src/os_cpu/windows_x86/vm/thread_windows_x86.hpp

changeset 435
a61af66fc99e
child 1907
c18cbe5936b8
     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/src/os_cpu/windows_x86/vm/thread_windows_x86.hpp	Sat Dec 01 00:00:00 2007 +0000
     1.3 @@ -0,0 +1,62 @@
     1.4 +/*
     1.5 + * Copyright 1999-2007 Sun Microsystems, Inc.  All Rights Reserved.
     1.6 + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
     1.7 + *
     1.8 + * This code is free software; you can redistribute it and/or modify it
     1.9 + * under the terms of the GNU General Public License version 2 only, as
    1.10 + * published by the Free Software Foundation.
    1.11 + *
    1.12 + * This code is distributed in the hope that it will be useful, but WITHOUT
    1.13 + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
    1.14 + * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
    1.15 + * version 2 for more details (a copy is included in the LICENSE file that
    1.16 + * accompanied this code).
    1.17 + *
    1.18 + * You should have received a copy of the GNU General Public License version
    1.19 + * 2 along with this work; if not, write to the Free Software Foundation,
    1.20 + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
    1.21 + *
    1.22 + * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
    1.23 + * CA 95054 USA or visit www.sun.com if you need additional information or
    1.24 + * have any questions.
    1.25 + *
    1.26 + */
    1.27 +
    1.28 + private:
    1.29 +  void pd_initialize() {
    1.30 +    _anchor.clear();
    1.31 +  }
    1.32 +
    1.33 +  frame pd_last_frame() {
    1.34 +    assert(has_last_Java_frame(), "must have last_Java_sp() when suspended");
    1.35 +    if (_anchor.last_Java_pc() != NULL) {
    1.36 +      return frame(_anchor.last_Java_sp(), _anchor.last_Java_fp(), _anchor.last_Java_pc());
    1.37 +    } else {
    1.38 +      // This will pick up pc from sp
    1.39 +      return frame(_anchor.last_Java_sp(), _anchor.last_Java_fp());
    1.40 +    }
    1.41 +  }
    1.42 +
    1.43 + public:
    1.44 +  // Mutators are highly dangerous....
    1.45 +  intptr_t* last_Java_fp()                       { return _anchor.last_Java_fp(); }
    1.46 +  void  set_last_Java_fp(intptr_t* fp)           { _anchor.set_last_Java_fp(fp);   }
    1.47 +
    1.48 +  void set_base_of_stack_pointer(intptr_t* base_sp)  {}
    1.49 +
    1.50 +
    1.51 +  static ByteSize last_Java_fp_offset()          {
    1.52 +    return byte_offset_of(JavaThread, _anchor) + JavaFrameAnchor::last_Java_fp_offset();
    1.53 +  }
    1.54 +
    1.55 +  intptr_t* base_of_stack_pointer()              { return NULL; }
    1.56 +  void record_base_of_stack_pointer()            {}
    1.57 +
    1.58 +  bool pd_get_top_frame_for_signal_handler(frame* fr_addr, void* ucontext,
    1.59 +    bool isInJava);
    1.60 +
    1.61 +  // These routines are only used on cpu architectures that
    1.62 +  // have separate register stacks (Itanium).
    1.63 +  static bool register_stack_overflow() { return false; }
    1.64 +  static void enable_register_stack_guard() {}
    1.65 +  static void disable_register_stack_guard() {}

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