1 /*
2 * Copyright (c) 1997, 2013, Oracle and/or its affiliates. All rights reserved.
3 * Copyright 2012, 2013 SAP AG. All rights reserved.
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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
21 * or visit www.oracle.com if you need additional information or have any
22 * questions.
23 *
93 Register r = jni_arg.is_register() ? jni_arg.as_register() : R11_scratch1;
94
95 // The handle for a receiver will never be null.
96 bool do_NULL_check = offset() != 0 || is_static();
97
98 Label do_null;
99 if (do_NULL_check) {
100 __ ld(R0, locals_j_arg_at(offset()));
101 __ cmpdi(CCR0, R0, 0);
102 __ li(r, 0);
103 __ beq(CCR0, do_null);
104 }
105 __ addir(r, locals_j_arg_at(offset()));
106 __ bind(do_null);
107 if (DEBUG_ONLY(true ||) !jni_arg.is_register()) {
108 __ std(r, sp_c_arg_at(jni_arg.number()));
109 }
110 }
111
112 void InterpreterRuntime::SignatureHandlerGenerator::generate(uint64_t fingerprint) {
113 #if !defined(ABI_ELFv2)
114 // Emit fd for current codebuffer. Needs patching!
115 __ emit_fd();
116 #endif
117
118 // Generate code to handle arguments.
119 iterate(fingerprint);
120
121 // Return the result handler.
122 __ load_const(R3_RET, AbstractInterpreter::result_handler(method()->result_type()));
123 __ blr();
124
125 __ flush();
126 }
127
128 #undef __
129
130 // Implementation of SignatureHandlerLibrary
131
132 void SignatureHandlerLibrary::pd_set_handler(address handler) {
133 #if !defined(ABI_ELFv2)
134 // patch fd here.
135 FunctionDescriptor* fd = (FunctionDescriptor*) handler;
136
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1 /*
2 * Copyright (c) 1997, 2015, Oracle and/or its affiliates. All rights reserved.
3 * Copyright 2012, 2015 SAP AG. All rights reserved.
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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
21 * or visit www.oracle.com if you need additional information or have any
22 * questions.
23 *
93 Register r = jni_arg.is_register() ? jni_arg.as_register() : R11_scratch1;
94
95 // The handle for a receiver will never be null.
96 bool do_NULL_check = offset() != 0 || is_static();
97
98 Label do_null;
99 if (do_NULL_check) {
100 __ ld(R0, locals_j_arg_at(offset()));
101 __ cmpdi(CCR0, R0, 0);
102 __ li(r, 0);
103 __ beq(CCR0, do_null);
104 }
105 __ addir(r, locals_j_arg_at(offset()));
106 __ bind(do_null);
107 if (DEBUG_ONLY(true ||) !jni_arg.is_register()) {
108 __ std(r, sp_c_arg_at(jni_arg.number()));
109 }
110 }
111
112 void InterpreterRuntime::SignatureHandlerGenerator::generate(uint64_t fingerprint) {
113 // Emit fd for current codebuffer. Needs patching!
114 __ emit_fd();
115
116 // Generate code to handle arguments.
117 iterate(fingerprint);
118
119 // Return the result handler.
120 __ load_const(R3_RET, AbstractInterpreter::result_handler(method()->result_type()));
121 __ blr();
122
123 __ flush();
124 }
125
126 #undef __
127
128 // Implementation of SignatureHandlerLibrary
129
130 void SignatureHandlerLibrary::pd_set_handler(address handler) {
131 #if !defined(ABI_ELFv2)
132 // patch fd here.
133 FunctionDescriptor* fd = (FunctionDescriptor*) handler;
134
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