On Friday 01 November 2002 12:19, Lionel Ulmer wrote:
> > Yes, to my eye it looks like a linking problem but I'm not sure how to
> > tell. Maybe if I whittle it down to a single .c file which I can post to
> > the list it'll make it easier to diagnose.
>
> Well, the easier would be that, yes. Basically, just create the DDraw
> interface (as done in createDirectDrawObject) and call 'CreateSurface' on
> it. That should be enough to reproduce the problem (now that I think of it,
> I could do it myself, but well, I have no experience about creating Winelib
> apps :-) ).
Have managed to break my wine build after a cvs update (seem to immediately
branch to zero running my program!), so still working on this.
> Another thing helpful would be a disassembly of the 'setUpWindowedSurfaces'
> method (this would show what code is generated for the
> 'mp_directDraw->CreateSurface' call and thus understand why it choose the
> wrong method).
Okay, if it'll help you although my knowledge of x86 calling conventions and
post-286 instructions etc. (last x86 I wrote was in a BIOS five years ago) is
pretty hopeless :-)
00002fac <setUpWindowedSurfaces__17tDirectDrawScreen>:
2fac: 55 push %ebp
2fad: 89 e5 mov %esp,%ebp
2faf: 81 ec 8c 00 00 00 sub $0x8c,%esp
2fb5: 57 push %edi
2fb6: 56 push %esi
2fb7: 53 push %ebx
2fb8: 8b 7d 08 mov 0x8(%ebp),%edi
2fbb: 83 c4 fc add $0xfffffffc,%esp
2fbe: 6a 6c push $0x6c
2fc0: 6a 00 push $0x0
2fc2: 8d 5d 94 lea 0xffffff94(%ebp),%ebx
2fc5: 53 push %ebx
2fc6: e8 fc ff ff ff call 2fc7
<setUpWindowedSurfaces__17tDirectDrawScreen+0x1b>
2fcb: c7 45 94 6c 00 00 00 movl $0x6c,0xffffff94(%ebp)
2fd2: c7 45 98 01 00 00 00 movl $0x1,0xffffff98(%ebp)
2fd9: c7 45 fc 00 02 00 00 movl $0x200,0xfffffffc(%ebp)
2fe0: 8b 57 08 mov 0x8(%edi),%edx
2fe3: 8b 0a mov (%edx),%ecx
2fe5: 6a 00 push $0x0
2fe7: 8d 47 10 lea 0x10(%edi),%eax
2fea: 50 push %eax
2feb: 53 push %ebx
2fec: 52 push %edx
2fed: 8b 41 20 mov 0x20(%ecx),%eax
2ff0: ff d0 call *%eax
2ff2: 89 c6 mov %eax,%esi
2ff4: 83 c4 10 add $0x10,%esp
2ff7: 8d 45 80 lea 0xffffff80(%ebp),%eax
2ffa: 83 c4 fc add $0xfffffffc,%esp
2ffd: 50 push %eax
2ffe: 68 00 02 00 00 push $0x200
3003: 8d 5d 84 lea 0xffffff84(%ebp),%ebx
3006: 53 push %ebx
3007: e8 fc ff ff ff call 3008
<setUpWindowedSurfaces__17tDirectDrawScreen+0x5c>
300c: 83 c4 fc add $0xfffffffc,%esp
300f: 53 push %ebx
3010: 56 push %esi
3011: 57 push %edi
3012: e8 fc ff ff ff call 3013
<setUpWindowedSurfaces__17tDirectDrawScreen+0x67>
3017: 83 c4 20 add $0x20,%esp
301a: eb 09 jmp 3025
<setUpWindowedSurfaces__17tDirectDrawScreen+0x79>
301c: 8d 74 26 00 lea 0x0(%esi,1),%esi
3020: e8 fc ff ff ff call 3021
<setUpWindowedSurfaces__17tDirectDrawScreen+0x75>
3025: 83 c4 f4 add $0xfffffff4,%esp
3028: 57 push %edi
3029: e8 fc ff ff ff call 302a
<setUpWindowedSurfaces__17tDirectDrawScreen+0x7e>
302e: 83 c4 f4 add $0xfffffff4,%esp
3031: 57 push %edi
3032: e8 fc ff ff ff call 3033
<setUpWindowedSurfaces__17tDirectDrawScreen+0x87>
3037: 83 c4 20 add $0x20,%esp
303a: 83 c4 f4 add $0xfffffff4,%esp
303d: 57 push %edi
303e: e8 fc ff ff ff call 303f
<setUpWindowedSurfaces__17tDirectDrawScreen+0x93>
3043: eb 02 jmp 3047
<setUpWindowedSurfaces__17tDirectDrawScreen+0x9b>
3045: eb d9 jmp 3020
<setUpWindowedSurfaces__17tDirectDrawScreen+0x74>
3047: 8d a5 68 ff ff ff lea 0xffffff68(%ebp),%esp
304d: 5b pop %ebx
304e: 5e pop %esi
304f: 5f pop %edi
3050: c9 leave
3051: c3 ret
3052: 89 f6 mov %esi,%esi
--
Matthew Bloch Bytemark Computer Consulting Limited
http://www.bytemark.co.uk/
tel. +44 (0) 8707 455026
