Mercurial > hg > graal-compiler
annotate src/share/vm/runtime/frame.hpp @ 9159:43223d3f5dcd
Merge with hsx/hotspot-comp
author | Gilles Duboscq <duboscq@ssw.jku.at> |
---|---|
date | Tue, 16 Apr 2013 17:39:46 +0200 |
parents | b8f261ba79c6 |
children | 836a62f43af9 |
rev | line source |
---|---|
0 | 1 /* |
4806
eaa9557116a2
7120448: Fix FP values for compiled frames in frame::describe
bdelsart
parents:
4042
diff
changeset
|
2 * Copyright (c) 1997, 2012, Oracle and/or its affiliates. All rights reserved. |
0 | 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
4 * | |
5 * This code is free software; you can redistribute it and/or modify it | |
6 * under the terms of the GNU General Public License version 2 only, as | |
7 * published by the Free Software Foundation. | |
8 * | |
9 * This code is distributed in the hope that it will be useful, but WITHOUT | |
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
12 * version 2 for more details (a copy is included in the LICENSE file that | |
13 * accompanied this code). | |
14 * | |
15 * You should have received a copy of the GNU General Public License version | |
16 * 2 along with this work; if not, write to the Free Software Foundation, | |
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. | |
18 * | |
1552
c18cbe5936b8
6941466: Oracle rebranding changes for Hotspot repositories
trims
parents:
1506
diff
changeset
|
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
c18cbe5936b8
6941466: Oracle rebranding changes for Hotspot repositories
trims
parents:
1506
diff
changeset
|
20 * or visit www.oracle.com if you need additional information or have any |
c18cbe5936b8
6941466: Oracle rebranding changes for Hotspot repositories
trims
parents:
1506
diff
changeset
|
21 * questions. |
0 | 22 * |
23 */ | |
24 | |
1972 | 25 #ifndef SHARE_VM_RUNTIME_FRAME_HPP |
26 #define SHARE_VM_RUNTIME_FRAME_HPP | |
27 | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
28 #include "oops/method.hpp" |
1972 | 29 #include "runtime/basicLock.hpp" |
30 #include "runtime/monitorChunk.hpp" | |
31 #include "runtime/registerMap.hpp" | |
32 #include "utilities/top.hpp" | |
33 #ifdef COMPILER2 | |
34 #ifdef TARGET_ARCH_MODEL_x86_32 | |
35 # include "adfiles/adGlobals_x86_32.hpp" | |
36 #endif | |
37 #ifdef TARGET_ARCH_MODEL_x86_64 | |
38 # include "adfiles/adGlobals_x86_64.hpp" | |
39 #endif | |
40 #ifdef TARGET_ARCH_MODEL_sparc | |
41 # include "adfiles/adGlobals_sparc.hpp" | |
42 #endif | |
43 #ifdef TARGET_ARCH_MODEL_zero | |
44 # include "adfiles/adGlobals_zero.hpp" | |
45 #endif | |
2192
b92c45f2bc75
7016023: Enable building ARM and PPC from src/closed repository
bobv
parents:
2177
diff
changeset
|
46 #ifdef TARGET_ARCH_MODEL_arm |
b92c45f2bc75
7016023: Enable building ARM and PPC from src/closed repository
bobv
parents:
2177
diff
changeset
|
47 # include "adfiles/adGlobals_arm.hpp" |
b92c45f2bc75
7016023: Enable building ARM and PPC from src/closed repository
bobv
parents:
2177
diff
changeset
|
48 #endif |
b92c45f2bc75
7016023: Enable building ARM and PPC from src/closed repository
bobv
parents:
2177
diff
changeset
|
49 #ifdef TARGET_ARCH_MODEL_ppc |
b92c45f2bc75
7016023: Enable building ARM and PPC from src/closed repository
bobv
parents:
2177
diff
changeset
|
50 # include "adfiles/adGlobals_ppc.hpp" |
b92c45f2bc75
7016023: Enable building ARM and PPC from src/closed repository
bobv
parents:
2177
diff
changeset
|
51 #endif |
1972 | 52 #endif |
53 #ifdef ZERO | |
54 #ifdef TARGET_ARCH_zero | |
55 # include "stack_zero.hpp" | |
56 #endif | |
57 #endif | |
58 | |
0 | 59 typedef class BytecodeInterpreter* interpreterState; |
60 | |
61 class CodeBlob; | |
3336
2e038ad0c1d0
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
2426
diff
changeset
|
62 class FrameValues; |
1681
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1552
diff
changeset
|
63 class vframeArray; |
0 | 64 |
65 | |
66 // A frame represents a physical stack frame (an activation). Frames | |
67 // can be C or Java frames, and the Java frames can be interpreted or | |
68 // compiled. In contrast, vframes represent source-level activations, | |
69 // so that one physical frame can correspond to multiple source level | |
70 // frames because of inlining. | |
71 | |
72 class frame VALUE_OBJ_CLASS_SPEC { | |
73 private: | |
74 // Instance variables: | |
75 intptr_t* _sp; // stack pointer (from Thread::last_Java_sp) | |
76 address _pc; // program counter (the next instruction after the call) | |
77 | |
78 CodeBlob* _cb; // CodeBlob that "owns" pc | |
79 enum deopt_state { | |
80 not_deoptimized, | |
81 is_deoptimized, | |
82 unknown | |
83 }; | |
84 | |
85 deopt_state _deopt_state; | |
86 | |
87 public: | |
88 // Constructors | |
89 frame(); | |
90 | |
91 // Accessors | |
92 | |
93 // pc: Returns the pc at which this frame will continue normally. | |
94 // It must point at the beginning of the next instruction to execute. | |
95 address pc() const { return _pc; } | |
96 | |
97 // This returns the pc that if you were in the debugger you'd see. Not | |
98 // the idealized value in the frame object. This undoes the magic conversion | |
99 // that happens for deoptimized frames. In addition it makes the value the | |
100 // hardware would want to see in the native frame. The only user (at this point) | |
101 // is deoptimization. It likely no one else should ever use it. | |
102 address raw_pc() const; | |
103 | |
104 void set_pc( address newpc ); | |
105 | |
106 intptr_t* sp() const { return _sp; } | |
107 void set_sp( intptr_t* newsp ) { _sp = newsp; } | |
108 | |
109 | |
110 CodeBlob* cb() const { return _cb; } | |
111 | |
112 // patching operations | |
113 void patch_pc(Thread* thread, address pc); | |
114 | |
115 // Every frame needs to return a unique id which distinguishes it from all other frames. | |
116 // For sparc and ia32 use sp. ia64 can have memory frames that are empty so multiple frames | |
117 // will have identical sp values. For ia64 the bsp (fp) value will serve. No real frame | |
118 // should have an id() of NULL so it is a distinguishing value for an unmatchable frame. | |
119 // We also have relationals which allow comparing a frame to anoth frame's id() allow | |
120 // us to distinguish younger (more recent activation) from older (less recent activations) | |
121 // A NULL id is only valid when comparing for equality. | |
122 | |
123 intptr_t* id(void) const; | |
124 bool is_younger(intptr_t* id) const; | |
125 bool is_older(intptr_t* id) const; | |
126 | |
127 // testers | |
128 | |
129 // Compares for strict equality. Rarely used or needed. | |
130 // It can return a different result than f1.id() == f2.id() | |
131 bool equal(frame other) const; | |
132 | |
133 // type testers | |
134 bool is_interpreted_frame() const; | |
135 bool is_java_frame() const; | |
136 bool is_entry_frame() const; // Java frame called from C? | |
6266
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
4824
diff
changeset
|
137 bool is_ignored_frame() const; |
0 | 138 bool is_native_frame() const; |
139 bool is_runtime_frame() const; | |
140 bool is_compiled_frame() const; | |
141 bool is_safepoint_blob_frame() const; | |
142 bool is_deoptimized_frame() const; | |
143 | |
144 // testers | |
145 bool is_first_frame() const; // oldest frame? (has no sender) | |
146 bool is_first_java_frame() const; // same for Java frame | |
147 | |
107
93b6525e3b82
6603919: Stackwalking crash on x86 -server with Sun Studio's collect -j on
sgoldman
parents:
0
diff
changeset
|
148 bool is_interpreted_frame_valid(JavaThread* thread) const; // performs sanity checks on interpreted frames. |
0 | 149 |
150 // tells whether this frame is marked for deoptimization | |
151 bool should_be_deoptimized() const; | |
152 | |
153 // tells whether this frame can be deoptimized | |
154 bool can_be_deoptimized() const; | |
155 | |
156 // returns the frame size in stack slots | |
793
eacd97c88873
6848466: frame::frame_size() assertion failure with -XX:+DebugDeoptimization
cfang
parents:
196
diff
changeset
|
157 int frame_size(RegisterMap* map) const; |
0 | 158 |
159 // returns the sending frame | |
160 frame sender(RegisterMap* map) const; | |
161 | |
162 // for Profiling - acting on another frame. walks sender frames | |
163 // if valid. | |
164 frame profile_find_Java_sender_frame(JavaThread *thread); | |
165 bool safe_for_sender(JavaThread *thread); | |
166 | |
167 // returns the sender, but skips conversion frames | |
168 frame real_sender(RegisterMap* map) const; | |
169 | |
170 // returns the the sending Java frame, skipping any intermediate C frames | |
171 // NB: receiver must not be first frame | |
172 frame java_sender() const; | |
173 | |
174 private: | |
175 // Helper methods for better factored code in frame::sender | |
176 frame sender_for_compiled_frame(RegisterMap* map) const; | |
177 frame sender_for_entry_frame(RegisterMap* map) const; | |
178 frame sender_for_interpreter_frame(RegisterMap* map) const; | |
179 frame sender_for_native_frame(RegisterMap* map) const; | |
180 | |
181 // All frames: | |
182 | |
183 // A low-level interface for vframes: | |
184 | |
185 public: | |
186 | |
187 intptr_t* addr_at(int index) const { return &fp()[index]; } | |
188 intptr_t at(int index) const { return *addr_at(index); } | |
189 | |
190 // accessors for locals | |
191 oop obj_at(int offset) const { return *obj_at_addr(offset); } | |
192 void obj_at_put(int offset, oop value) { *obj_at_addr(offset) = value; } | |
193 | |
194 jint int_at(int offset) const { return *int_at_addr(offset); } | |
195 void int_at_put(int offset, jint value) { *int_at_addr(offset) = value; } | |
196 | |
197 oop* obj_at_addr(int offset) const { return (oop*) addr_at(offset); } | |
198 | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
199 oop* adjusted_obj_at_addr(Method* method, int index) { return obj_at_addr(adjust_offset(method, index)); } |
0 | 200 |
201 private: | |
202 jint* int_at_addr(int offset) const { return (jint*) addr_at(offset); } | |
203 | |
204 public: | |
205 // Link (i.e., the pointer to the previous frame) | |
206 intptr_t* link() const; | |
207 void set_link(intptr_t* addr); | |
208 | |
209 // Return address | |
210 address sender_pc() const; | |
211 | |
212 // Support for deoptimization | |
1727
da877bdc9000
6975006: assert(check.is_deoptimized_frame()) failed: missed deopt
never
parents:
1681
diff
changeset
|
213 void deoptimize(JavaThread* thread); |
0 | 214 |
215 // The frame's original SP, before any extension by an interpreted callee; | |
216 // used for packing debug info into vframeArray objects and vframeArray lookup. | |
217 intptr_t* unextended_sp() const; | |
218 | |
219 // returns the stack pointer of the calling frame | |
220 intptr_t* sender_sp() const; | |
221 | |
4806
eaa9557116a2
7120448: Fix FP values for compiled frames in frame::describe
bdelsart
parents:
4042
diff
changeset
|
222 // Returns the real 'frame pointer' for the current frame. |
eaa9557116a2
7120448: Fix FP values for compiled frames in frame::describe
bdelsart
parents:
4042
diff
changeset
|
223 // This is the value expected by the platform ABI when it defines a |
eaa9557116a2
7120448: Fix FP values for compiled frames in frame::describe
bdelsart
parents:
4042
diff
changeset
|
224 // frame pointer register. It may differ from the effective value of |
eaa9557116a2
7120448: Fix FP values for compiled frames in frame::describe
bdelsart
parents:
4042
diff
changeset
|
225 // the FP register when that register is used in the JVM for other |
eaa9557116a2
7120448: Fix FP values for compiled frames in frame::describe
bdelsart
parents:
4042
diff
changeset
|
226 // purposes (like compiled frames on some platforms). |
eaa9557116a2
7120448: Fix FP values for compiled frames in frame::describe
bdelsart
parents:
4042
diff
changeset
|
227 // On other platforms, it is defined so that the stack area used by |
eaa9557116a2
7120448: Fix FP values for compiled frames in frame::describe
bdelsart
parents:
4042
diff
changeset
|
228 // this frame goes from real_fp() to sp(). |
eaa9557116a2
7120448: Fix FP values for compiled frames in frame::describe
bdelsart
parents:
4042
diff
changeset
|
229 intptr_t* real_fp() const; |
eaa9557116a2
7120448: Fix FP values for compiled frames in frame::describe
bdelsart
parents:
4042
diff
changeset
|
230 |
3931
5432047c7db7
7087445: Improve platform independence of JSR292 shared code
bdelsart
parents:
3365
diff
changeset
|
231 // Deoptimization info, if needed (platform dependent). |
5432047c7db7
7087445: Improve platform independence of JSR292 shared code
bdelsart
parents:
3365
diff
changeset
|
232 // Stored in the initial_info field of the unroll info, to be used by |
5432047c7db7
7087445: Improve platform independence of JSR292 shared code
bdelsart
parents:
3365
diff
changeset
|
233 // the platform dependent deoptimization blobs. |
5432047c7db7
7087445: Improve platform independence of JSR292 shared code
bdelsart
parents:
3365
diff
changeset
|
234 intptr_t *initial_deoptimization_info(); |
0 | 235 |
236 // Interpreter frames: | |
237 | |
238 private: | |
239 intptr_t** interpreter_frame_locals_addr() const; | |
240 intptr_t* interpreter_frame_bcx_addr() const; | |
241 intptr_t* interpreter_frame_mdx_addr() const; | |
242 | |
243 public: | |
244 // Locals | |
245 | |
246 // The _at version returns a pointer because the address is used for GC. | |
247 intptr_t* interpreter_frame_local_at(int index) const; | |
248 | |
249 void interpreter_frame_set_locals(intptr_t* locs); | |
250 | |
251 // byte code index/pointer (use these functions for unchecked frame access only!) | |
252 intptr_t interpreter_frame_bcx() const { return *interpreter_frame_bcx_addr(); } | |
253 void interpreter_frame_set_bcx(intptr_t bcx); | |
254 | |
255 // byte code index | |
256 jint interpreter_frame_bci() const; | |
257 void interpreter_frame_set_bci(jint bci); | |
258 | |
259 // byte code pointer | |
260 address interpreter_frame_bcp() const; | |
261 void interpreter_frame_set_bcp(address bcp); | |
262 | |
263 // Unchecked access to the method data index/pointer. | |
264 // Only use this if you know what you are doing. | |
265 intptr_t interpreter_frame_mdx() const { return *interpreter_frame_mdx_addr(); } | |
266 void interpreter_frame_set_mdx(intptr_t mdx); | |
267 | |
268 // method data pointer | |
269 address interpreter_frame_mdp() const; | |
270 void interpreter_frame_set_mdp(address dp); | |
271 | |
272 // Find receiver out of caller's (compiled) argument list | |
273 oop retrieve_receiver(RegisterMap *reg_map); | |
274 | |
275 // Return the monitor owner and BasicLock for compiled synchronized | |
276 // native methods so that biased locking can revoke the receiver's | |
2019 | 277 // bias if necessary. This is also used by JVMTI's GetLocalInstance method |
278 // (via VM_GetReceiver) to retrieve the receiver from a native wrapper frame. | |
279 BasicLock* get_native_monitor(); | |
280 oop get_native_receiver(); | |
0 | 281 |
282 // Find receiver for an invoke when arguments are just pushed on stack (i.e., callee stack-frame is | |
283 // not setup) | |
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
2019
diff
changeset
|
284 oop interpreter_callee_receiver(Symbol* signature) { return *interpreter_callee_receiver_addr(signature); } |
0 | 285 |
286 | |
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
2019
diff
changeset
|
287 oop* interpreter_callee_receiver_addr(Symbol* signature); |
0 | 288 |
289 | |
290 // expression stack (may go up or down, direction == 1 or -1) | |
291 public: | |
292 intptr_t* interpreter_frame_expression_stack() const; | |
293 static jint interpreter_frame_expression_stack_direction(); | |
294 | |
295 // The _at version returns a pointer because the address is used for GC. | |
296 intptr_t* interpreter_frame_expression_stack_at(jint offset) const; | |
297 | |
298 // top of expression stack | |
299 intptr_t* interpreter_frame_tos_at(jint offset) const; | |
300 intptr_t* interpreter_frame_tos_address() const; | |
301 | |
302 | |
303 jint interpreter_frame_expression_stack_size() const; | |
304 | |
305 intptr_t* interpreter_frame_sender_sp() const; | |
306 | |
307 #ifndef CC_INTERP | |
308 // template based interpreter deoptimization support | |
309 void set_interpreter_frame_sender_sp(intptr_t* sender_sp); | |
310 void interpreter_frame_set_monitor_end(BasicObjectLock* value); | |
311 #endif // CC_INTERP | |
312 | |
313 // BasicObjectLocks: | |
314 // | |
315 // interpreter_frame_monitor_begin is higher in memory than interpreter_frame_monitor_end | |
316 // Interpreter_frame_monitor_begin points to one element beyond the oldest one, | |
317 // interpreter_frame_monitor_end points to the youngest one, or if there are none, | |
318 // it points to one beyond where the first element will be. | |
319 // interpreter_frame_monitor_size reports the allocation size of a monitor in the interpreter stack. | |
320 // this value is >= BasicObjectLock::size(), and may be rounded up | |
321 | |
322 BasicObjectLock* interpreter_frame_monitor_begin() const; | |
323 BasicObjectLock* interpreter_frame_monitor_end() const; | |
324 BasicObjectLock* next_monitor_in_interpreter_frame(BasicObjectLock* current) const; | |
325 BasicObjectLock* previous_monitor_in_interpreter_frame(BasicObjectLock* current) const; | |
326 static int interpreter_frame_monitor_size(); | |
327 | |
328 void interpreter_frame_verify_monitor(BasicObjectLock* value) const; | |
329 | |
330 // Tells whether the current interpreter_frame frame pointer | |
331 // corresponds to the old compiled/deoptimized fp | |
332 // The receiver used to be a top level frame | |
333 bool interpreter_frame_equals_unpacked_fp(intptr_t* fp); | |
334 | |
335 // Return/result value from this interpreter frame | |
336 // If the method return type is T_OBJECT or T_ARRAY populates oop_result | |
337 // For other (non-T_VOID) the appropriate field in the jvalue is populated | |
338 // with the result value. | |
339 // Should only be called when at method exit when the method is not | |
340 // exiting due to an exception. | |
341 BasicType interpreter_frame_result(oop* oop_result, jvalue* value_result); | |
342 | |
343 public: | |
344 // Method & constant pool cache | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
345 Method* interpreter_frame_method() const; |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
346 void interpreter_frame_set_method(Method* method); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
347 Method** interpreter_frame_method_addr() const; |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
348 ConstantPoolCache** interpreter_frame_cache_addr() const; |
1681
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1552
diff
changeset
|
349 #ifdef PPC |
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1552
diff
changeset
|
350 oop* interpreter_frame_mirror_addr() const; |
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1552
diff
changeset
|
351 #endif |
0 | 352 |
353 public: | |
354 // Entry frames | |
355 JavaCallWrapper* entry_frame_call_wrapper() const; | |
356 intptr_t* entry_frame_argument_at(int offset) const; | |
357 | |
358 // tells whether there is another chunk of Delta stack above | |
359 bool entry_frame_is_first() const; | |
360 | |
361 // Compiled frames: | |
362 | |
363 public: | |
364 // Given the index of a local, and the number of argument words | |
365 // in this stack frame, tell which word of the stack frame to find | |
366 // the local in. Arguments are stored above the ofp/rpc pair, | |
367 // while other locals are stored below it. | |
368 // Since monitors (BasicLock blocks) are also assigned indexes, | |
369 // but may have different storage requirements, their presence | |
370 // can also affect the calculation of offsets. | |
371 static int local_offset_for_compiler(int local_index, int nof_args, int max_nof_locals, int max_nof_monitors); | |
372 | |
373 // Given the index of a monitor, etc., tell which word of the | |
374 // stack frame contains the start of the BasicLock block. | |
375 // Note that the local index by convention is the __higher__ | |
376 // of the two indexes allocated to the block. | |
377 static int monitor_offset_for_compiler(int local_index, int nof_args, int max_nof_locals, int max_nof_monitors); | |
378 | |
379 // Tell the smallest value that local_offset_for_compiler will attain. | |
380 // This is used to help determine how much stack frame to allocate. | |
381 static int min_local_offset_for_compiler(int nof_args, int max_nof_locals, int max_nof_monitors); | |
382 | |
383 // Tells if this register must be spilled during a call. | |
384 // On Intel, all registers are smashed by calls. | |
385 static bool volatile_across_calls(Register reg); | |
386 | |
387 | |
388 // Safepoints | |
389 | |
390 public: | |
391 oop saved_oop_result(RegisterMap* map) const; | |
392 void set_saved_oop_result(RegisterMap* map, oop obj); | |
393 | |
394 // For debugging | |
395 private: | |
396 const char* print_name() const; | |
397 | |
3336
2e038ad0c1d0
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
2426
diff
changeset
|
398 void describe_pd(FrameValues& values, int frame_no); |
2e038ad0c1d0
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
2426
diff
changeset
|
399 |
0 | 400 public: |
401 void print_value() const { print_value_on(tty,NULL); } | |
402 void print_value_on(outputStream* st, JavaThread *thread) const; | |
403 void print_on(outputStream* st) const; | |
404 void interpreter_frame_print_on(outputStream* st) const; | |
405 void print_on_error(outputStream* st, char* buf, int buflen, bool verbose = false) const; | |
406 | |
3336
2e038ad0c1d0
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
2426
diff
changeset
|
407 // Add annotated descriptions of memory locations belonging to this frame to values |
2e038ad0c1d0
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
2426
diff
changeset
|
408 void describe(FrameValues& values, int frame_no); |
2e038ad0c1d0
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
2426
diff
changeset
|
409 |
0 | 410 // Conversion from an VMReg to physical stack location |
411 oop* oopmapreg_to_location(VMReg reg, const RegisterMap* regmap) const; | |
412 | |
413 // Oops-do's | |
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
2019
diff
changeset
|
414 void oops_compiled_arguments_do(Symbol* signature, bool has_receiver, const RegisterMap* reg_map, OopClosure* f); |
7179
d0aa87f04bd5
8003720: NPG: Method in interpreter stack frame can be deallocated
stefank
parents:
6725
diff
changeset
|
415 void oops_interpreted_do(OopClosure* f, CLDToOopClosure* cld_f, const RegisterMap* map, bool query_oop_map_cache = true); |
0 | 416 |
417 private: | |
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
2019
diff
changeset
|
418 void oops_interpreted_arguments_do(Symbol* signature, bool has_receiver, OopClosure* f); |
0 | 419 |
420 // Iteration of oops | |
7179
d0aa87f04bd5
8003720: NPG: Method in interpreter stack frame can be deallocated
stefank
parents:
6725
diff
changeset
|
421 void oops_do_internal(OopClosure* f, CLDToOopClosure* cld_f, CodeBlobClosure* cf, RegisterMap* map, bool use_interpreter_oop_map_cache); |
0 | 422 void oops_entry_do(OopClosure* f, const RegisterMap* map); |
989
148e5441d916
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
844
diff
changeset
|
423 void oops_code_blob_do(OopClosure* f, CodeBlobClosure* cf, const RegisterMap* map); |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
424 int adjust_offset(Method* method, int index); // helper for above fn |
0 | 425 public: |
426 // Memory management | |
7179
d0aa87f04bd5
8003720: NPG: Method in interpreter stack frame can be deallocated
stefank
parents:
6725
diff
changeset
|
427 void oops_do(OopClosure* f, CLDToOopClosure* cld_f, CodeBlobClosure* cf, RegisterMap* map) { oops_do_internal(f, cld_f, cf, map, true); } |
989
148e5441d916
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
844
diff
changeset
|
428 void nmethods_do(CodeBlobClosure* cf); |
0 | 429 |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
430 // RedefineClasses support for finding live interpreted methods on the stack |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
431 void metadata_do(void f(Metadata*)); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
432 |
0 | 433 void gc_prologue(); |
434 void gc_epilogue(); | |
435 void pd_gc_epilog(); | |
436 | |
437 # ifdef ENABLE_ZAP_DEAD_LOCALS | |
438 private: | |
439 class CheckValueClosure: public OopClosure { | |
113
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
107
diff
changeset
|
440 public: |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
107
diff
changeset
|
441 void do_oop(oop* p); |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
107
diff
changeset
|
442 void do_oop(narrowOop* p) { ShouldNotReachHere(); } |
0 | 443 }; |
444 static CheckValueClosure _check_value; | |
445 | |
446 class CheckOopClosure: public OopClosure { | |
113
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
107
diff
changeset
|
447 public: |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
107
diff
changeset
|
448 void do_oop(oop* p); |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
107
diff
changeset
|
449 void do_oop(narrowOop* p) { ShouldNotReachHere(); } |
0 | 450 }; |
451 static CheckOopClosure _check_oop; | |
452 | |
453 static void check_derived_oop(oop* base, oop* derived); | |
454 | |
455 class ZapDeadClosure: public OopClosure { | |
113
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
107
diff
changeset
|
456 public: |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
107
diff
changeset
|
457 void do_oop(oop* p); |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
107
diff
changeset
|
458 void do_oop(narrowOop* p) { ShouldNotReachHere(); } |
0 | 459 }; |
460 static ZapDeadClosure _zap_dead; | |
461 | |
462 public: | |
463 // Zapping | |
464 void zap_dead_locals (JavaThread* thread, const RegisterMap* map); | |
465 void zap_dead_interpreted_locals(JavaThread* thread, const RegisterMap* map); | |
466 void zap_dead_compiled_locals (JavaThread* thread, const RegisterMap* map); | |
467 void zap_dead_entry_locals (JavaThread* thread, const RegisterMap* map); | |
468 void zap_dead_deoptimized_locals(JavaThread* thread, const RegisterMap* map); | |
469 # endif | |
470 // Verification | |
471 void verify(const RegisterMap* map); | |
472 static bool verify_return_pc(address x); | |
473 static bool is_bci(intptr_t bcx); | |
474 // Usage: | |
475 // assert(frame::verify_return_pc(return_address), "must be a return pc"); | |
476 | |
477 int pd_oop_map_offset_adjustment() const; | |
478 | |
1972 | 479 #ifdef TARGET_ARCH_x86 |
480 # include "frame_x86.hpp" | |
481 #endif | |
482 #ifdef TARGET_ARCH_sparc | |
483 # include "frame_sparc.hpp" | |
484 #endif | |
485 #ifdef TARGET_ARCH_zero | |
486 # include "frame_zero.hpp" | |
487 #endif | |
2192
b92c45f2bc75
7016023: Enable building ARM and PPC from src/closed repository
bobv
parents:
2177
diff
changeset
|
488 #ifdef TARGET_ARCH_arm |
b92c45f2bc75
7016023: Enable building ARM and PPC from src/closed repository
bobv
parents:
2177
diff
changeset
|
489 # include "frame_arm.hpp" |
b92c45f2bc75
7016023: Enable building ARM and PPC from src/closed repository
bobv
parents:
2177
diff
changeset
|
490 #endif |
b92c45f2bc75
7016023: Enable building ARM and PPC from src/closed repository
bobv
parents:
2177
diff
changeset
|
491 #ifdef TARGET_ARCH_ppc |
b92c45f2bc75
7016023: Enable building ARM and PPC from src/closed repository
bobv
parents:
2177
diff
changeset
|
492 # include "frame_ppc.hpp" |
b92c45f2bc75
7016023: Enable building ARM and PPC from src/closed repository
bobv
parents:
2177
diff
changeset
|
493 #endif |
1972 | 494 |
0 | 495 }; |
496 | |
4824
5dbed2f542ff
7120468: SPARC/x86: use frame::describe to enhance trace_method_handle
bdelsart
parents:
4806
diff
changeset
|
497 #ifndef PRODUCT |
3336
2e038ad0c1d0
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
2426
diff
changeset
|
498 // A simple class to describe a location on the stack |
2e038ad0c1d0
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
2426
diff
changeset
|
499 class FrameValue VALUE_OBJ_CLASS_SPEC { |
2e038ad0c1d0
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
2426
diff
changeset
|
500 public: |
2e038ad0c1d0
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
2426
diff
changeset
|
501 intptr_t* location; |
2e038ad0c1d0
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
2426
diff
changeset
|
502 char* description; |
2e038ad0c1d0
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
2426
diff
changeset
|
503 int owner; |
2e038ad0c1d0
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
2426
diff
changeset
|
504 int priority; |
2e038ad0c1d0
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
2426
diff
changeset
|
505 }; |
2e038ad0c1d0
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
2426
diff
changeset
|
506 |
2e038ad0c1d0
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
2426
diff
changeset
|
507 |
2e038ad0c1d0
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
2426
diff
changeset
|
508 // A collection of described stack values that can print a symbolic |
2e038ad0c1d0
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
2426
diff
changeset
|
509 // description of the stack memory. Interpreter frame values can be |
2e038ad0c1d0
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
2426
diff
changeset
|
510 // in the caller frames so all the values are collected first and then |
2e038ad0c1d0
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
2426
diff
changeset
|
511 // sorted before being printed. |
2e038ad0c1d0
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
2426
diff
changeset
|
512 class FrameValues { |
2e038ad0c1d0
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
2426
diff
changeset
|
513 private: |
2e038ad0c1d0
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
2426
diff
changeset
|
514 GrowableArray<FrameValue> _values; |
2e038ad0c1d0
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
2426
diff
changeset
|
515 |
2e038ad0c1d0
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
2426
diff
changeset
|
516 static int compare(FrameValue* a, FrameValue* b) { |
2e038ad0c1d0
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
2426
diff
changeset
|
517 if (a->location == b->location) { |
2e038ad0c1d0
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
2426
diff
changeset
|
518 return a->priority - b->priority; |
2e038ad0c1d0
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
2426
diff
changeset
|
519 } |
2e038ad0c1d0
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
2426
diff
changeset
|
520 return a->location - b->location; |
2e038ad0c1d0
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
2426
diff
changeset
|
521 } |
2e038ad0c1d0
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
2426
diff
changeset
|
522 |
2e038ad0c1d0
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
2426
diff
changeset
|
523 public: |
2e038ad0c1d0
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
2426
diff
changeset
|
524 // Used by frame functions to describe locations. |
2e038ad0c1d0
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
2426
diff
changeset
|
525 void describe(int owner, intptr_t* location, const char* description, int priority = 0); |
2e038ad0c1d0
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
2426
diff
changeset
|
526 |
4824
5dbed2f542ff
7120468: SPARC/x86: use frame::describe to enhance trace_method_handle
bdelsart
parents:
4806
diff
changeset
|
527 #ifdef ASSERT |
3365
3cfb240033d1
7043301: assert(locals < caller->fp() || locals > (caller->fp() + 16)) failed: locals in save area
never
parents:
3363
diff
changeset
|
528 void validate(); |
4824
5dbed2f542ff
7120468: SPARC/x86: use frame::describe to enhance trace_method_handle
bdelsart
parents:
4806
diff
changeset
|
529 #endif |
4042
b20d64f83668
7090904: JSR 292: JRuby junit test crashes in PSScavengeRootsClosure::do_oop
twisti
parents:
3931
diff
changeset
|
530 void print(JavaThread* thread); |
3336
2e038ad0c1d0
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
2426
diff
changeset
|
531 }; |
2e038ad0c1d0
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
2426
diff
changeset
|
532 |
2e038ad0c1d0
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
2426
diff
changeset
|
533 #endif |
0 | 534 |
535 // | |
536 // StackFrameStream iterates through the frames of a thread starting from | |
537 // top most frame. It automatically takes care of updating the location of | |
538 // all (callee-saved) registers. Notice: If a thread is stopped at | |
539 // a safepoint, all registers are saved, not only the callee-saved ones. | |
540 // | |
541 // Use: | |
542 // | |
543 // for(StackFrameStream fst(thread); !fst.is_done(); fst.next()) { | |
544 // ... | |
545 // } | |
546 // | |
547 class StackFrameStream : public StackObj { | |
548 private: | |
549 frame _fr; | |
550 RegisterMap _reg_map; | |
551 bool _is_done; | |
552 public: | |
553 StackFrameStream(JavaThread *thread, bool update = true); | |
554 | |
555 // Iteration | |
556 bool is_done() { return (_is_done) ? true : (_is_done = _fr.is_first_frame(), false); } | |
557 void next() { if (!_is_done) _fr = _fr.sender(&_reg_map); } | |
558 | |
559 // Query | |
560 frame *current() { return &_fr; } | |
561 RegisterMap* register_map() { return &_reg_map; } | |
562 }; | |
1972 | 563 |
564 #endif // SHARE_VM_RUNTIME_FRAME_HPP |