Mercurial > hg > truffle
annotate src/cpu/sparc/vm/compiledIC_sparc.cpp @ 17611:d6e7180abab5
8026478: -XX:+VerifyAdapterSharing is broken
Summary: Fix by considering all checks in StubRoutines
Reviewed-by: kvn, twisti
author | anoll |
---|---|
date | Thu, 19 Dec 2013 06:09:16 +0100 |
parents | a6e09d6dd8e5 |
children | 36bcc10e01c0 c64b6b0c40c8 |
rev | line source |
---|---|
10168
a6e09d6dd8e5
8003853: specify offset of IC load in java_to_interp stub
dlong
parents:
diff
changeset
|
1 /* |
a6e09d6dd8e5
8003853: specify offset of IC load in java_to_interp stub
dlong
parents:
diff
changeset
|
2 * Copyright (c) 1997, 2013, Oracle and/or its affiliates. All rights reserved. |
a6e09d6dd8e5
8003853: specify offset of IC load in java_to_interp stub
dlong
parents:
diff
changeset
|
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
a6e09d6dd8e5
8003853: specify offset of IC load in java_to_interp stub
dlong
parents:
diff
changeset
|
4 * |
a6e09d6dd8e5
8003853: specify offset of IC load in java_to_interp stub
dlong
parents:
diff
changeset
|
5 * This code is free software; you can redistribute it and/or modify it |
a6e09d6dd8e5
8003853: specify offset of IC load in java_to_interp stub
dlong
parents:
diff
changeset
|
6 * under the terms of the GNU General Public License version 2 only, as |
a6e09d6dd8e5
8003853: specify offset of IC load in java_to_interp stub
dlong
parents:
diff
changeset
|
7 * published by the Free Software Foundation. |
a6e09d6dd8e5
8003853: specify offset of IC load in java_to_interp stub
dlong
parents:
diff
changeset
|
8 * |
a6e09d6dd8e5
8003853: specify offset of IC load in java_to_interp stub
dlong
parents:
diff
changeset
|
9 * This code is distributed in the hope that it will be useful, but WITHOUT |
a6e09d6dd8e5
8003853: specify offset of IC load in java_to_interp stub
dlong
parents:
diff
changeset
|
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
a6e09d6dd8e5
8003853: specify offset of IC load in java_to_interp stub
dlong
parents:
diff
changeset
|
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
a6e09d6dd8e5
8003853: specify offset of IC load in java_to_interp stub
dlong
parents:
diff
changeset
|
12 * version 2 for more details (a copy is included in the LICENSE file that |
a6e09d6dd8e5
8003853: specify offset of IC load in java_to_interp stub
dlong
parents:
diff
changeset
|
13 * accompanied this code). |
a6e09d6dd8e5
8003853: specify offset of IC load in java_to_interp stub
dlong
parents:
diff
changeset
|
14 * |
a6e09d6dd8e5
8003853: specify offset of IC load in java_to_interp stub
dlong
parents:
diff
changeset
|
15 * You should have received a copy of the GNU General Public License version |
a6e09d6dd8e5
8003853: specify offset of IC load in java_to_interp stub
dlong
parents:
diff
changeset
|
16 * 2 along with this work; if not, write to the Free Software Foundation, |
a6e09d6dd8e5
8003853: specify offset of IC load in java_to_interp stub
dlong
parents:
diff
changeset
|
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
a6e09d6dd8e5
8003853: specify offset of IC load in java_to_interp stub
dlong
parents:
diff
changeset
|
18 * |
a6e09d6dd8e5
8003853: specify offset of IC load in java_to_interp stub
dlong
parents:
diff
changeset
|
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
a6e09d6dd8e5
8003853: specify offset of IC load in java_to_interp stub
dlong
parents:
diff
changeset
|
20 * or visit www.oracle.com if you need additional information or have any |
a6e09d6dd8e5
8003853: specify offset of IC load in java_to_interp stub
dlong
parents:
diff
changeset
|
21 * questions. |
a6e09d6dd8e5
8003853: specify offset of IC load in java_to_interp stub
dlong
parents:
diff
changeset
|
22 * |
a6e09d6dd8e5
8003853: specify offset of IC load in java_to_interp stub
dlong
parents:
diff
changeset
|
23 */ |
a6e09d6dd8e5
8003853: specify offset of IC load in java_to_interp stub
dlong
parents:
diff
changeset
|
24 |
a6e09d6dd8e5
8003853: specify offset of IC load in java_to_interp stub
dlong
parents:
diff
changeset
|
25 #include "precompiled.hpp" |
a6e09d6dd8e5
8003853: specify offset of IC load in java_to_interp stub
dlong
parents:
diff
changeset
|
26 #include "asm/macroAssembler.inline.hpp" |
a6e09d6dd8e5
8003853: specify offset of IC load in java_to_interp stub
dlong
parents:
diff
changeset
|
27 #include "code/compiledIC.hpp" |
a6e09d6dd8e5
8003853: specify offset of IC load in java_to_interp stub
dlong
parents:
diff
changeset
|
28 #include "code/icBuffer.hpp" |
a6e09d6dd8e5
8003853: specify offset of IC load in java_to_interp stub
dlong
parents:
diff
changeset
|
29 #include "code/nmethod.hpp" |
a6e09d6dd8e5
8003853: specify offset of IC load in java_to_interp stub
dlong
parents:
diff
changeset
|
30 #include "memory/resourceArea.hpp" |
a6e09d6dd8e5
8003853: specify offset of IC load in java_to_interp stub
dlong
parents:
diff
changeset
|
31 #include "runtime/mutexLocker.hpp" |
a6e09d6dd8e5
8003853: specify offset of IC load in java_to_interp stub
dlong
parents:
diff
changeset
|
32 #include "runtime/safepoint.hpp" |
a6e09d6dd8e5
8003853: specify offset of IC load in java_to_interp stub
dlong
parents:
diff
changeset
|
33 #ifdef COMPILER2 |
a6e09d6dd8e5
8003853: specify offset of IC load in java_to_interp stub
dlong
parents:
diff
changeset
|
34 #include "opto/matcher.hpp" |
a6e09d6dd8e5
8003853: specify offset of IC load in java_to_interp stub
dlong
parents:
diff
changeset
|
35 #endif |
a6e09d6dd8e5
8003853: specify offset of IC load in java_to_interp stub
dlong
parents:
diff
changeset
|
36 |
a6e09d6dd8e5
8003853: specify offset of IC load in java_to_interp stub
dlong
parents:
diff
changeset
|
37 // Release the CompiledICHolder* associated with this call site is there is one. |
a6e09d6dd8e5
8003853: specify offset of IC load in java_to_interp stub
dlong
parents:
diff
changeset
|
38 void CompiledIC::cleanup_call_site(virtual_call_Relocation* call_site) { |
a6e09d6dd8e5
8003853: specify offset of IC load in java_to_interp stub
dlong
parents:
diff
changeset
|
39 // This call site might have become stale so inspect it carefully. |
a6e09d6dd8e5
8003853: specify offset of IC load in java_to_interp stub
dlong
parents:
diff
changeset
|
40 NativeCall* call = nativeCall_at(call_site->addr()); |
a6e09d6dd8e5
8003853: specify offset of IC load in java_to_interp stub
dlong
parents:
diff
changeset
|
41 if (is_icholder_entry(call->destination())) { |
a6e09d6dd8e5
8003853: specify offset of IC load in java_to_interp stub
dlong
parents:
diff
changeset
|
42 NativeMovConstReg* value = nativeMovConstReg_at(call_site->cached_value()); |
a6e09d6dd8e5
8003853: specify offset of IC load in java_to_interp stub
dlong
parents:
diff
changeset
|
43 InlineCacheBuffer::queue_for_release((CompiledICHolder*)value->data()); |
a6e09d6dd8e5
8003853: specify offset of IC load in java_to_interp stub
dlong
parents:
diff
changeset
|
44 } |
a6e09d6dd8e5
8003853: specify offset of IC load in java_to_interp stub
dlong
parents:
diff
changeset
|
45 } |
a6e09d6dd8e5
8003853: specify offset of IC load in java_to_interp stub
dlong
parents:
diff
changeset
|
46 |
a6e09d6dd8e5
8003853: specify offset of IC load in java_to_interp stub
dlong
parents:
diff
changeset
|
47 bool CompiledIC::is_icholder_call_site(virtual_call_Relocation* call_site) { |
a6e09d6dd8e5
8003853: specify offset of IC load in java_to_interp stub
dlong
parents:
diff
changeset
|
48 // This call site might have become stale so inspect it carefully. |
a6e09d6dd8e5
8003853: specify offset of IC load in java_to_interp stub
dlong
parents:
diff
changeset
|
49 NativeCall* call = nativeCall_at(call_site->addr()); |
a6e09d6dd8e5
8003853: specify offset of IC load in java_to_interp stub
dlong
parents:
diff
changeset
|
50 return is_icholder_entry(call->destination()); |
a6e09d6dd8e5
8003853: specify offset of IC load in java_to_interp stub
dlong
parents:
diff
changeset
|
51 } |
a6e09d6dd8e5
8003853: specify offset of IC load in java_to_interp stub
dlong
parents:
diff
changeset
|
52 |
a6e09d6dd8e5
8003853: specify offset of IC load in java_to_interp stub
dlong
parents:
diff
changeset
|
53 //----------------------------------------------------------------------------- |
a6e09d6dd8e5
8003853: specify offset of IC load in java_to_interp stub
dlong
parents:
diff
changeset
|
54 // High-level access to an inline cache. Guaranteed to be MT-safe. |
a6e09d6dd8e5
8003853: specify offset of IC load in java_to_interp stub
dlong
parents:
diff
changeset
|
55 |
a6e09d6dd8e5
8003853: specify offset of IC load in java_to_interp stub
dlong
parents:
diff
changeset
|
56 CompiledIC::CompiledIC(nmethod* nm, NativeCall* call) |
a6e09d6dd8e5
8003853: specify offset of IC load in java_to_interp stub
dlong
parents:
diff
changeset
|
57 : _ic_call(call) |
a6e09d6dd8e5
8003853: specify offset of IC load in java_to_interp stub
dlong
parents:
diff
changeset
|
58 { |
a6e09d6dd8e5
8003853: specify offset of IC load in java_to_interp stub
dlong
parents:
diff
changeset
|
59 address ic_call = call->instruction_address(); |
a6e09d6dd8e5
8003853: specify offset of IC load in java_to_interp stub
dlong
parents:
diff
changeset
|
60 |
a6e09d6dd8e5
8003853: specify offset of IC load in java_to_interp stub
dlong
parents:
diff
changeset
|
61 assert(ic_call != NULL, "ic_call address must be set"); |
a6e09d6dd8e5
8003853: specify offset of IC load in java_to_interp stub
dlong
parents:
diff
changeset
|
62 assert(nm != NULL, "must pass nmethod"); |
a6e09d6dd8e5
8003853: specify offset of IC load in java_to_interp stub
dlong
parents:
diff
changeset
|
63 assert(nm->contains(ic_call), "must be in nmethod"); |
a6e09d6dd8e5
8003853: specify offset of IC load in java_to_interp stub
dlong
parents:
diff
changeset
|
64 |
a6e09d6dd8e5
8003853: specify offset of IC load in java_to_interp stub
dlong
parents:
diff
changeset
|
65 // Search for the ic_call at the given address. |
a6e09d6dd8e5
8003853: specify offset of IC load in java_to_interp stub
dlong
parents:
diff
changeset
|
66 RelocIterator iter(nm, ic_call, ic_call+1); |
a6e09d6dd8e5
8003853: specify offset of IC load in java_to_interp stub
dlong
parents:
diff
changeset
|
67 bool ret = iter.next(); |
a6e09d6dd8e5
8003853: specify offset of IC load in java_to_interp stub
dlong
parents:
diff
changeset
|
68 assert(ret == true, "relocInfo must exist at this address"); |
a6e09d6dd8e5
8003853: specify offset of IC load in java_to_interp stub
dlong
parents:
diff
changeset
|
69 assert(iter.addr() == ic_call, "must find ic_call"); |
a6e09d6dd8e5
8003853: specify offset of IC load in java_to_interp stub
dlong
parents:
diff
changeset
|
70 if (iter.type() == relocInfo::virtual_call_type) { |
a6e09d6dd8e5
8003853: specify offset of IC load in java_to_interp stub
dlong
parents:
diff
changeset
|
71 virtual_call_Relocation* r = iter.virtual_call_reloc(); |
a6e09d6dd8e5
8003853: specify offset of IC load in java_to_interp stub
dlong
parents:
diff
changeset
|
72 _is_optimized = false; |
a6e09d6dd8e5
8003853: specify offset of IC load in java_to_interp stub
dlong
parents:
diff
changeset
|
73 _value = nativeMovConstReg_at(r->cached_value()); |
a6e09d6dd8e5
8003853: specify offset of IC load in java_to_interp stub
dlong
parents:
diff
changeset
|
74 } else { |
a6e09d6dd8e5
8003853: specify offset of IC load in java_to_interp stub
dlong
parents:
diff
changeset
|
75 assert(iter.type() == relocInfo::opt_virtual_call_type, "must be a virtual call"); |
a6e09d6dd8e5
8003853: specify offset of IC load in java_to_interp stub
dlong
parents:
diff
changeset
|
76 _is_optimized = true; |
a6e09d6dd8e5
8003853: specify offset of IC load in java_to_interp stub
dlong
parents:
diff
changeset
|
77 _value = NULL; |
a6e09d6dd8e5
8003853: specify offset of IC load in java_to_interp stub
dlong
parents:
diff
changeset
|
78 } |
a6e09d6dd8e5
8003853: specify offset of IC load in java_to_interp stub
dlong
parents:
diff
changeset
|
79 } |
a6e09d6dd8e5
8003853: specify offset of IC load in java_to_interp stub
dlong
parents:
diff
changeset
|
80 |
a6e09d6dd8e5
8003853: specify offset of IC load in java_to_interp stub
dlong
parents:
diff
changeset
|
81 // ---------------------------------------------------------------------------- |
a6e09d6dd8e5
8003853: specify offset of IC load in java_to_interp stub
dlong
parents:
diff
changeset
|
82 |
a6e09d6dd8e5
8003853: specify offset of IC load in java_to_interp stub
dlong
parents:
diff
changeset
|
83 #define __ _masm. |
a6e09d6dd8e5
8003853: specify offset of IC load in java_to_interp stub
dlong
parents:
diff
changeset
|
84 void CompiledStaticCall::emit_to_interp_stub(CodeBuffer &cbuf) { |
a6e09d6dd8e5
8003853: specify offset of IC load in java_to_interp stub
dlong
parents:
diff
changeset
|
85 #ifdef COMPILER2 |
a6e09d6dd8e5
8003853: specify offset of IC load in java_to_interp stub
dlong
parents:
diff
changeset
|
86 // Stub is fixed up when the corresponding call is converted from calling |
a6e09d6dd8e5
8003853: specify offset of IC load in java_to_interp stub
dlong
parents:
diff
changeset
|
87 // compiled code to calling interpreted code. |
a6e09d6dd8e5
8003853: specify offset of IC load in java_to_interp stub
dlong
parents:
diff
changeset
|
88 // set (empty), G5 |
a6e09d6dd8e5
8003853: specify offset of IC load in java_to_interp stub
dlong
parents:
diff
changeset
|
89 // jmp -1 |
a6e09d6dd8e5
8003853: specify offset of IC load in java_to_interp stub
dlong
parents:
diff
changeset
|
90 |
a6e09d6dd8e5
8003853: specify offset of IC load in java_to_interp stub
dlong
parents:
diff
changeset
|
91 address mark = cbuf.insts_mark(); // Get mark within main instrs section. |
a6e09d6dd8e5
8003853: specify offset of IC load in java_to_interp stub
dlong
parents:
diff
changeset
|
92 |
a6e09d6dd8e5
8003853: specify offset of IC load in java_to_interp stub
dlong
parents:
diff
changeset
|
93 MacroAssembler _masm(&cbuf); |
a6e09d6dd8e5
8003853: specify offset of IC load in java_to_interp stub
dlong
parents:
diff
changeset
|
94 |
a6e09d6dd8e5
8003853: specify offset of IC load in java_to_interp stub
dlong
parents:
diff
changeset
|
95 address base = |
a6e09d6dd8e5
8003853: specify offset of IC load in java_to_interp stub
dlong
parents:
diff
changeset
|
96 __ start_a_stub(to_interp_stub_size()*2); |
a6e09d6dd8e5
8003853: specify offset of IC load in java_to_interp stub
dlong
parents:
diff
changeset
|
97 if (base == NULL) return; // CodeBuffer::expand failed. |
a6e09d6dd8e5
8003853: specify offset of IC load in java_to_interp stub
dlong
parents:
diff
changeset
|
98 |
a6e09d6dd8e5
8003853: specify offset of IC load in java_to_interp stub
dlong
parents:
diff
changeset
|
99 // Static stub relocation stores the instruction address of the call. |
a6e09d6dd8e5
8003853: specify offset of IC load in java_to_interp stub
dlong
parents:
diff
changeset
|
100 __ relocate(static_stub_Relocation::spec(mark)); |
a6e09d6dd8e5
8003853: specify offset of IC load in java_to_interp stub
dlong
parents:
diff
changeset
|
101 |
a6e09d6dd8e5
8003853: specify offset of IC load in java_to_interp stub
dlong
parents:
diff
changeset
|
102 __ set_metadata(NULL, as_Register(Matcher::inline_cache_reg_encode())); |
a6e09d6dd8e5
8003853: specify offset of IC load in java_to_interp stub
dlong
parents:
diff
changeset
|
103 |
a6e09d6dd8e5
8003853: specify offset of IC load in java_to_interp stub
dlong
parents:
diff
changeset
|
104 __ set_inst_mark(); |
a6e09d6dd8e5
8003853: specify offset of IC load in java_to_interp stub
dlong
parents:
diff
changeset
|
105 AddressLiteral addrlit(-1); |
a6e09d6dd8e5
8003853: specify offset of IC load in java_to_interp stub
dlong
parents:
diff
changeset
|
106 __ JUMP(addrlit, G3, 0); |
a6e09d6dd8e5
8003853: specify offset of IC load in java_to_interp stub
dlong
parents:
diff
changeset
|
107 |
a6e09d6dd8e5
8003853: specify offset of IC load in java_to_interp stub
dlong
parents:
diff
changeset
|
108 __ delayed()->nop(); |
a6e09d6dd8e5
8003853: specify offset of IC load in java_to_interp stub
dlong
parents:
diff
changeset
|
109 |
a6e09d6dd8e5
8003853: specify offset of IC load in java_to_interp stub
dlong
parents:
diff
changeset
|
110 // Update current stubs pointer and restore code_end. |
a6e09d6dd8e5
8003853: specify offset of IC load in java_to_interp stub
dlong
parents:
diff
changeset
|
111 __ end_a_stub(); |
a6e09d6dd8e5
8003853: specify offset of IC load in java_to_interp stub
dlong
parents:
diff
changeset
|
112 #else |
a6e09d6dd8e5
8003853: specify offset of IC load in java_to_interp stub
dlong
parents:
diff
changeset
|
113 ShouldNotReachHere(); |
a6e09d6dd8e5
8003853: specify offset of IC load in java_to_interp stub
dlong
parents:
diff
changeset
|
114 #endif |
a6e09d6dd8e5
8003853: specify offset of IC load in java_to_interp stub
dlong
parents:
diff
changeset
|
115 } |
a6e09d6dd8e5
8003853: specify offset of IC load in java_to_interp stub
dlong
parents:
diff
changeset
|
116 #undef __ |
a6e09d6dd8e5
8003853: specify offset of IC load in java_to_interp stub
dlong
parents:
diff
changeset
|
117 |
a6e09d6dd8e5
8003853: specify offset of IC load in java_to_interp stub
dlong
parents:
diff
changeset
|
118 int CompiledStaticCall::to_interp_stub_size() { |
a6e09d6dd8e5
8003853: specify offset of IC load in java_to_interp stub
dlong
parents:
diff
changeset
|
119 // This doesn't need to be accurate but it must be larger or equal to |
a6e09d6dd8e5
8003853: specify offset of IC load in java_to_interp stub
dlong
parents:
diff
changeset
|
120 // the real size of the stub. |
a6e09d6dd8e5
8003853: specify offset of IC load in java_to_interp stub
dlong
parents:
diff
changeset
|
121 return (NativeMovConstReg::instruction_size + // sethi/setlo; |
a6e09d6dd8e5
8003853: specify offset of IC load in java_to_interp stub
dlong
parents:
diff
changeset
|
122 NativeJump::instruction_size + // sethi; jmp; nop |
a6e09d6dd8e5
8003853: specify offset of IC load in java_to_interp stub
dlong
parents:
diff
changeset
|
123 (TraceJumps ? 20 * BytesPerInstWord : 0) ); |
a6e09d6dd8e5
8003853: specify offset of IC load in java_to_interp stub
dlong
parents:
diff
changeset
|
124 } |
a6e09d6dd8e5
8003853: specify offset of IC load in java_to_interp stub
dlong
parents:
diff
changeset
|
125 |
a6e09d6dd8e5
8003853: specify offset of IC load in java_to_interp stub
dlong
parents:
diff
changeset
|
126 // Relocation entries for call stub, compiled java to interpreter. |
a6e09d6dd8e5
8003853: specify offset of IC load in java_to_interp stub
dlong
parents:
diff
changeset
|
127 int CompiledStaticCall::reloc_to_interp_stub() { |
a6e09d6dd8e5
8003853: specify offset of IC load in java_to_interp stub
dlong
parents:
diff
changeset
|
128 return 10; // 4 in emit_java_to_interp + 1 in Java_Static_Call |
a6e09d6dd8e5
8003853: specify offset of IC load in java_to_interp stub
dlong
parents:
diff
changeset
|
129 } |
a6e09d6dd8e5
8003853: specify offset of IC load in java_to_interp stub
dlong
parents:
diff
changeset
|
130 |
a6e09d6dd8e5
8003853: specify offset of IC load in java_to_interp stub
dlong
parents:
diff
changeset
|
131 void CompiledStaticCall::set_to_interpreted(methodHandle callee, address entry) { |
a6e09d6dd8e5
8003853: specify offset of IC load in java_to_interp stub
dlong
parents:
diff
changeset
|
132 address stub = find_stub(); |
a6e09d6dd8e5
8003853: specify offset of IC load in java_to_interp stub
dlong
parents:
diff
changeset
|
133 guarantee(stub != NULL, "stub not found"); |
a6e09d6dd8e5
8003853: specify offset of IC load in java_to_interp stub
dlong
parents:
diff
changeset
|
134 |
a6e09d6dd8e5
8003853: specify offset of IC load in java_to_interp stub
dlong
parents:
diff
changeset
|
135 if (TraceICs) { |
a6e09d6dd8e5
8003853: specify offset of IC load in java_to_interp stub
dlong
parents:
diff
changeset
|
136 ResourceMark rm; |
a6e09d6dd8e5
8003853: specify offset of IC load in java_to_interp stub
dlong
parents:
diff
changeset
|
137 tty->print_cr("CompiledStaticCall@" INTPTR_FORMAT ": set_to_interpreted %s", |
a6e09d6dd8e5
8003853: specify offset of IC load in java_to_interp stub
dlong
parents:
diff
changeset
|
138 instruction_address(), |
a6e09d6dd8e5
8003853: specify offset of IC load in java_to_interp stub
dlong
parents:
diff
changeset
|
139 callee->name_and_sig_as_C_string()); |
a6e09d6dd8e5
8003853: specify offset of IC load in java_to_interp stub
dlong
parents:
diff
changeset
|
140 } |
a6e09d6dd8e5
8003853: specify offset of IC load in java_to_interp stub
dlong
parents:
diff
changeset
|
141 |
a6e09d6dd8e5
8003853: specify offset of IC load in java_to_interp stub
dlong
parents:
diff
changeset
|
142 // Creation also verifies the object. |
a6e09d6dd8e5
8003853: specify offset of IC load in java_to_interp stub
dlong
parents:
diff
changeset
|
143 NativeMovConstReg* method_holder = nativeMovConstReg_at(stub); |
a6e09d6dd8e5
8003853: specify offset of IC load in java_to_interp stub
dlong
parents:
diff
changeset
|
144 NativeJump* jump = nativeJump_at(method_holder->next_instruction_address()); |
a6e09d6dd8e5
8003853: specify offset of IC load in java_to_interp stub
dlong
parents:
diff
changeset
|
145 |
a6e09d6dd8e5
8003853: specify offset of IC load in java_to_interp stub
dlong
parents:
diff
changeset
|
146 assert(method_holder->data() == 0 || method_holder->data() == (intptr_t)callee(), |
a6e09d6dd8e5
8003853: specify offset of IC load in java_to_interp stub
dlong
parents:
diff
changeset
|
147 "a) MT-unsafe modification of inline cache"); |
a6e09d6dd8e5
8003853: specify offset of IC load in java_to_interp stub
dlong
parents:
diff
changeset
|
148 assert(jump->jump_destination() == (address)-1 || jump->jump_destination() == entry, |
a6e09d6dd8e5
8003853: specify offset of IC load in java_to_interp stub
dlong
parents:
diff
changeset
|
149 "b) MT-unsafe modification of inline cache"); |
a6e09d6dd8e5
8003853: specify offset of IC load in java_to_interp stub
dlong
parents:
diff
changeset
|
150 |
a6e09d6dd8e5
8003853: specify offset of IC load in java_to_interp stub
dlong
parents:
diff
changeset
|
151 // Update stub. |
a6e09d6dd8e5
8003853: specify offset of IC load in java_to_interp stub
dlong
parents:
diff
changeset
|
152 method_holder->set_data((intptr_t)callee()); |
a6e09d6dd8e5
8003853: specify offset of IC load in java_to_interp stub
dlong
parents:
diff
changeset
|
153 jump->set_jump_destination(entry); |
a6e09d6dd8e5
8003853: specify offset of IC load in java_to_interp stub
dlong
parents:
diff
changeset
|
154 |
a6e09d6dd8e5
8003853: specify offset of IC load in java_to_interp stub
dlong
parents:
diff
changeset
|
155 // Update jump to call. |
a6e09d6dd8e5
8003853: specify offset of IC load in java_to_interp stub
dlong
parents:
diff
changeset
|
156 set_destination_mt_safe(stub); |
a6e09d6dd8e5
8003853: specify offset of IC load in java_to_interp stub
dlong
parents:
diff
changeset
|
157 } |
a6e09d6dd8e5
8003853: specify offset of IC load in java_to_interp stub
dlong
parents:
diff
changeset
|
158 |
a6e09d6dd8e5
8003853: specify offset of IC load in java_to_interp stub
dlong
parents:
diff
changeset
|
159 void CompiledStaticCall::set_stub_to_clean(static_stub_Relocation* static_stub) { |
a6e09d6dd8e5
8003853: specify offset of IC load in java_to_interp stub
dlong
parents:
diff
changeset
|
160 assert (CompiledIC_lock->is_locked() || SafepointSynchronize::is_at_safepoint(), "mt unsafe call"); |
a6e09d6dd8e5
8003853: specify offset of IC load in java_to_interp stub
dlong
parents:
diff
changeset
|
161 // Reset stub. |
a6e09d6dd8e5
8003853: specify offset of IC load in java_to_interp stub
dlong
parents:
diff
changeset
|
162 address stub = static_stub->addr(); |
a6e09d6dd8e5
8003853: specify offset of IC load in java_to_interp stub
dlong
parents:
diff
changeset
|
163 assert(stub != NULL, "stub not found"); |
a6e09d6dd8e5
8003853: specify offset of IC load in java_to_interp stub
dlong
parents:
diff
changeset
|
164 // Creation also verifies the object. |
a6e09d6dd8e5
8003853: specify offset of IC load in java_to_interp stub
dlong
parents:
diff
changeset
|
165 NativeMovConstReg* method_holder = nativeMovConstReg_at(stub); |
a6e09d6dd8e5
8003853: specify offset of IC load in java_to_interp stub
dlong
parents:
diff
changeset
|
166 NativeJump* jump = nativeJump_at(method_holder->next_instruction_address()); |
a6e09d6dd8e5
8003853: specify offset of IC load in java_to_interp stub
dlong
parents:
diff
changeset
|
167 method_holder->set_data(0); |
a6e09d6dd8e5
8003853: specify offset of IC load in java_to_interp stub
dlong
parents:
diff
changeset
|
168 jump->set_jump_destination((address)-1); |
a6e09d6dd8e5
8003853: specify offset of IC load in java_to_interp stub
dlong
parents:
diff
changeset
|
169 } |
a6e09d6dd8e5
8003853: specify offset of IC load in java_to_interp stub
dlong
parents:
diff
changeset
|
170 |
a6e09d6dd8e5
8003853: specify offset of IC load in java_to_interp stub
dlong
parents:
diff
changeset
|
171 //----------------------------------------------------------------------------- |
a6e09d6dd8e5
8003853: specify offset of IC load in java_to_interp stub
dlong
parents:
diff
changeset
|
172 // Non-product mode code |
a6e09d6dd8e5
8003853: specify offset of IC load in java_to_interp stub
dlong
parents:
diff
changeset
|
173 #ifndef PRODUCT |
a6e09d6dd8e5
8003853: specify offset of IC load in java_to_interp stub
dlong
parents:
diff
changeset
|
174 |
a6e09d6dd8e5
8003853: specify offset of IC load in java_to_interp stub
dlong
parents:
diff
changeset
|
175 void CompiledStaticCall::verify() { |
a6e09d6dd8e5
8003853: specify offset of IC load in java_to_interp stub
dlong
parents:
diff
changeset
|
176 // Verify call. |
a6e09d6dd8e5
8003853: specify offset of IC load in java_to_interp stub
dlong
parents:
diff
changeset
|
177 NativeCall::verify(); |
a6e09d6dd8e5
8003853: specify offset of IC load in java_to_interp stub
dlong
parents:
diff
changeset
|
178 if (os::is_MP()) { |
a6e09d6dd8e5
8003853: specify offset of IC load in java_to_interp stub
dlong
parents:
diff
changeset
|
179 verify_alignment(); |
a6e09d6dd8e5
8003853: specify offset of IC load in java_to_interp stub
dlong
parents:
diff
changeset
|
180 } |
a6e09d6dd8e5
8003853: specify offset of IC load in java_to_interp stub
dlong
parents:
diff
changeset
|
181 |
a6e09d6dd8e5
8003853: specify offset of IC load in java_to_interp stub
dlong
parents:
diff
changeset
|
182 // Verify stub. |
a6e09d6dd8e5
8003853: specify offset of IC load in java_to_interp stub
dlong
parents:
diff
changeset
|
183 address stub = find_stub(); |
a6e09d6dd8e5
8003853: specify offset of IC load in java_to_interp stub
dlong
parents:
diff
changeset
|
184 assert(stub != NULL, "no stub found for static call"); |
a6e09d6dd8e5
8003853: specify offset of IC load in java_to_interp stub
dlong
parents:
diff
changeset
|
185 // Creation also verifies the object. |
a6e09d6dd8e5
8003853: specify offset of IC load in java_to_interp stub
dlong
parents:
diff
changeset
|
186 NativeMovConstReg* method_holder = nativeMovConstReg_at(stub); |
a6e09d6dd8e5
8003853: specify offset of IC load in java_to_interp stub
dlong
parents:
diff
changeset
|
187 NativeJump* jump = nativeJump_at(method_holder->next_instruction_address()); |
a6e09d6dd8e5
8003853: specify offset of IC load in java_to_interp stub
dlong
parents:
diff
changeset
|
188 |
a6e09d6dd8e5
8003853: specify offset of IC load in java_to_interp stub
dlong
parents:
diff
changeset
|
189 // Verify state. |
a6e09d6dd8e5
8003853: specify offset of IC load in java_to_interp stub
dlong
parents:
diff
changeset
|
190 assert(is_clean() || is_call_to_compiled() || is_call_to_interpreted(), "sanity check"); |
a6e09d6dd8e5
8003853: specify offset of IC load in java_to_interp stub
dlong
parents:
diff
changeset
|
191 } |
a6e09d6dd8e5
8003853: specify offset of IC load in java_to_interp stub
dlong
parents:
diff
changeset
|
192 |
a6e09d6dd8e5
8003853: specify offset of IC load in java_to_interp stub
dlong
parents:
diff
changeset
|
193 #endif // !PRODUCT |