1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/src/share/vm/shark/sharkBuilder.hpp Wed Aug 11 05:51:21 2010 -0700
1.3 @@ -0,0 +1,209 @@
1.4 +/*
1.5 + * Copyright (c) 1999, 2007, Oracle and/or its affiliates. All rights reserved.
1.6 + * Copyright 2008, 2009, 2010 Red Hat, Inc.
1.7 + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
1.8 + *
1.9 + * This code is free software; you can redistribute it and/or modify it
1.10 + * under the terms of the GNU General Public License version 2 only, as
1.11 + * published by the Free Software Foundation.
1.12 + *
1.13 + * This code is distributed in the hope that it will be useful, but WITHOUT
1.14 + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
1.15 + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
1.16 + * version 2 for more details (a copy is included in the LICENSE file that
1.17 + * accompanied this code).
1.18 + *
1.19 + * You should have received a copy of the GNU General Public License version
1.20 + * 2 along with this work; if not, write to the Free Software Foundation,
1.21 + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
1.22 + *
1.23 + * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
1.24 + * or visit www.oracle.com if you need additional information or have any
1.25 + * questions.
1.26 + *
1.27 + */
1.28 +
1.29 +class SharkBuilder : public llvm::IRBuilder<> {
1.30 + friend class SharkCompileInvariants;
1.31 +
1.32 + public:
1.33 + SharkBuilder(SharkCodeBuffer* code_buffer);
1.34 +
1.35 + // The code buffer we are building into.
1.36 + private:
1.37 + SharkCodeBuffer* _code_buffer;
1.38 +
1.39 + protected:
1.40 + SharkCodeBuffer* code_buffer() const {
1.41 + return _code_buffer;
1.42 + }
1.43 +
1.44 + // Helpers for accessing structures.
1.45 + public:
1.46 + llvm::Value* CreateAddressOfStructEntry(llvm::Value* base,
1.47 + ByteSize offset,
1.48 + const llvm::Type* type,
1.49 + const char *name = "");
1.50 + llvm::LoadInst* CreateValueOfStructEntry(llvm::Value* base,
1.51 + ByteSize offset,
1.52 + const llvm::Type* type,
1.53 + const char *name = "");
1.54 +
1.55 + // Helpers for accessing arrays.
1.56 + public:
1.57 + llvm::LoadInst* CreateArrayLength(llvm::Value* arrayoop);
1.58 + llvm::Value* CreateArrayAddress(llvm::Value* arrayoop,
1.59 + const llvm::Type* element_type,
1.60 + int element_bytes,
1.61 + ByteSize base_offset,
1.62 + llvm::Value* index,
1.63 + const char* name = "");
1.64 + llvm::Value* CreateArrayAddress(llvm::Value* arrayoop,
1.65 + BasicType basic_type,
1.66 + ByteSize base_offset,
1.67 + llvm::Value* index,
1.68 + const char* name = "");
1.69 + llvm::Value* CreateArrayAddress(llvm::Value* arrayoop,
1.70 + BasicType basic_type,
1.71 + llvm::Value* index,
1.72 + const char* name = "");
1.73 +
1.74 + // Helpers for creating intrinsics and external functions.
1.75 + private:
1.76 + static const llvm::Type* make_type(char type, bool void_ok);
1.77 + static const llvm::FunctionType* make_ftype(const char* params,
1.78 + const char* ret);
1.79 + llvm::Value* make_function(const char* name,
1.80 + const char* params,
1.81 + const char* ret);
1.82 + llvm::Value* make_function(address func,
1.83 + const char* params,
1.84 + const char* ret);
1.85 +
1.86 + // Intrinsics and external functions, part 1: VM calls.
1.87 + // These are functions declared with JRT_ENTRY and JRT_EXIT,
1.88 + // macros which flip the thread from _thread_in_Java to
1.89 + // _thread_in_vm and back. VM calls always safepoint, and can
1.90 + // therefore throw exceptions. VM calls require of setup and
1.91 + // teardown, and must be called with SharkTopLevelBlock::call_vm.
1.92 + public:
1.93 + llvm::Value* find_exception_handler();
1.94 + llvm::Value* monitorenter();
1.95 + llvm::Value* monitorexit();
1.96 + llvm::Value* new_instance();
1.97 + llvm::Value* newarray();
1.98 + llvm::Value* anewarray();
1.99 + llvm::Value* multianewarray();
1.100 + llvm::Value* register_finalizer();
1.101 + llvm::Value* safepoint();
1.102 + llvm::Value* throw_ArithmeticException();
1.103 + llvm::Value* throw_ArrayIndexOutOfBoundsException();
1.104 + llvm::Value* throw_ClassCastException();
1.105 + llvm::Value* throw_NullPointerException();
1.106 +
1.107 + // Intrinsics and external functions, part 2: High-level non-VM calls.
1.108 + // These are called like normal functions. The stack is not set
1.109 + // up for walking so they must not safepoint or throw exceptions,
1.110 + // or call anything that might.
1.111 + public:
1.112 + llvm::Value* f2i();
1.113 + llvm::Value* f2l();
1.114 + llvm::Value* d2i();
1.115 + llvm::Value* d2l();
1.116 + llvm::Value* is_subtype_of();
1.117 + llvm::Value* current_time_millis();
1.118 + llvm::Value* sin();
1.119 + llvm::Value* cos();
1.120 + llvm::Value* tan();
1.121 + llvm::Value* atan2();
1.122 + llvm::Value* sqrt();
1.123 + llvm::Value* log();
1.124 + llvm::Value* log10();
1.125 + llvm::Value* pow();
1.126 + llvm::Value* exp();
1.127 + llvm::Value* fabs();
1.128 + llvm::Value* unsafe_field_offset_to_byte_offset();
1.129 + llvm::Value* osr_migration_end();
1.130 +
1.131 + // Intrinsics and external functions, part 3: semi-VM calls.
1.132 + // These are special cases that do VM call stuff but are invoked
1.133 + // as though they were normal calls. This is acceptable so long
1.134 + // as the method that calls them returns to its immediately that
1.135 + // the semi VM call returns.
1.136 + public:
1.137 + llvm::Value* throw_StackOverflowError();
1.138 + llvm::Value* uncommon_trap();
1.139 + llvm::Value* deoptimized_entry_point();
1.140 +
1.141 + // Intrinsics and external functions, part 4: Native-Java transition.
1.142 + // This is a special case in that it is invoked during a thread
1.143 + // state transition. The stack must be set up for walking, and it
1.144 + // may throw exceptions, but the state is _thread_in_native_trans.
1.145 + public:
1.146 + llvm::Value* check_special_condition_for_native_trans();
1.147 +
1.148 + // Intrinsics and external functions, part 5: Low-level non-VM calls.
1.149 + // These have the same caveats as the high-level non-VM calls
1.150 + // above. They are not accessed directly; rather, you should
1.151 + // access them via the various Create* methods below.
1.152 + private:
1.153 + llvm::Value* cmpxchg_int();
1.154 + llvm::Value* cmpxchg_ptr();
1.155 + llvm::Value* frame_address();
1.156 + llvm::Value* memory_barrier();
1.157 + llvm::Value* memset();
1.158 + llvm::Value* unimplemented();
1.159 + llvm::Value* should_not_reach_here();
1.160 + llvm::Value* dump();
1.161 +
1.162 + // Public interface to low-level non-VM calls.
1.163 + public:
1.164 + llvm::CallInst* CreateCmpxchgInt(llvm::Value* exchange_value,
1.165 + llvm::Value* dst,
1.166 + llvm::Value* compare_value);
1.167 + llvm::CallInst* CreateCmpxchgPtr(llvm::Value* exchange_value,
1.168 + llvm::Value* dst,
1.169 + llvm::Value* compare_value);
1.170 + llvm::CallInst* CreateGetFrameAddress();
1.171 + llvm::CallInst* CreateMemoryBarrier(int flags);
1.172 + llvm::CallInst* CreateMemset(llvm::Value* dst,
1.173 + llvm::Value* value,
1.174 + llvm::Value* len,
1.175 + llvm::Value* align);
1.176 + llvm::CallInst* CreateUnimplemented(const char* file, int line);
1.177 + llvm::CallInst* CreateShouldNotReachHere(const char* file, int line);
1.178 + NOT_PRODUCT(llvm::CallInst* CreateDump(llvm::Value* value));
1.179 +
1.180 + // Flags for CreateMemoryBarrier.
1.181 + public:
1.182 + enum BarrierFlags {
1.183 + BARRIER_LOADLOAD = 1,
1.184 + BARRIER_LOADSTORE = 2,
1.185 + BARRIER_STORELOAD = 4,
1.186 + BARRIER_STORESTORE = 8
1.187 + };
1.188 +
1.189 + // HotSpot memory barriers
1.190 + public:
1.191 + void CreateUpdateBarrierSet(BarrierSet* bs, llvm::Value* field);
1.192 +
1.193 + // Helpers for accessing the code buffer.
1.194 + public:
1.195 + llvm::Value* code_buffer_address(int offset);
1.196 + llvm::Value* CreateInlineOop(jobject object, const char* name = "");
1.197 + llvm::Value* CreateInlineOop(ciObject* object, const char* name = "") {
1.198 + return CreateInlineOop(object->constant_encoding(), name);
1.199 + }
1.200 + llvm::Value* CreateInlineData(void* data,
1.201 + size_t size,
1.202 + const llvm::Type* type,
1.203 + const char* name = "");
1.204 +
1.205 + // Helpers for creating basic blocks.
1.206 + // NB don't use unless SharkFunction::CreateBlock is unavailable.
1.207 + // XXX these are hacky and should be removed.
1.208 + public:
1.209 + llvm::BasicBlock* GetBlockInsertionPoint() const;
1.210 + llvm::BasicBlock* CreateBlock(llvm::BasicBlock* ip,
1.211 + const char* name="") const;
1.212 +};
