1 /*
   2  * Copyright (c) 2003, 2007, Oracle and/or its affiliates. All rights reserved.
   3  * Copyright 2007, 2008, 2009, 2010 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  21  * or visit www.oracle.com if you need additional information or have any
  22  * questions.
  23  *
  24  */
  25 
  26 // do not include precompiled header file
  27 #include "incls/_os_linux_zero.cpp.incl"



































  28 
  29 address os::current_stack_pointer() {
  30   address dummy = (address) &dummy;
  31   return dummy;
  32 }
  33 
  34 frame os::get_sender_for_C_frame(frame* fr) {
  35   ShouldNotCallThis();
  36 }
  37 
  38 frame os::current_frame() {
  39   // The only thing that calls this is the stack printing code in
  40   // VMError::report:
  41   //   - Step 110 (printing stack bounds) uses the sp in the frame
  42   //     to determine the amount of free space on the stack.  We
  43   //     set the sp to a close approximation of the real value in
  44   //     order to allow this step to complete.
  45   //   - Step 120 (printing native stack) tries to walk the stack.
  46   //     The frame we create has a NULL pc, which is ignored as an
  47   //     invalid frame.

   1 /*
   2  * Copyright (c) 2003, 2010, Oracle and/or its affiliates. All rights reserved.
   3  * Copyright 2007, 2008, 2009, 2010 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  21  * or visit www.oracle.com if you need additional information or have any
  22  * questions.
  23  *
  24  */
  25 
  26 // no precompiled headers
  27 #include "assembler_zero.inline.hpp"
  28 #include "classfile/classLoader.hpp"
  29 #include "classfile/systemDictionary.hpp"
  30 #include "classfile/vmSymbols.hpp"
  31 #include "code/icBuffer.hpp"
  32 #include "code/vtableStubs.hpp"
  33 #include "interpreter/interpreter.hpp"
  34 #include "jvm_linux.h"
  35 #include "memory/allocation.inline.hpp"
  36 #include "mutex_linux.inline.hpp"
  37 #include "nativeInst_zero.hpp"
  38 #include "os_share_linux.hpp"
  39 #include "prims/jniFastGetField.hpp"
  40 #include "prims/jvm.h"
  41 #include "prims/jvm_misc.hpp"
  42 #include "runtime/arguments.hpp"
  43 #include "runtime/extendedPC.hpp"
  44 #include "runtime/frame.inline.hpp"
  45 #include "runtime/hpi.hpp"
  46 #include "runtime/interfaceSupport.hpp"
  47 #include "runtime/java.hpp"
  48 #include "runtime/javaCalls.hpp"
  49 #include "runtime/mutexLocker.hpp"
  50 #include "runtime/osThread.hpp"
  51 #include "runtime/sharedRuntime.hpp"
  52 #include "runtime/stubRoutines.hpp"
  53 #include "runtime/timer.hpp"
  54 #include "thread_linux.inline.hpp"
  55 #include "utilities/events.hpp"
  56 #include "utilities/vmError.hpp"
  57 #ifdef COMPILER1
  58 #include "c1/c1_Runtime1.hpp"
  59 #endif
  60 #ifdef COMPILER2
  61 #include "opto/runtime.hpp"
  62 #endif
  63 
  64 address os::current_stack_pointer() {
  65   address dummy = (address) &dummy;
  66   return dummy;
  67 }
  68 
  69 frame os::get_sender_for_C_frame(frame* fr) {
  70   ShouldNotCallThis();
  71 }
  72 
  73 frame os::current_frame() {
  74   // The only thing that calls this is the stack printing code in
  75   // VMError::report:
  76   //   - Step 110 (printing stack bounds) uses the sp in the frame
  77   //     to determine the amount of free space on the stack.  We
  78   //     set the sp to a close approximation of the real value in
  79   //     order to allow this step to complete.
  80   //   - Step 120 (printing native stack) tries to walk the stack.
  81   //     The frame we create has a NULL pc, which is ignored as an
  82   //     invalid frame.