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