--- a/hotspot/src/cpu/aarch64/vm/templateInterpreter_aarch64.cpp Tue Jan 12 16:01:54 2016 +0100
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,186 +0,0 @@
-/*
- * Copyright (c) 2003, 2015, Oracle and/or its affiliates. All rights reserved.
- * Copyright (c) 2014, Red Hat Inc. 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 "interpreter/interpreter.hpp"
-#include "oops/constMethod.hpp"
-#include "oops/method.hpp"
-#include "runtime/frame.inline.hpp"
-#include "utilities/debug.hpp"
-#include "utilities/macros.hpp"
-
-// Size of interpreter code. Increase if too small. Interpreter will
-// fail with a guarantee ("not enough space for interpreter generation");
-// if too small.
-// Run with +PrintInterpreter to get the VM to print out the size.
-// Max size with JVMTI
-int TemplateInterpreter::InterpreterCodeSize = 200 * 1024;
-
-int AbstractInterpreter::BasicType_as_index(BasicType type) {
- int i = 0;
- switch (type) {
- case T_BOOLEAN: i = 0; break;
- case T_CHAR : i = 1; break;
- case T_BYTE : i = 2; break;
- case T_SHORT : i = 3; break;
- case T_INT : i = 4; break;
- case T_LONG : i = 5; break;
- case T_VOID : i = 6; break;
- case T_FLOAT : i = 7; break;
- case T_DOUBLE : i = 8; break;
- case T_OBJECT : i = 9; break;
- case T_ARRAY : i = 9; break;
- default : ShouldNotReachHere();
- }
- assert(0 <= i && i < AbstractInterpreter::number_of_result_handlers,
- "index out of bounds");
- return i;
-}
-
-// These should never be compiled since the interpreter will prefer
-// the compiled version to the intrinsic version.
-bool AbstractInterpreter::can_be_compiled(methodHandle m) {
- switch (method_kind(m)) {
- case Interpreter::java_lang_math_sin : // fall thru
- case Interpreter::java_lang_math_cos : // fall thru
- case Interpreter::java_lang_math_tan : // fall thru
- case Interpreter::java_lang_math_abs : // fall thru
- case Interpreter::java_lang_math_log : // fall thru
- case Interpreter::java_lang_math_log10 : // fall thru
- case Interpreter::java_lang_math_sqrt : // fall thru
- case Interpreter::java_lang_math_pow : // fall thru
- case Interpreter::java_lang_math_exp :
- return false;
- default:
- return true;
- }
-}
-
-// How much stack a method activation needs in words.
-int AbstractInterpreter::size_top_interpreter_activation(Method* method) {
- const int entry_size = frame::interpreter_frame_monitor_size();
-
- // total overhead size: entry_size + (saved rfp 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 = frame::entry_frame_after_call_words;
- const int method_stack = (method->max_locals() + method->max_stack()) *
- Interpreter::stackElementWords;
- return (overhead_size + method_stack + stub_code);
-}
-
-// 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 TemplateInterpreterGenerator::generate_method_entry.
-
- // fixed size of an interpreter frame:
- int overhead = 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;
-
- // On AArch64 we always keep the stack pointer 16-aligned, so we
- // must round up here.
- size = round_to(size, 2);
-
- return size;
-}
-
-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) {
- // The frame interpreter_frame is guaranteed to be the right size,
- // as determined by a previous call to the size_activation() method.
- // It is also guaranteed to be walkable even though it is in a
- // skeletal state
-
- 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");
-#endif
-
- 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+8/16 (32bit/64bit) XXX
- intptr_t* locals = interpreter_frame->sender_sp() + max_locals - 1;
-
-#ifdef ASSERT
- if (caller->is_interpreted_frame()) {
- assert(locals < caller->fp() + frame::interpreter_frame_initial_sp_offset, "bad placement");
- }
-#endif
-
- 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(monbot);
-
- // 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 (oldest) 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();
-}