src/cpu/zero/vm/frame_zero.hpp

Tue, 13 Oct 2009 12:04:21 -0700

author
never
date
Tue, 13 Oct 2009 12:04:21 -0700
changeset 1445
354d3184f6b2
child 1513
8e7adf982378
permissions
-rw-r--r--

6890308: integrate zero assembler hotspot changes
Reviewed-by: never
Contributed-by: gbenson@redhat.com

     1 /*
     2  * Copyright 2003-2007 Sun Microsystems, Inc.  All Rights Reserved.
     3  * Copyright 2007, 2008, 2009 Red Hat, Inc.
     4  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
     5  *
     6  * This code is free software; you can redistribute it and/or modify it
     7  * under the terms of the GNU General Public License version 2 only, as
     8  * published by the Free Software Foundation.
     9  *
    10  * This code is distributed in the hope that it will be useful, but WITHOUT
    11  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
    12  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
    13  * version 2 for more details (a copy is included in the LICENSE file that
    14  * accompanied this code).
    15  *
    16  * You should have received a copy of the GNU General Public License version
    17  * 2 along with this work; if not, write to the Free Software Foundation,
    18  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
    19  *
    20  * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
    21  * CA 95054 USA or visit www.sun.com if you need additional information or
    22  * have any questions.
    23  *
    24  */
    26 // A frame represents a physical stack frame on the Zero stack.
    28  public:
    29   enum {
    30     pc_return_offset = 0
    31   };
    33   // Constructor
    34  public:
    35   frame(intptr_t* sp, intptr_t* fp);
    37   // The sp of a Zero frame is the address of the highest word in
    38   // that frame.  We keep track of the lowest address too, so the
    39   // boundaries of the frame are available for debug printing.
    40  private:
    41   intptr_t* _fp;
    43  public:
    44   intptr_t* fp() const {
    45     return _fp;
    46   }
    48 #ifdef CC_INTERP
    49   inline interpreterState get_interpreterState() const;
    50 #endif // CC_INTERP
    52  public:
    53   const ZeroFrame *zeroframe() const {
    54     return (ZeroFrame *) sp();
    55   }
    57   const EntryFrame *zero_entryframe() const {
    58     return zeroframe()->as_entry_frame();
    59   }
    60   const InterpreterFrame *zero_interpreterframe() const {
    61     return zeroframe()->as_interpreter_frame();
    62   }
    63   const SharkFrame *zero_sharkframe() const {
    64     return zeroframe()->as_shark_frame();
    65   }
    67  public:
    68   bool is_fake_stub_frame() const;
    70  public:
    71   frame sender_for_fake_stub_frame(RegisterMap* map) const;
    73  public:
    74   void zero_print_on_error(int           index,
    75                            outputStream* st,
    76                            char*         buf,
    77                            int           buflen) const;

mercurial