Mercurial > hg > graal-compiler
annotate src/cpu/sparc/vm/methodHandles_sparc.cpp @ 1846:d55217dc206f
6829194: JSR 292 needs to support compressed oops
Reviewed-by: kvn, jrose
author | twisti |
---|---|
date | Mon, 11 Oct 2010 04:18:58 -0700 |
parents | e9ff18c4ace7 |
children | 5beba6174298 |
rev | line source |
---|---|
710 | 1 /* |
1552
c18cbe5936b8
6941466: Oracle rebranding changes for Hotspot repositories
trims
parents:
1507
diff
changeset
|
2 * Copyright (c) 2008, 2010, Oracle and/or its affiliates. All rights reserved. |
710 | 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:
1507
diff
changeset
|
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
c18cbe5936b8
6941466: Oracle rebranding changes for Hotspot repositories
trims
parents:
1507
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:
1507
diff
changeset
|
21 * questions. |
710 | 22 * |
23 */ | |
24 | |
25 #include "incls/_precompiled.incl" | |
26 #include "incls/_methodHandles_sparc.cpp.incl" | |
27 | |
28 #define __ _masm-> | |
29 | |
30 address MethodHandleEntry::start_compiled_entry(MacroAssembler* _masm, | |
31 address interpreted_entry) { | |
1503 | 32 // Just before the actual machine code entry point, allocate space |
33 // for a MethodHandleEntry::Data record, so that we can manage everything | |
34 // from one base pointer. | |
710 | 35 __ align(wordSize); |
36 address target = __ pc() + sizeof(Data); | |
37 while (__ pc() < target) { | |
38 __ nop(); | |
39 __ align(wordSize); | |
40 } | |
41 | |
42 MethodHandleEntry* me = (MethodHandleEntry*) __ pc(); | |
43 me->set_end_address(__ pc()); // set a temporary end_address | |
44 me->set_from_interpreted_entry(interpreted_entry); | |
45 me->set_type_checking_entry(NULL); | |
46 | |
47 return (address) me; | |
48 } | |
49 | |
50 MethodHandleEntry* MethodHandleEntry::finish_compiled_entry(MacroAssembler* _masm, | |
51 address start_addr) { | |
52 MethodHandleEntry* me = (MethodHandleEntry*) start_addr; | |
53 assert(me->end_address() == start_addr, "valid ME"); | |
54 | |
55 // Fill in the real end_address: | |
56 __ align(wordSize); | |
57 me->set_end_address(__ pc()); | |
58 | |
59 return me; | |
60 } | |
61 | |
62 | |
63 // Code generation | |
64 address MethodHandles::generate_method_handle_interpreter_entry(MacroAssembler* _masm) { | |
1503 | 65 // I5_savedSP: sender SP (must preserve) |
66 // G4 (Gargs): incoming argument list (must preserve) | |
67 // G5_method: invoke methodOop; becomes method type. | |
68 // G3_method_handle: receiver method handle (must load from sp[MethodTypeForm.vmslots]) | |
69 // O0, O1: garbage temps, blown away | |
70 Register O0_argslot = O0; | |
71 Register O1_scratch = O1; | |
72 | |
73 // emit WrongMethodType path first, to enable back-branch from main path | |
74 Label wrong_method_type; | |
75 __ bind(wrong_method_type); | |
76 __ jump_to(AddressLiteral(Interpreter::throw_WrongMethodType_entry()), O1_scratch); | |
77 __ delayed()->nop(); | |
78 | |
79 // here's where control starts out: | |
80 __ align(CodeEntryAlignment); | |
81 address entry_point = __ pc(); | |
82 | |
83 // fetch the MethodType from the method handle into G5_method_type | |
84 { | |
85 Register tem = G5_method; | |
86 assert(tem == G5_method_type, "yes, it's the same register"); | |
87 for (jint* pchase = methodOopDesc::method_type_offsets_chain(); (*pchase) != -1; pchase++) { | |
88 __ ld_ptr(Address(tem, *pchase), G5_method_type); | |
89 } | |
90 } | |
91 | |
92 // given the MethodType, find out where the MH argument is buried | |
1846 | 93 __ load_heap_oop(Address(G5_method_type, __ delayed_value(java_dyn_MethodType::form_offset_in_bytes, O1_scratch)), O0_argslot); |
94 __ ldsw( Address(O0_argslot, __ delayed_value(java_dyn_MethodTypeForm::vmslots_offset_in_bytes, O1_scratch)), O0_argslot); | |
1503 | 95 __ ld_ptr(__ argument_address(O0_argslot), G3_method_handle); |
96 | |
97 __ check_method_handle_type(G5_method_type, G3_method_handle, O1_scratch, wrong_method_type); | |
98 __ jump_to_method_handle_entry(G3_method_handle, O1_scratch); | |
99 | |
100 return entry_point; | |
710 | 101 } |
102 | |
1503 | 103 |
104 #ifdef ASSERT | |
105 static void verify_argslot(MacroAssembler* _masm, Register argslot_reg, Register temp_reg, const char* error_message) { | |
106 // Verify that argslot lies within (Gargs, FP]. | |
107 Label L_ok, L_bad; | |
108 #ifdef _LP64 | |
109 __ add(FP, STACK_BIAS, temp_reg); | |
110 __ cmp(argslot_reg, temp_reg); | |
111 #else | |
112 __ cmp(argslot_reg, FP); | |
113 #endif | |
114 __ brx(Assembler::greaterUnsigned, false, Assembler::pn, L_bad); | |
115 __ delayed()->nop(); | |
116 __ cmp(Gargs, argslot_reg); | |
117 __ brx(Assembler::lessEqualUnsigned, false, Assembler::pt, L_ok); | |
118 __ delayed()->nop(); | |
119 __ bind(L_bad); | |
120 __ stop(error_message); | |
121 __ bind(L_ok); | |
122 } | |
123 #endif | |
124 | |
125 | |
126 // Helper to insert argument slots into the stack. | |
127 // arg_slots must be a multiple of stack_move_unit() and <= 0 | |
128 void MethodHandles::insert_arg_slots(MacroAssembler* _masm, | |
129 RegisterOrConstant arg_slots, | |
130 int arg_mask, | |
131 Register argslot_reg, | |
132 Register temp_reg, Register temp2_reg, Register temp3_reg) { | |
133 assert(temp3_reg != noreg, "temp3 required"); | |
134 assert_different_registers(argslot_reg, temp_reg, temp2_reg, temp3_reg, | |
135 (!arg_slots.is_register() ? Gargs : arg_slots.as_register())); | |
136 | |
137 #ifdef ASSERT | |
138 verify_argslot(_masm, argslot_reg, temp_reg, "insertion point must fall within current frame"); | |
139 if (arg_slots.is_register()) { | |
140 Label L_ok, L_bad; | |
141 __ cmp(arg_slots.as_register(), (int32_t) NULL_WORD); | |
142 __ br(Assembler::greater, false, Assembler::pn, L_bad); | |
143 __ delayed()->nop(); | |
144 __ btst(-stack_move_unit() - 1, arg_slots.as_register()); | |
145 __ br(Assembler::zero, false, Assembler::pt, L_ok); | |
146 __ delayed()->nop(); | |
147 __ bind(L_bad); | |
148 __ stop("assert arg_slots <= 0 and clear low bits"); | |
149 __ bind(L_ok); | |
150 } else { | |
151 assert(arg_slots.as_constant() <= 0, ""); | |
152 assert(arg_slots.as_constant() % -stack_move_unit() == 0, ""); | |
153 } | |
154 #endif // ASSERT | |
155 | |
156 #ifdef _LP64 | |
157 if (arg_slots.is_register()) { | |
158 // Was arg_slots register loaded as signed int? | |
159 Label L_ok; | |
160 __ sll(arg_slots.as_register(), BitsPerInt, temp_reg); | |
161 __ sra(temp_reg, BitsPerInt, temp_reg); | |
162 __ cmp(arg_slots.as_register(), temp_reg); | |
163 __ br(Assembler::equal, false, Assembler::pt, L_ok); | |
164 __ delayed()->nop(); | |
165 __ stop("arg_slots register not loaded as signed int"); | |
166 __ bind(L_ok); | |
167 } | |
168 #endif | |
169 | |
170 // Make space on the stack for the inserted argument(s). | |
171 // Then pull down everything shallower than argslot_reg. | |
172 // The stacked return address gets pulled down with everything else. | |
173 // That is, copy [sp, argslot) downward by -size words. In pseudo-code: | |
174 // sp -= size; | |
175 // for (temp = sp + size; temp < argslot; temp++) | |
176 // temp[-size] = temp[0] | |
177 // argslot -= size; | |
178 RegisterOrConstant offset = __ regcon_sll_ptr(arg_slots, LogBytesPerWord, temp3_reg); | |
179 | |
180 // Keep the stack pointer 2*wordSize aligned. | |
181 const int TwoWordAlignmentMask = right_n_bits(LogBytesPerWord + 1); | |
182 RegisterOrConstant masked_offset = __ regcon_andn_ptr(offset, TwoWordAlignmentMask, temp_reg); | |
183 __ add(SP, masked_offset, SP); | |
184 | |
185 __ mov(Gargs, temp_reg); // source pointer for copy | |
186 __ add(Gargs, offset, Gargs); | |
187 | |
188 { | |
189 Label loop; | |
190 __ bind(loop); | |
191 // pull one word down each time through the loop | |
192 __ ld_ptr(Address(temp_reg, 0), temp2_reg); | |
193 __ st_ptr(temp2_reg, Address(temp_reg, offset)); | |
194 __ add(temp_reg, wordSize, temp_reg); | |
195 __ cmp(temp_reg, argslot_reg); | |
196 __ brx(Assembler::less, false, Assembler::pt, loop); | |
197 __ delayed()->nop(); // FILLME | |
198 } | |
199 | |
200 // Now move the argslot down, to point to the opened-up space. | |
201 __ add(argslot_reg, offset, argslot_reg); | |
202 } | |
203 | |
204 | |
205 // Helper to remove argument slots from the stack. | |
206 // arg_slots must be a multiple of stack_move_unit() and >= 0 | |
207 void MethodHandles::remove_arg_slots(MacroAssembler* _masm, | |
208 RegisterOrConstant arg_slots, | |
209 Register argslot_reg, | |
210 Register temp_reg, Register temp2_reg, Register temp3_reg) { | |
211 assert(temp3_reg != noreg, "temp3 required"); | |
212 assert_different_registers(argslot_reg, temp_reg, temp2_reg, temp3_reg, | |
213 (!arg_slots.is_register() ? Gargs : arg_slots.as_register())); | |
214 | |
215 RegisterOrConstant offset = __ regcon_sll_ptr(arg_slots, LogBytesPerWord, temp3_reg); | |
216 | |
217 #ifdef ASSERT | |
218 // Verify that [argslot..argslot+size) lies within (Gargs, FP). | |
219 __ add(argslot_reg, offset, temp2_reg); | |
220 verify_argslot(_masm, temp2_reg, temp_reg, "deleted argument(s) must fall within current frame"); | |
221 if (arg_slots.is_register()) { | |
222 Label L_ok, L_bad; | |
223 __ cmp(arg_slots.as_register(), (int32_t) NULL_WORD); | |
224 __ br(Assembler::less, false, Assembler::pn, L_bad); | |
225 __ delayed()->nop(); | |
226 __ btst(-stack_move_unit() - 1, arg_slots.as_register()); | |
227 __ br(Assembler::zero, false, Assembler::pt, L_ok); | |
228 __ delayed()->nop(); | |
229 __ bind(L_bad); | |
230 __ stop("assert arg_slots >= 0 and clear low bits"); | |
231 __ bind(L_ok); | |
232 } else { | |
233 assert(arg_slots.as_constant() >= 0, ""); | |
234 assert(arg_slots.as_constant() % -stack_move_unit() == 0, ""); | |
235 } | |
236 #endif // ASSERT | |
237 | |
238 // Pull up everything shallower than argslot. | |
239 // Then remove the excess space on the stack. | |
240 // The stacked return address gets pulled up with everything else. | |
241 // That is, copy [sp, argslot) upward by size words. In pseudo-code: | |
242 // for (temp = argslot-1; temp >= sp; --temp) | |
243 // temp[size] = temp[0] | |
244 // argslot += size; | |
245 // sp += size; | |
246 __ sub(argslot_reg, wordSize, temp_reg); // source pointer for copy | |
247 { | |
248 Label loop; | |
249 __ bind(loop); | |
250 // pull one word up each time through the loop | |
251 __ ld_ptr(Address(temp_reg, 0), temp2_reg); | |
252 __ st_ptr(temp2_reg, Address(temp_reg, offset)); | |
253 __ sub(temp_reg, wordSize, temp_reg); | |
254 __ cmp(temp_reg, Gargs); | |
255 __ brx(Assembler::greaterEqual, false, Assembler::pt, loop); | |
256 __ delayed()->nop(); // FILLME | |
257 } | |
258 | |
259 // Now move the argslot up, to point to the just-copied block. | |
260 __ add(Gargs, offset, Gargs); | |
261 // And adjust the argslot address to point at the deletion point. | |
262 __ add(argslot_reg, offset, argslot_reg); | |
263 | |
264 // Keep the stack pointer 2*wordSize aligned. | |
265 const int TwoWordAlignmentMask = right_n_bits(LogBytesPerWord + 1); | |
266 RegisterOrConstant masked_offset = __ regcon_andn_ptr(offset, TwoWordAlignmentMask, temp_reg); | |
267 __ add(SP, masked_offset, SP); | |
268 } | |
269 | |
270 | |
271 #ifndef PRODUCT | |
272 extern "C" void print_method_handle(oop mh); | |
273 void trace_method_handle_stub(const char* adaptername, | |
274 oop mh) { | |
275 #if 0 | |
276 intptr_t* entry_sp, | |
277 intptr_t* saved_sp, | |
278 intptr_t* saved_bp) { | |
279 // called as a leaf from native code: do not block the JVM! | |
280 intptr_t* last_sp = (intptr_t*) saved_bp[frame::interpreter_frame_last_sp_offset]; | |
281 intptr_t* base_sp = (intptr_t*) saved_bp[frame::interpreter_frame_monitor_block_top_offset]; | |
282 printf("MH %s mh="INTPTR_FORMAT" sp=("INTPTR_FORMAT"+"INTX_FORMAT") stack_size="INTX_FORMAT" bp="INTPTR_FORMAT"\n", | |
283 adaptername, (intptr_t)mh, (intptr_t)entry_sp, (intptr_t)(saved_sp - entry_sp), (intptr_t)(base_sp - last_sp), (intptr_t)saved_bp); | |
284 if (last_sp != saved_sp) | |
285 printf("*** last_sp="INTPTR_FORMAT"\n", (intptr_t)last_sp); | |
286 #endif | |
287 | |
288 printf("MH %s mh="INTPTR_FORMAT"\n", adaptername, (intptr_t) mh); | |
289 print_method_handle(mh); | |
290 } | |
291 #endif // PRODUCT | |
292 | |
1507
cd5dbf694d45
6939134: JSR 292 adjustments to method handle invocation
jrose
parents:
1506
diff
changeset
|
293 // which conversion op types are implemented here? |
cd5dbf694d45
6939134: JSR 292 adjustments to method handle invocation
jrose
parents:
1506
diff
changeset
|
294 int MethodHandles::adapter_conversion_ops_supported_mask() { |
cd5dbf694d45
6939134: JSR 292 adjustments to method handle invocation
jrose
parents:
1506
diff
changeset
|
295 return ((1<<sun_dyn_AdapterMethodHandle::OP_RETYPE_ONLY) |
cd5dbf694d45
6939134: JSR 292 adjustments to method handle invocation
jrose
parents:
1506
diff
changeset
|
296 |(1<<sun_dyn_AdapterMethodHandle::OP_RETYPE_RAW) |
cd5dbf694d45
6939134: JSR 292 adjustments to method handle invocation
jrose
parents:
1506
diff
changeset
|
297 |(1<<sun_dyn_AdapterMethodHandle::OP_CHECK_CAST) |
cd5dbf694d45
6939134: JSR 292 adjustments to method handle invocation
jrose
parents:
1506
diff
changeset
|
298 |(1<<sun_dyn_AdapterMethodHandle::OP_PRIM_TO_PRIM) |
cd5dbf694d45
6939134: JSR 292 adjustments to method handle invocation
jrose
parents:
1506
diff
changeset
|
299 |(1<<sun_dyn_AdapterMethodHandle::OP_REF_TO_PRIM) |
cd5dbf694d45
6939134: JSR 292 adjustments to method handle invocation
jrose
parents:
1506
diff
changeset
|
300 |(1<<sun_dyn_AdapterMethodHandle::OP_SWAP_ARGS) |
cd5dbf694d45
6939134: JSR 292 adjustments to method handle invocation
jrose
parents:
1506
diff
changeset
|
301 |(1<<sun_dyn_AdapterMethodHandle::OP_ROT_ARGS) |
cd5dbf694d45
6939134: JSR 292 adjustments to method handle invocation
jrose
parents:
1506
diff
changeset
|
302 |(1<<sun_dyn_AdapterMethodHandle::OP_DUP_ARGS) |
cd5dbf694d45
6939134: JSR 292 adjustments to method handle invocation
jrose
parents:
1506
diff
changeset
|
303 |(1<<sun_dyn_AdapterMethodHandle::OP_DROP_ARGS) |
cd5dbf694d45
6939134: JSR 292 adjustments to method handle invocation
jrose
parents:
1506
diff
changeset
|
304 //|(1<<sun_dyn_AdapterMethodHandle::OP_SPREAD_ARGS) //BUG! |
cd5dbf694d45
6939134: JSR 292 adjustments to method handle invocation
jrose
parents:
1506
diff
changeset
|
305 ); |
cd5dbf694d45
6939134: JSR 292 adjustments to method handle invocation
jrose
parents:
1506
diff
changeset
|
306 // FIXME: MethodHandlesTest gets a crash if we enable OP_SPREAD_ARGS. |
cd5dbf694d45
6939134: JSR 292 adjustments to method handle invocation
jrose
parents:
1506
diff
changeset
|
307 } |
1503 | 308 |
309 //------------------------------------------------------------------------------ | |
310 // MethodHandles::generate_method_handle_stub | |
311 // | |
710 | 312 // Generate an "entry" field for a method handle. |
313 // This determines how the method handle will respond to calls. | |
314 void MethodHandles::generate_method_handle_stub(MacroAssembler* _masm, MethodHandles::EntryKind ek) { | |
1503 | 315 // Here is the register state during an interpreted call, |
316 // as set up by generate_method_handle_interpreter_entry(): | |
317 // - G5: garbage temp (was MethodHandle.invoke methodOop, unused) | |
318 // - G3: receiver method handle | |
319 // - O5_savedSP: sender SP (must preserve) | |
320 | |
321 Register O0_argslot = O0; | |
322 Register O1_scratch = O1; | |
323 Register O2_scratch = O2; | |
324 Register O3_scratch = O3; | |
325 Register G5_index = G5; | |
326 | |
327 guarantee(java_dyn_MethodHandle::vmentry_offset_in_bytes() != 0, "must have offsets"); | |
328 | |
329 // Some handy addresses: | |
330 Address G5_method_fie( G5_method, in_bytes(methodOopDesc::from_interpreted_offset())); | |
331 | |
332 Address G3_mh_vmtarget( G3_method_handle, java_dyn_MethodHandle::vmtarget_offset_in_bytes()); | |
333 | |
334 Address G3_dmh_vmindex( G3_method_handle, sun_dyn_DirectMethodHandle::vmindex_offset_in_bytes()); | |
335 | |
336 Address G3_bmh_vmargslot( G3_method_handle, sun_dyn_BoundMethodHandle::vmargslot_offset_in_bytes()); | |
337 Address G3_bmh_argument( G3_method_handle, sun_dyn_BoundMethodHandle::argument_offset_in_bytes()); | |
338 | |
339 Address G3_amh_vmargslot( G3_method_handle, sun_dyn_AdapterMethodHandle::vmargslot_offset_in_bytes()); | |
340 Address G3_amh_argument ( G3_method_handle, sun_dyn_AdapterMethodHandle::argument_offset_in_bytes()); | |
341 Address G3_amh_conversion(G3_method_handle, sun_dyn_AdapterMethodHandle::conversion_offset_in_bytes()); | |
342 | |
343 const int java_mirror_offset = klassOopDesc::klass_part_offset_in_bytes() + Klass::java_mirror_offset_in_bytes(); | |
344 | |
345 if (have_entry(ek)) { | |
346 __ nop(); // empty stubs make SG sick | |
347 return; | |
348 } | |
349 | |
350 address interp_entry = __ pc(); | |
351 | |
352 #ifndef PRODUCT | |
353 if (TraceMethodHandles) { | |
354 // save: Gargs, O5_savedSP | |
355 __ save(SP, -16*wordSize, SP); | |
356 __ set((intptr_t) entry_name(ek), O0); | |
357 __ mov(G3_method_handle, O1); | |
358 __ call_VM_leaf(Lscratch, CAST_FROM_FN_PTR(address, trace_method_handle_stub)); | |
359 __ restore(SP, 16*wordSize, SP); | |
360 } | |
361 #endif // PRODUCT | |
362 | |
363 switch ((int) ek) { | |
364 case _raise_exception: | |
365 { | |
366 // Not a real MH entry, but rather shared code for raising an | |
367 // exception. Extra local arguments are passed in scratch | |
368 // registers, as required type in O3, failing object (or NULL) | |
369 // in O2, failing bytecode type in O1. | |
370 | |
371 __ mov(O5_savedSP, SP); // Cut the stack back to where the caller started. | |
372 | |
373 // Push arguments as if coming from the interpreter. | |
374 Register O0_scratch = O0_argslot; | |
1506 | 375 int stackElementSize = Interpreter::stackElementSize; |
1503 | 376 |
1564 | 377 // Make space on the stack for the arguments and set Gargs |
378 // correctly. | |
379 __ sub(SP, 4*stackElementSize, SP); // Keep stack aligned. | |
380 __ add(SP, (frame::varargs_offset)*wordSize - 1*Interpreter::stackElementSize + STACK_BIAS + BytesPerWord, Gargs); | |
1503 | 381 |
382 // void raiseException(int code, Object actual, Object required) | |
383 __ st( O1_scratch, Address(Gargs, 2*stackElementSize)); // code | |
384 __ st_ptr(O2_scratch, Address(Gargs, 1*stackElementSize)); // actual | |
385 __ st_ptr(O3_scratch, Address(Gargs, 0*stackElementSize)); // required | |
386 | |
387 Label no_method; | |
388 // FIXME: fill in _raise_exception_method with a suitable sun.dyn method | |
389 __ set(AddressLiteral((address) &_raise_exception_method), G5_method); | |
390 __ ld_ptr(Address(G5_method, 0), G5_method); | |
391 __ tst(G5_method); | |
392 __ brx(Assembler::zero, false, Assembler::pn, no_method); | |
393 __ delayed()->nop(); | |
394 | |
395 int jobject_oop_offset = 0; | |
396 __ ld_ptr(Address(G5_method, jobject_oop_offset), G5_method); | |
397 __ tst(G5_method); | |
398 __ brx(Assembler::zero, false, Assembler::pn, no_method); | |
399 __ delayed()->nop(); | |
400 | |
401 __ verify_oop(G5_method); | |
402 __ jump_indirect_to(G5_method_fie, O1_scratch); | |
403 __ delayed()->nop(); | |
404 | |
405 // If we get here, the Java runtime did not do its job of creating the exception. | |
406 // Do something that is at least causes a valid throw from the interpreter. | |
407 __ bind(no_method); | |
408 __ unimplemented("_raise_exception no method"); | |
409 } | |
410 break; | |
411 | |
412 case _invokestatic_mh: | |
413 case _invokespecial_mh: | |
414 { | |
1846 | 415 __ load_heap_oop(G3_mh_vmtarget, G5_method); // target is a methodOop |
1503 | 416 __ verify_oop(G5_method); |
417 // Same as TemplateTable::invokestatic or invokespecial, | |
418 // minus the CP setup and profiling: | |
419 if (ek == _invokespecial_mh) { | |
420 // Must load & check the first argument before entering the target method. | |
421 __ load_method_handle_vmslots(O0_argslot, G3_method_handle, O1_scratch); | |
422 __ ld_ptr(__ argument_address(O0_argslot), G3_method_handle); | |
423 __ null_check(G3_method_handle); | |
424 __ verify_oop(G3_method_handle); | |
425 } | |
426 __ jump_indirect_to(G5_method_fie, O1_scratch); | |
427 __ delayed()->nop(); | |
428 } | |
429 break; | |
430 | |
431 case _invokevirtual_mh: | |
432 { | |
433 // Same as TemplateTable::invokevirtual, | |
434 // minus the CP setup and profiling: | |
435 | |
436 // Pick out the vtable index and receiver offset from the MH, | |
437 // and then we can discard it: | |
438 __ load_method_handle_vmslots(O0_argslot, G3_method_handle, O1_scratch); | |
439 __ ldsw(G3_dmh_vmindex, G5_index); | |
440 // Note: The verifier allows us to ignore G3_mh_vmtarget. | |
441 __ ld_ptr(__ argument_address(O0_argslot, -1), G3_method_handle); | |
442 __ null_check(G3_method_handle, oopDesc::klass_offset_in_bytes()); | |
443 | |
444 // Get receiver klass: | |
445 Register O0_klass = O0_argslot; | |
446 __ load_klass(G3_method_handle, O0_klass); | |
447 __ verify_oop(O0_klass); | |
448 | |
449 // Get target methodOop & entry point: | |
450 const int base = instanceKlass::vtable_start_offset() * wordSize; | |
451 assert(vtableEntry::size() * wordSize == wordSize, "adjust the scaling in the code below"); | |
452 | |
453 __ sll_ptr(G5_index, LogBytesPerWord, G5_index); | |
454 __ add(O0_klass, G5_index, O0_klass); | |
455 Address vtable_entry_addr(O0_klass, base + vtableEntry::method_offset_in_bytes()); | |
456 __ ld_ptr(vtable_entry_addr, G5_method); | |
457 | |
458 __ verify_oop(G5_method); | |
459 __ jump_indirect_to(G5_method_fie, O1_scratch); | |
460 __ delayed()->nop(); | |
461 } | |
462 break; | |
463 | |
464 case _invokeinterface_mh: | |
465 { | |
466 // Same as TemplateTable::invokeinterface, | |
467 // minus the CP setup and profiling: | |
468 __ load_method_handle_vmslots(O0_argslot, G3_method_handle, O1_scratch); | |
469 Register O1_intf = O1_scratch; | |
1846 | 470 __ load_heap_oop(G3_mh_vmtarget, O1_intf); |
1503 | 471 __ ldsw(G3_dmh_vmindex, G5_index); |
472 __ ld_ptr(__ argument_address(O0_argslot, -1), G3_method_handle); | |
473 __ null_check(G3_method_handle, oopDesc::klass_offset_in_bytes()); | |
474 | |
475 // Get receiver klass: | |
476 Register O0_klass = O0_argslot; | |
477 __ load_klass(G3_method_handle, O0_klass); | |
478 __ verify_oop(O0_klass); | |
479 | |
480 // Get interface: | |
481 Label no_such_interface; | |
482 __ verify_oop(O1_intf); | |
483 __ lookup_interface_method(O0_klass, O1_intf, | |
484 // Note: next two args must be the same: | |
485 G5_index, G5_method, | |
486 O2_scratch, | |
487 O3_scratch, | |
488 no_such_interface); | |
489 | |
490 __ verify_oop(G5_method); | |
491 __ jump_indirect_to(G5_method_fie, O1_scratch); | |
492 __ delayed()->nop(); | |
493 | |
494 __ bind(no_such_interface); | |
495 // Throw an exception. | |
496 // For historical reasons, it will be IncompatibleClassChangeError. | |
497 __ unimplemented("not tested yet"); | |
498 __ ld_ptr(Address(O1_intf, java_mirror_offset), O3_scratch); // required interface | |
499 __ mov(O0_klass, O2_scratch); // bad receiver | |
500 __ jump_to(AddressLiteral(from_interpreted_entry(_raise_exception)), O0_argslot); | |
501 __ delayed()->mov(Bytecodes::_invokeinterface, O1_scratch); // who is complaining? | |
502 } | |
503 break; | |
504 | |
505 case _bound_ref_mh: | |
506 case _bound_int_mh: | |
507 case _bound_long_mh: | |
508 case _bound_ref_direct_mh: | |
509 case _bound_int_direct_mh: | |
510 case _bound_long_direct_mh: | |
511 { | |
512 const bool direct_to_method = (ek >= _bound_ref_direct_mh); | |
513 BasicType arg_type = T_ILLEGAL; | |
514 int arg_mask = _INSERT_NO_MASK; | |
515 int arg_slots = -1; | |
516 get_ek_bound_mh_info(ek, arg_type, arg_mask, arg_slots); | |
517 | |
518 // Make room for the new argument: | |
519 __ ldsw(G3_bmh_vmargslot, O0_argslot); | |
520 __ add(Gargs, __ argument_offset(O0_argslot), O0_argslot); | |
521 | |
522 insert_arg_slots(_masm, arg_slots * stack_move_unit(), arg_mask, O0_argslot, O1_scratch, O2_scratch, G5_index); | |
523 | |
524 // Store bound argument into the new stack slot: | |
1846 | 525 __ load_heap_oop(G3_bmh_argument, O1_scratch); |
1503 | 526 if (arg_type == T_OBJECT) { |
527 __ st_ptr(O1_scratch, Address(O0_argslot, 0)); | |
528 } else { | |
529 Address prim_value_addr(O1_scratch, java_lang_boxing_object::value_offset_in_bytes(arg_type)); | |
530 __ load_sized_value(prim_value_addr, O2_scratch, type2aelembytes(arg_type), is_signed_subword_type(arg_type)); | |
531 if (arg_slots == 2) { | |
532 __ unimplemented("not yet tested"); | |
533 #ifndef _LP64 | |
534 __ signx(O2_scratch, O3_scratch); // Sign extend | |
535 #endif | |
536 __ st_long(O2_scratch, Address(O0_argslot, 0)); // Uses O2/O3 on !_LP64 | |
537 } else { | |
538 __ st_ptr( O2_scratch, Address(O0_argslot, 0)); | |
539 } | |
540 } | |
541 | |
542 if (direct_to_method) { | |
1846 | 543 __ load_heap_oop(G3_mh_vmtarget, G5_method); // target is a methodOop |
1503 | 544 __ verify_oop(G5_method); |
545 __ jump_indirect_to(G5_method_fie, O1_scratch); | |
546 __ delayed()->nop(); | |
547 } else { | |
1846 | 548 __ load_heap_oop(G3_mh_vmtarget, G3_method_handle); // target is a methodOop |
1503 | 549 __ verify_oop(G3_method_handle); |
550 __ jump_to_method_handle_entry(G3_method_handle, O1_scratch); | |
551 } | |
552 } | |
553 break; | |
554 | |
555 case _adapter_retype_only: | |
556 case _adapter_retype_raw: | |
557 // Immediately jump to the next MH layer: | |
1846 | 558 __ load_heap_oop(G3_mh_vmtarget, G3_method_handle); |
1503 | 559 __ jump_to_method_handle_entry(G3_method_handle, O1_scratch); |
560 // This is OK when all parameter types widen. | |
561 // It is also OK when a return type narrows. | |
562 break; | |
563 | |
564 case _adapter_check_cast: | |
565 { | |
566 // Temps: | |
567 Register G5_klass = G5_index; // Interesting AMH data. | |
568 | |
569 // Check a reference argument before jumping to the next layer of MH: | |
570 __ ldsw(G3_amh_vmargslot, O0_argslot); | |
571 Address vmarg = __ argument_address(O0_argslot); | |
572 | |
573 // What class are we casting to? | |
1846 | 574 __ load_heap_oop(G3_amh_argument, G5_klass); // This is a Class object! |
575 __ load_heap_oop(Address(G5_klass, java_lang_Class::klass_offset_in_bytes()), G5_klass); | |
1503 | 576 |
577 Label done; | |
578 __ ld_ptr(vmarg, O1_scratch); | |
579 __ tst(O1_scratch); | |
580 __ brx(Assembler::zero, false, Assembler::pn, done); // No cast if null. | |
581 __ delayed()->nop(); | |
582 __ load_klass(O1_scratch, O1_scratch); | |
583 | |
584 // Live at this point: | |
585 // - G5_klass : klass required by the target method | |
586 // - O1_scratch : argument klass to test | |
587 // - G3_method_handle: adapter method handle | |
588 __ check_klass_subtype(O1_scratch, G5_klass, O0_argslot, O2_scratch, done); | |
589 | |
590 // If we get here, the type check failed! | |
591 __ ldsw(G3_amh_vmargslot, O0_argslot); // reload argslot field | |
1846 | 592 __ load_heap_oop(G3_amh_argument, O3_scratch); // required class |
1503 | 593 __ ld_ptr(vmarg, O2_scratch); // bad object |
594 __ jump_to(AddressLiteral(from_interpreted_entry(_raise_exception)), O0_argslot); | |
595 __ delayed()->mov(Bytecodes::_checkcast, O1_scratch); // who is complaining? | |
596 | |
597 __ bind(done); | |
598 // Get the new MH: | |
1846 | 599 __ load_heap_oop(G3_mh_vmtarget, G3_method_handle); |
1503 | 600 __ jump_to_method_handle_entry(G3_method_handle, O1_scratch); |
601 } | |
602 break; | |
603 | |
604 case _adapter_prim_to_prim: | |
605 case _adapter_ref_to_prim: | |
606 // Handled completely by optimized cases. | |
607 __ stop("init_AdapterMethodHandle should not issue this"); | |
608 break; | |
609 | |
610 case _adapter_opt_i2i: // optimized subcase of adapt_prim_to_prim | |
611 //case _adapter_opt_f2i: // optimized subcase of adapt_prim_to_prim | |
612 case _adapter_opt_l2i: // optimized subcase of adapt_prim_to_prim | |
613 case _adapter_opt_unboxi: // optimized subcase of adapt_ref_to_prim | |
614 { | |
615 // Perform an in-place conversion to int or an int subword. | |
616 __ ldsw(G3_amh_vmargslot, O0_argslot); | |
617 Address vmarg = __ argument_address(O0_argslot); | |
618 Address value; | |
619 bool value_left_justified = false; | |
620 | |
621 switch (ek) { | |
622 case _adapter_opt_i2i: | |
623 case _adapter_opt_l2i: | |
624 __ unimplemented(entry_name(ek)); | |
625 value = vmarg; | |
626 break; | |
627 case _adapter_opt_unboxi: | |
628 { | |
629 // Load the value up from the heap. | |
630 __ ld_ptr(vmarg, O1_scratch); | |
631 int value_offset = java_lang_boxing_object::value_offset_in_bytes(T_INT); | |
632 #ifdef ASSERT | |
633 for (int bt = T_BOOLEAN; bt < T_INT; bt++) { | |
634 if (is_subword_type(BasicType(bt))) | |
635 assert(value_offset == java_lang_boxing_object::value_offset_in_bytes(BasicType(bt)), ""); | |
636 } | |
637 #endif | |
638 __ null_check(O1_scratch, value_offset); | |
639 value = Address(O1_scratch, value_offset); | |
640 #ifdef _BIG_ENDIAN | |
641 // Values stored in objects are packed. | |
642 value_left_justified = true; | |
643 #endif | |
644 } | |
645 break; | |
646 default: | |
647 ShouldNotReachHere(); | |
648 } | |
649 | |
650 // This check is required on _BIG_ENDIAN | |
651 Register G5_vminfo = G5_index; | |
652 __ ldsw(G3_amh_conversion, G5_vminfo); | |
653 assert(CONV_VMINFO_SHIFT == 0, "preshifted"); | |
654 | |
655 // Original 32-bit vmdata word must be of this form: | |
656 // | MBZ:6 | signBitCount:8 | srcDstTypes:8 | conversionOp:8 | | |
657 __ lduw(value, O1_scratch); | |
658 if (!value_left_justified) | |
659 __ sll(O1_scratch, G5_vminfo, O1_scratch); | |
660 Label zero_extend, done; | |
661 __ btst(CONV_VMINFO_SIGN_FLAG, G5_vminfo); | |
662 __ br(Assembler::zero, false, Assembler::pn, zero_extend); | |
663 __ delayed()->nop(); | |
664 | |
665 // this path is taken for int->byte, int->short | |
666 __ sra(O1_scratch, G5_vminfo, O1_scratch); | |
667 __ ba(false, done); | |
668 __ delayed()->nop(); | |
669 | |
670 __ bind(zero_extend); | |
671 // this is taken for int->char | |
672 __ srl(O1_scratch, G5_vminfo, O1_scratch); | |
673 | |
674 __ bind(done); | |
675 __ st(O1_scratch, vmarg); | |
676 | |
677 // Get the new MH: | |
1846 | 678 __ load_heap_oop(G3_mh_vmtarget, G3_method_handle); |
1503 | 679 __ jump_to_method_handle_entry(G3_method_handle, O1_scratch); |
680 } | |
681 break; | |
682 | |
683 case _adapter_opt_i2l: // optimized subcase of adapt_prim_to_prim | |
684 case _adapter_opt_unboxl: // optimized subcase of adapt_ref_to_prim | |
685 { | |
686 // Perform an in-place int-to-long or ref-to-long conversion. | |
687 __ ldsw(G3_amh_vmargslot, O0_argslot); | |
688 | |
689 // On big-endian machine we duplicate the slot and store the MSW | |
690 // in the first slot. | |
691 __ add(Gargs, __ argument_offset(O0_argslot, 1), O0_argslot); | |
692 | |
693 insert_arg_slots(_masm, stack_move_unit(), _INSERT_INT_MASK, O0_argslot, O1_scratch, O2_scratch, G5_index); | |
694 | |
695 Address arg_lsw(O0_argslot, 0); | |
1506 | 696 Address arg_msw(O0_argslot, -Interpreter::stackElementSize); |
1503 | 697 |
698 switch (ek) { | |
699 case _adapter_opt_i2l: | |
700 { | |
701 __ ldsw(arg_lsw, O2_scratch); // Load LSW | |
702 #ifndef _LP64 | |
703 __ signx(O2_scratch, O3_scratch); // Sign extend | |
704 #endif | |
705 __ st_long(O2_scratch, arg_msw); // Uses O2/O3 on !_LP64 | |
706 } | |
707 break; | |
708 case _adapter_opt_unboxl: | |
709 { | |
710 // Load the value up from the heap. | |
711 __ ld_ptr(arg_lsw, O1_scratch); | |
712 int value_offset = java_lang_boxing_object::value_offset_in_bytes(T_LONG); | |
713 assert(value_offset == java_lang_boxing_object::value_offset_in_bytes(T_DOUBLE), ""); | |
714 __ null_check(O1_scratch, value_offset); | |
715 __ ld_long(Address(O1_scratch, value_offset), O2_scratch); // Uses O2/O3 on !_LP64 | |
716 __ st_long(O2_scratch, arg_msw); | |
717 } | |
718 break; | |
719 default: | |
720 ShouldNotReachHere(); | |
721 } | |
722 | |
1846 | 723 __ load_heap_oop(G3_mh_vmtarget, G3_method_handle); |
1503 | 724 __ jump_to_method_handle_entry(G3_method_handle, O1_scratch); |
725 } | |
726 break; | |
727 | |
728 case _adapter_opt_f2d: // optimized subcase of adapt_prim_to_prim | |
729 case _adapter_opt_d2f: // optimized subcase of adapt_prim_to_prim | |
730 { | |
731 // perform an in-place floating primitive conversion | |
732 __ unimplemented(entry_name(ek)); | |
733 } | |
734 break; | |
735 | |
736 case _adapter_prim_to_ref: | |
737 __ unimplemented(entry_name(ek)); // %%% FIXME: NYI | |
738 break; | |
739 | |
740 case _adapter_swap_args: | |
741 case _adapter_rot_args: | |
742 // handled completely by optimized cases | |
743 __ stop("init_AdapterMethodHandle should not issue this"); | |
744 break; | |
745 | |
746 case _adapter_opt_swap_1: | |
747 case _adapter_opt_swap_2: | |
748 case _adapter_opt_rot_1_up: | |
749 case _adapter_opt_rot_1_down: | |
750 case _adapter_opt_rot_2_up: | |
751 case _adapter_opt_rot_2_down: | |
752 { | |
753 int swap_bytes = 0, rotate = 0; | |
754 get_ek_adapter_opt_swap_rot_info(ek, swap_bytes, rotate); | |
755 | |
756 // 'argslot' is the position of the first argument to swap. | |
757 __ ldsw(G3_amh_vmargslot, O0_argslot); | |
758 __ add(Gargs, __ argument_offset(O0_argslot), O0_argslot); | |
759 | |
760 // 'vminfo' is the second. | |
761 Register O1_destslot = O1_scratch; | |
762 __ ldsw(G3_amh_conversion, O1_destslot); | |
763 assert(CONV_VMINFO_SHIFT == 0, "preshifted"); | |
764 __ and3(O1_destslot, CONV_VMINFO_MASK, O1_destslot); | |
765 __ add(Gargs, __ argument_offset(O1_destslot), O1_destslot); | |
766 | |
767 if (!rotate) { | |
768 for (int i = 0; i < swap_bytes; i += wordSize) { | |
769 __ ld_ptr(Address(O0_argslot, i), O2_scratch); | |
770 __ ld_ptr(Address(O1_destslot, i), O3_scratch); | |
771 __ st_ptr(O3_scratch, Address(O0_argslot, i)); | |
772 __ st_ptr(O2_scratch, Address(O1_destslot, i)); | |
773 } | |
774 } else { | |
775 // Save the first chunk, which is going to get overwritten. | |
776 switch (swap_bytes) { | |
777 case 4 : __ lduw(Address(O0_argslot, 0), O2_scratch); break; | |
778 case 16: __ ldx( Address(O0_argslot, 8), O3_scratch); //fall-thru | |
779 case 8 : __ ldx( Address(O0_argslot, 0), O2_scratch); break; | |
780 default: ShouldNotReachHere(); | |
781 } | |
782 | |
783 if (rotate > 0) { | |
784 // Rorate upward. | |
785 __ sub(O0_argslot, swap_bytes, O0_argslot); | |
786 #if ASSERT | |
787 { | |
788 // Verify that argslot > destslot, by at least swap_bytes. | |
789 Label L_ok; | |
790 __ cmp(O0_argslot, O1_destslot); | |
791 __ brx(Assembler::greaterEqualUnsigned, false, Assembler::pt, L_ok); | |
792 __ delayed()->nop(); | |
793 __ stop("source must be above destination (upward rotation)"); | |
794 __ bind(L_ok); | |
795 } | |
796 #endif | |
797 // Work argslot down to destslot, copying contiguous data upwards. | |
798 // Pseudo-code: | |
799 // argslot = src_addr - swap_bytes | |
800 // destslot = dest_addr | |
801 // while (argslot >= destslot) { | |
802 // *(argslot + swap_bytes) = *(argslot + 0); | |
803 // argslot--; | |
804 // } | |
805 Label loop; | |
806 __ bind(loop); | |
807 __ ld_ptr(Address(O0_argslot, 0), G5_index); | |
808 __ st_ptr(G5_index, Address(O0_argslot, swap_bytes)); | |
809 __ sub(O0_argslot, wordSize, O0_argslot); | |
810 __ cmp(O0_argslot, O1_destslot); | |
811 __ brx(Assembler::greaterEqualUnsigned, false, Assembler::pt, loop); | |
812 __ delayed()->nop(); // FILLME | |
813 } else { | |
814 __ add(O0_argslot, swap_bytes, O0_argslot); | |
815 #if ASSERT | |
816 { | |
817 // Verify that argslot < destslot, by at least swap_bytes. | |
818 Label L_ok; | |
819 __ cmp(O0_argslot, O1_destslot); | |
820 __ brx(Assembler::lessEqualUnsigned, false, Assembler::pt, L_ok); | |
821 __ delayed()->nop(); | |
822 __ stop("source must be above destination (upward rotation)"); | |
823 __ bind(L_ok); | |
824 } | |
825 #endif | |
826 // Work argslot up to destslot, copying contiguous data downwards. | |
827 // Pseudo-code: | |
828 // argslot = src_addr + swap_bytes | |
829 // destslot = dest_addr | |
830 // while (argslot >= destslot) { | |
831 // *(argslot - swap_bytes) = *(argslot + 0); | |
832 // argslot++; | |
833 // } | |
834 Label loop; | |
835 __ bind(loop); | |
836 __ ld_ptr(Address(O0_argslot, 0), G5_index); | |
837 __ st_ptr(G5_index, Address(O0_argslot, -swap_bytes)); | |
838 __ add(O0_argslot, wordSize, O0_argslot); | |
839 __ cmp(O0_argslot, O1_destslot); | |
840 __ brx(Assembler::lessEqualUnsigned, false, Assembler::pt, loop); | |
841 __ delayed()->nop(); // FILLME | |
842 } | |
843 | |
844 // Store the original first chunk into the destination slot, now free. | |
845 switch (swap_bytes) { | |
846 case 4 : __ stw(O2_scratch, Address(O1_destslot, 0)); break; | |
847 case 16: __ stx(O3_scratch, Address(O1_destslot, 8)); // fall-thru | |
848 case 8 : __ stx(O2_scratch, Address(O1_destslot, 0)); break; | |
849 default: ShouldNotReachHere(); | |
850 } | |
851 } | |
852 | |
1846 | 853 __ load_heap_oop(G3_mh_vmtarget, G3_method_handle); |
1503 | 854 __ jump_to_method_handle_entry(G3_method_handle, O1_scratch); |
855 } | |
856 break; | |
857 | |
858 case _adapter_dup_args: | |
859 { | |
860 // 'argslot' is the position of the first argument to duplicate. | |
861 __ ldsw(G3_amh_vmargslot, O0_argslot); | |
862 __ add(Gargs, __ argument_offset(O0_argslot), O0_argslot); | |
863 | |
864 // 'stack_move' is negative number of words to duplicate. | |
865 Register G5_stack_move = G5_index; | |
866 __ ldsw(G3_amh_conversion, G5_stack_move); | |
867 __ sra(G5_stack_move, CONV_STACK_MOVE_SHIFT, G5_stack_move); | |
868 | |
869 // Remember the old Gargs (argslot[0]). | |
870 Register O1_oldarg = O1_scratch; | |
871 __ mov(Gargs, O1_oldarg); | |
872 | |
873 // Move Gargs down to make room for dups. | |
874 __ sll_ptr(G5_stack_move, LogBytesPerWord, G5_stack_move); | |
875 __ add(Gargs, G5_stack_move, Gargs); | |
876 | |
877 // Compute the new Gargs (argslot[0]). | |
878 Register O2_newarg = O2_scratch; | |
879 __ mov(Gargs, O2_newarg); | |
880 | |
881 // Copy from oldarg[0...] down to newarg[0...] | |
882 // Pseude-code: | |
883 // O1_oldarg = old-Gargs | |
884 // O2_newarg = new-Gargs | |
885 // O0_argslot = argslot | |
886 // while (O2_newarg < O1_oldarg) *O2_newarg = *O0_argslot++ | |
887 Label loop; | |
888 __ bind(loop); | |
889 __ ld_ptr(Address(O0_argslot, 0), O3_scratch); | |
890 __ st_ptr(O3_scratch, Address(O2_newarg, 0)); | |
891 __ add(O0_argslot, wordSize, O0_argslot); | |
892 __ add(O2_newarg, wordSize, O2_newarg); | |
893 __ cmp(O2_newarg, O1_oldarg); | |
894 __ brx(Assembler::less, false, Assembler::pt, loop); | |
895 __ delayed()->nop(); // FILLME | |
896 | |
1846 | 897 __ load_heap_oop(G3_mh_vmtarget, G3_method_handle); |
1503 | 898 __ jump_to_method_handle_entry(G3_method_handle, O1_scratch); |
899 } | |
900 break; | |
901 | |
902 case _adapter_drop_args: | |
903 { | |
904 // 'argslot' is the position of the first argument to nuke. | |
905 __ ldsw(G3_amh_vmargslot, O0_argslot); | |
906 __ add(Gargs, __ argument_offset(O0_argslot), O0_argslot); | |
907 | |
908 // 'stack_move' is number of words to drop. | |
909 Register G5_stack_move = G5_index; | |
910 __ ldsw(G3_amh_conversion, G5_stack_move); | |
911 __ sra(G5_stack_move, CONV_STACK_MOVE_SHIFT, G5_stack_move); | |
912 | |
913 remove_arg_slots(_masm, G5_stack_move, O0_argslot, O1_scratch, O2_scratch, O3_scratch); | |
914 | |
1846 | 915 __ load_heap_oop(G3_mh_vmtarget, G3_method_handle); |
1503 | 916 __ jump_to_method_handle_entry(G3_method_handle, O1_scratch); |
917 } | |
918 break; | |
919 | |
920 case _adapter_collect_args: | |
921 __ unimplemented(entry_name(ek)); // %%% FIXME: NYI | |
922 break; | |
923 | |
924 case _adapter_spread_args: | |
925 // Handled completely by optimized cases. | |
926 __ stop("init_AdapterMethodHandle should not issue this"); | |
927 break; | |
928 | |
929 case _adapter_opt_spread_0: | |
930 case _adapter_opt_spread_1: | |
931 case _adapter_opt_spread_more: | |
932 { | |
933 // spread an array out into a group of arguments | |
934 __ unimplemented(entry_name(ek)); | |
935 } | |
936 break; | |
937 | |
938 case _adapter_flyby: | |
939 case _adapter_ricochet: | |
940 __ unimplemented(entry_name(ek)); // %%% FIXME: NYI | |
941 break; | |
942 | |
943 default: | |
944 ShouldNotReachHere(); | |
945 } | |
946 | |
947 address me_cookie = MethodHandleEntry::start_compiled_entry(_masm, interp_entry); | |
948 __ unimplemented(entry_name(ek)); // %%% FIXME: NYI | |
949 | |
950 init_entry(ek, MethodHandleEntry::finish_compiled_entry(_masm, me_cookie)); | |
710 | 951 } |