[Bug ld/17827] New: PIE copy relocations are broken with pointers

[hjl.tools at gmail dot com]

https://sourceware.org/bugzilla/show_bug.cgi?id=17827

            Bug ID: 17827
           Summary: PIE copy relocations are broken with pointers
           Product: binutils
           Version: 2.25
            Status: NEW
          Severity: normal
          Priority: P2
         Component: ld
          Assignee: unassigned at sourceware dot org
          Reporter: hjl.tools at gmail dot com

On Linux/x86-64 with GCC 5:

address@hidden pr17689-2]$ cat x.c 
#if 0
#include <stdio.h>
extern char *program_invocation_name;
int
main ()
{
  printf ("%s\n", program_invocation_name);
  return 0;
}
#else
extern char *bar_alias;
extern void foo (char *);
char **ptr = &bar_alias;

int
main ()
{
  foo (bar_alias);
  foo (*ptr);
  return 0;
}
#endif

address@hidden pr17689-2]$ cat bar.c
#include <stdio.h>

char *bar = "PASS";
extern char *bar_alias __attribute__ ((weak, alias ("bar")));

void
foo (char *x)
{
  printf ("%s\n", x);
}
address@hidden pr17689-2]$ make
gcc -pie -o x x.o libbar.so -Wl,-rpath,.
/usr/local/bin/ld: x.o(.data.rel+0x0): reloc against `bar_alias': error 4
/usr/local/bin/ld: final link failed: Nonrepresentable section on output
collect2: error: ld returned 1 exit status
make: *** [x] Error 1
address@hidden pr17689-2]$

-- 
You are receiving this mail because:
You are on the CC list for the bug.