--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/hotspot/src/share/vm/shark/sharkBuilder.hpp Wed Aug 11 05:51:21 2010 -0700
@@ -0,0 +1,209 @@
+/*
+ * Copyright (c) 1999, 2007, 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.
+ *
+ */
+
+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;
+ }
+
+ // Helpers for accessing structures.
+ public:
+ llvm::Value* CreateAddressOfStructEntry(llvm::Value* base,
+ ByteSize offset,
+ const llvm::Type* type,
+ const char *name = "");
+ llvm::LoadInst* CreateValueOfStructEntry(llvm::Value* base,
+ ByteSize offset,
+ const llvm::Type* type,
+ const char *name = "");
+
+ // Helpers for accessing arrays.
+ public:
+ llvm::LoadInst* CreateArrayLength(llvm::Value* arrayoop);
+ llvm::Value* CreateArrayAddress(llvm::Value* arrayoop,
+ const 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 const llvm::Type* make_type(char type, bool void_ok);
+ static const 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* memory_barrier();
+ 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* CreateCmpxchgInt(llvm::Value* exchange_value,
+ llvm::Value* dst,
+ llvm::Value* compare_value);
+ llvm::CallInst* CreateCmpxchgPtr(llvm::Value* exchange_value,
+ llvm::Value* dst,
+ llvm::Value* compare_value);
+ llvm::CallInst* CreateGetFrameAddress();
+ llvm::CallInst* CreateMemoryBarrier(int flags);
+ 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));
+
+ // Flags for CreateMemoryBarrier.
+ public:
+ enum BarrierFlags {
+ BARRIER_LOADLOAD = 1,
+ BARRIER_LOADSTORE = 2,
+ BARRIER_STORELOAD = 4,
+ BARRIER_STORESTORE = 8
+ };
+
+ // 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* CreateInlineData(void* data,
+ size_t size,
+ const 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;
+};