Mercurial > jdk8-mips64-public > hotspot / file comparison

comparison: src/cpu/sparc/vm/interpreterRT_sparc.cpp

src/cpu/sparc/vm/interpreterRT_sparc.cpp

changeset 1861
2338d41fbd81
parent 1162
6b2273dd6fa9
child 1907
c18cbe5936b8
equal deleted inserted replaced
1860:0c5b3cf3c1f5 1861:2338d41fbd81
1 /* 1 /*
2 * Copyright 1998-2009 Sun Microsystems, Inc. All Rights Reserved. 2 * Copyright 1998-2010 Sun Microsystems, Inc. All Rights Reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 * 4 *
5 * This code is free software; you can redistribute it and/or modify it 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 6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation. 7 * published by the Free Software Foundation.
40 } 40 }
41 41
42 void InterpreterRuntime::SignatureHandlerGenerator::pass_long() { 42 void InterpreterRuntime::SignatureHandlerGenerator::pass_long() {
43 Argument jni_arg(jni_offset(), false); 43 Argument jni_arg(jni_offset(), false);
44 Register Rtmp = O0; 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 45
59 #ifdef _LP64 46 #ifdef _LP64
60 __ ldx(Llocals, Interpreter::local_offset_in_bytes(offset() + 1), Rtmp); 47 __ ldx(Llocals, Interpreter::local_offset_in_bytes(offset() + 1), Rtmp);
61 __ store_long_argument(Rtmp, jni_arg); 48 __ store_long_argument(Rtmp, jni_arg);
62 #else 49 #else
105 // the handle for a receiver will never be null 92 // the handle for a receiver will never be null
106 bool do_NULL_check = offset() != 0 || is_static(); 93 bool do_NULL_check = offset() != 0 || is_static();
107 94
108 Address h_arg = Address(Llocals, Interpreter::local_offset_in_bytes(offset())); 95 Address h_arg = Address(Llocals, Interpreter::local_offset_in_bytes(offset()));
109 __ ld_ptr(h_arg, Rtmp1); 96 __ 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) { 97 if (!do_NULL_check) {
123 __ add(h_arg.base(), h_arg.disp(), Rtmp2); 98 __ add(h_arg.base(), h_arg.disp(), Rtmp2);
124 } else { 99 } else {
125 if (Rtmp1 == Rtmp2) 100 if (Rtmp1 == Rtmp2)
126 __ tst(Rtmp1); 101 __ tst(Rtmp1);
166 float_sig = 1, 141 float_sig = 1,
167 double_sig = 2, 142 double_sig = 2,
168 long_sig = 3 143 long_sig = 3
169 }; 144 };
170 145
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() { 146 virtual void pass_int() {
179 *_to++ = *(jint *)(_from+Interpreter::local_offset_in_bytes(0)); 147 *_to++ = *(jint *)(_from+Interpreter::local_offset_in_bytes(0));
180 debug_only(verify_tag(frame::TagValue)); 148 _from -= Interpreter::stackElementSize;
181 _from -= Interpreter::stackElementSize();
182 add_signature( non_float ); 149 add_signature( non_float );
183 } 150 }
184 151
185 virtual void pass_object() { 152 virtual void pass_object() {
186 // pass address of from 153 // pass address of from
187 intptr_t *from_addr = (intptr_t*)(_from + Interpreter::local_offset_in_bytes(0)); 154 intptr_t *from_addr = (intptr_t*)(_from + Interpreter::local_offset_in_bytes(0));
188 *_to++ = (*from_addr == 0) ? NULL : (intptr_t) from_addr; 155 *_to++ = (*from_addr == 0) ? NULL : (intptr_t) from_addr;
189 debug_only(verify_tag(frame::TagReference)); 156 _from -= Interpreter::stackElementSize;
190 _from -= Interpreter::stackElementSize();
191 add_signature( non_float ); 157 add_signature( non_float );
192 } 158 }
193 159
194 #ifdef _LP64 160 #ifdef _LP64
195 virtual void pass_float() { 161 virtual void pass_float() {
196 *_to++ = *(jint *)(_from+Interpreter::local_offset_in_bytes(0)); 162 *_to++ = *(jint *)(_from+Interpreter::local_offset_in_bytes(0));
197 debug_only(verify_tag(frame::TagValue)); 163 _from -= Interpreter::stackElementSize;
198 _from -= Interpreter::stackElementSize();
199 add_signature( float_sig ); 164 add_signature( float_sig );
200 } 165 }
201 166
202 virtual void pass_double() { 167 virtual void pass_double() {
203 *_to++ = *(intptr_t*)(_from+Interpreter::local_offset_in_bytes(1)); 168 *_to++ = *(intptr_t*)(_from+Interpreter::local_offset_in_bytes(1));
204 debug_only(verify_tag(frame::TagValue)); 169 _from -= 2*Interpreter::stackElementSize;
205 _from -= 2*Interpreter::stackElementSize();
206 add_signature( double_sig ); 170 add_signature( double_sig );
207 } 171 }
208 172
209 virtual void pass_long() { 173 virtual void pass_long() {
210 _to[0] = *(intptr_t*)(_from+Interpreter::local_offset_in_bytes(1)); 174 _to[0] = *(intptr_t*)(_from+Interpreter::local_offset_in_bytes(1));
211 debug_only(verify_tag(frame::TagValue));
212 _to += 1; 175 _to += 1;
213 _from -= 2*Interpreter::stackElementSize(); 176 _from -= 2*Interpreter::stackElementSize;
214 add_signature( long_sig ); 177 add_signature( long_sig );
215 } 178 }
216 #else 179 #else
217 // pass_double() is pass_long() and pass_float() only _LP64 180 // pass_double() is pass_long() and pass_float() only _LP64
218 virtual void pass_long() { 181 virtual void pass_long() {
219 _to[0] = *(intptr_t*)(_from+Interpreter::local_offset_in_bytes(1)); 182 _to[0] = *(intptr_t*)(_from+Interpreter::local_offset_in_bytes(1));
220 _to[1] = *(intptr_t*)(_from+Interpreter::local_offset_in_bytes(0)); 183 _to[1] = *(intptr_t*)(_from+Interpreter::local_offset_in_bytes(0));
221 debug_only(verify_tag(frame::TagValue));
222 _to += 2; 184 _to += 2;
223 _from -= 2*Interpreter::stackElementSize(); 185 _from -= 2*Interpreter::stackElementSize;
224 add_signature( non_float ); 186 add_signature( non_float );
225 } 187 }
226 #endif // _LP64 188 #endif // _LP64
227 189
228 virtual void add_signature( intptr_t sig_type ) { 190 virtual void add_signature( intptr_t sig_type ) {

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