Mercurial > hg > truffle
comparison src/cpu/zero/vm/interpreterRT_zero.cpp @ 1010:354d3184f6b2
6890308: integrate zero assembler hotspot changes
Reviewed-by: never
Contributed-by: gbenson@redhat.com
author | never |
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date | Tue, 13 Oct 2009 12:04:21 -0700 |
parents | |
children | f9271ff9d324 |
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1009:03b336640699 | 1010:354d3184f6b2 |
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1 /* | |
2 * Copyright 2003-2005 Sun Microsystems, Inc. All Rights Reserved. | |
3 * Copyright 2007, 2008 Red Hat, Inc. | |
4 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. | |
5 * | |
6 * This code is free software; you can redistribute it and/or modify it | |
7 * under the terms of the GNU General Public License version 2 only, as | |
8 * published by the Free Software Foundation. | |
9 * | |
10 * This code is distributed in the hope that it will be useful, but WITHOUT | |
11 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
12 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
13 * version 2 for more details (a copy is included in the LICENSE file that | |
14 * accompanied this code). | |
15 * | |
16 * You should have received a copy of the GNU General Public License version | |
17 * 2 along with this work; if not, write to the Free Software Foundation, | |
18 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. | |
19 * | |
20 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, | |
21 * CA 95054 USA or visit www.sun.com if you need additional information or | |
22 * have any questions. | |
23 * | |
24 */ | |
25 | |
26 #include "incls/_precompiled.incl" | |
27 #include "incls/_interpreterRT_zero.cpp.incl" | |
28 | |
29 void InterpreterRuntime::SignatureHandlerGeneratorBase::pass_int() { | |
30 push(T_INT); | |
31 _cif->nargs++; | |
32 } | |
33 | |
34 void InterpreterRuntime::SignatureHandlerGeneratorBase::pass_long() { | |
35 push(T_LONG); | |
36 _cif->nargs++; | |
37 } | |
38 | |
39 void InterpreterRuntime::SignatureHandlerGeneratorBase::pass_float() { | |
40 push(T_FLOAT); | |
41 _cif->nargs++; | |
42 } | |
43 | |
44 void InterpreterRuntime::SignatureHandlerGeneratorBase::pass_double() { | |
45 push(T_DOUBLE); | |
46 _cif->nargs++; | |
47 } | |
48 | |
49 void InterpreterRuntime::SignatureHandlerGeneratorBase::pass_object() { | |
50 push(T_OBJECT); | |
51 _cif->nargs++; | |
52 } | |
53 | |
54 void InterpreterRuntime::SignatureHandlerGeneratorBase::push(BasicType type) { | |
55 ffi_type *ftype; | |
56 switch (type) { | |
57 case T_VOID: | |
58 ftype = &ffi_type_void; | |
59 break; | |
60 | |
61 case T_BOOLEAN: | |
62 ftype = &ffi_type_uint8; | |
63 break; | |
64 | |
65 case T_CHAR: | |
66 ftype = &ffi_type_uint16; | |
67 break; | |
68 | |
69 case T_BYTE: | |
70 ftype = &ffi_type_sint8; | |
71 break; | |
72 | |
73 case T_SHORT: | |
74 ftype = &ffi_type_sint16; | |
75 break; | |
76 | |
77 case T_INT: | |
78 ftype = &ffi_type_sint32; | |
79 break; | |
80 | |
81 case T_LONG: | |
82 ftype = &ffi_type_sint64; | |
83 break; | |
84 | |
85 case T_FLOAT: | |
86 ftype = &ffi_type_float; | |
87 break; | |
88 | |
89 case T_DOUBLE: | |
90 ftype = &ffi_type_double; | |
91 break; | |
92 | |
93 case T_OBJECT: | |
94 case T_ARRAY: | |
95 ftype = &ffi_type_pointer; | |
96 break; | |
97 | |
98 default: | |
99 ShouldNotReachHere(); | |
100 } | |
101 push((intptr_t) ftype); | |
102 } | |
103 | |
104 // For fast signature handlers the "signature handler" is generated | |
105 // into a temporary buffer. It is then copied to its final location, | |
106 // and pd_set_handler is called on it. We have this two stage thing | |
107 // to accomodate this. | |
108 | |
109 void InterpreterRuntime::SignatureHandlerGeneratorBase::generate( | |
110 uint64_t fingerprint) { | |
111 | |
112 // Build the argument types list | |
113 pass_object(); | |
114 if (method()->is_static()) | |
115 pass_object(); | |
116 iterate(fingerprint); | |
117 | |
118 // Tack on the result type | |
119 push(method()->result_type()); | |
120 } | |
121 | |
122 void InterpreterRuntime::SignatureHandler::finalize() { | |
123 ffi_status status = | |
124 ffi_prep_cif(cif(), | |
125 FFI_DEFAULT_ABI, | |
126 argument_count(), | |
127 result_type(), | |
128 argument_types()); | |
129 | |
130 assert(status == FFI_OK, "should be"); | |
131 } | |
132 | |
133 IRT_ENTRY(address, | |
134 InterpreterRuntime::slow_signature_handler(JavaThread* thread, | |
135 methodOop method, | |
136 intptr_t* unused1, | |
137 intptr_t* unused2)) | |
138 ZeroStack *stack = thread->zero_stack(); | |
139 | |
140 int required_words = | |
141 (align_size_up(sizeof(ffi_cif), wordSize) >> LogBytesPerWord) + | |
142 (method->is_static() ? 2 : 1) + method->size_of_parameters() + 1; | |
143 if (required_words > stack->available_words()) { | |
144 Unimplemented(); | |
145 } | |
146 | |
147 intptr_t *buf = (intptr_t *) stack->alloc(required_words * wordSize); | |
148 SlowSignatureHandlerGenerator sshg(methodHandle(thread, method), buf); | |
149 sshg.generate(UCONST64(-1)); | |
150 | |
151 SignatureHandler *handler = sshg.handler(); | |
152 handler->finalize(); | |
153 | |
154 return (address) handler; | |
155 IRT_END | |
156 | |
157 void SignatureHandlerLibrary::pd_set_handler(address handlerAddr) { | |
158 InterpreterRuntime::SignatureHandler *handler = | |
159 InterpreterRuntime::SignatureHandler::from_handlerAddr(handlerAddr); | |
160 | |
161 handler->finalize(); | |
162 } |