1171 lines
48 KiB
C++
1171 lines
48 KiB
C++
/*
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* Copyright (c) 2011, 2016, 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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#include "precompiled.hpp"
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#include "code/compiledIC.hpp"
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#include "compiler/compileBroker.hpp"
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#include "compiler/disassembler.hpp"
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#include "oops/oop.inline.hpp"
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#include "oops/objArrayOop.inline.hpp"
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#include "runtime/javaCalls.hpp"
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#include "jvmci/jvmciEnv.hpp"
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#include "jvmci/jvmciCompiler.hpp"
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#include "jvmci/jvmciCodeInstaller.hpp"
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#include "jvmci/jvmciJavaClasses.hpp"
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#include "jvmci/jvmciCompilerToVM.hpp"
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#include "jvmci/jvmciRuntime.hpp"
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#include "asm/register.hpp"
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#include "classfile/vmSymbols.hpp"
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#include "code/vmreg.hpp"
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#ifdef TARGET_ARCH_x86
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# include "vmreg_x86.inline.hpp"
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#endif
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#ifdef TARGET_ARCH_sparc
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# include "vmreg_sparc.inline.hpp"
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#endif
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#ifdef TARGET_ARCH_zero
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# include "vmreg_zero.inline.hpp"
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#endif
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#ifdef TARGET_ARCH_arm
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# include "vmreg_arm.inline.hpp"
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#endif
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#ifdef TARGET_ARCH_ppc
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# include "vmreg_ppc.inline.hpp"
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#endif
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// frequently used constants
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// Allocate them with new so they are never destroyed (otherwise, a
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// forced exit could destroy these objects while they are still in
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// use).
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ConstantOopWriteValue* CodeInstaller::_oop_null_scope_value = new (ResourceObj::C_HEAP, mtCompiler) ConstantOopWriteValue(NULL);
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ConstantIntValue* CodeInstaller::_int_m1_scope_value = new (ResourceObj::C_HEAP, mtCompiler) ConstantIntValue(-1);
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ConstantIntValue* CodeInstaller::_int_0_scope_value = new (ResourceObj::C_HEAP, mtCompiler) ConstantIntValue(0);
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ConstantIntValue* CodeInstaller::_int_1_scope_value = new (ResourceObj::C_HEAP, mtCompiler) ConstantIntValue(1);
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ConstantIntValue* CodeInstaller::_int_2_scope_value = new (ResourceObj::C_HEAP, mtCompiler) ConstantIntValue(2);
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LocationValue* CodeInstaller::_illegal_value = new (ResourceObj::C_HEAP, mtCompiler) LocationValue(Location());
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Method* getMethodFromHotSpotMethod(oop hotspot_method) {
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assert(hotspot_method != NULL && hotspot_method->is_a(HotSpotResolvedJavaMethodImpl::klass()), "sanity");
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return CompilerToVM::asMethod(hotspot_method);
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}
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VMReg getVMRegFromLocation(Handle location, int total_frame_size, TRAPS) {
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if (location.is_null()) {
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THROW_NULL(vmSymbols::java_lang_NullPointerException());
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}
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Handle reg = code_Location::reg(location);
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jint offset = code_Location::offset(location);
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if (reg.not_null()) {
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// register
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jint number = code_Register::number(reg);
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VMReg vmReg = CodeInstaller::get_hotspot_reg(number, CHECK_NULL);
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if (offset % 4 == 0) {
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return vmReg->next(offset / 4);
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} else {
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JVMCI_ERROR_NULL("unaligned subregister offset %d in oop map", offset);
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}
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} else {
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// stack slot
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if (offset % 4 == 0) {
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return VMRegImpl::stack2reg(offset / 4);
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} else {
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JVMCI_ERROR_NULL("unaligned stack offset %d in oop map", offset);
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}
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}
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}
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// creates a HotSpot oop map out of the byte arrays provided by DebugInfo
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OopMap* CodeInstaller::create_oop_map(Handle debug_info, TRAPS) {
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Handle reference_map = DebugInfo::referenceMap(debug_info);
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if (reference_map.is_null()) {
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THROW_NULL(vmSymbols::java_lang_NullPointerException());
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}
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if (!reference_map->is_a(HotSpotReferenceMap::klass())) {
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JVMCI_ERROR_NULL("unknown reference map: %s", reference_map->klass()->signature_name());
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}
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if (HotSpotReferenceMap::maxRegisterSize(reference_map) > 16) {
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_has_wide_vector = true;
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}
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OopMap* map = new OopMap(_total_frame_size, _parameter_count);
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objArrayHandle objects = HotSpotReferenceMap::objects(reference_map);
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objArrayHandle derivedBase = HotSpotReferenceMap::derivedBase(reference_map);
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typeArrayHandle sizeInBytes = HotSpotReferenceMap::sizeInBytes(reference_map);
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if (objects.is_null() || derivedBase.is_null() || sizeInBytes.is_null()) {
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THROW_NULL(vmSymbols::java_lang_NullPointerException());
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}
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if (objects->length() != derivedBase->length() || objects->length() != sizeInBytes->length()) {
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JVMCI_ERROR_NULL("arrays in reference map have different sizes: %d %d %d", objects->length(), derivedBase->length(), sizeInBytes->length());
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}
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for (int i = 0; i < objects->length(); i++) {
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Handle location = objects->obj_at(i);
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Handle baseLocation = derivedBase->obj_at(i);
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int bytes = sizeInBytes->int_at(i);
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VMReg vmReg = getVMRegFromLocation(location, _total_frame_size, CHECK_NULL);
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if (baseLocation.not_null()) {
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// derived oop
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#ifdef _LP64
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if (bytes == 8) {
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#else
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if (bytes == 4) {
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#endif
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VMReg baseReg = getVMRegFromLocation(baseLocation, _total_frame_size, CHECK_NULL);
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map->set_derived_oop(vmReg, baseReg);
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} else {
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JVMCI_ERROR_NULL("invalid derived oop size in ReferenceMap: %d", bytes);
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}
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#ifdef _LP64
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} else if (bytes == 8) {
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// wide oop
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map->set_oop(vmReg);
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} else if (bytes == 4) {
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// narrow oop
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map->set_narrowoop(vmReg);
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#else
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} else if (bytes == 4) {
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map->set_oop(vmReg);
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#endif
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} else {
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JVMCI_ERROR_NULL("invalid oop size in ReferenceMap: %d", bytes);
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}
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}
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Handle callee_save_info = (oop) DebugInfo::calleeSaveInfo(debug_info);
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if (callee_save_info.not_null()) {
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objArrayHandle registers = RegisterSaveLayout::registers(callee_save_info);
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typeArrayHandle slots = RegisterSaveLayout::slots(callee_save_info);
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for (jint i = 0; i < slots->length(); i++) {
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Handle jvmci_reg = registers->obj_at(i);
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jint jvmci_reg_number = code_Register::number(jvmci_reg);
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VMReg hotspot_reg = CodeInstaller::get_hotspot_reg(jvmci_reg_number, CHECK_NULL);
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// HotSpot stack slots are 4 bytes
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jint jvmci_slot = slots->int_at(i);
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jint hotspot_slot = jvmci_slot * VMRegImpl::slots_per_word;
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VMReg hotspot_slot_as_reg = VMRegImpl::stack2reg(hotspot_slot);
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map->set_callee_saved(hotspot_slot_as_reg, hotspot_reg);
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#ifdef _LP64
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// (copied from generate_oop_map() in c1_Runtime1_x86.cpp)
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VMReg hotspot_slot_hi_as_reg = VMRegImpl::stack2reg(hotspot_slot + 1);
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map->set_callee_saved(hotspot_slot_hi_as_reg, hotspot_reg->next());
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#endif
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}
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}
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return map;
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}
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void* CodeInstaller::record_metadata_reference(Handle constant, TRAPS) {
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/*
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* This method needs to return a raw (untyped) pointer, since the value of a pointer to the base
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* class is in general not equal to the pointer of the subclass. When patching metaspace pointers,
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* the compiler expects a direct pointer to the subclass (Klass* or Method*), not a pointer to the
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* base class (Metadata* or MetaspaceObj*).
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*/
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oop obj = HotSpotMetaspaceConstantImpl::metaspaceObject(constant);
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if (obj->is_a(HotSpotResolvedObjectTypeImpl::klass())) {
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Klass* klass = java_lang_Class::as_Klass(HotSpotResolvedObjectTypeImpl::javaClass(obj));
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assert(!HotSpotMetaspaceConstantImpl::compressed(constant), "unexpected compressed klass pointer %s @ " INTPTR_FORMAT, klass->name()->as_C_string(), p2i(klass));
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int index = _oop_recorder->find_index(klass);
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TRACE_jvmci_3("metadata[%d of %d] = %s", index, _oop_recorder->metadata_count(), klass->name()->as_C_string());
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return klass;
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} else if (obj->is_a(HotSpotResolvedJavaMethodImpl::klass())) {
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Method* method = (Method*) (address) HotSpotResolvedJavaMethodImpl::metaspaceMethod(obj);
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assert(!HotSpotMetaspaceConstantImpl::compressed(constant), "unexpected compressed method pointer %s @ " INTPTR_FORMAT, method->name()->as_C_string(), p2i(method));
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int index = _oop_recorder->find_index(method);
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TRACE_jvmci_3("metadata[%d of %d] = %s", index, _oop_recorder->metadata_count(), method->name()->as_C_string());
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return method;
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} else {
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JVMCI_ERROR_NULL("unexpected metadata reference for constant of type %s", obj->klass()->signature_name());
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}
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}
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#ifdef _LP64
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narrowKlass CodeInstaller::record_narrow_metadata_reference(Handle constant, TRAPS) {
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oop obj = HotSpotMetaspaceConstantImpl::metaspaceObject(constant);
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assert(HotSpotMetaspaceConstantImpl::compressed(constant), "unexpected uncompressed pointer");
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if (!obj->is_a(HotSpotResolvedObjectTypeImpl::klass())) {
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JVMCI_ERROR_0("unexpected compressed pointer of type %s", obj->klass()->signature_name());
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}
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Klass* klass = java_lang_Class::as_Klass(HotSpotResolvedObjectTypeImpl::javaClass(obj));
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int index = _oop_recorder->find_index(klass);
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TRACE_jvmci_3("narrowKlass[%d of %d] = %s", index, _oop_recorder->metadata_count(), klass->name()->as_C_string());
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return Klass::encode_klass(klass);
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}
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#endif
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Location::Type CodeInstaller::get_oop_type(Handle value) {
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Handle valueKind = Value::valueKind(value);
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Handle platformKind = ValueKind::platformKind(valueKind);
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if (platformKind == word_kind()) {
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return Location::oop;
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} else {
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return Location::narrowoop;
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}
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}
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ScopeValue* CodeInstaller::get_scope_value(Handle value, BasicType type, GrowableArray<ScopeValue*>* objects, ScopeValue* &second, TRAPS) {
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second = NULL;
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if (value.is_null()) {
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THROW_NULL(vmSymbols::java_lang_NullPointerException());
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} else if (value == Value::ILLEGAL()) {
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if (type != T_ILLEGAL) {
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JVMCI_ERROR_NULL("unexpected illegal value, expected %s", basictype_to_str(type));
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}
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return _illegal_value;
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} else if (value->is_a(RegisterValue::klass())) {
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Handle reg = RegisterValue::reg(value);
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jint number = code_Register::number(reg);
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VMReg hotspotRegister = get_hotspot_reg(number, CHECK_NULL);
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if (is_general_purpose_reg(hotspotRegister)) {
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Location::Type locationType;
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if (type == T_OBJECT) {
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locationType = get_oop_type(value);
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} else if (type == T_LONG) {
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locationType = Location::lng;
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} else if (type == T_INT || type == T_FLOAT || type == T_SHORT || type == T_CHAR || type == T_BYTE || type == T_BOOLEAN) {
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locationType = Location::int_in_long;
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} else {
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JVMCI_ERROR_NULL("unexpected type %s in cpu register", basictype_to_str(type));
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}
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ScopeValue* value = new LocationValue(Location::new_reg_loc(locationType, hotspotRegister));
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if (type == T_LONG) {
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second = value;
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}
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return value;
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} else {
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Location::Type locationType;
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if (type == T_FLOAT) {
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// this seems weird, but the same value is used in c1_LinearScan
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locationType = Location::normal;
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} else if (type == T_DOUBLE) {
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locationType = Location::dbl;
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} else {
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JVMCI_ERROR_NULL("unexpected type %s in floating point register", basictype_to_str(type));
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}
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ScopeValue* value = new LocationValue(Location::new_reg_loc(locationType, hotspotRegister));
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if (type == T_DOUBLE) {
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second = value;
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}
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return value;
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}
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} else if (value->is_a(StackSlot::klass())) {
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jint offset = StackSlot::offset(value);
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if (StackSlot::addFrameSize(value)) {
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offset += _total_frame_size;
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}
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Location::Type locationType;
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if (type == T_OBJECT) {
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locationType = get_oop_type(value);
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} else if (type == T_LONG) {
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locationType = Location::lng;
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} else if (type == T_DOUBLE) {
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locationType = Location::dbl;
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} else if (type == T_INT || type == T_FLOAT || type == T_SHORT || type == T_CHAR || type == T_BYTE || type == T_BOOLEAN) {
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locationType = Location::normal;
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} else {
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JVMCI_ERROR_NULL("unexpected type %s in stack slot", basictype_to_str(type));
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}
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ScopeValue* value = new LocationValue(Location::new_stk_loc(locationType, offset));
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if (type == T_DOUBLE || type == T_LONG) {
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second = value;
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}
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return value;
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} else if (value->is_a(JavaConstant::klass())) {
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if (value->is_a(PrimitiveConstant::klass())) {
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if (value->is_a(RawConstant::klass())) {
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jlong prim = PrimitiveConstant::primitive(value);
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return new ConstantLongValue(prim);
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} else {
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BasicType constantType = JVMCIRuntime::kindToBasicType(PrimitiveConstant::kind(value), CHECK_NULL);
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if (type != constantType) {
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JVMCI_ERROR_NULL("primitive constant type doesn't match, expected %s but got %s", basictype_to_str(type), basictype_to_str(constantType));
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}
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if (type == T_INT || type == T_FLOAT) {
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jint prim = (jint)PrimitiveConstant::primitive(value);
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switch (prim) {
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case -1: return _int_m1_scope_value;
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case 0: return _int_0_scope_value;
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case 1: return _int_1_scope_value;
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case 2: return _int_2_scope_value;
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default: return new ConstantIntValue(prim);
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}
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} else if (type == T_LONG || type == T_DOUBLE) {
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jlong prim = PrimitiveConstant::primitive(value);
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second = _int_1_scope_value;
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return new ConstantLongValue(prim);
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} else {
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JVMCI_ERROR_NULL("unexpected primitive constant type %s", basictype_to_str(type));
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}
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}
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} else if (value->is_a(NullConstant::klass()) || value->is_a(HotSpotCompressedNullConstant::klass())) {
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if (type == T_OBJECT) {
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return _oop_null_scope_value;
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} else {
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JVMCI_ERROR_NULL("unexpected null constant, expected %s", basictype_to_str(type));
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}
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} else if (value->is_a(HotSpotObjectConstantImpl::klass())) {
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if (type == T_OBJECT) {
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oop obj = HotSpotObjectConstantImpl::object(value);
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if (obj == NULL) {
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JVMCI_ERROR_NULL("null value must be in NullConstant");
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}
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return new ConstantOopWriteValue(JNIHandles::make_local(obj));
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} else {
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JVMCI_ERROR_NULL("unexpected object constant, expected %s", basictype_to_str(type));
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}
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}
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} else if (value->is_a(VirtualObject::klass())) {
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if (type == T_OBJECT) {
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int id = VirtualObject::id(value);
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if (0 <= id && id < objects->length()) {
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ScopeValue* object = objects->at(id);
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if (object != NULL) {
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return object;
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}
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}
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JVMCI_ERROR_NULL("unknown virtual object id %d", id);
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} else {
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JVMCI_ERROR_NULL("unexpected virtual object, expected %s", basictype_to_str(type));
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}
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}
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JVMCI_ERROR_NULL("unexpected value in scope: %s", value->klass()->signature_name())
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}
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void CodeInstaller::record_object_value(ObjectValue* sv, Handle value, GrowableArray<ScopeValue*>* objects, TRAPS) {
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Handle type = VirtualObject::type(value);
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int id = VirtualObject::id(value);
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oop javaMirror = HotSpotResolvedObjectTypeImpl::javaClass(type);
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Klass* klass = java_lang_Class::as_Klass(javaMirror);
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bool isLongArray = klass == Universe::longArrayKlassObj();
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objArrayHandle values = VirtualObject::values(value);
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objArrayHandle slotKinds = VirtualObject::slotKinds(value);
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for (jint i = 0; i < values->length(); i++) {
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ScopeValue* cur_second = NULL;
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Handle object = values->obj_at(i);
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BasicType type = JVMCIRuntime::kindToBasicType(slotKinds->obj_at(i), CHECK);
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ScopeValue* value = get_scope_value(object, type, objects, cur_second, CHECK);
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if (isLongArray && cur_second == NULL) {
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// we're trying to put ints into a long array... this isn't really valid, but it's used for some optimizations.
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// add an int 0 constant
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cur_second = _int_0_scope_value;
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}
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if (cur_second != NULL) {
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sv->field_values()->append(cur_second);
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}
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assert(value != NULL, "missing value");
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sv->field_values()->append(value);
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}
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}
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MonitorValue* CodeInstaller::get_monitor_value(Handle value, GrowableArray<ScopeValue*>* objects, TRAPS) {
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if (value.is_null()) {
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THROW_NULL(vmSymbols::java_lang_NullPointerException());
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}
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if (!value->is_a(StackLockValue::klass())) {
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JVMCI_ERROR_NULL("Monitors must be of type StackLockValue, got %s", value->klass()->signature_name());
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}
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ScopeValue* second = NULL;
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ScopeValue* owner_value = get_scope_value(StackLockValue::owner(value), T_OBJECT, objects, second, CHECK_NULL);
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assert(second == NULL, "monitor cannot occupy two stack slots");
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ScopeValue* lock_data_value = get_scope_value(StackLockValue::slot(value), T_LONG, objects, second, CHECK_NULL);
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assert(second == lock_data_value, "monitor is LONG value that occupies two stack slots");
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assert(lock_data_value->is_location(), "invalid monitor location");
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Location lock_data_loc = ((LocationValue*)lock_data_value)->location();
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bool eliminated = false;
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if (StackLockValue::eliminated(value)) {
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eliminated = true;
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}
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return new MonitorValue(owner_value, lock_data_loc, eliminated);
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}
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void CodeInstaller::initialize_dependencies(oop compiled_code, OopRecorder* recorder, TRAPS) {
|
|
JavaThread* thread = JavaThread::current();
|
|
CompilerThread* compilerThread = thread->is_Compiler_thread() ? thread->as_CompilerThread() : NULL;
|
|
_oop_recorder = recorder;
|
|
_dependencies = new Dependencies(&_arena, _oop_recorder, compilerThread != NULL ? compilerThread->log() : NULL);
|
|
objArrayHandle assumptions = HotSpotCompiledCode::assumptions(compiled_code);
|
|
if (!assumptions.is_null()) {
|
|
int length = assumptions->length();
|
|
for (int i = 0; i < length; ++i) {
|
|
Handle assumption = assumptions->obj_at(i);
|
|
if (!assumption.is_null()) {
|
|
if (assumption->klass() == Assumptions_NoFinalizableSubclass::klass()) {
|
|
assumption_NoFinalizableSubclass(assumption);
|
|
} else if (assumption->klass() == Assumptions_ConcreteSubtype::klass()) {
|
|
assumption_ConcreteSubtype(assumption);
|
|
} else if (assumption->klass() == Assumptions_LeafType::klass()) {
|
|
assumption_LeafType(assumption);
|
|
} else if (assumption->klass() == Assumptions_ConcreteMethod::klass()) {
|
|
assumption_ConcreteMethod(assumption);
|
|
} else if (assumption->klass() == Assumptions_CallSiteTargetValue::klass()) {
|
|
assumption_CallSiteTargetValue(assumption);
|
|
} else {
|
|
JVMCI_ERROR("unexpected Assumption subclass %s", assumption->klass()->signature_name());
|
|
}
|
|
}
|
|
}
|
|
}
|
|
if (JvmtiExport::can_hotswap_or_post_breakpoint()) {
|
|
objArrayHandle methods = HotSpotCompiledCode::methods(compiled_code);
|
|
if (!methods.is_null()) {
|
|
int length = methods->length();
|
|
for (int i = 0; i < length; ++i) {
|
|
Handle method_handle = methods->obj_at(i);
|
|
methodHandle method = getMethodFromHotSpotMethod(method_handle());
|
|
_dependencies->assert_evol_method(method());
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
RelocBuffer::~RelocBuffer() {
|
|
if (_buffer != NULL) {
|
|
FREE_C_HEAP_ARRAY(char, _buffer);
|
|
}
|
|
}
|
|
|
|
address RelocBuffer::begin() const {
|
|
if (_buffer != NULL) {
|
|
return (address) _buffer;
|
|
}
|
|
return (address) _static_buffer;
|
|
}
|
|
|
|
void RelocBuffer::set_size(size_t bytes) {
|
|
assert(bytes <= _size, "can't grow in size!");
|
|
_size = bytes;
|
|
}
|
|
|
|
void RelocBuffer::ensure_size(size_t bytes) {
|
|
assert(_buffer == NULL, "can only be used once");
|
|
assert(_size == 0, "can only be used once");
|
|
if (bytes >= RelocBuffer::stack_size) {
|
|
_buffer = NEW_C_HEAP_ARRAY(char, bytes, mtInternal);
|
|
}
|
|
_size = bytes;
|
|
}
|
|
|
|
JVMCIEnv::CodeInstallResult CodeInstaller::gather_metadata(Handle target, Handle compiled_code, CodeMetadata& metadata, TRAPS) {
|
|
CodeBuffer buffer("JVMCI Compiler CodeBuffer for Metadata");
|
|
jobject compiled_code_obj = JNIHandles::make_local(compiled_code());
|
|
initialize_dependencies(JNIHandles::resolve(compiled_code_obj), NULL, CHECK_OK);
|
|
|
|
// Get instructions and constants CodeSections early because we need it.
|
|
_instructions = buffer.insts();
|
|
_constants = buffer.consts();
|
|
|
|
initialize_fields(target(), JNIHandles::resolve(compiled_code_obj), CHECK_OK);
|
|
JVMCIEnv::CodeInstallResult result = initialize_buffer(buffer, CHECK_OK);
|
|
if (result != JVMCIEnv::ok) {
|
|
return result;
|
|
}
|
|
|
|
_debug_recorder->pcs_size(); // create the sentinel record
|
|
|
|
assert(_debug_recorder->pcs_length() >= 2, "must be at least 2");
|
|
|
|
metadata.set_pc_desc(_debug_recorder->pcs(), _debug_recorder->pcs_length());
|
|
metadata.set_scopes(_debug_recorder->stream()->buffer(), _debug_recorder->data_size());
|
|
metadata.set_exception_table(&_exception_handler_table);
|
|
|
|
RelocBuffer* reloc_buffer = metadata.get_reloc_buffer();
|
|
|
|
reloc_buffer->ensure_size(buffer.total_relocation_size());
|
|
size_t size = (size_t) buffer.copy_relocations_to(reloc_buffer->begin(), (CodeBuffer::csize_t) reloc_buffer->size(), true);
|
|
reloc_buffer->set_size(size);
|
|
return JVMCIEnv::ok;
|
|
}
|
|
|
|
// constructor used to create a method
|
|
JVMCIEnv::CodeInstallResult CodeInstaller::install(JVMCICompiler* compiler, Handle target, Handle compiled_code, CodeBlob*& cb, Handle installed_code, Handle speculation_log, TRAPS) {
|
|
CodeBuffer buffer("JVMCI Compiler CodeBuffer");
|
|
jobject compiled_code_obj = JNIHandles::make_local(compiled_code());
|
|
OopRecorder* recorder = new OopRecorder(&_arena, true);
|
|
initialize_dependencies(JNIHandles::resolve(compiled_code_obj), recorder, CHECK_OK);
|
|
|
|
// Get instructions and constants CodeSections early because we need it.
|
|
_instructions = buffer.insts();
|
|
_constants = buffer.consts();
|
|
|
|
initialize_fields(target(), JNIHandles::resolve(compiled_code_obj), CHECK_OK);
|
|
JVMCIEnv::CodeInstallResult result = initialize_buffer(buffer, CHECK_OK);
|
|
if (result != JVMCIEnv::ok) {
|
|
return result;
|
|
}
|
|
|
|
int stack_slots = _total_frame_size / HeapWordSize; // conversion to words
|
|
|
|
if (!compiled_code->is_a(HotSpotCompiledNmethod::klass())) {
|
|
oop stubName = HotSpotCompiledCode::name(compiled_code_obj);
|
|
char* name = strdup(java_lang_String::as_utf8_string(stubName));
|
|
cb = RuntimeStub::new_runtime_stub(name,
|
|
&buffer,
|
|
CodeOffsets::frame_never_safe,
|
|
stack_slots,
|
|
_debug_recorder->_oopmaps,
|
|
false);
|
|
result = JVMCIEnv::ok;
|
|
} else {
|
|
nmethod* nm = NULL;
|
|
methodHandle method = getMethodFromHotSpotMethod(HotSpotCompiledNmethod::method(compiled_code));
|
|
jint entry_bci = HotSpotCompiledNmethod::entryBCI(compiled_code);
|
|
jint id = HotSpotCompiledNmethod::id(compiled_code);
|
|
bool has_unsafe_access = HotSpotCompiledNmethod::hasUnsafeAccess(compiled_code) == JNI_TRUE;
|
|
JVMCIEnv* env = (JVMCIEnv*) (address) HotSpotCompiledNmethod::jvmciEnv(compiled_code);
|
|
if (id == -1) {
|
|
// Make sure a valid compile_id is associated with every compile
|
|
id = CompileBroker::assign_compile_id_unlocked(Thread::current(), method, entry_bci);
|
|
}
|
|
result = JVMCIEnv::register_method(method, nm, entry_bci, &_offsets, _orig_pc_offset, &buffer,
|
|
stack_slots, _debug_recorder->_oopmaps, &_exception_handler_table,
|
|
compiler, _debug_recorder, _dependencies, env, id,
|
|
has_unsafe_access, _has_wide_vector, installed_code, compiled_code, speculation_log);
|
|
cb = nm;
|
|
if (nm != NULL && env == NULL) {
|
|
DirectiveSet* directive = DirectivesStack::getMatchingDirective(method, compiler);
|
|
bool printnmethods = directive->PrintAssemblyOption || directive->PrintNMethodsOption;
|
|
if (printnmethods || PrintDebugInfo || PrintRelocations || PrintDependencies || PrintExceptionHandlers) {
|
|
nm->print_nmethod(printnmethods);
|
|
}
|
|
DirectivesStack::release(directive);
|
|
}
|
|
}
|
|
|
|
if (cb != NULL) {
|
|
// Make sure the pre-calculated constants section size was correct.
|
|
guarantee((cb->code_begin() - cb->content_begin()) >= _constants_size, "%d < %d", (int)(cb->code_begin() - cb->content_begin()), _constants_size);
|
|
}
|
|
return result;
|
|
}
|
|
|
|
void CodeInstaller::initialize_fields(oop target, oop compiled_code, TRAPS) {
|
|
if (compiled_code->is_a(HotSpotCompiledNmethod::klass())) {
|
|
Handle hotspotJavaMethod = HotSpotCompiledNmethod::method(compiled_code);
|
|
methodHandle method = getMethodFromHotSpotMethod(hotspotJavaMethod());
|
|
_parameter_count = method->size_of_parameters();
|
|
TRACE_jvmci_2("installing code for %s", method->name_and_sig_as_C_string());
|
|
} else {
|
|
// Must be a HotSpotCompiledRuntimeStub.
|
|
// Only used in OopMap constructor for non-product builds
|
|
_parameter_count = 0;
|
|
}
|
|
_sites_handle = JNIHandles::make_local(HotSpotCompiledCode::sites(compiled_code));
|
|
|
|
_code_handle = JNIHandles::make_local(HotSpotCompiledCode::targetCode(compiled_code));
|
|
_code_size = HotSpotCompiledCode::targetCodeSize(compiled_code);
|
|
_total_frame_size = HotSpotCompiledCode::totalFrameSize(compiled_code);
|
|
|
|
oop deoptRescueSlot = HotSpotCompiledCode::deoptRescueSlot(compiled_code);
|
|
if (deoptRescueSlot == NULL) {
|
|
_orig_pc_offset = -1;
|
|
} else {
|
|
_orig_pc_offset = StackSlot::offset(deoptRescueSlot);
|
|
if (StackSlot::addFrameSize(deoptRescueSlot)) {
|
|
_orig_pc_offset += _total_frame_size;
|
|
}
|
|
if (_orig_pc_offset < 0) {
|
|
JVMCI_ERROR("invalid deopt rescue slot: %d", _orig_pc_offset);
|
|
}
|
|
}
|
|
|
|
// Pre-calculate the constants section size. This is required for PC-relative addressing.
|
|
_data_section_handle = JNIHandles::make_local(HotSpotCompiledCode::dataSection(compiled_code));
|
|
if ((_constants->alignment() % HotSpotCompiledCode::dataSectionAlignment(compiled_code)) != 0) {
|
|
JVMCI_ERROR("invalid data section alignment: %d", HotSpotCompiledCode::dataSectionAlignment(compiled_code));
|
|
}
|
|
_constants_size = data_section()->length();
|
|
|
|
_data_section_patches_handle = JNIHandles::make_local(HotSpotCompiledCode::dataSectionPatches(compiled_code));
|
|
|
|
#ifndef PRODUCT
|
|
_comments_handle = JNIHandles::make_local(HotSpotCompiledCode::comments(compiled_code));
|
|
#endif
|
|
|
|
_next_call_type = INVOKE_INVALID;
|
|
|
|
_has_wide_vector = false;
|
|
|
|
oop arch = TargetDescription::arch(target);
|
|
_word_kind_handle = JNIHandles::make_local(Architecture::wordKind(arch));
|
|
}
|
|
|
|
int CodeInstaller::estimate_stubs_size(TRAPS) {
|
|
// Estimate the number of static call stubs that might be emitted.
|
|
int static_call_stubs = 0;
|
|
objArrayOop sites = this->sites();
|
|
for (int i = 0; i < sites->length(); i++) {
|
|
oop site = sites->obj_at(i);
|
|
if (site != NULL && site->is_a(site_Mark::klass())) {
|
|
oop id_obj = site_Mark::id(site);
|
|
if (id_obj != NULL) {
|
|
if (!java_lang_boxing_object::is_instance(id_obj, T_INT)) {
|
|
JVMCI_ERROR_0("expected Integer id, got %s", id_obj->klass()->signature_name());
|
|
}
|
|
jint id = id_obj->int_field(java_lang_boxing_object::value_offset_in_bytes(T_INT));
|
|
if (id == INVOKESTATIC || id == INVOKESPECIAL) {
|
|
static_call_stubs++;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
return static_call_stubs * CompiledStaticCall::to_interp_stub_size();
|
|
}
|
|
|
|
// perform data and call relocation on the CodeBuffer
|
|
JVMCIEnv::CodeInstallResult CodeInstaller::initialize_buffer(CodeBuffer& buffer, TRAPS) {
|
|
HandleMark hm;
|
|
objArrayHandle sites = this->sites();
|
|
int locs_buffer_size = sites->length() * (relocInfo::length_limit + sizeof(relocInfo));
|
|
|
|
// Allocate enough space in the stub section for the static call
|
|
// stubs. Stubs have extra relocs but they are managed by the stub
|
|
// section itself so they don't need to be accounted for in the
|
|
// locs_buffer above.
|
|
int stubs_size = estimate_stubs_size(CHECK_OK);
|
|
int total_size = round_to(_code_size, buffer.insts()->alignment()) + round_to(_constants_size, buffer.consts()->alignment()) + round_to(stubs_size, buffer.stubs()->alignment());
|
|
|
|
if (total_size > JVMCINMethodSizeLimit) {
|
|
return JVMCIEnv::code_too_large;
|
|
}
|
|
|
|
buffer.initialize(total_size, locs_buffer_size);
|
|
if (buffer.blob() == NULL) {
|
|
return JVMCIEnv::cache_full;
|
|
}
|
|
buffer.initialize_stubs_size(stubs_size);
|
|
buffer.initialize_consts_size(_constants_size);
|
|
|
|
_debug_recorder = new DebugInformationRecorder(_oop_recorder);
|
|
_debug_recorder->set_oopmaps(new OopMapSet());
|
|
|
|
buffer.initialize_oop_recorder(_oop_recorder);
|
|
|
|
// copy the constant data into the newly created CodeBuffer
|
|
address end_data = _constants->start() + _constants_size;
|
|
memcpy(_constants->start(), data_section()->base(T_BYTE), _constants_size);
|
|
_constants->set_end(end_data);
|
|
|
|
// copy the code into the newly created CodeBuffer
|
|
address end_pc = _instructions->start() + _code_size;
|
|
guarantee(_instructions->allocates2(end_pc), "initialize should have reserved enough space for all the code");
|
|
memcpy(_instructions->start(), code()->base(T_BYTE), _code_size);
|
|
_instructions->set_end(end_pc);
|
|
|
|
for (int i = 0; i < data_section_patches()->length(); i++) {
|
|
Handle patch = data_section_patches()->obj_at(i);
|
|
if (patch.is_null()) {
|
|
THROW_(vmSymbols::java_lang_NullPointerException(), JVMCIEnv::ok);
|
|
}
|
|
Handle reference = site_DataPatch::reference(patch);
|
|
if (reference.is_null()) {
|
|
THROW_(vmSymbols::java_lang_NullPointerException(), JVMCIEnv::ok);
|
|
}
|
|
if (!reference->is_a(site_ConstantReference::klass())) {
|
|
JVMCI_ERROR_OK("invalid patch in data section: %s", reference->klass()->signature_name());
|
|
}
|
|
Handle constant = site_ConstantReference::constant(reference);
|
|
if (constant.is_null()) {
|
|
THROW_(vmSymbols::java_lang_NullPointerException(), JVMCIEnv::ok);
|
|
}
|
|
address dest = _constants->start() + site_Site::pcOffset(patch);
|
|
if (constant->is_a(HotSpotMetaspaceConstantImpl::klass())) {
|
|
if (HotSpotMetaspaceConstantImpl::compressed(constant)) {
|
|
#ifdef _LP64
|
|
*((narrowKlass*) dest) = record_narrow_metadata_reference(constant, CHECK_OK);
|
|
#else
|
|
JVMCI_ERROR_OK("unexpected compressed Klass* in 32-bit mode");
|
|
#endif
|
|
} else {
|
|
*((void**) dest) = record_metadata_reference(constant, CHECK_OK);
|
|
}
|
|
} else if (constant->is_a(HotSpotObjectConstantImpl::klass())) {
|
|
Handle obj = HotSpotObjectConstantImpl::object(constant);
|
|
jobject value = JNIHandles::make_local(obj());
|
|
int oop_index = _oop_recorder->find_index(value);
|
|
|
|
if (HotSpotObjectConstantImpl::compressed(constant)) {
|
|
#ifdef _LP64
|
|
_constants->relocate(dest, oop_Relocation::spec(oop_index), relocInfo::narrow_oop_in_const);
|
|
#else
|
|
JVMCI_ERROR_OK("unexpected compressed oop in 32-bit mode");
|
|
#endif
|
|
} else {
|
|
_constants->relocate(dest, oop_Relocation::spec(oop_index));
|
|
}
|
|
} else {
|
|
JVMCI_ERROR_OK("invalid constant in data section: %s", constant->klass()->signature_name());
|
|
}
|
|
}
|
|
jint last_pc_offset = -1;
|
|
for (int i = 0; i < sites->length(); i++) {
|
|
Handle site = sites->obj_at(i);
|
|
if (site.is_null()) {
|
|
THROW_(vmSymbols::java_lang_NullPointerException(), JVMCIEnv::ok);
|
|
}
|
|
|
|
jint pc_offset = site_Site::pcOffset(site);
|
|
|
|
if (site->is_a(site_Call::klass())) {
|
|
TRACE_jvmci_4("call at %i", pc_offset);
|
|
site_Call(buffer, pc_offset, site, CHECK_OK);
|
|
} else if (site->is_a(site_Infopoint::klass())) {
|
|
// three reasons for infopoints denote actual safepoints
|
|
oop reason = site_Infopoint::reason(site);
|
|
if (site_InfopointReason::SAFEPOINT() == reason || site_InfopointReason::CALL() == reason || site_InfopointReason::IMPLICIT_EXCEPTION() == reason) {
|
|
TRACE_jvmci_4("safepoint at %i", pc_offset);
|
|
site_Safepoint(buffer, pc_offset, site, CHECK_OK);
|
|
if (_orig_pc_offset < 0) {
|
|
JVMCI_ERROR_OK("method contains safepoint, but has no deopt rescue slot");
|
|
}
|
|
} else {
|
|
TRACE_jvmci_4("infopoint at %i", pc_offset);
|
|
site_Infopoint(buffer, pc_offset, site, CHECK_OK);
|
|
}
|
|
} else if (site->is_a(site_DataPatch::klass())) {
|
|
TRACE_jvmci_4("datapatch at %i", pc_offset);
|
|
site_DataPatch(buffer, pc_offset, site, CHECK_OK);
|
|
} else if (site->is_a(site_Mark::klass())) {
|
|
TRACE_jvmci_4("mark at %i", pc_offset);
|
|
site_Mark(buffer, pc_offset, site, CHECK_OK);
|
|
} else if (site->is_a(site_ExceptionHandler::klass())) {
|
|
TRACE_jvmci_4("exceptionhandler at %i", pc_offset);
|
|
site_ExceptionHandler(pc_offset, site);
|
|
} else {
|
|
JVMCI_ERROR_OK("unexpected site subclass: %s", site->klass()->signature_name());
|
|
}
|
|
last_pc_offset = pc_offset;
|
|
|
|
if (CodeInstallSafepointChecks && SafepointSynchronize::do_call_back()) {
|
|
// this is a hacky way to force a safepoint check but nothing else was jumping out at me.
|
|
ThreadToNativeFromVM ttnfv(JavaThread::current());
|
|
}
|
|
}
|
|
|
|
#ifndef PRODUCT
|
|
if (comments() != NULL) {
|
|
for (int i = 0; i < comments()->length(); i++) {
|
|
oop comment = comments()->obj_at(i);
|
|
assert(comment->is_a(HotSpotCompiledCode_Comment::klass()), "cce");
|
|
jint offset = HotSpotCompiledCode_Comment::pcOffset(comment);
|
|
char* text = java_lang_String::as_utf8_string(HotSpotCompiledCode_Comment::text(comment));
|
|
buffer.block_comment(offset, text);
|
|
}
|
|
}
|
|
#endif
|
|
return JVMCIEnv::ok;
|
|
}
|
|
|
|
void CodeInstaller::assumption_NoFinalizableSubclass(Handle assumption) {
|
|
Handle receiverType_handle = Assumptions_NoFinalizableSubclass::receiverType(assumption());
|
|
Klass* receiverType = java_lang_Class::as_Klass(HotSpotResolvedObjectTypeImpl::javaClass(receiverType_handle));
|
|
_dependencies->assert_has_no_finalizable_subclasses(receiverType);
|
|
}
|
|
|
|
void CodeInstaller::assumption_ConcreteSubtype(Handle assumption) {
|
|
Handle context_handle = Assumptions_ConcreteSubtype::context(assumption());
|
|
Handle subtype_handle = Assumptions_ConcreteSubtype::subtype(assumption());
|
|
Klass* context = java_lang_Class::as_Klass(HotSpotResolvedObjectTypeImpl::javaClass(context_handle));
|
|
Klass* subtype = java_lang_Class::as_Klass(HotSpotResolvedObjectTypeImpl::javaClass(subtype_handle));
|
|
|
|
assert(context->is_abstract(), "");
|
|
_dependencies->assert_abstract_with_unique_concrete_subtype(context, subtype);
|
|
}
|
|
|
|
void CodeInstaller::assumption_LeafType(Handle assumption) {
|
|
Handle context_handle = Assumptions_LeafType::context(assumption());
|
|
Klass* context = java_lang_Class::as_Klass(HotSpotResolvedObjectTypeImpl::javaClass(context_handle));
|
|
|
|
_dependencies->assert_leaf_type(context);
|
|
}
|
|
|
|
void CodeInstaller::assumption_ConcreteMethod(Handle assumption) {
|
|
Handle impl_handle = Assumptions_ConcreteMethod::impl(assumption());
|
|
Handle context_handle = Assumptions_ConcreteMethod::context(assumption());
|
|
|
|
methodHandle impl = getMethodFromHotSpotMethod(impl_handle());
|
|
Klass* context = java_lang_Class::as_Klass(HotSpotResolvedObjectTypeImpl::javaClass(context_handle));
|
|
|
|
_dependencies->assert_unique_concrete_method(context, impl());
|
|
}
|
|
|
|
void CodeInstaller::assumption_CallSiteTargetValue(Handle assumption) {
|
|
Handle callSite = Assumptions_CallSiteTargetValue::callSite(assumption());
|
|
Handle methodHandle = Assumptions_CallSiteTargetValue::methodHandle(assumption());
|
|
|
|
_dependencies->assert_call_site_target_value(callSite(), methodHandle());
|
|
}
|
|
|
|
void CodeInstaller::site_ExceptionHandler(jint pc_offset, Handle exc) {
|
|
jint handler_offset = site_ExceptionHandler::handlerPos(exc);
|
|
|
|
// Subtable header
|
|
_exception_handler_table.add_entry(HandlerTableEntry(1, pc_offset, 0));
|
|
|
|
// Subtable entry
|
|
_exception_handler_table.add_entry(HandlerTableEntry(-1, handler_offset, 0));
|
|
}
|
|
|
|
// If deoptimization happens, the interpreter should reexecute these bytecodes.
|
|
// This function mainly helps the compilers to set up the reexecute bit.
|
|
static bool bytecode_should_reexecute(Bytecodes::Code code) {
|
|
switch (code) {
|
|
case Bytecodes::_invokedynamic:
|
|
case Bytecodes::_invokevirtual:
|
|
case Bytecodes::_invokeinterface:
|
|
case Bytecodes::_invokespecial:
|
|
case Bytecodes::_invokestatic:
|
|
return false;
|
|
default:
|
|
return true;
|
|
}
|
|
return true;
|
|
}
|
|
|
|
GrowableArray<ScopeValue*>* CodeInstaller::record_virtual_objects(Handle debug_info, TRAPS) {
|
|
objArrayHandle virtualObjects = DebugInfo::virtualObjectMapping(debug_info);
|
|
if (virtualObjects.is_null()) {
|
|
return NULL;
|
|
}
|
|
GrowableArray<ScopeValue*>* objects = new GrowableArray<ScopeValue*>(virtualObjects->length(), virtualObjects->length(), NULL);
|
|
// Create the unique ObjectValues
|
|
for (int i = 0; i < virtualObjects->length(); i++) {
|
|
Handle value = virtualObjects->obj_at(i);
|
|
int id = VirtualObject::id(value);
|
|
Handle type = VirtualObject::type(value);
|
|
oop javaMirror = HotSpotResolvedObjectTypeImpl::javaClass(type);
|
|
ObjectValue* sv = new ObjectValue(id, new ConstantOopWriteValue(JNIHandles::make_local(Thread::current(), javaMirror)));
|
|
if (id < 0 || id >= objects->length()) {
|
|
JVMCI_ERROR_NULL("virtual object id %d out of bounds", id);
|
|
}
|
|
if (objects->at(id) != NULL) {
|
|
JVMCI_ERROR_NULL("duplicate virtual object id %d", id);
|
|
}
|
|
objects->at_put(id, sv);
|
|
}
|
|
// All the values which could be referenced by the VirtualObjects
|
|
// exist, so now describe all the VirtualObjects themselves.
|
|
for (int i = 0; i < virtualObjects->length(); i++) {
|
|
Handle value = virtualObjects->obj_at(i);
|
|
int id = VirtualObject::id(value);
|
|
record_object_value(objects->at(id)->as_ObjectValue(), value, objects, CHECK_NULL);
|
|
}
|
|
_debug_recorder->dump_object_pool(objects);
|
|
return objects;
|
|
}
|
|
|
|
void CodeInstaller::record_scope(jint pc_offset, Handle debug_info, ScopeMode scope_mode, TRAPS) {
|
|
Handle position = DebugInfo::bytecodePosition(debug_info);
|
|
if (position.is_null()) {
|
|
// Stubs do not record scope info, just oop maps
|
|
return;
|
|
}
|
|
|
|
GrowableArray<ScopeValue*>* objectMapping;
|
|
if (scope_mode == CodeInstaller::FullFrame) {
|
|
objectMapping = record_virtual_objects(debug_info, CHECK);
|
|
} else {
|
|
objectMapping = NULL;
|
|
}
|
|
record_scope(pc_offset, position, scope_mode, objectMapping, CHECK);
|
|
}
|
|
|
|
void CodeInstaller::record_scope(jint pc_offset, Handle position, ScopeMode scope_mode, GrowableArray<ScopeValue*>* objects, TRAPS) {
|
|
Handle frame;
|
|
if (scope_mode == CodeInstaller::FullFrame) {
|
|
if (!position->is_a(BytecodeFrame::klass())) {
|
|
JVMCI_ERROR("Full frame expected for debug info at %i", pc_offset);
|
|
}
|
|
frame = position;
|
|
}
|
|
Handle caller_frame = BytecodePosition::caller(position);
|
|
if (caller_frame.not_null()) {
|
|
record_scope(pc_offset, caller_frame, scope_mode, objects, CHECK);
|
|
}
|
|
|
|
Handle hotspot_method = BytecodePosition::method(position);
|
|
Method* method = getMethodFromHotSpotMethod(hotspot_method());
|
|
jint bci = BytecodePosition::bci(position);
|
|
if (bci == BytecodeFrame::BEFORE_BCI()) {
|
|
bci = SynchronizationEntryBCI;
|
|
}
|
|
|
|
TRACE_jvmci_2("Recording scope pc_offset=%d bci=%d method=%s", pc_offset, bci, method->name_and_sig_as_C_string());
|
|
|
|
bool reexecute = false;
|
|
if (frame.not_null()) {
|
|
if (bci == SynchronizationEntryBCI){
|
|
reexecute = false;
|
|
} else {
|
|
Bytecodes::Code code = Bytecodes::java_code_at(method, method->bcp_from(bci));
|
|
reexecute = bytecode_should_reexecute(code);
|
|
if (frame.not_null()) {
|
|
reexecute = (BytecodeFrame::duringCall(frame) == JNI_FALSE);
|
|
}
|
|
}
|
|
}
|
|
|
|
DebugToken* locals_token = NULL;
|
|
DebugToken* expressions_token = NULL;
|
|
DebugToken* monitors_token = NULL;
|
|
bool throw_exception = false;
|
|
|
|
if (frame.not_null()) {
|
|
jint local_count = BytecodeFrame::numLocals(frame);
|
|
jint expression_count = BytecodeFrame::numStack(frame);
|
|
jint monitor_count = BytecodeFrame::numLocks(frame);
|
|
objArrayHandle values = BytecodeFrame::values(frame);
|
|
objArrayHandle slotKinds = BytecodeFrame::slotKinds(frame);
|
|
|
|
if (values.is_null() || slotKinds.is_null()) {
|
|
THROW(vmSymbols::java_lang_NullPointerException());
|
|
}
|
|
if (local_count + expression_count + monitor_count != values->length()) {
|
|
JVMCI_ERROR("unexpected values length %d in scope (%d locals, %d expressions, %d monitors)", values->length(), local_count, expression_count, monitor_count);
|
|
}
|
|
if (local_count + expression_count != slotKinds->length()) {
|
|
JVMCI_ERROR("unexpected slotKinds length %d in scope (%d locals, %d expressions)", slotKinds->length(), local_count, expression_count);
|
|
}
|
|
|
|
GrowableArray<ScopeValue*>* locals = local_count > 0 ? new GrowableArray<ScopeValue*> (local_count) : NULL;
|
|
GrowableArray<ScopeValue*>* expressions = expression_count > 0 ? new GrowableArray<ScopeValue*> (expression_count) : NULL;
|
|
GrowableArray<MonitorValue*>* monitors = monitor_count > 0 ? new GrowableArray<MonitorValue*> (monitor_count) : NULL;
|
|
|
|
TRACE_jvmci_2("Scope at bci %d with %d values", bci, values->length());
|
|
TRACE_jvmci_2("%d locals %d expressions, %d monitors", local_count, expression_count, monitor_count);
|
|
|
|
for (jint i = 0; i < values->length(); i++) {
|
|
ScopeValue* second = NULL;
|
|
Handle value = values->obj_at(i);
|
|
if (i < local_count) {
|
|
BasicType type = JVMCIRuntime::kindToBasicType(slotKinds->obj_at(i), CHECK);
|
|
ScopeValue* first = get_scope_value(value, type, objects, second, CHECK);
|
|
if (second != NULL) {
|
|
locals->append(second);
|
|
}
|
|
locals->append(first);
|
|
} else if (i < local_count + expression_count) {
|
|
BasicType type = JVMCIRuntime::kindToBasicType(slotKinds->obj_at(i), CHECK);
|
|
ScopeValue* first = get_scope_value(value, type, objects, second, CHECK);
|
|
if (second != NULL) {
|
|
expressions->append(second);
|
|
}
|
|
expressions->append(first);
|
|
} else {
|
|
MonitorValue *monitor = get_monitor_value(value, objects, CHECK);
|
|
monitors->append(monitor);
|
|
}
|
|
if (second != NULL) {
|
|
i++;
|
|
if (i >= values->length() || values->obj_at(i) != Value::ILLEGAL()) {
|
|
JVMCI_ERROR("double-slot value not followed by Value.ILLEGAL");
|
|
}
|
|
}
|
|
}
|
|
|
|
locals_token = _debug_recorder->create_scope_values(locals);
|
|
expressions_token = _debug_recorder->create_scope_values(expressions);
|
|
monitors_token = _debug_recorder->create_monitor_values(monitors);
|
|
|
|
throw_exception = BytecodeFrame::rethrowException(frame) == JNI_TRUE;
|
|
}
|
|
|
|
_debug_recorder->describe_scope(pc_offset, method, NULL, bci, reexecute, throw_exception, false, false,
|
|
locals_token, expressions_token, monitors_token);
|
|
}
|
|
|
|
void CodeInstaller::site_Safepoint(CodeBuffer& buffer, jint pc_offset, Handle site, TRAPS) {
|
|
Handle debug_info = site_Infopoint::debugInfo(site);
|
|
if (debug_info.is_null()) {
|
|
JVMCI_ERROR("debug info expected at safepoint at %i", pc_offset);
|
|
}
|
|
|
|
// address instruction = _instructions->start() + pc_offset;
|
|
// jint next_pc_offset = Assembler::locate_next_instruction(instruction) - _instructions->start();
|
|
OopMap *map = create_oop_map(debug_info, CHECK);
|
|
_debug_recorder->add_safepoint(pc_offset, map);
|
|
record_scope(pc_offset, debug_info, CodeInstaller::FullFrame, CHECK);
|
|
_debug_recorder->end_safepoint(pc_offset);
|
|
}
|
|
|
|
void CodeInstaller::site_Infopoint(CodeBuffer& buffer, jint pc_offset, Handle site, TRAPS) {
|
|
Handle debug_info = site_Infopoint::debugInfo(site);
|
|
if (debug_info.is_null()) {
|
|
JVMCI_ERROR("debug info expected at infopoint at %i", pc_offset);
|
|
}
|
|
|
|
// We'd like to check that pc_offset is greater than the
|
|
// last pc recorded with _debug_recorder (raising an exception if not)
|
|
// but DebugInformationRecorder doesn't have sufficient public API.
|
|
|
|
_debug_recorder->add_non_safepoint(pc_offset);
|
|
record_scope(pc_offset, debug_info, CodeInstaller::BytecodePosition, CHECK);
|
|
_debug_recorder->end_non_safepoint(pc_offset);
|
|
}
|
|
|
|
void CodeInstaller::site_Call(CodeBuffer& buffer, jint pc_offset, Handle site, TRAPS) {
|
|
Handle target = site_Call::target(site);
|
|
InstanceKlass* target_klass = InstanceKlass::cast(target->klass());
|
|
|
|
Handle hotspot_method; // JavaMethod
|
|
Handle foreign_call;
|
|
|
|
if (target_klass->is_subclass_of(SystemDictionary::HotSpotForeignCallTarget_klass())) {
|
|
foreign_call = target;
|
|
} else {
|
|
hotspot_method = target;
|
|
}
|
|
|
|
Handle debug_info = site_Call::debugInfo(site);
|
|
|
|
assert(hotspot_method.not_null() ^ foreign_call.not_null(), "Call site needs exactly one type");
|
|
|
|
NativeInstruction* inst = nativeInstruction_at(_instructions->start() + pc_offset);
|
|
jint next_pc_offset = CodeInstaller::pd_next_offset(inst, pc_offset, hotspot_method, CHECK);
|
|
|
|
if (debug_info.not_null()) {
|
|
OopMap *map = create_oop_map(debug_info, CHECK);
|
|
_debug_recorder->add_safepoint(next_pc_offset, map);
|
|
record_scope(next_pc_offset, debug_info, CodeInstaller::FullFrame, CHECK);
|
|
}
|
|
|
|
if (foreign_call.not_null()) {
|
|
jlong foreign_call_destination = HotSpotForeignCallTarget::address(foreign_call);
|
|
CodeInstaller::pd_relocate_ForeignCall(inst, foreign_call_destination, CHECK);
|
|
} else { // method != NULL
|
|
if (debug_info.is_null()) {
|
|
JVMCI_ERROR("debug info expected at call at %i", pc_offset);
|
|
}
|
|
|
|
TRACE_jvmci_3("method call");
|
|
CodeInstaller::pd_relocate_JavaMethod(hotspot_method, pc_offset, CHECK);
|
|
if (_next_call_type == INVOKESTATIC || _next_call_type == INVOKESPECIAL) {
|
|
// Need a static call stub for transitions from compiled to interpreted.
|
|
CompiledStaticCall::emit_to_interp_stub(buffer, _instructions->start() + pc_offset);
|
|
}
|
|
}
|
|
|
|
_next_call_type = INVOKE_INVALID;
|
|
|
|
if (debug_info.not_null()) {
|
|
_debug_recorder->end_safepoint(next_pc_offset);
|
|
}
|
|
}
|
|
|
|
void CodeInstaller::site_DataPatch(CodeBuffer& buffer, jint pc_offset, Handle site, TRAPS) {
|
|
Handle reference = site_DataPatch::reference(site);
|
|
if (reference.is_null()) {
|
|
THROW(vmSymbols::java_lang_NullPointerException());
|
|
} else if (reference->is_a(site_ConstantReference::klass())) {
|
|
Handle constant = site_ConstantReference::constant(reference);
|
|
if (constant.is_null()) {
|
|
THROW(vmSymbols::java_lang_NullPointerException());
|
|
} else if (constant->is_a(HotSpotObjectConstantImpl::klass())) {
|
|
pd_patch_OopConstant(pc_offset, constant, CHECK);
|
|
} else if (constant->is_a(HotSpotMetaspaceConstantImpl::klass())) {
|
|
pd_patch_MetaspaceConstant(pc_offset, constant, CHECK);
|
|
} else {
|
|
JVMCI_ERROR("unknown constant type in data patch: %s", constant->klass()->signature_name());
|
|
}
|
|
} else if (reference->is_a(site_DataSectionReference::klass())) {
|
|
int data_offset = site_DataSectionReference::offset(reference);
|
|
if (0 <= data_offset && data_offset < _constants_size) {
|
|
pd_patch_DataSectionReference(pc_offset, data_offset, CHECK);
|
|
} else {
|
|
JVMCI_ERROR("data offset 0x%X points outside data section (size 0x%X)", data_offset, _constants_size);
|
|
}
|
|
} else {
|
|
JVMCI_ERROR("unknown data patch type: %s", reference->klass()->signature_name());
|
|
}
|
|
}
|
|
|
|
void CodeInstaller::site_Mark(CodeBuffer& buffer, jint pc_offset, Handle site, TRAPS) {
|
|
Handle id_obj = site_Mark::id(site);
|
|
|
|
if (id_obj.not_null()) {
|
|
if (!java_lang_boxing_object::is_instance(id_obj(), T_INT)) {
|
|
JVMCI_ERROR("expected Integer id, got %s", id_obj->klass()->signature_name());
|
|
}
|
|
jint id = id_obj->int_field(java_lang_boxing_object::value_offset_in_bytes(T_INT));
|
|
|
|
address pc = _instructions->start() + pc_offset;
|
|
|
|
switch (id) {
|
|
case UNVERIFIED_ENTRY:
|
|
_offsets.set_value(CodeOffsets::Entry, pc_offset);
|
|
break;
|
|
case VERIFIED_ENTRY:
|
|
_offsets.set_value(CodeOffsets::Verified_Entry, pc_offset);
|
|
break;
|
|
case OSR_ENTRY:
|
|
_offsets.set_value(CodeOffsets::OSR_Entry, pc_offset);
|
|
break;
|
|
case EXCEPTION_HANDLER_ENTRY:
|
|
_offsets.set_value(CodeOffsets::Exceptions, pc_offset);
|
|
break;
|
|
case DEOPT_HANDLER_ENTRY:
|
|
_offsets.set_value(CodeOffsets::Deopt, pc_offset);
|
|
break;
|
|
case INVOKEVIRTUAL:
|
|
case INVOKEINTERFACE:
|
|
case INLINE_INVOKE:
|
|
case INVOKESTATIC:
|
|
case INVOKESPECIAL:
|
|
_next_call_type = (MarkId) id;
|
|
_invoke_mark_pc = pc;
|
|
break;
|
|
case POLL_NEAR:
|
|
case POLL_FAR:
|
|
case POLL_RETURN_NEAR:
|
|
case POLL_RETURN_FAR:
|
|
pd_relocate_poll(pc, id, CHECK);
|
|
break;
|
|
case CARD_TABLE_SHIFT:
|
|
case CARD_TABLE_ADDRESS:
|
|
case HEAP_TOP_ADDRESS:
|
|
case HEAP_END_ADDRESS:
|
|
case NARROW_KLASS_BASE_ADDRESS:
|
|
case CRC_TABLE_ADDRESS:
|
|
break;
|
|
default:
|
|
JVMCI_ERROR("invalid mark id: %d", id);
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|