0ad/source/lib/sysdep/arch/ia32/ia32.h

47 lines
1.7 KiB
C

/* 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 LibError ia32_GetCallTarget(void* ret_addr, void*& target);
#endif // #ifndef INCLUDED_IA32