1 /*
2 * Copyright (c) 2000, 2014, Oracle and/or its affiliates. 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 *
147 // FrameMap
148 //--------------------------------------------------------
149
150 bool FrameMap::_init_done = false;
151 Register FrameMap::_cpu_rnr2reg [FrameMap::nof_cpu_regs];
152 int FrameMap::_cpu_reg2rnr [FrameMap::nof_cpu_regs];
153
154
155 FrameMap::FrameMap(ciMethod* method, int monitors, int reserved_argument_area_size) {
156 assert(_init_done, "should already be completed");
157
158 _framesize = -1;
159 _num_spills = -1;
160
161 assert(monitors >= 0, "not set");
162 _num_monitors = monitors;
163 assert(reserved_argument_area_size >= 0, "not set");
164 _reserved_argument_area_size = MAX2(4, reserved_argument_area_size) * BytesPerWord;
165
166 _argcount = method->arg_size();
167 _argument_locations = new intArray(_argcount, -1);
168 _incoming_arguments = java_calling_convention(signature_type_array_for(method), false);
169 _oop_map_arg_count = _incoming_arguments->reserved_stack_slots();
170
171 int java_index = 0;
172 for (int i = 0; i < _incoming_arguments->length(); i++) {
173 LIR_Opr opr = _incoming_arguments->at(i);
174 if (opr->is_address()) {
175 LIR_Address* address = opr->as_address_ptr();
176 _argument_locations->at_put(java_index, address->disp() - STACK_BIAS);
177 _incoming_arguments->args()->at_put(i, LIR_OprFact::stack(java_index, as_BasicType(as_ValueType(address->type()))));
178 }
179 java_index += type2size[opr->type()];
180 }
181
182 }
183
184
185 bool FrameMap::finalize_frame(int nof_slots) {
186 assert(nof_slots >= 0, "must be positive");
187 assert(_num_spills == -1, "can only be set once");
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1 /*
2 * Copyright (c) 2000, 2016, Oracle and/or its affiliates. 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 *
147 // FrameMap
148 //--------------------------------------------------------
149
150 bool FrameMap::_init_done = false;
151 Register FrameMap::_cpu_rnr2reg [FrameMap::nof_cpu_regs];
152 int FrameMap::_cpu_reg2rnr [FrameMap::nof_cpu_regs];
153
154
155 FrameMap::FrameMap(ciMethod* method, int monitors, int reserved_argument_area_size) {
156 assert(_init_done, "should already be completed");
157
158 _framesize = -1;
159 _num_spills = -1;
160
161 assert(monitors >= 0, "not set");
162 _num_monitors = monitors;
163 assert(reserved_argument_area_size >= 0, "not set");
164 _reserved_argument_area_size = MAX2(4, reserved_argument_area_size) * BytesPerWord;
165
166 _argcount = method->arg_size();
167 _argument_locations = new intArray(_argcount, _argcount, -1);
168 _incoming_arguments = java_calling_convention(signature_type_array_for(method), false);
169 _oop_map_arg_count = _incoming_arguments->reserved_stack_slots();
170
171 int java_index = 0;
172 for (int i = 0; i < _incoming_arguments->length(); i++) {
173 LIR_Opr opr = _incoming_arguments->at(i);
174 if (opr->is_address()) {
175 LIR_Address* address = opr->as_address_ptr();
176 _argument_locations->at_put(java_index, address->disp() - STACK_BIAS);
177 _incoming_arguments->args()->at_put(i, LIR_OprFact::stack(java_index, as_BasicType(as_ValueType(address->type()))));
178 }
179 java_index += type2size[opr->type()];
180 }
181
182 }
183
184
185 bool FrameMap::finalize_frame(int nof_slots) {
186 assert(nof_slots >= 0, "must be positive");
187 assert(_num_spills == -1, "can only be set once");
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