[Bug ld/13880] New: -Bsymbolic fails to handle protected function pointer

[hjl.tools at gmail dot com]

http://sourceware.org/bugzilla/show_bug.cgi?id=13880

             Bug #: 13880
           Summary: -Bsymbolic fails to handle protected function pointer
           Product: binutils
           Version: unspecified
            Status: NEW
          Severity: normal
          Priority: P2
         Component: ld
        AssignedTo: address@hidden
        ReportedBy: address@hidden
    Classification: Unclassified


address@hidden protected-1]$ cat shared.c 
typedef int (*protected_t) (void);

int protected (void) __attribute__ ((visibility ("protected")));

int
protected ()
{
  return 20;
}

protected_t
protected_p ()
{
  return protected;
}
address@hidden protected-1]$ cat main.c 
#include <stdio.h>

typedef int (*protected_t) (void);

int protected (void);
extern protected_t protected_p (void);

void
foo (protected_t f)
{
  printf ("%p\n", f);
  printf ("%d\n", f ());
}

int main()
{
  protected_t f = protected_p ();
  foo (f);
  foo (protected);

  return 0;
}
address@hidden protected-1]$ make
gcc -B./  -O -c main.c
gcc -B./  -O -fPIC -mcmodel=large -c shared.c
./ld -shared -Bsymbolic -o libfoo.so shared.o
./ld: shared.o: relocation R_X86_64_GOTOFF64 against protected function
`protected' can not be used when making a shared object
./ld: final link failed: Bad value
make: *** [libfoo.so] Error 1
address@hidden protected-1]$

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