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FEAT(loongarch): Support loongarch with 11.0.22
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132
src/hotspot/cpu/loongarch/abstractInterpreter_loongarch.cpp
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| /* | ||
| * Copyright (c) 2003, 2013, Oracle and/or its affiliates. All rights reserved. | ||
| * Copyright (c) 2015, 2021, Loongson Technology. All rights reserved. | ||
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. | ||
| * | ||
| * This code is free software; you can redistribute it and/or modify it | ||
| * under the terms of the GNU General Public License version 2 only, as | ||
| * published by the Free Software Foundation. | ||
| * | ||
| * This code is distributed in the hope that it will be useful, but WITHOUT | ||
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | ||
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | ||
| * version 2 for more details (a copy is included in the LICENSE file that | ||
| * accompanied this code). | ||
| * | ||
| * You should have received a copy of the GNU General Public License version | ||
| * 2 along with this work; if not, write to the Free Software Foundation, | ||
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. | ||
| * | ||
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA | ||
| * or visit www.oracle.com if you need additional information or have any | ||
| * questions. | ||
| * | ||
| */ | ||
|
|
||
| #include "precompiled.hpp" | ||
| #include "ci/ciMethod.hpp" | ||
| #include "interpreter/interpreter.hpp" | ||
| #include "runtime/frame.inline.hpp" | ||
|
|
||
| // asm based interpreter deoptimization helpers | ||
| int AbstractInterpreter::size_activation(int max_stack, | ||
| int temps, | ||
| int extra_args, | ||
| int monitors, | ||
| int callee_params, | ||
| int callee_locals, | ||
| bool is_top_frame) { | ||
| // Note: This calculation must exactly parallel the frame setup | ||
| // in AbstractInterpreterGenerator::generate_method_entry. | ||
|
|
||
| // fixed size of an interpreter frame: | ||
| int overhead = frame::java_frame_sender_sp_offset - | ||
| frame::interpreter_frame_initial_sp_offset; | ||
| // Our locals were accounted for by the caller (or last_frame_adjust | ||
| // on the transistion) Since the callee parameters already account | ||
| // for the callee's params we only need to account for the extra | ||
| // locals. | ||
| int size = overhead + | ||
| (callee_locals - callee_params)*Interpreter::stackElementWords + | ||
| monitors * frame::interpreter_frame_monitor_size() + | ||
| temps* Interpreter::stackElementWords + extra_args; | ||
|
|
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| return size; | ||
| } | ||
|
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||
| // How much stack a method activation needs in words. | ||
| int AbstractInterpreter::size_top_interpreter_activation(Method* method) { | ||
|
|
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| const int entry_size = frame::interpreter_frame_monitor_size(); | ||
|
|
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| // total overhead size: entry_size + (saved ebp thru expr stack bottom). | ||
| // be sure to change this if you add/subtract anything to/from the overhead area | ||
| const int overhead_size = -(frame::interpreter_frame_initial_sp_offset) + entry_size; | ||
|
|
||
| const int stub_code = 6; // see generate_call_stub | ||
| // return overhead_size + method->max_locals() + method->max_stack() + stub_code; | ||
| const int method_stack = (method->max_locals() + method->max_stack()) * | ||
| Interpreter::stackElementWords; | ||
| return overhead_size + method_stack + stub_code; | ||
| } | ||
|
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| void AbstractInterpreter::layout_activation(Method* method, | ||
| int tempcount, | ||
| int popframe_extra_args, | ||
| int moncount, | ||
| int caller_actual_parameters, | ||
| int callee_param_count, | ||
| int callee_locals, | ||
| frame* caller, | ||
| frame* interpreter_frame, | ||
| bool is_top_frame, | ||
| bool is_bottom_frame) { | ||
| // Note: This calculation must exactly parallel the frame setup | ||
| // in AbstractInterpreterGenerator::generate_method_entry. | ||
| // If interpreter_frame!=NULL, set up the method, locals, and monitors. | ||
| // The frame interpreter_frame, if not NULL, is guaranteed to be the | ||
| // right size, as determined by a previous call to this method. | ||
| // It is also guaranteed to be walkable even though it is in a skeletal state | ||
|
|
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| // fixed size of an interpreter frame: | ||
|
|
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| int max_locals = method->max_locals() * Interpreter::stackElementWords; | ||
| int extra_locals = (method->max_locals() - method->size_of_parameters()) * Interpreter::stackElementWords; | ||
|
|
||
| #ifdef ASSERT | ||
| assert(caller->sp() == interpreter_frame->sender_sp(), "Frame not properly walkable(2)"); | ||
| #endif | ||
|
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| interpreter_frame->interpreter_frame_set_method(method); | ||
| // NOTE the difference in using sender_sp and interpreter_frame_sender_sp | ||
| // interpreter_frame_sender_sp is the original sp of the caller (the unextended_sp) | ||
| // and sender_sp is fp+8 | ||
| intptr_t* locals = interpreter_frame->sender_sp() + max_locals - 1; | ||
|
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| #ifdef ASSERT | ||
| if (caller->is_interpreted_frame()) { | ||
| assert(locals < caller->fp() + frame::interpreter_frame_initial_sp_offset, "bad placement"); | ||
| } | ||
| #endif | ||
|
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| interpreter_frame->interpreter_frame_set_locals(locals); | ||
| BasicObjectLock* montop = interpreter_frame->interpreter_frame_monitor_begin(); | ||
| BasicObjectLock* monbot = montop - moncount; | ||
| interpreter_frame->interpreter_frame_set_monitor_end(montop - moncount); | ||
|
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| //set last sp; | ||
| intptr_t* esp = (intptr_t*) monbot - tempcount*Interpreter::stackElementWords - | ||
| popframe_extra_args; | ||
| interpreter_frame->interpreter_frame_set_last_sp(esp); | ||
| // All frames but the initial interpreter frame we fill in have a | ||
| // value for sender_sp that allows walking the stack but isn't | ||
| // truly correct. Correct the value here. | ||
| // | ||
| if (extra_locals != 0 && | ||
| interpreter_frame->sender_sp() == interpreter_frame->interpreter_frame_sender_sp() ) { | ||
| interpreter_frame->set_interpreter_frame_sender_sp(caller->sp() + extra_locals); | ||
| } | ||
| *interpreter_frame->interpreter_frame_cache_addr() = method->constants()->cache(); | ||
| *interpreter_frame->interpreter_frame_mirror_addr() = method->method_holder()->java_mirror(); | ||
| } | ||
|
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