--- a/src/hotspot/share/shark/sharkBuilder.cpp Fri Nov 03 10:43:18 2017 -0700
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,530 +0,0 @@
-/*
- * Copyright (c) 1999, 2015, Oracle and/or its affiliates. All rights reserved.
- * Copyright 2008, 2009, 2010 Red Hat, Inc.
- * 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.
- *
- */
-
-#include "precompiled.hpp"
-#include "ci/ciMethod.hpp"
-#include "gc/shared/barrierSet.hpp"
-#include "gc/shared/cardTableModRefBS.hpp"
-#include "memory/resourceArea.hpp"
-#include "oops/method.hpp"
-#include "prims/unsafe.hpp"
-#include "runtime/os.hpp"
-#include "runtime/synchronizer.hpp"
-#include "runtime/thread.hpp"
-#include "shark/llvmHeaders.hpp"
-#include "shark/llvmValue.hpp"
-#include "shark/sharkBuilder.hpp"
-#include "shark/sharkContext.hpp"
-#include "shark/sharkRuntime.hpp"
-#include "utilities/debug.hpp"
-
-using namespace llvm;
-
-SharkBuilder::SharkBuilder(SharkCodeBuffer* code_buffer)
- : IRBuilder<>(SharkContext::current()),
- _code_buffer(code_buffer) {
-}
-
-// Helpers for accessing structures
-Value* SharkBuilder::CreateAddressOfStructEntry(Value* base,
- ByteSize offset,
- Type* type,
- const char* name) {
- return CreateBitCast(CreateStructGEP(base, in_bytes(offset)), type, name);
-}
-
-LoadInst* SharkBuilder::CreateValueOfStructEntry(Value* base,
- ByteSize offset,
- Type* type,
- const char* name) {
- return CreateLoad(
- CreateAddressOfStructEntry(
- base, offset, PointerType::getUnqual(type)),
- name);
-}
-
-// Helpers for accessing arrays
-
-LoadInst* SharkBuilder::CreateArrayLength(Value* arrayoop) {
- return CreateValueOfStructEntry(
- arrayoop, in_ByteSize(arrayOopDesc::length_offset_in_bytes()),
- SharkType::jint_type(), "length");
-}
-
-Value* SharkBuilder::CreateArrayAddress(Value* arrayoop,
- Type* element_type,
- int element_bytes,
- ByteSize base_offset,
- Value* index,
- const char* name) {
- Value* offset = CreateIntCast(index, SharkType::intptr_type(), false);
- if (element_bytes != 1)
- offset = CreateShl(
- offset,
- LLVMValue::intptr_constant(exact_log2(element_bytes)));
- offset = CreateAdd(
- LLVMValue::intptr_constant(in_bytes(base_offset)), offset);
-
- return CreateIntToPtr(
- CreateAdd(CreatePtrToInt(arrayoop, SharkType::intptr_type()), offset),
- PointerType::getUnqual(element_type),
- name);
-}
-
-Value* SharkBuilder::CreateArrayAddress(Value* arrayoop,
- BasicType basic_type,
- ByteSize base_offset,
- Value* index,
- const char* name) {
- return CreateArrayAddress(
- arrayoop,
- SharkType::to_arrayType(basic_type),
- type2aelembytes(basic_type),
- base_offset, index, name);
-}
-
-Value* SharkBuilder::CreateArrayAddress(Value* arrayoop,
- BasicType basic_type,
- Value* index,
- const char* name) {
- return CreateArrayAddress(
- arrayoop, basic_type,
- in_ByteSize(arrayOopDesc::base_offset_in_bytes(basic_type)),
- index, name);
-}
-
-// Helpers for creating intrinsics and external functions.
-
-Type* SharkBuilder::make_type(char type, bool void_ok) {
- switch (type) {
- // Primitive types
- case 'c':
- return SharkType::jbyte_type();
- case 'i':
- return SharkType::jint_type();
- case 'l':
- return SharkType::jlong_type();
- case 'x':
- return SharkType::intptr_type();
- case 'f':
- return SharkType::jfloat_type();
- case 'd':
- return SharkType::jdouble_type();
-
- // Pointers to primitive types
- case 'C':
- case 'I':
- case 'L':
- case 'X':
- case 'F':
- case 'D':
- return PointerType::getUnqual(make_type(tolower(type), false));
-
- // VM objects
- case 'T':
- return SharkType::thread_type();
- case 'M':
- return PointerType::getUnqual(SharkType::monitor_type());
- case 'O':
- return SharkType::oop_type();
- case 'K':
- return SharkType::klass_type();
-
- // Miscellaneous
- case 'v':
- assert(void_ok, "should be");
- return SharkType::void_type();
- case '1':
- return SharkType::bit_type();
-
- default:
- ShouldNotReachHere();
- }
-}
-
-FunctionType* SharkBuilder::make_ftype(const char* params,
- const char* ret) {
- std::vector<Type*> param_types;
- for (const char* c = params; *c; c++)
- param_types.push_back(make_type(*c, false));
-
- assert(strlen(ret) == 1, "should be");
- Type *return_type = make_type(*ret, true);
-
- return FunctionType::get(return_type, param_types, false);
-}
-
-// Create an object representing an intrinsic or external function by
-// referencing the symbol by name. This is the LLVM-style approach,
-// but it cannot be used on functions within libjvm.so its symbols
-// are not exported. Note that you cannot make this work simply by
-// exporting the symbols, as some symbols have the same names as
-// symbols in the standard libraries (eg, atan2, fabs) and would
-// obscure them were they visible.
-Value* SharkBuilder::make_function(const char* name,
- const char* params,
- const char* ret) {
- return SharkContext::current().get_external(name, make_ftype(params, ret));
-}
-
-// Create an object representing an external function by inlining a
-// function pointer in the code. This is not the LLVM way, but it's
-// the only way to access functions in libjvm.so and functions like
-// __kernel_dmb on ARM which is accessed via an absolute address.
-Value* SharkBuilder::make_function(address func,
- const char* params,
- const char* ret) {
- return CreateIntToPtr(
- LLVMValue::intptr_constant((intptr_t) func),
- PointerType::getUnqual(make_ftype(params, ret)));
-}
-
-// VM calls
-
-Value* SharkBuilder::find_exception_handler() {
- return make_function(
- (address) SharkRuntime::find_exception_handler, "TIi", "i");
-}
-
-Value* SharkBuilder::monitorenter() {
- return make_function((address) SharkRuntime::monitorenter, "TM", "v");
-}
-
-Value* SharkBuilder::monitorexit() {
- return make_function((address) SharkRuntime::monitorexit, "TM", "v");
-}
-
-Value* SharkBuilder::new_instance() {
- return make_function((address) SharkRuntime::new_instance, "Ti", "v");
-}
-
-Value* SharkBuilder::newarray() {
- return make_function((address) SharkRuntime::newarray, "Tii", "v");
-}
-
-Value* SharkBuilder::anewarray() {
- return make_function((address) SharkRuntime::anewarray, "Tii", "v");
-}
-
-Value* SharkBuilder::multianewarray() {
- return make_function((address) SharkRuntime::multianewarray, "TiiI", "v");
-}
-
-Value* SharkBuilder::register_finalizer() {
- return make_function((address) SharkRuntime::register_finalizer, "TO", "v");
-}
-
-Value* SharkBuilder::safepoint() {
- return make_function((address) SafepointSynchronize::block, "T", "v");
-}
-
-Value* SharkBuilder::throw_ArithmeticException() {
- return make_function(
- (address) SharkRuntime::throw_ArithmeticException, "TCi", "v");
-}
-
-Value* SharkBuilder::throw_ArrayIndexOutOfBoundsException() {
- return make_function(
- (address) SharkRuntime::throw_ArrayIndexOutOfBoundsException, "TCii", "v");
-}
-
-Value* SharkBuilder::throw_ClassCastException() {
- return make_function(
- (address) SharkRuntime::throw_ClassCastException, "TCi", "v");
-}
-
-Value* SharkBuilder::throw_NullPointerException() {
- return make_function(
- (address) SharkRuntime::throw_NullPointerException, "TCi", "v");
-}
-
-// High-level non-VM calls
-
-Value* SharkBuilder::f2i() {
- return make_function((address) SharedRuntime::f2i, "f", "i");
-}
-
-Value* SharkBuilder::f2l() {
- return make_function((address) SharedRuntime::f2l, "f", "l");
-}
-
-Value* SharkBuilder::d2i() {
- return make_function((address) SharedRuntime::d2i, "d", "i");
-}
-
-Value* SharkBuilder::d2l() {
- return make_function((address) SharedRuntime::d2l, "d", "l");
-}
-
-Value* SharkBuilder::is_subtype_of() {
- return make_function((address) SharkRuntime::is_subtype_of, "KK", "c");
-}
-
-Value* SharkBuilder::current_time_millis() {
- return make_function((address) os::javaTimeMillis, "", "l");
-}
-
-Value* SharkBuilder::sin() {
- return make_function("llvm.sin.f64", "d", "d");
-}
-
-Value* SharkBuilder::cos() {
- return make_function("llvm.cos.f64", "d", "d");
-}
-
-Value* SharkBuilder::tan() {
- return make_function((address) ::tan, "d", "d");
-}
-
-Value* SharkBuilder::atan2() {
- return make_function((address) ::atan2, "dd", "d");
-}
-
-Value* SharkBuilder::sqrt() {
- return make_function("llvm.sqrt.f64", "d", "d");
-}
-
-Value* SharkBuilder::log() {
- return make_function("llvm.log.f64", "d", "d");
-}
-
-Value* SharkBuilder::log10() {
- return make_function("llvm.log10.f64", "d", "d");
-}
-
-Value* SharkBuilder::pow() {
- return make_function("llvm.pow.f64", "dd", "d");
-}
-
-Value* SharkBuilder::exp() {
- return make_function("llvm.exp.f64", "d", "d");
-}
-
-Value* SharkBuilder::fabs() {
- return make_function((address) ::fabs, "d", "d");
-}
-
-Value* SharkBuilder::unsafe_field_offset_to_byte_offset() {
- return make_function((address) Unsafe_field_offset_to_byte_offset, "l", "l");
-}
-
-Value* SharkBuilder::osr_migration_end() {
- return make_function((address) SharedRuntime::OSR_migration_end, "C", "v");
-}
-
-// Semi-VM calls
-
-Value* SharkBuilder::throw_StackOverflowError() {
- return make_function((address) ZeroStack::handle_overflow, "T", "v");
-}
-
-Value* SharkBuilder::uncommon_trap() {
- return make_function((address) SharkRuntime::uncommon_trap, "Ti", "i");
-}
-
-Value* SharkBuilder::deoptimized_entry_point() {
- return make_function((address) CppInterpreter::main_loop, "iT", "v");
-}
-
-// Native-Java transition
-
-Value* SharkBuilder::check_special_condition_for_native_trans() {
- return make_function(
- (address) JavaThread::check_special_condition_for_native_trans,
- "T", "v");
-}
-
-Value* SharkBuilder::frame_address() {
- return make_function("llvm.frameaddress", "i", "C");
-}
-
-Value* SharkBuilder::memset() {
- // LLVM 2.8 added a fifth isVolatile field for memset
- // introduced with LLVM r100304
- return make_function("llvm.memset.p0i8.i32", "Cciii", "v");
-}
-
-Value* SharkBuilder::unimplemented() {
- return make_function((address) report_unimplemented, "Ci", "v");
-}
-
-Value* SharkBuilder::should_not_reach_here() {
- return make_function((address) report_should_not_reach_here, "Ci", "v");
-}
-
-Value* SharkBuilder::dump() {
- return make_function((address) SharkRuntime::dump, "Cx", "v");
-}
-
-// Public interface to low-level non-VM calls
-
-CallInst* SharkBuilder::CreateGetFrameAddress() {
- return CreateCall(frame_address(), LLVMValue::jint_constant(0));
-}
-
-CallInst* SharkBuilder::CreateMemset(Value* dst,
- Value* value,
- Value* len,
- Value* align) {
- return CreateCall5(memset(), dst, value, len, align,
- LLVMValue::jint_constant(0));
-}
-
-CallInst* SharkBuilder::CreateUnimplemented(const char* file, int line) {
- return CreateCall2(
- unimplemented(),
- CreateIntToPtr(
- LLVMValue::intptr_constant((intptr_t) file),
- PointerType::getUnqual(SharkType::jbyte_type())),
- LLVMValue::jint_constant(line));
-}
-
-CallInst* SharkBuilder::CreateShouldNotReachHere(const char* file, int line) {
- return CreateCall2(
- should_not_reach_here(),
- CreateIntToPtr(
- LLVMValue::intptr_constant((intptr_t) file),
- PointerType::getUnqual(SharkType::jbyte_type())),
- LLVMValue::jint_constant(line));
-}
-
-#ifndef PRODUCT
-CallInst* SharkBuilder::CreateDump(Value* value) {
- const char *name;
- if (value->hasName())
- // XXX this leaks, but it's only debug code
- name = os::strdup(value->getName().str().c_str());
- else
- name = "unnamed_value";
-
- if (isa<PointerType>(value->getType()))
- value = CreatePtrToInt(value, SharkType::intptr_type());
- else if (value->getType()->
- isIntegerTy()
- )
- value = CreateIntCast(value, SharkType::intptr_type(), false);
- else
- Unimplemented();
-
- return CreateCall2(
- dump(),
- CreateIntToPtr(
- LLVMValue::intptr_constant((intptr_t) name),
- PointerType::getUnqual(SharkType::jbyte_type())),
- value);
-}
-#endif // PRODUCT
-
-// HotSpot memory barriers
-
-void SharkBuilder::CreateUpdateBarrierSet(BarrierSet* bs, Value* field) {
- if (bs->kind() != BarrierSet::CardTableForRS &&
- bs->kind() != BarrierSet::CardTableExtension) {
- Unimplemented();
- }
-
- CreateStore(
- LLVMValue::jbyte_constant(CardTableModRefBS::dirty_card_val()),
- CreateIntToPtr(
- CreateAdd(
- LLVMValue::intptr_constant(
- (intptr_t) (barrier_set_cast<CardTableModRefBS>(bs)->byte_map_base)),
- CreateLShr(
- CreatePtrToInt(field, SharkType::intptr_type()),
- LLVMValue::intptr_constant(CardTableModRefBS::card_shift))),
- PointerType::getUnqual(SharkType::jbyte_type())));
-}
-
-// Helpers for accessing the code buffer
-
-Value* SharkBuilder::code_buffer_address(int offset) {
- return CreateAdd(
- code_buffer()->base_pc(),
- LLVMValue::intptr_constant(offset));
-}
-
-Value* SharkBuilder::CreateInlineOop(jobject object, const char* name) {
- return CreateLoad(
- CreateIntToPtr(
- code_buffer_address(code_buffer()->inline_oop(object)),
- PointerType::getUnqual(SharkType::oop_type())),
- name);
-}
-
-Value* SharkBuilder::CreateInlineMetadata(Metadata* metadata, llvm::PointerType* type, const char* name) {
- assert(metadata != NULL, "inlined metadata must not be NULL");
- assert(metadata->is_metaspace_object(), "sanity check");
- return CreateLoad(
- CreateIntToPtr(
- code_buffer_address(code_buffer()->inline_Metadata(metadata)),
- PointerType::getUnqual(type)),
- name);
-}
-
-Value* SharkBuilder::CreateInlineData(void* data,
- size_t size,
- Type* type,
- const char* name) {
- return CreateIntToPtr(
- code_buffer_address(code_buffer()->inline_data(data, size)),
- type,
- name);
-}
-
-// Helpers for creating basic blocks.
-
-BasicBlock* SharkBuilder::GetBlockInsertionPoint() const {
- BasicBlock *cur = GetInsertBlock();
-
- // BasicBlock::Create takes an insertBefore argument, so
- // we need to find the block _after_ the current block
- Function::iterator iter = cur->getParent()->begin();
- Function::iterator end = cur->getParent()->end();
- while (iter != end) {
- iter++;
- if (&*iter == cur) {
- iter++;
- break;
- }
- }
-
- if (iter == end)
- return NULL;
- else
- return iter;
-}
-
-BasicBlock* SharkBuilder::CreateBlock(BasicBlock* ip, const char* name) const {
- return BasicBlock::Create(
- SharkContext::current(), name, GetInsertBlock()->getParent(), ip);
-}
-
-LoadInst* SharkBuilder::CreateAtomicLoad(Value* ptr, unsigned align, AtomicOrdering ordering, SynchronizationScope synchScope, bool isVolatile, const char* name) {
- return Insert(new LoadInst(ptr, name, isVolatile, align, ordering, synchScope), name);
-}
-
-StoreInst* SharkBuilder::CreateAtomicStore(Value* val, Value* ptr, unsigned align, AtomicOrdering ordering, SynchronizationScope synchScope, bool isVolatile, const char* name) {
- return Insert(new StoreInst(val, ptr, isVolatile, align, ordering, synchScope), name);
-}