|
1692
|
1 /*
|
|
|
2 * Copyright (c) 1999, 2007, Oracle and/or its affiliates. All rights reserved.
|
|
|
3 * Copyright 2008, 2009, 2010 Red Hat, Inc.
|
|
|
4 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
|
|
|
5 *
|
|
|
6 * This code is free software; you can redistribute it and/or modify it
|
|
|
7 * under the terms of the GNU General Public License version 2 only, as
|
|
|
8 * published by the Free Software Foundation.
|
|
|
9 *
|
|
|
10 * This code is distributed in the hope that it will be useful, but WITHOUT
|
|
|
11 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
|
|
|
12 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
|
|
|
13 * version 2 for more details (a copy is included in the LICENSE file that
|
|
|
14 * accompanied this code).
|
|
|
15 *
|
|
|
16 * You should have received a copy of the GNU General Public License version
|
|
|
17 * 2 along with this work; if not, write to the Free Software Foundation,
|
|
|
18 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
|
|
|
19 *
|
|
|
20 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
|
|
|
21 * or visit www.oracle.com if you need additional information or have any
|
|
|
22 * questions.
|
|
|
23 *
|
|
|
24 */
|
|
|
25
|
|
|
26 class SharkBuilder : public llvm::IRBuilder<> {
|
|
|
27 friend class SharkCompileInvariants;
|
|
|
28
|
|
|
29 public:
|
|
|
30 SharkBuilder(SharkCodeBuffer* code_buffer);
|
|
|
31
|
|
|
32 // The code buffer we are building into.
|
|
|
33 private:
|
|
|
34 SharkCodeBuffer* _code_buffer;
|
|
|
35
|
|
|
36 protected:
|
|
|
37 SharkCodeBuffer* code_buffer() const {
|
|
|
38 return _code_buffer;
|
|
|
39 }
|
|
|
40
|
|
|
41 // Helpers for accessing structures.
|
|
|
42 public:
|
|
|
43 llvm::Value* CreateAddressOfStructEntry(llvm::Value* base,
|
|
|
44 ByteSize offset,
|
|
|
45 const llvm::Type* type,
|
|
|
46 const char *name = "");
|
|
|
47 llvm::LoadInst* CreateValueOfStructEntry(llvm::Value* base,
|
|
|
48 ByteSize offset,
|
|
|
49 const llvm::Type* type,
|
|
|
50 const char *name = "");
|
|
|
51
|
|
|
52 // Helpers for accessing arrays.
|
|
|
53 public:
|
|
|
54 llvm::LoadInst* CreateArrayLength(llvm::Value* arrayoop);
|
|
|
55 llvm::Value* CreateArrayAddress(llvm::Value* arrayoop,
|
|
|
56 const llvm::Type* element_type,
|
|
|
57 int element_bytes,
|
|
|
58 ByteSize base_offset,
|
|
|
59 llvm::Value* index,
|
|
|
60 const char* name = "");
|
|
|
61 llvm::Value* CreateArrayAddress(llvm::Value* arrayoop,
|
|
|
62 BasicType basic_type,
|
|
|
63 ByteSize base_offset,
|
|
|
64 llvm::Value* index,
|
|
|
65 const char* name = "");
|
|
|
66 llvm::Value* CreateArrayAddress(llvm::Value* arrayoop,
|
|
|
67 BasicType basic_type,
|
|
|
68 llvm::Value* index,
|
|
|
69 const char* name = "");
|
|
|
70
|
|
|
71 // Helpers for creating intrinsics and external functions.
|
|
|
72 private:
|
|
|
73 static const llvm::Type* make_type(char type, bool void_ok);
|
|
|
74 static const llvm::FunctionType* make_ftype(const char* params,
|
|
|
75 const char* ret);
|
|
|
76 llvm::Value* make_function(const char* name,
|
|
|
77 const char* params,
|
|
|
78 const char* ret);
|
|
|
79 llvm::Value* make_function(address func,
|
|
|
80 const char* params,
|
|
|
81 const char* ret);
|
|
|
82
|
|
|
83 // Intrinsics and external functions, part 1: VM calls.
|
|
|
84 // These are functions declared with JRT_ENTRY and JRT_EXIT,
|
|
|
85 // macros which flip the thread from _thread_in_Java to
|
|
|
86 // _thread_in_vm and back. VM calls always safepoint, and can
|
|
|
87 // therefore throw exceptions. VM calls require of setup and
|
|
|
88 // teardown, and must be called with SharkTopLevelBlock::call_vm.
|
|
|
89 public:
|
|
|
90 llvm::Value* find_exception_handler();
|
|
|
91 llvm::Value* monitorenter();
|
|
|
92 llvm::Value* monitorexit();
|
|
|
93 llvm::Value* new_instance();
|
|
|
94 llvm::Value* newarray();
|
|
|
95 llvm::Value* anewarray();
|
|
|
96 llvm::Value* multianewarray();
|
|
|
97 llvm::Value* register_finalizer();
|
|
|
98 llvm::Value* safepoint();
|
|
|
99 llvm::Value* throw_ArithmeticException();
|
|
|
100 llvm::Value* throw_ArrayIndexOutOfBoundsException();
|
|
|
101 llvm::Value* throw_ClassCastException();
|
|
|
102 llvm::Value* throw_NullPointerException();
|
|
|
103
|
|
|
104 // Intrinsics and external functions, part 2: High-level non-VM calls.
|
|
|
105 // These are called like normal functions. The stack is not set
|
|
|
106 // up for walking so they must not safepoint or throw exceptions,
|
|
|
107 // or call anything that might.
|
|
|
108 public:
|
|
|
109 llvm::Value* f2i();
|
|
|
110 llvm::Value* f2l();
|
|
|
111 llvm::Value* d2i();
|
|
|
112 llvm::Value* d2l();
|
|
|
113 llvm::Value* is_subtype_of();
|
|
|
114 llvm::Value* current_time_millis();
|
|
|
115 llvm::Value* sin();
|
|
|
116 llvm::Value* cos();
|
|
|
117 llvm::Value* tan();
|
|
|
118 llvm::Value* atan2();
|
|
|
119 llvm::Value* sqrt();
|
|
|
120 llvm::Value* log();
|
|
|
121 llvm::Value* log10();
|
|
|
122 llvm::Value* pow();
|
|
|
123 llvm::Value* exp();
|
|
|
124 llvm::Value* fabs();
|
|
|
125 llvm::Value* unsafe_field_offset_to_byte_offset();
|
|
|
126 llvm::Value* osr_migration_end();
|
|
|
127
|
|
|
128 // Intrinsics and external functions, part 3: semi-VM calls.
|
|
|
129 // These are special cases that do VM call stuff but are invoked
|
|
|
130 // as though they were normal calls. This is acceptable so long
|
|
|
131 // as the method that calls them returns to its immediately that
|
|
|
132 // the semi VM call returns.
|
|
|
133 public:
|
|
|
134 llvm::Value* throw_StackOverflowError();
|
|
|
135 llvm::Value* uncommon_trap();
|
|
|
136 llvm::Value* deoptimized_entry_point();
|
|
|
137
|
|
|
138 // Intrinsics and external functions, part 4: Native-Java transition.
|
|
|
139 // This is a special case in that it is invoked during a thread
|
|
|
140 // state transition. The stack must be set up for walking, and it
|
|
|
141 // may throw exceptions, but the state is _thread_in_native_trans.
|
|
|
142 public:
|
|
|
143 llvm::Value* check_special_condition_for_native_trans();
|
|
|
144
|
|
|
145 // Intrinsics and external functions, part 5: Low-level non-VM calls.
|
|
|
146 // These have the same caveats as the high-level non-VM calls
|
|
|
147 // above. They are not accessed directly; rather, you should
|
|
|
148 // access them via the various Create* methods below.
|
|
|
149 private:
|
|
|
150 llvm::Value* cmpxchg_int();
|
|
|
151 llvm::Value* cmpxchg_ptr();
|
|
|
152 llvm::Value* frame_address();
|
|
|
153 llvm::Value* memory_barrier();
|
|
|
154 llvm::Value* memset();
|
|
|
155 llvm::Value* unimplemented();
|
|
|
156 llvm::Value* should_not_reach_here();
|
|
|
157 llvm::Value* dump();
|
|
|
158
|
|
|
159 // Public interface to low-level non-VM calls.
|
|
|
160 public:
|
|
|
161 llvm::CallInst* CreateCmpxchgInt(llvm::Value* exchange_value,
|
|
|
162 llvm::Value* dst,
|
|
|
163 llvm::Value* compare_value);
|
|
|
164 llvm::CallInst* CreateCmpxchgPtr(llvm::Value* exchange_value,
|
|
|
165 llvm::Value* dst,
|
|
|
166 llvm::Value* compare_value);
|
|
|
167 llvm::CallInst* CreateGetFrameAddress();
|
|
|
168 llvm::CallInst* CreateMemoryBarrier(int flags);
|
|
|
169 llvm::CallInst* CreateMemset(llvm::Value* dst,
|
|
|
170 llvm::Value* value,
|
|
|
171 llvm::Value* len,
|
|
|
172 llvm::Value* align);
|
|
|
173 llvm::CallInst* CreateUnimplemented(const char* file, int line);
|
|
|
174 llvm::CallInst* CreateShouldNotReachHere(const char* file, int line);
|
|
|
175 NOT_PRODUCT(llvm::CallInst* CreateDump(llvm::Value* value));
|
|
|
176
|
|
|
177 // Flags for CreateMemoryBarrier.
|
|
|
178 public:
|
|
|
179 enum BarrierFlags {
|
|
|
180 BARRIER_LOADLOAD = 1,
|
|
|
181 BARRIER_LOADSTORE = 2,
|
|
|
182 BARRIER_STORELOAD = 4,
|
|
|
183 BARRIER_STORESTORE = 8
|
|
|
184 };
|
|
|
185
|
|
|
186 // HotSpot memory barriers
|
|
|
187 public:
|
|
|
188 void CreateUpdateBarrierSet(BarrierSet* bs, llvm::Value* field);
|
|
|
189
|
|
|
190 // Helpers for accessing the code buffer.
|
|
|
191 public:
|
|
|
192 llvm::Value* code_buffer_address(int offset);
|
|
|
193 llvm::Value* CreateInlineOop(jobject object, const char* name = "");
|
|
|
194 llvm::Value* CreateInlineOop(ciObject* object, const char* name = "") {
|
|
|
195 return CreateInlineOop(object->constant_encoding(), name);
|
|
|
196 }
|
|
|
197 llvm::Value* CreateInlineData(void* data,
|
|
|
198 size_t size,
|
|
|
199 const llvm::Type* type,
|
|
|
200 const char* name = "");
|
|
|
201
|
|
|
202 // Helpers for creating basic blocks.
|
|
|
203 // NB don't use unless SharkFunction::CreateBlock is unavailable.
|
|
|
204 // XXX these are hacky and should be removed.
|
|
|
205 public:
|
|
|
206 llvm::BasicBlock* GetBlockInsertionPoint() const;
|
|
|
207 llvm::BasicBlock* CreateBlock(llvm::BasicBlock* ip,
|
|
|
208 const char* name="") const;
|
|
|
209 };
|
