Pyrogenesis HEAD
Pyrogenesis, a RTS Engine
ia32.h
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1/* Copyright (C) 2022 Wildfire Games.
2 *
3 * Permission is hereby granted, free of charge, to any person obtaining
4 * a copy of this software and associated documentation files (the
5 * "Software"), to deal in the Software without restriction, including
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8 * permit persons to whom the Software is furnished to do so, subject to
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10 *
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13 *
14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
15 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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21 */
22
23/*
24 * routines specific to IA-32
25 */
26
27#ifndef INCLUDED_IA32
28#define INCLUDED_IA32
29
30#if !ARCH_IA32
31# error "including ia32.h without ARCH_IA32=1"
32#endif
33
34/**
35 * check if there is an IA-32 CALL instruction right before ret_addr.
36 * @return INFO::OK if so and ERR::FAIL if not.
37 *
38 * also attempts to determine the call target. if that is possible
39 * (directly addressed relative or indirect jumps), it is stored in
40 * target, which is otherwise 0.
41 *
42 * this function is used for walking the call stack.
43 **/
44Status ia32_GetCallTarget(void* ret_addr, void*& target);
45
46#endif // #ifndef INCLUDED_IA32
Status ia32_GetCallTarget(void *ret_addr, void *&target)
check if there is an IA-32 CALL instruction right before ret_addr.
i64 Status
Error handling system.
Definition: status.h:173