/* * 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. * */ #ifndef SHARE_VM_SHARK_SHARKBUILDER_HPP #define SHARE_VM_SHARK_SHARKBUILDER_HPP #include "ci/ciType.hpp" #include "gc/shared/barrierSet.hpp" #include "gc/shared/cardTableModRefBS.hpp" #include "shark/llvmHeaders.hpp" #include "shark/llvmValue.hpp" #include "shark/sharkCodeBuffer.hpp" #include "shark/sharkEntry.hpp" #include "shark/sharkType.hpp" #include "shark/sharkValue.hpp" #include "utilities/debug.hpp" #include "utilities/sizes.hpp" class SharkBuilder : public llvm::IRBuilder<> { friend class SharkCompileInvariants; public: SharkBuilder(SharkCodeBuffer* code_buffer); // The code buffer we are building into. private: SharkCodeBuffer* _code_buffer; protected: SharkCodeBuffer* code_buffer() const { return _code_buffer; } public: llvm::LoadInst* CreateAtomicLoad(llvm::Value* ptr, unsigned align = HeapWordSize, llvm::AtomicOrdering ordering = llvm::SequentiallyConsistent, llvm::SynchronizationScope synchScope = llvm::CrossThread, bool isVolatile = true, const char *name = ""); llvm::StoreInst* CreateAtomicStore(llvm::Value *val, llvm::Value *ptr, unsigned align = HeapWordSize, llvm::AtomicOrdering ordering = llvm::SequentiallyConsistent, llvm::SynchronizationScope SynchScope = llvm::CrossThread, bool isVolatile = true, const char *name = ""); // Helpers for accessing structures. public: llvm::Value* CreateAddressOfStructEntry(llvm::Value* base, ByteSize offset, llvm::Type* type, const char *name = ""); llvm::LoadInst* CreateValueOfStructEntry(llvm::Value* base, ByteSize offset, llvm::Type* type, const char *name = ""); // Helpers for accessing arrays. public: llvm::LoadInst* CreateArrayLength(llvm::Value* arrayoop); llvm::Value* CreateArrayAddress(llvm::Value* arrayoop, llvm::Type* element_type, int element_bytes, ByteSize base_offset, llvm::Value* index, const char* name = ""); llvm::Value* CreateArrayAddress(llvm::Value* arrayoop, BasicType basic_type, ByteSize base_offset, llvm::Value* index, const char* name = ""); llvm::Value* CreateArrayAddress(llvm::Value* arrayoop, BasicType basic_type, llvm::Value* index, const char* name = ""); // Helpers for creating intrinsics and external functions. private: static llvm::Type* make_type(char type, bool void_ok); static llvm::FunctionType* make_ftype(const char* params, const char* ret); llvm::Value* make_function(const char* name, const char* params, const char* ret); llvm::Value* make_function(address func, const char* params, const char* ret); // Intrinsics and external functions, part 1: VM calls. // These are functions declared with JRT_ENTRY and JRT_EXIT, // macros which flip the thread from _thread_in_Java to // _thread_in_vm and back. VM calls always safepoint, and can // therefore throw exceptions. VM calls require of setup and // teardown, and must be called with SharkTopLevelBlock::call_vm. public: llvm::Value* find_exception_handler(); llvm::Value* monitorenter(); llvm::Value* monitorexit(); llvm::Value* new_instance(); llvm::Value* newarray(); llvm::Value* anewarray(); llvm::Value* multianewarray(); llvm::Value* register_finalizer(); llvm::Value* safepoint(); llvm::Value* throw_ArithmeticException(); llvm::Value* throw_ArrayIndexOutOfBoundsException(); llvm::Value* throw_ClassCastException(); llvm::Value* throw_NullPointerException(); // Intrinsics and external functions, part 2: High-level non-VM calls. // These are called like normal functions. The stack is not set // up for walking so they must not safepoint or throw exceptions, // or call anything that might. public: llvm::Value* f2i(); llvm::Value* f2l(); llvm::Value* d2i(); llvm::Value* d2l(); llvm::Value* is_subtype_of(); llvm::Value* current_time_millis(); llvm::Value* sin(); llvm::Value* cos(); llvm::Value* tan(); llvm::Value* atan2(); llvm::Value* sqrt(); llvm::Value* log(); llvm::Value* log10(); llvm::Value* pow(); llvm::Value* exp(); llvm::Value* fabs(); llvm::Value* unsafe_field_offset_to_byte_offset(); llvm::Value* osr_migration_end(); // Intrinsics and external functions, part 3: semi-VM calls. // These are special cases that do VM call stuff but are invoked // as though they were normal calls. This is acceptable so long // as the method that calls them returns to its immediately that // the semi VM call returns. public: llvm::Value* throw_StackOverflowError(); llvm::Value* uncommon_trap(); llvm::Value* deoptimized_entry_point(); // Intrinsics and external functions, part 4: Native-Java transition. // This is a special case in that it is invoked during a thread // state transition. The stack must be set up for walking, and it // may throw exceptions, but the state is _thread_in_native_trans. public: llvm::Value* check_special_condition_for_native_trans(); // Intrinsics and external functions, part 5: Low-level non-VM calls. // These have the same caveats as the high-level non-VM calls // above. They are not accessed directly; rather, you should // access them via the various Create* methods below. private: llvm::Value* cmpxchg_int(); llvm::Value* cmpxchg_ptr(); llvm::Value* frame_address(); llvm::Value* memset(); llvm::Value* unimplemented(); llvm::Value* should_not_reach_here(); llvm::Value* dump(); // Public interface to low-level non-VM calls. public: llvm::CallInst* CreateGetFrameAddress(); llvm::CallInst* CreateMemset(llvm::Value* dst, llvm::Value* value, llvm::Value* len, llvm::Value* align); llvm::CallInst* CreateUnimplemented(const char* file, int line); llvm::CallInst* CreateShouldNotReachHere(const char* file, int line); NOT_PRODUCT(llvm::CallInst* CreateDump(llvm::Value* value)); // HotSpot memory barriers public: void CreateUpdateBarrierSet(BarrierSet* bs, llvm::Value* field); // Helpers for accessing the code buffer. public: llvm::Value* code_buffer_address(int offset); llvm::Value* CreateInlineOop(jobject object, const char* name = ""); llvm::Value* CreateInlineOop(ciObject* object, const char* name = "") { return CreateInlineOop(object->constant_encoding(), name); } llvm::Value* CreateInlineMetadata(Metadata* metadata, llvm::PointerType* type, const char* name = ""); llvm::Value* CreateInlineMetadata(ciMetadata* metadata, llvm::PointerType* type, const char* name = "") { return CreateInlineMetadata(metadata->constant_encoding(), type, name); } llvm::Value* CreateInlineData(void* data, size_t size, llvm::Type* type, const char* name = ""); // Helpers for creating basic blocks. // NB don't use unless SharkFunction::CreateBlock is unavailable. // XXX these are hacky and should be removed. public: llvm::BasicBlock* GetBlockInsertionPoint() const; llvm::BasicBlock* CreateBlock(llvm::BasicBlock* ip, const char* name="") const; }; #endif // SHARE_VM_SHARK_SHARKBUILDER_HPP