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84 lines
3.2 KiB
C++
84 lines
3.2 KiB
C++
/*
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* Copyright (c) 1999, 2012, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*
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*/
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#include "precompiled.hpp"
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#include "code/codeCache.hpp"
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#include "code/nmethod.hpp"
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#include "runtime/frame.hpp"
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#include "runtime/init.hpp"
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#include "runtime/os.hpp"
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#include "utilities/debug.hpp"
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#include "utilities/top.hpp"
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#ifndef PRODUCT
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extern "C" void findpc(int x);
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void pd_ps(frame f) {
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intptr_t* sp = f.sp();
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intptr_t* prev_sp = sp - 1;
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intptr_t *pc = NULL;
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intptr_t *next_pc = NULL;
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int count = 0;
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tty->print_cr("register window backtrace from " INTPTR_FORMAT ":", p2i(sp));
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while (sp != NULL && ((intptr_t)sp & 7) == 0 && sp > prev_sp && sp < prev_sp+1000) {
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pc = next_pc;
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next_pc = (intptr_t*) sp[I7->sp_offset_in_saved_window()];
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tty->print("[%d] sp=" INTPTR_FORMAT " pc=", count, p2i(sp));
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findpc((intptr_t)pc);
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if (WizardMode && Verbose) {
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// print register window contents also
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tty->print_cr(" L0..L7: {"
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INTPTR_FORMAT " " INTPTR_FORMAT " " INTPTR_FORMAT " " INTPTR_FORMAT " "
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INTPTR_FORMAT " " INTPTR_FORMAT " " INTPTR_FORMAT " " INTPTR_FORMAT " ",
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sp[0+0], sp[0+1], sp[0+2], sp[0+3],
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sp[0+4], sp[0+5], sp[0+6], sp[0+7]);
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tty->print_cr(" I0..I7: {"
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INTPTR_FORMAT " " INTPTR_FORMAT " " INTPTR_FORMAT " " INTPTR_FORMAT " "
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INTPTR_FORMAT " " INTPTR_FORMAT " " INTPTR_FORMAT " " INTPTR_FORMAT " ",
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sp[8+0], sp[8+1], sp[8+2], sp[8+3],
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sp[8+4], sp[8+5], sp[8+6], sp[8+7]);
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// (and print stack frame contents too??)
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CodeBlob *b = CodeCache::find_blob((address) pc);
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if (b != NULL) {
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if (b->is_nmethod()) {
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Method* m = ((nmethod*)b)->method();
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int nlocals = m->max_locals();
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int nparams = m->size_of_parameters();
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tty->print_cr("compiled java method (locals = %d, params = %d)", nlocals, nparams);
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}
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}
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}
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prev_sp = sp;
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sp = (intptr_t *)sp[FP->sp_offset_in_saved_window()];
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sp = (intptr_t *)((intptr_t)sp + STACK_BIAS);
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count += 1;
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}
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if (sp != NULL)
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tty->print("[%d] sp=" INTPTR_FORMAT " [bogus sp!]", count, p2i(sp));
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}
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#endif // PRODUCT
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