ia32.h

Go to the documentation of this file.

/* Copyright (c) 2010 Wildfire Games
 *
 * Permission is hereby granted, free of charge, to any person obtaining
 * a copy of this software and associated documentation files (the
 * "Software"), to deal in the Software without restriction, including
 * without limitation the rights to use, copy, modify, merge, publish,
 * distribute, sublicense, and/or sell copies of the Software, and to
 * permit persons to whom the Software is furnished to do so, subject to
 * the following conditions:
 * 
 * The above copyright notice and this permission notice shall be included
 * in all copies or substantial portions of the Software.
 * 
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
 * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
 * CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
 * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
 * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 */

/*
 * routines specific to IA-32
 */

#ifndef INCLUDED_IA32
#define INCLUDED_IA32

#if !ARCH_IA32
# error "including ia32.h without ARCH_IA32=1"
#endif

/**
 * check if there is an IA-32 CALL instruction right before ret_addr.
 * @return INFO::OK if so and ERR::FAIL if not.
 *
 * also attempts to determine the call target. if that is possible
 * (directly addressed relative or indirect jumps), it is stored in
 * target, which is otherwise 0.
 *
 * this function is used for walking the call stack.
 **/
LIB_API Status ia32_GetCallTarget(void* ret_addr, void*& target);

#endif  // #ifndef INCLUDED_IA32