|
0
|
1 /*
|
|
|
2 * Copyright 1998-2006 Sun Microsystems, Inc. All Rights Reserved.
|
|
|
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
|
|
|
4 *
|
|
|
5 * This code is free software; you can redistribute it and/or modify it
|
|
|
6 * under the terms of the GNU General Public License version 2 only, as
|
|
|
7 * published by the Free Software Foundation.
|
|
|
8 *
|
|
|
9 * This code is distributed in the hope that it will be useful, but WITHOUT
|
|
|
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
|
|
|
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
|
|
|
12 * version 2 for more details (a copy is included in the LICENSE file that
|
|
|
13 * accompanied this code).
|
|
|
14 *
|
|
|
15 * You should have received a copy of the GNU General Public License version
|
|
|
16 * 2 along with this work; if not, write to the Free Software Foundation,
|
|
|
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
|
|
|
18 *
|
|
|
19 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
|
|
|
20 * CA 95054 USA or visit www.sun.com if you need additional information or
|
|
|
21 * have any questions.
|
|
|
22 *
|
|
|
23 */
|
|
|
24
|
|
|
25 #include "incls/_precompiled.incl"
|
|
|
26 #include "incls/_interpreterRT_sparc.cpp.incl"
|
|
|
27
|
|
|
28
|
|
|
29 #define __ _masm->
|
|
|
30
|
|
|
31
|
|
|
32 // Implementation of SignatureHandlerGenerator
|
|
|
33
|
|
|
34 void InterpreterRuntime::SignatureHandlerGenerator::pass_word(int size_of_arg, int offset_in_arg) {
|
|
|
35 Argument jni_arg(jni_offset() + offset_in_arg, false);
|
|
|
36 Register Rtmp = O0;
|
|
|
37 __ ld(Llocals, Interpreter::local_offset_in_bytes(offset()), Rtmp);
|
|
|
38
|
|
|
39 __ store_argument(Rtmp, jni_arg);
|
|
|
40 }
|
|
|
41
|
|
|
42 void InterpreterRuntime::SignatureHandlerGenerator::pass_long() {
|
|
|
43 Argument jni_arg(jni_offset(), false);
|
|
|
44 Register Rtmp = O0;
|
|
|
45
|
|
|
46 #ifdef ASSERT
|
|
|
47 if (TaggedStackInterpreter) {
|
|
|
48 // check at least one tag is okay
|
|
|
49 Label ok;
|
|
|
50 __ ld_ptr(Llocals, Interpreter::local_tag_offset_in_bytes(offset() + 1), Rtmp);
|
|
|
51 __ cmp(Rtmp, G0);
|
|
|
52 __ brx(Assembler::equal, false, Assembler::pt, ok);
|
|
|
53 __ delayed()->nop();
|
|
|
54 __ stop("Native object has bad tag value");
|
|
|
55 __ bind(ok);
|
|
|
56 }
|
|
|
57 #endif // ASSERT
|
|
|
58
|
|
|
59 #ifdef _LP64
|
|
|
60 __ ldx(Llocals, Interpreter::local_offset_in_bytes(offset() + 1), Rtmp);
|
|
|
61 __ store_long_argument(Rtmp, jni_arg);
|
|
|
62 #else
|
|
|
63 __ ld(Llocals, Interpreter::local_offset_in_bytes(offset() + 1), Rtmp);
|
|
|
64 __ store_argument(Rtmp, jni_arg);
|
|
|
65 __ ld(Llocals, Interpreter::local_offset_in_bytes(offset() + 0), Rtmp);
|
|
|
66 Argument successor(jni_arg.successor());
|
|
|
67 __ store_argument(Rtmp, successor);
|
|
|
68 #endif
|
|
|
69 }
|
|
|
70
|
|
|
71
|
|
|
72 #ifdef _LP64
|
|
|
73 void InterpreterRuntime::SignatureHandlerGenerator::pass_float() {
|
|
|
74 Argument jni_arg(jni_offset(), false);
|
|
|
75 FloatRegister Rtmp = F0;
|
|
|
76 __ ldf(FloatRegisterImpl::S, Llocals, Interpreter::local_offset_in_bytes(offset()), Rtmp);
|
|
|
77 __ store_float_argument(Rtmp, jni_arg);
|
|
|
78 }
|
|
|
79 #endif
|
|
|
80
|
|
|
81
|
|
|
82 void InterpreterRuntime::SignatureHandlerGenerator::pass_double() {
|
|
|
83 Argument jni_arg(jni_offset(), false);
|
|
|
84 #ifdef _LP64
|
|
|
85 FloatRegister Rtmp = F0;
|
|
|
86 __ ldf(FloatRegisterImpl::D, Llocals, Interpreter::local_offset_in_bytes(offset() + 1), Rtmp);
|
|
|
87 __ store_double_argument(Rtmp, jni_arg);
|
|
|
88 #else
|
|
|
89 Register Rtmp = O0;
|
|
|
90 __ ld(Llocals, Interpreter::local_offset_in_bytes(offset() + 1), Rtmp);
|
|
|
91 __ store_argument(Rtmp, jni_arg);
|
|
|
92 __ ld(Llocals, Interpreter::local_offset_in_bytes(offset()), Rtmp);
|
|
|
93 Argument successor(jni_arg.successor());
|
|
|
94 __ store_argument(Rtmp, successor);
|
|
|
95 #endif
|
|
|
96 }
|
|
|
97
|
|
|
98 void InterpreterRuntime::SignatureHandlerGenerator::pass_object() {
|
|
|
99 Argument jni_arg(jni_offset(), false);
|
|
|
100 Argument java_arg( offset(), true);
|
|
|
101 Register Rtmp1 = O0;
|
|
|
102 Register Rtmp2 = jni_arg.is_register() ? jni_arg.as_register() : O0;
|
|
|
103 Register Rtmp3 = G3_scratch;
|
|
|
104
|
|
|
105 // the handle for a receiver will never be null
|
|
|
106 bool do_NULL_check = offset() != 0 || is_static();
|
|
|
107
|
|
|
108 Address h_arg = Address(Llocals, 0, Interpreter::local_offset_in_bytes(offset()));
|
|
|
109 __ ld_ptr(h_arg, Rtmp1);
|
|
|
110 #ifdef ASSERT
|
|
|
111 if (TaggedStackInterpreter) {
|
|
|
112 // check we have the obj and not the tag
|
|
|
113 Label ok;
|
|
|
114 __ mov(frame::TagReference, Rtmp3);
|
|
|
115 __ cmp(Rtmp1, Rtmp3);
|
|
|
116 __ brx(Assembler::notEqual, true, Assembler::pt, ok);
|
|
|
117 __ delayed()->nop();
|
|
|
118 __ stop("Native object passed tag by mistake");
|
|
|
119 __ bind(ok);
|
|
|
120 }
|
|
|
121 #endif // ASSERT
|
|
|
122 if (!do_NULL_check) {
|
|
|
123 __ add(h_arg, Rtmp2);
|
|
|
124 } else {
|
|
|
125 if (Rtmp1 == Rtmp2)
|
|
|
126 __ tst(Rtmp1);
|
|
|
127 else __ addcc(G0, Rtmp1, Rtmp2); // optimize mov/test pair
|
|
|
128 Label L;
|
|
|
129 __ brx(Assembler::notZero, true, Assembler::pt, L);
|
|
|
130 __ delayed()->add(h_arg, Rtmp2);
|
|
|
131 __ bind(L);
|
|
|
132 }
|
|
|
133 __ store_ptr_argument(Rtmp2, jni_arg); // this is often a no-op
|
|
|
134 }
|
|
|
135
|
|
|
136
|
|
|
137 void InterpreterRuntime::SignatureHandlerGenerator::generate(uint64_t fingerprint) {
|
|
|
138
|
|
|
139 // generate code to handle arguments
|
|
|
140 iterate(fingerprint);
|
|
|
141
|
|
|
142 // return result handler
|
|
|
143 Address result_handler(Lscratch, Interpreter::result_handler(method()->result_type()));
|
|
|
144 __ sethi(result_handler);
|
|
|
145 __ retl();
|
|
|
146 __ delayed()->add(result_handler, result_handler.base());
|
|
|
147
|
|
|
148 __ flush();
|
|
|
149 }
|
|
|
150
|
|
|
151
|
|
|
152 // Implementation of SignatureHandlerLibrary
|
|
|
153
|
|
|
154 void SignatureHandlerLibrary::pd_set_handler(address handler) {}
|
|
|
155
|
|
|
156
|
|
|
157 class SlowSignatureHandler: public NativeSignatureIterator {
|
|
|
158 private:
|
|
|
159 address _from;
|
|
|
160 intptr_t* _to;
|
|
|
161 intptr_t* _RegArgSignature; // Signature of first Arguments to be passed in Registers
|
|
|
162 uint _argcount;
|
|
|
163
|
|
|
164 enum { // We need to differenciate float from non floats in reg args
|
|
|
165 non_float = 0,
|
|
|
166 float_sig = 1,
|
|
|
167 double_sig = 2,
|
|
|
168 long_sig = 3
|
|
|
169 };
|
|
|
170
|
|
|
171 #ifdef ASSERT
|
|
|
172 void verify_tag(frame::Tag t) {
|
|
|
173 assert(!TaggedStackInterpreter ||
|
|
|
174 *(intptr_t*)(_from+Interpreter::local_tag_offset_in_bytes(0)) == t, "wrong tag");
|
|
|
175 }
|
|
|
176 #endif // ASSERT
|
|
|
177
|
|
|
178 virtual void pass_int() {
|
|
|
179 *_to++ = *(jint *)(_from+Interpreter::local_offset_in_bytes(0));
|
|
|
180 debug_only(verify_tag(frame::TagValue));
|
|
|
181 _from -= Interpreter::stackElementSize();
|
|
|
182 add_signature( non_float );
|
|
|
183 }
|
|
|
184
|
|
|
185 virtual void pass_object() {
|
|
|
186 // pass address of from
|
|
|
187 intptr_t *from_addr = (intptr_t*)(_from + Interpreter::local_offset_in_bytes(0));
|
|
|
188 *_to++ = (*from_addr == 0) ? NULL : (intptr_t) from_addr;
|
|
|
189 debug_only(verify_tag(frame::TagReference));
|
|
|
190 _from -= Interpreter::stackElementSize();
|
|
|
191 add_signature( non_float );
|
|
|
192 }
|
|
|
193
|
|
|
194 #ifdef _LP64
|
|
|
195 virtual void pass_float() {
|
|
|
196 *_to++ = *(jint *)(_from+Interpreter::local_offset_in_bytes(0));
|
|
|
197 debug_only(verify_tag(frame::TagValue));
|
|
|
198 _from -= Interpreter::stackElementSize();
|
|
|
199 add_signature( float_sig );
|
|
|
200 }
|
|
|
201
|
|
|
202 virtual void pass_double() {
|
|
|
203 *_to++ = *(intptr_t*)(_from+Interpreter::local_offset_in_bytes(1));
|
|
|
204 debug_only(verify_tag(frame::TagValue));
|
|
|
205 _from -= 2*Interpreter::stackElementSize();
|
|
|
206 add_signature( double_sig );
|
|
|
207 }
|
|
|
208
|
|
|
209 virtual void pass_long() {
|
|
|
210 _to[0] = *(intptr_t*)(_from+Interpreter::local_offset_in_bytes(1));
|
|
|
211 debug_only(verify_tag(frame::TagValue));
|
|
|
212 _to += 1;
|
|
|
213 _from -= 2*Interpreter::stackElementSize();
|
|
|
214 add_signature( long_sig );
|
|
|
215 }
|
|
|
216 #else
|
|
|
217 // pass_double() is pass_long() and pass_float() only _LP64
|
|
|
218 virtual void pass_long() {
|
|
|
219 _to[0] = *(intptr_t*)(_from+Interpreter::local_offset_in_bytes(1));
|
|
|
220 _to[1] = *(intptr_t*)(_from+Interpreter::local_offset_in_bytes(0));
|
|
|
221 debug_only(verify_tag(frame::TagValue));
|
|
|
222 _to += 2;
|
|
|
223 _from -= 2*Interpreter::stackElementSize();
|
|
|
224 add_signature( non_float );
|
|
|
225 }
|
|
|
226 #endif // _LP64
|
|
|
227
|
|
|
228 virtual void add_signature( intptr_t sig_type ) {
|
|
|
229 if ( _argcount < (sizeof (intptr_t))*4 ) {
|
|
|
230 *_RegArgSignature |= (sig_type << (_argcount*2) );
|
|
|
231 _argcount++;
|
|
|
232 }
|
|
|
233 }
|
|
|
234
|
|
|
235
|
|
|
236 public:
|
|
|
237 SlowSignatureHandler(methodHandle method, address from, intptr_t* to, intptr_t *RegArgSig) : NativeSignatureIterator(method) {
|
|
|
238 _from = from;
|
|
|
239 _to = to;
|
|
|
240 _RegArgSignature = RegArgSig;
|
|
|
241 *_RegArgSignature = 0;
|
|
|
242 _argcount = method->is_static() ? 2 : 1;
|
|
|
243 }
|
|
|
244 };
|
|
|
245
|
|
|
246
|
|
|
247 IRT_ENTRY(address, InterpreterRuntime::slow_signature_handler(
|
|
|
248 JavaThread* thread,
|
|
|
249 methodOopDesc* method,
|
|
|
250 intptr_t* from,
|
|
|
251 intptr_t* to ))
|
|
|
252 methodHandle m(thread, method);
|
|
|
253 assert(m->is_native(), "sanity check");
|
|
|
254 // handle arguments
|
|
|
255 // Warning: We use reg arg slot 00 temporarily to return the RegArgSignature
|
|
|
256 // back to the code that pops the arguments into the CPU registers
|
|
|
257 SlowSignatureHandler(m, (address)from, m->is_static() ? to+2 : to+1, to).iterate(UCONST64(-1));
|
|
|
258 // return result handler
|
|
|
259 return Interpreter::result_handler(m->result_type());
|
|
|
260 IRT_END
|
