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src/cpu/sparc/vm/debug_sparc.cpp@126ea7725993 (annotated)

src/cpu/sparc/vm/debug_sparc.cpp

Tue, 03 Aug 2010 08:13:38 -0400

author

bobv

date

Tue, 03 Aug 2010 08:13:38 -0400

changeset 2036

126ea7725993

parent 1907

c18cbe5936b8

child 2314

f95d63e2154a

permissions

-rw-r--r--

6953477: Increase portability and flexibility of building Hotspot
Summary: A collection of portability improvements including shared code support for PPC, ARM platforms, software floating point, cross compilation support and improvements in error crash detail.
Reviewed-by: phh, never, coleenp, dholmes

duke@435	1	/*
trims@1907	2	* Copyright (c) 1999, 2007, 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
duke@435	25	#include "incls/_precompiled.incl"
duke@435	26	#include "incls/_debug_sparc.cpp.incl"
duke@435	27
duke@435	28	#ifndef PRODUCT
duke@435	29
duke@435	30	extern "C" void findpc(int x);
duke@435	31
duke@435	32
duke@435	33	void pd_ps(frame f) {
duke@435	34	intptr_t* sp = f.sp();
duke@435	35	intptr_t* prev_sp = sp - 1;
duke@435	36	intptr_t *pc = NULL;
duke@435	37	intptr_t *next_pc = NULL;
duke@435	38	int count = 0;
duke@435	39	tty->print("register window backtrace from %#x:\n", sp);
duke@435	40	while (sp != NULL && ((intptr_t)sp & 7) == 0 && sp > prev_sp && sp < prev_sp+1000) {
duke@435	41	pc = next_pc;
duke@435	42	next_pc = (intptr_t*) sp[I7->sp_offset_in_saved_window()];
duke@435	43	tty->print("[%d] sp=%#x pc=", count, sp);
duke@435	44	findpc((intptr_t)pc);
duke@435	45	if (WizardMode && Verbose) {
duke@435	46	// print register window contents also
duke@435	47	tty->print_cr(" L0..L7: {%#x %#x %#x %#x %#x %#x %#x %#x}",
duke@435	48	sp[0+0],sp[0+1],sp[0+2],sp[0+3],
duke@435	49	sp[0+4],sp[0+5],sp[0+6],sp[0+7]);
duke@435	50	tty->print_cr(" I0..I7: {%#x %#x %#x %#x %#x %#x %#x %#x}",
duke@435	51	sp[8+0],sp[8+1],sp[8+2],sp[8+3],
duke@435	52	sp[8+4],sp[8+5],sp[8+6],sp[8+7]);
duke@435	53	// (and print stack frame contents too??)
duke@435	54
duke@435	55	CodeBlob *b = CodeCache::find_blob((address) pc);
duke@435	56	if (b != NULL) {
duke@435	57	if (b->is_nmethod()) {
duke@435	58	methodOop m = ((nmethod*)b)->method();
duke@435	59	int nlocals = m->max_locals();
duke@435	60	int nparams = m->size_of_parameters();
duke@435	61	tty->print_cr("compiled java method (locals = %d, params = %d)", nlocals, nparams);
duke@435	62	}
duke@435	63	}
duke@435	64	}
duke@435	65	prev_sp = sp;
duke@435	66	sp = (intptr_t *)sp[FP->sp_offset_in_saved_window()];
duke@435	67	sp = (intptr_t *)((intptr_t)sp + STACK_BIAS);
duke@435	68	count += 1;
duke@435	69	}
duke@435	70	if (sp != NULL)
duke@435	71	tty->print("[%d] sp=%#x [bogus sp!]", count, sp);
duke@435	72	}
duke@435	73
duke@435	74	#endif // PRODUCT