/*
* Copyright (c) 2011, 2018, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
// no precompiled headers
#include "ci/ciUtilities.hpp"
#include "gc/shared/barrierSet.hpp"
#include "memory/oopFactory.hpp"
#include "oops/objArrayOop.inline.hpp"
#include "jvmci/jvmciRuntime.hpp"
#include "jvmci/jvmciCompilerToVM.hpp"
#include "jvmci/vmStructs_jvmci.hpp"
#include "runtime/flags/jvmFlag.hpp"
#include "runtime/handles.inline.hpp"
#include "runtime/sharedRuntime.hpp"
#include "utilities/resourceHash.hpp"
int CompilerToVM::Data::Klass_vtable_start_offset;
int CompilerToVM::Data::Klass_vtable_length_offset;
int CompilerToVM::Data::Method_extra_stack_entries;
address CompilerToVM::Data::SharedRuntime_ic_miss_stub;
address CompilerToVM::Data::SharedRuntime_handle_wrong_method_stub;
address CompilerToVM::Data::SharedRuntime_deopt_blob_unpack;
address CompilerToVM::Data::SharedRuntime_deopt_blob_uncommon_trap;
size_t CompilerToVM::Data::ThreadLocalAllocBuffer_alignment_reserve;
CollectedHeap* CompilerToVM::Data::Universe_collectedHeap;
int CompilerToVM::Data::Universe_base_vtable_size;
address CompilerToVM::Data::Universe_narrow_oop_base;
int CompilerToVM::Data::Universe_narrow_oop_shift;
address CompilerToVM::Data::Universe_narrow_klass_base;
int CompilerToVM::Data::Universe_narrow_klass_shift;
void* CompilerToVM::Data::Universe_non_oop_bits;
uintptr_t CompilerToVM::Data::Universe_verify_oop_mask;
uintptr_t CompilerToVM::Data::Universe_verify_oop_bits;
bool CompilerToVM::Data::_supports_inline_contig_alloc;
HeapWord** CompilerToVM::Data::_heap_end_addr;
HeapWord* volatile* CompilerToVM::Data::_heap_top_addr;
int CompilerToVM::Data::_max_oop_map_stack_offset;
jbyte* CompilerToVM::Data::cardtable_start_address;
int CompilerToVM::Data::cardtable_shift;
int CompilerToVM::Data::vm_page_size;
int CompilerToVM::Data::sizeof_vtableEntry = sizeof(vtableEntry);
int CompilerToVM::Data::sizeof_ExceptionTableElement = sizeof(ExceptionTableElement);
int CompilerToVM::Data::sizeof_LocalVariableTableElement = sizeof(LocalVariableTableElement);
int CompilerToVM::Data::sizeof_ConstantPool = sizeof(ConstantPool);
int CompilerToVM::Data::sizeof_SymbolPointer = sizeof(Symbol*);
int CompilerToVM::Data::sizeof_narrowKlass = sizeof(narrowKlass);
int CompilerToVM::Data::sizeof_arrayOopDesc = sizeof(arrayOopDesc);
int CompilerToVM::Data::sizeof_BasicLock = sizeof(BasicLock);
address CompilerToVM::Data::dsin;
address CompilerToVM::Data::dcos;
address CompilerToVM::Data::dtan;
address CompilerToVM::Data::dexp;
address CompilerToVM::Data::dlog;
address CompilerToVM::Data::dlog10;
address CompilerToVM::Data::dpow;
address CompilerToVM::Data::symbol_init;
address CompilerToVM::Data::symbol_clinit;
void CompilerToVM::Data::initialize(TRAPS) {
Klass_vtable_start_offset = in_bytes(Klass::vtable_start_offset());
Klass_vtable_length_offset = in_bytes(Klass::vtable_length_offset());
Method_extra_stack_entries = Method::extra_stack_entries();
SharedRuntime_ic_miss_stub = SharedRuntime::get_ic_miss_stub();
SharedRuntime_handle_wrong_method_stub = SharedRuntime::get_handle_wrong_method_stub();
SharedRuntime_deopt_blob_unpack = SharedRuntime::deopt_blob()->unpack();
SharedRuntime_deopt_blob_uncommon_trap = SharedRuntime::deopt_blob()->uncommon_trap();
ThreadLocalAllocBuffer_alignment_reserve = ThreadLocalAllocBuffer::alignment_reserve();
Universe_collectedHeap = Universe::heap();
Universe_base_vtable_size = Universe::base_vtable_size();
Universe_narrow_oop_base = Universe::narrow_oop_base();
Universe_narrow_oop_shift = Universe::narrow_oop_shift();
Universe_narrow_klass_base = Universe::narrow_klass_base();
Universe_narrow_klass_shift = Universe::narrow_klass_shift();
Universe_non_oop_bits = Universe::non_oop_word();
Universe_verify_oop_mask = Universe::verify_oop_mask();
Universe_verify_oop_bits = Universe::verify_oop_bits();
_supports_inline_contig_alloc = Universe::heap()->supports_inline_contig_alloc();
_heap_end_addr = _supports_inline_contig_alloc ? Universe::heap()->end_addr() : (HeapWord**) -1;
_heap_top_addr = _supports_inline_contig_alloc ? Universe::heap()->top_addr() : (HeapWord* volatile*) -1;
_max_oop_map_stack_offset = (OopMapValue::register_mask - VMRegImpl::stack2reg(0)->value()) * VMRegImpl::stack_slot_size;
int max_oop_map_stack_index = _max_oop_map_stack_offset / VMRegImpl::stack_slot_size;
assert(OopMapValue::legal_vm_reg_name(VMRegImpl::stack2reg(max_oop_map_stack_index)), "should be valid");
assert(!OopMapValue::legal_vm_reg_name(VMRegImpl::stack2reg(max_oop_map_stack_index + 1)), "should be invalid");
symbol_init = (address) vmSymbols::object_initializer_name();
symbol_clinit = (address) vmSymbols::class_initializer_name();
BarrierSet* bs = BarrierSet::barrier_set();
if (bs->is_a(BarrierSet::CardTableBarrierSet)) {
jbyte* base = ci_card_table_address();
assert(base != NULL, "unexpected byte_map_base");
cardtable_start_address = base;
cardtable_shift = CardTable::card_shift;
} else {
// No card mark barriers
cardtable_start_address = 0;
cardtable_shift = 0;
}
vm_page_size = os::vm_page_size();
#define SET_TRIGFUNC(name) \
if (StubRoutines::name() != NULL) { \
name = StubRoutines::name(); \
} else { \
name = CAST_FROM_FN_PTR(address, SharedRuntime::name); \
}
SET_TRIGFUNC(dsin);
SET_TRIGFUNC(dcos);
SET_TRIGFUNC(dtan);
SET_TRIGFUNC(dexp);
SET_TRIGFUNC(dlog10);
SET_TRIGFUNC(dlog);
SET_TRIGFUNC(dpow);
#undef SET_TRIGFUNC
}
objArrayHandle CompilerToVM::initialize_intrinsics(TRAPS) {
objArrayHandle vmIntrinsics = oopFactory::new_objArray_handle(VMIntrinsicMethod::klass(), (vmIntrinsics::ID_LIMIT - 1), CHECK_(objArrayHandle()));
int index = 0;
// The intrinsics for a class are usually adjacent to each other.
// When they are, the string for the class name can be reused.
vmSymbols::SID kls_sid = vmSymbols::NO_SID;
Handle kls_str;
#define VM_SYMBOL_TO_STRING(s) \
java_lang_String::create_from_symbol(vmSymbols::symbol_at(vmSymbols::VM_SYMBOL_ENUM_NAME(s)), CHECK_(objArrayHandle()))
#define VM_INTRINSIC_INFO(id, kls, name, sig, ignore_fcode) { \
instanceHandle vmIntrinsicMethod = InstanceKlass::cast(VMIntrinsicMethod::klass())->allocate_instance_handle(CHECK_(objArrayHandle())); \
vmSymbols::SID sid = vmSymbols::VM_SYMBOL_ENUM_NAME(kls); \
if (kls_sid != sid) { \
kls_str = VM_SYMBOL_TO_STRING(kls); \
kls_sid = sid; \
} \
Handle name_str = VM_SYMBOL_TO_STRING(name); \
Handle sig_str = VM_SYMBOL_TO_STRING(sig); \
VMIntrinsicMethod::set_declaringClass(vmIntrinsicMethod, kls_str()); \
VMIntrinsicMethod::set_name(vmIntrinsicMethod, name_str()); \
VMIntrinsicMethod::set_descriptor(vmIntrinsicMethod, sig_str()); \
VMIntrinsicMethod::set_id(vmIntrinsicMethod, vmIntrinsics::id); \
vmIntrinsics->obj_at_put(index++, vmIntrinsicMethod()); \
}
VM_INTRINSICS_DO(VM_INTRINSIC_INFO, VM_SYMBOL_IGNORE, VM_SYMBOL_IGNORE, VM_SYMBOL_IGNORE, VM_ALIAS_IGNORE)
#undef VM_SYMBOL_TO_STRING
#undef VM_INTRINSIC_INFO
assert(index == vmIntrinsics::ID_LIMIT - 1, "must be");
return vmIntrinsics;
}
/**
* The set of VM flags known to be used.
*/
#define PREDEFINED_CONFIG_FLAGS(do_bool_flag, do_intx_flag, do_uintx_flag) \
do_intx_flag(AllocateInstancePrefetchLines) \
do_intx_flag(AllocatePrefetchDistance) \
do_intx_flag(AllocatePrefetchInstr) \
do_intx_flag(AllocatePrefetchLines) \
do_intx_flag(AllocatePrefetchStepSize) \
do_intx_flag(AllocatePrefetchStyle) \
do_intx_flag(BciProfileWidth) \
do_bool_flag(BootstrapJVMCI) \
do_bool_flag(CITime) \
do_bool_flag(CITimeEach) \
do_uintx_flag(CodeCacheSegmentSize) \
do_intx_flag(CodeEntryAlignment) \
do_bool_flag(CompactFields) \
NOT_PRODUCT(do_intx_flag(CompileTheWorldStartAt)) \
NOT_PRODUCT(do_intx_flag(CompileTheWorldStopAt)) \
do_intx_flag(ContendedPaddingWidth) \
do_bool_flag(DontCompileHugeMethods) \
do_bool_flag(EagerJVMCI) \
do_bool_flag(EnableContended) \
do_intx_flag(FieldsAllocationStyle) \
do_bool_flag(FoldStableValues) \
do_bool_flag(ForceUnreachable) \
do_intx_flag(HugeMethodLimit) \
do_bool_flag(Inline) \
do_intx_flag(JVMCICounterSize) \
do_bool_flag(JVMCIPrintProperties) \
do_bool_flag(JVMCIUseFastLocking) \
do_intx_flag(MethodProfileWidth) \
do_intx_flag(ObjectAlignmentInBytes) \
do_bool_flag(PrintInlining) \
do_bool_flag(ReduceInitialCardMarks) \
do_bool_flag(RestrictContended) \
do_intx_flag(StackReservedPages) \
do_intx_flag(StackShadowPages) \
do_bool_flag(TLABStats) \
do_uintx_flag(TLABWasteIncrement) \
do_intx_flag(TypeProfileWidth) \
do_bool_flag(UseAESIntrinsics) \
X86_ONLY(do_intx_flag(UseAVX)) \
do_bool_flag(UseBiasedLocking) \
do_bool_flag(UseCRC32Intrinsics) \
do_bool_flag(UseCompressedClassPointers) \
do_bool_flag(UseCompressedOops) \
X86_ONLY(do_bool_flag(UseCountLeadingZerosInstruction)) \
X86_ONLY(do_bool_flag(UseCountTrailingZerosInstruction)) \
do_bool_flag(UseConcMarkSweepGC) \
do_bool_flag(UseG1GC) \
do_bool_flag(UseParallelGC) \
do_bool_flag(UseParallelOldGC) \
do_bool_flag(UseSerialGC) \
do_bool_flag(UseZGC) \
do_bool_flag(UseEpsilonGC) \
COMPILER2_PRESENT(do_bool_flag(UseMontgomeryMultiplyIntrinsic)) \
COMPILER2_PRESENT(do_bool_flag(UseMontgomerySquareIntrinsic)) \
COMPILER2_PRESENT(do_bool_flag(UseMulAddIntrinsic)) \
COMPILER2_PRESENT(do_bool_flag(UseMultiplyToLenIntrinsic)) \
do_bool_flag(UsePopCountInstruction) \
do_bool_flag(UseSHA1Intrinsics) \
do_bool_flag(UseSHA256Intrinsics) \
do_bool_flag(UseSHA512Intrinsics) \
do_intx_flag(UseSSE) \
COMPILER2_PRESENT(do_bool_flag(UseSquareToLenIntrinsic)) \
do_bool_flag(UseStackBanging) \
do_bool_flag(UseTLAB) \
do_bool_flag(VerifyOops) \
#define BOXED_BOOLEAN(name, value) oop name = ((jboolean)(value) ? boxedTrue() : boxedFalse())
#define BOXED_DOUBLE(name, value) oop name; do { jvalue p; p.d = (jdouble) (value); name = java_lang_boxing_object::create(T_DOUBLE, &p, CHECK_NULL);} while(0)
#define BOXED_LONG(name, value) \
oop name; \
do { \
jvalue p; p.j = (jlong) (value); \
Handle* e = longs.get(p.j); \
if (e == NULL) { \
oop o = java_lang_boxing_object::create(T_LONG, &p, CHECK_NULL); \
Handle h(THREAD, o); \
longs.put(p.j, h); \
name = h(); \
} else { \
name = (*e)(); \
} \
} while (0)
#define CSTRING_TO_JSTRING(name, value) \
Handle name; \
do { \
if (value != NULL) { \
Handle* e = strings.get(value); \
if (e == NULL) { \
Handle h = java_lang_String::create_from_str(value, CHECK_NULL); \
strings.put(value, h); \
name = h; \
} else { \
name = (*e); \
} \
} \
} while (0)
jobjectArray readConfiguration0(JNIEnv *env, TRAPS) {
ResourceMark rm;
HandleMark hm;
// Used to canonicalize Long and String values.
ResourceHashtable<jlong, Handle> longs;
ResourceHashtable<const char*, Handle, &CompilerToVM::cstring_hash, &CompilerToVM::cstring_equals> strings;
jvalue prim;
prim.z = true; oop boxedTrueOop = java_lang_boxing_object::create(T_BOOLEAN, &prim, CHECK_NULL);
Handle boxedTrue(THREAD, boxedTrueOop);
prim.z = false; oop boxedFalseOop = java_lang_boxing_object::create(T_BOOLEAN, &prim, CHECK_NULL);
Handle boxedFalse(THREAD, boxedFalseOop);
CompilerToVM::Data::initialize(CHECK_NULL);
VMField::klass()->initialize(CHECK_NULL);
VMFlag::klass()->initialize(CHECK_NULL);
VMIntrinsicMethod::klass()->initialize(CHECK_NULL);
int len = JVMCIVMStructs::localHotSpotVMStructs_count();
objArrayHandle vmFields = oopFactory::new_objArray_handle(VMField::klass(), len, CHECK_NULL);
for (int i = 0; i < len ; i++) {
VMStructEntry vmField = JVMCIVMStructs::localHotSpotVMStructs[i];
instanceHandle vmFieldObj = InstanceKlass::cast(VMField::klass())->allocate_instance_handle(CHECK_NULL);
size_t name_buf_len = strlen(vmField.typeName) + strlen(vmField.fieldName) + 2 /* "::" */;
char* name_buf = NEW_RESOURCE_ARRAY_IN_THREAD(THREAD, char, name_buf_len + 1);
sprintf(name_buf, "%s::%s", vmField.typeName, vmField.fieldName);
CSTRING_TO_JSTRING(name, name_buf);
CSTRING_TO_JSTRING(type, vmField.typeString);
VMField::set_name(vmFieldObj, name());
VMField::set_type(vmFieldObj, type());
VMField::set_offset(vmFieldObj, vmField.offset);
VMField::set_address(vmFieldObj, (jlong) vmField.address);
if (vmField.isStatic && vmField.typeString != NULL) {
if (strcmp(vmField.typeString, "bool") == 0) {
BOXED_BOOLEAN(box, *(jbyte*) vmField.address);
VMField::set_value(vmFieldObj, box);
} else if (strcmp(vmField.typeString, "int") == 0 ||
strcmp(vmField.typeString, "jint") == 0) {
BOXED_LONG(box, *(jint*) vmField.address);
VMField::set_value(vmFieldObj, box);
} else if (strcmp(vmField.typeString, "uint64_t") == 0) {
BOXED_LONG(box, *(uint64_t*) vmField.address);
VMField::set_value(vmFieldObj, box);
} else if (strcmp(vmField.typeString, "address") == 0 ||
strcmp(vmField.typeString, "intptr_t") == 0 ||
strcmp(vmField.typeString, "uintptr_t") == 0 ||
strcmp(vmField.typeString, "OopHandle") == 0 ||
strcmp(vmField.typeString, "size_t") == 0 ||
// All foo* types are addresses.
vmField.typeString[strlen(vmField.typeString) - 1] == '*') {
BOXED_LONG(box, *((address*) vmField.address));
VMField::set_value(vmFieldObj, box);
} else {
JVMCI_ERROR_NULL("VM field %s has unsupported type %s", name_buf, vmField.typeString);
}
}
vmFields->obj_at_put(i, vmFieldObj());
}
int ints_len = JVMCIVMStructs::localHotSpotVMIntConstants_count();
int longs_len = JVMCIVMStructs::localHotSpotVMLongConstants_count();
len = ints_len + longs_len;
objArrayHandle vmConstants = oopFactory::new_objArray_handle(SystemDictionary::Object_klass(), len * 2, CHECK_NULL);
int insert = 0;
for (int i = 0; i < ints_len ; i++) {
VMIntConstantEntry c = JVMCIVMStructs::localHotSpotVMIntConstants[i];
CSTRING_TO_JSTRING(name, c.name);
BOXED_LONG(value, c.value);
vmConstants->obj_at_put(insert++, name());
vmConstants->obj_at_put(insert++, value);
}
for (int i = 0; i < longs_len ; i++) {
VMLongConstantEntry c = JVMCIVMStructs::localHotSpotVMLongConstants[i];
CSTRING_TO_JSTRING(name, c.name);
BOXED_LONG(value, c.value);
vmConstants->obj_at_put(insert++, name());
vmConstants->obj_at_put(insert++, value);
}
assert(insert == len * 2, "must be");
len = JVMCIVMStructs::localHotSpotVMAddresses_count();
objArrayHandle vmAddresses = oopFactory::new_objArray_handle(SystemDictionary::Object_klass(), len * 2, CHECK_NULL);
for (int i = 0; i < len ; i++) {
VMAddressEntry a = JVMCIVMStructs::localHotSpotVMAddresses[i];
CSTRING_TO_JSTRING(name, a.name);
BOXED_LONG(value, a.value);
vmAddresses->obj_at_put(i * 2, name());
vmAddresses->obj_at_put(i * 2 + 1, value);
}
#define COUNT_FLAG(ignore) +1
#ifdef ASSERT
#define CHECK_FLAG(type, name) { \
JVMFlag* flag = JVMFlag::find_flag(#name, strlen(#name), /*allow_locked*/ true, /* return_flag */ true); \
assert(flag != NULL, "No such flag named " #name); \
assert(flag->is_##type(), "JVMFlag " #name " is not of type " #type); \
}
#else
#define CHECK_FLAG(type, name)
#endif
#define ADD_FLAG(type, name, convert) { \
CHECK_FLAG(type, name) \
instanceHandle vmFlagObj = InstanceKlass::cast(VMFlag::klass())->allocate_instance_handle(CHECK_NULL); \
CSTRING_TO_JSTRING(fname, #name); \
CSTRING_TO_JSTRING(ftype, #type); \
VMFlag::set_name(vmFlagObj, fname()); \
VMFlag::set_type(vmFlagObj, ftype()); \
convert(value, name); \
VMFlag::set_value(vmFlagObj, value); \
vmFlags->obj_at_put(i++, vmFlagObj()); \
}
#define ADD_BOOL_FLAG(name) ADD_FLAG(bool, name, BOXED_BOOLEAN)
#define ADD_INTX_FLAG(name) ADD_FLAG(intx, name, BOXED_LONG)
#define ADD_UINTX_FLAG(name) ADD_FLAG(uintx, name, BOXED_LONG)
len = 0 + PREDEFINED_CONFIG_FLAGS(COUNT_FLAG, COUNT_FLAG, COUNT_FLAG);
objArrayHandle vmFlags = oopFactory::new_objArray_handle(VMFlag::klass(), len, CHECK_NULL);
int i = 0;
PREDEFINED_CONFIG_FLAGS(ADD_BOOL_FLAG, ADD_INTX_FLAG, ADD_UINTX_FLAG)
objArrayHandle vmIntrinsics = CompilerToVM::initialize_intrinsics(CHECK_NULL);
objArrayOop data = oopFactory::new_objArray(SystemDictionary::Object_klass(), 5, CHECK_NULL);
data->obj_at_put(0, vmFields());
data->obj_at_put(1, vmConstants());
data->obj_at_put(2, vmAddresses());
data->obj_at_put(3, vmFlags());
data->obj_at_put(4, vmIntrinsics());
return (jobjectArray) JNIHandles::make_local(THREAD, data);
#undef COUNT_FLAG
#undef ADD_FLAG
#undef ADD_BOOL_FLAG
#undef ADD_INTX_FLAG
#undef ADD_UINTX_FLAG
#undef CHECK_FLAG
}