PATCH: A testcase (Re: PATCH: A strang symbol versioning problem)

["H. J. Lu" <hjl at lucon dot org>]

On Sat, Aug 10, 2002 at 11:58:11PM -0700, H. J. Lu wrote:
> On Sat, Aug 10, 2002 at 03:06:10PM -0700, H. J. Lu wrote:
> > 
> > Here is a small testcase
> > 
> > # make
> > gcc  -B./ -g -fPIC   -c -o foo.o foo.c
> > gcc: file path prefix `./' never used
> > gcc  -B./ -g -fPIC   -c -o new.o new.c
> > gcc: file path prefix `./' never used
> > gcc  -B./ -Wl,--version-script=bar.map  -shared -o libnew.so new.o
> > gcc: file path prefix `./' never used
> > gcc  -B./ -shared -o libfoo.so -Wl,-rpath,. foo.o libnew.so
> > gcc: file path prefix `./' never used
> > gcc  -B./ -g -fPIC   -c -o old.o old.c
> > gcc: file path prefix `./' never used
> > gcc  -B./ -Wl,--version-script=bar.map  -shared -o libold.so old.o
> > gcc: file path prefix `./' never used
> > gcc  -B./ -o main -Wl,-rpath,. main.c libfoo.so libold.so new.o
> > ./libnew.so(*IND*+0x0): multiple definition of `bar@VERS.0'
> > libold.so(.text+0x12c): first defined here
> > collect2: ld returned 1 exit status
> > gcc: file path prefix `./' never used
> > make: *** [main] Error 1
> > 
> > I will see what I can do.
> 
> The problem is the section pointer got changed across the call to
> elf_merge_symbol. If the first call changes the section pointer to
> undefined due to override, the next call to elf_merge_symbol will
> be confused. I am enclosing a patch here. Do we expect/want the
> section pointer gets changed after elf_add_default_symbol? Any
> comments?
> 
> 

Here is the patch to add a testcase. I will take another look at my
patch to make sure it is correct.


H.J.
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Attachment: ld-version-add.patch
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