topic pin-2.14-71313 and WinSock library in Intel® ISA Extensions

pin-2.14-71313 and WinSock library

Pavel_R_ — Mon, 23 Mar 2015 17:56:16 GMT

Hi,
I have a problem trying to start my pintool built with WinSock library (ws2_32.lib) - it immediately exits with message "Failure to open DLL file WS2_32.dll".
I've prepared a simple pintool to illistrate the problem:

//----------------------------------------------------------
#include "pin.H"

namespace WINDOWS
{
#include <Ws2tcpip.h>
void *p = WSAStartup;
};

int main(int argc, char *argv[])
{
if (PIN_Init(argc, argv)) return 1;
PIN_StartProgram();
return 0;
}

I've placed this file to a subdirectory of source\tools, added to makefile.rules the following line
TOOL_LIBS := ${TOOL_LIBS} ws2_32.lib

built the pintool
make -B TARGET=ia32

then tried to run with the following command:
..\..\..\pin.exe -t obj-ia32\sock_tool.dll -- c:\windows\System32\cmd /c echo ****** started Ok ******

and have got the following message:
E: Failure to open DLL file Z:\pin-2.14-71313\source\tools\sock_tool\obj-ia32\WS2_32.dll
E: System error 2 : The system cannot find the file specified.
E: Failure to initialize DLL Z:\pin-2.14-71313\source\tools\sock_tool\obj-ia32\sock_tool.dll
E: See preceding message to find out the reason

Could you please explain me what I'm doing wrong?
With the previous versions of PIN this pintool works Ok.
When I remove the line "void *p = WSAStartup;" from the source and rebuild the pintool works Ok with pin-2.14-71313 too.

Any help would be greatly appreciated.
Thanks in advance,
Pavel

OS: Windows 7
compiler: Visual Studio 2010

It seems that you have

Bernard — Tue, 24 Mar 2015 16:56:40 GMT

It seems that you have aproblem with path related to winsock dll location,

Can you create test project which uses Ws2tcpip.h?

I have also seen that call to WSAStartup returns void pointer, but in documentation return type is address of WSADATA structure which is passed as a function parameter. Maybe this is the reason for the failure.

https://msdn.microsoft.com/en-us/library/windows/desktop/ms742213%28v=vs.85%29.aspx

Hi Guys,

MarkC_Intel — Tue, 24 Mar 2015 16:59:59 GMT

Hi Guys,

Pin support stuff is handled on the pinheads yahoo group:

https://groups.yahoo.com/neo/groups/pinheads/info

It is monitored by the pin developers and many users.

Quote:iliyapolak wrote:

Pavel_R_ — Tue, 24 Mar 2015 17:20:13 GMT

iliyapolak wrote:

It seems that you have aproblem with path related to winsock dll location,

No problem with path - the same pintool built with the previous version of PIN works Ok

iliyapolak wrote:

Can you create test project which uses Ws2tcpip.h?

I have also seen that call to WSAStartup returns void pointer, but in documentation return type is address of WSADATA structure which is passed as a function parameter. Maybe this is the reason for the failure.

WSAStartup is not called there, I just assigned its address to a void pointer to have a reference to w2_3.dll

You may try to run pintools

Bernard — Tue, 24 Mar 2015 19:08:16 GMT

You may try to run pintools under windbg with loader snaps enabled. You may get more comprehensive error description.

http://blogs.msdn.com/b/junfeng/archive/2006/11/20/debugging-loadlibrary-failures.aspx

Pavel_R_ — Tue, 24 Mar 2015 19:24:37 GMT

Thank you, I'll try. In any case this is a useful link for me

Btw, you can put breakpoint

Bernard — Wed, 25 Mar 2015 08:36:17 GMT

Btw, you can put breakpoint on address assignment to void pointer and observe in windbg if address of WSAStartup was resolved properly.

Hi Mark,

Pavel_R_ — Wed, 25 Mar 2015 10:20:29 GMT

Hi Mark,

Mark Charney (Intel) wrote:

Pin support stuff is handled on the pinheads yahoo group:

https://groups.yahoo.com/neo/groups/pinheads/info

It is monitored by the pin developers and many users.

I've asked them before but have no answer. Strange, because this looks like a bug in PIN toolkit, as for me.