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src/share/vm/runtime/frame.inline.hpp@fd44df5e3bc3 (annotated)

src/share/vm/runtime/frame.inline.hpp

Wed, 14 Oct 2020 17:44:48 +0800

author

aoqi

date

Wed, 14 Oct 2020 17:44:48 +0800

changeset 9931

fd44df5e3bc3

parent 9203

53eec13fbaa5

permissions

-rw-r--r--

Merge

aoqi@0	1	/*
stuefe@9191	2	* Copyright (c) 1997, 2018, Oracle and/or its affiliates. All rights reserved.
aoqi@0	3	* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
aoqi@0	4	*
aoqi@0	5	* This code is free software; you can redistribute it and/or modify it
aoqi@0	6	* under the terms of the GNU General Public License version 2 only, as
aoqi@0	7	* published by the Free Software Foundation.
aoqi@0	8	*
aoqi@0	9	* This code is distributed in the hope that it will be useful, but WITHOUT
aoqi@0	10	* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
aoqi@0	11	* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
aoqi@0	12	* version 2 for more details (a copy is included in the LICENSE file that
aoqi@0	13	* accompanied this code).
aoqi@0	14	*
aoqi@0	15	* You should have received a copy of the GNU General Public License version
aoqi@0	16	* 2 along with this work; if not, write to the Free Software Foundation,
aoqi@0	17	* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
aoqi@0	18	*
aoqi@0	19	* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
aoqi@0	20	* or visit www.oracle.com if you need additional information or have any
aoqi@0	21	* questions.
aoqi@0	22	*
aoqi@0	23	*/
aoqi@0	24
aoqi@1	25	/*
aoqi@1	26	* This file has been modified by Loongson Technology in 2015. These
aoqi@1	27	* modifications are Copyright (c) 2015 Loongson Technology, and are made
aoqi@1	28	* available on the same license terms set forth above.
aoqi@1	29	*/
aoqi@1	30
aoqi@0	31	#ifndef SHARE_VM_RUNTIME_FRAME_INLINE_HPP
aoqi@0	32	#define SHARE_VM_RUNTIME_FRAME_INLINE_HPP
aoqi@0	33
aoqi@0	34	#include "interpreter/bytecodeInterpreter.hpp"
aoqi@0	35	#include "interpreter/bytecodeInterpreter.inline.hpp"
aoqi@0	36	#include "interpreter/interpreter.hpp"
aoqi@0	37	#include "oops/method.hpp"
aoqi@0	38	#include "runtime/frame.hpp"
aoqi@0	39	#include "runtime/signature.hpp"
aoqi@0	40	#ifdef TARGET_ARCH_x86
aoqi@0	41	# include "jniTypes_x86.hpp"
aoqi@0	42	#endif
aoqi@0	43	#ifdef TARGET_ARCH_sparc
aoqi@0	44	# include "jniTypes_sparc.hpp"
aoqi@0	45	#endif
aoqi@0	46	#ifdef TARGET_ARCH_zero
aoqi@0	47	# include "jniTypes_zero.hpp"
aoqi@0	48	#endif
aoqi@0	49	#ifdef TARGET_ARCH_arm
aoqi@0	50	# include "jniTypes_arm.hpp"
aoqi@0	51	#endif
aoqi@0	52	#ifdef TARGET_ARCH_ppc
aoqi@0	53	# include "jniTypes_ppc.hpp"
aoqi@0	54	#endif
aoqi@1	55	#ifdef TARGET_ARCH_mips
aoqi@1	56	# include "jniTypes_mips.hpp"
aoqi@1	57	#endif
aoqi@0	58	#ifdef TARGET_ARCH_zero
aoqi@0	59	# include "entryFrame_zero.hpp"
aoqi@0	60	# include "fakeStubFrame_zero.hpp"
aoqi@0	61	# include "interpreterFrame_zero.hpp"
aoqi@0	62	# include "sharkFrame_zero.hpp"
aoqi@0	63	#endif
aoqi@0	64
aoqi@0	65	// This file holds platform-independent bodies of inline functions for frames.
aoqi@0	66
aoqi@0	67	// Note: The bcx usually contains the bcp; however during GC it contains the bci
aoqi@0	68	// (changed by gc_prologue() and gc_epilogue()) to be Method* position
aoqi@0	69	// independent. These accessors make sure the correct value is returned
aoqi@0	70	// by testing the range of the bcx value. bcp's are guaranteed to be above
aoqi@0	71	// max_method_code_size, since methods are always allocated in OldSpace and
aoqi@0	72	// Eden is allocated before OldSpace.
aoqi@0	73	//
aoqi@0	74	// The bcp is accessed sometimes during GC for ArgumentDescriptors; than
aoqi@0	75	// the correct translation has to be performed (was bug).
aoqi@0	76
aoqi@0	77	inline bool frame::is_bci(intptr_t bcx) {
aoqi@0	78	#ifdef _LP64
aoqi@0	79	return ((uintptr_t) bcx) <= ((uintptr_t) max_method_code_size) ;
aoqi@0	80	#else
aoqi@0	81	return 0 <= bcx && bcx <= max_method_code_size;
aoqi@0	82	#endif
aoqi@0	83	}
aoqi@0	84
aoqi@0	85	inline bool frame::is_entry_frame() const {
aoqi@0	86	return StubRoutines::returns_to_call_stub(pc());
aoqi@0	87	}
aoqi@0	88
aoqi@0	89	inline bool frame::is_stub_frame() const {
aoqi@0	90	return StubRoutines::is_stub_code(pc()) || (_cb != NULL && _cb->is_adapter_blob());
aoqi@0	91	}
aoqi@0	92
aoqi@0	93	inline bool frame::is_first_frame() const {
aoqi@0	94	return is_entry_frame() && entry_frame_is_first();
aoqi@0	95	}
aoqi@0	96
aoqi@0	97	#ifdef CC_INTERP
aoqi@0	98	inline oop* frame::interpreter_frame_temp_oop_addr() const {
aoqi@0	99	interpreterState istate = get_interpreterState();
aoqi@0	100	return (oop *)&istate->_oop_temp;
aoqi@0	101	}
aoqi@0	102	#endif // CC_INTERP
aoqi@0	103
aoqi@0	104	// here are the platform-dependent bodies:
aoqi@0	105
aoqi@0	106	#ifdef TARGET_ARCH_x86
aoqi@0	107	# include "frame_x86.inline.hpp"
aoqi@0	108	#endif
aoqi@0	109	#ifdef TARGET_ARCH_sparc
aoqi@0	110	# include "frame_sparc.inline.hpp"
aoqi@0	111	#endif
aoqi@0	112	#ifdef TARGET_ARCH_zero
aoqi@0	113	# include "frame_zero.inline.hpp"
aoqi@0	114	#endif
aoqi@0	115	#ifdef TARGET_ARCH_arm
aoqi@0	116	# include "frame_arm.inline.hpp"
aoqi@0	117	#endif
aoqi@0	118	#ifdef TARGET_ARCH_ppc
aoqi@0	119	# include "frame_ppc.inline.hpp"
aoqi@0	120	#endif
aoqi@1	121	#ifdef TARGET_ARCH_mips
aoqi@1	122	# include "frame_mips.inline.hpp"
aoqi@1	123	#endif
aoqi@0	124
aoqi@0	125
aoqi@0	126	#endif // SHARE_VM_RUNTIME_FRAME_INLINE_HPP