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Subject: [Bug dynamic-link/15030] do_lookup_x returns undefined symbol entry
Date: Thu, 07 Feb 2013 18:57:00 -0000
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http://sourceware.org/bugzilla/show_bug.cgi?id=15030

H.J. Lu <hjl.tools at gmail dot com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|REOPENED                    |NEW

--- Comment #6 from H.J. Lu <hjl.tools at gmail dot com> 2013-02-07 18:57:06 UTC ---
[hjl@gnu-6 pr15030]$ cat m.c
#include <stdio.h>

extern __thread char bar[];
extern char size_of_bar asm ("bar@SIZE");
extern void set_bar (int, int);

int
main ()
{
  set_bar (1, 20);
  if (10 == (long) &size_of_bar && bar[1] == 20)
    printf ("OK\n");
  else
    printf ("BAD\n");

  return 0;
}
[hjl@gnu-6 pr15030]$ cat b.c
__thread char bar[10];

void
set_bar (int i, int v)
{
  bar[i] = v;
}
[hjl@gnu-6 pr15030]$ make
gcc -B./ -g -O2   -c -o m.o m.c
gcc -B./ -g -O2 -fPIC   -c -o b.o b.c
gcc -B./ -shared -o b.so b.o
gcc -B./ -o x m.o b.so -Wl,-R,. -Wl,--hash-style=gnu
gcc -B./ -o x1 m.o b.so -Wl,-R,. -Wl,--hash-style=sysv
./x1
BAD
./x
OK
[hjl@gnu-6 pr15030]$

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