1 /* 2 * Copyright (c) 1999, 2007, Oracle and/or its affiliates. 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * 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