hook.lib | easy detour-, vftable-, iat- and eathooking | Hacking library
kandi X-RAY | hook.lib Summary
kandi X-RAY | hook.lib Summary
easy detour-, vftable-, iat- and eathooking.
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QUESTION
I've downloaded the infinityHook open source project compiled it successfully (both release and debug compilations) in VS2017 Community on Windows 8.1. Now I'm trying to link the libinfinityhook.lib file using the #pragma comment directive in my project as follows:
...ANSWER
Answered 2022-Jan-28 at 01:38OK I found the error I was making. As per the Microsoft article here the linker searches first in the current working directory, and then in the path specified in the LIB environment variable. However I did not place the lib file in any of the directories as stated in lib environment variable nor in the current working directory.
QUESTION
I've built a statically linked library from a project which I downloaded from here InfinityHook project I'm getting the following two (2) errors in Visual Studio 2017 when I reference any of the functions which are available for export.
Error LNK2019 unresolved external symbol IfhInitialize referenced in function DriverEntry HelloWorld_Driver C:\Users\MYSELF\Documents\Visual Studio 2017\Projects\HelloWorld_Driver\HelloWorld_Driver\Driver.obj
Error LNK1120 1 unresolved externals HelloWorld_Driver C:\Users\MYSELF\Documents\Visual Studio 2017\Projects\HelloWorld_Driver\x64\Debug\HelloWorld_Driver.sys
I get the same type of error when I reference another function from the same infinityhook.h header file and which is statically built in the libinfinityhook.lib file. So basically none of the functions that are "exported" are available to be called and are giving linking errors when referenced from the main project. Before arriving at this conclusion I tried several possible solutions found on StackOverflow but none of them have worked. I've added the statically linked file libinfiinityhook.lib in Visual Studio 2017 Configuration Properties->Linker->Input->Additional Dependencies and the file is located in the correct directory on disk so the linker can find it. But I also added the directory path to this library file to the following settings in VS2017 Configuration Properties->Linker->General->Additional Library Directories.
...ANSWER
Answered 2021-Apr-29 at 15:22If anyone else is having the same issue the problem was that I was calling the two C++ defined functions, declared as C++ functions from a "C" based module. Recompiled the static library with the keyword extern and all is working as it should.
QUESTION
Can you derive the function declaration from the output of the following command DUMPBIN /SYMBOLS command ? I ran this command as follows: DUMPBIN /SYMBOLS libinfinityhook.lib and got the following from the dump:
IfhInitialize@@YAJP6AXIPEAPEAX@Z@Z (long __cdecl IfhInitialize(void (__cdecl*)(unsigned int,void * *)))
What would the function declaration of the above output be ? Perhaps something like the following:
...ANSWER
Answered 2021-Apr-26 at 11:34Microsoft Visual Studio comes with a utility called undname.exe
which will reverse most decorated names into undecorated names.
GNU Binutils has c++filt
which will do the same for GCC name mangling.
LLVM has llvm-cxxfilt
the symbol name demangler, which is compatible with GNU Binutils c++filt
because LLVM and GCC use the same name mangling scheme.
On a related note, in process, Boost demangle
allows undecorating symbol names from the typeid
name()
. Keeping in mind that the typeid
name()
is not dictated by the C++ standard, rather is compiler specific. So it is not portable, and not suitable for cross-platform serialization/deserialization. Alas.
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