Mercurial > hg > truffle
annotate src/cpu/x86/vm/methodHandles_x86.cpp @ 2093:7514897db238
7009849: C1: Incorrect frame size computation
Summary: Fix frame size computation
Reviewed-by: phh, kvn
author | iveresov |
---|---|
date | Thu, 30 Dec 2010 23:44:45 -0800 |
parents | 8d0b933dda2d |
children | d810e9a3fc33 |
rev | line source |
---|---|
710 | 1 /* |
1552
c18cbe5936b8
6941466: Oracle rebranding changes for Hotspot repositories
trims
parents:
1507
diff
changeset
|
2 * Copyright (c) 1997, 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 | |
1972 | 25 #include "precompiled.hpp" |
26 #include "interpreter/interpreter.hpp" | |
27 #include "memory/allocation.inline.hpp" | |
28 #include "prims/methodHandles.hpp" | |
710 | 29 |
30 #define __ _masm-> | |
31 | |
1793
d257356e35f0
6939224: MethodHandle.invokeGeneric needs to perform the correct set of conversions
jrose
parents:
1552
diff
changeset
|
32 #ifdef PRODUCT |
d257356e35f0
6939224: MethodHandle.invokeGeneric needs to perform the correct set of conversions
jrose
parents:
1552
diff
changeset
|
33 #define BLOCK_COMMENT(str) /* nothing */ |
d257356e35f0
6939224: MethodHandle.invokeGeneric needs to perform the correct set of conversions
jrose
parents:
1552
diff
changeset
|
34 #else |
d257356e35f0
6939224: MethodHandle.invokeGeneric needs to perform the correct set of conversions
jrose
parents:
1552
diff
changeset
|
35 #define BLOCK_COMMENT(str) __ block_comment(str) |
d257356e35f0
6939224: MethodHandle.invokeGeneric needs to perform the correct set of conversions
jrose
parents:
1552
diff
changeset
|
36 #endif |
d257356e35f0
6939224: MethodHandle.invokeGeneric needs to perform the correct set of conversions
jrose
parents:
1552
diff
changeset
|
37 |
d257356e35f0
6939224: MethodHandle.invokeGeneric needs to perform the correct set of conversions
jrose
parents:
1552
diff
changeset
|
38 #define BIND(label) bind(label); BLOCK_COMMENT(#label ":") |
d257356e35f0
6939224: MethodHandle.invokeGeneric needs to perform the correct set of conversions
jrose
parents:
1552
diff
changeset
|
39 |
710 | 40 address MethodHandleEntry::start_compiled_entry(MacroAssembler* _masm, |
41 address interpreted_entry) { | |
42 // Just before the actual machine code entry point, allocate space | |
43 // for a MethodHandleEntry::Data record, so that we can manage everything | |
44 // from one base pointer. | |
45 __ align(wordSize); | |
46 address target = __ pc() + sizeof(Data); | |
47 while (__ pc() < target) { | |
48 __ nop(); | |
49 __ align(wordSize); | |
50 } | |
51 | |
52 MethodHandleEntry* me = (MethodHandleEntry*) __ pc(); | |
53 me->set_end_address(__ pc()); // set a temporary end_address | |
54 me->set_from_interpreted_entry(interpreted_entry); | |
55 me->set_type_checking_entry(NULL); | |
56 | |
57 return (address) me; | |
58 } | |
59 | |
60 MethodHandleEntry* MethodHandleEntry::finish_compiled_entry(MacroAssembler* _masm, | |
61 address start_addr) { | |
62 MethodHandleEntry* me = (MethodHandleEntry*) start_addr; | |
63 assert(me->end_address() == start_addr, "valid ME"); | |
64 | |
65 // Fill in the real end_address: | |
66 __ align(wordSize); | |
67 me->set_end_address(__ pc()); | |
68 | |
69 return me; | |
70 } | |
71 | |
72 #ifdef ASSERT | |
1304 | 73 static void verify_argslot(MacroAssembler* _masm, Register argslot_reg, |
710 | 74 const char* error_message) { |
75 // Verify that argslot lies within (rsp, rbp]. | |
76 Label L_ok, L_bad; | |
1793
d257356e35f0
6939224: MethodHandle.invokeGeneric needs to perform the correct set of conversions
jrose
parents:
1552
diff
changeset
|
77 BLOCK_COMMENT("{ verify_argslot"); |
1304 | 78 __ cmpptr(argslot_reg, rbp); |
1135
e66fd840cb6b
6893081: method handle & invokedynamic code needs additional cleanup (post 6815692, 6858164)
twisti
parents:
1133
diff
changeset
|
79 __ jccb(Assembler::above, L_bad); |
1304 | 80 __ cmpptr(rsp, argslot_reg); |
1135
e66fd840cb6b
6893081: method handle & invokedynamic code needs additional cleanup (post 6815692, 6858164)
twisti
parents:
1133
diff
changeset
|
81 __ jccb(Assembler::below, L_ok); |
710 | 82 __ bind(L_bad); |
83 __ stop(error_message); | |
84 __ bind(L_ok); | |
1793
d257356e35f0
6939224: MethodHandle.invokeGeneric needs to perform the correct set of conversions
jrose
parents:
1552
diff
changeset
|
85 BLOCK_COMMENT("} verify_argslot"); |
710 | 86 } |
87 #endif | |
88 | |
89 | |
90 // Code generation | |
91 address MethodHandles::generate_method_handle_interpreter_entry(MacroAssembler* _masm) { | |
92 // rbx: methodOop | |
93 // rcx: receiver method handle (must load from sp[MethodTypeForm.vmslots]) | |
94 // rsi/r13: sender SP (must preserve; see prepare_to_jump_from_interpreted) | |
1793
d257356e35f0
6939224: MethodHandle.invokeGeneric needs to perform the correct set of conversions
jrose
parents:
1552
diff
changeset
|
95 // rdx, rdi: garbage temp, blown away |
710 | 96 |
97 Register rbx_method = rbx; | |
98 Register rcx_recv = rcx; | |
99 Register rax_mtype = rax; | |
100 Register rdx_temp = rdx; | |
1793
d257356e35f0
6939224: MethodHandle.invokeGeneric needs to perform the correct set of conversions
jrose
parents:
1552
diff
changeset
|
101 Register rdi_temp = rdi; |
710 | 102 |
103 // emit WrongMethodType path first, to enable jccb back-branch from main path | |
104 Label wrong_method_type; | |
105 __ bind(wrong_method_type); | |
1793
d257356e35f0
6939224: MethodHandle.invokeGeneric needs to perform the correct set of conversions
jrose
parents:
1552
diff
changeset
|
106 Label invoke_generic_slow_path; |
d257356e35f0
6939224: MethodHandle.invokeGeneric needs to perform the correct set of conversions
jrose
parents:
1552
diff
changeset
|
107 assert(methodOopDesc::intrinsic_id_size_in_bytes() == sizeof(u1), "");; |
d257356e35f0
6939224: MethodHandle.invokeGeneric needs to perform the correct set of conversions
jrose
parents:
1552
diff
changeset
|
108 __ cmpb(Address(rbx_method, methodOopDesc::intrinsic_id_offset_in_bytes()), (int) vmIntrinsics::_invokeExact); |
d257356e35f0
6939224: MethodHandle.invokeGeneric needs to perform the correct set of conversions
jrose
parents:
1552
diff
changeset
|
109 __ jcc(Assembler::notEqual, invoke_generic_slow_path); |
710 | 110 __ push(rax_mtype); // required mtype |
111 __ push(rcx_recv); // bad mh (1st stacked argument) | |
112 __ jump(ExternalAddress(Interpreter::throw_WrongMethodType_entry())); | |
113 | |
114 // here's where control starts out: | |
115 __ align(CodeEntryAlignment); | |
116 address entry_point = __ pc(); | |
117 | |
118 // fetch the MethodType from the method handle into rax (the 'check' register) | |
119 { | |
120 Register tem = rbx_method; | |
121 for (jint* pchase = methodOopDesc::method_type_offsets_chain(); (*pchase) != -1; pchase++) { | |
122 __ movptr(rax_mtype, Address(tem, *pchase)); | |
123 tem = rax_mtype; // in case there is another indirection | |
124 } | |
125 } | |
126 | |
127 // given the MethodType, find out where the MH argument is buried | |
1846 | 128 __ load_heap_oop(rdx_temp, Address(rax_mtype, __ delayed_value(java_dyn_MethodType::form_offset_in_bytes, rdi_temp))); |
1793
d257356e35f0
6939224: MethodHandle.invokeGeneric needs to perform the correct set of conversions
jrose
parents:
1552
diff
changeset
|
129 Register rdx_vmslots = rdx_temp; |
1846 | 130 __ movl(rdx_vmslots, Address(rdx_temp, __ delayed_value(java_dyn_MethodTypeForm::vmslots_offset_in_bytes, rdi_temp))); |
1793
d257356e35f0
6939224: MethodHandle.invokeGeneric needs to perform the correct set of conversions
jrose
parents:
1552
diff
changeset
|
131 __ movptr(rcx_recv, __ argument_address(rdx_vmslots)); |
d257356e35f0
6939224: MethodHandle.invokeGeneric needs to perform the correct set of conversions
jrose
parents:
1552
diff
changeset
|
132 |
d257356e35f0
6939224: MethodHandle.invokeGeneric needs to perform the correct set of conversions
jrose
parents:
1552
diff
changeset
|
133 trace_method_handle(_masm, "invokeExact"); |
d257356e35f0
6939224: MethodHandle.invokeGeneric needs to perform the correct set of conversions
jrose
parents:
1552
diff
changeset
|
134 |
d257356e35f0
6939224: MethodHandle.invokeGeneric needs to perform the correct set of conversions
jrose
parents:
1552
diff
changeset
|
135 __ check_method_handle_type(rax_mtype, rcx_recv, rdi_temp, wrong_method_type); |
d257356e35f0
6939224: MethodHandle.invokeGeneric needs to perform the correct set of conversions
jrose
parents:
1552
diff
changeset
|
136 __ jump_to_method_handle_entry(rcx_recv, rdi_temp); |
d257356e35f0
6939224: MethodHandle.invokeGeneric needs to perform the correct set of conversions
jrose
parents:
1552
diff
changeset
|
137 |
d257356e35f0
6939224: MethodHandle.invokeGeneric needs to perform the correct set of conversions
jrose
parents:
1552
diff
changeset
|
138 // for invokeGeneric (only), apply argument and result conversions on the fly |
d257356e35f0
6939224: MethodHandle.invokeGeneric needs to perform the correct set of conversions
jrose
parents:
1552
diff
changeset
|
139 __ bind(invoke_generic_slow_path); |
d257356e35f0
6939224: MethodHandle.invokeGeneric needs to perform the correct set of conversions
jrose
parents:
1552
diff
changeset
|
140 #ifdef ASSERT |
d257356e35f0
6939224: MethodHandle.invokeGeneric needs to perform the correct set of conversions
jrose
parents:
1552
diff
changeset
|
141 { Label L; |
d257356e35f0
6939224: MethodHandle.invokeGeneric needs to perform the correct set of conversions
jrose
parents:
1552
diff
changeset
|
142 __ cmpb(Address(rbx_method, methodOopDesc::intrinsic_id_offset_in_bytes()), (int) vmIntrinsics::_invokeGeneric); |
d257356e35f0
6939224: MethodHandle.invokeGeneric needs to perform the correct set of conversions
jrose
parents:
1552
diff
changeset
|
143 __ jcc(Assembler::equal, L); |
d257356e35f0
6939224: MethodHandle.invokeGeneric needs to perform the correct set of conversions
jrose
parents:
1552
diff
changeset
|
144 __ stop("bad methodOop::intrinsic_id"); |
d257356e35f0
6939224: MethodHandle.invokeGeneric needs to perform the correct set of conversions
jrose
parents:
1552
diff
changeset
|
145 __ bind(L); |
d257356e35f0
6939224: MethodHandle.invokeGeneric needs to perform the correct set of conversions
jrose
parents:
1552
diff
changeset
|
146 } |
d257356e35f0
6939224: MethodHandle.invokeGeneric needs to perform the correct set of conversions
jrose
parents:
1552
diff
changeset
|
147 #endif //ASSERT |
d257356e35f0
6939224: MethodHandle.invokeGeneric needs to perform the correct set of conversions
jrose
parents:
1552
diff
changeset
|
148 Register rbx_temp = rbx_method; // don't need it now |
d257356e35f0
6939224: MethodHandle.invokeGeneric needs to perform the correct set of conversions
jrose
parents:
1552
diff
changeset
|
149 |
d257356e35f0
6939224: MethodHandle.invokeGeneric needs to perform the correct set of conversions
jrose
parents:
1552
diff
changeset
|
150 // make room on the stack for another pointer: |
d257356e35f0
6939224: MethodHandle.invokeGeneric needs to perform the correct set of conversions
jrose
parents:
1552
diff
changeset
|
151 Register rcx_argslot = rcx_recv; |
d257356e35f0
6939224: MethodHandle.invokeGeneric needs to perform the correct set of conversions
jrose
parents:
1552
diff
changeset
|
152 __ lea(rcx_argslot, __ argument_address(rdx_vmslots, 1)); |
d257356e35f0
6939224: MethodHandle.invokeGeneric needs to perform the correct set of conversions
jrose
parents:
1552
diff
changeset
|
153 insert_arg_slots(_masm, 2 * stack_move_unit(), _INSERT_REF_MASK, |
d257356e35f0
6939224: MethodHandle.invokeGeneric needs to perform the correct set of conversions
jrose
parents:
1552
diff
changeset
|
154 rcx_argslot, rbx_temp, rdx_temp); |
710 | 155 |
1793
d257356e35f0
6939224: MethodHandle.invokeGeneric needs to perform the correct set of conversions
jrose
parents:
1552
diff
changeset
|
156 // load up an adapter from the calling type (Java weaves this) |
1846 | 157 __ load_heap_oop(rdx_temp, Address(rax_mtype, __ delayed_value(java_dyn_MethodType::form_offset_in_bytes, rdi_temp))); |
1793
d257356e35f0
6939224: MethodHandle.invokeGeneric needs to perform the correct set of conversions
jrose
parents:
1552
diff
changeset
|
158 Register rdx_adapter = rdx_temp; |
1846 | 159 // __ load_heap_oop(rdx_adapter, Address(rdx_temp, java_dyn_MethodTypeForm::genericInvoker_offset_in_bytes())); |
1793
d257356e35f0
6939224: MethodHandle.invokeGeneric needs to perform the correct set of conversions
jrose
parents:
1552
diff
changeset
|
160 // deal with old JDK versions: |
1846 | 161 __ lea(rdi_temp, Address(rdx_temp, __ delayed_value(java_dyn_MethodTypeForm::genericInvoker_offset_in_bytes, rdi_temp))); |
1793
d257356e35f0
6939224: MethodHandle.invokeGeneric needs to perform the correct set of conversions
jrose
parents:
1552
diff
changeset
|
162 __ cmpptr(rdi_temp, rdx_temp); |
d257356e35f0
6939224: MethodHandle.invokeGeneric needs to perform the correct set of conversions
jrose
parents:
1552
diff
changeset
|
163 Label sorry_no_invoke_generic; |
1846 | 164 __ jcc(Assembler::below, sorry_no_invoke_generic); |
1793
d257356e35f0
6939224: MethodHandle.invokeGeneric needs to perform the correct set of conversions
jrose
parents:
1552
diff
changeset
|
165 |
1846 | 166 __ load_heap_oop(rdx_adapter, Address(rdi_temp, 0)); |
1793
d257356e35f0
6939224: MethodHandle.invokeGeneric needs to perform the correct set of conversions
jrose
parents:
1552
diff
changeset
|
167 __ testptr(rdx_adapter, rdx_adapter); |
1846 | 168 __ jcc(Assembler::zero, sorry_no_invoke_generic); |
1793
d257356e35f0
6939224: MethodHandle.invokeGeneric needs to perform the correct set of conversions
jrose
parents:
1552
diff
changeset
|
169 __ movptr(Address(rcx_argslot, 1 * Interpreter::stackElementSize), rdx_adapter); |
d257356e35f0
6939224: MethodHandle.invokeGeneric needs to perform the correct set of conversions
jrose
parents:
1552
diff
changeset
|
170 // As a trusted first argument, pass the type being called, so the adapter knows |
d257356e35f0
6939224: MethodHandle.invokeGeneric needs to perform the correct set of conversions
jrose
parents:
1552
diff
changeset
|
171 // the actual types of the arguments and return values. |
d257356e35f0
6939224: MethodHandle.invokeGeneric needs to perform the correct set of conversions
jrose
parents:
1552
diff
changeset
|
172 // (Generic invokers are shared among form-families of method-type.) |
d257356e35f0
6939224: MethodHandle.invokeGeneric needs to perform the correct set of conversions
jrose
parents:
1552
diff
changeset
|
173 __ movptr(Address(rcx_argslot, 0 * Interpreter::stackElementSize), rax_mtype); |
d257356e35f0
6939224: MethodHandle.invokeGeneric needs to perform the correct set of conversions
jrose
parents:
1552
diff
changeset
|
174 // FIXME: assert that rdx_adapter is of the right method-type. |
d257356e35f0
6939224: MethodHandle.invokeGeneric needs to perform the correct set of conversions
jrose
parents:
1552
diff
changeset
|
175 __ mov(rcx, rdx_adapter); |
d257356e35f0
6939224: MethodHandle.invokeGeneric needs to perform the correct set of conversions
jrose
parents:
1552
diff
changeset
|
176 trace_method_handle(_masm, "invokeGeneric"); |
d257356e35f0
6939224: MethodHandle.invokeGeneric needs to perform the correct set of conversions
jrose
parents:
1552
diff
changeset
|
177 __ jump_to_method_handle_entry(rcx, rdi_temp); |
d257356e35f0
6939224: MethodHandle.invokeGeneric needs to perform the correct set of conversions
jrose
parents:
1552
diff
changeset
|
178 |
d257356e35f0
6939224: MethodHandle.invokeGeneric needs to perform the correct set of conversions
jrose
parents:
1552
diff
changeset
|
179 __ bind(sorry_no_invoke_generic); // no invokeGeneric implementation available! |
d257356e35f0
6939224: MethodHandle.invokeGeneric needs to perform the correct set of conversions
jrose
parents:
1552
diff
changeset
|
180 __ movptr(rcx_recv, Address(rcx_argslot, -1 * Interpreter::stackElementSize)); // recover original MH |
d257356e35f0
6939224: MethodHandle.invokeGeneric needs to perform the correct set of conversions
jrose
parents:
1552
diff
changeset
|
181 __ push(rax_mtype); // required mtype |
d257356e35f0
6939224: MethodHandle.invokeGeneric needs to perform the correct set of conversions
jrose
parents:
1552
diff
changeset
|
182 __ push(rcx_recv); // bad mh (1st stacked argument) |
d257356e35f0
6939224: MethodHandle.invokeGeneric needs to perform the correct set of conversions
jrose
parents:
1552
diff
changeset
|
183 __ jump(ExternalAddress(Interpreter::throw_WrongMethodType_entry())); |
710 | 184 |
185 return entry_point; | |
186 } | |
187 | |
188 // Helper to insert argument slots into the stack. | |
189 // arg_slots must be a multiple of stack_move_unit() and <= 0 | |
190 void MethodHandles::insert_arg_slots(MacroAssembler* _masm, | |
191 RegisterOrConstant arg_slots, | |
192 int arg_mask, | |
193 Register rax_argslot, | |
1503 | 194 Register rbx_temp, Register rdx_temp, Register temp3_reg) { |
195 assert(temp3_reg == noreg, "temp3 not required"); | |
710 | 196 assert_different_registers(rax_argslot, rbx_temp, rdx_temp, |
197 (!arg_slots.is_register() ? rsp : arg_slots.as_register())); | |
198 | |
199 #ifdef ASSERT | |
200 verify_argslot(_masm, rax_argslot, "insertion point must fall within current frame"); | |
201 if (arg_slots.is_register()) { | |
202 Label L_ok, L_bad; | |
203 __ cmpptr(arg_slots.as_register(), (int32_t) NULL_WORD); | |
1135
e66fd840cb6b
6893081: method handle & invokedynamic code needs additional cleanup (post 6815692, 6858164)
twisti
parents:
1133
diff
changeset
|
204 __ jccb(Assembler::greater, L_bad); |
710 | 205 __ testl(arg_slots.as_register(), -stack_move_unit() - 1); |
1135
e66fd840cb6b
6893081: method handle & invokedynamic code needs additional cleanup (post 6815692, 6858164)
twisti
parents:
1133
diff
changeset
|
206 __ jccb(Assembler::zero, L_ok); |
710 | 207 __ bind(L_bad); |
208 __ stop("assert arg_slots <= 0 and clear low bits"); | |
209 __ bind(L_ok); | |
210 } else { | |
211 assert(arg_slots.as_constant() <= 0, ""); | |
212 assert(arg_slots.as_constant() % -stack_move_unit() == 0, ""); | |
213 } | |
214 #endif //ASSERT | |
215 | |
216 #ifdef _LP64 | |
217 if (arg_slots.is_register()) { | |
218 // clean high bits of stack motion register (was loaded as an int) | |
219 __ movslq(arg_slots.as_register(), arg_slots.as_register()); | |
220 } | |
221 #endif | |
222 | |
223 // Make space on the stack for the inserted argument(s). | |
224 // Then pull down everything shallower than rax_argslot. | |
225 // The stacked return address gets pulled down with everything else. | |
226 // That is, copy [rsp, argslot) downward by -size words. In pseudo-code: | |
227 // rsp -= size; | |
228 // for (rdx = rsp + size; rdx < argslot; rdx++) | |
229 // rdx[-size] = rdx[0] | |
230 // argslot -= size; | |
1793
d257356e35f0
6939224: MethodHandle.invokeGeneric needs to perform the correct set of conversions
jrose
parents:
1552
diff
changeset
|
231 BLOCK_COMMENT("insert_arg_slots {"); |
710 | 232 __ mov(rdx_temp, rsp); // source pointer for copy |
233 __ lea(rsp, Address(rsp, arg_slots, Address::times_ptr)); | |
234 { | |
235 Label loop; | |
1793
d257356e35f0
6939224: MethodHandle.invokeGeneric needs to perform the correct set of conversions
jrose
parents:
1552
diff
changeset
|
236 __ BIND(loop); |
710 | 237 // pull one word down each time through the loop |
238 __ movptr(rbx_temp, Address(rdx_temp, 0)); | |
239 __ movptr(Address(rdx_temp, arg_slots, Address::times_ptr), rbx_temp); | |
240 __ addptr(rdx_temp, wordSize); | |
241 __ cmpptr(rdx_temp, rax_argslot); | |
1135
e66fd840cb6b
6893081: method handle & invokedynamic code needs additional cleanup (post 6815692, 6858164)
twisti
parents:
1133
diff
changeset
|
242 __ jccb(Assembler::less, loop); |
710 | 243 } |
244 | |
245 // Now move the argslot down, to point to the opened-up space. | |
246 __ lea(rax_argslot, Address(rax_argslot, arg_slots, Address::times_ptr)); | |
1793
d257356e35f0
6939224: MethodHandle.invokeGeneric needs to perform the correct set of conversions
jrose
parents:
1552
diff
changeset
|
247 BLOCK_COMMENT("} insert_arg_slots"); |
710 | 248 } |
249 | |
250 // Helper to remove argument slots from the stack. | |
251 // arg_slots must be a multiple of stack_move_unit() and >= 0 | |
252 void MethodHandles::remove_arg_slots(MacroAssembler* _masm, | |
253 RegisterOrConstant arg_slots, | |
254 Register rax_argslot, | |
1503 | 255 Register rbx_temp, Register rdx_temp, Register temp3_reg) { |
256 assert(temp3_reg == noreg, "temp3 not required"); | |
710 | 257 assert_different_registers(rax_argslot, rbx_temp, rdx_temp, |
258 (!arg_slots.is_register() ? rsp : arg_slots.as_register())); | |
259 | |
260 #ifdef ASSERT | |
1304 | 261 // Verify that [argslot..argslot+size) lies within (rsp, rbp). |
262 __ lea(rbx_temp, Address(rax_argslot, arg_slots, Address::times_ptr)); | |
263 verify_argslot(_masm, rbx_temp, "deleted argument(s) must fall within current frame"); | |
710 | 264 if (arg_slots.is_register()) { |
265 Label L_ok, L_bad; | |
266 __ cmpptr(arg_slots.as_register(), (int32_t) NULL_WORD); | |
1135
e66fd840cb6b
6893081: method handle & invokedynamic code needs additional cleanup (post 6815692, 6858164)
twisti
parents:
1133
diff
changeset
|
267 __ jccb(Assembler::less, L_bad); |
710 | 268 __ testl(arg_slots.as_register(), -stack_move_unit() - 1); |
1135
e66fd840cb6b
6893081: method handle & invokedynamic code needs additional cleanup (post 6815692, 6858164)
twisti
parents:
1133
diff
changeset
|
269 __ jccb(Assembler::zero, L_ok); |
710 | 270 __ bind(L_bad); |
271 __ stop("assert arg_slots >= 0 and clear low bits"); | |
272 __ bind(L_ok); | |
273 } else { | |
274 assert(arg_slots.as_constant() >= 0, ""); | |
275 assert(arg_slots.as_constant() % -stack_move_unit() == 0, ""); | |
276 } | |
277 #endif //ASSERT | |
278 | |
279 #ifdef _LP64 | |
280 if (false) { // not needed, since register is positive | |
281 // clean high bits of stack motion register (was loaded as an int) | |
282 if (arg_slots.is_register()) | |
283 __ movslq(arg_slots.as_register(), arg_slots.as_register()); | |
284 } | |
285 #endif | |
286 | |
1793
d257356e35f0
6939224: MethodHandle.invokeGeneric needs to perform the correct set of conversions
jrose
parents:
1552
diff
changeset
|
287 BLOCK_COMMENT("remove_arg_slots {"); |
710 | 288 // Pull up everything shallower than rax_argslot. |
289 // Then remove the excess space on the stack. | |
290 // The stacked return address gets pulled up with everything else. | |
291 // That is, copy [rsp, argslot) upward by size words. In pseudo-code: | |
292 // for (rdx = argslot-1; rdx >= rsp; --rdx) | |
293 // rdx[size] = rdx[0] | |
294 // argslot += size; | |
295 // rsp += size; | |
296 __ lea(rdx_temp, Address(rax_argslot, -wordSize)); // source pointer for copy | |
297 { | |
298 Label loop; | |
1793
d257356e35f0
6939224: MethodHandle.invokeGeneric needs to perform the correct set of conversions
jrose
parents:
1552
diff
changeset
|
299 __ BIND(loop); |
710 | 300 // pull one word up each time through the loop |
301 __ movptr(rbx_temp, Address(rdx_temp, 0)); | |
302 __ movptr(Address(rdx_temp, arg_slots, Address::times_ptr), rbx_temp); | |
303 __ addptr(rdx_temp, -wordSize); | |
304 __ cmpptr(rdx_temp, rsp); | |
1135
e66fd840cb6b
6893081: method handle & invokedynamic code needs additional cleanup (post 6815692, 6858164)
twisti
parents:
1133
diff
changeset
|
305 __ jccb(Assembler::greaterEqual, loop); |
710 | 306 } |
307 | |
308 // Now move the argslot up, to point to the just-copied block. | |
309 __ lea(rsp, Address(rsp, arg_slots, Address::times_ptr)); | |
310 // And adjust the argslot address to point at the deletion point. | |
311 __ lea(rax_argslot, Address(rax_argslot, arg_slots, Address::times_ptr)); | |
1793
d257356e35f0
6939224: MethodHandle.invokeGeneric needs to perform the correct set of conversions
jrose
parents:
1552
diff
changeset
|
312 BLOCK_COMMENT("} remove_arg_slots"); |
710 | 313 } |
314 | |
315 #ifndef PRODUCT | |
1133
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
1108
diff
changeset
|
316 extern "C" void print_method_handle(oop mh); |
710 | 317 void trace_method_handle_stub(const char* adaptername, |
1133
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
1108
diff
changeset
|
318 oop mh, |
1793
d257356e35f0
6939224: MethodHandle.invokeGeneric needs to perform the correct set of conversions
jrose
parents:
1552
diff
changeset
|
319 intptr_t* saved_regs, |
710 | 320 intptr_t* entry_sp, |
1039
987e948ebbc8
6815692: method handle code needs some cleanup (post-6655638)
jrose
parents:
845
diff
changeset
|
321 intptr_t* saved_sp, |
987e948ebbc8
6815692: method handle code needs some cleanup (post-6655638)
jrose
parents:
845
diff
changeset
|
322 intptr_t* saved_bp) { |
710 | 323 // called as a leaf from native code: do not block the JVM! |
1039
987e948ebbc8
6815692: method handle code needs some cleanup (post-6655638)
jrose
parents:
845
diff
changeset
|
324 intptr_t* last_sp = (intptr_t*) saved_bp[frame::interpreter_frame_last_sp_offset]; |
987e948ebbc8
6815692: method handle code needs some cleanup (post-6655638)
jrose
parents:
845
diff
changeset
|
325 intptr_t* base_sp = (intptr_t*) saved_bp[frame::interpreter_frame_monitor_block_top_offset]; |
987e948ebbc8
6815692: method handle code needs some cleanup (post-6655638)
jrose
parents:
845
diff
changeset
|
326 printf("MH %s mh="INTPTR_FORMAT" sp=("INTPTR_FORMAT"+"INTX_FORMAT") stack_size="INTX_FORMAT" bp="INTPTR_FORMAT"\n", |
987e948ebbc8
6815692: method handle code needs some cleanup (post-6655638)
jrose
parents:
845
diff
changeset
|
327 adaptername, (intptr_t)mh, (intptr_t)entry_sp, (intptr_t)(saved_sp - entry_sp), (intptr_t)(base_sp - last_sp), (intptr_t)saved_bp); |
1793
d257356e35f0
6939224: MethodHandle.invokeGeneric needs to perform the correct set of conversions
jrose
parents:
1552
diff
changeset
|
328 if (last_sp != saved_sp && last_sp != NULL) |
1039
987e948ebbc8
6815692: method handle code needs some cleanup (post-6655638)
jrose
parents:
845
diff
changeset
|
329 printf("*** last_sp="INTPTR_FORMAT"\n", (intptr_t)last_sp); |
1793
d257356e35f0
6939224: MethodHandle.invokeGeneric needs to perform the correct set of conversions
jrose
parents:
1552
diff
changeset
|
330 if (Verbose) { |
d257356e35f0
6939224: MethodHandle.invokeGeneric needs to perform the correct set of conversions
jrose
parents:
1552
diff
changeset
|
331 printf(" reg dump: "); |
d257356e35f0
6939224: MethodHandle.invokeGeneric needs to perform the correct set of conversions
jrose
parents:
1552
diff
changeset
|
332 int saved_regs_count = (entry_sp-1) - saved_regs; |
d257356e35f0
6939224: MethodHandle.invokeGeneric needs to perform the correct set of conversions
jrose
parents:
1552
diff
changeset
|
333 // 32 bit: rdi rsi rbp rsp; rbx rdx rcx (*) rax |
d257356e35f0
6939224: MethodHandle.invokeGeneric needs to perform the correct set of conversions
jrose
parents:
1552
diff
changeset
|
334 int i; |
d257356e35f0
6939224: MethodHandle.invokeGeneric needs to perform the correct set of conversions
jrose
parents:
1552
diff
changeset
|
335 for (i = 0; i <= saved_regs_count; i++) { |
d257356e35f0
6939224: MethodHandle.invokeGeneric needs to perform the correct set of conversions
jrose
parents:
1552
diff
changeset
|
336 if (i > 0 && i % 4 == 0 && i != saved_regs_count) |
d257356e35f0
6939224: MethodHandle.invokeGeneric needs to perform the correct set of conversions
jrose
parents:
1552
diff
changeset
|
337 printf("\n + dump: "); |
d257356e35f0
6939224: MethodHandle.invokeGeneric needs to perform the correct set of conversions
jrose
parents:
1552
diff
changeset
|
338 printf(" %d: "INTPTR_FORMAT, i, saved_regs[i]); |
d257356e35f0
6939224: MethodHandle.invokeGeneric needs to perform the correct set of conversions
jrose
parents:
1552
diff
changeset
|
339 } |
d257356e35f0
6939224: MethodHandle.invokeGeneric needs to perform the correct set of conversions
jrose
parents:
1552
diff
changeset
|
340 printf("\n"); |
d257356e35f0
6939224: MethodHandle.invokeGeneric needs to perform the correct set of conversions
jrose
parents:
1552
diff
changeset
|
341 int stack_dump_count = 16; |
d257356e35f0
6939224: MethodHandle.invokeGeneric needs to perform the correct set of conversions
jrose
parents:
1552
diff
changeset
|
342 if (stack_dump_count < (int)(saved_bp + 2 - saved_sp)) |
d257356e35f0
6939224: MethodHandle.invokeGeneric needs to perform the correct set of conversions
jrose
parents:
1552
diff
changeset
|
343 stack_dump_count = (int)(saved_bp + 2 - saved_sp); |
d257356e35f0
6939224: MethodHandle.invokeGeneric needs to perform the correct set of conversions
jrose
parents:
1552
diff
changeset
|
344 if (stack_dump_count > 64) stack_dump_count = 48; |
d257356e35f0
6939224: MethodHandle.invokeGeneric needs to perform the correct set of conversions
jrose
parents:
1552
diff
changeset
|
345 for (i = 0; i < stack_dump_count; i += 4) { |
d257356e35f0
6939224: MethodHandle.invokeGeneric needs to perform the correct set of conversions
jrose
parents:
1552
diff
changeset
|
346 printf(" dump at SP[%d] "INTPTR_FORMAT": "INTPTR_FORMAT" "INTPTR_FORMAT" "INTPTR_FORMAT" "INTPTR_FORMAT"\n", |
1818
c93c652551b5
6986944: JSR 292 assert(caller_nm->is_method_handle_return(caller_frame.pc())) failed: must be MH call site
twisti
parents:
1793
diff
changeset
|
347 i, (intptr_t) &entry_sp[i+0], entry_sp[i+0], entry_sp[i+1], entry_sp[i+2], entry_sp[i+3]); |
1793
d257356e35f0
6939224: MethodHandle.invokeGeneric needs to perform the correct set of conversions
jrose
parents:
1552
diff
changeset
|
348 } |
d257356e35f0
6939224: MethodHandle.invokeGeneric needs to perform the correct set of conversions
jrose
parents:
1552
diff
changeset
|
349 print_method_handle(mh); |
d257356e35f0
6939224: MethodHandle.invokeGeneric needs to perform the correct set of conversions
jrose
parents:
1552
diff
changeset
|
350 } |
d257356e35f0
6939224: MethodHandle.invokeGeneric needs to perform the correct set of conversions
jrose
parents:
1552
diff
changeset
|
351 } |
d257356e35f0
6939224: MethodHandle.invokeGeneric needs to perform the correct set of conversions
jrose
parents:
1552
diff
changeset
|
352 void MethodHandles::trace_method_handle(MacroAssembler* _masm, const char* adaptername) { |
d257356e35f0
6939224: MethodHandle.invokeGeneric needs to perform the correct set of conversions
jrose
parents:
1552
diff
changeset
|
353 if (!TraceMethodHandles) return; |
d257356e35f0
6939224: MethodHandle.invokeGeneric needs to perform the correct set of conversions
jrose
parents:
1552
diff
changeset
|
354 BLOCK_COMMENT("trace_method_handle {"); |
d257356e35f0
6939224: MethodHandle.invokeGeneric needs to perform the correct set of conversions
jrose
parents:
1552
diff
changeset
|
355 __ push(rax); |
d257356e35f0
6939224: MethodHandle.invokeGeneric needs to perform the correct set of conversions
jrose
parents:
1552
diff
changeset
|
356 __ lea(rax, Address(rsp, wordSize*6)); // entry_sp |
d257356e35f0
6939224: MethodHandle.invokeGeneric needs to perform the correct set of conversions
jrose
parents:
1552
diff
changeset
|
357 __ pusha(); |
d257356e35f0
6939224: MethodHandle.invokeGeneric needs to perform the correct set of conversions
jrose
parents:
1552
diff
changeset
|
358 // arguments: |
d257356e35f0
6939224: MethodHandle.invokeGeneric needs to perform the correct set of conversions
jrose
parents:
1552
diff
changeset
|
359 __ push(rbp); // interpreter frame pointer |
d257356e35f0
6939224: MethodHandle.invokeGeneric needs to perform the correct set of conversions
jrose
parents:
1552
diff
changeset
|
360 __ push(rsi); // saved_sp |
d257356e35f0
6939224: MethodHandle.invokeGeneric needs to perform the correct set of conversions
jrose
parents:
1552
diff
changeset
|
361 __ push(rax); // entry_sp |
d257356e35f0
6939224: MethodHandle.invokeGeneric needs to perform the correct set of conversions
jrose
parents:
1552
diff
changeset
|
362 __ push(rcx); // mh |
d257356e35f0
6939224: MethodHandle.invokeGeneric needs to perform the correct set of conversions
jrose
parents:
1552
diff
changeset
|
363 __ push(rcx); |
d257356e35f0
6939224: MethodHandle.invokeGeneric needs to perform the correct set of conversions
jrose
parents:
1552
diff
changeset
|
364 __ movptr(Address(rsp, 0), (intptr_t) adaptername); |
d257356e35f0
6939224: MethodHandle.invokeGeneric needs to perform the correct set of conversions
jrose
parents:
1552
diff
changeset
|
365 __ call_VM_leaf(CAST_FROM_FN_PTR(address, trace_method_handle_stub), 5); |
d257356e35f0
6939224: MethodHandle.invokeGeneric needs to perform the correct set of conversions
jrose
parents:
1552
diff
changeset
|
366 __ popa(); |
d257356e35f0
6939224: MethodHandle.invokeGeneric needs to perform the correct set of conversions
jrose
parents:
1552
diff
changeset
|
367 __ pop(rax); |
d257356e35f0
6939224: MethodHandle.invokeGeneric needs to perform the correct set of conversions
jrose
parents:
1552
diff
changeset
|
368 BLOCK_COMMENT("} trace_method_handle"); |
710 | 369 } |
370 #endif //PRODUCT | |
371 | |
1507
cd5dbf694d45
6939134: JSR 292 adjustments to method handle invocation
jrose
parents:
1506
diff
changeset
|
372 // which conversion op types are implemented here? |
cd5dbf694d45
6939134: JSR 292 adjustments to method handle invocation
jrose
parents:
1506
diff
changeset
|
373 int MethodHandles::adapter_conversion_ops_supported_mask() { |
cd5dbf694d45
6939134: JSR 292 adjustments to method handle invocation
jrose
parents:
1506
diff
changeset
|
374 return ((1<<sun_dyn_AdapterMethodHandle::OP_RETYPE_ONLY) |
cd5dbf694d45
6939134: JSR 292 adjustments to method handle invocation
jrose
parents:
1506
diff
changeset
|
375 |(1<<sun_dyn_AdapterMethodHandle::OP_RETYPE_RAW) |
cd5dbf694d45
6939134: JSR 292 adjustments to method handle invocation
jrose
parents:
1506
diff
changeset
|
376 |(1<<sun_dyn_AdapterMethodHandle::OP_CHECK_CAST) |
cd5dbf694d45
6939134: JSR 292 adjustments to method handle invocation
jrose
parents:
1506
diff
changeset
|
377 |(1<<sun_dyn_AdapterMethodHandle::OP_PRIM_TO_PRIM) |
cd5dbf694d45
6939134: JSR 292 adjustments to method handle invocation
jrose
parents:
1506
diff
changeset
|
378 |(1<<sun_dyn_AdapterMethodHandle::OP_REF_TO_PRIM) |
cd5dbf694d45
6939134: JSR 292 adjustments to method handle invocation
jrose
parents:
1506
diff
changeset
|
379 |(1<<sun_dyn_AdapterMethodHandle::OP_SWAP_ARGS) |
cd5dbf694d45
6939134: JSR 292 adjustments to method handle invocation
jrose
parents:
1506
diff
changeset
|
380 |(1<<sun_dyn_AdapterMethodHandle::OP_ROT_ARGS) |
cd5dbf694d45
6939134: JSR 292 adjustments to method handle invocation
jrose
parents:
1506
diff
changeset
|
381 |(1<<sun_dyn_AdapterMethodHandle::OP_DUP_ARGS) |
cd5dbf694d45
6939134: JSR 292 adjustments to method handle invocation
jrose
parents:
1506
diff
changeset
|
382 |(1<<sun_dyn_AdapterMethodHandle::OP_DROP_ARGS) |
cd5dbf694d45
6939134: JSR 292 adjustments to method handle invocation
jrose
parents:
1506
diff
changeset
|
383 //|(1<<sun_dyn_AdapterMethodHandle::OP_SPREAD_ARGS) //BUG! |
cd5dbf694d45
6939134: JSR 292 adjustments to method handle invocation
jrose
parents:
1506
diff
changeset
|
384 ); |
cd5dbf694d45
6939134: JSR 292 adjustments to method handle invocation
jrose
parents:
1506
diff
changeset
|
385 // 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
|
386 } |
cd5dbf694d45
6939134: JSR 292 adjustments to method handle invocation
jrose
parents:
1506
diff
changeset
|
387 |
2088
8d0b933dda2d
7007377: JSR 292 MethodHandlesTest.testCastFailure fails on SPARC with -Xcomp +DeoptimizeALot
twisti
parents:
1972
diff
changeset
|
388 //------------------------------------------------------------------------------ |
8d0b933dda2d
7007377: JSR 292 MethodHandlesTest.testCastFailure fails on SPARC with -Xcomp +DeoptimizeALot
twisti
parents:
1972
diff
changeset
|
389 // MethodHandles::generate_method_handle_stub |
8d0b933dda2d
7007377: JSR 292 MethodHandlesTest.testCastFailure fails on SPARC with -Xcomp +DeoptimizeALot
twisti
parents:
1972
diff
changeset
|
390 // |
710 | 391 // Generate an "entry" field for a method handle. |
392 // This determines how the method handle will respond to calls. | |
2088
8d0b933dda2d
7007377: JSR 292 MethodHandlesTest.testCastFailure fails on SPARC with -Xcomp +DeoptimizeALot
twisti
parents:
1972
diff
changeset
|
393 void MethodHandles::generate_method_handle_stub(MacroAssembler* _masm, MethodHandles::EntryKind ek, TRAPS) { |
710 | 394 // Here is the register state during an interpreted call, |
395 // as set up by generate_method_handle_interpreter_entry(): | |
396 // - rbx: garbage temp (was MethodHandle.invoke methodOop, unused) | |
397 // - rcx: receiver method handle | |
398 // - rax: method handle type (only used by the check_mtype entry point) | |
399 // - rsi/r13: sender SP (must preserve; see prepare_to_jump_from_interpreted) | |
400 // - rdx: garbage temp, can blow away | |
401 | |
2088
8d0b933dda2d
7007377: JSR 292 MethodHandlesTest.testCastFailure fails on SPARC with -Xcomp +DeoptimizeALot
twisti
parents:
1972
diff
changeset
|
402 const Register rcx_recv = rcx; |
8d0b933dda2d
7007377: JSR 292 MethodHandlesTest.testCastFailure fails on SPARC with -Xcomp +DeoptimizeALot
twisti
parents:
1972
diff
changeset
|
403 const Register rax_argslot = rax; |
8d0b933dda2d
7007377: JSR 292 MethodHandlesTest.testCastFailure fails on SPARC with -Xcomp +DeoptimizeALot
twisti
parents:
1972
diff
changeset
|
404 const Register rbx_temp = rbx; |
8d0b933dda2d
7007377: JSR 292 MethodHandlesTest.testCastFailure fails on SPARC with -Xcomp +DeoptimizeALot
twisti
parents:
1972
diff
changeset
|
405 const Register rdx_temp = rdx; |
710 | 406 |
1039
987e948ebbc8
6815692: method handle code needs some cleanup (post-6655638)
jrose
parents:
845
diff
changeset
|
407 // This guy is set up by prepare_to_jump_from_interpreted (from interpreted calls) |
987e948ebbc8
6815692: method handle code needs some cleanup (post-6655638)
jrose
parents:
845
diff
changeset
|
408 // and gen_c2i_adapter (from compiled calls): |
2088
8d0b933dda2d
7007377: JSR 292 MethodHandlesTest.testCastFailure fails on SPARC with -Xcomp +DeoptimizeALot
twisti
parents:
1972
diff
changeset
|
409 const Register saved_last_sp = LP64_ONLY(r13) NOT_LP64(rsi); |
8d0b933dda2d
7007377: JSR 292 MethodHandlesTest.testCastFailure fails on SPARC with -Xcomp +DeoptimizeALot
twisti
parents:
1972
diff
changeset
|
410 |
8d0b933dda2d
7007377: JSR 292 MethodHandlesTest.testCastFailure fails on SPARC with -Xcomp +DeoptimizeALot
twisti
parents:
1972
diff
changeset
|
411 // Argument registers for _raise_exception. |
8d0b933dda2d
7007377: JSR 292 MethodHandlesTest.testCastFailure fails on SPARC with -Xcomp +DeoptimizeALot
twisti
parents:
1972
diff
changeset
|
412 // 32-bit: Pass first two oop/int args in registers ECX and EDX. |
8d0b933dda2d
7007377: JSR 292 MethodHandlesTest.testCastFailure fails on SPARC with -Xcomp +DeoptimizeALot
twisti
parents:
1972
diff
changeset
|
413 const Register rarg0_code = LP64_ONLY(j_rarg0) NOT_LP64(rcx); |
8d0b933dda2d
7007377: JSR 292 MethodHandlesTest.testCastFailure fails on SPARC with -Xcomp +DeoptimizeALot
twisti
parents:
1972
diff
changeset
|
414 const Register rarg1_actual = LP64_ONLY(j_rarg1) NOT_LP64(rdx); |
8d0b933dda2d
7007377: JSR 292 MethodHandlesTest.testCastFailure fails on SPARC with -Xcomp +DeoptimizeALot
twisti
parents:
1972
diff
changeset
|
415 const Register rarg2_required = LP64_ONLY(j_rarg2) NOT_LP64(rdi); |
8d0b933dda2d
7007377: JSR 292 MethodHandlesTest.testCastFailure fails on SPARC with -Xcomp +DeoptimizeALot
twisti
parents:
1972
diff
changeset
|
416 assert_different_registers(rarg0_code, rarg1_actual, rarg2_required, saved_last_sp); |
1039
987e948ebbc8
6815692: method handle code needs some cleanup (post-6655638)
jrose
parents:
845
diff
changeset
|
417 |
710 | 418 guarantee(java_dyn_MethodHandle::vmentry_offset_in_bytes() != 0, "must have offsets"); |
419 | |
420 // some handy addresses | |
421 Address rbx_method_fie( rbx, methodOopDesc::from_interpreted_offset() ); | |
422 | |
423 Address rcx_mh_vmtarget( rcx_recv, java_dyn_MethodHandle::vmtarget_offset_in_bytes() ); | |
424 Address rcx_dmh_vmindex( rcx_recv, sun_dyn_DirectMethodHandle::vmindex_offset_in_bytes() ); | |
425 | |
426 Address rcx_bmh_vmargslot( rcx_recv, sun_dyn_BoundMethodHandle::vmargslot_offset_in_bytes() ); | |
427 Address rcx_bmh_argument( rcx_recv, sun_dyn_BoundMethodHandle::argument_offset_in_bytes() ); | |
428 | |
429 Address rcx_amh_vmargslot( rcx_recv, sun_dyn_AdapterMethodHandle::vmargslot_offset_in_bytes() ); | |
430 Address rcx_amh_argument( rcx_recv, sun_dyn_AdapterMethodHandle::argument_offset_in_bytes() ); | |
431 Address rcx_amh_conversion( rcx_recv, sun_dyn_AdapterMethodHandle::conversion_offset_in_bytes() ); | |
432 Address vmarg; // __ argument_address(vmargslot) | |
433 | |
1039
987e948ebbc8
6815692: method handle code needs some cleanup (post-6655638)
jrose
parents:
845
diff
changeset
|
434 const int java_mirror_offset = klassOopDesc::klass_part_offset_in_bytes() + Klass::java_mirror_offset_in_bytes(); |
987e948ebbc8
6815692: method handle code needs some cleanup (post-6655638)
jrose
parents:
845
diff
changeset
|
435 |
710 | 436 if (have_entry(ek)) { |
437 __ nop(); // empty stubs make SG sick | |
438 return; | |
439 } | |
440 | |
441 address interp_entry = __ pc(); | |
442 | |
1793
d257356e35f0
6939224: MethodHandle.invokeGeneric needs to perform the correct set of conversions
jrose
parents:
1552
diff
changeset
|
443 trace_method_handle(_masm, entry_name(ek)); |
d257356e35f0
6939224: MethodHandle.invokeGeneric needs to perform the correct set of conversions
jrose
parents:
1552
diff
changeset
|
444 |
d257356e35f0
6939224: MethodHandle.invokeGeneric needs to perform the correct set of conversions
jrose
parents:
1552
diff
changeset
|
445 BLOCK_COMMENT(entry_name(ek)); |
710 | 446 |
447 switch ((int) ek) { | |
1039
987e948ebbc8
6815692: method handle code needs some cleanup (post-6655638)
jrose
parents:
845
diff
changeset
|
448 case _raise_exception: |
710 | 449 { |
2088
8d0b933dda2d
7007377: JSR 292 MethodHandlesTest.testCastFailure fails on SPARC with -Xcomp +DeoptimizeALot
twisti
parents:
1972
diff
changeset
|
450 // Not a real MH entry, but rather shared code for raising an |
8d0b933dda2d
7007377: JSR 292 MethodHandlesTest.testCastFailure fails on SPARC with -Xcomp +DeoptimizeALot
twisti
parents:
1972
diff
changeset
|
451 // exception. Since we use a C2I adapter to set up the |
8d0b933dda2d
7007377: JSR 292 MethodHandlesTest.testCastFailure fails on SPARC with -Xcomp +DeoptimizeALot
twisti
parents:
1972
diff
changeset
|
452 // interpreter state, arguments are expected in compiler |
8d0b933dda2d
7007377: JSR 292 MethodHandlesTest.testCastFailure fails on SPARC with -Xcomp +DeoptimizeALot
twisti
parents:
1972
diff
changeset
|
453 // argument registers. |
8d0b933dda2d
7007377: JSR 292 MethodHandlesTest.testCastFailure fails on SPARC with -Xcomp +DeoptimizeALot
twisti
parents:
1972
diff
changeset
|
454 methodHandle mh(raise_exception_method()); |
8d0b933dda2d
7007377: JSR 292 MethodHandlesTest.testCastFailure fails on SPARC with -Xcomp +DeoptimizeALot
twisti
parents:
1972
diff
changeset
|
455 address c2i_entry = methodOopDesc::make_adapters(mh, CHECK); |
710 | 456 |
2088
8d0b933dda2d
7007377: JSR 292 MethodHandlesTest.testCastFailure fails on SPARC with -Xcomp +DeoptimizeALot
twisti
parents:
1972
diff
changeset
|
457 const Register rdi_pc = rax; |
8d0b933dda2d
7007377: JSR 292 MethodHandlesTest.testCastFailure fails on SPARC with -Xcomp +DeoptimizeALot
twisti
parents:
1972
diff
changeset
|
458 __ pop(rdi_pc); // caller PC |
8d0b933dda2d
7007377: JSR 292 MethodHandlesTest.testCastFailure fails on SPARC with -Xcomp +DeoptimizeALot
twisti
parents:
1972
diff
changeset
|
459 __ mov(rsp, saved_last_sp); // cut the stack back to where the caller started |
710 | 460 |
1039
987e948ebbc8
6815692: method handle code needs some cleanup (post-6655638)
jrose
parents:
845
diff
changeset
|
461 Register rbx_method = rbx_temp; |
2088
8d0b933dda2d
7007377: JSR 292 MethodHandlesTest.testCastFailure fails on SPARC with -Xcomp +DeoptimizeALot
twisti
parents:
1972
diff
changeset
|
462 Label L_no_method; |
1039
987e948ebbc8
6815692: method handle code needs some cleanup (post-6655638)
jrose
parents:
845
diff
changeset
|
463 // FIXME: fill in _raise_exception_method with a suitable sun.dyn method |
987e948ebbc8
6815692: method handle code needs some cleanup (post-6655638)
jrose
parents:
845
diff
changeset
|
464 __ movptr(rbx_method, ExternalAddress((address) &_raise_exception_method)); |
987e948ebbc8
6815692: method handle code needs some cleanup (post-6655638)
jrose
parents:
845
diff
changeset
|
465 __ testptr(rbx_method, rbx_method); |
2088
8d0b933dda2d
7007377: JSR 292 MethodHandlesTest.testCastFailure fails on SPARC with -Xcomp +DeoptimizeALot
twisti
parents:
1972
diff
changeset
|
466 __ jccb(Assembler::zero, L_no_method); |
8d0b933dda2d
7007377: JSR 292 MethodHandlesTest.testCastFailure fails on SPARC with -Xcomp +DeoptimizeALot
twisti
parents:
1972
diff
changeset
|
467 |
8d0b933dda2d
7007377: JSR 292 MethodHandlesTest.testCastFailure fails on SPARC with -Xcomp +DeoptimizeALot
twisti
parents:
1972
diff
changeset
|
468 const int jobject_oop_offset = 0; |
1039
987e948ebbc8
6815692: method handle code needs some cleanup (post-6655638)
jrose
parents:
845
diff
changeset
|
469 __ movptr(rbx_method, Address(rbx_method, jobject_oop_offset)); // dereference the jobject |
987e948ebbc8
6815692: method handle code needs some cleanup (post-6655638)
jrose
parents:
845
diff
changeset
|
470 __ testptr(rbx_method, rbx_method); |
2088
8d0b933dda2d
7007377: JSR 292 MethodHandlesTest.testCastFailure fails on SPARC with -Xcomp +DeoptimizeALot
twisti
parents:
1972
diff
changeset
|
471 __ jccb(Assembler::zero, L_no_method); |
1039
987e948ebbc8
6815692: method handle code needs some cleanup (post-6655638)
jrose
parents:
845
diff
changeset
|
472 __ verify_oop(rbx_method); |
2088
8d0b933dda2d
7007377: JSR 292 MethodHandlesTest.testCastFailure fails on SPARC with -Xcomp +DeoptimizeALot
twisti
parents:
1972
diff
changeset
|
473 |
8d0b933dda2d
7007377: JSR 292 MethodHandlesTest.testCastFailure fails on SPARC with -Xcomp +DeoptimizeALot
twisti
parents:
1972
diff
changeset
|
474 // 32-bit: push remaining arguments as if coming from the compiler. |
8d0b933dda2d
7007377: JSR 292 MethodHandlesTest.testCastFailure fails on SPARC with -Xcomp +DeoptimizeALot
twisti
parents:
1972
diff
changeset
|
475 NOT_LP64(__ push(rarg2_required)); |
8d0b933dda2d
7007377: JSR 292 MethodHandlesTest.testCastFailure fails on SPARC with -Xcomp +DeoptimizeALot
twisti
parents:
1972
diff
changeset
|
476 |
8d0b933dda2d
7007377: JSR 292 MethodHandlesTest.testCastFailure fails on SPARC with -Xcomp +DeoptimizeALot
twisti
parents:
1972
diff
changeset
|
477 __ push(rdi_pc); // restore caller PC |
8d0b933dda2d
7007377: JSR 292 MethodHandlesTest.testCastFailure fails on SPARC with -Xcomp +DeoptimizeALot
twisti
parents:
1972
diff
changeset
|
478 __ jump(ExternalAddress(c2i_entry)); // do C2I transition |
710 | 479 |
1039
987e948ebbc8
6815692: method handle code needs some cleanup (post-6655638)
jrose
parents:
845
diff
changeset
|
480 // If we get here, the Java runtime did not do its job of creating the exception. |
987e948ebbc8
6815692: method handle code needs some cleanup (post-6655638)
jrose
parents:
845
diff
changeset
|
481 // Do something that is at least causes a valid throw from the interpreter. |
2088
8d0b933dda2d
7007377: JSR 292 MethodHandlesTest.testCastFailure fails on SPARC with -Xcomp +DeoptimizeALot
twisti
parents:
1972
diff
changeset
|
482 __ bind(L_no_method); |
8d0b933dda2d
7007377: JSR 292 MethodHandlesTest.testCastFailure fails on SPARC with -Xcomp +DeoptimizeALot
twisti
parents:
1972
diff
changeset
|
483 __ push(rarg2_required); |
8d0b933dda2d
7007377: JSR 292 MethodHandlesTest.testCastFailure fails on SPARC with -Xcomp +DeoptimizeALot
twisti
parents:
1972
diff
changeset
|
484 __ push(rarg1_actual); |
710 | 485 __ jump(ExternalAddress(Interpreter::throw_WrongMethodType_entry())); |
486 } | |
487 break; | |
488 | |
489 case _invokestatic_mh: | |
490 case _invokespecial_mh: | |
491 { | |
492 Register rbx_method = rbx_temp; | |
1846 | 493 __ load_heap_oop(rbx_method, rcx_mh_vmtarget); // target is a methodOop |
710 | 494 __ verify_oop(rbx_method); |
495 // same as TemplateTable::invokestatic or invokespecial, | |
496 // minus the CP setup and profiling: | |
497 if (ek == _invokespecial_mh) { | |
498 // Must load & check the first argument before entering the target method. | |
499 __ load_method_handle_vmslots(rax_argslot, rcx_recv, rdx_temp); | |
500 __ movptr(rcx_recv, __ argument_address(rax_argslot, -1)); | |
501 __ null_check(rcx_recv); | |
502 __ verify_oop(rcx_recv); | |
503 } | |
504 __ jmp(rbx_method_fie); | |
505 } | |
506 break; | |
507 | |
508 case _invokevirtual_mh: | |
509 { | |
510 // same as TemplateTable::invokevirtual, | |
511 // minus the CP setup and profiling: | |
512 | |
513 // pick out the vtable index and receiver offset from the MH, | |
514 // and then we can discard it: | |
515 __ load_method_handle_vmslots(rax_argslot, rcx_recv, rdx_temp); | |
516 Register rbx_index = rbx_temp; | |
517 __ movl(rbx_index, rcx_dmh_vmindex); | |
518 // Note: The verifier allows us to ignore rcx_mh_vmtarget. | |
519 __ movptr(rcx_recv, __ argument_address(rax_argslot, -1)); | |
520 __ null_check(rcx_recv, oopDesc::klass_offset_in_bytes()); | |
521 | |
522 // get receiver klass | |
523 Register rax_klass = rax_argslot; | |
524 __ load_klass(rax_klass, rcx_recv); | |
525 __ verify_oop(rax_klass); | |
526 | |
527 // get target methodOop & entry point | |
528 const int base = instanceKlass::vtable_start_offset() * wordSize; | |
529 assert(vtableEntry::size() * wordSize == wordSize, "adjust the scaling in the code below"); | |
530 Address vtable_entry_addr(rax_klass, | |
531 rbx_index, Address::times_ptr, | |
532 base + vtableEntry::method_offset_in_bytes()); | |
533 Register rbx_method = rbx_temp; | |
1108 | 534 __ movptr(rbx_method, vtable_entry_addr); |
710 | 535 |
536 __ verify_oop(rbx_method); | |
537 __ jmp(rbx_method_fie); | |
538 } | |
539 break; | |
540 | |
541 case _invokeinterface_mh: | |
542 { | |
543 // same as TemplateTable::invokeinterface, | |
544 // minus the CP setup and profiling: | |
545 | |
546 // pick out the interface and itable index from the MH. | |
547 __ load_method_handle_vmslots(rax_argslot, rcx_recv, rdx_temp); | |
548 Register rdx_intf = rdx_temp; | |
549 Register rbx_index = rbx_temp; | |
1846 | 550 __ load_heap_oop(rdx_intf, rcx_mh_vmtarget); |
551 __ movl(rbx_index, rcx_dmh_vmindex); | |
710 | 552 __ movptr(rcx_recv, __ argument_address(rax_argslot, -1)); |
553 __ null_check(rcx_recv, oopDesc::klass_offset_in_bytes()); | |
554 | |
555 // get receiver klass | |
556 Register rax_klass = rax_argslot; | |
557 __ load_klass(rax_klass, rcx_recv); | |
558 __ verify_oop(rax_klass); | |
559 | |
1039
987e948ebbc8
6815692: method handle code needs some cleanup (post-6655638)
jrose
parents:
845
diff
changeset
|
560 Register rdi_temp = rdi; |
710 | 561 Register rbx_method = rbx_index; |
562 | |
563 // get interface klass | |
564 Label no_such_interface; | |
565 __ verify_oop(rdx_intf); | |
566 __ lookup_interface_method(rax_klass, rdx_intf, | |
567 // note: next two args must be the same: | |
568 rbx_index, rbx_method, | |
1039
987e948ebbc8
6815692: method handle code needs some cleanup (post-6655638)
jrose
parents:
845
diff
changeset
|
569 rdi_temp, |
710 | 570 no_such_interface); |
571 | |
572 __ verify_oop(rbx_method); | |
573 __ jmp(rbx_method_fie); | |
574 __ hlt(); | |
575 | |
576 __ bind(no_such_interface); | |
577 // Throw an exception. | |
578 // For historical reasons, it will be IncompatibleClassChangeError. | |
2088
8d0b933dda2d
7007377: JSR 292 MethodHandlesTest.testCastFailure fails on SPARC with -Xcomp +DeoptimizeALot
twisti
parents:
1972
diff
changeset
|
579 __ mov(rbx_temp, rcx_recv); // rarg2_required might be RCX |
8d0b933dda2d
7007377: JSR 292 MethodHandlesTest.testCastFailure fails on SPARC with -Xcomp +DeoptimizeALot
twisti
parents:
1972
diff
changeset
|
580 assert_different_registers(rarg2_required, rbx_temp); |
8d0b933dda2d
7007377: JSR 292 MethodHandlesTest.testCastFailure fails on SPARC with -Xcomp +DeoptimizeALot
twisti
parents:
1972
diff
changeset
|
581 __ movptr(rarg2_required, Address(rdx_intf, java_mirror_offset)); // required interface |
8d0b933dda2d
7007377: JSR 292 MethodHandlesTest.testCastFailure fails on SPARC with -Xcomp +DeoptimizeALot
twisti
parents:
1972
diff
changeset
|
582 __ mov( rarg1_actual, rbx_temp); // bad receiver |
8d0b933dda2d
7007377: JSR 292 MethodHandlesTest.testCastFailure fails on SPARC with -Xcomp +DeoptimizeALot
twisti
parents:
1972
diff
changeset
|
583 __ movl( rarg0_code, (int) Bytecodes::_invokeinterface); // who is complaining? |
1039
987e948ebbc8
6815692: method handle code needs some cleanup (post-6655638)
jrose
parents:
845
diff
changeset
|
584 __ jump(ExternalAddress(from_interpreted_entry(_raise_exception))); |
710 | 585 } |
586 break; | |
587 | |
588 case _bound_ref_mh: | |
589 case _bound_int_mh: | |
590 case _bound_long_mh: | |
591 case _bound_ref_direct_mh: | |
592 case _bound_int_direct_mh: | |
593 case _bound_long_direct_mh: | |
594 { | |
595 bool direct_to_method = (ek >= _bound_ref_direct_mh); | |
1304 | 596 BasicType arg_type = T_ILLEGAL; |
597 int arg_mask = _INSERT_NO_MASK; | |
598 int arg_slots = -1; | |
599 get_ek_bound_mh_info(ek, arg_type, arg_mask, arg_slots); | |
710 | 600 |
601 // make room for the new argument: | |
602 __ movl(rax_argslot, rcx_bmh_vmargslot); | |
603 __ lea(rax_argslot, __ argument_address(rax_argslot)); | |
604 insert_arg_slots(_masm, arg_slots * stack_move_unit(), arg_mask, | |
605 rax_argslot, rbx_temp, rdx_temp); | |
606 | |
607 // store bound argument into the new stack slot: | |
1846 | 608 __ load_heap_oop(rbx_temp, rcx_bmh_argument); |
710 | 609 Address prim_value_addr(rbx_temp, java_lang_boxing_object::value_offset_in_bytes(arg_type)); |
610 if (arg_type == T_OBJECT) { | |
611 __ movptr(Address(rax_argslot, 0), rbx_temp); | |
612 } else { | |
1135
e66fd840cb6b
6893081: method handle & invokedynamic code needs additional cleanup (post 6815692, 6858164)
twisti
parents:
1133
diff
changeset
|
613 __ load_sized_value(rdx_temp, prim_value_addr, |
710 | 614 type2aelembytes(arg_type), is_signed_subword_type(arg_type)); |
1135
e66fd840cb6b
6893081: method handle & invokedynamic code needs additional cleanup (post 6815692, 6858164)
twisti
parents:
1133
diff
changeset
|
615 __ movptr(Address(rax_argslot, 0), rdx_temp); |
710 | 616 #ifndef _LP64 |
617 if (arg_slots == 2) { | |
1135
e66fd840cb6b
6893081: method handle & invokedynamic code needs additional cleanup (post 6815692, 6858164)
twisti
parents:
1133
diff
changeset
|
618 __ movl(rdx_temp, prim_value_addr.plus_disp(wordSize)); |
1506 | 619 __ movl(Address(rax_argslot, Interpreter::stackElementSize), rdx_temp); |
710 | 620 } |
621 #endif //_LP64 | |
622 } | |
623 | |
624 if (direct_to_method) { | |
625 Register rbx_method = rbx_temp; | |
1846 | 626 __ load_heap_oop(rbx_method, rcx_mh_vmtarget); |
710 | 627 __ verify_oop(rbx_method); |
628 __ jmp(rbx_method_fie); | |
629 } else { | |
1846 | 630 __ load_heap_oop(rcx_recv, rcx_mh_vmtarget); |
710 | 631 __ verify_oop(rcx_recv); |
632 __ jump_to_method_handle_entry(rcx_recv, rdx_temp); | |
633 } | |
634 } | |
635 break; | |
636 | |
637 case _adapter_retype_only: | |
1039
987e948ebbc8
6815692: method handle code needs some cleanup (post-6655638)
jrose
parents:
845
diff
changeset
|
638 case _adapter_retype_raw: |
710 | 639 // immediately jump to the next MH layer: |
1846 | 640 __ load_heap_oop(rcx_recv, rcx_mh_vmtarget); |
710 | 641 __ verify_oop(rcx_recv); |
642 __ jump_to_method_handle_entry(rcx_recv, rdx_temp); | |
643 // This is OK when all parameter types widen. | |
644 // It is also OK when a return type narrows. | |
645 break; | |
646 | |
647 case _adapter_check_cast: | |
648 { | |
649 // temps: | |
650 Register rbx_klass = rbx_temp; // interesting AMH data | |
651 | |
652 // check a reference argument before jumping to the next layer of MH: | |
653 __ movl(rax_argslot, rcx_amh_vmargslot); | |
654 vmarg = __ argument_address(rax_argslot); | |
655 | |
656 // What class are we casting to? | |
1846 | 657 __ load_heap_oop(rbx_klass, rcx_amh_argument); // this is a Class object! |
658 __ load_heap_oop(rbx_klass, Address(rbx_klass, java_lang_Class::klass_offset_in_bytes())); | |
710 | 659 |
660 Label done; | |
661 __ movptr(rdx_temp, vmarg); | |
1277 | 662 __ testptr(rdx_temp, rdx_temp); |
1846 | 663 __ jcc(Assembler::zero, done); // no cast if null |
710 | 664 __ load_klass(rdx_temp, rdx_temp); |
665 | |
666 // live at this point: | |
667 // - rbx_klass: klass required by the target method | |
668 // - rdx_temp: argument klass to test | |
1039
987e948ebbc8
6815692: method handle code needs some cleanup (post-6655638)
jrose
parents:
845
diff
changeset
|
669 // - rcx_recv: adapter method handle |
710 | 670 __ check_klass_subtype(rdx_temp, rbx_klass, rax_argslot, done); |
671 | |
672 // If we get here, the type check failed! | |
673 // Call the wrong_method_type stub, passing the failing argument type in rax. | |
674 Register rax_mtype = rax_argslot; | |
1039
987e948ebbc8
6815692: method handle code needs some cleanup (post-6655638)
jrose
parents:
845
diff
changeset
|
675 __ movl(rax_argslot, rcx_amh_vmargslot); // reload argslot field |
987e948ebbc8
6815692: method handle code needs some cleanup (post-6655638)
jrose
parents:
845
diff
changeset
|
676 __ movptr(rdx_temp, vmarg); |
987e948ebbc8
6815692: method handle code needs some cleanup (post-6655638)
jrose
parents:
845
diff
changeset
|
677 |
2088
8d0b933dda2d
7007377: JSR 292 MethodHandlesTest.testCastFailure fails on SPARC with -Xcomp +DeoptimizeALot
twisti
parents:
1972
diff
changeset
|
678 assert_different_registers(rarg2_required, rdx_temp); |
8d0b933dda2d
7007377: JSR 292 MethodHandlesTest.testCastFailure fails on SPARC with -Xcomp +DeoptimizeALot
twisti
parents:
1972
diff
changeset
|
679 __ load_heap_oop(rarg2_required, rcx_amh_argument); // required class |
8d0b933dda2d
7007377: JSR 292 MethodHandlesTest.testCastFailure fails on SPARC with -Xcomp +DeoptimizeALot
twisti
parents:
1972
diff
changeset
|
680 __ mov( rarg1_actual, rdx_temp); // bad object |
8d0b933dda2d
7007377: JSR 292 MethodHandlesTest.testCastFailure fails on SPARC with -Xcomp +DeoptimizeALot
twisti
parents:
1972
diff
changeset
|
681 __ movl( rarg0_code, (int) Bytecodes::_checkcast); // who is complaining? |
1039
987e948ebbc8
6815692: method handle code needs some cleanup (post-6655638)
jrose
parents:
845
diff
changeset
|
682 __ jump(ExternalAddress(from_interpreted_entry(_raise_exception))); |
710 | 683 |
684 __ bind(done); | |
1039
987e948ebbc8
6815692: method handle code needs some cleanup (post-6655638)
jrose
parents:
845
diff
changeset
|
685 // get the new MH: |
1846 | 686 __ load_heap_oop(rcx_recv, rcx_mh_vmtarget); |
710 | 687 __ jump_to_method_handle_entry(rcx_recv, rdx_temp); |
688 } | |
689 break; | |
690 | |
691 case _adapter_prim_to_prim: | |
692 case _adapter_ref_to_prim: | |
693 // handled completely by optimized cases | |
694 __ stop("init_AdapterMethodHandle should not issue this"); | |
695 break; | |
696 | |
697 case _adapter_opt_i2i: // optimized subcase of adapt_prim_to_prim | |
698 //case _adapter_opt_f2i: // optimized subcase of adapt_prim_to_prim | |
699 case _adapter_opt_l2i: // optimized subcase of adapt_prim_to_prim | |
700 case _adapter_opt_unboxi: // optimized subcase of adapt_ref_to_prim | |
701 { | |
702 // perform an in-place conversion to int or an int subword | |
703 __ movl(rax_argslot, rcx_amh_vmargslot); | |
704 vmarg = __ argument_address(rax_argslot); | |
705 | |
706 switch (ek) { | |
707 case _adapter_opt_i2i: | |
708 __ movl(rdx_temp, vmarg); | |
709 break; | |
710 case _adapter_opt_l2i: | |
711 { | |
712 // just delete the extra slot; on a little-endian machine we keep the first | |
713 __ lea(rax_argslot, __ argument_address(rax_argslot, 1)); | |
714 remove_arg_slots(_masm, -stack_move_unit(), | |
715 rax_argslot, rbx_temp, rdx_temp); | |
1506 | 716 vmarg = Address(rax_argslot, -Interpreter::stackElementSize); |
710 | 717 __ movl(rdx_temp, vmarg); |
718 } | |
719 break; | |
720 case _adapter_opt_unboxi: | |
721 { | |
722 // Load the value up from the heap. | |
723 __ movptr(rdx_temp, vmarg); | |
724 int value_offset = java_lang_boxing_object::value_offset_in_bytes(T_INT); | |
725 #ifdef ASSERT | |
726 for (int bt = T_BOOLEAN; bt < T_INT; bt++) { | |
727 if (is_subword_type(BasicType(bt))) | |
728 assert(value_offset == java_lang_boxing_object::value_offset_in_bytes(BasicType(bt)), ""); | |
729 } | |
730 #endif | |
731 __ null_check(rdx_temp, value_offset); | |
732 __ movl(rdx_temp, Address(rdx_temp, value_offset)); | |
733 // We load this as a word. Because we are little-endian, | |
734 // the low bits will be correct, but the high bits may need cleaning. | |
735 // The vminfo will guide us to clean those bits. | |
736 } | |
737 break; | |
738 default: | |
1304 | 739 ShouldNotReachHere(); |
710 | 740 } |
741 | |
1304 | 742 // Do the requested conversion and store the value. |
710 | 743 Register rbx_vminfo = rbx_temp; |
744 __ movl(rbx_vminfo, rcx_amh_conversion); | |
745 assert(CONV_VMINFO_SHIFT == 0, "preshifted"); | |
746 | |
747 // get the new MH: | |
1846 | 748 __ load_heap_oop(rcx_recv, rcx_mh_vmtarget); |
710 | 749 // (now we are done with the old MH) |
750 | |
751 // original 32-bit vmdata word must be of this form: | |
1135
e66fd840cb6b
6893081: method handle & invokedynamic code needs additional cleanup (post 6815692, 6858164)
twisti
parents:
1133
diff
changeset
|
752 // | MBZ:6 | signBitCount:8 | srcDstTypes:8 | conversionOp:8 | |
e66fd840cb6b
6893081: method handle & invokedynamic code needs additional cleanup (post 6815692, 6858164)
twisti
parents:
1133
diff
changeset
|
753 __ xchgptr(rcx, rbx_vminfo); // free rcx for shifts |
710 | 754 __ shll(rdx_temp /*, rcx*/); |
755 Label zero_extend, done; | |
756 __ testl(rcx, CONV_VMINFO_SIGN_FLAG); | |
1135
e66fd840cb6b
6893081: method handle & invokedynamic code needs additional cleanup (post 6815692, 6858164)
twisti
parents:
1133
diff
changeset
|
757 __ jccb(Assembler::zero, zero_extend); |
710 | 758 |
759 // this path is taken for int->byte, int->short | |
760 __ sarl(rdx_temp /*, rcx*/); | |
1135
e66fd840cb6b
6893081: method handle & invokedynamic code needs additional cleanup (post 6815692, 6858164)
twisti
parents:
1133
diff
changeset
|
761 __ jmpb(done); |
710 | 762 |
763 __ bind(zero_extend); | |
764 // this is taken for int->char | |
765 __ shrl(rdx_temp /*, rcx*/); | |
766 | |
767 __ bind(done); | |
1304 | 768 __ movl(vmarg, rdx_temp); // Store the value. |
1135
e66fd840cb6b
6893081: method handle & invokedynamic code needs additional cleanup (post 6815692, 6858164)
twisti
parents:
1133
diff
changeset
|
769 __ xchgptr(rcx, rbx_vminfo); // restore rcx_recv |
710 | 770 |
771 __ jump_to_method_handle_entry(rcx_recv, rdx_temp); | |
772 } | |
773 break; | |
774 | |
775 case _adapter_opt_i2l: // optimized subcase of adapt_prim_to_prim | |
776 case _adapter_opt_unboxl: // optimized subcase of adapt_ref_to_prim | |
777 { | |
778 // perform an in-place int-to-long or ref-to-long conversion | |
779 __ movl(rax_argslot, rcx_amh_vmargslot); | |
780 | |
781 // on a little-endian machine we keep the first slot and add another after | |
782 __ lea(rax_argslot, __ argument_address(rax_argslot, 1)); | |
783 insert_arg_slots(_masm, stack_move_unit(), _INSERT_INT_MASK, | |
784 rax_argslot, rbx_temp, rdx_temp); | |
1506 | 785 Address vmarg1(rax_argslot, -Interpreter::stackElementSize); |
786 Address vmarg2 = vmarg1.plus_disp(Interpreter::stackElementSize); | |
710 | 787 |
788 switch (ek) { | |
789 case _adapter_opt_i2l: | |
790 { | |
1293
51db1e4b379d
6932536: JSR 292 modified JDK MethodHandlesTest fails on x86_64
twisti
parents:
1277
diff
changeset
|
791 #ifdef _LP64 |
51db1e4b379d
6932536: JSR 292 modified JDK MethodHandlesTest fails on x86_64
twisti
parents:
1277
diff
changeset
|
792 __ movslq(rdx_temp, vmarg1); // Load sign-extended |
51db1e4b379d
6932536: JSR 292 modified JDK MethodHandlesTest fails on x86_64
twisti
parents:
1277
diff
changeset
|
793 __ movq(vmarg1, rdx_temp); // Store into first slot |
51db1e4b379d
6932536: JSR 292 modified JDK MethodHandlesTest fails on x86_64
twisti
parents:
1277
diff
changeset
|
794 #else |
710 | 795 __ movl(rdx_temp, vmarg1); |
1293
51db1e4b379d
6932536: JSR 292 modified JDK MethodHandlesTest fails on x86_64
twisti
parents:
1277
diff
changeset
|
796 __ sarl(rdx_temp, BitsPerInt - 1); // __ extend_sign() |
710 | 797 __ movl(vmarg2, rdx_temp); // store second word |
1293
51db1e4b379d
6932536: JSR 292 modified JDK MethodHandlesTest fails on x86_64
twisti
parents:
1277
diff
changeset
|
798 #endif |
710 | 799 } |
800 break; | |
801 case _adapter_opt_unboxl: | |
802 { | |
803 // Load the value up from the heap. | |
804 __ movptr(rdx_temp, vmarg1); | |
805 int value_offset = java_lang_boxing_object::value_offset_in_bytes(T_LONG); | |
806 assert(value_offset == java_lang_boxing_object::value_offset_in_bytes(T_DOUBLE), ""); | |
807 __ null_check(rdx_temp, value_offset); | |
1293
51db1e4b379d
6932536: JSR 292 modified JDK MethodHandlesTest fails on x86_64
twisti
parents:
1277
diff
changeset
|
808 #ifdef _LP64 |
51db1e4b379d
6932536: JSR 292 modified JDK MethodHandlesTest fails on x86_64
twisti
parents:
1277
diff
changeset
|
809 __ movq(rbx_temp, Address(rdx_temp, value_offset)); |
51db1e4b379d
6932536: JSR 292 modified JDK MethodHandlesTest fails on x86_64
twisti
parents:
1277
diff
changeset
|
810 __ movq(vmarg1, rbx_temp); |
51db1e4b379d
6932536: JSR 292 modified JDK MethodHandlesTest fails on x86_64
twisti
parents:
1277
diff
changeset
|
811 #else |
710 | 812 __ movl(rbx_temp, Address(rdx_temp, value_offset + 0*BytesPerInt)); |
813 __ movl(rdx_temp, Address(rdx_temp, value_offset + 1*BytesPerInt)); | |
814 __ movl(vmarg1, rbx_temp); | |
815 __ movl(vmarg2, rdx_temp); | |
1293
51db1e4b379d
6932536: JSR 292 modified JDK MethodHandlesTest fails on x86_64
twisti
parents:
1277
diff
changeset
|
816 #endif |
710 | 817 } |
818 break; | |
819 default: | |
1304 | 820 ShouldNotReachHere(); |
710 | 821 } |
822 | |
1846 | 823 __ load_heap_oop(rcx_recv, rcx_mh_vmtarget); |
710 | 824 __ jump_to_method_handle_entry(rcx_recv, rdx_temp); |
825 } | |
826 break; | |
827 | |
828 case _adapter_opt_f2d: // optimized subcase of adapt_prim_to_prim | |
829 case _adapter_opt_d2f: // optimized subcase of adapt_prim_to_prim | |
830 { | |
831 // perform an in-place floating primitive conversion | |
832 __ movl(rax_argslot, rcx_amh_vmargslot); | |
833 __ lea(rax_argslot, __ argument_address(rax_argslot, 1)); | |
834 if (ek == _adapter_opt_f2d) { | |
835 insert_arg_slots(_masm, stack_move_unit(), _INSERT_INT_MASK, | |
836 rax_argslot, rbx_temp, rdx_temp); | |
837 } | |
1506 | 838 Address vmarg(rax_argslot, -Interpreter::stackElementSize); |
710 | 839 |
840 #ifdef _LP64 | |
841 if (ek == _adapter_opt_f2d) { | |
842 __ movflt(xmm0, vmarg); | |
843 __ cvtss2sd(xmm0, xmm0); | |
844 __ movdbl(vmarg, xmm0); | |
845 } else { | |
846 __ movdbl(xmm0, vmarg); | |
847 __ cvtsd2ss(xmm0, xmm0); | |
848 __ movflt(vmarg, xmm0); | |
849 } | |
850 #else //_LP64 | |
851 if (ek == _adapter_opt_f2d) { | |
852 __ fld_s(vmarg); // load float to ST0 | |
853 __ fstp_s(vmarg); // store single | |
1304 | 854 } else { |
710 | 855 __ fld_d(vmarg); // load double to ST0 |
856 __ fstp_s(vmarg); // store single | |
857 } | |
858 #endif //_LP64 | |
859 | |
860 if (ek == _adapter_opt_d2f) { | |
861 remove_arg_slots(_masm, -stack_move_unit(), | |
862 rax_argslot, rbx_temp, rdx_temp); | |
863 } | |
864 | |
1846 | 865 __ load_heap_oop(rcx_recv, rcx_mh_vmtarget); |
710 | 866 __ jump_to_method_handle_entry(rcx_recv, rdx_temp); |
867 } | |
868 break; | |
869 | |
870 case _adapter_prim_to_ref: | |
871 __ unimplemented(entry_name(ek)); // %%% FIXME: NYI | |
872 break; | |
873 | |
874 case _adapter_swap_args: | |
875 case _adapter_rot_args: | |
876 // handled completely by optimized cases | |
877 __ stop("init_AdapterMethodHandle should not issue this"); | |
878 break; | |
879 | |
880 case _adapter_opt_swap_1: | |
881 case _adapter_opt_swap_2: | |
882 case _adapter_opt_rot_1_up: | |
883 case _adapter_opt_rot_1_down: | |
884 case _adapter_opt_rot_2_up: | |
885 case _adapter_opt_rot_2_down: | |
886 { | |
1304 | 887 int swap_bytes = 0, rotate = 0; |
888 get_ek_adapter_opt_swap_rot_info(ek, swap_bytes, rotate); | |
710 | 889 |
890 // 'argslot' is the position of the first argument to swap | |
891 __ movl(rax_argslot, rcx_amh_vmargslot); | |
892 __ lea(rax_argslot, __ argument_address(rax_argslot)); | |
893 | |
894 // 'vminfo' is the second | |
895 Register rbx_destslot = rbx_temp; | |
896 __ movl(rbx_destslot, rcx_amh_conversion); | |
897 assert(CONV_VMINFO_SHIFT == 0, "preshifted"); | |
898 __ andl(rbx_destslot, CONV_VMINFO_MASK); | |
899 __ lea(rbx_destslot, __ argument_address(rbx_destslot)); | |
900 DEBUG_ONLY(verify_argslot(_masm, rbx_destslot, "swap point must fall within current frame")); | |
901 | |
902 if (!rotate) { | |
903 for (int i = 0; i < swap_bytes; i += wordSize) { | |
904 __ movptr(rdx_temp, Address(rax_argslot , i)); | |
905 __ push(rdx_temp); | |
906 __ movptr(rdx_temp, Address(rbx_destslot, i)); | |
907 __ movptr(Address(rax_argslot, i), rdx_temp); | |
908 __ pop(rdx_temp); | |
909 __ movptr(Address(rbx_destslot, i), rdx_temp); | |
910 } | |
911 } else { | |
912 // push the first chunk, which is going to get overwritten | |
913 for (int i = swap_bytes; (i -= wordSize) >= 0; ) { | |
914 __ movptr(rdx_temp, Address(rax_argslot, i)); | |
915 __ push(rdx_temp); | |
916 } | |
917 | |
918 if (rotate > 0) { | |
919 // rotate upward | |
920 __ subptr(rax_argslot, swap_bytes); | |
921 #ifdef ASSERT | |
922 { | |
923 // Verify that argslot > destslot, by at least swap_bytes. | |
924 Label L_ok; | |
925 __ cmpptr(rax_argslot, rbx_destslot); | |
1135
e66fd840cb6b
6893081: method handle & invokedynamic code needs additional cleanup (post 6815692, 6858164)
twisti
parents:
1133
diff
changeset
|
926 __ jccb(Assembler::aboveEqual, L_ok); |
710 | 927 __ stop("source must be above destination (upward rotation)"); |
928 __ bind(L_ok); | |
929 } | |
930 #endif | |
931 // work argslot down to destslot, copying contiguous data upwards | |
932 // pseudo-code: | |
933 // rax = src_addr - swap_bytes | |
934 // rbx = dest_addr | |
935 // while (rax >= rbx) *(rax + swap_bytes) = *(rax + 0), rax--; | |
936 Label loop; | |
937 __ bind(loop); | |
938 __ movptr(rdx_temp, Address(rax_argslot, 0)); | |
939 __ movptr(Address(rax_argslot, swap_bytes), rdx_temp); | |
940 __ addptr(rax_argslot, -wordSize); | |
941 __ cmpptr(rax_argslot, rbx_destslot); | |
1135
e66fd840cb6b
6893081: method handle & invokedynamic code needs additional cleanup (post 6815692, 6858164)
twisti
parents:
1133
diff
changeset
|
942 __ jccb(Assembler::aboveEqual, loop); |
710 | 943 } else { |
944 __ addptr(rax_argslot, swap_bytes); | |
945 #ifdef ASSERT | |
946 { | |
947 // Verify that argslot < destslot, by at least swap_bytes. | |
948 Label L_ok; | |
949 __ cmpptr(rax_argslot, rbx_destslot); | |
1135
e66fd840cb6b
6893081: method handle & invokedynamic code needs additional cleanup (post 6815692, 6858164)
twisti
parents:
1133
diff
changeset
|
950 __ jccb(Assembler::belowEqual, L_ok); |
710 | 951 __ stop("source must be below destination (downward rotation)"); |
952 __ bind(L_ok); | |
953 } | |
954 #endif | |
955 // work argslot up to destslot, copying contiguous data downwards | |
956 // pseudo-code: | |
957 // rax = src_addr + swap_bytes | |
958 // rbx = dest_addr | |
959 // while (rax <= rbx) *(rax - swap_bytes) = *(rax + 0), rax++; | |
960 Label loop; | |
961 __ bind(loop); | |
962 __ movptr(rdx_temp, Address(rax_argslot, 0)); | |
963 __ movptr(Address(rax_argslot, -swap_bytes), rdx_temp); | |
964 __ addptr(rax_argslot, wordSize); | |
965 __ cmpptr(rax_argslot, rbx_destslot); | |
1135
e66fd840cb6b
6893081: method handle & invokedynamic code needs additional cleanup (post 6815692, 6858164)
twisti
parents:
1133
diff
changeset
|
966 __ jccb(Assembler::belowEqual, loop); |
710 | 967 } |
968 | |
969 // pop the original first chunk into the destination slot, now free | |
970 for (int i = 0; i < swap_bytes; i += wordSize) { | |
971 __ pop(rdx_temp); | |
972 __ movptr(Address(rbx_destslot, i), rdx_temp); | |
973 } | |
974 } | |
975 | |
1846 | 976 __ load_heap_oop(rcx_recv, rcx_mh_vmtarget); |
710 | 977 __ jump_to_method_handle_entry(rcx_recv, rdx_temp); |
978 } | |
979 break; | |
980 | |
981 case _adapter_dup_args: | |
982 { | |
983 // 'argslot' is the position of the first argument to duplicate | |
984 __ movl(rax_argslot, rcx_amh_vmargslot); | |
985 __ lea(rax_argslot, __ argument_address(rax_argslot)); | |
986 | |
987 // 'stack_move' is negative number of words to duplicate | |
988 Register rdx_stack_move = rdx_temp; | |
1293
51db1e4b379d
6932536: JSR 292 modified JDK MethodHandlesTest fails on x86_64
twisti
parents:
1277
diff
changeset
|
989 __ movl2ptr(rdx_stack_move, rcx_amh_conversion); |
51db1e4b379d
6932536: JSR 292 modified JDK MethodHandlesTest fails on x86_64
twisti
parents:
1277
diff
changeset
|
990 __ sarptr(rdx_stack_move, CONV_STACK_MOVE_SHIFT); |
710 | 991 |
992 int argslot0_num = 0; | |
993 Address argslot0 = __ argument_address(RegisterOrConstant(argslot0_num)); | |
994 assert(argslot0.base() == rsp, ""); | |
995 int pre_arg_size = argslot0.disp(); | |
996 assert(pre_arg_size % wordSize == 0, ""); | |
997 assert(pre_arg_size > 0, "must include PC"); | |
998 | |
999 // remember the old rsp+1 (argslot[0]) | |
1000 Register rbx_oldarg = rbx_temp; | |
1001 __ lea(rbx_oldarg, argslot0); | |
1002 | |
1003 // move rsp down to make room for dups | |
1004 __ lea(rsp, Address(rsp, rdx_stack_move, Address::times_ptr)); | |
1005 | |
1006 // compute the new rsp+1 (argslot[0]) | |
1007 Register rdx_newarg = rdx_temp; | |
1008 __ lea(rdx_newarg, argslot0); | |
1009 | |
1010 __ push(rdi); // need a temp | |
1011 // (preceding push must be done after arg addresses are taken!) | |
1012 | |
1013 // pull down the pre_arg_size data (PC) | |
1014 for (int i = -pre_arg_size; i < 0; i += wordSize) { | |
1015 __ movptr(rdi, Address(rbx_oldarg, i)); | |
1016 __ movptr(Address(rdx_newarg, i), rdi); | |
1017 } | |
1018 | |
1019 // copy from rax_argslot[0...] down to new_rsp[1...] | |
1020 // pseudo-code: | |
1021 // rbx = old_rsp+1 | |
1022 // rdx = new_rsp+1 | |
1023 // rax = argslot | |
1024 // while (rdx < rbx) *rdx++ = *rax++ | |
1025 Label loop; | |
1026 __ bind(loop); | |
1027 __ movptr(rdi, Address(rax_argslot, 0)); | |
1028 __ movptr(Address(rdx_newarg, 0), rdi); | |
1029 __ addptr(rax_argslot, wordSize); | |
1030 __ addptr(rdx_newarg, wordSize); | |
1031 __ cmpptr(rdx_newarg, rbx_oldarg); | |
1135
e66fd840cb6b
6893081: method handle & invokedynamic code needs additional cleanup (post 6815692, 6858164)
twisti
parents:
1133
diff
changeset
|
1032 __ jccb(Assembler::less, loop); |
710 | 1033 |
1034 __ pop(rdi); // restore temp | |
1035 | |
1846 | 1036 __ load_heap_oop(rcx_recv, rcx_mh_vmtarget); |
710 | 1037 __ jump_to_method_handle_entry(rcx_recv, rdx_temp); |
1038 } | |
1039 break; | |
1040 | |
1041 case _adapter_drop_args: | |
1042 { | |
1043 // 'argslot' is the position of the first argument to nuke | |
1044 __ movl(rax_argslot, rcx_amh_vmargslot); | |
1045 __ lea(rax_argslot, __ argument_address(rax_argslot)); | |
1046 | |
1047 __ push(rdi); // need a temp | |
1048 // (must do previous push after argslot address is taken) | |
1049 | |
1050 // 'stack_move' is number of words to drop | |
1051 Register rdi_stack_move = rdi; | |
1293
51db1e4b379d
6932536: JSR 292 modified JDK MethodHandlesTest fails on x86_64
twisti
parents:
1277
diff
changeset
|
1052 __ movl2ptr(rdi_stack_move, rcx_amh_conversion); |
51db1e4b379d
6932536: JSR 292 modified JDK MethodHandlesTest fails on x86_64
twisti
parents:
1277
diff
changeset
|
1053 __ sarptr(rdi_stack_move, CONV_STACK_MOVE_SHIFT); |
710 | 1054 remove_arg_slots(_masm, rdi_stack_move, |
1055 rax_argslot, rbx_temp, rdx_temp); | |
1056 | |
1057 __ pop(rdi); // restore temp | |
1058 | |
1846 | 1059 __ load_heap_oop(rcx_recv, rcx_mh_vmtarget); |
710 | 1060 __ jump_to_method_handle_entry(rcx_recv, rdx_temp); |
1061 } | |
1062 break; | |
1063 | |
1064 case _adapter_collect_args: | |
1065 __ unimplemented(entry_name(ek)); // %%% FIXME: NYI | |
1066 break; | |
1067 | |
1068 case _adapter_spread_args: | |
1069 // handled completely by optimized cases | |
1070 __ stop("init_AdapterMethodHandle should not issue this"); | |
1071 break; | |
1072 | |
1073 case _adapter_opt_spread_0: | |
1074 case _adapter_opt_spread_1: | |
1075 case _adapter_opt_spread_more: | |
1076 { | |
1077 // spread an array out into a group of arguments | |
1304 | 1078 int length_constant = get_ek_adapter_opt_spread_info(ek); |
710 | 1079 |
1080 // find the address of the array argument | |
1081 __ movl(rax_argslot, rcx_amh_vmargslot); | |
1082 __ lea(rax_argslot, __ argument_address(rax_argslot)); | |
1083 | |
1084 // grab some temps | |
1085 { __ push(rsi); __ push(rdi); } | |
1086 // (preceding pushes must be done after argslot address is taken!) | |
1087 #define UNPUSH_RSI_RDI \ | |
1088 { __ pop(rdi); __ pop(rsi); } | |
1089 | |
1090 // arx_argslot points both to the array and to the first output arg | |
1091 vmarg = Address(rax_argslot, 0); | |
1092 | |
1093 // Get the array value. | |
1094 Register rsi_array = rsi; | |
1095 Register rdx_array_klass = rdx_temp; | |
1096 BasicType elem_type = T_OBJECT; | |
1097 int length_offset = arrayOopDesc::length_offset_in_bytes(); | |
1098 int elem0_offset = arrayOopDesc::base_offset_in_bytes(elem_type); | |
1099 __ movptr(rsi_array, vmarg); | |
1100 Label skip_array_check; | |
1101 if (length_constant == 0) { | |
1102 __ testptr(rsi_array, rsi_array); | |
1103 __ jcc(Assembler::zero, skip_array_check); | |
1104 } | |
1105 __ null_check(rsi_array, oopDesc::klass_offset_in_bytes()); | |
1106 __ load_klass(rdx_array_klass, rsi_array); | |
1107 | |
1108 // Check the array type. | |
1109 Register rbx_klass = rbx_temp; | |
1846 | 1110 __ load_heap_oop(rbx_klass, rcx_amh_argument); // this is a Class object! |
1111 __ load_heap_oop(rbx_klass, Address(rbx_klass, java_lang_Class::klass_offset_in_bytes())); | |
710 | 1112 |
1113 Label ok_array_klass, bad_array_klass, bad_array_length; | |
1114 __ check_klass_subtype(rdx_array_klass, rbx_klass, rdi, ok_array_klass); | |
1115 // If we get here, the type check failed! | |
1116 __ jmp(bad_array_klass); | |
1117 __ bind(ok_array_klass); | |
1118 | |
1119 // Check length. | |
1120 if (length_constant >= 0) { | |
1121 __ cmpl(Address(rsi_array, length_offset), length_constant); | |
1122 } else { | |
1123 Register rbx_vminfo = rbx_temp; | |
1124 __ movl(rbx_vminfo, rcx_amh_conversion); | |
1125 assert(CONV_VMINFO_SHIFT == 0, "preshifted"); | |
1126 __ andl(rbx_vminfo, CONV_VMINFO_MASK); | |
1127 __ cmpl(rbx_vminfo, Address(rsi_array, length_offset)); | |
1128 } | |
1129 __ jcc(Assembler::notEqual, bad_array_length); | |
1130 | |
1131 Register rdx_argslot_limit = rdx_temp; | |
1132 | |
1133 // Array length checks out. Now insert any required stack slots. | |
1134 if (length_constant == -1) { | |
1135 // Form a pointer to the end of the affected region. | |
1506 | 1136 __ lea(rdx_argslot_limit, Address(rax_argslot, Interpreter::stackElementSize)); |
710 | 1137 // 'stack_move' is negative number of words to insert |
1138 Register rdi_stack_move = rdi; | |
1293
51db1e4b379d
6932536: JSR 292 modified JDK MethodHandlesTest fails on x86_64
twisti
parents:
1277
diff
changeset
|
1139 __ movl2ptr(rdi_stack_move, rcx_amh_conversion); |
51db1e4b379d
6932536: JSR 292 modified JDK MethodHandlesTest fails on x86_64
twisti
parents:
1277
diff
changeset
|
1140 __ sarptr(rdi_stack_move, CONV_STACK_MOVE_SHIFT); |
710 | 1141 Register rsi_temp = rsi_array; // spill this |
1142 insert_arg_slots(_masm, rdi_stack_move, -1, | |
1143 rax_argslot, rbx_temp, rsi_temp); | |
1144 // reload the array (since rsi was killed) | |
1145 __ movptr(rsi_array, vmarg); | |
1146 } else if (length_constant > 1) { | |
1147 int arg_mask = 0; | |
1148 int new_slots = (length_constant - 1); | |
1149 for (int i = 0; i < new_slots; i++) { | |
1150 arg_mask <<= 1; | |
1151 arg_mask |= _INSERT_REF_MASK; | |
1152 } | |
1153 insert_arg_slots(_masm, new_slots * stack_move_unit(), arg_mask, | |
1154 rax_argslot, rbx_temp, rdx_temp); | |
1155 } else if (length_constant == 1) { | |
1156 // no stack resizing required | |
1157 } else if (length_constant == 0) { | |
1158 remove_arg_slots(_masm, -stack_move_unit(), | |
1159 rax_argslot, rbx_temp, rdx_temp); | |
1160 } | |
1161 | |
1162 // Copy from the array to the new slots. | |
1163 // Note: Stack change code preserves integrity of rax_argslot pointer. | |
1164 // So even after slot insertions, rax_argslot still points to first argument. | |
1165 if (length_constant == -1) { | |
1166 // [rax_argslot, rdx_argslot_limit) is the area we are inserting into. | |
1167 Register rsi_source = rsi_array; | |
1168 __ lea(rsi_source, Address(rsi_array, elem0_offset)); | |
1169 Label loop; | |
1170 __ bind(loop); | |
1171 __ movptr(rbx_temp, Address(rsi_source, 0)); | |
1172 __ movptr(Address(rax_argslot, 0), rbx_temp); | |
1173 __ addptr(rsi_source, type2aelembytes(elem_type)); | |
1506 | 1174 __ addptr(rax_argslot, Interpreter::stackElementSize); |
710 | 1175 __ cmpptr(rax_argslot, rdx_argslot_limit); |
1135
e66fd840cb6b
6893081: method handle & invokedynamic code needs additional cleanup (post 6815692, 6858164)
twisti
parents:
1133
diff
changeset
|
1176 __ jccb(Assembler::less, loop); |
710 | 1177 } else if (length_constant == 0) { |
1178 __ bind(skip_array_check); | |
1179 // nothing to copy | |
1180 } else { | |
1181 int elem_offset = elem0_offset; | |
1182 int slot_offset = 0; | |
1183 for (int index = 0; index < length_constant; index++) { | |
1184 __ movptr(rbx_temp, Address(rsi_array, elem_offset)); | |
1185 __ movptr(Address(rax_argslot, slot_offset), rbx_temp); | |
1186 elem_offset += type2aelembytes(elem_type); | |
1506 | 1187 slot_offset += Interpreter::stackElementSize; |
710 | 1188 } |
1189 } | |
1190 | |
1191 // Arguments are spread. Move to next method handle. | |
1192 UNPUSH_RSI_RDI; | |
1846 | 1193 __ load_heap_oop(rcx_recv, rcx_mh_vmtarget); |
710 | 1194 __ jump_to_method_handle_entry(rcx_recv, rdx_temp); |
1195 | |
1196 __ bind(bad_array_klass); | |
1197 UNPUSH_RSI_RDI; | |
2088
8d0b933dda2d
7007377: JSR 292 MethodHandlesTest.testCastFailure fails on SPARC with -Xcomp +DeoptimizeALot
twisti
parents:
1972
diff
changeset
|
1198 assert(!vmarg.uses(rarg2_required), "must be different registers"); |
8d0b933dda2d
7007377: JSR 292 MethodHandlesTest.testCastFailure fails on SPARC with -Xcomp +DeoptimizeALot
twisti
parents:
1972
diff
changeset
|
1199 __ movptr(rarg2_required, Address(rdx_array_klass, java_mirror_offset)); // required type |
8d0b933dda2d
7007377: JSR 292 MethodHandlesTest.testCastFailure fails on SPARC with -Xcomp +DeoptimizeALot
twisti
parents:
1972
diff
changeset
|
1200 __ movptr(rarg1_actual, vmarg); // bad array |
8d0b933dda2d
7007377: JSR 292 MethodHandlesTest.testCastFailure fails on SPARC with -Xcomp +DeoptimizeALot
twisti
parents:
1972
diff
changeset
|
1201 __ movl( rarg0_code, (int) Bytecodes::_aaload); // who is complaining? |
1039
987e948ebbc8
6815692: method handle code needs some cleanup (post-6655638)
jrose
parents:
845
diff
changeset
|
1202 __ jump(ExternalAddress(from_interpreted_entry(_raise_exception))); |
710 | 1203 |
1204 __ bind(bad_array_length); | |
1205 UNPUSH_RSI_RDI; | |
2088
8d0b933dda2d
7007377: JSR 292 MethodHandlesTest.testCastFailure fails on SPARC with -Xcomp +DeoptimizeALot
twisti
parents:
1972
diff
changeset
|
1206 assert(!vmarg.uses(rarg2_required), "must be different registers"); |
8d0b933dda2d
7007377: JSR 292 MethodHandlesTest.testCastFailure fails on SPARC with -Xcomp +DeoptimizeALot
twisti
parents:
1972
diff
changeset
|
1207 __ mov (rarg2_required, rcx_recv); // AMH requiring a certain length |
8d0b933dda2d
7007377: JSR 292 MethodHandlesTest.testCastFailure fails on SPARC with -Xcomp +DeoptimizeALot
twisti
parents:
1972
diff
changeset
|
1208 __ movptr(rarg1_actual, vmarg); // bad array |
8d0b933dda2d
7007377: JSR 292 MethodHandlesTest.testCastFailure fails on SPARC with -Xcomp +DeoptimizeALot
twisti
parents:
1972
diff
changeset
|
1209 __ movl( rarg0_code, (int) Bytecodes::_arraylength); // who is complaining? |
1039
987e948ebbc8
6815692: method handle code needs some cleanup (post-6655638)
jrose
parents:
845
diff
changeset
|
1210 __ jump(ExternalAddress(from_interpreted_entry(_raise_exception))); |
710 | 1211 |
1212 #undef UNPUSH_RSI_RDI | |
1213 } | |
1214 break; | |
1215 | |
1216 case _adapter_flyby: | |
1217 case _adapter_ricochet: | |
1218 __ unimplemented(entry_name(ek)); // %%% FIXME: NYI | |
1219 break; | |
1220 | |
1221 default: ShouldNotReachHere(); | |
1222 } | |
1223 __ hlt(); | |
1224 | |
1225 address me_cookie = MethodHandleEntry::start_compiled_entry(_masm, interp_entry); | |
1226 __ unimplemented(entry_name(ek)); // %%% FIXME: NYI | |
1227 | |
1228 init_entry(ek, MethodHandleEntry::finish_compiled_entry(_masm, me_cookie)); | |
1229 } |