annotate src/cpu/sparc/vm/methodHandles_sparc.cpp @ 4114:6729bbc1fcd6

7003454: order constants in constant table by number of references in code Reviewed-by: kvn, never, bdelsart
author twisti
date Wed, 16 Nov 2011 01:39:50 -0800
parents 44ce519bc3d1
children 04b9a2566eec 069ab3f976d3
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
710
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents:
diff changeset
1 /*
2116
d810e9a3fc33 7010180: JSR 292 InvokeDynamicPrintArgs fails with: assert(_adapter == NULL) failed: init'd to NULL
twisti
parents: 2088
diff changeset
2 * Copyright (c) 2008, 2011, Oracle and/or its affiliates. All rights reserved.
710
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents:
diff changeset
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents:
diff changeset
4 *
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents:
diff changeset
5 * This code is free software; you can redistribute it and/or modify it
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents:
diff changeset
6 * under the terms of the GNU General Public License version 2 only, as
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents:
diff changeset
7 * published by the Free Software Foundation.
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents:
diff changeset
8 *
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents:
diff changeset
9 * This code is distributed in the hope that it will be useful, but WITHOUT
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents:
diff changeset
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents:
diff changeset
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents:
diff changeset
12 * version 2 for more details (a copy is included in the LICENSE file that
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents:
diff changeset
13 * accompanied this code).
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents:
diff changeset
14 *
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents:
diff changeset
15 * You should have received a copy of the GNU General Public License version
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents:
diff changeset
16 * 2 along with this work; if not, write to the Free Software Foundation,
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents:
diff changeset
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents:
diff changeset
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
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents:
diff changeset
22 *
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents:
diff changeset
23 */
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents:
diff changeset
24
1972
f95d63e2154a 6989984: Use standard include model for Hospot
stefank
parents: 1916
diff changeset
25 #include "precompiled.hpp"
f95d63e2154a 6989984: Use standard include model for Hospot
stefank
parents: 1916
diff changeset
26 #include "interpreter/interpreter.hpp"
f95d63e2154a 6989984: Use standard include model for Hospot
stefank
parents: 1916
diff changeset
27 #include "memory/allocation.inline.hpp"
f95d63e2154a 6989984: Use standard include model for Hospot
stefank
parents: 1916
diff changeset
28 #include "prims/methodHandles.hpp"
710
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents:
diff changeset
29
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents:
diff changeset
30 #define __ _masm->
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents:
diff changeset
31
1849
5beba6174298 6987555: JSR 292 unboxing to a boolean value fails on big-endian SPARC
twisti
parents: 1846
diff changeset
32 #ifdef PRODUCT
5beba6174298 6987555: JSR 292 unboxing to a boolean value fails on big-endian SPARC
twisti
parents: 1846
diff changeset
33 #define BLOCK_COMMENT(str) /* nothing */
5beba6174298 6987555: JSR 292 unboxing to a boolean value fails on big-endian SPARC
twisti
parents: 1846
diff changeset
34 #else
5beba6174298 6987555: JSR 292 unboxing to a boolean value fails on big-endian SPARC
twisti
parents: 1846
diff changeset
35 #define BLOCK_COMMENT(str) __ block_comment(str)
5beba6174298 6987555: JSR 292 unboxing to a boolean value fails on big-endian SPARC
twisti
parents: 1846
diff changeset
36 #endif
5beba6174298 6987555: JSR 292 unboxing to a boolean value fails on big-endian SPARC
twisti
parents: 1846
diff changeset
37
5beba6174298 6987555: JSR 292 unboxing to a boolean value fails on big-endian SPARC
twisti
parents: 1846
diff changeset
38 #define BIND(label) bind(label); BLOCK_COMMENT(#label ":")
5beba6174298 6987555: JSR 292 unboxing to a boolean value fails on big-endian SPARC
twisti
parents: 1846
diff changeset
39
710
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents:
diff changeset
40 address MethodHandleEntry::start_compiled_entry(MacroAssembler* _masm,
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents:
diff changeset
41 address interpreted_entry) {
1503
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
42 // Just before the actual machine code entry point, allocate space
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
43 // for a MethodHandleEntry::Data record, so that we can manage everything
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
44 // from one base pointer.
710
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents:
diff changeset
45 __ align(wordSize);
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents:
diff changeset
46 address target = __ pc() + sizeof(Data);
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents:
diff changeset
47 while (__ pc() < target) {
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents:
diff changeset
48 __ nop();
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents:
diff changeset
49 __ align(wordSize);
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents:
diff changeset
50 }
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents:
diff changeset
51
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents:
diff changeset
52 MethodHandleEntry* me = (MethodHandleEntry*) __ pc();
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents:
diff changeset
53 me->set_end_address(__ pc()); // set a temporary end_address
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents:
diff changeset
54 me->set_from_interpreted_entry(interpreted_entry);
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents:
diff changeset
55 me->set_type_checking_entry(NULL);
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents:
diff changeset
56
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents:
diff changeset
57 return (address) me;
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents:
diff changeset
58 }
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents:
diff changeset
59
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents:
diff changeset
60 MethodHandleEntry* MethodHandleEntry::finish_compiled_entry(MacroAssembler* _masm,
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents:
diff changeset
61 address start_addr) {
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents:
diff changeset
62 MethodHandleEntry* me = (MethodHandleEntry*) start_addr;
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents:
diff changeset
63 assert(me->end_address() == start_addr, "valid ME");
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents:
diff changeset
64
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents:
diff changeset
65 // Fill in the real end_address:
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents:
diff changeset
66 __ align(wordSize);
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents:
diff changeset
67 me->set_end_address(__ pc());
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents:
diff changeset
68
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents:
diff changeset
69 return me;
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents:
diff changeset
70 }
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents:
diff changeset
71
3753
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
72 // stack walking support
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
73
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
74 frame MethodHandles::ricochet_frame_sender(const frame& fr, RegisterMap *map) {
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
75 //RicochetFrame* f = RicochetFrame::from_frame(fr);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
76 // Cf. is_interpreted_frame path of frame::sender
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
77 intptr_t* younger_sp = fr.sp();
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
78 intptr_t* sp = fr.sender_sp();
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
79 map->make_integer_regs_unsaved();
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
80 map->shift_window(sp, younger_sp);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
81 bool this_frame_adjusted_stack = true; // I5_savedSP is live in this RF
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
82 return frame(sp, younger_sp, this_frame_adjusted_stack);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
83 }
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
84
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
85 void MethodHandles::ricochet_frame_oops_do(const frame& fr, OopClosure* blk, const RegisterMap* reg_map) {
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
86 ResourceMark rm;
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
87 RicochetFrame* f = RicochetFrame::from_frame(fr);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
88
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
89 // pick up the argument type descriptor:
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
90 Thread* thread = Thread::current();
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
91 Handle cookie(thread, f->compute_saved_args_layout(true, true));
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
92
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
93 // process fixed part
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
94 blk->do_oop((oop*)f->saved_target_addr());
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
95 blk->do_oop((oop*)f->saved_args_layout_addr());
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
96
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
97 // process variable arguments:
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
98 if (cookie.is_null()) return; // no arguments to describe
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
99
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
100 // the cookie is actually the invokeExact method for my target
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
101 // his argument signature is what I'm interested in
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
102 assert(cookie->is_method(), "");
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
103 methodHandle invoker(thread, methodOop(cookie()));
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
104 assert(invoker->name() == vmSymbols::invokeExact_name(), "must be this kind of method");
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
105 assert(!invoker->is_static(), "must have MH argument");
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
106 int slot_count = invoker->size_of_parameters();
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
107 assert(slot_count >= 1, "must include 'this'");
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
108 intptr_t* base = f->saved_args_base();
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
109 intptr_t* retval = NULL;
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
110 if (f->has_return_value_slot())
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
111 retval = f->return_value_slot_addr();
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
112 int slot_num = slot_count - 1;
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
113 intptr_t* loc = &base[slot_num];
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
114 //blk->do_oop((oop*) loc); // original target, which is irrelevant
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
115 int arg_num = 0;
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
116 for (SignatureStream ss(invoker->signature()); !ss.is_done(); ss.next()) {
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
117 if (ss.at_return_type()) continue;
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
118 BasicType ptype = ss.type();
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
119 if (ptype == T_ARRAY) ptype = T_OBJECT; // fold all refs to T_OBJECT
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
120 assert(ptype >= T_BOOLEAN && ptype <= T_OBJECT, "not array or void");
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
121 slot_num -= type2size[ptype];
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
122 loc = &base[slot_num];
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
123 bool is_oop = (ptype == T_OBJECT && loc != retval);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
124 if (is_oop) blk->do_oop((oop*)loc);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
125 arg_num += 1;
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
126 }
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
127 assert(slot_num == 0, "must have processed all the arguments");
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
128 }
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
129
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
130 // Ricochet Frames
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
131 const Register MethodHandles::RicochetFrame::L1_continuation = L1;
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
132 const Register MethodHandles::RicochetFrame::L2_saved_target = L2;
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
133 const Register MethodHandles::RicochetFrame::L3_saved_args_layout = L3;
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
134 const Register MethodHandles::RicochetFrame::L4_saved_args_base = L4; // cf. Gargs = G4
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
135 const Register MethodHandles::RicochetFrame::L5_conversion = L5;
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
136 #ifdef ASSERT
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
137 const Register MethodHandles::RicochetFrame::L0_magic_number_1 = L0;
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
138 #endif //ASSERT
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
139
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
140 oop MethodHandles::RicochetFrame::compute_saved_args_layout(bool read_cache, bool write_cache) {
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
141 if (read_cache) {
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
142 oop cookie = saved_args_layout();
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
143 if (cookie != NULL) return cookie;
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
144 }
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
145 oop target = saved_target();
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
146 oop mtype = java_lang_invoke_MethodHandle::type(target);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
147 oop mtform = java_lang_invoke_MethodType::form(mtype);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
148 oop cookie = java_lang_invoke_MethodTypeForm::vmlayout(mtform);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
149 if (write_cache) {
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
150 (*saved_args_layout_addr()) = cookie;
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
151 }
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
152 return cookie;
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
153 }
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
154
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
155 void MethodHandles::RicochetFrame::generate_ricochet_blob(MacroAssembler* _masm,
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
156 // output params:
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
157 int* bounce_offset,
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
158 int* exception_offset,
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
159 int* frame_size_in_words) {
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
160 (*frame_size_in_words) = RicochetFrame::frame_size_in_bytes() / wordSize;
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
161
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
162 address start = __ pc();
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
163
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
164 #ifdef ASSERT
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
165 __ illtrap(0); __ illtrap(0); __ illtrap(0);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
166 // here's a hint of something special:
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
167 __ set(MAGIC_NUMBER_1, G0);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
168 __ set(MAGIC_NUMBER_2, G0);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
169 #endif //ASSERT
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
170 __ illtrap(0); // not reached
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
171
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
172 // Return values are in registers.
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
173 // L1_continuation contains a cleanup continuation we must return
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
174 // to.
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
175
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
176 (*bounce_offset) = __ pc() - start;
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
177 BLOCK_COMMENT("ricochet_blob.bounce");
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
178
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
179 if (VerifyMethodHandles) RicochetFrame::verify_clean(_masm);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
180 trace_method_handle(_masm, "ricochet_blob.bounce");
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
181
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
182 __ JMP(L1_continuation, 0);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
183 __ delayed()->nop();
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
184 __ illtrap(0);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
185
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
186 DEBUG_ONLY(__ set(MAGIC_NUMBER_2, G0));
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
187
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
188 (*exception_offset) = __ pc() - start;
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
189 BLOCK_COMMENT("ricochet_blob.exception");
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
190
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
191 // compare this to Interpreter::rethrow_exception_entry, which is parallel code
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
192 // for example, see TemplateInterpreterGenerator::generate_throw_exception
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
193 // Live registers in:
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
194 // Oexception (O0): exception
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
195 // Oissuing_pc (O1): return address/pc that threw exception (ignored, always equal to bounce addr)
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
196 __ verify_oop(Oexception);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
197
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
198 // Take down the frame.
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
199
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
200 // Cf. InterpreterMacroAssembler::remove_activation.
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
201 leave_ricochet_frame(_masm, /*recv_reg=*/ noreg, I5_savedSP, I7);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
202
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
203 // We are done with this activation frame; find out where to go next.
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
204 // The continuation point will be an exception handler, which expects
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
205 // the following registers set up:
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
206 //
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
207 // Oexception: exception
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
208 // Oissuing_pc: the local call that threw exception
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
209 // Other On: garbage
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
210 // In/Ln: the contents of the caller's register window
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
211 //
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
212 // We do the required restore at the last possible moment, because we
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
213 // need to preserve some state across a runtime call.
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
214 // (Remember that the caller activation is unknown--it might not be
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
215 // interpreted, so things like Lscratch are useless in the caller.)
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
216 __ mov(Oexception, Oexception ->after_save()); // get exception in I0 so it will be on O0 after restore
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
217 __ add(I7, frame::pc_return_offset, Oissuing_pc->after_save()); // likewise set I1 to a value local to the caller
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
218 __ call_VM_leaf(L7_thread_cache,
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
219 CAST_FROM_FN_PTR(address, SharedRuntime::exception_handler_for_return_address),
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
220 G2_thread, Oissuing_pc->after_save());
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
221
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
222 // The caller's SP was adjusted upon method entry to accomodate
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
223 // the callee's non-argument locals. Undo that adjustment.
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
224 __ JMP(O0, 0); // return exception handler in caller
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
225 __ delayed()->restore(I5_savedSP, G0, SP);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
226
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
227 // (same old exception object is already in Oexception; see above)
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
228 // Note that an "issuing PC" is actually the next PC after the call
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
229 }
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
230
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
231 void MethodHandles::RicochetFrame::enter_ricochet_frame(MacroAssembler* _masm,
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
232 Register recv_reg,
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
233 Register argv_reg,
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
234 address return_handler) {
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
235 // does not include the __ save()
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
236 assert(argv_reg == Gargs, "");
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
237 Address G3_mh_vmtarget( recv_reg, java_lang_invoke_MethodHandle::vmtarget_offset_in_bytes());
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
238 Address G3_amh_conversion(recv_reg, java_lang_invoke_AdapterMethodHandle::conversion_offset_in_bytes());
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
239
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
240 // Create the RicochetFrame.
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
241 // Unlike on x86 we can store all required information in local
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
242 // registers.
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
243 BLOCK_COMMENT("push RicochetFrame {");
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
244 __ set(ExternalAddress(return_handler), L1_continuation);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
245 __ load_heap_oop(G3_mh_vmtarget, L2_saved_target);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
246 __ mov(G0, L3_saved_args_layout);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
247 __ mov(Gargs, L4_saved_args_base);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
248 __ lduw(G3_amh_conversion, L5_conversion); // 32-bit field
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
249 // I5, I6, I7 are already set up
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
250 DEBUG_ONLY(__ set((int32_t) MAGIC_NUMBER_1, L0_magic_number_1));
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
251 BLOCK_COMMENT("} RicochetFrame");
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
252 }
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
253
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
254 void MethodHandles::RicochetFrame::leave_ricochet_frame(MacroAssembler* _masm,
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
255 Register recv_reg,
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
256 Register new_sp_reg,
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
257 Register sender_pc_reg) {
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
258 assert(new_sp_reg == I5_savedSP, "exact_sender_sp already in place");
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
259 assert(sender_pc_reg == I7, "in a fixed place");
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
260 // does not include the __ ret() & __ restore()
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
261 assert_different_registers(recv_reg, new_sp_reg, sender_pc_reg);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
262 // Take down the frame.
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
263 // Cf. InterpreterMacroAssembler::remove_activation.
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
264 BLOCK_COMMENT("end_ricochet_frame {");
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
265 if (recv_reg->is_valid())
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
266 __ mov(L2_saved_target, recv_reg);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
267 BLOCK_COMMENT("} end_ricochet_frame");
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
268 }
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
269
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
270 // Emit code to verify that FP is pointing at a valid ricochet frame.
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
271 #ifdef ASSERT
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
272 enum {
3757
f8c9417e3571 7052219: JSR 292: Crash in ~BufferBlob::MethodHandles adapters
never
parents: 3753
diff changeset
273 ARG_LIMIT = 255, SLOP = 45,
3753
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
274 // use this parameter for checking for garbage stack movements:
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
275 UNREASONABLE_STACK_MOVE = (ARG_LIMIT + SLOP)
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
276 // the slop defends against false alarms due to fencepost errors
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
277 };
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
278
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
279 void MethodHandles::RicochetFrame::verify_clean(MacroAssembler* _masm) {
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
280 // The stack should look like this:
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
281 // ... keep1 | dest=42 | keep2 | magic | handler | magic | recursive args | [RF]
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
282 // Check various invariants.
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
283
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
284 Register O7_temp = O7, O5_temp = O5;
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
285
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
286 Label L_ok_1, L_ok_2, L_ok_3, L_ok_4;
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
287 BLOCK_COMMENT("verify_clean {");
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
288 // Magic numbers must check out:
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
289 __ set((int32_t) MAGIC_NUMBER_1, O7_temp);
3839
3d42f82cd811 7063628: Use cbcond on T4
kvn
parents: 3808
diff changeset
290 __ cmp_and_br_short(O7_temp, L0_magic_number_1, Assembler::equal, Assembler::pt, L_ok_1);
3753
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
291 __ stop("damaged ricochet frame: MAGIC_NUMBER_1 not found");
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
292
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
293 __ BIND(L_ok_1);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
294
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
295 // Arguments pointer must look reasonable:
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
296 #ifdef _LP64
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
297 Register FP_temp = O5_temp;
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
298 __ add(FP, STACK_BIAS, FP_temp);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
299 #else
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
300 Register FP_temp = FP;
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
301 #endif
3839
3d42f82cd811 7063628: Use cbcond on T4
kvn
parents: 3808
diff changeset
302 __ cmp_and_brx_short(L4_saved_args_base, FP_temp, Assembler::greaterEqualUnsigned, Assembler::pt, L_ok_2);
3753
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
303 __ stop("damaged ricochet frame: L4 < FP");
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
304
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
305 __ BIND(L_ok_2);
3781
d83ac25d0304 7055355: JSR 292: crash while throwing WrongMethodTypeException
never
parents: 3757
diff changeset
306 // Disable until we decide on it's fate
d83ac25d0304 7055355: JSR 292: crash while throwing WrongMethodTypeException
never
parents: 3757
diff changeset
307 // __ sub(L4_saved_args_base, UNREASONABLE_STACK_MOVE * Interpreter::stackElementSize, O7_temp);
d83ac25d0304 7055355: JSR 292: crash while throwing WrongMethodTypeException
never
parents: 3757
diff changeset
308 // __ cmp(O7_temp, FP_temp);
d83ac25d0304 7055355: JSR 292: crash while throwing WrongMethodTypeException
never
parents: 3757
diff changeset
309 // __ br(Assembler::lessEqualUnsigned, false, Assembler::pt, L_ok_3);
d83ac25d0304 7055355: JSR 292: crash while throwing WrongMethodTypeException
never
parents: 3757
diff changeset
310 // __ delayed()->nop();
d83ac25d0304 7055355: JSR 292: crash while throwing WrongMethodTypeException
never
parents: 3757
diff changeset
311 // __ stop("damaged ricochet frame: (L4 - UNREASONABLE_STACK_MOVE) > FP");
3753
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
312
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
313 __ BIND(L_ok_3);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
314 extract_conversion_dest_type(_masm, L5_conversion, O7_temp);
3839
3d42f82cd811 7063628: Use cbcond on T4
kvn
parents: 3808
diff changeset
315 __ cmp_and_br_short(O7_temp, T_VOID, Assembler::equal, Assembler::pt, L_ok_4);
3753
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
316 extract_conversion_vminfo(_masm, L5_conversion, O5_temp);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
317 __ ld_ptr(L4_saved_args_base, __ argument_offset(O5_temp, O5_temp), O7_temp);
4114
6729bbc1fcd6 7003454: order constants in constant table by number of references in code
twisti
parents: 4059
diff changeset
318 assert(Assembler::is_simm13(RETURN_VALUE_PLACEHOLDER), "must be simm13");
3839
3d42f82cd811 7063628: Use cbcond on T4
kvn
parents: 3808
diff changeset
319 __ cmp_and_brx_short(O7_temp, (int32_t) RETURN_VALUE_PLACEHOLDER, Assembler::equal, Assembler::pt, L_ok_4);
3753
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
320 __ stop("damaged ricochet frame: RETURN_VALUE_PLACEHOLDER not found");
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
321 __ BIND(L_ok_4);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
322 BLOCK_COMMENT("} verify_clean");
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
323 }
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
324 #endif //ASSERT
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
325
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
326 void MethodHandles::load_klass_from_Class(MacroAssembler* _masm, Register klass_reg, Register temp_reg, Register temp2_reg) {
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
327 if (VerifyMethodHandles)
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
328 verify_klass(_masm, klass_reg, SystemDictionaryHandles::Class_klass(), temp_reg, temp2_reg,
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
329 "AMH argument is a Class");
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
330 __ load_heap_oop(Address(klass_reg, java_lang_Class::klass_offset_in_bytes()), klass_reg);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
331 }
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
332
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
333 void MethodHandles::load_conversion_vminfo(MacroAssembler* _masm, Address conversion_field_addr, Register reg) {
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
334 assert(CONV_VMINFO_SHIFT == 0, "preshifted");
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
335 assert(CONV_VMINFO_MASK == right_n_bits(BitsPerByte), "else change type of following load");
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
336 __ ldub(conversion_field_addr.plus_disp(BytesPerInt - 1), reg);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
337 }
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
338
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
339 void MethodHandles::extract_conversion_vminfo(MacroAssembler* _masm, Register conversion_field_reg, Register reg) {
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
340 assert(CONV_VMINFO_SHIFT == 0, "preshifted");
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
341 __ and3(conversion_field_reg, CONV_VMINFO_MASK, reg);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
342 }
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
343
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
344 void MethodHandles::extract_conversion_dest_type(MacroAssembler* _masm, Register conversion_field_reg, Register reg) {
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
345 __ srl(conversion_field_reg, CONV_DEST_TYPE_SHIFT, reg);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
346 __ and3(reg, 0x0F, reg);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
347 }
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
348
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
349 void MethodHandles::load_stack_move(MacroAssembler* _masm,
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
350 Address G3_amh_conversion,
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
351 Register stack_move_reg) {
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
352 BLOCK_COMMENT("load_stack_move {");
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
353 __ ldsw(G3_amh_conversion, stack_move_reg);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
354 __ sra(stack_move_reg, CONV_STACK_MOVE_SHIFT, stack_move_reg);
4059
44ce519bc3d1 7104960: JSR 292: +VerifyMethodHandles in product JVM can overflow buffer
never
parents: 3905
diff changeset
355 #ifdef ASSERT
3753
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
356 if (VerifyMethodHandles) {
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
357 Label L_ok, L_bad;
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
358 int32_t stack_move_limit = 0x0800; // extra-large
3839
3d42f82cd811 7063628: Use cbcond on T4
kvn
parents: 3808
diff changeset
359 __ cmp_and_br_short(stack_move_reg, stack_move_limit, Assembler::greaterEqual, Assembler::pn, L_bad);
3753
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
360 __ cmp(stack_move_reg, -stack_move_limit);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
361 __ br(Assembler::greater, false, Assembler::pt, L_ok);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
362 __ delayed()->nop();
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
363 __ BIND(L_bad);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
364 __ stop("load_stack_move of garbage value");
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
365 __ BIND(L_ok);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
366 }
4059
44ce519bc3d1 7104960: JSR 292: +VerifyMethodHandles in product JVM can overflow buffer
never
parents: 3905
diff changeset
367 #endif
3753
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
368 BLOCK_COMMENT("} load_stack_move");
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
369 }
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
370
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
371 #ifdef ASSERT
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
372 void MethodHandles::RicochetFrame::verify() const {
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
373 assert(magic_number_1() == MAGIC_NUMBER_1, "");
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
374 if (!Universe::heap()->is_gc_active()) {
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
375 if (saved_args_layout() != NULL) {
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
376 assert(saved_args_layout()->is_method(), "must be valid oop");
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
377 }
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
378 if (saved_target() != NULL) {
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
379 assert(java_lang_invoke_MethodHandle::is_instance(saved_target()), "checking frame value");
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
380 }
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
381 }
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
382 int conv_op = adapter_conversion_op(conversion());
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
383 assert(conv_op == java_lang_invoke_AdapterMethodHandle::OP_COLLECT_ARGS ||
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
384 conv_op == java_lang_invoke_AdapterMethodHandle::OP_FOLD_ARGS ||
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
385 conv_op == java_lang_invoke_AdapterMethodHandle::OP_PRIM_TO_REF,
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
386 "must be a sane conversion");
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
387 if (has_return_value_slot()) {
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
388 assert(*return_value_slot_addr() == RETURN_VALUE_PLACEHOLDER, "");
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
389 }
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
390 }
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
391
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
392 void MethodHandles::verify_argslot(MacroAssembler* _masm, Register argslot_reg, Register temp_reg, const char* error_message) {
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
393 // Verify that argslot lies within (Gargs, FP].
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
394 Label L_ok, L_bad;
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
395 BLOCK_COMMENT("verify_argslot {");
3839
3d42f82cd811 7063628: Use cbcond on T4
kvn
parents: 3808
diff changeset
396 __ cmp_and_brx_short(Gargs, argslot_reg, Assembler::greaterUnsigned, Assembler::pn, L_bad);
3753
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
397 __ add(FP, STACK_BIAS, temp_reg); // STACK_BIAS is zero on !_LP64
3839
3d42f82cd811 7063628: Use cbcond on T4
kvn
parents: 3808
diff changeset
398 __ cmp_and_brx_short(argslot_reg, temp_reg, Assembler::lessEqualUnsigned, Assembler::pt, L_ok);
3753
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
399 __ BIND(L_bad);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
400 __ stop(error_message);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
401 __ BIND(L_ok);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
402 BLOCK_COMMENT("} verify_argslot");
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
403 }
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
404
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
405 void MethodHandles::verify_argslots(MacroAssembler* _masm,
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
406 RegisterOrConstant arg_slots,
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
407 Register arg_slot_base_reg,
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
408 Register temp_reg,
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
409 Register temp2_reg,
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
410 bool negate_argslots,
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
411 const char* error_message) {
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
412 // Verify that [argslot..argslot+size) lies within (Gargs, FP).
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
413 Label L_ok, L_bad;
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
414 BLOCK_COMMENT("verify_argslots {");
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
415 if (negate_argslots) {
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
416 if (arg_slots.is_constant()) {
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
417 arg_slots = -1 * arg_slots.as_constant();
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
418 } else {
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
419 __ neg(arg_slots.as_register(), temp_reg);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
420 arg_slots = temp_reg;
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
421 }
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
422 }
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
423 __ add(arg_slot_base_reg, __ argument_offset(arg_slots, temp_reg), temp_reg);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
424 __ add(FP, STACK_BIAS, temp2_reg); // STACK_BIAS is zero on !_LP64
3839
3d42f82cd811 7063628: Use cbcond on T4
kvn
parents: 3808
diff changeset
425 __ cmp_and_brx_short(temp_reg, temp2_reg, Assembler::greaterUnsigned, Assembler::pn, L_bad);
3753
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
426 // Gargs points to the first word so adjust by BytesPerWord
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
427 __ add(arg_slot_base_reg, BytesPerWord, temp_reg);
3839
3d42f82cd811 7063628: Use cbcond on T4
kvn
parents: 3808
diff changeset
428 __ cmp_and_brx_short(Gargs, temp_reg, Assembler::lessEqualUnsigned, Assembler::pt, L_ok);
3753
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
429 __ BIND(L_bad);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
430 __ stop(error_message);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
431 __ BIND(L_ok);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
432 BLOCK_COMMENT("} verify_argslots");
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
433 }
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
434
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
435 // Make sure that arg_slots has the same sign as the given direction.
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
436 // If (and only if) arg_slots is a assembly-time constant, also allow it to be zero.
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
437 void MethodHandles::verify_stack_move(MacroAssembler* _masm,
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
438 RegisterOrConstant arg_slots, int direction) {
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
439 enum { UNREASONABLE_STACK_MOVE = 256 * 4 }; // limit of 255 arguments
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
440 bool allow_zero = arg_slots.is_constant();
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
441 if (direction == 0) { direction = +1; allow_zero = true; }
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
442 assert(stack_move_unit() == -1, "else add extra checks here");
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
443 if (arg_slots.is_register()) {
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
444 Label L_ok, L_bad;
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
445 BLOCK_COMMENT("verify_stack_move {");
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
446 // __ btst(-stack_move_unit() - 1, arg_slots.as_register()); // no need
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
447 // __ br(Assembler::notZero, false, Assembler::pn, L_bad);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
448 // __ delayed()->nop();
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
449 __ cmp(arg_slots.as_register(), (int32_t) NULL_WORD);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
450 if (direction > 0) {
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
451 __ br(allow_zero ? Assembler::less : Assembler::lessEqual, false, Assembler::pn, L_bad);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
452 __ delayed()->nop();
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
453 __ cmp(arg_slots.as_register(), (int32_t) UNREASONABLE_STACK_MOVE);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
454 __ br(Assembler::less, false, Assembler::pn, L_ok);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
455 __ delayed()->nop();
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
456 } else {
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
457 __ br(allow_zero ? Assembler::greater : Assembler::greaterEqual, false, Assembler::pn, L_bad);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
458 __ delayed()->nop();
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
459 __ cmp(arg_slots.as_register(), (int32_t) -UNREASONABLE_STACK_MOVE);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
460 __ br(Assembler::greater, false, Assembler::pn, L_ok);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
461 __ delayed()->nop();
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
462 }
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
463 __ BIND(L_bad);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
464 if (direction > 0)
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
465 __ stop("assert arg_slots > 0");
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
466 else
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
467 __ stop("assert arg_slots < 0");
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
468 __ BIND(L_ok);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
469 BLOCK_COMMENT("} verify_stack_move");
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
470 } else {
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
471 intptr_t size = arg_slots.as_constant();
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
472 if (direction < 0) size = -size;
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
473 assert(size >= 0, "correct direction of constant move");
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
474 assert(size < UNREASONABLE_STACK_MOVE, "reasonable size of constant move");
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
475 }
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
476 }
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
477
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
478 void MethodHandles::verify_klass(MacroAssembler* _masm,
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
479 Register obj_reg, KlassHandle klass,
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
480 Register temp_reg, Register temp2_reg,
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
481 const char* error_message) {
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
482 oop* klass_addr = klass.raw_value();
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
483 assert(klass_addr >= SystemDictionaryHandles::Object_klass().raw_value() &&
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
484 klass_addr <= SystemDictionaryHandles::Long_klass().raw_value(),
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
485 "must be one of the SystemDictionaryHandles");
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
486 Label L_ok, L_bad;
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
487 BLOCK_COMMENT("verify_klass {");
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
488 __ verify_oop(obj_reg);
3839
3d42f82cd811 7063628: Use cbcond on T4
kvn
parents: 3808
diff changeset
489 __ br_null_short(obj_reg, Assembler::pn, L_bad);
3753
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
490 __ load_klass(obj_reg, temp_reg);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
491 __ set(ExternalAddress(klass_addr), temp2_reg);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
492 __ ld_ptr(Address(temp2_reg, 0), temp2_reg);
3839
3d42f82cd811 7063628: Use cbcond on T4
kvn
parents: 3808
diff changeset
493 __ cmp_and_brx_short(temp_reg, temp2_reg, Assembler::equal, Assembler::pt, L_ok);
3753
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
494 intptr_t super_check_offset = klass->super_check_offset();
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
495 __ ld_ptr(Address(temp_reg, super_check_offset), temp_reg);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
496 __ set(ExternalAddress(klass_addr), temp2_reg);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
497 __ ld_ptr(Address(temp2_reg, 0), temp2_reg);
3839
3d42f82cd811 7063628: Use cbcond on T4
kvn
parents: 3808
diff changeset
498 __ cmp_and_brx_short(temp_reg, temp2_reg, Assembler::equal, Assembler::pt, L_ok);
3753
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
499 __ BIND(L_bad);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
500 __ stop(error_message);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
501 __ BIND(L_ok);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
502 BLOCK_COMMENT("} verify_klass");
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
503 }
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
504 #endif // ASSERT
710
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents:
diff changeset
505
3808
341a57af9b0a 6990212: JSR 292 JVMTI MethodEnter hook is not called for JSR 292 bootstrap and target methods
never
parents: 3781
diff changeset
506
341a57af9b0a 6990212: JSR 292 JVMTI MethodEnter hook is not called for JSR 292 bootstrap and target methods
never
parents: 3781
diff changeset
507 void MethodHandles::jump_from_method_handle(MacroAssembler* _masm, Register method, Register target, Register temp) {
341a57af9b0a 6990212: JSR 292 JVMTI MethodEnter hook is not called for JSR 292 bootstrap and target methods
never
parents: 3781
diff changeset
508 assert(method == G5_method, "interpreter calling convention");
341a57af9b0a 6990212: JSR 292 JVMTI MethodEnter hook is not called for JSR 292 bootstrap and target methods
never
parents: 3781
diff changeset
509 __ verify_oop(method);
341a57af9b0a 6990212: JSR 292 JVMTI MethodEnter hook is not called for JSR 292 bootstrap and target methods
never
parents: 3781
diff changeset
510 __ ld_ptr(G5_method, in_bytes(methodOopDesc::from_interpreted_offset()), target);
341a57af9b0a 6990212: JSR 292 JVMTI MethodEnter hook is not called for JSR 292 bootstrap and target methods
never
parents: 3781
diff changeset
511 if (JvmtiExport::can_post_interpreter_events()) {
341a57af9b0a 6990212: JSR 292 JVMTI MethodEnter hook is not called for JSR 292 bootstrap and target methods
never
parents: 3781
diff changeset
512 // JVMTI events, such as single-stepping, are implemented partly by avoiding running
341a57af9b0a 6990212: JSR 292 JVMTI MethodEnter hook is not called for JSR 292 bootstrap and target methods
never
parents: 3781
diff changeset
513 // compiled code in threads for which the event is enabled. Check here for
341a57af9b0a 6990212: JSR 292 JVMTI MethodEnter hook is not called for JSR 292 bootstrap and target methods
never
parents: 3781
diff changeset
514 // interp_only_mode if these events CAN be enabled.
341a57af9b0a 6990212: JSR 292 JVMTI MethodEnter hook is not called for JSR 292 bootstrap and target methods
never
parents: 3781
diff changeset
515 __ verify_thread();
341a57af9b0a 6990212: JSR 292 JVMTI MethodEnter hook is not called for JSR 292 bootstrap and target methods
never
parents: 3781
diff changeset
516 Label skip_compiled_code;
341a57af9b0a 6990212: JSR 292 JVMTI MethodEnter hook is not called for JSR 292 bootstrap and target methods
never
parents: 3781
diff changeset
517
341a57af9b0a 6990212: JSR 292 JVMTI MethodEnter hook is not called for JSR 292 bootstrap and target methods
never
parents: 3781
diff changeset
518 const Address interp_only(G2_thread, JavaThread::interp_only_mode_offset());
341a57af9b0a 6990212: JSR 292 JVMTI MethodEnter hook is not called for JSR 292 bootstrap and target methods
never
parents: 3781
diff changeset
519 __ ld(interp_only, temp);
341a57af9b0a 6990212: JSR 292 JVMTI MethodEnter hook is not called for JSR 292 bootstrap and target methods
never
parents: 3781
diff changeset
520 __ tst(temp);
341a57af9b0a 6990212: JSR 292 JVMTI MethodEnter hook is not called for JSR 292 bootstrap and target methods
never
parents: 3781
diff changeset
521 __ br(Assembler::notZero, true, Assembler::pn, skip_compiled_code);
341a57af9b0a 6990212: JSR 292 JVMTI MethodEnter hook is not called for JSR 292 bootstrap and target methods
never
parents: 3781
diff changeset
522 __ delayed()->ld_ptr(G5_method, in_bytes(methodOopDesc::interpreter_entry_offset()), target);
341a57af9b0a 6990212: JSR 292 JVMTI MethodEnter hook is not called for JSR 292 bootstrap and target methods
never
parents: 3781
diff changeset
523 __ bind(skip_compiled_code);
341a57af9b0a 6990212: JSR 292 JVMTI MethodEnter hook is not called for JSR 292 bootstrap and target methods
never
parents: 3781
diff changeset
524 }
341a57af9b0a 6990212: JSR 292 JVMTI MethodEnter hook is not called for JSR 292 bootstrap and target methods
never
parents: 3781
diff changeset
525 __ jmp(target, 0);
341a57af9b0a 6990212: JSR 292 JVMTI MethodEnter hook is not called for JSR 292 bootstrap and target methods
never
parents: 3781
diff changeset
526 __ delayed()->nop();
341a57af9b0a 6990212: JSR 292 JVMTI MethodEnter hook is not called for JSR 292 bootstrap and target methods
never
parents: 3781
diff changeset
527 }
341a57af9b0a 6990212: JSR 292 JVMTI MethodEnter hook is not called for JSR 292 bootstrap and target methods
never
parents: 3781
diff changeset
528
341a57af9b0a 6990212: JSR 292 JVMTI MethodEnter hook is not called for JSR 292 bootstrap and target methods
never
parents: 3781
diff changeset
529
710
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents:
diff changeset
530 // Code generation
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents:
diff changeset
531 address MethodHandles::generate_method_handle_interpreter_entry(MacroAssembler* _masm) {
1916
e62345fd6a46 6997459: JSR 292 after 6994093 getting: on return to interpreted call, restored SP is corrupted
twisti
parents: 1911
diff changeset
532 // I5_savedSP/O5_savedSP: sender SP (must preserve)
1503
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
533 // G4 (Gargs): incoming argument list (must preserve)
1916
e62345fd6a46 6997459: JSR 292 after 6994093 getting: on return to interpreted call, restored SP is corrupted
twisti
parents: 1911
diff changeset
534 // G5_method: invoke methodOop
1503
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
535 // G3_method_handle: receiver method handle (must load from sp[MethodTypeForm.vmslots])
1916
e62345fd6a46 6997459: JSR 292 after 6994093 getting: on return to interpreted call, restored SP is corrupted
twisti
parents: 1911
diff changeset
536 // O0, O1, O2, O3, O4: garbage temps, blown away
e62345fd6a46 6997459: JSR 292 after 6994093 getting: on return to interpreted call, restored SP is corrupted
twisti
parents: 1911
diff changeset
537 Register O0_mtype = O0;
1503
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
538 Register O1_scratch = O1;
1911
fff777a71346 6994093: MethodHandle.invokeGeneric needs porting to SPARC
jrose
parents: 1901
diff changeset
539 Register O2_scratch = O2;
fff777a71346 6994093: MethodHandle.invokeGeneric needs porting to SPARC
jrose
parents: 1901
diff changeset
540 Register O3_scratch = O3;
1916
e62345fd6a46 6997459: JSR 292 after 6994093 getting: on return to interpreted call, restored SP is corrupted
twisti
parents: 1911
diff changeset
541 Register O4_argslot = O4;
1911
fff777a71346 6994093: MethodHandle.invokeGeneric needs porting to SPARC
jrose
parents: 1901
diff changeset
542 Register O4_argbase = O4;
1503
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
543
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
544 // emit WrongMethodType path first, to enable back-branch from main path
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
545 Label wrong_method_type;
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
546 __ bind(wrong_method_type);
1911
fff777a71346 6994093: MethodHandle.invokeGeneric needs porting to SPARC
jrose
parents: 1901
diff changeset
547 Label invoke_generic_slow_path;
fff777a71346 6994093: MethodHandle.invokeGeneric needs porting to SPARC
jrose
parents: 1901
diff changeset
548 assert(methodOopDesc::intrinsic_id_size_in_bytes() == sizeof(u1), "");;
fff777a71346 6994093: MethodHandle.invokeGeneric needs porting to SPARC
jrose
parents: 1901
diff changeset
549 __ ldub(Address(G5_method, methodOopDesc::intrinsic_id_offset_in_bytes()), O1_scratch);
fff777a71346 6994093: MethodHandle.invokeGeneric needs porting to SPARC
jrose
parents: 1901
diff changeset
550 __ cmp(O1_scratch, (int) vmIntrinsics::_invokeExact);
fff777a71346 6994093: MethodHandle.invokeGeneric needs porting to SPARC
jrose
parents: 1901
diff changeset
551 __ brx(Assembler::notEqual, false, Assembler::pt, invoke_generic_slow_path);
fff777a71346 6994093: MethodHandle.invokeGeneric needs porting to SPARC
jrose
parents: 1901
diff changeset
552 __ delayed()->nop();
1916
e62345fd6a46 6997459: JSR 292 after 6994093 getting: on return to interpreted call, restored SP is corrupted
twisti
parents: 1911
diff changeset
553 __ mov(O0_mtype, G5_method_type); // required by throw_WrongMethodType
3781
d83ac25d0304 7055355: JSR 292: crash while throwing WrongMethodTypeException
never
parents: 3757
diff changeset
554 __ mov(G3_method_handle, G3_method_handle); // already in this register
d83ac25d0304 7055355: JSR 292: crash while throwing WrongMethodTypeException
never
parents: 3757
diff changeset
555 // O0 will be filled in with JavaThread in stub
d83ac25d0304 7055355: JSR 292: crash while throwing WrongMethodTypeException
never
parents: 3757
diff changeset
556 __ jump_to(AddressLiteral(StubRoutines::throw_WrongMethodTypeException_entry()), O3_scratch);
1503
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
557 __ delayed()->nop();
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
558
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
559 // here's where control starts out:
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
560 __ align(CodeEntryAlignment);
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
561 address entry_point = __ pc();
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
562
1911
fff777a71346 6994093: MethodHandle.invokeGeneric needs porting to SPARC
jrose
parents: 1901
diff changeset
563 // fetch the MethodType from the method handle
3753
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
564 // FIXME: Interpreter should transmit pre-popped stack pointer, to locate base of arg list.
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
565 // This would simplify several touchy bits of code.
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
566 // See 6984712: JSR 292 method handle calls need a clean argument base pointer
1503
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
567 {
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
568 Register tem = G5_method;
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
569 for (jint* pchase = methodOopDesc::method_type_offsets_chain(); (*pchase) != -1; pchase++) {
1916
e62345fd6a46 6997459: JSR 292 after 6994093 getting: on return to interpreted call, restored SP is corrupted
twisti
parents: 1911
diff changeset
570 __ ld_ptr(Address(tem, *pchase), O0_mtype);
e62345fd6a46 6997459: JSR 292 after 6994093 getting: on return to interpreted call, restored SP is corrupted
twisti
parents: 1911
diff changeset
571 tem = O0_mtype; // in case there is another indirection
1503
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
572 }
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
573 }
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
574
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
575 // given the MethodType, find out where the MH argument is buried
2357
8033953d67ff 7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents: 2321
diff changeset
576 __ load_heap_oop(Address(O0_mtype, __ delayed_value(java_lang_invoke_MethodType::form_offset_in_bytes, O1_scratch)), O4_argslot);
8033953d67ff 7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents: 2321
diff changeset
577 __ ldsw( Address(O4_argslot, __ delayed_value(java_lang_invoke_MethodTypeForm::vmslots_offset_in_bytes, O1_scratch)), O4_argslot);
3753
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
578 __ add(__ argument_address(O4_argslot, O4_argslot, 1), O4_argbase);
1911
fff777a71346 6994093: MethodHandle.invokeGeneric needs porting to SPARC
jrose
parents: 1901
diff changeset
579 // Note: argument_address uses its input as a scratch register!
3753
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
580 Address mh_receiver_slot_addr(O4_argbase, -Interpreter::stackElementSize);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
581 __ ld_ptr(mh_receiver_slot_addr, G3_method_handle);
1911
fff777a71346 6994093: MethodHandle.invokeGeneric needs porting to SPARC
jrose
parents: 1901
diff changeset
582
fff777a71346 6994093: MethodHandle.invokeGeneric needs porting to SPARC
jrose
parents: 1901
diff changeset
583 trace_method_handle(_masm, "invokeExact");
fff777a71346 6994093: MethodHandle.invokeGeneric needs porting to SPARC
jrose
parents: 1901
diff changeset
584
1916
e62345fd6a46 6997459: JSR 292 after 6994093 getting: on return to interpreted call, restored SP is corrupted
twisti
parents: 1911
diff changeset
585 __ check_method_handle_type(O0_mtype, G3_method_handle, O1_scratch, wrong_method_type);
3753
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
586
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
587 // Nobody uses the MH receiver slot after this. Make sure.
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
588 DEBUG_ONLY(__ set((int32_t) 0x999999, O1_scratch); __ st_ptr(O1_scratch, mh_receiver_slot_addr));
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
589
1911
fff777a71346 6994093: MethodHandle.invokeGeneric needs porting to SPARC
jrose
parents: 1901
diff changeset
590 __ jump_to_method_handle_entry(G3_method_handle, O1_scratch);
fff777a71346 6994093: MethodHandle.invokeGeneric needs porting to SPARC
jrose
parents: 1901
diff changeset
591
fff777a71346 6994093: MethodHandle.invokeGeneric needs porting to SPARC
jrose
parents: 1901
diff changeset
592 // for invokeGeneric (only), apply argument and result conversions on the fly
fff777a71346 6994093: MethodHandle.invokeGeneric needs porting to SPARC
jrose
parents: 1901
diff changeset
593 __ bind(invoke_generic_slow_path);
fff777a71346 6994093: MethodHandle.invokeGeneric needs porting to SPARC
jrose
parents: 1901
diff changeset
594 #ifdef ASSERT
3753
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
595 if (VerifyMethodHandles) {
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
596 Label L;
1911
fff777a71346 6994093: MethodHandle.invokeGeneric needs porting to SPARC
jrose
parents: 1901
diff changeset
597 __ ldub(Address(G5_method, methodOopDesc::intrinsic_id_offset_in_bytes()), O1_scratch);
fff777a71346 6994093: MethodHandle.invokeGeneric needs porting to SPARC
jrose
parents: 1901
diff changeset
598 __ cmp(O1_scratch, (int) vmIntrinsics::_invokeGeneric);
fff777a71346 6994093: MethodHandle.invokeGeneric needs porting to SPARC
jrose
parents: 1901
diff changeset
599 __ brx(Assembler::equal, false, Assembler::pt, L);
fff777a71346 6994093: MethodHandle.invokeGeneric needs porting to SPARC
jrose
parents: 1901
diff changeset
600 __ delayed()->nop();
fff777a71346 6994093: MethodHandle.invokeGeneric needs porting to SPARC
jrose
parents: 1901
diff changeset
601 __ stop("bad methodOop::intrinsic_id");
fff777a71346 6994093: MethodHandle.invokeGeneric needs porting to SPARC
jrose
parents: 1901
diff changeset
602 __ bind(L);
fff777a71346 6994093: MethodHandle.invokeGeneric needs porting to SPARC
jrose
parents: 1901
diff changeset
603 }
fff777a71346 6994093: MethodHandle.invokeGeneric needs porting to SPARC
jrose
parents: 1901
diff changeset
604 #endif //ASSERT
1503
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
605
1911
fff777a71346 6994093: MethodHandle.invokeGeneric needs porting to SPARC
jrose
parents: 1901
diff changeset
606 // make room on the stack for another pointer:
3753
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
607 insert_arg_slots(_masm, 2 * stack_move_unit(), O4_argbase, O1_scratch, O2_scratch, O3_scratch);
1911
fff777a71346 6994093: MethodHandle.invokeGeneric needs porting to SPARC
jrose
parents: 1901
diff changeset
608 // load up an adapter from the calling type (Java weaves this)
fff777a71346 6994093: MethodHandle.invokeGeneric needs porting to SPARC
jrose
parents: 1901
diff changeset
609 Register O2_form = O2_scratch;
fff777a71346 6994093: MethodHandle.invokeGeneric needs porting to SPARC
jrose
parents: 1901
diff changeset
610 Register O3_adapter = O3_scratch;
2357
8033953d67ff 7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents: 2321
diff changeset
611 __ load_heap_oop(Address(O0_mtype, __ delayed_value(java_lang_invoke_MethodType::form_offset_in_bytes, O1_scratch)), O2_form);
3371
fabcf26ee72f 6998541: JSR 292 implement missing return-type conversion for OP_RETYPE_RAW
twisti
parents: 3342
diff changeset
612 __ load_heap_oop(Address(O2_form, __ delayed_value(java_lang_invoke_MethodTypeForm::genericInvoker_offset_in_bytes, O1_scratch)), O3_adapter);
fabcf26ee72f 6998541: JSR 292 implement missing return-type conversion for OP_RETYPE_RAW
twisti
parents: 3342
diff changeset
613 __ verify_oop(O3_adapter);
1911
fff777a71346 6994093: MethodHandle.invokeGeneric needs porting to SPARC
jrose
parents: 1901
diff changeset
614 __ st_ptr(O3_adapter, Address(O4_argbase, 1 * Interpreter::stackElementSize));
fff777a71346 6994093: MethodHandle.invokeGeneric needs porting to SPARC
jrose
parents: 1901
diff changeset
615 // As a trusted first argument, pass the type being called, so the adapter knows
fff777a71346 6994093: MethodHandle.invokeGeneric needs porting to SPARC
jrose
parents: 1901
diff changeset
616 // the actual types of the arguments and return values.
fff777a71346 6994093: MethodHandle.invokeGeneric needs porting to SPARC
jrose
parents: 1901
diff changeset
617 // (Generic invokers are shared among form-families of method-type.)
1916
e62345fd6a46 6997459: JSR 292 after 6994093 getting: on return to interpreted call, restored SP is corrupted
twisti
parents: 1911
diff changeset
618 __ st_ptr(O0_mtype, Address(O4_argbase, 0 * Interpreter::stackElementSize));
1911
fff777a71346 6994093: MethodHandle.invokeGeneric needs porting to SPARC
jrose
parents: 1901
diff changeset
619 // FIXME: assert that O3_adapter is of the right method-type.
fff777a71346 6994093: MethodHandle.invokeGeneric needs porting to SPARC
jrose
parents: 1901
diff changeset
620 __ mov(O3_adapter, G3_method_handle);
fff777a71346 6994093: MethodHandle.invokeGeneric needs porting to SPARC
jrose
parents: 1901
diff changeset
621 trace_method_handle(_masm, "invokeGeneric");
1503
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
622 __ jump_to_method_handle_entry(G3_method_handle, O1_scratch);
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
623
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
624 return entry_point;
710
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents:
diff changeset
625 }
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents:
diff changeset
626
3753
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
627 // Workaround for C++ overloading nastiness on '0' for RegisterOrConstant.
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
628 static RegisterOrConstant constant(int value) {
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
629 return RegisterOrConstant(value);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
630 }
1503
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
631
3753
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
632 static void load_vmargslot(MacroAssembler* _masm, Address vmargslot_addr, Register result) {
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
633 __ ldsw(vmargslot_addr, result);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
634 }
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
635
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
636 static RegisterOrConstant adjust_SP_and_Gargs_down_by_slots(MacroAssembler* _masm,
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
637 RegisterOrConstant arg_slots,
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
638 Register temp_reg, Register temp2_reg) {
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
639 // Keep the stack pointer 2*wordSize aligned.
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
640 const int TwoWordAlignmentMask = right_n_bits(LogBytesPerWord + 1);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
641 if (arg_slots.is_constant()) {
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
642 const int offset = arg_slots.as_constant() << LogBytesPerWord;
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
643 const int masked_offset = round_to(offset, 2 * BytesPerWord);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
644 const int masked_offset2 = (offset + 1*BytesPerWord) & ~TwoWordAlignmentMask;
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
645 assert(masked_offset == masked_offset2, "must agree");
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
646 __ sub(Gargs, offset, Gargs);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
647 __ sub(SP, masked_offset, SP );
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
648 return offset;
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
649 } else {
1503
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
650 #ifdef ASSERT
3753
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
651 {
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
652 Label L_ok;
3839
3d42f82cd811 7063628: Use cbcond on T4
kvn
parents: 3808
diff changeset
653 __ cmp_and_br_short(arg_slots.as_register(), 0, Assembler::greaterEqual, Assembler::pt, L_ok);
3753
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
654 __ stop("negative arg_slots");
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
655 __ bind(L_ok);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
656 }
1503
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
657 #endif
3753
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
658 __ sll_ptr(arg_slots.as_register(), LogBytesPerWord, temp_reg);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
659 __ add( temp_reg, 1*BytesPerWord, temp2_reg);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
660 __ andn(temp2_reg, TwoWordAlignmentMask, temp2_reg);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
661 __ sub(Gargs, temp_reg, Gargs);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
662 __ sub(SP, temp2_reg, SP );
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
663 return temp_reg;
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
664 }
1503
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
665 }
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
666
3753
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
667 static RegisterOrConstant adjust_SP_and_Gargs_up_by_slots(MacroAssembler* _masm,
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
668 RegisterOrConstant arg_slots,
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
669 Register temp_reg, Register temp2_reg) {
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
670 // Keep the stack pointer 2*wordSize aligned.
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
671 const int TwoWordAlignmentMask = right_n_bits(LogBytesPerWord + 1);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
672 if (arg_slots.is_constant()) {
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
673 const int offset = arg_slots.as_constant() << LogBytesPerWord;
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
674 const int masked_offset = offset & ~TwoWordAlignmentMask;
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
675 __ add(Gargs, offset, Gargs);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
676 __ add(SP, masked_offset, SP );
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
677 return offset;
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
678 } else {
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
679 __ sll_ptr(arg_slots.as_register(), LogBytesPerWord, temp_reg);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
680 __ andn(temp_reg, TwoWordAlignmentMask, temp2_reg);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
681 __ add(Gargs, temp_reg, Gargs);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
682 __ add(SP, temp2_reg, SP );
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
683 return temp_reg;
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
684 }
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
685 }
1503
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
686
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
687 // Helper to insert argument slots into the stack.
3753
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
688 // arg_slots must be a multiple of stack_move_unit() and < 0
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
689 // argslot_reg is decremented to point to the new (shifted) location of the argslot
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
690 // But, temp_reg ends up holding the original value of argslot_reg.
1503
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
691 void MethodHandles::insert_arg_slots(MacroAssembler* _masm,
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
692 RegisterOrConstant arg_slots,
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
693 Register argslot_reg,
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
694 Register temp_reg, Register temp2_reg, Register temp3_reg) {
3753
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
695 // allow constant zero
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
696 if (arg_slots.is_constant() && arg_slots.as_constant() == 0)
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
697 return;
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
698
1503
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
699 assert_different_registers(argslot_reg, temp_reg, temp2_reg, temp3_reg,
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
700 (!arg_slots.is_register() ? Gargs : arg_slots.as_register()));
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
701
3753
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
702 BLOCK_COMMENT("insert_arg_slots {");
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
703 if (VerifyMethodHandles)
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
704 verify_argslot(_masm, argslot_reg, temp_reg, "insertion point must fall within current frame");
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
705 if (VerifyMethodHandles)
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
706 verify_stack_move(_masm, arg_slots, -1);
1503
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
707
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
708 // Make space on the stack for the inserted argument(s).
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
709 // Then pull down everything shallower than argslot_reg.
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
710 // The stacked return address gets pulled down with everything else.
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
711 // That is, copy [sp, argslot) downward by -size words. In pseudo-code:
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
712 // sp -= size;
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
713 // for (temp = sp + size; temp < argslot; temp++)
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
714 // temp[-size] = temp[0]
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
715 // argslot -= size;
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
716
3753
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
717 // offset is temp3_reg in case of arg_slots being a register.
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
718 RegisterOrConstant offset = adjust_SP_and_Gargs_up_by_slots(_masm, arg_slots, temp3_reg, temp_reg);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
719 __ sub(Gargs, offset, temp_reg); // source pointer for copy
1503
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
720
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
721 {
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
722 Label loop;
1849
5beba6174298 6987555: JSR 292 unboxing to a boolean value fails on big-endian SPARC
twisti
parents: 1846
diff changeset
723 __ BIND(loop);
1503
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
724 // pull one word down each time through the loop
3753
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
725 __ ld_ptr( Address(temp_reg, 0 ), temp2_reg);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
726 __ st_ptr(temp2_reg, Address(temp_reg, offset) );
1503
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
727 __ add(temp_reg, wordSize, temp_reg);
3839
3d42f82cd811 7063628: Use cbcond on T4
kvn
parents: 3808
diff changeset
728 __ cmp_and_brx_short(temp_reg, argslot_reg, Assembler::lessUnsigned, Assembler::pt, loop);
1503
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
729 }
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
730
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
731 // Now move the argslot down, to point to the opened-up space.
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
732 __ add(argslot_reg, offset, argslot_reg);
1849
5beba6174298 6987555: JSR 292 unboxing to a boolean value fails on big-endian SPARC
twisti
parents: 1846
diff changeset
733 BLOCK_COMMENT("} insert_arg_slots");
1503
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
734 }
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
735
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
736
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
737 // Helper to remove argument slots from the stack.
3753
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
738 // arg_slots must be a multiple of stack_move_unit() and > 0
1503
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
739 void MethodHandles::remove_arg_slots(MacroAssembler* _masm,
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
740 RegisterOrConstant arg_slots,
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
741 Register argslot_reg,
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
742 Register temp_reg, Register temp2_reg, Register temp3_reg) {
3753
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
743 // allow constant zero
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
744 if (arg_slots.is_constant() && arg_slots.as_constant() == 0)
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
745 return;
1503
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
746 assert_different_registers(argslot_reg, temp_reg, temp2_reg, temp3_reg,
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
747 (!arg_slots.is_register() ? Gargs : arg_slots.as_register()));
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
748
3753
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
749 BLOCK_COMMENT("remove_arg_slots {");
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
750 if (VerifyMethodHandles)
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
751 verify_argslots(_masm, arg_slots, argslot_reg, temp_reg, temp2_reg, false,
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
752 "deleted argument(s) must fall within current frame");
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
753 if (VerifyMethodHandles)
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
754 verify_stack_move(_masm, arg_slots, +1);
1503
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
755
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
756 // Pull up everything shallower than argslot.
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
757 // Then remove the excess space on the stack.
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
758 // The stacked return address gets pulled up with everything else.
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
759 // That is, copy [sp, argslot) upward by size words. In pseudo-code:
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
760 // for (temp = argslot-1; temp >= sp; --temp)
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
761 // temp[size] = temp[0]
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
762 // argslot += size;
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
763 // sp += size;
3753
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
764
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
765 RegisterOrConstant offset = __ regcon_sll_ptr(arg_slots, LogBytesPerWord, temp3_reg);
1503
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
766 __ sub(argslot_reg, wordSize, temp_reg); // source pointer for copy
3753
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
767
1503
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
768 {
3753
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
769 Label L_loop;
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
770 __ BIND(L_loop);
1503
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
771 // pull one word up each time through the loop
3753
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
772 __ ld_ptr( Address(temp_reg, 0 ), temp2_reg);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
773 __ st_ptr(temp2_reg, Address(temp_reg, offset) );
1503
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
774 __ sub(temp_reg, wordSize, temp_reg);
3839
3d42f82cd811 7063628: Use cbcond on T4
kvn
parents: 3808
diff changeset
775 __ cmp_and_brx_short(temp_reg, Gargs, Assembler::greaterEqualUnsigned, Assembler::pt, L_loop);
1503
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
776 }
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
777
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
778 // And adjust the argslot address to point at the deletion point.
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
779 __ add(argslot_reg, offset, argslot_reg);
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
780
3753
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
781 // We don't need the offset at this point anymore, just adjust SP and Gargs.
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
782 (void) adjust_SP_and_Gargs_up_by_slots(_masm, arg_slots, temp3_reg, temp_reg);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
783
1849
5beba6174298 6987555: JSR 292 unboxing to a boolean value fails on big-endian SPARC
twisti
parents: 1846
diff changeset
784 BLOCK_COMMENT("} remove_arg_slots");
1503
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
785 }
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
786
3753
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
787 // Helper to copy argument slots to the top of the stack.
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
788 // The sequence starts with argslot_reg and is counted by slot_count
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
789 // slot_count must be a multiple of stack_move_unit() and >= 0
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
790 // This function blows the temps but does not change argslot_reg.
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
791 void MethodHandles::push_arg_slots(MacroAssembler* _masm,
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
792 Register argslot_reg,
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
793 RegisterOrConstant slot_count,
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
794 Register temp_reg, Register temp2_reg) {
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
795 // allow constant zero
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
796 if (slot_count.is_constant() && slot_count.as_constant() == 0)
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
797 return;
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
798 assert_different_registers(argslot_reg, temp_reg, temp2_reg,
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
799 (!slot_count.is_register() ? Gargs : slot_count.as_register()),
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
800 SP);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
801 assert(Interpreter::stackElementSize == wordSize, "else change this code");
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
802
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
803 BLOCK_COMMENT("push_arg_slots {");
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
804 if (VerifyMethodHandles)
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
805 verify_stack_move(_masm, slot_count, 0);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
806
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
807 RegisterOrConstant offset = adjust_SP_and_Gargs_down_by_slots(_masm, slot_count, temp2_reg, temp_reg);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
808
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
809 if (slot_count.is_constant()) {
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
810 for (int i = slot_count.as_constant() - 1; i >= 0; i--) {
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
811 __ ld_ptr( Address(argslot_reg, i * wordSize), temp_reg);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
812 __ st_ptr(temp_reg, Address(Gargs, i * wordSize));
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
813 }
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
814 } else {
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
815 Label L_plural, L_loop, L_break;
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
816 // Emit code to dynamically check for the common cases, zero and one slot.
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
817 __ cmp(slot_count.as_register(), (int32_t) 1);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
818 __ br(Assembler::greater, false, Assembler::pn, L_plural);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
819 __ delayed()->nop();
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
820 __ br(Assembler::less, false, Assembler::pn, L_break);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
821 __ delayed()->nop();
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
822 __ ld_ptr( Address(argslot_reg, 0), temp_reg);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
823 __ st_ptr(temp_reg, Address(Gargs, 0));
3839
3d42f82cd811 7063628: Use cbcond on T4
kvn
parents: 3808
diff changeset
824 __ ba_short(L_break);
3753
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
825 __ BIND(L_plural);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
826
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
827 // Loop for 2 or more:
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
828 // top = &argslot[slot_count]
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
829 // while (top > argslot) *(--Gargs) = *(--top)
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
830 Register top_reg = temp_reg;
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
831 __ add(argslot_reg, offset, top_reg);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
832 __ add(Gargs, offset, Gargs ); // move back up again so we can go down
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
833 __ BIND(L_loop);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
834 __ sub(top_reg, wordSize, top_reg);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
835 __ sub(Gargs, wordSize, Gargs );
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
836 __ ld_ptr( Address(top_reg, 0), temp2_reg);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
837 __ st_ptr(temp2_reg, Address(Gargs, 0));
3839
3d42f82cd811 7063628: Use cbcond on T4
kvn
parents: 3808
diff changeset
838 __ cmp_and_brx_short(top_reg, argslot_reg, Assembler::greaterUnsigned, Assembler::pt, L_loop);
3753
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
839 __ BIND(L_break);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
840 }
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
841 BLOCK_COMMENT("} push_arg_slots");
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
842 }
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
843
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
844 // in-place movement; no change to Gargs
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
845 // blows temp_reg, temp2_reg
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
846 void MethodHandles::move_arg_slots_up(MacroAssembler* _masm,
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
847 Register bottom_reg, // invariant
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
848 Address top_addr, // can use temp_reg
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
849 RegisterOrConstant positive_distance_in_slots, // destroyed if register
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
850 Register temp_reg, Register temp2_reg) {
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
851 assert_different_registers(bottom_reg,
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
852 temp_reg, temp2_reg,
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
853 positive_distance_in_slots.register_or_noreg());
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
854 BLOCK_COMMENT("move_arg_slots_up {");
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
855 Label L_loop, L_break;
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
856 Register top_reg = temp_reg;
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
857 if (!top_addr.is_same_address(Address(top_reg, 0))) {
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
858 __ add(top_addr, top_reg);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
859 }
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
860 // Detect empty (or broken) loop:
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
861 #ifdef ASSERT
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
862 if (VerifyMethodHandles) {
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
863 // Verify that &bottom < &top (non-empty interval)
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
864 Label L_ok, L_bad;
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
865 if (positive_distance_in_slots.is_register()) {
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
866 __ cmp(positive_distance_in_slots.as_register(), (int32_t) 0);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
867 __ br(Assembler::lessEqual, false, Assembler::pn, L_bad);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
868 __ delayed()->nop();
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
869 }
3839
3d42f82cd811 7063628: Use cbcond on T4
kvn
parents: 3808
diff changeset
870 __ cmp_and_brx_short(bottom_reg, top_reg, Assembler::lessUnsigned, Assembler::pt, L_ok);
3753
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
871 __ BIND(L_bad);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
872 __ stop("valid bounds (copy up)");
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
873 __ BIND(L_ok);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
874 }
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
875 #endif
3839
3d42f82cd811 7063628: Use cbcond on T4
kvn
parents: 3808
diff changeset
876 __ cmp_and_brx_short(bottom_reg, top_reg, Assembler::greaterEqualUnsigned, Assembler::pn, L_break);
3753
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
877 // work top down to bottom, copying contiguous data upwards
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
878 // In pseudo-code:
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
879 // while (--top >= bottom) *(top + distance) = *(top + 0);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
880 RegisterOrConstant offset = __ argument_offset(positive_distance_in_slots, positive_distance_in_slots.register_or_noreg());
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
881 __ BIND(L_loop);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
882 __ sub(top_reg, wordSize, top_reg);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
883 __ ld_ptr( Address(top_reg, 0 ), temp2_reg);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
884 __ st_ptr(temp2_reg, Address(top_reg, offset) );
3839
3d42f82cd811 7063628: Use cbcond on T4
kvn
parents: 3808
diff changeset
885 __ cmp_and_brx_short(top_reg, bottom_reg, Assembler::greaterUnsigned, Assembler::pt, L_loop);
3753
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
886 assert(Interpreter::stackElementSize == wordSize, "else change loop");
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
887 __ BIND(L_break);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
888 BLOCK_COMMENT("} move_arg_slots_up");
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
889 }
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
890
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
891 // in-place movement; no change to rsp
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
892 // blows temp_reg, temp2_reg
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
893 void MethodHandles::move_arg_slots_down(MacroAssembler* _masm,
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
894 Address bottom_addr, // can use temp_reg
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
895 Register top_reg, // invariant
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
896 RegisterOrConstant negative_distance_in_slots, // destroyed if register
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
897 Register temp_reg, Register temp2_reg) {
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
898 assert_different_registers(top_reg,
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
899 negative_distance_in_slots.register_or_noreg(),
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
900 temp_reg, temp2_reg);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
901 BLOCK_COMMENT("move_arg_slots_down {");
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
902 Label L_loop, L_break;
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
903 Register bottom_reg = temp_reg;
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
904 if (!bottom_addr.is_same_address(Address(bottom_reg, 0))) {
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
905 __ add(bottom_addr, bottom_reg);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
906 }
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
907 // Detect empty (or broken) loop:
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
908 #ifdef ASSERT
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
909 assert(!negative_distance_in_slots.is_constant() || negative_distance_in_slots.as_constant() < 0, "");
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
910 if (VerifyMethodHandles) {
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
911 // Verify that &bottom < &top (non-empty interval)
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
912 Label L_ok, L_bad;
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
913 if (negative_distance_in_slots.is_register()) {
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
914 __ cmp(negative_distance_in_slots.as_register(), (int32_t) 0);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
915 __ br(Assembler::greaterEqual, false, Assembler::pn, L_bad);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
916 __ delayed()->nop();
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
917 }
3839
3d42f82cd811 7063628: Use cbcond on T4
kvn
parents: 3808
diff changeset
918 __ cmp_and_brx_short(bottom_reg, top_reg, Assembler::lessUnsigned, Assembler::pt, L_ok);
3753
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
919 __ BIND(L_bad);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
920 __ stop("valid bounds (copy down)");
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
921 __ BIND(L_ok);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
922 }
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
923 #endif
3839
3d42f82cd811 7063628: Use cbcond on T4
kvn
parents: 3808
diff changeset
924 __ cmp_and_brx_short(bottom_reg, top_reg, Assembler::greaterEqualUnsigned, Assembler::pn, L_break);
3753
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
925 // work bottom up to top, copying contiguous data downwards
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
926 // In pseudo-code:
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
927 // while (bottom < top) *(bottom - distance) = *(bottom + 0), bottom++;
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
928 RegisterOrConstant offset = __ argument_offset(negative_distance_in_slots, negative_distance_in_slots.register_or_noreg());
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
929 __ BIND(L_loop);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
930 __ ld_ptr( Address(bottom_reg, 0 ), temp2_reg);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
931 __ st_ptr(temp2_reg, Address(bottom_reg, offset) );
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
932 __ add(bottom_reg, wordSize, bottom_reg);
3839
3d42f82cd811 7063628: Use cbcond on T4
kvn
parents: 3808
diff changeset
933 __ cmp_and_brx_short(bottom_reg, top_reg, Assembler::lessUnsigned, Assembler::pt, L_loop);
3753
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
934 assert(Interpreter::stackElementSize == wordSize, "else change loop");
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
935 __ BIND(L_break);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
936 BLOCK_COMMENT("} move_arg_slots_down");
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
937 }
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
938
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
939 // Copy from a field or array element to a stacked argument slot.
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
940 // is_element (ignored) says whether caller is loading an array element instead of an instance field.
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
941 void MethodHandles::move_typed_arg(MacroAssembler* _masm,
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
942 BasicType type, bool is_element,
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
943 Address value_src, Address slot_dest,
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
944 Register temp_reg) {
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
945 assert(!slot_dest.uses(temp_reg), "must be different register");
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
946 BLOCK_COMMENT(!is_element ? "move_typed_arg {" : "move_typed_arg { (array element)");
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
947 if (type == T_OBJECT || type == T_ARRAY) {
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
948 __ load_heap_oop(value_src, temp_reg);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
949 __ verify_oop(temp_reg);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
950 __ st_ptr(temp_reg, slot_dest);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
951 } else if (type != T_VOID) {
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
952 int arg_size = type2aelembytes(type);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
953 bool arg_is_signed = is_signed_subword_type(type);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
954 int slot_size = is_subword_type(type) ? type2aelembytes(T_INT) : arg_size; // store int sub-words as int
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
955 __ load_sized_value( value_src, temp_reg, arg_size, arg_is_signed);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
956 __ store_sized_value(temp_reg, slot_dest, slot_size );
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
957 }
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
958 BLOCK_COMMENT("} move_typed_arg");
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
959 }
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
960
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
961 // Cf. TemplateInterpreterGenerator::generate_return_entry_for and
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
962 // InterpreterMacroAssembler::save_return_value
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
963 void MethodHandles::move_return_value(MacroAssembler* _masm, BasicType type,
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
964 Address return_slot) {
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
965 BLOCK_COMMENT("move_return_value {");
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
966 // Look at the type and pull the value out of the corresponding register.
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
967 if (type == T_VOID) {
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
968 // nothing to do
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
969 } else if (type == T_OBJECT) {
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
970 __ verify_oop(O0);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
971 __ st_ptr(O0, return_slot);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
972 } else if (type == T_INT || is_subword_type(type)) {
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
973 int type_size = type2aelembytes(T_INT);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
974 __ store_sized_value(O0, return_slot, type_size);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
975 } else if (type == T_LONG) {
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
976 // store the value by parts
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
977 // Note: We assume longs are continguous (if misaligned) on the interpreter stack.
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
978 #if !defined(_LP64) && defined(COMPILER2)
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
979 __ stx(G1, return_slot);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
980 #else
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
981 #ifdef _LP64
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
982 __ stx(O0, return_slot);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
983 #else
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
984 if (return_slot.has_disp()) {
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
985 // The displacement is a constant
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
986 __ st(O0, return_slot);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
987 __ st(O1, return_slot.plus_disp(Interpreter::stackElementSize));
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
988 } else {
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
989 __ std(O0, return_slot);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
990 }
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
991 #endif
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
992 #endif
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
993 } else if (type == T_FLOAT) {
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
994 __ stf(FloatRegisterImpl::S, Ftos_f, return_slot);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
995 } else if (type == T_DOUBLE) {
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
996 __ stf(FloatRegisterImpl::D, Ftos_f, return_slot);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
997 } else {
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
998 ShouldNotReachHere();
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
999 }
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1000 BLOCK_COMMENT("} move_return_value");
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1001 }
1503
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
1002
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
1003 #ifndef PRODUCT
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
1004 extern "C" void print_method_handle(oop mh);
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
1005 void trace_method_handle_stub(const char* adaptername,
3336
2e038ad0c1d0 7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents: 3277
diff changeset
1006 oopDesc* mh,
2e038ad0c1d0 7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents: 3277
diff changeset
1007 intptr_t* saved_sp) {
3753
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1008 bool has_mh = (strstr(adaptername, "return/") == NULL); // return adapters don't have mh
3336
2e038ad0c1d0 7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents: 3277
diff changeset
1009 tty->print_cr("MH %s mh="INTPTR_FORMAT " saved_sp=" INTPTR_FORMAT, adaptername, (intptr_t) mh, saved_sp);
3753
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1010 if (has_mh)
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1011 print_method_handle(mh);
1503
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
1012 }
1849
5beba6174298 6987555: JSR 292 unboxing to a boolean value fails on big-endian SPARC
twisti
parents: 1846
diff changeset
1013 void MethodHandles::trace_method_handle(MacroAssembler* _masm, const char* adaptername) {
5beba6174298 6987555: JSR 292 unboxing to a boolean value fails on big-endian SPARC
twisti
parents: 1846
diff changeset
1014 if (!TraceMethodHandles) return;
5beba6174298 6987555: JSR 292 unboxing to a boolean value fails on big-endian SPARC
twisti
parents: 1846
diff changeset
1015 BLOCK_COMMENT("trace_method_handle {");
5beba6174298 6987555: JSR 292 unboxing to a boolean value fails on big-endian SPARC
twisti
parents: 1846
diff changeset
1016 // save: Gargs, O5_savedSP
5beba6174298 6987555: JSR 292 unboxing to a boolean value fails on big-endian SPARC
twisti
parents: 1846
diff changeset
1017 __ save_frame(16);
5beba6174298 6987555: JSR 292 unboxing to a boolean value fails on big-endian SPARC
twisti
parents: 1846
diff changeset
1018 __ set((intptr_t) adaptername, O0);
5beba6174298 6987555: JSR 292 unboxing to a boolean value fails on big-endian SPARC
twisti
parents: 1846
diff changeset
1019 __ mov(G3_method_handle, O1);
3336
2e038ad0c1d0 7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents: 3277
diff changeset
1020 __ mov(I5_savedSP, O2);
1849
5beba6174298 6987555: JSR 292 unboxing to a boolean value fails on big-endian SPARC
twisti
parents: 1846
diff changeset
1021 __ mov(G3_method_handle, L3);
5beba6174298 6987555: JSR 292 unboxing to a boolean value fails on big-endian SPARC
twisti
parents: 1846
diff changeset
1022 __ mov(Gargs, L4);
5beba6174298 6987555: JSR 292 unboxing to a boolean value fails on big-endian SPARC
twisti
parents: 1846
diff changeset
1023 __ mov(G5_method_type, L5);
5beba6174298 6987555: JSR 292 unboxing to a boolean value fails on big-endian SPARC
twisti
parents: 1846
diff changeset
1024 __ call_VM_leaf(L7, CAST_FROM_FN_PTR(address, trace_method_handle_stub));
5beba6174298 6987555: JSR 292 unboxing to a boolean value fails on big-endian SPARC
twisti
parents: 1846
diff changeset
1025
5beba6174298 6987555: JSR 292 unboxing to a boolean value fails on big-endian SPARC
twisti
parents: 1846
diff changeset
1026 __ mov(L3, G3_method_handle);
5beba6174298 6987555: JSR 292 unboxing to a boolean value fails on big-endian SPARC
twisti
parents: 1846
diff changeset
1027 __ mov(L4, Gargs);
5beba6174298 6987555: JSR 292 unboxing to a boolean value fails on big-endian SPARC
twisti
parents: 1846
diff changeset
1028 __ mov(L5, G5_method_type);
5beba6174298 6987555: JSR 292 unboxing to a boolean value fails on big-endian SPARC
twisti
parents: 1846
diff changeset
1029 __ restore();
5beba6174298 6987555: JSR 292 unboxing to a boolean value fails on big-endian SPARC
twisti
parents: 1846
diff changeset
1030 BLOCK_COMMENT("} trace_method_handle");
5beba6174298 6987555: JSR 292 unboxing to a boolean value fails on big-endian SPARC
twisti
parents: 1846
diff changeset
1031 }
1503
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
1032 #endif // PRODUCT
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
1033
1507
cd5dbf694d45 6939134: JSR 292 adjustments to method handle invocation
jrose
parents: 1506
diff changeset
1034 // which conversion op types are implemented here?
cd5dbf694d45 6939134: JSR 292 adjustments to method handle invocation
jrose
parents: 1506
diff changeset
1035 int MethodHandles::adapter_conversion_ops_supported_mask() {
2357
8033953d67ff 7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents: 2321
diff changeset
1036 return ((1<<java_lang_invoke_AdapterMethodHandle::OP_RETYPE_ONLY)
8033953d67ff 7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents: 2321
diff changeset
1037 |(1<<java_lang_invoke_AdapterMethodHandle::OP_RETYPE_RAW)
8033953d67ff 7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents: 2321
diff changeset
1038 |(1<<java_lang_invoke_AdapterMethodHandle::OP_CHECK_CAST)
8033953d67ff 7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents: 2321
diff changeset
1039 |(1<<java_lang_invoke_AdapterMethodHandle::OP_PRIM_TO_PRIM)
8033953d67ff 7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents: 2321
diff changeset
1040 |(1<<java_lang_invoke_AdapterMethodHandle::OP_REF_TO_PRIM)
3753
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1041 // OP_PRIM_TO_REF is below...
2357
8033953d67ff 7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents: 2321
diff changeset
1042 |(1<<java_lang_invoke_AdapterMethodHandle::OP_SWAP_ARGS)
8033953d67ff 7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents: 2321
diff changeset
1043 |(1<<java_lang_invoke_AdapterMethodHandle::OP_ROT_ARGS)
8033953d67ff 7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents: 2321
diff changeset
1044 |(1<<java_lang_invoke_AdapterMethodHandle::OP_DUP_ARGS)
8033953d67ff 7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents: 2321
diff changeset
1045 |(1<<java_lang_invoke_AdapterMethodHandle::OP_DROP_ARGS)
3753
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1046 // OP_COLLECT_ARGS is below...
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1047 |(1<<java_lang_invoke_AdapterMethodHandle::OP_SPREAD_ARGS)
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1048 |(!UseRicochetFrames ? 0 :
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1049 java_lang_invoke_MethodTypeForm::vmlayout_offset_in_bytes() <= 0 ? 0 :
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1050 ((1<<java_lang_invoke_AdapterMethodHandle::OP_PRIM_TO_REF)
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1051 |(1<<java_lang_invoke_AdapterMethodHandle::OP_COLLECT_ARGS)
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1052 |(1<<java_lang_invoke_AdapterMethodHandle::OP_FOLD_ARGS)
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1053 )
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1054 )
1507
cd5dbf694d45 6939134: JSR 292 adjustments to method handle invocation
jrose
parents: 1506
diff changeset
1055 );
cd5dbf694d45 6939134: JSR 292 adjustments to method handle invocation
jrose
parents: 1506
diff changeset
1056 }
1503
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
1057
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
1058 //------------------------------------------------------------------------------
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
1059 // MethodHandles::generate_method_handle_stub
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
1060 //
710
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents:
diff changeset
1061 // Generate an "entry" field for a method handle.
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents:
diff changeset
1062 // This determines how the method handle will respond to calls.
2116
d810e9a3fc33 7010180: JSR 292 InvokeDynamicPrintArgs fails with: assert(_adapter == NULL) failed: init'd to NULL
twisti
parents: 2088
diff changeset
1063 void MethodHandles::generate_method_handle_stub(MacroAssembler* _masm, MethodHandles::EntryKind ek) {
3753
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1064 MethodHandles::EntryKind ek_orig = ek_original_kind(ek);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1065
1503
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
1066 // Here is the register state during an interpreted call,
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
1067 // as set up by generate_method_handle_interpreter_entry():
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
1068 // - G5: garbage temp (was MethodHandle.invoke methodOop, unused)
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
1069 // - G3: receiver method handle
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
1070 // - O5_savedSP: sender SP (must preserve)
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
1071
3753
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1072 const Register O0_scratch = O0;
2088
8d0b933dda2d 7007377: JSR 292 MethodHandlesTest.testCastFailure fails on SPARC with -Xcomp +DeoptimizeALot
twisti
parents: 2009
diff changeset
1073 const Register O1_scratch = O1;
8d0b933dda2d 7007377: JSR 292 MethodHandlesTest.testCastFailure fails on SPARC with -Xcomp +DeoptimizeALot
twisti
parents: 2009
diff changeset
1074 const Register O2_scratch = O2;
8d0b933dda2d 7007377: JSR 292 MethodHandlesTest.testCastFailure fails on SPARC with -Xcomp +DeoptimizeALot
twisti
parents: 2009
diff changeset
1075 const Register O3_scratch = O3;
3753
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1076 const Register O4_scratch = O4;
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1077 const Register G5_scratch = G5;
2088
8d0b933dda2d 7007377: JSR 292 MethodHandlesTest.testCastFailure fails on SPARC with -Xcomp +DeoptimizeALot
twisti
parents: 2009
diff changeset
1078
3753
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1079 // Often used names:
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1080 const Register O0_argslot = O0;
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1081
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1082 // Argument registers for _raise_exception:
2088
8d0b933dda2d 7007377: JSR 292 MethodHandlesTest.testCastFailure fails on SPARC with -Xcomp +DeoptimizeALot
twisti
parents: 2009
diff changeset
1083 const Register O0_code = O0;
8d0b933dda2d 7007377: JSR 292 MethodHandlesTest.testCastFailure fails on SPARC with -Xcomp +DeoptimizeALot
twisti
parents: 2009
diff changeset
1084 const Register O1_actual = O1;
8d0b933dda2d 7007377: JSR 292 MethodHandlesTest.testCastFailure fails on SPARC with -Xcomp +DeoptimizeALot
twisti
parents: 2009
diff changeset
1085 const Register O2_required = O2;
1503
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
1086
2357
8033953d67ff 7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents: 2321
diff changeset
1087 guarantee(java_lang_invoke_MethodHandle::vmentry_offset_in_bytes() != 0, "must have offsets");
1503
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
1088
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
1089 // Some handy addresses:
2357
8033953d67ff 7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents: 2321
diff changeset
1090 Address G3_mh_vmtarget( G3_method_handle, java_lang_invoke_MethodHandle::vmtarget_offset_in_bytes());
1503
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
1091
2357
8033953d67ff 7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents: 2321
diff changeset
1092 Address G3_dmh_vmindex( G3_method_handle, java_lang_invoke_DirectMethodHandle::vmindex_offset_in_bytes());
1503
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
1093
2357
8033953d67ff 7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents: 2321
diff changeset
1094 Address G3_bmh_vmargslot( G3_method_handle, java_lang_invoke_BoundMethodHandle::vmargslot_offset_in_bytes());
8033953d67ff 7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents: 2321
diff changeset
1095 Address G3_bmh_argument( G3_method_handle, java_lang_invoke_BoundMethodHandle::argument_offset_in_bytes());
1503
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
1096
2357
8033953d67ff 7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents: 2321
diff changeset
1097 Address G3_amh_vmargslot( G3_method_handle, java_lang_invoke_AdapterMethodHandle::vmargslot_offset_in_bytes());
8033953d67ff 7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents: 2321
diff changeset
1098 Address G3_amh_argument ( G3_method_handle, java_lang_invoke_AdapterMethodHandle::argument_offset_in_bytes());
8033953d67ff 7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents: 2321
diff changeset
1099 Address G3_amh_conversion(G3_method_handle, java_lang_invoke_AdapterMethodHandle::conversion_offset_in_bytes());
1503
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
1100
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
1101 const int java_mirror_offset = klassOopDesc::klass_part_offset_in_bytes() + Klass::java_mirror_offset_in_bytes();
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
1102
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
1103 if (have_entry(ek)) {
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
1104 __ nop(); // empty stubs make SG sick
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
1105 return;
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
1106 }
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
1107
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
1108 address interp_entry = __ pc();
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
1109
1849
5beba6174298 6987555: JSR 292 unboxing to a boolean value fails on big-endian SPARC
twisti
parents: 1846
diff changeset
1110 trace_method_handle(_masm, entry_name(ek));
1503
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
1111
3753
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1112 BLOCK_COMMENT(err_msg("Entry %s {", entry_name(ek)));
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1113
1503
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
1114 switch ((int) ek) {
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
1115 case _raise_exception:
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
1116 {
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
1117 // Not a real MH entry, but rather shared code for raising an
3808
341a57af9b0a 6990212: JSR 292 JVMTI MethodEnter hook is not called for JSR 292 bootstrap and target methods
never
parents: 3781
diff changeset
1118 // exception. For sharing purposes the arguments are passed into registers
341a57af9b0a 6990212: JSR 292 JVMTI MethodEnter hook is not called for JSR 292 bootstrap and target methods
never
parents: 3781
diff changeset
1119 // and then placed in the intepreter calling convention here.
2116
d810e9a3fc33 7010180: JSR 292 InvokeDynamicPrintArgs fails with: assert(_adapter == NULL) failed: init'd to NULL
twisti
parents: 2088
diff changeset
1120 assert(raise_exception_method(), "must be set");
2321
1b4e6a5d98e0 7012914: JSR 292 MethodHandlesTest C1: frame::verify_return_pc(return_address) failed: must be a return pc
twisti
parents: 2258
diff changeset
1121 assert(raise_exception_method()->from_compiled_entry(), "method must be linked");
1503
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
1122
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
1123 __ set(AddressLiteral((address) &_raise_exception_method), G5_method);
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
1124 __ ld_ptr(Address(G5_method, 0), G5_method);
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
1125
2088
8d0b933dda2d 7007377: JSR 292 MethodHandlesTest.testCastFailure fails on SPARC with -Xcomp +DeoptimizeALot
twisti
parents: 2009
diff changeset
1126 const int jobject_oop_offset = 0;
1503
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
1127 __ ld_ptr(Address(G5_method, jobject_oop_offset), G5_method);
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
1128
3808
341a57af9b0a 6990212: JSR 292 JVMTI MethodEnter hook is not called for JSR 292 bootstrap and target methods
never
parents: 3781
diff changeset
1129 adjust_SP_and_Gargs_down_by_slots(_masm, 3, noreg, noreg);
341a57af9b0a 6990212: JSR 292 JVMTI MethodEnter hook is not called for JSR 292 bootstrap and target methods
never
parents: 3781
diff changeset
1130
3848
a19c671188cb 7075623: 6990212 broke raiseException in 64 bit
never
parents: 3839
diff changeset
1131 __ st (O0_code, __ argument_address(constant(2), noreg, 0));
3808
341a57af9b0a 6990212: JSR 292 JVMTI MethodEnter hook is not called for JSR 292 bootstrap and target methods
never
parents: 3781
diff changeset
1132 __ st_ptr(O1_actual, __ argument_address(constant(1), noreg, 0));
341a57af9b0a 6990212: JSR 292 JVMTI MethodEnter hook is not called for JSR 292 bootstrap and target methods
never
parents: 3781
diff changeset
1133 __ st_ptr(O2_required, __ argument_address(constant(0), noreg, 0));
341a57af9b0a 6990212: JSR 292 JVMTI MethodEnter hook is not called for JSR 292 bootstrap and target methods
never
parents: 3781
diff changeset
1134 jump_from_method_handle(_masm, G5_method, O1_scratch, O2_scratch);
1503
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
1135 }
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
1136 break;
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
1137
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
1138 case _invokestatic_mh:
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
1139 case _invokespecial_mh:
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
1140 {
1846
d55217dc206f 6829194: JSR 292 needs to support compressed oops
twisti
parents: 1579
diff changeset
1141 __ load_heap_oop(G3_mh_vmtarget, G5_method); // target is a methodOop
1503
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
1142 // Same as TemplateTable::invokestatic or invokespecial,
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
1143 // minus the CP setup and profiling:
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
1144 if (ek == _invokespecial_mh) {
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
1145 // Must load & check the first argument before entering the target method.
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
1146 __ load_method_handle_vmslots(O0_argslot, G3_method_handle, O1_scratch);
3753
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1147 __ ld_ptr(__ argument_address(O0_argslot, O0_argslot, -1), G3_method_handle);
1503
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
1148 __ null_check(G3_method_handle);
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
1149 __ verify_oop(G3_method_handle);
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
1150 }
3808
341a57af9b0a 6990212: JSR 292 JVMTI MethodEnter hook is not called for JSR 292 bootstrap and target methods
never
parents: 3781
diff changeset
1151 jump_from_method_handle(_masm, G5_method, O1_scratch, O2_scratch);
1503
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
1152 }
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
1153 break;
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
1154
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
1155 case _invokevirtual_mh:
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
1156 {
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
1157 // Same as TemplateTable::invokevirtual,
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
1158 // minus the CP setup and profiling:
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
1159
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
1160 // Pick out the vtable index and receiver offset from the MH,
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
1161 // and then we can discard it:
3753
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1162 Register O2_index = O2_scratch;
1503
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
1163 __ load_method_handle_vmslots(O0_argslot, G3_method_handle, O1_scratch);
3753
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1164 __ ldsw(G3_dmh_vmindex, O2_index);
1503
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
1165 // Note: The verifier allows us to ignore G3_mh_vmtarget.
3753
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1166 __ ld_ptr(__ argument_address(O0_argslot, O0_argslot, -1), G3_method_handle);
1503
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
1167 __ null_check(G3_method_handle, oopDesc::klass_offset_in_bytes());
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
1168
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
1169 // Get receiver klass:
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
1170 Register O0_klass = O0_argslot;
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
1171 __ load_klass(G3_method_handle, O0_klass);
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
1172 __ verify_oop(O0_klass);
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
1173
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
1174 // Get target methodOop & entry point:
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
1175 const int base = instanceKlass::vtable_start_offset() * wordSize;
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
1176 assert(vtableEntry::size() * wordSize == wordSize, "adjust the scaling in the code below");
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
1177
3753
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1178 __ sll_ptr(O2_index, LogBytesPerWord, O2_index);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1179 __ add(O0_klass, O2_index, O0_klass);
1503
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
1180 Address vtable_entry_addr(O0_klass, base + vtableEntry::method_offset_in_bytes());
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
1181 __ ld_ptr(vtable_entry_addr, G5_method);
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
1182
3808
341a57af9b0a 6990212: JSR 292 JVMTI MethodEnter hook is not called for JSR 292 bootstrap and target methods
never
parents: 3781
diff changeset
1183 jump_from_method_handle(_masm, G5_method, O1_scratch, O2_scratch);
1503
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
1184 }
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
1185 break;
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
1186
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
1187 case _invokeinterface_mh:
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
1188 {
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
1189 // Same as TemplateTable::invokeinterface,
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
1190 // minus the CP setup and profiling:
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
1191 __ load_method_handle_vmslots(O0_argslot, G3_method_handle, O1_scratch);
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
1192 Register O1_intf = O1_scratch;
3753
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1193 Register G5_index = G5_scratch;
1846
d55217dc206f 6829194: JSR 292 needs to support compressed oops
twisti
parents: 1579
diff changeset
1194 __ load_heap_oop(G3_mh_vmtarget, O1_intf);
1503
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
1195 __ ldsw(G3_dmh_vmindex, G5_index);
3753
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1196 __ ld_ptr(__ argument_address(O0_argslot, O0_argslot, -1), G3_method_handle);
1503
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
1197 __ null_check(G3_method_handle, oopDesc::klass_offset_in_bytes());
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
1198
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
1199 // Get receiver klass:
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
1200 Register O0_klass = O0_argslot;
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
1201 __ load_klass(G3_method_handle, O0_klass);
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
1202 __ verify_oop(O0_klass);
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
1203
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
1204 // Get interface:
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
1205 Label no_such_interface;
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
1206 __ verify_oop(O1_intf);
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
1207 __ lookup_interface_method(O0_klass, O1_intf,
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
1208 // Note: next two args must be the same:
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
1209 G5_index, G5_method,
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
1210 O2_scratch,
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
1211 O3_scratch,
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
1212 no_such_interface);
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
1213
3808
341a57af9b0a 6990212: JSR 292 JVMTI MethodEnter hook is not called for JSR 292 bootstrap and target methods
never
parents: 3781
diff changeset
1214 jump_from_method_handle(_masm, G5_method, O1_scratch, O2_scratch);
1503
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
1215
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
1216 __ bind(no_such_interface);
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
1217 // Throw an exception.
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
1218 // For historical reasons, it will be IncompatibleClassChangeError.
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
1219 __ unimplemented("not tested yet");
2088
8d0b933dda2d 7007377: JSR 292 MethodHandlesTest.testCastFailure fails on SPARC with -Xcomp +DeoptimizeALot
twisti
parents: 2009
diff changeset
1220 __ ld_ptr(Address(O1_intf, java_mirror_offset), O2_required); // required interface
8d0b933dda2d 7007377: JSR 292 MethodHandlesTest.testCastFailure fails on SPARC with -Xcomp +DeoptimizeALot
twisti
parents: 2009
diff changeset
1221 __ mov( O0_klass, O1_actual); // bad receiver
8d0b933dda2d 7007377: JSR 292 MethodHandlesTest.testCastFailure fails on SPARC with -Xcomp +DeoptimizeALot
twisti
parents: 2009
diff changeset
1222 __ jump_to(AddressLiteral(from_interpreted_entry(_raise_exception)), O3_scratch);
8d0b933dda2d 7007377: JSR 292 MethodHandlesTest.testCastFailure fails on SPARC with -Xcomp +DeoptimizeALot
twisti
parents: 2009
diff changeset
1223 __ delayed()->mov(Bytecodes::_invokeinterface, O0_code); // who is complaining?
1503
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
1224 }
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
1225 break;
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
1226
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
1227 case _bound_ref_mh:
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
1228 case _bound_int_mh:
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
1229 case _bound_long_mh:
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
1230 case _bound_ref_direct_mh:
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
1231 case _bound_int_direct_mh:
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
1232 case _bound_long_direct_mh:
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
1233 {
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
1234 const bool direct_to_method = (ek >= _bound_ref_direct_mh);
3753
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1235 BasicType arg_type = ek_bound_mh_arg_type(ek);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1236 int arg_slots = type2size[arg_type];
1503
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
1237
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
1238 // Make room for the new argument:
3753
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1239 load_vmargslot(_masm, G3_bmh_vmargslot, O0_argslot);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1240 __ add(__ argument_address(O0_argslot, O0_argslot), O0_argslot);
1503
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
1241
3753
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1242 insert_arg_slots(_masm, arg_slots * stack_move_unit(), O0_argslot, O1_scratch, O2_scratch, O3_scratch);
1503
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
1243
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
1244 // Store bound argument into the new stack slot:
1846
d55217dc206f 6829194: JSR 292 needs to support compressed oops
twisti
parents: 1579
diff changeset
1245 __ load_heap_oop(G3_bmh_argument, O1_scratch);
1503
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
1246 if (arg_type == T_OBJECT) {
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
1247 __ st_ptr(O1_scratch, Address(O0_argslot, 0));
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
1248 } else {
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
1249 Address prim_value_addr(O1_scratch, java_lang_boxing_object::value_offset_in_bytes(arg_type));
3753
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1250 move_typed_arg(_masm, arg_type, false,
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1251 prim_value_addr,
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1252 Address(O0_argslot, 0),
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1253 O2_scratch); // must be an even register for !_LP64 long moves (uses O2/O3)
1503
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
1254 }
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
1255
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
1256 if (direct_to_method) {
1846
d55217dc206f 6829194: JSR 292 needs to support compressed oops
twisti
parents: 1579
diff changeset
1257 __ load_heap_oop(G3_mh_vmtarget, G5_method); // target is a methodOop
3808
341a57af9b0a 6990212: JSR 292 JVMTI MethodEnter hook is not called for JSR 292 bootstrap and target methods
never
parents: 3781
diff changeset
1258 jump_from_method_handle(_masm, G5_method, O1_scratch, O2_scratch);
1503
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
1259 } else {
1846
d55217dc206f 6829194: JSR 292 needs to support compressed oops
twisti
parents: 1579
diff changeset
1260 __ load_heap_oop(G3_mh_vmtarget, G3_method_handle); // target is a methodOop
1503
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
1261 __ verify_oop(G3_method_handle);
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
1262 __ jump_to_method_handle_entry(G3_method_handle, O1_scratch);
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
1263 }
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
1264 }
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
1265 break;
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
1266
3905
c26de9aef2ed 7071307: MethodHandle bimorphic inlining should consider the frequency
never
parents: 3848
diff changeset
1267 case _adapter_opt_profiling:
c26de9aef2ed 7071307: MethodHandle bimorphic inlining should consider the frequency
never
parents: 3848
diff changeset
1268 if (java_lang_invoke_CountingMethodHandle::vmcount_offset_in_bytes() != 0) {
c26de9aef2ed 7071307: MethodHandle bimorphic inlining should consider the frequency
never
parents: 3848
diff changeset
1269 Address G3_mh_vmcount(G3_method_handle, java_lang_invoke_CountingMethodHandle::vmcount_offset_in_bytes());
c26de9aef2ed 7071307: MethodHandle bimorphic inlining should consider the frequency
never
parents: 3848
diff changeset
1270 __ ld(G3_mh_vmcount, O1_scratch);
c26de9aef2ed 7071307: MethodHandle bimorphic inlining should consider the frequency
never
parents: 3848
diff changeset
1271 __ add(O1_scratch, 1, O1_scratch);
c26de9aef2ed 7071307: MethodHandle bimorphic inlining should consider the frequency
never
parents: 3848
diff changeset
1272 __ st(O1_scratch, G3_mh_vmcount);
c26de9aef2ed 7071307: MethodHandle bimorphic inlining should consider the frequency
never
parents: 3848
diff changeset
1273 }
c26de9aef2ed 7071307: MethodHandle bimorphic inlining should consider the frequency
never
parents: 3848
diff changeset
1274 // fall through
c26de9aef2ed 7071307: MethodHandle bimorphic inlining should consider the frequency
never
parents: 3848
diff changeset
1275
1503
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
1276 case _adapter_retype_only:
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
1277 case _adapter_retype_raw:
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
1278 // Immediately jump to the next MH layer:
1846
d55217dc206f 6829194: JSR 292 needs to support compressed oops
twisti
parents: 1579
diff changeset
1279 __ load_heap_oop(G3_mh_vmtarget, G3_method_handle);
3753
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1280 __ verify_oop(G3_method_handle);
1503
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
1281 __ jump_to_method_handle_entry(G3_method_handle, O1_scratch);
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
1282 // This is OK when all parameter types widen.
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
1283 // It is also OK when a return type narrows.
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
1284 break;
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
1285
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
1286 case _adapter_check_cast:
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
1287 {
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
1288 // Check a reference argument before jumping to the next layer of MH:
3753
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1289 load_vmargslot(_masm, G3_amh_vmargslot, O0_argslot);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1290 Address vmarg = __ argument_address(O0_argslot, O0_argslot);
1503
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
1291
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
1292 // What class are we casting to?
3753
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1293 Register O1_klass = O1_scratch; // Interesting AMH data.
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1294 __ load_heap_oop(G3_amh_argument, O1_klass); // This is a Class object!
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1295 load_klass_from_Class(_masm, O1_klass, O2_scratch, O3_scratch);
1503
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
1296
3753
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1297 Label L_done;
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1298 __ ld_ptr(vmarg, O2_scratch);
3839
3d42f82cd811 7063628: Use cbcond on T4
kvn
parents: 3808
diff changeset
1299 __ br_null_short(O2_scratch, Assembler::pn, L_done); // No cast if null.
3753
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1300 __ load_klass(O2_scratch, O2_scratch);
1503
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
1301
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
1302 // Live at this point:
3342
8d944991dbf9 7041244: JSR 292: Server VM gets a SEGV running a JCK test
twisti
parents: 3336
diff changeset
1303 // - O0_argslot : argslot index in vmarg; may be required in the failing path
3753
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1304 // - O1_klass : klass required by the target method
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1305 // - O2_scratch : argument klass to test
1503
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
1306 // - G3_method_handle: adapter method handle
3753
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1307 __ check_klass_subtype(O2_scratch, O1_klass, O3_scratch, O4_scratch, L_done);
1503
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
1308
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
1309 // If we get here, the type check failed!
2088
8d0b933dda2d 7007377: JSR 292 MethodHandlesTest.testCastFailure fails on SPARC with -Xcomp +DeoptimizeALot
twisti
parents: 2009
diff changeset
1310 __ load_heap_oop(G3_amh_argument, O2_required); // required class
8d0b933dda2d 7007377: JSR 292 MethodHandlesTest.testCastFailure fails on SPARC with -Xcomp +DeoptimizeALot
twisti
parents: 2009
diff changeset
1311 __ ld_ptr( vmarg, O1_actual); // bad object
8d0b933dda2d 7007377: JSR 292 MethodHandlesTest.testCastFailure fails on SPARC with -Xcomp +DeoptimizeALot
twisti
parents: 2009
diff changeset
1312 __ jump_to(AddressLiteral(from_interpreted_entry(_raise_exception)), O3_scratch);
8d0b933dda2d 7007377: JSR 292 MethodHandlesTest.testCastFailure fails on SPARC with -Xcomp +DeoptimizeALot
twisti
parents: 2009
diff changeset
1313 __ delayed()->mov(Bytecodes::_checkcast, O0_code); // who is complaining?
1503
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
1314
3753
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1315 __ BIND(L_done);
1503
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
1316 // Get the new MH:
1846
d55217dc206f 6829194: JSR 292 needs to support compressed oops
twisti
parents: 1579
diff changeset
1317 __ load_heap_oop(G3_mh_vmtarget, G3_method_handle);
1503
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
1318 __ jump_to_method_handle_entry(G3_method_handle, O1_scratch);
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
1319 }
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
1320 break;
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
1321
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
1322 case _adapter_prim_to_prim:
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
1323 case _adapter_ref_to_prim:
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
1324 // Handled completely by optimized cases.
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
1325 __ stop("init_AdapterMethodHandle should not issue this");
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
1326 break;
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
1327
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
1328 case _adapter_opt_i2i: // optimized subcase of adapt_prim_to_prim
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
1329 //case _adapter_opt_f2i: // optimized subcase of adapt_prim_to_prim
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
1330 case _adapter_opt_l2i: // optimized subcase of adapt_prim_to_prim
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
1331 case _adapter_opt_unboxi: // optimized subcase of adapt_ref_to_prim
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
1332 {
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
1333 // Perform an in-place conversion to int or an int subword.
3753
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1334 load_vmargslot(_masm, G3_amh_vmargslot, O0_argslot);
2009
b856cd7f4e60 7003798: test/compiler/6991596 fails with true != false
twisti
parents: 1972
diff changeset
1335 Address value;
3753
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1336 Address vmarg;
1503
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
1337 bool value_left_justified = false;
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
1338
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
1339 switch (ek) {
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
1340 case _adapter_opt_i2i:
3753
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1341 value = vmarg = __ argument_address(O0_argslot, O0_argslot);
1901
7aff5786cc02 6991596: JSR 292 unimplemented adapter_opt_i2i and adapter_opt_l2i on SPARC
twisti
parents: 1849
diff changeset
1342 break;
1503
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
1343 case _adapter_opt_l2i:
1901
7aff5786cc02 6991596: JSR 292 unimplemented adapter_opt_i2i and adapter_opt_l2i on SPARC
twisti
parents: 1849
diff changeset
1344 {
7aff5786cc02 6991596: JSR 292 unimplemented adapter_opt_i2i and adapter_opt_l2i on SPARC
twisti
parents: 1849
diff changeset
1345 // just delete the extra slot
2009
b856cd7f4e60 7003798: test/compiler/6991596 fails with true != false
twisti
parents: 1972
diff changeset
1346 #ifdef _LP64
b856cd7f4e60 7003798: test/compiler/6991596 fails with true != false
twisti
parents: 1972
diff changeset
1347 // In V9, longs are given 2 64-bit slots in the interpreter, but the
b856cd7f4e60 7003798: test/compiler/6991596 fails with true != false
twisti
parents: 1972
diff changeset
1348 // data is passed in only 1 slot.
b856cd7f4e60 7003798: test/compiler/6991596 fails with true != false
twisti
parents: 1972
diff changeset
1349 // Keep the second slot.
3753
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1350 __ add(__ argument_address(O0_argslot, O0_argslot, -1), O0_argslot);
2009
b856cd7f4e60 7003798: test/compiler/6991596 fails with true != false
twisti
parents: 1972
diff changeset
1351 remove_arg_slots(_masm, -stack_move_unit(), O0_argslot, O1_scratch, O2_scratch, O3_scratch);
b856cd7f4e60 7003798: test/compiler/6991596 fails with true != false
twisti
parents: 1972
diff changeset
1352 value = Address(O0_argslot, 4); // Get least-significant 32-bit of 64-bit value.
b856cd7f4e60 7003798: test/compiler/6991596 fails with true != false
twisti
parents: 1972
diff changeset
1353 vmarg = Address(O0_argslot, Interpreter::stackElementSize);
b856cd7f4e60 7003798: test/compiler/6991596 fails with true != false
twisti
parents: 1972
diff changeset
1354 #else
b856cd7f4e60 7003798: test/compiler/6991596 fails with true != false
twisti
parents: 1972
diff changeset
1355 // Keep the first slot.
3753
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1356 __ add(__ argument_address(O0_argslot, O0_argslot), O0_argslot);
1901
7aff5786cc02 6991596: JSR 292 unimplemented adapter_opt_i2i and adapter_opt_l2i on SPARC
twisti
parents: 1849
diff changeset
1357 remove_arg_slots(_masm, -stack_move_unit(), O0_argslot, O1_scratch, O2_scratch, O3_scratch);
2009
b856cd7f4e60 7003798: test/compiler/6991596 fails with true != false
twisti
parents: 1972
diff changeset
1358 value = Address(O0_argslot, 0);
b856cd7f4e60 7003798: test/compiler/6991596 fails with true != false
twisti
parents: 1972
diff changeset
1359 vmarg = value;
b856cd7f4e60 7003798: test/compiler/6991596 fails with true != false
twisti
parents: 1972
diff changeset
1360 #endif
1901
7aff5786cc02 6991596: JSR 292 unimplemented adapter_opt_i2i and adapter_opt_l2i on SPARC
twisti
parents: 1849
diff changeset
1361 }
1503
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
1362 break;
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
1363 case _adapter_opt_unboxi:
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
1364 {
3753
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1365 vmarg = __ argument_address(O0_argslot, O0_argslot);
1503
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
1366 // Load the value up from the heap.
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
1367 __ ld_ptr(vmarg, O1_scratch);
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
1368 int value_offset = java_lang_boxing_object::value_offset_in_bytes(T_INT);
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
1369 #ifdef ASSERT
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
1370 for (int bt = T_BOOLEAN; bt < T_INT; bt++) {
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
1371 if (is_subword_type(BasicType(bt)))
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
1372 assert(value_offset == java_lang_boxing_object::value_offset_in_bytes(BasicType(bt)), "");
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
1373 }
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
1374 #endif
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
1375 __ null_check(O1_scratch, value_offset);
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
1376 value = Address(O1_scratch, value_offset);
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
1377 #ifdef _BIG_ENDIAN
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
1378 // Values stored in objects are packed.
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
1379 value_left_justified = true;
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
1380 #endif
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
1381 }
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
1382 break;
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
1383 default:
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
1384 ShouldNotReachHere();
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
1385 }
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
1386
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
1387 // This check is required on _BIG_ENDIAN
3753
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1388 Register G5_vminfo = G5_scratch;
1503
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
1389 __ ldsw(G3_amh_conversion, G5_vminfo);
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
1390 assert(CONV_VMINFO_SHIFT == 0, "preshifted");
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
1391
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
1392 // Original 32-bit vmdata word must be of this form:
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
1393 // | MBZ:6 | signBitCount:8 | srcDstTypes:8 | conversionOp:8 |
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
1394 __ lduw(value, O1_scratch);
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
1395 if (!value_left_justified)
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
1396 __ sll(O1_scratch, G5_vminfo, O1_scratch);
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
1397 Label zero_extend, done;
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
1398 __ btst(CONV_VMINFO_SIGN_FLAG, G5_vminfo);
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
1399 __ br(Assembler::zero, false, Assembler::pn, zero_extend);
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
1400 __ delayed()->nop();
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
1401
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
1402 // this path is taken for int->byte, int->short
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
1403 __ sra(O1_scratch, G5_vminfo, O1_scratch);
3839
3d42f82cd811 7063628: Use cbcond on T4
kvn
parents: 3808
diff changeset
1404 __ ba_short(done);
1503
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
1405
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
1406 __ bind(zero_extend);
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
1407 // this is taken for int->char
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
1408 __ srl(O1_scratch, G5_vminfo, O1_scratch);
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
1409
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
1410 __ bind(done);
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
1411 __ st(O1_scratch, vmarg);
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
1412
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
1413 // Get the new MH:
1846
d55217dc206f 6829194: JSR 292 needs to support compressed oops
twisti
parents: 1579
diff changeset
1414 __ load_heap_oop(G3_mh_vmtarget, G3_method_handle);
1503
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
1415 __ jump_to_method_handle_entry(G3_method_handle, O1_scratch);
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
1416 }
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
1417 break;
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
1418
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
1419 case _adapter_opt_i2l: // optimized subcase of adapt_prim_to_prim
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
1420 case _adapter_opt_unboxl: // optimized subcase of adapt_ref_to_prim
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
1421 {
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
1422 // Perform an in-place int-to-long or ref-to-long conversion.
3753
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1423 load_vmargslot(_masm, G3_amh_vmargslot, O0_argslot);
1503
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
1424
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
1425 // On big-endian machine we duplicate the slot and store the MSW
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
1426 // in the first slot.
3753
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1427 __ add(__ argument_address(O0_argslot, O0_argslot, 1), O0_argslot);
1503
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
1428
3753
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1429 insert_arg_slots(_masm, stack_move_unit(), O0_argslot, O1_scratch, O2_scratch, O3_scratch);
1503
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
1430
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
1431 Address arg_lsw(O0_argslot, 0);
1506
2338d41fbd81 6943304: remove tagged stack interpreter
twisti
parents: 1503
diff changeset
1432 Address arg_msw(O0_argslot, -Interpreter::stackElementSize);
1503
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
1433
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
1434 switch (ek) {
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
1435 case _adapter_opt_i2l:
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
1436 {
2382
3ef1a1866a60 7027232: JSR 292: wrong numeric value returned by MH on solaris-sparc
twisti
parents: 2357
diff changeset
1437 #ifdef _LP64
3ef1a1866a60 7027232: JSR 292: wrong numeric value returned by MH on solaris-sparc
twisti
parents: 2357
diff changeset
1438 __ ldsw(arg_lsw, O2_scratch); // Load LSW sign-extended
3ef1a1866a60 7027232: JSR 292: wrong numeric value returned by MH on solaris-sparc
twisti
parents: 2357
diff changeset
1439 #else
3ef1a1866a60 7027232: JSR 292: wrong numeric value returned by MH on solaris-sparc
twisti
parents: 2357
diff changeset
1440 __ ldsw(arg_lsw, O3_scratch); // Load LSW sign-extended
3ef1a1866a60 7027232: JSR 292: wrong numeric value returned by MH on solaris-sparc
twisti
parents: 2357
diff changeset
1441 __ srlx(O3_scratch, BitsPerInt, O2_scratch); // Move MSW value to lower 32-bits for std
3ef1a1866a60 7027232: JSR 292: wrong numeric value returned by MH on solaris-sparc
twisti
parents: 2357
diff changeset
1442 #endif
3ef1a1866a60 7027232: JSR 292: wrong numeric value returned by MH on solaris-sparc
twisti
parents: 2357
diff changeset
1443 __ st_long(O2_scratch, arg_msw); // Uses O2/O3 on !_LP64
1503
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
1444 }
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
1445 break;
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
1446 case _adapter_opt_unboxl:
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
1447 {
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
1448 // Load the value up from the heap.
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
1449 __ ld_ptr(arg_lsw, O1_scratch);
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
1450 int value_offset = java_lang_boxing_object::value_offset_in_bytes(T_LONG);
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
1451 assert(value_offset == java_lang_boxing_object::value_offset_in_bytes(T_DOUBLE), "");
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
1452 __ null_check(O1_scratch, value_offset);
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
1453 __ ld_long(Address(O1_scratch, value_offset), O2_scratch); // Uses O2/O3 on !_LP64
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
1454 __ st_long(O2_scratch, arg_msw);
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
1455 }
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
1456 break;
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
1457 default:
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
1458 ShouldNotReachHere();
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
1459 }
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
1460
1846
d55217dc206f 6829194: JSR 292 needs to support compressed oops
twisti
parents: 1579
diff changeset
1461 __ load_heap_oop(G3_mh_vmtarget, G3_method_handle);
1503
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
1462 __ jump_to_method_handle_entry(G3_method_handle, O1_scratch);
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
1463 }
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
1464 break;
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
1465
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
1466 case _adapter_opt_f2d: // optimized subcase of adapt_prim_to_prim
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
1467 case _adapter_opt_d2f: // optimized subcase of adapt_prim_to_prim
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
1468 {
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
1469 // perform an in-place floating primitive conversion
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
1470 __ unimplemented(entry_name(ek));
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
1471 }
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
1472 break;
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
1473
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
1474 case _adapter_prim_to_ref:
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
1475 __ unimplemented(entry_name(ek)); // %%% FIXME: NYI
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
1476 break;
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
1477
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
1478 case _adapter_swap_args:
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
1479 case _adapter_rot_args:
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
1480 // handled completely by optimized cases
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
1481 __ stop("init_AdapterMethodHandle should not issue this");
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
1482 break;
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
1483
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
1484 case _adapter_opt_swap_1:
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
1485 case _adapter_opt_swap_2:
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
1486 case _adapter_opt_rot_1_up:
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
1487 case _adapter_opt_rot_1_down:
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
1488 case _adapter_opt_rot_2_up:
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
1489 case _adapter_opt_rot_2_down:
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
1490 {
3753
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1491 int swap_slots = ek_adapter_opt_swap_slots(ek);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1492 int rotate = ek_adapter_opt_swap_mode(ek);
1503
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
1493
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
1494 // 'argslot' is the position of the first argument to swap.
3753
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1495 load_vmargslot(_masm, G3_amh_vmargslot, O0_argslot);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1496 __ add(__ argument_address(O0_argslot, O0_argslot), O0_argslot);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1497 if (VerifyMethodHandles)
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1498 verify_argslot(_masm, O0_argslot, O2_scratch, "swap point must fall within current frame");
1503
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
1499
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
1500 // 'vminfo' is the second.
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
1501 Register O1_destslot = O1_scratch;
3753
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1502 load_conversion_vminfo(_masm, G3_amh_conversion, O1_destslot);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1503 __ add(__ argument_address(O1_destslot, O1_destslot), O1_destslot);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1504 if (VerifyMethodHandles)
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1505 verify_argslot(_masm, O1_destslot, O2_scratch, "swap point must fall within current frame");
1503
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
1506
3753
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1507 assert(Interpreter::stackElementSize == wordSize, "else rethink use of wordSize here");
1503
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
1508 if (!rotate) {
3753
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1509 // simple swap
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1510 for (int i = 0; i < swap_slots; i++) {
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1511 __ ld_ptr( Address(O0_argslot, i * wordSize), O2_scratch);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1512 __ ld_ptr( Address(O1_destslot, i * wordSize), O3_scratch);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1513 __ st_ptr(O3_scratch, Address(O0_argslot, i * wordSize));
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1514 __ st_ptr(O2_scratch, Address(O1_destslot, i * wordSize));
1503
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
1515 }
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
1516 } else {
3753
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1517 // A rotate is actually pair of moves, with an "odd slot" (or pair)
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1518 // changing place with a series of other slots.
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1519 // First, push the "odd slot", which is going to get overwritten
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1520 switch (swap_slots) {
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1521 case 2 : __ ld_ptr(Address(O0_argslot, 1 * wordSize), O4_scratch); // fall-thru
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1522 case 1 : __ ld_ptr(Address(O0_argslot, 0 * wordSize), O3_scratch); break;
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1523 default: ShouldNotReachHere();
1503
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
1524 }
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
1525 if (rotate > 0) {
3753
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1526 // Here is rotate > 0:
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1527 // (low mem) (high mem)
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1528 // | dest: more_slots... | arg: odd_slot :arg+1 |
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1529 // =>
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1530 // | dest: odd_slot | dest+1: more_slots... :arg+1 |
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1531 // work argslot down to destslot, copying contiguous data upwards
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1532 // pseudo-code:
1503
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
1533 // argslot = src_addr - swap_bytes
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
1534 // destslot = dest_addr
3753
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1535 // while (argslot >= destslot) *(argslot + swap_bytes) = *(argslot + 0), argslot--;
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1536 move_arg_slots_up(_masm,
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1537 O1_destslot,
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1538 Address(O0_argslot, 0),
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1539 swap_slots,
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1540 O0_argslot, O2_scratch);
1503
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
1541 } else {
3753
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1542 // Here is the other direction, rotate < 0:
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1543 // (low mem) (high mem)
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1544 // | arg: odd_slot | arg+1: more_slots... :dest+1 |
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1545 // =>
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1546 // | arg: more_slots... | dest: odd_slot :dest+1 |
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1547 // work argslot up to destslot, copying contiguous data downwards
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1548 // pseudo-code:
1503
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
1549 // argslot = src_addr + swap_bytes
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
1550 // destslot = dest_addr
3753
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1551 // while (argslot <= destslot) *(argslot - swap_bytes) = *(argslot + 0), argslot++;
3757
f8c9417e3571 7052219: JSR 292: Crash in ~BufferBlob::MethodHandles adapters
never
parents: 3753
diff changeset
1552 // dest_slot denotes an exclusive upper limit
f8c9417e3571 7052219: JSR 292: Crash in ~BufferBlob::MethodHandles adapters
never
parents: 3753
diff changeset
1553 int limit_bias = OP_ROT_ARGS_DOWN_LIMIT_BIAS;
f8c9417e3571 7052219: JSR 292: Crash in ~BufferBlob::MethodHandles adapters
never
parents: 3753
diff changeset
1554 if (limit_bias != 0)
f8c9417e3571 7052219: JSR 292: Crash in ~BufferBlob::MethodHandles adapters
never
parents: 3753
diff changeset
1555 __ add(O1_destslot, - limit_bias * wordSize, O1_destslot);
3753
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1556 move_arg_slots_down(_masm,
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1557 Address(O0_argslot, swap_slots * wordSize),
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1558 O1_destslot,
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1559 -swap_slots,
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1560 O0_argslot, O2_scratch);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1561
3757
f8c9417e3571 7052219: JSR 292: Crash in ~BufferBlob::MethodHandles adapters
never
parents: 3753
diff changeset
1562 __ sub(O1_destslot, swap_slots * wordSize, O1_destslot);
1503
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
1563 }
3753
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1564 // pop the original first chunk into the destination slot, now free
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1565 switch (swap_slots) {
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1566 case 2 : __ st_ptr(O4_scratch, Address(O1_destslot, 1 * wordSize)); // fall-thru
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1567 case 1 : __ st_ptr(O3_scratch, Address(O1_destslot, 0 * wordSize)); break;
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1568 default: ShouldNotReachHere();
1503
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
1569 }
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
1570 }
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
1571
1846
d55217dc206f 6829194: JSR 292 needs to support compressed oops
twisti
parents: 1579
diff changeset
1572 __ load_heap_oop(G3_mh_vmtarget, G3_method_handle);
1503
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
1573 __ jump_to_method_handle_entry(G3_method_handle, O1_scratch);
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
1574 }
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
1575 break;
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
1576
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
1577 case _adapter_dup_args:
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
1578 {
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
1579 // 'argslot' is the position of the first argument to duplicate.
3753
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1580 load_vmargslot(_masm, G3_amh_vmargslot, O0_argslot);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1581 __ add(__ argument_address(O0_argslot, O0_argslot), O0_argslot);
1503
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
1582
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
1583 // 'stack_move' is negative number of words to duplicate.
3753
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1584 Register O1_stack_move = O1_scratch;
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1585 load_stack_move(_masm, G3_amh_conversion, O1_stack_move);
1503
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
1586
3753
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1587 if (VerifyMethodHandles) {
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1588 verify_argslots(_masm, O1_stack_move, O0_argslot, O2_scratch, O3_scratch, true,
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1589 "copied argument(s) must fall within current frame");
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1590 }
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1591
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1592 // insert location is always the bottom of the argument list:
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1593 __ neg(O1_stack_move);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1594 push_arg_slots(_masm, O0_argslot, O1_stack_move, O2_scratch, O3_scratch);
1503
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
1595
1846
d55217dc206f 6829194: JSR 292 needs to support compressed oops
twisti
parents: 1579
diff changeset
1596 __ load_heap_oop(G3_mh_vmtarget, G3_method_handle);
1503
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
1597 __ jump_to_method_handle_entry(G3_method_handle, O1_scratch);
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
1598 }
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
1599 break;
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
1600
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
1601 case _adapter_drop_args:
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
1602 {
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
1603 // 'argslot' is the position of the first argument to nuke.
3753
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1604 load_vmargslot(_masm, G3_amh_vmargslot, O0_argslot);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1605 __ add(__ argument_address(O0_argslot, O0_argslot), O0_argslot);
1503
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
1606
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
1607 // 'stack_move' is number of words to drop.
3753
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1608 Register O1_stack_move = O1_scratch;
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1609 load_stack_move(_masm, G3_amh_conversion, O1_stack_move);
1503
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
1610
3753
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1611 remove_arg_slots(_masm, O1_stack_move, O0_argslot, O2_scratch, O3_scratch, O4_scratch);
1503
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
1612
1846
d55217dc206f 6829194: JSR 292 needs to support compressed oops
twisti
parents: 1579
diff changeset
1613 __ load_heap_oop(G3_mh_vmtarget, G3_method_handle);
1503
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
1614 __ jump_to_method_handle_entry(G3_method_handle, O1_scratch);
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
1615 }
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
1616 break;
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
1617
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
1618 case _adapter_collect_args:
3753
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1619 case _adapter_fold_args:
1503
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
1620 case _adapter_spread_args:
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
1621 // Handled completely by optimized cases.
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
1622 __ stop("init_AdapterMethodHandle should not issue this");
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
1623 break;
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
1624
3753
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1625 case _adapter_opt_collect_ref:
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1626 case _adapter_opt_collect_int:
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1627 case _adapter_opt_collect_long:
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1628 case _adapter_opt_collect_float:
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1629 case _adapter_opt_collect_double:
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1630 case _adapter_opt_collect_void:
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1631 case _adapter_opt_collect_0_ref:
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1632 case _adapter_opt_collect_1_ref:
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1633 case _adapter_opt_collect_2_ref:
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1634 case _adapter_opt_collect_3_ref:
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1635 case _adapter_opt_collect_4_ref:
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1636 case _adapter_opt_collect_5_ref:
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1637 case _adapter_opt_filter_S0_ref:
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1638 case _adapter_opt_filter_S1_ref:
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1639 case _adapter_opt_filter_S2_ref:
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1640 case _adapter_opt_filter_S3_ref:
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1641 case _adapter_opt_filter_S4_ref:
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1642 case _adapter_opt_filter_S5_ref:
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1643 case _adapter_opt_collect_2_S0_ref:
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1644 case _adapter_opt_collect_2_S1_ref:
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1645 case _adapter_opt_collect_2_S2_ref:
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1646 case _adapter_opt_collect_2_S3_ref:
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1647 case _adapter_opt_collect_2_S4_ref:
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1648 case _adapter_opt_collect_2_S5_ref:
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1649 case _adapter_opt_fold_ref:
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1650 case _adapter_opt_fold_int:
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1651 case _adapter_opt_fold_long:
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1652 case _adapter_opt_fold_float:
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1653 case _adapter_opt_fold_double:
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1654 case _adapter_opt_fold_void:
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1655 case _adapter_opt_fold_1_ref:
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1656 case _adapter_opt_fold_2_ref:
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1657 case _adapter_opt_fold_3_ref:
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1658 case _adapter_opt_fold_4_ref:
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1659 case _adapter_opt_fold_5_ref:
1503
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
1660 {
3753
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1661 // Given a fresh incoming stack frame, build a new ricochet frame.
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1662 // On entry, TOS points at a return PC, and FP is the callers frame ptr.
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1663 // RSI/R13 has the caller's exact stack pointer, which we must also preserve.
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1664 // RCX contains an AdapterMethodHandle of the indicated kind.
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1665
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1666 // Relevant AMH fields:
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1667 // amh.vmargslot:
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1668 // points to the trailing edge of the arguments
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1669 // to filter, collect, or fold. For a boxing operation,
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1670 // it points just after the single primitive value.
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1671 // amh.argument:
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1672 // recursively called MH, on |collect| arguments
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1673 // amh.vmtarget:
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1674 // final destination MH, on return value, etc.
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1675 // amh.conversion.dest:
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1676 // tells what is the type of the return value
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1677 // (not needed here, since dest is also derived from ek)
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1678 // amh.conversion.vminfo:
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1679 // points to the trailing edge of the return value
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1680 // when the vmtarget is to be called; this is
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1681 // equal to vmargslot + (retained ? |collect| : 0)
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1682
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1683 // Pass 0 or more argument slots to the recursive target.
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1684 int collect_count_constant = ek_adapter_opt_collect_count(ek);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1685
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1686 // The collected arguments are copied from the saved argument list:
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1687 int collect_slot_constant = ek_adapter_opt_collect_slot(ek);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1688
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1689 assert(ek_orig == _adapter_collect_args ||
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1690 ek_orig == _adapter_fold_args, "");
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1691 bool retain_original_args = (ek_orig == _adapter_fold_args);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1692
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1693 // The return value is replaced (or inserted) at the 'vminfo' argslot.
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1694 // Sometimes we can compute this statically.
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1695 int dest_slot_constant = -1;
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1696 if (!retain_original_args)
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1697 dest_slot_constant = collect_slot_constant;
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1698 else if (collect_slot_constant >= 0 && collect_count_constant >= 0)
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1699 // We are preserving all the arguments, and the return value is prepended,
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1700 // so the return slot is to the left (above) the |collect| sequence.
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1701 dest_slot_constant = collect_slot_constant + collect_count_constant;
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1702
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1703 // Replace all those slots by the result of the recursive call.
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1704 // The result type can be one of ref, int, long, float, double, void.
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1705 // In the case of void, nothing is pushed on the stack after return.
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1706 BasicType dest = ek_adapter_opt_collect_type(ek);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1707 assert(dest == type2wfield[dest], "dest is a stack slot type");
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1708 int dest_count = type2size[dest];
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1709 assert(dest_count == 1 || dest_count == 2 || (dest_count == 0 && dest == T_VOID), "dest has a size");
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1710
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1711 // Choose a return continuation.
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1712 EntryKind ek_ret = _adapter_opt_return_any;
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1713 if (dest != T_CONFLICT && OptimizeMethodHandles) {
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1714 switch (dest) {
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1715 case T_INT : ek_ret = _adapter_opt_return_int; break;
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1716 case T_LONG : ek_ret = _adapter_opt_return_long; break;
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1717 case T_FLOAT : ek_ret = _adapter_opt_return_float; break;
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1718 case T_DOUBLE : ek_ret = _adapter_opt_return_double; break;
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1719 case T_OBJECT : ek_ret = _adapter_opt_return_ref; break;
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1720 case T_VOID : ek_ret = _adapter_opt_return_void; break;
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1721 default : ShouldNotReachHere();
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1722 }
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1723 if (dest == T_OBJECT && dest_slot_constant >= 0) {
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1724 EntryKind ek_try = EntryKind(_adapter_opt_return_S0_ref + dest_slot_constant);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1725 if (ek_try <= _adapter_opt_return_LAST &&
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1726 ek_adapter_opt_return_slot(ek_try) == dest_slot_constant) {
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1727 ek_ret = ek_try;
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1728 }
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1729 }
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1730 assert(ek_adapter_opt_return_type(ek_ret) == dest, "");
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1731 }
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1732
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1733 // Already pushed: ... keep1 | collect | keep2 |
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1734
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1735 // Push a few extra argument words, if we need them to store the return value.
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1736 {
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1737 int extra_slots = 0;
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1738 if (retain_original_args) {
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1739 extra_slots = dest_count;
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1740 } else if (collect_count_constant == -1) {
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1741 extra_slots = dest_count; // collect_count might be zero; be generous
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1742 } else if (dest_count > collect_count_constant) {
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1743 extra_slots = (dest_count - collect_count_constant);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1744 } else {
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1745 // else we know we have enough dead space in |collect| to repurpose for return values
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1746 }
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1747 if (extra_slots != 0) {
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1748 __ sub(SP, round_to(extra_slots, 2) * Interpreter::stackElementSize, SP);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1749 }
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1750 }
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1751
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1752 // Set up Ricochet Frame.
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1753 __ mov(SP, O5_savedSP); // record SP for the callee
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1754
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1755 // One extra (empty) slot for outgoing target MH (see Gargs computation below).
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1756 __ save_frame(2); // Note: we need to add 2 slots since frame::memory_parameter_word_sp_offset is 23.
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1757
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1758 // Note: Gargs is live throughout the following, until we make our recursive call.
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1759 // And the RF saves a copy in L4_saved_args_base.
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1760
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1761 RicochetFrame::enter_ricochet_frame(_masm, G3_method_handle, Gargs,
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1762 entry(ek_ret)->from_interpreted_entry());
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1763
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1764 // Compute argument base:
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1765 // Set up Gargs for current frame, extra (empty) slot is for outgoing target MH (space reserved by save_frame above).
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1766 __ add(FP, STACK_BIAS - (1 * Interpreter::stackElementSize), Gargs);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1767
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1768 // Now pushed: ... keep1 | collect | keep2 | extra | [RF]
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1769
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1770 #ifdef ASSERT
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1771 if (VerifyMethodHandles && dest != T_CONFLICT) {
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1772 BLOCK_COMMENT("verify AMH.conv.dest {");
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1773 extract_conversion_dest_type(_masm, RicochetFrame::L5_conversion, O1_scratch);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1774 Label L_dest_ok;
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1775 __ cmp(O1_scratch, (int) dest);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1776 __ br(Assembler::equal, false, Assembler::pt, L_dest_ok);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1777 __ delayed()->nop();
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1778 if (dest == T_INT) {
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1779 for (int bt = T_BOOLEAN; bt < T_INT; bt++) {
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1780 if (is_subword_type(BasicType(bt))) {
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1781 __ cmp(O1_scratch, (int) bt);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1782 __ br(Assembler::equal, false, Assembler::pt, L_dest_ok);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1783 __ delayed()->nop();
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1784 }
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1785 }
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1786 }
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1787 __ stop("bad dest in AMH.conv");
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1788 __ BIND(L_dest_ok);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1789 BLOCK_COMMENT("} verify AMH.conv.dest");
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1790 }
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1791 #endif //ASSERT
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1792
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1793 // Find out where the original copy of the recursive argument sequence begins.
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1794 Register O0_coll = O0_scratch;
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1795 {
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1796 RegisterOrConstant collect_slot = collect_slot_constant;
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1797 if (collect_slot_constant == -1) {
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1798 load_vmargslot(_masm, G3_amh_vmargslot, O1_scratch);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1799 collect_slot = O1_scratch;
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1800 }
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1801 // collect_slot might be 0, but we need the move anyway.
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1802 __ add(RicochetFrame::L4_saved_args_base, __ argument_offset(collect_slot, collect_slot.register_or_noreg()), O0_coll);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1803 // O0_coll now points at the trailing edge of |collect| and leading edge of |keep2|
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1804 }
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1805
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1806 // Replace the old AMH with the recursive MH. (No going back now.)
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1807 // In the case of a boxing call, the recursive call is to a 'boxer' method,
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1808 // such as Integer.valueOf or Long.valueOf. In the case of a filter
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1809 // or collect call, it will take one or more arguments, transform them,
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1810 // and return some result, to store back into argument_base[vminfo].
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1811 __ load_heap_oop(G3_amh_argument, G3_method_handle);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1812 if (VerifyMethodHandles) verify_method_handle(_masm, G3_method_handle, O1_scratch, O2_scratch);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1813
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1814 // Calculate |collect|, the number of arguments we are collecting.
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1815 Register O1_collect_count = O1_scratch;
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1816 RegisterOrConstant collect_count;
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1817 if (collect_count_constant < 0) {
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1818 __ load_method_handle_vmslots(O1_collect_count, G3_method_handle, O2_scratch);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1819 collect_count = O1_collect_count;
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1820 } else {
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1821 collect_count = collect_count_constant;
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1822 #ifdef ASSERT
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1823 if (VerifyMethodHandles) {
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1824 BLOCK_COMMENT("verify collect_count_constant {");
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1825 __ load_method_handle_vmslots(O3_scratch, G3_method_handle, O2_scratch);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1826 Label L_count_ok;
3839
3d42f82cd811 7063628: Use cbcond on T4
kvn
parents: 3808
diff changeset
1827 __ cmp_and_br_short(O3_scratch, collect_count_constant, Assembler::equal, Assembler::pt, L_count_ok);
3753
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1828 __ stop("bad vminfo in AMH.conv");
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1829 __ BIND(L_count_ok);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1830 BLOCK_COMMENT("} verify collect_count_constant");
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1831 }
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1832 #endif //ASSERT
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1833 }
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1834
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1835 // copy |collect| slots directly to TOS:
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1836 push_arg_slots(_masm, O0_coll, collect_count, O2_scratch, O3_scratch);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1837 // Now pushed: ... keep1 | collect | keep2 | RF... | collect |
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1838 // O0_coll still points at the trailing edge of |collect| and leading edge of |keep2|
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1839
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1840 // If necessary, adjust the saved arguments to make room for the eventual return value.
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1841 // Normal adjustment: ... keep1 | +dest+ | -collect- | keep2 | RF... | collect |
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1842 // If retaining args: ... keep1 | +dest+ | collect | keep2 | RF... | collect |
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1843 // In the non-retaining case, this might move keep2 either up or down.
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1844 // We don't have to copy the whole | RF... collect | complex,
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1845 // but we must adjust RF.saved_args_base.
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1846 // Also, from now on, we will forget about the original copy of |collect|.
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1847 // If we are retaining it, we will treat it as part of |keep2|.
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1848 // For clarity we will define |keep3| = |collect|keep2| or |keep2|.
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1849
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1850 BLOCK_COMMENT("adjust trailing arguments {");
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1851 // Compare the sizes of |+dest+| and |-collect-|, which are opposed opening and closing movements.
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1852 int open_count = dest_count;
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1853 RegisterOrConstant close_count = collect_count_constant;
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1854 Register O1_close_count = O1_collect_count;
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1855 if (retain_original_args) {
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1856 close_count = constant(0);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1857 } else if (collect_count_constant == -1) {
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1858 close_count = O1_collect_count;
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1859 }
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1860
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1861 // How many slots need moving? This is simply dest_slot (0 => no |keep3|).
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1862 RegisterOrConstant keep3_count;
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1863 Register O2_keep3_count = O2_scratch;
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1864 if (dest_slot_constant < 0) {
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1865 extract_conversion_vminfo(_masm, RicochetFrame::L5_conversion, O2_keep3_count);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1866 keep3_count = O2_keep3_count;
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1867 } else {
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1868 keep3_count = dest_slot_constant;
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1869 #ifdef ASSERT
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1870 if (VerifyMethodHandles && dest_slot_constant < 0) {
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1871 BLOCK_COMMENT("verify dest_slot_constant {");
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1872 extract_conversion_vminfo(_masm, RicochetFrame::L5_conversion, O3_scratch);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1873 Label L_vminfo_ok;
3839
3d42f82cd811 7063628: Use cbcond on T4
kvn
parents: 3808
diff changeset
1874 __ cmp_and_br_short(O3_scratch, dest_slot_constant, Assembler::equal, Assembler::pt, L_vminfo_ok);
3753
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1875 __ stop("bad vminfo in AMH.conv");
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1876 __ BIND(L_vminfo_ok);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1877 BLOCK_COMMENT("} verify dest_slot_constant");
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1878 }
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1879 #endif //ASSERT
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1880 }
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1881
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1882 // tasks remaining:
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1883 bool move_keep3 = (!keep3_count.is_constant() || keep3_count.as_constant() != 0);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1884 bool stomp_dest = (NOT_DEBUG(dest == T_OBJECT) DEBUG_ONLY(dest_count != 0));
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1885 bool fix_arg_base = (!close_count.is_constant() || open_count != close_count.as_constant());
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1886
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1887 // Old and new argument locations (based at slot 0).
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1888 // Net shift (&new_argv - &old_argv) is (close_count - open_count).
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1889 bool zero_open_count = (open_count == 0); // remember this bit of info
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1890 if (move_keep3 && fix_arg_base) {
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1891 // It will be easier to have everything in one register:
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1892 if (close_count.is_register()) {
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1893 // Deduct open_count from close_count register to get a clean +/- value.
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1894 __ sub(close_count.as_register(), open_count, close_count.as_register());
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1895 } else {
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1896 close_count = close_count.as_constant() - open_count;
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1897 }
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1898 open_count = 0;
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1899 }
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1900 Register L4_old_argv = RicochetFrame::L4_saved_args_base;
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1901 Register O3_new_argv = O3_scratch;
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1902 if (fix_arg_base) {
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1903 __ add(L4_old_argv, __ argument_offset(close_count, O4_scratch), O3_new_argv,
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1904 -(open_count * Interpreter::stackElementSize));
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1905 }
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1906
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1907 // First decide if any actual data are to be moved.
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1908 // We can skip if (a) |keep3| is empty, or (b) the argument list size didn't change.
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1909 // (As it happens, all movements involve an argument list size change.)
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1910
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1911 // If there are variable parameters, use dynamic checks to skip around the whole mess.
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1912 Label L_done;
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1913 if (keep3_count.is_register()) {
3839
3d42f82cd811 7063628: Use cbcond on T4
kvn
parents: 3808
diff changeset
1914 __ cmp_and_br_short(keep3_count.as_register(), 0, Assembler::equal, Assembler::pn, L_done);
3753
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1915 }
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1916 if (close_count.is_register()) {
3839
3d42f82cd811 7063628: Use cbcond on T4
kvn
parents: 3808
diff changeset
1917 __ cmp_and_br_short(close_count.as_register(), open_count, Assembler::equal, Assembler::pn, L_done);
3753
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1918 }
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1919
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1920 if (move_keep3 && fix_arg_base) {
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1921 bool emit_move_down = false, emit_move_up = false, emit_guard = false;
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1922 if (!close_count.is_constant()) {
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1923 emit_move_down = emit_guard = !zero_open_count;
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1924 emit_move_up = true;
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1925 } else if (open_count != close_count.as_constant()) {
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1926 emit_move_down = (open_count > close_count.as_constant());
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1927 emit_move_up = !emit_move_down;
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1928 }
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1929 Label L_move_up;
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1930 if (emit_guard) {
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1931 __ cmp(close_count.as_register(), open_count);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1932 __ br(Assembler::greater, false, Assembler::pn, L_move_up);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1933 __ delayed()->nop();
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1934 }
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1935
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1936 if (emit_move_down) {
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1937 // Move arguments down if |+dest+| > |-collect-|
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1938 // (This is rare, except when arguments are retained.)
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1939 // This opens space for the return value.
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1940 if (keep3_count.is_constant()) {
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1941 for (int i = 0; i < keep3_count.as_constant(); i++) {
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1942 __ ld_ptr( Address(L4_old_argv, i * Interpreter::stackElementSize), O4_scratch);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1943 __ st_ptr(O4_scratch, Address(O3_new_argv, i * Interpreter::stackElementSize) );
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1944 }
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1945 } else {
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1946 // Live: O1_close_count, O2_keep3_count, O3_new_argv
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1947 Register argv_top = O0_scratch;
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1948 __ add(L4_old_argv, __ argument_offset(keep3_count, O4_scratch), argv_top);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1949 move_arg_slots_down(_masm,
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1950 Address(L4_old_argv, 0), // beginning of old argv
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1951 argv_top, // end of old argv
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1952 close_count, // distance to move down (must be negative)
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1953 O4_scratch, G5_scratch);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1954 }
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1955 }
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1956
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1957 if (emit_guard) {
3839
3d42f82cd811 7063628: Use cbcond on T4
kvn
parents: 3808
diff changeset
1958 __ ba_short(L_done); // assumes emit_move_up is true also
3753
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1959 __ BIND(L_move_up);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1960 }
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1961
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1962 if (emit_move_up) {
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1963 // Move arguments up if |+dest+| < |-collect-|
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1964 // (This is usual, except when |keep3| is empty.)
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1965 // This closes up the space occupied by the now-deleted collect values.
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1966 if (keep3_count.is_constant()) {
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1967 for (int i = keep3_count.as_constant() - 1; i >= 0; i--) {
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1968 __ ld_ptr( Address(L4_old_argv, i * Interpreter::stackElementSize), O4_scratch);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1969 __ st_ptr(O4_scratch, Address(O3_new_argv, i * Interpreter::stackElementSize) );
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1970 }
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1971 } else {
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1972 Address argv_top(L4_old_argv, __ argument_offset(keep3_count, O4_scratch));
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1973 // Live: O1_close_count, O2_keep3_count, O3_new_argv
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1974 move_arg_slots_up(_masm,
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1975 L4_old_argv, // beginning of old argv
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1976 argv_top, // end of old argv
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1977 close_count, // distance to move up (must be positive)
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1978 O4_scratch, G5_scratch);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1979 }
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1980 }
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1981 }
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1982 __ BIND(L_done);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1983
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1984 if (fix_arg_base) {
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1985 // adjust RF.saved_args_base
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1986 __ mov(O3_new_argv, RicochetFrame::L4_saved_args_base);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1987 }
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1988
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1989 if (stomp_dest) {
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1990 // Stomp the return slot, so it doesn't hold garbage.
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1991 // This isn't strictly necessary, but it may help detect bugs.
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1992 __ set(RicochetFrame::RETURN_VALUE_PLACEHOLDER, O4_scratch);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1993 __ st_ptr(O4_scratch, Address(RicochetFrame::L4_saved_args_base,
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1994 __ argument_offset(keep3_count, keep3_count.register_or_noreg()))); // uses O2_keep3_count
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1995 }
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1996 BLOCK_COMMENT("} adjust trailing arguments");
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1997
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1998 BLOCK_COMMENT("do_recursive_call");
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
1999 __ mov(SP, O5_savedSP); // record SP for the callee
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
2000 __ set(ExternalAddress(SharedRuntime::ricochet_blob()->bounce_addr() - frame::pc_return_offset), O7);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
2001 // The globally unique bounce address has two purposes:
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
2002 // 1. It helps the JVM recognize this frame (frame::is_ricochet_frame).
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
2003 // 2. When returned to, it cuts back the stack and redirects control flow
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
2004 // to the return handler.
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
2005 // The return handler will further cut back the stack when it takes
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
2006 // down the RF. Perhaps there is a way to streamline this further.
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
2007
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
2008 // State during recursive call:
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
2009 // ... keep1 | dest | dest=42 | keep3 | RF... | collect | bounce_pc |
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
2010 __ jump_to_method_handle_entry(G3_method_handle, O1_scratch);
1503
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
2011 }
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
2012 break;
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
2013
3753
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
2014 case _adapter_opt_return_ref:
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
2015 case _adapter_opt_return_int:
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
2016 case _adapter_opt_return_long:
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
2017 case _adapter_opt_return_float:
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
2018 case _adapter_opt_return_double:
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
2019 case _adapter_opt_return_void:
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
2020 case _adapter_opt_return_S0_ref:
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
2021 case _adapter_opt_return_S1_ref:
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
2022 case _adapter_opt_return_S2_ref:
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
2023 case _adapter_opt_return_S3_ref:
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
2024 case _adapter_opt_return_S4_ref:
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
2025 case _adapter_opt_return_S5_ref:
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
2026 {
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
2027 BasicType dest_type_constant = ek_adapter_opt_return_type(ek);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
2028 int dest_slot_constant = ek_adapter_opt_return_slot(ek);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
2029
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
2030 if (VerifyMethodHandles) RicochetFrame::verify_clean(_masm);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
2031
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
2032 if (dest_slot_constant == -1) {
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
2033 // The current stub is a general handler for this dest_type.
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
2034 // It can be called from _adapter_opt_return_any below.
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
2035 // Stash the address in a little table.
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
2036 assert((dest_type_constant & CONV_TYPE_MASK) == dest_type_constant, "oob");
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
2037 address return_handler = __ pc();
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
2038 _adapter_return_handlers[dest_type_constant] = return_handler;
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
2039 if (dest_type_constant == T_INT) {
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
2040 // do the subword types too
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
2041 for (int bt = T_BOOLEAN; bt < T_INT; bt++) {
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
2042 if (is_subword_type(BasicType(bt)) &&
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
2043 _adapter_return_handlers[bt] == NULL) {
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
2044 _adapter_return_handlers[bt] = return_handler;
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
2045 }
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
2046 }
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
2047 }
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
2048 }
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
2049
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
2050 // On entry to this continuation handler, make Gargs live again.
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
2051 __ mov(RicochetFrame::L4_saved_args_base, Gargs);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
2052
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
2053 Register O7_temp = O7;
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
2054 Register O5_vminfo = O5;
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
2055
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
2056 RegisterOrConstant dest_slot = dest_slot_constant;
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
2057 if (dest_slot_constant == -1) {
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
2058 extract_conversion_vminfo(_masm, RicochetFrame::L5_conversion, O5_vminfo);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
2059 dest_slot = O5_vminfo;
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
2060 }
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
2061 // Store the result back into the argslot.
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
2062 // This code uses the interpreter calling sequence, in which the return value
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
2063 // is usually left in the TOS register, as defined by InterpreterMacroAssembler::pop.
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
2064 // There are certain irregularities with floating point values, which can be seen
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
2065 // in TemplateInterpreterGenerator::generate_return_entry_for.
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
2066 move_return_value(_masm, dest_type_constant, __ argument_address(dest_slot, O7_temp));
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
2067
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
2068 RicochetFrame::leave_ricochet_frame(_masm, G3_method_handle, I5_savedSP, I7);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
2069
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
2070 // Load the final target and go.
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
2071 if (VerifyMethodHandles) verify_method_handle(_masm, G3_method_handle, O0_scratch, O1_scratch);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
2072 __ restore(I5_savedSP, G0, SP);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
2073 __ jump_to_method_handle_entry(G3_method_handle, O0_scratch);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
2074 __ illtrap(0);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
2075 }
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
2076 break;
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
2077
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
2078 case _adapter_opt_return_any:
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
2079 {
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
2080 Register O7_temp = O7;
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
2081 Register O5_dest_type = O5;
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
2082
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
2083 if (VerifyMethodHandles) RicochetFrame::verify_clean(_masm);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
2084 extract_conversion_dest_type(_masm, RicochetFrame::L5_conversion, O5_dest_type);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
2085 __ set(ExternalAddress((address) &_adapter_return_handlers[0]), O7_temp);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
2086 __ sll_ptr(O5_dest_type, LogBytesPerWord, O5_dest_type);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
2087 __ ld_ptr(O7_temp, O5_dest_type, O7_temp);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
2088
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
2089 #ifdef ASSERT
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
2090 { Label L_ok;
3839
3d42f82cd811 7063628: Use cbcond on T4
kvn
parents: 3808
diff changeset
2091 __ br_notnull_short(O7_temp, Assembler::pt, L_ok);
3753
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
2092 __ stop("bad method handle return");
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
2093 __ BIND(L_ok);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
2094 }
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
2095 #endif //ASSERT
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
2096 __ JMP(O7_temp, 0);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
2097 __ delayed()->nop();
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
2098 }
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
2099 break;
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
2100
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
2101 case _adapter_opt_spread_0:
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
2102 case _adapter_opt_spread_1_ref:
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
2103 case _adapter_opt_spread_2_ref:
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
2104 case _adapter_opt_spread_3_ref:
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
2105 case _adapter_opt_spread_4_ref:
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
2106 case _adapter_opt_spread_5_ref:
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
2107 case _adapter_opt_spread_ref:
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
2108 case _adapter_opt_spread_byte:
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
2109 case _adapter_opt_spread_char:
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
2110 case _adapter_opt_spread_short:
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
2111 case _adapter_opt_spread_int:
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
2112 case _adapter_opt_spread_long:
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
2113 case _adapter_opt_spread_float:
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
2114 case _adapter_opt_spread_double:
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
2115 {
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
2116 // spread an array out into a group of arguments
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
2117 int length_constant = ek_adapter_opt_spread_count(ek);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
2118 bool length_can_be_zero = (length_constant == 0);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
2119 if (length_constant < 0) {
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
2120 // some adapters with variable length must handle the zero case
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
2121 if (!OptimizeMethodHandles ||
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
2122 ek_adapter_opt_spread_type(ek) != T_OBJECT)
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
2123 length_can_be_zero = true;
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
2124 }
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
2125
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
2126 // find the address of the array argument
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
2127 load_vmargslot(_masm, G3_amh_vmargslot, O0_argslot);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
2128 __ add(__ argument_address(O0_argslot, O0_argslot), O0_argslot);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
2129
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
2130 // O0_argslot points both to the array and to the first output arg
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
2131 Address vmarg = Address(O0_argslot, 0);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
2132
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
2133 // Get the array value.
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
2134 Register O1_array = O1_scratch;
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
2135 Register O2_array_klass = O2_scratch;
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
2136 BasicType elem_type = ek_adapter_opt_spread_type(ek);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
2137 int elem_slots = type2size[elem_type]; // 1 or 2
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
2138 int array_slots = 1; // array is always a T_OBJECT
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
2139 int length_offset = arrayOopDesc::length_offset_in_bytes();
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
2140 int elem0_offset = arrayOopDesc::base_offset_in_bytes(elem_type);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
2141 __ ld_ptr(vmarg, O1_array);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
2142
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
2143 Label L_array_is_empty, L_insert_arg_space, L_copy_args, L_args_done;
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
2144 if (length_can_be_zero) {
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
2145 // handle the null pointer case, if zero is allowed
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
2146 Label L_skip;
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
2147 if (length_constant < 0) {
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
2148 load_conversion_vminfo(_masm, G3_amh_conversion, O3_scratch);
3839
3d42f82cd811 7063628: Use cbcond on T4
kvn
parents: 3808
diff changeset
2149 __ cmp_zero_and_br(Assembler::notZero, O3_scratch, L_skip);
3d42f82cd811 7063628: Use cbcond on T4
kvn
parents: 3808
diff changeset
2150 __ delayed()->nop(); // to avoid back-to-back cbcond instructions
3753
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
2151 }
3839
3d42f82cd811 7063628: Use cbcond on T4
kvn
parents: 3808
diff changeset
2152 __ br_null_short(O1_array, Assembler::pn, L_array_is_empty);
3753
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
2153 __ BIND(L_skip);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
2154 }
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
2155 __ null_check(O1_array, oopDesc::klass_offset_in_bytes());
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
2156 __ load_klass(O1_array, O2_array_klass);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
2157
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
2158 // Check the array type.
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
2159 Register O3_klass = O3_scratch;
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
2160 __ load_heap_oop(G3_amh_argument, O3_klass); // this is a Class object!
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
2161 load_klass_from_Class(_masm, O3_klass, O4_scratch, G5_scratch);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
2162
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
2163 Label L_ok_array_klass, L_bad_array_klass, L_bad_array_length;
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
2164 __ check_klass_subtype(O2_array_klass, O3_klass, O4_scratch, G5_scratch, L_ok_array_klass);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
2165 // If we get here, the type check failed!
3839
3d42f82cd811 7063628: Use cbcond on T4
kvn
parents: 3808
diff changeset
2166 __ ba_short(L_bad_array_klass);
3753
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
2167 __ BIND(L_ok_array_klass);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
2168
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
2169 // Check length.
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
2170 if (length_constant >= 0) {
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
2171 __ ldsw(Address(O1_array, length_offset), O4_scratch);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
2172 __ cmp(O4_scratch, length_constant);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
2173 } else {
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
2174 Register O3_vminfo = O3_scratch;
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
2175 load_conversion_vminfo(_masm, G3_amh_conversion, O3_vminfo);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
2176 __ ldsw(Address(O1_array, length_offset), O4_scratch);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
2177 __ cmp(O3_vminfo, O4_scratch);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
2178 }
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
2179 __ br(Assembler::notEqual, false, Assembler::pn, L_bad_array_length);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
2180 __ delayed()->nop();
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
2181
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
2182 Register O2_argslot_limit = O2_scratch;
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
2183
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
2184 // Array length checks out. Now insert any required stack slots.
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
2185 if (length_constant == -1) {
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
2186 // Form a pointer to the end of the affected region.
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
2187 __ add(O0_argslot, Interpreter::stackElementSize, O2_argslot_limit);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
2188 // 'stack_move' is negative number of words to insert
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
2189 // This number already accounts for elem_slots.
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
2190 Register O3_stack_move = O3_scratch;
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
2191 load_stack_move(_masm, G3_amh_conversion, O3_stack_move);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
2192 __ cmp(O3_stack_move, 0);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
2193 assert(stack_move_unit() < 0, "else change this comparison");
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
2194 __ br(Assembler::less, false, Assembler::pn, L_insert_arg_space);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
2195 __ delayed()->nop();
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
2196 __ br(Assembler::equal, false, Assembler::pn, L_copy_args);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
2197 __ delayed()->nop();
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
2198 // single argument case, with no array movement
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
2199 __ BIND(L_array_is_empty);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
2200 remove_arg_slots(_masm, -stack_move_unit() * array_slots,
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
2201 O0_argslot, O1_scratch, O2_scratch, O3_scratch);
3839
3d42f82cd811 7063628: Use cbcond on T4
kvn
parents: 3808
diff changeset
2202 __ ba_short(L_args_done); // no spreading to do
3753
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
2203 __ BIND(L_insert_arg_space);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
2204 // come here in the usual case, stack_move < 0 (2 or more spread arguments)
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
2205 // Live: O1_array, O2_argslot_limit, O3_stack_move
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
2206 insert_arg_slots(_masm, O3_stack_move,
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
2207 O0_argslot, O4_scratch, G5_scratch, O1_scratch);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
2208 // reload from rdx_argslot_limit since rax_argslot is now decremented
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
2209 __ ld_ptr(Address(O2_argslot_limit, -Interpreter::stackElementSize), O1_array);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
2210 } else if (length_constant >= 1) {
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
2211 int new_slots = (length_constant * elem_slots) - array_slots;
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
2212 insert_arg_slots(_masm, new_slots * stack_move_unit(),
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
2213 O0_argslot, O2_scratch, O3_scratch, O4_scratch);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
2214 } else if (length_constant == 0) {
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
2215 __ BIND(L_array_is_empty);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
2216 remove_arg_slots(_masm, -stack_move_unit() * array_slots,
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
2217 O0_argslot, O1_scratch, O2_scratch, O3_scratch);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
2218 } else {
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
2219 ShouldNotReachHere();
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
2220 }
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
2221
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
2222 // Copy from the array to the new slots.
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
2223 // Note: Stack change code preserves integrity of O0_argslot pointer.
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
2224 // So even after slot insertions, O0_argslot still points to first argument.
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
2225 // Beware: Arguments that are shallow on the stack are deep in the array,
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
2226 // and vice versa. So a downward-growing stack (the usual) has to be copied
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
2227 // elementwise in reverse order from the source array.
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
2228 __ BIND(L_copy_args);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
2229 if (length_constant == -1) {
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
2230 // [O0_argslot, O2_argslot_limit) is the area we are inserting into.
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
2231 // Array element [0] goes at O0_argslot_limit[-wordSize].
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
2232 Register O1_source = O1_array;
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
2233 __ add(Address(O1_array, elem0_offset), O1_source);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
2234 Register O4_fill_ptr = O4_scratch;
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
2235 __ mov(O2_argslot_limit, O4_fill_ptr);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
2236 Label L_loop;
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
2237 __ BIND(L_loop);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
2238 __ add(O4_fill_ptr, -Interpreter::stackElementSize * elem_slots, O4_fill_ptr);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
2239 move_typed_arg(_masm, elem_type, true,
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
2240 Address(O1_source, 0), Address(O4_fill_ptr, 0),
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
2241 O2_scratch); // must be an even register for !_LP64 long moves (uses O2/O3)
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
2242 __ add(O1_source, type2aelembytes(elem_type), O1_source);
3839
3d42f82cd811 7063628: Use cbcond on T4
kvn
parents: 3808
diff changeset
2243 __ cmp_and_brx_short(O4_fill_ptr, O0_argslot, Assembler::greaterUnsigned, Assembler::pt, L_loop);
3753
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
2244 } else if (length_constant == 0) {
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
2245 // nothing to copy
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
2246 } else {
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
2247 int elem_offset = elem0_offset;
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
2248 int slot_offset = length_constant * Interpreter::stackElementSize;
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
2249 for (int index = 0; index < length_constant; index++) {
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
2250 slot_offset -= Interpreter::stackElementSize * elem_slots; // fill backward
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
2251 move_typed_arg(_masm, elem_type, true,
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
2252 Address(O1_array, elem_offset), Address(O0_argslot, slot_offset),
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
2253 O2_scratch); // must be an even register for !_LP64 long moves (uses O2/O3)
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
2254 elem_offset += type2aelembytes(elem_type);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
2255 }
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
2256 }
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
2257 __ BIND(L_args_done);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
2258
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
2259 // Arguments are spread. Move to next method handle.
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
2260 __ load_heap_oop(G3_mh_vmtarget, G3_method_handle);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
2261 __ jump_to_method_handle_entry(G3_method_handle, O1_scratch);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
2262
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
2263 __ BIND(L_bad_array_klass);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
2264 assert(!vmarg.uses(O2_required), "must be different registers");
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
2265 __ load_heap_oop(Address(O2_array_klass, java_mirror_offset), O2_required); // required class
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
2266 __ ld_ptr( vmarg, O1_actual); // bad object
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
2267 __ jump_to(AddressLiteral(from_interpreted_entry(_raise_exception)), O3_scratch);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
2268 __ delayed()->mov(Bytecodes::_aaload, O0_code); // who is complaining?
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
2269
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
2270 __ bind(L_bad_array_length);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
2271 assert(!vmarg.uses(O2_required), "must be different registers");
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
2272 __ mov( G3_method_handle, O2_required); // required class
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
2273 __ ld_ptr(vmarg, O1_actual); // bad object
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
2274 __ jump_to(AddressLiteral(from_interpreted_entry(_raise_exception)), O3_scratch);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
2275 __ delayed()->mov(Bytecodes::_arraylength, O0_code); // who is complaining?
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
2276 }
1503
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
2277 break;
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
2278
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
2279 default:
3753
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
2280 DEBUG_ONLY(tty->print_cr("bad ek=%d (%s)", (int)ek, entry_name(ek)));
1503
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
2281 ShouldNotReachHere();
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
2282 }
3753
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents: 3371
diff changeset
2283 BLOCK_COMMENT(err_msg("} Entry %s", entry_name(ek)));
1503
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
2284
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
2285 address me_cookie = MethodHandleEntry::start_compiled_entry(_masm, interp_entry);
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
2286 __ unimplemented(entry_name(ek)); // %%% FIXME: NYI
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
2287
c640000b7cc1 6829193: JSR 292 needs to support SPARC
twisti
parents: 710
diff changeset
2288 init_entry(ek, MethodHandleEntry::finish_compiled_entry(_masm, me_cookie));
710
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents:
diff changeset
2289 }