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Re: "Re: libbfd, libtool & Win32" and "Re: Building a MinGW GLib etc..."

From: David Olofson
Subject: Re: "Re: libbfd, libtool & Win32" and "Re: Building a MinGW GLib etc..."
Date: Tue, 17 Sep 2002 15:24:40 +0200

On Tuesday 17 September 2002 13:01, Max Bowsher wrote:
> $ echo '__declspec(dllexport) void foo () {}' > foo.c
> $ gcc -shared foo.c -o foo.dll
> $ objdump -p foo.dll | fgrep -A 5 Characteristics

It worked on my 2.95.2 collector's item cross compiler... Oh, and the 
export table does indeed show the foo() function as well.

(BTW, the native objdump works just as fine as the one that belongs to 
the cross compiler. As expected, since it's based on libbfd, I suppose.)

Anyway, unless I'm missing something, we still need import libs to be 
generated for compilers that can't link DLLs directly. I've just looked 
at a few DLLs, but it seems to me that objdump -p <DLL> digs the required 
info out. Here's the interesting part of the output from SDL.dll, for 

[Ordinal/Name Pointer] Table
        [   0] SDL_AddTimer
        [   1] SDL_AllocRW
        [   2] SDL_AudioDriverName
        [   3] SDL_AudioInit
        [   4] SDL_AudioQuit
        [   5] SDL_BuildAudioCVT

Has anyone tried hacking a script to turn that into a .def file? Or 
should I, or someone else, just try to add a feature to objdump?

//David Olofson --- Programmer, Reologica Instruments AB

.- M A I A -------------------------------------------------.
|      Multimedia Application Integration Architecture      |
| A Free/Open Source Plugin API for Professional Multimedia |
`----------------------------> -'
.- David Olofson -------------------------------------------.
| Audio Hacker - Open Source Advocate - Singer - Songwriter |
`-------------------------------------> -'

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