https://sourceware.org/bugzilla/show_bug.cgi?id=32443
--- Comment #8 from H.J. Lu <hjl.tools at gmail dot com> ---
(In reply to H.J. Lu from comment #7)
> (In reply to Stephen Kell from comment #5)
> > > When compiler sees a hidden undefined symbol, it assumes that
> > > it is defined somewhere else and it isn't an ABS symbol. As
> > > the result, you won't get 0x2a.
> >
> > I see. In what way does the "not an ABS symbol" assumption affect the
> > compiler output?
>
> Compiler generates
>
> leaq value(%rip), %rax
>
> for hidden symbol reference without GOT and you won't get 0x2a
> at run-time.
[hjl@gnu-tgl-3 pr32443]$ cat pie.c
#include <stdio.h>
#include <stdint.h>
extern int value __attribute__ ((visibility("hidden")));
void
lib_func (void)
{
printf ("value: %p\n", &value);
}
int
main(void)
{
lib_func();
return 0;
}
[hjl@gnu-tgl-3 pr32443]$ gcc -pie -g -Wl,-R,. -Wl,--defsym,value=42 -o pie
pie.o
[hjl@gnu-tgl-3 pr32443]$ ./pie
value: 0x556f3cbdb02a
[hjl@gnu-tgl-3 pr32443]$
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