blob: f3af85a4465a33c50c8f9f7a5ad9cb01bd852031 [file] [log] [blame]
/* **********************************************************
* Copyright (c) 2014 Google, Inc. All rights reserved.
* **********************************************************/
/*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* * Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
*
* * Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* * Neither the name of Google, Inc. nor the names of its contributors may be
* used to endorse or promote products derived from this software without
* specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL VMWARE, INC. OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH
* DAMAGE.
*/
/*
* cross-platform assembly and trampoline code
*/
#include "asm_defines.asm"
START_FILE
#if defined(INTERNAL) && !defined(NOT_DYNAMORIO_CORE_PROPER) && defined(X86)
DECL_EXTERN(internal_error)
#endif
/* For debugging: report an error if the function called by call_switch_stack()
* unexpectedly returns. Also used elsewhere.
*/
DECLARE_FUNC(unexpected_return)
GLOBAL_LABEL(unexpected_return:)
#if defined(INTERNAL) && !defined(NOT_DYNAMORIO_CORE_PROPER) && defined(X86)
/* FIXME i#1551: add CALLC3 in ARM */
CALLC3(GLOBAL_REF(internal_error), 0, -99 /* line # */, 0)
/* internal_error never returns */
#endif
/* infinite loop is intentional: FIXME: do better in release build!
* FIXME - why not a debug instr?
*/
JUMP GLOBAL_REF(unexpected_return)
END_FUNC(unexpected_return)
END_FILE