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comparison src/cpu/sparc/vm/debug_sparc.cpp @ 0:a61af66fc99e jdk7-b24

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author duke
date Sat, 01 Dec 2007 00:00:00 +0000
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children c18cbe5936b8
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-1:000000000000 0:a61af66fc99e
1 /*
2 * Copyright 1999-2007 Sun Microsystems, Inc. All Rights Reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation.
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
20 * CA 95054 USA or visit www.sun.com if you need additional information or
21 * have any questions.
22 *
23 */
24
25 #include "incls/_precompiled.incl"
26 #include "incls/_debug_sparc.cpp.incl"
27
28 #ifndef PRODUCT
29
30 extern "C" void findpc(int x);
31
32
33 void pd_ps(frame f) {
34 intptr_t* sp = f.sp();
35 intptr_t* prev_sp = sp - 1;
36 intptr_t *pc = NULL;
37 intptr_t *next_pc = NULL;
38 int count = 0;
39 tty->print("register window backtrace from %#x:\n", sp);
40 while (sp != NULL && ((intptr_t)sp & 7) == 0 && sp > prev_sp && sp < prev_sp+1000) {
41 pc = next_pc;
42 next_pc = (intptr_t*) sp[I7->sp_offset_in_saved_window()];
43 tty->print("[%d] sp=%#x pc=", count, sp);
44 findpc((intptr_t)pc);
45 if (WizardMode && Verbose) {
46 // print register window contents also
47 tty->print_cr(" L0..L7: {%#x %#x %#x %#x %#x %#x %#x %#x}",
48 sp[0+0],sp[0+1],sp[0+2],sp[0+3],
49 sp[0+4],sp[0+5],sp[0+6],sp[0+7]);
50 tty->print_cr(" I0..I7: {%#x %#x %#x %#x %#x %#x %#x %#x}",
51 sp[8+0],sp[8+1],sp[8+2],sp[8+3],
52 sp[8+4],sp[8+5],sp[8+6],sp[8+7]);
53 // (and print stack frame contents too??)
54
55 CodeBlob *b = CodeCache::find_blob((address) pc);
56 if (b != NULL) {
57 if (b->is_nmethod()) {
58 methodOop m = ((nmethod*)b)->method();
59 int nlocals = m->max_locals();
60 int nparams = m->size_of_parameters();
61 tty->print_cr("compiled java method (locals = %d, params = %d)", nlocals, nparams);
62 }
63 }
64 }
65 prev_sp = sp;
66 sp = (intptr_t *)sp[FP->sp_offset_in_saved_window()];
67 sp = (intptr_t *)((intptr_t)sp + STACK_BIAS);
68 count += 1;
69 }
70 if (sp != NULL)
71 tty->print("[%d] sp=%#x [bogus sp!]", count, sp);
72 }
73
74 #endif // PRODUCT