Re: i686-w64-mingw32-gcc -fstack-protector-strong

[Marco Atzeri <marco.atzeri@gmail.com>]

On 08/09/2017 20:53, Lee wrote:
> On 9/8/17, Marco Atzeri   wrote:
>> On 08/09/2017 16:14, Lee wrote:
>>> I'm hoping that I'm just missing a library, but which one?  Even
>>> better, how to tell which one?
>>>
>>> $ i686-w64-mingw32-gcc -o div.exe div.c
>>> $ ./div
>>>     works
>>>
>>> $ i686-w64-mingw32-gcc -fstack-protector-strong -o div.exe div.c
>>> $ ./div
>>> C:/cygwin/home/Lee/t/div.exe: error while loading shared libraries: ?:
>>> cannot open shared object file: No such file or directory
>>>
>>> $ ldd div.exe
>>>           ntdll.dll => /cygdrive/c/WINDOWS/SYSTEM32/ntdll.dll
>>> (0x7ffef5c50000)
>>>           ??? => ??? (0x778f0000)
>>>           wow64.dll => /cygdrive/c/WINDOWS/System32/wow64.dll (0x50e50000)
>>>           wow64win.dll => /cygdrive/c/WINDOWS/System32/wow64win.dll
>>> (0x50dd0000)
>>>
>>
>> try
>>     cygcheck ./div.exe
> 
> nothing useful for a non-cygwin program?
> $ cygcheck ./div.exe
> C:\cygwin\home\Lee\t\div.exe

cygcheck works also for not cygwin program
( cygcheck --help for details)

cd /cygdrive/c/windows/system32

  $ cygcheck ./net.exe
C:\windows\system32\net.exe
   C:\windows\system32\ADVAPI32.dll
     C:\windows\system32\msvcrt.dll
       C:\windows\system32\KERNELBASE.dll
         C:\windows\system32\ntdll.dll
[long cut]
   C:\windows\system32\samcli.dll
   C:\windows\system32\srvcli.dll
   C:\windows\system32\wkscli.dll
   C:\windows\system32\MPR.dll
   C:\windows\system32\IPHLPAPI.DLL
     C:\windows\system32\NSI.dll
     C:\windows\system32\WINNSI.DLL

You can also use

  $ objdump -x ./net.exe |grep -i "dll name"
         DLL Name: ADVAPI32.dll
         DLL Name: KERNEL32.dll
         DLL Name: msvcrt.dll
         DLL Name: ntdll.dll
         DLL Name: netutils.dll
         DLL Name: browcli.dll
         DLL Name: samcli.dll
         DLL Name: srvcli.dll
         DLL Name: wkscli.dll
         DLL Name: MPR.dll
         DLL Name: IPHLPAPI.DLL


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