Mercurial > hg > graal-compiler
comparison src/share/vm/shark/sharkStack.hpp @ 1692:d2ede61b7a12
6976186: integrate Shark HotSpot changes
Summary: Shark is a JIT compiler for Zero that uses the LLVM compiler infrastructure.
Reviewed-by: kvn, twisti
Contributed-by: Gary Benson <gbenson@redhat.com>
author | twisti |
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date | Wed, 11 Aug 2010 05:51:21 -0700 |
parents | |
children | f95d63e2154a |
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1691:4a665be40fd3 | 1692:d2ede61b7a12 |
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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 SharkFunction; | |
27 class SharkNativeWrapper; | |
28 class SharkStackWithNormalFrame; | |
29 class SharkStackWithNativeFrame; | |
30 | |
31 class SharkStack : public SharkCompileInvariants { | |
32 public: | |
33 static SharkStack* CreateBuildAndPushFrame( | |
34 SharkFunction* function, llvm::Value* method); | |
35 static SharkStack* CreateBuildAndPushFrame( | |
36 SharkNativeWrapper* wrapper, llvm::Value* method); | |
37 | |
38 protected: | |
39 SharkStack(const SharkCompileInvariants* parent) | |
40 : SharkCompileInvariants(parent) {} | |
41 | |
42 protected: | |
43 void initialize(llvm::Value* method); | |
44 | |
45 protected: | |
46 void CreateStackOverflowCheck(llvm::Value* sp); | |
47 | |
48 // Properties of the method being compiled | |
49 protected: | |
50 virtual int arg_size() const = 0; | |
51 virtual int max_locals() const = 0; | |
52 virtual int max_stack() const = 0; | |
53 virtual int max_monitors() const = 0; | |
54 | |
55 // BasicBlock creation | |
56 protected: | |
57 virtual llvm::BasicBlock* CreateBlock(const char* name = "") const = 0; | |
58 | |
59 // Interpreter entry point for bailouts | |
60 protected: | |
61 virtual address interpreter_entry_point() const = 0; | |
62 | |
63 // Interface with the Zero stack | |
64 private: | |
65 llvm::Value* zero_stack() const { | |
66 return builder()->CreateAddressOfStructEntry( | |
67 thread(), | |
68 JavaThread::zero_stack_offset(), | |
69 SharkType::zeroStack_type(), | |
70 "zero_stack"); | |
71 } | |
72 llvm::Value* stack_base() const { | |
73 return builder()->CreateValueOfStructEntry( | |
74 zero_stack(), | |
75 ZeroStack::base_offset(), | |
76 SharkType::intptr_type(), | |
77 "stack_base"); | |
78 } | |
79 llvm::Value* stack_pointer_addr() const { | |
80 return builder()->CreateAddressOfStructEntry( | |
81 zero_stack(), | |
82 ZeroStack::sp_offset(), | |
83 llvm::PointerType::getUnqual(SharkType::intptr_type()), | |
84 "stack_pointer_addr"); | |
85 } | |
86 llvm::Value* frame_pointer_addr() const { | |
87 return builder()->CreateAddressOfStructEntry( | |
88 thread(), | |
89 JavaThread::top_zero_frame_offset(), | |
90 llvm::PointerType::getUnqual(SharkType::intptr_type()), | |
91 "frame_pointer_addr"); | |
92 } | |
93 | |
94 public: | |
95 llvm::LoadInst* CreateLoadStackPointer(const char *name = "") { | |
96 return builder()->CreateLoad(stack_pointer_addr(), name); | |
97 } | |
98 llvm::StoreInst* CreateStoreStackPointer(llvm::Value* value) { | |
99 return builder()->CreateStore(value, stack_pointer_addr()); | |
100 } | |
101 llvm::LoadInst* CreateLoadFramePointer(const char *name = "") { | |
102 return builder()->CreateLoad(frame_pointer_addr(), name); | |
103 } | |
104 llvm::StoreInst* CreateStoreFramePointer(llvm::Value* value) { | |
105 return builder()->CreateStore(value, frame_pointer_addr()); | |
106 } | |
107 llvm::Value* CreatePopFrame(int result_slots); | |
108 | |
109 // Interface with the frame anchor | |
110 private: | |
111 llvm::Value* last_Java_sp_addr() const { | |
112 return builder()->CreateAddressOfStructEntry( | |
113 thread(), | |
114 JavaThread::last_Java_sp_offset(), | |
115 llvm::PointerType::getUnqual(SharkType::intptr_type()), | |
116 "last_Java_sp_addr"); | |
117 } | |
118 llvm::Value* last_Java_fp_addr() const { | |
119 return builder()->CreateAddressOfStructEntry( | |
120 thread(), | |
121 JavaThread::last_Java_fp_offset(), | |
122 llvm::PointerType::getUnqual(SharkType::intptr_type()), | |
123 "last_Java_fp_addr"); | |
124 } | |
125 | |
126 public: | |
127 void CreateSetLastJavaFrame() { | |
128 // Note that whenever _last_Java_sp != NULL other anchor fields | |
129 // must be valid. The profiler apparently depends on this. | |
130 NOT_PRODUCT(CreateAssertLastJavaSPIsNull()); | |
131 builder()->CreateStore(CreateLoadFramePointer(), last_Java_fp_addr()); | |
132 // XXX There's last_Java_pc as well, but I don't think anything uses it | |
133 // Also XXX: should we fence here? Zero doesn't... | |
134 builder()->CreateStore(CreateLoadStackPointer(), last_Java_sp_addr()); | |
135 // Also also XXX: we could probably cache the sp (and the fp we know??) | |
136 } | |
137 void CreateResetLastJavaFrame() { | |
138 builder()->CreateStore(LLVMValue::intptr_constant(0), last_Java_sp_addr()); | |
139 } | |
140 | |
141 private: | |
142 void CreateAssertLastJavaSPIsNull() const PRODUCT_RETURN; | |
143 | |
144 // Our method's frame | |
145 private: | |
146 llvm::Value* _frame; | |
147 int _extended_frame_size; | |
148 int _stack_slots_offset; | |
149 | |
150 public: | |
151 int extended_frame_size() const { | |
152 return _extended_frame_size; | |
153 } | |
154 int oopmap_frame_size() const { | |
155 return extended_frame_size() - arg_size(); | |
156 } | |
157 | |
158 // Offsets of things in the frame | |
159 private: | |
160 int _monitors_slots_offset; | |
161 int _oop_tmp_slot_offset; | |
162 int _method_slot_offset; | |
163 int _pc_slot_offset; | |
164 int _locals_slots_offset; | |
165 | |
166 public: | |
167 int stack_slots_offset() const { | |
168 return _stack_slots_offset; | |
169 } | |
170 int oop_tmp_slot_offset() const { | |
171 return _oop_tmp_slot_offset; | |
172 } | |
173 int method_slot_offset() const { | |
174 return _method_slot_offset; | |
175 } | |
176 int pc_slot_offset() const { | |
177 return _pc_slot_offset; | |
178 } | |
179 int locals_slots_offset() const { | |
180 return _locals_slots_offset; | |
181 } | |
182 int monitor_offset(int index) const { | |
183 assert(index >= 0 && index < max_monitors(), "invalid monitor index"); | |
184 return _monitors_slots_offset + | |
185 (max_monitors() - 1 - index) * frame::interpreter_frame_monitor_size(); | |
186 } | |
187 int monitor_object_offset(int index) const { | |
188 return monitor_offset(index) + | |
189 (BasicObjectLock::obj_offset_in_bytes() >> LogBytesPerWord); | |
190 } | |
191 int monitor_header_offset(int index) const { | |
192 return monitor_offset(index) + | |
193 ((BasicObjectLock::lock_offset_in_bytes() + | |
194 BasicLock::displaced_header_offset_in_bytes()) >> LogBytesPerWord); | |
195 } | |
196 | |
197 // Addresses of things in the frame | |
198 public: | |
199 llvm::Value* slot_addr(int offset, | |
200 const llvm::Type* type = NULL, | |
201 const char* name = "") const; | |
202 | |
203 llvm::Value* monitor_addr(int index) const { | |
204 return slot_addr( | |
205 monitor_offset(index), | |
206 SharkType::monitor_type(), | |
207 "monitor"); | |
208 } | |
209 llvm::Value* monitor_object_addr(int index) const { | |
210 return slot_addr( | |
211 monitor_object_offset(index), | |
212 SharkType::oop_type(), | |
213 "object_addr"); | |
214 } | |
215 llvm::Value* monitor_header_addr(int index) const { | |
216 return slot_addr( | |
217 monitor_header_offset(index), | |
218 SharkType::intptr_type(), | |
219 "displaced_header_addr"); | |
220 } | |
221 | |
222 // oopmap helpers | |
223 public: | |
224 static int oopmap_slot_munge(int offset) { | |
225 return offset << (LogBytesPerWord - LogBytesPerInt); | |
226 } | |
227 static VMReg slot2reg(int offset) { | |
228 return VMRegImpl::stack2reg(oopmap_slot_munge(offset)); | |
229 } | |
230 }; | |
231 | |
232 class SharkStackWithNormalFrame : public SharkStack { | |
233 friend class SharkStack; | |
234 | |
235 protected: | |
236 SharkStackWithNormalFrame(SharkFunction* function, llvm::Value* method); | |
237 | |
238 private: | |
239 SharkFunction* _function; | |
240 | |
241 private: | |
242 SharkFunction* function() const { | |
243 return _function; | |
244 } | |
245 | |
246 // Properties of the method being compiled | |
247 private: | |
248 int arg_size() const; | |
249 int max_locals() const; | |
250 int max_stack() const; | |
251 int max_monitors() const; | |
252 | |
253 // BasicBlock creation | |
254 private: | |
255 llvm::BasicBlock* CreateBlock(const char* name = "") const; | |
256 | |
257 // Interpreter entry point for bailouts | |
258 private: | |
259 address interpreter_entry_point() const; | |
260 }; | |
261 | |
262 class SharkStackWithNativeFrame : public SharkStack { | |
263 friend class SharkStack; | |
264 | |
265 protected: | |
266 SharkStackWithNativeFrame(SharkNativeWrapper* wrapper, llvm::Value* method); | |
267 | |
268 private: | |
269 SharkNativeWrapper* _wrapper; | |
270 | |
271 private: | |
272 SharkNativeWrapper* wrapper() const { | |
273 return _wrapper; | |
274 } | |
275 | |
276 // Properties of the method being compiled | |
277 private: | |
278 int arg_size() const; | |
279 int max_locals() const; | |
280 int max_stack() const; | |
281 int max_monitors() const; | |
282 | |
283 // BasicBlock creation | |
284 private: | |
285 llvm::BasicBlock* CreateBlock(const char* name = "") const; | |
286 | |
287 // Interpreter entry point for bailouts | |
288 private: | |
289 address interpreter_entry_point() const; | |
290 }; |