jdk8-mips64-public/hotspot: src/cpu/sparc/vm/debug

6953477: Increase portability and flexibility of building Hotspot
Summary: A collection of portability improvements including shared code support for PPC, ARM platforms, software floating point, cross compilation support and improvements in error crash detail.
Reviewed-by: phh, never, coleenp, dholmes

     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  */

    25 #include "incls/_precompiled.incl"

    26 #include "incls/_debug_sparc.cpp.incl"

    28 #ifndef PRODUCT

    30 extern "C" void findpc(int x);

    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??)

    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 }

    74 #endif // PRODUCT

src/cpu/sparc/vm/debug_sparc.cpp@126ea7725993

src/cpu/sparc/vm/debug_sparc.cpp

Mercurial > jdk8-mips64-public > hotspot / file revision

src/cpu/sparc/vm/debug_sparc.cpp@126ea7725993

src/cpu/sparc/vm/debug_sparc.cpp