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src/share/vm/code/pcDesc.cpp@427b2fb1944f (annotated)

src/share/vm/code/pcDesc.cpp

Wed, 31 Jan 2018 19:24:57 -0500

author

dbuck

date

Wed, 31 Jan 2018 19:24:57 -0500

changeset 9289

427b2fb1944f

parent 6680

78bbf4d43a14

child 6876

710a3c8b516e

permissions

-rw-r--r--

8189170: Add option to disable stack overflow checking in primordial thread for use with JNI_CreateJavaJVM
Reviewed-by: dcubed

duke@435	1	/*
drchase@6680	2	* Copyright (c) 1997, 2014, Oracle and/or its affiliates. All rights reserved.
duke@435	3	* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
duke@435	4	*
duke@435	5	* This code is free software; you can redistribute it and/or modify it
duke@435	6	* under the terms of the GNU General Public License version 2 only, as
duke@435	7	* published by the Free Software Foundation.
duke@435	8	*
duke@435	9	* This code is distributed in the hope that it will be useful, but WITHOUT
duke@435	10	* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
duke@435	11	* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
duke@435	12	* version 2 for more details (a copy is included in the LICENSE file that
duke@435	13	* accompanied this code).
duke@435	14	*
duke@435	15	* You should have received a copy of the GNU General Public License version
duke@435	16	* 2 along with this work; if not, write to the Free Software Foundation,
duke@435	17	* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
duke@435	18	*
trims@1907	19	* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
trims@1907	20	* or visit www.oracle.com if you need additional information or have any
trims@1907	21	* questions.
duke@435	22	*
duke@435	23	*/
duke@435	24
stefank@2314	25	#include "precompiled.hpp"
stefank@2314	26	#include "code/debugInfoRec.hpp"
stefank@2314	27	#include "code/nmethod.hpp"
stefank@2314	28	#include "code/pcDesc.hpp"
stefank@2314	29	#include "code/scopeDesc.hpp"
stefank@2314	30	#include "memory/resourceArea.hpp"
duke@435	31
drchase@6680	32	PRAGMA_FORMAT_MUTE_WARNINGS_FOR_GCC
drchase@6680	33
duke@435	34	PcDesc::PcDesc(int pc_offset, int scope_decode_offset, int obj_decode_offset) {
duke@435	35	_pc_offset = pc_offset;
duke@435	36	_scope_decode_offset = scope_decode_offset;
duke@435	37	_obj_decode_offset = obj_decode_offset;
never@3108	38	_flags = 0;
duke@435	39	}
duke@435	40
duke@435	41	address PcDesc::real_pc(const nmethod* code) const {
twisti@2103	42	return code->code_begin() + pc_offset();
duke@435	43	}
duke@435	44
duke@435	45	void PcDesc::print(nmethod* code) {
duke@435	46	#ifndef PRODUCT
duke@435	47	ResourceMark rm;
never@3108	48	tty->print_cr("PcDesc(pc=0x%lx offset=%x bits=%x):", real_pc(code), pc_offset(), _flags);
duke@435	49
duke@435	50	if (scope_decode_offset() == DebugInformationRecorder::serialized_null) {
duke@435	51	return;
duke@435	52	}
duke@435	53
duke@435	54	for (ScopeDesc* sd = code->scope_desc_at(real_pc(code));
duke@435	55	sd != NULL;
duke@435	56	sd = sd->sender()) {
duke@435	57	tty->print(" ");
duke@435	58	sd->method()->print_short_name(tty);
duke@435	59	tty->print(" @%d", sd->bci());
kvn@1687	60	if (sd->should_reexecute())
kvn@1687	61	tty->print(" reexecute=true");
duke@435	62	tty->cr();
duke@435	63	}
duke@435	64	#endif
duke@435	65	}
duke@435	66
duke@435	67	bool PcDesc::verify(nmethod* code) {
duke@435	68	//Unimplemented();
duke@435	69	return true;
duke@435	70	}