src/cpu/sparc/vm/debug_sparc.cpp

Mon, 25 Feb 2008 15:05:44 -0800

author
kvn
date
Mon, 25 Feb 2008 15:05:44 -0800
changeset 464
d5fc211aea19
parent 435
a61af66fc99e
child 1907
c18cbe5936b8
permissions
-rw-r--r--

6633953: type2aelembytes{T_ADDRESS} should be 8 bytes in 64 bit VM
Summary: T_ADDRESS size is defined as 'int' size (4 bytes) but C2 use it for raw pointers and as memory type for StoreP and LoadP nodes.
Reviewed-by: jrose

duke@435 1 /*
duke@435 2 * Copyright 1999-2007 Sun Microsystems, Inc. All Rights Reserved.
duke@435 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
duke@435 4 *
duke@435 5 * This code is free software; you can redistribute it and/or modify it
duke@435 6 * under the terms of the GNU General Public License version 2 only, as
duke@435 7 * published by the Free Software Foundation.
duke@435 8 *
duke@435 9 * This code is distributed in the hope that it will be useful, but WITHOUT
duke@435 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
duke@435 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
duke@435 12 * version 2 for more details (a copy is included in the LICENSE file that
duke@435 13 * accompanied this code).
duke@435 14 *
duke@435 15 * You should have received a copy of the GNU General Public License version
duke@435 16 * 2 along with this work; if not, write to the Free Software Foundation,
duke@435 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
duke@435 18 *
duke@435 19 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
duke@435 20 * CA 95054 USA or visit www.sun.com if you need additional information or
duke@435 21 * have any questions.
duke@435 22 *
duke@435 23 */
duke@435 24
duke@435 25 #include "incls/_precompiled.incl"
duke@435 26 #include "incls/_debug_sparc.cpp.incl"
duke@435 27
duke@435 28 #ifndef PRODUCT
duke@435 29
duke@435 30 extern "C" void findpc(int x);
duke@435 31
duke@435 32
duke@435 33 void pd_ps(frame f) {
duke@435 34 intptr_t* sp = f.sp();
duke@435 35 intptr_t* prev_sp = sp - 1;
duke@435 36 intptr_t *pc = NULL;
duke@435 37 intptr_t *next_pc = NULL;
duke@435 38 int count = 0;
duke@435 39 tty->print("register window backtrace from %#x:\n", sp);
duke@435 40 while (sp != NULL && ((intptr_t)sp & 7) == 0 && sp > prev_sp && sp < prev_sp+1000) {
duke@435 41 pc = next_pc;
duke@435 42 next_pc = (intptr_t*) sp[I7->sp_offset_in_saved_window()];
duke@435 43 tty->print("[%d] sp=%#x pc=", count, sp);
duke@435 44 findpc((intptr_t)pc);
duke@435 45 if (WizardMode && Verbose) {
duke@435 46 // print register window contents also
duke@435 47 tty->print_cr(" L0..L7: {%#x %#x %#x %#x %#x %#x %#x %#x}",
duke@435 48 sp[0+0],sp[0+1],sp[0+2],sp[0+3],
duke@435 49 sp[0+4],sp[0+5],sp[0+6],sp[0+7]);
duke@435 50 tty->print_cr(" I0..I7: {%#x %#x %#x %#x %#x %#x %#x %#x}",
duke@435 51 sp[8+0],sp[8+1],sp[8+2],sp[8+3],
duke@435 52 sp[8+4],sp[8+5],sp[8+6],sp[8+7]);
duke@435 53 // (and print stack frame contents too??)
duke@435 54
duke@435 55 CodeBlob *b = CodeCache::find_blob((address) pc);
duke@435 56 if (b != NULL) {
duke@435 57 if (b->is_nmethod()) {
duke@435 58 methodOop m = ((nmethod*)b)->method();
duke@435 59 int nlocals = m->max_locals();
duke@435 60 int nparams = m->size_of_parameters();
duke@435 61 tty->print_cr("compiled java method (locals = %d, params = %d)", nlocals, nparams);
duke@435 62 }
duke@435 63 }
duke@435 64 }
duke@435 65 prev_sp = sp;
duke@435 66 sp = (intptr_t *)sp[FP->sp_offset_in_saved_window()];
duke@435 67 sp = (intptr_t *)((intptr_t)sp + STACK_BIAS);
duke@435 68 count += 1;
duke@435 69 }
duke@435 70 if (sp != NULL)
duke@435 71 tty->print("[%d] sp=%#x [bogus sp!]", count, sp);
duke@435 72 }
duke@435 73
duke@435 74 #endif // PRODUCT

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