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Re: __attribute__((constructor)), shared object files and C++...

On Wed, May 07, 2003 at 10:31:20AM -0700, Muthukumar Ratty wrote:
> 
> Hi Daniel,
> 
> I have one more question about this for the C example
> 
> I did ...
> 
> 	ld -shared -soname libtest.so.1 -o libtest.so.1.0 -lc libtest.o
> 
> and looked into the generated ELF file for this case and found that it
> lacks .init and .fini sections which has the constructors and destructors.
> So I tried the following
> 
>     gcc -shared -Wl,-soname -Wl,libtest.so.1 -o libtest.so.1.0 -lc libtest.o
> 
> and I see the .init and .fini sections and the executable calls the
> constructors and destructors correctly.
> 
> So ld doesnt recognize __attribute__ key word? Any idea how to make it
> work? (looking at the ld manual, i got the idea that it may be possible using
> __CTORS_LIST__ etc. in the linker script? Is that right?
> 

They come from crti.o/crtn.o added by gcc/g++.


H.J.
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