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src/share/vm/code/pcDesc.cpp@f95d63e2154a (annotated)

src/share/vm/code/pcDesc.cpp

Tue, 23 Nov 2010 13:22:55 -0800

author

stefank

date

Tue, 23 Nov 2010 13:22:55 -0800

changeset 2314

f95d63e2154a

parent 2103

3e8fbc61cee8

child 2952

5cf771a79037

permissions

-rw-r--r--

6989984: Use standard include model for Hospot
Summary: Replaced MakeDeps and the includeDB files with more standardized solutions.
Reviewed-by: coleenp, kvn, kamg

duke@435	1	/*
trims@1907	2	* Copyright (c) 1997, 2010, 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
duke@435	32	PcDesc::PcDesc(int pc_offset, int scope_decode_offset, int obj_decode_offset) {
cfang@1366	33	assert(sizeof(PcDescFlags) <= 4, "occupies more than a word");
duke@435	34	_pc_offset = pc_offset;
duke@435	35	_scope_decode_offset = scope_decode_offset;
duke@435	36	_obj_decode_offset = obj_decode_offset;
cfang@1366	37	_flags.word = 0;
duke@435	38	}
duke@435	39
duke@435	40	address PcDesc::real_pc(const nmethod* code) const {
twisti@2103	41	return code->code_begin() + pc_offset();
duke@435	42	}
duke@435	43
duke@435	44	void PcDesc::print(nmethod* code) {
duke@435	45	#ifndef PRODUCT
duke@435	46	ResourceMark rm;
duke@435	47	tty->print_cr("PcDesc(pc=0x%lx offset=%x):", real_pc(code), pc_offset());
duke@435	48
duke@435	49	if (scope_decode_offset() == DebugInformationRecorder::serialized_null) {
duke@435	50	return;
duke@435	51	}
duke@435	52
duke@435	53	for (ScopeDesc* sd = code->scope_desc_at(real_pc(code));
duke@435	54	sd != NULL;
duke@435	55	sd = sd->sender()) {
duke@435	56	tty->print(" ");
duke@435	57	sd->method()->print_short_name(tty);
duke@435	58	tty->print(" @%d", sd->bci());
kvn@1687	59	if (sd->should_reexecute())
kvn@1687	60	tty->print(" reexecute=true");
duke@435	61	tty->cr();
duke@435	62	}
duke@435	63	#endif
duke@435	64	}
duke@435	65
duke@435	66	bool PcDesc::verify(nmethod* code) {
duke@435	67	//Unimplemented();
duke@435	68	return true;
duke@435	69	}