src/os_cpu/linux_x86/vm/thread_linux_x86.hpp

Thu, 22 Apr 2010 13:23:15 -0700

author
jcoomes
date
Thu, 22 Apr 2010 13:23:15 -0700
changeset 1845
f03d0a26bf83
parent 435
a61af66fc99e
child 1907
c18cbe5936b8
permissions
-rw-r--r--

6888954: argument formatting for assert() and friends
Reviewed-by: kvn, twisti, apetrusenko, never, dcubed

     1 /*
     2  * Copyright 2000-2007 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  */
    25  private:
    26   void pd_initialize() {
    27     _anchor.clear();
    28   }
    30   frame pd_last_frame() {
    31     assert(has_last_Java_frame(), "must have last_Java_sp() when suspended");
    32     if (_anchor.last_Java_pc() != NULL) {
    33       return frame(_anchor.last_Java_sp(), _anchor.last_Java_fp(), _anchor.last_Java_pc());
    34     } else {
    35       // This will pick up pc from sp
    36       return frame(_anchor.last_Java_sp(), _anchor.last_Java_fp());
    37     }
    38   }
    40  public:
    41   // Mutators are highly dangerous....
    42   intptr_t* last_Java_fp()                       { return _anchor.last_Java_fp(); }
    43   void  set_last_Java_fp(intptr_t* fp)           { _anchor.set_last_Java_fp(fp);   }
    45   void set_base_of_stack_pointer(intptr_t* base_sp) {
    46   }
    48   static ByteSize last_Java_fp_offset()          {
    49     return byte_offset_of(JavaThread, _anchor) + JavaFrameAnchor::last_Java_fp_offset();
    50   }
    52   intptr_t* base_of_stack_pointer() {
    53     return NULL;
    54   }
    55   void record_base_of_stack_pointer() {
    56   }
    58   bool pd_get_top_frame_for_signal_handler(frame* fr_addr, void* ucontext,
    59     bool isInJava);
    61   // These routines are only used on cpu architectures that
    62   // have separate register stacks (Itanium).
    63   static bool register_stack_overflow() { return false; }
    64   static void enable_register_stack_guard() {}
    65   static void disable_register_stack_guard() {}

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