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[+] AU_DLL.h

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This commit is contained in:
Reece Wilson 2023-10-10 21:42:17 +01:00
parent c30cada865
commit 3507f862c7
1 changed files with 70 additions and 0 deletions
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Include/AU_DLL.h Normal file
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/***
Copyright (C) 2023 J Reece Wilson (a/k/a "Reece"). All rights reserved.
File: AU_DLL.h
Date: 2023-10-10
Author: Reece
***/
#pragma once
#if defined(_AU_BUILDING_SHAREDLIB) || \
defined(AU_DLL_NO_SHARED_CHECK)
#if defined(AURORA_PLATFORM_WIN32)
#if !defined(DLL_PROCESS_ATTACH)
#define HMODULE void *
#define DLL_PROCESS_ATTACH 1
#if !defined(TRUE)
#define TRUE 1
#endif
#endif
extern "C" __declspec(dllimport) int __stdcall DisableThreadLibraryCalls(HMODULE hLibModule);
#define AURORA_DLL_ATTACH(func) \
\
int __stdcall DllMain( \
HMODULE hinstDLL, \
unsigned long fdwReason, \
void *lpvReserved) \
{ \
if (fdwReason == DLL_PROCESS_ATTACH) \
{ \
(void)DisableThreadLibraryCalls(hinstDLL); \
func(); \
} \
return TRUE; \
}
#elif defined(AURORA_COMPILER_CLANG) || defined(AURORA_COMPILER_GCC)
#define AURORA_DLL_ATTACH(func) \
__attribute__((constructor)) \
static void FuncTlsHook ## __COUNTER__(void) \
{ \
func(); \
}
#elif defined(__cplusplus)
struct TlsHook
{
TlsHook(AuVoidFunc func)
{
a = 3;
if (func)
{
func();
}
}
AuUInt32 a;
};
#define AURORA_DLL_ATTACH(func) \
static TlsHook gTlsHook ## __COUNTER__(func);
#endif
#else
#define AURORA_DLL_ATTACH(func)
#endif