1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/src/cpu/sparc/vm/debug_sparc.cpp Wed Apr 27 01:25:04 2016 +0800
1.3 @@ -0,0 +1,80 @@
1.4 +/*
1.5 + * Copyright (c) 1999, 2012, Oracle and/or its affiliates. All rights reserved.
1.6 + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
1.7 + *
1.8 + * This code is free software; you can redistribute it and/or modify it
1.9 + * under the terms of the GNU General Public License version 2 only, as
1.10 + * published by the Free Software Foundation.
1.11 + *
1.12 + * This code is distributed in the hope that it will be useful, but WITHOUT
1.13 + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
1.14 + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
1.15 + * version 2 for more details (a copy is included in the LICENSE file that
1.16 + * accompanied this code).
1.17 + *
1.18 + * You should have received a copy of the GNU General Public License version
1.19 + * 2 along with this work; if not, write to the Free Software Foundation,
1.20 + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
1.21 + *
1.22 + * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
1.23 + * or visit www.oracle.com if you need additional information or have any
1.24 + * questions.
1.25 + *
1.26 + */
1.27 +
1.28 +#include "precompiled.hpp"
1.29 +#include "code/codeCache.hpp"
1.30 +#include "code/nmethod.hpp"
1.31 +#include "runtime/frame.hpp"
1.32 +#include "runtime/init.hpp"
1.33 +#include "runtime/os.hpp"
1.34 +#include "utilities/debug.hpp"
1.35 +#include "utilities/top.hpp"
1.36 +
1.37 +#ifndef PRODUCT
1.38 +
1.39 +extern "C" void findpc(int x);
1.40 +
1.41 +
1.42 +void pd_ps(frame f) {
1.43 + intptr_t* sp = f.sp();
1.44 + intptr_t* prev_sp = sp - 1;
1.45 + intptr_t *pc = NULL;
1.46 + intptr_t *next_pc = NULL;
1.47 + int count = 0;
1.48 + tty->print("register window backtrace from %#x:\n", sp);
1.49 + while (sp != NULL && ((intptr_t)sp & 7) == 0 && sp > prev_sp && sp < prev_sp+1000) {
1.50 + pc = next_pc;
1.51 + next_pc = (intptr_t*) sp[I7->sp_offset_in_saved_window()];
1.52 + tty->print("[%d] sp=%#x pc=", count, sp);
1.53 + findpc((intptr_t)pc);
1.54 + if (WizardMode && Verbose) {
1.55 + // print register window contents also
1.56 + tty->print_cr(" L0..L7: {%#x %#x %#x %#x %#x %#x %#x %#x}",
1.57 + sp[0+0],sp[0+1],sp[0+2],sp[0+3],
1.58 + sp[0+4],sp[0+5],sp[0+6],sp[0+7]);
1.59 + tty->print_cr(" I0..I7: {%#x %#x %#x %#x %#x %#x %#x %#x}",
1.60 + sp[8+0],sp[8+1],sp[8+2],sp[8+3],
1.61 + sp[8+4],sp[8+5],sp[8+6],sp[8+7]);
1.62 + // (and print stack frame contents too??)
1.63 +
1.64 + CodeBlob *b = CodeCache::find_blob((address) pc);
1.65 + if (b != NULL) {
1.66 + if (b->is_nmethod()) {
1.67 + Method* m = ((nmethod*)b)->method();
1.68 + int nlocals = m->max_locals();
1.69 + int nparams = m->size_of_parameters();
1.70 + tty->print_cr("compiled java method (locals = %d, params = %d)", nlocals, nparams);
1.71 + }
1.72 + }
1.73 + }
1.74 + prev_sp = sp;
1.75 + sp = (intptr_t *)sp[FP->sp_offset_in_saved_window()];
1.76 + sp = (intptr_t *)((intptr_t)sp + STACK_BIAS);
1.77 + count += 1;
1.78 + }
1.79 + if (sp != NULL)
1.80 + tty->print("[%d] sp=%#x [bogus sp!]", count, sp);
1.81 +}
1.82 +
1.83 +#endif // PRODUCT
