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comparison src/share/vm/c1x/c1x_CodeInstaller.cpp @ 1428:695451afc619

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refactoring classes into separate files
author Lukas Stadler <lukas.stadler@oracle.com>
date Thu, 19 Aug 2010 14:34:52 -0700
parents
children abc670a709dc
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1427:149b1d2316de 1428:695451afc619
1 /*
2 * Copyright 2000-2010 Sun Microsystems, Inc. All Rights Reserved.
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 *
19 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
20 * CA 95054 USA or visit www.sun.com if you need additional information or
21 * have any questions.
22 *
23 */
24
25
26 # include "incls/_precompiled.incl"
27 # include "incls/_c1x_CodeInstaller.cpp.incl"
28
29
30 #define C1X_REGISTER_COUNT 32
31
32 VMReg get_hotspot_reg(jint c1x_reg) {
33 Register cpu_registers[] = { rax, rcx, rdx, rbx, rsp, rbp, rsi, rdi, r8, r9, r10, r11, r12, r13, r14, r15 };
34 XMMRegister xmm_registers[] = { xmm0, xmm1, xmm2, xmm3, xmm4, xmm5, xmm6, xmm7, xmm8, xmm9, xmm10, xmm11, xmm12, xmm13, xmm14, xmm15 };
35
36 if (c1x_reg < 16) {
37 return cpu_registers[c1x_reg]->as_VMReg();
38 } else {
39 assert(c1x_reg < C1X_REGISTER_COUNT, "invalid register number");
40 return xmm_registers[c1x_reg - 16]->as_VMReg();
41 }
42
43 }
44
45 static OopMap* create_oop_map(jint frame_size, jint parameter_count, oop debug_info) {
46 OopMap* map = new OopMap(frame_size, parameter_count);
47 arrayOop register_map = (arrayOop)CiDebugInfo::registerRefMap(debug_info);
48 arrayOop frame_map = (arrayOop)CiDebugInfo::frameRefMap(debug_info);
49
50 for (jint i=0; i<C1X_REGISTER_COUNT; i++) {
51 unsigned char byte = ((unsigned char*)register_map->base(T_BYTE))[i / 8];
52 bool is_oop = (byte & (1 << (i % 8))) != 0;
53 VMReg reg = get_hotspot_reg(i);
54 if (is_oop) {
55 map->set_oop(reg);
56 } else {
57 map->set_value(reg);
58 }
59 }
60
61 for (jint i=0; i<frame_size; i++) {
62 unsigned char byte = ((unsigned char*)frame_map->base(T_BYTE))[i / 8];
63 bool is_oop = (byte & (1 << (i % 8))) != 0;
64 VMReg reg = VMRegImpl::stack2reg(i);
65 if (is_oop) {
66 map->set_oop(reg);
67 } else {
68 map->set_value(reg);
69 }
70 }
71
72 // TODO parameters?
73 return map;
74 }
75
76 static ScopeValue* get_hotspot_value(oop value) {
77 fatal("not implemented");
78 if (value->is_a(CiRegisterValue::klass())) {
79 tty->print("register value");
80 value->print();
81 } else if (value->is_a(CiStackSlot::klass())) {
82 tty->print("stack value");
83 value->print();
84 } else {
85 ShouldNotReachHere();
86 }
87 }
88
89
90 // constructor used to create a method
91 CodeInstaller::CodeInstaller(oop target_method) {
92 VM_ENTRY_MARK;
93 _env = CURRENT_ENV;
94
95 initialize_fields(target_method);
96 assert(_hotspot_method != NULL && _name == NULL, "installMethod needs NON-NULL method and NULL name");
97
98
99 // TODO: This is a hack.. Produce correct entries.
100 _offsets.set_value(CodeOffsets::Exceptions, 0);
101 _offsets.set_value(CodeOffsets::Deopt, 0);
102
103 methodOop method = VmIds::get<methodOop>(HotSpotMethod::vmId(_hotspot_method));
104 ciMethod *ciMethodObject = (ciMethod *)_env->get_object(method);
105 _parameter_count = method->size_of_parameters();
106
107 // (very) conservative estimate: each site needs a relocation
108 CodeBuffer buffer("temp c1x method", _total_size, _sites->length() * relocInfo::length_limit);
109 initialize_buffer(buffer);
110 ExceptionHandlerTable handler_table;
111 ImplicitExceptionTable inc_table;
112 {
113 ThreadToNativeFromVM t((JavaThread*)THREAD);
114 _env->register_method(ciMethodObject, -1, &_offsets, 0, &buffer, _frame_size, _debug_recorder->_oopmaps, &handler_table, &inc_table, NULL, _env->comp_level(), false, false);
115 }
116 }
117
118 // constructor used to create a stub
119 CodeInstaller::CodeInstaller(oop target_method, jlong& id) {
120 VM_ENTRY_MARK;
121 _env = CURRENT_ENV;
122
123 initialize_fields(target_method);
124 assert(_hotspot_method == NULL && _name != NULL, "installMethod needs NON-NULL name and NULL method");
125
126 // (very) conservative estimate: each site needs a relocation
127 CodeBuffer buffer("temp c1x stub", _total_size, _sites->length() * relocInfo::length_limit);
128 initialize_buffer(buffer);
129
130 const char* cname = java_lang_String::as_utf8_string(_name);
131 BufferBlob* blob = BufferBlob::create(strdup(cname), &buffer); // this is leaking strings... but only a limited number of stubs will be created
132 Disassembler::decode((CodeBlob*)blob);
133 id = VmIds::addStub(blob->instructions_begin());
134 }
135
136 void CodeInstaller::initialize_fields(oop target_method) {
137 _citarget_method = HotSpotTargetMethod::targetMethod(target_method);
138 _hotspot_method = HotSpotTargetMethod::method(target_method);
139 _name = HotSpotTargetMethod::name(target_method);
140 _sites = (arrayOop)HotSpotTargetMethod::sites(target_method);
141
142 _code = (arrayOop)CiTargetMethod::targetCode(_citarget_method);
143 _code_size = CiTargetMethod::targetCodeSize(_citarget_method);
144 _frame_size = CiTargetMethod::frameSize(_citarget_method);
145
146 // (very) conservative estimate: each site needs a constant section entry
147 _constants_size = _sites->length() * BytesPerLong;
148 _total_size = align_size_up(_code_size, HeapWordSize) + _constants_size;
149
150 _next_call_type = MARK_INVOKE_INVALID;
151 }
152
153 void CodeInstaller::site_Safepoint(CodeBuffer& buffer, jint pc_offset, oop site) {
154
155 }
156
157 void CodeInstaller::record_frame(jint pc_offset, oop code_pos, oop frame) {
158 oop caller_pos = CiCodePos::caller(code_pos);
159 if (caller_pos != NULL) {
160 oop caller_frame = CiDebugInfo_Frame::caller(frame);
161 record_frame(pc_offset, caller_pos, caller_frame);
162 } else {
163 assert(frame == NULL || CiDebugInfo_Frame::caller(frame) == NULL, "unexpected layout - different nesting of Frame and CiCodePos");
164 }
165
166 assert(frame == NULL || code_pos == CiDebugInfo_Frame::codePos(frame), "unexpected CiCodePos layout");
167
168 oop hotspot_method = CiCodePos::method(code_pos);
169 methodOop method = VmIds::get<methodOop>(HotSpotMethod::vmId(hotspot_method));
170 ciMethod *cimethod = (ciMethod *)_env->get_object(method);
171 jint bci = CiCodePos::bci(code_pos);
172
173 if (frame != NULL) {
174 jint local_count = CiDebugInfo_Frame::numLocals(frame);
175 jint expression_count = CiDebugInfo_Frame::numStack(frame);
176 jint monitor_count = CiDebugInfo_Frame::numLocks(frame);
177 arrayOop values = (arrayOop)CiDebugInfo_Frame::values(frame);
178
179 assert(local_count + expression_count + monitor_count == values->length(), "unexpected values length");
180 assert(monitor_count == 0, "monitors not supported");
181
182 GrowableArray<ScopeValue*>* locals = new GrowableArray<ScopeValue*>();
183 GrowableArray<ScopeValue*>* expressions = new GrowableArray<ScopeValue*>();
184 GrowableArray<MonitorValue*>* monitors = new GrowableArray<MonitorValue*>();
185
186 for (jint i=0; i<values->length(); i++) {
187 ScopeValue* value = get_hotspot_value(((oop*)values->base(T_OBJECT))[i]);
188
189 if (i < local_count) {
190 locals->append(value);
191 } else if (i < local_count + expression_count) {
192 expressions->append(value);
193 } else {
194 ShouldNotReachHere();
195 // monitors->append(value);
196 }
197 }
198 DebugToken* locals_token = _debug_recorder->create_scope_values(locals);
199 DebugToken* expressions_token = _debug_recorder->create_scope_values(expressions);
200 DebugToken* monitors_token = _debug_recorder->create_monitor_values(monitors);
201
202 _debug_recorder->describe_scope(pc_offset, cimethod, bci, false, false, false, locals_token, expressions_token, monitors_token);
203 } else {
204 _debug_recorder->describe_scope(pc_offset, cimethod, bci, false, false, false, NULL, NULL, NULL);
205 }
206 }
207
208 void CodeInstaller::site_Call(CodeBuffer& buffer, jint pc_offset, oop site) {
209 oop runtime_call = CiTargetMethod_Call::runtimeCall(site);
210 oop hotspot_method = CiTargetMethod_Call::method(site);
211 oop symbol = CiTargetMethod_Call::symbol(site);
212 oop global_stub = CiTargetMethod_Call::globalStubID(site);
213
214 oop debug_info = CiTargetMethod_Call::debugInfo(site);
215 arrayOop stack_map = (arrayOop)CiTargetMethod_Call::stackMap(site);
216 arrayOop register_map = (arrayOop)CiTargetMethod_Call::registerMap(site);
217
218 assert((runtime_call ? 1 : 0) + (hotspot_method ? 1 : 0) + (symbol ? 1 : 0) + (global_stub ? 1 : 0) == 1, "Call site needs exactly one type");
219
220 address instruction = _instructions->start() + pc_offset;
221 address operand = Assembler::locate_operand(instruction, Assembler::call32_operand);
222 address next_instruction = Assembler::locate_next_instruction(instruction);
223
224 if (runtime_call != NULL) {
225 if (runtime_call == CiRuntimeCall::Debug()) {
226 tty->print_cr("CiRuntimeCall::Debug()");
227 } else {
228 runtime_call->print();
229 }
230 tty->print_cr("runtime_call");
231 } else if (global_stub != NULL) {
232 assert(java_lang_boxing_object::is_instance(global_stub, T_LONG), "global_stub needs to be of type Long");
233
234 jlong stub_id = global_stub->long_field(java_lang_boxing_object::value_offset_in_bytes(T_LONG));
235 address dest = VmIds::getStub(stub_id);
236 long disp = dest - next_instruction;
237 assert(disp == (jint) disp, "disp doesn't fit in 32 bits");
238 *((jint*)operand) = (jint)disp;
239
240 _instructions->relocate(instruction, runtime_call_Relocation::spec(), Assembler::call32_operand);
241 tty->print_cr("relocating (stub) %016x/%016x", instruction, operand);
242 } else if (symbol != NULL) {
243 tty->print_cr("symbol");
244 } else { // method != NULL
245 assert(hotspot_method->is_a(SystemDictionary::HotSpotMethod_klass()), "unexpected RiMethod subclass");
246 methodOop method = VmIds::get<methodOop>(HotSpotMethod::vmId(hotspot_method));
247
248 jint next_pc_offset = next_instruction - _instructions->start();
249
250 assert(debug_info != NULL, "debug info expected");
251 _debug_recorder->add_safepoint(next_pc_offset, create_oop_map(_frame_size, _parameter_count, debug_info));
252 oop code_pos = CiDebugInfo::codePos(debug_info);
253 oop frame = CiDebugInfo::frame(debug_info);
254 record_frame(next_pc_offset, code_pos, frame);
255
256 switch(_next_call_type) {
257 case MARK_INVOKEVIRTUAL:
258 case MARK_INVOKEINTERFACE: {
259 assert(!method->is_static(), "cannot call static method with invokeinterface");
260
261 address dest = SharedRuntime::get_resolve_virtual_call_stub();
262 long disp = dest - next_instruction;
263 assert(disp == (jint) disp, "disp doesn't fit in 32 bits");
264 *((jint*)operand) = (jint)disp;
265
266 _instructions->relocate(instruction, virtual_call_Relocation::spec(_invoke_mark_pc), Assembler::call32_operand);
267 break;
268 }
269 case MARK_INVOKESTATIC: {
270 assert(method->is_static(), "cannot call non-static method with invokestatic");
271
272 address dest = SharedRuntime::get_resolve_static_call_stub();
273 long disp = dest - next_instruction;
274 assert(disp == (jint) disp, "disp doesn't fit in 32 bits");
275 *((jint*)operand) = (jint)disp;
276
277 _instructions->relocate(instruction, relocInfo::static_call_type, Assembler::call32_operand);
278 break;
279 }
280 case MARK_INVOKESPECIAL: {
281 assert(!method->is_static(), "cannot call static method with invokespecial");
282
283 address dest = SharedRuntime::get_resolve_opt_virtual_call_stub();
284 long disp = dest - next_instruction;
285 assert(disp == (jint) disp, "disp doesn't fit in 32 bits");
286 *((jint*)operand) = (jint)disp;
287
288 _instructions->relocate(instruction, relocInfo::opt_virtual_call_type, Assembler::call32_operand);
289 break;
290 }
291 case MARK_INVOKE_INVALID:
292 default:
293 ShouldNotReachHere();
294 break;
295 }
296 _next_call_type = MARK_INVOKE_INVALID;
297 _debug_recorder->end_safepoint(pc_offset);
298 }
299 }
300
301 void CodeInstaller::site_DataPatch(CodeBuffer& buffer, jint pc_offset, oop site) {
302 oop constant = CiTargetMethod_DataPatch::constant(site);
303 oop kind = CiConstant::kind(constant);
304
305 address instruction = _instructions->start() + pc_offset;
306
307 switch(CiKind::typeChar(kind)) {
308 case 'z':
309 case 'b':
310 case 's':
311 case 'c':
312 case 'i':
313 fatal("int-sized values not expected in DataPatch");
314 break;
315 case 'f':
316 case 'l':
317 case 'd': {
318 address operand = Assembler::locate_operand(instruction, Assembler::disp32_operand);
319 address next_instruction = Assembler::locate_next_instruction(instruction);
320 // we don't care if this is a long/double/etc., the primitive field contains the right bits
321 address dest = _constants->end();
322 *(jlong*)dest = CiConstant::primitive(constant);
323 _constants->set_end(dest + BytesPerLong);
324
325 long disp = dest - next_instruction;
326 assert(disp == (jint) disp, "disp doesn't fit in 32 bits");
327 *((jint*)operand) = (jint)disp;
328
329 _instructions->relocate(instruction, section_word_Relocation::spec((address)dest, CodeBuffer::SECT_CONSTS), Assembler::disp32_operand);
330 tty->print_cr("relocating (Float/Long/Double) at %016x/%016x", instruction, operand);
331 break;
332 }
333 case 'a': {
334 address operand = Assembler::locate_operand(instruction, Assembler::imm_operand);
335 oop obj = CiConstant::object(constant);
336
337 if (obj->is_a(HotSpotTypeResolved::klass())) {
338 *((jobject*)operand) = JNIHandles::make_local(VmIds::get<klassOop>(HotSpotTypeResolved::vmId(obj)));
339 _instructions->relocate(instruction, oop_Relocation::spec_for_immediate(), Assembler::imm_operand);
340 tty->print_cr("relocating (HotSpotType) at %016x/%016x", instruction, operand);
341 } else {
342 assert(java_lang_boxing_object::is_instance(obj, T_LONG), "unexpected DataPatch object type");
343 jlong id = obj->long_field(java_lang_boxing_object::value_offset_in_bytes(T_LONG));
344
345 assert((id & VmIds::TYPE_MASK) == VmIds::CONSTANT, "unexpected DataPatch type");
346
347 address operand = Assembler::locate_operand(instruction, Assembler::imm_operand);
348
349 if (id == VmIds::DUMMY_CONSTANT) {
350 *((jobject*)operand) = (jobject)Universe::non_oop_word();
351 } else {
352 *((jobject*)operand) = JNIHandles::make_local(VmIds::get<oop>(id));
353 }
354 _instructions->relocate(instruction, oop_Relocation::spec_for_immediate(), Assembler::imm_operand);
355 tty->print_cr("relocating (oop constant) at %016x/%016x", instruction, operand);
356 }
357 break;
358 }
359 default:
360 fatal("unexpected CiKind in DataPatch");
361 break;
362 }
363 }
364
365 void CodeInstaller::site_ExceptionHandler(CodeBuffer& buffer, jint pc_offset, oop site) {
366
367 }
368
369 void CodeInstaller::site_Mark(CodeBuffer& buffer, jint pc_offset, oop site) {
370 oop id_obj = CiTargetMethod_Mark::id(site);
371 arrayOop references = (arrayOop)CiTargetMethod_Mark::references(site);
372
373 if (id_obj != NULL) {
374 assert(java_lang_boxing_object::is_instance(id_obj, T_INT), "Integer id expected");
375 jint id = id_obj->int_field(java_lang_boxing_object::value_offset_in_bytes(T_INT));
376
377 address instruction = _instructions->start() + pc_offset;
378
379 switch (id) {
380 case MARK_UNVERIFIED_ENTRY:
381 _offsets.set_value(CodeOffsets::Entry, pc_offset);
382 break;
383 case MARK_VERIFIED_ENTRY:
384 _offsets.set_value(CodeOffsets::Verified_Entry, pc_offset);
385 break;
386 case MARK_OSR_ENTRY:
387 _offsets.set_value(CodeOffsets::OSR_Entry, pc_offset);
388 break;
389 case MARK_STATIC_CALL_STUB: {
390 assert(references->length() == 1, "static call stub needs one reference");
391 oop ref = ((oop*)references->base(T_OBJECT))[0];
392 address call_pc = _instructions->start() + CiTargetMethod_Site::pcOffset(ref);
393 _instructions->relocate(instruction, static_stub_Relocation::spec(call_pc));
394 break;
395 }
396 case MARK_INVOKE_INVALID:
397 case MARK_INVOKEINTERFACE:
398 case MARK_INVOKESTATIC:
399 case MARK_INVOKESPECIAL:
400 case MARK_INVOKEVIRTUAL:
401 _next_call_type = (MarkId)id;
402 _invoke_mark_pc = instruction;
403 break;
404 case MARK_IMPLICIT_NULL_EXCEPTION_TARGET:
405 break;
406 default:
407 ShouldNotReachHere();
408 break;
409 }
410 }
411 }
412
413 // perform data and call relocation on the CodeBuffer
414 void CodeInstaller::initialize_buffer(CodeBuffer& buffer) {
415 _oop_recorder = new OopRecorder(_env->arena());
416 _env->set_oop_recorder(_oop_recorder);
417 _debug_recorder = new DebugInformationRecorder(_env->oop_recorder());
418 _debug_recorder->set_oopmaps(new OopMapSet());
419 _dependencies = new Dependencies(_env);
420
421 _env->set_oop_recorder(_oop_recorder);
422 _env->set_debug_info(_debug_recorder);
423 _env->set_dependencies(_dependencies);
424 buffer.initialize_oop_recorder(_oop_recorder);
425
426 buffer.initialize_consts_size(_constants_size);
427 _instructions = buffer.insts();
428 _constants = buffer.consts();
429
430 // copy the code into the newly created CodeBuffer
431 memcpy(_instructions->start(), _code->base(T_BYTE), _code_size);
432 _instructions->set_end(_instructions->start() + _code_size);
433
434 oop* sites = (oop*)_sites->base(T_OBJECT);
435 for (int i=0; i<_sites->length(); i++) {
436 oop site = sites[i];
437 jint pc_offset = CiTargetMethod_Site::pcOffset(site);
438
439 if (site->is_a(CiTargetMethod_Safepoint::klass())) {
440 tty->print_cr("safepoint at %i", pc_offset);
441 site_Safepoint(buffer, pc_offset, site);
442 } else if (site->is_a(CiTargetMethod_Call::klass())) {
443 tty->print_cr("call at %i", pc_offset);
444 site_Call(buffer, pc_offset, site);
445 } else if (site->is_a(CiTargetMethod_DataPatch::klass())) {
446 tty->print_cr("datapatch at %i", pc_offset);
447 site_DataPatch(buffer, pc_offset, site);
448 } else if (site->is_a(CiTargetMethod_ExceptionHandler::klass())) {
449 tty->print_cr("exception handler at %i", pc_offset);
450 site_ExceptionHandler(buffer, pc_offset, site);
451 } else if (site->is_a(CiTargetMethod_Mark::klass())) {
452 tty->print_cr("mark at %i", pc_offset);
453 site_Mark(buffer, pc_offset, site);
454 } else {
455 ShouldNotReachHere();
456 }
457 }
458
459 /*
460 if (_relocation_count > 0) {
461 jint* relocation_offsets = (jint*)((arrayOop)JNIHandles::resolve(_relocation_offsets))->base(T_INT);
462 oop* relocation_objects = (oop*)((arrayOop)JNIHandles::resolve(_relocation_data))->base(T_OBJECT);
463
464 for (int i = 0; i < _relocation_count; i++) {
465 address inst = (address)instructions->start() + relocation_offsets[i];
466 u_char inst_byte = *inst;
467 oop obj = relocation_objects[i];
468 assert(obj != NULL, "NULL oop needn't be patched");
469
470 if (obj->is_a(SystemDictionary::HotSpotProxy_klass())) {
471 jlong id = com_sun_hotspot_c1x_HotSpotProxy::get_id(obj);
472 switch (id & VmIds::TYPE_MASK) {
473 case VmIds::CONSTANT: {
474 address operand = Assembler::locate_operand(inst, Assembler::imm_operand);
475
476 *((jobject*)operand) = JNIHandles::make_local(VmIds::get<oop>(id));
477 instructions->relocate(inst, oop_Relocation::spec_for_immediate(), Assembler::imm_operand);
478 tty->print_cr("relocating (HotSpotType) %02x at %016x/%016x", inst_byte, inst, operand);
479 break;
480 }
481 case VmIds::STUB: {
482 address operand = Assembler::locate_operand(inst, Assembler::call32_operand);
483
484 long dest = (long)VmIds::getStub(id);
485 long disp = dest - (long)(operand + 4);
486 assert(disp == (int) disp, "disp doesn't fit in 32 bits");
487 *((int*)operand) = (int)disp;
488
489 instructions->relocate(inst, runtime_call_Relocation::spec(), Assembler::call32_operand);
490 tty->print_cr("relocating (Long) %02x at %016x/%016x", inst_byte, inst, operand);
491 break;
492 }
493 }
494 } else if (java_lang_boxing_object::is_instance(obj)) {
495 address operand = Assembler::locate_operand(inst, Assembler::disp32_operand);
496 long dest = (long)constants->end();
497 if (java_lang_boxing_object::is_instance(obj, T_LONG)) {
498 // tty->print("relocate: %l\n", obj->long_field(java_lang_boxing_object::value_offset_in_bytes(T_LONG)));
499 *(jlong*)constants->end() = obj->long_field(java_lang_boxing_object::value_offset_in_bytes(T_LONG));
500 } else if (java_lang_boxing_object::is_instance(obj, T_DOUBLE)) {
501 // tty->print("relocate: %f\n", obj->double_field(java_lang_boxing_object::value_offset_in_bytes(T_DOUBLE)));
502 *(jdouble*)constants->end() = obj->double_field(java_lang_boxing_object::value_offset_in_bytes(T_DOUBLE));
503 } else if (java_lang_boxing_object::is_instance(obj, T_FLOAT)) {
504 // tty->print("relocate: %f\n", obj->double_field(java_lang_boxing_object::value_offset_in_bytes(T_DOUBLE)));
505 *(jfloat*)constants->end() = obj->float_field(java_lang_boxing_object::value_offset_in_bytes(T_FLOAT));
506 }
507 constants->set_end(constants->end() + 8);
508
509 long disp = dest - (long)(operand + 4);
510 assert(disp == (int) disp, "disp doesn't fit in 32 bits");
511 *((int*)operand) = (int)disp;
512
513 instructions->relocate(inst, section_word_Relocation::spec((address)dest, CodeBuffer::SECT_CONSTS), Assembler::disp32_operand);
514 tty->print_cr("relocating (Long/Double) %02x at %016x/%016x", inst_byte, inst, operand);
515 } else if (obj->is_a(_types.HotSpotTypeResolved)) {
516 address operand = Assembler::locate_operand(inst, Assembler::imm_operand);
517
518 *((jobject*)operand) = JNIHandles::make_local(VmIds::get<klassOop>(obj->obj_field(_types.HotSpotTypeResolved_klassOop)));
519 instructions->relocate(inst, oop_Relocation::spec_for_immediate(), Assembler::imm_operand);
520 tty->print_cr("relocating (HotSpotType) %02x at %016x/%016x", inst_byte, inst, operand);
521 } else {
522 tty->print_cr("unknown relocation type");
523 obj->print();
524 }
525 }
526 }*/
527 }
528