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src/cpu/sparc/vm/debug_sparc.cpp@f90c822e73f8 (annotated)

src/cpu/sparc/vm/debug_sparc.cpp

Wed, 27 Apr 2016 01:25:04 +0800

author

aoqi

date

Wed, 27 Apr 2016 01:25:04 +0800

changeset 0

f90c822e73f8

child 6876

710a3c8b516e

permissions

-rw-r--r--

Initial load
http://hg.openjdk.java.net/jdk8u/jdk8u/hotspot/
changeset: 6782:28b50d07f6f8
tag: jdk8u25-b17

aoqi@0	1	/*
aoqi@0	2	* Copyright (c) 1999, 2012, 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@0	25	#include "precompiled.hpp"
aoqi@0	26	#include "code/codeCache.hpp"
aoqi@0	27	#include "code/nmethod.hpp"
aoqi@0	28	#include "runtime/frame.hpp"
aoqi@0	29	#include "runtime/init.hpp"
aoqi@0	30	#include "runtime/os.hpp"
aoqi@0	31	#include "utilities/debug.hpp"
aoqi@0	32	#include "utilities/top.hpp"
aoqi@0	33
aoqi@0	34	#ifndef PRODUCT
aoqi@0	35
aoqi@0	36	extern "C" void findpc(int x);
aoqi@0	37
aoqi@0	38
aoqi@0	39	void pd_ps(frame f) {
aoqi@0	40	intptr_t* sp = f.sp();
aoqi@0	41	intptr_t* prev_sp = sp - 1;
aoqi@0	42	intptr_t *pc = NULL;
aoqi@0	43	intptr_t *next_pc = NULL;
aoqi@0	44	int count = 0;
aoqi@0	45	tty->print("register window backtrace from %#x:\n", sp);
aoqi@0	46	while (sp != NULL && ((intptr_t)sp & 7) == 0 && sp > prev_sp && sp < prev_sp+1000) {
aoqi@0	47	pc = next_pc;
aoqi@0	48	next_pc = (intptr_t*) sp[I7->sp_offset_in_saved_window()];
aoqi@0	49	tty->print("[%d] sp=%#x pc=", count, sp);
aoqi@0	50	findpc((intptr_t)pc);
aoqi@0	51	if (WizardMode && Verbose) {
aoqi@0	52	// print register window contents also
aoqi@0	53	tty->print_cr(" L0..L7: {%#x %#x %#x %#x %#x %#x %#x %#x}",
aoqi@0	54	sp[0+0],sp[0+1],sp[0+2],sp[0+3],
aoqi@0	55	sp[0+4],sp[0+5],sp[0+6],sp[0+7]);
aoqi@0	56	tty->print_cr(" I0..I7: {%#x %#x %#x %#x %#x %#x %#x %#x}",
aoqi@0	57	sp[8+0],sp[8+1],sp[8+2],sp[8+3],
aoqi@0	58	sp[8+4],sp[8+5],sp[8+6],sp[8+7]);
aoqi@0	59	// (and print stack frame contents too??)
aoqi@0	60
aoqi@0	61	CodeBlob *b = CodeCache::find_blob((address) pc);
aoqi@0	62	if (b != NULL) {
aoqi@0	63	if (b->is_nmethod()) {
aoqi@0	64	Method* m = ((nmethod*)b)->method();
aoqi@0	65	int nlocals = m->max_locals();
aoqi@0	66	int nparams = m->size_of_parameters();
aoqi@0	67	tty->print_cr("compiled java method (locals = %d, params = %d)", nlocals, nparams);
aoqi@0	68	}
aoqi@0	69	}
aoqi@0	70	}
aoqi@0	71	prev_sp = sp;
aoqi@0	72	sp = (intptr_t *)sp[FP->sp_offset_in_saved_window()];
aoqi@0	73	sp = (intptr_t *)((intptr_t)sp + STACK_BIAS);
aoqi@0	74	count += 1;
aoqi@0	75	}
aoqi@0	76	if (sp != NULL)
aoqi@0	77	tty->print("[%d] sp=%#x [bogus sp!]", count, sp);
aoqi@0	78	}
aoqi@0	79
aoqi@0	80	#endif // PRODUCT