b62d1 8038756: new WB API :: get/setVMFlag
iignatyev
parents: 24671
diff changeset
   610
  return box(thread, env, vmSymbols::java_lang_Double(), vmSymbols::Double_valueOf_signature(), value);
3b73ef0b62d1 8038756: new WB API :: get/setVMFlag
iignatyev
parents: 24671
diff changeset
   611
}
3b73ef0b62d1 8038756: new WB API :: get/setVMFlag
iignatyev
parents: 24671
diff changeset
   612
27417
576e2b527e1c 8061443: Whitebox get*VMFlag() methods fail with develop flags in product builds
thartmann
parents: 27162
diff changeset
   613
static Flag* getVMFlag(JavaThread* thread, JNIEnv* env, jstring name) {
576e2b527e1c 8061443: Whitebox get*VMFlag() methods fail with develop flags in product builds
thartmann
parents: 27162
diff changeset
   614
  ThreadToNativeFromVM ttnfv(thread);   // can't be in VM when we call JNI
576e2b527e1c 8061443: Whitebox get*VMFlag() methods fail with develop flags in product builds
thartmann
parents: 27162
diff changeset
   615
  const char* flag_name = env->GetStringUTFChars(name, NULL);
576e2b527e1c 8061443: Whitebox get*VMFlag() methods fail with develop flags in product builds
thartmann
parents: 27162
diff changeset
   616
  Flag* result = Flag::find_flag(flag_name, strlen(flag_name), true, true);
576e2b527e1c 8061443: Whitebox get*VMFlag() methods fail with develop flags in product builds
thartmann
parents: 27162
diff changeset
   617
  env->ReleaseStringUTFChars(name, flag_name);
576e2b527e1c 8061443: Whitebox get*VMFlag() methods fail with develop flags in product builds
thartmann
parents: 27162
diff changeset
   618
  return result;
576e2b527e1c 8061443: Whitebox get*VMFlag() methods fail with develop flags in product builds
thartmann
parents: 27162
diff changeset
   619
}
576e2b527e1c 8061443: Whitebox get*VMFlag() methods fail with develop flags in product builds
thartmann
parents: 27162
diff changeset
   620
576e2b527e1c 8061443: Whitebox get*VMFlag() methods fail with develop flags in product builds
thartmann
parents: 27162
diff changeset
   621
WB_ENTRY(jboolean, WB_IsConstantVMFlag(JNIEnv* env, jobject o, jstring name))
576e2b527e1c 8061443: Whitebox get*VMFlag() methods fail with develop flags in product builds
thartmann
parents: 27162
diff changeset
   622
  Flag* flag = getVMFlag(thread, env, name);
576e2b527e1c 8061443: Whitebox get*VMFlag() methods fail with develop flags in product builds
thartmann
parents: 27162
diff changeset
   623
  return (flag != NULL) && flag->is_constant_in_binary();
576e2b527e1c 8061443: Whitebox get*VMFlag() methods fail with develop flags in product builds
thartmann
parents: 27162
diff changeset
   624
WB_END
576e2b527e1c 8061443: Whitebox get*VMFlag() methods fail with develop flags in product builds
thartmann
parents: 27162
diff changeset
   625
576e2b527e1c 8061443: Whitebox get*VMFlag() methods fail with develop flags in product builds
thartmann
parents: 27162
diff changeset
   626
WB_ENTRY(jboolean, WB_IsLockedVMFlag(JNIEnv* env, jobject o, jstring name))
576e2b527e1c 8061443: Whitebox get*VMFlag() methods fail with develop flags in product builds
thartmann
parents: 27162
diff changeset
   627
  Flag* flag = getVMFlag(thread, env, name);
576e2b527e1c 8061443: Whitebox get*VMFlag() methods fail with develop flags in product builds
thartmann
parents: 27162
diff changeset
   628
  return (flag != NULL) && !(flag->is_unlocked() || flag->is_unlocker());
576e2b527e1c 8061443: Whitebox get*VMFlag() methods fail with develop flags in product builds
thartmann
parents: 27162
diff changeset
   629
WB_END
576e2b527e1c 8061443: Whitebox get*VMFlag() methods fail with develop flags in product builds
thartmann
parents: 27162
diff changeset
   630
24921
3b73ef0b62d1 8038756: new WB API :: get/setVMFlag
iignatyev
parents: 24671
diff changeset
   631
WB_ENTRY(jobject, WB_GetBooleanVMFlag(JNIEnv* env, jobject o, jstring name))
3b73ef0b62d1 8038756: new WB API :: get/setVMFlag
iignatyev
parents: 24671
diff changeset
   632
  bool result;
3b73ef0b62d1 8038756: new WB API :: get/setVMFlag
iignatyev
parents: 24671
diff changeset
   633
  if (GetVMFlag <bool> (thread, env, name, &result, &CommandLineFlags::boolAt)) {
3b73ef0b62d1 8038756: new WB API :: get/setVMFlag
iignatyev
parents: 24671
diff changeset
   634
    ThreadToNativeFromVM ttnfv(thread);   // can't be in VM when we call JNI
3b73ef0b62d1 8038756: new WB API :: get/setVMFlag
iignatyev
parents: 24671
diff changeset
   635
    return booleanBox(thread, env, result);
3b73ef0b62d1 8038756: new WB API :: get/setVMFlag
iignatyev
parents: 24671
diff changeset
   636
  }
3b73ef0b62d1 8038756: new WB API :: get/setVMFlag
iignatyev
parents: 24671
diff changeset
   637
  return NULL;
3b73ef0b62d1 8038756: new WB API :: get/setVMFlag
iignatyev
parents: 24671
diff changeset
   638
WB_END
3b73ef0b62d1 8038756: new WB API :: get/setVMFlag
iignatyev
parents: 24671
diff changeset
   639
3b73ef0b62d1 8038756: new WB API :: get/setVMFlag
iignatyev
parents: 24671
diff changeset
   640
WB_ENTRY(jobject, WB_GetIntxVMFlag(JNIEnv* env, jobject o, jstring name))
3b73ef0b62d1 8038756: new WB API :: get/setVMFlag
iignatyev
parents: 24671
diff changeset
   641
  intx result;
3b73ef0b62d1 8038756: new WB API :: get/setVMFlag
iignatyev
parents: 24671
diff changeset
   642
  if (GetVMFlag <intx> (thread, env, name, &result, &CommandLineFlags::intxAt)) {
3b73ef0b62d1 8038756: new WB API :: get/setVMFlag
iignatyev
parents: 24671
diff changeset
   643
    ThreadToNativeFromVM ttnfv(thread);   // can't be in VM when we call JNI
3b73ef0b62d1 8038756: new WB API :: get/setVMFlag
iignatyev
parents: 24671
diff changeset
   644
    return longBox(thread, env, result);
3b73ef0b62d1 8038756: new WB API :: get/setVMFlag
iignatyev
parents: 24671
diff changeset
   645
  }
3b73ef0b62d1 8038756: new WB API :: get/setVMFlag
iignatyev
parents: 24671
diff changeset
   646
  return NULL;
3b73ef0b62d1 8038756: new WB API :: get/setVMFlag
iignatyev
parents: 24671
diff changeset
   647
WB_END
3b73ef0b62d1 8038756: new WB API :: get/setVMFlag
iignatyev
parents: 24671
diff changeset
   648
3b73ef0b62d1 8038756: new WB API :: get/setVMFlag
iignatyev
parents: 24671
diff changeset
   649
WB_ENTRY(jobject, WB_GetUintxVMFlag(JNIEnv* env, jobject o, jstring name))
3b73ef0b62d1 8038756: new WB API :: get/setVMFlag
iignatyev
parents: 24671
diff changeset
   650
  uintx result;
3b73ef0b62d1 8038756: new WB API :: get/setVMFlag
iignatyev
parents: 24671
diff changeset
   651
  if (GetVMFlag <uintx> (thread, env, name, &result, &CommandLineFlags::uintxAt)) {
3b73ef0b62d1 8038756: new WB API :: get/setVMFlag
iignatyev
parents: 24671
diff changeset
   652
    ThreadToNativeFromVM ttnfv(thread);   // can't be in VM when we call JNI
3b73ef0b62d1 8038756: new WB API :: get/setVMFlag
iignatyev
parents: 24671
diff changeset
   653
    return longBox(thread, env, result);
3b73ef0b62d1 8038756: new WB API :: get/setVMFlag
iignatyev
parents: 24671
diff changeset
   654
  }
3b73ef0b62d1 8038756: new WB API :: get/setVMFlag
iignatyev
parents: 24671
diff changeset
   655
  return NULL;
3b73ef0b62d1 8038756: new WB API :: get/setVMFlag
iignatyev
parents: 24671
diff changeset
   656
WB_END
3b73ef0b62d1 8038756: new WB API :: get/setVMFlag
iignatyev
parents: 24671
diff changeset
   657
3b73ef0b62d1 8038756: new WB API :: get/setVMFlag
iignatyev
parents: 24671
diff changeset
   658
WB_ENTRY(jobject, WB_GetUint64VMFlag(JNIEnv* env, jobject o, jstring name))
3b73ef0b62d1 8038756: new WB API :: get/setVMFlag
iignatyev
parents: 24671
diff changeset
   659
  uint64_t result;
3b73ef0b62d1 8038756: new WB API :: get/setVMFlag
iignatyev
parents: 24671
diff changeset
   660
  if (GetVMFlag <uint64_t> (thread, env, name, &result, &CommandLineFlags::uint64_tAt)) {
3b73ef0b62d1 8038756: new WB API :: get/setVMFlag
iignatyev
parents: 24671
diff changeset
   661
    ThreadToNativeFromVM ttnfv(thread);   // can't be in VM when we call JNI
3b73ef0b62d1 8038756: new WB API :: get/setVMFlag
iignatyev
parents: 24671
diff changeset
   662
    return longBox(thread, env, result);
3b73ef0b62d1 8038756: new WB API :: get/setVMFlag
iignatyev
parents: 24671
diff changeset
   663
  }
3b73ef0b62d1 8038756: new WB API :: get/setVMFlag
iignatyev
parents: 24671
diff changeset
   664
  return NULL;
3b73ef0b62d1 8038756: new WB API :: get/setVMFlag
iignatyev
parents: 24671
diff changeset
   665
WB_END
3b73ef0b62d1 8038756: new WB API :: get/setVMFlag
iignatyev
parents: 24671
diff changeset
   666
25959
6c11a6272b60 8054823: Add size_t as a valid VM flag type
stefank
parents: 25716
diff changeset
   667
WB_ENTRY(jobject, WB_GetSizeTVMFlag(JNIEnv* env, jobject o, jstring name))
6c11a6272b60 8054823: Add size_t as a valid VM flag type
stefank
parents: 25716
diff changeset
   668
  uintx result;
6c11a6272b60 8054823: Add size_t as a valid VM flag type
stefank
parents: 25716
diff changeset
   669
  if (GetVMFlag <size_t> (thread, env, name, &result, &CommandLineFlags::size_tAt)) {
6c11a6272b60 8054823: Add size_t as a valid VM flag type
stefank
parents: 25716
diff changeset
   670
    ThreadToNativeFromVM ttnfv(thread);   // can't be in VM when we call JNI
6c11a6272b60 8054823: Add size_t as a valid VM flag type
stefank
parents: 25716
diff changeset
   671
    return longBox(thread, env, result);
6c11a6272b60 8054823: Add size_t as a valid VM flag type
stefank
parents: 25716
diff changeset
   672
  }
6c11a6272b60 8054823: Add size_t as a valid VM flag type
stefank
parents: 25716
diff changeset
   673
  return NULL;
6c11a6272b60 8054823: Add size_t as a valid VM flag type
stefank
parents: 25716
diff changeset
   674
WB_END
6c11a6272b60 8054823: Add size_t as a valid VM flag type
stefank
parents: 25716
diff changeset
   675
24921
3b73ef0b62d1 8038756: new WB API :: get/setVMFlag
iignatyev
parents: 24671
diff changeset
   676
WB_ENTRY(jobject, WB_GetDoubleVMFlag(JNIEnv* env, jobject o, jstring name))
3b73ef0b62d1 8038756: new WB API :: get/setVMFlag
iignatyev
parents: 24671
diff changeset
   677
  double result;
3b73ef0b62d1 8038756: new WB API :: get/setVMFlag
iignatyev
parents: 24671
diff changeset
   678
  if (GetVMFlag <double> (thread, env, name, &result, &CommandLineFlags::doubleAt)) {
3b73ef0b62d1 8038756: new WB API :: get/setVMFlag
iignatyev
parents: 24671
diff changeset
   679
    ThreadToNativeFromVM ttnfv(thread);   // can't be in VM when we call JNI
3b73ef0b62d1 8038756: new WB API :: get/setVMFlag
iignatyev
parents: 24671
diff changeset
   680
    return doubleBox(thread, env, result);
3b73ef0b62d1 8038756: new WB API :: get/setVMFlag
iignatyev
parents: 24671
diff changeset
   681
  }
3b73ef0b62d1 8038756: new WB API :: get/setVMFlag
iignatyev
parents: 24671
diff changeset
   682
  return NULL;
3b73ef0b62d1 8038756: new WB API :: get/setVMFlag
iignatyev
parents: 24671
diff changeset
   683
WB_END
3b73ef0b62d1 8038756: new WB API :: get/setVMFlag
iignatyev
parents: 24671
diff changeset
   684
3b73ef0b62d1 8038756: new WB API :: get/setVMFlag
iignatyev
parents: 24671
diff changeset
   685
WB_ENTRY(jstring, WB_GetStringVMFlag(JNIEnv* env, jobject o, jstring name))
3b73ef0b62d1 8038756: new WB API :: get/setVMFlag
iignatyev
parents: 24671
diff changeset
   686
  ccstr ccstrResult;
3b73ef0b62d1 8038756: new WB API :: get/setVMFlag
iignatyev
parents: 24671
diff changeset
   687
  if (GetVMFlag <ccstr> (thread, env, name, &ccstrResult, &CommandLineFlags::ccstrAt)) {
3b73ef0b62d1 8038756: new WB API :: get/setVMFlag
iignatyev
parents: 24671
diff changeset
   688
    ThreadToNativeFromVM ttnfv(thread);   // can't be in VM when we call JNI
3b73ef0b62d1 8038756: new WB API :: get/setVMFlag
iignatyev
parents: 24671
diff changeset
   689
    jstring result = env->NewStringUTF(ccstrResult);
3b73ef0b62d1 8038756: new WB API :: get/setVMFlag
iignatyev
parents: 24671
diff changeset
   690
    CHECK_JNI_EXCEPTION_(env, NULL);
3b73ef0b62d1 8038756: new WB API :: get/setVMFlag
iignatyev
parents: 24671
diff changeset
   691
    return result;
3b73ef0b62d1 8038756: new WB API :: get/setVMFlag
iignatyev
parents: 24671
diff changeset
   692
  }
3b73ef0b62d1 8038756: new WB API :: get/setVMFlag
iignatyev
parents: 24671
diff changeset
   693
  return NULL;
3b73ef0b62d1 8038756: new WB API :: get/setVMFlag
iignatyev
parents: 24671
diff changeset
   694
WB_END
3b73ef0b62d1 8038756: new WB API :: get/setVMFlag
iignatyev
parents: 24671
diff changeset
   695
3b73ef0b62d1 8038756: new WB API :: get/setVMFlag
iignatyev
parents: 24671
diff changeset
   696
WB_ENTRY(void, WB_SetBooleanVMFlag(JNIEnv* env, jobject o, jstring name, jboolean value))
3b73ef0b62d1 8038756: new WB API :: get/setVMFlag
iignatyev
parents: 24671
diff changeset
   697
  bool result = value == JNI_TRUE ? true : false;
3b73ef0b62d1 8038756: new WB API :: get/setVMFlag
iignatyev
parents: 24671
diff changeset
   698
  SetVMFlag <bool> (thread, env, name, &result, &CommandLineFlags::boolAtPut);
3b73ef0b62d1 8038756: new WB API :: get/setVMFlag
iignatyev
parents: 24671
diff changeset
   699
WB_END
3b73ef0b62d1 8038756: new WB API :: get/setVMFlag
iignatyev
parents: 24671
diff changeset
   700
3b73ef0b62d1 8038756: new WB API :: get/setVMFlag
iignatyev
parents: 24671
diff changeset
   701
WB_ENTRY(void, WB_SetIntxVMFlag(JNIEnv* env, jobject o, jstring name, jlong value))
3b73ef0b62d1 8038756: new WB API :: get/setVMFlag
iignatyev
parents: 24671
diff changeset
   702
  intx result = value;
3b73ef0b62d1 8038756: new WB API :: get/setVMFlag
iignatyev
parents: 24671
diff changeset
   703
  SetVMFlag <intx> (thread, env, name, &result, &CommandLineFlags::intxAtPut);
3b73ef0b62d1 8038756: new WB API :: get/setVMFlag
iignatyev
parents: 24671
diff changeset
   704
WB_END
3b73ef0b62d1 8038756: new WB API :: get/setVMFlag
iignatyev
parents: 24671
diff changeset
   705
3b73ef0b62d1 8038756: new WB API :: get/setVMFlag
iignatyev
parents: 24671
diff changeset
   706
WB_ENTRY(void, WB_SetUintxVMFlag(JNIEnv* env, jobject o, jstring name, jlong value))
3b73ef0b62d1 8038756: new WB API :: get/setVMFlag
iignatyev
parents: 24671
diff changeset
   707
  uintx result = value;
3b73ef0b62d1 8038756: new WB API :: get/setVMFlag
iignatyev
parents: 24671
diff changeset
   708
  SetVMFlag <uintx> (thread, env, name, &result, &CommandLineFlags::uintxAtPut);
3b73ef0b62d1 8038756: new WB API :: get/setVMFlag
iignatyev
parents: 24671
diff changeset
   709
WB_END
3b73ef0b62d1 8038756: new WB API :: get/setVMFlag
iignatyev
parents: 24671
diff changeset
   710
3b73ef0b62d1 8038756: new WB API :: get/setVMFlag
iignatyev
parents: 24671
diff changeset
   711
WB_ENTRY(void, WB_SetUint64VMFlag(JNIEnv* env, jobject o, jstring name, jlong value))
3b73ef0b62d1 8038756: new WB API :: get/setVMFlag
iignatyev
parents: 24671
diff changeset
   712
  uint64_t result = value;
3b73ef0b62d1 8038756: new WB API :: get/setVMFlag
iignatyev
parents: 24671
diff changeset
   713
  SetVMFlag <uint64_t> (thread, env, name, &result, &CommandLineFlags::uint64_tAtPut);
3b73ef0b62d1 8038756: new WB API :: get/setVMFlag
iignatyev
parents: 24671
diff changeset
   714
WB_END
3b73ef0b62d1 8038756: new WB API :: get/setVMFlag
iignatyev
parents: 24671
diff changeset
   715
25959
6c11a6272b60 8054823: Add size_t as a valid VM flag type
stefank
parents: 25716
diff changeset
   716
WB_ENTRY(void, WB_SetSizeTVMFlag(JNIEnv* env, jobject o, jstring name, jlong value))
6c11a6272b60 8054823: Add size_t as a valid VM flag type
stefank
parents: 25716
diff changeset
   717
  size_t result = value;
6c11a6272b60 8054823: Add size_t as a valid VM flag type
stefank
parents: 25716
diff changeset
   718
  SetVMFlag <size_t> (thread, env, name, &result, &CommandLineFlags::size_tAtPut);
6c11a6272b60 8054823: Add size_t as a valid VM flag type
stefank
parents: 25716
diff changeset
   719
WB_END
6c11a6272b60 8054823: Add size_t as a valid VM flag type
stefank
parents: 25716
diff changeset
   720
24921
3b73ef0b62d1 8038756: new WB API :: get/setVMFlag
iignatyev
parents: 24671
diff changeset
   721
WB_ENTRY(void, WB_SetDoubleVMFlag(JNIEnv* env, jobject o, jstring name, jdouble value))
3b73ef0b62d1 8038756: new WB API :: get/setVMFlag
iignatyev
parents: 24671
diff changeset
   722
  double result = value;
3b73ef0b62d1 8038756: new WB API :: get/setVMFlag
iignatyev
parents: 24671
diff changeset
   723
  SetVMFlag <double> (thread, env, name, &result, &CommandLineFlags::doubleAtPut);
3b73ef0b62d1 8038756: new WB API :: get/setVMFlag
iignatyev
parents: 24671
diff changeset
   724
WB_END
3b73ef0b62d1 8038756: new WB API :: get/setVMFlag
iignatyev
parents: 24671
diff changeset
   725
3b73ef0b62d1 8038756: new WB API :: get/setVMFlag
iignatyev
parents: 24671
diff changeset
   726
WB_ENTRY(void, WB_SetStringVMFlag(JNIEnv* env, jobject o, jstring name, jstring value))
3b73ef0b62d1 8038756: new WB API :: get/setVMFlag
iignatyev
parents: 24671
diff changeset
   727
  ThreadToNativeFromVM ttnfv(thread);   // can't be in VM when we call JNI
3b73ef0b62d1 8038756: new WB API :: get/setVMFlag
iignatyev
parents: 24671
diff changeset
   728
  const char* ccstrValue = (value == NULL) ? NULL : env->GetStringUTFChars(value, NULL);
3b73ef0b62d1 8038756: new WB API :: get/setVMFlag
iignatyev
parents: 24671
diff changeset
   729
  ccstr ccstrResult = ccstrValue;
3b73ef0b62d1 8038756: new WB API :: get/setVMFlag
iignatyev
parents: 24671
diff changeset
   730
  bool needFree;
3b73ef0b62d1 8038756: new WB API :: get/setVMFlag
iignatyev
parents: 24671
diff changeset
   731
  {
3b73ef0b62d1 8038756: new WB API :: get/setVMFlag
iignatyev
parents: 24671
diff changeset
   732
    ThreadInVMfromNative ttvfn(thread); // back to VM
3b73ef0b62d1 8038756: new WB API :: get/setVMFlag
iignatyev
parents: 24671
diff changeset
   733
    needFree = SetVMFlag <ccstr> (thread, env, name, &ccstrResult, &CommandLineFlags::ccstrAtPut);
3b73ef0b62d1 8038756: new WB API :: get/setVMFlag
iignatyev
parents: 24671
diff changeset
   734
  }
3b73ef0b62d1 8038756: new WB API :: get/setVMFlag
iignatyev
parents: 24671
diff changeset
   735
  if (value != NULL) {
3b73ef0b62d1 8038756: new WB API :: get/setVMFlag
iignatyev
parents: 24671
diff changeset
   736
    env->ReleaseStringUTFChars(value, ccstrValue);
3b73ef0b62d1 8038756: new WB API :: get/setVMFlag
iignatyev
parents: 24671
diff changeset
   737
  }
3b73ef0b62d1 8038756: new WB API :: get/setVMFlag
iignatyev
parents: 24671
diff changeset
   738
  if (needFree) {
3b73ef0b62d1 8038756: new WB API :: get/setVMFlag
iignatyev
parents: 24671
diff changeset
   739
    FREE_C_HEAP_ARRAY(char, ccstrResult, mtInternal);
3b73ef0b62d1 8038756: new WB API :: get/setVMFlag
iignatyev
parents: 24671
diff changeset
   740
  }
3b73ef0b62d1 8038756: new WB API :: get/setVMFlag
iignatyev
parents: 24671
diff changeset
   741
WB_END
3b73ef0b62d1 8038756: new WB API :: get/setVMFlag
iignatyev
parents: 24671
diff changeset
   742
3b73ef0b62d1 8038756: new WB API :: get/setVMFlag
iignatyev
parents: 24671
diff changeset
   743
16601
7c6db0c8952f 8009763: Add WB test for String.intern()
mgerdin
parents: 15621
diff changeset
   744
WB_ENTRY(jboolean, WB_IsInStringTable(JNIEnv* env, jobject o, jstring javaString))
7c6db0c8952f 8009763: Add WB test for String.intern()
mgerdin
parents: 15621
diff changeset
   745
  ResourceMark rm(THREAD);
7c6db0c8952f 8009763: Add WB test for String.intern()
mgerdin
parents: 15621
diff changeset
   746
  int len;
17081
cf52c2bc3f8c 8011773: Some tests on Interned String crashed JVM with OOM
hseigel
parents: 17018
diff changeset
   747
  jchar* name = java_lang_String::as_unicode_string(JNIHandles::resolve(javaString), len, CHECK_false);
cf52c2bc3f8c 8011773: Some tests on Interned String crashed JVM with OOM
hseigel
parents: 17018
diff changeset
   748
  return (StringTable::lookup(name, len) != NULL);
16601
7c6db0c8952f 8009763: Add WB test for String.intern()
mgerdin
parents: 15621
diff changeset
   749
WB_END
7c6db0c8952f 8009763: Add WB test for String.intern()
mgerdin
parents: 15621
diff changeset
   750
7c6db0c8952f 8009763: Add WB test for String.intern()
mgerdin
parents: 15621
diff changeset
   751
WB_ENTRY(void, WB_FullGC(JNIEnv* env, jobject o))
7c6db0c8952f 8009763: Add WB test for String.intern()
mgerdin
parents: 15621
diff changeset
   752
  Universe::heap()->collector_policy()->set_should_clear_all_soft_refs(true);
7c6db0c8952f 8009763: Add WB test for String.intern()
mgerdin
parents: 15621
diff changeset
   753
  Universe::heap()->collect(GCCause::_last_ditch_collection);
26844
80398753ed99 8057752: WhiteBox extension support for testing
sjohanss
parents: 26183
diff changeset
   754
#if INCLUDE_ALL_GCS
80398753ed99 8057752: WhiteBox extension support for testing
sjohanss
parents: 26183
diff changeset
   755
  if (UseG1GC) {
80398753ed99 8057752: WhiteBox extension support for testing
sjohanss
parents: 26183
diff changeset
   756
    // Needs to be cleared explicitly for G1
80398753ed99 8057752: WhiteBox extension support for testing
sjohanss
parents: 26183
diff changeset
   757
    Universe::heap()->collector_policy()->set_should_clear_all_soft_refs(false);
80398753ed99 8057752: WhiteBox extension support for testing
sjohanss
parents: 26183
diff changeset
   758
  }
80398753ed99 8057752: WhiteBox extension support for testing
sjohanss
parents: 26183
diff changeset
   759
#endif // INCLUDE_ALL_GCS
16601
7c6db0c8952f 8009763: Add WB test for String.intern()
mgerdin
parents: 15621
diff changeset
   760
WB_END
7c6db0c8952f 8009763: Add WB test for String.intern()
mgerdin
parents: 15621
diff changeset
   761
26183
bbe259d3c8bc 8055098: WB API should be extended to provide information about size and age of object.
tschatzl
parents: 26157
diff changeset
   762
WB_ENTRY(void, WB_YoungGC(JNIEnv* env, jobject o))
bbe259d3c8bc 8055098: WB API should be extended to provide information about size and age of object.
tschatzl
parents: 26157
diff changeset
   763
  Universe::heap()->collect(GCCause::_wb_young_gc);
bbe259d3c8bc 8055098: WB API should be extended to provide information about size and age of object.
tschatzl
parents: 26157
diff changeset
   764
WB_END
17083
14000894ef39 8012015: Use PROT_NONE when reserving memory
mikael
parents: 17081
diff changeset
   765
17824
24dc83d7c1d7 8013726: runtime/memory/ReserveMemory.java fails due to 'assert(bytes % os::vm_allocation_granularity() == 0) failed: reserve block size'
mikael
parents: 17322
diff changeset
   766
WB_ENTRY(void, WB_ReadReservedMemory(JNIEnv* env, jobject o))
24dc83d7c1d7 8013726: runtime/memory/ReserveMemory.java fails due to 'assert(bytes % os::vm_allocation_granularity() == 0) failed: reserve block size'
mikael
parents: 17322
diff changeset
   767
  // static+volatile in order to force the read to happen
24dc83d7c1d7 8013726: runtime/memory/ReserveMemory.java fails due to 'assert(bytes % os::vm_allocation_granularity() == 0) failed: reserve block size'
mikael
parents: 17322
diff changeset
   768
  // (not be eliminated by the compiler)
24dc83d7c1d7 8013726: runtime/memory/ReserveMemory.java fails due to 'assert(bytes % os::vm_allocation_granularity() == 0) failed: reserve block size'
mikael
parents: 17322
diff changeset
   769
  static char c;
24dc83d7c1d7 8013726: runtime/memory/ReserveMemory.java fails due to 'assert(bytes % os::vm_allocation_granularity() == 0) failed: reserve block size'
mikael
parents: 17322
diff changeset
   770
  static volatile char* p;
24dc83d7c1d7 8013726: runtime/memory/ReserveMemory.java fails due to 'assert(bytes % os::vm_allocation_granularity() == 0) failed: reserve block size'
mikael
parents: 17322
diff changeset
   771
24dc83d7c1d7 8013726: runtime/memory/ReserveMemory.java fails due to 'assert(bytes % os::vm_allocation_granularity() == 0) failed: reserve block size'
mikael
parents: 17322
diff changeset
   772
  p = os::reserve_memory(os::vm_allocation_granularity(), NULL, 0);
24dc83d7c1d7 8013726: runtime/memory/ReserveMemory.java fails due to 'assert(bytes % os::vm_allocation_granularity() == 0) failed: reserve block size'
mikael
parents: 17322
diff changeset
   773
  if (p == NULL) {
24dc83d7c1d7 8013726: runtime/memory/ReserveMemory.java fails due to 'assert(bytes % os::vm_allocation_granularity() == 0) failed: reserve block size'
mikael
parents: 17322
diff changeset
   774
    THROW_MSG(vmSymbols::java_lang_OutOfMemoryError(), "Failed to reserve memory");
24dc83d7c1d7 8013726: runtime/memory/ReserveMemory.java fails due to 'assert(bytes % os::vm_allocation_granularity() == 0) failed: reserve block size'
mikael
parents: 17322
diff changeset
   775
  }
24dc83d7c1d7 8013726: runtime/memory/ReserveMemory.java fails due to 'assert(bytes % os::vm_allocation_granularity() == 0) failed: reserve block size'
mikael
parents: 17322
diff changeset
   776
24dc83d7c1d7 8013726: runtime/memory/ReserveMemory.java fails due to 'assert(bytes % os::vm_allocation_granularity() == 0) failed: reserve block size'
mikael
parents: 17322
diff changeset
   777
  c = *p;
17083
14000894ef39 8012015: Use PROT_NONE when reserving memory
mikael
parents: 17081
diff changeset
   778
WB_END
14000894ef39 8012015: Use PROT_NONE when reserving memory
mikael
parents: 17081
diff changeset
   779
23493
170c77c1103a 8035857: Add tests to verify correctness of operations with BMI1 and LZCNT instructions
iignatyev
parents: 22795
diff changeset
   780
WB_ENTRY(jstring, WB_GetCPUFeatures(JNIEnv* env, jobject o))
170c77c1103a 8035857: Add tests to verify correctness of operations with BMI1 and LZCNT instructions
iignatyev
parents: 22795
diff changeset
   781
  const char* cpu_features = VM_Version::cpu_features();
170c77c1103a 8035857: Add tests to verify correctness of operations with BMI1 and LZCNT instructions
iignatyev
parents: 22795
diff changeset
   782
  ThreadToNativeFromVM ttn(thread);
170c77c1103a 8035857: Add tests to verify correctness of operations with BMI1 and LZCNT instructions
iignatyev
parents: 22795
diff changeset
   783
  jstring features_string = env->NewStringUTF(cpu_features);
170c77c1103a 8035857: Add tests to verify correctness of operations with BMI1 and LZCNT instructions
iignatyev
parents: 22795
diff changeset
   784
170c77c1103a 8035857: Add tests to verify correctness of operations with BMI1 and LZCNT instructions
iignatyev
parents: 22795
diff changeset
   785
  CHECK_JNI_EXCEPTION_(env, NULL);
170c77c1103a 8035857: Add tests to verify correctness of operations with BMI1 and LZCNT instructions
iignatyev
parents: 22795
diff changeset
   786
170c77c1103a 8035857: Add tests to verify correctness of operations with BMI1 and LZCNT instructions
iignatyev
parents: 22795
diff changeset
   787
  return features_string;
170c77c1103a 8035857: Add tests to verify correctness of operations with BMI1 and LZCNT instructions
iignatyev
parents: 22795
diff changeset
   788
WB_END
170c77c1103a 8035857: Add tests to verify correctness of operations with BMI1 and LZCNT instructions
iignatyev
parents: 22795
diff changeset
   789
23499
9d5b7480c9f4 8038240: new WB API to get nmethod
iignatyev
parents: 23493
diff changeset
   790
9d5b7480c9f4 8038240: new WB API to get nmethod
iignatyev
parents: 23493
diff changeset
   791
WB_ENTRY(jobjectArray, WB_GetNMethod(JNIEnv* env, jobject o, jobject method, jboolean is_osr))
9d5b7480c9f4 8038240: new WB API to get nmethod
iignatyev
parents: 23493
diff changeset
   792
  ResourceMark rm(THREAD);
9d5b7480c9f4 8038240: new WB API to get nmethod
iignatyev
parents: 23493
diff changeset
   793
  jmethodID jmid = reflected_method_to_jmid(thread, env, method);
9d5b7480c9f4 8038240: new WB API to get nmethod
iignatyev
parents: 23493
diff changeset
   794
  CHECK_JNI_EXCEPTION_(env, NULL);
9d5b7480c9f4 8038240: new WB API to get nmethod
iignatyev
parents: 23493
diff changeset
   795
  methodHandle mh(THREAD, Method::checked_resolve_jmethod_id(jmid));
9d5b7480c9f4 8038240: new WB API to get nmethod
iignatyev
parents: 23493
diff changeset
   796
  nmethod* code = is_osr ? mh->lookup_osr_nmethod_for(InvocationEntryBci, CompLevel_none, false) : mh->code();
9d5b7480c9f4 8038240: new WB API to get nmethod
iignatyev
parents: 23493
diff changeset
   797
  jobjectArray result = NULL;
9d5b7480c9f4 8038240: new WB API to get nmethod
iignatyev
parents: 23493
diff changeset
   798
  if (code == NULL) {
9d5b7480c9f4 8038240: new WB API to get nmethod
iignatyev
parents: 23493
diff changeset
   799
    return result;
9d5b7480c9f4 8038240: new WB API to get nmethod
iignatyev
parents: 23493
diff changeset
   800
  }
9d5b7480c9f4 8038240: new WB API to get nmethod
iignatyev
parents: 23493
diff changeset
   801
  int insts_size = code->insts_size();
9d5b7480c9f4 8038240: new WB API to get nmethod
iignatyev
parents: 23493
diff changeset
   802
9d5b7480c9f4 8038240: new WB API to get nmethod
iignatyev
parents: 23493
diff changeset
   803
  ThreadToNativeFromVM ttn(thread);
9d5b7480c9f4 8038240: new WB API to get nmethod
iignatyev
parents: 23493
diff changeset
   804
  jclass clazz = env->FindClass(vmSymbols::java_lang_Object()->as_C_string());
9d5b7480c9f4 8038240: new WB API to get nmethod
iignatyev
parents: 23493
diff changeset
   805
  CHECK_JNI_EXCEPTION_(env, NULL);
9d5b7480c9f4 8038240: new WB API to get nmethod
iignatyev
parents: 23493
diff changeset
   806
  result = env->NewObjectArray(2, clazz, NULL);
9d5b7480c9f4 8038240: new WB API to get nmethod
iignatyev
parents: 23493
diff changeset
   807
  if (result == NULL) {
9d5b7480c9f4 8038240: new WB API to get nmethod
iignatyev
parents: 23493
diff changeset
   808
    return result;
9d5b7480c9f4 8038240: new WB API to get nmethod
iignatyev
parents: 23493
diff changeset
   809
  }
9d5b7480c9f4 8038240: new WB API to get nmethod
iignatyev
parents: 23493
diff changeset
   810
24921
3b73ef0b62d1 8038756: new WB API :: get/setVMFlag
iignatyev
parents: 24671
diff changeset
   811
  jobject obj = integerBox(thread, env, code->comp_level());
23499
9d5b7480c9f4 8038240: new WB API to get nmethod
iignatyev
parents: 23493
diff changeset
   812
  CHECK_JNI_EXCEPTION_(env, NULL);
9d5b7480c9f4 8038240: new WB API to get nmethod
iignatyev
parents: 23493
diff changeset
   813
  env->SetObjectArrayElement(result, 0, obj);
9d5b7480c9f4 8038240: new WB API to get nmethod
iignatyev
parents: 23493
diff changeset
   814
9d5b7480c9f4 8038240: new WB API to get nmethod
iignatyev
parents: 23493
diff changeset
   815
  jbyteArray insts = env->NewByteArray(insts_size);
9d5b7480c9f4 8038240: new WB API to get nmethod
iignatyev
parents: 23493
diff changeset
   816
  CHECK_JNI_EXCEPTION_(env, NULL);
9d5b7480c9f4 8038240: new WB API to get nmethod
iignatyev
parents: 23493
diff changeset
   817
  env->SetByteArrayRegion(insts, 0, insts_size, (jbyte*) code->insts_begin());
9d5b7480c9f4 8038240: new WB API to get nmethod
iignatyev
parents: 23493
diff changeset
   818
  env->SetObjectArrayElement(result, 1, insts);
9d5b7480c9f4 8038240: new WB API to get nmethod
iignatyev
parents: 23493
diff changeset
   819
9d5b7480c9f4 8038240: new WB API to get nmethod
iignatyev
parents: 23493
diff changeset
   820
  return result;
9d5b7480c9f4 8038240: new WB API to get nmethod
iignatyev
parents: 23493
diff changeset
   821
WB_END
9d5b7480c9f4 8038240: new WB API to get nmethod
iignatyev
parents: 23493
diff changeset
   822
24671
0ebd6fe70309 8032970: Add stack size check methods to WhiteBox API
iignatyev
parents: 24446
diff changeset
   823
WB_ENTRY(jlong, WB_GetThreadStackSize(JNIEnv* env, jobject o))
0ebd6fe70309 8032970: Add stack size check methods to WhiteBox API
iignatyev
parents: 24446
diff changeset
   824
  return (jlong) Thread::current()->stack_size();
0ebd6fe70309 8032970: Add stack size check methods to WhiteBox API
iignatyev
parents: 24446
diff changeset
   825
WB_END
0ebd6fe70309 8032970: Add stack size check methods to WhiteBox API
iignatyev
parents: 24446
diff changeset
   826
0ebd6fe70309 8032970: Add stack size check methods to WhiteBox API
iignatyev
parents: 24446
diff changeset
   827
WB_ENTRY(jlong, WB_GetThreadRemainingStackSize(JNIEnv* env, jobject o))
0ebd6fe70309 8032970: Add stack size check methods to WhiteBox API
iignatyev
parents: 24446
diff changeset
   828
  JavaThread* t = JavaThread::current();
0ebd6fe70309 8032970: Add stack size check methods to WhiteBox API
iignatyev
parents: 24446
diff changeset
   829
  return (jlong) t->stack_available(os::current_stack_pointer()) - (jlong) StackShadowPages * os::vm_page_size();
0ebd6fe70309 8032970: Add stack size check methods to WhiteBox API
iignatyev
parents: 24446
diff changeset
   830
WB_END
0ebd6fe70309 8032970: Add stack size check methods to WhiteBox API
iignatyev
parents: 24446
diff changeset
   831
25492
d27050bdfb04 8049421: G1 Class Unloading after completing a concurrent mark cycle
stefank
parents: 25491
diff changeset
   832
int WhiteBox::array_bytes_to_length(size_t bytes) {
d27050bdfb04 8049421: G1 Class Unloading after completing a concurrent mark cycle
stefank
parents: 25491
diff changeset
   833
  return Array<u1>::bytes_to_length(bytes);
d27050bdfb04 8049421: G1 Class Unloading after completing a concurrent mark cycle
stefank
parents: 25491
diff changeset
   834
}
d27050bdfb04 8049421: G1 Class Unloading after completing a concurrent mark cycle
stefank
parents: 25491
diff changeset
   835
d27050bdfb04 8049421: G1 Class Unloading after completing a concurrent mark cycle
stefank
parents: 25491
diff changeset
   836
WB_ENTRY(jlong, WB_AllocateMetaspace(JNIEnv* env, jobject wb, jobject class_loader, jlong size))
d27050bdfb04 8049421: G1 Class Unloading after completing a concurrent mark cycle
stefank
parents: 25491
diff changeset
   837
  if (size < 0) {
d27050bdfb04 8049421: G1 Class Unloading after completing a concurrent mark cycle
stefank
parents: 25491
diff changeset
   838
    THROW_MSG_0(vmSymbols::java_lang_IllegalArgumentException(),
d27050bdfb04 8049421: G1 Class Unloading after completing a concurrent mark cycle
stefank
parents: 25491
diff changeset
   839
        err_msg("WB_AllocateMetaspace: size is negative: " JLONG_FORMAT, size));
d27050bdfb04 8049421: G1 Class Unloading after completing a concurrent mark cycle
stefank
parents: 25491
diff changeset
   840
  }
d27050bdfb04 8049421: G1 Class Unloading after completing a concurrent mark cycle
stefank
parents: 25491
diff changeset
   841
d27050bdfb04 8049421: G1 Class Unloading after completing a concurrent mark cycle
stefank
parents: 25491
diff changeset
   842
  oop class_loader_oop = JNIHandles::resolve(class_loader);
d27050bdfb04 8049421: G1 Class Unloading after completing a concurrent mark cycle
stefank
parents: 25491
diff changeset
   843
  ClassLoaderData* cld = class_loader_oop != NULL
d27050bdfb04 8049421: G1 Class Unloading after completing a concurrent mark cycle
stefank
parents: 25491
diff changeset
   844
      ? java_lang_ClassLoader::loader_data(class_loader_oop)
d27050bdfb04 8049421: G1 Class Unloading after completing a concurrent mark cycle
stefank
parents: 25491
diff changeset
   845
      : ClassLoaderData::the_null_class_loader_data();
d27050bdfb04 8049421: G1 Class Unloading after completing a concurrent mark cycle
stefank
parents: 25491
diff changeset
   846
d27050bdfb04 8049421: G1 Class Unloading after completing a concurrent mark cycle
stefank
parents: 25491
diff changeset
   847
  void* metadata = MetadataFactory::new_writeable_array<u1>(cld, WhiteBox::array_bytes_to_length((size_t)size), thread);
d27050bdfb04 8049421: G1 Class Unloading after completing a concurrent mark cycle
stefank
parents: 25491
diff changeset
   848
d27050bdfb04 8049421: G1 Class Unloading after completing a concurrent mark cycle
stefank
parents: 25491
diff changeset
   849
  return (jlong)(uintptr_t)metadata;
d27050bdfb04 8049421: G1 Class Unloading after completing a concurrent mark cycle
stefank
parents: 25491
diff changeset
   850
WB_END
d27050bdfb04 8049421: G1 Class Unloading after completing a concurrent mark cycle
stefank
parents: 25491
diff changeset
   851
d27050bdfb04 8049421: G1 Class Unloading after completing a concurrent mark cycle
stefank
parents: 25491
diff changeset
   852
WB_ENTRY(void, WB_FreeMetaspace(JNIEnv* env, jobject wb, jobject class_loader, jlong addr, jlong size))
d27050bdfb04 8049421: G1 Class Unloading after completing a concurrent mark cycle
stefank
parents: 25491
diff changeset
   853
  oop class_loader_oop = JNIHandles::resolve(class_loader);
d27050bdfb04 8049421: G1 Class Unloading after completing a concurrent mark cycle
stefank
parents: 25491
diff changeset
   854
  ClassLoaderData* cld = class_loader_oop != NULL
d27050bdfb04 8049421: G1 Class Unloading after completing a concurrent mark cycle
stefank
parents: 25491
diff changeset
   855
      ? java_lang_ClassLoader::loader_data(class_loader_oop)
d27050bdfb04 8049421: G1 Class Unloading after completing a concurrent mark cycle
stefank
parents: 25491
diff changeset
   856
      : ClassLoaderData::the_null_class_loader_data();
d27050bdfb04 8049421: G1 Class Unloading after completing a concurrent mark cycle
stefank
parents: 25491
diff changeset
   857
d27050bdfb04 8049421: G1 Class Unloading after completing a concurrent mark cycle
stefank
parents: 25491
diff changeset
   858
  MetadataFactory::free_array(cld, (Array<u1>*)(uintptr_t)addr);
d27050bdfb04 8049421: G1 Class Unloading after completing a concurrent mark cycle
stefank
parents: 25491
diff changeset
   859
WB_END
d27050bdfb04 8049421: G1 Class Unloading after completing a concurrent mark cycle
stefank
parents: 25491
diff changeset
   860
26938
e0b35f8104a7 8049599: MetaspaceGC::_capacity_until_GC can overflow
ehelin
parents: 26846
diff changeset
   861
WB_ENTRY(jlong, WB_IncMetaspaceCapacityUntilGC(JNIEnv* env, jobject wb, jlong inc))
e0b35f8104a7 8049599: MetaspaceGC::_capacity_until_GC can overflow
ehelin
parents: 26846
diff changeset
   862
  if (inc < 0) {
e0b35f8104a7 8049599: MetaspaceGC::_capacity_until_GC can overflow
ehelin
parents: 26846
diff changeset
   863
    THROW_MSG_0(vmSymbols::java_lang_IllegalArgumentException(),
e0b35f8104a7 8049599: MetaspaceGC::_capacity_until_GC can overflow
ehelin
parents: 26846
diff changeset
   864
        err_msg("WB_IncMetaspaceCapacityUntilGC: inc is negative: " JLONG_FORMAT, inc));
e0b35f8104a7 8049599: MetaspaceGC::_capacity_until_GC can overflow
ehelin
parents: 26846
diff changeset
   865
  }
e0b35f8104a7 8049599: MetaspaceGC::_capacity_until_GC can overflow
ehelin
parents: 26846
diff changeset
   866
e0b35f8104a7 8049599: MetaspaceGC::_capacity_until_GC can overflow
ehelin
parents: 26846
diff changeset
   867
  jlong max_size_t = (jlong) ((size_t) -1);
e0b35f8104a7 8049599: MetaspaceGC::_capacity_until_GC can overflow
ehelin
parents: 26846
diff changeset
   868
  if (inc > max_size_t) {
e0b35f8104a7 8049599: MetaspaceGC::_capacity_until_GC can overflow
ehelin
parents: 26846
diff changeset
   869
    THROW_MSG_0(vmSymbols::java_lang_IllegalArgumentException(),
e0b35f8104a7 8049599: MetaspaceGC::_capacity_until_GC can overflow
ehelin
parents: 26846
diff changeset
   870
        err_msg("WB_IncMetaspaceCapacityUntilGC: inc does not fit in size_t: " JLONG_FORMAT, inc));
e0b35f8104a7 8049599: MetaspaceGC::_capacity_until_GC can overflow
ehelin
parents: 26846
diff changeset
   871
  }
e0b35f8104a7 8049599: MetaspaceGC::_capacity_until_GC can overflow
ehelin
parents: 26846
diff changeset
   872
e0b35f8104a7 8049599: MetaspaceGC::_capacity_until_GC can overflow
ehelin
parents: 26846
diff changeset
   873
  size_t new_cap_until_GC = 0;
e0b35f8104a7 8049599: MetaspaceGC::_capacity_until_GC can overflow
ehelin
parents: 26846
diff changeset
   874
  size_t aligned_inc = align_size_down((size_t) inc, Metaspace::commit_alignment());
e0b35f8104a7 8049599: MetaspaceGC::_capacity_until_GC can overflow
ehelin
parents: 26846
diff changeset
   875
  bool success = MetaspaceGC::inc_capacity_until_GC(aligned_inc, &new_cap_until_GC);
e0b35f8104a7 8049599: MetaspaceGC::_capacity_until_GC can overflow
ehelin
parents: 26846
diff changeset
   876
  if (!success) {
e0b35f8104a7 8049599: MetaspaceGC::_capacity_until_GC can overflow
ehelin
parents: 26846
diff changeset
   877
    THROW_MSG_0(vmSymbols::java_lang_IllegalStateException(),
e0b35f8104a7 8049599: MetaspaceGC::_capacity_until_GC can overflow
ehelin
parents: 26846
diff changeset
   878
                "WB_IncMetaspaceCapacityUntilGC: could not increase capacity until GC "
e0b35f8104a7 8049599: MetaspaceGC::_capacity_until_GC can overflow
ehelin
parents: 26846
diff changeset
   879
                "due to contention with another thread");
e0b35f8104a7 8049599: MetaspaceGC::_capacity_until_GC can overflow
ehelin
parents: 26846
diff changeset
   880
  }
e0b35f8104a7 8049599: MetaspaceGC::_capacity_until_GC can overflow
ehelin
parents: 26846
diff changeset
   881
  return (jlong) new_cap_until_GC;
e0b35f8104a7 8049599: MetaspaceGC::_capacity_until_GC can overflow
ehelin
parents: 26846
diff changeset
   882
WB_END
e0b35f8104a7 8049599: MetaspaceGC::_capacity_until_GC can overflow
ehelin
parents: 26846
diff changeset
   883
e0b35f8104a7 8049599: MetaspaceGC::_capacity_until_GC can overflow
ehelin
parents: 26846
diff changeset
   884
WB_ENTRY(jlong, WB_MetaspaceCapacityUntilGC(JNIEnv* env, jobject wb))
e0b35f8104a7 8049599: MetaspaceGC::_capacity_until_GC can overflow
ehelin
parents: 26846
diff changeset
   885
  return (jlong) MetaspaceGC::capacity_until_GC();
e0b35f8104a7 8049599: MetaspaceGC::_capacity_until_GC can overflow
ehelin
parents: 26846
diff changeset
   886
WB_END
e0b35f8104a7 8049599: MetaspaceGC::_capacity_until_GC can overflow
ehelin
parents: 26846
diff changeset
   887
12262
fb3b9fede660 7148488: Whitebox tests for the Diagnostic Framework Parser
nloodin
parents: 12095
diff changeset
   888
//Some convenience methods to deal with objects from java
fb3b9fede660 7148488: Whitebox tests for the Diagnostic Framework Parser
nloodin
parents: 12095
diff changeset
   889
int WhiteBox::offset_for_field(const char* field_name, oop object,
fb3b9fede660 7148488: Whitebox tests for the Diagnostic Framework Parser
nloodin
parents: 12095
diff changeset
   890
    Symbol* signature_symbol) {
fb3b9fede660 7148488: Whitebox tests for the Diagnostic Framework Parser
nloodin
parents: 12095
diff changeset
   891
  assert(field_name != NULL && strlen(field_name) > 0, "Field name not valid");
fb3b9fede660 7148488: Whitebox tests for the Diagnostic Framework Parser
nloodin
parents: 12095
diff changeset
   892
  Thread* THREAD = Thread::current();
fb3b9fede660 7148488: Whitebox tests for the Diagnostic Framework Parser
nloodin
parents: 12095
diff changeset
   893
fb3b9fede660 7148488: Whitebox tests for the Diagnostic Framework Parser
nloodin
parents: 12095
diff changeset
   894
  //Get the class of our object
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13200
diff changeset
   895
  Klass* arg_klass = object->klass();
12262
fb3b9fede660 7148488: Whitebox tests for the Diagnostic Framework Parser
nloodin
parents: 12095
diff changeset
   896
  //Turn it into an instance-klass
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13200
diff changeset
   897
  InstanceKlass* ik = InstanceKlass::cast(arg_klass);
12262
fb3b9fede660 7148488: Whitebox tests for the Diagnostic Framework Parser
nloodin
parents: 12095
diff changeset
   898
fb3b9fede660 7148488: Whitebox tests for the Diagnostic Framework Parser
nloodin
parents: 12095
diff changeset
   899
  //Create symbols to look for in the class
fb3b9fede660 7148488: Whitebox tests for the Diagnostic Framework Parser
nloodin
parents: 12095
diff changeset
   900
  TempNewSymbol name_symbol = SymbolTable::lookup(field_name, (int) strlen(field_name),
fb3b9fede660 7148488: Whitebox tests for the Diagnostic Framework Parser
nloodin
parents: 12095
diff changeset
   901
      THREAD);
fb3b9fede660 7148488: Whitebox tests for the Diagnostic Framework Parser
nloodin
parents: 12095
diff changeset
   902
fb3b9fede660 7148488: Whitebox tests for the Diagnostic Framework Parser
nloodin
parents: 12095
diff changeset
   903
  //To be filled in with an offset of the field we're looking for
fb3b9fede660 7148488: Whitebox tests for the Diagnostic Framework Parser
nloodin
parents: 12095
diff changeset
   904
  fieldDescriptor fd;
fb3b9fede660 7148488: Whitebox tests for the Diagnostic Framework Parser
nloodin
parents: 12095
diff changeset
   905
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13200
diff changeset
   906
  Klass* res = ik->find_field(name_symbol, signature_symbol, &fd);
12262
fb3b9fede660 7148488: Whitebox tests for the Diagnostic Framework Parser
nloodin
parents: 12095
diff changeset
   907
  if (res == NULL) {
fb3b9fede660 7148488: Whitebox tests for the Diagnostic Framework Parser
nloodin
parents: 12095
diff changeset
   908
    tty->print_cr("Invalid layout of %s at %s", ik->external_name(),
fb3b9fede660 7148488: Whitebox tests for the Diagnostic Framework Parser
nloodin
parents: 12095
diff changeset
   909
        name_symbol->as_C_string());
fb3b9fede660 7148488: Whitebox tests for the Diagnostic Framework Parser
nloodin
parents: 12095
diff changeset
   910
    fatal("Invalid layout of preloaded class");
fb3b9fede660 7148488: Whitebox tests for the Diagnostic Framework Parser
nloodin
parents: 12095
diff changeset
   911
  }
fb3b9fede660 7148488: Whitebox tests for the Diagnostic Framework Parser
nloodin
parents: 12095
diff changeset
   912
fb3b9fede660 7148488: Whitebox tests for the Diagnostic Framework Parser
nloodin
parents: 12095
diff changeset
   913
  //fetch the field at the offset we've found
fb3b9fede660 7148488: Whitebox tests for the Diagnostic Framework Parser
nloodin
parents: 12095
diff changeset
   914
  int dest_offset = fd.offset();
fb3b9fede660 7148488: Whitebox tests for the Diagnostic Framework Parser
nloodin
parents: 12095
diff changeset
   915
fb3b9fede660 7148488: Whitebox tests for the Diagnostic Framework Parser
nloodin
parents: 12095
diff changeset
   916
  return dest_offset;
fb3b9fede660 7148488: Whitebox tests for the Diagnostic Framework Parser
nloodin
parents: 12095
diff changeset
   917
}
fb3b9fede660 7148488: Whitebox tests for the Diagnostic Framework Parser
nloodin
parents: 12095
diff changeset
   918
fb3b9fede660 7148488: Whitebox tests for the Diagnostic Framework Parser
nloodin
parents: 12095
diff changeset
   919
fb3b9fede660 7148488: Whitebox tests for the Diagnostic Framework Parser
nloodin
parents: 12095
diff changeset
   920
const char* WhiteBox::lookup_jstring(const char* field_name, oop object) {
fb3b9fede660 7148488: Whitebox tests for the Diagnostic Framework Parser
nloodin
parents: 12095
diff changeset
   921
  int offset = offset_for_field(field_name, object,
fb3b9fede660 7148488: Whitebox tests for the Diagnostic Framework Parser
nloodin
parents: 12095
diff changeset
   922
      vmSymbols::string_signature());
fb3b9fede660 7148488: Whitebox tests for the Diagnostic Framework Parser
nloodin
parents: 12095
diff changeset
   923
  oop string = object->obj_field(offset);
13200
7b506e7b406e 7178703: Fix handling of quoted arguments and better error messages in dcmd
sla
parents: 12262
diff changeset
   924
  if (string == NULL) {
7b506e7b406e 7178703: Fix handling of quoted arguments and better error messages in dcmd
sla
parents: 12262
diff changeset
   925
    return NULL;
7b506e7b406e 7178703: Fix handling of quoted arguments and better error messages in dcmd
sla
parents: 12262
diff changeset
   926
  }
12262
fb3b9fede660 7148488: Whitebox tests for the Diagnostic Framework Parser
nloodin
parents: 12095
diff changeset
   927
  const char* ret = java_lang_String::as_utf8_string(string);
fb3b9fede660 7148488: Whitebox tests for the Diagnostic Framework Parser
nloodin
parents: 12095
diff changeset
   928
  return ret;
fb3b9fede660 7148488: Whitebox tests for the Diagnostic Framework Parser
nloodin
parents: 12095
diff changeset
   929
}
fb3b9fede660 7148488: Whitebox tests for the Diagnostic Framework Parser
nloodin
parents: 12095
diff changeset
   930
fb3b9fede660 7148488: Whitebox tests for the Diagnostic Framework Parser
nloodin
parents: 12095
diff changeset
   931
bool WhiteBox::lookup_bool(const char* field_name, oop object) {
fb3b9fede660 7148488: Whitebox tests for the Diagnostic Framework Parser
nloodin
parents: 12095
diff changeset
   932
  int offset =
fb3b9fede660 7148488: Whitebox tests for the Diagnostic Framework Parser
nloodin
parents: 12095
diff changeset
   933
      offset_for_field(field_name, object, vmSymbols::bool_signature());
fb3b9fede660 7148488: Whitebox tests for the Diagnostic Framework Parser
nloodin
parents: 12095
diff changeset
   934
  bool ret = (object->bool_field(offset) == JNI_TRUE);
fb3b9fede660 7148488: Whitebox tests for the Diagnostic Framework Parser
nloodin
parents: 12095
diff changeset
   935
  return ret;
fb3b9fede660 7148488: Whitebox tests for the Diagnostic Framework Parser
nloodin
parents: 12095
diff changeset
   936
}
fb3b9fede660 7148488: Whitebox tests for the Diagnostic Framework Parser
nloodin
parents: 12095
diff changeset
   937
26844
80398753ed99 8057752: WhiteBox extension support for testing
sjohanss
parents: 26183
diff changeset
   938
void WhiteBox::register_methods(JNIEnv* env, jclass wbclass, JavaThread* thread, JNINativeMethod* method_array, int method_count) {
80398753ed99 8057752: WhiteBox extension support for testing
sjohanss
parents: 26183
diff changeset
   939
  ResourceMark rm;
80398753ed99 8057752: WhiteBox extension support for testing
sjohanss
parents: 26183
diff changeset
   940
  ThreadToNativeFromVM ttnfv(thread); // can't be in VM when we call JNI
80398753ed99 8057752: WhiteBox extension support for testing
sjohanss
parents: 26183
diff changeset
   941
80398753ed99 8057752: WhiteBox extension support for testing
sjohanss
parents: 26183
diff changeset
   942
  //  one by one registration natives for exception catching
80398753ed99 8057752: WhiteBox extension support for testing
sjohanss
parents: 26183
diff changeset
   943
  jclass no_such_method_error_klass = env->FindClass(vmSymbols::java_lang_NoSuchMethodError()->as_C_string());
80398753ed99 8057752: WhiteBox extension support for testing
sjohanss
parents: 26183
diff changeset
   944
  CHECK_JNI_EXCEPTION(env);
80398753ed99 8057752: WhiteBox extension support for testing
sjohanss
parents: 26183
diff changeset
   945
  for (int i = 0, n = method_count; i < n; ++i) {
80398753ed99 8057752: WhiteBox extension support for testing
sjohanss
parents: 26183
diff changeset
   946
    // Skip dummy entries
80398753ed99 8057752: WhiteBox extension support for testing
sjohanss
parents: 26183
diff changeset
   947
    if (method_array[i].fnPtr == NULL) continue;
80398753ed99 8057752: WhiteBox extension support for testing
sjohanss
parents: 26183
diff changeset
   948
    if (env->RegisterNatives(wbclass, &method_array[i], 1) != 0) {
80398753ed99 8057752: WhiteBox extension support for testing
sjohanss
parents: 26183
diff changeset
   949
      jthrowable throwable_obj = env->ExceptionOccurred();
80398753ed99 8057752: WhiteBox extension support for testing
sjohanss
parents: 26183
diff changeset
   950
      if (throwable_obj != NULL) {
80398753ed99 8057752: WhiteBox extension support for testing
sjohanss
parents: 26183
diff changeset
   951
        env->ExceptionClear();
80398753ed99 8057752: WhiteBox extension support for testing
sjohanss
parents: 26183
diff changeset
   952
        if (env->IsInstanceOf(throwable_obj, no_such_method_error_klass)) {
80398753ed99 8057752: WhiteBox extension support for testing
sjohanss
parents: 26183
diff changeset
   953
          // NoSuchMethodError is thrown when a method can't be found or a method is not native.
80398753ed99 8057752: WhiteBox extension support for testing
sjohanss
parents: 26183
diff changeset
   954
          // Ignoring the exception since it is not preventing use of other WhiteBox methods.
80398753ed99 8057752: WhiteBox extension support for testing
sjohanss
parents: 26183
diff changeset
   955
          tty->print_cr("Warning: 'NoSuchMethodError' on register of sun.hotspot.WhiteBox::%s%s",
80398753ed99 8057752: WhiteBox extension support for testing
sjohanss
parents: 26183
diff changeset
   956
              method_array[i].name, method_array[i].signature);
80398753ed99 8057752: WhiteBox extension support for testing
sjohanss
parents: 26183
diff changeset
   957
        }
80398753ed99 8057752: WhiteBox extension support for testing
sjohanss
parents: 26183
diff changeset
   958
      } else {
80398753ed99 8057752: WhiteBox extension support for testing
sjohanss
parents: 26183
diff changeset
   959
        // Registration failed unexpectedly.
80398753ed99 8057752: WhiteBox extension support for testing
sjohanss
parents: 26183
diff changeset
   960
        tty->print_cr("Warning: unexpected error on register of sun.hotspot.WhiteBox::%s%s. All methods will be unregistered",
80398753ed99 8057752: WhiteBox extension support for testing
sjohanss
parents: 26183
diff changeset
   961
            method_array[i].name, method_array[i].signature);
80398753ed99 8057752: WhiteBox extension support for testing
sjohanss
parents: 26183
diff changeset
   962
        env->UnregisterNatives(wbclass);
80398753ed99 8057752: WhiteBox extension support for testing
sjohanss
parents: 26183
diff changeset
   963
        break;
80398753ed99 8057752: WhiteBox extension support for testing
sjohanss
parents: 26183
diff changeset
   964
      }
80398753ed99 8057752: WhiteBox extension support for testing
sjohanss
parents: 26183
diff changeset
   965
    }
80398753ed99 8057752: WhiteBox extension support for testing
sjohanss
parents: 26183
diff changeset
   966
  }
80398753ed99 8057752: WhiteBox extension support for testing
sjohanss
parents: 26183
diff changeset
   967
}
12262
fb3b9fede660 7148488: Whitebox tests for the Diagnostic Framework Parser
nloodin
parents: 12095
diff changeset
   968
12095
cc3d6f08a4c4 7148152: Add whitebox testing API to HotSpot
mgerdin
parents:
diff changeset
   969
#define CC (char*)
cc3d6f08a4c4 7148152: Add whitebox testing API to HotSpot
mgerdin
parents:
diff changeset
   970
cc3d6f08a4c4 7148152: Add whitebox testing API to HotSpot
mgerdin
parents:
diff changeset
   971
static JNINativeMethod methods[] = {
cc3d6f08a4c4 7148152: Add whitebox testing API to HotSpot
mgerdin
parents:
diff changeset
   972
  {CC"getObjectAddress",   CC"(Ljava/lang/Object;)J", (void*)&WB_GetObjectAddress  },
26183
bbe259d3c8bc 8055098: WB API should be extended to provide information about size and age of object.
tschatzl
parents: 26157
diff changeset
   973
  {CC"getObjectSize",      CC"(Ljava/lang/Object;)J", (void*)&WB_GetObjectSize     },
bbe259d3c8bc 8055098: WB API should be extended to provide information about size and age of object.
tschatzl
parents: 26157
diff changeset
   974
  {CC"isObjectInOldGen",   CC"(Ljava/lang/Object;)Z", (void*)&WB_isObjectInOldGen  },
12095
cc3d6f08a4c4 7148152: Add whitebox testing API to HotSpot
mgerdin
parents:
diff changeset
   975
  {CC"getHeapOopSize",     CC"()I",                   (void*)&WB_GetHeapOopSize    },
15621
b094c56bba84 8006683: Add WhiteBox API to testing of compiler
iignatyev
parents: 15484
diff changeset
   976
  {CC"isClassAlive0",      CC"(Ljava/lang/String;)Z", (void*)&WB_IsClassAlive      },
b094c56bba84 8006683: Add WhiteBox API to testing of compiler
iignatyev
parents: 15484
diff changeset
   977
  {CC"parseCommandLine",
b094c56bba84 8006683: Add WhiteBox API to testing of compiler
iignatyev
parents: 15484
diff changeset
   978
      CC"(Ljava/lang/String;[Lsun/hotspot/parser/DiagnosticCommand;)[Ljava/lang/Object;",
12262
fb3b9fede660 7148488: Whitebox tests for the Diagnostic Framework Parser
nloodin
parents: 12095
diff changeset
   979
      (void*) &WB_ParseCommandLine
fb3b9fede660 7148488: Whitebox tests for the Diagnostic Framework Parser
nloodin
parents: 12095
diff changeset
   980
  },
19986
33d188c66ed9 8010722: assert: failed: heap size is too big for compressed oops
tschatzl
parents: 19554
diff changeset
   981
  {CC"getCompressedOopsMaxHeapSize", CC"()J",
33d188c66ed9 8010722: assert: failed: heap size is too big for compressed oops
tschatzl
parents: 19554
diff changeset
   982
      (void*)&WB_GetCompressedOopsMaxHeapSize},
17322
35c488005999 8006088: Incompatible heap size flags accepted by VM
tschatzl
parents: 17134
diff changeset
   983
  {CC"printHeapSizes",     CC"()V",                   (void*)&WB_PrintHeapSizes    },
21554
20b1821f4fbd 8027237: New tests on ReservedSpace/VirtualSpace classes
mgerdin
parents: 19986
diff changeset
   984
  {CC"runMemoryUnitTests", CC"()V",                   (void*)&WB_RunMemoryUnitTests},
20b1821f4fbd 8027237: New tests on ReservedSpace/VirtualSpace classes
mgerdin
parents: 19986
diff changeset
   985
  {CC"readFromNoaccessArea",CC"()V",                  (void*)&WB_ReadFromNoaccessArea},
20b1821f4fbd 8027237: New tests on ReservedSpace/VirtualSpace classes
mgerdin
parents: 19986
diff changeset
   986
  {CC"stressVirtualSpaceResize",CC"(JJJ)I",           (void*)&WB_StressVirtualSpaceResize},
15482
470d0b0c09f1 8005915: Unify SERIALGC and INCLUDE_ALTERNATE_GCS
jprovino
parents: 13728
diff changeset
   987
#if INCLUDE_ALL_GCS
12095
cc3d6f08a4c4 7148152: Add whitebox testing API to HotSpot
mgerdin
parents:
diff changeset
   988
  {CC"g1InConcurrentMark", CC"()Z",                   (void*)&WB_G1InConcurrentMark},
cc3d6f08a4c4 7148152: Add whitebox testing API to HotSpot
mgerdin
parents:
diff changeset
   989
  {CC"g1IsHumongous",      CC"(Ljava/lang/Object;)Z", (void*)&WB_G1IsHumongous     },
cc3d6f08a4c4 7148152: Add whitebox testing API to HotSpot
mgerdin
parents:
diff changeset
   990
  {CC"g1NumFreeRegions",   CC"()J",                   (void*)&WB_G1NumFreeRegions  },
cc3d6f08a4c4 7148152: Add whitebox testing API to HotSpot
mgerdin
parents:
diff changeset
   991
  {CC"g1RegionSize",       CC"()I",                   (void*)&WB_G1RegionSize      },
15482
470d0b0c09f1 8005915: Unify SERIALGC and INCLUDE_ALTERNATE_GCS
jprovino
parents: 13728
diff changeset
   992
#endif // INCLUDE_ALL_GCS
19554
3f21e829c7de 8020829: JT_HS: 2 runtime NMT tests fail on platforms if NMT detail is not supported
cjplummer
parents: 19332
diff changeset
   993
#if INCLUDE_NMT
16666
da191c7e38d2 8009125: Add NMT tests for Virtual Memory operations
ctornqvi
parents: 16601
diff changeset
   994
  {CC"NMTMalloc",           CC"(J)J",                 (void*)&WB_NMTMalloc          },
25946
1572c9f03fb9 8046598: Scalable Native memory tracking development
zgu
parents: 25716
diff changeset
   995
  {CC"NMTMallocWithPseudoStack", CC"(JI)J",           (void*)&WB_NMTMallocWithPseudoStack},
16666
da191c7e38d2 8009125: Add NMT tests for Virtual Memory operations
ctornqvi
parents: 16601
diff changeset
   996
  {CC"NMTFree",             CC"(J)V",                 (void*)&WB_NMTFree            },
da191c7e38d2 8009125: Add NMT tests for Virtual Memory operations
ctornqvi
parents: 16601
diff changeset
   997
  {CC"NMTReserveMemory",    CC"(J)J",                 (void*)&WB_NMTReserveMemory   },
da191c7e38d2 8009125: Add NMT tests for Virtual Memory operations
ctornqvi
parents: 16601
diff changeset
   998
  {CC"NMTCommitMemory",     CC"(JJ)V",                (void*)&WB_NMTCommitMemory    },
da191c7e38d2 8009125: Add NMT tests for Virtual Memory operations
ctornqvi
parents: 16601
diff changeset
   999
  {CC"NMTUncommitMemory",   CC"(JJ)V",                (void*)&WB_NMTUncommitMemory  },
da191c7e38d2 8009125: Add NMT tests for Virtual Memory operations
ctornqvi
parents: 16601
diff changeset
  1000
  {CC"NMTReleaseMemory",    CC"(JJ)V",                (void*)&WB_NMTReleaseMemory   },
25946
1572c9f03fb9 8046598: Scalable Native memory tracking development
zgu
parents: 25716
diff changeset
  1001
  {CC"NMTOverflowHashBucket", CC"(J)V",               (void*)&WB_NMTOverflowHashBucket},
19554
3f21e829c7de 8020829: JT_HS: 2 runtime NMT tests fail on platforms if NMT detail is not supported
cjplummer
parents: 19332
diff changeset
  1002
  {CC"NMTIsDetailSupported",CC"()Z",                  (void*)&WB_NMTIsDetailSupported},
27162
0a4a7276949b 8059100: SIGSEGV VirtualMemoryTracker::remove_released_region
coleenp
parents: 26938
diff changeset
  1003
  {CC"NMTChangeTrackingLevel", CC"()Z",               (void*)&WB_NMTChangeTrackingLevel},
15452
3bfde2dea09d 8005012: Add WB APIs to better support NMT testing
ctornqvi
parents: 13728
diff changeset
  1004
#endif // INCLUDE_NMT
15621
b094c56bba84 8006683: Add WhiteBox API to testing of compiler
iignatyev
parents: 15484
diff changeset
  1005
  {CC"deoptimizeAll",      CC"()V",                   (void*)&WB_DeoptimizeAll     },
19332
ee4c8c2af356 8022832: Add WB APIs for OSR compilation
iignatyev
parents: 18069
diff changeset
  1006
  {CC"deoptimizeMethod",   CC"(Ljava/lang/reflect/Executable;Z)I",
15621
b094c56bba84 8006683: Add WhiteBox API to testing of compiler
iignatyev
parents: 15484
diff changeset
  1007
                                                      (void*)&WB_DeoptimizeMethod  },
19332
ee4c8c2af356 8022832: Add WB APIs for OSR compilation
iignatyev
parents: 18069
diff changeset
  1008
  {CC"isMethodCompiled",   CC"(Ljava/lang/reflect/Executable;Z)Z",
15621
b094c56bba84 8006683: Add WhiteBox API to testing of compiler
iignatyev
parents: 15484
diff changeset
  1009
                                                      (void*)&WB_IsMethodCompiled  },
19332
ee4c8c2af356 8022832: Add WB APIs for OSR compilation
iignatyev
parents: 18069
diff changeset
  1010
  {CC"isMethodCompilable", CC"(Ljava/lang/reflect/Executable;IZ)Z",
15621
b094c56bba84 8006683: Add WhiteBox API to testing of compiler
iignatyev
parents: 15484
diff changeset
  1011
                                                      (void*)&WB_IsMethodCompilable},
b094c56bba84 8006683: Add WhiteBox API to testing of compiler
iignatyev
parents: 15484
diff changeset
  1012
  {CC"isMethodQueuedForCompilation",
17015
92390f57e8b1 8011971: WB API doesn't accept j.l.reflect.Constructor
iignatyev
parents: 16694
diff changeset
  1013
      CC"(Ljava/lang/reflect/Executable;)Z",          (void*)&WB_IsMethodQueuedForCompilation},
15621
b094c56bba84 8006683: Add WhiteBox API to testing of compiler
iignatyev
parents: 15484
diff changeset
  1014
  {CC"makeMethodNotCompilable",
19332
ee4c8c2af356 8022832: Add WB APIs for OSR compilation
iignatyev
parents: 18069
diff changeset
  1015
      CC"(Ljava/lang/reflect/Executable;IZ)V",        (void*)&WB_MakeMethodNotCompilable},
16689
efce070b8d42 8007288: Additional WB API for compiler's testing
iignatyev
parents: 16601
diff changeset
  1016
  {CC"testSetDontInlineMethod",
17015
92390f57e8b1 8011971: WB API doesn't accept j.l.reflect.Constructor
iignatyev
parents: 16694
diff changeset
  1017
      CC"(Ljava/lang/reflect/Executable;Z)Z",         (void*)&WB_TestSetDontInlineMethod},
15621
b094c56bba84 8006683: Add WhiteBox API to testing of compiler
iignatyev
parents: 15484
diff changeset
  1018
  {CC"getMethodCompilationLevel",
19332
ee4c8c2af356 8022832: Add WB APIs for OSR compilation
iignatyev
parents: 18069
diff changeset
  1019
      CC"(Ljava/lang/reflect/Executable;Z)I",         (void*)&WB_GetMethodCompilationLevel},
ee4c8c2af356 8022832: Add WB APIs for OSR compilation
iignatyev
parents: 18069
diff changeset
  1020
  {CC"getMethodEntryBci",
ee4c8c2af356 8022832: Add WB APIs for OSR compilation
iignatyev
parents: 18069
diff changeset
  1021
      CC"(Ljava/lang/reflect/Executable;)I",          (void*)&WB_GetMethodEntryBci},
ee4c8c2af356 8022832: Add WB APIs for OSR compilation
iignatyev
parents: 18069
diff changeset
  1022
  {CC"getCompileQueueSize",
ee4c8c2af356 8022832: Add WB APIs for OSR compilation
iignatyev
parents: 18069
diff changeset
  1023
      CC"(I)I",                                       (void*)&WB_GetCompileQueueSize},
16689
efce070b8d42 8007288: Additional WB API for compiler's testing
iignatyev
parents: 16601
diff changeset
  1024
  {CC"testSetForceInlineMethod",
17015
92390f57e8b1 8011971: WB API doesn't accept j.l.reflect.Constructor
iignatyev
parents: 16694
diff changeset
  1025
      CC"(Ljava/lang/reflect/Executable;Z)Z",         (void*)&WB_TestSetForceInlineMethod},
16689
efce070b8d42 8007288: Additional WB API for compiler's testing
iignatyev
parents: 16601
diff changeset
  1026
  {CC"enqueueMethodForCompilation",
19332
ee4c8c2af356 8022832: Add WB APIs for OSR compilation
iignatyev
parents: 18069
diff changeset
  1027
      CC"(Ljava/lang/reflect/Executable;II)Z",        (void*)&WB_EnqueueMethodForCompilation},
16689
efce070b8d42 8007288: Additional WB API for compiler's testing
iignatyev
parents: 16601
diff changeset
  1028
  {CC"clearMethodState",
17015
92390f57e8b1 8011971: WB API doesn't accept j.l.reflect.Constructor
iignatyev
parents: 16694
diff changeset
  1029
      CC"(Ljava/lang/reflect/Executable;)V",          (void*)&WB_ClearMethodState},
27417
576e2b527e1c 8061443: Whitebox get*VMFlag() methods fail with develop flags in product builds
thartmann
parents: 27162
diff changeset
  1030
  {CC"isConstantVMFlag",   CC"(Ljava/lang/String;)Z", (void*)&WB_IsConstantVMFlag},
576e2b527e1c 8061443: Whitebox get*VMFlag() methods fail with develop flags in product builds
thartmann
parents: 27162
diff changeset
  1031
  {CC"isLockedVMFlag",     CC"(Ljava/lang/String;)Z", (void*)&WB_IsLockedVMFlag},
24921
3b73ef0b62d1 8038756: new WB API :: get/setVMFlag
iignatyev
parents: 24671
diff changeset
  1032
  {CC"setBooleanVMFlag",   CC"(Ljava/lang/String;Z)V",(void*)&WB_SetBooleanVMFlag},
3b73ef0b62d1 8038756: new WB API :: get/setVMFlag
iignatyev
parents: 24671
diff changeset
  1033
  {CC"setIntxVMFlag",      CC"(Ljava/lang/String;J)V",(void*)&WB_SetIntxVMFlag},
3b73ef0b62d1 8038756: new WB API :: get/setVMFlag
iignatyev
parents: 24671
diff changeset
  1034
  {CC"setUintxVMFlag",     CC"(Ljava/lang/String;J)V",(void*)&WB_SetUintxVMFlag},
3b73ef0b62d1 8038756: new WB API :: get/setVMFlag
iignatyev
parents: 24671
diff changeset
  1035
  {CC"setUint64VMFlag",    CC"(Ljava/lang/String;J)V",(void*)&WB_SetUint64VMFlag},
25959
6c11a6272b60 8054823: Add size_t as a valid VM flag type
stefank
parents: 25716
diff changeset
  1036
  {CC"setSizeTVMFlag",     CC"(Ljava/lang/String;J)V",(void*)&WB_SetSizeTVMFlag},
24921
3b73ef0b62d1 8038756: new WB API :: get/setVMFlag
iignatyev
parents: 24671
diff changeset
  1037
  {CC"setDoubleVMFlag",    CC"(Ljava/lang/String;D)V",(void*)&WB_SetDoubleVMFlag},
3b73ef0b62d1 8038756: new WB API :: get/setVMFlag
iignatyev
parents: 24671
diff changeset
  1038
  {CC"setStringVMFlag",    CC"(Ljava/lang/String;Ljava/lang/String;)V",
3b73ef0b62d1 8038756: new WB API :: get/setVMFlag
iignatyev
parents: 24671
diff changeset
  1039
                                                      (void*)&WB_SetStringVMFlag},
3b73ef0b62d1 8038756: new WB API :: get/setVMFlag
iignatyev
parents: 24671
diff changeset
  1040
  {CC"getBooleanVMFlag",   CC"(Ljava/lang/String;)Ljava/lang/Boolean;",
3b73ef0b62d1 8038756: new WB API :: get/setVMFlag
iignatyev
parents: 24671
diff changeset
  1041
                                                      (void*)&WB_GetBooleanVMFlag},
3b73ef0b62d1 8038756: new WB API :: get/setVMFlag
iignatyev
parents: 24671
diff changeset
  1042
  {CC"getIntxVMFlag",      CC"(Ljava/lang/String;)Ljava/lang/Long;",
3b73ef0b62d1 8038756: new WB API :: get/setVMFlag
iignatyev
parents: 24671
diff changeset
  1043
                                                      (void*)&WB_GetIntxVMFlag},
3b73ef0b62d1 8038756: new WB API :: get/setVMFlag
iignatyev
parents: 24671
diff changeset
  1044
  {CC"getUintxVMFlag",     CC"(Ljava/lang/String;)Ljava/lang/Long;",
3b73ef0b62d1 8038756: new WB API :: get/setVMFlag
iignatyev
parents: 24671
diff changeset
  1045
                                                      (void*)&WB_GetUintxVMFlag},
3b73ef0b62d1 8038756: new WB API :: get/setVMFlag
iignatyev
parents: 24671
diff changeset
  1046
  {CC"getUint64VMFlag",    CC"(Ljava/lang/String;)Ljava/lang/Long;",
3b73ef0b62d1 8038756: new WB API :: get/setVMFlag
iignatyev
parents: 24671
diff changeset
  1047
                                                      (void*)&WB_GetUint64VMFlag},
25959
6c11a6272b60 8054823: Add size_t as a valid VM flag type
stefank
parents: 25716
diff changeset
  1048
  {CC"getSizeTVMFlag",     CC"(Ljava/lang/String;)Ljava/lang/Long;",
6c11a6272b60 8054823: Add size_t as a valid VM flag type
stefank
parents: 25716
diff changeset
  1049
                                                      (void*)&WB_GetSizeTVMFlag},
24921
3b73ef0b62d1 8038756: new WB API :: get/setVMFlag
iignatyev
parents: 24671
diff changeset
  1050
  {CC"getDoubleVMFlag",    CC"(Ljava/lang/String;)Ljava/lang/Double;",
3b73ef0b62d1 8038756: new WB API :: get/setVMFlag
iignatyev
parents: 24671
diff changeset
  1051
                                                      (void*)&WB_GetDoubleVMFlag},
3b73ef0b62d1 8038756: new WB API :: get/setVMFlag
iignatyev
parents: 24671
diff changeset
  1052
  {CC"getStringVMFlag",    CC"(Ljava/lang/String;)Ljava/lang/String;",
3b73ef0b62d1 8038756: new WB API :: get/setVMFlag
iignatyev
parents: 24671
diff changeset
  1053
                                                      (void*)&WB_GetStringVMFlag},
3b73ef0b62d1 8038756: new WB API :: get/setVMFlag
iignatyev
parents: 24671
diff changeset
  1054
  {CC"isInStringTable",    CC"(Ljava/lang/String;)Z", (void*)&WB_IsInStringTable  },
16601
7c6db0c8952f 8009763: Add WB test for String.intern()
mgerdin
parents: 15621
diff changeset
  1055
  {CC"fullGC",   CC"()V",                             (void*)&WB_FullGC },
26183
bbe259d3c8bc 8055098: WB API should be extended to provide information about size and age of object.
tschatzl
parents: 26157
diff changeset
  1056
  {CC"youngGC",  CC"()V",                             (void*)&WB_YoungGC },
17824
24dc83d7c1d7 8013726: runtime/memory/ReserveMemory.java fails due to 'assert(bytes % os::vm_allocation_granularity() == 0) failed: reserve block size'
mikael
parents: 17322
diff changeset
  1057
  {CC"readReservedMemory", CC"()V",                   (void*)&WB_ReadReservedMemory },
25492
d27050bdfb04 8049421: G1 Class Unloading after completing a concurrent mark cycle
stefank
parents: 25491
diff changeset
  1058
  {CC"allocateMetaspace",
d27050bdfb04 8049421: G1 Class Unloading after completing a concurrent mark cycle
stefank
parents: 25491
diff changeset
  1059
     CC"(Ljava/lang/ClassLoader;J)J",                 (void*)&WB_AllocateMetaspace },
d27050bdfb04 8049421: G1 Class Unloading after completing a concurrent mark cycle
stefank
parents: 25491
diff changeset
  1060
  {CC"freeMetaspace",
d27050bdfb04 8049421: G1 Class Unloading after completing a concurrent mark cycle
stefank
parents: 25491
diff changeset
  1061
     CC"(Ljava/lang/ClassLoader;JJ)V",                (void*)&WB_FreeMetaspace },
26938
e0b35f8104a7 8049599: MetaspaceGC::_capacity_until_GC can overflow
ehelin
parents: 26846
diff changeset
  1062
  {CC"incMetaspaceCapacityUntilGC", CC"(J)J",         (void*)&WB_IncMetaspaceCapacityUntilGC },
e0b35f8104a7 8049599: MetaspaceGC::_capacity_until_GC can overflow
ehelin
parents: 26846
diff changeset
  1063
  {CC"metaspaceCapacityUntilGC", CC"()J",             (void*)&WB_MetaspaceCapacityUntilGC },
23493
170c77c1103a 8035857: Add tests to verify correctness of operations with BMI1 and LZCNT instructions
iignatyev
parents: 22795
diff changeset
  1064
  {CC"getCPUFeatures",     CC"()Ljava/lang/String;",  (void*)&WB_GetCPUFeatures     },
23499
9d5b7480c9f4 8038240: new WB API to get nmethod
iignatyev
parents: 23493
diff changeset
  1065
  {CC"getNMethod",         CC"(Ljava/lang/reflect/Executable;Z)[Ljava/lang/Object;",
9d5b7480c9f4 8038240: new WB API to get nmethod
iignatyev
parents: 23493
diff changeset
  1066
                                                      (void*)&WB_GetNMethod         },
24671
0ebd6fe70309 8032970: Add stack size check methods to WhiteBox API
iignatyev
parents: 24446
diff changeset
  1067
  {CC"getThreadStackSize", CC"()J",                   (void*)&WB_GetThreadStackSize },
0ebd6fe70309 8032970: Add stack size check methods to WhiteBox API
iignatyev
parents: 24446
diff changeset
  1068
  {CC"getThreadRemainingStackSize", CC"()J",          (void*)&WB_GetThreadRemainingStackSize },
12095
cc3d6f08a4c4 7148152: Add whitebox testing API to HotSpot
mgerdin
parents:
diff changeset
  1069
};
cc3d6f08a4c4 7148152: Add whitebox testing API to HotSpot
mgerdin
parents:
diff changeset
  1070
cc3d6f08a4c4 7148152: Add whitebox testing API to HotSpot
mgerdin
parents:
diff changeset
  1071
#undef CC
cc3d6f08a4c4 7148152: Add whitebox testing API to HotSpot
mgerdin
parents:
diff changeset
  1072
cc3d6f08a4c4 7148152: Add whitebox testing API to HotSpot
mgerdin
parents:
diff changeset
  1073
JVM_ENTRY(void, JVM_RegisterWhiteBoxMethods(JNIEnv* env, jclass wbclass))
cc3d6f08a4c4 7148152: Add whitebox testing API to HotSpot
mgerdin
parents:
diff changeset
  1074
  {
cc3d6f08a4c4 7148152: Add whitebox testing API to HotSpot
mgerdin
parents:
diff changeset
  1075
    if (WhiteBoxAPI) {
cc3d6f08a4c4 7148152: Add whitebox testing API to HotSpot
mgerdin
parents:
diff changeset
  1076
      // Make sure that wbclass is loaded by the null classloader
cc3d6f08a4c4 7148152: Add whitebox testing API to HotSpot
mgerdin
parents:
diff changeset
  1077
      instanceKlassHandle ikh = instanceKlassHandle(JNIHandles::resolve(wbclass)->klass());
cc3d6f08a4c4 7148152: Add whitebox testing API to HotSpot
mgerdin
parents:
diff changeset
  1078
      Handle loader(ikh->class_loader());
cc3d6f08a4c4 7148152: Add whitebox testing API to HotSpot
mgerdin
parents:
diff changeset
  1079
      if (loader.is_null()) {
26844
80398753ed99 8057752: WhiteBox extension support for testing
sjohanss
parents: 26183
diff changeset
  1080
        WhiteBox::register_methods(env, wbclass, thread, methods, sizeof(methods) / sizeof(methods[0]));
80398753ed99 8057752: WhiteBox extension support for testing
sjohanss
parents: 26183
diff changeset
  1081
        WhiteBox::register_extended(env, wbclass, thread);
80398753ed99 8057752: WhiteBox extension support for testing
sjohanss
parents: 26183
diff changeset
  1082
        WhiteBox::set_used();
12095
cc3d6f08a4c4 7148152: Add whitebox testing API to HotSpot
mgerdin
parents:
diff changeset
  1083
      }
cc3d6f08a4c4 7148152: Add whitebox testing API to HotSpot
mgerdin
parents:
diff changeset
  1084
    }
cc3d6f08a4c4 7148152: Add whitebox testing API to HotSpot
mgerdin
parents:
diff changeset
  1085
  }
cc3d6f08a4c4 7148152: Add whitebox testing API to HotSpot
mgerdin
parents:
diff changeset
  1086
JVM_END