On Fri, Nov 23, 2012 at 9:13 AM, Ian Lynagh <ig...@earth.li> wrote:
>
> Hi all,
>
> I'm trying to use __HrLoadAllImportsForDll with delay loading DLLs, but
> I have not been able to make it work. I wonder if anyone could help me
> please?
Are you still having issues?
> It seems that gcc makes an empty "Delay Import Directory" entry in the
> data directory, so __HrLoadAllImportsForDll just fails with 8007007e
> (The specified module could not be found).
>
> Is there a way of convincing gcc to make this section? Is this a bug?
> (I have "gcc.exe (rubenvb-4.6.3) 4.6.3").
>
>
>
> Here's a way to reproduce the problem:
>
> $ cat dll.c
>
> int f(int x) {
> return x + 3;
> }
>
> int g(int x) {
> return x + 4;
> }
>
> $ gcc -c dll.c
> $ cat delaydll.def
>
> LIBRARY "dll.dll"
>
> EXPORTS
> f
> g
>
> $ dlltool -d delaydll.def -y delaydll.lib dll.o
> $ gcc dll.o -o dll.dll -shared
> $ cat test.c
>
> #include <stdio.h>
> #include <Windows.h>
>
> int f(int x);
> int g(int x);
>
> int main(int argc, char **argv) {
> unsigned int i;
> i = __HrLoadAllImportsForDll("dll.dll");
> if (FAILED(i)) {
> printf("Delayed load failed %x\n", i);
> exit(1);
> }
> printf("Result: %d\n", f(5));
> printf("Result: %d\n", g(6));
> return 0;
> }
>
> $ gcc test.c delaydll.lib -o test
> $ ./test
> Delayed load failed 8007007e
> $ objdump -p test.exe
> [...]
> The Data Directory
> Entry 0 0000000000000000 00000000 Export Directory [.edata (or where ever we
> found it)]
> Entry 1 0000000000009000 00000938 Import Directory [parts of .idata]
> Entry 2 0000000000000000 00000000 Resource Directory [.rsrc]
> Entry 3 0000000000006000 00000240 Exception Directory [.pdata]
> Entry 4 0000000000000000 00000000 Security Directory
> Entry 5 0000000000000000 00000000 Base Relocation Directory [.reloc]
> Entry 6 0000000000000000 00000000 Debug Directory
> Entry 7 0000000000000000 00000000 Description Directory
> Entry 8 0000000000000000 00000000 Special Directory
> Entry 9 000000000000b000 00000028 Thread Storage Directory [.tls]
> Entry a 0000000000000000 00000000 Load Configuration Directory
> Entry b 0000000000000000 00000000 Bound Import Directory
> Entry c 000000000000924c 00000210 Import Address Table Directory
> Entry d 0000000000000000 00000000 Delay Import Directory
> Entry e 0000000000000000 00000000 CLR Runtime Header
> Entry f 0000000000000000 00000000 Reserved
> [...]
>
>
>
> Thanks
> Ian
>
>
> ------------------------------------------------------------------------------
> Monitor your physical, virtual and cloud infrastructure from a single
> web console. Get in-depth insight into apps, servers, databases, vmware,
> SAP, cloud infrastructure, etc. Download 30-day Free Trial.
> Pricing starts from $795 for 25 servers or applications!
> http://p.sf.net/sfu/zoho_dev2dev_nov
> _______________________________________________
> Mingw-w64-public mailing list
> Mingw-w64-public@lists.sourceforge.net
> https://lists.sourceforge.net/lists/listinfo/mingw-w64-public
------------------------------------------------------------------------------
Keep yourself connected to Go Parallel:
TUNE You got it built. Now make it sing. Tune shows you how.
http://goparallel.sourceforge.net
_______________________________________________
Mingw-w64-public mailing list
Mingw-w64-public@lists.sourceforge.net
https://lists.sourceforge.net/lists/listinfo/mingw-w64-public
